/* roulang page: index */
:root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14,42,36,0.04);
            --shadow-sm: 0 2px 8px rgba(14,42,36,0.05);
            --shadow-md: 0 6px 20px rgba(14,42,36,0.08);
            --shadow-lg: 0 8px 24px rgba(14,42,36,0.12);
            --shadow-xl: 0 16px 48px rgba(14,42,36,0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--color-emerald);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== Promo Bar ========== */
        .promo-bar {
            background: var(--color-primary);
            color: rgba(201, 162, 75, 0.92);
            font-size: 0.875rem;
            line-height: 1.5;
            padding: 8px 0;
            position: relative;
            z-index: 1001;
            min-height: 36px;
            display: flex;
            align-items: center;
        }

        .promo-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 100%;
            padding-right: 40px;
        }

        .promo-bar-text {
            font-weight: 500;
            letter-spacing: 0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .promo-bar .promo-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(201, 162, 75, 0.7);
            font-size: 1.1rem;
            transition: color var(--transition-fast);
            border-radius: 50%;
        }

        .promo-bar .promo-close:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-emerald);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 14px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 6px 12px;
            gap: 6px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.12);
        }

        .nav-search input {
            background: transparent;
            font-size: 0.85rem;
            color: var(--color-text);
            width: 120px;
            border: none;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .nav-search .search-icon {
            color: var(--color-text-light);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .nav-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text-mid);
            font-size: 1rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-icon:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.925rem;
            line-height: 1.4;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-secondary:hover {
            border-color: var(--color-emerald);
            color: var(--color-emerald);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }

        .btn-outline-light:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 12px 28px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 0.85rem;
            border-radius: 6px;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            font-size: 1.3rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .hamburger:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* Mobile Drawer */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 42, 36, 0.5);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-base), visibility var(--transition-base);
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 1101;
            box-shadow: var(--shadow-xl);
            transition: right var(--transition-slow);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            padding: 24px 20px;
        }

        .drawer.open {
            right: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }

        .drawer-header .logo {
            font-size: 1.25rem;
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            font-size: 1.1rem;
            color: var(--color-text-mid);
            transition: all var(--transition-fast);
        }

        .drawer-close:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .drawer-nav a {
            padding: 12px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .drawer-nav a:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .drawer-nav a.active {
            background: rgba(14, 42, 36, 0.05);
            color: var(--color-primary);
            font-weight: 600;
        }

        .drawer-nav a.active::after {
            content: '→';
            font-size: 0.9rem;
            color: var(--color-accent);
        }

        .drawer-actions {
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .drawer-actions .nav-search {
            width: 100%;
            border-radius: var(--radius-sm);
        }

        .drawer-actions .nav-search input {
            width: 100%;
        }

        .drawer-actions .btn {
            width: 100%;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background: var(--color-primary);
            min-height: 640px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 80px 0;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/b860e02e45008c69.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 42, 36, 0.92) 0%, rgba(14, 42, 36, 0.72) 50%, rgba(14, 42, 36, 0.55) 100%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 28px;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 162, 75, 0.15);
            border: 1px solid rgba(201, 162, 75, 0.4);
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--color-accent);
            border-bottom: 3px solid rgba(201, 162, 75, 0.5);
            padding-bottom: 2px;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.82);
            max-width: 720px;
            margin: 0 auto;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-top: 8px;
        }

        .play-btn {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            transition: all var(--transition-base);
            flex-shrink: 0;
            cursor: pointer;
            position: relative;
        }

        .play-btn::before {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(201, 162, 75, 0.3);
            animation: pulse-ring 2.2s ease-in-out infinite;
        }

        @keyframes pulse-ring {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.12); opacity: 0.5; }
            100% { transform: scale(1); opacity: 1; }
        }

        .play-btn:hover {
            background: rgba(201, 162, 75, 0.25);
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: scale(1.05);
        }

        .hero-scroll-hint {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            color: rgba(255, 255, 255, 0.55);
            font-size: 1.5rem;
            animation: bounce-down 2s ease-in-out infinite;
            cursor: pointer;
        }

        @keyframes bounce-down {
            0%, 100% { transform: translate(-50%, 0); }
            50% { transform: translate(-50%, 8px); }
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding-md) 0;
            position: relative;
        }

        .section-white {
            background: #fff;
        }

        .section-bg {
            background: var(--color-bg);
        }

        .section-dark {
            background: var(--color-primary);
            color: #fff;
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-emerald);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-dark .section-tag {
            color: var(--color-accent);
        }

        .section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 600;
            line-height: 1.3;
            color: inherit;
            letter-spacing: 0.01em;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-mid);
            margin-top: 12px;
            line-height: 1.8;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Metrics Section ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .metric-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .metric-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .metric-number .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-light);
            margin-left: 4px;
            letter-spacing: 0;
        }

        .metric-label {
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-mid);
        }

        .metric-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--color-emerald);
            font-weight: 500;
        }

        .metric-trend.down {
            color: #C05A4A;
        }

        /* ========== Feature / Matrix ========== */
        .matrix-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr 1fr;
            grid-auto-rows: auto;
            gap: 16px;
        }

        .matrix-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-height: 160px;
        }

        .matrix-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .matrix-card.large {
            grid-row: span 2;
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .matrix-card.large:hover {
            border-color: var(--color-accent);
        }

        .matrix-card .matrix-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(31, 107, 82, 0.1);
            color: var(--color-emerald);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .matrix-card.large .matrix-icon {
            background: rgba(201, 162, 75, 0.2);
            color: var(--color-accent);
        }

        .matrix-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: inherit;
            line-height: 1.4;
        }

        .matrix-card p {
            font-size: 0.925rem;
            color: var(--color-text-mid);
            line-height: 1.75;
        }

        .matrix-card.large p {
            color: rgba(255, 255, 255, 0.7);
        }

        .matrix-card .card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-emerald);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .matrix-card.large .card-link {
            color: var(--color-accent);
        }

        /* ========== Split Layout: News Feed + Hot List ========== */
        .split-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .news-feed {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-feed-item {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .news-feed-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .news-feed-item img {
            width: 120px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-feed-item .feed-content {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .news-feed-item .feed-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            transition: color var(--transition-fast);
        }

        .news-feed-item:hover .feed-title {
            color: var(--color-emerald);
        }

        .news-feed-item .feed-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            font-family: var(--font-mono);
        }

        .news-feed-item .feed-summary {
            font-size: 0.85rem;
            color: var(--color-text-mid);
            line-height: 1.6;
        }

        .hot-list {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .hot-list h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-list ol {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hot-list ol li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
            font-size: 0.9rem;
        }

        .hot-list ol li:hover {
            background: var(--color-bg);
        }

        .hot-list .hot-rank {
            font-family: var(--font-mono);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-accent);
            width: 28px;
            text-align: center;
            flex-shrink: 0;
        }

        .hot-list .hot-rank.top3 {
            color: var(--color-emerald);
        }

        .hot-list .hot-text {
            flex: 1;
            color: var(--color-text);
            font-weight: 500;
            line-height: 1.4;
        }

        .hot-list .hot-tag {
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 10px;
            background: rgba(31, 107, 82, 0.1);
            color: var(--color-emerald);
            font-weight: 500;
            white-space: nowrap;
        }

        /* ========== Topic Strip ========== */
        .topic-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .topic-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 24px;
            background: #fff;
            border: 1px solid var(--color-border);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-mid);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .topic-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            background: rgba(201, 162, 75, 0.05);
            transform: translateY(-1px);
        }

        .topic-chip .chip-num {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
        }

        /* ========== Latest Updates ========== */
        .updates-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .update-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .update-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .update-card .update-date {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--color-text-light);
            letter-spacing: 0.04em;
        }

        .update-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
        }

        .update-card p {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.7;
        }

        .update-card .update-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-emerald);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Comparison Table ========== */
        .comparison-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            min-width: 680px;
            border-collapse: collapse;
            font-size: 0.925rem;
        }

        .comparison-table thead {
            background: var(--color-primary);
            color: #fff;
        }

        .comparison-table th {
            padding: 16px 20px;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .comparison-table th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-mid);
            line-height: 1.6;
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr:hover {
            background: rgba(201, 162, 75, 0.04);
        }

        .comparison-table td:first-child {
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }

        /* ========== Timeline ========== */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--color-accent);
            z-index: 1;
        }

        .timeline-item .tl-year {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.04em;
        }

        .timeline-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 4px 0 6px;
        }

        .timeline-item p {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.7;
        }

        /* ========== Media Cooperation ========== */
        .coop-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .coop-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .coop-badge:hover {
            border-color: rgba(201, 162, 75, 0.6);
            color: var(--color-accent);
            background: rgba(201, 162, 75, 0.08);
        }

        .coop-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* ========== Trust / Security ========== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .trust-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .trust-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .trust-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto;
            border-radius: 12px;
            background: rgba(31, 107, 82, 0.1);
            color: var(--color-emerald);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }

        .trust-item h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
        }

        .trust-item p {
            font-size: 0.85rem;
            color: var(--color-text-mid);
            line-height: 1.6;
        }

        /* ========== Quick Answers ========== */
        .quick-answers {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .quick-answer-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-fast);
        }

        .quick-answer-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .quick-answer-item .qa-num {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
        }

        .quick-answer-item h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 6px 0 8px;
        }

        .quick-answer-item p {
            font-size: 0.85rem;
            color: var(--color-text-mid);
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-emerald);
        }

        .faq-num {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .faq-question-text {
            flex: 1;
            line-height: 1.5;
        }

        .faq-arrow {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 0.9rem;
            transition: transform var(--transition-base);
            border-radius: 50%;
            background: var(--color-bg);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(90deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.8;
            padding-top: 4px;
            border-top: 1px solid var(--color-border);
        }

        /* ========== Brand Intro ========== */
        .brand-intro {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
        }

        .brand-intro h2 {
            font-size: 1.8rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .brand-intro p {
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.9;
            font-size: 1rem;
            margin-bottom: 12px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        .brand-intro .brand-highlight {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== Testimonials ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-xs);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-mark {
            font-size: 2rem;
            line-height: 1;
            color: var(--color-accent);
            font-family: Georgia, serif;
        }

        .testimonial-card blockquote {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.75;
            font-style: normal;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
        }

        .testimonial-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 600;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-info {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ========== Scenarios ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 220px;
            background: var(--color-primary);
            border: none;
            transition: all var(--transition-base);
        }

        .scenario-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            transition: opacity var(--transition-base);
        }

        .scenario-card:hover img {
            opacity: 0.25;
        }

        .scenario-card .scenario-content {
            position: absolute;
            inset: 0;
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            gap: 8px;
            z-index: 1;
            background: linear-gradient(to top, rgba(14,42,36,0.85) 0%, rgba(14,42,36,0.3) 60%, transparent 100%);
        }

        .scenario-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
        }

        .scenario-card p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
        }

        .scenario-card .scenario-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== CTA / Subscription ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(201, 162, 75, 0.06);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            max-width: 640px;
        }

        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.15);
        }

        .form-success {
            display: none;
            margin-top: 16px;
            font-size: 0.9rem;
            color: var(--color-accent);
            font-weight: 500;
        }

        .form-success.show {
            display: block;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 32px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-subscribe {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-subscribe p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Back to Top ========== */
        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-fast);
            z-index: 900;
            opacity: 0;
            visibility: hidden;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--color-emerald);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 0.875rem;
            }
            .nav-search input {
                width: 90px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-answers {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-actions .nav-search {
                display: none;
            }
            .nav-actions .nav-icon.hide-mobile {
                display: none;
            }
            .hero {
                min-height: 520px;
                padding: 60px 0;
            }
            .section {
                padding: var(--section-padding-sm) 0;
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .matrix-card.large {
                grid-column: span 2;
                grid-row: span 1;
            }
            .split-grid {
                grid-template-columns: 1fr;
            }
            .updates-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .promo-bar-text {
                font-size: 0.75rem;
                letter-spacing: 0;
            }
            .site-header .container {
                min-height: 60px;
                gap: 8px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .hero {
                min-height: 460px;
                padding: 48px 0;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 280px;
            }
            .play-btn {
                width: 56px;
                height: 56px;
                font-size: 1.3rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 18px 16px;
            }
            .metric-number {
                font-size: 1.6rem;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .matrix-card.large {
                grid-column: span 1;
            }
            .matrix-card {
                padding: 20px;
                min-height: auto;
            }
            .split-grid {
                gap: 20px;
            }
            .news-feed-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-feed-item img {
                width: 100%;
                height: 160px;
                border-radius: var(--radius-sm);
            }
            .updates-grid {
                gap: 12px;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .trust-item {
                padding: 18px 14px;
            }
            .quick-answers {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .brand-intro {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .brand-intro h2 {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links {
                justify-content: center;
            }
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 0.9rem;
            }
            .drawer {
                width: 270px;
                right: -270px;
            }
        }

        @media (max-width: 520px) {
            .metric-number {
                font-size: 1.3rem;
            }
            .metric-label {
                font-size: 0.8rem;
            }
            .hero h1 {
                font-size: 1.45rem;
            }
            .section h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14, 42, 36, 0.04);
            --shadow-sm: 0 2px 8px rgba(14, 42, 36, 0.05);
            --shadow-md: 0 6px 20px rgba(14, 42, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(14, 42, 36, 0.12);
            --shadow-xl: 0 16px 48px rgba(14, 42, 36, 0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--color-emerald);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 600;
            color: var(--color-text);
        }

        p {
            margin: 0;
        }

        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Promotion Bar ========== */
        .promo-bar {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            line-height: 1;
            min-height: 36px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1001;
        }

        .promo-bar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            min-height: 36px;
        }

        .promo-bar-text {
            letter-spacing: 0.02em;
            font-weight: 400;
        }

        .promo-bar-close {
            color: var(--color-accent);
            font-size: 1rem;
            line-height: 1;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background-color var(--transition-fast);
            flex-shrink: 0;
        }

        .promo-bar-close:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-emerald);
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.15);
        }

        .nav-search input {
            font-size: 0.85rem;
            color: var(--color-text);
            width: 120px;
            background: transparent;
            letter-spacing: 0.01em;
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .nav-search-icon {
            color: var(--color-text-light);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .nav-icon-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text-mid);
            font-size: 1.1rem;
            transition: background-color var(--transition-fast), color var(--transition-fast);
            position: relative;
        }

        .nav-icon-btn:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .nav-icon-badge {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 16px;
            height: 16px;
            background: var(--color-accent);
            border-radius: 50%;
            font-size: 0.65rem;
            font-family: var(--font-mono);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            line-height: 1.2;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1C1C1C;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #1C1C1C;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-xs);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 0.8rem;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 12px 28px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: var(--color-bg);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            box-shadow: var(--shadow-xl);
            z-index: 1100;
            transition: right var(--transition-slow);
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 20px;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .mobile-drawer-close {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 1.3rem;
            color: var(--color-text-mid);
            transition: background-color var(--transition-fast);
        }

        .mobile-drawer-close:hover {
            background: var(--color-bg);
        }

        .mobile-drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer-nav a {
            padding: 12px 14px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-drawer-nav a:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .mobile-drawer-nav a.active {
            background: rgba(14, 42, 36, 0.05);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 1050;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-mid);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-emerald);
        }

        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ========== Page Banner ========== */
        .page-banner {
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(201, 162, 75, 0.08);
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(31, 107, 82, 0.06);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .page-banner-content {
            flex: 1;
            min-width: 280px;
        }

        .page-banner-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-emerald);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(31, 107, 82, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
        }

        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }

        .page-banner h1 .highlight {
            color: var(--color-accent);
        }

        .page-banner-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-mid);
            line-height: 1.7;
            max-width: 620px;
        }

        .page-banner-stats {
            display: flex;
            gap: 24px;
            flex-shrink: 0;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
        }

        .page-banner-stat {
            text-align: center;
            min-width: 80px;
        }

        .page-banner-stat-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            display: block;
        }

        .page-banner-stat-label {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== Category Intro ========== */
        .category-intro-section {
            padding: 0 0 40px;
        }

        .category-intro {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-xs);
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }

        .category-intro-icon {
            width: 44px;
            height: 44px;
            background: rgba(201, 162, 75, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .category-intro-text {
            font-size: 0.95rem;
            color: var(--color-text-mid);
            line-height: 1.8;
        }

        .category-intro-text strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Card Grid / Article List ========== */
        .articles-section {
            padding: 24px 0 56px;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            position: relative;
            padding-left: 16px;
        }

        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-header-link {
            font-size: 0.85rem;
            color: var(--color-emerald);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }

        .section-header-link:hover {
            color: var(--color-emerald-light);
        }

        .article-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }

        .article-card-img-wrap {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #EDEBE7;
        }

        .article-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: opacity var(--transition-base);
        }

        .article-card:hover .article-card-img-wrap img {
            opacity: 0.92;
        }

        .article-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(14, 42, 36, 0.85);
            color: var(--color-accent);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
        }

        .article-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }

        .article-card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.45;
            transition: color var(--transition-fast);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-title a:hover {
            color: var(--color-emerald);
        }

        .article-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-mid);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--color-text-light);
            padding-top: 8px;
            border-top: 1px solid var(--color-border);
        }

        .article-card-date {
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }

        .article-card-read {
            margin-left: auto;
            color: var(--color-emerald);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 3px;
            transition: color var(--transition-fast);
        }

        .article-card-read:hover {
            color: var(--color-emerald-light);
        }

        /* ========== Stats Strip ========== */
        .stats-strip-section {
            padding: 32px 0;
            background: var(--color-primary);
            border-radius: 0;
        }

        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 16px 12px;
            border-radius: var(--radius-md);
            transition: background-color var(--transition-fast);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .stat-item-value {
            font-family: var(--font-mono);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
            letter-spacing: -0.01em;
        }

        .stat-item-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ========== Featured Section ========== */
        .featured-section {
            padding: 56px 0 48px;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }

        .featured-main {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .featured-main:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
        }

        .featured-main-img {
            aspect-ratio: 21/9;
            overflow: hidden;
            background: #EDEBE7;
        }

        .featured-main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-main-body {
            padding: 22px 26px 26px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .featured-main-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--color-emerald);
            background: rgba(31, 107, 82, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            align-self: flex-start;
        }

        .featured-main-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.45;
        }

        .featured-main-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.8;
            flex: 1;
        }

        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .featured-side-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            cursor: pointer;
        }

        .featured-side-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border-hover);
        }

        .featured-side-num {
            font-family: var(--font-mono);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: rgba(201, 162, 75, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .featured-side-info h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 3px;
            line-height: 1.4;
        }

        .featured-side-info p {
            font-size: 0.78rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ========== Related Links ========== */
        .related-section {
            padding: 32px 0 48px;
        }

        .related-link-list {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }

        .related-link-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-fast);
        }

        .related-link-item:last-child {
            border-bottom: none;
        }

        .related-link-item:hover {
            background: var(--color-bg);
        }

        .related-link-dot {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .related-link-text {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            flex: 1;
            transition: color var(--transition-fast);
        }

        .related-link-item:hover .related-link-text {
            color: var(--color-emerald);
        }

        .related-link-arrow {
            color: var(--color-text-light);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
        }

        .related-link-item:hover .related-link-arrow {
            transform: translateX(4px);
            color: var(--color-emerald);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 56px 0 80px;
        }

        .cta-box {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(201, 162, 75, 0.1);
            pointer-events: none;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(31, 107, 82, 0.15);
            pointer-events: none;
        }

        .cta-box-content {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }

        .cta-box-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .cta-box-content p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-box-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-box-form input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 11px 16px;
            font-size: 0.9rem;
            color: #fff;
            width: 240px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .cta-box-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-box-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.15);
            outline: none;
        }

        .cta-box-form .btn-primary {
            padding: 11px 28px;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        /* ========== Bottom Anchor ========== */
        .bottom-anchor {
            padding: 16px 0 48px;
            text-align: center;
        }

        .bottom-anchor-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--color-text-mid);
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 30px;
            border: 1px solid var(--color-border);
            background: #fff;
            transition: all var(--transition-fast);
        }

        .bottom-anchor-link:hover {
            color: var(--color-primary);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-subscribe p {
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .footer-subscribe .btn {
            font-size: 0.8rem;
            padding: 8px 18px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            font-size: 0.78rem;
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .main-nav a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .article-card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 991px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 7px 8px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 80px;
            }
            .article-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .page-banner-inner {
                flex-direction: column;
                gap: 20px;
            }
            .page-banner-stats {
                width: 100%;
                justify-content: space-around;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .promo-bar .container {
                font-size: 0.72rem;
                gap: 6px;
            }
            .main-nav {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-icon-btn {
                display: none;
            }
            .nav-actions .btn {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: flex;
            }
            .site-header .container {
                min-height: 60px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.72rem;
            }
            .page-banner {
                padding: 36px 0 28px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner-subtitle {
                font-size: 0.92rem;
            }
            .article-card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item-value {
                font-size: 1.5rem;
            }
            .featured-main-body {
                padding: 16px 18px 18px;
            }
            .featured-main-title {
                font-size: 1.05rem;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .cta-box-form {
                width: 100%;
            }
            .cta-box-form input {
                width: 100%;
            }
            .cta-box-form .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding-bottom: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
                gap: 6px;
            }
            .category-intro {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }
            .related-link-item {
                padding: 13px 16px;
                gap: 10px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 1.45rem;
            }
            .page-banner-stats {
                gap: 12px;
                padding: 14px 10px;
                flex-wrap: wrap;
            }
            .page-banner-stat-value {
                font-size: 1.3rem;
            }
            .article-card-body {
                padding: 14px 16px 16px;
            }
            .article-card-title {
                font-size: 0.95rem;
            }
            .featured-main-img {
                aspect-ratio: 16/9;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item-value {
                font-size: 1.3rem;
            }
            .cta-box {
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-box-content h2 {
                font-size: 1.2rem;
            }
            .promo-bar-text {
                font-size: 0.68rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14, 42, 36, 0.04);
            --shadow-sm: 0 2px 8px rgba(14, 42, 36, 0.05);
            --shadow-md: 0 6px 20px rgba(14, 42, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(14, 42, 36, 0.12);
            --shadow-xl: 0 16px 48px rgba(14, 42, 36, 0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--color-emerald);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Promo Bar ========== */
        .promo-bar {
            background: var(--color-primary);
            color: rgba(201, 162, 75, 0.92);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            height: 36px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1001;
            overflow: hidden;
        }

        .promo-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 36px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .promo-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            flex: 1;
            min-width: 0;
        }

        .promo-close {
            color: rgba(201, 162, 75, 0.7);
            font-size: 0.8rem;
            padding: 4px 8px;
            border-radius: 4px;
            flex-shrink: 0;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .promo-close:hover {
            color: var(--color-accent);
            background: rgba(201, 162, 75, 0.1);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-emerald);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 12px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 4px 12px;
            gap: 6px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.12);
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 0.85rem;
        }

        .nav-search input {
            background: none;
            border: none;
            outline: none;
            font-size: 0.85rem;
            color: var(--color-text);
            width: 120px;
            padding: 2px 0;
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .nav-icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-mid);
            font-size: 1rem;
            transition: background-color var(--transition-fast), color var(--transition-fast);
            position: relative;
        }

        .nav-icon-btn:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .nav-icon-btn .badge-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 1.5px solid #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1a1a1a;
            border-color: var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #1a1a1a;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(201, 162, 75, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-text);
            border-color: var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(14, 42, 36, 0.08);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.8rem;
        }

        .btn-lg {
            padding: 12px 28px;
            font-size: 1rem;
        }

        .navbar-toggler {
            border: none;
            padding: 8px;
            color: var(--color-primary);
            font-size: 1.3rem;
            display: none;
            background: none;
        }

        /* ========== Category Banner ========== */
        .category-banner {
            background: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(14, 42, 36, 0.96) 0%, rgba(21, 71, 59, 0.92) 60%, rgba(31, 107, 82, 0.88) 100%);
            padding: 56px 0 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .category-banner::after {
            content: '28';
            position: absolute;
            right: -20px;
            bottom: -40px;
            font-family: var(--font-mono);
            font-size: 16rem;
            font-weight: 700;
            color: rgba(201, 162, 75, 0.06);
            line-height: 1;
            pointer-events: none;
            user-select: none;
        }

        .category-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-banner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .breadcrumb-banner a {
            color: rgba(201, 162, 75, 0.9);
            transition: color var(--transition-fast);
        }

        .breadcrumb-banner a:hover {
            color: #fff;
        }

        .breadcrumb-banner .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb-banner .current {
            color: #fff;
            font-weight: 500;
        }

        .category-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .category-banner .banner-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== Sections ========== */
        .section {
            padding: var(--section-padding-md) 0;
        }

        .section-sm {
            padding: var(--section-padding-sm) 0;
        }

        .section-lg {
            padding: var(--section-padding-lg) 0;
        }

        .section-tight {
            padding: 40px 0;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-mid);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.75;
        }

        /* ========== Category Intro ========== */
        .category-intro {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 32px;
        }

        .category-intro p {
            font-size: 0.98rem;
            color: var(--color-text-mid);
            line-height: 1.85;
            margin-bottom: 0;
        }

        .category-intro strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Chart Area ========== */
        .chart-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px;
            margin-bottom: 32px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .chart-panel:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
        }

        .chart-panel .chart-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .chart-panel .chart-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0;
        }

        .chart-panel .chart-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--color-emerald);
            background: rgba(31, 107, 82, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }

        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 220px;
            padding-top: 16px;
            border-bottom: 2px solid var(--color-border);
        }

        .chart-bar-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            min-width: 0;
        }

        .chart-bar {
            width: 100%;
            max-width: 44px;
            background: var(--color-emerald);
            border-radius: 4px 4px 0 0;
            transition: background-color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
            min-height: 8px;
            cursor: pointer;
        }

        .chart-bar:hover {
            background: var(--color-accent);
            opacity: 0.9;
            transform: scaleY(1.02);
            transform-origin: bottom;
        }

        .chart-bar.high {
            background: var(--color-accent);
        }

        .chart-bar.medium {
            background: var(--color-emerald);
        }

        .chart-bar.low {
            background: rgba(31, 107, 82, 0.4);
        }

        .chart-bar-label {
            font-family: var(--font-mono);
            font-size: 0.7rem;
            color: var(--color-text-light);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .chart-legend {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--color-text-mid);
        }

        .chart-legend-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .chart-legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 3px;
            flex-shrink: 0;
        }

        .chart-legend-dot.high {
            background: var(--color-accent);
        }

        .chart-legend-dot.medium {
            background: var(--color-emerald);
        }

        .chart-legend-dot.low {
            background: rgba(31, 107, 82, 0.4);
        }

        /* ========== Trend Cards ========== */
        .trend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .trend-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .trend-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
            transform: translateY(-3px);
        }

        .trend-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg);
        }

        .trend-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .trend-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }

        .trend-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .trend-card .card-tag {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--color-emerald);
            background: rgba(31, 107, 82, 0.07);
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }

        .trend-card .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 0;
            letter-spacing: 0.01em;
        }

        .trend-card .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-mid);
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }

        .trend-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-light);
            padding-top: 10px;
            border-top: 1px solid var(--color-border);
        }

        .trend-card .card-date {
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }

        .trend-card .card-link {
            color: var(--color-emerald);
            font-weight: 500;
            font-size: 0.82rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }

        .trend-card .card-link:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }

        /* ========== Stats Strip ========== */
        .stats-strip {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow-md);
        }

        .stat-item {
            text-align: center;
            padding: 8px 4px;
        }

        .stat-item .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 600;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ========== Related Reading ========== */
        .related-reading {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }

        .related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .related-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
            flex-wrap: wrap;
        }

        .related-list li:last-child {
            border-bottom: none;
        }

        .related-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .related-link i {
            color: var(--color-emerald);
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .related-link:hover {
            color: var(--color-emerald);
        }

        .related-tag {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--color-text-light);
            background: var(--color-bg);
            padding: 3px 10px;
            border-radius: 20px;
            flex-shrink: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, #1a3d34 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 80% 20%, rgba(201, 162, 75, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.75;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-actions .btn-primary {
            background: var(--color-accent);
            color: #1a1a1a;
            border-color: var(--color-accent);
            padding: 12px 32px;
            font-size: 0.95rem;
        }

        .cta-actions .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(201, 162, 75, 0.4);
        }

        .cta-actions .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            padding: 12px 32px;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .cta-actions .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ========== Back to Top ========== */
        .back-anchor {
            display: flex;
            justify-content: center;
            gap: 16px;
            padding: 32px 0 16px;
            flex-wrap: wrap;
        }

        .back-anchor a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-mid);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            transition: all var(--transition-fast);
        }

        .back-anchor a:hover {
            color: var(--color-primary);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .site-footer .container {
            padding-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.75;
            max-width: 300px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-subscribe p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .footer-subscribe .btn-primary {
            background: var(--color-accent);
            color: #1a1a1a;
            font-size: 0.8rem;
            padding: 8px 16px;
        }

        .footer-subscribe .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 12px rgba(201, 162, 75, 0.3);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ========== Offcanvas ========== */
        .offcanvas {
            background: #fff;
        }

        .offcanvas-header {
            border-bottom: 1px solid var(--color-border);
            padding: 16px 20px;
        }

        .offcanvas-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
        }

        .offcanvas-body {
            padding: 16px 20px 24px;
        }

        .offcanvas-body .main-nav {
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
        }

        .offcanvas-body .main-nav a {
            width: 100%;
            padding: 10px 14px;
            font-size: 0.95rem;
        }

        .offcanvas-body .main-nav a.active::after {
            display: none;
        }

        .offcanvas-body .main-nav a.active {
            background: rgba(14, 42, 36, 0.06);
        }

        .offcanvas-cta {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            .main-nav a {
                padding: 8px 9px;
                font-size: 0.82rem;
            }

            .nav-search input {
                width: 80px;
            }

            .logo {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }

            .navbar-toggler {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-search {
                display: none;
            }

            .trend-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 22px 24px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding-lg: 64px;
                --section-padding-md: 52px;
                --section-padding-sm: 40px;
            }

            .promo-bar {
                font-size: 0.72rem;
                height: 32px;
            }

            .promo-bar .container {
                min-height: 32px;
                padding-top: 0;
                padding-bottom: 0;
            }

            .site-header .container {
                min-height: 56px;
                padding-top: 0;
                padding-bottom: 0;
                gap: 8px;
            }

            .logo {
                font-size: 1.15rem;
                gap: 6px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
                border-radius: 6px;
            }

            .category-banner {
                padding: 36px 0 32px;
            }

            .category-banner h1 {
                font-size: 1.6rem;
            }

            .category-banner .banner-subtitle {
                font-size: 0.88rem;
            }

            .trend-grid {
                grid-template-columns: 1fr;
            }

            .trend-card .card-body {
                padding: 16px 18px 18px;
            }

            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 18px 16px;
            }

            .stat-item .stat-value {
                font-size: 1.5rem;
            }

            .stat-item .stat-label {
                font-size: 0.75rem;
            }

            .chart-bars {
                height: 140px;
                gap: 4px;
            }

            .chart-bar {
                max-width: 26px;
            }

            .chart-bar-label {
                font-size: 0.62rem;
            }

            .chart-panel {
                padding: 20px 16px;
            }

            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline-light {
                padding: 10px 20px;
                font-size: 0.85rem;
                width: 100%;
                max-width: 280px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding-bottom: 24px;
            }

            .footer-brand p {
                max-width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 0.72rem;
                padding: 12px 0;
            }

            .footer-bottom .footer-links {
                flex-wrap: wrap;
            }

            .category-intro {
                padding: 20px 18px;
            }

            .related-reading {
                padding: 20px 18px;
            }

            .related-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .back-anchor {
                gap: 8px;
                flex-direction: column;
                align-items: center;
            }

            .back-anchor a {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-banner h1 {
                font-size: 1.4rem;
            }

            .stats-strip {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .stat-item {
                padding: 4px 0;
            }

            .chart-legend {
                gap: 12px;
                font-size: 0.72rem;
            }

            .trend-card .card-img-wrap {
                aspect-ratio: 16 / 9;
            }

            .section-title {
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14,42,36,0.04);
            --shadow-sm: 0 2px 8px rgba(14,42,36,0.05);
            --shadow-md: 0 6px 20px rgba(14,42,36,0.08);
            --shadow-lg: 0 8px 24px rgba(14,42,36,0.12);
            --shadow-xl: 0 16px 48px rgba(14,42,36,0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--color-emerald);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-emerald);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 14px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-mid);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

        .nav-icon:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: rgba(14, 42, 36, 0.04);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 0.925rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline {
            border-color: var(--color-border);
            background: transparent;
            color: var(--color-text);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(14, 42, 36, 0.03);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            background: #fff;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            transition: all var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-xs);
        }

        .search-box input {
            font-size: 0.875rem;
            color: var(--color-text);
            width: 120px;
            background: transparent;
        }

        .search-box input::placeholder {
            color: var(--color-text-light);
        }

        .search-box .search-icon {
            color: var(--color-text-light);
            font-size: 0.9rem;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-section {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-mid);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-mid);
        }

        .breadcrumb a:hover {
            color: var(--color-emerald);
        }

        .breadcrumb .separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Page Banner ========== */
        .page-banner {
            background: var(--color-primary);
            color: #fff;
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(201, 162, 75, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 200px;
            height: 200px;
            border: 1px solid rgba(201, 162, 75, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner h1 {
            font-size: 2.25rem;
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
            letter-spacing: 0.01em;
        }

        .page-banner .h1-accent {
            color: var(--color-accent);
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0;
            line-height: 1.8;
        }

        .page-banner .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 20px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .page-banner .banner-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ========== Category Intro ========== */
        .category-intro {
            padding: 40px 0 16px;
        }

        .category-intro .container {
            max-width: 860px;
        }

        .category-intro p {
            font-size: 1.05rem;
            color: var(--color-text-mid);
            line-height: 1.85;
            margin: 0;
        }

        .category-intro .intro-highlight {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== Insight Grid ========== */
        .insight-grid-section {
            padding: var(--section-padding-sm) 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0;
            letter-spacing: 0.01em;
        }

        .section-header .section-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-emerald);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .section-header .section-link:hover {
            color: var(--color-emerald-light);
        }

        .insight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        .insight-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .insight-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }

        .insight-card .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .insight-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .insight-card .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.02em;
        }

        .insight-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .insight-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .insight-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .insight-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .insight-card .card-footer .read-more {
            color: var(--color-emerald);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .insight-card .card-footer .read-more:hover {
            color: var(--color-emerald-light);
        }

        /* ========== Stats Strip ========== */
        .stats-strip {
            background: var(--color-primary);
            padding: 48px 0;
        }

        .stats-strip .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 16px;
        }

        .stat-item .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.3;
        }

        .stat-item .stat-label {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== Related Reading ========== */
        .related-reading {
            padding: var(--section-padding-sm) 0;
        }

        .related-reading .section-header h2 {
            font-size: 1.5rem;
        }

        .related-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 16px;
        }

        .related-list li {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition-fast);
        }

        .related-list li:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-sm);
        }

        .related-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-weight: 500;
            color: var(--color-primary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .related-list a:hover {
            color: var(--color-emerald);
        }

        .related-list .related-icon {
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: var(--section-padding-sm) 0 var(--section-padding-md);
        }

        .cta-box {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '28';
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            font-family: var(--font-mono);
            font-size: 10rem;
            font-weight: 700;
            color: rgba(201, 162, 75, 0.08);
            pointer-events: none;
            line-height: 1;
        }

        .cta-box .cta-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }

        .cta-box .cta-content h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }

        .cta-box .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .cta-box .cta-action {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-accent);
            margin: 0 0 8px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-subscribe p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin: 0 0 12px;
            line-height: 1.6;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== Back to top ========== */
        .back-to-top {
            text-align: center;
            padding: 16px 0 8px;
        }

        .back-to-top a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-mid);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .back-to-top a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: var(--color-card);
        }

        /* ========== Mobile Menu ========== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 42, 36, 0.7);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-menu.open {
            display: block;
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            background: #fff;
            padding: 24px;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-base);
        }

        .mobile-menu.open .mobile-menu-panel {
            transform: translateX(0);
        }

        .mobile-menu-panel .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .mobile-menu-panel .mobile-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text-mid);
            cursor: pointer;
        }

        .mobile-menu-panel .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu-panel .mobile-nav a {
            padding: 12px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
        }

        .mobile-menu-panel .mobile-nav a.active {
            background: rgba(14, 42, 36, 0.05);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-menu-panel .mobile-nav a:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .mobile-menu-panel .mobile-cta {
            margin-top: 20px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .search-box input {
                width: 90px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .insight-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .search-box {
                display: none;
            }
            .site-header .container {
                min-height: 60px;
            }
            .page-banner {
                padding: 48px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .insight-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .related-list {
                grid-template-columns: 1fr;
            }
            :root {
                --section-padding-lg: 64px;
                --section-padding-md: 56px;
                --section-padding-sm: 40px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.875rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .stats-strip .container {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-value {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14, 42, 36, 0.04);
            --shadow-sm: 0 2px 8px rgba(14, 42, 36, 0.05);
            --shadow-md: 0 6px 20px rgba(14, 42, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(14, 42, 36, 0.12);
            --shadow-xl: 0 16px 48px rgba(14, 42, 36, 0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--color-emerald);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .promo-bar {
            background: var(--color-primary);
            color: rgba(201, 162, 75, 0.95);
            font-size: 0.82rem;
            min-height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 6px 16px;
            letter-spacing: 0.02em;
            position: relative;
        }

        .promo-bar .promo-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            color: rgba(201, 162, 75, 0.8);
            font-size: 1rem;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .promo-bar .promo-close:hover {
            color: #fff;
            background: rgba(201, 162, 75, 0.2);
        }

        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--color-emerald);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 14px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 160px;
        }

        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--color-text);
            font-size: 0.85rem;
            width: 100%;
            font-family: var(--font-sans);
        }

        .nav-search input::placeholder {
            color: var(--color-text-light);
        }

        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(201, 162, 75, 0.15);
        }

        .nav-icon-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text-mid);
            font-size: 1rem;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .nav-icon-btn:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .nav-icon-btn .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
            font-family: var(--font-sans);
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background: rgba(14, 42, 36, 0.04);
            border-color: var(--color-emerald);
            color: var(--color-emerald);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .hamburger:hover {
            background: var(--color-bg);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
            transform-origin: center;
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            box-shadow: var(--shadow-xl);
            z-index: 2000;
            padding: 24px;
            transition: right var(--transition-slow);
            overflow-y: auto;
            flex-direction: column;
            gap: 16px;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .mobile-drawer .drawer-close {
            font-size: 1.4rem;
            color: var(--color-text-mid);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-drawer .drawer-close:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-drawer .drawer-nav a {
            padding: 12px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .mobile-drawer .drawer-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .mobile-drawer .drawer-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .mobile-drawer .drawer-cta {
            margin-top: 12px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(14, 42, 36, 0.4);
            z-index: 1999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        /* ========== 分类页横幅 ========== */
        .category-banner {
            background: var(--color-primary);
            color: #fff;
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/b860e02e45008c69.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            pointer-events: none;
        }

        .category-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .category-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: #fff;
        }

        .category-banner h1 .accent {
            color: var(--color-accent);
        }

        .category-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 分类说明区 ========== */
        .category-intro {
            padding: var(--section-padding-sm) 0 0;
            background: var(--color-bg);
        }

        .category-intro .container {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            flex-wrap: wrap;
        }

        .category-intro .intro-text {
            flex: 1;
            min-width: 280px;
        }

        .category-intro .intro-text h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 12px;
        }

        .category-intro .intro-text p {
            color: var(--color-text-mid);
            font-size: 1rem;
            line-height: 1.9;
            margin: 0;
        }

        .category-intro .intro-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
            flex-shrink: 0;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--color-border);
            color: var(--color-text-mid);
            transition: all var(--transition-fast);
        }

        .tag-chip:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            background: rgba(201, 162, 75, 0.06);
        }

        /* ========== 主体列表卡片 ========== */
        .tactic-list-section {
            padding: var(--section-padding-sm) 0;
            background: var(--color-bg);
        }

        .tactic-list-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tactic-list-section .section-header h2 {
            font-size: 1.65rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0;
        }

        .tactic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .tactic-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .tactic-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }

        .tactic-card .card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-bg);
        }

        .tactic-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .tactic-card .card-image .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }

        .tactic-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .tactic-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.5;
        }

        .tactic-card .card-body h3 a {
            color: inherit;
        }

        .tactic-card .card-body h3 a:hover {
            color: var(--color-emerald);
        }

        .tactic-card .card-body p {
            color: var(--color-text-mid);
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 0 0 16px;
            flex: 1;
        }

        .tactic-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
            flex-wrap: wrap;
        }

        .tactic-card .card-meta .meta-tag {
            font-size: 0.78rem;
            color: var(--color-emerald);
            font-weight: 500;
            background: rgba(31, 107, 82, 0.08);
            padding: 3px 10px;
            border-radius: 12px;
        }

        .tactic-card .card-meta .meta-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            font-family: var(--font-mono);
        }

        /* ========== 数据统计条 ========== */
        .stats-ribbon {
            padding: var(--section-padding-sm) 0;
            background: var(--color-primary);
            color: #fff;
        }

        .stats-ribbon .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 20px 12px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(201, 162, 75, 0.3);
        }

        .stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 400;
        }

        /* ========== 相关阅读 ========== */
        .related-reading {
            padding: var(--section-padding-sm) 0;
            background: var(--color-bg);
        }

        .related-reading .section-header h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0 0 24px;
        }

        .related-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .related-link-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 18px 20px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-link-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-hover);
            transform: translateY(-1px);
        }

        .related-link-card .rel-tag {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--color-emerald);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .related-link-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.6;
        }

        .related-link-card h3 a {
            color: inherit;
        }

        .related-link-card h3 a:hover {
            color: var(--color-emerald);
        }

        .related-link-card .rel-desc {
            font-size: 0.85rem;
            color: var(--color-text-mid);
            line-height: 1.7;
            margin: 0;
        }

        .related-link-card .rel-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            font-family: var(--font-mono);
        }

        /* ========== CTA 订阅区 ========== */
        .cta-section {
            padding: var(--section-padding-sm) 0;
            background: var(--color-bg);
        }

        .cta-box {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 162, 75, 0.08);
            pointer-events: none;
        }

        .cta-box .cta-text {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .cta-box .cta-text h2 {
            font-size: 1.6rem;
            font-weight: 600;
            margin: 0 0 10px;
            color: #fff;
        }

        .cta-box .cta-text p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
            position: relative;
            z-index: 1;
            min-width: 280px;
            max-width: 420px;
            width: 100%;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            transition: border-color var(--transition-fast), background var(--transition-fast);
            font-family: var(--font-sans);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
        }

        .cta-form .btn {
            flex-shrink: 0;
        }

        /* ========== 底部锚点 ========== */
        .bottom-anchors {
            padding: 32px 0 48px;
            background: var(--color-bg);
            text-align: center;
        }

        .bottom-anchors .anchor-links {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .bottom-anchors a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .bottom-anchors a:hover {
            color: var(--color-primary);
            border-color: var(--color-accent);
            background: rgba(201, 162, 75, 0.05);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 48px;
        }

        .site-footer .footer-brand h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-col ul a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .site-footer .footer-subscribe p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0 0 14px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
        }

        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .site-footer .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .nav-search {
                min-width: 120px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }

            .nav-search {
                min-width: 140px;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                display: flex;
            }

            .drawer-overlay {
                display: block;
            }

            .tactic-grid {
                grid-template-columns: 1fr;
            }

            .related-list {
                grid-template-columns: 1fr;
            }

            .stats-ribbon .container {
                grid-template-columns: repeat(2, 1fr);
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .category-banner {
                padding: 56px 0 48px;
            }

            .category-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 767px) {
            .promo-bar {
                font-size: 0.75rem;
                padding: 6px 32px 6px 12px;
                min-height: 32px;
            }

            .site-header .container {
                min-height: 60px;
                gap: 8px;
            }

            .logo {
                font-size: 1.25rem;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }

            .nav-search {
                display: none;
            }

            .nav-actions {
                gap: 6px;
            }

            .category-banner {
                padding: 48px 0 40px;
            }

            .category-banner h1 {
                font-size: 1.7rem;
            }

            .category-banner .banner-desc {
                font-size: 0.95rem;
            }

            .breadcrumb {
                font-size: 0.78rem;
                margin-bottom: 16px;
            }

            .tactic-list-section .section-header h2 {
                font-size: 1.35rem;
            }

            .stats-ribbon .container {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item .stat-number {
                font-size: 1.5rem;
            }

            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                align-items: stretch;
            }

            .cta-box .cta-text h2 {
                font-size: 1.35rem;
            }

            .cta-form {
                max-width: 100%;
                flex-direction: column;
            }

            .cta-form input {
                width: 100%;
            }

            .cta-form .btn {
                width: 100%;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer {
                padding-top: 48px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }

            .related-list {
                grid-template-columns: 1fr;
            }

            .bottom-anchors .anchor-links {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 519px) {
            .container {
                padding: 0 16px;
            }

            .tactic-card .card-body {
                padding: 16px 18px 18px;
            }

            .tactic-card .card-body h3 {
                font-size: 1.05rem;
            }

            .category-banner h1 {
                font-size: 1.45rem;
            }

            .category-intro .intro-text h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category5 */
/* ========== 设计系统变量（与首页对齐） ========== */
        :root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14, 42, 36, 0.04);
            --shadow-sm: 0 2px 8px rgba(14, 42, 36, 0.05);
            --shadow-md: 0 6px 20px rgba(14, 42, 36, 0.08);
            --shadow-lg: 0 8px 24px rgba(14, 42, 36, 0.12);
            --shadow-xl: 0 16px 48px rgba(14, 42, 36, 0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        /* ========== 基础重置与全局 ========== */
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover {
            color: var(--color-emerald);
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 促销条 ========== */
        .promo-bar {
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 0.85rem;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1001;
            letter-spacing: 0.02em;
            overflow: hidden;
        }
        .promo-bar .promo-content {
            display: flex;
            align-items: center;
            gap: 12px;
            white-space: nowrap;
            animation: promoScroll 28s linear infinite;
        }
        .promo-bar .promo-content span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding-right: 24px;
            border-right: 1px solid rgba(201, 162, 75, 0.3);
        }
        .promo-bar .promo-content span:last-child {
            border-right: none;
            padding-right: 0;
        }
        .promo-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(201, 162, 75, 0.7);
            font-size: 0.85rem;
            padding: 4px 8px;
            border-radius: 4px;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
        }
        .promo-close:hover {
            color: var(--color-accent);
            background: rgba(255, 255, 255, 0.08);
        }
        @keyframes promoScroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo:hover {
            color: var(--color-emerald);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            padding: 8px 14px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }
        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg);
            border-radius: 8px;
            padding: 6px 12px;
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(201, 162, 75, 0.12);
        }
        .nav-search input {
            flex: 1;
            font-size: 0.875rem;
            color: var(--color-text);
            background: transparent;
            border: none;
            outline: none;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--color-text-light);
        }
        .nav-search i {
            color: var(--color-text-light);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-mid);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
            font-size: 1.1rem;
        }
        .icon-btn:hover {
            color: var(--color-emerald);
            background: var(--color-bg);
            border-color: var(--color-border);
        }
        .icon-btn .badge-dot {
            position: absolute;
            top: 7px;
            right: 7px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.925rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            line-height: 1.4;
            position: relative;
            overflow: hidden;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-emerald);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }
        /* 汉堡按钮 */
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            border-color: var(--color-accent);
        }
        /* 移动端抽屉 */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(14, 42, 36, 0.45);
            z-index: 1099;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }
        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 1100;
            transition: right var(--transition-slow);
            padding: 20px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
        }
        .mobile-drawer.active {
            right: 0;
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-drawer-header .logo {
            font-size: 1.25rem;
        }
        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-mid);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }
        .drawer-close:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
        }
        .mobile-drawer .main-nav {
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
        }
        .mobile-drawer .main-nav a {
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
        }
        .mobile-drawer .nav-search {
            margin: 16px 0;
            min-width: 0;
        }
        .mobile-drawer .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* ========== Section 通用 ========== */
        .section {
            padding: var(--section-padding-md) 0;
            position: relative;
        }
        .section-sm {
            padding: var(--section-padding-sm) 0;
        }
        .section-lg {
            padding: var(--section-padding-lg) 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-mid);
            margin-bottom: 36px;
            max-width: 640px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrapper {
            background: var(--color-bg);
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-light);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--color-text-light);
            margin-left: 4px;
        }
        .breadcrumb a {
            color: var(--color-text-mid);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-emerald);
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ========== 分类页 H1 横幅 ========== */
        .category-hero {
            background: var(--color-primary);
            padding: 56px 0 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(14, 42, 36, 0.95) 0%, rgba(20, 71, 59, 0.9) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .category-hero .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.7;
        }
        .category-hero .hero-meta {
            display: flex;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .category-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .category-hero .hero-meta i {
            color: var(--color-accent);
        }

        /* ========== 倒计时环 ========== */
        .countdown-section {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-top: -32px;
            position: relative;
            z-index: 3;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid var(--color-border);
        }
        .countdown-ring-wrap {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .countdown-ring {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: conic-gradient(var(--color-accent) 0deg 240deg, var(--color-border) 240deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            flex-shrink: 0;
        }
        .countdown-ring::before {
            content: '';
            position: absolute;
            inset: 6px;
            border-radius: 50%;
            background: #fff;
        }
        .countdown-ring .ring-inner {
            font-family: var(--font-mono);
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-primary);
            position: relative;
            z-index: 1;
        }
        .countdown-text {
            flex: 1;
        }
        .countdown-text h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .countdown-text p {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            margin: 0;
        }
        .countdown-timer {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-left: auto;
            flex-shrink: 0;
        }
        .timer-item {
            text-align: center;
            min-width: 48px;
        }
        .timer-item .timer-num {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-bg);
            border-radius: var(--radius-sm);
            padding: 6px 8px;
            display: block;
            line-height: 1.2;
        }
        .timer-item .timer-label {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        /* ========== 分类说明区 ========== */
        .category-intro {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            color: var(--color-text);
            font-size: 1rem;
            line-height: 1.8;
            box-shadow: var(--shadow-sm);
        }
        .category-intro strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== 文章卡片列表 ========== */
        .news-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }
        .news-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-bg);
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.02);
        }
        .news-card-body {
            padding: 24px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--color-emerald);
            background: rgba(31, 107, 82, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            width: fit-content;
            font-weight: 500;
        }
        .news-card-tag .tag-dot {
            width: 6px;
            height: 6px;
            background: var(--color-emerald);
            border-radius: 50%;
        }
        .news-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card p {
            font-size: 0.9rem;
            color: var(--color-text-mid);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
            font-size: 0.8rem;
            color: var(--color-text-light);
        }
        .news-card-footer .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-footer .read-more {
            color: var(--color-emerald);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .news-card-footer .read-more:hover {
            color: var(--color-emerald-light);
            gap: 8px;
        }

        /* ========== 数据统计条 ========== */
        .stats-bar {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
        }
        .stats-bar .stat-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }
        .stats-bar .stat-num {
            font-family: var(--font-mono);
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--color-accent);
            display: block;
            line-height: 1.3;
        }
        .stats-bar .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== 相关阅读区 ========== */
        .related-section {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        .related-section .section-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
        }
        .related-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .related-list li {
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
        }
        .related-list li:last-child {
            border-bottom: none;
        }
        .related-list li:hover {
            padding-left: 8px;
        }
        .related-list .related-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(31, 107, 82, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-emerald);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .related-list a {
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
            flex: 1;
            transition: color var(--transition-fast);
        }
        .related-list a:hover {
            color: var(--color-emerald);
        }
        .related-list .related-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            font-family: var(--font-mono);
        }

        /* ========== CTA 订阅区 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '28';
            position: absolute;
            bottom: -30px;
            right: 20px;
            font-family: var(--font-mono);
            font-size: 8rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.04);
            pointer-events: none;
            line-height: 1;
        }
        .cta-section h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 480px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn {
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }

        /* ========== 底部锚点 ========== */
        .back-top {
            display: flex;
            justify-content: center;
            padding: 20px 0 40px;
        }
        .back-top a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-mid);
            padding: 10px 20px;
            border: 1px solid var(--color-border);
            border-radius: 50px;
            background: #fff;
            transition: all var(--transition-fast);
        }
        .back-top a:hover {
            color: var(--color-emerald);
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.7);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-subscribe p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 991px) {
            .section {
                padding: var(--section-padding-sm) 0;
            }
            .main-nav {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .icon-btn:first-child {
                display: none;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .countdown-section {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .countdown-timer {
                margin-left: 0;
                justify-content: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .stats-bar {
                padding: 20px;
                gap: 16px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .promo-bar {
                height: 32px;
                font-size: 0.75rem;
            }
            .site-header .container {
                min-height: 60px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
                border-radius: 6px;
            }
            .category-hero {
                padding: 36px 0 32px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .countdown-section {
                padding: 20px;
                margin-top: -24px;
                border-radius: var(--radius-md);
            }
            .countdown-ring {
                width: 60px;
                height: 60px;
            }
            .countdown-ring .ring-inner {
                font-size: 1rem;
            }
            .timer-item .timer-num {
                font-size: 1.2rem;
                padding: 4px 6px;
                min-width: 36px;
            }
            .category-intro {
                padding: 20px;
                font-size: 0.9rem;
            }
            .news-card-body {
                padding: 18px;
            }
            .news-card h3 {
                font-size: 1rem;
            }
            .stats-bar {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
                text-align: center;
            }
            .stats-bar .stat-item {
                width: 100%;
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 12px;
                padding: 8px 12px;
                background: rgba(255,255,255,0.06);
                border-radius: var(--radius-sm);
            }
            .stats-bar .stat-num {
                font-size: 1.4rem;
            }
            .related-section {
                padding: 20px;
            }
            .related-list li {
                flex-wrap: wrap;
                gap: 8px;
            }
            .cta-section {
                padding: 32px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section::after {
                font-size: 5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 32px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .countdown-timer {
                gap: 8px;
            }
            .timer-item {
                min-width: 40px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0E2A24;
            --color-primary-light: #15473B;
            --color-accent: #C9A24B;
            --color-accent-hover: #B38A3E;
            --color-emerald: #1F6B52;
            --color-emerald-light: #2A8567;
            --color-bg: #F5F3EF;
            --color-card: #FFFFFF;
            --color-text: #1C1C1C;
            --color-text-mid: #5C5C5C;
            --color-text-light: #8A8A8A;
            --color-border: #E5E2DD;
            --color-border-hover: #C9A24B;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(14,42,36,0.04);
            --shadow-sm: 0 2px 8px rgba(14,42,36,0.05);
            --shadow-md: 0 6px 20px rgba(14,42,36,0.08);
            --shadow-lg: 0 8px 24px rgba(14,42,36,0.12);
            --shadow-xl: 0 16px 48px rgba(14,42,36,0.16);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --container-max: 1200px;
            --section-padding-lg: 100px;
            --section-padding-md: 80px;
            --section-padding-sm: 56px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--color-emerald);
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Promo bar */
        .promo-bar {
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 0.825rem;
            padding: 8px 0;
            text-align: center;
            position: relative;
            z-index: 1001;
        }

        .promo-bar .promo-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

        .promo-bar .promo-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-accent);
            font-size: 1rem;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .promo-bar .promo-close:hover {
            color: #fff;
        }

        /* Header */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .header-inner {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 16px;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo:hover {
            color: var(--color-emerald);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 14px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-mid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(14, 42, 36, 0.05);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            width: 160px;
            padding: 8px 12px 8px 32px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 0.875rem;
            background: var(--color-bg);
            transition: width var(--transition-base), border-color var(--transition-base);
        }

        .search-box input:focus {
            width: 200px;
            border-color: var(--color-accent);
            background: #fff;
        }

        .search-box i {
            position: absolute;
            left: 10px;
            color: var(--color-text-light);
            font-size: 0.875rem;
        }

        .icon-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-text-mid);
            background: transparent;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .icon-btn:hover {
            background: var(--color-bg);
            color: var(--color-primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.925rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: 1px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }

        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: 80%;
            max-width: 320px;
            height: 100%;
            background: #fff;
            padding: 24px;
            transform: translateX(100%);
            transition: transform var(--transition-base);
            box-shadow: var(--shadow-xl);
            overflow-y: auto;
        }

        .mobile-menu.open .mobile-menu-panel {
            transform: translateX(0);
        }

        .mobile-menu-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }

        .mobile-menu-close button {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--color-text-mid);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: var(--color-bg);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-actions {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-actions .search-box {
            width: 100%;
        }

        .mobile-actions .search-box input {
            width: 100%;
            padding-left: 32px;
        }

        /* Main sections */
        main {
            flex: 1;
        }

        .page-hero {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/b860e02e45008c69.webp') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            color: #fff;
        }

        .page-hero p {
            font-size: 1.125rem;
            color: rgba(255,255,255,0.85);
            max-width: 700px;
        }

        .breadcrumb {
            padding: 16px 0;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-mid);
        }

        .breadcrumb a {
            color: var(--color-emerald);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--color-text-light);
        }

        .category-intro {
            padding: 40px 0;
            background: #fff;
        }

        .category-intro .container {
            max-width: 800px;
        }

        .category-intro p {
            font-size: 1rem;
            color: var(--color-text-mid);
            line-height: 1.8;
        }

        .topic-cards {
            padding: var(--section-padding-md) 0;
            background: var(--color-bg);
        }

        .topic-cards .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .topic-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }

        .topic-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .topic-card-body {
            padding: 20px;
        }

        .topic-card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-primary);
        }

        .topic-card-body p {
            font-size: 0.925rem;
            color: var(--color-text-mid);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .topic-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(31,107,82,0.1);
            color: var(--color-emerald);
            font-weight: 500;
            font-size: 0.75rem;
        }

        .faq-section {
            padding: var(--section-padding-md) 0;
            background: #fff;
        }

        .faq-section .container {
            max-width: 900px;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            padding: 8px 0;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-emerald);
        }

        .faq-question .faq-number {
            font-family: var(--font-mono);
            font-weight: 700;
            margin-right: 12px;
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            transition: transform var(--transition-base);
            font-size: 0.875rem;
            color: var(--color-text-mid);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base) ease, padding var(--transition-base) ease;
            padding: 0 0 0 32px;
            color: var(--color-text-mid);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 8px 0 0 32px;
        }

        .stats-bar {
            padding: 32px 0;
            background: var(--color-primary);
            color: #fff;
        }

        .stats-bar .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }

        .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
            margin-top: 4px;
        }

        .related-reading {
            padding: var(--section-padding-md) 0;
            background: var(--color-bg);
        }

        .related-reading .container {
            max-width: 900px;
        }

        .related-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .related-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--color-card);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            font-weight: 500;
            color: var(--color-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .related-list a:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-sm);
            color: var(--color-emerald);
        }

        .related-list i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .cta-section {
            padding: var(--section-padding-md) 0;
            background: var(--color-primary);
            color: #fff;
        }

        .cta-section .container {
            text-align: center;
            max-width: 700px;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
        }

        .cta-section .btn-primary {
            font-size: 1rem;
            padding: 12px 32px;
        }

        .back-top {
            padding: 24px 0;
            text-align: center;
            background: var(--color-bg);
        }

        .back-top a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text-mid);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .back-top a:hover {
            color: var(--color-primary);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.85);
            padding: 60px 0 32px;
            margin-top: auto;
        }

        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 0.925rem;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 1rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-subscribe p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.6);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        @media (max-width: 992px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding: 8px 0;
            }
            .nav-actions .search-box input {
                width: 120px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .promo-bar {
                font-size: 0.75rem;
                padding: 6px 0;
            }
            .promo-bar .promo-close {
                right: 8px;
                font-size: 0.9rem;
            }
            .site-header .container {
                min-height: 60px;
                padding: 0 16px;
            }
            .logo {
                font-size: 1.25rem;
            }
            .main-nav {
                display: none;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .search-box {
                display: none;
            }
            .nav-actions .icon-btn {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .page-hero {
                padding: 40px 0;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .breadcrumb {
                padding: 12px 0;
                font-size: 0.8rem;
            }
            .category-intro {
                padding: 24px 0;
            }
            .topic-cards .container {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 0.95rem;
            }
            .faq-answer {
                font-size: 0.9rem;
                padding-left: 16px;
            }
            .faq-item.open .faq-answer {
                padding-left: 16px;
            }
            .stats-bar .container {
                gap: 16px;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .back-top a {
                font-size: 0.875rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .btn-primary {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .cta-section .btn-primary {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}