/* roulang page: index */
:root {
            --primary: #1e4d3a;
            --primary-light: #2a6b52;
            --primary-dark: #14352a;
            --accent: #c8f04a;
            --accent-dark: #a8d635;
            --accent-soft: #f0f8d8;
            --bg: #f7f5f0;
            --surface: #ffffff;
            --text: #1a1a1a;
            --text-muted: #6b6b6b;
            --text-light: #9a9a9a;
            --border: #e8e4dc;
            --border-dark: #d5d0c6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 16px 48px rgba(0,0,0,0.08);
            --transition: 200ms ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'Roboto Mono', Menlo, Consolas, monospace;
            --header-height: 64px;
            --chip-height: 52px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.03);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1;
        }

        .brand-logo:hover {
            color: var(--primary-dark) !important;
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-btn,
        .menu-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: var(--surface);
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            font-size: 1rem;
        }

        .search-btn:hover,
        .menu-btn:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
        }

        .login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid var(--primary);
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .login-btn:hover {
            background: var(--primary);
            color: var(--surface);
        }

        .register-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: none;
            border-radius: 999px;
            background: var(--primary);
            color: var(--surface);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .register-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        /* Chip Navigation */
        .chip-nav-wrap {
            position: relative;
            background: var(--bg);
            border-top: 1px solid var(--border);
            height: var(--chip-height);
            display: flex;
            align-items: center;
        }

        .chip-nav-wrap::before,
        .chip-nav-wrap::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            width: 32px;
            z-index: 2;
            pointer-events: none;
        }

        .chip-nav-wrap::before {
            left: 0;
            background: linear-gradient(to right, var(--bg), transparent);
        }

        .chip-nav-wrap::after {
            right: 0;
            background: linear-gradient(to left, var(--bg), transparent);
        }

        .chip-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            scroll-behavior: smooth;
            -webkit-overflow-scrolling: touch;
            padding: 6px 32px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .chip-nav::-webkit-scrollbar {
            display: none;
        }

        .chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-muted);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1.2;
            user-select: none;
        }

        .chip:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .chip.active {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
            font-weight: 600;
        }

        .chip .chip-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 20px;
            height: 20px;
            padding: 0 6px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.7rem;
            font-weight: 700;
            border-radius: 999px;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            padding: var(--section-pad-desktop) 0 72px;
            background: var(--primary-dark);
            background-image: linear-gradient(150deg, var(--primary-dark) 0%, var(--primary) 55%, #1a4a38 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/8c8c8c496db9eb29.jpg') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            left: -10%;
            right: -10%;
            bottom: -2px;
            height: 120px;
            background: var(--bg);
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            color: var(--surface);
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(200, 240, 74, 0.15);
            border: 1px solid rgba(200, 240, 74, 0.35);
            border-radius: 999px;
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-tag .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--surface);
            letter-spacing: -0.01em;
        }

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

        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 240, 74, 0.35);
            color: var(--primary-dark);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: var(--surface);
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--surface);
            transform: translateY(-2px);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .vertical-card {
            width: 100%;
            max-width: 340px;
            background: var(--surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 24px 48px rgba(0,0,0,0.3);
            border: 1px solid rgba(255,255,255,0.1);
            transform: rotate(1deg);
            transition: transform var(--transition);
        }

        .vertical-card:hover {
            transform: rotate(0deg) translateY(-6px);
            box-shadow: 0 32px 64px rgba(0,0,0,0.35);
        }

        .vertical-card-img {
            height: 160px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            color: var(--surface);
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #e74c3c;
            color: #fff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .live-badge .dot {
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        .vertical-card-body {
            padding: 20px 24px 24px;
        }

        .match-info {
            text-align: center;
            margin-bottom: 16px;
        }

        .match-league {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .match-teams {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.4;
        }

        .match-score {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
        }

        .match-meta {
            display: flex;
            justify-content: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-pad-desktop) 0;
        }

        .section-alt {
            background: var(--surface);
        }

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

        .section-tight {
            padding: 48px 0;
        }

        .section-heading {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-heading h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .section-dark .section-heading h2 {
            color: var(--surface);
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--accent-soft);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .entry-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .entry-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .entry-card:hover .entry-icon {
            background: var(--primary);
            color: var(--accent);
        }

        .entry-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
        }

        .entry-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== LIVE UPDATES ========== */
        .live-updates-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .live-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }

        .live-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .live-card-header {
            padding: 12px 16px;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .live-card-body {
            padding: 16px;
        }

        .live-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .live-team {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
            flex: 1;
            text-align: center;
        }

        .live-score-display {
            font-size: 1.6rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .live-status {
            display: inline-block;
            font-size: 0.65rem;
            font-weight: 700;
            color: #e74c3c;
            background: #fef2f2;
            padding: 2px 8px;
            border-radius: 4px;
            letter-spacing: 0.04em;
        }

        .live-min {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
        }

        /* ========== FEATURE TRIO ========== */
        .feature-trio {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .feature-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
        }

        .feature-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            flex: 1;
        }

        .feature-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .feature-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ========== DATA DASHBOARD ========== */
        .data-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-stat {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .data-stat:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }

        .data-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .data-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            margin-top: 6px;
        }

        .data-change {
            font-size: 0.7rem;
            font-weight: 600;
            margin-top: 4px;
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .data-change.up {
            color: #2ecc71;
            background: rgba(46, 204, 113, 0.15);
        }

        .data-change.down {
            color: #e74c3c;
            background: rgba(231, 76, 60, 0.15);
        }

        /* ========== SELECT CATEGORY ========== */
        .category-feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 200px;
            cursor: pointer;
            transition: all var(--transition);
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--border);
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .cat-card-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 400ms ease;
        }

        .cat-card:hover .cat-card-bg {
            transform: scale(1.05);
        }

        .cat-card-overlay {
            position: relative;
            z-index: 1;
            padding: 20px;
            background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
            width: 100%;
            color: #fff;
        }

        .cat-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .cat-card-desc {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.75);
        }

        /* ========== HOT FIXTURES ========== */
        .fixtures-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-behavior: smooth;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-dark) transparent;
        }

        .fixtures-scroll::-webkit-scrollbar {
            height: 5px;
        }

        .fixtures-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .fixtures-scroll::-webkit-scrollbar-thumb {
            background: var(--border-dark);
            border-radius: 10px;
        }

        .fixture-card {
            flex-shrink: 0;
            width: 280px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .fixture-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .fixture-league {
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        .fixture-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .fixture-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
            margin-bottom: 8px;
        }

        .fixture-vs {
            color: var(--text-light);
            font-size: 0.75rem;
            font-weight: 500;
            flex-shrink: 0;
        }

        .fixture-meta {
            font-size: 0.7rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

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

        .news-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .news-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }

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

        .news-date {
            font-size: 0.75rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }

        .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 12px;
            transition: all var(--transition);
        }

        .news-readmore:hover {
            color: var(--primary-dark);
            gap: 9px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .brand-intro-img img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .brand-intro-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30,77,58,0.6) 0%, transparent 60%);
            pointer-events: none;
        }

        .brand-intro-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .brand-intro-text p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .brand-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .brand-tag {
            padding: 6px 14px;
            background: var(--accent-soft);
            color: var(--primary);
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ========== VERSION UPDATES ========== */
        .version-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .version-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .version-item:hover {
            padding-left: 8px;
        }

        .version-badge {
            flex-shrink: 0;
            width: 64px;
            padding: 6px 0;
            background: var(--accent-soft);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-size: 0.7rem;
            font-weight: 700;
            text-align: center;
            letter-spacing: 0.04em;
            align-self: flex-start;
        }

        .version-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .version-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            position: relative;
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .pricing-card.recommended {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--surface);
            box-shadow: var(--shadow-lg);
            transform: scale(1.02);
        }

        .pricing-card.recommended:hover {
            transform: scale(1.02) translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .pricing-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-price {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 4px;
            font-family: var(--font-mono);
        }

        .pricing-price .currency {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .pricing-price .period {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .pricing-card.recommended .pricing-price .period {
            color: rgba(255,255,255,0.6);
        }

        .pricing-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .pricing-card.recommended .pricing-desc {
            color: rgba(255,255,255,0.7);
        }

        .pricing-features {
            list-style: none;
            margin: 0 0 24px;
            padding: 0;
            flex: 1;
        }

        .pricing-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.85rem;
            padding: 6px 0;
            color: var(--text-muted);
        }

        .pricing-card.recommended .pricing-features li {
            color: rgba(255,255,255,0.8);
        }

        .pricing-features li i {
            color: var(--primary);
            font-size: 0.8rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .pricing-card.recommended .pricing-features li i {
            color: var(--accent);
        }

        .pricing-btn {
            display: block;
            width: 100%;
            padding: 12px 20px;
            border: 1.5px solid var(--primary);
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
        }

        .pricing-btn:hover {
            background: var(--primary);
            color: var(--surface);
            box-shadow: var(--shadow-sm);
        }

        .pricing-card.recommended .pricing-btn {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        .pricing-card.recommended .pricing-btn:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 24px rgba(200,240,74,0.35);
        }

        /* ========== REVIEWS ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .review-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition);
        }

        .review-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }

        .review-stars {
            color: #f4b400;
            font-size: 0.8rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 0.85rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .review-name {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text);
        }

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

        /* ========== APP MULTI ========== */
        .app-multi-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .app-multi-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
            color: var(--surface);
        }

        .app-multi-content p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255,255,255,0.7);
            margin-bottom: 24px;
        }

        .app-store-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .store-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-md);
            color: var(--surface);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
        }

        .store-btn:hover {
            background: rgba(255,255,255,0.2);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .store-btn i {
            font-size: 1.4rem;
        }

        .app-visual {
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        .app-screenshot {
            width: 180px;
            height: 320px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255,255,255,0.15);
        }

        .app-screenshot img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .app-screenshot:nth-child(2) {
            transform: translateY(24px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            transition: all var(--transition);
            font-family: var(--font-sans);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 350ms ease, padding 350ms ease;
            padding: 0 20px;
        }

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

        .faq-answer p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== CTA SUBSCRIBE ========== */
        .cta-subscribe {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: var(--surface);
            position: relative;
            overflow: hidden;
        }

        .cta-subscribe::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(200,240,74,0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-subscribe h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-subscribe p {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .subscribe-input {
            flex: 1;
            padding: 13px 20px;
            border: 1.5px solid rgba(255,255,255,0.3);
            border-radius: 999px;
            background: rgba(255,255,255,0.1);
            color: var(--surface);
            font-size: 0.9rem;
            font-family: var(--font-sans);
            transition: all var(--transition);
            outline: none;
        }

        .subscribe-input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.15);
            box-shadow: 0 0 0 3px rgba(200,240,74,0.2);
        }

        .subscribe-btn {
            flex-shrink: 0;
            padding: 13px 28px;
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
        }

        .subscribe-btn:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200,240,74,0.35);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .brand-logo {
            font-size: 1.4rem;
            color: var(--surface) !important;
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo:hover {
            color: var(--accent) !important;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            margin-bottom: 16px;
            max-width: 280px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: rgba(255,255,255,0.7);
            transition: all var(--transition);
            font-size: 0.9rem;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--surface);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .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: all var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            font-size: 0.8rem;
            transition: color var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-pad-desktop: 56px;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .entry-matrix {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .feature-trio {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

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

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

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

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

            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 40px;
                --header-height: 56px;
                --chip-height: 46px;
            }

            .container,
            .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-logo {
                font-size: 1.25rem;
            }

            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .login-btn,
            .register-btn {
                padding: 6px 12px;
                font-size: 0.75rem;
            }

            .search-btn,
            .menu-btn {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }

            .hero {
                padding: 40px 0 56px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-desc {
                font-size: 0.95rem;
                line-height: 1.7;
            }

            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }

            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
            }

            .vertical-card {
                max-width: 280px;
                margin: 0 auto;
            }

            .section-heading h2 {
                font-size: 1.5rem;
            }

            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .live-updates-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .feature-trio {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .data-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .data-number {
                font-size: 1.6rem;
            }

            .category-feature-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .brand-intro-img img {
                height: 240px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .pricing-card.recommended {
                transform: scale(1);
            }

            .pricing-card.recommended:hover {
                transform: translateY(-4px);
            }

            .app-multi-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .app-screenshot {
                width: 140px;
                height: 250px;
            }

            .cta-subscribe {
                padding: 32px 20px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-btn {
                width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .chip-nav-wrap::before,
            .chip-nav-wrap::after {
                width: 20px;
            }

            .chip-nav {
                padding: 6px 16px;
                gap: 6px;
            }

            .chip {
                padding: 6px 13px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad-desktop: 32px;
            }

            .hero h1 {
                font-size: 1.5rem;
            }

            .hero-desc {
                font-size: 0.875rem;
            }

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

            .entry-matrix {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .data-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .data-number {
                font-size: 1.3rem;
            }

            .data-label {
                font-size: 0.7rem;
            }

            .pricing-price {
                font-size: 1.8rem;
            }

            .fixture-card {
                width: 240px;
            }

            .app-visual {
                gap: 8px;
            }

            .app-screenshot {
                width: 120px;
                height: 210px;
            }

            .login-btn span,
            .register-btn span {
                display: none;
            }

            .login-btn,
            .register-btn {
                padding: 8px 10px;
                gap: 0;
            }
        }

        /* Reduced motion */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* Foundation overrides */
        .button {
            background: var(--primary);
            color: var(--surface);
            transition: all var(--transition);
        }

        .button:hover {
            background: var(--primary-dark);
        }

        a {
            text-decoration: none;
        }

        .cell {
            transition: all var(--transition);
        }

/* roulang page: category2 */
:root {
  --primary: #1e4d3a;
  --primary-light: #2a6b52;
  --primary-dark: #14352a;
  --accent: #c8f04a;
  --accent-dark: #a8d635;
  --accent-soft: #f0f8d8;
  --bg: #f7f5f0;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --text-light: #9a9a9a;
  --border: #e8e4dc;
  --border-dark: #d5d0c6;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 16px 48px rgba(0,0,0,0.08);
  --transition: 200ms ease;
  --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Roboto Mono', Menlo, Consolas, monospace;
  --header-height: 64px;
  --chip-height: 52px;
  --section-pad-desktop: 80px;
  --section-pad-mobile: 48px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover,
a:focus {
  color: var(--primary-dark);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-wide {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(0,0,0,0.03);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary) !important;
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1;
}

.brand-logo:hover {
  color: var(--primary-dark) !important;
}

.brand-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: var(--accent);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.brand-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-btn,
.menu-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1rem;
}

.search-btn:hover,
.menu-btn:hover {
  background: var(--primary);
  color: var(--surface);
  border-color: var(--primary);
}

.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid var(--primary);
  border-radius: 999px;
  background: transparent;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.login-btn:hover {
  background: var(--primary);
  color: var(--surface);
}

.register-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: var(--surface);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.register-btn:hover {
  background: var(--primary-light);
}

/* ========== CHIP NAV ========== */
.chip-nav-wrap {
  border-top: 1px solid var(--border);
  background: #faf9f6;
}

.chip-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  height: var(--chip-height);
  padding-top: 8px;
  padding-bottom: 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.chip-nav::-webkit-scrollbar {
  height: 4px;
}

.chip-nav::-webkit-scrollbar-thumb {
  background: var(--border-dark);
  border-radius: 999px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: pointer;
}

.chip:hover {
  background: var(--primary);
  color: var(--surface);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.chip.active {
  background: var(--primary);
  color: var(--accent);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(30,77,58,0.2);
}

/* ========== SECTION COMMON ========== */
.section {
  padding: var(--section-pad-desktop) 0;
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-dark {
  background: var(--primary-dark);
  color: #f5f5f0;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.text-accent {
  color: var(--accent-dark);
  font-weight: 700;
}

/* ========== BREADCRUMB ========== */
.breadcrumb-bar {
  background: #faf9f6;
  border-bottom: 1px solid var(--border);
  padding: 28px 0 20px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  list-style: none;
  margin: 0;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.breadcrumb li a:hover {
  color: var(--primary-dark);
}

.breadcrumb li.current {
  color: var(--text);
  font-weight: 700;
}

.breadcrumb-sep {
  color: var(--border-dark);
  font-size: 0.75rem;
}

.page-h1 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text);
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.page-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 0;
  max-width: 860px;
}

/* ========== CATEGORY INTRO ========== */
.intro-card {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.intro-text {
  flex: 1 1 320px;
}

.intro-text h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.intro-text p {
  color: var(--text-muted);
  margin-bottom: 0;
}

.intro-image {
  flex: 0 0 240px;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 160px;
}

/* ========== TAG CHIPS ========== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: default;
}

.tag-chip:hover {
  background: var(--accent-soft);
  border-color: var(--accent-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ========== ARTICLE LIST ========== */
.article-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

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

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
}

.article-card-img {
  height: 180px;
  overflow: hidden;
  background: #ece9e2;
}

.article-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.article-card:hover .article-card-img img {
  transform: scale(1.04);
}

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

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

.article-meta .cat-tag {
  background: var(--accent-soft);
  color: var(--primary-dark);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.article-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-excerpt {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.article-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  align-self: flex-start;
  transition: all var(--transition);
}

.article-card-btn i {
  font-size: 0.75rem;
  transition: transform var(--transition);
}

.article-card-btn:hover {
  color: var(--primary-dark);
}

.article-card-btn:hover i {
  transform: translateX(4px);
}

/* ========== DATA PANEL ========== */
.data-panel {
  background: var(--primary-dark);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  color: #f5f5f0;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 24px;
}

.data-item {
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.12);
  padding-right: 20px;
}

.data-item:last-child {
  border-right: none;
  padding-right: 0;
}

.data-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 6px;
}

.data-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.03em;
}

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

.topic-link-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.topic-link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-dark);
}

.topic-link-card .topic-icon {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.topic-link-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.topic-link-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ========== SUBSCRIBE CTA ========== */
.cta-subscribe {
  background: var(--primary);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  color: #fff;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  box-shadow: var(--shadow-lg);
}

.cta-text {
  flex: 1 1 320px;
}

.cta-text h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #fff;
}

.cta-text p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 0;
}

.cta-form {
  flex: 1 1 280px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.cta-form input {
  flex: 1;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition);
}

.cta-form input::placeholder {
  color: rgba(255,255,255,0.6);
}

.cta-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200,240,74,0.25);
}

.cta-form button {
  white-space: nowrap;
  padding: 12px 24px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
}

.cta-form button:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

/* ========== CATEGORY ENTRY ========== */
.category-entry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.category-entry-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.category-entry-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.category-entry-link .entry-icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.category-entry-link span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.category-entry-link.current {
  background: var(--primary);
  border-color: var(--primary);
  pointer-events: none;
}

.category-entry-link.current .entry-icon,
.category-entry-link.current span {
  color: var(--accent);
}

/* ========== VIEW MORE ========== */
.view-more-row {
  text-align: center;
  margin-top: 12px;
}

.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}

.view-more-btn:hover {
  background: var(--primary);
  color: var(--surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 56px 0 24px;
  margin-top: auto;
}

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

.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff !important;
  margin-bottom: 12px;
}

.footer-brand .brand-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: var(--primary-dark);
  border-radius: var(--radius-md);
  font-size: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-bottom: 16px;
  max-width: 340px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

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

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

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

.footer-col ul li a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

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

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .article-list {
    grid-template-columns: 1fr;
  }
  .data-panel {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .data-item {
    border-right: none;
    padding-right: 0;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    padding-bottom: 16px;
  }
  .data-item:nth-last-child(-n+2) {
    border-bottom: none;
    padding-bottom: 0;
  }
  .topic-grid {
    grid-template-columns: 1fr 1fr;
  }
  .category-entry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad-desktop: 48px;
    --header-height: 56px;
    --chip-height: 48px;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .brand-logo {
    font-size: 1.25rem;
  }
  .login-btn span,
  .register-btn span {
    display: none;
  }
  .login-btn,
  .register-btn {
    width: 40px;
    padding: 0;
    justify-content: center;
  }
  .section-title {
    font-size: 1.55rem;
  }
  .page-h1 {
    font-size: 1.4rem;
  }
  .article-card-img {
    height: 150px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .category-entry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-subscribe {
    padding: 28px 20px;
    flex-direction: column;
    align-items: stretch;
  }
  .cta-form {
    flex-direction: column;
  }
  .cta-form button {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  :root {
    --section-pad-desktop: 40px;
  }
  .data-panel {
    grid-template-columns: 1fr;
    padding: 24px 20px;
  }
  .data-num {
    font-size: 2rem;
  }
  .category-entry-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .intro-card {
    padding: 18px;
  }
  .intro-image {
    flex-basis: 100%;
    height: 140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category3 */
:root {
            --primary: #1e4d3a;
            --primary-light: #2a6b52;
            --primary-dark: #14352a;
            --accent: #c8f04a;
            --accent-dark: #a8d635;
            --accent-soft: #f0f8d8;
            --bg: #f7f5f0;
            --surface: #ffffff;
            --text: #1a1a1a;
            --text-muted: #6b6b6b;
            --text-light: #9a9a9a;
            --border: #e8e4dc;
            --border-dark: #d5d0c6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 16px 48px rgba(0,0,0,0.08);
            --transition: 200ms ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'Roboto Mono', Menlo, Consolas, monospace;
            --header-height: 64px;
            --chip-height: 52px;
            --section-pad-desktop: 56px;
            --section-pad-mobile: 40px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.03);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1;
        }

        .brand-logo:hover {
            color: var(--primary-dark) !important;
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-btn,
        .menu-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: var(--surface);
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            font-size: 1rem;
        }

        .search-btn:hover,
        .menu-btn:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
        }

        .login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid var(--primary);
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .login-btn:hover {
            background: var(--primary);
            color: var(--surface);
        }

        .register-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: none;
            border-radius: 999px;
            background: var(--primary);
            color: var(--surface);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        /* ========== CHIP NAV ========== */
        .chip-nav-wrap {
            background: #f0ede7;
            border-top: 1px solid var(--border);
            overflow: hidden;
            position: relative;
        }

        .chip-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            height: var(--chip-height);
            padding-top: 6px;
            padding-bottom: 6px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .chip-nav::-webkit-scrollbar {
            display: none;
        }

        .chip-nav .chip {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--surface);
            color: var(--text-muted);
            font-size: 0.875rem;
            font-weight: 600;
            border: 1px solid var(--border);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .chip-nav .chip:hover {
            background: var(--primary-light);
            color: #fff;
            border-color: var(--primary-light);
        }

        .chip-nav .chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(30,77,58,0.25);
        }

        .chip-nav .chip.active .fa-solid,
        .chip-nav .chip.active .fa-regular,
        .chip-nav .chip.active .fa-brands,
        .chip-nav .chip.active .fas,
        .chip-nav .chip.active .far,
        .chip-nav .chip.active .fab {
            color: var(--accent);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--text-light);
            font-size: 0.75rem;
        }

        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
            text-decoration: none;
            transition: color var(--transition);
        }

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

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

        /* ========== CATEGORY H1 SECTION ========== */
        .cat-hero {
            background: linear-gradient(135deg, #f9f8f5 0%, #eef2e8 50%, #e8efe0 100%);
            padding: 32px 0 28px;
            border-bottom: 1px solid var(--border);
        }

        .cat-hero .cat-title-wrap {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cat-hero .cat-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-md);
            font-size: 1.4rem;
        }

        .cat-hero h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin: 0;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .cat-hero .cat-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin: 8px 0 0;
            max-width: 720px;
            line-height: 1.7;
        }

        .cat-hero .cat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--surface);
            color: var(--text-muted);
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .cat-tag:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
        }

        /* ========== FEATURED VIDEO SECTION ========== */
        .featured-video-section {
            padding: var(--section-pad-desktop) 0;
            background: var(--surface);
        }

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

        .section-head h2 {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin: 0;
            line-height: 1.35;
        }

        .section-head .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 4px 0 0;
        }

        .featured-video-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--primary-dark);
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-lg);
        }

        .featured-video-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
        }

        .featured-video-card .featured-overlay {
            position: relative;
            z-index: 2;
            padding: 28px 32px;
            width: 100%;
            background: linear-gradient(to top, rgba(20,53,42,0.9) 0%, rgba(20,53,42,0.4) 60%, transparent 100%);
        }

        .featured-video-card .featured-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }

        .featured-video-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .featured-video-card p {
            color: rgba(255,255,255,0.85);
            font-size: 0.95rem;
            margin: 0 0 16px;
            max-width: 640px;
            line-height: 1.6;
        }

        .featured-video-card .featured-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.9rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(200,240,74,0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-color: #fff;
        }

        /* ========== VIDEO LIST SECTION ========== */
        .video-list-section {
            padding: var(--section-pad-desktop) 0;
            background: var(--bg);
        }

        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .video-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-dark);
        }

        .video-card .video-thumb {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-dark);
        }

        .video-card .video-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

        .video-card:hover .video-thumb img {
            transform: scale(1.04);
        }

        .video-card .video-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0,0,0,0.75);
            color: #fff;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .video-card .video-play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(200,240,74,0.9);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            opacity: 0;
            transition: all var(--transition);
        }

        .video-card:hover .video-play-icon {
            opacity: 1;
        }

        .video-card .video-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .video-card .video-category {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .video-card .video-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .video-card .video-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .video-card .video-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .video-card .video-meta .date {
            font-family: var(--font-mono);
        }

        /* ========== TAGS SECTION ========== */
        .tags-section {
            padding: 32px 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .tags-section h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 16px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--bg);
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }

        .tag-cloud .tag-pill:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            padding: 40px 0;
            background: var(--primary-dark);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all var(--transition);
        }

        .stat-item:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(200,240,74,0.4);
        }

        .stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

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

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--section-pad-desktop) 0;
            background: linear-gradient(135deg, #f9f8f5 0%, #eef2e8 60%, #e0ecda 100%);
        }

        .cta-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .cta-card .cta-text h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin: 0 0 6px;
        }

        .cta-card .cta-text p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            max-width: 520px;
            line-height: 1.6;
        }

        .cta-card .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .cta-card .cta-input {
            padding: 12px 18px;
            border-radius: 999px;
            border: 1px solid var(--border-dark);
            background: var(--bg);
            color: var(--text);
            font-size: 0.9rem;
            min-width: 240px;
            transition: all var(--transition);
            font-family: var(--font-sans);
        }

        .cta-card .cta-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30,77,58,0.12);
            outline: none;
            background: #fff;
        }

        .cta-card .btn-cta {
            padding: 12px 28px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .cta-card .btn-cta:hover {
            background: var(--primary-dark);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30,77,58,0.3);
        }

        /* ========== MORE LINKS ========== */
        .more-section {
            padding: 24px 0 40px;
            background: var(--bg);
            text-align: center;
        }

        .more-section .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.95rem;
            font-weight: 700;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .more-section .btn-more:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30,77,58,0.25);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #101812;
            color: rgba(255,255,255,0.75);
            padding: 48px 0 28px;
            margin-top: auto;
            border-top: 4px solid var(--primary);
        }

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

        .site-footer .footer-brand .brand-logo {
            color: #fff !important;
            margin-bottom: 12px;
            font-size: 1.3rem;
        }

        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            margin: 0 0 16px;
            max-width: 320px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 10px;
        }

        .site-footer .footer-social a {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
            transition: all var(--transition);
            text-decoration: none;
        }

        .site-footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

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

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

        .site-footer .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
            transition: color var(--transition);
            text-decoration: none;
        }

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

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

        .site-footer .footer-bottom a {
            color: rgba(255,255,255,0.5);
            transition: color var(--transition);
            text-decoration: none;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .video-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

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

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
                --chip-height: 46px;
                --section-pad-desktop: 40px;
                --section-pad-mobile: 32px;
            }

            .brand-logo {
                font-size: 1.25rem;
            }

            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }

            .login-btn,
            .register-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .search-btn,
            .menu-btn {
                width: 36px;
                height: 36px;
            }

            .video-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cat-hero h1 {
                font-size: 1.5rem;
            }

            .featured-video-card {
                min-height: 220px;
            }

            .featured-video-card .featured-overlay {
                padding: 20px 20px;
            }

            .featured-video-card h3 {
                font-size: 1.15rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item .stat-number {
                font-size: 1.6rem;
            }

            .cta-card {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-card .cta-input {
                min-width: 100%;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
        }

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

            .brand-actions .login-btn span,
            .brand-actions .register-btn span {
                display: none;
            }

            .brand-actions .login-btn,
            .brand-actions .register-btn {
                width: 36px;
                height: 36px;
                padding: 0;
                justify-content: center;
                border-radius: 50%;
            }

            .cat-hero {
                padding: 24px 0 20px;
            }

            .cat-hero h1 {
                font-size: 1.3rem;
            }

            .cat-hero .cat-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }

            .featured-video-card {
                min-height: 200px;
            }

            .featured-video-card .featured-overlay {
                padding: 16px;
            }

            .featured-video-card h3 {
                font-size: 1rem;
            }

            .featured-video-card p {
                font-size: 0.85rem;
                -webkit-line-clamp: 2;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .video-card .video-title {
                font-size: 0.95rem;
            }

            .stats-section {
                padding: 28px 0;
            }

            .stat-item {
                padding: 14px 10px;
            }

            .stat-item .stat-number {
                font-size: 1.3rem;
            }

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

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
:root {
      --primary: #1e4d3a;
      --primary-light: #2a6b52;
      --primary-dark: #14352a;
      --accent: #c8f04a;
      --accent-dark: #a8d635;
      --accent-soft: #f0f8d8;
      --bg: #f7f5f0;
      --surface: #ffffff;
      --text: #1a1a1a;
      --text-muted: #6b6b6b;
      --text-light: #9a9a9a;
      --border: #e8e4dc;
      --border-dark: #d5d0c6;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 12px;
      --radius-xl: 20px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.06);
      --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 16px 48px rgba(0,0,0,0.08);
      --transition: 200ms ease;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
      --font-mono: 'Roboto Mono', Menlo, Consolas, monospace;
      --header-height: 64px;
      --chip-height: 52px;
      --section-pad-desktop: 56px;
      --section-pad-mobile: 40px;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-sans);
      line-height: 1.6;
      color: var(--text);
      background-color: var(--bg);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      margin: 0;
      padding: 0;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover, a:focus {
      color: var(--primary-dark);
      text-decoration: none;
    }
    a:focus-visible, button:focus-visible, input:focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ========== HEADER ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 1px 6px rgba(0,0,0,0.03);
    }

    .brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--header-height);
      gap: 16px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary) !important;
      letter-spacing: 0.02em;
      white-space: nowrap;
      line-height: 1;
    }
    .brand-logo:hover {
      color: var(--primary-dark) !important;
    }

    .brand-logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: var(--accent);
      border-radius: var(--radius-md);
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .brand-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-btn, .menu-btn {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border);
      border-radius: 50%;
      background: var(--surface);
      color: var(--text);
      cursor: pointer;
      transition: all var(--transition);
      font-size: 1rem;
    }
    .search-btn:hover, .menu-btn:hover {
      background: var(--primary);
      color: var(--surface);
      border-color: var(--primary);
    }

    .login-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      border: 1px solid var(--primary);
      border-radius: 999px;
      background: transparent;
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
      white-space: nowrap;
    }
    .login-btn:hover {
      background: var(--primary);
      color: var(--surface);
    }

    .register-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      border: none;
      border-radius: 999px;
      background: var(--primary);
      color: var(--surface);
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
      white-space: nowrap;
    }
    .register-btn:hover {
      background: var(--primary-dark);
      color: var(--accent);
    }

    /* ========== CHIP NAV ========== */
    .chip-nav-wrap {
      background: var(--bg);
      border-top: 1px solid var(--border);
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .chip-nav-wrap::-webkit-scrollbar {
      display: none;
    }

    .chip-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      height: var(--chip-height);
      padding-left: 24px;
      padding-right: 24px;
      min-width: max-content;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 16px;
      border-radius: 999px;
      background: var(--surface);
      border: 1px solid var(--border);
      color: var(--text-muted);
      font-size: 0.875rem;
      font-weight: 500;
      white-space: nowrap;
      transition: all var(--transition);
      cursor: pointer;
    }
    .chip:hover {
      background: var(--accent-soft);
      border-color: var(--primary-light);
      color: var(--primary);
    }
    .chip.active {
      background: var(--primary);
      color: var(--surface);
      border-color: var(--primary);
      font-weight: 600;
    }
    .chip.active i {
      color: var(--accent);
    }

    /* ========== MAIN ========== */
    main {
      flex: 1;
      display: block;
    }

    .section-pad {
      padding-top: var(--section-pad-desktop);
      padding-bottom: var(--section-pad-desktop);
    }

    /* ========== BREADCRUMB + PAGE HEAD ========== */
    .page-head {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding-top: 36px;
      padding-bottom: 28px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    .breadcrumb a {
      color: var(--text-muted);
      transition: color var(--transition);
    }
    .breadcrumb a:hover {
      color: var(--primary);
    }
    .breadcrumb .separator {
      color: var(--text-light);
      font-size: 0.75rem;
    }
    .breadcrumb .current {
      color: var(--primary);
      font-weight: 600;
      pointer-events: none;
    }

    .page-head h1 {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text);
      margin: 0 0 8px 0;
      line-height: 1.3;
      letter-spacing: 0.01em;
    }
    .page-head .sub-title {
      font-size: 1rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.5;
    }

    /* ========== SECTION TITLES ========== */
    .section-title {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 12px 0;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      margin: 0 0 32px 0;
      line-height: 1.6;
    }

    /* ========== ARTICLE LIST ========== */
    .article-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .article-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }
    .article-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-dark);
    }

    .article-card .article-img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      background: var(--border);
    }

    .article-body {
      padding: 20px 22px 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
      gap: 10px;
    }

    .article-date {
      font-size: 0.8125rem;
      color: var(--text-light);
      font-family: var(--font-mono);
      letter-spacing: 0.02em;
    }

    .article-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin: 0;
      line-height: 1.4;
      color: var(--text);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-card h3 a {
      color: var(--text);
      transition: color var(--transition);
    }
    .article-card h3 a:hover {
      color: var(--primary);
    }

    .article-excerpt {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .article-meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid var(--border);
    }

    .article-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      background: var(--accent-soft);
      color: var(--primary);
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 500;
    }

    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
    }
    .read-more:hover {
      color: var(--primary-dark);
    }

    .view-more-wrap {
      text-align: center;
      margin-top: 36px;
    }

    .view-more-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 32px;
      background: transparent;
      border: 2px solid var(--primary);
      border-radius: 999px;
      color: var(--primary);
      font-size: 0.9375rem;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
    }
    .view-more-btn:hover {
      background: var(--primary);
      color: var(--surface);
    }

    /* ========== DATA PANEL ========== */
    .data-panel {
      background: var(--primary-dark);
      border-radius: var(--radius-xl);
      padding: 48px 40px;
      background-image: linear-gradient(135deg, #14352a 0%, #1e4d3a 55%, #2a6b52 100%);
      position: relative;
      overflow: hidden;
    }
    .data-panel::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 500px;
      height: 500px;
      border-radius: 50%;
      background: rgba(200, 240, 74, 0.06);
      pointer-events: none;
    }
    .data-panel::after {
      content: '';
      position: absolute;
      bottom: -40%;
      left: -10%;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      pointer-events: none;
    }

    .data-panel .section-title {
      color: var(--surface);
      position: relative;
      z-index: 1;
    }
    .data-panel .section-desc {
      color: rgba(255,255,255,0.7);
      position: relative;
      z-index: 1;
    }

    .data-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      z-index: 1;
    }

    .data-item {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      backdrop-filter: blur(4px);
      transition: all var(--transition);
    }
    .data-item:hover {
      background: rgba(255,255,255,0.14);
      border-color: rgba(200, 240, 74, 0.35);
      transform: translateY(-2px);
    }

    .data-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--accent);
      font-family: var(--font-mono);
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    .data-label {
      font-size: 0.875rem;
      color: rgba(255,255,255,0.75);
      margin-top: 6px;
      line-height: 1.4;
    }

    /* ========== TAG CLOUD ========== */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 8px 18px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 999px;
      font-size: 0.875rem;
      color: var(--text-muted);
      cursor: pointer;
      transition: all var(--transition);
    }
    .tag-pill:hover {
      background: var(--accent-soft);
      border-color: var(--primary-light);
      color: var(--primary);
    }
    .tag-pill i {
      font-size: 0.75rem;
      color: var(--text-light);
    }

    /* ========== TOPIC CARDS ========== */
    .topic-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .topic-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 26px 22px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      text-align: left;
      transition: all var(--transition);
    }
    .topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-dark);
    }

    .topic-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      background: var(--accent-soft);
      color: var(--primary);
      border-radius: var(--radius-md);
      font-size: 1.2rem;
      margin-bottom: 16px;
    }

    .topic-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin: 0 0 8px 0;
      color: var(--text);
      line-height: 1.4;
    }
    .topic-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.6;
    }

    /* ========== CTA STRIP ========== */
    .cta-strip {
      background: var(--surface);
      border: 2px solid var(--primary);
      border-radius: var(--radius-xl);
      padding: 40px 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .cta-strip:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-dark);
    }
    .cta-strip h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 6px 0;
      line-height: 1.3;
    }
    .cta-strip p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.6;
    }
    .cta-strip .btn-primary {
        flex-shrink: 0;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 28px;
      background: var(--primary);
      border: none;
      border-radius: 999px;
      color: var(--surface);
      font-size: 0.9375rem;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
      white-space: nowrap;
      text-decoration: none;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      color: var(--accent);
      text-decoration: none;
    }

    /* ========== OTHER CHANNELS ========== */
    .channel-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .channel-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 999px;
      color: var(--text-muted);
      font-size: 0.9375rem;
      font-weight: 500;
      transition: all var(--transition);
    }
    .channel-link:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: var(--surface);
    }
    .channel-link i {
      color: var(--primary);
      transition: color var(--transition);
    }
    .channel-link:hover i {
      color: var(--accent);
    }

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

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
    }

    .footer-brand .brand-logo {
      color: var(--surface) !important;
      font-size: 1.35rem;
      margin-bottom: 16px;
    }
    .footer-brand .brand-logo-icon {
      background: rgba(255,255,255,0.12);
      color: var(--accent);
    }
    .footer-brand p {
      font-size: 0.875rem;
      line-height: 1.7;
      margin: 0 0 20px 0;
      max-width: 320px;
      color: rgba(255,255,255,0.6);
    }

    .footer-social {
      display: flex;
      gap: 12px;
    }
    .footer-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: rgba(255,255,255,0.1);
      color: rgba(255,255,255,0.7);
      font-size: 1rem;
      transition: all var(--transition);
    }
    .footer-social a:hover {
      background: var(--accent);
      color: var(--primary-dark);
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--surface);
      margin: 0 0 16px 0;
      letter-spacing: 0.02em;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 0.875rem;
      color: rgba(255,255,255,0.6);
      transition: all var(--transition);
    }
    .footer-col ul li a:hover {
      color: var(--accent);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 20px;
      padding-bottom: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.8125rem;
      color: rgba(255,255,255,0.5);
    }
    .footer-bottom a {
      color: rgba(255,255,255,0.6);
      transition: color var(--transition);
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
      .data-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .topic-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
      .article-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --section-pad-desktop: 40px;
        --header-height: 56px;
        --chip-height: 46px;
      }
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .chip-nav {
        padding-left: 16px;
        padding-right: 16px;
      }
      .page-head {
        padding-top: 24px;
        padding-bottom: 20px;
      }
      .page-head h1 {
        font-size: 1.5rem;
      }
      .section-title {
        font-size: 1.4rem;
      }
      .article-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .data-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .data-number {
        font-size: 1.75rem;
      }
      .topic-grid {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .cta-strip {
        flex-direction: column;
        text-align: center;
        padding: 28px 20px;
        gap: 16px;
      }
      .cta-strip h2 {
        font-size: 1.25rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
      }
      .brand-logo {
        font-size: 1.2rem;
      }
      .brand-logo-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
      }
      .login-btn, .register-btn {
        padding: 6px 12px;
        font-size: 0.8125rem;
      }
      .login-btn span, .register-btn span {
        display: none;
      }
      .search-btn, .menu-btn {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
      }
      .data-panel {
        padding: 32px 20px;
      }
      .article-body {
        padding: 16px 16px 20px;
      }
      .article-card h3 {
        font-size: 1rem;
      }
      .article-excerpt {
        font-size: 0.875rem;
      }
    }

    @media (max-width: 520px) {
      .data-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
      }
      .data-item {
        padding: 16px 10px;
      }
      .data-number {
        font-size: 1.5rem;
      }
      .data-label {
        font-size: 0.75rem;
      }
      .brand-logo {
        font-size: 1.1rem;
      }
      .chip {
        padding: 6px 12px;
        font-size: 0.8125rem;
      }
      .chip i {
        font-size: 0.75rem;
      }
      .page-head h1 {
        font-size: 1.3rem;
      }
      .breadcrumb {
        font-size: 0.8125rem;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }
    }

/* roulang page: category4 */
:root {
            --primary: #1e4d3a;
            --primary-light: #2a6b52;
            --primary-dark: #14352a;
            --accent: #c8f04a;
            --accent-dark: #a8d635;
            --accent-soft: #f0f8d8;
            --bg: #f7f5f0;
            --surface: #ffffff;
            --text: #1a1a1a;
            --text-muted: #6b6b6b;
            --text-light: #9a9a9a;
            --border: #e8e4dc;
            --border-dark: #d5d0c6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 16px 48px rgba(0,0,0,0.08);
            --transition: 200ms ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'Roboto Mono', Menlo, Consolas, monospace;
            --header-height: 64px;
            --chip-height: 52px;
            --section-pad-desktop: 48px;
            --section-pad-mobile: 32px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.03);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1;
        }

        .brand-logo:hover {
            color: var(--primary-dark) !important;
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-btn,
        .menu-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: var(--surface);
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            font-size: 1rem;
        }

        .search-btn:hover,
        .menu-btn:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
        }

        .login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid var(--primary);
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .login-btn:hover {
            background: var(--primary);
            color: var(--surface);
        }

        .register-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: none;
            border-radius: 999px;
            background: var(--primary);
            color: var(--surface);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .register-btn:hover {
            background: var(--primary-light);
            color: var(--surface);
        }

        .menu-btn {
            display: none;
        }

        /* ===== Chip Nav ===== */
        .chip-nav-wrap {
            background: var(--bg);
            border-top: 1px solid var(--border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-dark) transparent;
        }

        .chip-nav-wrap::-webkit-scrollbar {
            height: 4px;
        }

        .chip-nav-wrap::-webkit-scrollbar-thumb {
            background: var(--border-dark);
            border-radius: 999px;
        }

        .chip-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            height: var(--chip-height);
            min-width: max-content;
            padding-top: 6px;
            padding-bottom: 6px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none !important;
        }

        .chip i {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .chip:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
        }

        .chip.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .chip.active i {
            color: var(--accent);
        }

        /* ========== PAGE HEADER ========== */
        .page-header {
            background: linear-gradient(135deg, #f0f8d8 0%, #e8f5e0 50%, #f7f5f0 100%);
            border-bottom: 1px solid var(--border);
            padding: 28px 0 22px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

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

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

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

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

        .page-header h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 8px;
            letter-spacing: 0.01em;
        }

        .page-header .header-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== SECTION ========== */
        .section {
            padding: var(--section-pad-desktop) 0;
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .section-dark h2 {
            color: var(--surface);
        }

        .section-head {
            margin-bottom: 28px;
        }

        .section-head h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 6px;
            letter-spacing: 0.01em;
        }

        .section-head .section-sub {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }

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

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

        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-dark);
        }

        .post-card-img {
            width: 100%;
            height: 180px;
            overflow: hidden;
            background: var(--bg);
            position: relative;
            flex-shrink: 0;
        }

        .post-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

        .post-card:hover .post-card-img img {
            transform: scale(1.04);
        }

        .post-card-img .post-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(20, 53, 42, 0.92);
            color: var(--accent);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            font-family: var(--font-mono);
        }

        .post-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .post-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-body .post-summary {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .post-card-body .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .post-meta .post-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .post-meta .post-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .read-more {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .read-more:hover {
            color: var(--primary-dark);
        }

        .read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--surface);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none !important;
        }

        .tag-badge:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .tag-badge.hot {
            background: var(--accent-soft);
            color: var(--primary);
            border-color: var(--accent-dark);
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(200, 240, 74, 0.4);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
            line-height: 1.2;
            display: block;
        }

        .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            display: block;
            letter-spacing: 0.04em;
        }

        /* ========== FEATURED ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .featured-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-dark);
        }

        .featured-card-img {
            width: 100%;
            height: 140px;
            overflow: hidden;
            background: var(--bg);
            position: relative;
        }

        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

        .featured-card:hover .featured-card-img img {
            transform: scale(1.04);
        }

        .featured-card-img .featured-label {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.68rem;
            font-weight: 800;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: 0.04em;
        }

        .featured-card-body {
            padding: 14px 16px 16px;
        }

        .featured-card-body h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card-body p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card-body .featured-meta {
            font-size: 0.72rem;
            color: var(--text-light);
            font-family: var(--font-mono);
        }

        /* ========== OTHER SECTIONS ========== */
        .other-links {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .other-link-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            color: var(--text);
            transition: all var(--transition);
            text-decoration: none !important;
        }

        .other-link-card:hover {
            border-color: var(--primary);
            background: var(--accent-soft);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .other-link-card i {
            font-size: 1.3rem;
            color: var(--primary);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .other-link-card span {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
        }

        /* ========== CTA ========== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            color: var(--surface);
        }

        .cta-box h2 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--surface);
            margin: 0 0 6px;
        }

        .cta-box p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            max-width: 480px;
            line-height: 1.6;
        }

        .cta-box-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: none;
            border-radius: 999px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none !important;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 240, 74, 0.35);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: 999px;
            background: transparent;
            color: var(--surface);
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none !important;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--surface);
            color: var(--surface);
        }

        /* ========== VIEW MORE ========== */
        .view-more-wrap {
            text-align: center;
            padding-top: 12px;
        }

        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 32px;
            border: 2px solid var(--primary);
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none !important;
        }

        .btn-view-more:hover {
            background: var(--primary);
            color: var(--surface);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #10281e;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 20px;
            margin-top: auto;
            font-size: 0.85rem;
        }

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

        .footer-brand .brand-logo {
            color: var(--accent) !important;
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
            margin: 0 0 16px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all var(--transition);
            text-decoration: none;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--surface);
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
            transition: all var(--transition);
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 18px;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .post-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .other-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
                --chip-height: 46px;
                --section-pad-desktop: 32px;
                --section-pad-mobile: 24px;
            }
            .brand-actions .login-btn,
            .brand-actions .register-btn {
                display: none;
            }
            .menu-btn {
                display: inline-flex;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .post-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .other-links {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .cta-box {
                padding: 28px 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-box-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-box-actions .btn-primary,
            .cta-box-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .section {
                padding: var(--section-pad-mobile) 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-card {
                padding: 14px 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .page-header {
                padding: 20px 0 16px;
            }
            .page-header h1 {
                font-size: 1.25rem;
            }
            .post-card-img {
                height: 150px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1e4d3a;
            --primary-light: #2a6b52;
            --primary-dark: #14352a;
            --accent: #c8f04a;
            --accent-dark: #a8d635;
            --accent-soft: #f0f8d8;
            --bg: #f7f5f0;
            --surface: #ffffff;
            --text: #1a1a1a;
            --text-muted: #6b6b6b;
            --text-light: #9a9a9a;
            --border: #e8e4dc;
            --border-dark: #d5d0c6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 8px 28px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 16px 48px rgba(0,0,0,0.08);
            --transition: 200ms ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', '苹方', '微软雅黑', 'Helvetica Neue', Arial, sans-serif;
            --font-mono: 'Roboto Mono', Menlo, Consolas, monospace;
            --header-height: 64px;
            --chip-height: 52px;
            --section-pad-desktop: 72px;
            --section-pad-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.03);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1;
        }

        .brand-logo:hover {
            color: var(--primary-dark) !important;
        }

        .brand-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-btn,
        .menu-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: var(--surface);
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            font-size: 1rem;
        }

        .search-btn:hover,
        .menu-btn:hover {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
        }

        .login-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid var(--primary);
            border-radius: 999px;
            background: transparent;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .login-btn:hover {
            background: var(--primary);
            color: var(--surface);
        }

        .register-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: none;
            border-radius: 999px;
            background: var(--primary);
            color: var(--surface);
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .register-btn:hover {
            background: var(--primary-dark);
        }

        /* ========== CHIP NAV ========== */
        .chip-nav-wrap {
            background: var(--bg);
            border-top: 1px solid var(--border);
            overflow: hidden;
            position: relative;
        }

        .chip-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            height: var(--chip-height);
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
            padding-top: 4px;
            padding-bottom: 4px;
        }

        .chip-nav::-webkit-scrollbar {
            display: none;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--surface);
            color: var(--text-muted);
            font-size: 0.875rem;
            font-weight: 600;
            border: 1px solid var(--border);
            transition: all var(--transition);
            flex-shrink: 0;
            white-space: nowrap;
            cursor: pointer;
        }

        .chip:hover {
            background: var(--accent-soft);
            color: var(--primary);
            border-color: var(--primary-light);
        }

        .chip.active {
            background: var(--primary);
            color: var(--surface);
            border-color: var(--primary);
        }

        .chip.active:hover {
            background: var(--primary-dark);
            color: var(--surface);
        }

        .chip i {
            font-size: 0.9rem;
        }

        /* ========== MAIN ========== */
        main {
            flex: 1 0 auto;
        }

        section {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-accent {
            background: var(--accent-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding-top: 18px;
            padding-bottom: 18px;
        }

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

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

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

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

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

        /* ========== PAGE H1 ========== */
        .page-head {
            background: var(--surface);
            padding-top: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-head h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 12px 0;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .page-head .page-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== MEMBER PLANS ========== */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .plan-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .plan-card.featured {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--surface);
            box-shadow: var(--shadow-lg);
            position: relative;
            transform: scale(1.03);
        }

        .plan-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .plan-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            align-self: flex-start;
        }

        .plan-card.featured .plan-badge {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .plan-name {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: inherit;
        }

        .plan-price {
            font-size: 2.4rem;
            font-weight: 800;
            font-family: var(--font-mono);
            margin-bottom: 4px;
            color: inherit;
            letter-spacing: -0.02em;
        }

        .plan-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .plan-card.featured .plan-price span {
            color: rgba(255,255,255,0.7);
        }

        .plan-period {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .plan-card.featured .plan-period {
            color: rgba(255,255,255,0.7);
        }

        .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .plan-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.925rem;
            color: var(--text);
            line-height: 1.5;
        }

        .plan-card.featured .plan-features li {
            color: rgba(255,255,255,0.9);
        }

        .plan-features li i {
            color: var(--primary);
            font-size: 0.9rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .plan-card.featured .plan-features li i {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            text-align: center;
            text-decoration: none;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--surface);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-dark);
            color: var(--text);
        }

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

        .plan-card.featured .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .plan-card.featured .btn-accent:hover {
            background: var(--accent-dark);
        }

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

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-number .suffix {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--accent-dark);
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== ARTICLE LIST ========== */
        .article-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .article-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--border);
            position: relative;
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

        .article-card:hover .article-thumb img {
            transform: scale(1.04);
        }

        .article-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(0,0,0,0.7);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

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

        .article-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }

        .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .article-more {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .article-more:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .list-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        /* ========== EXPLORE CHANNELS ========== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .channel-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            display: block;
            color: var(--text);
        }

        .channel-card:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .channel-card i {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
            display: inline-block;
        }

        .channel-card .channel-name {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .channel-card .channel-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--primary-light);
        }

        .accordion-item.is-active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            position: relative;
        }

        .accordion-title:hover {
            color: var(--primary);
        }

        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-content {
            padding: 0 22px 20px;
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            color: var(--surface);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(200,240,74,0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200,240,74,0.05);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--surface);
            margin: 0 0 8px 0;
        }

        .cta-text p {
            font-size: 1rem;
            color: rgba(255,255,255,0.75);
            margin: 0;
            max-width: 520px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.1);
            color: var(--surface);
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition);
        }

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

        .cta-input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.15);
            box-shadow: 0 0 0 4px rgba(200,240,74,0.15);
        }

        .btn-light {
            background: var(--surface);
            color: var(--primary);
            border: none;
            padding: 14px 28px;
        }

        .btn-light:hover {
            background: var(--accent-soft);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding-top: 56px;
            padding-bottom: 0;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .brand-logo {
            color: var(--surface) !important;
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo:hover {
            color: var(--accent) !important;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin-bottom: 16px;
            max-width: 280px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.6);
            transition: all var(--transition);
            font-size: 0.95rem;
        }

        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .footer-col h4 {
            font-size: 0.925rem;
            font-weight: 700;
            color: var(--surface);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 0.875rem;
            color: rgba(255,255,255,0.55);
            transition: all var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.5);
            transition: color var(--transition);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-pad-desktop: 56px;
            }
            .plan-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .plan-card.featured {
                transform: none;
            }
            .plan-card.featured:hover {
                transform: translateY(-4px);
            }
            .article-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad-desktop: 48px;
                --header-height: 56px;
                --chip-height: 46px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .login-btn,
            .register-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .login-btn span,
            .register-btn span {
                display: none;
            }
            .login-btn i,
            .register-btn i {
                font-size: 0.9rem;
            }
            .page-head h1 {
                font-size: 1.6rem;
            }
            .article-list-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .channel-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-form {
                width: 100%;
            }
            .cta-input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-pad-desktop: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-actions {
                gap: 6px;
            }
            .search-btn,
            .menu-btn {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .login-btn,
            .register-btn {
                padding: 6px 12px;
            }
            .chip-nav {
                gap: 6px;
            }
            .chip {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .plan-card {
                padding: 24px 20px;
            }
            .plan-price {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .channel-grid {
                grid-template-columns: 1fr;
            }
            .cta-text h2 {
                font-size: 1.4rem;
            }
            .page-head h1 {
                font-size: 1.4rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }