/* roulang page: index */
:root {
            --primary: #1B5E3B;
            --primary-dark: #154A30;
            --accent: #D94A3A;
            --accent-dark: #C03A2B;
            --highlight: #F0A928;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --border: #E5E2DA;
            --success: #2E7D32;
            --fail: #9E9E9E;
            --shadow-sm: 0 1px 3px rgba(28, 28, 28, 0.06), 0 4px 16px rgba(28, 28, 28, 0.05);
            --shadow-md: 0 6px 24px rgba(28, 28, 28, 0.10);
            --shadow-hero: 0 8px 32px rgba(27, 94, 59, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --radius-img: 12px;
            --font-h1: '思源黑体', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-body: '思源宋体', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', Georgia, serif;
            --font-data: 'Fira Sans', '思源黑体', 'Source Han Sans SC', 'PingFang SC', monospace;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 64px;
            --section-padding: 72px 0;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input {
            font-family: var(--font-h1);
            font-size: 15px;
            outline: none;
            border: none;
        }

        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(27, 94, 59, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(247, 245, 240, 0.9);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

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

        .brand-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }

        .brand-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        .brand-text {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.5px;
        }

        .brand-text:hover {
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .main-nav a {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }

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

        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
        }

        .search-btn:hover {
            background: rgba(27, 94, 59, 0.1);
        }

        .search-btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(217, 74, 58, 0.3);
        }

        .btn-secondary {
            background: var(--primary);
            color: #fff;
        }

        .btn-secondary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(27, 94, 59, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 17px;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: rgba(27, 94, 59, 0.1);
        }

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

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Mobile Nav ========== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 20px 24px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav a {
            display: block;
            padding: 14px 16px;
            font-family: var(--font-h1);
            font-size: 17px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            transition: background var(--transition);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
        }

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

        .section-alt {
            background: #F0EEE8;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
            font-family: var(--font-h1);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-family: var(--font-h1);
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 80px 0 64px;
            background-image: url('/assets/images/0754739d94ca2695.jpg');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 94, 59, 0.85) 0%, rgba(27, 94, 59, 0.65) 50%, rgba(18, 59, 38, 0.75) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-family: var(--font-h1);
            font-size: 40px;
            font-weight: 900;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            position: relative;
            padding-left: 20px;
        }

        .hero-content h1::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 5px;
            background: var(--highlight);
            border-radius: 3px;
        }

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.92);
            line-height: 1.8;
            margin-bottom: 28px;
            font-weight: 400;
            max-width: 520px;
        }

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

        .hero-data-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-hero);
        }

        .hero-data-card h3 {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-data-card h3::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hero-match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .hero-match-info {
            flex: 1;
        }

        .hero-match-teams {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .hero-match-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-match-confidence {
            text-align: right;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .hero-match-confidence .confidence-value {
            font-family: var(--font-data);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            display: block;
        }

        .hero-match-confidence .confidence-label {
            font-size: 11px;
            color: var(--text-muted);
        }

        .hero-note {
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }

        /* ========== Stats Bar ========== */
        .stats-bar-section {
            padding: 32px 0;
            background: var(--primary);
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-value {
            font-family: var(--font-data);
            font-size: 32px;
            font-weight: 700;
            color: var(--highlight);
            display: block;
            line-height: 1.2;
        }

        .stat-label {
            font-family: var(--font-h1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ========== Cards Grid ========== */
        .card-grid {
            display: grid;
            gap: 24px;
        }

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

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

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #F0EFEB;
            transition: transform var(--transition);
        }

        .card:hover .card-img {
            transform: scale(1.03);
        }

        .card-img-wrapper {
            overflow: hidden;
            border-radius: var(--radius-img) var(--radius-img) 0 0;
        }

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

        .card-body h3 {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .card:hover .card-body h3 {
            color: var(--accent);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }

        .tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--bg);
            color: var(--text-secondary);
            font-family: var(--font-h1);
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            transition: all var(--transition);
            cursor: default;
        }

        .tag:hover {
            background: rgba(27, 94, 59, 0.12);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(217, 74, 58, 0.1);
            color: var(--accent);
        }

        .tag-highlight {
            background: rgba(240, 169, 40, 0.15);
            color: #B8860B;
        }

        .card-meta {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            font-family: var(--font-h1);
        }

        .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Recommendations Section ========== */
        .recommendation-card .card-body {
            padding-bottom: 16px;
        }

        .confidence-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 20px;
            font-family: var(--font-h1);
            font-size: 12px;
            font-weight: 700;
        }

        .confidence-high {
            background: rgba(217, 74, 58, 0.12);
            color: var(--accent);
        }

        .confidence-mid {
            background: rgba(240, 169, 40, 0.15);
            color: #B8860B;
        }

        .view-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        /* ========== Match Reviews ========== */
        .review-card {
            flex-direction: row;
            align-items: stretch;
        }

        .review-card .review-img-wrapper {
            width: 40%;
            flex-shrink: 0;
            overflow: hidden;
            border-radius: var(--radius-img) 0 0 var(--radius-img);
        }

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

        .review-card:hover .review-img-wrapper img {
            transform: scale(1.03);
        }

        .review-card .card-body {
            flex: 1;
        }

        .review-date {
            font-family: var(--font-h1);
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .review-handicap {
            font-family: var(--font-data);
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Handicap Analysis ========== */
        .handicap-board {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .handicap-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .handicap-direction {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-data);
            font-weight: 700;
            font-size: 16px;
        }

        .direction-up {
            background: rgba(46, 125, 50, 0.1);
            color: var(--success);
        }

        .direction-down {
            background: rgba(217, 74, 58, 0.1);
            color: var(--accent);
        }

        .handicap-info {
            flex: 1;
        }

        .handicap-info h4 {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }

        .handicap-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .handicap-progress {
            flex-shrink: 0;
            width: 100px;
            height: 6px;
            background: var(--bg);
            border-radius: 3px;
            overflow: hidden;
        }

        .handicap-progress-bar {
            height: 100%;
            border-radius: 3px;
            transition: width 0.8s ease;
        }

        .bar-green {
            background: var(--success);
        }
        .bar-red {
            background: var(--accent);
        }
        .bar-gold {
            background: var(--highlight);
        }

        /* ========== Timeline ========== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 20px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.15);
        }

        .timeline-time {
            font-family: var(--font-h1);
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .timeline-content h4 {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== Columnists ========== */
        .columnist-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .columnist-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--primary);
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-h1);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
        }

        .columnist-card h4 {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .columnist-card .columnist-streak {
            font-family: var(--font-data);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            margin: 6px 0;
        }

        .columnist-card .columnist-area {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ========== Brand Intro ========== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro-content {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 2;
        }

        .brand-intro-content p {
            margin-bottom: 16px;
        }

        .brand-intro-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

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

        /* ========== Classroom Cards ========== */
        .classroom-card .classroom-progress {
            display: flex;
            gap: 4px;
            margin-top: 12px;
        }

        .classroom-progress span {
            flex: 1;
            height: 4px;
            background: var(--border);
            border-radius: 2px;
            transition: background var(--transition);
        }

        .classroom-progress span.done {
            background: var(--primary);
        }
        .classroom-progress span.current {
            background: var(--highlight);
        }

        /* ========== Upset Alert ========== */
        .upset-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .upset-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .upset-item:hover {
            box-shadow: var(--shadow-md);
        }

        .upset-teams {
            font-family: var(--font-h1);
            font-weight: 600;
            color: var(--text);
            font-size: 15px;
            flex: 1;
        }

        .upset-risk {
            font-family: var(--font-data);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }

        .upset-reason {
            font-size: 13px;
            color: var(--text-muted);
            max-width: 200px;
            text-align: right;
        }

        /* ========== League Tags ========== */
        .league-tags-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .league-tag {
            padding: 10px 22px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 24px;
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .league-tag:hover {
            background: rgba(27, 94, 59, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ========== Stats Chart ========== */
        .chart-section-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }

        .bar-chart {
            display: flex;
            align-items: flex-end;
            gap: 8px;
            height: 220px;
            padding: 16px 0;
        }

        .bar-chart-col {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .bar-chart-bar {
            width: 100%;
            max-width: 40px;
            background: var(--primary);
            border-radius: 4px 4px 0 0;
            transition: all var(--transition);
            min-height: 4px;
        }

        .bar-chart-col:hover .bar-chart-bar {
            background: var(--highlight);
        }

        .bar-chart-col .bar-label {
            font-family: var(--font-h1);
            font-size: 11px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .chart-notes {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .chart-notes strong {
            color: var(--primary);
            font-family: var(--font-h1);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg);
        }

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

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-item summary {
            padding: 18px 22px;
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: background var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: rgba(27, 94, 59, 0.04);
        }

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 500;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
            content: '−';
        }

        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

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

        .community-review {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .community-review:hover {
            box-shadow: var(--shadow-md);
        }

        .community-review .review-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .community-review .review-author {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-h1);
            font-size: 14px;
        }

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

        .review-author .author-date {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Subscribe CTA ========== */
        .subscribe-section {
            background: var(--primary);
        }

        .subscribe-section .section-header h2 {
            color: #fff;
        }
        .subscribe-section .section-header p {
            color: rgba(255, 255, 255, 0.8);
        }

        .subscribe-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 32px;
            max-width: 520px;
            margin: 0 auto;
            box-shadow: var(--shadow-hero);
        }

        .subscribe-card h3 {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .subscribe-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 15px;
            color: var(--text);
            transition: all var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.15);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-success {
            display: none;
            padding: 10px 16px;
            background: rgba(46, 125, 50, 0.1);
            color: var(--success);
            font-family: var(--font-h1);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            margin-top: 12px;
        }

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

        /* ========== Bottom Brand ========== */
        .bottom-brand {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 36px;
            align-items: start;
        }

        .bottom-brand-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .bottom-brand-img img {
            width: 100%;
            object-fit: cover;
        }

        .bottom-brand-content {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 2;
        }

        .bottom-brand-content p {
            margin-bottom: 14px;
        }

        /* ========== Keyword Cloud ========== */
        .keyword-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }

        .keyword-cloud .tag {
            font-size: 14px;
            padding: 6px 16px;
            cursor: pointer;
        }

        .keyword-cloud .tag:hover {
            background: rgba(27, 94, 59, 0.12);
            color: var(--primary);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #123B26;
            color: #CFD6D2;
            padding: 48px 0 32px;
        }

        .site-footer .container {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 36px;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 24px;
        }

        .footer-brand .brand-icon {
            background: var(--primary);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }

        .footer-brand p {
            font-size: 14px;
            color: #CFD6D2;
            line-height: 1.8;
            margin-top: 12px;
            max-width: 300px;
        }

        .footer-col h4 {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            color: #CFD6D2;
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #2E5A42;
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #A0ABA5;
        }

        .footer-bottom a {
            color: #CFD6D2;
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-link-group {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 56px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                padding: 60px 0 48px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .card-grid-3,
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .chart-section-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .bottom-brand {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn {
                display: none;
            }
            .header-actions .search-btn {
                display: flex;
            }
            .hero-content h1 {
                font-size: 28px;
                padding-left: 14px;
            }
            .hero-content .hero-subtitle {
                font-size: 16px;
            }
            .stats-bar {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .stat-value {
                font-size: 24px;
            }
            .card-grid-3,
            .card-grid-2,
            .review-grid {
                grid-template-columns: 1fr;
            }
            .review-card {
                flex-direction: column;
            }
            .review-card .review-img-wrapper {
                width: 100%;
                border-radius: var(--radius-img) var(--radius-img) 0 0;
                aspect-ratio: 16/9;
            }
            .review-card .review-img-wrapper img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .handicap-item {
                flex-wrap: wrap;
            }
            .handicap-progress {
                width: 100%;
                margin-top: 8px;
            }
            .upset-item {
                flex-wrap: wrap;
            }
            .upset-reason {
                max-width: 100%;
                text-align: left;
                width: 100%;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-padding: 40px 0;
            }
            .container {
                padding: 0 16px;
            }
            .hero {
                padding: 40px 0 36px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 24px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-value {
                font-size: 20px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .card-body {
                padding: 16px;
            }
            .card-body h3 {
                font-size: 16px;
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: 15px;
            }
            .hero-data-card {
                padding: 16px;
            }
            .league-tags-wrap {
                gap: 6px;
            }
            .league-tag {
                font-size: 13px;
                padding: 8px 14px;
            }
            .faq-item summary {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #154A30;
            --accent: #D94A3A;
            --accent-dark: #C03A2B;
            --highlight: #F0A928;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --border: #E5E2DA;
            --success: #2E7D32;
            --fail: #9E9E9E;
            --shadow-sm: 0 1px 3px rgba(28, 28, 28, 0.06), 0 4px 16px rgba(28, 28, 28, 0.05);
            --shadow-md: 0 6px 24px rgba(28, 28, 28, 0.10);
            --shadow-hero: 0 8px 32px rgba(27, 94, 59, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --radius-img: 12px;
            --font-h1: '思源黑体', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-body: '思源宋体', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', Georgia, serif;
            --font-data: 'Fira Sans', '思源黑体', 'Source Han Sans SC', 'PingFang SC', monospace;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 64px;
            --section-padding: 56px 0;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        button,
        input {
            font-family: var(--font-h1);
            font-size: 15px;
            outline: none;
            border: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(27, 94, 59, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }
        .brand-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .brand-text {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .brand-text:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
            display: inline-block;
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-btn:hover {
            background: rgba(27, 94, 59, 0.1);
        }
        .search-btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-h1);
            font-weight: 700;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(217, 74, 58, 0.25);
        }
        .btn-secondary {
            background: var(--primary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27, 94, 59, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-sm {
            padding: 6px 14px;
            font-size: 13px;
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            width: 40px;
            height: 40px;
            cursor: pointer;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            align-items: center;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Category Header */
        .category-header {
            padding: 28px 0 8px;
            background: var(--bg);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-family: var(--font-h1);
            color: var(--text-muted);
            margin-bottom: 14px;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .sep {
            color: var(--border);
        }
        .category-header h1 {
            font-family: var(--font-h1);
            font-size: 34px;
            font-weight: 900;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .category-header .lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.9;
        }

        /* Section */
        .section {
            padding: var(--section-padding);
        }
        .section-title {
            font-family: var(--font-h1);
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 28px;
            font-family: var(--font-h1);
        }

        /* Intelligence Card List */
        .intel-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .intel-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
            border-left: 4px solid var(--primary);
        }
        .intel-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .intel-table {
            background: #F0EFEB;
            border-radius: 8px;
            padding: 12px 14px;
            font-family: var(--font-h1);
            font-size: 12.5px;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-self: start;
        }
        .intel-table .row-data {
            display: flex;
            justify-content: space-between;
            gap: 8px;
            line-height: 1.6;
        }
        .intel-table .label {
            color: var(--text-muted);
        }
        .intel-table .value {
            font-weight: 700;
            font-family: var(--font-data);
            color: var(--text);
        }
        .intel-table .value.up {
            color: var(--success);
        }
        .intel-table .value.down {
            color: var(--accent);
        }
        .intel-table .value.flat {
            color: var(--text-muted);
        }
        .intel-body {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .intel-body h3 {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin: 0;
        }
        .intel-body h3 a {
            color: var(--text);
        }
        .intel-body h3 a:hover {
            color: var(--primary);
        }
        .intel-body .summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        .intel-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-family: var(--font-h1);
            font-size: 12px;
            color: var(--text-muted);
        }
        .tag {
            display: inline-block;
            background: #F0EFEB;
            color: var(--text-secondary);
            font-size: 12px;
            font-family: var(--font-h1);
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            transition: background var(--transition), color var(--transition);
        }
        .tag:hover {
            background: rgba(27, 94, 59, 0.12);
            color: var(--primary);
        }

        /* Popular articles */
        .popular-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .popular-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .popular-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .popular-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #F0EFEB;
        }
        .popular-card .card-body {
            padding: 16px 18px;
        }
        .popular-card h4 {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .popular-card h4 a {
            color: var(--text);
        }
        .popular-card h4 a:hover {
            color: var(--primary);
        }
        .popular-card .meta {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-h1);
        }

        /* Stats Snapshot */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-block {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 18px;
            text-align: center;
            transition: transform var(--transition);
        }
        .stat-block:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-block .number {
            font-family: var(--font-data);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
        }
        .stat-block .number.highlight {
            color: var(--highlight);
        }
        .stat-block .label {
            font-family: var(--font-h1);
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-wrapper {
            background: #F0EFEB;
            border-radius: var(--radius-card);
            padding: 28px 28px 20px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: 8px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-item details {
            padding: 0;
        }
        .faq-item summary {
            font-family: var(--font-h1);
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text);
            padding: 16px 20px;
            cursor: pointer;
            list-style: none;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-weight: 900;
            font-size: 20px;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item details[open] summary::after {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 0 20px 16px;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag {
            padding: 6px 16px;
            font-size: 13px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .tag-cloud .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* Load more */
        .load-more {
            text-align: center;
            margin-top: 28px;
        }
        .load-more a {
            display: inline-block;
            font-family: var(--font-h1);
            font-weight: 700;
            font-size: 15px;
            color: var(--primary);
            background: var(--card-bg);
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            transition: all var(--transition);
        }
        .load-more a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27, 94, 59, 0.25);
        }

        /* Footer */
        .site-footer {
            background: #123B26;
            color: #CFD6D2;
            padding: 48px 0 24px;
            margin-top: 16px;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
        }
        .footer-brand {
            max-width: 300px;
            flex: 1 1 260px;
        }
        .footer-brand .brand {
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.8;
            color: #CFD6D2;
            margin: 0;
        }
        .footer-col {
            flex: 0 1 150px;
        }
        .footer-col h4 {
            font-family: var(--font-h1);
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #CFD6D2;
            font-size: 13px;
            font-family: var(--font-h1);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--highlight);
        }
        .footer-bottom {
            flex: 0 0 100%;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid #2E5A42;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: #9FB5AA;
            font-family: var(--font-h1);
        }
        .footer-link-group {
            display: flex;
            gap: 18px;
        }
        .footer-link-group a {
            color: #9FB5AA;
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-link-group a:hover {
            color: var(--highlight);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 16px;
            }
            .main-nav a {
                font-size: 13.5px;
            }
            .intel-card {
                grid-template-columns: 180px 1fr;
                padding: 16px 18px;
                gap: 16px;
            }
            .popular-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-header h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
            }
            .site-header {
                height: 56px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: rgba(247, 245, 240, 0.98);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid var(--border);
                text-align: left;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .main-nav a.active {
                background: rgba(27, 94, 59, 0.08);
                padding-left: 8px;
                border-radius: 4px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .btn-primary {
                display: none;
            }
            .header-actions .search-btn {
                display: flex;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .lead {
                font-size: 14px;
            }
            .intel-card {
                grid-template-columns: 1fr;
                padding: 16px;
                gap: 14px;
                border-left-width: 3px;
            }
            .intel-table {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 12px;
            }
            .popular-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-block .number {
                font-size: 24px;
            }
            .faq-wrapper {
                padding: 18px 16px 12px;
            }
            .site-footer .container {
                flex-direction: column;
                gap: 24px;
            }
            .footer-brand {
                max-width: 100%;
                flex: 1 1 auto;
            }
            .footer-col {
                flex: 1 1 auto;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 21px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-block {
                padding: 16px 10px;
            }
            .stat-block .number {
                font-size: 20px;
            }
            .intel-body h3 {
                font-size: 16px;
            }
            .tag-cloud {
                gap: 6px;
            }
            .tag-cloud .tag {
                font-size: 12px;
                padding: 5px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #154A30;
            --accent: #D94A3A;
            --accent-dark: #C03A2B;
            --highlight: #F0A928;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --border: #E5E2DA;
            --success: #2E7D32;
            --fail: #9E9E9E;
            --shadow-sm: 0 1px 3px rgba(28, 28, 28, 0.06), 0 4px 16px rgba(28, 28, 28, 0.05);
            --shadow-md: 0 6px 24px rgba(28, 28, 28, 0.10);
            --shadow-hero: 0 8px 32px rgba(27, 94, 59, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --radius-img: 12px;
            --font-h1: '思源黑体', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-body: '思源宋体', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', Georgia, serif;
            --font-data: 'Fira Sans', '思源黑体', 'Source Han Sans SC', 'PingFang SC', monospace;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 64px;
            --section-padding: 56px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input {
            font-family: var(--font-h1);
            font-size: 15px;
            outline: none;
            border: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(27, 94, 59, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(247, 245, 240, 0.9);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }
        .brand-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .brand-text {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .brand-text:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-btn:hover {
            background: rgba(27, 94, 59, 0.1);
        }
        .search-btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary {
            background: var(--primary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
            box-shadow: var(--shadow-md);
        }
        .mobile-nav a {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        /* ========== Page Header / Breadcrumb ========== */
        .page-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #2d7a4d 100%);
            padding: 32px 0 28px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(240, 169, 40, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: rgba(217, 74, 58, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb-nav {
            font-family: var(--font-h1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: #fff;
        }
        .breadcrumb-nav span {
            margin: 0 6px;
            color: rgba(255, 255, 255, 0.5);
        }
        .page-header h1 {
            font-family: var(--font-h1);
            font-size: 36px;
            font-weight: 900;
            line-height: 1.3;
            margin: 0 0 8px;
            position: relative;
            z-index: 2;
            letter-spacing: 1px;
        }
        .page-header .sub-note {
            font-family: var(--font-h1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            position: relative;
            z-index: 2;
        }
        /* ========== Section Common ========== */
        section {
            padding: var(--section-padding);
        }
        .section-title {
            font-family: var(--font-h1);
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-family: var(--font-h1);
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 28px;
        }
        .section-header .title-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .section-header .title-row::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
        }
        /* ========== Intro Section ========== */
        .category-intro {
            background: var(--card-bg);
            padding: 28px 32px;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            margin-bottom: 8px;
        }
        .category-intro p {
            margin: 0;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .category-intro strong {
            color: var(--text);
            font-weight: 700;
        }
        /* ========== Review Cards ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .review-card .card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            transition: transform var(--transition);
        }
        .review-card:hover .card-img {
            transform: scale(1.03);
        }
        .review-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .review-card .card-meta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .review-card .match-date {
            font-family: var(--font-h1);
            font-size: 13px;
            color: var(--text-muted);
        }
        .review-card .league-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(27, 94, 59, 0.08);
            color: var(--primary);
            font-family: var(--font-h1);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-tag);
        }
        .review-card h3 {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
            color: var(--text);
        }
        .review-card h3 a {
            color: var(--text);
        }
        .review-card h3 a:hover {
            color: var(--accent);
        }
        .review-card .card-summary {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 16px;
            flex: 1;
        }
        .review-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .review-card .tag-pill {
            display: inline-block;
            padding: 3px 12px;
            background: var(--bg);
            color: var(--text-secondary);
            font-family: var(--font-h1);
            font-size: 12px;
            border-radius: var(--radius-tag);
            transition: background var(--transition);
        }
        .review-card .tag-pill:hover {
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
        }
        .review-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 12px;
            font-family: var(--font-h1);
            font-size: 13px;
            color: var(--text-muted);
        }
        .review-card .read-count {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .review-card .read-count::before {
            content: '👁';
            font-size: 12px;
        }
        /* ========== More Link ========== */
        .more-link-wrap {
            text-align: center;
            margin-top: 32px;
        }
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-family: var(--font-h1);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition);
            background: var(--card-bg);
        }
        .more-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(27, 94, 59, 0.04);
        }
        /* ========== Hot Articles ========== */
        .hot-articles {
            background: var(--card-bg);
            padding: 32px;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
        }
        .hot-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: 8px;
            transition: background var(--transition);
            background: var(--bg);
        }
        .hot-item:hover {
            background: rgba(27, 94, 59, 0.06);
        }
        .hot-item .rank-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-h1);
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hot-item .rank-badge.rank-gold {
            background: var(--highlight);
        }
        .hot-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-item .hot-info h4 {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-item .hot-info h4 a {
            color: var(--text);
        }
        .hot-item .hot-info h4 a:hover {
            color: var(--accent);
        }
        .hot-item .hot-meta {
            font-family: var(--font-h1);
            font-size: 12px;
            color: var(--text-muted);
        }
        /* ========== Stats Snapshot ========== */
        .stats-snapshot {
            background: var(--primary-dark);
            padding: 32px;
            border-radius: var(--radius-card);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-snapshot::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -5%;
            width: 250px;
            height: 250px;
            background: rgba(240, 169, 40, 0.1);
            border-radius: 50%;
        }
        .stats-snapshot .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
        }
        .stat-item .stat-number {
            font-family: var(--font-data);
            font-size: 32px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-family: var(--font-h1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }
        .stats-snapshot .stat-note {
            font-family: var(--font-h1);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
            margin-top: 16px;
            position: relative;
            z-index: 2;
        }
        /* ========== FAQ ========== */
        .faq-section {
            background: transparent;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .faq-item details {
            width: 100%;
        }
        .faq-item summary {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            padding: 18px 24px;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item summary .faq-icon {
            width: 20px;
            height: 20px;
            position: relative;
            flex-shrink: 0;
        }
        .faq-item summary .faq-icon::before,
        .faq-item summary .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .faq-item summary .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-item summary .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .faq-item details[open] summary .faq-icon::after {
            transform: translate(-50%, -50%) scaleY(0);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        /* ========== Tags Section ========== */
        .tags-section {
            background: var(--card-bg);
            padding: 32px;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-family: var(--font-h1);
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #123B26;
            color: #CFD6D2;
            padding: 48px 0 28px;
        }
        .site-footer .container:first-child {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid #2E5A42;
            margin-bottom: 24px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #A8B8AD;
            margin: 12px 0 0;
        }
        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
        }
        .site-footer .footer-brand .brand-text:hover {
            color: var(--highlight);
        }
        .site-footer .footer-brand .brand-icon {
            background: var(--primary);
        }
        .site-footer h4 {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #A8B8AD;
            font-size: 14px;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #8AA398;
        }
        .footer-bottom span {
            white-space: nowrap;
        }
        .footer-link-group {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }
        .footer-link-group a {
            color: #8AA398;
            font-size: 13px;
            white-space: nowrap;
        }
        .footer-link-group a:hover {
            color: #fff;
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-snapshot .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .container:first-child {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-nav {
                display: flex;
            }
            .mobile-nav.hidden {
                display: none;
            }
            .page-header h1 {
                font-size: 30px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .stats-snapshot .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .container:first-child {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-link-group {
                margin-left: 0;
            }
            .review-card .card-img {
                height: 180px;
            }
            .category-intro {
                padding: 20px;
            }
            .hot-articles,
            .stats-snapshot,
            .tags-section {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .review-card .card-img {
                height: 160px;
            }
            .stats-snapshot .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 24px;
            }
            .header-actions .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #154A30;
            --accent: #D94A3A;
            --accent-dark: #C03A2B;
            --highlight: #F0A928;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --border: #E5E2DA;
            --success: #2E7D32;
            --fail: #9E9E9E;
            --shadow-sm: 0 1px 3px rgba(28, 28, 28, 0.06), 0 4px 16px rgba(28, 28, 28, 0.05);
            --shadow-md: 0 6px 24px rgba(28, 28, 28, 0.10);
            --shadow-hero: 0 8px 32px rgba(27, 94, 59, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --radius-img: 12px;
            --font-h1: '思源黑体', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-body: '思源宋体', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', Georgia, serif;
            --font-data: 'Fira Sans', '思源黑体', 'Source Han Sans SC', 'PingFang SC', monospace;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 64px;
            --section-padding: 56px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input {
            font-family: var(--font-h1);
            font-size: 15px;
            outline: none;
            border: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(27, 94, 59, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(247, 245, 240, 0.9);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }
        .brand-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .brand-text {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.5px;
            transition: color var(--transition);
        }
        .brand-text:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
            padding: 0;
        }
        .search-btn:hover {
            background: rgba(27, 94, 59, 0.1);
        }
        .search-btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-h1);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary {
            background: var(--primary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-family: var(--font-h1);
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: #F7F5F0;
            border-radius: var(--radius-tag);
            padding: 4px 10px;
            transition: all var(--transition);
            cursor: default;
        }
        .tag:hover {
            background: rgba(27, 94, 59, 0.08);
            color: var(--primary);
        }
        a.tag {
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition);
        }
        a.tag:hover {
            background: rgba(27, 94, 59, 0.08);
            color: var(--primary);
        }
        /* ========== Breadcrumb ========== */
        .breadcrumb-wrapper {
            padding: 24px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-h1);
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-weight: 300;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }
        /* ========== Category Header ========== */
        .category-header {
            padding: 24px 0 20px;
        }
        .category-header h1 {
            font-family: var(--font-h1);
            font-size: 38px;
            font-weight: 900;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .category-header .category-intro {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 800px;
            margin: 0;
        }
        .category-header .category-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .category-header .update-note {
            font-family: var(--font-h1);
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-header .update-note .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
        }
        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: #F0EFEB;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header h2 {
            font-family: var(--font-h1);
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.35;
        }
        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .divider {
            height: 1px;
            background: var(--border);
            margin: 0 0 24px;
        }
        /* ========== Lesson Cards ========== */
        .lesson-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .lesson-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .lesson-card:hover {
            box-shadow: var(--shadow-md);
        }
        .lesson-card .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .lesson-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .lesson-card:hover .card-img img {
            transform: scale(1.03);
        }
        .lesson-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-family: var(--font-h1);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            color: #fff;
            background: var(--accent);
            letter-spacing: 0.3px;
        }
        .lesson-card .card-body {
            padding: 20px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .lesson-card .card-body h3 {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin: 0 0 10px;
            transition: color var(--transition);
        }
        .lesson-card:hover .card-body h3 {
            color: var(--primary);
        }
        .lesson-card .card-body .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }
        .lesson-card .card-body .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .lesson-card .card-body .card-meta .tag {
            font-size: 11px;
            padding: 3px 9px;
        }
        .lesson-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .lesson-card .card-body .card-footer .date {
            font-family: var(--font-h1);
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .lesson-progress {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            min-width: 80px;
        }
        .lesson-progress .progress-label {
            font-family: var(--font-h1);
            font-size: 11px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .lesson-progress .progress-track {
            flex: 1;
            height: 5px;
            background: var(--border);
            border-radius: 3px;
            overflow: hidden;
        }
        .lesson-progress .progress-fill {
            height: 100%;
            background: var(--success);
            border-radius: 3px;
        }
        .lesson-card .card-body .read-more {
            font-family: var(--font-h1);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            transition: color var(--transition);
        }
        .lesson-card .card-body .read-more:hover {
            color: var(--accent);
        }
        /* ========== Hot Articles ========== */
        .hot-articles-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .hot-article-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .hot-article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hot-article-card .hot-number {
            font-family: var(--font-data);
            font-size: 28px;
            font-weight: 700;
            color: var(--highlight);
            margin-bottom: 6px;
            line-height: 1;
        }
        .hot-article-card h3 {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin: 0 0 8px;
        }
        .hot-article-card .hot-meta {
            font-family: var(--font-h1);
            font-size: 11px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        /* ========== Stats Snapshot ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-number {
            font-family: var(--font-data);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-number.accent {
            color: var(--accent);
        }
        .stat-item .stat-number.highlight {
            color: var(--highlight);
        }
        .stat-item .stat-label {
            font-family: var(--font-h1);
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .stat-note {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 14px;
            margin-bottom: 0;
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* ========== Tag Cloud ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag {
            font-size: 13px;
            padding: 8px 16px;
            border-radius: 20px;
            cursor: pointer;
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #123B26;
            color: #CFD6D2;
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: space-between;
        }
        .site-footer a {
            color: #CFD6D2;
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: var(--highlight);
        }
        .footer-brand {
            max-width: 340px;
        }
        .footer-brand .brand {
            margin-bottom: 12px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand .brand-icon {
            background: var(--primary);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #CFD6D2;
            margin: 0;
        }
        .footer-col h4 {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
        }
        .footer-bottom {
            width: 100%;
            border-top: 1px solid #2E5A42;
            padding-top: 20px;
            margin-top: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: #CFD6D2;
        }
        .footer-bottom .footer-link-group {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .footer-link-group a {
            font-size: 13px;
            color: #CFD6D2;
        }
        .footer-bottom .footer-link-group a:hover {
            color: var(--highlight);
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .lesson-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .hot-articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-nav {
                gap: 18px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
            }
            .site-header {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
            }
            .site-header .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                gap: 16px;
                padding: 4px 0 6px;
                -webkit-overflow-scrolling: touch;
            }
            .main-nav a {
                font-size: 13px;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .header-actions {
                margin-left: auto;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .lesson-grid {
                grid-template-columns: 1fr;
            }
            .hot-articles-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .section {
                padding: var(--section-padding);
            }
            .breadcrumb-wrapper {
                padding: 16px 0 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .category-intro {
                font-size: 15px;
            }
            .lesson-card .card-body {
                padding: 16px;
            }
            .lesson-card .card-body h3 {
                font-size: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-articles-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 9px 18px;
                font-size: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #154A30;
            --accent: #D94A3A;
            --accent-dark: #C03A2B;
            --highlight: #F0A928;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --border: #E5E2DA;
            --success: #2E7D32;
            --fail: #9E9E9E;
            --shadow-sm: 0 1px 3px rgba(28, 28, 28, 0.06), 0 4px 16px rgba(28, 28, 28, 0.05);
            --shadow-md: 0 6px 24px rgba(28, 28, 28, 0.10);
            --shadow-hero: 0 8px 32px rgba(27, 94, 59, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --radius-img: 12px;
            --font-h1: '思源黑体', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-body: '思源宋体', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', Georgia, serif;
            --font-data: 'Fira Sans', '思源黑体', 'Source Han Sans SC', 'PingFang SC', monospace;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 64px;
            --section-padding: 56px 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input {
            font-family: var(--font-h1);
            font-size: 15px;
            outline: none;
            border: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(27, 94, 59, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(247, 245, 240, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }
        .brand-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .brand-text {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .brand-text:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-btn:hover {
            background: rgba(27, 94, 59, 0.1);
        }
        .search-btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(217, 74, 58, 0.35);
        }
        .btn-secondary {
            background: var(--primary);
            color: #fff;
            border: none;
        }
        .btn-secondary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(27, 94, 59, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .navbar-toggler {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 6px 10px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .navbar-toggler span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .navbar-toggler.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .navbar-toggler.active span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ========== Page Header ========== */
        .page-header {
            background: linear-gradient(135deg, #1B5E3B 0%, #154A30 60%, #1C1C1C 130%);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
            border-bottom: 3px solid var(--accent);
        }
        .page-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240,169,40,0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(217,74,58,0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-header .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb-custom a:hover {
            color: var(--highlight);
        }
        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--highlight);
            font-weight: 600;
        }
        .page-header h1 {
            font-family: var(--font-h1);
            font-size: 36px;
            font-weight: 900;
            line-height: 1.3;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .page-header .page-intro {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--section-padding);
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-title {
            font-family: var(--font-h1);
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* ========== Author Cards ========== */
        .author-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .author-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
        }
        .author-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(27, 94, 59, 0.3);
        }
        .author-card-top {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 20px 12px;
            border-bottom: 1px solid var(--border);
        }
        .author-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            background: #F0EFEB;
            border: 3px solid rgba(27, 94, 59, 0.2);
        }
        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .author-info {
            flex: 1;
            min-width: 0;
        }
        .author-name {
            font-family: var(--font-h1);
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 2px;
            letter-spacing: 0.3px;
        }
        .author-streak {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            background: rgba(217, 74, 58, 0.1);
            padding: 2px 10px;
            border-radius: 20px;
            margin-top: 2px;
        }
        .author-streak .streak-icon {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .author-card-body {
            padding: 16px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .author-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .tag {
            display: inline-block;
            background: #F7F5F0;
            border-radius: var(--radius-tag);
            font-size: 12px;
            color: var(--text-secondary);
            padding: 4px 12px;
            font-weight: 500;
            transition: all var(--transition);
            cursor: default;
            font-family: var(--font-h1);
        }
        .tag:hover {
            background: rgba(27, 94, 59, 0.12);
            color: var(--primary);
        }
        .tag-accent {
            background: rgba(217, 74, 58, 0.1);
            color: var(--accent);
        }
        .tag-accent:hover {
            background: rgba(217, 74, 58, 0.2);
            color: var(--accent);
        }
        .author-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .author-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }
        .author-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .author-meta .views {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Featured Articles ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(27, 94, 59, 0.3);
        }
        .featured-card-img {
            width: 100%;
            height: 140px;
            overflow: hidden;
            background: #F0EFEB;
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.04);
        }
        .featured-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card-title {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .featured-card:hover .featured-card-title {
            color: var(--primary);
        }
        .featured-card-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ========== Stats Snapshot ========== */
        .stats-snapshot {
            background: linear-gradient(135deg, #1B5E3B 0%, #154A30 100%);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-hero);
        }
        .stats-snapshot::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(240,169,40,0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .stats-snapshot .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 16px 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .stat-number {
            font-family: var(--font-data);
            font-size: 32px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            font-family: var(--font-h1);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .stat-note {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 16px;
            position: relative;
            z-index: 1;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(27, 94, 59, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 22px;
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--text-muted);
            transition: all 0.3s ease;
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #F7F5F0;
            border-radius: 50%;
        }
        .faq-item[open] summary::after {
            content: '×';
            color: var(--accent);
            background: rgba(217, 74, 58, 0.1);
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-answer {
            padding: 4px 22px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== Tags Cloud ========== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .tags-cloud .tag-lg {
            font-size: 14px;
            padding: 8px 18px;
            border-radius: 20px;
            font-family: var(--font-h1);
            font-weight: 500;
            background: var(--card-bg);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .tags-cloud .tag-lg:hover {
            background: rgba(27, 94, 59, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ========== Load More ========== */
        .load-more-wrap {
            text-align: center;
            padding: 12px 0 8px;
        }
        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 28px;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .load-more-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(27, 94, 59, 0.3);
        }
        .load-more-btn svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #123B26;
            color: #CFD6D2;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
        }
        .site-footer .footer-brand {
            flex: 1 1 280px;
            max-width: 320px;
        }
        .site-footer .footer-brand .brand {
            gap: 10px;
            margin-bottom: 4px;
        }
        .site-footer .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 900;
        }
        .site-footer .footer-brand .brand-icon {
            background: var(--primary);
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: #CFD6D2;
            line-height: 1.7;
            margin-top: 8px;
            margin-bottom: 0;
        }
        .site-footer .footer-col {
            flex: 0 1 auto;
            min-width: 140px;
        }
        .site-footer .footer-col h4 {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col ul a {
            font-size: 14px;
            color: #CFD6D2;
            text-decoration: none;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul a:hover {
            color: var(--highlight);
        }
        .site-footer .footer-bottom {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid #2E5A42;
            font-size: 13px;
            color: #9BAEA2;
        }
        .site-footer .footer-bottom span {
            white-space: nowrap;
        }
        .site-footer .footer-link-group {
            display: flex;
            gap: 20px;
        }
        .site-footer .footer-link-group a {
            color: #9BAEA2;
            text-decoration: none;
            font-size: 13px;
            transition: color var(--transition);
        }
        .site-footer .footer-link-group a:hover {
            color: var(--highlight);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .author-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-snapshot .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            :root {
                --section-padding: 48px 0;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 40px 0;
                --header-height: 56px;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(247, 245, 240, 0.98);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 30px rgba(0,0,0,0.08);
                display: none;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid var(--border);
                width: 100%;
                text-align: center;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .main-nav a.active::after {
                display: none;
            }
            .navbar-toggler {
                display: block;
            }
            .header-actions .search-btn {
                display: none;
            }
            .page-header {
                padding: 40px 0 32px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .page-header .page-intro {
                font-size: 15px;
            }
            .author-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-snapshot .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .site-footer .container {
                gap: 24px;
                flex-direction: column;
            }
            .site-footer .footer-brand {
                max-width: 100%;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .site-footer .footer-link-group {
                flex-wrap: wrap;
            }
            .author-card-top {
                padding: 16px 16px 10px;
                gap: 12px;
            }
            .author-avatar {
                width: 56px;
                height: 56px;
            }
            .author-card-body {
                padding: 12px 16px 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .stats-snapshot .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 22px;
            }
            .stat-label {
                font-size: 12px;
            }
            .author-card-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .author-avatar {
                width: 64px;
                height: 64px;
            }
            .featured-card-img {
                height: 120px;
            }
            .tags-cloud .tag-lg {
                font-size: 13px;
                padding: 6px 14px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .breadcrumb-custom {
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #154A30;
            --accent: #D94A3A;
            --accent-dark: #C03A2B;
            --highlight: #F0A928;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A8A;
            --border: #E5E2DA;
            --success: #2E7D32;
            --fail: #9E9E9E;
            --shadow-sm: 0 1px 3px rgba(28, 28, 28, 0.06), 0 4px 16px rgba(28, 28, 28, 0.05);
            --shadow-md: 0 6px 24px rgba(28, 28, 28, 0.10);
            --shadow-hero: 0 8px 32px rgba(27, 94, 59, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 6px;
            --radius-img: 12px;
            --font-h1: '思源黑体', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-body: '思源宋体', 'Source Han Serif SC', 'PingFang SC', 'Microsoft YaHei', Georgia, serif;
            --font-data: 'Fira Sans', '思源黑体', 'Source Han Sans SC', 'PingFang SC', monospace;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 64px;
            --section-padding: 40px 0;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input {
            font-family: var(--font-h1);
            font-size: 15px;
            outline: none;
            border: none;
        }
        button:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(27, 94, 59, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(247, 245, 240, 0.9);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }
        .brand-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .brand-text {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .brand-text:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-family: var(--font-h1);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-btn:hover {
            background: rgba(27, 94, 59, 0.1);
        }
        .search-btn svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: var(--text-secondary);
            stroke-width: 2;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-h1);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            padding: 10px 20px;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-secondary {
            background: var(--primary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        /* Breadcrumb */
        .breadcrumb-section {
            padding: 20px 0 0;
            font-family: var(--font-h1);
            font-size: 14px;
        }
        .breadcrumb-section a {
            color: var(--text-muted);
        }
        .breadcrumb-section span {
            margin: 0 6px;
            color: var(--text-muted);
        }
        .breadcrumb-section strong {
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* Page Intro */
        .page-intro {
            padding: 24px 0 12px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
        }
        .page-intro h1 {
            font-family: var(--font-h1);
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .page-intro p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.9;
            margin-bottom: 0;
        }
        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }
        .post-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .post-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-img) var(--radius-img) 0 0;
            transition: transform var(--transition);
        }
        .post-card:hover img {
            transform: scale(1.03);
        }
        .post-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .post-card h3 {
            font-family: var(--font-h1);
            font-size: 20px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
        }
        .post-card h3 a {
            color: inherit;
            transition: color var(--transition);
        }
        .post-card h3 a:hover {
            color: var(--accent);
        }
        .post-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
        }
        .post-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tag {
            display: inline-block;
            background: var(--bg);
            color: var(--text-secondary);
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            transition: all var(--transition);
        }
        .tag:hover {
            background: rgba(27, 94, 59, 0.12);
            color: var(--primary);
        }
        /* Hot Articles */
        .hot-section {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            margin-bottom: 40px;
            box-shadow: var(--shadow-sm);
        }
        .hot-section h2 {
            font-family: var(--font-h1);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            border-left: 4px solid var(--accent);
            padding-left: 12px;
        }
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .hot-item {
            display: flex;
            gap: 14px;
            padding: 16px;
            background: var(--bg);
            border-radius: var(--radius-card);
            transition: all var(--transition);
        }
        .hot-item:hover {
            background: rgba(27, 94, 59, 0.1);
        }
        .hot-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .hot-item-content h3 {
            font-family: var(--font-h1);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .hot-item-content h3 a {
            color: var(--text);
        }
        .hot-item-content h3 a:hover {
            color: var(--accent);
        }
        .hot-item-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-item-content .date {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Data Snapshot */
        .data-snapshot {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            margin-bottom: 40px;
        }
        .data-snapshot h2 {
            font-family: var(--font-h1);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            border-left: 4px solid var(--highlight);
            padding-left: 12px;
        }
        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .snapshot-item {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 18px;
            text-align: center;
        }
        .snapshot-item .number {
            font-family: var(--font-data);
            font-size: 32px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
        }
        .snapshot-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 6px;
        }
        /* FAQ */
        .faq-section {
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            margin-bottom: 40px;
            border: 1px solid var(--border);
        }
        .faq-section h2 {
            font-family: var(--font-h1);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: 8px;
            padding: 16px 18px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
        }
        .faq-item details summary {
            font-family: var(--font-h1);
            font-weight: 700;
            font-size: 17px;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            position: relative;
            padding-right: 24px;
        }
        .faq-item details summary::after {
            content: '+';
            position: absolute;
            right: 0;
            top: -2px;
            font-size: 22px;
            color: var(--primary);
        }
        .faq-item details[open] summary::after {
            content: '−';
        }
        .faq-item details p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 10px;
            line-height: 1.8;
        }
        /* Tag Cluster */
        .tag-cluster {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            margin-bottom: 40px;
            box-shadow: var(--shadow-sm);
        }
        .tag-cluster h2 {
            font-family: var(--font-h1);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            border-left: 4px solid var(--highlight);
            padding-left: 12px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 16px;
            background: var(--bg);
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        /* See More */
        .see-more {
            text-align: center;
            margin: 10px 0 40px;
        }
        /* Footer */
        .site-footer {
            background: #123B26;
            color: #CFD6D2;
            padding: 40px 0 24px;
            margin-top: 20px;
        }
        .site-footer .container {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
        }
        .footer-brand {
            max-width: 300px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 24px;
        }
        .footer-brand .brand-icon {
            background: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: #CFD6D2;
            margin-top: 8px;
            line-height: 1.7;
        }
        .footer-col {
            flex: 1;
            min-width: 140px;
        }
        .footer-col h4 {
            font-family: var(--font-h1);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #CFD6D2;
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--highlight);
        }
        .footer-bottom {
            width: 100%;
            border-top: 1px solid #2E5A42;
            padding-top: 16px;
            margin-top: 8px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #A9B8AF;
        }
        .footer-link-group {
            display: flex;
            gap: 16px;
        }
        .footer-link-group a {
            color: #CFD6D2;
        }
        .footer-link-group a:hover {
            color: var(--highlight);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 64px;
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .site-header .container {
                flex-wrap: wrap;
                gap: 10px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                gap: 16px;
                overflow-x: auto;
                padding: 8px 0;
            }
            .main-nav a {
                font-size: 13px;
                white-space: nowrap;
            }
            .header-actions .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .snapshot-grid {
                grid-template-columns: 1fr;
            }
            .page-intro h1 {
                font-size: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}