/* roulang page: index */
:root {
            --primary: #123B38;
            --primary-dark: #0C2B29;
            --primary-light: #1E504B;
            --accent: #C57A38;
            --accent-light: #D99A5B;
            --up: #A83F35;
            --down: #1E7560;
            --bg: #F5F1EA;
            --bg-alt: #EEF2EF;
            --card: #FFFDF8;
            --border: #E6DED2;
            --text: #1C1C1C;
            --text-soft: #5A5A52;
            --text-muted: #8A8478;
            --white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-sm: 0 2px 12px rgba(18, 59, 56, 0.06);
            --shadow-md: 0 8px 24px rgba(18, 59, 56, 0.12);
            --shadow-lg: 0 16px 40px rgba(18, 59, 56, 0.16);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: all 0.25s ease;
            --nav-height: 68px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(18, 59, 56, 0.3);
            text-underline-offset: 3px;
            transition: var(--transition);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
            transition: var(--transition);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 15px;
            color: var(--text);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.35;
            color: var(--primary);
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--primary);
        }

        h2 {
            font-size: clamp(22px, 2.8vw, 28px);
            margin-bottom: 12px;
            color: var(--primary);
        }

        h3 {
            font-size: clamp(17px, 1.8vw, 20px);
            margin-bottom: 8px;
            color: var(--primary);
        }

        p {
            margin-bottom: 12px;
            color: var(--text-soft);
        }

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        .nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-decoration: none;
            gap: 2px;
            flex-shrink: 0;
            min-width: 180px;
        }

        .nav-logo .logo-main {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.25;
            text-decoration: none;
        }

        .nav-logo .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            line-height: 1.2;
            text-decoration: none;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
        }

        .nav-links a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(18, 59, 56, 0.06);
        }

        .nav-links a.active {
            color: var(--white);
            background: var(--primary);
            font-weight: 600;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 1;
            min-width: 160px;
        }

        .nav-search input {
            width: 150px;
            height: 40px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 13px;
            transition: var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
            width: 200px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border: 1px solid var(--primary);
        }

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

        .btn-accent {
            background: var(--accent);
            color: var(--white);
            border: 1px solid var(--accent);
        }

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

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

        .btn-outline:hover {
            background: rgba(18, 59, 56, 0.06);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: 10px;
        }

        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-btn);
            background: var(--white);
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            transition: var(--transition);
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            background: var(--white);
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

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

        .mobile-nav a {
            display: block;
            padding: 14px 16px;
            font-size: 18px;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .mobile-nav a:hover {
            color: var(--accent);
            background: rgba(197, 122, 56, 0.06);
        }

        .mobile-nav a.active {
            color: var(--white);
            background: var(--primary);
        }

        /* Hero Section */
        .hero {
            padding: 56px 0 48px;
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: var(--bg-alt);
            clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
            z-index: 0;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: clamp(28px, 3.8vw, 38px);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero-content .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-soft);
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-visual {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-md);
        }

        .hero-visual .speed-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            font-weight: 600;
            color: var(--primary);
        }

        .hero-visual .speed-card-header .badge-sample {
            font-size: 11px;
            color: var(--text-muted);
            background: var(--bg);
            padding: 4px 10px;
            border-radius: var(--radius-tag);
        }

        .ticker-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
        }

        .ticker-row:last-child {
            border-bottom: none;
        }

        .ticker-name {
            font-weight: 500;
            font-size: 14px;
        }

        .ticker-price {
            font-family: var(--font-mono);
            font-size: 15px;
            font-weight: 600;
        }

        .ticker-change {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: var(--radius-tag);
        }

        .ticker-change.up {
            color: var(--up);
            background: rgba(168, 63, 53, 0.1);
        }

        .ticker-change.down {
            color: var(--down);
            background: rgba(30, 117, 96, 0.1);
        }

        .hero-search-row {
            margin-top: 16px;
            display: flex;
            gap: 8px;
        }

        .hero-search-row input {
            flex: 1;
            height: 44px;
            padding: 0 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            background: var(--white);
        }

        .hero-search-row input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
        }

        /* Section General */
        .section {
            padding: 56px 0;
            position: relative;
        }

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

        .section-white {
            background: var(--card);
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: clamp(22px, 2.8vw, 28px);
            margin-bottom: 8px;
        }

        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 640px;
        }

        /* Search Quick Bar */
        .search-quick {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
        }

        .search-quick .search-bar {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 12px;
        }

        .search-quick .search-bar input {
            flex: 1;
            height: 48px;
            padding: 0 18px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-btn);
            font-size: 15px;
            background: var(--white);
            transition: var(--transition);
        }

        .search-quick .search-bar input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
        }

        .search-quick .search-bar .btn {
            height: 48px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
        }

        .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .hot-tags .tags-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background: var(--bg);
            color: var(--text-soft);
            text-decoration: none;
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }

        .tag:hover {
            background: rgba(18, 59, 56, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }

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

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

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

        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(18, 59, 56, 0.2);
        }

        .card .card-image {
            width: 100%;
            height: 150px;
            border-radius: var(--radius-btn);
            object-fit: cover;
            margin-bottom: 16px;
            background: var(--bg-alt);
        }

        .card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex: 1;
        }

        .card .card-link {
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card .card-link::after {
            content: '→';
            transition: var(--transition);
        }

        .card .card-link:hover::after {
            transform: translateX(4px);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            letter-spacing: 0.02em;
        }

        .badge-up {
            color: var(--up);
            background: rgba(168, 63, 53, 0.1);
        }

        .badge-down {
            color: var(--down);
            background: rgba(30, 117, 96, 0.1);
        }

        .badge-free {
            color: var(--primary);
            background: rgba(18, 59, 56, 0.08);
        }

        .badge-hot {
            color: var(--accent);
            background: rgba(197, 122, 56, 0.12);
        }

        .badge-new {
            color: var(--white);
            background: var(--accent);
        }

        /* Ranking List */
        .ranking-list {
            list-style: none;
            counter-reset: rank;
        }

        .ranking-list li {
            counter-increment: rank;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 12px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            border-radius: var(--radius-btn);
        }

        .ranking-list li:hover {
            background: rgba(18, 59, 56, 0.04);
        }

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

        .ranking-list .rank-num {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
        }

        .ranking-list .rank-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-list .rank-info .rank-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            display: block;
            text-decoration: none;
            margin-bottom: 2px;
        }

        .ranking-list .rank-info .rank-name:hover {
            color: var(--accent);
        }

        .ranking-list .rank-info .rank-desc {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
        }

        .ranking-list .rank-status {
            flex-shrink: 0;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

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

        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 8px;
            color: var(--text);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(18, 59, 56, 0.2);
            text-decoration: none;
        }

        .news-card .news-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .news-card h3 {
            font-size: 16px;
            margin-bottom: 0;
            color: var(--text);
            line-height: 1.5;
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            flex: 1;
        }

        .news-card time {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 15px;
            background: var(--card);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
        }

        /* Tools Grid */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tool-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            color: var(--text);
        }

        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(18, 59, 56, 0.2);
            text-decoration: none;
        }

        .tool-card img {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            object-fit: cover;
        }

        .tool-card h3 {
            font-size: 15px;
            margin-bottom: 0;
            color: var(--text);
        }

        /* Step Guide */
        .step-guide {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .step-list {
            list-style: none;
            counter-reset: step;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-list li {
            counter-increment: step;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px;
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .step-list li:hover {
            border-color: rgba(18, 59, 56, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .step-list .step-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(197, 122, 56, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-list .step-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .step-list .step-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .guide-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .guide-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* Topic Sections */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .topic-item {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 16px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: var(--transition);
            color: var(--text);
        }

        .topic-item:hover {
            border-color: rgba(18, 59, 56, 0.25);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
        }

        .topic-item img {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .topic-item .topic-info {
            flex: 1;
            min-width: 0;
        }

        .topic-item .topic-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--text);
        }

        .topic-item .topic-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        .topic-item .topic-tag {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-tag);
            background: rgba(18, 59, 56, 0.06);
            color: var(--primary);
            font-weight: 600;
            flex-shrink: 0;
        }

        /* Market Snapshot */
        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }

        .snapshot-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .snapshot-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .snapshot-card .snap-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .snapshot-card .snap-price {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
        }

        .snapshot-card .snap-change {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
        }

        /* Standards & Info */
        .info-columns {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .info-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .info-card:hover {
            box-shadow: var(--shadow-md);
        }

        .info-card .info-icon {
            font-size: 28px;
            margin-bottom: 12px;
            display: block;
        }

        .info-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .info-card p,
        .info-card ul {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .info-card ul {
            list-style: none;
            padding: 0;
        }

        .info-card ul li {
            padding: 4px 0;
            border-bottom: 1px dashed var(--border);
        }

        .info-card ul li:last-child {
            border-bottom: none;
        }

        /* FAQ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            margin-bottom: 10px;
            background: var(--card);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(18, 59, 56, 0.2);
        }

        .faq-question {
            width: 100%;
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            font-size: 20px;
            flex-shrink: 0;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

        /* CTA Band */
        .cta-band {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 60%;
            height: 200%;
            background: rgba(255, 255, 255, 0.04);
            transform: rotate(18deg);
            pointer-events: none;
        }

        .cta-band h2 {
            color: var(--white);
            font-size: clamp(22px, 2.6vw, 28px);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-band p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-band .btn {
            position: relative;
            z-index: 1;
            margin: 0 6px;
        }

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

        .cta-band .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
        }

        .cta-band .btn-outline-light {
            background: transparent;
            color: var(--white);
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }

        .cta-band .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            color: var(--white);
        }

        /* Footer Quick Nav */
        .footer-nav-section {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            padding: 40px 0 24px;
        }

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

        .footer-nav-col h3 {
            font-size: 15px;
            margin-bottom: 12px;
            color: var(--primary);
        }

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

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

        .footer-nav-col ul a {
            font-size: 14px;
            color: var(--text-soft);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 28px 0 20px;
            font-size: 13px;
        }

        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: center;
            text-align: center;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.02em;
        }

        .site-footer .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }

        .site-footer .copyright {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            line-height: 1.6;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .grid-3,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4,
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .snapshot-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .step-guide {
                grid-template-columns: 1fr;
            }
            .info-columns {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .footer-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .hero {
                padding: 32px 0 36px;
            }
            .hero::before {
                display: none;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .grid-3,
            .news-grid,
            .grid-4,
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-columns {
                grid-template-columns: 1fr;
            }
            .footer-nav-grid {
                grid-template-columns: 1fr;
            }
            .search-quick .search-bar {
                flex-direction: column;
            }
            .search-quick .search-bar .btn {
                width: 100%;
            }
            .hero-search-row {
                flex-direction: column;
            }
            .cta-band {
                padding: 28px 20px;
            }
            .cta-band .btn {
                display: flex;
                margin: 6px auto;
                width: 100%;
                max-width: 300px;
            }
            .ranking-list li {
                flex-wrap: wrap;
                gap: 8px;
            }
            .ranking-list .rank-status {
                width: 100%;
                justify-content: flex-start;
            }
            .nav-logo {
                min-width: auto;
            }
            .nav-logo .logo-main {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 28px 0;
            }
            h1 {
                font-size: 22px;
            }
            h2 {
                font-size: 20px;
            }
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .snapshot-card {
                padding: 12px 8px;
            }
            .snapshot-card .snap-price {
                font-size: 15px;
            }
            .badge {
                font-size: 10px;
                padding: 2px 8px;
            }
            .tool-card {
                padding: 16px;
            }
            .step-list li {
                padding: 12px;
                gap: 10px;
            }
            .step-list .step-num {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }

/* roulang page: article */
:root {
            --primary: #123B38;
            --primary-dark: #0C2B29;
            --primary-light: #1E504B;
            --accent: #C57A38;
            --accent-light: #D99A5B;
            --up: #A83F35;
            --down: #1E7560;
            --bg: #F5F1EA;
            --bg-alt: #EEF2EF;
            --card: #FFFDF8;
            --border: #E6DED2;
            --text: #1C1C1C;
            --text-soft: #5A5A52;
            --text-muted: #8A8478;
            --white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-sm: 0 2px 12px rgba(18, 59, 56, 0.06);
            --shadow-md: 0 8px 24px rgba(18, 59, 56, 0.12);
            --shadow-lg: 0 16px 40px rgba(18, 59, 56, 0.16);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: all 0.25s ease;
            --nav-height: 68px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(18, 59, 56, 0.3);
            text-underline-offset: 3px;
            transition: var(--transition);
        }
        a:hover {
            text-decoration-color: var(--accent);
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
            transition: var(--transition);
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 15px;
            color: var(--text);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-decoration: none;
            gap: 2px;
            flex-shrink: 0;
            min-width: 180px;
        }
        .nav-logo .logo-main {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.25;
            text-decoration: none;
        }
        .nav-logo .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            line-height: 1.2;
            text-decoration: none;
        }
        .nav-logo:hover .logo-main {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            list-style: none;
        }
        .nav-links a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(18, 59, 56, 0.06);
        }
        .nav-links a.active {
            color: var(--white);
            background: var(--primary);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 1;
            min-width: 160px;
        }
        .nav-search input {
            width: 150px;
            height: 40px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 13px;
            transition: var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
            width: 200px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(18, 59, 56, 0.06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: #A8682D;
            border-color: #A8682D;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px 8px;
            background: none;
        }
        /* Breadcrumb */
        .breadcrumb-section {
            padding: 24px 0 0;
            background: var(--bg);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .breadcrumb-item {
            display: inline-flex;
            align-items: center;
        }
        .breadcrumb-item + .breadcrumb-item::before {
            content: "›";
            margin: 0 8px;
            color: var(--text-muted);
        }
        .breadcrumb-item a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-item.active {
            color: var(--text-soft);
        }
        /* Article main */
        .article-main {
            padding: 24px 0 64px;
        }
        .article-header {
            max-width: 780px;
            margin: 0 auto 32px;
        }
        .article-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--primary);
            margin: 0 0 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 14px;
            color: var(--text-muted);
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-content {
            max-width: 780px;
            margin: 0 auto;
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 40px 48px;
            line-height: 1.9;
            font-size: 16px;
            color: var(--text);
        }
        .article-content h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 32px 0 16px;
            line-height: 1.4;
        }
        .article-content h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 24px 0 12px;
            line-height: 1.4;
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 16px 20px;
            padding-left: 20px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(197, 122, 56, 0.06);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 8px 8px 0;
            color: var(--text-soft);
        }
        .article-content img {
            border-radius: var(--radius-card);
            margin: 24px 0;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-content th {
            background: var(--bg-alt);
            font-weight: 600;
        }
        .article-not-found {
            max-width: 780px;
            margin: 40px auto;
            text-align: center;
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 60px 24px;
        }
        .article-not-found h1 {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        /* Related section */
        .related-section {
            padding: 48px 0;
            background: var(--bg-alt);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 28px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .related-card {
            background: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            text-decoration: none;
            color: var(--text);
        }
        .related-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-summary {
            font-size: 14px;
            color: var(--text-soft);
            flex: 1;
            margin-bottom: 12px;
        }
        .related-card .card-time {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* CTA banner */
        .cta-banner {
            padding: 48px 0;
            background: var(--bg);
        }
        .cta-inner {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255,255,255,0.85);
            margin: 0;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
        }
        /* Bottom search */
        .bottom-search {
            padding: 24px 0 48px;
            background: var(--bg);
        }
        .search-bar {
            max-width: 620px;
            margin: 0 auto;
            display: flex;
            gap: 12px;
        }
        .search-bar input {
            flex: 1;
            height: 48px;
            padding: 0 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 15px;
        }
        .search-bar input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
        }
        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.85);
            padding: 48px 0 32px;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .copyright {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            margin: 0;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links a {
                padding: 8px 8px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                box-shadow: var(--shadow-md);
                z-index: 1001;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 16px;
                padding: 12px 16px;
                width: 100%;
            }
            .nav-logo {
                min-width: auto;
                flex: 1;
            }
            .site-header .container {
                flex-wrap: nowrap;
            }
            .article-title {
                font-size: 26px;
            }
            .article-content {
                padding: 28px 20px;
            }
            .cta-inner {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .search-bar {
                flex-direction: column;
            }
            .search-bar input {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .article-content {
                padding: 24px 16px;
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-meta {
                gap: 8px;
                font-size: 12px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            .footer-links {
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #123B38;
            --primary-dark: #0C2B29;
            --primary-light: #1E504B;
            --accent: #C57A38;
            --accent-light: #D99A5B;
            --up: #A83F35;
            --down: #1E7560;
            --bg: #F5F1EA;
            --bg-alt: #EEF2EF;
            --card: #FFFDF8;
            --border: #E6DED2;
            --text: #1C1C1C;
            --text-soft: #5A5A52;
            --text-muted: #8A8478;
            --white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-sm: 0 2px 12px rgba(18, 59, 56, 0.06);
            --shadow-md: 0 8px 24px rgba(18, 59, 56, 0.12);
            --shadow-lg: 0 16px 40px rgba(18, 59, 56, 0.16);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: all 0.25s ease;
            --nav-height: 68px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(18, 59, 56, 0.3);
            text-underline-offset: 3px;
            transition: var(--transition);
        }
        a:hover {
            text-decoration-color: var(--accent);
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
            transition: var(--transition);
        }
        input, textarea, select {
            font-family: inherit;
            font-size: 15px;
            color: var(--text);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 241, 234, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-decoration: none;
            gap: 2px;
            flex-shrink: 0;
            min-width: 180px;
        }
        .nav-logo .logo-main {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.25;
            text-decoration: none;
        }
        .nav-logo .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            line-height: 1.2;
            text-decoration: none;
        }
        .nav-logo:hover .logo-main {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(18, 59, 56, 0.06);
        }
        .nav-links a.active {
            color: var(--white);
            background: var(--primary);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 1;
            min-width: 160px;
        }
        .nav-search input {
            width: 150px;
            height: 40px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 13px;
            transition: var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
            width: 200px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(18, 59, 56, 0.06);
            color: var(--primary);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }
        .btn-accent:hover {
            background: #A8642A;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: 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-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            font-size: 18px;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            background: rgba(18, 59, 56, 0.06);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary);
            color: var(--white);
        }
        main {
            display: block;
        }
        section {
            padding: 60px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-white {
            background: var(--white);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.7;
        }
        .page-header {
            background: var(--primary);
            padding: 40px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-header::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 420px;
            height: 100%;
            background: url('/assets/images/752a11004ecf0b5c.webp') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-header .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.4);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: #fff;
            font-weight: 600;
        }
        .page-header h1 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px 0;
            line-height: 1.45;
            max-width: 800px;
        }
        .page-header .header-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 0;
        }
        .header-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            text-decoration: none;
        }
        .badge-up {
            background: rgba(168, 63, 53, 0.15);
            color: #D4594B;
            border: 1px solid rgba(168, 63, 53, 0.3);
        }
        .badge-down {
            background: rgba(30, 117, 96, 0.15);
            color: #4CA58A;
            border: 1px solid rgba(30, 117, 96, 0.3);
        }
        .badge-free {
            background: rgba(30, 117, 96, 0.12);
            color: var(--down);
            border: 1px solid rgba(30, 117, 96, 0.25);
        }
        .badge-hot {
            background: rgba(197, 122, 56, 0.14);
            color: var(--accent);
            border: 1px solid rgba(197, 122, 56, 0.3);
        }
        .badge-new {
            background: rgba(18, 59, 56, 0.1);
            color: var(--primary);
            border: 1px solid rgba(18, 59, 56, 0.25);
        }
        .site-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .site-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .site-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(18, 59, 56, 0.2);
        }
        .site-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-alt);
        }
        .site-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .site-card .card-title {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
            line-height: 1.45;
        }
        .site-card .card-desc {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }
        .site-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 4px;
        }
        .tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 500;
            background: var(--bg-alt);
            color: var(--text-soft);
            border: 1px solid var(--border);
            line-height: 1.6;
        }
        .site-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .site-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
        }
        .site-card .card-link:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .filter-tags-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            padding: 12px 0;
        }
        .filter-tags-bar .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-soft);
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-tag);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            user-select: none;
        }
        .filter-tag:hover,
        .filter-tag.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }
        .quick-search-section {
            background: var(--bg-alt);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .quick-search-section .search-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            margin: 0;
        }
        .quick-search-section .search-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex: 1;
            max-width: 480px;
        }
        .quick-search-section .search-form input {
            flex: 1;
            min-width: 200px;
            height: 44px;
            padding: 0 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 14px;
            transition: var(--transition);
        }
        .quick-search-section .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
        }
        .quick-search-section .search-form .btn {
            height: 44px;
        }
        .news-list-section .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 6px 0;
            line-height: 1.5;
        }
        .news-card h3 a {
            text-decoration: none;
            color: var(--primary);
        }
        .news-card h3 a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .news-card p {
            font-size: 13px;
            color: var(--text-soft);
            margin: 0 0 10px 0;
            line-height: 1.6;
        }
        .news-card .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-card .news-meta span,
        .news-card .news-meta time {
            display: inline-block;
        }
        .empty-state {
            text-align: center;
            padding: 36px 16px;
            font-size: 15px;
            color: var(--text-muted);
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px dashed var(--border);
        }
        .inclusion-note {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .inclusion-note .note-block h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px 0;
        }
        .inclusion-note .note-block p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
        }
        .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(18, 59, 56, 0.2);
        }
        .accordion-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            user-select: none;
        }
        .accordion-item summary::-webkit-details-marker {
            display: none;
        }
        .accordion-item summary::after {
            content: '+';
            font-size: 20px;
            font-weight: 400;
            color: var(--accent);
            transition: var(--transition);
            margin-left: 12px;
        }
        .accordion-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .accordion-item .accordion-body {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }
        .cross-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .cross-nav-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
            display: block;
        }
        .cross-nav-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(18, 59, 56, 0.2);
        }
        .cross-nav-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 6px 0;
        }
        .cross-nav-card p {
            font-size: 13px;
            color: var(--text-soft);
            margin: 0;
        }
        .page-note {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.7;
            text-align: center;
            padding: 16px 0;
            border-top: 1px solid var(--border);
            margin-top: 32px;
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 32px;
            margin-top: 0;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: center;
            text-align: center;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer .copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
            line-height: 1.6;
            max-width: 720px;
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .site-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .inclusion-note {
                grid-template-columns: 1fr;
            }
            .news-list-section .news-list {
                grid-template-columns: 1fr;
            }
            .quick-search-section {
                flex-direction: column;
                align-items: flex-start;
            }
            .quick-search-section .search-form {
                max-width: 100%;
                width: 100%;
            }
            section {
                padding: 44px 0;
            }
            .page-header h1 {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .site-card-grid {
                grid-template-columns: 1fr;
            }
            .cross-nav {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 22px;
            }
            .page-header {
                padding: 28px 0 36px;
            }
            .page-header h1 {
                font-size: 20px;
            }
            section {
                padding: 36px 0;
            }
            .quick-search-section {
                padding: 20px;
            }
            .inclusion-note {
                padding: 20px;
            }
        }
        @media (max-width: 576px) {
            .nav-logo .logo-main {
                font-size: 13px;
            }
            .nav-logo .logo-sub {
                font-size: 10px;
            }
            .site-header {
                min-height: 58px;
            }
            .page-header h1 {
                font-size: 18px;
                line-height: 1.5;
            }
            .page-header .header-desc {
                font-size: 13px;
            }
            .badge {
                font-size: 11px;
                padding: 3px 8px;
            }
            .site-card .card-body {
                padding: 16px;
            }
            .site-card .card-title {
                font-size: 14px;
            }
            .site-card .card-desc {
                font-size: 12px;
            }
            .filter-tag {
                font-size: 11px;
                padding: 5px 12px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .section-title {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #123B38;
            --primary-dark: #0C2B29;
            --primary-light: #1E504B;
            --accent: #C57A38;
            --accent-light: #D99A5B;
            --up: #A83F35;
            --down: #1E7560;
            --bg: #F5F1EA;
            --bg-alt: #EEF2EF;
            --card: #FFFDF8;
            --border: #E6DED2;
            --text: #1C1C1C;
            --text-soft: #5A5A52;
            --text-muted: #8A8478;
            --white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-sm: 0 2px 12px rgba(18, 59, 56, 0.06);
            --shadow-md: 0 8px 24px rgba(18, 59, 56, 0.12);
            --shadow-lg: 0 16px 40px rgba(18, 59, 56, 0.16);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: all 0.25s ease;
            --nav-height: 68px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        * {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(18, 59, 56, 0.3);
            text-underline-offset: 3px;
            transition: var(--transition);
        }
        a:hover {
            text-decoration-color: var(--accent);
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
            transition: var(--transition);
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 15px;
            color: var(--text);
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.35;
            color: var(--text);
            margin: 0 0 12px 0;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-decoration: none;
            gap: 2px;
            flex-shrink: 0;
            min-width: 180px;
        }
        .nav-logo .logo-main {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.25;
            text-decoration: none;
        }
        .nav-logo .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            line-height: 1.2;
            text-decoration: none;
        }
        .nav-logo:hover .logo-main {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
        }
        .nav-links a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(18, 59, 56, 0.06);
        }
        .nav-links a.active {
            color: var(--white);
            background: var(--primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--primary);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .nav-toggle:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 1;
            min-width: 160px;
        }
        .nav-search input {
            width: 150px;
            height: 40px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 13px;
            transition: var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
            width: 200px;
        }
        .nav-search .btn-submit-nav {
            display: none;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            text-decoration: none;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(18, 59, 56, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-tag);
            white-space: nowrap;
            line-height: 1.5;
        }
        .badge-free {
            background: rgba(30, 117, 96, 0.1);
            color: var(--down);
        }
        .badge-hot {
            background: rgba(168, 63, 53, 0.1);
            color: var(--up);
        }
        .badge-new {
            background: rgba(197, 122, 56, 0.15);
            color: var(--accent);
        }
        .badge-up {
            background: rgba(168, 63, 53, 0.1);
            color: var(--up);
            font-family: var(--font-mono);
        }
        .badge-down {
            background: rgba(30, 117, 96, 0.1);
            color: var(--down);
            font-family: var(--font-mono);
        }
        .badge-search {
            background: rgba(18, 59, 56, 0.08);
            color: var(--primary);
        }

        /* Sections */
        .section {
            padding: 56px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-soft);
            margin-bottom: 24px;
            max-width: 720px;
        }

        /* Category Hero */
        .category-hero {
            padding: 36px 0 0;
        }
        .category-hero .hero-inner {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            box-shadow: var(--shadow-sm);
        }
        .category-hero .hero-text {
            flex: 1 1 380px;
        }
        .category-hero .hero-visual {
            flex: 0 1 280px;
            min-width: 220px;
        }
        .category-hero .hero-visual img {
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-soft);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tags .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-tag);
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
        }
        .filter-tags .filter-tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(18, 59, 56, 0.04);
        }
        .filter-tags .filter-tag.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* Site List Cards */
        .site-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .site-card-horizontal {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
        }
        .site-card-horizontal:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .site-card-horizontal .site-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-heading);
        }
        .site-card-horizontal .site-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .site-card-horizontal .site-info {
            flex: 1;
            min-width: 0;
        }
        .site-card-horizontal .site-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            text-decoration: none;
        }
        .site-card-horizontal .site-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .site-card-horizontal .site-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .site-card-horizontal .site-tags .badge {
            font-size: 11px;
            padding: 2px 8px;
        }
        .site-card-horizontal .site-link {
            margin-left: auto;
            flex-shrink: 0;
            align-self: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            white-space: nowrap;
        }
        .site-card-horizontal .site-link:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }

        /* Search Row */
        .search-row-box {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .search-row-box .search-row-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }
        .search-row-box .search-input-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-row-box input[type="text"] {
            flex: 1;
            min-width: 200px;
            height: 46px;
            padding: 0 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 14px;
            transition: var(--transition);
        }
        .search-row-box input[type="text"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
        }
        .search-row-box .btn {
            height: 46px;
        }
        .search-hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        .search-hot-tags .badge {
            cursor: pointer;
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text-soft);
            font-weight: 500;
            padding: 5px 14px;
        }
        .search-hot-tags .badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(18, 59, 56, 0.04);
        }

        /* Notice Box */
        .notice-box {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-alt);
            border-left: 3px solid var(--primary);
            border-radius: var(--radius-card);
            padding: 20px 24px;
        }
        .notice-box .notice-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
        }
        .notice-box .notice-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .notice-box .notice-content p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--primary);
            flex-shrink: 0;
            transition: var(--transition);
            line-height: 1;
        }
        .faq-item[open] summary::after {
            content: '−';
            color: var(--accent);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* Cross Entry */
        .cross-entry {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: stretch;
        }
        .cross-entry .entry-card {
            flex: 1 1 260px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .cross-entry .entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .cross-entry .entry-card .entry-icon {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }
        .cross-entry .entry-card .entry-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
        }
        .cross-entry .entry-card .entry-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* News List */
        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            text-decoration: none;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card .news-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .news-card .news-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .news-card .news-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            text-decoration: none;
            line-height: 1.5;
        }
        .news-card .news-title:hover {
            color: var(--accent);
        }
        .news-card .news-summary {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: auto;
        }
        .news-card .news-meta .badge {
            font-size: 11px;
            padding: 2px 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 24px;
            border-top: 1px solid var(--border);
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            text-decoration: none;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }
        .copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
            line-height: 1.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .news-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-list-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: flex;
                order: 2;
                margin-left: auto;
            }
            .nav-search {
                display: none;
            }
            .nav-links {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                z-index: 999;
                box-shadow: var(--shadow-md);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 14px 12px;
                font-size: 18px;
                border-radius: 0;
                border-bottom: 1px solid var(--border);
                text-align: left;
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-links a.active {
                background: var(--primary);
                color: var(--white);
                border-bottom-color: var(--primary);
            }
            .category-hero .hero-inner {
                flex-direction: column;
                padding: 24px;
            }
            .category-hero .hero-visual {
                flex: 1 1 auto;
                width: 100%;
                max-width: 100%;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .site-list-grid {
                grid-template-columns: 1fr;
            }
            .news-list-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 40px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .cross-entry {
                flex-direction: column;
            }
            .search-row-box .search-input-group {
                flex-direction: column;
            }
            .search-row-box .btn {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .category-hero .hero-inner {
                padding: 16px;
            }
            .section {
                padding: 32px 0;
            }
            .section-sm {
                padding: 24px 0;
            }
            .site-card-horizontal {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px;
            }
            .site-card-horizontal .site-link {
                margin-left: 0;
                align-self: flex-start;
            }
            .footer-links {
                gap: 10px;
            }
            .footer-links a {
                font-size: 12px;
            }
            .footer-brand {
                font-size: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #123B38;
            --primary-dark: #0C2B29;
            --primary-light: #1E504B;
            --accent: #C57A38;
            --accent-light: #D99A5B;
            --up: #A83F35;
            --down: #1E7560;
            --bg: #F5F1EA;
            --bg-alt: #EEF2EF;
            --card: #FFFDF8;
            --border: #E6DED2;
            --text: #1C1C1C;
            --text-soft: #5A5A52;
            --text-muted: #8A8478;
            --white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-sm: 0 2px 12px rgba(18, 59, 56, 0.06);
            --shadow-md: 0 8px 24px rgba(18, 59, 56, 0.12);
            --shadow-lg: 0 16px 40px rgba(18, 59, 56, 0.16);
            --font-heading: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition: all 0.25s ease;
            --nav-height: 68px;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(18, 59, 56, 0.3);
            text-underline-offset: 3px;
            transition: var(--transition);
        }
        a:hover {
            text-decoration-color: var(--accent);
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
            transition: var(--transition);
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 15px;
            color: var(--text);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 241, 234, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .nav-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-decoration: none;
            gap: 2px;
            flex-shrink: 0;
            min-width: 180px;
        }
        .nav-logo .logo-main {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.25;
            text-decoration: none;
        }
        .nav-logo .logo-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            line-height: 1.2;
            text-decoration: none;
        }
        .nav-logo:hover .logo-main {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(18, 59, 56, 0.06);
        }
        .nav-links a.active {
            color: var(--white);
            background: var(--primary);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 1;
            min-width: 160px;
        }
        .nav-search input {
            width: 150px;
            height: 40px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 13px;
            transition: var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
            width: 200px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.5;
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: rgba(18, 59, 56, 0.08);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
            border: 1px solid var(--accent);
        }
        .btn-accent:hover {
            background: #A9682E;
            border-color: #A9682E;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-btn);
            background: transparent;
            border: 1px solid var(--border);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Category Hero */
        .category-hero {
            padding: 40px 0 32px;
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(18,59,56,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .separator {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--text-soft);
            font-weight: 500;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-soft);
            max-width: 780px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Section base */
        .section {
            padding: 48px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-soft);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        /* Tool cards */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(18, 59, 56, 0.2);
            transform: translateY(-3px);
        }
        .tool-card-top {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .tool-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-card);
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border);
            background: var(--bg-alt);
        }
        .tool-card-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tool-card-title {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .tool-card-desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .tool-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .tool-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background: rgba(18, 59, 56, 0.07);
            color: var(--primary);
            white-space: nowrap;
        }
        .tool-tag.hot {
            background: rgba(168, 63, 53, 0.1);
            color: var(--up);
        }
        .tool-tag.free {
            background: rgba(30, 117, 96, 0.1);
            color: var(--down);
        }
        .tool-tag.new {
            background: rgba(197, 122, 56, 0.12);
            color: var(--accent);
        }
        .tool-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .tool-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .tool-card-link:hover {
            color: var(--accent);
        }
        .tool-card-status {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Filter tags */
        .filter-bar {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
        }
        .filter-bar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-soft);
            margin-bottom: 10px;
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: var(--radius-tag);
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-soft);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .filter-tag:hover,
        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
        }

        /* Search bar */
        .search-section {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
        }
        .search-section-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .search-section-desc {
            font-size: 14px;
            color: var(--text-soft);
            margin-bottom: 16px;
        }
        .search-bar-row {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .search-bar-row input {
            flex: 1;
            min-width: 220px;
            height: 46px;
            padding: 0 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 14px;
            transition: var(--transition);
        }
        .search-bar-row input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(18, 59, 56, 0.08);
            outline: none;
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .news-card-title {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .news-card-title a {
            color: var(--text);
            text-decoration: none;
        }
        .news-card-title a:hover {
            color: var(--accent);
        }
        .news-card-desc {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Info section */
        .info-section {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
        }
        .info-section h2 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .info-section ul {
            padding-left: 20px;
            margin-bottom: 0;
        }
        .info-section li {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 6px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Cross entry */
        .cross-entry {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .cross-entry-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
            text-decoration: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .cross-entry-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(18, 59, 56, 0.2);
        }
        .cross-entry-card h3 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0;
        }
        .cross-entry-card p {
            font-size: 13px;
            color: var(--text-soft);
            margin-bottom: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 40px 0 28px;
            margin-top: 0;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: 18px;
            align-items: center;
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.03em;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            justify-content: center;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        .copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Mobile nav drawer */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-nav-overlay.active {
            display: block;
            opacity: 1;
        }
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100%;
            background: var(--bg);
            z-index: 1001;
            padding: 24px 20px;
            transition: right 0.35s ease;
            display: flex;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }
        .mobile-nav-drawer.active {
            right: 0;
        }
        .mobile-nav-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .mobile-nav-drawer .drawer-close {
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 8px;
        }
        .mobile-nav-drawer .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-nav-drawer .drawer-links a {
            display: block;
            padding: 12px 14px;
            font-size: 18px;
            font-weight: 500;
            color: var(--text);
            text-decoration: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
        }
        .mobile-nav-drawer .drawer-links a:hover,
        .mobile-nav-drawer .drawer-links a.active {
            background: var(--primary);
            color: var(--white);
        }
        .mobile-nav-drawer .drawer-search {
            display: flex;
            gap: 8px;
        }
        .mobile-nav-drawer .drawer-search input {
            flex: 1;
            height: 42px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: var(--white);
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .cross-entry {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 36px 0;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .category-hero {
                padding: 28px 0 24px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .search-bar-row {
                flex-direction: column;
                align-items: stretch;
            }
            .search-bar-row .btn {
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .nav-logo .logo-main {
                font-size: 14px;
            }
            .nav-logo .logo-sub {
                font-size: 10px;
            }
            .tool-card {
                padding: 16px;
            }
            .tool-card-top {
                flex-direction: column;
            }
            .info-section {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding-bottom: 14px;
            }
        }