/* roulang page: index */
:root {
        --primary: #0C4A33;
        --primary-hover: #0a3d2a;
        --primary-light: rgba(12,74,51,0.06);
        --accent: #B8E33B;
        --accent-soft: rgba(184,227,59,0.18);
        --highlight: #FF7A1A;
        --highlight-soft: rgba(255,122,26,0.12);
        --bg: #F5F7F2;
        --dark-bg: #12211C;
        --card-bg: #FFFFFF;
        --text: #17211D;
        --text-muted: #5F6F67;
        --text-light: #AFC2BA;
        --border: #D8E2DA;
        --radius-card: 16px;
        --radius-btn: 10px;
        --radius-sm: 8px;
        --radius-pill: 999px;
        --shadow-card: 0 6px 20px rgba(12,74,51,0.06);
        --shadow-hover: 0 12px 32px rgba(12,74,51,0.12);
        --shadow-dark: 0 10px 30px rgba(0,0,0,0.18);
        --font-title: 'PingFang SC','Microsoft YaHei','SimHei',sans-serif;
        --font-body: system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
        --container: 1200px;
        --pad-section: 72px;
        --gap-card: 24px;
        --transition: all .25s ease;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: var(--font-body);
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input, select, textarea { font-family: inherit; font-size: 1rem; }
    ul, ol { list-style: none; }
    .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
    .visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
    /* ===== Header & Nav ===== */
    .site-header {
        position: sticky; top: 0; z-index: 1000;
        background: rgba(255,255,255,0.94);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        height: 72px;
    }
    .header-inner {
        display: flex; align-items: center; justify-content: space-between;
        height: 72px; gap: 24px;
    }
    .logo {
        display: flex; flex-direction: column;
        line-height: 1.2; min-width: 180px;
    }
    .logo-main {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 17px;
        color: var(--primary);
        letter-spacing: .3px;
    }
    .logo-sub {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 400;
    }
    .nav-desktop {
        display: flex; align-items: center; gap: 8px;
    }
    .nav-link {
        position: relative;
        padding: 8px 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        border-radius: 6px;
        white-space: nowrap;
    }
    .nav-link:hover { background: var(--primary-light); color: var(--primary); }
    .nav-link.active { color: var(--primary); }
    .nav-link.active::after {
        content: '';
        position: absolute; left: 14px; right: 14px; bottom: -2px;
        height: 2px; background: var(--accent); border-radius: 2px;
    }
    .nav-link:focus-visible, .btn:focus-visible, .search-btn:focus-visible, .faq-btn:focus-visible, .tag-filter:focus-visible {
        outline: 3px solid rgba(184,227,59,0.8);
        outline-offset: 2px;
    }
    .menu-toggle {
        display: none;
        flex-direction: column; justify-content: center; gap: 5px;
        width: 44px; height: 44px; border-radius: 10px;
        background: var(--primary-light); padding: 10px;
    }
    .menu-toggle span {
        display: block; height: 2px; width: 100%;
        background: var(--primary); border-radius: 2px;
        transition: var(--transition);
    }
    .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.open span:nth-child(2) { opacity: 0; }
    .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-menu {
        display: none;
        position: absolute; top: 72px; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px;
        box-shadow: var(--shadow-card);
    }
    .mobile-menu.open { display: block; }
    .mobile-menu .nav-link {
        display: block; padding: 12px 16px; font-size: 16px;
    }
    /* ===== Hero ===== */
    .hero {
        position: relative;
        background: linear-gradient(135deg, #F8FBF5 0%, #EAF2E7 100%);
        overflow: hidden;
        padding: 60px 0 72px;
    }
    .hero::before {
        content: '';
        position: absolute; top: -100px; right: -80px;
        width: 360px; height: 360px; border-radius: 50%;
        background: rgba(184,227,59,0.15);
        pointer-events: none;
    }
    .hero-grid {
        display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
        position: relative; z-index: 1;
    }
    .hero-content .eyebrow {
        display: inline-flex; align-items: center; gap: 8px;
        background: var(--accent-soft);
        color: var(--primary);
        font-size: 13px; font-weight: 600;
        padding: 6px 12px; border-radius: var(--radius-pill);
        margin-bottom: 16px;
    }
    .hero-content h1 {
        font-family: var(--font-title);
        font-size: 36px; line-height: 1.25; font-weight: 700;
        color: var(--primary); margin-bottom: 16px;
        letter-spacing: .5px;
    }
    .hero-content .hero-sub {
        font-size: 17px; color: var(--text-muted);
        max-width: 560px; margin-bottom: 28px;
    }
    .search-box-wrap {
        display: flex; align-items: center; gap: 0;
        max-width: 620px; background: #fff;
        border-radius: var(--radius-pill);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border);
        overflow: hidden;
        height: 56px;
        transition: var(--transition);
        margin-bottom: 16px;
    }
    .search-box-wrap:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(184,227,59,0.35);
    }
    .search-icon {
        display: flex; align-items: center; justify-content: center;
        width: 56px; min-width: 56px; color: var(--text-muted);
    }
    .search-icon svg { width: 20px; height: 20px; }
    .search-input {
        flex: 1; border: none; outline: none;
        font-size: 15px; color: var(--text);
        background: transparent; height: 100%;
        padding: 0 12px 0 4px;
    }
    .search-btn {
        height: 44px; padding: 0 22px; margin-right: 6px;
        background: var(--primary); color: #fff;
        font-weight: 600; font-size: 15px;
        border-radius: var(--radius-pill);
        transition: var(--transition);
        white-space: nowrap;
    }
    .search-btn:hover { background: var(--primary-hover); transform: translateY(-1px); }
    .search-btn:active { transform: translateY(0); box-shadow: none; }
    .hero-tags {
        display: flex; flex-wrap: wrap; gap: 8px;
    }
    .hero-tag {
        padding: 6px 14px; background: #fff;
        border: 1px solid var(--border); border-radius: var(--radius-pill);
        font-size: 13px; color: var(--text); cursor: pointer;
        transition: var(--transition);
    }
    .hero-tag:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
    .hero-visual {
        position: relative;
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-hover);
        background: #fff;
        border: 1px solid var(--border);
    }
    .hero-visual img {
        width: 100%; height: 380px; object-fit: cover;
        display: block;
    }
    .hero-visual::after {
        content: '免费网页 · 百度搜索 · 游戏入口';
        position: absolute; bottom: 16px; left: 16px;
        background: rgba(12,74,51,0.85); color: #fff;
        font-size: 13px; font-weight: 500;
        padding: 6px 14px; border-radius: 20px;
        backdrop-filter: blur(4px);
    }
    /* ===== Common Sections ===== */
    section { padding: var(--pad-section) 0; }
    .section-alternate { background: #fff; }
    .section-dark { background: var(--dark-bg); color: #EAF2E7; }
    .section-head { margin-bottom: 40px; max-width: 720px; }
    .section-head .section-eyebrow {
        display: inline-block; font-size: 13px; font-weight: 600;
        color: var(--highlight); text-transform: uppercase;
        letter-spacing: 1px; margin-bottom: 10px;
    }
    .section-head h2 {
        font-family: var(--font-title);
        font-size: 28px; line-height: 1.3; font-weight: 700;
        color: var(--primary);
    }
    .section-dark .section-head h2 { color: #fff; }
    .section-head p { color: var(--text-muted); margin-top: 12px; font-size: 16px; }
    .section-dark .section-head p { color: var(--text-light); }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-card); }
    .card {
        background: var(--card-bg);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        padding: 24px;
        transition: var(--transition);
        border: 1px solid var(--border);
    }
    .card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
    }
    .card-icon {
        width: 48px; height: 48px; border-radius: 12px;
        display: flex; align-items: center; justify-content: center;
        background: var(--accent-soft); color: var(--primary);
        font-size: 22px; font-weight: 700; margin-bottom: 16px;
    }
    .card h3 {
        font-family: var(--font-title);
        font-size: 19px; font-weight: 600; color: var(--primary);
        margin-bottom: 10px; line-height: 1.4;
    }
    .card p { color: var(--text-muted); font-size: 15px; line-height: 1.6; }
    .btn {
        display: inline-flex; align-items: center; justify-content: center;
        padding: 12px 24px; border-radius: var(--radius-btn);
        font-weight: 600; font-size: 15px; line-height: 1.2;
        transition: var(--transition); border: 1px solid transparent;
        gap: 8px; white-space: nowrap;
    }
    .btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
    .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-card); }
    .btn-primary:active { transform: translateY(1px); box-shadow: none; }
    .btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
    .btn-secondary:hover { background: var(--primary-light); transform: translateY(-2px); }
    .btn-accent { background: var(--highlight); color: #fff; border-color: var(--highlight); }
    .btn-accent:hover { background: #e56a0a; transform: translateY(-2px); box-shadow: var(--shadow-card); }
    .badge {
        display: inline-flex; align-items: center; padding: 3px 10px;
        border-radius: 6px; font-size: 12px; font-weight: 600; line-height: 1.6;
        background: var(--accent-soft); color: var(--primary);
    }
    .badge-free { background: var(--highlight); color: #fff; }
    .badge-hot { background: rgba(255,122,26,0.15); color: #b84f00; }
    .badge-editor { background: rgba(184,227,59,0.25); color: #2f5500; }
    /* ===== Quick Search Bar ===== */
    .quick-bar { padding: 24px 0 8px; background: #fff; border-bottom: 1px solid var(--border); }
    .quick-inner {
        display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
        max-width: var(--container); margin: 0 auto; padding: 0 24px;
    }
    .quick-chip {
        display: flex; align-items: center; gap: 8px;
        padding: 10px 20px; background: var(--bg);
        border: 1px solid var(--border); border-radius: var(--radius-pill);
        font-size: 14px; font-weight: 500; color: var(--text);
        transition: var(--transition); cursor: pointer;
    }
    .quick-chip:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
    .quick-chip span { font-size: 18px; }
    /* ===== Category Entrance ===== */
    .category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
    .category-card {
        background: var(--card-bg);
        border-radius: var(--radius-card);
        padding: 28px 22px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-card);
        transition: var(--transition);
        text-align: left;
        display: flex; flex-direction: column; gap: 12px;
        position: relative; overflow: hidden;
    }
    .category-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        border-color: var(--primary);
    }
    .category-card .cat-icon {
        width: 52px; height: 52px; border-radius: 14px;
        background: var(--accent-soft); color: var(--primary);
        display: flex; align-items: center; justify-content: center;
        font-size: 24px; font-weight: 700;
    }
    .category-card h3 {
        font-family: var(--font-title);
        font-size: 19px; color: var(--primary); font-weight: 700;
    }
    .category-card p { color: var(--text-muted); font-size: 14px; line-height: 1.6; flex: 1; }
    .category-card .cat-link {
        display: inline-flex; align-items: center; gap: 6px;
        font-weight: 600; color: var(--primary); font-size: 14px;
    }
    .category-card .cat-link:hover { color: var(--highlight); }
    /* ===== Search Engine Area ===== */
    .search-engine-card {
        background: #fff; border-radius: var(--radius-card);
        box-shadow: var(--shadow-card); border: 1px solid var(--border);
        padding: 32px; display: flex; flex-wrap: wrap; gap: 32px; align-items: center;
    }
    .search-engine-left { flex: 2; min-width: 280px; }
    .search-engine-left h3 { font-size: 22px; color: var(--primary); margin-bottom: 16px; }
    .search-suggestion-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .search-suggestion {
        padding: 6px 14px; background: var(--bg); border: 1px solid var(--border);
        border-radius: var(--radius-pill); font-size: 13px; cursor: pointer;
        transition: var(--transition);
    }
    .search-suggestion:hover { background: var(--accent-soft); border-color: var(--primary); }
    .search-engine-right { flex: 1; min-width: 220px; background: var(--bg); border-radius: 12px; padding: 24px; text-align: center; }
    .search-engine-right h4 { color: var(--primary); margin-bottom: 12px; font-size: 17px; }
    .short-tip { display: block; margin: 8px 0; color: var(--text-muted); font-size: 14px; }
    /* ===== Game Cards ===== */
    .game-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
    .game-card {
        background: #fff; border-radius: var(--radius-card); overflow: hidden;
        box-shadow: var(--shadow-card); border: 1px solid var(--border);
        transition: var(--transition);
    }
    .game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
    .game-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #d9e2dd; }
    .game-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
    .game-card:hover .game-cover img { transform: scale(1.05); }
    .game-badge {
        position: absolute; top: 10px; left: 10px;
        background: var(--highlight); color: #fff;
        font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 6px;
        z-index: 2;
    }
    .game-info { padding: 16px; }
    .game-info h3 { font-size: 17px; color: var(--primary); margin-bottom: 6px; font-weight: 600; }
    .game-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-muted); }
    .game-heat { display: inline-flex; align-items: center; margin-left: auto; color: var(--highlight); font-weight: 600; }
    /* ===== URL Category Area ===== */
    .url-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
    .tag-filter {
        padding: 8px 18px; background: #fff; border: 1px solid var(--border);
        border-radius: var(--radius-pill); font-size: 14px; font-weight: 500;
        color: var(--text); cursor: pointer; transition: var(--transition);
    }
    .tag-filter.active { background: var(--primary); color: #fff; border-color: var(--primary); }
    .tag-filter:hover:not(.active) { border-color: var(--primary); color: var(--primary); }
    .url-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
    .url-item {
        background: #fff; border: 1px solid var(--border); border-radius: 12px;
        padding: 16px 10px; text-align: center; transition: var(--transition);
    }
    .url-item:hover { border-color: var(--primary); box-shadow: var(--shadow-card); }
    .url-item .url-icon { font-size: 24px; margin-bottom: 8px; }
    .url-item a { font-size: 13px; color: var(--text); font-weight: 500; }
    .url-item a:hover { color: var(--primary); }
    .url-item .url-desc { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
    /* ===== Editor Recommendation ===== */
    .editor-list { display: flex; flex-direction: column; gap: 12px; }
    .editor-item {
        background: #fff; border-radius: var(--radius-card); border: 1px solid var(--border);
        box-shadow: var(--shadow-card); padding: 18px 20px;
        display: flex; align-items: center; gap: 16px; transition: var(--transition);
    }
    .editor-item:hover { box-shadow: var(--shadow-hover); transform: translateX(4px); }
    .editor-item .thumb {
        width: 80px; height: 60px; border-radius: var(--radius-sm);
        background: #d9e2dd; overflow: hidden; flex-shrink: 0;
    }
    .editor-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
    .editor-content { flex: 1; min-width: 0; }
    .editor-content h3 { font-size: 16px; font-weight: 600; color: var(--primary); margin-bottom: 4px; }
    .editor-content p { font-size: 13px; color: var(--text-muted); }
    .editor-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-muted); margin-top: 6px; }
    /* ===== Search Tips ===== */
    .tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .tip-card {
        background: #fff; border-radius: var(--radius-card); padding: 22px;
        border-left: 4px solid var(--accent); box-shadow: var(--shadow-card);
        transition: var(--transition);
    }
    .tip-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .tip-card .tip-command {
        display: inline-block; background: var(--bg); padding: 4px 10px;
        border-radius: 6px; font-family: monospace; font-size: 13px;
        color: var(--primary); margin-bottom: 12px;
    }
    .tip-card h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
    .tip-card p { font-size: 14px; color: var(--text-muted); }
    /* ===== Ranking ===== */
    .ranking-list { display: flex; flex-direction: column; gap: 12px; }
    .rank-item {
        display: flex; align-items: center; gap: 16px;
        background: #fff; border-radius: var(--radius-card);
        border: 1px solid var(--border); box-shadow: var(--shadow-card);
        padding: 16px 20px; transition: var(--transition);
    }
    .rank-item:hover { box-shadow: var(--shadow-hover); }
    .rank-number {
        width: 36px; height: 36px; border-radius: 50%;
        background: var(--bg); color: var(--text-muted);
        display: flex; align-items: center; justify-content: center;
        font-weight: 700; font-size: 16px; flex-shrink: 0;
    }
    .rank-item:nth-child(1) .rank-number { background: #FFD700; color: #7a5900; }
    .rank-item:nth-child(2) .rank-number { background: #C0C0C0; color: #2d2d2d; }
    .rank-item:nth-child(3) .rank-number { background: #CD7F32; color: #fff; }
    .rank-info { flex: 1; min-width: 0; }
    .rank-info h3 { font-size: 16px; color: var(--primary); margin-bottom: 2px; }
    .rank-info .rank-meta { font-size: 13px; color: var(--text-muted); }
    .rank-heat { font-weight: 600; color: var(--highlight); white-space: nowrap; }
    /* ===== News / CMS Section ===== */
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .news-card {
        background: #fff; border-radius: var(--radius-card); overflow: hidden;
        border: 1px solid var(--border); box-shadow: var(--shadow-card);
        transition: var(--transition);
    }
    .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .news-card-body { padding: 20px; }
    .news-card h3 { font-size: 17px; font-weight: 600; color: var(--primary); margin-bottom: 10px; line-height: 1.5; }
    .news-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }
    .news-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-muted); }
    .empty-state { text-align: center; color: var(--text-muted); padding: 32px; background: #fff; border-radius: var(--radius-card); border: 1px dashed var(--border); }
    /* ===== Safety Tips ===== */
    .safety-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
    .safety-card {
        background: #fff; border-radius: var(--radius-card);
        padding: 24px; text-align: center; box-shadow: var(--shadow-card);
        border: 1px solid var(--border); transition: var(--transition);
    }
    .safety-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .safety-icon { font-size: 28px; margin-bottom: 12px; display: block; }
    .safety-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; font-weight: 600; }
    .safety-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
    /* ===== Stats ===== */
    .stats-band { background: var(--primary); color: #fff; padding: 56px 0; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
    .stat-item .stat-number { font-size: 36px; font-weight: 700; font-family: var(--font-title); color: var(--accent); }
    .stat-item .stat-label { font-size: 14px; color: var(--text-light); margin-top: 8px; }
    /* ===== Testimonials ===== */
    .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .testimonial-card {
        background: #fff; border-radius: var(--radius-card);
        padding: 24px; box-shadow: var(--shadow-card);
        border: 1px solid var(--border); transition: var(--transition);
    }
    .testimonial-card:hover { box-shadow: var(--shadow-hover); }
    .testimonial-text { font-size: 15px; color: var(--text); line-height: 1.7; margin-bottom: 16px; }
    .testimonial-author { display: flex; align-items: center; gap: 12px; }
    .testimonial-author .avatar {
        width: 40px; height: 40px; border-radius: 50%;
        background: var(--accent-soft); display: flex; align-items: center; justify-content: center;
        color: var(--primary); font-weight: 700;
    }
    .testimonial-author .name { font-weight: 600; font-size: 14px; color: var(--primary); }
    .testimonial-author .src { font-size: 12px; color: var(--text-muted); }
    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--primary) 0%, #0b3f2c 100%);
        color: #fff; border-radius: 24px;
        padding: 56px 48px; text-align: center;
        margin: 0 24px;
    }
    .cta-section h2 { font-size: 26px; margin-bottom: 16px; font-family: var(--font-title); }
    .cta-section p { color: rgba(255,255,255,0.8); margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
    .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    /* ===== FAQ ===== */
    .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item {
        background: #fff; border-radius: var(--radius-card);
        border: 1px solid var(--border); box-shadow: var(--shadow-card);
        overflow: hidden;
    }
    .faq-question {
        display: flex; justify-content: space-between; align-items: center;
        padding: 18px 24px; cursor: pointer; text-align: left;
        font-weight: 600; font-size: 16px; color: var(--primary);
        width: 100%;
    }
    .faq-question .faq-icon {
        font-size: 24px; line-height: 1; transition: transform .3s ease;
        color: var(--text-muted); flex-shrink: 0;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary); }
    .faq-answer {
        max-height: 0; overflow: hidden;
        transition: max-height .4s ease, padding .4s ease;
        padding: 0 24px;
    }
    .faq-item.open .faq-answer {
        max-height: 200px; padding: 0 24px 20px;
    }
    .faq-answer p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }
    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark-bg);
        color: var(--text-light);
        margin-top: 80px;
    }
    .footer-inner {
        padding: 64px 24px 32px;
        max-width: var(--container); margin: 0 auto;
        display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
    }
    .footer-brand .logo-main { color: #fff; }
    .footer-brand .logo-sub { color: var(--text-light); }
    .footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.7; color: var(--text-light); }
    .footer-col h4 { font-size: 16px; color: #fff; margin-bottom: 16px; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col a { color: var(--text-light); font-size: 14px; }
    .footer-col a:hover { color: var(--accent); }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding: 20px 24px; text-align: center;
        font-size: 13px; color: var(--text-light);
        max-width: var(--container); margin: 0 auto;
    }
    /* ===== Toast ===== */
    .toast {
        position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
        background: var(--primary); color: #fff;
        padding: 12px 24px; border-radius: 30px;
        font-size: 14px; box-shadow: var(--shadow-dark);
        opacity: 0; pointer-events: none; transition: opacity .3s ease, transform .3s ease;
        z-index: 2000;
    }
    .toast.show { opacity: 1; transform: translateX(-50%) translateY(-8px); }
    /* ===== Responsive ===== */
    @media (max-width: 1280px) {
        .game-gallery, .url-grid, .category-grid { grid-template-columns: repeat(3, 1fr); }
        .news-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 1024px) {
        .hero-grid { grid-template-columns: 1fr; gap: 32px; }
        .hero-content h1 { font-size: 30px; }
        .grid-4, .safety-grid, .stats-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
        .category-grid { grid-template-columns: repeat(2, 1fr); }
        .game-gallery, .url-grid { grid-template-columns: repeat(2, 1fr); }
        .tips-grid { grid-template-columns: 1fr; }
        .footer-inner { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        :root { --pad-section: 48px; }
        .nav-desktop { display: none; }
        .menu-toggle { display: flex; }
        .mobile-menu { display: none; }
        .mobile-menu.open { display: block; }
        .hero { padding: 40px 0 56px; }
        .hero-content h1 { font-size: 26px; }
        .search-box-wrap { height: 48px; }
        .search-btn { height: 40px; padding: 0 16px; font-size: 14px; }
        .section-head h2 { font-size: 24px; }
        .grid-4, .grid-3, .grid-2, .safety-grid, .stats-grid, .testimonial-grid, .category-grid, .game-gallery, .url-grid, .news-grid { grid-template-columns: 1fr; }
        .url-grid { grid-template-columns: repeat(2, 1fr); }
        .editor-item { flex-direction: column; align-items: flex-start; }
        .editor-item .thumb { width: 100%; height: 140px; }
        .cta-section { padding: 40px 24px; }
        .footer-inner { grid-template-columns: 1fr; gap: 32px; }
        .rank-item { flex-wrap: wrap; }
    }
    @media (max-width: 520px) {
        .hero-content h1 { font-size: 22px; }
        .hero-tags { gap: 6px; }
        .search-btn { padding: 0 14px; }
        .url-grid { grid-template-columns: 1fr; }
        .quick-inner { padding: 0 16px; }
    }

/* roulang page: article */
:root {
            --primary: #0C4A33;
            --primary-hover: #0a3d2a;
            --primary-light: rgba(12,74,51,0.06);
            --accent: #B8E33B;
            --accent-soft: rgba(184,227,59,0.18);
            --highlight: #FF7A1A;
            --highlight-soft: rgba(255,122,26,0.12);
            --bg: #F5F7F2;
            --dark-bg: #12211C;
            --card-bg: #FFFFFF;
            --text: #17211D;
            --text-muted: #5F6F67;
            --text-light: #AFC2BA;
            --border: #D8E2DA;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 20px rgba(12,74,51,0.06);
            --shadow-hover: 0 12px 32px rgba(12,74,51,0.12);
            --shadow-dark: 0 10px 30px rgba(0,0,0,0.18);
            --font-title: 'PingFang SC','Microsoft YaHei','SimHei',sans-serif;
            --font-body: system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
            --container: 1200px;
            --pad-section: 48px;
            --gap-card: 24px;
            --transition: all .25s ease;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, select, textarea { font-family: inherit; font-size: 1rem; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        /* Header & Nav */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 72px;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; gap: 24px;
        }
        .logo { display: flex; flex-direction: column; line-height: 1.2; min-width: 180px; }
        .logo-main {
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 17px;
            color: var(--primary);
            letter-spacing: .3px;
        }
        .logo-sub { font-size: 12px; color: var(--text-muted); font-weight: 400; }
        .nav-desktop { display: flex; align-items: center; gap: 8px; }
        .nav-link {
            position: relative;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            white-space: nowrap;
        }
        .nav-link:hover { background: var(--primary-light); color: var(--primary); }
        .nav-link.active { color: var(--primary); }
        .nav-link.active::after {
            content: '';
            position: absolute; left: 14px; right: 14px; bottom: -2px;
            height: 2px; background: var(--accent); border-radius: 2px;
        }
        .nav-link:focus-visible, .btn:focus-visible, .search-btn:focus-visible, .faq-btn:focus-visible {
            outline: 3px solid rgba(184,227,59,0.8);
            outline-offset: 2px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column; justify-content: center; gap: 5px;
            width: 44px; height: 44px; border-radius: 10px;
            background: var(--primary-light); padding: 10px;
        }
        .menu-toggle span {
            display: block; height: 2px; width: 100%;
            background: var(--primary); border-radius: 2px;
            transition: var(--transition);
        }
        .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.open span:nth-child(2) { opacity: 0; }
        .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .mobile-menu {
            display: none;
            position: absolute; top: 72px; left: 0; right: 0;
            background: #fff; border-bottom: 1px solid var(--border);
            padding: 16px 24px 24px;
            box-shadow: var(--shadow-card);
        }
        .mobile-menu.open { display: block; }
        .mobile-menu .nav-link { display: block; padding: 12px 16px; font-size: 16px; }

        /* Article Page Layout */
        .article-main { padding: 32px 0 0; }
        .breadcrumb-section { padding: 16px 0; background: transparent; }
        .breadcrumb-nav { font-size: 14px; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
        .breadcrumb-nav a { color: var(--primary); }
        .breadcrumb-nav a:hover { text-decoration: underline; }
        .breadcrumb-nav span { color: var(--text-muted); }
        .breadcrumb-nav .current { color: var(--text); font-weight: 500; }

        .article-header-section { padding: 24px 0 32px; background: transparent; }
        .article-header-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
        .article-meta {
            display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
            font-size: 14px; color: var(--text-muted);
            margin-bottom: 16px;
        }
        .category-badge {
            display: inline-flex; align-items: center;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 13px; font-weight: 600;
            padding: 4px 12px; border-radius: var(--radius-pill);
        }
        .article-title {
            font-family: var(--font-title);
            font-size: 36px; line-height: 1.25; font-weight: 700;
            color: var(--primary); margin-bottom: 16px;
        }
        .article-title-sub {
            font-size: 17px; color: var(--text-muted); max-width: 720px;
        }
        .article-cover {
            margin-top: 24px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .article-cover img { width: 100%; height: auto; object-fit: cover; }

        .article-body-section { padding: 40px 0; background: transparent; }
        .article-body-container {
            max-width: 720px; margin: 0 auto 0 0;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px 48px;
        }
        .article-body-container h2, .article-body-container h3 {
            font-family: var(--font-title);
            color: var(--primary);
            margin-top: 24px; margin-bottom: 12px;
        }
        .article-body-container p { margin-bottom: 16px; color: var(--text); }
        .article-body-container ul, .article-body-container ol { margin: 16px 0; padding-left: 24px; }
        .article-body-container blockquote {
            border-left: 4px solid var(--accent);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text);
            margin: 20px 0;
        }
        .article-body-container img { border-radius: var(--radius-sm); margin: 16px 0; }
        .not-found-box {
            text-align: center; padding: 48px 24px;
        }
        .not-found-box h2 { font-size: 24px; margin-bottom: 16px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 24px; border-radius: var(--radius-btn);
            font-weight: 600; font-size: 15px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn-primary:active { transform: translateY(1px); box-shadow: none; }
        .btn-secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-secondary:hover { background: var(--primary-light); transform: translateY(-2px); }
        .btn-outline-light { background: transparent; color: var(--primary); border-color: var(--border); }
        .btn-outline-light:hover { background: var(--primary-light); }

        .article-tags-section { padding: 24px 0; background: transparent; }
        .article-tags-box {
            max-width: 720px; margin: 0 auto 0 0;
            display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
            padding: 16px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .tag-chip {
            display: inline-block; padding: 4px 12px;
            background: var(--accent-soft); color: var(--primary);
            border-radius: var(--radius-pill); font-size: 13px; font-weight: 500;
            transition: var(--transition);
        }
        .tag-chip:hover { background: var(--accent); color: var(--primary); }
        .share-group { display: flex; align-items: center; gap: 8px; margin-left: auto; }
        .share-btn {
            width: 36px; height: 36px; border-radius: 50%;
            background: var(--primary-light); color: var(--primary);
            display: inline-flex; align-items: center; justify-content: center;
            font-size: 16px; transition: var(--transition);
        }
        .share-btn:hover { background: var(--accent); color: var(--primary); transform: scale(1.05); }

        .related-articles-section { padding: 48px 0; background: transparent; }
        .section-title {
            font-family: var(--font-title);
            font-size: 26px; font-weight: 700;
            color: var(--primary); margin-bottom: 24px;
        }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: block;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .related-card img { width: 100%; height: 160px; object-fit: cover; }
        .related-card-body { padding: 16px 20px 20px; }
        .related-card h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
        .related-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }
        .related-card .meta { font-size: 12px; color: var(--text-light); }

        .back-actions-section { padding: 32px 0; background: transparent; }
        .back-actions-row { display: flex; gap: 16px; flex-wrap: wrap; }

        .subscribe-section { padding: 56px 0; background: var(--dark-bg); }
        .subscribe-inner {
            display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
        }
        .subscribe-content h2 { color: #fff; font-family: var(--font-title); font-size: 28px; margin-bottom: 12px; }
        .subscribe-content p { color: var(--text-light); margin-bottom: 24px; }
        .subscribe-form { background: #fff; border-radius: var(--radius-card); padding: 24px; }
        .subscribe-form .form-group { margin-bottom: 16px; }
        .subscribe-form label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; color: var(--text); }
        .subscribe-form input {
            width: 100%; padding: 12px 16px;
            border: 1px solid var(--border); border-radius: var(--radius-btn);
            background: #fff; color: var(--text);
            transition: var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(184,227,59,0.6);
            outline: none;
        }
        .subscribe-form button { width: 100%; }

        .faq-section { padding: 56px 0; background: transparent; }
        .faq-container { max-width: 720px; margin: 0 auto; }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .faq-btn {
            width: 100%; padding: 18px 24px;
            display: flex; justify-content: space-between; align-items: center;
            font-size: 16px; font-weight: 600; color: var(--text);
            text-align: left;
            transition: var(--transition);
        }
        .faq-btn:hover { background: var(--primary-light); color: var(--primary); }
        .faq-btn .icon { font-size: 20px; color: var(--primary); transition: var(--transition); }
        .faq-btn.open .icon { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0; overflow: hidden;
            transition: max-height .35s ease-out;
            padding: 0 24px;
            background: #fff;
        }
        .faq-answer.open { max-height: 300px; padding-bottom: 20px; }
        .faq-answer p { color: var(--text-muted); font-size: 15px; margin: 0; }

        /* Footer */
        .site-footer { background: var(--dark-bg); color: var(--text-light); padding: 56px 0 24px; margin-top: 32px; }
        .footer-inner {
            display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px; max-width: var(--container); margin: 0 auto; padding: 0 24px;
        }
        .footer-brand .logo-main { color: #fff; font-size: 20px; }
        .footer-brand .logo-sub { color: var(--text-light); }
        .footer-brand p { font-size: 14px; margin-top: 12px; line-height: 1.6; }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: var(--text-light); font-size: 14px; }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 40px; padding-top: 20px; text-align: center;
            font-size: 13px; color: var(--text-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .subscribe-inner { grid-template-columns: 1fr; gap: 32px; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            .nav-desktop { display: none; }
            .article-title { font-size: 28px; }
            .article-body-container { padding: 24px 20px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-meta { flex-direction: column; align-items: flex-start; }
            .share-group { margin-left: 0; width: 100%; justify-content: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-title { font-size: 24px; }
            .section-title { font-size: 22px; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .article-tags-box { flex-direction: column; align-items: flex-start; }
        }

/* roulang page: category1 */
:root {
        --primary: #0C4A33;
        --primary-hover: #0a3d2a;
        --primary-light: rgba(12,74,51,0.06);
        --accent: #B8E33B;
        --accent-soft: rgba(184,227,59,0.18);
        --highlight: #FF7A1A;
        --highlight-soft: rgba(255,122,26,0.12);
        --bg: #F5F7F2;
        --dark-bg: #12211C;
        --card-bg: #FFFFFF;
        --text: #17211D;
        --text-muted: #5F6F67;
        --text-light: #AFC2BA;
        --border: #D8E2DA;
        --radius-card: 16px;
        --radius-btn: 10px;
        --radius-sm: 8px;
        --radius-pill: 999px;
        --shadow-card: 0 6px 20px rgba(12,74,51,0.06);
        --shadow-hover: 0 12px 32px rgba(12,74,51,0.12);
        --shadow-dark: 0 10px 30px rgba(0,0,0,0.18);
        --font-title: 'PingFang SC','Microsoft YaHei','SimHei',sans-serif;
        --font-body: system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
        --container: 1200px;
        --pad-section: 72px;
        --gap-card: 24px;
        --transition: all .25s ease;
    }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: var(--font-body);
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input, select, textarea { font-family: inherit; font-size: 1rem; }
    .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

    /* ===== Header & Nav ===== */
    .site-header {
        position: sticky; top: 0; z-index: 1000;
        background: rgba(255,255,255,0.94);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        height: 72px;
    }
    .header-inner {
        display: flex; align-items: center; justify-content: space-between;
        height: 72px; gap: 24px;
    }
    .logo {
        display: flex; flex-direction: column;
        line-height: 1.2; min-width: 180px;
    }
    .logo-main {
        font-family: var(--font-title);
        font-weight: 700;
        font-size: 17px;
        color: var(--primary);
        letter-spacing: .3px;
    }
    .logo-sub {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 400;
    }
    .nav-desktop {
        display: flex; align-items: center; gap: 8px;
    }
    .nav-link {
        position: relative;
        padding: 8px 14px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        border-radius: 6px;
        white-space: nowrap;
    }
    .nav-link:hover { background: var(--primary-light); color: var(--primary); }
    .nav-link.active { color: var(--primary); }
    .nav-link.active::after {
        content: '';
        position: absolute; left: 14px; right: 14px; bottom: -2px;
        height: 2px; background: var(--accent); border-radius: 2px;
    }
    .nav-link:focus-visible, .btn:focus-visible, .search-btn:focus-visible, .faq-btn:focus-visible {
        outline: 3px solid rgba(184,227,59,0.8);
        outline-offset: 2px;
    }
    .menu-toggle {
        display: none;
        flex-direction: column; justify-content: center; gap: 5px;
        width: 44px; height: 44px; border-radius: 10px;
        background: var(--primary-light); padding: 10px;
    }
    .menu-toggle span {
        display: block; height: 2px; width: 100%;
        background: var(--primary); border-radius: 2px;
        transition: var(--transition);
    }
    .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.open span:nth-child(2) { opacity: 0; }
    .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-menu {
        display: none;
        position: absolute; top: 72px; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px;
        box-shadow: var(--shadow-card);
    }
    .mobile-menu.open { display: block; }
    .mobile-menu .nav-link {
        display: block; padding: 12px 16px; font-size: 16px;
    }

    /* ===== Category Hero ===== */
    .cat-hero {
        position: relative;
        background: linear-gradient(135deg, #F8FBF5 0%, #EAF2E7 100%);
        padding: 64px 0 56px;
        overflow: hidden;
    }
    .cat-hero::before {
        content: '';
        position: absolute; top: -80px; right: -60px;
        width: 320px; height: 320px; border-radius: 50%;
        background: rgba(184,227,59,0.14);
        pointer-events: none;
    }
    .cat-hero-grid {
        position: relative; z-index: 1;
        display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center;
    }
    .cat-hero .eyebrow {
        display: inline-flex; align-items: center; gap: 8px;
        background: var(--accent-soft);
        color: var(--primary);
        font-size: 13px; font-weight: 600;
        padding: 6px 14px; border-radius: var(--radius-pill);
        margin-bottom: 16px;
    }
    .cat-hero h1 {
        font-family: var(--font-title);
        font-size: 36px; line-height: 1.25; font-weight: 700;
        color: var(--primary); margin-bottom: 16px;
        letter-spacing: .5px;
    }
    .cat-hero .hero-sub {
        font-size: 17px; color: var(--text-muted);
        max-width: 580px; margin-bottom: 24px;
    }
    .hero-visual {
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        aspect-ratio: 4/3;
        background: var(--card-bg);
    }
    .hero-visual img {
        width: 100%; height: 100%; object-fit: cover;
        transition: transform .5s ease;
    }
    .hero-visual:hover img { transform: scale(1.03); }

    /* ===== Section Common ===== */
    section { padding: var(--pad-section) 0; }
    .section-alt { background: #fff; }
    .section-dark { background: var(--dark-bg); color: #fff; }
    .section-title { margin-bottom: 36px; }
    .section-title h2 {
        font-family: var(--font-title);
        font-size: 28px; font-weight: 700;
        color: var(--primary); line-height: 1.3;
        margin-bottom: 8px;
    }
    .section-dark .section-title h2 { color: #fff; }
    .section-title p { color: var(--text-muted); font-size: 15px; max-width: 640px; }
    .section-dark .section-title p { color: var(--text-light); }

    /* ===== Buttons & Badges ===== */
    .btn-primary-custom {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        background: var(--primary); color: #fff;
        font-size: 15px; font-weight: 600;
        padding: 12px 24px; border-radius: var(--radius-btn);
        transition: var(--transition);
        border: 1px solid var(--primary);
    }
    .btn-primary-custom:hover {
        background: var(--primary-hover); color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }
    .btn-primary-custom:active { transform: translateY(1px); box-shadow: var(--shadow-card); }
    .btn-outline-custom {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        background: transparent; color: var(--primary);
        font-size: 15px; font-weight: 600;
        padding: 12px 24px; border-radius: var(--radius-btn);
        border: 1px solid var(--primary);
        transition: var(--transition);
    }
    .btn-outline-custom:hover {
        background: var(--primary-light); color: var(--primary-hover);
        transform: translateY(-2px);
    }
    .btn-highlight {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        background: var(--highlight); color: #fff;
        font-size: 15px; font-weight: 600;
        padding: 12px 24px; border-radius: var(--radius-btn);
        transition: var(--transition);
        border: 1px solid var(--highlight);
    }
    .btn-highlight:hover {
        background: #e66a0a; color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(255,122,26,0.25);
    }
    .badge-accent {
        display: inline-block;
        background: var(--accent-soft); color: var(--primary);
        font-size: 12px; font-weight: 600;
        padding: 4px 10px; border-radius: 4px;
    }
    .badge-orange {
        display: inline-block;
        background: var(--highlight-soft); color: #e66a0a;
        font-size: 12px; font-weight: 600;
        padding: 4px 10px; border-radius: 4px;
    }
    .badge-green {
        display: inline-block;
        background: #e3f4e9; color: var(--primary);
        font-size: 12px; font-weight: 600;
        padding: 4px 10px; border-radius: 4px;
    }

    /* ===== Directory Cards ===== */
    .directory-grid {
        display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-card);
    }
    .directory-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 24px;
        box-shadow: var(--shadow-card);
        transition: var(--transition);
        display: flex; gap: 16px; align-items: flex-start;
    }
    .directory-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        border-color: var(--accent);
    }
    .directory-icon {
        flex-shrink: 0;
        width: 52px; height: 52px; border-radius: var(--radius-sm);
        background: var(--primary-light);
        display: flex; align-items: center; justify-content: center;
        font-size: 22px; font-weight: 700; color: var(--primary);
        font-family: var(--font-title);
    }
    .directory-card-info h3 {
        font-family: var(--font-title);
        font-size: 17px; font-weight: 600;
        color: var(--text); margin-bottom: 4px;
    }
    .directory-card-info p {
        font-size: 14px; color: var(--text-muted);
        margin-bottom: 8px; line-height: 1.5;
    }
    .card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
    .card-link {
        font-size: 13px; font-weight: 600; color: var(--primary);
        display: inline-block; margin-top: 8px;
    }
    .card-link:hover { color: var(--primary-hover); text-decoration: underline; }

    /* ===== Recommend Row ===== */
    .recommend-row {
        display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
    }
    .recommend-item {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 16px 14px;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-card);
    }
    .recommend-item:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
        border-color: var(--accent);
    }
    .recommend-rank {
        font-family: var(--font-title);
        font-size: 22px; font-weight: 700; color: var(--highlight);
        margin-bottom: 4px;
    }
    .recommend-name {
        font-size: 14px; font-weight: 600; color: var(--text);
        margin-bottom: 4px;
    }
    .recommend-tag {
        font-size: 12px; color: var(--text-muted);
    }

    /* ===== Standard Ribbon ===== */
    .standard-ribbon {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 32px;
        box-shadow: var(--shadow-card);
        display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    }
    .standard-item { display: flex; gap: 14px; align-items: flex-start; }
    .standard-item .icon {
        flex-shrink: 0;
        width: 40px; height: 40px; border-radius: 50%;
        background: var(--accent-soft);
        display: flex; align-items: center; justify-content: center;
        font-size: 18px;
    }
    .standard-item h4 {
        font-size: 15px; font-weight: 600; color: var(--text);
        margin-bottom: 4px;
    }
    .standard-item p {
        font-size: 13px; color: var(--text-muted); line-height: 1.5; margin: 0;
    }

    /* ===== Safety Alert ===== */
    .safety-ribbon {
        background: var(--card-bg);
        border-left: 4px solid var(--accent);
        border-radius: var(--radius-sm);
        padding: 24px 28px;
        box-shadow: var(--shadow-card);
    }
    .safety-ribbon h3 {
        font-family: var(--font-title);
        font-size: 18px; font-weight: 600;
        color: var(--primary); margin-bottom: 8px;
    }
    .safety-ribbon p {
        font-size: 14px; color: var(--text-muted); margin: 0;
        line-height: 1.6;
    }

    /* ===== Submit CTA ===== */
    .submit-cta {
        background: var(--dark-bg);
        border-radius: var(--radius-card);
        padding: 48px 40px;
        display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center;
    }
    .submit-cta h2 {
        font-family: var(--font-title);
        font-size: 26px; font-weight: 700;
        color: #fff; margin-bottom: 8px;
    }
    .submit-cta p {
        color: var(--text-light); font-size: 15px; margin: 0;
    }
    .submit-form-inline {
        display: flex; gap: 12px;
    }
    .submit-form-inline input {
        flex: 1;
        min-width: 0;
        background: #fff; 
        border: 1px solid var(--border);
        border-radius: var(--radius-btn);
        padding: 12px 16px;
        font-size: 15px;
        color: var(--text);
    }
    .submit-form-inline input:focus {
        border-color: var(--primary);
        outline: 3px solid rgba(184,227,59,0.6);
        outline-offset: 1px;
    }

    /* ===== FAQ ===== */
    .faq-list { display: flex; flex-direction: column; gap: 12px; }
    .faq-card {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-card:hover { box-shadow: var(--shadow-hover); }
    .faq-btn {
        width: 100%;
        display: flex; align-items: center; justify-content: space-between;
        padding: 18px 20px; gap: 16px;
        font-size: 16px; font-weight: 600;
        color: var(--text); text-align: left;
        transition: var(--transition);
    }
    .faq-btn:hover { color: var(--primary); background: var(--primary-light); }
    .faq-icon {
        flex-shrink: 0;
        width: 28px; height: 28px; border-radius: 50%;
        background: var(--accent-soft);
        display: flex; align-items: center; justify-content: center;
        font-size: 16px; font-weight: 700; color: var(--primary);
        transition: var(--transition);
    }
    .faq-card.open .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease, padding .3s ease;
        padding: 0 20px;
    }
    .faq-card.open .faq-answer {
        max-height: 240px;
        padding: 0 20px 18px;
    }
    .faq-answer p {
        font-size: 14px; color: var(--text-muted);
        line-height: 1.6; margin: 0;
        padding-top: 0;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark-bg);
        color: var(--text-light);
        padding: 56px 0 24px;
    }
    .footer-inner {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
        display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px;
    }
    .footer-brand .logo-main {
        color: #fff; font-size: 18px; display: block; margin-bottom: 6px;
    }
    .footer-brand .logo-sub {
        color: var(--text-light); font-size: 12px; display: block; margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 13px; color: var(--text-light); line-height: 1.6;
        max-width: 260px;
    }
    .footer-col h4 {
        font-size: 14px; font-weight: 600;
        color: #fff; margin-bottom: 12px;
    }
    .footer-col ul { list-style: none; padding: 0; margin: 0; }
    .footer-col li { margin-bottom: 6px; }
    .footer-col a {
        font-size: 13px; color: var(--text-light);
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--accent); text-decoration: underline; }
    .footer-bottom {
        max-width: var(--container);
        margin: 32px auto 0;
        padding: 16px 24px 0;
        border-top: 1px solid rgba(255,255,255,0.1);
        text-align: center;
    }
    .footer-bottom p {
        font-size: 13px; color: var(--text-light); margin: 0;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .cat-hero-grid { grid-template-columns: 1fr; gap: 32px; }
        .hero-visual { max-width: 500px; }
        .directory-grid { grid-template-columns: 1fr; }
        .recommend-row { grid-template-columns: repeat(3, 1fr); }
        .standard-ribbon { grid-template-columns: 1fr 1fr; }
        .submit-cta { grid-template-columns: 1fr; gap: 24px; }
    }
    @media (max-width: 768px) {
        :root { --pad-section: 40px; }
        .nav-desktop { display: none; }
        .menu-toggle { display: flex; }
        .cat-hero { padding: 40px 0 40px; }
        .cat-hero h1 { font-size: 28px; }
        .cat-hero .hero-sub { font-size: 15px; }
        .section-title h2 { font-size: 22px; }
        .recommend-row { grid-template-columns: repeat(2, 1fr); }
        .standard-ribbon { grid-template-columns: 1fr; padding: 24px; }
        .submit-cta { padding: 32px 24px; }
        .submit-form-inline { flex-direction: column; }
        .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
        .footer-brand { grid-column: 1 / -1; }
    }
    @media (max-width: 520px) {
        :root { --pad-section: 32px; }
        .container { padding: 0 16px; }
        .cat-hero h1 { font-size: 24px; }
        .section-title h2 { font-size: 20px; }
        .recommend-row { grid-template-columns: 1fr; }
        .directory-card { flex-direction: column; gap: 12px; }
        .directory-icon { width: 44px; height: 44px; font-size: 18px; }
        .footer-inner { grid-template-columns: 1fr; gap: 20px; }
        .footer-bottom { padding: 16px 12px 0; }
        .submit-cta { padding: 28px 18px; }
    }

/* roulang page: category2 */
:root {
        --primary: #0C4A33;
        --primary-hover: #0a3d2a;
        --primary-light: rgba(12,74,51,0.06);
        --accent: #B8E33B;
        --accent-soft: rgba(184,227,59,0.18);
        --highlight: #FF7A1A;
        --highlight-soft: rgba(255,122,26,0.12);
        --bg: #F5F7F2;
        --dark-bg: #12211C;
        --card-bg: #FFFFFF;
        --text: #17211D;
        --text-muted: #5F6F67;
        --text-light: #AFC2BA;
        --border: #D8E2DA;
        --radius-card: 16px;
        --radius-btn: 10px;
        --radius-sm: 8px;
        --radius-pill: 999px;
        --shadow-card: 0 6px 20px rgba(12,74,51,0.06);
        --shadow-hover: 0 12px 32px rgba(12,74,51,0.12);
        --shadow-dark: 0 10px 30px rgba(0,0,0,0.18);
        --font-title: 'PingFang SC','Microsoft YaHei','SimHei',sans-serif;
        --font-body: system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
        --container: 1200px;
        --pad-section: 72px;
        --gap-card: 24px;
        --transition: all .25s ease;
    }
    @media (max-width: 768px) {
        :root { --pad-section: 48px; --gap-card: 16px; }
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: var(--font-body);
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input, select, textarea { font-family: inherit; font-size: 1rem; }
    .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
    section { padding: var(--pad-section) 0; }
    .section-label {
        display: inline-flex; align-items: center; gap: 8px;
        background: var(--accent-soft); color: var(--primary);
        font-size: 13px; font-weight: 600; padding: 6px 14px;
        border-radius: var(--radius-pill); margin-bottom: 16px;
    }
    .section-title {
        font-family: var(--font-title); font-size: 28px; font-weight: 700;
        color: var(--primary); line-height: 1.3; margin-bottom: 12px;
    }
    .section-sub { font-size: 16px; color: var(--text-muted); max-width: 680px; margin-bottom: 32px; }

    /* Header & Nav */
    .site-header {
        position: sticky; top: 0; z-index: 1000;
        background: rgba(255,255,255,0.94);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border);
        height: 72px;
    }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
    .logo { display: flex; flex-direction: column; line-height: 1.2; min-width: 180px; }
    .logo-main { font-family: var(--font-title); font-weight: 700; font-size: 17px; color: var(--primary); letter-spacing: .3px; }
    .logo-sub { font-size: 12px; color: var(--text-muted); font-weight: 400; }
    .nav-desktop { display: flex; align-items: center; gap: 8px; }
    .nav-link {
        position: relative; padding: 8px 14px; font-size: 15px; font-weight: 500;
        color: var(--text); border-radius: 6px; white-space: nowrap;
    }
    .nav-link:hover { background: var(--primary-light); color: var(--primary); }
    .nav-link.active { color: var(--primary); }
    .nav-link.active::after {
        content: ''; position: absolute; left: 14px; right: 14px; bottom: -2px;
        height: 2px; background: var(--accent); border-radius: 2px;
    }
    .nav-link:focus-visible, .btn:focus-visible, .faq-btn:focus-visible, .copy-btn:focus-visible {
        outline: 3px solid rgba(184,227,59,0.8); outline-offset: 2px;
    }
    .menu-toggle {
        display: none; flex-direction: column; justify-content: center; gap: 5px;
        width: 44px; height: 44px; border-radius: 10px;
        background: var(--primary-light); padding: 10px;
    }
    .menu-toggle span { display: block; height: 2px; width: 100%; background: var(--primary); border-radius: 2px; transition: var(--transition); }
    .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.open span:nth-child(2) { opacity: 0; }
    .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .mobile-menu {
        display: none; position: absolute; top: 72px; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px; box-shadow: var(--shadow-card);
    }
    .mobile-menu.open { display: block; }
    .mobile-menu .nav-link { display: block; padding: 12px 16px; font-size: 16px; }

    /* Buttons */
    .btn {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        padding: 12px 24px; border-radius: var(--radius-btn);
        font-size: 15px; font-weight: 600; transition: var(--transition);
        border: 2px solid transparent; min-height: 44px;
    }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-card); color: #fff; }
    .btn-primary:active { transform: translateY(1px); box-shadow: none; }
    .btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
    .btn-outline:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
    .btn-accent { background: var(--highlight); color: #fff; }
    .btn-accent:hover { background: #e66a0a; transform: translateY(-2px); box-shadow: var(--shadow-card); color: #fff; }

    /* Hero - Category */
    .cat-hero {
        background: linear-gradient(135deg, #F8FBF5 0%, #EAF2E7 100%);
        padding: 56px 0 64px;
        position: relative;
        overflow: hidden;
    }
    .cat-hero::before {
        content: ''; position: absolute; top: -80px; right: -60px;
        width: 320px; height: 320px; border-radius: 50%;
        background: rgba(184,227,59,0.14); pointer-events: none;
    }
    .cat-hero-grid {
        display: grid; grid-template-columns: 1.15fr 0.85fr;
        gap: 48px; align-items: center; position: relative; z-index: 1;
    }
    .cat-hero h1 {
        font-family: var(--font-title); font-size: 36px; font-weight: 700;
        color: var(--primary); line-height: 1.22; margin-bottom: 14px;
    }
    .cat-hero .cat-desc { font-size: 17px; color: var(--text-muted); max-width: 560px; margin-bottom: 24px; }
    .cat-hero-image { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-hover); }
    .cat-hero-image img { width: 100%; height: 100%; object-fit: cover; }

    /* Tip Cards */
    .tip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .tip-card {
        background: var(--card-bg); border-radius: var(--radius-card);
        padding: 24px; box-shadow: var(--shadow-card);
        border: 1px solid var(--border); transition: var(--transition);
        display: flex; flex-direction: column; gap: 12px;
    }
    .tip-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
    .tip-card .tip-icon {
        width: 48px; height: 48px; border-radius: 12px;
        background: var(--accent-soft); display: flex; align-items: center; justify-content: center;
        font-size: 22px; font-weight: 700; color: var(--primary);
    }
    .tip-card h3 { font-family: var(--font-title); font-size: 18px; font-weight: 600; color: var(--primary); line-height: 1.4; }
    .tip-card p { font-size: 15px; color: var(--text-muted); margin: 0; }
    .tip-card .tag {
        display: inline-flex; align-items: center; gap: 4px;
        background: var(--primary-light); color: var(--primary);
        font-size: 12px; font-weight: 500; padding: 4px 10px;
        border-radius: 4px; width: fit-content;
    }

    /* Directive Cards */
    .directive-list { display: flex; flex-direction: column; gap: 16px; }
    .directive-card {
        background: var(--card-bg); border-radius: var(--radius-card);
        padding: 20px 24px; box-shadow: var(--shadow-card);
        border-left: 4px solid var(--accent);
        display: flex; align-items: flex-start; gap: 20px;
        transition: var(--transition); flex-wrap: wrap;
    }
    .directive-card:hover { box-shadow: var(--shadow-hover); transform: translateX(4px); }
    .directive-card .cmd {
        font-family: 'Consolas','Monaco','Courier New',monospace;
        font-size: 16px; font-weight: 700; color: var(--primary);
        background: var(--accent-soft); padding: 6px 14px; border-radius: 6px;
        white-space: nowrap; min-width: 120px; text-align: center;
    }
    .directive-card .info { flex: 1; min-width: 200px; }
    .directive-card .info h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
    .directive-card .info p { font-size: 14px; color: var(--text-muted); margin: 0; }

    /* Scenario Cards */
    .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .scenario-card {
        background: var(--card-bg); border-radius: var(--radius-card);
        overflow: hidden; box-shadow: var(--shadow-card);
        border: 1px solid var(--border); transition: var(--transition);
        display: flex; flex-direction: column;
    }
    .scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .scenario-card img { width: 100%; height: 160px; object-fit: cover; }
    .scenario-card .sc-body { padding: 20px; }
    .scenario-card h3 { font-size: 18px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
    .scenario-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; }
    .scenario-card .link-more { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
    .scenario-card .link-more:hover { color: var(--highlight); }

    /* Tool List */
    .tool-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-card); }
    .tool-item {
        background: var(--card-bg); border-radius: var(--radius-card);
        padding: 20px; box-shadow: var(--shadow-card);
        border: 1px solid var(--border); text-align: center;
        transition: var(--transition);
    }
    .tool-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
    .tool-item .tool-icon {
        width: 44px; height: 44px; border-radius: 50%;
        background: var(--accent-soft); margin: 0 auto 12px;
        display: flex; align-items: center; justify-content: center;
        font-size: 20px; color: var(--primary); font-weight: 700;
    }
    .tool-item h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
    .tool-item p { font-size: 13px; color: var(--text-muted); margin: 0; }

    /* News List */
    .news-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-card); }
    .news-card {
        background: var(--card-bg); border-radius: var(--radius-card);
        padding: 20px; box-shadow: var(--shadow-card);
        border: 1px solid var(--border); transition: var(--transition);
        display: flex; flex-direction: column; gap: 10px;
    }
    .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .news-card h3 { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.45; }
    .news-card h3 a:hover { color: var(--primary); }
    .news-card p { font-size: 14px; color: var(--text-muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .news-card .news-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-light); }
    .news-card .news-meta .badge-tag {
        background: var(--accent-soft); color: var(--primary);
        padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 500;
    }
    .news-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); background: var(--card-bg); border-radius: var(--radius-card); border: 1px dashed var(--border); }

    /* CTA */
    .cta-band {
        background: var(--dark-bg); border-radius: var(--radius-card);
        padding: 40px 48px; text-align: center;
        color: #fff; position: relative; overflow: hidden;
    }
    .cta-band::after {
        content: ''; position: absolute; top: -60px; right: -40px;
        width: 200px; height: 200px; border-radius: 50%;
        background: rgba(184,227,59,0.08); pointer-events: none;
    }
    .cta-band h2 { font-family: var(--font-title); font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
    .cta-band p { color: var(--text-light); max-width: 500px; margin: 0 auto 24px; position: relative; z-index: 1; }
    .cta-band .btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

    /* FAQ */
    .faq-list { max-width: 760px; margin: 0 auto; }
    .faq-item {
        background: var(--card-bg); border-radius: var(--radius-card);
        margin-bottom: 12px; overflow: hidden; box-shadow: var(--shadow-card);
        border: 1px solid var(--border);
    }
    .faq-btn {
        width: 100%; text-align: left; padding: 18px 22px;
        font-size: 16px; font-weight: 600; color: var(--text);
        display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .faq-btn:hover { background: var(--primary-light); }
    .faq-btn .faq-icon { font-size: 22px; color: var(--accent); transition: var(--transition); flex-shrink: 0; }
    .faq-item.open .faq-icon { transform: rotate(45deg); }
    .faq-content {
        max-height: 0; overflow: hidden; transition: max-height .3s ease;
        padding: 0 22px;
    }
    .faq-item.open .faq-content { max-height: 260px; padding-bottom: 18px; }
    .faq-content p { font-size: 15px; color: var(--text-muted); margin: 0; }

    /* Footer */
    .site-footer { background: var(--dark-bg); color: var(--text-light); padding: 56px 0 0; }
    .footer-inner {
        max-width: var(--container); margin: 0 auto; padding: 0 24px 40px;
        display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px;
    }
    .site-footer .logo-main { color: #fff; }
    .site-footer .logo-sub { color: var(--text-light); }
    .site-footer .logo { margin-bottom: 16px; }
    .site-footer .footer-brand p { font-size: 14px; color: var(--text-light); max-width: 320px; margin-top: 8px; }
    .site-footer h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
    .site-footer ul { list-style: none; padding: 0; margin: 0; }
    .site-footer li { margin-bottom: 10px; font-size: 14px; }
    .site-footer li a { color: var(--text-light); }
    .site-footer li a:hover { color: var(--accent); }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08); padding: 18px 24px;
        text-align: center; font-size: 13px; color: var(--text-light);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .tip-grid, .scenario-grid { grid-template-columns: repeat(2, 1fr); }
        .tool-row { grid-template-columns: repeat(2, 1fr); }
        .news-list { grid-template-columns: repeat(2, 1fr); }
        .cat-hero-grid { grid-template-columns: 1fr; }
        .cat-hero-image { max-height: 280px; }
        .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
    }
    @media (max-width: 768px) {
        .nav-desktop { display: none; }
        .menu-toggle { display: flex; }
        .tip-grid, .scenario-grid, .news-list { grid-template-columns: 1fr; }
        .tool-row { grid-template-columns: 1fr 1fr; }
        .directive-card { flex-direction: column; gap: 12px; }
        .directive-card .cmd { min-width: auto; }
        .cat-hero h1 { font-size: 30px; }
        .section-title { font-size: 24px; }
        .cta-band { padding: 32px 24px; }
        .cta-band h2 { font-size: 22px; }
        .footer-inner { grid-template-columns: 1fr; gap: 24px; }
    }
    @media (max-width: 520px) {
        .tool-row { grid-template-columns: 1fr; }
        .btn { padding: 10px 18px; font-size: 14px; width: 100%; }
        .btn-group { flex-direction: column; }
    }

/* roulang page: category3 */
:root {
            --primary: #0C4A33;
            --primary-hover: #0a3d2a;
            --primary-light: rgba(12,74,51,0.06);
            --accent: #B8E33B;
            --accent-soft: rgba(184,227,59,0.18);
            --highlight: #FF7A1A;
            --highlight-soft: rgba(255,122,26,0.12);
            --bg: #F5F7F2;
            --dark-bg: #12211C;
            --card-bg: #FFFFFF;
            --text: #17211D;
            --text-muted: #5F6F67;
            --text-light: #AFC2BA;
            --border: #D8E2DA;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 6px 20px rgba(12,74,51,0.06);
            --shadow-hover: 0 12px 32px rgba(12,74,51,0.12);
            --shadow-dark: 0 10px 30px rgba(0,0,0,0.18);
            --font-title: 'PingFang SC','Microsoft YaHei','SimHei',sans-serif;
            --font-body: system-ui,-apple-system,'Segoe UI','Microsoft YaHei',sans-serif;
            --container: 1200px;
            --pad-section: 72px;
            --gap-card: 24px;
            --transition: all .25s ease;
        }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, select, textarea { font-family: inherit; font-size: 1rem; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 72px;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px; gap: 24px;
        }
        .logo { display: flex; flex-direction: column; line-height: 1.2; min-width: 180px; }
        .logo-main {
            font-family: var(--font-title); font-weight: 700;
            font-size: 17px; color: var(--primary); letter-spacing: .3px;
        }
        .logo-sub { font-size: 12px; color: var(--text-muted); font-weight: 400; }
        .nav-desktop { display: flex; align-items: center; gap: 8px; }
        .nav-link {
            position: relative; padding: 8px 14px; font-size: 15px;
            font-weight: 500; color: var(--text); border-radius: 6px; white-space: nowrap;
        }
        .nav-link:hover { background: var(--primary-light); color: var(--primary); }
        .nav-link.active { color: var(--primary); }
        .nav-link.active::after {
            content: ''; position: absolute; left: 14px; right: 14px; bottom: -2px;
            height: 2px; background: var(--accent); border-radius: 2px;
        }
        .nav-link:focus-visible, .btn:focus-visible, .search-btn:focus-visible, .faq-btn:focus-visible, .game-card:focus-visible, .submit-btn:focus-visible {
            outline: 3px solid rgba(184,227,59,0.8); outline-offset: 2px;
        }
        .menu-toggle {
            display: none; flex-direction: column; justify-content: center; gap: 5px;
            width: 44px; height: 44px; border-radius: 10px;
            background: var(--primary-light); padding: 10px;
        }
        .menu-toggle span {
            display: block; height: 2px; width: 100%;
            background: var(--primary); border-radius: 2px; transition: var(--transition);
        }
        .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .menu-toggle.open span:nth-child(2) { opacity: 0; }
        .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        .mobile-menu {
            display: none; position: absolute; top: 72px; left: 0; right: 0;
            background: #fff; border-bottom: 1px solid var(--border);
            padding: 16px 24px 24px; box-shadow: var(--shadow-card);
        }
        .mobile-menu.open { display: block; }
        .mobile-menu .nav-link { display: block; padding: 12px 16px; font-size: 16px; }

        /* ===== 分类页头 ===== */
        .category-hero {
            background: linear-gradient(135deg, #0C4A33 0%, #1a5c42 55%, #245f45 100%);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute; top: -60px; right: -40px;
            width: 320px; height: 320px; border-radius: 50%;
            background: rgba(184,227,59,0.12);
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute; bottom: -80px; left: -60px;
            width: 280px; height: 280px; border-radius: 50%;
            background: rgba(255,122,26,0.08);
            pointer-events: none;
        }
        .category-hero-grid {
            display: grid; grid-template-columns: 1.1fr 0.9fr;
            gap: 48px; align-items: center; position: relative; z-index: 1;
        }
        .category-hero-content .cat-tag {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--accent-soft); color: var(--accent);
            font-size: 13px; font-weight: 600;
            padding: 6px 14px; border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }
        .category-hero-content h1 {
            font-family: var(--font-title);
            font-size: 38px; line-height: 1.25; font-weight: 700;
            color: #fff; margin-bottom: 16px; letter-spacing: .5px;
        }
        .category-hero-content .cat-desc {
            font-size: 17px; color: #cfe0d8;
            max-width: 540px; margin-bottom: 24px;
        }
        .cat-hero-stats {
            display: flex; gap: 28px; flex-wrap: wrap;
        }
        .cat-hero-stats .stat-item {
            display: flex; flex-direction: column;
        }
        .cat-hero-stats .stat-num {
            font-family: var(--font-title);
            font-size: 24px; font-weight: 700; color: var(--accent);
        }
        .cat-hero-stats .stat-label {
            font-size: 13px; color: #a9c4b8;
        }
        .category-hero-visual {
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255,255,255,0.1);
            overflow: hidden;
            box-shadow: var(--shadow-dark);
        }
        .category-hero-visual img {
            width: 100%; height: 300px; object-fit: cover;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: var(--pad-section) 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 28px; font-weight: 700;
            color: var(--primary); margin-bottom: 10px;
            letter-spacing: .3px;
        }
        .section-subtitle {
            font-size: 16px; color: var(--text-muted);
            margin-bottom: 32px; max-width: 640px;
        }
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }

        /* ===== 游戏卡片主体 ===== */
        .game-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }
        .game-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex; flex-direction: column;
            position: relative;
        }
        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #b8d0c2;
        }
        .game-card:focus-visible {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .game-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e8eee8;
        }
        .game-card-img img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform .4s ease;
        }
        .game-card:hover .game-card-img img { transform: scale(1.04); }
        .game-badge {
            position: absolute; top: 12px; left: 12px;
            background: var(--highlight); color: #fff;
            font-size: 12px; font-weight: 600;
            padding: 4px 10px; border-radius: 4px;
            letter-spacing: .3px;
        }
        .game-badge.free { background: var(--highlight); }
        .game-badge.hot { background: #e8541f; }
        .game-card-body {
            padding: 20px 20px 22px;
            display: flex; flex-direction: column; flex: 1;
        }
        .game-card-title {
            font-family: var(--font-title);
            font-size: 18px; font-weight: 600;
            color: var(--text); margin-bottom: 6px;
            line-height: 1.35;
        }
        .game-card-meta {
            display: flex; align-items: center; gap: 12px;
            font-size: 13px; color: var(--text-muted);
            margin-top: auto;
        }
        .game-card-meta .game-type {
            background: var(--accent-soft); color: var(--primary);
            padding: 3px 10px; border-radius: 4px;
            font-weight: 500; font-size: 12px;
        }
        .game-card-meta .game-score {
            display: flex; align-items: center; gap: 4px;
            font-weight: 600; color: var(--highlight);
        }
        .game-card-link {
            position: absolute; inset: 0; z-index: 2;
            border-radius: var(--radius-card);
        }

        /* ===== 排行榜 ===== */
        .rank-list {
            display: flex; flex-direction: column; gap: 14px;
        }
        .rank-item {
            display: flex; align-items: center; gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .rank-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .rank-num {
            flex-shrink: 0;
            width: 36px; height: 36px;
            display: flex; align-items: center; justify-content: center;
            font-family: var(--font-title);
            font-weight: 700; font-size: 16px;
            border-radius: 8px;
            background: var(--primary-light); color: var(--primary);
        }
        .rank-num.top1 { background: var(--highlight); color: #fff; }
        .rank-num.top2 { background: #e8893f; color: #fff; }
        .rank-num.top3 { background: #d9a441; color: #fff; }
        .rank-item-info { flex: 1; min-width: 0; }
        .rank-item-name {
            font-family: var(--font-title);
            font-size: 16px; font-weight: 600;
            color: var(--text); line-height: 1.4;
        }
        .rank-item-desc {
            font-size: 13px; color: var(--text-muted);
            overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
        }
        .rank-item-heat {
            flex-shrink: 0;
            font-size: 13px; font-weight: 600; color: var(--highlight);
            white-space: nowrap;
        }

        /* ===== 资讯列表 ===== */
        .game-news-grid {
            display: grid; grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-card);
        }
        .game-news-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: block;
        }
        .game-news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #b8d0c2;
        }
        .game-news-item h3 {
            font-family: var(--font-title);
            font-size: 17px; font-weight: 600;
            color: var(--primary); margin-bottom: 8px;
            line-height: 1.4;
        }
        .game-news-item p {
            font-size: 14px; color: var(--text-muted);
            margin-bottom: 10px; line-height: 1.6;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .game-news-item .news-date {
            font-size: 12px; color: var(--text-light);
        }
        .empty-state {
            text-align: center; padding: 32px;
            background: var(--card-bg); border-radius: var(--radius-card);
            border: 1px dashed var(--border); color: var(--text-muted);
            font-size: 15px;
        }

        /* ===== 安全提示 ===== */
        .safety-grid {
            display: grid; grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }
        .safety-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            display: flex; flex-direction: column; gap: 10px;
        }
        .safety-card .safety-icon {
            width: 44px; height: 44px; border-radius: 10px;
            background: var(--accent-soft); display: flex;
            align-items: center; justify-content: center;
            font-size: 20px;
        }
        .safety-card h3 {
            font-family: var(--font-title);
            font-size: 17px; font-weight: 600;
            color: var(--text); margin: 0;
        }
        .safety-card p {
            font-size: 14px; color: var(--text-muted); margin: 0;
            line-height: 1.6;
        }

        /* ===== CTA 表单 ===== */
        .submit-section {
            background: linear-gradient(135deg, #0C4A33 0%, #164c38 100%);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            box-shadow: var(--shadow-dark);
        }
        .submit-section h2 {
            font-family: var(--font-title);
            font-size: 24px; font-weight: 700; color: #fff;
            margin-bottom: 8px;
        }
        .submit-section p {
            font-size: 15px; color: #c3d8ce; margin-bottom: 24px;
        }
        .submit-form {
            display: flex; gap: 12px; flex-wrap: wrap;
        }
        .submit-form input[type="text"],
        .submit-form input[type="url"] {
            flex: 1; min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.1);
            color: #fff; font-size: 15px;
            transition: var(--transition);
        }
        .submit-form input::placeholder { color: #a9c4b8; }
        .submit-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(184,227,59,0.25);
            background: rgba(255,255,255,0.15);
        }
        .submit-btn {
            background: var(--highlight); color: #fff;
            font-size: 15px; font-weight: 600;
            padding: 12px 28px; border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .submit-btn:hover {
            background: #e8600a; transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255,122,26,0.3);
        }
        .submit-btn:active { transform: translateY(0); }
        .submit-form .form-note {
            width: 100%; font-size: 13px; color: #a9c4b8;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex; flex-direction: column; gap: 12px;
            max-width: 760px; margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .faq-btn {
            width: 100%; display: flex; align-items: center; justify-content: space-between;
            padding: 18px 22px; text-align: left;
            font-family: var(--font-title);
            font-size: 16px; font-weight: 600;
            color: var(--text);
            transition: var(--transition);
        }
        .faq-btn:hover { background: var(--primary-light); }
        .faq-icon {
            flex-shrink: 0; width: 28px; height: 28px;
            display: flex; align-items: center; justify-content: center;
            background: var(--accent-soft); border-radius: 50%;
            color: var(--primary); font-size: 18px; font-weight: 700;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--highlight); color: #fff; }
        .faq-answer {
            max-height: 0; overflow: hidden;
            transition: max-height .35s ease, padding .3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px; padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 15px; color: var(--text-muted);
            margin: 0; line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg); color: #b8c9c2;
            padding: 56px 0 0;
            border-top: 4px solid var(--accent);
        }
        .footer-inner {
            max-width: var(--container); margin: 0 auto;
            padding: 0 24px 40px;
            display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer-brand .logo-main { font-size: 19px; color: #fff; }
        .footer-brand .logo-sub { font-size: 13px; color: #9fb5ab; }
        .footer-brand p {
            font-size: 14px; color: #8fa69d;
            margin-top: 14px; line-height: 1.7; max-width: 320px;
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-size: 16px; font-weight: 600;
            color: #fff; margin-bottom: 16px;
        }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 14px; color: #9fb5ab;
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 18px 24px;
            text-align: center;
            font-size: 13px; color: #7d958b;
        }
        .footer-bottom p { margin: 0; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root { --pad-section: 56px; }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .safety-grid { grid-template-columns: repeat(2, 1fr); }
            .category-hero-grid { grid-template-columns: 1fr; gap: 32px; }
            .category-hero-visual img { height: 240px; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --pad-section: 48px; }
            .nav-desktop { display: none; }
            .menu-toggle { display: flex; }
            .category-hero-content h1 { font-size: 30px; }
            .game-grid { grid-template-columns: 1fr; }
            .safety-grid { grid-template-columns: 1fr; }
            .game-news-grid { grid-template-columns: 1fr; }
            .submit-section { padding: 32px 24px; }
            .submit-form { flex-direction: column; }
            .submit-btn { width: 100%; }
            .cat-hero-stats { gap: 20px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .category-hero { padding: 40px 0 48px; }
            .category-hero-content h1 { font-size: 26px; }
            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .rank-item { flex-wrap: wrap; gap: 10px; }
            .rank-item-heat { width: 100%; text-align: right; }
            .section-title { font-size: 23px; }
        }