/* roulang page: index */
:root {
            --primary: #059669;
            --primary-dark: #047857;
            --primary-light: #d1fae5;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --dark: #0f172a;
            --dark-soft: #1e293b;
            --light: #f8fafc;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 1rem;
            --radius-lg: 1.75rem;
            --shadow: 0 10px 30px rgba(2, 6, 23, .08);
            --shadow-lg: 0 24px 60px rgba(2, 6, 23, .14);
            --font: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: var(--font); background: #fff; color: var(--dark); line-height: 1.65; overflow-x: hidden; }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; transition: all .3s ease; }
        button { cursor: pointer; border: none; font-family: inherit; }
        input, textarea { font-family: inherit; }

        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        .section-pad { padding: 96px 0; }
        .section-pad-sm { padding: 64px 0; }

        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-weight: 600; padding: 14px 32px; border-radius: 999px; font-size: 16px; transition: all .3s cubic-bezier(.4,0,.2,1); border: 2px solid transparent; white-space: nowrap; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 20px rgba(5,150,105,.3); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 10px 30px rgba(5,150,105,.4); }
        .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
        .btn-outline:hover { background: rgba(255,255,255,.15); border-color: #fff; transform: translateY(-3px); }
        .btn-amber { background: var(--accent); color: #0f172a; box-shadow: 0 4px 20px rgba(245,158,11,.3); }
        .btn-amber:hover { background: #d97706; transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245,158,11,.4); }
        .btn:focus-visible { outline: 3px solid rgba(5,150,105,.5); outline-offset: 2px; }

        .card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); transition: all .4s cubic-bezier(.4,0,.2,1); }
        .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(5,150,105,.25); }

        .badge { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; line-height: 1.2; }
        .badge-amber { background: var(--accent-light); color: #92400e; }
        .badge-green { background: var(--primary-light); color: #065f46; }
        .badge-dark { background: rgba(15,23,42,.08); color: var(--dark-soft); }

        .section-title { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; color: var(--dark); letter-spacing: -0.02em; }
        .section-sub { font-size: clamp(1rem, 1.5vw, 1.2rem); color: var(--muted); max-width: 680px; line-height: 1.7; }

        .divider { width: 72px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 999px; }

        .text-gradient {
            background: linear-gradient(135deg, #34d399 0%, #10b981 40%, #fbbf24 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        /* 导航 */
        .site-nav {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(15, 23, 42, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(148, 163, 184, .12);
            transition: all .4s ease;
        }
        .site-nav.scrolled { background: rgba(15, 23, 42, .98); box-shadow: 0 10px 40px rgba(0,0,0,.3); }
        .nav-link { color: rgba(255,255,255,.75); font-weight: 500; font-size: 15px; padding: 8px 4px; position: relative; transition: color .3s; white-space: nowrap; }
        .nav-link:hover { color: #fff; }
        .nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, #34d399, #fbbf24); border-radius: 999px; transition: width .3s ease; }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: #fff; font-weight: 600; }
        .nav-link.active::after { width: 100%; }

        .search-box {
            position: relative; flex: 1; max-width: 380px;
        }
        .search-box input {
            width: 100%; background: rgba(255,255,255,.08); border: 1px solid rgba(148,163,184,.25);
            border-radius: 999px; padding: 10px 22px 10px 44px; color: #fff; font-size: 14px; outline: none;
            transition: all .3s ease;
        }
        .search-box input::placeholder { color: rgba(255,255,255,.45); }
        .search-box input:focus { background: rgba(255,255,255,.14); border-color: rgba(52,211,153,.6); box-shadow: 0 0 0 4px rgba(52,211,153,.15); }
        .search-box i { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,.45); font-size: 14px; pointer-events: none; }

        /* 移动端菜单 */
        .mobile-menu-btn { display: none; }


        /* Hero */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
        }
        .hero::before {
            content: '';
            position: absolute; inset: 0; z-index: -1;
            background: linear-gradient(115deg, rgba(2,6,23,.96) 0%, rgba(2,6,23,.82) 40%, rgba(2,6,23,.38) 75%, rgba(2,6,23,.65) 100%);
        }
        .hero::after {
            content: '';
            position: absolute; bottom: 0; left: 0; right: 0; height: 120px; z-index: -1;
            background: linear-gradient(180deg, transparent, #fff);
        }
        .hero-eyebrow {
            display: inline-flex; align-items: center; gap: 10px;
            background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
            border-radius: 999px; padding: 8px 20px; color: rgba(255,255,255,.85); font-size: 14px; font-weight: 500;
            backdrop-filter: blur(8px);
        }
        .hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.8rem); font-weight: 900; line-height: 1.08; color: #fff; letter-spacing: -0.03em; }
        .hero-sub { color: rgba(255,255,255,.75); font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 540px; line-height: 1.75; }

        .media-btn {
            display: inline-flex; align-items: center; gap: 14px;
            background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
            border-radius: 999px; padding: 10px 24px 10px 10px; color: #fff;
            backdrop-filter: blur(10px); transition: all .3s ease;
        }
        .media-btn:hover { background: rgba(255,255,255,.2); transform: scale(1.03); }
        .media-btn .icon-circle {
            width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.15);
            display: flex; align-items: center; justify-content: center; font-size: 14px;
        }

        .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 480px; }
        .hero-stat { padding: 16px 20px; border-radius: var(--radius); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
        .hero-stat .num { font-size: 2rem; font-weight: 800; color: #fff; }
        .hero-stat .label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 2px; }

        /* 资讯卡片 */
        .news-card {
            background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
            overflow: hidden; transition: all .35s cubic-bezier(.4,0,.2,1);
            display: flex; flex-direction: column;
            box-shadow: 0 4px 12px rgba(2,6,23,.04);
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(5,150,105,.3); }
        .news-card .thumb { height: 180px; background: var(--dark-soft) center center / cover no-repeat; position: relative; }
        .news-card .thumb .badge { position: absolute; top: 14px; left: 14px; }
        .news-card .body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
        .news-card .body h3 { font-size: 17px; font-weight: 700; line-height: 1.4; color: var(--dark); margin-bottom: 10px; transition: color .3s; }
        .news-card:hover .body h3 { color: var(--primary); }
        .news-card .body p { font-size: 14px; color: var(--muted); line-height: 1.7; flex: 1; }
        .news-card .meta { display: flex; align-items: center; gap: 12px; margin-top: 16px; padding-top: 14px; border-top: 1px solid #f1f5f9; font-size: 13px; color: #94a3b8; }

        .news-item-row {
            display: flex; align-items: center; gap: 16px; padding: 18px 8px;
            border-bottom: 1px solid #f1f5f9; transition: all .3s ease; border-radius: 8px;
        }
        .news-item-row:hover { background: #f8fafc; padding-left: 16px; }
        .news-item-row .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }

        /* 分类卡片 */
        .category-card {
            position: relative; border-radius: var(--radius-lg); overflow: hidden;
            min-height: 320px; display: flex; align-items: flex-end; isolation: isolate;
            background-size: cover; background-position: center; transition: all .4s ease;
            box-shadow: 0 10px 30px rgba(2,6,23,.1);
        }
        .category-card::before {
            content: ''; position: absolute; inset: 0; z-index: -1;
            background: linear-gradient(180deg, transparent 0%, rgba(2,6,23,.35) 50%, rgba(2,6,23,.85) 100%);
            transition: all .4s ease;
        }
        .category-card:hover { transform: translateY(-8px); box-shadow: 0 25px 60px rgba(2,6,23,.2); }
        .category-card:hover::before { background: linear-gradient(180deg, transparent 0%, rgba(2,6,23,.2) 40%, rgba(2,6,23,.9) 100%); }
        .category-card .content { padding: 32px; width: 100%; }
        .category-card h3 { color: #fff; font-size: 1.7rem; font-weight: 800; margin-bottom: 6px; }
        .category-card p { color: rgba(255,255,255,.8); font-size: 14px; max-width: 90%; }

        /* 特色 */
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-item { background: #f8fafc; border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 28px; transition: all .4s ease; }
        .feature-item:hover { background: #fff; transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(5,150,105,.2); }
        .feature-item .icon { width: 56px; height: 56px; border-radius: 14px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--primary); margin-bottom: 20px; }
        .feature-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
        .feature-item p { font-size: 14px; color: var(--muted); line-height: 1.7; }

        /* 流程 */
        .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
        .step-item { text-align: center; padding: 40px 20px; position: relative; }
        .step-item .step-num {
            width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%;
            background: linear-gradient(135deg, #10b981, #059669); color: #fff;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; font-weight: 800; box-shadow: 0 8px 24px rgba(5,150,105,.3);
            position: relative; z-index: 2;
        }
        .step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
        .step-item p { font-size: 14px; color: var(--muted); line-height: 1.7; }

        /* FAQ */
        .faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; background: #fff; transition: all .3s; }
        .faq-item:hover { border-color: rgba(5,150,105,.3); box-shadow: var(--shadow); }
        .faq-item summary { padding: 22px 28px; cursor: pointer; font-weight: 600; font-size: 16px; display: flex; justify-content: space-between; align-items: center; gap: 16px; list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary .icon { width: 28px; height: 28px; border-radius: 50%; background: #f1f5f9; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: all .3s; flex-shrink: 0; }
        .faq-item[open] summary .icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
        .faq-item .answer { padding: 0 28px 22px; color: var(--muted); font-size: 15px; line-height: 1.75; }

        /* CTA */
        .cta-section {
            position: relative; border-radius: var(--radius-lg); overflow: hidden;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate; padding: 80px 0;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0; z-index: -1;
            background: linear-gradient(100deg, rgba(2,6,23,.95) 0%, rgba(2,6,23,.75) 60%, rgba(2,6,23,.5) 100%);
        }

        /* 页脚 */
        .site-footer { background: #020617; color: rgba(255,255,255,.6); }
        .footer-link { display: block; color: rgba(255,255,255,.55); font-size: 14px; padding: 5px 0; transition: all .3s; }
        .footer-link:hover { color: #34d399; padding-left: 6px; }
        .footer-title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }

        /* 公告横幅 */
        .ticker { background: #fef3c7; border-bottom: 1px solid #fde68a; overflow: hidden; }
        .ticker-inner { display: flex; align-items: center; padding: 8px 0; animation: ticker 30s linear infinite; }
        @keyframes ticker { 0% { transform: translateX(100%); } 100% { transform: translateX(-100%); } }

        /* 横向滑区 */
        .horizon-scroll { display: flex; gap: 20px; overflow-x: auto; padding: 20px 4px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
        .horizon-scroll::-webkit-scrollbar { height: 6px; }
        .horizon-scroll::-webkit-scrollbar-thumb { background: rgba(5,150,105,.3); border-radius: 999px; }
        .horizon-card { min-width: 280px; scroll-snap-align: start; }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section-pad { padding: 72px 0; }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .hero { min-height: 600px; }
        }

        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .section-pad { padding: 56px 0; }
            .hero { min-height: 520px; }
            .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
            .hero-stat .num { font-size: 1.4rem; }
            .hero-stat .label { font-size: 12px; }
            .site-nav .nav-links { display: none; }
            .mobile-menu-btn { display: flex; }
            .feature-grid { grid-template-columns: 1fr; gap: 16px; }
            .steps { grid-template-columns: 1fr 1fr; gap: 12px; }
            .step-item { padding: 24px 12px; }
            .cta-section { padding: 56px 0; }
            .nav-search { display: none; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero { min-height: 480px; }
            .hero-stats { grid-template-columns: 1fr 1fr 1fr; }
            .hero-stat { padding: 12px 10px; }
            .hero-stat .num { font-size: 1.2rem; }
            .steps { grid-template-columns: 1fr; }
            .section-title { font-size: 1.7rem; }
            .btn { padding: 12px 20px; font-size: 14px; }
            .news-card .thumb { height: 140px; }
            .category-card { min-height: 240px; }
            .category-card .content { padding: 20px; }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .nav-search .search-box { max-width: 240px; }
        }

/* roulang page: category1 */
:root {
            --brand: #10b981;
            --brand-dark: #059669;
            --brand-light: #6ee7b7;
            --accent: #f59e0b;
            --bg-deep: #070d1a;
            --bg-body: #0a111f;
            --bg-card: rgba(255, 255, 255, 0.035);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --bg-input: rgba(255, 255, 255, 0.06);
            --text-main: #e6edf7;
            --text-muted: #94a3b8;
            --text-faint: #64748b;
            --border-soft: rgba(255, 255, 255, 0.08);
            --border-bright: rgba(255, 255, 255, 0.16);
            --radius-sm: 0.75rem;
            --radius: 1.25rem;
            --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.35);
            --shadow-soft: 0 15px 40px rgba(0, 0, 0, 0.2);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            background: none;
            border: none;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 110px 0;
            position: relative;
        }
        .section-head {
            max-width: 680px;
            margin-bottom: 56px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--brand-light);
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid rgba(16, 185, 129, 0.3);
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        .section-title {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #fff;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .section {
                padding: 72px 0;
            }
            .section-title {
                font-size: 30px;
            }
            .section-head {
                margin-bottom: 40px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .section-title {
                font-size: 26px;
            }
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(7, 13, 26, 0.86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            transition: box-shadow 0.35s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 76px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, #10b981, #059669);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 20px;
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
        }
        .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.01em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 600;
            color: rgba(230, 237, 247, 0.7);
            padding: 10px 18px;
            border-radius: 999px;
            transition: all 0.25s ease;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(16, 185, 129, 0.15);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-input);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 8px 20px;
            min-width: 200px;
            flex-shrink: 0;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .header-search:focus-within {
            border-color: rgba(16, 185, 129, 0.5);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
        }
        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-search input {
            width: 100%;
            font-size: 14px;
            color: #fff;
        }
        .header-search input::placeholder {
            color: var(--text-faint);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 10px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .mobile-toggle span {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        @media (max-width: 1024px) {
            .header-search {
                min-width: 140px;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 68px;
                flex-wrap: wrap;
            }
            .nav-links {
                order: 3;
                width: 100%;
                padding: 10px 0 16px;
                gap: 4px;
                justify-content: flex-start;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .nav-links::-webkit-scrollbar {
                display: none;
            }
            .nav-link {
                white-space: nowrap;
                padding: 8px 14px;
                font-size: 14px;
            }
            .header-search {
                margin-left: auto;
                min-width: 38px;
                width: 38px;
                height: 38px;
                padding: 0;
                justify-content: center;
                border-radius: 999px;
            }
            .header-search input {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
            }
        }
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 150px 0 100px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(5, 10, 20, 0.94) 0%, rgba(5, 10, 20, 0.62) 55%, rgba(5, 10, 20, 0.25) 100%);
            z-index: -1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--brand-light);
            background: rgba(16, 185, 129, 0.14);
            border: 1px solid rgba(16, 185, 129, 0.35);
            padding: 8px 20px;
            border-radius: 999px;
            margin-bottom: 28px;
        }
        .hero-title {
            font-size: 56px;
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 24px;
        }
        .hero-title span {
            background: linear-gradient(135deg, #6ee7b7, #10b981);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(230, 237, 247, 0.75);
            line-height: 1.85;
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            transition: all 0.3s ease;
            cursor: pointer;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            transform: translateY(-3px);
            box-shadow: 0 16px 38px rgba(16, 185, 129, 0.38);
        }
        .btn-primary:active {
            transform: translateY(-1px);
        }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(16, 185, 129, 0.5);
            outline-offset: 3px;
        }
        .hero-meta {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-top: 44px;
            flex-wrap: wrap;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(230, 237, 247, 0.6);
        }
        .hero-meta-item i {
            color: var(--brand-light);
            font-size: 16px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 520px;
                padding: 120px 0 80px;
            }
            .hero-title {
                font-size: 38px;
                line-height: 1.15;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-meta {
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-bright);
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .news-card-media {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .news-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .news-card:hover .news-card-media img {
            transform: scale(1.06);
        }
        .news-card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: rgba(16, 185, 129, 0.9);
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .news-card-tag.amber {
            background: rgba(245, 158, 11, 0.9);
        }
        .news-card-tag.indigo {
            background: rgba(99, 102, 241, 0.9);
        }
        .news-card-tag.rose {
            background: rgba(244, 63, 94, 0.9);
        }
        .news-card-body {
            padding: 26px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card-title {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.4;
            color: #fff;
            margin-bottom: 10px;
            transition: color 0.25s ease;
        }
        .news-card:hover .news-card-title {
            color: var(--brand-light);
        }
        .news-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex: 1;
        }
        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-faint);
        }
        .news-card-footer a {
            color: var(--brand-light);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-footer a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .news-card-body {
                padding: 20px 18px;
            }
            .news-card-title {
                font-size: 17px;
            }
        }
        .split-layout {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 36px;
            align-items: start;
        }
        .feature-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            background: url('/assets/images/coverpic/cover-7.png') center center / cover no-repeat;
            isolation: isolate;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(5, 10, 20, 0.95) 0%, rgba(5, 10, 20, 0.4) 50%, transparent 100%);
            z-index: 1;
        }
        .feature-card-content {
            position: relative;
            z-index: 2;
            padding: 36px;
            max-width: 480px;
        }
        .feature-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 800;
            color: #fff;
            background: rgba(16, 185, 129, 0.9);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .feature-card-title {
            font-size: 28px;
            font-weight: 900;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 12px;
        }
        .feature-card-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .trend-list {
            display: flex;
            flex-direction: column;
        }
        .trend-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px 0;
            border-bottom: 1px solid var(--border-soft);
            transition: background 0.25s ease, padding 0.25s ease;
        }
        .trend-item:last-child {
            border-bottom: none;
        }
        .trend-item:hover {
            background: rgba(255, 255, 255, 0.03);
            padding-left: 12px;
            padding-right: 12px;
            border-radius: 12px;
        }
        .trend-num {
            font-size: 22px;
            font-weight: 900;
            color: rgba(16, 185, 129, 0.7);
            font-family: 'Georgia', serif;
            line-height: 1;
            width: 44px;
            flex-shrink: 0;
            text-align: center;
            padding-top: 4px;
        }
        .trend-info {
            flex: 1;
            min-width: 0;
        }
        .trend-tagline {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }
        .trend-tagline .tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--brand-light);
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.25);
            padding: 3px 10px;
            border-radius: 999px;
        }
        .trend-tagline .date {
            font-size: 12px;
            color: var(--text-faint);
        }
        .trend-title {
            font-size: 16px;
            font-weight: 700;
            color: #e8edf5;
            line-height: 1.45;
            transition: color 0.2s ease;
        }
        .trend-item:hover .trend-title {
            color: var(--brand-light);
        }
        @media (max-width: 1024px) {
            .split-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-card {
                min-height: 340px;
            }
        }
        @media (max-width: 520px) {
            .feature-card-content {
                padding: 24px 20px;
            }
            .feature-card-title {
                font-size: 22px;
            }
            .trend-item {
                gap: 12px;
            }
            .trend-num {
                width: 34px;
                font-size: 18px;
            }
        }
        .stats-section {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.02)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            position: relative;
            isolation: isolate;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 13, 26, 0.88);
            z-index: -1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 36px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
        }
        .stat-item:hover {
            transform: translateY(-6px);
            border-color: rgba(16, 185, 129, 0.35);
            background: rgba(16, 185, 129, 0.06);
        }
        .stat-num {
            font-size: 52px;
            font-weight: 900;
            line-height: 1;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .stat-num span {
            color: var(--brand-light);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-item {
                padding: 22px 14px;
            }
            .stat-num {
                font-size: 36px;
            }
        }
        .info-blocks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .info-block {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius);
            padding: 38px 32px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        .info-block::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.15), transparent 70%);
            border-radius: 0 0 0 80px;
        }
        .info-block:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-bright);
            transform: translateY(-6px);
            box-shadow: var(--shadow-soft);
        }
        .info-block-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-light);
            margin-bottom: 22px;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }
        .info-block-title {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .info-block-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .info-block ul {
            list-style: none;
            padding: 0;
        }
        .info-block ul li {
            font-size: 14px;
            color: rgba(230, 237, 247, 0.6);
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .info-block ul li i {
            color: var(--brand-light);
            font-size: 12px;
        }
        @media (max-width: 1024px) {
            .info-blocks {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .info-blocks {
                grid-template-columns: 1fr;
            }
            .info-block {
                padding: 28px 22px;
            }
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .faq-item[open] {
            border-color: rgba(16, 185, 129, 0.3);
            background: rgba(16, 185, 129, 0.03);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 24px 28px;
            font-size: 16px;
            font-weight: 700;
            color: #e8edf5;
            cursor: pointer;
            list-style: none;
            transition: color 0.2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--brand-light);
        }
        .faq-item summary .faqs-i {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--brand-light);
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item[open] summary .faqs-i {
            transform: rotate(180deg);
            background: rgba(16, 185, 129, 0.2);
        }
        .faq-item .faq-body {
            padding: 0 28px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        @media (max-width: 520px) {
            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-item .faq-body {
                padding: 0 20px 18px;
            }
        }
        .cta-box {
            border-radius: 24px;
            padding: 72px 56px;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.16), rgba(16, 185, 129, 0.04)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            position: relative;
            isolation: isolate;
            text-align: center;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 13, 26, 0.9), rgba(7, 13, 26, 0.7));
            z-index: -1;
            border-radius: 24px;
        }
        .cta-box h2 {
            font-size: 36px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(230, 237, 247, 0.7);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-box .btn {
            margin: 0 6px;
        }
        @media (max-width: 640px) {
            .cta-box {
                padding: 48px 24px;
                border-radius: 18px;
            }
            .cta-box h2 {
                font-size: 27px;
            }
            .cta-box p {
                font-size: 14px;
            }
            .cta-box .btn {
                width: 100%;
                justify-content: center;
                margin: 6px 0;
            }
        }
        .site-footer {
            background: #050a14;
            border-top: 1px solid var(--border-soft);
            margin-top: 40px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
            padding: 6px 0;
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-link:hover {
            color: var(--brand-light);
            padding-left: 6px;
        }
        .btn:active {
            transform: translateY(0) scale(0.98);
        }
        .mobile-menu {
            display: none;
        }
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .header-inner {
                gap: 14px;
            }
            .logo-text {
                font-size: 18px;
            }
        }

/* roulang page: article */
:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --bg-body: #0b1220;
    --bg-card: rgba(255,255,255,0.03);
    --text-main: #f1f5f9;
    --text-muted: rgba(255,255,255,0.5);
    --border: rgba(255,255,255,0.08);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.3s; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 18, 32, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 76px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #10b981, #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
    font-size: 20px;
    box-shadow: 0 4px 16px rgba(16,185,129,0.3);
}
.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.search-form {
    flex: 1;
    max-width: 420px;
    margin: 0 auto;
    position: relative;
}
.search-form input {
    width: 100%;
    height: 44px;
    border-radius: 22px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    padding: 0 48px 0 18px;
    font-size: 14px;
    outline: none;
    transition: all 0.3s;
}
.search-form input::placeholder { color: rgba(255,255,255,0.4); }
.search-form input:focus {
    background: rgba(255,255,255,0.1);
    border-color: rgba(16,185,129,0.5);
    box-shadow: 0 0 0 4px rgba(16,185,129,0.1);
}
.search-form .search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all 0.3s;
}
.search-form .search-btn:hover { transform: translateY(-50%) scale(1.05); }
.nav-links { flex-shrink: 0; }
.nav-link {
    padding: 8px 16px;
    border-radius: 12px;
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-link.active {
    color: #10b981;
    background: rgba(16,185,129,0.12);
    font-weight: 600;
}
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.08);
    color: #fff;
    font-size: 18px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.section { padding: 72px 0; }
.section-title { font-size: 28px; font-weight: 700; color: #fff; line-height: 1.3; }
.section-subtitle { color: rgba(255,255,255,0.5); font-size: 15px; max-width: 640px; }
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.card-hover:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.06);
    border-color: rgba(16,185,129,0.2);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 20px;
    background: rgba(16,185,129,0.1);
    color: #34d399;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid rgba(16,185,129,0.2);
    transition: all 0.3s;
}
.tag:hover { background: rgba(16,185,129,0.2); transform: translateY(-1px); }
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(16,185,129,0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(16,185,129,0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    background: transparent;
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid rgba(255,255,255,0.25);
    transition: all 0.3s;
}
.btn-outline:hover { border-color: #10b981; color: #10b981; background: rgba(16,185,129,0.08); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.breadcrumb a:hover { color: #34d399; }
.breadcrumb .sep { color: rgba(255,255,255,0.25); }
.hero-gradient {
    background: linear-gradient(to bottom, rgba(11,18,32,0.55), rgba(11,18,32,0.82) 55%, #0b1220 100%);
}
.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255,255,255,0.85);
}
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: #fff;
    line-height: 1.4;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 14px;
    color: #fff;
}
.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 12px;
    color: #fff;
}
.article-content p { margin-bottom: 20px; }
.article-content img {
    border-radius: 14px;
    margin: 28px 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 20px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
    border-left: 4px solid #10b981;
    background: rgba(16,185,129,0.07);
    padding: 16px 20px;
    border-radius: 0 14px 14px 0;
    margin: 28px 0;
    color: rgba(255,255,255,0.75);
    font-style: italic;
}
.article-content a { color: #34d399; text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: #10b981; }
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
}
.article-content table th,
.article-content table td {
    border: 1px solid rgba(255,255,255,0.1);
    padding: 12px 16px;
    text-align: left;
}
.article-content table th { background: rgba(255,255,255,0.06); font-weight: 600; color: #fff; }
.article-content pre {
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 16px 20px;
    overflow-x: auto;
    margin: 24px 0;
    font-size: 14px;
    line-height: 1.6;
}
.article-content code {
    background: rgba(255,255,255,0.08);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.9em;
}
.article-content pre code { background: none; padding: 0; }
.cta-section { position: relative; overflow: hidden; padding: 88px 0; }
.cta-section .cta-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.cta-section .cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11,18,32,0.6) 0%, rgba(11,18,32,0.92) 100%);
}
.cta-section .cta-content { position: relative; z-index: 2; }
.site-footer { background: #070d18; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-link {
    display: block;
    padding: 6px 0;
    color: rgba(255,255,255,0.45);
    font-size: 14px;
    transition: all 0.3s;
}
.footer-link:hover { color: #34d399; padding-left: 4px; }
.side-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 24px;
}
.side-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}
.recommend-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.35s ease;
    display: block;
}
.recommend-card:hover {
    transform: translateY(-6px);
    border-color: rgba(16,185,129,0.25);
    box-shadow: 0 16px 48px rgba(0,0,0,0.35);
}
.recommend-card:hover .recommend-img { transform: scale(1.05); }
.recommend-img-wrap { position: relative; height: 180px; overflow: hidden; }
.recommend-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
}

@media (max-width: 1024px) {
    .menu-toggle { display: flex; }
    .search-form { display: none; }
    .nav-links {
        position: fixed;
        top: 76px;
        left: 24px;
        right: 24px;
        background: rgba(11,18,32,0.97);
        backdrop-filter: blur(18px);
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 16px;
        border-radius: 0 0 20px 20px;
        border: 1px solid rgba(255,255,255,0.08);
        box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }
    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-link {
        display: block;
        padding: 14px 18px;
        border-radius: 12px;
        color: rgba(255,255,255,0.75);
        font-size: 15px;
    }
    .nav-link.active { background: rgba(16,185,129,0.12); color: #10b981; }
}
@media (max-width: 768px) {
    .header-inner { height: 64px; }
    .nav-links { top: 64px; }
    .container { padding: 0 20px; }
    .section { padding: 48px 0; }
    .section-title { font-size: 24px; }
}
@media (max-width: 520px) {
    .logo-text { font-size: 16px; }
    .card { border-radius: 14px; }
    .cta-section { padding: 56px 0; }
}

/* roulang page: category2 */
:root {
            --primary: #10b981;
            --primary-dark: #059669;
            --primary-glow: rgba(16, 185, 129, 0.35);
            --bg: #0b1120;
            --bg-soft: rgba(255, 255, 255, 0.025);
            --text-main: #f8fafc;
            --text-weak: rgba(248, 250, 252, 0.55);
            --text-faint: rgba(248, 250, 252, 0.35);
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-sm: 0.75rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 17, 32, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header.scrolled {
            background: rgba(11, 17, 32, 0.94);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
        }
        .nav-link {
            position: relative;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-weak);
            padding: 0.45rem 0.2rem;
            letter-spacing: 0.02em;
            transition: color .25s ease;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link.active {
            color: #fff;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 999px;
            background: linear-gradient(90deg, #34d399, #10b981);
            box-shadow: 0 0 12px rgba(52, 211, 153, 0.5);
        }

        .search-box input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            transition: all .3s ease;
        }
        .search-box input:hover {
            border-color: rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }
        .search-box input:focus {
            outline: none;
            border-color: rgba(52, 211, 153, 0.45);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
            background: rgba(255, 255, 255, 0.07);
        }
        .search-box i {
            pointer-events: none;
        }

        .mobile-menu {
            background: rgba(11, 17, 32, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform .35s ease, opacity .35s ease;
        }
        .mobile-nav-link {
            border: 1px solid transparent;
            padding: 0.75rem 1rem;
            border-radius: 0.75rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: all .25s ease;
        }
        .mobile-nav-link:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }
        .mobile-nav-link.active {
            background: rgba(16, 185, 129, 0.1);
            color: #34d399;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 1.75rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all .3s ease;
        }
        .btn-primary {
            background: linear-gradient(135deg, #34d399, #059669);
            color: #04140c;
            box-shadow: 0 8px 30px rgba(16, 185, 129, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(16, 185, 129, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-2px);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }

        .section {
            padding: 4.5rem 0;
        }
        @media (min-width: 1024px) {
            .section {
                padding: 6rem 0;
            }
        }
        .section-alt {
            background: rgba(255, 255, 255, 0.025);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: #34d399;
            background: rgba(16, 185, 129, 0.08);
            border: 1px solid rgba(16, 185, 129, 0.18);
            padding: .4rem 1rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: .75rem;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 1.02rem;
        }

        .card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: all .35s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(16, 185, 129, 0.25);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 24px rgba(16, 185, 129, 0.06);
        }
        .card-icon {
            width: 3.25rem;
            height: 3.25rem;
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #34d399;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.18);
            margin-bottom: 1.25rem;
            transition: all .3s ease;
        }
        .card:hover .card-icon {
            background: rgba(16, 185, 129, 0.2);
            transform: scale(1.05);
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: .55rem;
        }
        .card p {
            color: var(--text-weak);
            font-size: .9rem;
            line-height: 1.65;
        }

        .image-panel {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
        }
        .image-panel::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 17, 32, 0.5));
        }
        .image-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
            transition: transform .6s ease;
        }
        .image-panel:hover img {
            transform: scale(1.03);
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0 0;
            display: grid;
            gap: 1rem;
        }
        .check-list li {
            position: relative;
            padding-left: 2.2rem;
            color: rgba(255, 255, 255, 0.85);
            font-size: .95rem;
        }
        .check-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.15rem;
            width: 1.45rem;
            height: 1.45rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.14);
            color: #34d399;
            font-size: .65rem;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }
        .check-list strong {
            color: #fff;
            font-weight: 600;
        }

        .bg-overlay {
            background: rgba(11, 17, 32, 0.87);
        }

        .timeline {
            position: relative;
            max-width: 780px;
            margin: 0 auto;
            padding: 0.5rem 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 1rem;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(16, 185, 129, 0.4), rgba(16, 185, 129, 0.05));
            border-radius: 999px;
        }
        .timeline-item {
            position: relative;
            padding-left: 3.5rem;
            margin-bottom: 1.75rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0.475rem;
            top: 0.55rem;
            width: 1.15rem;
            height: 1.15rem;
            border-radius: 50%;
            background: #10b981;
            border: 3px solid rgba(11, 17, 32, 0.9);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
        }
        .timeline-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            transition: all .3s ease;
        }
        .timeline-card:hover {
            border-color: rgba(16, 185, 129, 0.3);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.25);
        }
        .timeline-time {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .8rem;
            font-weight: 600;
            color: #34d399;
            background: rgba(16, 185, 129, 0.08);
            border: 1px solid rgba(16, 185, 129, 0.15);
            padding: .3rem .9rem;
            border-radius: 999px;
            margin-bottom: .6rem;
        }
        .timeline-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: .35rem;
        }
        .timeline-card p {
            color: var(--text-weak);
            font-size: .88rem;
        }

        .step {
            position: relative;
            text-align: center;
            padding: 1.9rem 1.25rem;
        }
        .step-num {
            display: flex;
            width: 3.1rem;
            height: 3.1rem;
            margin: 0 auto 1.1rem;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            font-weight: 800;
            color: #04140c;
            background: linear-gradient(135deg, #34d399, #059669);
            border-radius: 1rem;
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.28);
        }
        .step h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: .45rem;
        }
        .step p {
            font-size: .88rem;
            color: var(--text-weak);
            max-width: 220px;
            margin: 0 auto;
        }
        .step::after {
            content: '';
            position: absolute;
            top: 2.6rem;
            left: calc(50% + 2.5rem);
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, rgba(16, 185, 129, 0.3), rgba(16, 185, 129, 0.05));
            border-radius: 999px;
        }
        .step:last-child::after {
            display: none;
        }
        @media (max-width: 1023px) {
            .step::after {
                display: none;
            }
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item[open] {
            border-color: rgba(16, 185, 129, 0.25);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.3rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: .98rem;
            color: #f1f5f9;
            transition: color .3s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: #34d399;
        }
        .faq-icon {
            width: 2rem;
            height: 2rem;
            min-width: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            font-size: .7rem;
            color: var(--text-weak);
            transition: all .35s ease;
        }
        .faq-item[open] .faq-icon {
            background: rgba(16, 185, 129, 0.15);
            color: #34d399;
            transform: rotate(180deg);
        }
        .faq-content {
            padding: 0 1.5rem 1.4rem;
            color: var(--text-weak);
            font-size: .92rem;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1rem;
            margin-top: 0.2rem;
        }

        .cta-panel {
            position: relative;
            border-radius: 2rem;
            overflow: hidden;
            padding: 3.5rem 2rem;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.92), rgba(6, 8, 18, 0.88));
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.7rem, 3.5vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.2;
            margin-bottom: .8rem;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 1.8rem;
        }

        footer {
            background: #070c18;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-title {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            letter-spacing: .03em;
            margin-bottom: 1.1rem;
        }
        .footer-link {
            display: block;
            padding: .35rem 0;
            color: rgba(255, 255, 255, 0.45);
            font-size: .9rem;
            transition: color .25s ease, padding-left .25s ease;
        }
        .footer-link:hover {
            color: #34d399;
            padding-left: .35rem;
        }
        .footer-link.active {
            color: #34d399;
        }

        .page-hero {
            position: relative;
            overflow: hidden;
        }
        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            animation: heroZoom 18s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            from {
                transform: scale(1.0);
            }
            to {
                transform: scale(1.08);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 17, 32, 0.55) 0%, rgba(11, 17, 32, 0.75) 45%, rgba(11, 17, 32, 0.95) 100%);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: .55rem;
            padding: .45rem 1.1rem;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 600;
            color: #34d399;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.2);
            backdrop-filter: blur(8px);
            margin-bottom: 1.2rem;
        }

        @media (max-width: 640px) {
            .section {
                padding: 3.5rem 0;
            }
            .section-head {
                margin-bottom: 2.25rem;
            }
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid #34d399;
            outline-offset: 3px;
            border-radius: 6px;
        }