/* roulang page: index */
:root {
            --ink: #0c1017;
            --ink-soft: #111823;
            --panel: #151d28;
            --panel-light: #1c2734;
            --gold: #e5b75c;
            --gold-light: #f7d98e;
            --cyan: #7de3dc;
            --text: #f5f7fa;
            --muted: #aab5c5;
            --line: rgba(255,255,255,.11);
            --radius-xl: 30px;
            --radius-lg: 22px;
            --shadow: 0 18px 60px rgba(0,0,0,.22);
        }

        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--text);
            background:
                radial-gradient(circle at 80% 0%, rgba(125,227,220,.08), transparent 27rem),
                var(--ink);
            font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input, textarea { font: inherit; }
        button { cursor: pointer; }
        :focus-visible {
            outline: 3px solid var(--cyan);
            outline-offset: 4px;
        }
        .container {
            width: min(1180px, calc(100% - 40px));
            margin: 0 auto;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(12,16,23,.82);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(18px);
        }
        .nav-shell {
            height: 78px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: max-content;
            font-weight: 800;
            letter-spacing: -.03em;
        }
        .brand-mark {
            width: 35px;
            height: 35px;
            display: grid;
            place-items: center;
            color: var(--ink);
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            border-radius: 12px;
            font-weight: 900;
            box-shadow: 0 0 22px rgba(229,183,92,.2);
        }
        .brand-text { font-size: 15px; }
        .nav-links {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: var(--muted);
            font-size: 13px;
            padding: 9px 12px;
            border-radius: 10px;
            transition: .25s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text);
            background: rgba(255,255,255,.08);
        }
        .nav-links a.active { color: var(--gold-light); }
        .menu-toggle {
            display: none;
            color: var(--text);
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 8px 11px;
        }
        .hero {
            position: relative;
            min-height: 650px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(12,16,23,.98) 9%, rgba(12,16,23,.84) 47%, rgba(12,16,23,.35) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        }
        .hero::after {
            content: "";
            position: absolute;
            inset: auto 0 0;
            height: 130px;
            background: linear-gradient(transparent, var(--ink));
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            padding: 88px 0 115px;
            max-width: 760px;
        }
        .eyebrow, .section-kicker, .badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .12em;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--gold);
        }
        h1, h2, h3, p { margin-top: 0; }
        h1 {
            max-width: 760px;
            margin: 22px 0 24px;
            font-size: clamp(40px, 6vw, 76px);
            line-height: 1.08;
            letter-spacing: -.065em;
            font-weight: 900;
        }
        .hero-copy {
            max-width: 690px;
            color: #d3d9e3;
            font-size: 17px;
            line-height: 1.9;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 34px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 48px;
            padding: 0 20px;
            border-radius: 13px;
            border: 1px solid transparent;
            font-weight: 800;
            font-size: 14px;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
        }
        .btn:hover { transform: translateY(-2px); }
        .btn-primary {
            color: var(--ink);
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
            box-shadow: 0 12px 30px rgba(229,183,92,.18);
        }
        .btn-primary:hover { box-shadow: 0 15px 38px rgba(229,183,92,.3); }
        .btn-secondary {
            color: var(--text);
            border-color: rgba(255,255,255,.18);
            background: rgba(255,255,255,.06);
        }
        .btn-secondary:hover { background: rgba(255,255,255,.12); }
        .hero-metrics {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 50px;
        }
        .metric strong {
            display: block;
            color: var(--gold-light);
            font-size: 28px;
            line-height: 1.1;
        }
        .metric span { color: var(--muted); font-size: 12px; }
        .section { padding: 100px 0; }
        .section.compact { padding-top: 72px; padding-bottom: 72px; }
        .section-head {
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-kicker { margin-bottom: 13px; color: var(--cyan); }
        h2 {
            margin-bottom: 15px;
            color: var(--text);
            font-size: clamp(30px, 4vw, 48px);
            line-height: 1.16;
            letter-spacing: -.045em;
            font-weight: 850;
        }
        .section-head p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.85;
        }
        .dark-panel {
            background: linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.025));
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow);
        }
        .directory-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .directory-card {
            min-height: 190px;
            position: relative;
            padding: 24px;
            overflow: hidden;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: var(--panel);
            transition: .28s ease;
        }
        .directory-card::after {
            content: attr(data-no);
            position: absolute;
            right: 18px;
            bottom: 8px;
            color: rgba(255,255,255,.05);
            font-size: 70px;
            font-weight: 900;
        }
        .directory-card:hover {
            transform: translateY(-5px);
            border-color: rgba(229,183,92,.55);
            box-shadow: var(--shadow);
        }
        .directory-card h3 { margin: 18px 0 9px; font-size: 20px; }
        .directory-card p, .feature-card p, .scene-card p, .resource-card p {
            position: relative;
            z-index: 1;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }
        .card-icon {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            color: var(--ink);
            background: linear-gradient(135deg, var(--cyan), #4aa9b9);
            border-radius: 14px;
            font-weight: 900;
        }
        .value-layout {
            display: grid;
            grid-template-columns: 1fr 1.15fr;
            gap: 20px;
            align-items: stretch;
        }
        .value-feature {
            min-height: 430px;
            padding: 38px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background:
                linear-gradient(0deg, rgba(8,12,18,.96), rgba(8,12,18,.12)),
                url('/assets/images/coverpic/cover-4.webp') center/cover;
            border: 1px solid var(--line);
        }
        .value-feature h3 { font-size: 30px; line-height: 1.25; margin-bottom: 13px; }
        .value-feature p { max-width: 450px; color: #d4dbe5; }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .feature-card {
            padding: 27px;
            border-radius: var(--radius-lg);
            background: var(--panel);
            border: 1px solid var(--line);
            transition: .25s ease;
        }
        .feature-card:hover { border-color: rgba(125,227,220,.46); transform: translateY(-3px); }
        .feature-card h3 { margin: 19px 0 9px; font-size: 19px; }
        .process {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .process-step {
            position: relative;
            min-height: 220px;
            padding: 30px 25px 28px;
            border-right: 1px solid var(--line);
        }
        .process-step:last-child { border-right: 0; }
        .step-no {
            color: var(--gold);
            font-size: 13px;
            font-weight: 900;
            letter-spacing: .12em;
        }
        .process-step h3 { margin: 25px 0 10px; font-size: 20px; }
        .process-step p { color: var(--muted); font-size: 14px; line-height: 1.75; }
        .chart-layout {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 20px;
        }
        .chart-panel, .data-panel {
            padding: 32px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--line);
            background: var(--panel);
        }
        .chart-panel h3, .data-panel h3 { margin-bottom: 24px; font-size: 21px; }
        .bar-row {
            display: grid;
            grid-template-columns: 105px 1fr 48px;
            align-items: center;
            gap: 14px;
            margin: 21px 0;
            color: var(--muted);
            font-size: 13px;
        }
        .bar-track {
            height: 10px;
            overflow: hidden;
            border-radius: 20px;
            background: rgba(255,255,255,.09);
        }
        .bar-fill {
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--cyan), var(--gold));
        }
        .bar-row strong { color: var(--text); text-align: right; }
        .data-list { display: grid; gap: 15px; }
        .data-item {
            padding: 17px 0;
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 16px;
            border-bottom: 1px solid var(--line);
        }
        .data-item:last-child { border-bottom: 0; }
        .data-item span { color: var(--muted); font-size: 14px; }
        .data-item strong { color: var(--gold-light); font-size: 25px; }
        .case-grid, .scene-grid, .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .case-card {
            overflow: hidden;
            border-radius: var(--radius-lg);
            background: var(--panel);
            border: 1px solid var(--line);
        }
        .case-card img { width: 100%; height: 190px; object-fit: cover; }
        .case-body { padding: 24px; }
        .case-body h3 { margin: 12px 0 9px; font-size: 20px; }
        .case-body p { color: var(--muted); font-size: 14px; line-height: 1.75; }
        .badge {
            padding: 5px 9px;
            border-radius: 999px;
            color: var(--cyan);
            background: rgba(125,227,220,.1);
            letter-spacing: .04em;
        }
        .scene-card {
            padding: 27px;
            min-height: 220px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background:
                radial-gradient(circle at 100% 0%, rgba(229,183,92,.13), transparent 13rem),
                var(--panel);
        }
        .scene-card h3 { margin: 16px 0 10px; font-size: 21px; }
        .safety-layout {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 20px;
            align-items: stretch;
        }
        .safety-intro {
            padding: 36px;
            border-radius: var(--radius-xl);
            background: linear-gradient(145deg, #272014, #171b22);
            border: 1px solid rgba(229,183,92,.28);
        }
        .safety-intro h3 { margin: 20px 0 12px; font-size: 27px; }
        .safety-intro p { color: var(--muted); font-size: 15px; }
        .safety-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .safety-item {
            padding: 25px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: var(--panel);
        }
        .safety-item strong { display: block; margin-bottom: 8px; font-size: 17px; }
        .safety-item span { color: var(--muted); font-size: 14px; }
        .resource-card {
            min-height: 205px;
            padding: 25px;
            border-radius: var(--radius-lg);
            background: var(--panel);
            border: 1px solid var(--line);
            transition: .25s ease;
        }
        .resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
        .resource-card h3 { margin: 18px 0 9px; font-size: 19px; }
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr .7fr;
            gap: 20px;
        }
        .news-list, .news-feature {
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            background: var(--panel);
        }
        .news-list a {
            display: grid;
            grid-template-columns: 96px 1fr auto;
            align-items: center;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--line);
            transition: .2s ease;
        }
        .news-list a:last-child { border-bottom: 0; }
        .news-list a:hover h3 { color: var(--gold-light); }
        .news-date { color: var(--cyan); font-size: 12px; font-weight: 800; }
        .news-list h3 { margin: 0; font-size: 16px; transition: .2s ease; }
        .news-list p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
        .arrow { color: var(--gold); font-size: 22px; }
        .news-feature {
            background:
                linear-gradient(0deg, rgba(12,16,23,.95), rgba(12,16,23,.2)),
                url('/assets/images/coverpic/cover-13.webp') center/cover;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 360px;
        }
        .news-feature h3 { margin: 15px 0 9px; font-size: 25px; line-height: 1.3; }
        .news-feature p { color: #d2d9e2; font-size: 14px; }
        .form-section {
            padding: 42px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 45px;
            align-items: center;
            border-radius: var(--radius-xl);
            background:
                linear-gradient(115deg, rgba(229,183,92,.18), rgba(125,227,220,.08)),
                var(--panel);
            border: 1px solid rgba(229,183,92,.3);
            box-shadow: var(--shadow);
        }
        .form-section h2 { margin-bottom: 12px; }
        .form-section p { color: var(--muted); font-size: 15px; }
        .form-grid { display: grid; gap: 12px; }
        .form-grid input, .form-grid textarea {
            width: 100%;
            color: var(--text);
            background: rgba(0,0,0,.22);
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 13px 15px;
            outline: none;
            transition: .2s ease;
        }
        .form-grid textarea { min-height: 100px; resize: vertical; }
        .form-grid input:focus, .form-grid textarea:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 0 3px rgba(125,227,220,.1);
        }
        .form-note { margin: 0; color: var(--muted); font-size: 12px; }
        .site-footer {
            padding: 58px 0 25px;
            border-top: 1px solid var(--line);
            background: #090d13;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr .8fr .8fr;
            gap: 40px;
            padding-bottom: 45px;
        }
        .footer-top p { max-width: 380px; color: var(--muted); font-size: 14px; }
        .footer-col h3 { margin-bottom: 15px; color: var(--gold-light); font-size: 14px; }
        .footer-col a { display: block; color: var(--muted); font-size: 13px; margin: 8px 0; transition: .2s ease; }
        .footer-col a:hover { color: var(--text); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
            color: #778292;
            font-size: 12px;
        }
        .section-alt { background: rgba(255,255,255,.018); }
        @media (max-width: 1024px) {
            .nav-links a { padding-left: 8px; padding-right: 8px; }
            .directory-grid { grid-template-columns: repeat(2, 1fr); }
            .value-layout, .chart-layout, .safety-layout, .news-layout { grid-template-columns: 1fr; }
            .case-grid, .scene-grid, .resource-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 28px, 650px); }
            .nav-shell { height: 68px; }
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 14px;
                right: 14px;
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(15,21,29,.98);
                border: 1px solid var(--line);
                border-radius: 16px;
                box-shadow: var(--shadow);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 14px; }
            .hero { min-height: 620px; }
            .hero-content { padding: 70px 0 95px; }
            .section { padding: 72px 0; }
            .process { grid-template-columns: repeat(2, 1fr); }
            .process-step:nth-child(2) { border-right: 0; }
            .process-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .form-section { grid-template-columns: 1fr; padding: 28px; gap: 25px; }
            .footer-top { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            h1 { font-size: 41px; }
            .hero-copy { font-size: 15px; }
            .directory-grid, .feature-grid, .case-grid, .scene-grid, .resource-grid, .safety-list { grid-template-columns: 1fr; }
            .value-feature { min-height: 360px; padding: 26px; }
            .process { grid-template-columns: 1fr; }
            .process-step, .process-step:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
            .process-step:last-child { border-bottom: 0; }
            .bar-row { grid-template-columns: 82px 1fr 38px; gap: 8px; }
            .news-list a { grid-template-columns: 1fr auto; gap: 4px 12px; }
            .news-date { grid-column: 1 / -1; }
            .news-list p { grid-column: 1 / -1; }
            .news-feature { min-height: 300px; padding: 24px; }
            .footer-top, .footer-bottom { grid-template-columns: 1fr; display: grid; }
        }

/* roulang page: category2 */
:root {
      --ink:#0c1017;
      --ink-soft:#111823;
      --panel:#151d28;
      --panel-light:#1c2734;
      --gold:#e5b75c;
      --gold-light:#f7d98e;
      --cyan:#7de3dc;
      --text:#f5f7fa;
      --muted:#aab5c5;
      --line:rgba(255,255,255,.11);
      --radius-xl:30px;
      --radius-lg:22px;
      --shadow:0 18px 60px rgba(0,0,0,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--text);background:
      radial-gradient(circle at 82% 0%,rgba(125,227,220,.08),transparent 28rem),var(--ink);
      font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;-webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}
    .brand-text{font-size:15px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}
    .nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-links a.active{color:var(--gold-light)}
    .menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .inner-hero{position:relative;overflow:hidden;min-height:470px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(12,16,23,.98) 8%,rgba(12,16,23,.88) 48%,rgba(12,16,23,.42)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .inner-hero:after{content:"";position:absolute;inset:auto 0 0;height:100px;background:linear-gradient(transparent,var(--ink));pointer-events:none}
    .hero-content{position:relative;z-index:1;padding:82px 0 88px;max-width:790px}
    .eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5.2vw,70px);line-height:1.13;letter-spacing:-.055em;margin:20px 0}
    h2{font-size:clamp(28px,3.3vw,46px);line-height:1.2;letter-spacing:-.04em;margin-bottom:16px}
    h3{font-size:20px;line-height:1.4;margin-bottom:10px}
    .hero-copy{max-width:710px;color:#d3d9e3;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}
    .btn-primary:hover{box-shadow:0 15px 38px rgba(229,183,92,.3)}
    .btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
    .btn-secondary:hover{background:rgba(255,255,255,.12)}
    .section{padding:96px 0}
    .section.compact{padding-top:70px;padding-bottom:70px}
    .section-head{max-width:730px;margin-bottom:38px}
    .section-kicker{color:var(--cyan);margin-bottom:12px}
    .section-head p,.muted{color:var(--muted);font-size:16px;line-height:1.85}
    .split{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
    .feature-image{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--panel);box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:390px;object-fit:cover;opacity:.88;transition:transform .5s ease}
    .feature-image:hover img{transform:scale(1.035)}
    .pill-list{display:grid;gap:12px;margin:25px 0 0;padding:0;list-style:none}
    .pill-list li{display:flex;gap:13px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.035);color:#dce2ea}
    .pill-list li:before{content:"✓";display:grid;place-items:center;flex:none;width:23px;height:23px;border-radius:50%;color:var(--ink);background:var(--cyan);font-size:12px;font-weight:900}
    .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .card{padding:26px;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(145deg,var(--panel),rgba(21,29,40,.72));transition:.28s ease}
    .card:hover{transform:translateY(-5px);border-color:rgba(125,227,220,.35);box-shadow:var(--shadow)}
    .card .num{display:inline-grid;place-items:center;width:32px;height:32px;margin-bottom:21px;border-radius:10px;color:var(--ink);background:var(--gold);font-size:13px;font-weight:900}
    .card p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:0}
    .dark-band{background:linear-gradient(135deg,#111b27,#172a36);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:26px 22px;border-radius:20px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1)}
    .metric strong{display:block;color:var(--gold-light);font-size:34px;line-height:1.2;letter-spacing:-.04em}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .timeline:before{content:"";position:absolute;left:8%;right:8%;top:23px;height:1px;background:linear-gradient(90deg,var(--gold),var(--cyan));opacity:.55}
    .step{position:relative;z-index:1}
    .step-dot{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;color:var(--ink);background:var(--gold-light);font-weight:900;box-shadow:0 0 0 8px rgba(229,183,92,.08)}
    .step h3{margin-top:20px}
    .step p{color:var(--muted);font-size:14px;line-height:1.75}
    .article-list{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
    .article{display:flex;gap:20px;padding:20px;border:1px solid var(--line);border-radius:20px;background:var(--panel);transition:.25s ease}
    .article:hover{border-color:rgba(229,183,92,.45);background:var(--panel-light)}
    .article img{width:145px;height:105px;object-fit:cover;border-radius:14px}
    .article h3{font-size:17px;margin:2px 0 8px}
    .article p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .quote{padding:34px;border-radius:var(--radius-xl);border:1px solid rgba(125,227,220,.2);background:linear-gradient(135deg,rgba(125,227,220,.1),rgba(229,183,92,.06))}
    .quote blockquote{margin:0;color:#edf3f7;font-size:24px;line-height:1.65;letter-spacing:-.02em}
    .quote cite{display:block;margin-top:20px;color:var(--cyan);font-size:13px;font-style:normal}
    .cta{padding:58px 0;background:linear-gradient(110deg,rgba(229,183,92,.16),rgba(125,227,220,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta h2{margin-bottom:8px}
    .cta p{color:var(--muted);margin:0}
    .site-footer{padding:62px 0 24px;background:#090d13;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:50px;padding-bottom:45px}
    .footer-top p{max-width:370px;color:var(--muted);font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:10px}
    .footer-col h3{color:var(--text);font-size:14px;margin-bottom:8px}
    .footer-col a{color:var(--muted);font-size:13px;transition:.2s ease}
    .footer-col a:hover{color:var(--gold-light);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;padding-top:22px;border-top:1px solid var(--line);color:#778292;font-size:12px}
    :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px}.card-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){
      .container{width:min(100% - 28px,600px)}
      .nav-shell{height:68px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:68px;left:14px;right:14px;padding:12px;align-items:stretch;flex-direction:column;background:rgba(17,24,35,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a{padding:11px 13px}
      .inner-hero{min-height:500px}.hero-content{padding:70px 0 78px}
      .split,.article-list{grid-template-columns:1fr;gap:30px}
      .feature-image img{height:290px}.metric-grid{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:1fr 1fr;gap:24px}.timeline:before{display:none}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}
      .footer-top>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:39px}.section{padding:70px 0}.card-grid{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr 1fr}.metric strong{font-size:28px}
      .article{display:block}.article img{width:100%;height:170px;margin-bottom:16px}
      .timeline{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }

/* roulang page: category1 */
:root {
      --ink:#0c1017;
      --ink-soft:#111823;
      --panel:#151d28;
      --panel-light:#1c2734;
      --gold:#e5b75c;
      --gold-light:#f7d98e;
      --cyan:#7de3dc;
      --text:#f5f7fa;
      --muted:#aab5c5;
      --line:rgba(255,255,255,.11);
      --radius-xl:30px;
      --radius-lg:22px;
      --shadow:0 18px 60px rgba(0,0,0,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--text);background:
      radial-gradient(circle at 80% 0%,rgba(125,227,220,.08),transparent 27rem),var(--ink);
      font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}
    .brand-text{font-size:15px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}
    .nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-links a.active{color:var(--gold-light)}
    .menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .page-banner{position:relative;min-height:450px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(90deg,rgba(12,16,23,.98) 8%,rgba(12,16,23,.83) 48%,rgba(12,16,23,.4)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .page-banner:after{content:"";position:absolute;inset:auto 0 0;height:100px;background:linear-gradient(transparent,var(--ink))}
    .banner-content{position:relative;z-index:1;padding:76px 0 82px;max-width:780px}
    .eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(40px,6vw,72px);line-height:1.12;letter-spacing:-.06em;margin:20px 0}
    h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.045em;margin-bottom:16px}
    h3{font-size:20px;line-height:1.35;margin-bottom:10px}
    .banner-copy{max-width:690px;color:#d3d9e3;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,summary:focus-visible{outline:3px solid rgba(125,227,220,.65);outline-offset:3px}
    .btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}
    .btn-primary:hover{box-shadow:0 15px 38px rgba(229,183,92,.3)}
    .btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
    .btn-secondary:hover{background:rgba(255,255,255,.12)}
    .section{padding:96px 0}.section.compact{padding:68px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-kicker{margin-bottom:13px;color:var(--cyan)}
    .section-head p,.muted{color:var(--muted);font-size:16px;line-height:1.85}
    .surface{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow)}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
    .intro-panel{padding:38px}
    .intro-panel p{color:var(--muted);line-height:1.9}
    .image-panel{min-height:330px;overflow:hidden;border-radius:var(--radius-xl);position:relative}
    .image-panel img{width:100%;height:100%;object-fit:cover}
    .image-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(12,16,23,.05),rgba(12,16,23,.65))}
    .number-list{display:grid;gap:13px;margin:26px 0 0;padding:0;list-style:none}
    .number-list li{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-top:1px solid var(--line);color:#dce2ea}
    .number-list b{flex:0 0 30px;color:var(--gold);font-size:13px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .feature-card{min-height:245px;padding:27px;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(145deg,var(--panel-light),var(--panel));transition:.28s ease}
    .feature-card:hover{transform:translateY(-5px);border-color:rgba(229,183,92,.42);box-shadow:var(--shadow)}
    .icon{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),#48bcb8);font-weight:900;margin-bottom:22px}
    .feature-card p{color:var(--muted);font-size:14px;line-height:1.8}
    .split-section{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:center}
    .dark-band{background:linear-gradient(120deg,#121b27,#192836);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .workflow{display:grid;gap:0}
    .workflow-item{display:grid;grid-template-columns:88px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}
    .workflow-no{color:var(--gold);font-size:34px;font-weight:900;line-height:1}
    .workflow-item p{color:var(--muted);margin:0;font-size:14px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:26px 22px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.045)}
    .metric strong{display:block;color:var(--gold-light);font-size:34px;line-height:1.2;margin-bottom:7px}
    .metric span{color:var(--muted);font-size:13px}
    .quote{padding:36px;border-left:3px solid var(--gold);background:var(--panel);border-radius:0 var(--radius-lg) var(--radius-lg) 0}
    .quote p{font-size:22px;line-height:1.65;color:#eef1f5;margin-bottom:20px}
    .quote small{color:var(--cyan)}
    .article-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .article-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:.25s ease}
    .article-card:hover{transform:translateY(-4px);border-color:rgba(125,227,220,.35)}
    .article-card img{width:100%;height:190px;object-fit:cover}
    .article-body{padding:22px}.article-body p{color:var(--muted);font-size:14px}
    .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:rgba(125,227,220,.1);color:var(--cyan);font-size:12px;font-weight:700;margin-bottom:13px}
    .cta{padding:58px 64px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(120deg,rgba(229,183,92,.18),rgba(125,227,220,.1));border:1px solid rgba(229,183,92,.25);border-radius:var(--radius-xl)}
    .cta p{color:var(--muted);margin:0;max-width:650px}
    .site-footer{padding:64px 0 25px;background:#090d13;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:50px;padding-bottom:45px}
    .footer-top p{max-width:390px;color:var(--muted);font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:var(--text);margin-bottom:9px}
    .footer-col a{color:var(--muted);font-size:13px;transition:.2s}
    .footer-col a:hover{color:var(--gold-light);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid var(--line);color:#788596;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px}.feature-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){
      .container{width:min(100% - 30px,680px)}.nav-shell{height:70px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:15px;right:15px;top:76px;padding:12px;background:rgba(17,24,35,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:11px 14px}.page-banner{min-height:480px}
      .banner-content{padding:65px 0 78px}.intro-grid,.split-section,.article-grid{grid-template-columns:1fr;gap:18px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}.cta{padding:38px 28px;display:block}.cta .btn{margin-top:22px}
      .footer-top{grid-template-columns:1fr 1fr;gap:32px}.footer-top>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:42px}.section{padding:70px 0}.feature-grid{grid-template-columns:1fr}
      .intro-panel{padding:26px}.workflow-item{grid-template-columns:55px 1fr;gap:12px}.workflow-no{font-size:26px}
      .metric strong{font-size:28px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }

/* roulang page: category4 */
:root{--ink:#0c1017;--ink-soft:#111823;--panel:#151d28;--panel-light:#1c2734;--gold:#e5b75c;--gold-light:#f7d98e;--cyan:#7de3dc;--text:#f5f7fa;--muted:#aab5c5;--line:rgba(255,255,255,.11);--radius-xl:30px;--radius-lg:22px;--shadow:0 18px 60px rgba(0,0,0,.22)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 80% 0%,rgba(125,227,220,.08),transparent 27rem),var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}.brand-text{font-size:15px}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}.nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}.nav-links a.active{color:var(--gold-light)}.menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .page-banner{position:relative;overflow:hidden;min-height:445px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(12,16,23,.98) 10%,rgba(12,16,23,.8) 50%,rgba(12,16,23,.3)),url('/assets/images/backpic/back-4.webp') center/cover no-repeat}.page-banner:after{content:"";position:absolute;inset:auto 0 0;height:100px;background:linear-gradient(transparent,var(--ink));pointer-events:none}.banner-content{position:relative;z-index:1;padding:78px 0 92px;max-width:760px}.eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}h1,h2,h3,p{margin-top:0}.banner-content h1{margin:18px 0 18px;font-size:clamp(38px,6vw,68px);line-height:1.13;letter-spacing:-.055em}.lead{max-width:680px;color:#d3d9e3;font-size:17px;line-height:1.9}
    .section{padding:100px 0}.section.compact{padding-top:72px;padding-bottom:72px}.section-head{max-width:720px;margin-bottom:40px}.section-kicker{margin-bottom:13px;color:var(--cyan)}.section-title{margin:0 0 14px;font-size:clamp(28px,4vw,43px);line-height:1.25;letter-spacing:-.04em}.section-head p{color:var(--muted);font-size:16px;line-height:1.85}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.25s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}.btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}.btn-secondary:hover{background:rgba(255,255,255,.12)}.btn:focus,input:focus,textarea:focus,button:focus{outline:2px solid var(--cyan);outline-offset:3px}
    .split{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}.visual-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--panel);box-shadow:var(--shadow)}.visual-card img{width:100%;height:390px;object-fit:cover;opacity:.82}.visual-card figcaption{position:absolute;left:22px;right:22px;bottom:20px;padding:18px 20px;border:1px solid var(--line);border-radius:17px;background:rgba(12,16,23,.76);backdrop-filter:blur(12px);color:#dfe6ee}.copy p{color:var(--muted);font-size:16px}.check-list{display:grid;gap:14px;margin:25px 0 0;padding:0;list-style:none}.check-list li{display:flex;gap:12px;align-items:flex-start;color:#dce3eb}.check-list li:before{content:"↗";flex:none;color:var(--gold-light);font-weight:900}
    .tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(145deg,var(--panel),rgba(21,29,40,.64));transition:.28s ease}.tool-card:hover{transform:translateY(-5px);border-color:rgba(125,227,220,.4);box-shadow:var(--shadow)}.tool-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;color:var(--ink);background:linear-gradient(135deg,var(--cyan),#b9fff2);font-weight:900}.tool-card h3{margin:20px 0 9px;font-size:19px}.tool-card p{margin:0;color:var(--muted);font-size:14px}
    .dark-band{background:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{position:relative;padding:22px 25px 22px 0;border-top:1px solid rgba(125,227,220,.45)}.step:not(:last-child){margin-right:25px}.step-num{color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.1em}.step h3{margin:12px 0 8px;font-size:18px}.step p{color:var(--muted);font-size:14px;margin:0}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.metric{padding:28px;border-radius:var(--radius-lg);background:var(--panel);border:1px solid var(--line)}.metric strong{display:block;color:var(--gold-light);font-size:36px;line-height:1.2}.metric span{display:block;margin-top:8px;color:var(--muted);font-size:14px}
    .insight{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.insight-main,.quote{border-radius:var(--radius-xl);border:1px solid var(--line);background:var(--panel);padding:32px}.insight-main h3{font-size:25px;margin:0 0 13px}.insight-main p,.quote p{color:var(--muted)}.quote{background:linear-gradient(145deg,rgba(229,183,92,.16),var(--panel))}.quote p{font-size:18px;color:#e8edf2}.quote small{color:var(--gold-light)}
    .faq-list{display:grid;gap:11px;max-width:850px}.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:20px 22px;color:var(--text);background:transparent;border:0;font-weight:800}.faq-q span{color:var(--gold);font-size:20px;transition:.25s}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:15px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta{padding:55px 0;background:linear-gradient(110deg,rgba(229,183,92,.18),rgba(125,227,220,.1));border:1px solid var(--line);border-radius:var(--radius-xl)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0 0 9px;font-size:clamp(26px,4vw,40px)}.cta p{margin:0;color:var(--muted)}.site-footer{padding:72px 0 24px;border-top:1px solid var(--line);background:#0a0e14}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}.site-footer p{max-width:410px;color:var(--muted);font-size:14px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{margin:0 0 9px;color:var(--gold-light);font-size:14px}.footer-col a{color:var(--muted);font-size:14px;transition:.2s}.footer-col a:hover{color:var(--text);padding-left:4px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:55px;padding-top:20px;border-top:1px solid var(--line);color:#718092;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px}.split{gap:30px}.timeline{grid-template-columns:repeat(2,1fr);gap:18px}.step:not(:last-child){margin-right:0}.tool-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.nav-shell{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:78px;padding:12px;background:rgba(17,24,35,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.page-banner{min-height:510px}.banner-content{padding:70px 0 95px}.section{padding:72px 0}.split,.insight{grid-template-columns:1fr}.visual-card img{height:290px}.footer-top{grid-template-columns:1fr 1fr;gap:35px}.footer-top>div:first-child{grid-column:1/-1}.cta-inner{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.brand-text{font-size:13px}.banner-content h1{font-size:39px}.lead{font-size:15px}.tool-grid,.metric-row,.timeline{grid-template-columns:1fr}.section-head{margin-bottom:28px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:6px;margin-top:38px}.cta{padding:34px 22px}}

/* roulang page: category3 */
:root{
      --ink:#0c1017;--ink-soft:#111823;--panel:#151d28;--panel-light:#1c2734;
      --gold:#e5b75c;--gold-light:#f7d98e;--cyan:#7de3dc;--text:#f5f7fa;
      --muted:#aab5c5;--line:rgba(255,255,255,.11);--radius-xl:30px;--radius-lg:22px;
      --shadow:0 18px 60px rgba(0,0,0,.22)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--text);background:radial-gradient(circle at 80% 0%,rgba(125,227,220,.08),transparent 27rem),var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button,input,textarea{font:inherit} button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}
    .brand-text{font-size:15px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}
    .nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-links a.active{color:var(--gold-light)}
    .menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .page-banner{position:relative;min-height:530px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(90deg,rgba(12,16,23,.98) 8%,rgba(12,16,23,.82) 52%,rgba(12,16,23,.32)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat}
    .page-banner:after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,var(--ink));pointer-events:none}
    .banner-content{position:relative;z-index:1;padding:82px 0 94px;max-width:760px}
    .eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0} h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.055em;margin:22px 0 20px}
    h2{font-size:clamp(27px,4vw,44px);line-height:1.2;letter-spacing:-.04em;margin-bottom:15px}
    h3{font-size:20px;line-height:1.35;margin-bottom:10px}
    .hero-copy{max-width:700px;color:#d3d9e3;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:transform .25s,box-shadow .25s,background .25s}
    .btn:hover{transform:translateY(-2px)} .btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}
    .btn-primary:hover{box-shadow:0 15px 38px rgba(229,183,92,.3)} .btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
    .btn-secondary:hover{background:rgba(255,255,255,.12)}
    .section{padding:96px 0}.section.compact{padding-top:70px;padding-bottom:70px}
    .section-head{max-width:720px;margin-bottom:38px}.section-kicker{margin-bottom:13px;color:var(--cyan)}
    .section-head p,.muted{color:var(--muted);font-size:16px;line-height:1.85}
    .surface{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch}
    .image-card{min-height:390px;border-radius:var(--radius-xl);overflow:hidden;position:relative;background:var(--panel)}
    .image-card img{width:100%;height:100%;object-fit:cover;opacity:.8}
    .image-card:after{content:"";position:absolute;inset:0;background:linear-gradient(25deg,rgba(12,16,23,.78),transparent 65%)}
    .image-label{position:absolute;z-index:1;left:25px;bottom:22px;color:var(--gold-light);font-size:13px;font-weight:800}
    .problem-list{display:grid;gap:13px}
    .problem-item,.feature-item,.resource-item{padding:21px 22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035);transition:.25s ease}
    .problem-item:hover,.feature-item:hover,.resource-item:hover{transform:translateY(-3px);border-color:rgba(125,227,220,.38);background:rgba(125,227,220,.06)}
    .problem-item strong{display:block;margin-bottom:4px;color:var(--text);font-size:16px}.problem-item span{display:block;color:var(--muted);font-size:14px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.feature-item{min-height:190px}
    .number{color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.1em;margin-bottom:28px}.feature-item p{color:var(--muted);font-size:14px;line-height:1.8}
    .dark-band{background:linear-gradient(135deg,#182433,#101720);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden}
    .step{padding:28px 23px;min-height:200px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step-no{color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.12em;margin-bottom:25px}.step p{color:var(--muted);font-size:14px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:25px;border-radius:20px;background:linear-gradient(145deg,rgba(229,183,92,.14),rgba(255,255,255,.035));border:1px solid var(--line)}.metric strong{display:block;color:var(--gold-light);font-size:32px;line-height:1.2;margin-bottom:7px}.metric span{color:var(--muted);font-size:13px}
    .quote{padding:36px 42px;border-left:3px solid var(--gold);background:var(--panel-light);border-radius:0 var(--radius-xl) var(--radius-xl) 0}.quote p{font-size:22px;line-height:1.65;letter-spacing:-.02em}.quote cite{color:var(--muted);font-size:14px;font-style:normal}
    .resource-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:15px}.resource-item{display:flex;gap:18px;align-items:flex-start}.resource-item img{width:112px;height:86px;object-fit:cover;border-radius:13px}.resource-item p{color:var(--muted);font-size:14px;margin-bottom:0}
    .cta{padding:52px 58px;border-radius:var(--radius-xl);background:linear-gradient(115deg,rgba(229,183,92,.2),rgba(125,227,220,.1) 55%,rgba(255,255,255,.04));border:1px solid rgba(229,183,92,.25);display:flex;justify-content:space-between;align-items:center;gap:30px}.cta p{color:var(--muted);max-width:650px;margin-bottom:0}
    .site-footer{padding:72px 0 25px;border-top:1px solid var(--line);background:#090d13}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.site-footer p{color:var(--muted);font-size:14px;max-width:380px}.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col h3{font-size:14px;color:var(--text);margin-bottom:8px}.footer-col a{color:var(--muted);font-size:13px;transition:.2s}.footer-col a:hover{color:var(--gold-light)}.footer-bottom{display:flex;justify-content:space-between;gap:15px;margin-top:52px;padding-top:20px;border-top:1px solid var(--line);color:#748092;font-size:12px}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px}.feature-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-shell{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:15px;right:15px;padding:12px;background:rgba(17,24,35,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.page-banner{min-height:570px}.banner-content{padding:75px 0 95px}.split,.resource-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric-grid{grid-template-columns:repeat(2,1fr)}.cta{padding:35px 27px;display:block}.cta .btn{margin-top:23px}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.section{padding:68px 0}.feature-grid,.steps,.metric-grid,.footer-top{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.quote{padding:27px 23px}.quote p{font-size:19px}.resource-item{display:block}.resource-item img{width:100%;height:150px;margin-bottom:15px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}h1{font-size:42px}}

/* roulang page: category5 */
:root {
      --ink:#0c1017;--ink-soft:#111823;--panel:#151d28;--panel-light:#1c2734;
      --gold:#e5b75c;--gold-light:#f7d98e;--cyan:#7de3dc;--text:#f5f7fa;
      --muted:#aab5c5;--line:rgba(255,255,255,.11);--radius-xl:30px;
      --radius-lg:22px;--shadow:0 18px 60px rgba(0,0,0,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--text);background:radial-gradient(circle at 80% 0%,rgba(125,227,220,.08),transparent 27rem),var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    button,input,textarea{font:inherit}button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}
    .brand-text{font-size:15px}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}
    .nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-links a.active{color:var(--gold-light)}
    .menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .page-banner{position:relative;overflow:hidden;min-height:465px;display:flex;align-items:center;background:linear-gradient(105deg,rgba(12,16,23,.98) 8%,rgba(12,16,23,.82) 54%,rgba(12,16,23,.3)),url('/assets/images/backpic/back-5.webp') center/cover no-repeat}
    .page-banner:before{content:"";position:absolute;width:58%;height:130%;right:-14%;top:-20%;background:linear-gradient(135deg,rgba(229,183,92,.22),rgba(125,227,220,.08));clip-path:polygon(18% 0,100% 0,82% 100%,0 100%);border-left:1px solid rgba(247,217,142,.25)}
    .banner-content{position:relative;z-index:1;max-width:760px;padding:78px 0 84px}
    .eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(40px,6vw,72px);line-height:1.12;letter-spacing:-.06em;margin:18px 0 22px}
    h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.045em;margin-bottom:16px}
    h3{font-size:19px;line-height:1.35;margin-bottom:10px}.banner-copy{color:#d3d9e3;font-size:17px;max-width:670px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.25s ease}
    .btn:hover{transform:translateY(-2px)}.btn:focus,.menu-toggle:focus{outline:3px solid rgba(125,227,220,.45);outline-offset:3px}
    .btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}
    .btn-primary:hover{box-shadow:0 15px 38px rgba(229,183,92,.3)}.btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
    .btn-secondary:hover{background:rgba(255,255,255,.12)}
    .section{padding:96px 0}.section.compact{padding:70px 0}.section-head{max-width:720px;margin-bottom:38px}
    .section-kicker{margin-bottom:13px;color:var(--cyan)}.section-head p,.muted{color:var(--muted);font-size:16px;line-height:1.85}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:end}
    .signal-box{padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(145deg,var(--panel-light),var(--panel));box-shadow:var(--shadow)}
    .signal-box strong{display:block;color:var(--gold-light);font-size:30px;line-height:1.2;margin-bottom:6px}
    .signal-box span{color:var(--muted);font-size:14px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .tool-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:.28s ease}
    .tool-card:hover{transform:translateY(-5px);border-color:rgba(229,183,92,.42);box-shadow:var(--shadow)}
    .tool-card img{width:100%;height:170px;object-fit:cover;opacity:.88}.tool-body{padding:23px}.tool-body p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:0}
    .numbered{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{position:relative;padding:25px 22px 24px;border-top:2px solid var(--gold);background:var(--panel);border-radius:0 0 var(--radius-lg) var(--radius-lg)}
    .step-no{color:var(--cyan);font-size:12px;font-weight:900;letter-spacing:.1em}.step p{color:var(--muted);font-size:14px;margin-bottom:0}
    .dark-panel{background:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.feature-image{border-radius:var(--radius-xl);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
    .feature-image img{width:100%;height:370px;object-fit:cover}.check-list{display:grid;gap:15px;margin:25px 0 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:13px;align-items:flex-start;color:#dce2eb}.check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 24px;height:24px;color:var(--ink);background:var(--cyan);border-radius:50%;font-weight:900}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{padding:26px 20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}
    .metric b{display:block;color:var(--gold-light);font-size:32px;letter-spacing:-.05em}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .quote{padding:42px 48px;border-radius:var(--radius-xl);background:linear-gradient(120deg,rgba(125,227,220,.12),rgba(229,183,92,.12));border:1px solid rgba(125,227,220,.2)}
    .quote p{font-size:23px;line-height:1.65;letter-spacing:-.025em}.quote cite{color:var(--gold-light);font-style:normal;font-size:14px}
    .audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.audience{padding:25px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel)}
    .audience p{color:var(--muted);font-size:14px;margin-bottom:0}.faq-list{display:grid;gap:10px;max-width:850px}.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}
    .faq-question{width:100%;padding:20px 22px;display:flex;justify-content:space-between;gap:20px;color:var(--text);background:transparent;border:0;text-align:left;font-weight:800}
    .faq-question span:last-child{color:var(--gold);font-size:22px;transition:.2s}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:55px;border-radius:var(--radius-xl);background:linear-gradient(110deg,#253445,#17232f 58%,#3a3020);border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:28px}.cta p{color:var(--muted);margin-bottom:0}
    .site-footer{padding:65px 0 25px;border-top:1px solid var(--line);background:#0a0e14}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}.site-footer p{max-width:390px;color:var(--muted);font-size:14px}.footer-col{display:grid;align-content:start;gap:10px}.footer-col h3{font-size:14px;color:var(--gold-light);margin-bottom:8px}.footer-col a{color:var(--muted);font-size:13px;transition:.2s}.footer-col a:hover{color:var(--text);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);color:#718092;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px}.tool-grid{grid-template-columns:repeat(2,1fr)}.numbered{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-shell{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;padding:12px;background:rgba(17,24,35,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.page-banner{min-height:520px}.intro-grid,.split-grid{grid-template-columns:1fr;gap:28px}.metrics{grid-template-columns:repeat(2,1fr)}.section{padding:72px 0}.cta{align-items:flex-start;flex-direction:column;padding:34px 26px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-top>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){h1{font-size:42px}.tool-grid,.audience-grid,.numbered{grid-template-columns:1fr}.metrics{gap:9px}.metric{padding:20px 14px}.metric b{font-size:26px}.quote{padding:28px 22px}.quote p{font-size:19px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: category6 */
:root{--ink:#0c1017;--ink-soft:#111823;--panel:#151d28;--panel-light:#1c2734;--gold:#e5b75c;--gold-light:#f7d98e;--cyan:#7de3dc;--text:#f5f7fa;--muted:#aab5c5;--line:rgba(255,255,255,.11);--radius-xl:30px;--radius-lg:22px;--shadow:0 18px 60px rgba(0,0,0,.22)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 80% 0%,rgba(125,227,220,.08),transparent 27rem),var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}.brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}.brand-text{font-size:15px}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}.nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}.nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}.nav-links a.active{color:var(--gold-light)}.menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .inner-banner{position:relative;overflow:hidden;padding:94px 0 88px;background:linear-gradient(100deg,rgba(12,16,23,.98) 12%,rgba(12,16,23,.75) 58%,rgba(12,16,23,.35)),url('/assets/images/backpic/back-6.webp') center/cover no-repeat}.inner-banner:after{content:"";position:absolute;inset:auto 0 0;height:80px;background:linear-gradient(transparent,var(--ink))}.banner-content{position:relative;z-index:1;max-width:760px}.eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}.eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.055em;margin:18px 0 22px}.banner-content p{max-width:690px;color:#d3d9e3;font-size:17px;line-height:1.9}.section{padding:96px 0}.section.compact{padding-top:68px;padding-bottom:68px}.section-head{max-width:720px;margin-bottom:38px}.section-kicker{margin-bottom:12px;color:var(--cyan)}h2{font-size:clamp(28px,4vw,45px);line-height:1.22;letter-spacing:-.04em;margin:0 0 15px}.section-head p{color:var(--muted);font-size:16px;line-height:1.85}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card{border:1px solid var(--line);background:linear-gradient(145deg,rgba(28,39,52,.96),rgba(21,29,40,.96));border-radius:var(--radius-lg);padding:28px;transition:.28s ease}.card:hover{transform:translateY(-5px);border-color:rgba(125,227,220,.35);box-shadow:var(--shadow)}.card h3{font-size:20px;margin:15px 0 9px}.card p{color:var(--muted);font-size:14px;line-height:1.8;margin:0}.icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:var(--ink);font-weight:900;background:linear-gradient(135deg,var(--cyan),#b6f4e9)}.pill{display:inline-flex;color:var(--cyan);font-size:12px;border:1px solid rgba(125,227,220,.28);border-radius:999px;padding:4px 10px}.feature-image{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}.feature-image img{width:100%;height:100%;object-fit:cover;min-height:350px}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.list{display:grid;gap:14px;margin-top:24px}.list li{list-style:none;position:relative;padding:14px 18px 14px 42px;border-bottom:1px solid var(--line);color:#dce2ea}.list li:before{content:"✓";position:absolute;left:4px;top:13px;color:var(--gold);font-weight:900}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.metric{padding:22px;border-radius:18px;background:var(--panel);border:1px solid var(--line)}.metric strong{display:block;color:var(--gold-light);font-size:31px;line-height:1.2}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}.quote{padding:34px;border-left:3px solid var(--gold);background:linear-gradient(90deg,rgba(229,183,92,.1),transparent);border-radius:0 20px 20px 0;color:#e8edf2;font-size:20px}.quote small{display:block;color:var(--muted);font-size:13px;margin-top:16px}.cta{padding:56px;border-radius:var(--radius-xl);background:linear-gradient(120deg,rgba(229,183,92,.2),rgba(125,227,220,.13)),var(--panel);border:1px solid rgba(229,183,92,.28);display:flex;align-items:center;justify-content:space-between;gap:28px}.cta p{color:var(--muted);max-width:620px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:.25s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}.btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}.btn:focus,a:focus{outline:2px solid var(--cyan);outline-offset:3px}.site-footer{padding:62px 0 24px;border-top:1px solid var(--line);background:#0a0e14}.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px}.site-footer p{max-width:360px;color:var(--muted);font-size:14px}.footer-col{display:grid;align-content:start;gap:10px}.footer-col h3{font-size:14px;color:var(--gold-light);margin:0 0 8px}.footer-col a{color:var(--muted);font-size:13px;transition:.2s}.footer-col a:hover{color:var(--text);transform:translateX(3px)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);margin-top:44px;padding-top:20px;color:#788494;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px}.split{gap:30px}.container{width:min(100% - 32px,900px)}}@media(max-width:768px){.nav-shell{height:70px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:16px;right:16px;padding:12px;background:rgba(17,24,35,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.inner-banner{padding:72px 0 70px}.section{padding:70px 0}.grid-3,.grid-2,.split{grid-template-columns:1fr}.feature-image img{min-height:250px}.cta{display:block;padding:32px}.cta .btn{margin-top:18px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}}@media(max-width:520px){.container{width:calc(100% - 28px)}h1{font-size:40px}.banner-content p{font-size:15px}.metric-row{grid-template-columns:1fr}.card{padding:23px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}

/* roulang page: category7 */
:root {
      --ink:#0c1017;
      --ink-soft:#111823;
      --panel:#151d28;
      --panel-light:#1c2734;
      --gold:#e5b75c;
      --gold-light:#f7d98e;
      --cyan:#7de3dc;
      --text:#f5f7fa;
      --muted:#aab5c5;
      --line:rgba(255,255,255,.11);
      --radius-xl:30px;
      --radius-lg:22px;
      --shadow:0 18px 60px rgba(0,0,0,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--text);background:
      radial-gradient(circle at 80% 0%,rgba(125,227,220,.08),transparent 27rem),var(--ink);
      font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.75;-webkit-font-smoothing:antialiased
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(12,16,23,.84);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
    .nav-shell{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:inline-flex;align-items:center;gap:11px;min-width:max-content;font-weight:800;letter-spacing:-.03em}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));border-radius:12px;font-weight:900;box-shadow:0 0 22px rgba(229,183,92,.2)}
    .brand-text{font-size:15px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}
    .nav-links a{color:var(--muted);font-size:13px;padding:9px 12px;border-radius:10px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-links a.active{color:var(--gold-light)}
    .menu-toggle{display:none;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 11px}
    .page-hero{position:relative;overflow:hidden;min-height:510px;background:linear-gradient(90deg,rgba(12,16,23,.98) 8%,rgba(12,16,23,.78) 52%,rgba(12,16,23,.35)),url('/assets/images/backpic/back-7.webp') center/cover}
    .page-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 45%,rgba(125,227,220,.2),transparent 26rem)}
    .page-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:110px;background:linear-gradient(transparent,var(--ink))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding:82px 0 95px}
    .eyebrow,.section-kicker,.badge{display:inline-flex;align-items:center;gap:7px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:1px;background:var(--gold)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.055em;margin:17px 0 22px}
    h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.04em;margin-bottom:14px}
    h3{font-size:19px;line-height:1.4;margin-bottom:9px}
    .hero-copy{max-width:650px;color:#d3d9e3;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:13px;border:1px solid transparent;font-weight:800;font-size:14px;transition:transform .25s,box-shadow .25s,background .25s}
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-links a:focus-visible,input:focus-visible,button:focus-visible{outline:3px solid rgba(125,227,220,.55);outline-offset:3px}
    .btn-primary{color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold));box-shadow:0 12px 30px rgba(229,183,92,.18)}
    .btn-primary:hover{box-shadow:0 15px 38px rgba(229,183,92,.3)}
    .btn-secondary{color:var(--text);border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
    .btn-secondary:hover{background:rgba(255,255,255,.12)}
    .broadcast-card{position:relative;padding:25px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-xl);background:rgba(17,24,35,.78);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
    .broadcast-card img{width:100%;height:178px;object-fit:cover;border-radius:18px;opacity:.82}
    .live-tag{position:absolute;top:39px;left:39px;padding:4px 9px;border-radius:8px;color:#fff;background:#c94b54;font-size:11px;font-weight:800}
    .broadcast-meta{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:20px;color:var(--muted);font-size:12px}
    .countdown{display:flex;gap:9px;margin-top:18px}
    .time-box{min-width:58px;padding:8px 7px;text-align:center;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.05)}
    .time-box strong{display:block;color:var(--gold-light);font-size:22px;line-height:1.2}
    .time-box span{display:block;color:var(--muted);font-size:10px}
    .section{padding:96px 0}.section.compact{padding:70px 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-kicker{margin-bottom:12px;color:var(--cyan)}
    .section-head p,.muted{color:var(--muted);font-size:16px;line-height:1.85}
    .split{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
    .panel{padding:32px;border:1px solid var(--line);border-radius:var(--radius-xl);background:linear-gradient(145deg,var(--panel-light),var(--panel));box-shadow:var(--shadow)}
    .line-list{display:grid;gap:0}
    .line-item{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
    .line-item:last-child{border-bottom:0}
    .number{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;color:var(--ink);background:var(--cyan);font-size:13px;font-weight:900}
    .resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .resource-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:.28s ease}
    .resource-card:hover{transform:translateY(-5px);border-color:rgba(125,227,220,.4);box-shadow:var(--shadow)}
    .resource-card img{width:100%;height:145px;object-fit:cover}
    .resource-body{padding:22px}
    .resource-body p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:0}
    .tag{display:inline-flex;padding:4px 9px;border-radius:99px;color:var(--cyan);background:rgba(125,227,220,.1);font-size:11px;font-weight:800;margin-bottom:12px}
    .data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--line)}
    .data-cell{padding:28px 25px;background:var(--panel)}
    .data-cell strong{display:block;color:var(--gold-light);font-size:34px;line-height:1.2;letter-spacing:-.04em}
    .data-cell span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .matrix-item{padding:23px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035);transition:.25s}
    .matrix-item:hover{background:rgba(255,255,255,.07);border-color:rgba(229,183,92,.35)}
    .matrix-item p{color:var(--muted);font-size:14px;margin:0}
    .quote{position:relative;padding:38px 42px;border-radius:var(--radius-xl);background:linear-gradient(135deg,rgba(125,227,220,.14),rgba(229,183,92,.1));border:1px solid rgba(125,227,220,.2)}
    .quote:before{content:"“";position:absolute;top:8px;left:22px;color:var(--gold);font-size:64px;line-height:1}
    .quote p{font-size:21px;line-height:1.7;margin:0 0 18px}
    .quote small{color:var(--muted)}
    .faq-list{max-width:850px;display:grid;gap:10px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 23px;color:var(--text);background:transparent;border:0;text-align:left;font-weight:800}
    .faq-question span:last-child{color:var(--cyan);font-size:22px;transition:.25s}
    .faq-answer{display:none;padding:0 23px 21px;color:var(--muted);font-size:14px;line-height:1.8}
    .faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px;border-radius:var(--radius-xl);background:linear-gradient(105deg,#263846,#1a2530 60%,#3d3340);border:1px solid rgba(255,255,255,.12)}
    .cta-box p{color:var(--muted);margin:0;max-width:650px}
    .subscribe{display:flex;gap:9px;margin-top:20px}
    .subscribe input{width:220px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:11px;color:var(--text);background:rgba(255,255,255,.07);outline:none}
    .subscribe input:focus{border-color:var(--cyan)}
    .site-footer{padding:65px 0 24px;border-top:1px solid var(--line);background:#090d13}
    .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}
    .site-footer p{max-width:390px;color:var(--muted);font-size:14px}
    .footer-col{display:flex;flex-direction:column;gap:9px}
    .footer-col h3{font-size:14px;color:var(--gold-light);margin-bottom:10px}
    .footer-col a{color:var(--muted);font-size:13px;transition:.2s}
    .footer-col a:hover{color:var(--text);padding-left:3px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:20px;border-top:1px solid var(--line);color:#718092;font-size:12px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:12px}.hero-inner{gap:30px}.container{width:min(100% - 32px,900px)}}
    @media(max-width:768px){.nav-shell{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:16px;background:rgba(17,24,35,.98);box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.hero-inner,.split{grid-template-columns:1fr}.page-hero{min-height:auto}.hero-inner{padding:65px 0 78px}.broadcast-card{max-width:520px}.resource-grid{grid-template-columns:repeat(2,1fr)}.data-strip{grid-template-columns:repeat(2,1fr)}.cta-box{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}h1{font-size:39px}.section{padding:70px 0}.resource-grid,.matrix{grid-template-columns:1fr}.panel{padding:23px}.data-cell{padding:21px 16px}.data-cell strong{font-size:28px}.quote{padding:34px 24px}.quote p{font-size:18px}.subscribe{flex-direction:column}.subscribe input{width:100%}.footer-top{grid-template-columns:1fr;gap:30px}.footer-bottom{flex-direction:column;gap:5px}.countdown{gap:5px}.time-box{min-width:52px}}