/* roulang page: index */
:root {
            --ink: #171717;
            --deep: #242321;
            --paper: #f7f5ef;
            --cream: #fffdf8;
            --orange: #e85d2a;
            --orange-dark: #bd421d;
            --lime: #c4d96b;
            --teal: #6bb6a7;
            --muted: #77746e;
            --line: #dedbd2;
            --white: #ffffff;
            --shadow: 0 18px 50px rgba(27, 24, 19, .10);
            --radius: 16px;
            --container: 1200px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        .container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(247, 245, 239, .94);
            border-bottom: 1px solid rgba(222, 219, 210, .85);
            backdrop-filter: blur(14px);
        }
        .nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 34px; }
        .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 230px; }
        .brand-mark {
            width: 38px; height: 38px; display: grid; place-items: center;
            color: var(--white); background: var(--orange); border-radius: 11px;
            font-size: 18px; font-weight: 800; letter-spacing: 0;
        }
        .brand-text { display: grid; line-height: 1.25; }
        .brand-text strong { font-size: 16px; font-weight: 800; }
        .brand-text small { color: var(--muted); font-size: 11px; margin-top: 3px; }
        .main-nav { display: flex; align-items: center; gap: 5px; flex: 1; }
        .main-nav a {
            position: relative; padding: 10px 13px; color: #5f5c56;
            font-size: 14px; font-weight: 600; transition: color .2s ease;
        }
        .main-nav a::after {
            content: ""; position: absolute; left: 13px; right: 13px; bottom: 3px;
            height: 2px; background: var(--orange); transform: scaleX(0);
            transition: transform .2s ease;
        }
        .main-nav a:hover, .main-nav a.active { color: var(--ink); }
        .main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
        .nav-cta, .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 9px;
            border: 0; border-radius: 9px; font-weight: 700; transition: .2s ease;
        }
        .nav-cta { padding: 11px 17px; color: var(--white); background: var(--ink); font-size: 13px; white-space: nowrap; }
        .nav-cta:hover { background: var(--orange); transform: translateY(-2px); }
        .menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 9px; background: var(--cream); }
        .hero {
            position: relative; overflow: hidden; color: var(--white); background: var(--deep);
            min-height: 650px; display: flex; align-items: center;
        }
        .hero::before {
            content: ""; position: absolute; inset: 0; opacity: .30;
            background: linear-gradient(115deg, #151515 20%, transparent 65%), url("https://images.unsplash.com/photo-1542751371-adc38448a05e?auto=format&fit=crop&w=1800&q=85") center/cover;
        }
        .hero::after {
            content: ""; position: absolute; width: 560px; height: 560px; right: -130px; top: -170px;
            border: 1px solid rgba(196, 217, 107, .30); border-radius: 50%;
            box-shadow: 0 0 0 38px rgba(196, 217, 107, .05), 0 0 0 76px rgba(196, 217, 107, .035);
        }
        .hero-inner { position: relative; z-index: 1; padding: 92px 0 108px; }
        .eyebrow, .section-kicker {
            display: inline-flex; align-items: center; gap: 9px; color: var(--lime);
            font-size: 12px; font-weight: 800; letter-spacing: 1.4px;
        }
        .eyebrow::before, .section-kicker::before { content: ""; width: 24px; height: 2px; background: currentColor; }
        .hero h1 { max-width: 750px; margin: 23px 0 19px; font-size: clamp(38px, 5vw, 65px); line-height: 1.14; letter-spacing: 0; }
        .hero-lead { max-width: 625px; margin: 0; color: #d8d5cc; font-size: 18px; line-height: 1.9; }
        .hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
        .btn { padding: 13px 20px; font-size: 14px; }
        .btn-primary { color: var(--white); background: var(--orange); }
        .btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(232, 93, 42, .25); }
        .btn-light { color: var(--white); border: 1px solid rgba(255,255,255,.34); background: rgba(255,255,255,.07); }
        .btn-light:hover { background: rgba(255,255,255,.15); border-color: var(--white); }
        .hero-note { display: flex; gap: 22px; margin-top: 54px; color: #b5b2aa; font-size: 13px; }
        .hero-note span { display: inline-flex; align-items: center; gap: 7px; }
        .hero-note i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); }
        .quick-links { position: relative; z-index: 2; margin-top: -55px; }
        .quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--cream); box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
        .quick-item { display: flex; gap: 14px; padding: 25px 22px; border-right: 1px solid var(--line); transition: background .2s ease; }
        .quick-item:last-child { border: 0; }
        .quick-item:hover { background: #fff8ee; }
        .quick-icon { width: 36px; height: 36px; flex: 0 0 36px; display: grid; place-items: center; color: var(--orange); background: #fff0e7; border-radius: 10px; font-weight: 800; }
        .quick-item strong { display: block; font-size: 15px; }
        .quick-item small { display: block; color: var(--muted); margin-top: 2px; font-size: 12px; }
        .section { padding: 112px 0; }
        .section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 42px; }
        .section-head h2 { max-width: 570px; margin: 13px 0 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.28; }
        .section-head p { max-width: 420px; margin: 0; color: var(--muted); font-size: 15px; }
        .brand-section { background: var(--cream); }
        .brand-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 88px; align-items: center; }
        .brand-copy p { color: var(--muted); font-size: 17px; line-height: 1.9; }
        .brand-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 34px; }
        .brand-point { padding-top: 17px; border-top: 2px solid var(--orange); }
        .brand-point strong { display: block; font-size: 25px; }
        .brand-point span { color: var(--muted); font-size: 13px; }
        .signal-panel { position: relative; min-height: 350px; padding: 34px; overflow: hidden; color: var(--white); background: var(--deep); border-radius: 18px; }
        .signal-panel::before { content: "NG28"; position: absolute; right: -8px; bottom: -40px; color: rgba(255,255,255,.06); font-size: 120px; font-weight: 900; line-height: 1; }
        .signal-panel h3 { position: relative; margin: 0 0 30px; font-size: 23px; }
        .signal-list { position: relative; display: grid; gap: 19px; }
        .signal-list div { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.14); }
        .signal-list b { color: var(--lime); font-size: 14px; }
        .signal-list span { color: #d4d0c8; font-size: 14px; }
        .news-section { background: var(--paper); }
        .news-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 24px; }
        .news-feature { min-height: 355px; padding: 34px; display: flex; flex-direction: column; justify-content: end; color: var(--white); background: linear-gradient(155deg, rgba(29,28,26,.23), rgba(29,28,26,.95)), url("https://images.unsplash.com/photo-1511512578047-dfb367046420?auto=format&fit=crop&w=1000&q=80") center/cover; border-radius: var(--radius); }
        .tag { display: inline-flex; width: fit-content; padding: 4px 9px; color: var(--orange-dark); background: #ffe7d8; border-radius: 5px; font-size: 11px; font-weight: 800; }
        .news-feature .tag { color: var(--lime); background: rgba(196,217,107,.13); }
        .news-feature h3 { margin: 15px 0 7px; font-size: 26px; line-height: 1.4; }
        .news-feature p { margin: 0; color: #d8d4cc; font-size: 14px; }
        .news-list { display: grid; gap: 12px; }
        .news-row { display: grid; grid-template-columns: 76px 1fr auto; align-items: center; gap: 17px; padding: 19px 20px; background: var(--cream); border: 1px solid var(--line); border-radius: 12px; transition: .2s ease; }
        .news-row:hover { border-color: var(--orange); transform: translateX(4px); }
        .news-date { color: var(--orange); font-size: 12px; font-weight: 800; }
        .news-row h4 { margin: 0; font-size: 15px; line-height: 1.5; }
        .news-row p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
        .arrow { color: var(--orange); font-size: 21px; }
        .empty-state { padding: 35px; color: var(--muted); background: var(--cream); border: 1px dashed var(--line); border-radius: var(--radius); }
        .download-section { color: var(--white); background: #292824; }
        .download-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
        .download-section h2 { margin: 14px 0; font-size: clamp(30px, 3.5vw, 46px); line-height: 1.25; }
        .download-section p { color: #c5c1b8; font-size: 16px; }
        .download-badges { display: flex; gap: 9px; flex-wrap: wrap; margin: 25px 0; }
        .download-badges span { padding: 7px 12px; color: var(--lime); border: 1px solid rgba(196,217,107,.34); border-radius: 6px; font-size: 12px; }
        .device-stage { min-height: 300px; position: relative; display: flex; align-items: center; justify-content: center; }
        .device { width: 195px; height: 330px; padding: 10px; background: #111; border: 5px solid #55514a; border-radius: 28px; transform: rotate(8deg); box-shadow: 25px 30px 0 rgba(0,0,0,.18); }
        .device-screen { height: 100%; padding: 22px 15px; overflow: hidden; background: #f3efe5; border-radius: 17px; color: var(--ink); }
        .device-screen b { display: block; color: var(--orange); font-size: 24px; }
        .screen-bar { height: 8px; margin: 18px 0 12px; background: var(--orange); border-radius: 3px; }
        .screen-line { height: 7px; margin: 10px 0; background: #d6d0c3; border-radius: 3px; }
        .screen-line.short { width: 62%; }
        .device-label { position: absolute; right: 3%; bottom: 17px; padding: 13px 16px; color: var(--ink); background: var(--lime); border-radius: 9px; font-size: 13px; font-weight: 800; }
        .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
        .step { padding: 25px 22px; border-top: 3px solid var(--orange); background: var(--cream); border-radius: 0 0 12px 12px; }
        .step-num { color: var(--orange); font-size: 13px; font-weight: 900; }
        .step h3 { margin: 14px 0 8px; font-size: 17px; }
        .step p { margin: 0; color: var(--muted); font-size: 13px; }
        .faq-section { background: var(--cream); }
        .faq-grid { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--line); }
        details { border-bottom: 1px solid var(--line); }
        summary { display: flex; justify-content: space-between; gap: 20px; padding: 21px 3px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 700; }
        summary::-webkit-details-marker { display: none; }
        summary::after { content: "+"; color: var(--orange); font-size: 22px; font-weight: 400; }
        details[open] summary::after { content: "−"; }
        details p { max-width: 760px; margin: -5px 0 20px; color: var(--muted); font-size: 14px; }
        .cta-band { padding: 80px 0; background: var(--orange); color: var(--white); }
        .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
        .cta-inner h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.35; }
        .cta-inner p { margin: 8px 0 0; color: #ffe5d9; }
        .cta-band .btn { color: var(--ink); background: var(--white); }
        .cta-band .btn:hover { background: var(--lime); }
        .site-footer { padding: 60px 0 24px; color: #cbc7bd; background: var(--deep); }
        .footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 35px; padding-bottom: 45px; }
        .footer-brand .brand-text strong { color: var(--white); }
        .footer-brand .brand-text small { color: #a9a59d; }
        .footer-brand p { max-width: 275px; margin: 20px 0 0; color: #9f9b93; font-size: 13px; }
        .footer-col h3 { margin: 0 0 15px; color: var(--white); font-size: 14px; }
        .footer-col a { display: block; width: fit-content; margin: 8px 0; color: #aaa69d; font-size: 13px; transition: color .2s; }
        .footer-col a:hover { color: var(--lime); }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); color: #8b877e; font-size: 12px; }
        :focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
        @media (max-width: 1024px) {
            .main-nav { gap: 0; }
            .main-nav a { padding-inline: 8px; font-size: 13px; }
            .brand { min-width: 195px; }
            .brand-layout, .download-layout { gap: 45px; }
        }
        @media (max-width: 768px) {
            .container { width: min(calc(100% - 34px), var(--container)); }
            .nav-wrap { min-height: 68px; justify-content: space-between; }
            .brand { min-width: 0; }
            .main-nav {
                display: none; position: absolute; left: 17px; right: 17px; top: 76px;
                padding: 10px; flex-direction: column; align-items: stretch;
                background: var(--cream); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
            }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 12px 14px; }
            .nav-cta { display: none; }
            .menu-toggle { display: grid; place-items: center; color: var(--ink); font-size: 20px; }
            .hero { min-height: 590px; }
            .hero-inner { padding: 70px 0 82px; }
            .hero-lead { font-size: 16px; }
            .hero-note { flex-wrap: wrap; margin-top: 38px; }
            .quick-links { margin-top: -35px; }
            .quick-grid { grid-template-columns: repeat(2, 1fr); }
            .quick-item:nth-child(2) { border-right: 0; }
            .quick-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .section { padding: 76px 0; }
            .section-head, .cta-inner { display: block; }
            .section-head p { margin-top: 16px; }
            .brand-layout, .news-layout, .download-layout { grid-template-columns: 1fr; }
            .brand-layout, .download-layout { gap: 35px; }
            .steps { grid-template-columns: repeat(2, 1fr); }
            .footer-top { grid-template-columns: repeat(2, 1fr); }
            .footer-brand { grid-column: 1 / -1; }
            .cta-inner .btn { margin-top: 24px; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 37px; }
            .quick-grid, .brand-points, .steps { grid-template-columns: 1fr; }
            .quick-item { border-right: 0; border-bottom: 1px solid var(--line); }
            .quick-item:last-child { border-bottom: 0; }
            .news-feature { min-height: 300px; padding: 25px; }
            .news-feature h3 { font-size: 22px; }
            .news-row { grid-template-columns: 58px 1fr auto; gap: 10px; padding: 16px 13px; }
            .news-row p { display: none; }
            .device-stage { min-height: 330px; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
            .footer-bottom { display: block; }
            .footer-bottom span { display: block; margin-top: 7px; }
        }

/* roulang page: article */
:root {
            --ink:#171717; --deep:#242321; --paper:#f7f5ef; --cream:#fffdf8;
            --orange:#e85d2a; --orange-dark:#bd421d; --lime:#c4d96b; --teal:#6bb6a7;
            --muted:#77746e; --line:#dedbd2; --white:#fff; --shadow:0 18px 50px rgba(27,24,19,.1);
            --radius:16px; --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.94);border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--orange);border-radius:11px;font-size:18px;font-weight:800}
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:#5f5c56;font-size:14px;font-weight:600;transition:color .2s}
        .main-nav a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s}
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:9px;font-weight:700;transition:.2s}
        .nav-cta{padding:11px 17px;color:var(--white);background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--cream);font-size:20px}
        :focus-visible{outline:3px solid rgba(232,93,42,.4);outline-offset:3px}
        .article-hero{background:var(--deep);color:var(--white);padding:74px 0 82px;position:relative;overflow:hidden}
        .article-hero:after{content:"";position:absolute;width:430px;height:430px;right:-120px;top:-180px;border:1px solid rgba(196,217,107,.3);border-radius:50%;box-shadow:0 0 0 35px rgba(196,217,107,.05),0 0 0 70px rgba(196,217,107,.035)}
        .article-hero-inner{position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:#aaa69c;font-size:13px;margin-bottom:28px}
        .breadcrumb a:hover{color:var(--lime)}
        .article-hero h1{max-width:880px;margin:20px 0 18px;font-size:clamp(34px,5vw,60px);line-height:1.2;letter-spacing:0}
        .article-summary{max-width:760px;margin:0;color:#d8d5cc;font-size:17px;line-height:1.9}
        .article-meta{display:flex;flex-wrap:wrap;gap:18px;color:#b5b2aa;font-size:13px;margin-top:28px}
        .meta-tag{color:var(--deep);background:var(--lime);padding:4px 10px;border-radius:5px;font-weight:700}
        .reading-layout{display:grid;grid-template-columns:minmax(0,820px) 270px;gap:72px;align-items:start;padding:88px 0 110px}
        .article-content{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(28px,5vw,62px);box-shadow:0 12px 35px rgba(27,24,19,.05);font-size:17px;line-height:1.95}
        .article-content h2{font-size:30px;line-height:1.35;margin:38px 0 15px}
        .article-content h3{font-size:23px;line-height:1.45;margin:30px 0 12px}
        .article-content p{margin:0 0 20px}
        .article-content ul,.article-content ol{padding-left:28px;margin:16px 0 24px}
        .article-content li{margin:7px 0}
        .article-content blockquote{margin:28px 0;padding:20px 24px;border-left:4px solid var(--orange);background:#fff4e9;color:#5d5148;border-radius:0 10px 10px 0}
        .article-content img{width:100%;border-radius:12px;margin:28px 0}
        .article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
        .article-content th,.article-content td{padding:12px;border:1px solid var(--line);text-align:left}
        .article-content th{background:#f1eee5}
        .article-content a{color:var(--orange-dark);text-decoration:underline;text-underline-offset:3px}
        .article-aside{position:sticky;top:108px}
        .aside-card{background:var(--deep);color:var(--white);border-radius:var(--radius);padding:25px}
        .aside-card h2{font-size:20px;line-height:1.4;margin:0 0 13px}
        .aside-card p{color:#c6c2b8;font-size:14px;margin:0 0 22px}
        .btn{padding:13px 20px;font-size:14px}
        .btn-primary{color:var(--white);background:var(--orange)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(232,93,42,.25)}
        .btn-light{color:var(--white);border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.07)}
        .btn-light:hover{background:rgba(255,255,255,.15);border-color:var(--white)}
        .aside-links{margin-top:20px;border-top:1px solid var(--line);padding-top:18px}
        .aside-links a{display:block;padding:9px 0;color:#5f5c56;font-size:14px;border-bottom:1px solid rgba(222,219,210,.65)}
        .aside-links a:hover{color:var(--orange)}
        .empty-state{text-align:center;padding:42px 20px;color:var(--muted)}
        .empty-state strong{display:block;color:var(--ink);font-size:22px;margin-bottom:8px}
        .bottom-cta{padding:76px 0;background:#ebe7dc}
        .cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--orange);color:var(--white);border-radius:var(--radius);padding:38px 44px}
        .cta-panel h2{margin:0 0 7px;font-size:30px;line-height:1.35}
        .cta-panel p{margin:0;color:#ffe4d7}
        .site-footer{background:var(--deep);color:var(--white);padding:62px 0 24px}
        .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-bottom:48px}
        .footer-brand .brand{margin-bottom:18px}
        .footer-brand p{max-width:290px;color:#bdb9b0;font-size:14px;margin:0}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h3{font-size:15px;margin:0 0 10px}
        .footer-col a{color:#bdb9b0;font-size:13px;transition:color .2s}
        .footer-col a:hover{color:var(--lime)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;color:#96928a;font-size:12px}
        @media(max-width:1100px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:205px}.reading-layout{grid-template-columns:minmax(0,1fr) 230px;gap:35px}}
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .nav-wrap{min-height:68px;gap:12px}.brand{min-width:0;flex:1}.main-nav{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--cream);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a:after{left:14px;right:auto;width:24px;bottom:5px}.nav-cta{display:none}.menu-toggle{display:block}
            .article-hero{padding:54px 0 60px}.article-hero h1{font-size:38px}.article-summary{font-size:16px}.reading-layout{display:block;padding:48px 0 70px}.article-aside{position:static;margin-top:28px}.article-content{font-size:16px;padding:27px 22px}.article-content h2{font-size:26px}
            .cta-panel{display:block;padding:30px 25px}.cta-panel .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:480px){.article-hero h1{font-size:31px}.breadcrumb{font-size:12px}.article-meta{gap:10px}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: category1 */
:root{
            --ink:#171717;--deep:#242321;--paper:#f7f5ef;--cream:#fffdf8;
            --orange:#e85d2a;--orange-dark:#bd421d;--lime:#c4d96b;--teal:#6bb6a7;
            --muted:#77746e;--line:#dedbd2;--white:#fff;
            --shadow:0 18px 50px rgba(27,24,19,.10);--radius:16px;--container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.95);border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--orange);border-radius:11px;font-size:18px;font-weight:800}
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:#5f5c56;font-size:14px;font-weight:600;transition:color .2s}
        .main-nav a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s}
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:9px;font-weight:700;transition:.2s}
        .nav-cta{padding:11px 17px;color:#fff;background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--cream);font-size:22px}
        .page-hero{position:relative;overflow:hidden;color:#fff;background:var(--deep);padding:86px 0 92px}
        .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,#151515 18%,rgba(36,35,33,.72) 58%,rgba(232,93,42,.22))}
        .page-hero:after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-230px;border:1px solid rgba(196,217,107,.35);border-radius:50%;box-shadow:0 0 0 38px rgba(196,217,107,.06),0 0 0 78px rgba(196,217,107,.035)}
        .hero-inner{position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .page-hero h1{max-width:760px;margin:21px 0 18px;font-size:clamp(38px,5vw,62px);line-height:1.16}
        .hero-lead{max-width:680px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .breadcrumb{position:relative;z-index:1;margin-top:34px;color:#aaa69d;font-size:13px}
        .breadcrumb a:hover{color:var(--lime)}
        .section{padding:100px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
        .section-head h2{max-width:650px;margin:13px 0 0;font-size:clamp(28px,3vw,42px);line-height:1.28}
        .section-head p{max-width:420px;margin:0;color:var(--muted);font-size:15px}
        .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}
        .intro-copy p{color:var(--muted);font-size:17px;line-height:1.95;margin:0 0 20px}
        .highlight-box{padding:30px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
        .highlight-box h3{margin:0 0 20px;font-size:22px}
        .highlight-list{display:grid;gap:16px;margin:0;padding:0;list-style:none}
        .highlight-list li{display:flex;gap:13px;padding-bottom:15px;border-bottom:1px solid var(--line);color:#55524d}
        .highlight-list li:last-child{padding-bottom:0;border-bottom:0}
        .dot{flex:0 0 9px;width:9px;height:9px;margin-top:9px;border-radius:50%;background:var(--orange)}
        .brand-map{background:var(--cream)}
        .map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .map-card{min-height:180px;padding:26px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}
        .map-card:hover{transform:translateY(-4px);border-color:var(--orange);box-shadow:var(--shadow)}
        .map-card .number{color:var(--orange);font-size:13px;font-weight:800;letter-spacing:1px}
        .map-card h3{margin:16px 0 7px;font-size:20px}
        .map-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
        .trust-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
        .trust-title h2{margin:13px 0 0;font-size:38px;line-height:1.3}
        .trust-title p{margin-top:20px;color:var(--muted)}
        .trust-items{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
        .trust-item{padding:23px 0;border-top:2px solid var(--orange)}
        .trust-item strong{display:block;font-size:20px;margin-bottom:7px}
        .trust-item span{color:var(--muted);font-size:14px}
        .path-section{background:var(--deep);color:#fff}
        .path-section .section-kicker{color:var(--lime)}
        .path-section h2{color:#fff}
        .path-section .section-head p{color:#b9b5ac}
        .path-list{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#4c4943;border:1px solid #4c4943}
        .path-step{padding:28px 24px;background:var(--deep);min-height:190px}
        .path-step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--orange);font-size:14px}
        .path-step h3{margin:22px 0 8px;font-size:18px}
        .path-step p{margin:0;color:#b9b5ac;font-size:14px}
        .faq-wrap{max-width:880px;margin:auto}
        .faq-item{border-top:1px solid var(--line)}
        .faq-item:last-child{border-bottom:1px solid var(--line)}
        .faq-item summary{padding:22px 5px;cursor:pointer;list-style:none;font-size:17px;font-weight:700;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";color:var(--orange);font-size:24px;font-weight:400;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 40px 22px 5px;color:var(--muted);font-size:15px;line-height:1.85}
        .cta-section{padding:76px 0;background:#f0e9d9}
        .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:42px 48px;background:var(--orange);border-radius:var(--radius);color:#fff}
        .cta-box h2{margin:0 0 8px;font-size:31px}
        .cta-box p{margin:0;color:#ffe4d6}
        .btn{padding:13px 21px;font-size:14px}
        .btn-primary{color:#fff;background:var(--ink)}
        .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:0 8px 18px rgba(0,0,0,.18)}
        .btn-light{color:#fff;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08)}
        .btn-light:hover{background:#fff;color:var(--ink)}
        .site-footer{padding:62px 0 24px;color:#d7d3ca;background:var(--deep)}
        .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:45px}
        .footer-brand p{max-width:280px;margin:18px 0 0;color:#a9a59c;font-size:13px;line-height:1.8}
        .footer-col{display:grid;align-content:start;gap:10px}
        .footer-col h3{margin:0 0 9px;color:#fff;font-size:15px}
        .footer-col a{color:#aaa69e;font-size:13px;transition:.2s}
        .footer-col a:hover{color:var(--lime);padding-left:3px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid #484640;color:#918d85;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:1100px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:205px}.main-nav a:after{left:7px;right:7px}}
        @media(max-width:768px){
            .container{width:min(calc(100% - 36px),var(--container))}
            .nav-wrap{min-height:70px;gap:12px}.brand{min-width:0;flex:1}.main-nav{display:none;position:absolute;left:18px;right:18px;top:69px;padding:12px;background:var(--cream);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:13px 14px}.main-nav a:after{left:14px;right:auto;width:24px;bottom:7px}.nav-cta{display:none}.menu-toggle{display:block}
            .page-hero{padding:68px 0 68px}.page-hero h1{font-size:39px}.hero-lead{font-size:16px}
            .section{padding:72px 0}.section-head,.intro-grid,.trust-layout{display:block}.section-head p{margin-top:18px}.intro-copy{margin-bottom:35px}.trust-title{margin-bottom:35px}
            .map-grid{grid-template-columns:1fr 1fr}.path-list{grid-template-columns:1fr 1fr}.cta-box{display:block;padding:32px 27px}.cta-box .btn{margin-top:24px}
            .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .map-grid,.path-list,.trust-items{grid-template-columns:1fr}.page-hero h1{font-size:34px}.section-head h2{font-size:30px}.brand-text small{font-size:10px}.brand-mark{width:35px;height:35px}
            .footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
        }

/* roulang page: category2 */
:root{
            --ink:#171717;
            --deep:#242321;
            --paper:#f7f5ef;
            --cream:#fffdf8;
            --orange:#e85d2a;
            --orange-dark:#bd421d;
            --lime:#c4d96b;
            --teal:#6bb6a7;
            --muted:#77746e;
            --line:#dedbd2;
            --white:#fff;
            --shadow:0 18px 50px rgba(27,24,19,.10);
            --shadow-small:0 10px 28px rgba(27,24,19,.08);
            --radius:16px;
            --container:1200px
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:var(--paper);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            line-height:1.7;
            -webkit-font-smoothing:antialiased
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;
            background:rgba(247,245,239,.94);
            border-bottom:1px solid rgba(222,219,210,.85);
            backdrop-filter:blur(14px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{
            width:38px;height:38px;display:grid;place-items:center;
            color:var(--white);background:var(--orange);border-radius:11px;
            font-size:18px;font-weight:800
        }
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{
            position:relative;padding:10px 11px;color:#5f5c56;
            font-size:14px;font-weight:600;transition:color .2s ease
        }
        .main-nav a::after{
            content:"";position:absolute;left:11px;right:11px;bottom:3px;
            height:2px;background:var(--orange);transform:scaleX(0);
            transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
        .nav-cta,.btn{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            border:0;border-radius:9px;font-weight:700;transition:.2s ease
        }
        .nav-cta{
            padding:11px 17px;color:var(--white);background:var(--ink);
            font-size:13px;white-space:nowrap
        }
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{
            display:none;width:44px;height:44px;border:1px solid var(--line);
            border-radius:9px;background:var(--cream);color:var(--ink)
        }
        .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
            display:block;width:19px;height:2px;background:currentColor;
            margin:auto;position:relative
        }
        .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0}
        .menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
        .page-hero{
            position:relative;overflow:hidden;color:var(--white);
            background:var(--deep);padding:86px 0 92px
        }
        .page-hero::before{
            content:"";position:absolute;inset:0;opacity:.28;
            background:linear-gradient(110deg,#151515 18%,transparent 72%),
            url("https://images.unsplash.com/photo-1542751371-adc38448a05e?auto=format&fit=crop&w=1800&q=85") center/cover
        }
        .page-hero::after{
            content:"";position:absolute;width:500px;height:500px;right:-130px;top:-180px;
            border:1px solid rgba(196,217,107,.3);border-radius:50%;
            box-shadow:0 0 0 36px rgba(196,217,107,.05),0 0 0 72px rgba(196,217,107,.035)
        }
        .hero-content{position:relative;z-index:1;max-width:780px}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:9px;color:var(--lime);
            font-size:12px;font-weight:800;letter-spacing:1.4px
        }
        .eyebrow::before,.section-kicker::before{
            content:"";width:24px;height:2px;background:currentColor
        }
        .page-hero h1{
            margin:22px 0 18px;font-size:clamp(38px,5vw,62px);
            line-height:1.16;letter-spacing:.01em
        }
        .hero-lead{max-width:700px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .btn{padding:13px 20px;font-size:14px}
        .btn-primary{color:var(--white);background:var(--orange)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(232,93,42,.25)}
        .btn-light{color:var(--white);border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.07)}
        .btn-light:hover{background:rgba(255,255,255,.15);border-color:var(--white)}
        .breadcrumb-bar{padding:18px 0;background:var(--cream);border-bottom:1px solid var(--line)}
        .breadcrumb{margin:0;color:var(--muted);font-size:13px}
        .breadcrumb a:hover{color:var(--orange)}
        .section{padding:104px 0}
        .section-soft{background:var(--cream)}
        .section-head{
            display:flex;justify-content:space-between;align-items:end;
            gap:30px;margin-bottom:40px
        }
        .section-head h2{
            max-width:650px;margin:13px 0 0;font-size:clamp(28px,3vw,42px);
            line-height:1.28
        }
        .section-head p{max-width:430px;margin:0;color:var(--muted);font-size:15px}
        .feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}
        .feature-card{
            min-height:390px;padding:38px;display:flex;flex-direction:column;
            justify-content:flex-end;position:relative;overflow:hidden;color:var(--white);
            border-radius:var(--radius);background:var(--deep);
            box-shadow:var(--shadow)
        }
        .feature-card::before{
            content:"";position:absolute;inset:0;opacity:.58;
            background:linear-gradient(0deg,rgba(20,19,17,.92),rgba(20,19,17,.12)),
            url("https://images.unsplash.com/photo-1511512578047-dfb367046420?auto=format&fit=crop&w=1200&q=85") center/cover
        }
        .feature-content{position:relative;z-index:1}
        .badge{
            display:inline-flex;align-items:center;width:max-content;padding:5px 10px;
            color:#394019;background:var(--lime);border-radius:6px;
            font-size:12px;font-weight:800
        }
        .feature-card h3{max-width:600px;margin:17px 0 10px;font-size:clamp(25px,3vw,38px);line-height:1.3}
        .feature-card p{max-width:570px;margin:0;color:#dedbd2;font-size:15px}
        .feature-meta{display:flex;gap:18px;margin-top:22px;color:#bcb9b0;font-size:13px}
        .topic-panel{
            padding:30px;background:#f0eee7;border:1px solid var(--line);
            border-radius:var(--radius)
        }
        .topic-panel h3{margin:0 0 22px;font-size:22px}
        .topic-list{display:grid;gap:0}
        .topic-item{
            display:flex;align-items:flex-start;gap:15px;padding:18px 0;
            border-top:1px solid var(--line);transition:.2s ease
        }
        .topic-item:first-child{border-top:0;padding-top:0}
        .topic-item:hover{padding-left:5px}
        .topic-num{color:var(--orange);font-size:14px;font-weight:800}
        .topic-item strong{display:block;font-size:15px;line-height:1.5}
        .topic-item span{display:block;margin-top:4px;color:var(--muted);font-size:13px}
        .news-layout{display:grid;grid-template-columns:1fr 350px;gap:34px}
        .news-list{display:grid;gap:14px}
        .news-item{
            display:grid;grid-template-columns:112px 1fr auto;gap:22px;
            align-items:center;padding:22px;background:var(--cream);
            border:1px solid var(--line);border-radius:13px;transition:.2s ease
        }
        .news-item:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:var(--shadow-small)}
        .news-date{color:var(--orange);font-size:13px;font-weight:800}
        .news-date small{display:block;color:var(--muted);font-weight:500;margin-top:4px}
        .news-item h3{margin:0;font-size:17px;line-height:1.45}
        .news-item p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.65}
        .news-tag{display:inline-block;margin-top:10px;padding:3px 8px;color:#6b4a38;background:#f7e2d6;border-radius:5px;font-size:11px}
        .arrow{
            width:34px;height:34px;display:grid;place-items:center;
            color:var(--orange);border:1px solid #efc5b4;border-radius:50%;
            transition:.2s ease
        }
        .news-item:hover .arrow{color:var(--white);background:var(--orange);border-color:var(--orange)}
        .side-card{padding:28px;background:var(--deep);color:var(--white);border-radius:var(--radius)}
        .side-card h3{margin:0 0 12px;font-size:23px}
        .side-card p{margin:0;color:#c4c1b8;font-size:14px;line-height:1.8}
        .side-card ul{padding:0;margin:22px 0 0;list-style:none}
        .side-card li{padding:10px 0;border-top:1px solid rgba(255,255,255,.14);color:#e1ded6;font-size:14px}
        .side-card li::before{content:"＋";margin-right:8px;color:var(--lime)}
        .filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
        .filter{
            padding:9px 15px;color:var(--muted);background:transparent;
            border:1px solid var(--line);border-radius:8px;font-size:13px;
            transition:.2s ease
        }
        .filter:hover,.filter.active{color:var(--white);background:var(--orange);border-color:var(--orange)}
        .trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .trust-card{padding:28px;background:var(--paper);border-top:3px solid var(--orange);border-radius:0 0 13px 13px}
        .trust-card strong{display:block;font-size:21px;margin-bottom:8px}
        .trust-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
        .faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item summary{
            display:flex;justify-content:space-between;gap:20px;cursor:pointer;
            padding:22px 4px;font-size:16px;font-weight:700;list-style:none
        }
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary::after{content:"＋";color:var(--orange);font-size:20px;font-weight:400}
        .faq-item[open] summary::after{content:"－"}
        .faq-answer{padding:0 42px 22px 4px;color:var(--muted);font-size:14px;line-height:1.85}
        .cta{
            padding:60px 70px;display:flex;align-items:center;justify-content:space-between;
            gap:30px;color:var(--white);background:var(--orange);border-radius:var(--radius);
            overflow:hidden;position:relative
        }
        .cta::after{
            content:"NG28";position:absolute;right:35px;bottom:-48px;
            color:rgba(255,255,255,.1);font-size:150px;font-weight:900;line-height:1
        }
        .cta h2,.cta p{position:relative;z-index:1}
        .cta h2{margin:0 0 10px;font-size:clamp(25px,3vw,38px)}
        .cta p{max-width:580px;margin:0;color:#ffe4d8;font-size:15px}
        .cta .btn{position:relative;z-index:1;white-space:nowrap;color:var(--ink);background:var(--white)}
        .cta .btn:hover{background:var(--lime)}
        .site-footer{padding:70px 0 24px;color:#d5d1c8;background:var(--deep)}
        .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
        .footer-brand .brand{min-width:0;color:var(--white)}
        .footer-brand p{max-width:300px;margin:20px 0 0;color:#aaa69d;font-size:13px;line-height:1.8}
        .footer-col{display:grid;align-content:start;gap:10px}
        .footer-col h3{margin:0 0 9px;color:var(--white);font-size:15px}
        .footer-col a{color:#aaa69d;font-size:13px;transition:color .2s ease}
        .footer-col a:hover{color:var(--lime)}
        .footer-bottom{
            display:flex;justify-content:space-between;gap:20px;margin-top:55px;
            padding-top:20px;border-top:1px solid rgba(255,255,255,.13);
            color:#8f8b84;font-size:12px
        }
        a:focus-visible,button:focus-visible,summary:focus-visible{
            outline:3px solid var(--lime);outline-offset:3px
        }
        @media(max-width:1100px){
            .main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a::after{left:7px;right:7px}
            .brand{min-width:205px}
        }
        @media(max-width:900px){
            .nav-wrap{gap:16px}
            .menu-toggle{display:block;margin-left:auto}
            .main-nav{
                display:none;position:absolute;left:24px;right:24px;top:73px;
                padding:12px;background:var(--cream);border:1px solid var(--line);
                border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .main-nav a::after{left:14px;right:auto;width:25px;bottom:5px}
            .nav-cta{display:none}
            .feature-layout,.news-layout{grid-template-columns:1fr}
            .side-card{order:-1}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .page-hero{padding:68px 0 72px}
            .section{padding:76px 0}
            .section-head{display:block;margin-bottom:28px}
            .section-head p{margin-top:15px}
            .feature-card{min-height:360px;padding:27px}
            .news-item{grid-template-columns:82px 1fr;gap:14px}
            .news-item .arrow{grid-column:2;grid-row:1;justify-self:end}
            .trust-grid{grid-template-columns:1fr}
            .cta{display:block;padding:42px 28px}
            .cta .btn{margin-top:24px}
            .footer-top{grid-template-columns:1fr 1fr;gap:30px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-top:8px}
        }
        @media(max-width:520px){
            .brand{min-width:0}
            .brand-text small{font-size:10px}
            .page-hero h1{font-size:38px}
            .hero-lead{font-size:16px}
            .hero-actions .btn{width:100%}
            .feature-card{min-height:390px}
            .topic-panel{padding:23px}
            .news-item{padding:18px}
            .news-date{font-size:12px}
            .news-item h3{font-size:15px}
            .footer-top{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
        }

/* roulang page: category3 */
:root {
            --ink: #171717;
            --deep: #242321;
            --paper: #f7f5ef;
            --cream: #fffdf8;
            --orange: #e85d2a;
            --orange-dark: #bd421d;
            --lime: #c4d96b;
            --teal: #6bb6a7;
            --muted: #77746e;
            --line: #dedbd2;
            --white: #ffffff;
            --soft-orange: #fff0e9;
            --shadow: 0 18px 50px rgba(27, 24, 19, .10);
            --radius: 16px;
            --container: 1200px;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0; color: var(--ink); background: var(--paper);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
            line-height: 1.7; -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; }
        img { display: block; max-width: 100%; }
        button, input { font: inherit; }
        button { cursor: pointer; }
        :focus-visible { outline: 3px solid rgba(232,93,42,.45); outline-offset: 3px; }
        .container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }

        .site-header {
            position: sticky; top: 0; z-index: 30; background: rgba(247,245,239,.94);
            border-bottom: 1px solid rgba(222,219,210,.85); backdrop-filter: blur(14px);
        }
        .nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 24px; }
        .brand { display: inline-flex; align-items: center; gap: 11px; min-width: 220px; }
        .brand-mark {
            width: 38px; height: 38px; display: grid; place-items: center; color: var(--white);
            background: var(--orange); border-radius: 11px; font-size: 18px; font-weight: 800;
        }
        .brand-text { display: grid; line-height: 1.25; }
        .brand-text strong { font-size: 16px; font-weight: 800; }
        .brand-text small { color: var(--muted); font-size: 11px; margin-top: 3px; }
        .main-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
        .main-nav a {
            position: relative; padding: 10px 11px; color: #5f5c56; font-size: 14px;
            font-weight: 600; white-space: nowrap; transition: color .2s ease;
        }
        .main-nav a::after {
            content: ""; position: absolute; left: 11px; right: 11px; bottom: 3px; height: 2px;
            background: var(--orange); transform: scaleX(0); transition: transform .2s ease;
        }
        .main-nav a:hover, .main-nav a.active { color: var(--ink); }
        .main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
        .nav-cta, .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 0;
            border-radius: 9px; font-weight: 700; transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
        }
        .nav-cta { padding: 11px 16px; color: var(--white); background: var(--ink); font-size: 13px; white-space: nowrap; }
        .nav-cta:hover { background: var(--orange); transform: translateY(-2px); }
        .menu-toggle {
            display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 9px;
            background: var(--cream); color: var(--ink); font-size: 20px;
        }

        .crumbs { padding: 24px 0 0; color: var(--muted); font-size: 13px; }
        .crumbs span { margin: 0 8px; color: #aaa69e; }
        .app-hero {
            position: relative; overflow: hidden; margin-top: 22px; padding: 76px 0 86px;
            color: var(--white); background: var(--deep);
        }
        .app-hero::before {
            content: ""; position: absolute; inset: 0;
            background: radial-gradient(circle at 78% 35%, rgba(232,93,42,.25), transparent 27%),
                        radial-gradient(circle at 57% 110%, rgba(196,217,107,.13), transparent 30%);
        }
        .app-hero::after {
            content: ""; position: absolute; width: 460px; height: 460px; right: -140px; top: -175px;
            border: 1px solid rgba(196,217,107,.25); border-radius: 50%;
            box-shadow: 0 0 0 42px rgba(196,217,107,.04), 0 0 0 85px rgba(196,217,107,.025);
        }
        .app-hero-grid {
            position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1fr) 390px;
            align-items: center; gap: 60px;
        }
        .eyebrow, .section-kicker {
            display: inline-flex; align-items: center; gap: 9px; color: var(--lime);
            font-size: 12px; font-weight: 800; letter-spacing: 1.35px;
        }
        .eyebrow::before, .section-kicker::before { content: ""; width: 24px; height: 2px; background: currentColor; }
        .app-hero h1 { max-width: 720px; margin: 20px 0 18px; font-size: clamp(38px, 5vw, 59px); line-height: 1.18; }
        .app-hero p { max-width: 650px; margin: 0; color: #d8d5cc; font-size: 17px; line-height: 1.9; }
        .hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
        .btn { padding: 13px 20px; font-size: 14px; }
        .btn-primary { color: var(--white); background: var(--orange); }
        .btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(232,93,42,.25); }
        .btn-light { color: var(--white); border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.07); }
        .btn-light:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }
        .download-panel {
            padding: 25px; border: 1px solid rgba(255,255,255,.15); border-radius: 18px;
            background: rgba(255,255,255,.06); box-shadow: 0 20px 48px rgba(0,0,0,.16);
        }
        .panel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
        .panel-top strong { font-size: 15px; }
        .status { padding: 4px 9px; border-radius: 99px; color: var(--lime); background: rgba(196,217,107,.13); font-size: 11px; font-weight: 700; }
        .qr-row { display: flex; gap: 18px; align-items: center; }
        .qr-box {
            width: 104px; height: 104px; flex: 0 0 104px; padding: 8px; background: var(--white);
            border-radius: 10px;
        }
        .qr-pattern {
            width: 100%; height: 100%; opacity: .86;
            background:
                linear-gradient(90deg,#181818 10%,transparent 10% 20%,#181818 20% 32%,transparent 32% 42%,#181818 42% 50%,transparent 50% 62%,#181818 62% 76%,transparent 76% 86%,#181818 86%),
                linear-gradient(#181818 10%,transparent 10% 21%,#181818 21% 31%,transparent 31% 44%,#181818 44% 55%,transparent 55% 64%,#181818 64% 77%,transparent 77% 87%,#181818 87%);
            background-size: 19px 19px; border-radius: 3px;
        }
        .qr-row p { color: #cfccc4; font-size: 13px; line-height: 1.65; }
        .panel-line { height: 1px; margin: 21px 0 15px; background: rgba(255,255,255,.14); }
        .panel-meta { display: flex; justify-content: space-between; gap: 12px; color: #bdb9b0; font-size: 12px; }

        .section { padding: 100px 0; }
        .section-alt { background: var(--cream); }
        .section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 40px; }
        .section-head h2 { max-width: 650px; margin: 13px 0 0; font-size: clamp(28px,3vw,42px); line-height: 1.28; }
        .section-head p { max-width: 405px; margin: 0; color: var(--muted); font-size: 15px; }
        .platform-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
        .platform-card {
            min-height: 238px; padding: 28px; background: var(--white); border: 1px solid var(--line);
            border-radius: var(--radius); box-shadow: 0 7px 22px rgba(28,24,18,.035); transition: .2s ease;
        }
        .platform-card:hover { border-color: rgba(232,93,42,.55); transform: translateY(-4px); box-shadow: var(--shadow); }
        .platform-icon {
            width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 25px;
            color: var(--orange); background: var(--soft-orange); border-radius: 13px; font-size: 19px; font-weight: 800;
        }
        .platform-card h3 { margin: 0 0 8px; font-size: 19px; }
        .platform-card p { margin: 0; color: var(--muted); font-size: 14px; }
        .text-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 21px; color: var(--orange-dark); font-size: 14px; font-weight: 800; }
        .text-link:hover { color: var(--orange); gap: 11px; }

        .device-section { overflow: hidden; background: var(--deep); color: var(--white); }
        .device-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 84px; align-items: center; }
        .phone-stage { min-height: 475px; display: grid; place-items: center; position: relative; }
        .phone-stage::before {
            content: ""; position: absolute; width: 330px; height: 330px; border-radius: 50%;
            background: rgba(232,93,42,.22); filter: blur(1px);
        }
        .phone {
            position: relative; z-index: 1; width: 235px; height: 445px; padding: 10px; border: 7px solid #111;
            border-radius: 37px; background: #121212; box-shadow: 22px 28px 60px rgba(0,0,0,.44);
        }
        .phone::before { content: ""; position: absolute; width: 84px; height: 18px; top: 9px; left: 50%; transform: translateX(-50%); background: #111; border-radius: 0 0 13px 13px; z-index: 2; }
        .screen {
            height: 100%; padding: 40px 16px 16px; overflow: hidden; border-radius: 25px;
            background: linear-gradient(155deg,#f07849,#e95d2a 42%,#312c27 42%,#22211f);
        }
        .screen small { color: rgba(255,255,255,.78); font-size: 10px; }
        .screen strong { display: block; margin-top: 12px; color: white; font-size: 22px; line-height: 1.16; }
        .screen-card { margin-top: 24px; padding: 13px; color: #2b2824; background: #fffaf3; border-radius: 12px; }
        .screen-card b { font-size: 12px; }
        .screen-bars { display: grid; gap: 8px; margin-top: 12px; }
        .screen-bars span { display: block; height: 7px; border-radius: 8px; background: #e5ddd4; }
        .screen-bars span:nth-child(2) { width: 72%; background: #c4d96b; }
        .screen-menu { display: flex; gap: 7px; margin-top: 26px; }
        .screen-menu i { width: 31px; height: 31px; border-radius: 9px; background: rgba(255,255,255,.16); }
        .device-copy .section-kicker { color: var(--lime); }
        .device-copy h2 { margin: 14px 0 18px; font-size: clamp(28px,3.3vw,43px); line-height: 1.3; }
        .device-copy > p { margin: 0; color: #c9c5bd; font-size: 16px; }
        .feature-list { display: grid; gap: 17px; margin: 29px 0 0; padding: 0; list-style: none; }
        .feature-list li { display: grid; grid-template-columns: 27px 1fr; gap: 12px; color: #ddd9d0; font-size: 14px; }
        .feature-list i { width: 24px; height: 24px; display: grid; place-items: center; color: var(--deep); background: var(--lime); border-radius: 50%; font-style: normal; font-size: 12px; font-weight: 900; }

        .steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); }
        .step { position: relative; min-height: 220px; padding: 29px 26px; border-right: 1px solid var(--line); }
        .step:last-child { border-right: 0; }
        .step-no { display: block; color: var(--orange); font-size: 13px; font-weight: 800; letter-spacing: 1px; }
        .step h3 { margin: 30px 0 9px; font-size: 19px; }
        .step p { margin: 0; color: var(--muted); font-size: 14px; }
        .step::after { content: "→"; position: absolute; right: -10px; top: 25px; z-index: 1; color: var(--orange); font-size: 19px; background: var(--white); }
        .step:last-child::after { display: none; }

        .notice-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 24px; align-items: stretch; }
        .notice-main { padding: 34px; color: var(--white); background: var(--orange); border-radius: var(--radius); }
        .notice-main .section-kicker { color: #fff0c2; }
        .notice-main h2 { margin: 16px 0 14px; font-size: 31px; line-height: 1.35; }
        .notice-main p { margin: 0; color: #fff1eb; font-size: 15px; }
        .notice-list { padding: 15px 29px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
        .notice-row { display: flex; gap: 16px; align-items: start; padding: 17px 0; border-bottom: 1px solid var(--line); }
        .notice-row:last-child { border: 0; }
        .notice-dot { width: 10px; height: 10px; flex: 0 0 10px; margin-top: 8px; border-radius: 50%; background: var(--teal); }
        .notice-row strong { display: block; font-size: 15px; }
        .notice-row span { display: block; margin-top: 3px; color: var(--muted); font-size: 13px; }

        .faq-wrap { max-width: 910px; margin: 0 auto; }
        .faq-item { margin-bottom: 11px; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
        .faq-item summary { display: flex; align-items: center; gap: 15px; padding: 20px 22px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 800; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::before { content: "+"; display: grid; place-items: center; width: 25px; height: 25px; flex: 0 0 25px; color: var(--orange); background: var(--soft-orange); border-radius: 50%; font-size: 18px; font-weight: 400; }
        .faq-item[open] summary { color: var(--orange-dark); }
        .faq-item[open] summary::before { content: "−"; }
        .faq-answer { padding: 0 24px 22px 62px; color: var(--muted); font-size: 14px; }
        .faq-answer p { margin: 0; }

        .cta-section { padding: 0 0 104px; }
        .cta-box {
            position: relative; overflow: hidden; padding: 55px 60px; color: var(--white);
            background: var(--deep); border-radius: 20px;
        }
        .cta-box::after { content: "NG28"; position: absolute; right: 32px; bottom: -51px; color: rgba(255,255,255,.05); font-size: 154px; font-weight: 900; letter-spacing: -12px; }
        .cta-content { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
        .cta-content h2 { margin: 0 0 9px; font-size: clamp(27px,3vw,39px); }
        .cta-content p { margin: 0; color: #c9c5bd; font-size: 15px; }
        .cta-content .btn { flex: 0 0 auto; }

        .site-footer { color: #d4d0c7; background: #1b1a18; }
        .footer-top { display: grid; grid-template-columns: 1.8fr repeat(3,1fr); gap: 42px; padding: 67px 0 48px; }
        .footer-brand .brand { color: var(--white); }
        .footer-brand p { max-width: 330px; margin: 20px 0 0; color: #aaa69e; font-size: 13px; line-height: 1.8; }
        .footer-col h3 { margin: 0 0 17px; color: var(--white); font-size: 14px; }
        .footer-col a { display: block; width: fit-content; margin: 9px 0; color: #aaa69e; font-size: 13px; transition: color .2s ease; }
        .footer-col a:hover { color: var(--lime); }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 21px 0; border-top: 1px solid rgba(255,255,255,.11); color: #85817a; font-size: 12px; }

        @media (max-width: 1100px) {
            .brand { min-width: auto; }
            .main-nav a { padding-left: 8px; padding-right: 8px; font-size: 13px; }
            .app-hero-grid { grid-template-columns: 1fr 335px; gap: 30px; }
            .device-layout { gap: 42px; }
        }
        @media (max-width: 850px) {
            .nav-wrap { justify-content: space-between; gap: 12px; }
            .menu-toggle { display: grid; place-items: center; }
            .nav-cta { display: none; }
            .main-nav {
                display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 12px 24px 20px;
                border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 14px 20px rgba(0,0,0,.06);
            }
            .main-nav.open { display: grid; grid-template-columns: repeat(2,1fr); }
            .main-nav a { padding: 12px 8px; }
            .app-hero-grid, .device-layout, .notice-grid { grid-template-columns: 1fr; }
            .download-panel { max-width: 440px; }
            .device-layout { gap: 25px; }
            .phone-stage { min-height: 405px; }
            .platform-grid { grid-template-columns: 1fr; }
            .steps { grid-template-columns: repeat(2,1fr); }
            .step:nth-child(2) { border-right: 0; }
            .step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .step:nth-child(2)::after { display: none; }
            .section { padding: 76px 0; }
            .footer-top { grid-template-columns: 1.5fr 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .container { width: min(calc(100% - 32px), var(--container)); }
            .brand-text strong { font-size: 14px; }
            .brand-text small { font-size: 10px; }
            .crumbs { padding-top: 17px; }
            .app-hero { margin-top: 16px; padding: 54px 0 58px; }
            .app-hero h1 { font-size: 35px; }
            .app-hero p { font-size: 15px; }
            .hero-actions .btn { width: 100%; }
            .download-panel { padding: 19px; }
            .section-head { display: block; margin-bottom: 28px; }
            .section-head p { margin-top: 14px; }
            .section { padding: 64px 0; }
            .steps { grid-template-columns: 1fr; }
            .step, .step:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
            .step:last-child { border-bottom: 0; }
            .step::after { display: none; }
            .phone-stage { min-height: 390px; }
            .cta-box { padding: 38px 25px; }
            .cta-content { display: block; }
            .cta-content .btn { width: 100%; margin-top: 24px; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 28px 20px; padding-top: 48px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { display: block; }
            .footer-bottom span { display: block; margin: 5px 0; }
            .faq-item summary { padding: 17px; font-size: 15px; }
            .faq-answer { padding: 0 17px 18px 57px; }
        }

/* roulang page: category4 */
:root{
            --ink:#171717;--deep:#242321;--paper:#f7f5ef;--cream:#fffdf8;
            --orange:#e85d2a;--orange-dark:#bd421d;--lime:#c4d96b;--teal:#6bb6a7;
            --muted:#77746e;--line:#dedbd2;--white:#fff;
            --shadow:0 18px 50px rgba(27,24,19,.10);--radius:16px;--container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.94);border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:34px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--orange);border-radius:11px;font-size:18px;font-weight:800}
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:5px;flex:1}
        .main-nav a{position:relative;padding:10px 13px;color:#5f5c56;font-size:14px;font-weight:600;transition:color .2s ease}
        .main-nav a:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:9px;font-weight:700;transition:.2s ease}
        .nav-cta{padding:11px 17px;color:var(--white);background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--cream);font-size:20px}
        .page-hero{position:relative;overflow:hidden;background:var(--deep);color:var(--white);padding:92px 0 104px}
        .page-hero:before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-230px;border:1px solid rgba(196,217,107,.35);border-radius:50%;box-shadow:0 0 0 38px rgba(196,217,107,.06),0 0 0 78px rgba(196,217,107,.035)}
        .page-hero:after{content:"";position:absolute;left:-100px;bottom:-180px;width:390px;height:390px;border:1px solid rgba(232,93,42,.32);border-radius:50%}
        .page-hero-inner{position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:#aaa69d;font-size:13px;margin-bottom:26px}
        .breadcrumb a:hover{color:var(--lime)}
        .page-hero h1{max-width:780px;margin:18px 0 20px;font-size:clamp(38px,5vw,62px);line-height:1.16}
        .page-lead{max-width:680px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .hero-line{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
        .btn{padding:13px 20px;font-size:14px}
        .btn-primary{color:var(--white);background:var(--orange)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(232,93,42,.25)}
        .btn-light{color:var(--white);border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.07)}
        .btn-light:hover{background:rgba(255,255,255,.15);border-color:var(--white)}
        .guide-ribbon{margin-top:-34px;position:relative;z-index:2}
        .ribbon{display:grid;grid-template-columns:repeat(3,1fr);background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
        .ribbon-item{padding:24px 28px;border-right:1px solid var(--line)}
        .ribbon-item:last-child{border-right:0}
        .ribbon-item b{display:block;font-size:23px;line-height:1.2}
        .ribbon-item span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
        .section{padding:105px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
        .section-head h2{max-width:610px;margin:13px 0 0;font-size:clamp(28px,3vw,42px);line-height:1.28}
        .section-head p{max-width:430px;margin:0;color:var(--muted);font-size:15px}
        .path-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:start}
        .path-list{border-top:1px solid var(--line)}
        .path-item{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}
        .step-no{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;color:var(--white);background:var(--orange);font-weight:800}
        .path-item h3{margin:0;font-size:19px}
        .path-item p{margin:5px 0 0;color:var(--muted);font-size:14px}
        .path-arrow{color:var(--orange);font-size:21px}
        .guide-panel{position:relative;min-height:390px;padding:36px;color:var(--white);background:var(--deep);border-radius:22px;overflow:hidden}
        .guide-panel:after{content:"NG28";position:absolute;right:-24px;bottom:-40px;color:rgba(255,255,255,.05);font-size:120px;font-weight:900;line-height:1}
        .panel-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
        .status{padding:5px 10px;border-radius:20px;color:#273019;background:var(--lime);font-size:12px;font-weight:800}
        .guide-panel h3{position:relative;z-index:1;max-width:300px;margin:78px 0 16px;font-size:30px;line-height:1.35}
        .guide-panel p{position:relative;z-index:1;max-width:340px;color:#c9c6bd;font-size:14px}
        .guide-panel .mini-line{position:absolute;left:36px;right:36px;bottom:34px;height:5px;background:rgba(255,255,255,.12);border-radius:8px}
        .guide-panel .mini-line i{display:block;width:62%;height:100%;background:var(--orange);border-radius:8px}
        .topics-section{background:var(--cream)}
        .topic-grid{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:18px}
        .topic-card{min-height:225px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);transition:.2s ease}
        .topic-card:hover{transform:translateY(-5px);border-color:var(--orange);box-shadow:var(--shadow)}
        .topic-card.featured{grid-row:span 2;min-height:468px;color:var(--white);background:var(--deep);border-color:var(--deep)}
        .topic-card .topic-icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:34px;color:var(--orange);background:#fff0e8;border-radius:12px;font-weight:800}
        .topic-card.featured .topic-icon{color:var(--deep);background:var(--lime)}
        .topic-card h3{margin:0 0 10px;font-size:21px}
        .topic-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
        .topic-card.featured p{color:#c4c0b7}
        .topic-card a{display:inline-flex;margin-top:24px;color:var(--orange);font-size:13px;font-weight:800}
        .topic-card.featured a{color:var(--lime)}
        .tips-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
        .tips-copy h2{margin:13px 0 17px;font-size:clamp(28px,3vw,40px);line-height:1.3}
        .tips-copy p{color:var(--muted);font-size:16px;line-height:1.9}
        .tips-box{padding:10px 28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--cream)}
        .tip-row{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
        .tip-row:last-child{border-bottom:0}
        .tip-mark{flex:0 0 26px;height:26px;display:grid;place-items:center;color:var(--white);background:var(--teal);border-radius:50%;font-size:13px;font-weight:800}
        .tip-row strong{display:block;font-size:16px}
        .tip-row span{display:block;margin-top:3px;color:var(--muted);font-size:13px}
        .faq-section{background:#eeeae1}
        .faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:22px 4px;border:0;background:transparent;text-align:left;font-weight:800;font-size:17px;color:var(--ink)}
        .faq-question span:last-child{color:var(--orange);font-size:23px;transition:.2s}
        .faq-answer{display:none;padding:0 44px 22px 4px;color:var(--muted);font-size:15px;line-height:1.85}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta-section{padding:76px 0}
        .cta-box{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:48px 54px;color:var(--white);background:var(--orange);border-radius:22px}
        .cta-box h2{margin:0 0 8px;font-size:clamp(27px,3vw,39px);line-height:1.3}
        .cta-box p{margin:0;color:#ffe2d5;font-size:15px}
        .cta-box .btn{color:var(--ink);background:var(--white)}
        .cta-box .btn:hover{background:var(--lime)}
        .site-footer{padding:64px 0 25px;color:#d8d5cc;background:var(--deep)}
        .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
        .footer-brand .brand{color:var(--white);margin-bottom:20px}
        .footer-brand .brand-text small{color:#aaa69d}
        .footer-brand p{max-width:310px;margin:0;color:#aaa69d;font-size:13px;line-height:1.8}
        .footer-col{display:flex;flex-direction:column;gap:10px}
        .footer-col h3{margin:0 0 9px;color:var(--white);font-size:14px}
        .footer-col a{color:#aaa69d;font-size:13px;transition:color .2s}
        .footer-col a:hover{color:var(--lime)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:#8f8b83;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:1100px){
            .main-nav a{padding-left:8px;padding-right:8px;font-size:13px}.main-nav a:after{left:8px;right:8px}
            .nav-wrap{gap:15px}.brand{min-width:205px}.topic-grid{grid-template-columns:1fr 1fr}.topic-card.featured{grid-row:auto;grid-column:span 2;min-height:300px}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 34px),var(--container))}
            .nav-wrap{min-height:68px}.menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}
            .main-nav{display:none;position:absolute;left:17px;right:17px;top:70px;padding:12px;flex-direction:column;align-items:stretch;gap:2px;background:var(--cream);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}.main-nav a:after{display:none}
            .page-hero{padding:66px 0 88px}.page-hero h1{font-size:39px}.page-lead{font-size:16px}
            .ribbon{grid-template-columns:1fr}.ribbon-item{border-right:0;border-bottom:1px solid var(--line);padding:19px 23px}.ribbon-item:last-child{border-bottom:0}
            .section{padding:76px 0}.section-head,.cta-box{display:block}.section-head p{margin-top:16px}.path-layout,.tips-layout{grid-template-columns:1fr;gap:38px}
            .topic-grid{grid-template-columns:1fr}.topic-card.featured{grid-column:auto;min-height:300px}
            .cta-box{padding:34px 27px}.cta-box .btn{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
        }
        @media(max-width:480px){
            .brand{min-width:0}.brand-text strong{font-size:14px}.brand-text small{font-size:10px}
            .page-hero h1{font-size:32px}.breadcrumb{font-size:12px}.hero-line .btn{width:100%}
            .path-item{grid-template-columns:45px 1fr;gap:14px}.path-arrow{display:none}.path-item h3{font-size:17px}
            .guide-panel{min-height:360px;padding:27px}.guide-panel h3{margin-top:64px;font-size:26px}
            .footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}
        }

/* roulang page: category5 */
:root{
            --ink:#171717;--deep:#242321;--paper:#f7f5ef;--cream:#fffdf8;
            --orange:#e85d2a;--orange-dark:#bd421d;--lime:#c4d96b;--teal:#6bb6a7;
            --muted:#77746e;--line:#dedbd2;--white:#fff;
            --shadow:0 18px 50px rgba(27,24,19,.10);--radius:16px;--container:1200px
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.94);border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:24px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--orange);border-radius:11px;font-size:18px;font-weight:800}
        .brand-text{display:grid;line-height:1.25}.brand-text strong{font-size:16px;font-weight:800}.brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:2px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:#5f5c56;font-size:14px;font-weight:600;transition:color .2s ease;white-space:nowrap}
        .main-nav a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}.main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:9px;font-weight:700;transition:.2s ease}
        .nav-cta{padding:11px 17px;color:#fff;background:var(--ink);font-size:13px;white-space:nowrap}.nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--cream);font-size:20px}
        .page-hero{background:var(--deep);color:#fff;padding:78px 0 82px;position:relative;overflow:hidden}
        .page-hero:after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-210px;border:1px solid rgba(196,217,107,.35);border-radius:50%;box-shadow:0 0 0 35px rgba(196,217,107,.06),0 0 0 72px rgba(196,217,107,.035)}
        .page-hero .container{position:relative;z-index:1}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .page-hero h1{max-width:760px;margin:18px 0 15px;font-size:clamp(36px,5vw,60px);line-height:1.18}
        .page-hero p{max-width:700px;margin:0;color:#d8d5cc;font-size:17px;line-height:1.9}
        .breadcrumb{margin-top:30px;color:#aaa69c;font-size:13px}.breadcrumb a{color:#e9e5da}.breadcrumb span{margin:0 8px;color:var(--orange)}
        .section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
        .section-head h2{max-width:620px;margin:12px 0 0;font-size:clamp(28px,3vw,42px);line-height:1.28}.section-head p{max-width:430px;margin:0;color:var(--muted);font-size:15px}
        .notice-feature{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:stretch}
        .feature-card,.notice-list,.info-panel,.faq-wrap{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
        .feature-card{padding:38px;position:relative;overflow:hidden}.feature-card:before{content:"";position:absolute;right:-55px;bottom:-85px;width:230px;height:230px;border-radius:50%;background:rgba(232,93,42,.10)}
        .feature-card h3{position:relative;max-width:480px;margin:17px 0 14px;font-size:29px;line-height:1.4}.feature-card p{position:relative;color:var(--muted);margin:0;max-width:540px}
        .tag{display:inline-flex;padding:5px 10px;border-radius:6px;background:rgba(232,93,42,.12);color:var(--orange-dark);font-size:12px;font-weight:800}.tag.live{background:rgba(107,182,167,.18);color:#337b70}.tag.end{background:#ebe9e2;color:#77746e}
        .meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:25px;color:var(--muted);font-size:13px}.meta b{color:var(--ink);font-weight:700}
        .notice-list{padding:18px 24px}.notice-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.notice-item:last-child{border-bottom:0}
        .notice-date{font-size:13px;color:var(--muted)}.notice-date strong{display:block;color:var(--ink);font-size:18px}.notice-copy h3{margin:0;font-size:16px}.notice-copy p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.notice-state{font-size:12px;white-space:nowrap}
        .dark-strip{background:var(--deep);color:#fff}.dark-strip .section-kicker{color:var(--lime)}.dark-strip p{color:#bdb9ae}
        .status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.status-card{padding:27px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:rgba(255,255,255,.045)}.status-card strong{display:block;font-size:26px;margin-bottom:7px}.status-card p{margin:0;font-size:14px;line-height:1.7}
        .timeline{position:relative;max-width:930px;margin:0 auto;padding:10px 0}.timeline:before{content:"";position:absolute;left:116px;top:0;bottom:0;width:1px;background:var(--line)}.timeline-row{display:grid;grid-template-columns:92px 1fr;gap:48px;position:relative;padding:0 0 35px}.timeline-row:last-child{padding-bottom:0}.timeline-row:after{content:"";position:absolute;left:111px;top:8px;width:11px;height:11px;background:var(--orange);border:3px solid var(--paper);border-radius:50%;box-sizing:content-box}.timeline-date{color:var(--muted);font-size:13px}.timeline-content{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:21px 25px}.timeline-content h3{margin:0 0 7px;font-size:18px}.timeline-content p{margin:0;color:var(--muted);font-size:14px}
        .faq-wrap{max-width:900px;margin:auto;padding:8px 28px}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border:0}.faq-question{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-weight:700}.faq-question span:last-child{color:var(--orange);font-size:24px;font-weight:400}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 22px 0}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{background:var(--orange);color:#fff;border-radius:var(--radius);padding:48px 55px;display:flex;justify-content:space-between;align-items:center;gap:28px}.cta h2{margin:0;font-size:31px;line-height:1.3}.cta p{margin:8px 0 0;color:#ffe4d8}.btn-light{padding:13px 20px;color:#fff;border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.09);white-space:nowrap}.btn-light:hover{background:#fff;color:var(--orange-dark)}
        .site-footer{background:var(--deep);color:#fff;padding:68px 0 25px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer-brand p{max-width:280px;color:#aaa69c;font-size:13px;margin:19px 0 0}.footer-col{display:flex;flex-direction:column;gap:10px}.footer-col h3{font-size:14px;margin:0 0 9px;color:#fff}.footer-col a{color:#aaa69c;font-size:13px;transition:color .2s}.footer-col a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;color:#858178;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:1100px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.main-nav a:after{left:7px;right:7px}.nav-wrap{gap:12px}.brand{min-width:205px}}
        @media(max-width:900px){.main-nav{display:none;position:absolute;left:24px;right:24px;top:70px;padding:12px;background:var(--cream);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 15px}.main-nav a:after{display:none}.menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}.notice-feature{grid-template-columns:1fr}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
        @media(max-width:768px){.container{width:min(calc(100% - 32px),var(--container))}.page-hero{padding:62px 0 65px}.section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:15px}.status-grid{grid-template-columns:1fr}.timeline:before{left:9px}.timeline-row{grid-template-columns:1fr;gap:8px;padding-left:34px}.timeline-row:after{left:4px}.cta{display:block;padding:34px 28px}.cta .btn{margin-top:23px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
        @media(max-width:520px){.brand{min-width:0}.brand-text strong{font-size:15px}.brand-text small{font-size:10px}.page-hero h1{font-size:35px}.feature-card{padding:27px 23px}.notice-list{padding:10px 18px}.notice-item{grid-template-columns:72px 1fr;gap:10px}.notice-state{grid-column:2}.notice-copy h3{font-size:15px}.faq-wrap{padding:5px 20px}.footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

/* roulang page: category6 */
:root{
            --ink:#171717;
            --deep:#242321;
            --paper:#f7f5ef;
            --cream:#fffdf8;
            --orange:#e85d2a;
            --orange-dark:#bd421d;
            --lime:#c4d96b;
            --teal:#6bb6a7;
            --muted:#77746e;
            --line:#dedbd2;
            --white:#fff;
            --shadow:0 18px 50px rgba(27,24,19,.10);
            --shadow-soft:0 9px 30px rgba(27,24,19,.07);
            --radius:16px;
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(247,245,239,.95);
            border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{
            width:38px;height:38px;display:grid;place-items:center;color:var(--white);
            background:var(--orange);border-radius:11px;font-size:18px;font-weight:800
        }
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{
            position:relative;padding:10px 11px;color:#5f5c56;font-size:14px;
            font-weight:600;transition:color .2s ease
        }
        .main-nav a:after{
            content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;
            background:var(--orange);transform:scaleX(0);transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            border:0;border-radius:9px;font-weight:700;transition:.2s ease
        }
        .nav-cta{padding:11px 17px;color:var(--white);background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{
            display:none;width:44px;height:44px;border:1px solid var(--line);
            border-radius:9px;background:var(--cream);color:var(--ink)
        }
        .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
            display:block;width:18px;height:2px;background:currentColor;content:"";
            margin:auto;position:relative
        }
        .menu-toggle span:before{position:absolute;top:-6px}
        .menu-toggle span:after{position:absolute;top:6px}
        .page-hero{
            position:relative;overflow:hidden;color:var(--white);background:var(--deep);
            padding:84px 0 92px
        }
        .page-hero:before{
            content:"";position:absolute;inset:0;opacity:.28;
            background:linear-gradient(115deg,#151515 20%,transparent 72%),
            url("https://images.unsplash.com/photo-1542751371-adc38448a05e?auto=format&fit=crop&w=1800&q=85") center/cover
        }
        .page-hero:after{
            content:"";position:absolute;width:500px;height:500px;right:-150px;top:-210px;
            border:1px solid rgba(196,217,107,.3);border-radius:50%;
            box-shadow:0 0 0 36px rgba(196,217,107,.05),0 0 0 72px rgba(196,217,107,.035)
        }
        .page-hero-inner{position:relative;z-index:1}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:9px;color:var(--lime);
            font-size:12px;font-weight:800;letter-spacing:1.3px
        }
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:#aaa69c;font-size:13px;margin-bottom:28px}
        .breadcrumb a:hover{color:var(--lime)}
        .breadcrumb .current{color:#e5e1d8}
        .page-hero h1{max-width:760px;margin:17px 0 18px;font-size:clamp(38px,5vw,62px);line-height:1.15}
        .page-lead{max-width:680px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
        .hero-meta span{padding:7px 12px;border:1px solid rgba(255,255,255,.18);border-radius:8px;color:#d5d1c7;font-size:13px}
        .section{padding:104px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
        .section-head h2{max-width:600px;margin:13px 0 0;font-size:clamp(28px,3vw,42px);line-height:1.28}
        .section-head p{max-width:450px;margin:0;color:var(--muted);font-size:15px}
        .faq-layout{display:grid;grid-template-columns:310px 1fr;gap:72px;align-items:start}
        .faq-intro{position:sticky;top:112px}
        .faq-intro h2{margin:14px 0 15px;font-size:34px;line-height:1.3}
        .faq-intro p{margin:0;color:var(--muted);font-size:15px}
        .topic-list{display:grid;gap:9px;margin-top:28px}
        .topic-list a{
            display:flex;justify-content:space-between;align-items:center;padding:13px 15px;
            border:1px solid var(--line);border-radius:10px;color:#5f5c56;font-size:14px;
            background:rgba(255,253,248,.55);transition:.2s
        }
        .topic-list a:hover,.topic-list a.active{color:var(--ink);border-color:var(--orange);background:var(--cream)}
        .topic-list a.active:after{content:"→";color:var(--orange);font-weight:800}
        .search-box{position:relative;margin-bottom:22px}
        .search-box input{
            width:100%;height:54px;padding:0 18px 0 48px;border:1px solid var(--line);
            border-radius:11px;background:var(--cream);color:var(--ink);transition:.2s
        }
        .search-box input:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(232,93,42,.1);outline:0}
        .search-icon{position:absolute;left:18px;top:13px;color:var(--muted);font-size:20px}
        .faq-list{display:grid;gap:12px}
        .faq-item{
            border:1px solid var(--line);border-radius:13px;background:var(--cream);
            overflow:hidden;transition:.2s
        }
        .faq-item:hover{border-color:#c9c2b7;box-shadow:var(--shadow-soft)}
        .faq-question{
            width:100%;display:flex;align-items:center;gap:15px;padding:21px 23px;
            border:0;background:transparent;text-align:left;color:var(--ink);font-weight:700;font-size:16px
        }
        .faq-number{color:var(--orange);font-size:12px;min-width:27px;font-weight:800}
        .faq-plus{margin-left:auto;width:25px;height:25px;display:grid;place-items:center;color:var(--orange);font-size:22px;font-weight:400;transition:.2s}
        .faq-answer{display:none;padding:0 62px 23px;color:var(--muted);font-size:15px;line-height:1.85}
        .faq-item.open .faq-answer{display:block}
        .faq-item.open .faq-plus{transform:rotate(45deg)}
        .faq-item.hide{display:none}
        .tips-section{background:var(--cream)}
        .tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .tip-card{
            padding:28px 25px;border:1px solid var(--line);border-radius:var(--radius);
            background:var(--paper);transition:.22s
        }
        .tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
        .tip-icon{
            width:42px;height:42px;display:grid;place-items:center;margin-bottom:20px;
            border-radius:12px;background:var(--orange);color:#fff;font-weight:800
        }
        .tip-card h3{margin:0 0 8px;font-size:19px}
        .tip-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
        .contact-cta{
            position:relative;overflow:hidden;padding:46px 52px;border-radius:var(--radius);
            color:var(--white);background:var(--deep);display:flex;justify-content:space-between;
            align-items:center;gap:30px
        }
        .contact-cta:after{
            content:"";position:absolute;width:240px;height:240px;right:80px;top:-150px;
            border:1px solid rgba(196,217,107,.35);border-radius:50%
        }
        .contact-cta > div{position:relative;z-index:1}
        .contact-cta h2{margin:0 0 9px;font-size:30px}
        .contact-cta p{margin:0;color:#c8c4bb;font-size:15px}
        .cta-actions{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap}
        .btn{padding:13px 20px;font-size:14px}
        .btn-primary{color:var(--white);background:var(--orange)}
        .btn-primary:hover{color:#fff;background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(232,93,42,.25)}
        .btn-dark{color:var(--white);background:var(--ink)}
        .btn-dark:hover{color:#fff;background:var(--orange)}
        .btn-light{color:var(--white);border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.07)}
        .btn-light:hover{color:#fff;background:rgba(255,255,255,.15);border-color:#fff}
        .site-footer{padding:65px 0 25px;color:#d9d5cc;background:var(--deep)}
        .footer-top{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:45px;padding-bottom:48px}
        .footer-brand .brand{min-width:0}
        .footer-brand p{max-width:285px;margin:19px 0 0;color:#9e9a91;font-size:13px;line-height:1.8}
        .footer-col{display:grid;align-content:start;gap:9px}
        .footer-col h3{margin:2px 0 9px;color:#fff;font-size:14px}
        .footer-col a{color:#aaa69d;font-size:13px;transition:.2s}
        .footer-col a:hover{color:var(--lime);transform:translateX(2px)}
        .footer-bottom{
            display:flex;justify-content:space-between;gap:20px;padding-top:22px;
            border-top:1px solid rgba(255,255,255,.12);color:#858178;font-size:12px
        }
        @media(max-width:1100px){
            .main-nav a{padding-left:7px;padding-right:7px;font-size:13px}
            .main-nav a:after{left:7px;right:7px}
            .brand{min-width:205px}
            .faq-layout{gap:45px}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 34px),var(--container))}
            .nav-wrap{min-height:70px;gap:12px}
            .brand{min-width:0;flex:1}
            .main-nav{
                display:none;position:absolute;left:17px;right:17px;top:78px;flex-direction:column;
                align-items:stretch;padding:10px;background:var(--cream);border:1px solid var(--line);
                border-radius:12px;box-shadow:var(--shadow)
            }
            .main-nav.open{display:flex}
            .main-nav a{padding:13px 15px;border-bottom:1px solid #eeeae1}
            .main-nav a:last-child{border-bottom:0}
            .main-nav a:after{display:none}
            .nav-cta{display:none}
            .menu-toggle{display:block}
            .page-hero{padding:58px 0 65px}
            .page-hero h1{font-size:40px}
            .page-lead{font-size:16px}
            .section{padding:72px 0}
            .section-head{display:block;margin-bottom:28px}
            .section-head p{margin-top:14px}
            .faq-layout{grid-template-columns:1fr;gap:36px}
            .faq-intro{position:static}
            .topic-list{display:flex;flex-wrap:wrap}
            .topic-list a{flex:1 1 145px}
            .tip-grid{grid-template-columns:1fr}
            .contact-cta{display:block;padding:34px 27px}
            .cta-actions{margin-top:25px}
            .footer-top{grid-template-columns:1fr 1fr;gap:32px}
            .footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}
            .footer-bottom span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            .container{width:min(calc(100% - 28px),var(--container))}
            .brand-text strong{font-size:15px}
            .brand-text small{font-size:10px}
            .page-hero h1{font-size:33px}
            .breadcrumb{font-size:12px}
            .faq-question{padding:18px 16px;font-size:15px}
            .faq-answer{padding:0 20px 20px 58px;font-size:14px}
            .contact-cta h2{font-size:25px}
            .footer-top{grid-template-columns:1fr}
            .footer-brand{grid-column:auto}
        }

/* roulang page: category5 */
:root{
            --ink:#171717;--deep:#242321;--paper:#f7f5ef;--cream:#fffdf8;
            --orange:#e85d2a;--orange-dark:#bd421d;--lime:#c4d96b;--teal:#6bb6a7;
            --muted:#77746e;--line:#dedbd2;--white:#fff;
            --soft-orange:#fff0e9;--shadow:0 18px 50px rgba(27,24,19,.10);
            --shadow-small:0 10px 28px rgba(27,24,19,.08);--radius:16px;--container:1200px
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.95);border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--orange);border-radius:11px;font-size:18px;font-weight:800}
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:#5f5c56;font-size:14px;font-weight:600;transition:color .2s ease}
        .main-nav a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:9px;font-weight:700;transition:.2s ease}
        .nav-cta{padding:11px 17px;color:var(--white);background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--cream);font-size:20px}
        .page-hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden}
        .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,#171717 18%,rgba(36,35,33,.86) 58%,rgba(232,93,42,.28)),radial-gradient(circle at 85% 25%,rgba(196,217,107,.2),transparent 28%)}
        .page-hero:after{content:"";position:absolute;width:430px;height:430px;right:-120px;bottom:-250px;border:1px solid rgba(196,217,107,.35);border-radius:50%;box-shadow:0 0 0 34px rgba(196,217,107,.05),0 0 0 68px rgba(196,217,107,.03)}
        .hero-inner{position:relative;z-index:1;padding:82px 0 88px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .hero-inner h1{max-width:760px;margin:20px 0 17px;font-size:clamp(36px,5vw,62px);line-height:1.15}
        .hero-inner p{max-width:700px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
        .hero-meta span{padding:7px 13px;border:1px solid rgba(255,255,255,.22);border-radius:30px;color:#eee9df;font-size:13px}
        .section{padding:88px 0}
        .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}
        .section-head h2{margin:10px 0 0;font-size:clamp(28px,4vw,42px);line-height:1.25}
        .section-head p{max-width:490px;margin:0;color:var(--muted)}
        .notice-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch}
        .featured-notice,.notice-side,.timeline,.info-card,.faq-item,.cta-panel{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
        .featured-notice{padding:34px;position:relative;overflow:hidden}
        .featured-notice:after{content:"公告";position:absolute;right:22px;top:18px;color:rgba(232,93,42,.13);font-size:62px;font-weight:900;line-height:1}
        .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:6px;background:var(--soft-orange);color:var(--orange-dark);font-size:12px;font-weight:800}
        .featured-notice h3{max-width:610px;margin:23px 0 13px;font-size:28px;line-height:1.35}
        .featured-notice p{max-width:650px;color:var(--muted);margin:0 0 24px}
        .notice-date{color:var(--muted);font-size:13px}
        .btn{padding:13px 20px;font-size:14px}
        .btn-primary{color:var(--white);background:var(--orange)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(232,93,42,.25)}
        .btn-dark{color:var(--white);background:var(--ink)}
        .btn-dark:hover{background:var(--orange);transform:translateY(-2px)}
        .notice-side{padding:27px}
        .notice-side h3{font-size:20px;margin:0 0 18px}
        .notice-list{list-style:none;padding:0;margin:0}
        .notice-list li{padding:16px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px}
        .notice-list li:first-child{border-top:0;padding-top:0}
        .notice-list a{font-weight:700;font-size:15px;line-height:1.5}
        .notice-list a:hover{color:var(--orange)}
        .notice-list time{color:var(--muted);font-size:12px;white-space:nowrap}
        .status-section{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .info-card{padding:25px;box-shadow:none}
        .info-card .number{color:var(--orange);font-size:32px;font-weight:800;line-height:1}
        .info-card h3{margin:18px 0 7px;font-size:19px}
        .info-card p{margin:0;color:var(--muted);font-size:14px}
        .timeline{padding:34px}
        .timeline-item{display:grid;grid-template-columns:110px 1fr;gap:25px;padding:22px 0;border-top:1px solid var(--line)}
        .timeline-item:first-child{padding-top:0;border-top:0}
        .timeline-item time{color:var(--orange-dark);font-size:13px;font-weight:800}
        .timeline-item h3{margin:0 0 5px;font-size:19px}
        .timeline-item p{margin:0;color:var(--muted);font-size:14px}
        .tips{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
        .tip{padding:24px;background:var(--deep);color:var(--white);border-radius:14px}
        .tip:nth-child(2){background:#626a48}
        .tip h3{margin:0 0 8px;font-size:19px}
        .tip p{margin:0;color:#dedbd2;font-size:14px}
        .faq-wrap{max-width:880px;margin:auto}
        .faq-item{margin-bottom:12px;overflow:hidden;box-shadow:none}
        .faq-item summary{list-style:none;padding:20px 24px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:20px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";color:var(--orange);font-size:22px;line-height:1}
        .faq-item[open] summary{color:var(--orange-dark);border-bottom:1px solid var(--line)}
        .faq-item[open] summary:after{content:"－"}
        .faq-answer{padding:17px 24px 22px;color:var(--muted);font-size:15px}
        .cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:38px 42px;background:var(--orange);color:var(--white);border:0}
        .cta-panel h2{margin:0 0 8px;font-size:30px}
        .cta-panel p{margin:0;color:#ffe5d9}
        .cta-panel .btn{background:var(--white);color:var(--orange-dark);white-space:nowrap}
        .cta-panel .btn:hover{background:var(--ink);color:var(--white)}
        .site-footer{padding:62px 0 24px;background:var(--deep);color:var(--white)}
        .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-bottom:48px}
        .footer-brand .brand{min-width:0;margin-bottom:18px}
        .footer-brand p{max-width:300px;margin:0;color:#aaa69d;font-size:14px}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h3{margin:0 0 10px;color:var(--lime);font-size:14px}
        .footer-col a{color:#c8c4ba;font-size:14px;transition:.2s}
        .footer-col a:hover{color:var(--white);transform:translateX(3px)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);color:#938f86;font-size:12px}
        a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:1100px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:205px}.nav-wrap{gap:14px}}
        @media(max-width:800px){.container{width:min(calc(100% - 34px),var(--container))}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:78px;left:0;right:0;padding:12px 17px 18px;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 10px}.main-nav a:after{left:10px;right:auto;width:28px;bottom:5px}.nav-cta{display:none}.hero-inner{padding:64px 0 70px}.notice-layout,.status-grid{grid-template-columns:1fr}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:14px}.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.cta-panel{display:block;padding:30px}.cta-panel .btn{margin-top:22px}}
        @media(max-width:520px){.brand{min-width:0}.brand-text small{font-size:10px}.brand-text strong{font-size:15px}.hero-inner h1{font-size:37px}.hero-inner p{font-size:16px}.featured-notice,.notice-side,.timeline{padding:23px}.featured-notice h3{font-size:23px}.timeline-item{grid-template-columns:1fr;gap:4px}.tips{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.faq-item summary{padding:17px}.faq-answer{padding:14px 17px 18px}}

/* roulang page: category4 */
:root{
            --ink:#171717;
            --deep:#242321;
            --paper:#f7f5ef;
            --cream:#fffdf8;
            --orange:#e85d2a;
            --orange-dark:#bd421d;
            --lime:#c4d96b;
            --teal:#6bb6a7;
            --muted:#77746e;
            --line:#dedbd2;
            --white:#fff;
            --soft-orange:#fff0e9;
            --soft-teal:#eaf5f1;
            --shadow:0 18px 50px rgba(27,24,19,.10);
            --shadow-small:0 10px 28px rgba(27,24,19,.08);
            --radius:16px;
            --container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;color:var(--ink);background:var(--paper);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            line-height:1.7;-webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{
            position:sticky;top:0;z-index:20;background:rgba(247,245,239,.94);
            border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)
        }
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:220px}
        .brand-mark{
            width:38px;height:38px;display:grid;place-items:center;color:var(--white);
            background:var(--orange);border-radius:11px;font-size:18px;font-weight:800
        }
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{
            position:relative;padding:10px 12px;color:#5f5c56;font-size:14px;
            font-weight:600;transition:color .2s ease
        }
        .main-nav a:after{
            content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
            background:var(--orange);transform:scaleX(0);transition:transform .2s ease
        }
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            border:0;border-radius:9px;font-weight:700;transition:.2s ease
        }
        .nav-cta{padding:11px 17px;color:var(--white);background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{
            display:none;width:44px;height:44px;border:1px solid var(--line);
            border-radius:9px;background:var(--cream);color:var(--ink);font-size:22px
        }
        .page-hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden}
        .page-hero:before{
            content:"";position:absolute;inset:0;
            background:linear-gradient(115deg,rgba(20,20,18,.9),rgba(36,35,33,.72)),
            repeating-linear-gradient(125deg,transparent 0 42px,rgba(196,217,107,.08) 43px 44px)
        }
        .page-hero:after{
            content:"";position:absolute;width:430px;height:430px;right:-120px;top:-180px;
            border:1px solid rgba(196,217,107,.35);border-radius:50%;
            box-shadow:0 0 0 34px rgba(196,217,107,.06),0 0 0 70px rgba(196,217,107,.035)
        }
        .hero-inner{position:relative;z-index:1;padding:76px 0 82px}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:9px;color:var(--lime);
            font-size:12px;font-weight:800;letter-spacing:1.4px
        }
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .breadcrumb{display:flex;gap:10px;align-items:center;color:#aaa69b;font-size:13px;margin-bottom:26px}
        .breadcrumb a:hover{color:var(--lime)}
        .page-hero h1{max-width:760px;margin:18px 0 18px;font-size:clamp(38px,5vw,62px);line-height:1.16}
        .hero-lead{max-width:700px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
        .hero-points span{
            padding:8px 13px;border:1px solid rgba(255,255,255,.2);border-radius:999px;
            color:#eee9de;font-size:13px;background:rgba(255,255,255,.05)
        }
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
        .section-head h2{margin:12px 0 0;font-size:clamp(28px,3.5vw,42px);line-height:1.25}
        .section-head p{max-width:490px;margin:0;color:var(--muted)}
        .guide-layout{display:grid;grid-template-columns:280px 1fr;gap:52px;align-items:start}
        .guide-index{
            position:sticky;top:105px;padding:24px;background:var(--cream);
            border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)
        }
        .guide-index strong{display:block;font-size:16px;margin-bottom:14px}
        .guide-index a{
            display:flex;align-items:center;gap:10px;padding:10px 0;color:var(--muted);
            font-size:14px;border-bottom:1px solid var(--line);transition:.2s
        }
        .guide-index a:last-child{border-bottom:0}
        .guide-index a:hover{color:var(--orange);padding-left:4px}
        .guide-index i{
            width:24px;height:24px;display:grid;place-items:center;background:var(--soft-orange);
            color:var(--orange);border-radius:7px;font-size:12px;font-style:normal;font-weight:800
        }
        .guide-content{display:grid;gap:18px}
        .guide-step{
            display:grid;grid-template-columns:72px 1fr;gap:22px;padding:27px 30px;
            background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);
            transition:.25s ease
        }
        .guide-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-small);border-color:#c8c3b6}
        .step-number{
            width:54px;height:54px;display:grid;place-items:center;border-radius:14px;
            color:var(--white);background:var(--orange);font-size:20px;font-weight:800
        }
        .guide-step h3{margin:0 0 7px;font-size:20px}
        .guide-step p{margin:0;color:var(--muted);font-size:15px}
        .guide-step ul{margin:12px 0 0;padding-left:20px;color:var(--muted);font-size:14px}
        .feature-band{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .feature-card{padding:30px;background:var(--paper);border-radius:var(--radius);border:1px solid var(--line)}
        .feature-card .icon{
            width:42px;height:42px;display:grid;place-items:center;background:var(--ink);
            color:var(--lime);border-radius:12px;font-weight:800;margin-bottom:20px
        }
        .feature-card h3{margin:0 0 9px;font-size:19px}
        .feature-card p{margin:0;color:var(--muted);font-size:15px}
        .tips-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:22px}
        .tip-panel{padding:34px;background:var(--deep);color:var(--white);border-radius:var(--radius)}
        .tip-panel h2{margin:10px 0 17px;font-size:30px;line-height:1.3}
        .tip-panel p{color:#d4d0c7;margin:0 0 22px}
        .tip-list{display:grid;gap:12px}
        .tip-list div{display:flex;gap:12px;align-items:flex-start;color:#eee9de;font-size:14px}
        .tip-list b{color:var(--lime);font-size:16px}
        .device-panel{padding:34px;background:var(--soft-teal);border-radius:var(--radius);border:1px solid #cfe5de}
        .device-panel h3{margin:0 0 12px;font-size:22px}
        .device-panel p{color:#5d756e;font-size:15px;margin:0 0 22px}
        .device-tags{display:flex;gap:9px;flex-wrap:wrap}
        .device-tags span{padding:8px 12px;background:var(--white);border-radius:8px;color:#46665e;font-size:13px}
        .faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
        .faq-item{background:var(--cream);border:1px solid var(--line);border-radius:12px;overflow:hidden}
        .faq-item summary{padding:20px 24px;cursor:pointer;font-weight:700;list-style:none;position:relative;padding-right:55px}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"+";position:absolute;right:23px;color:var(--orange);font-size:23px;font-weight:400;top:15px}
        .faq-item[open] summary:after{content:"−"}
        .faq-item summary:hover{color:var(--orange)}
        .faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15px}
        .cta{padding:68px 0;background:var(--orange);color:var(--white)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{margin:0 0 8px;font-size:clamp(27px,3.5vw,40px);line-height:1.3}
        .cta p{margin:0;color:#ffe5da}
        .cta .btn{background:var(--white);color:var(--orange-dark)}
        .cta .btn:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
        .site-footer{padding:58px 0 24px;background:var(--deep);color:var(--white)}
        .footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
        .footer-brand p{max-width:285px;margin:18px 0 0;color:#aaa69b;font-size:14px}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h3{margin:0 0 9px;color:var(--lime);font-size:14px}
        .footer-col a{color:#c9c5bb;font-size:14px;transition:.2s}
        .footer-col a:hover{color:var(--white);padding-left:3px}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:21px;border-top:1px solid rgba(255,255,255,.13);color:#928e85;font-size:12px}
        :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
        @media(max-width:1100px){
            .main-nav a{padding-left:8px;padding-right:8px;font-size:13px}
            .brand{min-width:190px}.nav-wrap{gap:15px}
        }
        @media(max-width:900px){
            .main-nav{display:none;position:absolute;left:24px;right:24px;top:72px;padding:12px;background:var(--cream);
                border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:13px 15px}.main-nav a:after{left:15px;right:auto;width:24px}
            .menu-toggle{display:block;margin-left:auto}.nav-cta{display:none}
            .guide-layout{grid-template-columns:1fr}.guide-index{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:16px}
            .guide-index strong{width:100%;margin-bottom:3px}.guide-index a{border:1px solid var(--line);padding:8px 11px;border-radius:8px}
            .guide-index a:hover{padding-left:11px}.feature-grid{grid-template-columns:1fr 1fr}
            .footer-top{grid-template-columns:1.5fr 1fr 1fr}
        }
        @media(max-width:768px){
            .container{width:min(calc(100% - 32px),var(--container))}
            .hero-inner{padding:58px 0 64px}.section{padding:64px 0}
            .section-head{display:block;margin-bottom:26px}.section-head p{margin-top:14px}
            .guide-step{grid-template-columns:54px 1fr;padding:22px;gap:16px}.guide-step h3{font-size:18px}
            .tips-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn{margin-top:24px}
            .footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
            .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
        }
        @media(max-width:520px){
            .brand{min-width:0}.brand-text small{font-size:10px}.hero-points span{font-size:12px}
            .feature-grid{grid-template-columns:1fr}.guide-index a{flex:1 1 45%}
            .footer-top{grid-template-columns:1fr}.footer-brand{grid-column:auto}
            .page-hero h1{font-size:36px}.hero-lead{font-size:16px}
        }

/* roulang page: category6 */
:root{
            --ink:#171717;--deep:#242321;--paper:#f7f5ef;--cream:#fffdf8;
            --orange:#e85d2a;--orange-dark:#bd421d;--lime:#c4d96b;--teal:#6bb6a7;
            --muted:#77746e;--line:#dedbd2;--white:#fff;
            --soft-orange:#fff0e9;--shadow:0 18px 50px rgba(27,24,19,.10);
            --shadow-small:0 10px 28px rgba(27,24,19,.08);--radius:16px;--container:1200px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:inherit;text-decoration:none}
        img{display:block;max-width:100%}
        button,input{font:inherit}
        button{cursor:pointer}
        .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(247,245,239,.94);border-bottom:1px solid rgba(222,219,210,.85);backdrop-filter:blur(14px)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:inline-flex;align-items:center;gap:11px;min-width:230px}
        .brand-mark{width:38px;height:38px;display:grid;place-items:center;color:var(--white);background:var(--orange);border-radius:11px;font-size:18px;font-weight:800}
        .brand-text{display:grid;line-height:1.25}
        .brand-text strong{font-size:16px;font-weight:800}
        .brand-text small{color:var(--muted);font-size:11px;margin-top:3px}
        .main-nav{display:flex;align-items:center;gap:3px;flex:1}
        .main-nav a{position:relative;padding:10px 11px;color:#5f5c56;font-size:14px;font-weight:600;transition:color .2s ease}
        .main-nav a:after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--orange);transform:scaleX(0);transition:transform .2s ease}
        .main-nav a:hover,.main-nav a.active{color:var(--ink)}
        .main-nav a:hover:after,.main-nav a.active:after{transform:scaleX(1)}
        .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:9px;font-weight:700;transition:.2s ease}
        .nav-cta{padding:11px 17px;color:var(--white);background:var(--ink);font-size:13px;white-space:nowrap}
        .nav-cta:hover{background:var(--orange);transform:translateY(-2px)}
        .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:9px;background:var(--cream);font-size:20px}
        :focus-visible{outline:3px solid rgba(232,93,42,.48);outline-offset:3px}
        .page-hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden}
        .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(17,17,17,.95),rgba(36,35,33,.76)),url("https://images.unsplash.com/photo-1542751371-adc38448a05e?auto=format&fit=crop&w=1800&q=80") center/cover;opacity:.86}
        .page-hero:after{content:"";position:absolute;width:460px;height:460px;right:-120px;top:-190px;border:1px solid rgba(196,217,107,.35);border-radius:50%;box-shadow:0 0 0 34px rgba(196,217,107,.06),0 0 0 68px rgba(196,217,107,.035)}
        .hero-inner{position:relative;z-index:1;padding:88px 0 92px}
        .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--lime);font-size:12px;font-weight:800;letter-spacing:1.4px}
        .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
        .page-hero h1{max-width:760px;margin:20px 0 16px;font-size:clamp(36px,5vw,60px);line-height:1.16}
        .hero-lead{max-width:680px;margin:0;color:#d8d5cc;font-size:18px;line-height:1.9}
        .breadcrumb{display:flex;gap:10px;align-items:center;margin-bottom:24px;color:#bdb9ae;font-size:13px}
        .breadcrumb a:hover{color:var(--lime)}
        .btn{padding:13px 20px;font-size:14px}
        .btn-primary{color:var(--white);background:var(--orange)}
        .btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(232,93,42,.25)}
        .btn-light{color:var(--white);border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.07)}
        .btn-light:hover{background:rgba(255,255,255,.15)}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
        .section{padding:92px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
        .section-head h2{margin:12px 0 0;font-size:clamp(28px,3.5vw,43px);line-height:1.25}
        .section-head p{max-width:500px;margin:0;color:var(--muted)}
        .intro-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:32px;align-items:stretch}
        .intro-panel{padding:32px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
        .intro-panel h3{margin:0 0 13px;font-size:23px}
        .intro-panel p{margin:0;color:var(--muted)}
        .topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
        .topic-item{display:flex;gap:15px;padding:22px;background:var(--white);border:1px solid var(--line);border-radius:14px;transition:.2s ease}
        .topic-item:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:var(--shadow-small)}
        .topic-number{width:34px;height:34px;flex:none;display:grid;place-items:center;background:var(--soft-orange);color:var(--orange-dark);border-radius:10px;font-weight:800}
        .topic-item h3{margin:0 0 4px;font-size:17px}
        .topic-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
        .faq-section{background:var(--cream);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
        .faq-layout{display:grid;grid-template-columns:.8fr 1.5fr;gap:58px;align-items:start}
        .faq-aside{position:sticky;top:110px}
        .faq-aside h2{margin:14px 0 15px;font-size:38px;line-height:1.25}
        .faq-aside p{color:var(--muted);margin:0 0 25px}
        .faq-note{padding:18px 20px;border-left:3px solid var(--teal);background:#eef7f3;color:#4e6f67;font-size:14px}
        .faq-list{border-top:1px solid var(--line)}
        .faq-item{border-bottom:1px solid var(--line)}
        .faq-item summary{list-style:none;display:flex;justify-content:space-between;gap:20px;padding:23px 4px;font-size:17px;font-weight:700;cursor:pointer}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";color:var(--orange);font-size:23px;font-weight:400;line-height:1}
        .faq-item[open] summary:after{content:"−"}
        .faq-answer{padding:0 42px 23px 4px;color:var(--muted);font-size:15px;line-height:1.85}
        .faq-answer p{margin:0}
        .quick-section{background:var(--paper)}
        .quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .quick-card{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:.2s ease}
        .quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-small);border-color:var(--orange)}
        .quick-card .icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:17px;background:var(--deep);color:var(--lime);border-radius:12px;font-weight:800}
        .quick-card h3{margin:0 0 7px;font-size:19px}
        .quick-card p{margin:0 0 15px;color:var(--muted);font-size:14px}
        .text-link{color:var(--orange-dark);font-size:14px;font-weight:800}
        .text-link:hover{color:var(--ink)}
        .cta{padding:60px 0;background:var(--orange);color:var(--white)}
        .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta h2{margin:0 0 9px;font-size:34px;line-height:1.3}
        .cta p{margin:0;color:#ffe4d8}
        .cta .btn{background:var(--ink);color:var(--white)}
        .cta .btn:hover{background:var(--deep);transform:translateY(-2px)}
        .site-footer{padding:64px 0 22px;background:var(--deep);color:#e9e5dc}
        .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
        .footer-brand p{max-width:300px;margin:18px 0 0;color:#a8a49b;font-size:14px}
        .footer-col{display:grid;align-content:start;gap:9px}
        .footer-col h3{margin:0 0 9px;color:var(--lime);font-size:14px}
        .footer-col a{color:#bdb9ae;font-size:14px}
        .footer-col a:hover{color:var(--white)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#99958c;font-size:12px}
        @media(max-width:1100px){.main-nav a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:205px}.main-nav a:after{left:7px;right:7px}}
        @media(max-width:850px){.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:78px;left:0;right:0;padding:12px 24px 18px;flex-direction:column;align-items:stretch;background:var(--cream);border-bottom:1px solid var(--line);box-shadow:var(--shadow-small)}.main-nav.open{display:flex}.main-nav a{padding:12px 4px}.main-nav a:after{left:0;right:auto;width:28px;bottom:5px}.nav-cta{display:none}.intro-grid,.faq-layout{grid-template-columns:1fr}.faq-aside{position:static}.quick-grid{grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
        @media(max-width:560px){.container{width:min(calc(100% - 32px),var(--container))}.nav-wrap{min-height:70px}.brand{min-width:0}.brand-mark{width:35px;height:35px}.hero-inner{padding:62px 0 70px}.page-hero h1{font-size:37px}.hero-lead{font-size:16px}.section{padding:66px 0}.section-head{display:block}.section-head p{margin-top:14px}.topic-list,.quick-grid{grid-template-columns:1fr}.intro-panel{padding:25px}.faq-aside h2{font-size:31px}.faq-item summary{font-size:16px;padding:20px 0}.faq-answer{padding-right:0}.cta-inner{display:block}.cta h2{font-size:28px}.cta .btn{margin-top:22px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

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