/* roulang page: index */
:root{
            --ink:#eaf1f7;
            --muted:#91a5b5;
            --soft:#b9c8d3;
            --bg:#081117;
            --panel:#0e1b24;
            --panel-2:#12232d;
            --line:rgba(169,202,219,.14);
            --cyan:#54d4c8;
            --blue:#6ca6ff;
            --gold:#f4c873;
            --danger:#ff8e98;
            --radius:22px;
            --shadow:0 22px 70px rgba(0,0,0,.28);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--bg);
            color:var(--ink);
            font-family:"Noto Sans SC",system-ui,sans-serif;
            line-height:1.75;
            font-size:15px;
        }
        body:before{
            content:"";
            position:fixed;
            inset:0;
            pointer-events:none;
            background:linear-gradient(115deg,rgba(67,169,172,.06),transparent 34%,rgba(69,107,210,.05));
            z-index:-1;
        }
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;width:100%;max-width:100%}
        button,input{font:inherit}
        button:focus,a:focus,input:focus{outline:3px solid rgba(84,212,200,.35);outline-offset:3px}
        .container{max-width:1200px;margin:0 auto;padding:0 24px}
        .site-header{
            position:sticky;top:0;z-index:50;
            background:rgba(8,17,23,.86);
            backdrop-filter:blur(18px);
            border-bottom:1px solid var(--line);
        }
        .nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:12px;min-width:220px}
        .brand-mark{
            width:38px;height:38px;border-radius:12px;
            display:grid;place-items:center;
            color:#092128;font-weight:800;
            background:linear-gradient(145deg,var(--cyan),#8eead7);
            box-shadow:0 8px 24px rgba(84,212,200,.2);
        }
        .brand-name{font-weight:800;letter-spacing:.02em;font-size:16px}
        .brand small{display:block;color:var(--muted);font-size:10px;line-height:1.2;margin-top:2px}
        .main-nav{display:flex;align-items:center;gap:7px}
        .main-nav a{padding:9px 14px;color:var(--soft);border-radius:10px;font-size:14px}
        .main-nav a:hover,.main-nav a.active{color:var(--ink);background:rgba(84,212,200,.1)}
        .nav-badge{border:1px solid rgba(244,200,115,.35);color:var(--gold)!important}
        .hero{
            min-height:590px;
            position:relative;
            overflow:hidden;
            display:flex;align-items:center;
            background:
                linear-gradient(90deg,rgba(5,12,17,.98) 8%,rgba(5,12,17,.83) 43%,rgba(5,12,17,.38) 75%,rgba(5,12,17,.85)),
                url("https://images.unsplash.com/photo-1578632767115-351597cf2477?auto=format&fit=crop&w=1900&q=88") center/cover;
        }
        .hero:after{content:"";position:absolute;inset:auto 0 0;height:120px;background:linear-gradient(transparent,var(--bg))}
        .hero-content{position:relative;z-index:2;max-width:690px;padding:92px 0 100px}
        .eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:700}
        h1,h2,h3,p{margin-top:0}
        h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.05em;margin:18px 0 22px;font-weight:800}
        h1 em{font-style:normal;color:var(--cyan)}
        .hero-lead{color:#cbd8e1;max-width:650px;font-size:17px;line-height:1.95;margin-bottom:30px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .button{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:12px;padding:13px 20px;
            font-weight:700;font-size:14px;border:1px solid transparent;
            transition:var(--ease);cursor:pointer
        }
        .button.primary{background:var(--cyan);color:#072027;box-shadow:0 10px 30px rgba(84,212,200,.2)}
        .button.primary:hover{background:#8deade;transform:translateY(-2px)}
        .button.ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--ink)}
        .button.ghost:hover{border-color:var(--cyan);background:rgba(84,212,200,.08)}
        .section{padding:86px 0;border-bottom:1px solid var(--line)}
        .section.alt{background:rgba(255,255,255,.018)}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
        .section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0}
        .section-head p{max-width:570px;color:var(--muted);margin:0}
        .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
        .metric{padding:24px;border:1px solid var(--line);background:rgba(17,35,45,.72);border-radius:18px}
        .metric strong{display:block;color:var(--cyan);font-size:31px;line-height:1.1;margin-bottom:7px}
        .metric span{color:var(--muted);font-size:13px}
        .tier-grid,.compare-grid,.hot-grid,.category-grid,.review-grid{display:grid;gap:16px}
        .tier-grid{grid-template-columns:repeat(3,1fr)}
        .tier{padding:27px;border-radius:20px;background:var(--panel);border:1px solid var(--line);position:relative;overflow:hidden}
        .tier.featured{border-color:rgba(84,212,200,.55);background:linear-gradient(145deg,rgba(84,212,200,.12),var(--panel) 65%)}
        .tier-tag{position:absolute;right:18px;top:18px;color:var(--gold);font-size:11px;border:1px solid rgba(244,200,115,.3);padding:4px 8px;border-radius:20px}
        .tier h3{font-size:22px;margin:0 0 8px}.tier p{color:var(--muted);font-size:14px;min-height:55px}
        .tier ul{list-style:none;padding:0;margin:20px 0 0;color:var(--soft);font-size:13px}
        .tier li{padding:8px 0;border-top:1px solid var(--line)}
        .tier li:before{content:"✓";color:var(--cyan);margin-right:8px}
        .compare-grid{grid-template-columns:1fr 1fr}
        .compare-box{padding:30px;border-radius:20px;border:1px solid var(--line);background:var(--panel)}
        .compare-box.good{background:rgba(84,212,200,.07);border-color:rgba(84,212,200,.3)}
        .compare-box h3{margin:0 0 12px;font-size:21px}.compare-box p{color:var(--muted);margin-bottom:0}
        .limited{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;padding:30px;border:1px solid rgba(244,200,115,.25);background:linear-gradient(120deg,rgba(244,200,115,.09),rgba(14,27,36,.9));border-radius:24px}
        .limited h2{font-size:34px;line-height:1.3;margin:10px 0}.limited p{color:var(--soft);max-width:650px}
        .count-box{display:flex;gap:10px;justify-content:flex-end}.count{min-width:70px;text-align:center;padding:13px 8px;border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.18)}.count b{font-size:25px;color:var(--gold);display:block}.count span{font-size:11px;color:var(--muted)}
        .hot-grid{grid-template-columns:repeat(3,1fr)}
        .content-card{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--panel);transition:var(--ease)}
        .content-card:hover{transform:translateY(-5px);border-color:rgba(84,212,200,.4);box-shadow:var(--shadow)}
        .poster{height:210px;object-fit:cover;filter:saturate(.8)}
        .card-body{padding:17px}.card-body h3{font-size:17px;margin:0 0 7px}.card-body p{font-size:13px;color:var(--muted);margin:0 0 15px}
        .card-meta{display:flex;justify-content:space-between;align-items:center;color:var(--soft);font-size:12px}
        .badge{padding:4px 8px;border-radius:6px;font-size:11px;background:rgba(84,212,200,.12);color:var(--cyan);border:1px solid rgba(84,212,200,.2)}
        .badge.gold{color:var(--gold);background:rgba(244,200,115,.1);border-color:rgba(244,200,115,.2)}
        .category-grid{grid-template-columns:repeat(4,1fr)}
        .category{padding:24px;border-top:2px solid var(--cyan);background:var(--panel);border-radius:0 0 18px 18px;min-height:190px}.category:nth-child(2){border-color:var(--blue)}.category:nth-child(3){border-color:var(--gold)}.category:nth-child(4){border-color:var(--danger)}
        .category h3{font-size:19px;margin:0 0 10px}.category p{font-size:13px;color:var(--muted);margin:0}.category a{display:inline-block;margin-top:18px;color:var(--cyan);font-size:13px}
        .review-grid{grid-template-columns:repeat(3,1fr)}
        .review{padding:24px;background:rgba(18,35,45,.7);border:1px solid var(--line);border-radius:18px}.stars{color:var(--gold);letter-spacing:3px;margin-bottom:13px}.review p{color:var(--soft);font-size:14px}.review strong{font-size:13px;color:var(--ink)}
        .trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.trust{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--panel);display:flex;gap:13px;align-items:flex-start}.trust-icon{width:34px;height:34px;border-radius:10px;background:rgba(84,212,200,.13);color:var(--cyan);display:grid;place-items:center;font-weight:800}.trust h3{font-size:15px;margin:0 0 3px}.trust p{font-size:12px;color:var(--muted);margin:0}
        .news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.news{display:grid;grid-template-columns:105px 1fr;gap:15px;padding:12px;border:1px solid var(--line);background:var(--panel);border-radius:15px}.news img{height:82px;object-fit:cover;border-radius:10px}.news h3{font-size:14px;line-height:1.5;margin:3px 0 8px}.news time{color:var(--muted);font-size:11px}
        .faq-wrap{max-width:850px}.accordion-item{border-bottom:1px solid var(--line)}.accordion-title{display:flex;justify-content:space-between;gap:20px;padding:20px 0;font-weight:700;cursor:pointer}.accordion-title span{color:var(--cyan)}.accordion-content{display:none;color:var(--muted);padding:0 35px 20px 0;font-size:14px}.accordion-item.open .accordion-content{display:block}
        .final-cta{padding:70px 30px;text-align:center;background:linear-gradient(135deg,rgba(84,212,200,.13),rgba(108,166,255,.08));border:1px solid rgba(84,212,200,.22);border-radius:26px}.final-cta h2{font-size:34px;margin-bottom:12px}.final-cta p{color:var(--muted);max-width:650px;margin:0 auto 23px}
        footer{padding:55px 0 25px;background:#060d12}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px}.footer-brand p{color:var(--muted);font-size:13px;max-width:300px}.footer-col h3{font-size:14px;margin:0 0 14px}.footer-col a{display:block;color:var(--muted);font-size:13px;margin:8px 0}.footer-col a:hover{color:var(--cyan)}.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#718491;font-size:12px;display:flex;justify-content:space-between;gap:20px}
        @media(max-width:1024px){.category-grid{grid-template-columns:repeat(2,1fr)}.metric-grid,.trust-bar{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
        @media(max-width:768px){.nav-shell{min-height:68px}.brand{min-width:0}.main-nav a{padding:8px 9px;font-size:12px}.hero{min-height:570px}.hero-content{padding:80px 0}.hero-lead{font-size:15px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:13px}.tier-grid,.hot-grid,.review-grid,.news-list{grid-template-columns:1fr 1fr}.limited{grid-template-columns:1fr}.count-box{justify-content:flex-start}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){.container{padding:0 17px}.brand-name{font-size:13px}.brand small{display:none}.main-nav{gap:1px}.main-nav a{font-size:11px;padding:7px 6px}.nav-badge{display:none}.hero{min-height:620px;background-position:62% center}.hero-content{padding:70px 0}.hero-lead{line-height:1.8}.hero-actions .button{width:100%}h1{font-size:40px}.metric-grid,.tier-grid,.compare-grid,.hot-grid,.category-grid,.review-grid,.trust-bar,.news-list{grid-template-columns:1fr}.metric{padding:18px}.limited h2,.final-cta h2{font-size:27px}.count-box{gap:6px}.count{min-width:62px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.copyright{display:block}.copyright span{display:block;margin-top:7px}}

/* roulang page: category1 */
:root{--ink:#eaf1f7;--muted:#91a5b5;--soft:#b9c8d3;--bg:#081117;--panel:#0e1b24;--panel-2:#12232d;--line:rgba(169,202,219,.14);--cyan:#54d4c8;--blue:#6ca6ff;--gold:#f4c873;--danger:#ff8e98;--radius:22px;--shadow:0 22px 70px rgba(0,0,0,.28);--ease:all .28s ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC",system-ui,sans-serif;line-height:1.75;font-size:15px}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(115deg,rgba(67,169,172,.06),transparent 34%,rgba(69,107,210,.05));z-index:-1}a{color:inherit;text-decoration:none;transition:var(--ease)}img{display:block;width:100%;max-width:100%}button,input{font:inherit}button:focus,a:focus,input:focus{outline:3px solid rgba(84,212,200,.35);outline-offset:3px}.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,17,23,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;min-width:220px}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#092128;font-weight:800;background:linear-gradient(145deg,var(--cyan),#8eead7);box-shadow:0 8px 24px rgba(84,212,200,.2)}.brand-name{font-weight:800;letter-spacing:.02em;font-size:16px}.brand small{display:block;color:var(--muted);font-size:10px;line-height:1.2;margin-top:2px}.main-nav{display:flex;align-items:center;gap:7px}.main-nav a{padding:9px 14px;color:var(--soft);border-radius:10px;font-size:14px}.main-nav a:hover,.main-nav a.active{color:var(--ink);background:rgba(84,212,200,.1)}.nav-badge{border:1px solid rgba(244,200,115,.35);color:var(--gold)!important}
.hero{position:relative;overflow:hidden;min-height:500px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(5,12,17,.98) 8%,rgba(5,12,17,.85) 46%,rgba(5,12,17,.38)),url("https://images.unsplash.com/photo-1578632767115-351597cf2477?auto=format&fit=crop&w=1900&q=88") center/cover}.hero:after{content:"";position:absolute;inset:auto 0 0;height:100px;background:linear-gradient(transparent,var(--bg))}.hero-content{position:relative;z-index:2;max-width:720px;padding:82px 0}.eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;font-weight:700}.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.12;letter-spacing:-.055em;margin:15px 0 18px}.hero h1 em{font-style:normal;color:var(--gold)}.hero-lead{color:#cbd8e1;max-width:670px;font-size:17px;line-height:1.95;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:700;font-size:14px;border:1px solid transparent;transition:var(--ease);cursor:pointer}.button.primary{background:var(--cyan);color:#072027;box-shadow:0 10px 30px rgba(84,212,200,.2)}.button.primary:hover{background:#8deade;transform:translateY(-2px)}.button.ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--ink)}.button.ghost:hover{border-color:var(--cyan);background:rgba(84,212,200,.08)}
.section{padding:78px 0;border-bottom:1px solid var(--line)}.section.alt{background:rgba(255,255,255,.018)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.035em;margin:10px 0 0}.section-head p{max-width:570px;color:var(--muted);margin:0}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric,.panel,.category,.news-item,.assurance{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:23px}.metric strong{display:block;color:var(--cyan);font-size:30px;line-height:1.2}.metric span{display:block;color:var(--muted);font-size:13px;margin-top:8px}.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.category{min-height:185px;position:relative;overflow:hidden}.category:after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-35px;bottom:-50px;background:rgba(84,212,200,.08)}.category h3{margin:0 0 9px;font-size:20px}.category p{color:var(--muted);font-size:14px;margin:0;max-width:410px}.category a{display:inline-block;margin-top:17px;color:var(--cyan);font-size:13px}.category:hover,.panel:hover,.news-item:hover{border-color:rgba(84,212,200,.42);transform:translateY(-3px);box-shadow:var(--shadow)}.category,.panel,.news-item{transition:var(--ease)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:stretch}.panel h3{font-size:21px;margin:0 0 12px}.panel p{color:var(--muted);margin:0 0 16px}.check-list{list-style:none;margin:0;padding:0}.check-list li{border-top:1px solid var(--line);padding:13px 0;color:var(--soft)}.check-list li:before{content:"↗";color:var(--cyan);margin-right:10px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{padding:20px;border-top:2px solid var(--line);position:relative}.step:before{content:"";position:absolute;top:-7px;left:20px;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(84,212,200,.12)}.step b{display:block;color:var(--gold);font-size:13px;margin-bottom:9px}.step h3{font-size:16px;margin:0 0 6px}.step p{color:var(--muted);font-size:13px;margin:0}.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.news-item{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:13px}.news-item img{height:88px;object-fit:cover;border-radius:11px}.news-item h3{font-size:15px;line-height:1.5;margin:2px 0 7px}.news-item time{font-size:12px;color:var(--muted)}.assurance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.assurance strong{display:block;color:var(--cyan);font-size:18px;margin-bottom:8px}.assurance p{color:var(--muted);font-size:13px;margin:0}.faq-wrap{max-width:850px}.accordion-item{border-bottom:1px solid var(--line)}.accordion-title{display:flex;justify-content:space-between;gap:20px;padding:19px 0;font-weight:700;cursor:pointer}.accordion-title span{color:var(--cyan)}.accordion-content{display:none;color:var(--muted);padding:0 35px 20px 0}.accordion-item.open .accordion-content{display:block}.final-cta{padding:65px 30px;text-align:center;background:linear-gradient(135deg,rgba(84,212,200,.13),rgba(108,166,255,.08));border:1px solid rgba(84,212,200,.22);border-radius:26px}.final-cta h2{font-size:34px;margin:0 0 12px}.final-cta p{color:var(--muted);max-width:650px;margin:0 auto 23px}
footer{padding:55px 0 25px;background:#060d12}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:30px}.footer-brand p{color:var(--muted);font-size:13px;max-width:330px;margin-top:20px}.footer-col h3{font-size:14px;margin:5px 0 13px}.footer-col a{display:block;color:var(--muted);font-size:13px;margin:8px 0}.footer-col a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:38px;padding-top:18px;color:#687b88;font-size:12px}
@media(max-width:1024px){.metric-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}}
@media(max-width:768px){.nav-shell{min-height:68px}.brand{min-width:0}.brand-name{font-size:14px}.main-nav{gap:2px}.main-nav a{padding:8px 9px;font-size:13px}.hero{min-height:530px}.hero-content{padding:70px 0}.split,.matrix{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr);gap:20px}.news-list,.assurance-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.container{padding:0 17px}.brand small{display:none}.main-nav a{padding:7px 6px;font-size:12px}.nav-badge{display:none}.hero h1{font-size:42px}.hero-lead{font-size:15px}.section{padding:58px 0}.metric-grid{grid-template-columns:1fr 1fr;gap:10px}.metric{padding:17px}.metric strong{font-size:24px}.section-head{display:block}.section-head p{margin-top:12px}.timeline{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:5px 0}}