/* roulang page: index */
:root{
      --ink:#17121f;--ink-2:#21152b;--panel:#2b2037;--panel-2:#34253f;
      --cream:#fff8f2;--muted:#c7b9ca;--muted-2:#a998ae;--line:#4b3854;
      --berry:#d44983;--coral:#f17b78;--gold:#f2bd73;--radius:26px;
      --grad:linear-gradient(120deg,#74336e 0%,#d44983 57%,#f18b78 100%);
      --shadow:0 22px 55px rgba(8,4,14,.28)
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    .container{max-width:1220px}
    .topline{height:40px;background:#120e19;border-bottom:1px solid #2d2135;color:var(--muted-2);font-size:12px}
    .topline .inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .toplink{color:var(--gold);white-space:nowrap}.status-dot{display:inline-block;width:7px;height:7px;background:#e7ae69;border-radius:50%;margin-right:7px}
    .navbar{background:rgba(23,18,31,.98);border-bottom:1px solid #392a43;padding:16px 0;position:sticky;top:0;z-index:20}
    .navbar-brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.5px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:var(--grad);display:grid;place-items:center;box-shadow:0 8px 24px rgba(212,73,131,.25);font-size:19px}
    .brand-name{font-size:17px}.nav-link{color:var(--muted)!important;font-size:14px;margin:0 5px;padding:9px 13px!important;border-radius:10px}
    .nav-link:hover,.nav-link.active{color:var(--cream)!important;background:#33243e}
    .navbar-toggler{border:1px solid var(--line);border-radius:11px;padding:8px 11px;color:var(--cream)}
    .btn-brand,.btn-soft,.btn-lightbrand{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 20px;font-size:14px;font-weight:700;min-height:46px;transition:.22s ease}
    .btn-brand{background:var(--grad);color:#fff;border:0;box-shadow:0 12px 25px rgba(212,73,131,.25)}
    .btn-soft{border:1px solid #77506f;color:var(--cream);background:#2a1e34}.btn-lightbrand{background:#fff4ed;color:#43233d;border:0}
    .btn-brand:hover,.btn-soft:hover,.btn-lightbrand:hover{transform:translateY(-2px);filter:brightness(1.08);color:inherit}.btn-brand:active,.btn-soft:active{transform:none}
    :focus-visible{outline:3px solid #f1a1a2;outline-offset:3px}
    .hero{padding:82px 0 74px;position:relative;background:radial-gradient(circle at 78% 20%,rgba(190,63,117,.18),transparent 31%),var(--ink)}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 85%);pointer-events:none}
    .hero-copy,.hero-stage{position:relative;z-index:1}.eyebrow{color:var(--gold);font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:16px}
    h1{font-size:clamp(36px,5vw,61px);line-height:1.18;letter-spacing:-2px;margin:0 0 22px;font-weight:800;max-width:690px}
    .hero-lead{font-size:17px;color:var(--muted);max-width:650px;line-height:1.9;margin-bottom:29px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}.age-note{font-size:12px;color:var(--muted-2);margin-top:18px}
    .stage{background:var(--panel);border:1px solid #503853;border-radius:32px;padding:23px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .poster{height:205px;border-radius:22px;background:linear-gradient(135deg,#44244b,#9b3d6e 53%,#f08779);position:relative;overflow:hidden;margin-bottom:18px}
    .poster:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.28);border-radius:50%;right:-35px;top:-35px;box-shadow:0 0 0 22px rgba(255,255,255,.06),0 0 0 45px rgba(255,255,255,.04)}
    .poster-label{position:absolute;left:18px;bottom:16px;font-size:13px;color:#fff;background:rgba(26,13,29,.48);padding:6px 10px;border-radius:9px}
    .stage-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.stage-title{font-weight:700}.metric-badge,.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;font-size:11px;white-space:nowrap}
    .metric-badge{background:rgba(242,189,115,.13);color:var(--gold)}.tag{background:#422d49;color:#e6cddd}.tag.hot{background:#713451;color:#ffd2c3}
    .index-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
    .index-row strong{color:var(--cream);font-weight:600}.green{color:#d5d88b!important}
    .section{padding:96px 0}.section-head{max-width:700px;margin-bottom:38px}.section-kicker{color:var(--coral);font-size:13px;font-weight:700;letter-spacing:.8px}.section h2{font-size:clamp(28px,3.5vw,40px);line-height:1.25;letter-spacing:-1px;margin:8px 0 13px}.section-intro{color:var(--muted);margin:0;max-width:680px}
    .rail{display:grid;grid-template-columns:1.08fr 1.35fr .92fr;gap:16px}.rail-card{background:var(--panel);border-radius:22px;padding:26px;min-height:205px;border-top:3px solid var(--berry);position:relative;overflow:hidden}.rail-card:nth-child(2){margin-top:22px;border-top-color:var(--coral)}.rail-card:nth-child(3){margin-top:44px;border-top-color:var(--gold)}
    .step{font-size:12px;color:var(--gold);font-weight:800;letter-spacing:1px}.rail-card h3{font-size:21px;margin:22px 0 9px}.rail-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 16px}.rail-icon{position:absolute;right:22px;top:23px;font-size:25px;color:#c7598a}
    .collection-wrap{background:#21162b;border-radius:32px;padding:34px}.collection-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}.collection-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}.collection-card{background:var(--panel);border-radius:22px;padding:25px;min-height:190px;position:relative}.collection-card.feature{background:var(--grad);min-height:260px}.collection-card h3{font-size:20px;margin:13px 0 8px}.collection-card p{font-size:13px;color:var(--muted);margin:0 0 20px}.feature p{color:#ffe7e3}.mini-line{display:flex;justify-content:space-between;color:var(--muted-2);font-size:12px;border-top:1px solid rgba(255,255,255,.14);padding-top:13px}
    .scene{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px;align-items:stretch}.steps{display:flex;flex-direction:column;gap:12px}.scene-step{padding:19px 20px;border:1px solid var(--line);border-radius:17px;background:#24192e}.scene-step.active{background:#3b2743;border-color:#b34d7e}.scene-step b{display:block;margin-bottom:4px}.scene-step span{font-size:13px;color:var(--muted)}.board{background:var(--panel-2);border-radius:28px;padding:28px;box-shadow:var(--shadow)}.board-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.board-cover{height:145px;border-radius:18px;background:linear-gradient(115deg,#33203d,#c04b78 50%,#e99b76);margin-bottom:22px}.board-info{display:flex;justify-content:space-between;gap:14px;align-items:end}.board-info h3{font-size:22px;margin:8px 0}.board-info p{color:var(--muted);font-size:13px;margin:0}.progress{height:5px;background:#49364e;margin-top:20px}.progress-bar{background:var(--grad)}
    .feedback{background:#2b1d35;border-radius:32px;padding:35px}.quote-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:14px}.quote{background:#35243f;border-radius:19px;padding:22px;color:var(--muted);font-size:14px}.quote strong{display:block;color:var(--cream);margin-top:17px;font-size:12px}.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{background:#422746;border-radius:18px;padding:20px}.stat strong{display:block;font-size:29px;color:var(--gold);line-height:1.2}.stat span{font-size:12px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}.news-list,.quick-box{background:var(--panel);border-radius:26px;padding:10px 26px}.news-item{display:flex;justify-content:space-between;gap:20px;padding:19px 0;border-bottom:1px solid var(--line);font-size:14px}.news-item:last-child{border:0}.news-item span{color:var(--muted-2);font-size:12px;white-space:nowrap}.news-item a:hover{color:var(--coral)}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}.accordion-button{background:transparent!important;color:var(--cream)!important;box-shadow:none!important;padding:18px 0;font-weight:700}.accordion-button:after{filter:invert(1) sepia(1) saturate(2)}.accordion-body{color:var(--muted);font-size:14px;padding:0 0 18px}
    .cta{background:var(--grad);border-radius:30px;padding:43px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 7px;font-size:31px}.cta p{margin:0;color:#ffe9e4;font-size:14px}.footer{padding:62px 0 100px;background:#120e19;border-top:1px solid #39273e}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:35px}.footer p,.footer a{color:var(--muted-2);font-size:13px}.footer a{display:block;margin:8px 0}.footer a:hover{color:var(--cream)}.footer-title{color:var(--cream);font-weight:700;margin-bottom:14px}.copyright{border-top:1px solid #302236;margin-top:35px;padding-top:20px;color:#897a8e;font-size:12px}
    .sticky{position:fixed;bottom:0;left:0;right:0;z-index:30;background:linear-gradient(100deg,#6e2f63,#b64272);padding:12px 0;box-shadow:0 -10px 35px rgba(0,0,0,.22)}.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}.sticky small{color:#ffe7e2}.sticky .btn-lightbrand{min-height:40px;padding:9px 17px}
    @media(max-width:991px){.rail{grid-template-columns:1fr 1fr}.rail-card:nth-child(3){margin-top:0}.collection-grid{grid-template-columns:1fr 1fr}.collection-card.feature{grid-row:span 2}.scene{grid-template-columns:1fr}.quote-grid{grid-template-columns:1fr 1fr}.stats{grid-column:span 2}}
    @media(max-width:767px){.topline .inner{overflow:hidden;white-space:nowrap}.topline .inner>span:nth-child(2){display:none}.hero{padding:58px 0}.stage{transform:none;margin-top:30px}.section{padding:65px 0}.rail,.collection-grid,.news-layout,.footer-grid{grid-template-columns:1fr}.rail-card:nth-child(2),.rail-card:nth-child(3){margin-top:0}.collection-card.feature{grid-row:auto}.quote-grid{grid-template-columns:1fr}.stats{grid-column:auto}.cta{padding:28px;display:block}.cta .btn-lightbrand{margin-top:20px}.sticky-inner{padding:0 15px}.sticky small{font-size:11px}.sticky .btn-lightbrand{font-size:12px;padding:8px 11px}}
    @media(max-width:520px){h1{font-size:34px;letter-spacing:-1px}.hero-lead{font-size:15px}.brand-name{font-size:14px}.stage,.collection-wrap,.feedback{padding:20px}.board{padding:20px}.poster{height:170px}.sticky{padding-bottom:calc(12px + env(safe-area-inset-bottom))}.sticky small{max-width:185px}}

/* roulang page: category2 */
:root{
            --ink:#17121f;
            --ink-2:#21152b;
            --panel:#2b2037;
            --panel-2:#34253f;
            --cream:#fff8f2;
            --muted:#c7b9ca;
            --muted-2:#a998ae;
            --line:#4b3854;
            --berry:#d44983;
            --coral:#f17b78;
            --gold:#f2bd73;
            --radius:26px;
            --grad:linear-gradient(120deg,#74336e 0%,#d44983 57%,#f18b78 100%);
            --shadow:0 22px 55px rgba(8,4,14,.28);
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            background:var(--ink);
            color:var(--cream);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            line-height:1.75;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none;transition:.22s ease}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        .container{max-width:1220px}
        .top-strip{
            min-height:38px;
            background:#120e19;
            border-bottom:1px solid #302236;
            color:var(--muted-2);
            font-size:12px;
        }
        .top-inner{
            min-height:38px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:18px;
            white-space:nowrap;
        }
        .top-domain{color:var(--cream);font-weight:700}
        .top-domain i{color:var(--gold);margin-right:6px}
        .top-note{overflow:hidden;text-overflow:ellipsis}
        .top-link{color:var(--coral);font-weight:700}
        .navbar{
            background:rgba(23,18,31,.98);
            border-bottom:1px solid #392a43;
            padding:16px 0;
            position:sticky;
            top:0;
            z-index:20;
        }
        .navbar-brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.5px}
        .brand-mark{
            width:39px;height:39px;border-radius:13px;background:var(--grad);
            display:grid;place-items:center;box-shadow:0 8px 24px rgba(212,73,131,.25);font-size:19px
        }
        .brand-name{font-size:17px}
        .nav-link{
            color:var(--muted)!important;
            font-size:14px;
            margin:0 5px;
            padding:9px 13px!important;
            border-radius:10px;
        }
        .nav-link:hover,.nav-link.active{color:var(--cream)!important;background:#33243e}
        .navbar-toggler{border:1px solid var(--line);border-radius:11px;padding:8px 11px;color:var(--cream)}
        .btn-brand,.btn-soft,.btn-lightbrand{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            border-radius:14px;padding:12px 20px;font-size:14px;font-weight:700;
            min-height:46px;transition:.22s ease
        }
        .btn-brand{background:var(--grad);color:#fff;border:0;box-shadow:0 12px 25px rgba(212,73,131,.25)}
        .btn-soft{border:1px solid #77506f;color:var(--cream);background:#2a1e34}
        .btn-lightbrand{background:#fff4ed;color:#43233d;border:0}
        .btn-brand:hover,.btn-soft:hover,.btn-lightbrand:hover{transform:translateY(-2px);filter:brightness(1.08);color:inherit}
        .btn-brand:active,.btn-soft:active,.btn-lightbrand:active{transform:none}
        :focus-visible{outline:3px solid rgba(241,123,120,.75);outline-offset:3px}
        .hero{
            padding:78px 0 70px;
            position:relative;
            background:
                radial-gradient(circle at 15% 20%,rgba(212,73,131,.2),transparent 28%),
                radial-gradient(circle at 88% 20%,rgba(242,189,115,.13),transparent 26%),
                var(--ink);
        }
        .hero:before{
            content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;
            background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
            background-size:42px 42px;
            mask-image:linear-gradient(to bottom,black,transparent 85%);
        }
        .hero-content{position:relative;z-index:1}
        .eyebrow,.section-kicker{color:var(--gold);font-size:13px;font-weight:700;letter-spacing:1px}
        h1{
            font-size:clamp(38px,5vw,62px);
            line-height:1.16;
            letter-spacing:-2px;
            margin:15px 0 20px;
            max-width:720px;
        }
        .hero-lead{font-size:17px;color:var(--muted);max-width:680px;line-height:1.9;margin-bottom:28px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
        .hero-banner{
            min-height:320px;
            border-radius:32px;
            background:var(--grad);
            position:relative;
            overflow:hidden;
            padding:28px;
            box-shadow:var(--shadow);
        }
        .hero-banner:before,.hero-banner:after{
            content:"";position:absolute;border:1px solid rgba(255,248,242,.25);border-radius:50%;
        }
        .hero-banner:before{width:330px;height:330px;right:-115px;top:-105px}
        .hero-banner:after{width:220px;height:220px;right:30px;bottom:-125px}
        .banner-copy{position:relative;z-index:1;max-width:280px}
        .banner-copy h2{font-size:27px;line-height:1.3;margin:35px 0 10px}
        .banner-copy p{color:#ffe7e3;font-size:14px}
        .badge-stack{position:absolute;right:24px;bottom:27px;z-index:1;display:flex;flex-direction:column;gap:9px;align-items:flex-end}
        .metric-badge,.tag{
            display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;font-size:11px;white-space:nowrap
        }
        .metric-badge{background:rgba(242,189,115,.15);color:var(--gold)}
        .banner-badge{background:rgba(23,18,31,.42);color:#fff4ed;padding:8px 12px}
        .tag{background:#422d49;color:#e6cddd}
        .tag.hot{background:#713451;color:#ffd2c3}
        .section{padding:94px 0}
        .section.alt{background:#21152b}
        .section-head{max-width:710px;margin-bottom:38px}
        .section h2{font-size:clamp(28px,3.5vw,40px);line-height:1.25;letter-spacing:-1px;margin:8px 0 13px}
        .section-intro{color:var(--muted);margin:0;max-width:680px}
        .topic-bar{
            display:flex;gap:10px;overflow-x:auto;padding:4px 2px 15px;
            scrollbar-color:var(--berry) var(--ink-2)
        }
        .topic-bar .tag{padding:10px 15px;cursor:pointer}
        .topic-bar .tag:hover,.topic-bar .tag.selected{background:var(--berry);color:#fff}
        .feature-entry{
            display:grid;
            grid-template-columns:1.05fr 1.4fr .65fr;
            gap:0;
            min-height:265px;
            border-radius:28px;
            overflow:hidden;
            background:var(--panel);
            border:1px solid #543952;
            box-shadow:var(--shadow);
            transition:.25s ease;
        }
        .feature-entry:hover{transform:translateY(-4px);border-color:var(--coral)}
        .poster{
            min-height:265px;
            background:
                linear-gradient(145deg,rgba(23,18,31,.08),rgba(23,18,31,.7)),
                radial-gradient(circle at 30% 30%,#f4a376 0,transparent 18%),
                linear-gradient(135deg,#6c2e69,#d44983 55%,#f1a274);
            position:relative;
            display:flex;align-items:flex-end;padding:22px;
        }
        .poster:after{content:"";position:absolute;width:130px;height:190px;border:1px solid rgba(255,248,242,.25);border-radius:65px 65px 18px 18px;right:25%;top:18%;transform:rotate(12deg)}
        .poster-label{position:relative;z-index:1;color:#fff;font-size:12px}
        .entry-copy{padding:29px}
        .entry-copy h3{font-size:25px;margin:15px 0 9px;line-height:1.35}
        .entry-copy p{color:var(--muted);font-size:14px;margin:0 0 17px}
        .entry-meta{display:flex;gap:8px;flex-wrap:wrap}
        .entry-side{
            padding:27px 20px;
            background:#34243e;
            display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start
        }
        .side-number{font-size:37px;font-weight:800;color:var(--gold);line-height:1}
        .side-label{font-size:12px;color:var(--muted-2)}
        .timeline{position:relative;margin-top:36px}
        .timeline:before{content:"";position:absolute;left:17px;top:14px;bottom:14px;width:1px;background:var(--line)}
        .timeline-item{
            display:grid;grid-template-columns:36px 1fr auto;gap:18px;align-items:start;
            position:relative;padding:0 0 29px
        }
        .timeline-dot{
            width:35px;height:35px;border-radius:12px;background:var(--panel-2);
            border:1px solid var(--berry);display:grid;place-items:center;color:var(--coral);z-index:1
        }
        .timeline-body{background:var(--panel);border-radius:20px;padding:19px 22px;border:1px solid transparent}
        .timeline-body:hover{border-color:#76506f}
        .timeline-body h3{font-size:18px;margin:0 0 5px}
        .timeline-body p{color:var(--muted);font-size:13px;margin:0}
        .timeline-action{align-self:center}
        .mini-link{color:var(--coral);font-size:13px;font-weight:700}
        .mini-link:hover{color:var(--gold)}
        .browse-panel{
            background:#2a1c34;border-radius:28px;padding:28px;border:1px solid #4b3451
        }
        .browse-panel h3{font-size:22px;margin:0 0 8px}
        .browse-panel p{color:var(--muted);font-size:14px;margin-bottom:22px}
        .browse-row{
            display:flex;justify-content:space-between;align-items:center;gap:14px;
            padding:17px 0;border-top:1px solid var(--line)
        }
        .browse-row strong{font-size:14px}
        .browse-row small{display:block;color:var(--muted-2);font-size:12px;margin-top:3px}
        .status{color:#f4ca8a;font-size:12px;white-space:nowrap}
        .status i{font-size:8px;margin-right:5px;color:#efa768}
        .faq-wrap{max-width:850px}
        .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
        .accordion-button{background:transparent!important;color:var(--cream)!important;box-shadow:none!important;padding:19px 0;font-weight:700}
        .accordion-button:after{filter:invert(1) sepia(1) saturate(2)}
        .accordion-body{color:var(--muted);font-size:14px;padding:0 0 19px}
        .cta{
            background:var(--grad);border-radius:30px;padding:42px 45px;
            display:flex;justify-content:space-between;align-items:center;gap:25px
        }
        .cta h2{margin:0 0 7px;font-size:31px;line-height:1.3}
        .cta p{margin:0;color:#ffe9e4;font-size:14px}
        .footer{padding:62px 0 105px;background:#120e19;border-top:1px solid #39273e}
        .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:35px}
        .footer p,.footer a{color:var(--muted-2);font-size:13px}
        .footer a{display:block;margin:8px 0}
        .footer a:hover{color:var(--cream)}
        .footer-title{color:var(--cream);font-weight:700;margin-bottom:14px}
        .copyright{border-top:1px solid #302236;margin-top:35px;padding-top:20px;color:#897a8e;font-size:12px}
        .sticky-convert-bar{
            position:fixed;left:0;right:0;bottom:0;z-index:30;
            background:linear-gradient(90deg,#542346,#9e3569 60%,#c85b70);
            border-top:1px solid rgba(255,248,242,.2);
            padding:12px 0 calc(12px + env(safe-area-inset-bottom));
            box-shadow:0 -12px 35px rgba(8,4,14,.35)
        }
        .sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
        .sticky-text{font-size:14px;font-weight:700;color:#fff8f2}
        .sticky-sub{font-size:12px;color:#ffdcd5;margin-left:10px}
        .sticky-actions{display:flex;gap:9px;align-items:center}
        .sticky-actions .btn-lightbrand{min-height:40px;padding:9px 17px}
        .sticky-close{border:0;background:transparent;color:#ffe6df;font-size:20px;padding:7px}
        @media(max-width:991px){
            .navbar-collapse{background:var(--ink-2);border-radius:18px;margin-top:14px;padding:12px}
            .navbar .btn-brand{margin-top:10px;width:100%}
            .feature-entry{grid-template-columns:1fr 1.35fr}
            .entry-side{grid-column:1/-1;flex-direction:row;align-items:center;min-height:90px}
        }
        @media(max-width:767px){
            .top-note{display:none}
            .top-inner{justify-content:space-between}
            .hero{padding:57px 0 52px}
            h1{font-size:clamp(34px,9vw,44px);letter-spacing:-1px}
            .hero-lead{font-size:15px}
            .hero-banner{margin-top:30px;min-height:285px}
            .section{padding:64px 0}
            .feature-entry{display:block}
            .poster{min-height:210px}
            .entry-side{display:flex;min-height:auto}
            .timeline-item{grid-template-columns:36px 1fr}
            .timeline-action{grid-column:2}
            .cta{padding:30px 24px;display:block}
            .cta .btn-lightbrand{margin-top:20px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
            .footer-grid>div:first-child{grid-column:1/-1}
            .sticky-sub{display:none}
        }
        @media(max-width:520px){
            .brand-name{font-size:14px}
            .brand-mark{width:35px;height:35px;border-radius:11px}
            .hero-actions a{width:100%}
            .hero-actions .btn-soft{background:#2a1e34}
            .feature-entry,.browse-panel{border-radius:22px}
            .entry-copy{padding:23px 20px}
            .entry-copy h3{font-size:21px}
            .entry-side{padding:20px}
            .timeline-body{padding:16px}
            .footer-grid{grid-template-columns:1fr}
            .footer-grid>div:first-child{grid-column:auto}
            .sticky-inner{align-items:center}
            .sticky-text{font-size:12px}
            .sticky-actions .btn-lightbrand{padding:8px 11px;font-size:12px}
        }
        @media(prefers-reduced-motion:reduce){
            *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
        }

/* roulang page: category1 */
:root{
      --ink:#17121f;
      --ink-2:#21152b;
      --panel:#2b2037;
      --panel-2:#34253f;
      --cream:#fff8f2;
      --muted:#c7b9ca;
      --muted-2:#a998ae;
      --line:#4b3854;
      --berry:#d44983;
      --coral:#f17b78;
      --gold:#f2bd73;
      --radius:26px;
      --grad:linear-gradient(120deg,#74336e 0%,#d44983 57%,#f18b78 100%);
      --shadow:0 22px 55px rgba(8,4,14,.28);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--ink);color:var(--cream);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;line-height:1.75;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(242,189,115,.7);outline-offset:3px}
    img{max-width:100%;display:block}
    .container{max-width:1220px}
    .topbar{height:38px;background:#120e19;border-bottom:1px solid #302236;color:var(--muted-2);font-size:12px}
    .topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:18px;white-space:nowrap}
    .topbar-left,.topbar-mid,.topbar-right{display:flex;align-items:center;gap:8px}
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(242,189,115,.1)}
    .topbar a{color:#f5c6bb}
    .topbar a:hover{color:var(--cream)}
    .navbar{background:rgba(23,18,31,.98);border-bottom:1px solid #392a43;padding:16px 0;position:sticky;top:0;z-index:20}
    .navbar-brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.5px}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:var(--grad);display:grid;place-items:center;box-shadow:0 8px 24px rgba(212,73,131,.25);font-size:19px}
    .brand-name{font-size:17px}
    .nav-link{color:var(--muted)!important;font-size:14px;margin:0 5px;padding:9px 13px!important;border-radius:10px}
    .nav-link:hover,.nav-link.active{color:var(--cream)!important;background:#33243e}
    .navbar-toggler{border:1px solid var(--line);border-radius:11px;padding:8px 11px;color:var(--cream)}
    .btn-brand,.btn-soft,.btn-lightbrand{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 20px;font-size:14px;font-weight:700;min-height:46px;transition:.22s ease}
    .btn-brand{background:var(--grad);color:#fff;border:0;box-shadow:0 12px 25px rgba(212,73,131,.25)}
    .btn-soft{border:1px solid #77506f;color:var(--cream);background:#2a1e34}
    .btn-lightbrand{background:#fff4ed;color:#43233d;border:0}
    .btn-brand:hover,.btn-soft:hover,.btn-lightbrand:hover{transform:translateY(-2px);filter:brightness(1.08);color:inherit}
    .btn-brand:active,.btn-soft:active{transform:none}
    .hero{position:relative;padding:72px 0 64px;background:linear-gradient(180deg,#fff6ed 0%,#f8e8e2 100%);color:#321e35;overflow:hidden}
    .hero:after{content:"";position:absolute;width:520px;height:220px;right:-90px;top:-80px;background:var(--grad);border-radius:50%;opacity:.88;transform:rotate(-14deg)}
    .hero .container{position:relative;z-index:1}
    .eyebrow{color:#a74468;font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:14px}
    .hero h1{font-size:clamp(34px,5vw,56px);line-height:1.18;letter-spacing:-1.8px;margin:0 0 18px;max-width:730px}
    .hero-lead{font-size:17px;color:#755d70;line-height:1.9;max-width:680px;margin:0 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-soft{color:#43233d;background:#fff8f2;border-color:#d9b9c8}
    .hero-metrics{display:flex;justify-content:flex-end;gap:12px;position:relative;z-index:2}
    .metric-card{background:#2a1c35;color:var(--cream);border-radius:20px;padding:18px 20px;min-width:142px;box-shadow:var(--shadow)}
    .metric-card strong{display:block;color:var(--gold);font-size:26px;line-height:1.1}
    .metric-card span{display:block;color:var(--muted);font-size:12px;margin-top:6px}
    .section{padding:86px 0}
    .section-head{max-width:720px;margin-bottom:34px}
    .section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.8px}
    .section h2{font-size:clamp(28px,3.5vw,40px);line-height:1.25;letter-spacing:-1px;margin:8px 0 13px}
    .section-intro{color:var(--muted);margin:0;max-width:680px}
    .guide-layout{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}
    .filter-panel{background:var(--panel);border-radius:24px;padding:23px;position:sticky;top:105px;border:1px solid #49344f}
    .filter-title{font-weight:800;font-size:17px;margin-bottom:17px}
    .filter-label{font-size:12px;color:var(--muted-2);display:block;margin:18px 0 8px}
    .filter-link{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:14px;padding:10px 12px;border-radius:11px;margin:4px 0}
    .filter-link:hover,.filter-link.selected{background:#49304a;color:var(--cream)}
    .filter-link.selected{box-shadow:inset 3px 0 var(--coral)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:7px}
    .tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;font-size:11px;white-space:nowrap;background:#422d49;color:#e6cddd}
    .tag.hot{background:#713451;color:#ffd2c3}
    .guide-list{display:grid;grid-template-columns:1.08fr .92fr;gap:16px}
    .content-index-card{background:var(--panel);border:1px solid #49344f;border-radius:24px;padding:18px;transition:.24s ease;overflow:hidden}
    .content-index-card:hover{transform:translateY(-5px);border-color:#a64b78;box-shadow:0 18px 38px rgba(8,4,14,.26)}
    .content-index-card.wide{grid-column:span 2;display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center}
    .poster{height:145px;border-radius:17px;background:var(--grad);position:relative;overflow:hidden}
    .poster:before{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(255,255,255,.3);border-radius:50%;right:-28px;top:-34px}
    .poster:after{content:"";position:absolute;width:80px;height:80px;background:rgba(255,248,242,.14);border-radius:24px;left:25px;bottom:-25px;transform:rotate(35deg)}
    .poster.tone-2{background:linear-gradient(135deg,#4c2b61,#d65b85 68%,#f4a075)}
    .poster.tone-3{background:linear-gradient(135deg,#542950,#9b477b 54%,#e9b36f)}
    .poster i{position:absolute;left:18px;top:18px;font-size:22px;color:#fff5eb;z-index:1}
    .card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
    .card-time{color:var(--muted-2);font-size:12px}
    .content-index-card h3{font-size:19px;margin:0 0 8px}
    .content-index-card p{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 16px}
    .small-btn{padding:9px 13px;min-height:40px;font-size:12px;border-radius:11px}
    .state{display:inline-flex;align-items:center;gap:6px;color:#cde0b3;font-size:12px}
    .state i{font-size:8px;color:#a9cf72}
    .notice-strip{margin-top:24px;background:#21152b;border:1px solid #4b3854;border-radius:19px;padding:16px 20px;color:var(--muted);font-size:13px;display:flex;gap:12px;align-items:flex-start}
    .notice-strip i{color:var(--gold);font-size:18px}
    .process{background:#21152b}
    .process-board{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--panel);border-radius:28px;padding:25px;border:1px solid #49344f}
    .process-step{padding:17px 22px;border-right:1px solid var(--line);position:relative}
    .process-step:last-child{border:0}
    .step-no{color:var(--gold);font-size:12px;font-weight:800}
    .process-step h3{font-size:17px;margin:13px 0 6px}
    .process-step p{color:var(--muted);font-size:13px;line-height:1.65;margin:0}
    .proof-area{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .feedback-stack{display:grid;gap:12px}
    .feedback{background:var(--panel);border-radius:20px;padding:20px 22px;border-left:3px solid var(--berry)}
    .feedback:nth-child(2){border-left-color:var(--coral)}
    .feedback p{color:#eadde8;font-size:14px;margin:0 0 12px}
    .feedback small{color:var(--muted-2)}
    .stats-board{background:var(--grad);border-radius:28px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;min-height:250px}
    .stats-board h3{font-size:21px;margin:0}
    .stats-row{display:flex;justify-content:space-between;align-items:end;border-top:1px solid rgba(255,255,255,.25);padding-top:18px;margin-top:20px}
    .stats-row strong{font-size:35px;line-height:1}
    .stats-row span{font-size:12px;color:#ffe5df;display:block;margin-top:4px}
    .faq-wrap{background:var(--panel);border-radius:26px;padding:12px 27px;border:1px solid #49344f}
    .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
    .accordion-item:last-child{border-bottom:0}
    .accordion-button{background:transparent!important;color:var(--cream)!important;box-shadow:none!important;padding:19px 0;font-weight:700}
    .accordion-button:after{filter:invert(1) sepia(1) saturate(2)}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 0 19px}
    .cta{background:var(--grad);border-radius:30px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{margin:0 0 7px;font-size:31px}
    .cta p{margin:0;color:#ffe9e4;font-size:14px}
    .footer{padding:62px 0 112px;background:#120e19;border-top:1px solid #39273e}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:35px}
    .footer p,.footer a{color:var(--muted-2);font-size:13px}
    .footer a{display:block;margin:8px 0}
    .footer a:hover{color:var(--cream)}
    .footer-title{color:var(--cream);font-weight:700;margin-bottom:14px}
    .copyright{border-top:1px solid #302236;margin-top:35px;padding-top:20px;color:#897a8e;font-size:12px}
    .sticky-convert-bar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:linear-gradient(100deg,#5d2b59,#b63f72 65%,#df6a73);padding:11px 0;box-shadow:0 -12px 35px rgba(8,4,14,.32)}
    .sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
    .sticky-copy{font-size:14px;color:#fff5ef}
    .sticky-copy strong{font-weight:800}
    .sticky-actions{display:flex;gap:9px;align-items:center}
    .sticky-actions .btn-lightbrand{min-height:40px;padding:9px 17px}
    .sticky-close{background:transparent;border:0;color:#ffe8df;font-size:20px;padding:6px}
    @media(max-width:991px){
      .hero-metrics{justify-content:flex-start;margin-top:30px}
      .guide-layout{grid-template-columns:1fr}
      .filter-panel{position:static}
      .filter-options{display:flex;flex-wrap:wrap;gap:5px}
      .filter-label{width:100%;margin-bottom:0}
      .filter-link{margin:0}
      .process-board{grid-template-columns:1fr 1fr}
      .process-step:nth-child(2){border-right:0}
      .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .proof-area{grid-template-columns:1fr}
    }
    @media(max-width:767px){
      .topbar-mid{display:none}
      .topbar-inner{justify-content:space-between}
      .navbar-collapse{background:#21152b;border-radius:18px;margin-top:14px;padding:12px}
      .navbar-nav{align-items:stretch!important}
      .nav-link{margin:3px 0}
      .navbar .btn-brand{margin-top:10px;width:100%}
      .hero{padding:54px 0 48px}
      .hero h1{font-size:36px}
      .hero-metrics{display:grid;grid-template-columns:1fr 1fr}
      .metric-card{min-width:0}
      .section{padding:62px 0}
      .guide-list{grid-template-columns:1fr}
      .content-index-card.wide{grid-column:auto;display:block}
      .content-index-card.wide .poster{margin-bottom:18px}
      .process-board{grid-template-columns:1fr;padding:14px}
      .process-step{border-right:0!important;border-bottom:1px solid var(--line)!important;padding:18px 12px}
      .process-step:last-child{border-bottom:0!important}
      .cta{padding:30px 24px;display:block}
      .cta .btn-lightbrand{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:span 2}
      .sticky-copy{font-size:12px}
      .sticky-actions .btn-lightbrand{font-size:12px;padding:8px 12px}
      .sticky-close{display:none}
    }
    @media(max-width:520px){
      .brand-name{font-size:14px}
      .topbar-right{font-size:11px}
      .hero h1{font-size:32px}
      .hero-lead{font-size:15px}
      .hero-actions .btn-brand,.hero-actions .btn-soft{width:100%}
      .hero-metrics{gap:8px}
      .metric-card{padding:15px}
      .metric-card strong{font-size:22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .sticky-inner{gap:8px}
      .sticky-copy{max-width:155px;line-height:1.4}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }