/* roulang page: index */
:root{
            --ink:#211c25;
            --ink-soft:#403845;
            --paper:#f7f4f1;
            --paper-deep:#ece7e5;
            --white:#fffdfb;
            --plum:#743d68;
            --plum-dark:#43263e;
            --coral:#ef725f;
            --coral-dark:#d95749;
            --lilac:#e5d7e2;
            --muted:#817881;
            --line:#ded6d5;
            --shadow:0 18px 50px rgba(58,37,50,.10);
            --shadow-sm:0 8px 22px rgba(58,37,50,.08);
            --radius:20px;
            --radius-sm:12px;
            --max:1180px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--paper);
            color:var(--ink);
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer;border:0}
        img{max-width:100%;display:block}
        .container{width:min(var(--max),calc(100% - 48px));margin:auto}
        .topbar{
            background:var(--ink);
            color:#fffaf7;
            border-bottom:1px solid rgba(255,255,255,.12);
            position:sticky;top:0;z-index:20;
        }
        .nav{
            min-height:76px;display:flex;align-items:center;gap:28px;
        }
        .brand{display:flex;align-items:center;gap:11px;min-width:260px}
        .brand-mark{
            width:34px;height:34px;border-radius:10px;background:var(--coral);
            display:grid;place-items:center;color:var(--ink);font-weight:900;font-size:17px;
        }
        .brand-name{font-size:15px;font-weight:800;line-height:1.25;letter-spacing:.01em}
        .brand-name small{display:block;color:#c8bbc5;font-size:10px;font-weight:500;margin-top:3px}
        .nav-links{display:flex;align-items:center;gap:5px;flex:1}
        .nav-links a{
            color:#d8cfd7;padding:9px 13px;border-radius:9px;font-size:13px;
            transition:.25s ease;position:relative;white-space:nowrap;
        }
        .nav-links a:hover,.nav-links a:focus{background:#362d37;color:#fff}
        .nav-links a.active{background:rgba(239,114,95,.14);color:#ff9b89}
        .nav-links a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--coral);border-radius:2px}
        .nav-tools{display:flex;align-items:center;gap:13px;white-space:nowrap}
        .online{font-size:12px;color:#c8bbc5;display:flex;align-items:center;gap:6px}
        .online i{width:7px;height:7px;border-radius:50%;background:#7bd49b;box-shadow:0 0 0 4px rgba(123,212,155,.13)}
        .bell{color:#d8cfd7;font-size:18px}
        .nav-cta,.btn-primary{
            background:var(--coral);color:#291d22;border-radius:10px;padding:11px 17px;
            font-size:13px;font-weight:800;transition:.25s ease;display:inline-flex;align-items:center;justify-content:center;
        }
        .nav-cta:hover,.btn-primary:hover{background:#ff8a77;transform:translateY(-2px)}
        .menu-btn{display:none;background:none;color:white;font-size:24px}
        .hero{padding:70px 0 46px;position:relative;overflow:hidden}
        .hero:before{
            content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-150px;top:-170px;
            background:var(--lilac);opacity:.55;z-index:-1;
        }
        .hero-grid{display:grid;grid-template-columns:1.07fr .93fr;gap:58px;align-items:center}
        .eyebrow,.section-kicker{color:var(--plum);font-size:12px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
        h1{font-size:clamp(38px,5vw,67px);line-height:1.1;letter-spacing:-.055em;margin:15px 0 22px;max-width:700px}
        .hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 27px}
        .btn-secondary{
            display:inline-flex;align-items:center;justify-content:center;padding:10px 17px;border:1px solid var(--line);
            background:var(--white);border-radius:10px;font-size:13px;font-weight:750;transition:.25s ease;
        }
        .btn-secondary:hover{border-color:var(--plum);color:var(--plum);transform:translateY(-2px)}
        .hero-notes{display:flex;gap:21px;flex-wrap:wrap;color:var(--muted);font-size:12px}
        .hero-notes strong{color:var(--ink);font-size:20px;display:block;line-height:1.2}
        .dashboard{
            background:var(--ink);color:#fffaf7;border-radius:24px;padding:22px;box-shadow:var(--shadow);
            transform:rotate(1.2deg);
        }
        .dash-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #473d46;padding-bottom:16px;margin-bottom:16px}
        .dash-title{font-size:14px;font-weight:800}.dash-date{font-size:11px;color:#b9aeb9}
        .stat-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:12px}
        .stat{background:#302832;border:1px solid #4b3d48;border-radius:14px;padding:17px}
        .stat.big{grid-row:span 2;background:var(--plum-dark)}
        .stat-label{font-size:11px;color:#c9bec7}.stat-number{font-size:35px;line-height:1.1;font-weight:900;margin:8px 0 2px}.stat small{font-size:11px;color:#eaa194}
        .dash-strip{margin-top:12px;padding:12px 14px;border-radius:12px;background:#f3d7d0;color:#57333d;font-size:12px;font-weight:700}
        section{padding:72px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}
        .section-head h2{font-size:31px;line-height:1.2;letter-spacing:-.035em;margin-top:7px}
        .section-head p{color:var(--muted);font-size:14px;max-width:570px}
        .text-link{color:var(--plum);font-size:13px;font-weight:800;white-space:nowrap}
        .text-link:hover{text-decoration:underline}
        .ticker{
            background:var(--ink);color:#fff;padding:15px 20px;border-radius:14px;margin-bottom:22px;
            display:flex;gap:23px;align-items:center;overflow:auto;white-space:nowrap;
        }
        .ticker strong{color:var(--coral);font-size:12px}.ticker span{font-size:12px;color:#d7ccd5}
        .matrix{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
        .channel-main,.channel-small{
            background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
            transition:.25s ease;box-shadow:var(--shadow-sm)
        }
        .channel-main:hover,.channel-small:hover{transform:translateY(-4px);border-color:#bb8eaf;box-shadow:var(--shadow)}
        .cover{height:235px;background:linear-gradient(130deg,#392538,#9b597c 52%,#e87e68);position:relative;padding:18px;display:flex;align-items:end}
        .cover:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(20,12,18,.68),transparent 65%)}
        .cover-content{position:relative;z-index:1;color:#fff}.cover h3{font-size:24px;line-height:1.25}.cover p{font-size:12px;color:#f7dcd7;margin-top:5px}
        .play{position:absolute;z-index:2;right:19px;top:18px;width:42px;height:42px;border-radius:50%;background:#fff;color:var(--coral);display:grid;place-items:center;font-size:16px}
        .channel-body{padding:19px}.meta-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}.badge{padding:4px 8px;border-radius:6px;background:var(--lilac);color:var(--plum);font-weight:800;font-size:11px}.badge.hot{background:#fde0d9;color:#c84e40}
        .channel-body .row{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:15px}
        .channel-small{display:grid;grid-template-columns:112px 1fr}.small-cover{background:linear-gradient(145deg,#55334f,#e47e69);min-height:125px;position:relative}.small-cover.two{background:linear-gradient(145deg,#33283e,#9b7ba0)}.small-cover .play{width:30px;height:30px;font-size:11px;right:10px;top:10px}
        .channel-small .channel-body{padding:15px}.channel-small h3{font-size:16px;line-height:1.35;margin:7px 0}
        .small-list{display:grid;gap:18px}.mini-btn{font-size:12px;color:var(--plum);font-weight:800}
        .comparison{background:#ece4e8}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .compare-card{background:var(--white);border-radius:17px;padding:21px;border:1px solid var(--line)}
        .compare-card.highlight{border-color:#c99bbd;background:#fbf5f8}.compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-weight:800}.compare-title span{font-size:11px;color:var(--muted);font-weight:500}
        .feed-item{display:flex;gap:12px;border-top:1px solid var(--line);padding:13px 0;align-items:center}.thumb{width:68px;height:50px;border-radius:8px;background:#c8b0c4;flex:none}.thumb.orange{background:#efaa93}.feed-item h4{font-size:13px;line-height:1.35}.feed-meta{font-size:11px;color:var(--muted);margin-top:3px}.feed-meta b{color:var(--plum)}
        .faq-list{max-width:850px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;min-height:62px;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:800}summary::-webkit-details-marker{display:none}summary:after{content:"＋";color:var(--coral);font-size:22px;font-weight:400}details[open] summary:after{content:"－"}details p{color:var(--muted);font-size:14px;padding:0 38px 18px 0;max-width:740px}summary:focus{outline:3px solid rgba(239,114,95,.25);outline-offset:5px}
        .signup{background:var(--plum-dark);color:#fffaf7;border-radius:25px;padding:38px 42px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.signup h2{font-size:30px;line-height:1.25;margin:8px 0 12px}.signup p{color:#d9cbd6;font-size:14px}.form{display:grid;gap:11px}.form input,.form select{background:#fffaf7;border:2px solid transparent;border-radius:9px;padding:12px 13px;color:var(--ink);outline:none}.form input:focus,.form select:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(239,114,95,.2)}.form .btn-primary{justify-self:start}.form-note{font-size:11px;color:#cdbdca}
        .legal-strip{padding:20px 0;color:var(--muted);font-size:12px}.legal-strip strong{color:var(--ink)}
        footer{background:var(--ink);color:#d3c7d0;padding:35px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-brand{color:#fff;font-weight:800;font-size:15px}.footer-brand p{font-size:12px;color:#a99ba7;font-weight:400;max-width:380px;margin-top:8px}.footer-links{display:flex;gap:20px;font-size:12px}.footer-links a:hover{color:var(--coral)}.copyright{border-top:1px solid #453b44;margin-top:26px;padding-top:18px;font-size:11px;color:#91838f;display:flex;justify-content:space-between;gap:15px}
        @media(max-width:900px){.nav{gap:15px}.brand{min-width:220px}.nav-links a{padding:8px 8px}.hero-grid{gap:30px}.matrix{grid-template-columns:1fr}.small-list{grid-template-columns:1fr 1fr}}
        @media(max-width:700px){.container{width:min(var(--max),calc(100% - 30px))}.nav{min-height:64px}.brand{min-width:0;flex:1}.brand-name{font-size:13px}.nav-links{display:none;position:absolute;left:15px;right:15px;top:70px;background:var(--ink);padding:12px;flex-direction:column;align-items:stretch;border:1px solid #493e48;border-radius:12px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.nav-links a{padding:12px}.nav-tools .bell,.nav-tools .nav-cta{display:none}.menu-btn{display:block}.online{font-size:0}.hero{padding:45px 0 25px}.hero-grid{grid-template-columns:1fr}.dashboard{transform:none}.hero-copy{font-size:15px}section{padding:52px 0}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:10px}.section-head .text-link{display:inline-block;margin-top:12px}.compare-grid,.signup{grid-template-columns:1fr}.signup{padding:28px 23px;gap:25px}.small-list{grid-template-columns:1fr}.footer-top,.copyright{display:block}.footer-links{margin-top:20px;flex-wrap:wrap}.copyright span{display:block;margin-top:7px}}
        @media(max-width:420px){h1{font-size:36px}.stat-layout{grid-template-columns:1fr 1fr}.stat.big{grid-column:span 2;grid-row:auto}.channel-small{grid-template-columns:92px 1fr}.cover{height:210px}}

/* roulang page: category1 */
:root{
 --ink:#211c25;
 --ink-soft:#403845;
 --paper:#f7f4f1;
 --paper-deep:#ece7e5;
 --white:#fffdfb;
 --plum:#743d68;
 --plum-dark:#43263e;
 --coral:#ef725f;
 --coral-dark:#d95749;
 --lilac:#e5d7e2;
 --muted:#817881;
 --line:#ded6d5;
 --shadow:0 18px 50px rgba(58,37,50,.10);
 --shadow-sm:0 8px 22px rgba(58,37,50,.08);
 --radius:20px;
 --radius-sm:12px;
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--paper);color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
 line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{
 background:var(--ink);color:#fffaf7;border-bottom:1px solid rgba(255,255,255,.12);
 position:sticky;top:0;z-index:20;
}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:260px}
.brand-mark{
 width:34px;height:34px;border-radius:10px;background:var(--coral);
 display:grid;place-items:center;color:var(--ink);font-weight:900;font-size:17px;
}
.brand-name{font-size:15px;font-weight:800;line-height:1.25;letter-spacing:.01em}
.brand-name small{display:block;color:#c8bbc5;font-size:10px;font-weight:500;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{
 color:#d8cfd7;padding:9px 13px;border-radius:9px;font-size:13px;
 transition:.25s ease;position:relative;white-space:nowrap;
}
.nav-links a:hover,.nav-links a:focus{background:#362d37;color:#fff}
.nav-links a.active{background:rgba(239,114,95,.14);color:#ff9b89}
.nav-links a.active:after{
 content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
 background:var(--coral);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:13px;white-space:nowrap}
.online{font-size:11px;color:#d8cfd7}
.online i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#80d3a0;margin-right:5px}
.bell{font-size:18px;color:#cdbdca;line-height:1}
.nav-cta,.btn-primary{
 background:var(--coral);color:#291d22;border-radius:10px;padding:11px 17px;
 font-size:13px;font-weight:800;transition:.25s ease;display:inline-flex;
 align-items:center;justify-content:center;
}
.nav-cta:hover,.btn-primary:hover{background:#ff8a77;transform:translateY(-2px)}
.btn-secondary{
 display:inline-flex;align-items:center;justify-content:center;padding:10px 17px;
 border:1px solid var(--line);background:var(--white);border-radius:10px;
 font-size:13px;font-weight:750;transition:.25s ease;
}
.btn-secondary:hover{border-color:var(--plum);color:var(--plum);transform:translateY(-2px)}
.menu-btn{display:none;background:none;color:white;font-size:24px}
.hero{
 padding:68px 0 54px;position:relative;overflow:hidden;
 background:linear-gradient(120deg,#f7f4f1 0%,#f5eff3 58%,#eee4e9 100%);
}
.hero:before{
 content:"";position:absolute;width:420px;height:420px;border-radius:50%;
 right:-150px;top:-190px;background:var(--lilac);opacity:.64;z-index:0;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;position:relative;z-index:1}
.eyebrow,.section-kicker{
 color:var(--plum);font-size:12px;font-weight:900;letter-spacing:.13em;
}
h1{font-size:clamp(34px,5vw,58px);line-height:1.12;letter-spacing:-.055em;margin:13px 0 20px}
.hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 25px}
.hero-notes{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.hero-notes strong{color:var(--ink);font-size:20px;display:block;line-height:1.2}
.release-panel{
 background:var(--ink);color:#fffaf7;border-radius:24px;padding:25px;
 box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.release-panel:after{
 content:"";position:absolute;right:-35px;bottom:-60px;width:180px;height:180px;
 border-radius:50%;border:1px solid rgba(239,114,95,.35);
}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.panel-label{font-size:13px;font-weight:800}
.panel-date{font-size:11px;color:#cdbdca}
.release-core{display:grid;grid-template-columns:126px 1fr;gap:22px;align-items:center}
.count-ring{
 width:126px;height:126px;border-radius:50%;display:grid;place-items:center;
 background:conic-gradient(var(--coral) 0 72%,#5a4655 72% 100%);
 position:relative;
}
.count-ring:before{
 content:"";position:absolute;inset:10px;border-radius:50%;background:var(--ink);
}
.count-text{position:relative;text-align:center;font-weight:900;font-size:27px;line-height:1.05}
.count-text small{display:block;font-size:10px;color:#d5c9d2;font-weight:500;margin-top:5px}
.release-copy h2{font-size:22px;line-height:1.25;margin:0 0 8px}
.release-copy p{font-size:13px;color:#d1c5ce;margin:0}
.dots{display:flex;gap:6px;margin-top:20px}
.dots i{width:22px;height:4px;border-radius:5px;background:#6e5a68}
.dots i.active{background:var(--coral);width:38px}
section{padding:72px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
.section-head h2{font-size:31px;line-height:1.2;letter-spacing:-.035em;margin:7px 0 0}
.section-head p{color:var(--muted);font-size:14px;max-width:570px;margin:0}
.text-link{color:var(--plum);font-size:13px;font-weight:800;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.metrics{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:14px}
.metric{
 background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;
 box-shadow:var(--shadow-sm);
}
.metric:first-child{background:var(--plum-dark);color:#fffaf7}
.metric-label{font-size:12px;color:var(--muted)}
.metric:first-child .metric-label{color:#d7bfd1}
.metric-value{font-size:36px;font-weight:900;letter-spacing:-.05em;line-height:1.2;margin:8px 0 3px}
.metric-note{font-size:12px;color:var(--muted)}
.metric:first-child .metric-note{color:#e5cbdc}
.matrix{display:grid;grid-template-columns:1.22fr .78fr;gap:17px}
.channel-main,.channel-small{
 background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;transition:.25s ease;box-shadow:var(--shadow-sm)
}
.channel-main:hover,.channel-small:hover{transform:translateY(-4px);border-color:#bb8eaf;box-shadow:var(--shadow)}
.cover{
 min-height:255px;position:relative;padding:20px;display:flex;align-items:flex-end;
 background:
 linear-gradient(135deg,rgba(67,38,62,.85),rgba(116,61,104,.42)),
 linear-gradient(45deg,#40303e,#c96b61 58%,#ead1c9);
}
.cover.alt{min-height:112px;background:linear-gradient(135deg,#5f3a58,#b77a86)}
.cover.third{min-height:112px;background:linear-gradient(135deg,#332c3b,#9f5b6c)}
.cover-content{position:relative;color:#fff}
.cover-title{font-size:24px;font-weight:900;line-height:1.2;margin:8px 0}
.cover-sub{font-size:12px;color:#f4e7e9}
.play{
 position:absolute;right:20px;top:20px;width:40px;height:40px;border-radius:50%;
 background:var(--coral);color:var(--ink);display:grid;place-items:center;font-size:15px;
}
.duration{
 position:absolute;right:18px;bottom:17px;padding:4px 7px;border-radius:5px;
 background:rgba(33,28,37,.75);font-size:11px;color:#fff;
}
.channel-body{padding:19px}
.meta-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}
.badge{padding:4px 8px;border-radius:6px;background:var(--lilac);color:var(--plum);font-weight:800;font-size:11px}
.badge.hot{background:#fde0d9;color:#c84e40}
.channel-body .row{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:15px}
.small-list{display:grid;gap:17px}
.channel-small .channel-body{padding:15px}
.mini-title{font-size:15px;font-weight:850;margin:6px 0 2px}
.mini-btn{font-size:12px;color:var(--plum);font-weight:800}
.status-line{
 margin-top:18px;padding:13px 15px;background:#f2e8ee;border-radius:10px;
 color:var(--plum);font-size:12px;font-weight:750;
}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare-card{background:var(--white);border-radius:17px;padding:21px;border:1px solid var(--line)}
.compare-card.highlight{border-color:#c99bbd;background:#fbf5f8}
.compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-weight:800}
.compare-title span{font-size:11px;color:var(--muted);font-weight:500}
.feed-item{display:flex;gap:12px;border-top:1px solid var(--line);padding:13px 0;align-items:center}
.feed-thumb{width:54px;height:42px;border-radius:8px;flex:0 0 auto;background:#d8c3d3}
.feed-thumb.dark{background:#72536d}
.feed-item h4{font-size:13px;line-height:1.35;margin:0}
.feed-meta{font-size:11px;color:var(--muted);margin-top:3px}
.feed-meta b{color:var(--plum)}
.steps{
 display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.step{padding:23px;background:var(--paper-deep);border-radius:17px;border:1px solid var(--line)}
.step-num{color:var(--coral-dark);font-size:12px;font-weight:900}
.step h3{font-size:17px;margin:11px 0 6px}
.step p{font-size:13px;color:var(--muted);margin:0}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
 width:100%;min-height:58px;padding:16px 3px;background:none;color:var(--ink);
 display:flex;justify-content:space-between;align-items:center;text-align:left;font-weight:800;
}
.faq-question span:last-child{font-size:21px;color:var(--plum);transition:.25s}
.faq-question:hover{color:var(--plum)}
.faq-question:focus-visible{outline:3px solid rgba(239,114,95,.3);outline-offset:3px}
.faq-answer{display:none;padding:0 35px 17px 3px;color:var(--muted);font-size:13px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--coral-dark)}
.cta{
 background:var(--plum-dark);color:#fffaf7;border-radius:22px;padding:34px;
 display:grid;grid-template-columns:1fr .85fr;gap:35px;align-items:center;
}
.cta h2{font-size:30px;line-height:1.25;margin:8px 0 10px}
.cta p{color:#d9cbd4;font-size:14px;margin:0;max-width:570px}
.form{display:grid;gap:11px}
.form input,.form select{
 width:100%;background:#fffaf7;border:2px solid transparent;border-radius:9px;
 padding:12px 13px;color:var(--ink);outline:none;
}
.form input:focus,.form select:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(239,114,95,.2)}
.form .btn-primary{justify-self:start}
.form-note{font-size:11px;color:#cdbdca;margin:0}
.notice{margin-top:14px;font-size:11px;color:#d9cbd4}
footer{background:var(--ink);color:#d3c7d0;padding:35px 0 25px}
.footer-top{display:flex;justify-content:space-between;gap:30px}
.footer-brand{color:#fffaf7;font-weight:850;font-size:16px}
.footer-brand p{color:#a99ca7;font-size:12px;font-weight:400;max-width:370px;margin:8px 0 0}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;align-items:flex-start}
.footer-links a{font-size:12px;color:#d3c7d0;transition:.2s}
.footer-links a:hover{color:var(--coral)}
.copyright{
 border-top:1px solid rgba(255,255,255,.12);margin-top:27px;padding-top:17px;
 display:flex;justify-content:space-between;gap:15px;color:#958895;font-size:11px;
}
@media(max-width:1024px){
 .nav{gap:15px}.brand{min-width:230px}.nav-links a{padding:8px 8px;font-size:12px}
 .hero-grid{gap:30px}.matrix{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav{min-height:68px;justify-content:space-between}.brand{min-width:0}
 .brand-name{font-size:13px;max-width:190px}.nav-links{
  display:none;position:absolute;left:16px;right:16px;top:67px;padding:12px;
  background:var(--ink);border:1px solid #514551;border-radius:12px;flex-direction:column;align-items:stretch;
 }
 .nav-links.open{display:flex}.nav-links a{padding:12px}.nav-tools{margin-left:auto}
 .nav-tools .bell,.nav-tools .nav-cta{display:none}.menu-btn{display:block}
 .hero{padding:49px 0 38px}.hero-grid{grid-template-columns:1fr}
 h1{font-size:39px}.hero-copy{font-size:15px}
 section{padding:52px 0}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:8px}
 .section-head .text-link{display:inline-block;margin-top:13px}
 .metrics{grid-template-columns:1fr 1fr}.metric:first-child{grid-column:span 2}
 .compare-grid,.cta{grid-template-columns:1fr}.cta{padding:27px}
 .steps{grid-template-columns:1fr}
 .footer-top{display:block}.footer-links{margin-top:22px}.copyright{display:block}.copyright span{display:block;margin-top:5px}
}
@media(max-width:520px){
 .brand-mark{width:30px;height:30px;font-size:15px}.brand-name{font-size:12px;max-width:172px}
 .release-core{grid-template-columns:94px 1fr;gap:14px}.count-ring{width:94px;height:94px}.count-text{font-size:21px}
 .release-copy h2{font-size:17px}.release-copy p{font-size:12px}
 .metrics{grid-template-columns:1fr}.metric:first-child{grid-column:auto}.metric-value{font-size:31px}
 .cover{min-height:220px}.cta h2{font-size:25px}.hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
 .compare-card{padding:17px}.faq-question{font-size:14px}
}

/* roulang page: category2 */
:root{
 --ink:#211c25;--ink-soft:#403845;--paper:#f7f4f1;--paper-deep:#ece7e5;
 --white:#fffdfb;--plum:#743d68;--plum-dark:#43263e;--coral:#ef725f;
 --coral-dark:#d95749;--lilac:#e5d7e2;--muted:#817881;--line:#ded6d5;
 --shadow:0 18px 50px rgba(58,37,50,.10);--shadow-sm:0 8px 22px rgba(58,37,50,.08);
 --radius:20px;--radius-sm:12px;--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
.topbar{background:var(--ink);color:#fffaf7;border-bottom:1px solid rgba(255,255,255,.12);position:sticky;top:0;z-index:20}
.nav{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:260px}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--coral);display:grid;place-items:center;color:var(--ink);font-weight:900;font-size:17px}
.brand-name{font-size:15px;font-weight:800;line-height:1.25;letter-spacing:.01em}
.brand-name small{display:block;color:#c8bbc5;font-size:10px;font-weight:500;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:5px;flex:1}
.nav-links a{color:#d8cfd7;padding:9px 13px;border-radius:9px;font-size:13px;transition:.25s ease;position:relative;white-space:nowrap}
.nav-links a:hover,.nav-links a:focus{background:#362d37;color:#fff}
.nav-links a.active{background:rgba(239,114,95,.14);color:#ff9b89}
.nav-links a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--coral);border-radius:2px}
.nav-tools{display:flex;align-items:center;gap:13px;white-space:nowrap}
.online{font-size:12px;color:#cfc3cc}
.online i{display:inline-block;width:7px;height:7px;background:#8dd19b;border-radius:50%;margin-right:6px;box-shadow:0 0 0 3px rgba(141,209,155,.12)}
.bell{font-size:18px;color:#d8cfd7;transform:rotate(180deg);display:inline-block}
.nav-cta,.btn-primary{background:var(--coral);color:#291d22;border-radius:10px;padding:11px 17px;font-size:13px;font-weight:800;transition:.25s ease;display:inline-flex;align-items:center;justify-content:center}
.nav-cta:hover,.btn-primary:hover{background:#ff8a77;transform:translateY(-2px)}
.menu-btn{display:none;background:none;color:white;font-size:24px}
.hero{padding:68px 0 54px;background:var(--paper);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-150px;top:-170px;background:var(--lilac);opacity:.55;z-index:0}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:52px;align-items:stretch;position:relative;z-index:1}
.eyebrow,.section-kicker{color:var(--plum);font-size:12px;font-weight:900;letter-spacing:.13em}
h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-.055em;margin:14px 0 20px;max-width:700px}
.hero-copy{font-size:17px;color:var(--ink-soft);max-width:650px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:29px 0 27px}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:10px 17px;border:1px solid var(--line);background:var(--white);border-radius:10px;font-size:13px;font-weight:750;transition:.25s ease}
.btn-secondary:hover{border-color:var(--plum);color:var(--plum);transform:translateY(-2px)}
.hero-notes{display:flex;gap:21px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.hero-notes strong{color:var(--ink);font-size:20px;display:block;line-height:1.2}
.cover-panel{min-height:350px;border-radius:24px;overflow:hidden;position:relative;background:#302432;border:1px solid #594451;box-shadow:var(--shadow)}
.cover-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#4a2c48 0%,#241d28 58%,#9b4d5b 100%)}
.cover-panel:after{content:"";position:absolute;width:230px;height:310px;right:35px;top:28px;border:1px solid rgba(255,255,255,.2);border-radius:120px 120px 20px 20px;transform:rotate(8deg);background:linear-gradient(145deg,rgba(239,114,95,.38),rgba(116,61,104,.1))}
.cover-content{position:absolute;inset:0;padding:26px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;z-index:1}
.cover-top{display:flex;justify-content:space-between;align-items:center;font-size:12px}
.cover-label{padding:5px 9px;border-radius:6px;background:var(--coral);color:var(--ink);font-weight:900}
.play{width:58px;height:58px;border-radius:50%;background:#fffaf7;color:var(--plum);display:grid;place-items:center;font-size:22px;padding-left:4px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.cover-title{font-size:27px;line-height:1.25;font-weight:850;max-width:330px}
.cover-bottom{display:flex;justify-content:space-between;gap:12px;color:#ded2db;font-size:12px}
section{padding:72px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}
.section-head h2{font-size:31px;line-height:1.2;letter-spacing:-.035em;margin:7px 0 0}
.section-head p{color:var(--muted);font-size:14px;max-width:570px;margin:0}
.text-link{color:var(--plum);font-size:13px;font-weight:800;white-space:nowrap}
.text-link:hover{text-decoration:underline}
.metrics{background:var(--ink);color:#fffaf7;padding:20px;border-radius:var(--radius);display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:1px;box-shadow:var(--shadow)}
.metric{padding:20px 24px;border-right:1px solid rgba(255,255,255,.12)}
.metric:last-child{border:0}
.metric strong{display:block;font-size:34px;line-height:1.1;color:#fff}
.metric span{display:block;color:#cfc2cb;font-size:12px;margin-top:7px}
.metric em{font-style:normal;color:#ff9b89;font-size:11px}
.channel-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.channel-main,.channel-small{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s ease;box-shadow:var(--shadow-sm)}
.channel-main:hover,.channel-small:hover{transform:translateY(-4px);border-color:#bb8eaf;box-shadow:var(--shadow)}
.channel-visual{height:255px;background:linear-gradient(135deg,#5a3758,#e07b6c 70%,#f3b08e);position:relative;padding:18px}
.channel-visual.alt{background:linear-gradient(135deg,#352538,#81506f 60%,#d97063)}
.channel-visual .duration{position:absolute;right:16px;bottom:15px;background:rgba(33,28,37,.82);color:#fff;padding:4px 7px;border-radius:5px;font-size:11px}
.channel-body{padding:19px}
.meta-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}
.badge{padding:4px 8px;border-radius:6px;background:var(--lilac);color:var(--plum);font-weight:800;font-size:11px}
.badge.hot{background:#fde0d9;color:#c84e40}
.channel-body h3{margin:13px 0 5px;font-size:21px}
.channel-body p{margin:0;color:var(--muted);font-size:13px}
.channel-body .row{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:15px}
.mini-btn{font-size:12px;color:var(--plum);font-weight:800}
.small-list{display:grid;gap:18px}
.channel-small{display:grid;grid-template-columns:108px 1fr;min-height:137px}
.channel-small .thumb{background:linear-gradient(145deg,#9b5e75,#ed9a80);position:relative}
.channel-small:nth-child(2) .thumb{background:linear-gradient(145deg,#463052,#b87391)}
.channel-small .channel-body{padding:15px}
.channel-small h3{font-size:16px;margin:9px 0 3px}
.channel-small p{font-size:12px;line-height:1.5}
.filter-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 18px;padding:12px;background:var(--paper-deep);border-radius:12px}
.filter{border:1px solid transparent;border-radius:8px;padding:7px 12px;background:transparent;color:var(--muted);font-size:12px}
.filter:hover,.filter.active{background:var(--white);border-color:var(--line);color:var(--plum);font-weight:800}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare-card{background:var(--white);border-radius:17px;padding:21px;border:1px solid var(--line)}
.compare-card.highlight{border-color:#c99bbd;background:#fbf5f8}
.compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-weight:800}
.compare-title span{font-size:11px;color:var(--muted);font-weight:500}
.feed-item{display:flex;gap:12px;border-top:1px solid var(--line);padding:13px 0;align-items:center}
.feed-thumb{width:70px;height:49px;border-radius:7px;background:linear-gradient(135deg,#d38a83,#704668);flex:0 0 auto}
.feed-item h4{font-size:13px;line-height:1.35;margin:0}
.feed-meta{font-size:11px;color:var(--muted);margin-top:3px}
.feed-meta b{color:var(--plum)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{padding:22px;background:var(--white);border-top:3px solid var(--coral);box-shadow:var(--shadow-sm)}
.step-no{color:var(--coral);font-weight:900;font-size:13px}
.step h3{font-size:18px;margin:9px 0 6px}
.step p{font-size:13px;color:var(--muted);margin:0}
.faq-list{max-width:850px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:none;padding:19px 4px;color:var(--ink);font-weight:800}
.faq-q:hover,.faq-q:focus{color:var(--plum);outline:3px solid rgba(239,114,95,.18);outline-offset:2px}
.faq-a{display:none;color:var(--muted);font-size:13px;padding:0 36px 18px 4px}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q{color:var(--plum)}
.cta{background:var(--plum-dark);color:#fffaf7;border-radius:24px;padding:38px;display:grid;grid-template-columns:1fr .9fr;gap:38px;align-items:center}
.cta h2{font-size:31px;line-height:1.2;margin:8px 0 12px}
.cta p{color:#d7c8d2;font-size:14px;margin:0;max-width:530px}
.form{display:grid;gap:11px}
.form input,.form select,.form textarea{width:100%;background:#fffaf7;border:2px solid transparent;border-radius:9px;padding:12px 13px;color:var(--ink);outline:none}
.form textarea{min-height:86px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(239,114,95,.2)}
.form .btn-primary{justify-self:start}
.form-note{font-size:11px;color:#cdbdca}
footer{background:var(--ink);color:#d3c7d0;padding:35px 0 25px}
.footer-top{display:flex;justify-content:space-between;gap:30px}
.footer-brand{font-size:16px;font-weight:850}
.footer-brand p{font-size:12px;font-weight:400;color:#a99ba7;max-width:410px;margin:8px 0 0}
.footer-links{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap;font-size:12px}
.footer-links a:hover{color:#ff9b89}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:27px;padding-top:16px;display:flex;justify-content:space-between;gap:15px;color:#968994;font-size:11px}
@media(max-width:1024px){
 .nav{gap:15px}.brand{min-width:235px}.nav-links a{padding:8px 8px;font-size:12px}
 .hero-grid{gap:30px}.channel-layout{grid-template-columns:1fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav{min-height:68px}.brand{min-width:0;flex:1}.brand-name{font-size:13px}.brand-name small{font-size:9px}
 .nav-links{display:none;position:absolute;left:16px;right:16px;top:72px;background:var(--ink);padding:12px;flex-direction:column;align-items:stretch;border:1px solid #4b3d49;border-radius:12px;box-shadow:var(--shadow)}
 .nav-links.open{display:flex}.nav-links a{padding:12px}.nav-tools{gap:9px}.bell,.nav-cta{display:none}.menu-btn{display:block}
 .hero{padding:48px 0 38px}.hero-grid{grid-template-columns:1fr}.cover-panel{min-height:300px}
 section{padding:54px 0}.section-head{display:block}.section-head h2{font-size:27px}.section-head p{margin-top:10px}
 .metrics{grid-template-columns:1fr 1fr}.metric:first-child{grid-column:span 2}.metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
 .compare-grid,.cta{grid-template-columns:1fr}.steps{grid-template-columns:1fr}
}
@media(max-width:520px){
 h1{font-size:37px}.hero-copy{font-size:15px}.hero-actions a{width:100%}.metrics{grid-template-columns:1fr}.metric:first-child{grid-column:auto}
 .channel-small{grid-template-columns:88px 1fr}.channel-visual{height:210px}.cta{padding:25px 20px}.cta h2{font-size:26px}
 .footer-top,.copyright{display:block}.footer-links{margin-top:22px}.copyright span{display:block;margin-top:6px}
}