/* roulang page: index */
:root{
      --bg:#17151b;
      --bg-soft:#211e26;
      --panel:#29252e;
      --panel-light:#322d37;
      --text:#f7f2ee;
      --muted:#b9afb8;
      --faint:#817681;
      --line:rgba(255,255,255,.12);
      --brand:#d86a72;
      --brand-2:#9b4778;
      --success:#9ad1af;
      --warn:#f2c582;
      --focus:#f5b0a5;
      --radius-xl:30px;
      --radius-lg:22px;
      --shadow:0 18px 55px rgba(0,0,0,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.7;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,21,27,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .nav-shell{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#f4ad82);box-shadow:0 0 0 5px rgba(216,106,114,.12)}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-link{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{height:42px;display:flex;align-items:center;gap:9px;padding:0 12px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.055);color:var(--muted)}
    .command-search input{width:130px;border:0;outline:0;background:transparent;color:var(--text);font-size:13px}
    .command-search input::placeholder{color:var(--faint)}
    .shortcut{padding:2px 6px;border:1px solid var(--line);border-radius:6px;color:var(--faint);font-size:11px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:13px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 25px rgba(155,71,120,.28)}
    .btn-primary:hover{box-shadow:0 12px 30px rgba(155,71,120,.42)}
    .btn-ghost{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text)}
    .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24)}
    .menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text)}
    .hero{padding:86px 0 76px;position:relative}
    .hero:before{content:"";position:absolute;top:35px;left:5%;width:420px;height:300px;background:radial-gradient(circle,rgba(155,71,120,.28),transparent 68%);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#f0b6a4;font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:25px;height:1px;background:var(--brand)}
    h1{font-size:clamp(42px,6vw,70px);line-height:1.12;letter-spacing:-.065em;margin:20px 0 24px;max-width:730px}
    .hero-copy{max-width:610px;color:var(--muted);font-size:17px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .badge{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;background:rgba(255,255,255,.035)}
    .badge-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}
    .index-panel{position:relative;padding:25px;border:1px solid rgba(242,197,130,.22);border-radius:var(--radius-xl);background:linear-gradient(145deg,#332b35,#242129 70%);box-shadow:var(--shadow);overflow:hidden}
    .index-panel:after{content:"";position:absolute;right:-70px;top:-80px;width:240px;height:240px;border-radius:50%;background:linear-gradient(135deg,rgba(216,106,114,.3),rgba(155,71,120,.02));}
    .panel-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1;margin-bottom:34px}
    .panel-label{color:var(--muted);font-size:13px}
    .live{color:var(--success);font-size:12px}
    .live:before{content:"";display:inline-block;width:7px;height:7px;margin-right:6px;border-radius:50%;background:var(--success)}
    .panel-main{position:relative;z-index:1;padding:24px;border:1px solid var(--line);border-radius:20px;background:rgba(0,0,0,.18)}
    .panel-index{color:#f0b6a4;font-size:12px}
    .panel-main h2{font-size:26px;line-height:1.3;margin:9px 0 12px;letter-spacing:-.04em}
    .panel-main p{margin:0;color:var(--muted);font-size:14px}
    .panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
    .panel-stat{padding:14px 12px;border-top:1px solid var(--line)}
    .panel-stat strong{display:block;font-size:22px;line-height:1.2}
    .panel-stat span{display:block;margin-top:3px;color:var(--faint);font-size:11px}
    .section{padding:82px 0}
    .section-dark{background:var(--bg-soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-kicker{color:#e9a28e;font-size:12px;font-weight:800;letter-spacing:.12em}
    h2{margin:8px 0 0;font-size:clamp(29px,4vw,44px);line-height:1.2;letter-spacing:-.05em}
    .section-intro{max-width:540px;color:var(--muted);font-size:15px}
    .pain-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
    .pain-card,.feature-card,.quote-card,.faq-item{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:.25s}
    .pain-card:hover,.feature-card:hover,.quote-card:hover{transform:translateY(-4px);border-color:rgba(216,106,114,.55);box-shadow:0 14px 32px rgba(0,0,0,.16)}
    .pain-card{min-height:190px;padding:25px}
    .pain-card.large{background:linear-gradient(135deg,#302631,#29252e)}
    .number{color:#e9a28e;font-size:12px;font-weight:800}
    .pain-card h3,.feature-card h3{margin:30px 0 8px;font-size:20px;letter-spacing:-.03em}
    .pain-card p,.feature-card p{margin:0;color:var(--muted);font-size:14px}
    .solution-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:stretch}
    .solution-intro{padding:30px;border-radius:var(--radius-xl);background:linear-gradient(145deg,var(--brand-2),#513048);display:flex;flex-direction:column;justify-content:space-between}
    .solution-intro h3{font-size:32px;line-height:1.25;margin:0;letter-spacing:-.05em}
    .solution-intro p{color:#ead9df;font-size:14px}
    .solution-list{display:grid;gap:12px}
    .feature-card{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:18px;padding:20px 22px}
    .feature-no{display:grid;place-items:center;width:52px;height:52px;border-radius:17px;background:rgba(216,106,114,.13);color:#f0aa98;font-size:13px;font-weight:800}
    .feature-card h3{margin:0 0 4px;font-size:17px}
    .arrow{color:#e9a28e;font-size:20px}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;background:var(--panel)}
    .metric{padding:27px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{font-size:34px;letter-spacing:-.06em}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .metric small{display:inline-block;margin-top:14px;color:var(--success);font-size:11px}
    .collections{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .collection{min-height:240px;padding:27px;border:1px solid var(--line);border-radius:var(--radius-xl);position:relative;overflow:hidden;background:var(--panel)}
    .collection:first-child{background:linear-gradient(135deg,#382a35,#29252e)}
    .collection:nth-child(2){background:linear-gradient(135deg,#2d3033,#29252e)}
    .collection h3{font-size:25px;margin:38px 0 9px;letter-spacing:-.04em}
    .collection p{color:var(--muted);font-size:14px;max-width:390px}
    .collection-foot{display:flex;align-items:center;justify-content:space-between;margin-top:23px;font-size:13px;color:#eab19d}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote-card{padding:25px}
    .quote-mark{font-size:34px;color:#e9a28e;line-height:1}
    .quote-card p{min-height:92px;color:#ddd2d7;font-size:15px}
    .quote-meta{padding-top:16px;border-top:1px solid var(--line);color:var(--faint);font-size:12px}
    .faq-wrap{max-width:860px;margin:auto}
    .faq-item{margin-bottom:10px;overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 23px;border:0;background:transparent;color:var(--text);text-align:left;font-weight:700}
    .faq-question span:last-child{color:#e9a28e;font-size:22px;transition:.2s}
    .faq-answer{max-height:0;overflow:hidden;padding:0 23px;color:var(--muted);font-size:14px;transition:max-height .3s,padding .3s}
    .faq-item.open .faq-answer{max-height:160px;padding:0 23px 21px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:52px;border-radius:var(--radius-xl);background:linear-gradient(110deg,#8d3d67,#d16b69 68%,#d98f73);display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin:0;max-width:590px}
    .cta p{margin:12px 0 0;color:#f4dce0;font-size:14px}
    .cta .btn{background:#fff;color:#5b3049}
    .site-footer{padding:44px 0 28px;background:#121116;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:36px}
    .footer-title{margin:0 0 14px;color:var(--text);font-size:14px;font-weight:800}
    .footer-text,.footer-link{color:var(--faint);font-size:13px}
    .footer-text{max-width:260px}
    .footer-link{display:block;margin:8px 0;transition:.2s}
    .footer-link:hover{color:#f0aa98}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid var(--line);color:var(--faint);font-size:12px}
    .age-notice{position:fixed;inset:auto 20px 20px auto;z-index:30;width:min(380px,calc(100% - 40px));padding:18px 20px;border:1px solid rgba(242,197,130,.28);border-radius:18px;background:#28232b;box-shadow:var(--shadow);font-size:13px}
    .age-notice strong{display:block;margin-bottom:5px}
    .age-notice p{margin:0 0 12px;color:var(--muted)}
    .age-actions{display:flex;gap:8px}
    .age-actions button{padding:7px 12px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--text);font-size:12px}
    .age-actions button:first-child{background:var(--brand);border-color:var(--brand)}
    .mobile-panel{display:none}
    @media(max-width:980px){
      .nav-links{display:none}.nav-tools .command-search{display:none}.menu-button{display:block}.nav-shell{justify-content:space-between}
      .hero-grid{grid-template-columns:1fr;gap:42px}.hero{padding-top:65px}
      .pain-grid{grid-template-columns:1fr 1fr}.pain-card.large{grid-column:span 2}
      .footer-grid{grid-template-columns:2fr 1fr 1fr}
    }
    @media(max-width:680px){
      .container{width:min(100% - 32px,1180px)}.nav-shell{height:68px}.logo{font-size:14px}
      .mobile-panel{position:absolute;top:68px;left:0;right:0;padding:15px 16px 20px;background:#211e26;border-bottom:1px solid var(--line)}
      .mobile-panel.show{display:block}.mobile-panel a{display:block;padding:12px 8px;color:var(--muted);border-bottom:1px solid var(--line)}
      h1{font-size:42px}.hero-copy{font-size:15px}.hero-actions .btn{flex:1 1 145px}
      .section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:13px}
      .pain-grid,.solution-grid,.collections{grid-template-columns:1fr}.pain-card.large{grid-column:auto}.pain-card{min-height:155px}
      .feature-card{grid-template-columns:48px 1fr auto;padding:17px}.feature-no{width:44px;height:44px}
      .metric-strip{grid-template-columns:1fr 1fr}.metric{padding:20px 16px;border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.metric:nth-child(3),.metric:nth-child(4){border-bottom:0}.metric strong{font-size:28px}
      .quote-grid{grid-template-columns:1fr}.quote-card p{min-height:0}.cta{display:block;padding:30px 24px}.cta .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:span 2}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --bg:#17151b;
      --bg-soft:#211e26;
      --panel:#29252e;
      --panel-light:#322d37;
      --text:#f7f2ee;
      --muted:#b9afb8;
      --faint:#817681;
      --line:rgba(255,255,255,.12);
      --brand:#d86a72;
      --brand-2:#9b4778;
      --success:#9ad1af;
      --warn:#f2c582;
      --focus:#f5b0a5;
      --radius-xl:30px;
      --radius-lg:22px;
      --shadow:0 18px 55px rgba(0,0,0,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.7;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    button:disabled{cursor:not-allowed;opacity:.45}
    :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(23,21,27,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .nav-shell{height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;letter-spacing:-.03em}
    .logo-mark{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#f4ad82);box-shadow:0 0 0 5px rgba(216,106,114,.12)}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-link{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.08)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .command-search{height:42px;display:flex;align-items:center;gap:9px;padding:0 12px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.055);color:var(--muted)}
    .command-search input{width:130px;border:0;outline:0;background:transparent;color:var(--text);font-size:13px}
    .command-search input::placeholder{color:var(--faint)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:13px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 25px rgba(155,71,120,.28)}
    .btn-primary:hover{box-shadow:0 12px 30px rgba(155,71,120,.42)}
    .btn-ghost{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text)}
    .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24)}
    .menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text)}
    .page-hero{padding:76px 0 58px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;right:-100px;top:15px;width:430px;height:300px;background:radial-gradient(circle,rgba(216,106,114,.2),transparent 68%);pointer-events:none}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--faint);font-size:13px;margin-bottom:25px}
    .breadcrumb a:hover{color:var(--text)}
    .eyebrow,.section-kicker{color:#e9a28e;font-size:12px;font-weight:800;letter-spacing:.12em}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5.2vw,62px);line-height:1.13;letter-spacing:-.055em;margin-bottom:20px;max-width:790px}
    h2{font-size:clamp(28px,3vw,40px);line-height:1.2;letter-spacing:-.045em;margin-bottom:12px}
    .hero-summary{max-width:650px;color:var(--muted);font-size:17px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .badge{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;background:rgba(255,255,255,.035)}
    .badge-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}
    .section{padding:76px 0}
    .section-dark{background:var(--bg-soft)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section-intro{max-width:550px;color:var(--muted);font-size:15px}
    .filter-panel{padding:18px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);box-shadow:var(--shadow)}
    .filter-row{display:flex;gap:12px;align-items:center}
    .search-field{height:48px;display:flex;align-items:center;gap:10px;flex:1;padding:0 15px;border:1px solid var(--line);border-radius:13px;background:rgba(0,0,0,.18);color:var(--muted)}
    .search-field input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}
    .search-field input::placeholder{color:var(--faint)}
    .filter-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}
    .filter-tab{padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font-size:13px;transition:.2s}
    .filter-tab:hover,.filter-tab.active{background:rgba(216,106,114,.14);border-color:rgba(216,106,114,.55);color:var(--text)}
    .feature-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .feature-card,.content-item,.info-card,.faq-item,.cta-box{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:.25s}
    .feature-card:hover,.content-item:hover,.info-card:hover{border-color:rgba(216,106,114,.55);box-shadow:0 14px 32px rgba(0,0,0,.16)}
    .feature-main{min-height:300px;padding:30px;background:linear-gradient(135deg,#382a35,#29252e);position:relative;overflow:hidden}
    .feature-main:before{content:"01";position:absolute;right:28px;top:18px;color:rgba(255,255,255,.08);font-size:100px;font-weight:900;line-height:1}
    .feature-main h3{font-size:29px;max-width:470px;line-height:1.3;margin:58px 0 10px}
    .feature-main p{max-width:520px;color:var(--muted);font-size:14px}
    .feature-side{padding:25px;display:flex;flex-direction:column;justify-content:space-between}
    .feature-side h3{font-size:20px;margin:15px 0 8px}
    .feature-side p{font-size:14px;color:var(--muted)}
    .status-line{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
    .status-line strong{color:var(--text);font-weight:600}
    .content-stream{display:grid;gap:12px}
    .content-item{display:grid;grid-template-columns:74px 1fr auto;gap:20px;align-items:center;padding:19px 22px}
    .item-index{width:58px;height:58px;border-radius:17px;display:grid;place-items:center;background:rgba(216,106,114,.13);color:#f0aa98;font-weight:800;font-size:13px}
    .item-title{font-size:18px;font-weight:750;margin-bottom:4px}
    .item-summary{color:var(--muted);font-size:13px;margin:0}
    .item-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
    .item-action{color:#e9a28e;font-size:13px;font-weight:700;white-space:nowrap}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .metric{padding:22px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}
    .metric strong{display:block;font-size:29px;letter-spacing:-.04em}
    .metric span{color:var(--muted);font-size:13px}
    .faq-wrap{max-width:850px}
    .faq-item{margin-bottom:10px;overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:19px 22px;border:0;background:transparent;color:var(--text);text-align:left;font-weight:700}
    .faq-icon{color:#e9a28e;font-size:22px;transition:transform .2s}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta-box{padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:linear-gradient(120deg,#382a35,#29252e)}
    .cta-box p{color:var(--muted);max-width:590px;margin:0}
    .site-footer{padding:58px 0 25px;background:#121116;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer-text{display:block;color:var(--faint);font-size:13px;max-width:285px}
    .footer-title{font-size:14px;margin:0 0 14px}
    .footer-link{display:block;color:var(--muted);font-size:13px;margin:8px 0;transition:.2s}
    .footer-link:hover{color:#f0aa98}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:20px;border-top:1px solid var(--line);color:var(--faint);font-size:12px}
    .age-note{margin-top:18px;padding:14px 16px;border-left:2px solid var(--warn);background:rgba(242,197,130,.06);color:var(--muted);font-size:13px}
    @media(max-width:980px){
      .nav-shell{gap:15px}.command-search input{width:95px}
      .feature-layout{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(100% - 40px,600px)}
      .nav-shell{height:68px}.nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-link{padding:12px 14px}.nav-tools .command-search,.nav-tools .btn-primary{display:none}.menu-button{display:block}
      .page-hero{padding:55px 0 42px}.section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .filter-row{display:block}.filter-row .btn{width:100%;margin-top:12px}
      .content-item{grid-template-columns:52px 1fr;gap:14px}.item-index{width:52px;height:52px}.item-action{grid-column:2}
      .cta-box{display:block;padding:28px 24px}.cta-box .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:480px){
      h1{font-size:38px}.hero-summary{font-size:15px}.hero-meta{gap:7px}
      .metrics{grid-template-columns:1fr 1fr}.metric{padding:16px}.metric strong{font-size:24px}
      .feature-main{padding:23px}.feature-main h3{font-size:24px;margin-top:50px}
      .footer-grid{grid-template-columns:1fr}.content-item{padding:16px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category2 */
:root{
 --bg:#17151b;
 --bg-soft:#211e26;
 --panel:#29252e;
 --panel-light:#322d37;
 --text:#f7f2ee;
 --muted:#b9afb8;
 --faint:#817681;
 --line:rgba(255,255,255,.12);
 --brand:#d86a72;
 --brand-2:#9b4778;
 --success:#9ad1af;
 --warn:#f2c582;
 --focus:#f5b0a5;
 --radius-xl:30px;
 --radius-lg:22px;
 --shadow:0 18px 55px rgba(0,0,0,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.7;overflow-x:hidden}
body:focus-within{scroll-behavior:smooth}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.5}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(23,21,27,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav-shell{height:78px;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;letter-spacing:-.03em}
.logo-mark{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#f4ad82);box-shadow:0 0 0 5px rgba(216,106,114,.12)}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-link{padding:9px 13px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.08)}
.nav-link:focus-visible,.footer-link:focus-visible,.logo:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
.nav-tools{display:flex;align-items:center;gap:10px}
.command-search{height:42px;display:flex;align-items:center;gap:9px;padding:0 12px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.055);color:var(--muted)}
.command-search:focus-within{border-color:var(--focus);box-shadow:0 0 0 3px rgba(245,176,165,.12)}
.command-search input{width:130px;border:0;outline:0;background:transparent;color:var(--text);font-size:13px}
.command-search input::placeholder{color:var(--faint)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:13px;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 25px rgba(155,71,120,.28)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(155,71,120,.42)}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24)}
.menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text)}
.hero{padding:78px 0 58px;position:relative}
.hero:before{content:"";position:absolute;top:20px;right:8%;width:420px;height:280px;background:radial-gradient(circle,rgba(155,71,120,.28),transparent 68%);pointer-events:none}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--faint);font-size:13px;margin-bottom:25px}
.breadcrumb a:hover{color:var(--text)}
.hero-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#f0b6a4;font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:25px;height:1px;background:var(--brand)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(38px,5vw,62px);line-height:1.1;letter-spacing:-.065em;margin:18px 0 20px}
h2{font-size:clamp(28px,3vw,40px);line-height:1.2;letter-spacing:-.05em;margin-bottom:12px}
h3{line-height:1.3;letter-spacing:-.035em}
.hero-copy{max-width:600px;color:var(--muted);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.promo-panel{position:relative;overflow:hidden;padding:28px;border:1px solid rgba(240,166,150,.35);border-radius:var(--radius-xl);background:linear-gradient(135deg,#382832,#29252e 62%,#29252e);box-shadow:var(--shadow)}
.promo-panel:after{content:"";position:absolute;width:170px;height:170px;right:-55px;top:-65px;border:1px solid rgba(255,255,255,.14);border-radius:50%}
.sticker{position:absolute;right:24px;top:22px;display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:#efad8f;color:#351f29;font-size:12px;font-weight:900;line-height:1.25;text-align:center;transform:rotate(8deg);box-shadow:0 8px 22px rgba(0,0,0,.2)}
.promo-label{color:#f0b6a4;font-size:12px;font-weight:800;letter-spacing:.1em}
.promo-panel h2{max-width:390px;font-size:27px;margin:14px 100px 12px 0}
.promo-panel p{max-width:440px;color:var(--muted);font-size:14px}
.index-line{display:flex;align-items:center;gap:13px;padding:15px 0;border-top:1px solid var(--line);font-size:13px}
.index-line:last-child{padding-bottom:0}
.index-number{color:#e9a28e;font-weight:800;min-width:27px}
.badge{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;background:rgba(255,255,255,.035)}
.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}
.badge-warn .badge-dot{background:var(--warn)}
.section{padding:78px 0}
.section-dark{background:var(--bg-soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
.section-kicker{color:#e9a28e;font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:8px}
.section-intro{max-width:540px;color:var(--muted);font-size:15px}
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px;border:1px solid var(--line);border-radius:20px;background:var(--panel);margin-bottom:26px}
.search-field{flex:1 1 250px;display:flex;align-items:center;gap:10px;min-height:46px;padding:0 14px;border:1px solid var(--line);border-radius:13px;background:rgba(0,0,0,.14);color:var(--muted)}
.search-field:focus-within{border-color:var(--focus);box-shadow:0 0 0 3px rgba(245,176,165,.12)}
.search-field input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}
.search-field input::placeholder{color:var(--faint)}
.filter-scroll{display:flex;gap:8px;overflow:auto;scrollbar-width:none}
.filter-scroll::-webkit-scrollbar{display:none}
.filter-chip{white-space:nowrap;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.035);color:var(--muted);font-size:13px;transition:.2s}
.filter-chip:hover,.filter-chip.active{background:rgba(216,106,114,.15);border-color:rgba(216,106,114,.55);color:var(--text)}
.update-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:20px}
.feature-card,.update-card,.side-panel,.faq-item{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);transition:.25s}
.feature-card:hover,.update-card:hover,.side-panel:hover{border-color:rgba(216,106,114,.55);box-shadow:0 14px 32px rgba(0,0,0,.16);transform:translateY(-3px)}
.feature-card{padding:28px;background:linear-gradient(135deg,#302631,#29252e)}
.feature-top{display:flex;justify-content:space-between;align-items:center;gap:15px}
.feature-card h3{font-size:26px;margin:35px 0 10px}
.feature-card p,.update-card p,.side-panel p{color:var(--muted);font-size:14px}
.feature-meta{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.update-stream{display:grid;gap:12px}
.update-card{display:grid;grid-template-columns:58px 1fr auto;gap:16px;align-items:center;padding:20px}
.update-index-no{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:rgba(216,106,114,.13);color:#f0aa98;font-weight:800;font-size:13px}
.update-card h3{margin:0 0 5px;font-size:17px}
.update-card p{margin:0;font-size:13px}
.update-arrow{color:#e9a28e;font-size:20px}
.side-panel{padding:24px;height:fit-content}
.side-panel h3{font-size:20px;margin:0 0 15px}
.side-panel ul{list-style:none;padding:0;margin:0}
.side-panel li{display:flex;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}
.side-panel li:last-child{border-bottom:0}
.side-panel strong{color:var(--text);font-weight:700}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.stat-card{padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.stat-value{font-size:30px;font-weight:800;letter-spacing:-.06em}
.stat-label{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.stat-note{display:block;color:var(--faint);font-size:11px;margin-top:12px}
.faq-wrap{max-width:860px;margin:auto}
.faq-item{margin-bottom:10px;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 23px;border:0;background:transparent;color:var(--text);text-align:left;font-weight:700}
.faq-question span:last-child{color:#e9a28e;font-size:22px;transition:transform .2s}
.faq-answer{display:none;padding:0 23px 20px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{padding:68px 0}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:34px 38px;border:1px solid rgba(240,166,150,.3);border-radius:var(--radius-xl);background:linear-gradient(105deg,#3a2935,#29252e 70%)}
.cta-box h2{margin-bottom:7px}
.cta-box p{margin:0;color:var(--muted);font-size:14px}
.site-footer{padding:58px 0 24px;background:#131116;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer-text{display:block;color:var(--faint);font-size:12px;max-width:300px}
.footer-title{margin:0 0 14px;font-size:13px;color:var(--text)}
.footer-link{display:block;margin:8px 0;color:var(--muted);font-size:13px;transition:.2s}
.footer-link:hover{color:#f0aa98}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:18px;border-top:1px solid var(--line);color:var(--faint);font-size:11px}
.mobile-menu{display:none}
@media(max-width:1024px){
 .nav-shell{gap:14px}.nav-links{gap:0}.command-search input{width:90px}
 .hero-layout{gap:30px}.update-layout{grid-template-columns:1fr}.side-panel{display:none}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .nav-shell{height:68px}.nav-links,.nav-tools .command-search,.nav-tools .btn{display:none}.nav-tools{margin-left:auto}.menu-button{display:block}
 .mobile-menu{padding:12px 16px 18px;border-top:1px solid var(--line);background:var(--bg)}
 .mobile-menu.show{display:block}.mobile-menu .nav-link{display:block;margin:3px 0}
 .hero{padding:55px 0 42px}.hero-layout{grid-template-columns:1fr;gap:30px}
 h1{font-size:42px}.hero-copy{font-size:16px}
 .section{padding:58px 0}.section-head{display:block}.section-intro{margin-top:12px}
 .stats{grid-template-columns:repeat(2,1fr)}
 .cta-box{display:block;padding:28px 24px}.cta-box .btn{margin-top:22px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}.footer-grid>div:first-child{grid-column:1/-1}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
}
@media(max-width:480px){
 .container{width:calc(100% - 32px)}h1{font-size:36px}.hero-actions .btn{width:100%}
 .promo-panel{padding:22px}.promo-panel h2{font-size:23px;margin-right:70px}
 .toolbar{padding:11px}.update-card{grid-template-columns:43px 1fr;gap:12px;padding:15px}.update-index-no{width:43px;height:43px}.update-arrow{display:none}
 .stats{gap:9px}.stat-card{padding:16px}.stat-value{font-size:25px}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
 *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
}