/* roulang page: index */
:root{
      --ink:#2c2037;
      --muted:#75687e;
      --soft:#faf7fb;
      --line:#eadfeb;
      --pink:#d84f83;
      --plum:#7745a8;
      --orange:#f28b61;
      --shadow:0 20px 55px rgba(92,53,105,.12);
      --shadow-sm:0 10px 28px rgba(92,53,105,.09);
      --radius:28px;
      --container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--soft);
      font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC",sans-serif;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:absolute;z-index:20;top:0;left:0;width:100%;
      padding:18px 0;transition:.3s ease;
    }
    .site-header.scrolled{
      position:fixed;background:rgba(255,250,253,.92);
      backdrop-filter:blur(18px);box-shadow:0 8px 28px rgba(67,35,76,.1);
      border-bottom:1px solid rgba(234,223,235,.9);
    }
    .nav-shell{
      display:flex;align-items:center;justify-content:space-between;
      min-height:58px;padding:8px 12px 8px 20px;border:1px solid rgba(255,255,255,.46);
      border-radius:20px;background:rgba(255,255,255,.2);backdrop-filter:blur(16px);
    }
    .scrolled .nav-shell{background:transparent;border-color:transparent;backdrop-filter:none}
    .brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{
      width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
      color:white;font-weight:900;background:linear-gradient(135deg,var(--pink),var(--plum));
      box-shadow:0 7px 16px rgba(216,79,131,.3)
    }
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:22px}
    .nav-link{padding:8px 14px;border-radius:12px;font-size:14px;color:#604f68;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--plum);background:rgba(255,255,255,.65)}
    .nav-action,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 19px;border-radius:14px;color:white;font-weight:700;
      background:linear-gradient(110deg,var(--pink),var(--plum));box-shadow:0 10px 22px rgba(119,69,168,.2);
      transition:.2s ease;border:0
    }
    .nav-action:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(119,69,168,.3)}
    .btn-primary:active,.nav-action:active{transform:translateY(0)}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;
      border:1px solid var(--line);border-radius:14px;color:var(--plum);font-weight:700;background:#fff;
      transition:.2s ease
    }
    .btn-secondary:hover{border-color:#c9a9d5;background:#fff8fc;transform:translateY(-2px)}
    :is(a,button,input,textarea):focus-visible{outline:3px solid rgba(242,139,97,.5);outline-offset:3px}
    .mobile-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}
    .hero{
      position:relative;overflow:hidden;padding:148px 0 76px;
      background:
        radial-gradient(circle at 88% 18%,rgba(255,255,255,.75),transparent 23%),
        linear-gradient(120deg,#fbe8f0 0%,#efe5f8 52%,#fff0e8 100%);
    }
    .hero::before,.hero::after{content:"";position:absolute;border:1px solid rgba(119,69,168,.1);border-radius:50%}
    .hero::before{width:620px;height:620px;right:-210px;top:70px}
    .hero::after{width:390px;height:390px;left:-220px;bottom:-260px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center}
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
      color:var(--plum);background:rgba(255,255,255,.68);border:1px solid rgba(119,69,168,.15);
      font-size:12px;font-weight:800
    }
    h1{font-size:clamp(42px,5.2vw,72px);line-height:1.15;letter-spacing:-.05em;margin:20px 0 22px;max-width:690px}
    .hero-copy{max-width:620px;color:#66566e;font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-note{display:flex;gap:18px;flex-wrap:wrap;margin-top:28px;color:#725d78;font-size:13px}
    .hero-note span{display:inline-flex;align-items:center;gap:7px}
    .hero-note i{width:7px;height:7px;border-radius:50%;background:var(--orange)}
    .visual-board{
      position:relative;min-height:425px;padding:27px;border-radius:32px;background:rgba(255,255,255,.62);
      border:1px solid rgba(255,255,255,.85);box-shadow:var(--shadow);transform:rotate(1.2deg)
    }
    .board-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}
    .board-title{font-size:18px;font-weight:800}.status{color:#b05c80;font-size:12px}
    .board-feature{padding:24px;border-radius:24px;color:white;background:linear-gradient(135deg,#8149a7,#d84f83 70%,#f28b61);min-height:170px}
    .board-feature small{opacity:.8}.board-feature h3{font-size:25px;line-height:1.4;margin:10px 0}
    .board-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
    .board-tags span{padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.17);font-size:12px}
    .board-bottom{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:14px}
    .mini-panel{padding:16px;border-radius:18px;background:#fff;border:1px solid #f0e8f1}
    .mini-panel strong{display:block;font-size:24px;color:var(--plum);line-height:1.2}.mini-panel small{color:var(--muted)}
    .section{padding:100px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    .section-kicker{font-size:13px;color:var(--pink);font-weight:800;letter-spacing:.08em}
    h2{font-size:clamp(28px,3.5vw,46px);line-height:1.25;letter-spacing:-.035em;margin:8px 0 0}
    .section-desc{max-width:510px;color:var(--muted);margin:0}
    .feature-layout{display:grid;grid-template-columns:1.35fr .75fr;gap:20px}
    .feature-card,.topic-card,.info-card,.quote-card,.form-card,.privacy-card{
      border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);
      transition:.25s ease
    }
    .feature-card:hover,.topic-card:hover,.info-card:hover,.quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card{padding:36px;background:linear-gradient(135deg,#fff,#fff4f8)}
    .feature-card h3{font-size:27px;margin:17px 0 10px}.feature-card p,.topic-card p,.info-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .feature-card .link-arrow{color:var(--plum);font-weight:800}
    .side-stack{display:grid;gap:20px}.topic-card{padding:26px}.topic-card h3{font-size:20px;margin:12px 0 7px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{font-size:12px;padding:5px 11px;border-radius:999px;color:#795876;background:#f8eef7}
    .data-strip{padding:27px 32px;border-radius:26px;background:#30233a;color:#fff;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;box-shadow:var(--shadow)}
    .metric{padding-right:20px;border-right:1px solid rgba(255,255,255,.17)}.metric:last-child{border:0}
    .metric strong{display:block;font-size:31px;line-height:1.3;color:#ffd3df}.metric span{font-size:13px;color:#cdbdce}
    .scenario{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch}
    .scenario-intro{padding:36px;border-radius:var(--radius);background:#f4eafb}.scenario-intro p{color:var(--muted)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.step{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .step-number{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;color:#fff;background:var(--pink);font-weight:800}.step h3{font-size:17px;margin:18px 0 7px}.step p{font-size:13px;color:var(--muted);margin:0}
    .topic-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}.topic-grid .topic-card:first-child{grid-row:span 2;padding:32px;background:linear-gradient(145deg,#fff1f5,#f2eafa)}
    .topic-card h3{font-size:20px;margin:14px 0 8px}
    .form-section{background:#fff4f7}.form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
    .form-card{padding:30px;background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700;color:#5e4b66}.field input,.field textarea{border:1px solid var(--line);border-radius:13px;padding:11px 13px;color:var(--ink);background:#fffafa;resize:vertical}.field textarea{min-height:90px}
    .updates{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.info-list{padding:13px 28px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}.info-item{display:flex;justify-content:space-between;gap:18px;padding:18px 0;border-bottom:1px solid #f0e8f1}.info-item:last-child{border:0}.info-item a{font-weight:700}.info-item a:hover{color:var(--pink)}.info-item time{font-size:12px;color:#9b8ca0;white-space:nowrap}.info-card{padding:28px;background:linear-gradient(140deg,#f7eaf9,#fff)}
    .privacy-card{padding:23px 28px;display:flex;align-items:center;gap:18px;background:#fffdf7}.privacy-card strong{white-space:nowrap}.privacy-card p{margin:0;color:var(--muted);font-size:13px}
    .cta{padding:54px;border-radius:32px;color:#fff;background:linear-gradient(115deg,#813f9d,#d84f83 58%,#f28b61);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin:0}.cta p{color:rgba(255,255,255,.82);margin:10px 0 0}.cta .btn-secondary{background:#fff;border:0;color:#7b438d}
    footer{padding:42px 0 25px;background:#2c2037;color:#e8ddea}.footer-grid{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px}.footer-brand p{max-width:330px;color:#bbaabd;font-size:13px}.footer-links{display:flex;gap:24px;color:#d9c8dd;font-size:13px}.footer-links a:hover{color:#fff}.copyright{padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#9e8ba4;font-size:12px}
    @media(max-width:900px){.hero-grid,.scenario,.form-layout,.updates{grid-template-columns:1fr}.hero-grid{gap:40px}.feature-layout{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr 1fr}.topic-grid .topic-card:first-child{grid-row:auto}.data-strip{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border:0}.nav-links{gap:0;margin-right:10px}}
    @media(max-width:680px){.container{width:min(100% - 28px,var(--container))}.site-header{padding:12px 0}.nav-shell{padding-left:14px}.brand{font-size:15px}.brand-mark{width:30px;height:30px}.nav-links,.nav-action{display:none}.mobile-toggle{display:block}.hero{padding:120px 0 55px}.hero-copy{font-size:15px}h1{font-size:42px}.visual-board{min-height:auto;padding:20px}.section{padding:68px 0}.section-head{display:block}.section-desc{margin-top:14px}.board-feature{padding:20px}.board-feature h3{font-size:21px}.data-strip{grid-template-columns:1fr 1fr;padding:22px}.metric{border:0;padding:0}.metric strong{font-size:25px}.steps,.topic-grid,.form-grid{grid-template-columns:1fr}.form-grid .field.full{grid-column:auto}.cta{padding:32px 24px;display:block}.cta .btn-secondary{margin-top:23px}.privacy-card{display:block}.privacy-card strong{display:block;margin-bottom:8px}.footer-grid{display:block}.footer-links{flex-wrap:wrap;margin-top:22px}.info-list{padding:12px 20px}.info-item{display:block}.info-item time{display:block;margin-top:5px}}
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --ink:#2c2037;
      --muted:#75687e;
      --soft:#faf7fb;
      --line:#eadfeb;
      --pink:#d84f83;
      --plum:#7745a8;
      --orange:#f28b61;
      --shadow:0 20px 55px rgba(92,53,105,.12);
      --shadow-sm:0 10px 28px rgba(92,53,105,.09);
      --radius:28px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;color:var(--ink);background:var(--soft);
      font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC",sans-serif;
      line-height:1.8;-webkit-font-smoothing:antialiased;
    }
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:absolute;z-index:20;top:0;left:0;width:100%;padding:18px 0;transition:.3s ease
    }
    .site-header.scrolled{
      position:fixed;background:rgba(255,250,253,.94);backdrop-filter:blur(18px);
      box-shadow:0 8px 28px rgba(67,35,76,.1);border-bottom:1px solid rgba(234,223,235,.9)
    }
    .nav-shell{
      display:flex;align-items:center;justify-content:space-between;min-height:58px;
      padding:8px 12px 8px 20px;border:1px solid rgba(255,255,255,.46);
      border-radius:20px;background:rgba(255,255,255,.24);backdrop-filter:blur(16px)
    }
    .scrolled .nav-shell{background:transparent;border-color:transparent;backdrop-filter:none}
    .brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;white-space:nowrap}
    .brand-mark{
      width:34px;height:34px;border-radius:12px;display:grid;place-items:center;color:#fff;
      font-weight:900;background:linear-gradient(135deg,var(--pink),var(--plum));
      box-shadow:0 7px 16px rgba(216,79,131,.3)
    }
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:22px}
    .nav-link{padding:8px 14px;border-radius:12px;font-size:14px;color:#604f68;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--plum);background:rgba(255,255,255,.7)}
    .nav-action,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
      padding:0 19px;border-radius:14px;color:#fff;font-weight:700;
      background:linear-gradient(110deg,var(--pink),var(--plum));box-shadow:0 10px 22px rgba(119,69,168,.2);
      transition:.2s ease;border:0
    }
    .nav-action:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(119,69,168,.3)}
    .btn-primary:active,.nav-action:active{transform:translateY(0)}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;
      border:1px solid var(--line);border-radius:14px;color:var(--plum);font-weight:700;background:#fff;transition:.2s ease
    }
    .btn-secondary:hover{border-color:#c9a9d5;background:#fff8fc;transform:translateY(-2px)}
    :is(a,button,input,textarea):focus-visible{outline:3px solid rgba(242,139,97,.5);outline-offset:3px}
    .mobile-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}
    .page-hero{
      position:relative;overflow:hidden;padding:150px 0 82px;
      background:linear-gradient(120deg,#fbe8f0 0%,#efe5f8 52%,#fff0e8 100%)
    }
    .page-hero:before,.page-hero:after{
      content:"";position:absolute;border:1px solid rgba(119,69,168,.12);border-radius:50%;pointer-events:none
    }
    .page-hero:before{width:620px;height:620px;right:-210px;top:45px}
    .page-hero:after{width:370px;height:370px;left:-210px;bottom:-260px}
    .hero-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr .78fr;gap:70px;align-items:end}
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
      color:var(--plum);background:rgba(255,255,255,.68);border:1px solid rgba(119,69,168,.15);
      font-size:12px;font-weight:800
    }
    h1{font-size:clamp(40px,5vw,68px);line-height:1.18;letter-spacing:0;margin:18px 0 20px;max-width:760px}
    .hero-summary{max-width:650px;color:#66566e;font-size:17px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-panel{
      padding:28px;border-radius:28px;background:rgba(255,255,255,.72);
      border:1px solid rgba(255,255,255,.8);box-shadow:var(--shadow);backdrop-filter:blur(12px)
    }
    .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
    .panel-title{font-weight:800;font-size:18px}
    .status{font-size:12px;color:#9b5571;display:flex;align-items:center;gap:7px}
    .status i{width:7px;height:7px;border-radius:50%;background:#e58a63}
    .index-list{display:grid;gap:10px}
    .index-item{
      display:flex;align-items:center;justify-content:space-between;padding:13px 14px;
      border-radius:16px;background:#fff;border:1px solid var(--line);transition:.2s
    }
    .index-item:hover{transform:translateX(4px);border-color:#d4afd7;box-shadow:var(--shadow-sm)}
    .index-item strong{font-size:14px}
    .index-item span{font-size:12px;color:var(--muted)}
    .section{padding:94px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}
    .section-kicker{font-size:13px;color:var(--pink);font-weight:800;letter-spacing:.08em}
    h2{font-size:clamp(28px,3.4vw,44px);line-height:1.3;letter-spacing:0;margin:8px 0 0}
    .section-desc{max-width:520px;color:var(--muted);margin:0}
    .browse-layout{display:grid;grid-template-columns:250px 1fr;gap:22px;align-items:start}
    .side-index{
      padding:24px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow-sm);
      position:sticky;top:94px
    }
    .side-index h3{font-size:17px;margin:0 0 16px}
    .side-index a{
      display:block;padding:10px 12px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s
    }
    .side-index a:hover,.side-index a.active{color:var(--plum);background:#fbf0f7;font-weight:700}
    .content-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .content-card{
      padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
      box-shadow:var(--shadow-sm);transition:.25s ease
    }
    .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .content-card.large{grid-row:span 2;background:linear-gradient(145deg,#fff1f5,#f3eafa)}
    .content-card h3{font-size:22px;line-height:1.4;margin:15px 0 9px}
    .content-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .tag{font-size:12px;padding:5px 11px;border-radius:999px;color:#795876;background:#f8eef7}
    .card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#947f96;font-size:12px;margin-top:23px}
    .link-arrow{color:var(--plum);font-weight:800;font-size:14px}
    .feature-band{
      padding:28px 32px;border-radius:26px;background:#30233a;color:#fff;display:grid;
      grid-template-columns:1.2fr repeat(3,1fr);gap:22px;box-shadow:var(--shadow)
    }
    .feature-band h3{font-size:21px;margin:0 0 4px}
    .feature-band p{color:#d8c9dc;font-size:13px;margin:0}
    .metric{border-left:1px solid rgba(255,255,255,.18);padding-left:22px}
    .metric strong{display:block;font-size:25px;color:#fff0f4}
    .metric span{font-size:12px;color:#cfbdd3}
    .faq-section{background:#fff4f7}
    .faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px}
    details{border:1px solid var(--line);border-radius:18px;background:#fff;padding:0 22px;transition:.2s}
    details[open]{box-shadow:var(--shadow-sm)}
    summary{list-style:none;cursor:pointer;padding:20px 34px 20px 0;font-weight:800;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:0;top:18px;color:var(--pink);font-size:22px;transition:.2s}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .cta{
      padding:52px;border-radius:32px;color:#fff;display:flex;align-items:center;justify-content:space-between;
      gap:30px;background:linear-gradient(120deg,#8149a7,#d84f83 65%,#f28b61);box-shadow:var(--shadow)
    }
    .cta h2{margin:0 0 10px;color:#fff}
    .cta p{margin:0;color:rgba(255,255,255,.84);max-width:610px}
    .cta .btn-secondary{background:rgba(255,255,255,.94);border-color:#fff;color:var(--plum)}
    footer{padding:42px 0 24px;background:#30233a;color:#fff}
    .footer-grid{display:flex;justify-content:space-between;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.14)}
    .footer-brand p{color:#cdbbd2;max-width:350px;font-size:13px;margin:12px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:20px;color:#ddcfe0;font-size:13px}
    .footer-links a:hover{color:#fff0f4}
    .copyright{padding-top:20px;color:#a996ae;font-size:12px}
    @media(max-width:900px){
      .hero-content{grid-template-columns:1fr;gap:35px}
      .browse-layout{grid-template-columns:1fr}
      .side-index{position:static;display:flex;flex-wrap:wrap;gap:5px;align-items:center}
      .side-index h3{width:100%;margin-bottom:5px}
      .content-grid{grid-template-columns:1fr 1fr}
      .feature-band{grid-template-columns:1fr 1fr}
      .metric{border-left:0;padding-left:0}
    }
    @media(max-width:700px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .site-header{padding:12px 0}
      .nav-shell{padding-left:12px}
      .brand{font-size:16px}
      .brand-mark{width:31px;height:31px;border-radius:10px}
      .nav-links,.nav-action{display:none}
      .mobile-toggle{display:block}
      .mobile-open .nav-links{
        display:flex;position:absolute;left:14px;right:14px;top:74px;margin:0;padding:12px;
        flex-direction:column;align-items:stretch;border-radius:18px;background:#fff;
        border:1px solid var(--line);box-shadow:var(--shadow-sm)
      }
      .mobile-open .nav-link{text-align:center}
      .page-hero{padding:125px 0 58px}
      h1{font-size:40px}
      .section{padding:65px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .content-grid,.feature-band{grid-template-columns:1fr}
      .content-card.large{grid-row:auto}
      .feature-band{padding:25px}
      .metric{border-top:1px solid rgba(255,255,255,.18);padding-top:15px}
      .cta{padding:32px 24px;display:block}
      .cta .btn-secondary{margin-top:22px}
      .footer-grid{display:block}
      .footer-links{margin-top:24px;gap:14px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category2 */
:root{
 --ink:#2c2037;--muted:#75687e;--soft:#faf7fb;--line:#eadfeb;
 --pink:#d84f83;--plum:#7745a8;--orange:#f28b61;
 --shadow:0 20px 55px rgba(92,53,105,.12);
 --shadow-sm:0 10px 28px rgba(92,53,105,.09);
 --radius:28px;--container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--soft);font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
.site-header{position:absolute;z-index:20;top:0;left:0;width:100%;padding:18px 0;transition:.3s ease}
.site-header.scrolled{position:fixed;background:rgba(255,250,253,.94);backdrop-filter:blur(18px);box-shadow:0 8px 28px rgba(67,35,76,.1);border-bottom:1px solid rgba(234,223,235,.9)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:8px 12px 8px 20px;border:1px solid rgba(255,255,255,.55);border-radius:20px;background:rgba(255,255,255,.28);backdrop-filter:blur(16px)}
.scrolled .nav-shell{background:transparent;border-color:transparent;backdrop-filter:none}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--pink),var(--plum));box-shadow:0 7px 16px rgba(216,79,131,.3)}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:22px}
.nav-link{padding:8px 14px;border-radius:12px;font-size:14px;color:#604f68;transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--plum);background:rgba(255,255,255,.7)}
.nav-action,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 19px;border-radius:14px;color:#fff;font-weight:700;background:linear-gradient(110deg,var(--pink),var(--plum));box-shadow:0 10px 22px rgba(119,69,168,.2);transition:.2s ease;border:0}
.nav-action:hover,.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(119,69,168,.3)}
.btn-primary:active,.nav-action:active{transform:translateY(0)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border:1px solid var(--line);border-radius:14px;color:var(--plum);font-weight:700;background:#fff;transition:.2s ease}
.btn-secondary:hover{border-color:#c9a9d5;background:#fff8fc;transform:translateY(-2px)}
:is(a,button,input,textarea):focus-visible{outline:3px solid rgba(242,139,97,.5);outline-offset:3px}
.mobile-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px}
.hero{position:relative;overflow:hidden;padding:142px 0 72px;background:linear-gradient(120deg,#fbe8f0 0%,#efe5f8 52%,#fff0e8 100%)}
.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(119,69,168,.1);border-radius:50%}
.hero:before{width:570px;height:570px;right:-190px;top:76px}.hero:after{width:360px;height:360px;left:-210px;bottom:-250px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:.95fr 1.05fr;gap:65px;align-items:center}
.eyebrow,.badge{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;color:var(--plum);background:rgba(255,255,255,.7);border:1px solid rgba(119,69,168,.15);font-size:12px;font-weight:800}
h1{font-size:clamp(38px,5vw,66px);line-height:1.18;letter-spacing:-.045em;margin:18px 0 20px}
.hero-copy{max-width:600px;color:#66566e;font-size:17px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-note{display:flex;gap:16px;flex-wrap:wrap;margin-top:25px;color:#725d78;font-size:13px}.hero-note span{display:inline-flex;align-items:center;gap:7px}.hero-note i{width:7px;height:7px;border-radius:50%;background:var(--orange)}
.browse-panel{padding:26px;border:1px solid rgba(255,255,255,.7);border-radius:30px;background:rgba(255,255,255,.57);box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.panel-title{font-size:18px;font-weight:800}.status{font-size:12px;color:#9a5275;background:#fff0f5;padding:6px 10px;border-radius:999px}
.panel-main{padding:27px;border-radius:24px;color:#fff;background:linear-gradient(135deg,#8149a7,#d84f83 68%,#f28b61);min-height:190px}
.panel-main small{opacity:.82}.panel-main h2{font-size:26px;line-height:1.4;margin:9px 0 12px}.panel-tags{display:flex;gap:8px;flex-wrap:wrap}.panel-tags span{padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.18);font-size:12px}
.panel-bottom{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.mini-stat{padding:15px 17px;border-radius:18px;background:#fff;border:1px solid var(--line)}.mini-stat strong{display:block;font-size:20px;color:var(--plum);line-height:1.3}.mini-stat span{font-size:12px;color:var(--muted)}
.section{padding:94px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}.section-kicker{font-size:13px;color:var(--pink);font-weight:800;letter-spacing:.08em}.section h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:5px 0 0}.section-desc{max-width:510px;color:var(--muted);margin:0}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:18px 20px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);margin-bottom:24px}
.filter{border:1px solid var(--line);border-radius:999px;padding:7px 15px;background:#fff;color:#745e7c;font-size:13px;transition:.2s}.filter:hover,.filter.active{color:#fff;border-color:transparent;background:linear-gradient(110deg,var(--pink),var(--plum))}
.content-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:22px}.index-card,.browse-card,.highlight-card,.faq-item,.cta-box{border:1px solid var(--line);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.index-card{padding:27px;height:max-content;position:sticky;top:95px}.index-card h3{margin:0 0 14px;font-size:19px}.index-list{display:grid;gap:9px}.index-list a{display:flex;justify-content:space-between;align-items:center;padding:11px 13px;border-radius:13px;color:#6d5b74;font-size:14px;transition:.2s}.index-list a:hover,.index-list a.active{background:#fff0f5;color:var(--pink)}.index-list b{font-size:11px;color:#b18daf}
.browse-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:18px}.browse-card{padding:27px;transition:.25s}.browse-card:hover,.highlight-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.browse-card.large{grid-row:span 2;padding:34px;background:linear-gradient(145deg,#fff1f5,#f2eafa)}.browse-card h3{font-size:21px;line-height:1.45;margin:14px 0 8px}.browse-card p,.highlight-card p{font-size:14px;color:var(--muted);margin:0 0 18px}.card-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:20px;font-size:12px;color:#997f9d}.arrow{color:var(--plum);font-weight:800;font-size:13px}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{font-size:12px;padding:5px 11px;border-radius:999px;color:#795876;background:#f8eef7}
.highlight-wrap{margin-top:25px;padding:30px;border-radius:28px;color:#fff;background:#30233a;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center;box-shadow:var(--shadow)}.highlight-wrap h3{font-size:25px;line-height:1.4;margin:9px 0}.highlight-wrap p{color:#d9cddd;margin:0;max-width:670px;font-size:14px}.highlight-wrap .badge{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.18)}
.evidence{padding:80px 0;background:#fff4f7}.evidence-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}.evidence-copy{padding:36px 0}.evidence-copy p{color:var(--muted);max-width:540px}.stat-panel{padding:30px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);display:grid;grid-template-columns:1fr 1fr;gap:14px}.stat-box{padding:20px;border-radius:19px;background:#fcf7fc}.stat-box strong{display:block;color:var(--plum);font-size:26px;line-height:1.3}.stat-box span{font-size:13px;color:var(--muted)}
.faq-area{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px}.faq-list{display:grid;gap:12px}.faq-item{overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:#fff;padding:20px 23px;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:22px;color:var(--pink);transition:.25s}.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-section{padding:40px 0 100px}.cta-box{padding:42px 48px;color:#fff;background:linear-gradient(120deg,#7745a8,#d84f83 65%,#f28b61);display:flex;align-items:center;justify-content:space-between;gap:25px}.cta-box h2{font-size:32px;line-height:1.35;margin:0 0 8px}.cta-box p{margin:0;color:rgba(255,255,255,.84);font-size:14px}.cta-box .btn-secondary{border-color:rgba(255,255,255,.45);background:#fff;color:var(--plum)}
footer{padding:45px 0 24px;background:#30233a;color:#fff}.footer-grid{display:flex;justify-content:space-between;gap:35px}.footer-brand p{color:#cdbfd1;font-size:13px;margin:14px 0 0}.footer-links{display:flex;gap:21px;flex-wrap:wrap;align-items:center;color:#d9ccdc;font-size:13px}.footer-links a:hover{color:#fff}.copyright{padding-top:30px;margin-top:30px;border-top:1px solid rgba(255,255,255,.13);color:#ae9fb2;font-size:12px}
@media(max-width:900px){.hero-grid,.content-layout,.evidence-grid,.faq-area{grid-template-columns:1fr}.browse-grid{grid-template-columns:1fr 1fr}.index-card{position:static}.hero-grid{gap:35px}.nav-links{margin-right:8px}.nav-action{display:none}}
@media(max-width:680px){.container{width:min(100% - 28px,var(--container))}.site-header{padding:12px 0}.nav-shell{padding-left:14px}.brand{font-size:16px}.brand-mark{width:31px;height:31px}.nav-links,.nav-action{display:none}.mobile-toggle{display:block}.nav-shell.menu-open .nav-links{display:flex;position:absolute;top:70px;left:14px;right:14px;margin:0;padding:12px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.nav-shell.menu-open .nav-link{padding:11px 13px}.hero{padding:120px 0 54px}.hero-copy{font-size:15px}.hero-actions{margin-top:22px}.section{padding:64px 0}.section-head{display:block}.section-desc{margin-top:12px}.browse-grid,.stat-panel{grid-template-columns:1fr}.browse-card.large{grid-row:auto}.highlight-wrap,.cta-box{display:block;padding:28px}.highlight-wrap .btn-primary,.cta-box .btn-secondary{margin-top:20px}.cta-box h2{font-size:26px}.footer-grid{display:block}.footer-links{margin-top:25px;gap:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}