/* roulang page: index */
:root{
      --bg0:#050b16;
      --bg1:#08111f;
      --bg2:#0d1728;
      --card:rgba(10, 18, 34, .72);
      --card-strong:rgba(13, 23, 40, .9);
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.16);
      --text:#e5eefc;
      --muted:#9fb0cb;
      --muted-2:#7f90ad;
      --brand:#f5c86b;
      --brand-2:#91caff;
      --brand-3:#8b5cf6;
      --ok:#32d583;
      --radius:22px;
      --radius-lg:28px;
      --shadow:0 24px 80px rgba(1,6,17,.42);
      --shadow-soft:0 12px 34px rgba(1,6,17,.25);
      --space:clamp(16px, 2vw, 24px);
    }
    html{
      scroll-behavior:smooth;
    }
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(145,202,255,.12), transparent 24%),
        radial-gradient(circle at 90% 0%, rgba(245,200,107,.12), transparent 20%),
        radial-gradient(circle at 80% 88%, rgba(139,92,246,.12), transparent 18%),
        linear-gradient(180deg, var(--bg0), var(--bg1) 45%, #060c17 100%);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height:1.7;
      letter-spacing:.01em;
      overflow-x:hidden;
    }
    *,*::before,*::after{box-sizing:border-box}
    img{max-width:100%; display:block}
    a{color:inherit; text-decoration:none; transition:all .25s ease}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(245,200,107,.28); color:#fff}
    .site-bg{
      position:fixed;
      inset:0;
      pointer-events:none;
      overflow:hidden;
      z-index:-1;
    }
    .site-bg::before,
    .site-bg::after{
      content:"";
      position:absolute;
      border-radius:999px;
      filter:blur(14px);
      opacity:.5;
      transform:translate3d(0,0,0);
    }
    .site-bg::before{
      width:380px;
      height:380px;
      left:-120px;
      top:160px;
      background:radial-gradient(circle, rgba(145,202,255,.12), rgba(145,202,255,0) 70%);
    }
    .site-bg::after{
      width:460px;
      height:460px;
      right:-160px;
      bottom:80px;
      background:radial-gradient(circle, rgba(245,200,107,.10), rgba(245,200,107,0) 72%);
    }
    .shell{
      width:min(1200px, calc(100% - 32px));
      margin:0 auto;
    }
    .panel{
      background:linear-gradient(180deg, rgba(13,22,38,.88), rgba(9,16,29,.82));
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
    }
    .panel-soft{
      background:linear-gradient(180deg, rgba(12,20,35,.72), rgba(7,13,24,.68));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(12px);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.72rem 1rem;
      border-radius:999px;
      border:1px solid transparent;
      color:var(--muted);
      font-size:.95rem;
      font-weight:600;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-link[aria-current="page"]{
      color:#08111f;
      background:linear-gradient(135deg, rgba(245,200,107,1), rgba(145,202,255,.96));
      border-color:transparent;
      box-shadow:0 12px 28px rgba(145,202,255,.18);
    }
    .btn-primary,.btn-secondary,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      min-height:48px;
      padding:.85rem 1.15rem;
      border-radius:999px;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      cursor:pointer;
      outline:none;
    }
    .btn-primary{
      color:#08111f;
      background:linear-gradient(135deg, #f5c86b, #fff0b8);
      box-shadow:0 16px 30px rgba(245,200,107,.18);
      border:1px solid rgba(255,255,255,.12);
    }
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 36px rgba(245,200,107,.24)}
    .btn-secondary{
      color:#e6eefc;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.12);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.18);
    }
    .btn-ghost{
      color:var(--muted);
      background:transparent;
      border:1px solid rgba(255,255,255,.10);
    }
    .btn-ghost:hover{
      color:#fff;
      border-color:rgba(255,255,255,.2);
      background:rgba(255,255,255,.03);
    }
    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .btn-ghost:focus-visible,
    .nav-link:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:2px solid rgba(145,202,255,.9);
      outline-offset:2px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      padding:.45rem .8rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
      color:#d8e7ff;
      font-size:.86rem;
      font-weight:600;
      letter-spacing:.02em;
    }
    .badge-dot{
      width:.55rem;
      height:.55rem;
      border-radius:999px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      box-shadow:0 0 0 6px rgba(145,202,255,.08);
    }
    .section-kicker{
      color:#a9bedf;
      font-size:.88rem;
      text-transform:uppercase;
      letter-spacing:.14em;
      font-weight:700;
    }
    .section-title{
      font-size:clamp(1.7rem, 3vw, 2.6rem);
      line-height:1.12;
      font-weight:800;
      color:#f3f7ff;
      letter-spacing:-.03em;
    }
    .section-desc{
      color:var(--muted);
      font-size:1rem;
      max-width:68ch;
    }
    .glass-line{
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
    }
    .feature-card,.channel-card,.flow-card,.metric-card,.faq-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(13,22,38,.82), rgba(8,14,25,.8));
      box-shadow:var(--shadow-soft);
      transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease;
    }
    .feature-card:hover,.channel-card:hover,.flow-card:hover,.metric-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:0 20px 46px rgba(2,8,23,.34);
    }
    .feature-card::before,.channel-card::before,.flow-card::before,.metric-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 38%);
      pointer-events:none;
    }
    .category-chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.35rem .7rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:#c9d7ee;
      font-size:.82rem;
      font-weight:600;
    }
    .metric-number{
      font-size:clamp(1.7rem, 4vw, 2.7rem);
      line-height:1;
      font-weight:800;
      letter-spacing:-.04em;
      background:linear-gradient(135deg, #f5c86b, #f7f9ff 55%, #91caff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .input-shell{
      display:flex;
      align-items:center;
      gap:.75rem;
      padding:.45rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.04);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .input-shell input{
      width:100%;
      background:transparent;
      border:0;
      color:#fff;
      outline:none;
      padding:.8rem 1rem .8rem 1.1rem;
      min-width:0;
    }
    .input-shell input::placeholder{color:#93a4c1}
    .mini-pill{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.28rem .6rem;
      border-radius:999px;
      background:rgba(145,202,255,.08);
      color:#cde0ff;
      border:1px solid rgba(145,202,255,.14);
      font-size:.78rem;
      font-weight:600;
    }
    .hero-orb{
      position:absolute;
      inset:auto auto -70px -70px;
      width:220px;
      height:220px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(145,202,255,.18), rgba(145,202,255,0) 72%);
      filter:blur(6px);
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.1);
      background:
        radial-gradient(circle at 20% 20%, rgba(145,202,255,.12), transparent 24%),
        radial-gradient(circle at 90% 10%, rgba(245,200,107,.10), transparent 20%),
        linear-gradient(180deg, rgba(15,25,43,.9), rgba(9,16,29,.88));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(255,255,255,.05), transparent 32%, rgba(255,255,255,.02));
      pointer-events:none;
    }
    .hero-chart{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }
    details.faq-card summary{
      list-style:none;
      cursor:pointer;
      padding:1.2rem 1.25rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      color:#edf4ff;
      font-weight:700;
    }
    details.faq-card summary::-webkit-details-marker{display:none}
    .faq-answer{
      padding:0 1.25rem 1.15rem 1.25rem;
      color:var(--muted);
      border-top:1px solid rgba(255,255,255,.08);
    }
    .faq-arrow{
      width:1rem;
      height:1rem;
      flex:0 0 auto;
      opacity:.8;
      transition:transform .22s ease;
    }
    details[open] .faq-arrow{transform:rotate(180deg)}
    .footer-link{
      color:var(--muted);
    }
    .footer-link:hover{
      color:#fff;
    }
    .section-divider{
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.13), transparent);
    }
    .soft-grid{
      background-image:linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:24px 24px;
      background-position:center top;
    }
    @media (max-width: 1024px){
      .shell{
        width:min(100%, calc(100% - 24px));
      }
    }
    @media (max-width: 768px){
      .section-title{letter-spacing:-.02em}
      .input-shell{
        border-radius:22px;
        padding:.35rem;
        flex-direction:column;
        align-items:stretch;
      }
      .input-shell input{
        padding:1rem 1rem .2rem 1rem;
      }
      .input-shell .btn-primary{
        width:100%;
      }
    }
    @media (max-width: 520px){
      .nav-link{
        width:100%;
        justify-content:center;
      }
      .btn-primary,.btn-secondary,.btn-ghost{
        width:100%;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#020617;
      --bg-soft:#07111f;
      --panel:rgba(15,23,42,.72);
      --panel-strong:rgba(15,23,42,.92);
      --text:#f8fafc;
      --muted:#94a3b8;
      --muted-2:#64748b;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.18);
      --amber:#fcd34d;
      --sky:#7dd3fc;
      --cyan:#22d3ee;
      --emerald:#34d399;
      --rose:#fb7185;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow:0 24px 80px rgba(0,0,0,.36);
      --shadow-soft:0 16px 50px rgba(15,23,42,.24);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      background:
        radial-gradient(circle at 8% 0%, rgba(125,211,252,.16), transparent 34%),
        radial-gradient(circle at 92% 12%, rgba(252,211,77,.15), transparent 30%),
        radial-gradient(circle at 55% 55%, rgba(34,211,238,.08), transparent 34%),
        linear-gradient(180deg,#020617 0%,#07111f 46%,#020617 100%);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.65;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(252,211,77,.35);color:#fff}
    .shell{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(2,6,23,.78);
      backdrop-filter:blur(18px);
      box-shadow:0 10px 34px rgba(0,0,0,.18);
    }
    .header-inner{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      display:inline-flex;
      height:44px;
      width:44px;
      flex:0 0 auto;
      align-items:center;
      justify-content:center;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.13);
      background:linear-gradient(135deg,var(--amber),var(--sky));
      color:#0f172a;
      font-weight:950;
      box-shadow:0 12px 30px rgba(125,211,252,.16);
    }
    .brand-title{
      color:#fff;
      font-weight:900;
      letter-spacing:-.02em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:330px;
    }
    .brand-sub{
      margin-top:-2px;
      color:var(--muted);
      font-size:12px;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      color:#cbd5e1;
      font-size:14px;
      font-weight:700;
      transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
    }
    .nav-link:hover{
      background:rgba(255,255,255,.08);
      color:#fff;
      transform:translateY(-1px);
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#0f172a;
      background:linear-gradient(135deg,var(--amber),var(--sky));
      box-shadow:0 12px 26px rgba(125,211,252,.14);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .quick-search{
      width:210px;
      height:40px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 13px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      background:rgba(15,23,42,.68);
      color:var(--muted);
      font-size:13px;
    }
    .quick-search input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      color:#e2e8f0;
    }
    .quick-search input::placeholder{color:#64748b}
    .quick-search:focus-within{
      border-color:rgba(125,211,252,.5);
      box-shadow:0 0 0 4px rgba(125,211,252,.12);
    }
    .menu-btn{
      display:none;
      height:42px;
      width:42px;
      align-items:center;
      justify-content:center;
      border:1px solid rgba(255,255,255,.12);
      border-radius:15px;
      background:rgba(15,23,42,.75);
      color:#fff;
      transition:transform .2s ease,background .2s ease;
    }
    .menu-btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.09)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(2,6,23,.92);
    }
    .mobile-panel.open{display:block}
    .mobile-nav{
      padding:14px 0 18px;
      display:grid;
      gap:8px;
    }
    .mobile-nav .nav-link{
      justify-content:flex-start;
      border-radius:16px;
      padding:12px 14px;
      background:rgba(255,255,255,.04);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--amber),var(--sky));
      color:#0f172a;
      box-shadow:0 18px 40px rgba(125,211,252,.16);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 54px rgba(125,211,252,.22)}
    .btn-ghost{
      border-color:rgba(255,255,255,.13);
      background:rgba(255,255,255,.05);
      color:#e2e8f0;
    }
    .btn-ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.22)}
    .hero{
      position:relative;
      padding:72px 0 54px;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:18px auto auto 50%;
      width:520px;
      height:520px;
      transform:translateX(-10%);
      background:radial-gradient(circle,rgba(125,211,252,.15),transparent 65%);
      pointer-events:none;
      filter:blur(2px);
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:#94a3b8;
      font-size:13px;
      margin-bottom:22px;
    }
    .breadcrumb a:hover{color:#fff}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.05);
      color:#cbd5e1;
      font-size:13px;
      font-weight:750;
    }
    .badge-dot{
      width:8px;
      height:8px;
      border-radius:99px;
      background:linear-gradient(135deg,var(--amber),var(--sky));
      box-shadow:0 0 0 5px rgba(125,211,252,.10);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(360px,.76fr);
      gap:34px;
      align-items:center;
    }
    .hero h1{
      margin:20px 0 18px;
      font-size:clamp(38px,6vw,74px);
      line-height:.98;
      letter-spacing:-.065em;
      font-weight:950;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 0%,#fde68a 38%,#7dd3fc 82%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:760px;
      color:#cbd5e1;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-panel{
      position:relative;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035)),
        rgba(15,23,42,.72);
      box-shadow:var(--shadow);
      overflow:hidden;
      padding:24px;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:-70px -70px auto auto;
      width:220px;
      height:220px;
      border-radius:999px;
      background:rgba(252,211,77,.18);
      filter:blur(6px);
    }
    .visual-card{
      position:relative;
      min-height:440px;
      border-radius:24px;
      overflow:hidden;
      background:
        linear-gradient(140deg,rgba(15,23,42,.10),rgba(15,23,42,.72)),
        radial-gradient(circle at 20% 15%,rgba(252,211,77,.38),transparent 28%),
        radial-gradient(circle at 78% 24%,rgba(125,211,252,.38),transparent 25%),
        linear-gradient(135deg,#1e293b,#020617);
      border:1px solid rgba(255,255,255,.12);
    }
    .visual-orbit{
      position:absolute;
      inset:30px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:32px;
      transform:rotate(-4deg);
    }
    .visual-inner{
      position:absolute;
      inset:auto 22px 22px 22px;
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(2,6,23,.72);
      backdrop-filter:blur(16px);
    }
    .mini-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .mini-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      color:#cbd5e1;
      font-size:13px;
    }
    .mini-row strong{color:#fff}
    .section{
      padding:58px 0;
    }
    .section-tight{padding-top:28px}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .eyebrow{
      color:#7dd3fc;
      font-size:13px;
      font-weight:900;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .section-title{
      margin:8px 0 0;
      font-size:clamp(28px,3.4vw,44px);
      line-height:1.15;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .section-desc{
      max-width:620px;
      color:#94a3b8;
      margin:10px 0 0;
      line-height:1.85;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .grid-2{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .card{
      position:relative;
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(125,211,252,.28);
      background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      box-shadow:0 24px 70px rgba(0,0,0,.34);
    }
    .card-pad{padding:24px}
    .icon-box{
      display:inline-flex;
      width:48px;
      height:48px;
      align-items:center;
      justify-content:center;
      border-radius:18px;
      background:rgba(125,211,252,.12);
      border:1px solid rgba(125,211,252,.20);
      color:#bae6fd;
      font-weight:950;
      margin-bottom:18px;
    }
    .card h3{
      margin:0;
      color:#fff;
      font-size:20px;
      line-height:1.35;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .card p{
      margin:10px 0 0;
      color:#94a3b8;
      line-height:1.85;
      font-size:14px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.045);
      color:#cbd5e1;
      font-size:12px;
      font-weight:750;
    }
    .feature-band{
      border:1px solid rgba(255,255,255,.10);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 12% 18%,rgba(252,211,77,.12),transparent 28%),
        radial-gradient(circle at 86% 12%,rgba(125,211,252,.14),transparent 30%),
        rgba(15,23,42,.62);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .feature-layout{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      padding:30px;
      align-items:stretch;
    }
    .summary-box{
      border-radius:24px;
      padding:26px;
      background:rgba(2,6,23,.54);
      border:1px solid rgba(255,255,255,.10);
    }
    .stat-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:22px;
    }
    .stat{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.09);
    }
    .stat b{
      display:block;
      font-size:26px;
      line-height:1;
      color:#fff;
      letter-spacing:-.04em;
    }
    .stat span{
      display:block;
      margin-top:8px;
      color:#94a3b8;
      font-size:13px;
    }
    .check-list{
      display:grid;
      gap:12px;
    }
    .check-item{
      display:flex;
      gap:12px;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      color:#cbd5e1;
    }
    .check{
      flex:0 0 auto;
      width:24px;
      height:24px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      background:linear-gradient(135deg,var(--emerald),var(--sky));
      color:#06211b;
      font-weight:950;
      font-size:13px;
      margin-top:2px;
    }
    .process{
      counter-reset:step;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .step{
      counter-increment:step;
      position:relative;
      padding:22px;
      min-height:210px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(15,23,42,.62);
      overflow:hidden;
    }
    .step:before{
      content:"0" counter(step);
      display:inline-flex;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      background:rgba(252,211,77,.12);
      border:1px solid rgba(252,211,77,.22);
      color:#fde68a;
      font-weight:950;
      margin-bottom:18px;
    }
    .step h3{font-size:18px}
    .scenario-card{
      min-height:220px;
    }
    .scenario-card:after{
      content:"";
      position:absolute;
      inset:auto -40px -60px auto;
      width:160px;
      height:160px;
      border-radius:999px;
      background:rgba(125,211,252,.10);
      filter:blur(4px);
    }
    .faq-wrap{
      display:grid;
      gap:12px;
      max-width:920px;
      margin:0 auto;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      background:rgba(15,23,42,.62);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:18px 20px;
      border:0;
      background:transparent;
      color:#fff;
      text-align:left;
      font-weight:900;
    }
    .faq-q span:last-child{
      width:28px;
      height:28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:#7dd3fc;
      transition:transform .2s ease;
      flex:0 0 auto;
    }
    .faq-a{
      display:none;
      padding:0 20px 18px;
      color:#94a3b8;
      line-height:1.85;
      font-size:14px;
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 15% 20%,rgba(252,211,77,.18),transparent 30%),
        radial-gradient(circle at 84% 20%,rgba(125,211,252,.22),transparent 30%),
        linear-gradient(135deg,rgba(15,23,42,.92),rgba(2,6,23,.92));
      box-shadow:var(--shadow);
      padding:38px;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta h2{
      margin:0;
      font-size:clamp(28px,4vw,48px);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.05em;
    }
    .cta p{
      max-width:720px;
      margin:14px 0 0;
      color:#cbd5e1;
      line-height:1.85;
    }
    .section-divider{
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
    }
    .footer-link{
      color:#94a3b8;
      transition:color .2s ease,transform .2s ease;
    }
    .footer-link:hover{
      color:#fff;
      transform:translateX(2px);
    }
    :focus-visible{
      outline:3px solid rgba(125,211,252,.45);
      outline-offset:3px;
    }
    @media (max-width:1024px){
      .shell{width:min(100% - 32px,var(--container))}
      .brand-title{max-width:260px}
      .quick-search{display:none}
      .menu-btn{display:inline-flex}
      .hero-grid{grid-template-columns:1fr;gap:26px}
      .hero-panel{max-width:620px}
      .feature-layout{grid-template-columns:1fr}
      .process{grid-template-columns:repeat(2,minmax(0,1fr))}
      .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      .header-inner{height:68px}
      .brand-title{font-size:14px;max-width:210px}
      .brand-sub{display:none}
      .hero{padding:48px 0 34px}
      .hero h1{letter-spacing:-.05em}
      .hero-lead{font-size:16px}
      .section{padding:42px 0}
      .section-head{display:block}
      .grid-3,.grid-2,.process{grid-template-columns:1fr}
      .feature-layout{padding:18px}
      .stat-grid{grid-template-columns:1fr}
      .cta{padding:26px}
      .cta-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .shell{width:min(100% - 24px,var(--container))}
      .brand-mark{width:40px;height:40px;border-radius:15px}
      .brand-title{max-width:170px}
      .hero-actions,.cta .flex{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .visual-card{min-height:360px}
      .visual-inner{inset:auto 14px 14px 14px;padding:16px}
      .card-pad{padding:20px}
      .mini-row{align-items:flex-start;flex-direction:column}
      .breadcrumb{font-size:12px}
    }

/* roulang page: category2 */
:root{
      --bg:#020617;
      --bg-soft:#0f172a;
      --panel:rgba(15,23,42,.78);
      --panel-strong:rgba(15,23,42,.92);
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.16);
      --text:#e2e8f0;
      --muted:#94a3b8;
      --muted-2:#64748b;
      --accent:#f59e0b;
      --accent-2:#38bdf8;
      --accent-3:#a78bfa;
      --shadow:0 24px 70px rgba(2,6,23,.42);
      --shadow-soft:0 12px 40px rgba(2,6,23,.25);
      --radius:24px;
      --radius-sm:16px;
    }

    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background:
        radial-gradient(circle at top left, rgba(245, 158, 11, .14), transparent 26%),
        radial-gradient(circle at top right, rgba(56, 189, 248, .14), transparent 24%),
        radial-gradient(circle at 50% 10%, rgba(167, 139, 250, .10), transparent 25%),
        linear-gradient(180deg, #020617 0%, #07111f 45%, #020617 100%);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    *, *::before, *::after { box-sizing: border-box; }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: all .22s ease; }
    button, input, textarea, select { font: inherit; }
    ::selection { background: rgba(245, 158, 11, .28); color: #fff; }

    .shell {
      width: min(1200px, calc(100% - 2rem));
      margin: 0 auto;
    }

    .surface {
      background: linear-gradient(180deg, rgba(15, 23, 42, .84), rgba(15, 23, 42, .68));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .surface-soft {
      background: linear-gradient(180deg, rgba(15, 23, 42, .68), rgba(15, 23, 42, .52));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      border-radius: 999px;
      padding: .72rem 1rem;
      color: rgba(226, 232, 240, .86);
      border: 1px solid transparent;
      background: transparent;
      font-weight: 600;
      letter-spacing: .01em;
      transition: transform .22s ease, background-color .22s ease, border-color .22s ease, color .22s ease, box-shadow .22s ease;
    }
    .nav-link:hover,
    .nav-link:focus-visible {
      color: #fff;
      background: rgba(15, 23, 42, .76);
      border-color: rgba(255, 255, 255, .12);
      box-shadow: 0 12px 30px rgba(2, 6, 23, .25);
      transform: translateY(-1px);
      outline: none;
    }
    .nav-link.active,
    .nav-link[aria-current="page"] {
      color: #fff;
      background: linear-gradient(135deg, rgba(245, 158, 11, .16), rgba(56, 189, 248, .14));
      border-color: rgba(255, 255, 255, .16);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 14px 30px rgba(2, 6, 23, .28);
    }

    .footer-link {
      color: #cbd5e1;
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      padding: .2rem 0;
      transition: color .2s ease, transform .2s ease;
    }
    .footer-link:hover,
    .footer-link:focus-visible {
      color: #fff;
      transform: translateX(2px);
      outline: none;
    }
    .footer-link.active {
      color: #fff;
      font-weight: 700;
    }

    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      min-height: 48px;
      padding: .84rem 1.15rem;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
      will-change: transform;
    }
    .btn-primary {
      background: linear-gradient(135deg, #f59e0b, #f97316);
      color: #0f172a;
      box-shadow: 0 14px 32px rgba(245, 158, 11, .28);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 18px 40px rgba(245, 158, 11, .34);
      outline: none;
    }
    .btn-secondary {
      background: rgba(15, 23, 42, .66);
      color: #fff;
      border-color: rgba(255,255,255,.12);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(15, 23, 42, .86);
      border-color: rgba(255,255,255,.18);
      transform: translateY(-1px);
      outline: none;
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      padding: .42rem .78rem;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
      color: #e2e8f0;
      font-size: .82rem;
      font-weight: 700;
      letter-spacing: .02em;
    }
    .badge-accent {
      border-color: rgba(245, 158, 11, .25);
      background: rgba(245, 158, 11, .10);
      color: #fde68a;
    }

    .card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(15, 23, 42, .85), rgba(15, 23, 42, .66));
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background-color .22s ease;
    }
    .card:hover {
      transform: translateY(-3px);
      border-color: rgba(255,255,255,.16);
      box-shadow: 0 18px 48px rgba(2,6,23,.34);
    }
    .card-glow::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(245,158,11,.10), rgba(56,189,248,.06), transparent 58%);
      opacity: .8;
      pointer-events: none;
    }

    .section-title {
      font-size: clamp(1.5rem, 2vw, 2.15rem);
      line-height: 1.15;
      font-weight: 900;
      letter-spacing: -.03em;
      color: #fff;
    }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      color: #fbbf24;
      font-size: .86rem;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
    }
    .section-divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: calc(var(--radius) + 8px);
      border: 1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 20% 10%, rgba(245, 158, 11, .13), transparent 26%),
        radial-gradient(circle at 82% 0%, rgba(56, 189, 248, .13), transparent 22%),
        linear-gradient(180deg, rgba(15, 23, 42, .92), rgba(15, 23, 42, .72));
      box-shadow: var(--shadow);
    }
    .hero-panel::after {
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 24px 24px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.58), transparent 86%);
      pointer-events:none;
    }

    .stat-box {
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(2, 6, 23, .24);
      padding: 1rem;
    }
    .stat-number {
      font-size: 1.35rem;
      font-weight: 900;
      line-height: 1;
      color: #fff;
    }
    .stat-label {
      margin-top: .4rem;
      color: var(--muted);
      font-size: .84rem;
    }

    .input-panel {
      display: flex;
      align-items: center;
      gap: .75rem;
      padding: .6rem;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(2, 6, 23, .30);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
    }
    .input-panel input[type="search"] {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: none;
      background: transparent;
      color: #fff;
      padding: .55rem .45rem .55rem .95rem;
    }
    .input-panel input[type="search"]::placeholder {
      color: #94a3b8;
    }

    .info-list {
      display: grid;
      gap: .85rem;
    }
    .info-item {
      display: flex;
      gap: .8rem;
      align-items: flex-start;
      color: #dbe4ef;
    }
    .info-dot {
      width: 11px;
      height: 11px;
      margin-top: .45rem;
      border-radius: 999px;
      background: linear-gradient(135deg, #f59e0b, #38bdf8);
      box-shadow: 0 0 0 5px rgba(245,158,11,.08);
      flex: 0 0 auto;
    }

    .topic-card {
      position: relative;
      display: block;
      height: 100%;
      padding: 1.25rem;
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.10);
      background: linear-gradient(180deg, rgba(15,23,42,.86), rgba(15,23,42,.66));
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .topic-card:hover,
    .topic-card:focus-visible {
      transform: translateY(-3px);
      border-color: rgba(245, 158, 11, .24);
      box-shadow: 0 16px 40px rgba(2,6,23,.34);
      outline: none;
    }
    .topic-card.active {
      border-color: rgba(245, 158, 11, .34);
      background: linear-gradient(180deg, rgba(245,158,11,.12), rgba(15,23,42,.70));
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 1rem;
    }
    .timeline::before {
      content:"";
      position:absolute;
      left: 18px;
      top: 14px;
      bottom: 14px;
      width: 1px;
      background: linear-gradient(180deg, rgba(245,158,11,.35), rgba(56,189,248,.25));
      opacity: .8;
    }
    .timeline-step {
      position: relative;
      padding-left: 3.4rem;
    }
    .timeline-step::before {
      content:"";
      position:absolute;
      left: 8px;
      top: .35rem;
      width: 21px;
      height: 21px;
      border-radius: 999px;
      border: 4px solid rgba(2, 6, 23, .95);
      background: linear-gradient(135deg, #f59e0b, #38bdf8);
      box-shadow: 0 0 0 6px rgba(245,158,11,.08);
    }

    .faq-item {
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(15, 23, 42, .74);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 1rem 1.1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      font-weight: 700;
      color: #fff;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: "+";
      font-size: 1.25rem;
      line-height: 1;
      color: #fbbf24;
      transition: transform .2s ease;
    }
    .faq-item[open] summary::after {
      content: "–";
      transform: rotate(180deg);
    }
    .faq-content {
      padding: 0 1.1rem 1rem 1.1rem;
      color: #cbd5e1;
    }

    input[type="search"]:focus-visible,
    .focus-ring:focus-visible {
      outline: 2px solid rgba(245,158,11,.55);
      outline-offset: 2px;
    }

    @media (max-width: 1024px) {
      .shell { width: min(1200px, calc(100% - 1.5rem)); }
      .timeline::before { left: 17px; }
    }
    @media (max-width: 768px) {
      .section-divider { margin-top: 1rem; }
      .timeline::before { left: 16px; }
      .timeline-step { padding-left: 3rem; }
    }
    @media (max-width: 520px) {
      .shell { width: min(1200px, calc(100% - 1rem)); }
      .nav-link { width: 100%; justify-content: center; }
      .btn-primary, .btn-secondary { width: 100%; }
      .input-panel {
        border-radius: 22px;
        padding: .65rem;
        flex-direction: column;
        align-items: stretch;
      }
      .input-panel input[type="search"] {
        padding: .75rem .9rem;
        width: 100%;
      }
    }

/* roulang page: category3 */
:root{
      --bg:#070b16;
      --bg-soft:#0f172a;
      --card:rgba(15,23,42,.72);
      --card-strong:rgba(15,23,42,.92);
      --text:#f8fafc;
      --muted:#94a3b8;
      --muted-2:#64748b;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(255,255,255,.18);
      --primary:#f6c768;
      --secondary:#7dd3fc;
      --accent:#c084fc;
      --radius:24px;
      --radius-lg:32px;
      --shadow:0 24px 80px rgba(0,0,0,.35);
      --shadow-soft:0 14px 40px rgba(15,23,42,.28);
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(125,211,252,.18), transparent 30%),
        radial-gradient(circle at 86% 14%, rgba(246,199,104,.18), transparent 28%),
        radial-gradient(circle at 55% 70%, rgba(192,132,252,.12), transparent 36%),
        linear-gradient(180deg,#070b16 0%,#0b1120 48%,#050816 100%);
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(246,199,104,.35);color:#fff}
    .shell{
      width:min(1180px, calc(100% - 40px));
      margin-inline:auto;
    }
    .glass{
      background:linear-gradient(180deg,rgba(15,23,42,.78),rgba(15,23,42,.54));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(7,11,22,.72);
      backdrop-filter:blur(20px);
    }
    .header-inner{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      display:inline-flex;
      width:44px;
      height:44px;
      align-items:center;
      justify-content:center;
      border-radius:18px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#0f172a;
      font-weight:950;
      box-shadow:0 18px 34px rgba(125,211,252,.18);
      flex:0 0 auto;
    }
    .brand-title{
      font-size:17px;
      font-weight:900;
      letter-spacing:-.02em;
      color:#fff;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .brand-sub{
      margin-top:1px;
      font-size:12px;
      color:var(--muted);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      color:#cbd5e1;
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
      border:1px solid transparent;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.10);
      transform:translateY(-1px);
    }
    .nav-link.active,
    .nav-link[aria-current="page"]{
      color:#111827;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 34px rgba(125,211,252,.16);
    }
    .header-action{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .mini-search{
      display:flex;
      align-items:center;
      gap:8px;
      height:42px;
      min-width:210px;
      padding:0 14px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      color:#94a3b8;
      background:rgba(255,255,255,.045);
      transition:var(--ease);
    }
    .mini-search:focus-within{
      border-color:rgba(125,211,252,.55);
      box-shadow:0 0 0 4px rgba(125,211,252,.12);
    }
    .mini-search input{
      width:100%;
      border:0;
      outline:0;
      color:#e2e8f0;
      background:transparent;
      font-size:13px;
    }
    .mini-search input::placeholder{color:#64748b}
    .menu-btn{
      display:none;
      width:42px;
      height:42px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:16px;
      background:rgba(255,255,255,.06);
      color:#fff;
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .menu-btn:hover{background:rgba(255,255,255,.10)}
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(255,255,255,.08);
      padding:12px 0 18px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .nav-link{
      width:100%;
      justify-content:flex-start;
      margin:4px 0;
      border-radius:16px;
    }
    .hero{
      position:relative;
      padding:76px 0 54px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.78fr);
      gap:34px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:#e2e8f0;
      font-size:13px;
      font-weight:800;
    }
    .eyebrow-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(246,199,104,.12);
    }
    .hero-title{
      margin:22px 0 0;
      font-size:clamp(38px,5.3vw,72px);
      line-height:1.04;
      font-weight:950;
      letter-spacing:-.055em;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 18%,#f6c768 52%,#7dd3fc 88%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-desc{
      margin-top:22px;
      max-width:720px;
      color:#cbd5e1;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      margin-top:30px;
      display:flex;
      flex-wrap:wrap;
      gap:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      transition:var(--ease);
      outline:none;
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .footer-link:focus-visible,
    .menu-btn:focus-visible{
      outline:3px solid rgba(125,211,252,.45);
      outline-offset:3px;
    }
    .btn-primary{
      color:#111827;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 16px 38px rgba(125,211,252,.18);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(125,211,252,.24)}
    .btn-secondary{
      color:#e2e8f0;
      border-color:rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.10);transform:translateY(-2px)}
    .visual-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:24px;
      min-height:430px;
    }
    .visual-card:before{
      content:"";
      position:absolute;
      inset:-80px -120px auto auto;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(125,211,252,.20);
      filter:blur(8px);
    }
    .visual-top{
      position:relative;
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:8px 11px;
      background:rgba(22,163,74,.12);
      border:1px solid rgba(74,222,128,.22);
      color:#bbf7d0;
      font-size:12px;
      font-weight:800;
    }
    .pulse{
      width:8px;height:8px;border-radius:50%;
      background:#4ade80;
      box-shadow:0 0 0 7px rgba(74,222,128,.12);
    }
    .speed-ring{
      position:relative;
      margin:42px auto 0;
      width:214px;
      height:214px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:
        conic-gradient(from 220deg,var(--secondary),var(--primary) 68%,rgba(255,255,255,.08) 0),
        rgba(255,255,255,.04);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),0 22px 70px rgba(0,0,0,.25);
    }
    .speed-ring:after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:50%;
      background:#0f172a;
      border:1px solid rgba(255,255,255,.10);
    }
    .speed-ring-content{
      position:relative;
      z-index:1;
      text-align:center;
    }
    .speed-ring-content strong{
      display:block;
      font-size:46px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .speed-ring-content span{
      display:block;
      margin-top:8px;
      color:#94a3b8;
      font-size:13px;
      font-weight:800;
    }
    .visual-list{
      position:relative;
      margin-top:32px;
      display:grid;
      gap:12px;
    }
    .visual-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 15px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      color:#e2e8f0;
    }
    .visual-item span:last-child{color:#94a3b8;font-size:13px}
    main{position:relative}
    .section{
      padding:54px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:13px;
      font-weight:950;
      letter-spacing:.08em;
    }
    .section-title{
      margin-top:8px;
      font-size:clamp(28px,3.2vw,44px);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.04em;
      color:#fff;
    }
    .section-desc{
      max-width:580px;
      color:#94a3b8;
      font-size:15px;
      line-height:1.85;
    }
    .card{
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(125,211,252,.24);
      box-shadow:0 24px 70px rgba(0,0,0,.30);
    }
    .feature-card{
      padding:24px;
      min-height:240px;
    }
    .icon-box{
      width:48px;height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:18px;
      background:linear-gradient(135deg,rgba(246,199,104,.20),rgba(125,211,252,.16));
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      font-size:22px;
    }
    .feature-card h3{
      margin-top:18px;
      font-size:20px;
      font-weight:950;
      color:#fff;
    }
    .feature-card p{
      margin-top:10px;
      color:#94a3b8;
      font-size:14px;
      line-height:1.85;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:#cbd5e1;
      font-size:12px;
      font-weight:800;
    }
    .scenario{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .scenario-card{
      padding:24px;
      display:flex;
      gap:18px;
      align-items:flex-start;
    }
    .num{
      flex:0 0 auto;
      width:38px;height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      color:#111827;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-weight:950;
    }
    .scenario-card h3{
      font-size:18px;
      font-weight:950;
      color:#fff;
    }
    .scenario-card p{
      margin-top:7px;
      color:#94a3b8;
      font-size:14px;
      line-height:1.8;
    }
    .process-wrap{
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(135deg,rgba(125,211,252,.08),transparent 34%),
        linear-gradient(180deg,rgba(15,23,42,.82),rgba(15,23,42,.56));
    }
    .step{
      position:relative;
      padding:20px 20px 20px 62px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.045);
    }
    .step:before{
      content:attr(data-step);
      position:absolute;
      left:18px;top:20px;
      width:30px;height:30px;
      border-radius:11px;
      display:grid;
      place-items:center;
      background:rgba(246,199,104,.14);
      color:#f6c768;
      font-weight:950;
      font-size:13px;
    }
    .step h3{font-size:17px;font-weight:950;color:#fff}
    .step p{margin-top:6px;color:#94a3b8;font-size:14px;line-height:1.75}
    .metric-panel{
      padding:26px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(246,199,104,.13),rgba(125,211,252,.08));
      border:1px solid rgba(255,255,255,.12);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:20px;
    }
    .metric{
      padding:16px;
      border-radius:20px;
      background:rgba(15,23,42,.62);
      border:1px solid rgba(255,255,255,.10);
    }
    .metric strong{
      display:block;
      font-size:30px;
      line-height:1.05;
      font-weight:950;
      letter-spacing:-.04em;
      color:#fff;
    }
    .metric span{display:block;margin-top:8px;color:#94a3b8;font-size:13px}
    .check-list{display:grid;gap:12px}
    .check-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.09);
      color:#cbd5e1;
      font-size:14px;
    }
    .check{
      flex:0 0 auto;
      width:22px;height:22px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      background:rgba(125,211,252,.15);
      color:#7dd3fc;
      font-weight:950;
      font-size:13px;
    }
    .faq-item{
      padding:22px 24px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.045);
      transition:var(--ease);
    }
    .faq-item:hover{background:rgba(255,255,255,.065);border-color:rgba(246,199,104,.20)}
    .faq-item h3{
      font-size:17px;
      font-weight:950;
      color:#fff;
    }
    .faq-item p{
      margin-top:10px;
      color:#94a3b8;
      font-size:14px;
      line-height:1.85;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:38px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 80% 18%,rgba(246,199,104,.22),transparent 30%),
        radial-gradient(circle at 12% 80%,rgba(125,211,252,.18),transparent 34%),
        linear-gradient(135deg,rgba(15,23,42,.96),rgba(15,23,42,.68));
      box-shadow:var(--shadow);
    }
    .cta-box:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-100px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(125,211,252,.13);
      filter:blur(4px);
    }
    .cta-content{position:relative;z-index:1}
    .section-divider{
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
    }
    .footer-link{
      color:#94a3b8;
      transition:var(--ease);
    }
    .footer-link:hover{
      color:#fff;
      padding-left:3px;
    }
    @media (max-width:1024px){
      .header-action .mini-search{display:none}
      .menu-btn{display:inline-flex}
      .hero-grid{grid-template-columns:1fr}
      .visual-card{min-height:auto}
      .section-head{align-items:flex-start;flex-direction:column}
      .scenario{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(3,1fr)}
      .brand-title{max-width:300px}
    }
    @media (max-width:768px){
      .shell{width:min(100% - 28px,1180px)}
      .header-inner{height:68px}
      .brand-title{max-width:220px;font-size:15px}
      .brand-sub{display:none}
      .hero{padding:48px 0 34px}
      .hero-desc{font-size:16px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .visual-card{padding:20px;border-radius:26px}
      .section{padding:40px 0}
      .feature-card{min-height:auto}
      .metric-grid{grid-template-columns:1fr}
      .process-wrap{padding:18px}
      .cta-box{padding:28px 22px;border-radius:28px}
    }
    @media (max-width:520px){
      .brand-mark{width:40px;height:40px;border-radius:15px}
      .brand-title{max-width:178px}
      .hero-title{font-size:38px}
      .speed-ring{width:178px;height:178px}
      .speed-ring-content strong{font-size:38px}
      .scenario-card{flex-direction:column}
      .metric strong{font-size:26px}
      .section-title{font-size:28px}
      .hero-actions .btn{min-height:46px}
    }