/* roulang page: index */
:root{
      --ink:#1d1d1b;
      --muted:#65746d;
      --deep:#12362f;
      --deep-2:#163735;
      --deep-3:#0b2722;
      --amber:#d99a2b;
      --amber-2:#f1bd5a;
      --paper:#f7f3ea;
      --paper-2:#efe8db;
      --mist:#e7e1d6;
      --line:rgba(18,54,47,.14);
      --line-dark:rgba(247,243,234,.18);
      --white:#fffaf1;
      --orange:#c86b3f;
      --green-soft:#dce9df;
      --shadow-sm:0 10px 28px rgba(18,54,47,.08);
      --shadow-md:0 22px 55px rgba(18,54,47,.14);
      --shadow-dark:0 28px 70px rgba(0,0,0,.22);
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:30px;
      --radius-xl:38px;
      --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      --ease:all .24s ease-out;
      --nav-h:76px;
    }

    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(217,154,43,.16), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(18,54,47,.12), transparent 32%),
        linear-gradient(180deg,var(--paper) 0%,#f4eedf 52%,#eee6d8 100%);
      line-height:1.78;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--deep)}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(217,154,43,.34);color:var(--deep)}
    :focus-visible{
      outline:3px solid rgba(217,154,43,.75);
      outline-offset:3px;
      border-radius:12px;
    }

    .container{
      width:min(100% - 32px, 1200px);
      max-width:1200px;
      padding-left:0;
      padding-right:0;
    }

    .site-header{
      position:fixed;
      top:18px;
      left:0;
      right:0;
      z-index:1030;
      pointer-events:none;
    }
    .dock-navbar{
      pointer-events:auto;
      width:min(1180px, calc(100% - 32px));
      margin:0 auto;
      min-height:64px;
      padding:10px 12px 10px 16px;
      border:1px solid rgba(247,243,234,.54);
      border-radius:999px;
      background:rgba(247,243,234,.78);
      box-shadow:0 18px 45px rgba(18,54,47,.16);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .navbar-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--deep);
      font-weight:800;
      letter-spacing:-.03em;
      max-width:380px;
      margin-right:18px;
      white-space:normal;
      line-height:1.22;
    }
    .brand-mark{
      flex:0 0 auto;
      width:42px;height:42px;
      display:grid;place-items:center;
      border-radius:15px;
      color:var(--paper);
      background:
        linear-gradient(135deg,rgba(217,154,43,.95),rgba(18,54,47,.92)),
        var(--deep);
      box-shadow:0 12px 22px rgba(18,54,47,.22);
    }
    .brand-text{font-size:15px}
    .nav-main{
      gap:8px;
      align-items:center;
    }
    .nav-main .nav-link{
      color:rgba(18,54,47,.78);
      font-weight:700;
      font-size:14px;
      padding:10px 16px;
      border-radius:999px;
      position:relative;
    }
    .nav-main .nav-link:hover{
      color:var(--deep);
      background:rgba(18,54,47,.08);
    }
    .nav-main .nav-link.active{
      color:var(--paper);
      background:var(--deep);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .navbar-toggler{
      border:0;
      width:44px;height:44px;
      border-radius:16px;
      background:rgba(18,54,47,.08);
      color:var(--deep);
      padding:0;
      display:grid;
      place-items:center;
    }
    .navbar-toggler:focus{box-shadow:none}
    .navbar-toggler-icon{
      width:22px;height:2px;
      background:var(--deep);
      position:relative;
      display:block;
      border-radius:99px;
    }
    .navbar-toggler-icon::before,.navbar-toggler-icon::after{
      content:"";
      position:absolute;
      left:0;
      width:22px;height:2px;
      background:var(--deep);
      border-radius:99px;
    }
    .navbar-toggler-icon::before{top:-7px}
    .navbar-toggler-icon::after{top:7px}

    .btn{
      --bs-btn-border-width:1px;
      border-radius:999px;
      padding:12px 20px;
      font-weight:800;
      letter-spacing:-.01em;
      transition:var(--ease);
      border:1px solid transparent;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      line-height:1.2;
    }
    .btn:active{transform:translateY(0) scale(.99)}
    .btn-primary-custom{
      background:var(--deep);
      color:var(--paper);
      border-color:rgba(18,54,47,.35);
      box-shadow:0 14px 28px rgba(18,54,47,.2);
    }
    .btn-primary-custom:hover{
      background:var(--amber);
      color:var(--deep);
      border-color:rgba(217,154,43,.8);
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(217,154,43,.22);
    }
    .btn-secondary-custom{
      background:rgba(247,243,234,.72);
      color:var(--deep);
      border-color:rgba(18,54,47,.2);
    }
    .btn-secondary-custom:hover{
      background:var(--paper-2);
      color:var(--deep);
      border-color:rgba(217,154,43,.7);
      transform:translateY(-2px);
    }
    .btn-light-custom{
      background:var(--paper);
      color:var(--deep);
      border-color:rgba(247,243,234,.28);
    }
    .btn-light-custom:hover{
      background:var(--amber);
      color:var(--deep);
      transform:translateY(-2px);
    }

    .offcanvas{
      background:linear-gradient(180deg,var(--paper),var(--paper-2));
      color:var(--deep);
      border-left:1px solid var(--line);
    }
    .offcanvas-title{
      font-weight:800;
      color:var(--deep);
    }
    .offcanvas .nav-link{
      padding:14px 16px;
      border-radius:18px;
      font-weight:800;
      color:var(--deep);
      min-height:48px;
    }
    .offcanvas .nav-link.active,
    .offcanvas .nav-link:hover{
      background:var(--deep);
      color:var(--paper);
    }

    main{padding-top:0}
    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:center;
      padding:126px 0 72px;
      color:var(--paper);
      background:
        linear-gradient(135deg,rgba(18,54,47,.96),rgba(11,39,34,.92)),
        var(--deep);
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        radial-gradient(circle at 20% 25%,rgba(217,154,43,.22),transparent 22%),
        radial-gradient(circle at 80% 12%,rgba(247,243,234,.12),transparent 24%),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(180deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:auto,auto,48px 48px,48px 48px;
      opacity:.8;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;height:520px;
      right:-120px;bottom:-180px;
      border-radius:50%;
      background:rgba(217,154,43,.16);
      filter:blur(8px);
    }
    .hero .container{position:relative;z-index:1}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(247,243,234,.22);
      border-radius:999px;
      background:rgba(247,243,234,.08);
      color:rgba(247,243,234,.88);
      font-size:13px;
      font-weight:800;
      margin-bottom:22px;
    }
    .eyebrow i{
      width:9px;height:9px;border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 6px rgba(217,154,43,.14);
    }
    h1,h2,h3,h4{letter-spacing:-.045em;line-height:1.22}
    .hero h1{
      font-size:clamp(34px,5vw,58px);
      font-weight:800;
      margin:0 0 22px;
      max-width:760px;
    }
    .hero-lead{
      color:rgba(247,243,234,.78);
      font-size:17px;
      line-height:1.9;
      max-width:650px;
      margin:0 0 24px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:0 0 30px;
    }
    .risk-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      font-size:12px;
      line-height:1;
      font-weight:800;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .risk-badge.high{background:rgba(200,107,63,.16);color:#ffe2d4;border-color:rgba(200,107,63,.35)}
    .risk-badge.mid{background:rgba(217,154,43,.18);color:#ffe0a0;border-color:rgba(217,154,43,.42)}
    .risk-badge.low{background:rgba(220,233,223,.14);color:#e5f4e9;border-color:rgba(220,233,223,.24)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}

    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:650px;
    }
    .metric{
      border:1px solid rgba(247,243,234,.16);
      border-radius:22px;
      padding:15px;
      background:rgba(247,243,234,.08);
    }
    .metric strong{
      display:block;
      font-size:24px;
      color:var(--amber-2);
      line-height:1;
      margin-bottom:8px;
    }
    .metric span{
      color:rgba(247,243,234,.72);
      font-size:13px;
      font-weight:700;
    }

    .scan-stage{
      position:relative;
      min-height:530px;
      display:grid;
      place-items:center;
    }
    .poster-stack{
      width:min(100%,430px);
      position:relative;
      aspect-ratio:4/5;
    }
    .poster-card{
      position:absolute;
      inset:0;
      border-radius:34px;
      border:1px solid rgba(247,243,234,.18);
      background:
        radial-gradient(circle at 28% 18%,rgba(217,154,43,.36),transparent 28%),
        linear-gradient(155deg,rgba(247,243,234,.16),rgba(247,243,234,.05) 42%,rgba(0,0,0,.22)),
        var(--deep-2);
      box-shadow:var(--shadow-dark);
      overflow:hidden;
      padding:26px;
    }
    .poster-card::before{
      content:"";
      position:absolute;
      left:24px;right:24px;top:92px;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(217,154,43,.85),transparent);
      box-shadow:0 52px 0 rgba(247,243,234,.16),0 104px 0 rgba(247,243,234,.10),0 156px 0 rgba(247,243,234,.08);
    }
    .poster-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.28));
      pointer-events:none;
    }
    .poster-label{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      color:rgba(247,243,234,.78);
      font-size:12px;
      font-weight:800;
    }
    .poster-title{
      position:absolute;
      z-index:1;
      left:26px;right:26px;bottom:28px;
    }
    .poster-title h2{
      margin:0 0 10px;
      color:var(--paper);
      font-weight:800;
      font-size:30px;
    }
    .poster-title p{
      margin:0;
      color:rgba(247,243,234,.72);
      font-size:14px;
      line-height:1.7;
    }
    .floating-note{
      position:absolute;
      border-radius:22px;
      padding:15px 16px;
      background:rgba(247,243,234,.92);
      color:var(--deep);
      box-shadow:0 18px 42px rgba(0,0,0,.24);
      border:1px solid rgba(247,243,234,.55);
      max-width:210px;
      z-index:3;
    }
    .floating-note strong{display:block;font-size:14px;margin-bottom:4px}
    .floating-note span{display:block;font-size:12px;color:var(--muted);line-height:1.55}
    .floating-note.one{left:-10px;top:72px}
    .floating-note.two{right:-10px;bottom:92px}

    .section{
      padding:88px 0;
      position:relative;
    }
    .section.compact{padding:66px 0}
    .section-dark{
      background:
        radial-gradient(circle at 10% 0%,rgba(217,154,43,.16),transparent 28%),
        linear-gradient(180deg,var(--deep-2),var(--deep-3));
      color:var(--paper);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:32px;
    }
    .section-kicker{
      display:inline-flex;
      color:var(--amber);
      font-size:13px;
      font-weight:900;
      letter-spacing:.06em;
      margin-bottom:8px;
    }
    .section-title{
      margin:0;
      color:var(--deep);
      font-weight:800;
      font-size:clamp(28px,3.4vw,40px);
    }
    .section-dark .section-title{color:var(--paper)}
    .section-desc{
      max-width:520px;
      color:var(--muted);
      margin:0;
      font-size:15.5px;
    }
    .section-dark .section-desc{color:rgba(247,243,234,.68)}

    .rail{
      display:flex;
      gap:18px;
      overflow-x:auto;
      scroll-snap-type:x mandatory;
      padding:8px 4px 18px;
      scrollbar-width:thin;
      scrollbar-color:rgba(217,154,43,.7) rgba(247,243,234,.22);
    }
    .rail::-webkit-scrollbar{height:8px}
    .rail::-webkit-scrollbar-thumb{background:rgba(217,154,43,.7);border-radius:999px}
    .rail::-webkit-scrollbar-track{background:rgba(247,243,234,.18);border-radius:999px}
    .topic-poster{
      flex:0 0 260px;
      min-height:330px;
      scroll-snap-align:start;
      border-radius:28px;
      padding:20px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      border:1px solid var(--line);
      background:
        radial-gradient(circle at 80% 10%,rgba(217,154,43,.22),transparent 30%),
        linear-gradient(145deg,#fff9ee,var(--paper-2));
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .topic-poster:nth-child(even){
      color:var(--paper);
      background:
        radial-gradient(circle at 20% 8%,rgba(217,154,43,.3),transparent 32%),
        linear-gradient(145deg,var(--deep),var(--deep-3));
      border-color:rgba(247,243,234,.16);
    }
    .topic-poster:hover{
      transform:translateY(-4px);
      border-color:rgba(217,154,43,.8);
      box-shadow:var(--shadow-md);
    }
    .poster-num{
      width:42px;height:42px;
      display:grid;place-items:center;
      border-radius:16px;
      background:rgba(18,54,47,.1);
      color:var(--deep);
      font-weight:900;
    }
    .topic-poster:nth-child(even) .poster-num{
      background:rgba(247,243,234,.12);
      color:var(--amber-2);
    }
    .topic-poster h3{
      font-size:22px;
      font-weight:800;
      margin:18px 0 10px;
    }
    .topic-poster p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
    }
    .topic-poster:nth-child(even) p{color:rgba(247,243,234,.68)}
    .poster-meta{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:center;
      margin-top:20px;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
    }
    .topic-poster:nth-child(even) .poster-meta{color:rgba(247,243,234,.64)}

    .feature-layout{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:24px;
      align-items:stretch;
    }
    .feature-card{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        radial-gradient(circle at 82% 12%,rgba(217,154,43,.22),transparent 28%),
        linear-gradient(145deg,#fffaf1,#eee5d6);
      box-shadow:var(--shadow-md);
      min-height:410px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--ease);
    }
    .feature-card:hover{transform:translateY(-3px);border-color:rgba(217,154,43,.7)}
    .feature-card h3{
      color:var(--deep);
      font-weight:800;
      font-size:32px;
      margin:10px 0 14px;
    }
    .feature-card p{
      color:var(--muted);
      margin:0;
      max-width:680px;
    }
    .mini-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
    .mini-tag{
      padding:7px 11px;
      border-radius:999px;
      background:rgba(18,54,47,.08);
      color:var(--deep);
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(18,54,47,.08);
    }
    .rank-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .rank-item{
      display:grid;
      grid-template-columns:42px 1fr auto;
      gap:12px;
      align-items:center;
      border:1px solid var(--line);
      border-radius:22px;
      padding:14px;
      background:rgba(255,250,241,.74);
      box-shadow:0 10px 24px rgba(18,54,47,.06);
      transition:var(--ease);
    }
    .rank-item:hover{
      transform:translateX(3px);
      border-color:rgba(217,154,43,.78);
      background:#fff8eb;
    }
    .rank-num{
      width:42px;height:42px;
      display:grid;place-items:center;
      border-radius:16px;
      background:var(--deep);
      color:var(--paper);
      font-weight:900;
    }
    .rank-item h4{
      margin:0 0 4px;
      font-size:16px;
      font-weight:800;
      color:var(--deep);
    }
    .rank-item p{
      margin:0;
      font-size:13px;
      color:var(--muted);
      line-height:1.55;
    }
    .heat{
      color:var(--orange);
      background:rgba(200,107,63,.12);
      border:1px solid rgba(200,107,63,.18);
      border-radius:999px;
      padding:6px 9px;
      font-size:12px;
      font-weight:900;
      white-space:nowrap;
    }

    .matrix{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
    }
    .matrix-card{
      border:1px solid var(--line);
      border-radius:28px;
      padding:24px;
      background:rgba(255,250,241,.76);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      min-height:210px;
      position:relative;
      overflow:hidden;
    }
    .matrix-card::after{
      content:"";
      position:absolute;
      right:-60px;top:-60px;
      width:160px;height:160px;
      border-radius:50%;
      background:rgba(217,154,43,.12);
    }
    .matrix-card:hover{
      transform:translateY(-3px);
      border-color:rgba(217,154,43,.75);
      box-shadow:var(--shadow-md);
    }
    .matrix-card.wide{grid-column:span 7}
    .matrix-card.tall{grid-column:span 5;min-height:438px;background:linear-gradient(160deg,var(--deep),var(--deep-3));color:var(--paper)}
    .matrix-card.half{grid-column:span 4}
    .matrix-card h3{
      position:relative;
      z-index:1;
      color:var(--deep);
      font-size:22px;
      font-weight:800;
      margin:12px 0 10px;
    }
    .matrix-card.tall h3{color:var(--paper);font-size:28px}
    .matrix-card p{
      position:relative;
      z-index:1;
      color:var(--muted);
      margin:0;
      font-size:14.5px;
      line-height:1.75;
    }
    .matrix-card.tall p{color:rgba(247,243,234,.7)}
    .card-icon{
      position:relative;
      z-index:1;
      width:48px;height:48px;
      display:grid;place-items:center;
      border-radius:18px;
      background:rgba(18,54,47,.1);
      color:var(--deep);
      font-weight:900;
    }
    .matrix-card.tall .card-icon{background:rgba(247,243,234,.12);color:var(--amber-2)}
    .check-list{
      position:relative;
      z-index:1;
      list-style:none;
      padding:0;
      margin:22px 0 0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:rgba(247,243,234,.78);
      font-size:14px;
    }
    .check-list li::before{
      content:"";
      flex:0 0 9px;
      width:9px;height:9px;
      margin-top:9px;
      border-radius:999px;
      background:var(--amber);
    }

    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .step-card{
      counter-increment:step;
      position:relative;
      border-radius:28px;
      padding:24px;
      min-height:250px;
      border:1px solid rgba(247,243,234,.16);
      background:rgba(247,243,234,.08);
      color:var(--paper);
      transition:var(--ease);
      overflow:hidden;
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:rgba(217,154,43,.65);
      background:rgba(247,243,234,.12);
    }
    .step-card::before{
      content:"0" counter(step);
      position:absolute;
      top:18px;right:18px;
      color:rgba(217,154,43,.36);
      font-size:42px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.06em;
    }
    .step-icon{
      width:48px;height:48px;
      display:grid;place-items:center;
      border-radius:18px;
      background:rgba(217,154,43,.18);
      color:var(--amber-2);
      margin-bottom:26px;
      font-weight:900;
    }
    .step-card h3{
      font-size:20px;
      font-weight:800;
      margin:0 0 10px;
    }
    .step-card p{
      margin:0;
      color:rgba(247,243,234,.68);
      font-size:14px;
      line-height:1.75;
    }

    .evidence-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .evidence-card{
      border-radius:28px;
      border:1px solid var(--line);
      background:rgba(255,250,241,.7);
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .evidence-card:hover{transform:translateY(-3px);border-color:rgba(217,154,43,.72)}
    .evidence-card strong{
      display:block;
      color:var(--deep);
      font-size:34px;
      line-height:1;
      font-weight:900;
      margin-bottom:12px;
    }
    .evidence-card h3{
      font-size:18px;
      color:var(--deep);
      font-weight:800;
      margin:0 0 8px;
    }
    .evidence-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .accordion{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid var(--line);
      border-radius:22px !important;
      overflow:hidden;
      background:rgba(255,250,241,.76);
      box-shadow:0 10px 26px rgba(18,54,47,.06);
    }
    .accordion-button{
      background:transparent;
      color:var(--deep);
      font-weight:900;
      padding:19px 22px;
      border-radius:22px !important;
      box-shadow:none !important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      background:rgba(217,154,43,.12);
      color:var(--deep);
    }
    .accordion-button::after{
      filter:sepia(1) saturate(1.4) hue-rotate(350deg);
    }
    .accordion-body{
      border-left:4px solid var(--amber);
      margin:0 22px 22px;
      padding:0 0 0 16px;
      color:var(--muted);
      line-height:1.85;
      font-size:15px;
    }

    .cta-panel{
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 18% 20%,rgba(217,154,43,.22),transparent 28%),
        linear-gradient(135deg,var(--deep),var(--deep-3));
      color:var(--paper);
      padding:36px;
      box-shadow:var(--shadow-dark);
      overflow:hidden;
      position:relative;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      right:-80px;bottom:-90px;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(247,243,234,.08);
    }
    .cta-panel h2{
      font-size:clamp(26px,3vw,38px);
      font-weight:800;
      margin:0 0 12px;
    }
    .cta-panel p{
      color:rgba(247,243,234,.72);
      margin:0;
      max-width:620px;
    }
    .form-card{
      position:relative;
      z-index:1;
      border:1px solid rgba(247,243,234,.18);
      border-radius:26px;
      background:rgba(247,243,234,.08);
      padding:18px;
    }
    .form-label{
      color:rgba(247,243,234,.78);
      font-size:13px;
      font-weight:800;
      margin-bottom:7px;
    }
    .form-control,.form-select{
      border-radius:16px;
      border:1px solid rgba(247,243,234,.22);
      background:rgba(255,250,241,.92);
      color:var(--deep);
      min-height:48px;
      padding:12px 14px;
      box-shadow:none;
      transition:var(--ease);
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--amber);
      box-shadow:0 0 0 .24rem rgba(217,154,43,.18);
      background:#fffaf1;
      color:var(--deep);
    }
    .form-hint{
      color:rgba(247,243,234,.58);
      font-size:12px;
      margin-top:10px;
    }

    .site-footer{
      background:var(--deep-3);
      color:var(--paper);
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:28px;
      padding-bottom:32px;
      border-bottom:1px solid rgba(247,243,234,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      margin-bottom:14px;
      line-height:1.25;
    }
    .footer-brand .brand-mark{width:44px;height:44px}
    .footer-desc{
      color:rgba(247,243,234,.62);
      max-width:460px;
      margin:0;
      font-size:14px;
    }
    .footer-title{
      color:var(--paper);
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(247,243,234,.62);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--amber-2);
      padding-left:3px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(247,243,234,.46);
      font-size:13px;
      padding-top:22px;
    }

    @media (min-width:1200px){
      .hero .row{align-items:center}
    }
    @media (max-width:1199.98px){
      .navbar-brand{max-width:310px}
      .brand-text{font-size:14px}
      .scan-stage{min-height:480px}
      .topic-poster{flex-basis:240px}
    }
    @media (max-width:991.98px){
      .site-header{top:10px}
      .dock-navbar{
        border-radius:26px;
        min-height:60px;
      }
      .navbar-brand{max-width:calc(100% - 58px);margin-right:0}
      .hero{
        min-height:auto;
        padding:112px 0 58px;
      }
      .scan-stage{margin-top:30px;min-height:430px}
      .poster-stack{width:min(100%,360px)}
      .floating-note.one{left:4px;top:44px}
      .floating-note.two{right:4px;bottom:54px}
      .section{padding:70px 0}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .feature-layout{grid-template-columns:1fr}
      .matrix-card.wide,.matrix-card.tall,.matrix-card.half{grid-column:span 12}
      .process{grid-template-columns:repeat(2,1fr)}
      .evidence-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767.98px){
      .container{width:min(100% - 24px, 1200px)}
      .dock-navbar{width:calc(100% - 20px);padding:8px 10px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text{font-size:13px}
      .hero h1{font-size:36px}
      .hero-lead{font-size:15.5px}
      .hero-actions .btn{width:100%}
      .hero-metrics{grid-template-columns:1fr}
      .metric{padding:13px}
      .scan-stage{min-height:360px}
      .floating-note{display:none}
      .section{padding:58px 0}
      .topic-poster{flex-basis:78vw;min-height:310px}
      .feature-card{padding:24px;border-radius:30px}
      .feature-card h3{font-size:26px}
      .rank-item{grid-template-columns:38px 1fr;align-items:start}
      .rank-item .heat{grid-column:2}
      .rank-num{width:38px;height:38px}
      .process{grid-template-columns:1fr}
      .evidence-grid{grid-template-columns:1fr}
      .cta-panel{padding:26px 18px;border-radius:30px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:575.98px){
      .hero{padding-top:104px}
      .tag-row{gap:8px}
      .risk-badge{font-size:11px;padding:7px 10px}
      .poster-title h2{font-size:24px}
      .section-title{font-size:28px}
      .matrix-card{padding:20px;border-radius:24px}
      .accordion-button{padding:17px 18px}
      .accordion-body{margin:0 18px 18px}
    }
    @media (max-width:420px){
      .container{width:min(100% - 20px, 1200px)}
      .dock-navbar{width:calc(100% - 14px)}
      .navbar-brand{gap:8px}
      .brand-text{font-size:12px}
      .hero h1{font-size:32px;line-height:1.25}
      .hero-lead{line-height:1.82}
      .topic-poster{flex-basis:84vw}
      .btn{padding:12px 16px}
      .section{padding:50px 0}
    }

/* roulang page: category1 */
:root{
      --ink:#12362f;
      --ink-deep:#0c2723;
      --amber:#d99a2b;
      --amber-soft:#f2d79b;
      --paper:#f7f3ea;
      --warm:#e7e1d6;
      --sage:#dce5dc;
      --sage-deep:#65746d;
      --text:#1d1d1b;
      --muted:#66736d;
      --line:rgba(18,54,47,.14);
      --white:#fffdf8;
      --danger:#b85c3d;
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow:0 18px 48px rgba(20,42,36,.10);
      --shadow-soft:0 8px 24px rgba(20,42,36,.07);
      --ease:all .22s ease-out;
      --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--amber)}
    img,svg{max-width:100%}
    button,input,select,textarea{font:inherit}
    :focus-visible{outline:3px solid rgba(217,154,43,.75);outline-offset:3px}
    ::selection{background:var(--amber-soft);color:var(--ink-deep)}
    .container{max-width:1200px;padding-left:24px;padding-right:24px}
    .site-header{position:relative;z-index:20;padding:22px 16px 0}
    .dock-navbar{max-width:1180px;margin:0 auto;padding:10px 14px 10px 20px;border:1px solid rgba(247,243,234,.2);border-radius:999px;background:rgba(18,54,47,.96);box-shadow:0 14px 36px rgba(12,39,35,.18)}
    .navbar-brand{display:flex;align-items:center;gap:10px;color:var(--paper);font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
    .brand-mark{display:inline-flex;align-items:center;justify-content:center;color:var(--amber);flex:0 0 auto}
    .nav-main{gap:5px}
    .nav-link{position:relative;color:rgba(247,243,234,.78)!important;padding:9px 15px!important;border-radius:999px;font-size:14px;font-weight:650}
    .nav-link:hover{color:var(--paper)!important;background:rgba(247,243,234,.09)}
    .nav-link.active{color:var(--ink)!important;background:var(--paper)}
    .btn{border-radius:999px;font-weight:750;padding:11px 20px;border:1px solid transparent;transition:var(--ease)}
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary-custom{background:var(--amber);color:var(--ink-deep);border-color:var(--amber)}
    .btn-primary-custom:hover{background:#edb341;color:var(--ink-deep);border-color:#edb341}
    .btn-outline-custom{background:transparent;color:var(--ink);border-color:var(--ink)}
    .btn-outline-custom:hover{background:var(--warm);color:var(--ink)}
    .btn-light-custom{background:var(--paper);color:var(--ink);border-color:var(--paper)}
    .btn-light-custom:hover{background:#fff;color:var(--ink)}
    .navbar-toggler{border:1px solid rgba(247,243,234,.35);border-radius:12px;padding:9px 11px}
    .navbar-toggler-icon{filter:invert(1);width:20px;height:20px}
    .offcanvas{background:var(--ink);color:var(--paper)}
    .offcanvas .nav-link{font-size:17px;padding:13px 4px!important;border-bottom:1px solid rgba(247,243,234,.12);border-radius:0}
    .offcanvas .nav-link.active{color:var(--ink)!important;background:var(--paper);padding-left:14px!important}
    .btn-close{filter:invert(1);opacity:.85}
    .category-hero{padding:76px 0 62px;background:linear-gradient(135deg,var(--ink-deep),var(--ink));color:var(--paper);overflow:hidden}
    .category-hero:after{content:"";display:block;position:absolute}
    .breadcrumb{--bs-breadcrumb-divider:"›";margin-bottom:20px}
    .breadcrumb-item,.breadcrumb-item a{color:rgba(247,243,234,.62);font-size:14px}
    .breadcrumb-item.active{color:var(--amber-soft)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--amber-soft);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--amber)}
    h1,h2,h3{font-weight:800;line-height:1.25;letter-spacing:-.025em}
    h1{font-size:clamp(34px,5vw,56px);max-width:780px;margin:15px 0 18px}
    h2{font-size:clamp(28px,3.2vw,38px);margin:0 0 12px;color:var(--ink)}
    h3{font-size:20px;margin:0 0 8px;color:var(--ink)}
    .hero-summary{max-width:750px;color:rgba(247,243,234,.76);font-size:17px;margin:0}
    .hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
    .tag{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:rgba(247,243,234,.1);border:1px solid rgba(247,243,234,.2);color:var(--paper);font-size:13px;font-weight:700}
    .tag.amber{background:rgba(217,154,43,.18);border-color:rgba(217,154,43,.55);color:var(--amber-soft)}
    .section{padding:78px 0}
    .section-soft{background:var(--sage)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
    .section-lead{color:var(--muted);margin:0;max-width:620px}
    .filter-panel{margin-top:-30px;position:relative;z-index:2;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);padding:20px}
    .filter-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
    .filter-label{font-size:14px;color:var(--muted);font-weight:750;margin-right:4px}
    .filter-pill{padding:9px 15px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);font-size:14px;font-weight:700}
    .filter-pill:hover,.filter-pill.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
    .search-box{position:relative;flex:1 1 260px;margin-left:auto}
    .search-box input{width:100%;height:45px;padding:8px 16px;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--text)}
    .search-box input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(217,154,43,.18)}
    .content-grid{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(260px,1fr);gap:32px}
    .feature-card{display:grid;grid-template-columns:1.05fr 1fr;overflow:hidden;background:var(--ink);color:var(--paper);border-radius:var(--radius-xl);box-shadow:var(--shadow);min-height:260px;transition:var(--ease)}
    .feature-card:hover{transform:translateY(-3px);box-shadow:0 24px 55px rgba(20,42,36,.16)}
    .feature-visual{position:relative;min-height:240px;background:linear-gradient(145deg,#2a5a4e,#102d29 65%,#d99a2b);padding:22px}
    .visual-grid{position:absolute;inset:0;opacity:.2;background-image:linear-gradient(rgba(247,243,234,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(247,243,234,.5) 1px,transparent 1px);background-size:32px 32px}
    .scan-mark{position:absolute;left:24px;bottom:26px;width:78%;height:46px;border-top:2px solid var(--amber-soft);border-bottom:1px solid rgba(247,243,234,.4)}
    .scan-mark:after{content:"风险扫描 / 复核记录";position:absolute;right:0;top:9px;color:var(--paper);font-size:12px;letter-spacing:.12em}
    .feature-body{padding:29px}
    .feature-body p{color:rgba(247,243,234,.72);font-size:15px;margin:13px 0 20px}
    .badge-risk{display:inline-flex;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:800;line-height:1.3}
    .risk-high{background:#f1c0a7;color:#6a2d1f}
    .risk-mid{background:#f3d38d;color:#634816}
    .risk-low{background:#cbd9cd;color:#285148}
    .meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:13px}
    .feature-body .meta{color:rgba(247,243,234,.55)}
    .topic-list{margin-top:22px;display:grid;gap:12px}
    .topic-item{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:14px;padding:15px 16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);transition:var(--ease)}
    .topic-item:hover{transform:translateX(3px);border-color:var(--amber);box-shadow:var(--shadow-soft)}
    .topic-number{font-size:20px;font-weight:850;color:var(--amber)}
    .topic-item h3{font-size:16px;margin:0}
    .topic-item .meta{margin-top:3px}
    .side-stack{display:grid;gap:18px}
    .side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:23px;box-shadow:var(--shadow-soft)}
    .side-card h3{font-size:18px;padding-bottom:13px;border-bottom:1px solid var(--line)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
    .cloud-tag{display:inline-block;padding:6px 10px;background:var(--paper);border-radius:9px;color:var(--sage-deep);font-size:13px}
    .notice{border-left:3px solid var(--amber);padding:2px 0 2px 14px;color:var(--muted);font-size:14px}
    .poster-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .poster-card{min-height:205px;padding:23px;border-radius:var(--radius-lg);background:var(--white);border:1px solid var(--line);position:relative;overflow:hidden;transition:var(--ease)}
    .poster-card:before{content:"";position:absolute;right:-34px;top:-38px;width:110px;height:110px;border-radius:50%;background:var(--sage)}
    .poster-card:hover{transform:translateY(-3px);border-color:var(--amber);box-shadow:var(--shadow-soft)}
    .poster-card h3,.poster-card p,.poster-card .badge-risk{position:relative}
    .poster-card p{color:var(--muted);font-size:14px;margin:12px 0 18px}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .process-step{position:relative;padding:22px 18px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md)}
    .process-step:after{content:"";position:absolute;top:31px;right:-16px;width:16px;border-top:1px dashed var(--amber)}
    .process-step:last-child:after{display:none}
    .step-num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:var(--ink);color:var(--amber-soft);font-weight:800;margin-bottom:17px}
    .process-step p{color:var(--muted);font-size:14px;margin:0}
    .accordion{display:grid;gap:10px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;overflow:hidden;background:var(--white)}
    .accordion-button{background:var(--white);color:var(--ink);font-weight:750;padding:18px 20px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:var(--paper);color:var(--ink);border-left:3px solid var(--amber)}
    .accordion-button:after{background-size:14px}
    .accordion-body{padding:0 20px 19px;color:var(--muted);font-size:14px}
    .narrow-cta{background:var(--ink);border-radius:var(--radius-xl);padding:34px 40px;color:var(--paper);display:flex;align-items:center;justify-content:space-between;gap:25px}
    .narrow-cta h2{color:var(--paper);font-size:28px;margin-bottom:7px}
    .narrow-cta p{color:rgba(247,243,234,.68);margin:0;font-size:14px}
    .site-footer{padding:58px 0 25px;background:var(--ink-deep);color:var(--paper)}
    .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:50px}
    .footer-brand{display:flex;align-items:center;gap:10px;font-weight:800}
    .footer-desc{max-width:390px;color:rgba(247,243,234,.62);font-size:14px;margin:17px 0 0}
    .footer-title{font-size:14px;font-weight:800;color:var(--amber-soft);margin-bottom:12px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:7px;color:rgba(247,243,234,.68);font-size:14px}
    .footer-links a:hover{color:var(--amber-soft)}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(247,243,234,.13);margin-top:42px;padding-top:18px;color:rgba(247,243,234,.45);font-size:12px}
    @media (max-width:1199px){.dock-navbar{max-width:960px}.container{max-width:1000px}.content-grid{grid-template-columns:minmax(0,1.7fr) minmax(250px,1fr)}}
    @media (max-width:991px){.dock-navbar{border-radius:22px}.content-grid{grid-template-columns:1fr}.side-stack{grid-template-columns:repeat(2,1fr)}.process-grid{grid-template-columns:repeat(2,1fr)}.process-step:nth-child(2):after{display:none}.feature-card{grid-template-columns:1fr}.feature-visual{min-height:180px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media (max-width:767px){.site-header{padding:12px 10px 0}.dock-navbar{padding:9px 13px 9px 16px}.brand-text{max-width:230px;white-space:normal;line-height:1.35}.category-hero{padding:54px 0 52px}.section{padding:58px 0}.section-head{display:block}.section-head .section-lead{margin-top:10px}.filter-panel{margin-top:-22px}.filter-row{align-items:stretch}.search-box{flex-basis:100%;margin-left:0}.poster-grid{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr}.narrow-cta{display:block;padding:28px 24px}.narrow-cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:5px}}
    @media (max-width:575px){.container{padding-left:18px;padding-right:18px}h1{font-size:35px}.hero-summary{font-size:15px}.feature-body{padding:23px}.topic-item{grid-template-columns:35px 1fr}.topic-item .badge-risk{grid-column:2;justify-self:start}.process-grid{grid-template-columns:1fr}.process-step:after{display:none}.filter-pill{font-size:13px;padding:8px 11px}}
    @media (max-width:420px){.brand-text{font-size:13px;max-width:190px}.category-hero{padding-top:44px}.hero-tags{gap:6px}.tag{font-size:12px}.feature-visual{min-height:145px}.section{padding:50px 0}}