/* roulang page: index */
:root {
      --ink: #f7f8fc;
      --muted: #a6aec4;
      --soft: #737d99;
      --line: rgba(255,255,255,.12);
      --panel: rgba(19,25,46,.82);
      --panel-strong: #171e39;
      --deep: #090d1d;
      --violet: #8f7cff;
      --violet-dark: #6c5be8;
      --cyan: #54d9df;
      --orange: #ffb45c;
      --radius-lg: 28px;
      --radius-md: 18px;
      --shadow: 0 24px 70px rgba(0,0,0,.36);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(143,124,255,.18), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(84,217,223,.10), transparent 24%),
        var(--deep);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.8;
    }

    a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible { outline: 3px solid rgba(84,217,223,.75); outline-offset: 4px; }
    h1, h2, h3, p { margin-top: 0; }
    h1, h2, h3 { line-height: 1.2; letter-spacing: -.03em; }
    p { color: var(--muted); }
    .container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .16em;
      text-transform: uppercase;
    }
    .eyebrow::before {
      content: "";
      width: 24px;
      height: 1px;
      background: var(--cyan);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid var(--line);
      background: rgba(9,13,29,.78);
      backdrop-filter: blur(18px);
    }
    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 18px;
      font-weight: 800;
      white-space: nowrap;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 11px;
      color: #fff;
      background: linear-gradient(135deg, var(--violet), var(--cyan));
      box-shadow: 0 8px 22px rgba(143,124,255,.3);
      font-size: 15px;
    }
    .nav-links { display: flex; align-items: center; gap: 8px; }
    .nav-links a {
      padding: 9px 14px;
      border: 1px solid transparent;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--ink);
      border-color: var(--line);
      background: rgba(255,255,255,.06);
    }
    .nav-cta {
      padding: 10px 18px !important;
      color: #11152a !important;
      background: var(--cyan) !important;
      font-weight: 800;
    }
    .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(84,217,223,.22); }

    .hero { padding: 88px 0 64px; }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 64px;
      align-items: center;
    }
    .hero h1 {
      max-width: 700px;
      margin: 18px 0 22px;
      font-size: clamp(42px, 6vw, 76px);
    }
    .hero h1 span { color: var(--cyan); }
    .hero-copy { max-width: 650px; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 21px;
      border: 1px solid transparent;
      border-radius: 13px;
      font-weight: 800;
      cursor: pointer;
    }
    .button-primary { color: #11152a; background: var(--cyan); }
    .button-primary:hover { transform: translateY(-2px); background: #79e7e9; box-shadow: 0 12px 28px rgba(84,217,223,.2); }
    .button-secondary { color: var(--ink); border-color: var(--line); background: rgba(255,255,255,.05); }
    .button-secondary:hover { border-color: rgba(84,217,223,.5); background: rgba(84,217,223,.08); }
    .hero-note { margin-top: 20px; font-size: 13px; color: var(--soft); }

    .access-panel {
      position: relative;
      min-height: 430px;
      padding: 30px;
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: linear-gradient(155deg, rgba(31,39,72,.95), rgba(15,20,40,.88));
      box-shadow: var(--shadow);
    }
    .access-panel::before, .access-panel::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      filter: blur(2px);
      pointer-events: none;
    }
    .access-panel::before { width: 180px; height: 180px; top: -70px; right: -40px; background: rgba(143,124,255,.35); }
    .access-panel::after { width: 120px; height: 120px; bottom: -30px; left: -25px; background: rgba(84,217,223,.22); }
    .panel-top { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
    .panel-label { color: var(--muted); font-size: 13px; }
    .status-dot { display: inline-flex; align-items: center; gap: 8px; color: #baf7df; font-size: 13px; }
    .status-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #59e0a4; box-shadow: 0 0 0 5px rgba(89,224,164,.12); }
    .panel-content { position: relative; z-index: 1; padding-top: 72px; text-align: center; }
    .shield { width: 78px; height: 78px; display: grid; place-items: center; margin: 0 auto 22px; border: 1px solid rgba(84,217,223,.38); border-radius: 24px; color: var(--cyan); background: rgba(84,217,223,.10); font-size: 34px; }
    .panel-content h2 { margin-bottom: 12px; font-size: 28px; }
    .panel-content p { margin: 0 auto; max-width: 340px; font-size: 14px; }
    .panel-lines { display: grid; gap: 11px; margin-top: 30px; text-align: left; }
    .panel-line { display: flex; gap: 10px; align-items: flex-start; padding: 11px 13px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); background: rgba(255,255,255,.04); font-size: 13px; }
    .panel-line strong { color: var(--cyan); }

    section { padding: 74px 0; }
    .section-head { max-width: 700px; margin-bottom: 30px; }
    .section-head h2 { margin: 13px 0 12px; font-size: clamp(28px, 4vw, 44px); }
    .section-head p { margin-bottom: 0; }

    .progress-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
    .progress-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; }
    .metric { font-size: clamp(50px, 8vw, 90px); font-weight: 900; line-height: 1; color: var(--cyan); }
    .metric small { display: block; margin-top: 14px; color: var(--muted); font-size: 14px; font-weight: 500; line-height: 1.6; }
    .progress-box { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); }
    .progress-meta { display: flex; justify-content: space-between; margin-bottom: 13px; color: var(--muted); font-size: 14px; }
    .progress-track { height: 13px; overflow: hidden; border-radius: 999px; background: #272f4d; }
    .progress-fill { width: 68%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
    .progress-foot { display: flex; justify-content: space-between; gap: 20px; margin-top: 18px; color: var(--soft); font-size: 13px; }

    .tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .tier-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
    .tier-card:hover { transform: translateY(-5px); border-color: rgba(84,217,223,.45); box-shadow: 0 18px 38px rgba(0,0,0,.2); }
    .tier-card.featured { border-color: rgba(143,124,255,.7); background: linear-gradient(145deg, rgba(49,43,100,.8), var(--panel)); }
    .tier-tag { display: inline-block; padding: 4px 9px; border-radius: 999px; color: #17152d; background: var(--orange); font-size: 11px; font-weight: 900; }
    .tier-card h3 { margin: 20px 0 9px; font-size: 23px; }
    .tier-card p { min-height: 78px; font-size: 14px; }
    .tier-link { color: var(--cyan); font-size: 14px; font-weight: 800; }

    .trust-band { padding: 36px 0; background: #111831; }
    .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .trust-item { padding-left: 18px; border-left: 2px solid var(--violet); }
    .trust-item strong { display: block; margin-bottom: 5px; font-size: 21px; }
    .trust-item span { color: var(--soft); font-size: 13px; }

    .info-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 24px; }
    .info-list, .info-feature { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); }
    .info-list a { display: flex; justify-content: space-between; gap: 20px; padding: 19px 22px; border-bottom: 1px solid var(--line); color: var(--muted); }
    .info-list a:last-child { border-bottom: 0; }
    .info-list a:hover { color: var(--ink); background: rgba(255,255,255,.045); }
    .info-list time { flex: 0 0 auto; color: var(--soft); font-size: 12px; }
    .info-feature { padding: 28px; background: linear-gradient(145deg, rgba(143,124,255,.18), rgba(255,255,255,.035)); }
    .info-feature h3 { margin: 16px 0 10px; font-size: 25px; }
    .info-feature p { font-size: 14px; }

    .faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .faq-item { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.035); }
    .faq-item h3 { margin-bottom: 9px; font-size: 17px; }
    .faq-item p { margin-bottom: 0; font-size: 14px; }

    .cta-section { padding-top: 40px; }
    .cta-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 38px 44px; border: 1px solid rgba(84,217,223,.28); border-radius: var(--radius-lg); background: linear-gradient(100deg, rgba(84,217,223,.12), rgba(143,124,255,.14)); }
    .cta-box h2 { margin-bottom: 10px; font-size: 30px; }
    .cta-box p { max-width: 650px; margin-bottom: 0; }

    .site-footer { margin-top: 70px; padding: 38px 0 28px; border-top: 1px solid var(--line); }
    .footer-top { display: flex; justify-content: space-between; gap: 30px; }
    .footer-brand p { max-width: 390px; margin: 13px 0 0; font-size: 13px; }
    .footer-links { display: flex; gap: 24px; align-items: flex-start; }
    .footer-links a { color: var(--muted); font-size: 13px; }
    .footer-links a:hover { color: var(--cyan); }
    .copyright { margin: 30px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--soft); font-size: 12px; }

    .notice { display: none; margin-top: 16px; padding: 12px 15px; border: 1px solid rgba(255,180,92,.4); border-radius: 12px; color: #ffd7a3; background: rgba(255,180,92,.1); font-size: 13px; }
    .notice.show { display: block; }

    @media (max-width: 900px) {
      .hero-grid, .progress-layout, .info-layout { grid-template-columns: 1fr; gap: 34px; }
      .hero { padding-top: 64px; }
      .access-panel { min-height: 390px; }
      .tier-grid { grid-template-columns: repeat(2, 1fr); }
      .tier-card:last-child { grid-column: 1 / -1; }
    }

    @media (max-width: 640px) {
      .container { width: min(100% - 28px, 1160px); }
      .nav-wrap { min-height: 68px; }
      .brand { font-size: 15px; }
      .brand-mark { width: 30px; height: 30px; }
      .nav-links { gap: 2px; overflow-x: auto; }
      .nav-links a { padding: 7px 9px; font-size: 12px; white-space: nowrap; }
      .nav-cta { display: none !important; }
      .hero { padding: 55px 0 35px; }
      .hero h1 { font-size: 42px; }
      .hero-copy { font-size: 16px; }
      section { padding: 52px 0; }
      .access-panel { padding: 22px; }
      .panel-content { padding-top: 48px; }
      .tier-grid, .trust-grid, .faq-grid { grid-template-columns: 1fr; }
      .tier-card:last-child { grid-column: auto; }
      .trust-item { padding: 13px 0 13px 16px; }
      .info-list a { display: block; }
      .info-list time { display: block; margin-top: 5px; }
      .cta-box, .footer-top { display: block; padding: 28px 23px; }
      .cta-box .button { margin-top: 22px; width: 100%; }
      .footer-links { margin-top: 25px; flex-wrap: wrap; }
    }

/* roulang page: category2 */
:root{
      --ink:#f7f8fc;
      --muted:#a6aec4;
      --soft:#737d99;
      --line:rgba(255,255,255,.12);
      --panel:rgba(19,25,46,.82);
      --panel-strong:#171e39;
      --deep:#090d1d;
      --violet:#8f7cff;
      --violet-dark:#6c5be8;
      --cyan:#54d9df;
      --orange:#ffb45c;
      --danger:#ff8e9d;
      --radius-lg:28px;
      --radius-md:18px;
      --shadow:0 24px 70px rgba(0,0,0,.36);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%,rgba(143,124,255,.18),transparent 28%),
        radial-gradient(circle at 88% 18%,rgba(84,217,223,.1),transparent 24%),
        var(--deep);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.8;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);line-height:1.25}
    p{color:var(--muted)}
    a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease}
    button,a{-webkit-tap-highlight-color:transparent}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(84,217,223,.75);outline-offset:4px}
    .container{width:min(1160px,calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.16em}
    .eyebrow:before{content:"";width:24px;height:1px;background:var(--cyan)}
    .site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(9,13,29,.78);backdrop-filter:blur(18px)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-size:18px;font-weight:800;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#fff;background:linear-gradient(135deg,var(--violet),var(--cyan));box-shadow:0 8px 22px rgba(143,124,255,.3);font-size:15px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 14px;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.06)}
    .nav-links .nav-cta{padding:10px 18px;color:#11152a;background:var(--cyan);font-weight:800}
    .nav-links .nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(84,217,223,.22)}
    .page-top{padding:34px 0 20px;border-bottom:1px solid var(--line)}
    .breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;color:var(--soft);font-size:13px}
    .breadcrumbs a:hover{color:var(--cyan)}
    .breadcrumbs .current{color:var(--muted)}
    .crumb-separator{color:var(--violet)}
    .hero{padding:48px 0 58px}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
    .hero h1{max-width:760px;margin:16px 0 20px;font-size:clamp(38px,5.4vw,68px);letter-spacing:-.035em}
    .hero h1 span{color:var(--cyan)}
    .hero-copy{max-width:700px;font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:13px;font-weight:800;cursor:pointer}
    .button-primary{color:#11152a;background:var(--cyan)}
    .button-primary:hover{transform:translateY(-2px);background:#79e7e9;box-shadow:0 12px 28px rgba(84,217,223,.2)}
    .button-secondary{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.05)}
    .button-secondary:hover{border-color:rgba(84,217,223,.5);background:rgba(84,217,223,.08)}
    .hero-note{margin-top:18px;color:var(--soft);font-size:13px}
    .notice-panel{padding:28px;border:1px solid rgba(84,217,223,.28);border-radius:var(--radius-lg);background:linear-gradient(145deg,rgba(84,217,223,.11),rgba(143,124,255,.14) 65%,rgba(255,255,255,.035));box-shadow:var(--shadow)}
    .notice-panel .panel-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:22px;border:1px solid rgba(84,217,223,.35);border-radius:15px;color:var(--cyan);font-size:22px}
    .notice-panel h2{margin-bottom:12px;font-size:25px}
    .notice-panel p{font-size:14px}
    .signal-list{margin:22px 0 0;padding:0;list-style:none}
    .signal-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
    .signal-list li:before{content:"✓";color:var(--cyan);font-weight:900}
    section{padding:70px 0}
    .section-head{max-width:720px;margin-bottom:30px}
    .section-head h2{margin:13px 0 12px;font-size:clamp(28px,4vw,44px)}
    .section-head p{margin-bottom:0}
    .metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.025)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:30px 0}
    .metric{padding-left:18px;border-left:2px solid var(--violet)}
    .metric strong{display:block;margin-bottom:4px;font-size:25px;color:var(--ink)}
    .metric span{color:var(--soft);font-size:13px}
    .matrix{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .matrix-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
    .matrix-card:hover{transform:translateY(-5px);border-color:rgba(84,217,223,.45);box-shadow:0 18px 38px rgba(0,0,0,.2)}
    .matrix-card h3{margin:17px 0 9px;font-size:22px}
    .matrix-card p{font-size:14px;margin-bottom:0}
    .tag{display:inline-block;padding:4px 10px;border-radius:999px;color:#17152d;background:var(--orange);font-size:11px;font-weight:900}
    .tag.violet{color:var(--ink);background:rgba(143,124,255,.3)}
    .split-section{background:rgba(255,255,255,.025);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .split-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
    .split-grid h2{margin:14px 0;font-size:36px}
    .check-list{margin:0;padding:0;list-style:none}
    .check-list li{display:flex;gap:15px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--muted)}
    .check-list li:last-child{border-bottom:0}
    .check-list b{color:var(--cyan);font-size:18px}
    .process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .process-card{position:relative;padding:25px;border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(19,25,46,.62)}
    .process-no{color:var(--violet);font-size:13px;font-weight:900;letter-spacing:.12em}
    .process-card h3{margin:15px 0 8px;font-size:20px}
    .process-card p{font-size:14px;margin-bottom:0}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .faq-item{padding:22px;border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(255,255,255,.035)}
    .faq-item h3{margin:0 0 9px;font-size:18px}
    .faq-item p{margin:0;font-size:14px}
    .cta{padding:58px 0}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px 38px;border:1px solid rgba(143,124,255,.48);border-radius:var(--radius-lg);background:linear-gradient(110deg,rgba(53,45,110,.8),rgba(24,35,65,.75))}
    .cta-box h2{margin:10px 0 8px;font-size:30px}
    .cta-box p{margin:0;max-width:650px;font-size:14px}
    .site-footer{padding:42px 0 24px;border-top:1px solid var(--line);background:rgba(4,7,17,.55)}
    .footer-top{display:flex;justify-content:space-between;gap:40px}
    .footer-brand{max-width:570px}
    .footer-brand p{margin:17px 0 0;font-size:13px}
    .footer-links{display:flex;flex-wrap:wrap;align-content:flex-start;gap:10px 20px;padding-top:7px}
    .footer-links a{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{margin-top:32px;padding-top:19px;border-top:1px solid var(--line);color:var(--soft);font-size:12px}
    @media(max-width:1024px){
      .hero-grid{gap:30px}
      .container{width:min(100% - 32px,960px)}
    }
    @media(max-width:768px){
      .nav-wrap{align-items:flex-start;padding:15px 0;flex-direction:column;gap:14px}
      .nav-links{width:100%;overflow-x:auto;padding-bottom:2px}
      .nav-links a{white-space:nowrap}
      .hero{padding-top:38px}
      .hero-grid,.split-grid{grid-template-columns:1fr}
      .hero h1{font-size:clamp(38px,10vw,58px)}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .process-grid{grid-template-columns:1fr}
      .cta-box{align-items:flex-start;flex-direction:column;padding:28px}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 28px)}
      .brand{font-size:16px}
      .brand-mark{width:31px;height:31px;font-size:13px}
      .nav-links{gap:3px}
      .nav-links a{padding:8px 10px;font-size:13px}
      .hero{padding-bottom:40px}
      .hero-copy{font-size:16px}
      section{padding:52px 0}
      .metric-grid,.matrix,.faq-grid{grid-template-columns:1fr}
      .metric-grid{gap:18px}
      .notice-panel,.matrix-card{padding:22px}
      .split-grid h2{font-size:30px}
      .hero-actions .button{width:100%}
      .footer-top{flex-direction:column;gap:20px}
    }

/* roulang page: category1 */
:root {
      --ink:#f7f8fc;
      --muted:#a6aec4;
      --soft:#737d99;
      --line:rgba(255,255,255,.12);
      --panel:rgba(19,25,46,.82);
      --panel-strong:#171e39;
      --deep:#090d1d;
      --violet:#8f7cff;
      --violet-dark:#6c5be8;
      --cyan:#54d9df;
      --orange:#ffb45c;
      --red:#ff7c91;
      --radius-lg:28px;
      --radius-md:18px;
      --shadow:0 24px 70px rgba(0,0,0,.36);
    }
    html{scroll-behavior:smooth}
    *,*:before,*:after{box-sizing:border-box}
    body{
      margin:0;color:var(--ink);background:
      radial-gradient(circle at 7% 5%,rgba(143,124,255,.18),transparent 28%),
      radial-gradient(circle at 90% 18%,rgba(84,217,223,.1),transparent 25%),var(--deep);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.8;
    }
    a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease}
    img{max-width:100%;height:auto}
    button,a{-webkit-tap-highlight-color:transparent}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(84,217,223,.75);outline-offset:4px}
    .container{width:min(1160px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(9,13,29,.8);backdrop-filter:blur(18px)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:12px;font-size:18px;font-weight:800;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;color:#fff;background:linear-gradient(135deg,var(--violet),var(--cyan));box-shadow:0 8px 22px rgba(143,124,255,.3);font-size:15px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{padding:9px 14px;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.06)}
    .nav-links .nav-cta{padding:10px 18px!important;color:#11152a!important;background:var(--cyan)!important;font-weight:800}
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(84,217,223,.22)}
    .hero{padding:76px 0 58px}
    .hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:60px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:1px;background:var(--cyan)}
    .hero h1{max-width:720px;margin:17px 0 20px;font-size:clamp(38px,5.5vw,68px);line-height:1.16;letter-spacing:-.035em}
    .hero h1 span{color:var(--cyan)}
    .hero-copy{max-width:650px;color:var(--muted);font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:13px;font-weight:800;cursor:pointer}
    .button-primary{color:#11152a;background:var(--cyan)}
    .button-primary:hover{transform:translateY(-2px);background:#79e7e9;box-shadow:0 12px 28px rgba(84,217,223,.2)}
    .button-secondary{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.05)}
    .button-secondary:hover{border-color:rgba(84,217,223,.5);background:rgba(84,217,223,.08)}
    .hero-note{margin-top:18px;color:var(--soft);font-size:13px}
    .safety-panel{position:relative;padding:28px;border:1px solid rgba(84,217,223,.3);border-radius:var(--radius-lg);background:linear-gradient(145deg,rgba(30,55,76,.75),rgba(19,25,46,.86));box-shadow:var(--shadow);overflow:hidden}
    .safety-panel:after{content:"";position:absolute;width:190px;height:190px;right:-65px;top:-60px;border-radius:50%;border:1px solid rgba(84,217,223,.24);box-shadow:0 0 0 22px rgba(84,217,223,.04),0 0 0 45px rgba(84,217,223,.025)}
    .panel-kicker{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.13em}
    .safety-panel h2{position:relative;z-index:1;margin:13px 0 24px;font-size:28px;line-height:1.3}
    .check-list{position:relative;z-index:1;margin:0;padding:0;list-style:none}
    .check-list li{display:flex;gap:13px;padding:14px 0;border-top:1px solid var(--line);color:var(--muted)}
    .check-list li:before{content:"✓";flex:0 0 25px;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;color:#11152a;background:var(--cyan);font-weight:900;line-height:1}
    .crumbs{padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--soft);font-size:13px}
    .crumbs a:hover{color:var(--cyan)}
    .crumbs strong{color:var(--muted);font-weight:600}
    section{padding:72px 0}
    .section-head{max-width:720px;margin-bottom:30px}
    .section-head h2{margin:13px 0 12px;font-size:clamp(28px,4vw,44px);line-height:1.25}
    .section-head p{margin:0;color:var(--muted)}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:6px 18px;border-left:2px solid var(--violet)}
    .metric strong{display:block;color:var(--ink);font-size:22px}
    .metric span{color:var(--soft);font-size:13px}
    .safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .safety-card{display:flex;gap:18px;padding:25px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel);transition:transform .25s,border-color .25s,box-shadow .25s}
    .safety-card:hover{transform:translateY(-5px);border-color:rgba(143,124,255,.55);box-shadow:0 18px 38px rgba(0,0,0,.22)}
    .safety-icon{flex:0 0 42px;width:42px;height:42px;display:grid;place-items:center;border-radius:14px;color:#15172b;background:var(--orange);font-weight:900}
    .safety-card h3{margin:0 0 7px;font-size:20px}
    .safety-card p{margin:0;color:var(--muted);font-size:14px}
    .dark-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.025)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .step{position:relative;padding:26px;border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(19,25,46,.65)}
    .step-number{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#11152a;background:var(--cyan);font-weight:900}
    .step h3{margin:18px 0 8px;font-size:21px}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .notice-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .notice-box{padding:30px;border-radius:var(--radius-md);border:1px solid rgba(255,124,145,.3);background:rgba(74,29,48,.25)}
    .notice-box h3{margin:0 0 10px;color:var(--red);font-size:24px}
    .notice-box p{margin:0;color:var(--muted)}
    .quick-links{display:flex;flex-direction:column;gap:10px}
    .quick-links a{display:flex;justify-content:space-between;gap:15px;padding:15px 18px;border:1px solid var(--line);border-radius:13px;color:var(--muted);background:var(--panel)}
    .quick-links a:hover{color:var(--ink);border-color:rgba(84,217,223,.45);transform:translateX(4px)}
    .quick-links span{color:var(--cyan)}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .faq-item{padding:22px;border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(255,255,255,.035)}
    .faq-item h3{margin:0 0 8px;font-size:18px}
    .faq-item p{margin:0;color:var(--muted);font-size:14px}
    .cta{padding:42px;border:1px solid rgba(143,124,255,.45);border-radius:var(--radius-lg);background:linear-gradient(120deg,rgba(74,61,151,.52),rgba(19,25,46,.85));display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta h2{margin:0 0 8px;font-size:30px}
    .cta p{margin:0;color:var(--muted)}
    .site-footer{padding:54px 0 25px;border-top:1px solid var(--line);background:rgba(3,6,16,.45)}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:30px}
    .footer-brand{max-width:540px}
    .footer-brand p{margin:16px 0 0;color:var(--soft);font-size:13px}
    .footer-links{display:flex;align-items:flex-start;gap:22px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{padding-top:20px;border-top:1px solid var(--line);color:var(--soft);font-size:12px}
    @media(max-width:1024px){.hero-grid{gap:35px}.container{width:min(100% - 32px,960px)}}
    @media(max-width:768px){
      .nav-wrap{min-height:68px;align-items:flex-start;padding:14px 0;flex-direction:column;gap:10px}
      .nav-links{width:100%;overflow-x:auto;white-space:nowrap;padding-bottom:2px}
      .nav-links a{font-size:13px;padding:7px 11px}
      .hero{padding:55px 0 42px}.hero-grid,.notice-grid{grid-template-columns:1fr}
      .hero h1{font-size:clamp(36px,9vw,55px)}
      .metric-strip{grid-template-columns:repeat(2,1fr);gap:18px}
      section{padding:55px 0}.steps{grid-template-columns:1fr}
      .cta{align-items:flex-start;flex-direction:column;padding:28px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.brand{font-size:16px}.brand-mark{width:31px;height:31px}
      .hero-copy{font-size:16px}.safety-panel{padding:22px}
      .safety-grid,.faq-grid{grid-template-columns:1fr}.safety-card{padding:20px}
      .metric{padding-left:12px}.metric strong{font-size:19px}
      .footer-top{flex-direction:column;gap:22px}.footer-links{flex-wrap:wrap;gap:14px}
      .cta h2{font-size:25px}.hero-actions .button{width:100%}
    }