/* roulang page: index */
:root{
      --bg:#07111F;
      --bg-2:#0B1730;
      --bg-3:#10182C;
      --primary:#4F8CFF;
      --primary-2:#5B7CFA;
      --violet:#8B5CF6;
      --cyan:#22D3EE;
      --rose:#B67AA4;
      --cream:#F5F7FB;
      --muted:#A8B3C7;
      --weak:#6F7C93;
      --line:rgba(255,255,255,.13);
      --card:rgba(255,255,255,.07);
      --card-strong:rgba(255,255,255,.105);
      --shadow:0 24px 80px rgba(49,95,255,.22);
      --shadow-soft:0 18px 60px rgba(0,0,0,.25);
      --radius-xl:28px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-pill:999px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--cream);
      background:
        radial-gradient(circle at 18% 8%, rgba(79,140,255,.28), transparent 34%),
        radial-gradient(circle at 82% 18%, rgba(139,92,246,.22), transparent 32%),
        radial-gradient(circle at 50% 95%, rgba(34,211,238,.12), transparent 36%),
        linear-gradient(135deg,var(--bg),var(--bg-2) 48%,#08101E);
      line-height:1.75;
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.38;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom, #000 0%, transparent 78%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px);
      background-size:4px 4px;
      opacity:.12;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(79,140,255,.38);color:#fff}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .glass{
      background:linear-gradient(145deg,rgba(255,255,255,.105),rgba(255,255,255,.045));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
    }
    .soft-line{height:1px;background:linear-gradient(90deg,transparent,rgba(79,140,255,.55),rgba(139,92,246,.45),transparent)}
    .badge{
      display:inline-flex;align-items:center;gap:.45rem;
      min-height:32px;padding:6px 12px;border-radius:var(--radius-pill);
      border:1px solid rgba(255,255,255,.15);
      background:rgba(255,255,255,.065);
      color:#DDE8FF;font-size:13px;font-weight:650;letter-spacing:.01em;
      white-space:nowrap;
    }
    .badge.cyan{border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.08)}
    .badge.violet{border-color:rgba(139,92,246,.38);background:rgba(139,92,246,.10)}
    .badge.rose{border-color:rgba(182,122,164,.38);background:rgba(182,122,164,.10)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
      min-height:48px;padding:12px 20px;border-radius:var(--radius-pill);
      font-weight:760;letter-spacing:.01em;transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
      user-select:none;
    }
    .btn-primary{
      color:white;background:linear-gradient(135deg,var(--primary),var(--violet));
      box-shadow:0 12px 34px rgba(79,140,255,.34), inset 0 1px 0 rgba(255,255,255,.24);
    }
    .btn-secondary{
      color:#E8EEFF;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(12px);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{box-shadow:0 18px 46px rgba(79,140,255,.46),0 0 0 1px rgba(255,255,255,.12) inset}
    .btn-secondary:hover{border-color:rgba(79,140,255,.58);background:rgba(79,140,255,.11);color:white}
    .btn:active{transform:translateY(0) scale(.985)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
      outline:3px solid rgba(34,211,238,.45);outline-offset:3px;border-radius:18px;
    }
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-kicker{color:#AFC8FF;font-weight:800;font-size:14px;letter-spacing:.12em}
    .section-title{font-size:clamp(28px,4vw,44px);line-height:1.16;font-weight:850;letter-spacing:-.04em}
    .section-desc{color:var(--muted);max-width:650px;font-size:16px}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(7,17,31,.74);
      border-bottom:1px solid rgba(255,255,255,.10);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      box-shadow:0 12px 40px rgba(0,0,0,.18);
    }
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.03em;font-size:20px;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        linear-gradient(135deg,rgba(79,140,255,.95),rgba(139,92,246,.82)),
        radial-gradient(circle at 70% 20%,rgba(34,211,238,.9),transparent 34%);
      box-shadow:0 12px 30px rgba(79,140,255,.38);
      position:relative;
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:rgba(255,255,255,.72);border-radius:999px}
    .brand-mark:before{width:20px;height:2px;left:11px;top:15px;transform:rotate(-8deg)}
    .brand-mark:after{width:16px;height:2px;left:13px;top:24px;transform:rotate(8deg)}
    .brand-note{
      color:var(--muted);font-size:14px;border-left:1px solid rgba(255,255,255,.13);padding-left:16px;display:none;
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .search-pill{
      height:42px;width:220px;display:flex;align-items:center;gap:8px;
      padding:0 14px;border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);color:var(--weak);
      transition:.2s ease;
    }
    .search-pill:hover{border-color:rgba(79,140,255,.45);color:#DCE7FF;background:rgba(255,255,255,.075)}
    .age-note{
      height:42px;display:inline-flex;align-items:center;padding:0 13px;border-radius:var(--radius-pill);
      color:#E9DCF0;font-size:13px;background:rgba(182,122,164,.10);border:1px solid rgba(182,122,164,.28);
    }
    .channel-row{border-top:1px solid rgba(255,255,255,.08)}
    .channel-scroll{
      display:flex;gap:10px;align-items:center;overflow-x:auto;padding:12px 0;
      scrollbar-width:none;
    }
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel-link{
      position:relative;display:inline-flex;align-items:center;justify-content:center;
      padding:9px 15px;border-radius:var(--radius-pill);
      color:#B9C4D8;font-weight:720;font-size:14px;white-space:nowrap;
      transition:transform .2s ease,color .2s ease,background .2s ease,border-color .2s ease;
      border:1px solid transparent;
    }
    .channel-link:hover{color:white;background:rgba(255,255,255,.065);transform:translateY(-1px);border-color:rgba(255,255,255,.10)}
    .channel-link.active{
      color:white;background:linear-gradient(135deg,rgba(79,140,255,.18),rgba(139,92,246,.18));
      border-color:rgba(79,140,255,.38);box-shadow:0 0 26px rgba(79,140,255,.18);
    }
    .channel-link.active:after{
      content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;border-radius:99px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
    }
    .mobile-menu{display:none;width:44px;height:44px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);color:white}
    .hero{position:relative;padding:76px 0 52px;overflow:hidden}
    .hero:before{
      content:"";position:absolute;inset:10% -10% auto auto;width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle,rgba(79,140,255,.24),rgba(139,92,246,.12) 42%,transparent 70%);
      filter:blur(8px);pointer-events:none;
    }
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
    .hero h1{font-size:clamp(36px,6vw,70px);line-height:1.06;font-weight:900;letter-spacing:-.065em;margin:18px 0 20px;max-width:760px}
    .hero p{color:#C2CCDD;font-size:clamp(16px,2vw,19px);line-height:1.85;max-width:680px}
    .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
    .hero-panel{
      position:relative;border-radius:32px;padding:22px;min-height:520px;overflow:hidden;
    }
    .hero-panel:before{
      content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
      background:linear-gradient(145deg,rgba(34,211,238,.45),rgba(139,92,246,.25),rgba(255,255,255,.08));
      -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
      -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
    }
    .reading-card{
      position:relative;padding:22px;border-radius:24px;background:rgba(5,13,28,.42);border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
    }
    .reading-card + .reading-card{margin-top:16px}
    .reading-card:after{
      content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-34px;top:-34px;
      background:rgba(34,211,238,.16);filter:blur(2px);
    }
    .progress-ring{
      width:138px;height:138px;border-radius:50%;display:grid;place-items:center;margin:auto;
      background:conic-gradient(var(--primary) 0 68%,rgba(255,255,255,.11) 68% 100%);
      box-shadow:0 0 38px rgba(79,140,255,.25);
      position:relative;
    }
    .progress-ring:before{content:"";position:absolute;inset:12px;border-radius:50%;background:#0B1730;border:1px solid rgba(255,255,255,.09)}
    .progress-ring span{position:relative;font-size:30px;font-weight:900}
    .mini-list{display:grid;gap:10px;margin-top:18px}
    .mini-list li{list-style:none;display:flex;align-items:center;gap:10px;color:#C9D3E6}
    .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 18px rgba(34,211,238,.42);flex:0 0 auto}
    .step-track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px}
    .step-track:before{content:"";position:absolute;left:8%;right:8%;top:44px;height:1px;background:linear-gradient(90deg,transparent,rgba(79,140,255,.38),rgba(139,92,246,.38),transparent)}
    .step-card{
      position:relative;border-radius:24px;padding:22px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.12);
      transition:.25s ease;min-height:220px;
    }
    .step-card:nth-child(even){margin-top:38px}
    .step-card:hover{transform:translateY(-6px);border-color:rgba(79,140,255,.45);box-shadow:0 20px 60px rgba(79,140,255,.17)}
    .step-icon{width:46px;height:46px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(79,140,255,.22),rgba(139,92,246,.18));border:1px solid rgba(255,255,255,.13);font-size:22px;margin-bottom:16px}
    .step-card h3,.compare-card h3,.feature-card h3{font-size:21px;font-weight:820;line-height:1.25;margin-bottom:10px}
    .check-list{display:grid;gap:8px;color:#B8C3D7;font-size:14px}
    .check-list li{list-style:none;display:flex;gap:9px}
    .check-list li:before{content:"";width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px rgba(34,211,238,.55);flex:0 0 auto}
    .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .compare-card{
      border-radius:28px;padding:26px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.12);
      transition:.25s ease;position:relative;overflow:hidden;
    }
    .compare-card.featured{background:linear-gradient(145deg,rgba(79,140,255,.15),rgba(139,92,246,.10),rgba(255,255,255,.06));border-color:rgba(79,140,255,.38);box-shadow:var(--shadow)}
    .compare-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.35)}
    .meta-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
    .banner{
      border-radius:34px;padding:34px;display:grid;grid-template-columns:1fr 310px;gap:28px;align-items:center;
      position:relative;overflow:hidden;background:
        radial-gradient(circle at 85% 20%,rgba(34,211,238,.16),transparent 32%),
        linear-gradient(135deg,rgba(79,140,255,.16),rgba(139,92,246,.11),rgba(255,255,255,.055));
      border:1px solid rgba(255,255,255,.14);
    }
    .count-box{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .count-cell{border-radius:20px;padding:16px;text-align:center;background:rgba(5,13,28,.38);border:1px solid rgba(255,255,255,.12)}
    .count-cell strong{display:block;font-size:28px;line-height:1;font-weight:900}
    .count-cell span{font-size:12px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .feature-card{
      padding:24px;border-radius:26px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:.25s ease;
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.38)}
    .feature-card.large{grid-row:span 2;background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(79,140,255,.10))}
    .quote-card{border-radius:28px;padding:26px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card p{color:#C4CDDF}
    .quote-card strong{display:block;margin-top:16px;color:#fff}
    .form-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
    .pref-form{border-radius:30px;padding:24px}
    .field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px;margin-bottom:14px}
    .field label{font-size:14px;color:#DDE6F8;font-weight:720}
    .field input,.field select,.field textarea{
      width:100%;min-height:52px;border-radius:16px;border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.06);color:#F5F7FB;padding:12px 14px;outline:none;transition:.2s ease;
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#748199}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(79,140,255,.68);box-shadow:0 0 0 4px rgba(79,140,255,.14);background:rgba(255,255,255,.08)
    }
    .hint{font-size:13px;color:#9BA8BF}
    .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
    .faq-item{border-radius:22px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);overflow:hidden}
    .faq-question{
      width:100%;min-height:58px;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:#fff;font-weight:780;text-align:left;background:transparent;
    }
    .faq-question .plus{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(79,140,255,.14);border:1px solid rgba(79,140,255,.24);transition:.2s ease}
    .faq-answer{display:none;padding:0 20px 20px;color:#B8C3D7}
    .faq-item.open{background:rgba(255,255,255,.085);border-color:rgba(79,140,255,.28)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .plus{transform:rotate(45deg);background:rgba(139,92,246,.18)}
    .final-cta{
      text-align:center;border-radius:36px;padding:48px 24px;background:
        radial-gradient(circle at 50% 0%,rgba(79,140,255,.24),transparent 40%),
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.14);
    }
    .site-footer{padding:58px 0 28px;border-top:1px solid rgba(255,255,255,.10);background:rgba(5,12,23,.46)}
    .footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:28px}
    .footer-title{font-weight:850;margin-bottom:12px;color:#fff}
    .footer-links{display:grid;gap:9px;color:#AAB5C9;font-size:14px}
    .footer-links a{transition:.2s ease}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7F8BA2;font-size:13px}
    @media (max-width:1024px){
      .hero-grid,.form-grid,.banner{grid-template-columns:1fr}
      .hero-panel{min-height:auto}
      .step-track,.compare-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
      .step-track:before{display:none}
      .step-card:nth-child(even){margin-top:0}
      .feature-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-row:auto;grid-column:span 2}
      .search-pill,.age-note{display:none}
      .brand-note{display:none}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .brand-row{min-height:68px}
      .header-actions .btn{display:none}
      .mobile-menu{display:grid;place-items:center}
      .hero{padding:48px 0 34px}
      .hero h1{font-size:clamp(34px,10vw,42px)}
      .hero-cta{flex-direction:column}
      .hero-cta .btn{width:100%}
      .step-track,.compare-grid,.feature-grid,.quote-grid,.footer-grid,.field-grid{grid-template-columns:1fr}
      .feature-card.large{grid-column:auto}
      .banner{padding:24px;border-radius:28px}
      .count-box{grid-template-columns:repeat(3,minmax(0,1fr))}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .footer-grid{gap:22px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .brand{font-size:17px}
      .brand-mark{width:38px;height:38px}
      .channel-link{padding:8px 12px;font-size:13px}
      .hero-panel,.pref-form{padding:16px;border-radius:24px}
      .reading-card{padding:18px}
      .count-cell{padding:12px 8px}
      .count-cell strong{font-size:23px}
      .section-title{font-size:29px}
    }

/* roulang page: category2 */
:root{
      --bg:#07111F;
      --bg-2:#0B1730;
      --bg-3:#10182C;
      --primary:#4F8CFF;
      --primary-2:#5B7CFA;
      --violet:#8B5CF6;
      --cyan:#22D3EE;
      --rose:#B77A9B;
      --text:#F5F7FB;
      --muted:#A8B3C7;
      --weak:#6F7C93;
      --glass:rgba(255,255,255,.07);
      --glass-strong:rgba(255,255,255,.105);
      --border:rgba(255,255,255,.13);
      --border-strong:rgba(127,172,255,.34);
      --shadow:0 24px 80px rgba(24,70,160,.28);
      --shadow-soft:0 14px 45px rgba(79,140,255,.16);
      --radius-xl:24px;
      --radius-lg:20px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(79,140,255,.22), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(139,92,246,.2), transparent 30%),
        radial-gradient(circle at 50% 72%, rgba(34,211,238,.1), transparent 34%),
        linear-gradient(180deg,var(--bg),var(--bg-2) 48%,#060C18);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.18));
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.24;
      background:
        repeating-linear-gradient(105deg, rgba(255,255,255,.026) 0 1px, transparent 1px 14px);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(79,140,255,.35);color:#fff}
    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(7,17,31,.78);
      border-bottom:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(18px);
      box-shadow:0 10px 40px rgba(0,0,0,.18);
    }
    .brand-row{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:800;
      letter-spacing:.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      position:relative;
      background:
        radial-gradient(circle at 30% 25%,rgba(255,255,255,.95),transparent 12%),
        linear-gradient(135deg,var(--primary),var(--violet) 58%,var(--cyan));
      box-shadow:0 0 32px rgba(79,140,255,.45);
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      left:10px;
      right:10px;
      top:12px;
      height:14px;
      border:1px solid rgba(255,255,255,.72);
      border-radius:2px 8px 8px 2px;
      transform:skewY(-8deg);
      opacity:.9;
    }
    .top-note{
      color:var(--muted);
      font-size:14px;
      display:flex;
      gap:10px;
      align-items:center;
    }
    .top-note:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(34,211,238,.9);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-pill{
      height:42px;
      min-width:210px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 15px;
      color:var(--muted);
      border:1px solid var(--border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);
      transition:.25s ease;
    }
    .search-pill:hover{
      color:#fff;
      border-color:var(--border-strong);
      transform:translateY(-1px);
      box-shadow:var(--shadow-soft);
    }
    .level-pill{
      height:42px;
      display:inline-flex;
      align-items:center;
      padding:0 15px;
      border-radius:var(--radius-pill);
      color:#E8DDF7;
      background:rgba(139,92,246,.13);
      border:1px solid rgba(183,122,155,.3);
      font-size:14px;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:0 20px;
      border-radius:var(--radius-pill);
      font-weight:750;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, filter .22s ease, background .22s ease;
      outline:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:white;
      background:linear-gradient(135deg,var(--primary),var(--violet));
      box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 14px 38px rgba(79,140,255,.34);
    }
    .btn-secondary{
      color:#EAF1FF;
      background:rgba(255,255,255,.065);
      border:1px solid var(--border);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(255,255,255,.2) inset,0 20px 54px rgba(91,124,250,.45)}
    .btn-secondary:hover{border-color:var(--border-strong);background:rgba(255,255,255,.095);box-shadow:var(--shadow-soft)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn:focus-visible,.channel-link:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(34,211,238,.42);
      outline-offset:3px;
    }
    .channel-row{
      border-top:1px solid rgba(255,255,255,.06);
    }
    .channel-scroll{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      padding:11px 0 13px;
      scrollbar-width:none;
    }
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel-link{
      position:relative;
      flex:0 0 auto;
      padding:9px 15px;
      color:var(--muted);
      font-weight:700;
      border-radius:var(--radius-pill);
      transition:.22s ease;
    }
    .channel-link:hover{
      color:#fff;
      transform:translateY(-1px);
      background:rgba(255,255,255,.06);
    }
    .channel-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(79,140,255,.28),rgba(139,92,246,.22));
      box-shadow:0 0 26px rgba(79,140,255,.2);
    }
    .channel-link.active:after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:3px;height:2px;
      border-radius:4px;
      background:linear-gradient(90deg,var(--primary),var(--cyan));
      box-shadow:0 0 12px rgba(34,211,238,.7);
    }
    .menu-button{display:none}
    .section{
      padding:78px 0;
      position:relative;
    }
    .section-tight{padding:54px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      color:#D9E8FF;
      background:rgba(79,140,255,.12);
      border:1px solid rgba(79,140,255,.24);
      font-size:14px;
      font-weight:750;
    }
    .eyebrow:before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 16px rgba(34,211,238,.85);
    }
    .hero-guide{
      padding:82px 0 64px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:46px;
      align-items:center;
    }
    .hero-title{
      margin:20px 0 18px;
      max-width:760px;
      font-size:clamp(36px,5.4vw,68px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:850;
    }
    .gradient-text{
      background:linear-gradient(115deg,#fff 0%,#DDEBFF 28%,#93B9FF 52%,#D9C4FF 78%,#BFF7FF 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-desc{
      max-width:680px;
      color:var(--muted);
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:34px;
      max-width:650px;
    }
    .metric{
      padding:16px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      border-radius:18px;
      backdrop-filter:blur(14px);
    }
    .metric strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:#fff;
    }
    .metric span{
      color:var(--weak);
      font-size:13px;
    }
    .cover-stack{
      min-height:440px;
      position:relative;
      perspective:1200px;
    }
    .cover-card{
      position:absolute;
      border:1px solid var(--border);
      border-radius:28px;
      background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.045));
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:.28s ease;
    }
    .cover-card:hover{transform:translateY(-8px) rotate(0deg) scale(1.015);border-color:var(--border-strong)}
    .cover-main{
      width:72%;
      min-height:330px;
      right:36px;
      top:40px;
      z-index:3;
      padding:24px;
    }
    .cover-side-a{
      width:58%;
      min-height:265px;
      left:10px;
      top:8px;
      z-index:2;
      transform:rotate(-8deg);
      padding:20px;
      opacity:.88;
    }
    .cover-side-b{
      width:55%;
      min-height:246px;
      right:0;
      bottom:0;
      z-index:1;
      transform:rotate(7deg);
      padding:20px;
      opacity:.72;
    }
    .cover-card:before{
      content:"";
      position:absolute;
      inset:-40% -30% auto auto;
      width:230px;height:230px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(34,211,238,.26),transparent 65%);
      pointer-events:none;
    }
    .cover-lines{
      margin-top:28px;
      display:grid;
      gap:12px;
    }
    .cover-line{
      height:10px;
      border-radius:20px;
      background:rgba(255,255,255,.12);
    }
    .cover-line:nth-child(2){width:72%}
    .cover-line:nth-child(3){width:86%;background:rgba(79,140,255,.22)}
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 11px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.055);
      color:#DCE7FA;
      font-size:13px;
      font-weight:650;
    }
    .badge.cyan{border-color:rgba(34,211,238,.28);color:#BDF5FF;background:rgba(34,211,238,.08)}
    .badge.violet{border-color:rgba(139,92,246,.34);color:#E3D7FF;background:rgba(139,92,246,.1)}
    .badge.rose{border-color:rgba(183,122,155,.32);color:#F0D5E4;background:rgba(183,122,155,.1)}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-title{
      margin:14px 0 0;
      font-size:clamp(28px,3.8vw,44px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:820;
      max-width:760px;
    }
    .section-desc{
      max-width:520px;
      color:var(--muted);
      line-height:1.85;
    }
    .glass-card{
      position:relative;
      border:1px solid var(--border);
      background:var(--glass);
      border-radius:var(--radius-xl);
      backdrop-filter:blur(16px);
      box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
      overflow:hidden;
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
    }
    .glass-card:after{
      content:"";
      position:absolute;
      width:120px;height:120px;
      right:-60px;top:-60px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(79,140,255,.2),transparent 68%);
      opacity:.8;
      transition:.24s ease;
      pointer-events:none;
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:var(--border-strong);
      background:rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
    }
    .glass-card:hover:after{right:-35px;top:-35px}
    .featured-grid{
      display:grid;
      grid-template-columns:1.25fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-large{
      min-height:420px;
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(135deg,rgba(79,140,255,.14),rgba(139,92,246,.08)),
        var(--glass);
    }
    .feature-large h2{
      font-size:clamp(26px,3vw,38px);
      line-height:1.22;
      letter-spacing:-.03em;
      font-weight:820;
      margin:18px 0 14px;
    }
    .feature-text{
      color:var(--muted);
      max-width:620px;
      line-height:1.85;
    }
    .mini-feature-list{
      display:grid;
      gap:18px;
    }
    .mini-feature{
      padding:24px;
      min-height:201px;
    }
    .mini-feature h3,.index-card h3,.timeline-card h3,.cta-panel h2{
      font-size:22px;
      line-height:1.35;
      font-weight:780;
      margin:12px 0 10px;
    }
    .mini-feature p,.index-card p,.timeline-card p{
      color:var(--muted);
      line-height:1.8;
    }
    .book-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .theme-wall{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .theme-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:44px;
      padding:0 16px;
      color:#D8E5FA;
      border:1px solid var(--border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.045);
      transition:.22s ease;
    }
    .theme-tag:hover{
      transform:translateY(-2px);
      color:#fff;
      border-color:rgba(34,211,238,.36);
      box-shadow:0 12px 34px rgba(34,211,238,.12);
      background:rgba(34,211,238,.07);
    }
    .index-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:26px;
    }
    .index-card{
      padding:22px;
    }
    .index-icon{
      width:46px;height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:linear-gradient(135deg,rgba(79,140,255,.22),rgba(139,92,246,.18));
      border:1px solid rgba(255,255,255,.13);
      font-size:21px;
    }
    .timeline{
      display:grid;
      gap:18px;
      position:relative;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:137px;
      top:8px;
      bottom:8px;
      width:1px;
      background:linear-gradient(to bottom,transparent,rgba(79,140,255,.46),rgba(34,211,238,.25),transparent);
    }
    .timeline-item{
      display:grid;
      grid-template-columns:112px minmax(0,1fr);
      gap:52px;
      align-items:start;
    }
    .timeline-date{
      position:relative;
      color:#D8E5FF;
      font-weight:800;
      padding-top:18px;
      text-align:right;
    }
    .timeline-date:after{
      content:"";
      position:absolute;
      right:-33px;
      top:27px;
      width:13px;height:13px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 7px rgba(34,211,238,.1),0 0 20px rgba(34,211,238,.8);
      z-index:2;
    }
    .timeline-card{
      padding:24px;
    }
    .timeline-meta{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .notice-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:18px;
      align-items:stretch;
    }
    .notice-panel,.feedback-panel{
      padding:28px;
    }
    .notice-list{
      margin:20px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .notice-list li{
      display:flex;
      gap:11px;
      color:var(--muted);
      line-height:1.75;
    }
    .notice-list li:before{
      content:"";
      width:8px;height:8px;
      margin-top:10px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 0 14px rgba(79,140,255,.5);
      flex:0 0 auto;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .form-field.full{grid-column:1/-1}
    .form-field label{
      display:block;
      margin-bottom:8px;
      color:#DDE7F7;
      font-size:14px;
      font-weight:700;
    }
    .form-field input,.form-field select,.form-field textarea{
      width:100%;
      min-height:52px;
      color:#fff;
      border:1px solid var(--border);
      border-radius:16px;
      background:rgba(255,255,255,.06);
      padding:12px 14px;
      outline:none;
      transition:.22s ease;
    }
    .form-field textarea{
      min-height:116px;
      resize:vertical;
    }
    .form-field input::placeholder,.form-field textarea::placeholder{color:var(--weak)}
    .form-field input:focus,.form-field select:focus,.form-field textarea:focus{
      border-color:rgba(34,211,238,.56);
      box-shadow:0 0 0 4px rgba(34,211,238,.1);
      background:rgba(255,255,255,.085);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:26px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      backdrop-filter:blur(14px);
      overflow:hidden;
      transition:.22s ease;
    }
    details.faq-item[open]{
      border-color:rgba(79,140,255,.32);
      background:rgba(255,255,255,.085);
      box-shadow:var(--shadow-soft);
    }
    .faq-item summary{
      min-height:58px;
      padding:18px 20px;
      cursor:pointer;
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      font-weight:780;
      color:#fff;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:28px;height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#CFE4FF;
      background:rgba(79,140,255,.13);
      transition:.2s ease;
      flex:0 0 auto;
    }
    .faq-item[open] summary:after{
      content:"–";
      background:rgba(34,211,238,.16);
      transform:rotate(180deg);
    }
    .faq-item p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      line-height:1.85;
    }
    .cta-panel{
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 85% 24%,rgba(34,211,238,.18),transparent 28%),
        linear-gradient(135deg,rgba(79,140,255,.14),rgba(139,92,246,.12)),
        rgba(255,255,255,.07);
    }
    .cta-panel p{
      color:var(--muted);
      max-width:720px;
      line-height:1.85;
      margin-top:10px;
    }
    .site-footer{
      padding:56px 0 28px;
      background:rgba(4,10,20,.72);
      border-top:1px solid rgba(255,255,255,.1);
      position:relative;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .9fr .8fr;
      gap:30px;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:var(--muted);
    }
    .footer-links a,.footer-links span{
      color:var(--muted);
      transition:.2s ease;
      line-height:1.65;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--weak);
      font-size:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .top-note,.search-pill{display:none}
      .hero-grid,.featured-grid,.notice-grid,.faq-grid{
        grid-template-columns:1fr;
      }
      .cover-stack{
        min-height:390px;
        max-width:640px;
        width:100%;
        margin-inline:auto;
      }
      .index-grid{grid-template-columns:repeat(2,1fr)}
      .section-head{align-items:start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-panel{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .site-container,.channel-scroll{width:min(calc(100% - 28px),var(--container))}
      .brand-row{min-height:66px}
      .header-actions .level-pill,.header-actions .btn{display:none}
      .menu-button{
        display:inline-flex;
        width:42px;height:42px;
        align-items:center;justify-content:center;
        border-radius:50%;
        color:#fff;
        background:rgba(255,255,255,.07);
        border:1px solid var(--border);
      }
      .hero-guide{padding:58px 0 42px}
      .hero-desc{font-size:16px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .hero-metrics{grid-template-columns:1fr}
      .cover-stack{min-height:330px}
      .cover-main{width:76%;right:14px;top:36px;min-height:260px}
      .cover-side-a{width:62%;left:0;min-height:218px}
      .cover-side-b{width:58%;min-height:205px}
      .section{padding:54px 0}
      .index-grid{grid-template-columns:1fr}
      .timeline:before{left:16px}
      .timeline-item{grid-template-columns:1fr;gap:10px;padding-left:42px;position:relative}
      .timeline-date{text-align:left;padding-top:0}
      .timeline-date:after{left:-32px;right:auto;top:8px}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .brand span:last-child{font-size:15px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .channel-link{padding:8px 12px;font-size:14px}
      .feature-large,.mini-feature,.notice-panel,.feedback-panel,.cta-panel{padding:22px}
      .cover-stack{min-height:300px}
      .cover-card{border-radius:22px}
      .cover-main{min-height:240px;padding:18px}
      .hero-title{letter-spacing:-.045em}
    }

/* roulang page: category1 */
:root{
      --bg-0:#07111F;
      --bg-1:#0B1730;
      --bg-2:#10182C;
      --primary:#4F8CFF;
      --primary-2:#5B7CFA;
      --violet:#8B5CF6;
      --cyan:#22D3EE;
      --rose:#B883B7;
      --text:#F5F7FB;
      --muted:#A8B3C7;
      --weak:#6F7C93;
      --card:rgba(255,255,255,.07);
      --card-strong:rgba(255,255,255,.105);
      --border:rgba(255,255,255,.13);
      --border-strong:rgba(125,162,255,.42);
      --radius-xl:24px;
      --radius-lg:20px;
      --radius-md:16px;
      --shadow-blue:0 22px 70px rgba(54,102,255,.22);
      --shadow-violet:0 18px 54px rgba(139,92,246,.20);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 10%, rgba(79,140,255,.25), transparent 30%),
        radial-gradient(circle at 86% 18%, rgba(139,92,246,.21), transparent 31%),
        radial-gradient(circle at 45% 72%, rgba(34,211,238,.10), transparent 28%),
        linear-gradient(135deg,var(--bg-0),var(--bg-1) 50%,#08101d);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-2;
      opacity:.45;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.18));
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      pointer-events:none;
      opacity:.18;
      background:
        repeating-linear-gradient(105deg, rgba(255,255,255,.05) 0 1px, transparent 1px 16px);
      mix-blend-mode:screen;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(79,140,255,.36);color:#fff}
    .site-container{
      width:min(calc(100% - 40px), var(--container));
      margin-inline:auto;
    }
    .skip-link{
      position:absolute;
      left:20px;
      top:-60px;
      z-index:100;
      padding:10px 16px;
      border-radius:999px;
      background:#fff;
      color:#07111F;
      transition:.2s ease;
    }
    .skip-link:focus{top:16px}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      border-bottom:1px solid rgba(255,255,255,.10);
      background:rgba(7,17,31,.76);
      backdrop-filter:blur(18px);
      box-shadow:0 14px 45px rgba(0,0,0,.18);
    }
    .brand-row{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:14px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:850;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      position:relative;
      flex:0 0 auto;
      background:
        radial-gradient(circle at 35% 28%, rgba(255,255,255,.95), transparent 0 3px, transparent 4px),
        linear-gradient(135deg,var(--primary),var(--violet) 58%,var(--cyan));
      box-shadow:0 0 30px rgba(79,140,255,.45);
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      left:10px;
      right:10px;
      top:12px;
      height:13px;
      border:1px solid rgba(255,255,255,.72);
      border-left:0;
      border-radius:0 8px 8px 0;
      transform:skewY(-8deg);
    }
    .brand span:last-child{font-size:19px}
    .brand-note{
      color:var(--muted);
      font-size:14px;
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }
    .brand-note i{
      width:8px;height:8px;border-radius:999px;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(34,211,238,.8);
      display:inline-block;
    }
    .header-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
    }
    .search-pill{
      width:210px;
      height:42px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 14px;
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      transition:.22s ease;
    }
    .search-pill:hover{
      color:#fff;
      border-color:rgba(79,140,255,.55);
      box-shadow:0 0 24px rgba(79,140,255,.16);
      transform:translateY(-1px);
    }
    .level-pill{
      height:42px;
      display:inline-flex;
      align-items:center;
      padding:0 14px;
      border-radius:999px;
      color:#E9D5FF;
      border:1px solid rgba(184,131,183,.38);
      background:rgba(184,131,183,.10);
      font-size:13px;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:760;
      letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--violet));
      box-shadow:0 0 30px rgba(79,140,255,.32), inset 0 1px 0 rgba(255,255,255,.28);
    }
    .btn-secondary{
      color:#EAF1FF;
      border:1px solid var(--border);
      background:rgba(255,255,255,.065);
      backdrop-filter:blur(12px);
    }
    .btn:hover{
      transform:translateY(-2px);
    }
    .btn-primary:hover{box-shadow:0 0 42px rgba(79,140,255,.48),0 18px 42px rgba(79,140,255,.18)}
    .btn-secondary:hover{border-color:rgba(34,211,238,.45);background:rgba(255,255,255,.09)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn:focus-visible,
    .channel-link:focus-visible,
    .footer-links a:focus-visible,
    .search-pill:focus-visible,
    .filter-chip:focus-visible,
    .page-dot:focus-visible,
    input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(34,211,238,.42);
      outline-offset:3px;
    }
    .channel-row{
      border-top:1px solid rgba(255,255,255,.07);
    }
    .channel-scroll{
      width:min(calc(100% - 40px), var(--container));
      margin-inline:auto;
      display:flex;
      align-items:center;
      gap:10px;
      overflow-x:auto;
      padding:11px 0 12px;
      scrollbar-width:none;
    }
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
      border:1px solid transparent;
      transition:.2s ease;
    }
    .channel-link:hover{
      color:#fff;
      transform:translateY(-1px);
      background:rgba(255,255,255,.055);
      border-color:rgba(255,255,255,.12);
    }
    .channel-link.active{
      color:#fff;
      border-color:rgba(91,124,250,.55);
      background:linear-gradient(135deg,rgba(79,140,255,.24),rgba(139,92,246,.20));
      box-shadow:0 0 28px rgba(79,140,255,.20);
    }
    .channel-link.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:3px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--violet));
    }
    .hero{
      padding:66px 0 42px;
      position:relative;
    }
    .hero:before{
      content:"";
      position:absolute;
      right:7%;
      top:28px;
      width:420px;
      height:260px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(139,92,246,.22), transparent 65%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);
      gap:28px;
      align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:8px 12px;
      border-radius:999px;
      color:#CFFAFE;
      border:1px solid rgba(34,211,238,.30);
      background:rgba(34,211,238,.075);
      font-size:13px;
      font-weight:760;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:99px;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(34,211,238,.9);
    }
    h1{
      margin:18px 0 18px;
      max-width:780px;
      font-size:clamp(36px,5.2vw,66px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:900;
    }
    .gradient-text{
      background:linear-gradient(90deg,#fff 8%,#D9E6FF 36%,#9CC2FF 66%,#D8B4FE);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-desc{
      max-width:690px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-panel{
      position:relative;
      border:1px solid var(--border);
      border-radius:28px;
      background:
        linear-gradient(145deg,rgba(255,255,255,.11),rgba(255,255,255,.045)),
        radial-gradient(circle at 18% 12%,rgba(79,140,255,.25),transparent 34%);
      box-shadow:var(--shadow-blue);
      backdrop-filter:blur(18px);
      padding:22px;
      overflow:hidden;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      inset:auto -70px -95px auto;
      width:220px;height:220px;
      background:radial-gradient(circle,rgba(34,211,238,.24),transparent 65%);
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:flex-start;
      margin-bottom:20px;
    }
    .panel-title{font-size:20px;font-weight:850}
    .panel-muted{color:var(--muted);font-size:14px}
    .radar{
      position:relative;
      min-height:210px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.10);
      background:
        radial-gradient(circle at center,rgba(79,140,255,.18),transparent 34%),
        linear-gradient(135deg,rgba(11,23,48,.72),rgba(16,24,44,.55));
      overflow:hidden;
      display:grid;
      place-items:center;
    }
    .radar:before{
      content:"";
      width:164px;height:164px;border-radius:999px;
      border:1px solid rgba(34,211,238,.24);
      box-shadow:inset 0 0 0 38px rgba(79,140,255,.055), inset 0 0 0 76px rgba(139,92,246,.045);
      background:conic-gradient(from 10deg,rgba(34,211,238,.0),rgba(34,211,238,.24),rgba(139,92,246,.0));
      animation:spin 8s linear infinite;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .radar-card{
      position:absolute;
      border:1px solid rgba(255,255,255,.13);
      border-radius:16px;
      background:rgba(7,17,31,.62);
      backdrop-filter:blur(12px);
      padding:10px 12px;
      color:#EDF4FF;
      font-size:13px;
      box-shadow:0 14px 30px rgba(0,0,0,.16);
    }
    .radar-card:nth-child(1){left:20px;top:22px}
    .radar-card:nth-child(2){right:18px;top:72px}
    .radar-card:nth-child(3){left:44px;bottom:26px}
    .panel-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
      position:relative;
      z-index:1;
    }
    .stat-mini{
      border-radius:16px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.055);
      padding:12px;
    }
    .stat-mini b{display:block;font-size:22px;line-height:1.1}
    .stat-mini span{color:var(--muted);font-size:12px}
    .section{
      padding:46px 0;
      position:relative;
    }
    .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:22px;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,3vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      font-weight:850;
    }
    .section-desc{
      max-width:620px;
      color:var(--muted);
      margin-top:10px;
    }
    .glass-card{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      box-shadow:0 20px 55px rgba(0,0,0,.16);
      backdrop-filter:blur(16px);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-violet);
      background:linear-gradient(145deg,rgba(255,255,255,.12),rgba(255,255,255,.055));
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      min-height:28px;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.13);
      color:#DCE8FF;
      background:rgba(255,255,255,.06);
      font-size:12px;
      font-weight:720;
      white-space:nowrap;
    }
    .tag-cyan{border-color:rgba(34,211,238,.32);color:#CFFAFE;background:rgba(34,211,238,.07)}
    .tag-violet{border-color:rgba(139,92,246,.34);color:#E9D5FF;background:rgba(139,92,246,.09)}
    .tag-rose{border-color:rgba(184,131,183,.34);color:#F3D6EF;background:rgba(184,131,183,.10)}
    .content-layout{
      display:grid;
      grid-template-columns:270px minmax(0,1fr) 245px;
      gap:18px;
      align-items:start;
    }
    .filter-panel,.recommend-panel{
      position:sticky;
      top:150px;
      padding:18px;
    }
    .filter-group+.filter-group{margin-top:18px}
    .filter-title{
      color:#fff;
      font-weight:780;
      margin-bottom:10px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:8px;
    }
    .filter-chip{
      width:100%;
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:8px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:999px;
      padding:7px 11px;
      color:var(--muted);
      background:rgba(255,255,255,.045);
      margin-top:8px;
      transition:.2s ease;
      text-align:left;
    }
    .filter-chip:hover,
    .filter-chip.active{
      color:#fff;
      border-color:rgba(79,140,255,.46);
      background:rgba(79,140,255,.13);
      box-shadow:0 0 22px rgba(79,140,255,.12);
    }
    .filter-chip small{color:var(--weak)}
    .mobile-filters{
      display:none;
      overflow-x:auto;
      gap:10px;
      padding-bottom:6px;
      scrollbar-width:none;
    }
    .mobile-filters::-webkit-scrollbar{display:none}
    .article-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .article-card{
      position:relative;
      padding:18px;
      min-height:235px;
      overflow:hidden;
    }
    .article-card:before{
      content:"";
      position:absolute;
      right:-45px;
      top:-48px;
      width:120px;height:120px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(79,140,255,.22),transparent 65%);
      transition:.24s ease;
    }
    .article-card:hover:before{transform:translate(-12px,12px) scale(1.15)}
    .article-card.featured{
      grid-column:span 2;
      display:grid;
      grid-template-columns:minmax(0,1fr) 210px;
      gap:18px;
      min-height:260px;
      background:
        linear-gradient(145deg,rgba(79,140,255,.14),rgba(255,255,255,.05)),
        radial-gradient(circle at 80% 20%,rgba(139,92,246,.18),transparent 35%);
    }
    .card-cover{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg,rgba(79,140,255,.18),rgba(139,92,246,.18)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.09) 0 1px,transparent 1px 18px);
      min-height:190px;
      position:relative;
      overflow:hidden;
    }
    .card-cover:after{
      content:"关系图谱";
      position:absolute;
      left:16px;
      bottom:14px;
      color:rgba(255,255,255,.82);
      font-weight:800;
      letter-spacing:.08em;
    }
    .article-title{
      position:relative;
      z-index:1;
      margin:14px 0 10px;
      font-size:21px;
      line-height:1.32;
      font-weight:840;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .article-summary{
      position:relative;
      z-index:1;
      color:var(--muted);
      font-size:14.5px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .article-meta{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-top:16px;
      color:var(--weak);
      font-size:12px;
    }
    .recommend-title{
      font-size:16px;
      font-weight:820;
      margin:0 0 12px;
    }
    .mini-list{
      display:grid;
      gap:10px;
    }
    .mini-item{
      padding:12px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.045);
    }
    .mini-item b{display:block;color:#fff;font-size:14px;margin-bottom:3px}
    .mini-item span{color:var(--muted);font-size:12px;line-height:1.6}
    .divider-soft{
      height:1px;
      margin:16px 0;
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
    }
    .pagination{
      display:flex;
      justify-content:center;
      align-items:center;
      gap:9px;
      margin-top:24px;
    }
    .page-dot{
      min-width:40px;
      height:40px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.04);
      transition:.2s ease;
    }
    .page-dot:hover,.page-dot.active{
      color:#fff;
      border-color:rgba(91,124,250,.55);
      background:linear-gradient(135deg,rgba(79,140,255,.25),rgba(139,92,246,.18));
      box-shadow:0 0 28px rgba(79,140,255,.18);
    }
    .signal-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:16px;
    }
    .signal-card{
      padding:20px;
      min-height:180px;
    }
    .signal-number{
      font-size:42px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.05em;
      background:linear-gradient(90deg,#fff,#9CC2FF,#D8B4FE);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .signal-card p{color:var(--muted);margin:10px 0 0}
    .process-grid{
      display:grid;
      grid-template-columns:repeat(5,minmax(0,1fr));
      gap:12px;
      counter-reset:step;
    }
    .process-card{
      padding:18px;
      border-radius:22px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      position:relative;
      overflow:hidden;
    }
    .process-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      width:40px;height:40px;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      background:linear-gradient(135deg,rgba(79,140,255,.30),rgba(139,92,246,.25));
      color:#fff;
      font-weight:850;
      margin-bottom:16px;
      box-shadow:0 0 28px rgba(79,140,255,.18);
    }
    .process-card h3{font-size:17px;margin:0 0 8px;font-weight:820}
    .process-card p{color:var(--muted);font-size:14px;line-height:1.7;margin:0}
    .faq-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:18px;
      align-items:start;
    }
    .faq-list{display:grid;gap:10px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
      backdrop-filter:blur(16px);
    }
    .faq-question{
      width:100%;
      min-height:58px;
      padding:15px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#fff;
      background:transparent;
      text-align:left;
      font-weight:780;
    }
    .faq-question .plus{
      width:28px;height:28px;
      flex:0 0 auto;
      border-radius:999px;
      display:grid;
      place-items:center;
      border:1px solid rgba(255,255,255,.13);
      color:#CFFAFE;
      transition:.2s ease;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      color:var(--muted);
      padding:0 18px;
      transition:max-height .28s ease,padding .28s ease;
    }
    .faq-item.open{
      background:rgba(255,255,255,.08);
      border-color:rgba(79,140,255,.35);
    }
    .faq-item.open .faq-answer{
      max-height:180px;
      padding:0 18px 18px;
    }
    .faq-item.open .plus{transform:rotate(45deg);background:rgba(79,140,255,.20)}
    .cta-band{
      border-radius:30px;
      padding:26px;
      border:1px solid rgba(125,162,255,.28);
      background:
        radial-gradient(circle at 18% 20%,rgba(79,140,255,.28),transparent 34%),
        radial-gradient(circle at 82% 26%,rgba(139,92,246,.22),transparent 32%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      box-shadow:var(--shadow-blue);
      overflow:hidden;
    }
    .feedback-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
      align-items:stretch;
    }
    .form-card{
      padding:20px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .field label{
      display:block;
      color:#EAF1FF;
      font-size:13px;
      font-weight:760;
      margin-bottom:7px;
    }
    .field input,.field select,.field textarea{
      width:100%;
      min-height:52px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:16px;
      background:rgba(255,255,255,.06);
      color:#fff;
      padding:12px 14px;
      outline:none;
      transition:.2s ease;
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:var(--weak)}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(79,140,255,.65);
      box-shadow:0 0 0 4px rgba(79,140,255,.13);
      background:rgba(255,255,255,.08);
    }
    .field select option{background:#10182C;color:#fff}
    .form-note{
      color:var(--weak);
      font-size:13px;
      margin-top:12px;
    }
    .site-footer{
      margin-top:54px;
      padding:46px 0 26px;
      border-top:1px solid rgba(255,255,255,.10);
      background:rgba(4,11,22,.56);
      backdrop-filter:blur(18px);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .9fr .8fr;
      gap:28px;
    }
    .footer-title{
      color:#fff;
      font-weight:830;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:8px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a,.footer-links span{
      width:fit-content;
      transition:.2s ease;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width:1180px){
      .content-layout{grid-template-columns:230px minmax(0,1fr)}
      .recommend-panel{grid-column:2;position:static}
      .signal-grid{grid-template-columns:1fr 1fr}
      .process-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    }
    @media (max-width:960px){
      .brand-note,.search-pill{display:none}
      .hero-grid{grid-template-columns:1fr}
      .content-layout{display:block}
      .filter-panel{display:none}
      .mobile-filters{display:flex;margin-bottom:16px}
      .recommend-panel{margin-top:18px}
      .filter-chip{width:auto;white-space:nowrap}
      .faq-wrap,.feedback-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:720px){
      .site-container,.channel-scroll{width:min(calc(100% - 28px), var(--container))}
      .brand-row{min-height:68px}
      .brand span:last-child{font-size:17px}
      .level-pill{display:none}
      .hero{padding:42px 0 28px}
      h1{font-size:clamp(34px,10vw,40px)}
      .hero-desc{font-size:16px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .panel-stats{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr}
      .article-card.featured{grid-column:auto;grid-template-columns:1fr}
      .card-cover{min-height:150px}
      .section-heading{display:block}
      .signal-grid{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .header-actions .btn-primary{display:none}
      .channel-link{padding-inline:13px}
      .hero-panel,.cta-band{border-radius:24px;padding:18px}
      .article-title{font-size:19px}
      .section{padding:34px 0}
    }