/* roulang page: index */
:root{
      --primary:#2563eb;
      --primary-2:#2f6fed;
      --sky:#38bdf8;
      --cyan:#7dd3fc;
      --bg:#f7faff;
      --bg-soft:#eef5ff;
      --white:#ffffff;
      --text:#0f172a;
      --muted:#475569;
      --weak:#94a3b8;
      --border:#e2e8f0;
      --border-strong:#bfdbfe;
      --orange:#f59e0b;
      --green:#10b981;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --radius-xl:32px;
      --shadow:0 18px 45px rgba(37,99,235,.10);
      --shadow-hover:0 24px 60px rgba(37,99,235,.16);
      --max:1200px;
      --transition:all .22s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      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% 5%,rgba(125,211,252,.26),transparent 28%),
        radial-gradient(circle at 88% 12%,rgba(37,99,235,.12),transparent 30%),
        linear-gradient(180deg,#f7faff 0%,#ffffff 38%,#f7faff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input,select{
      width:100%;
      border:1px solid var(--border);
      border-radius:14px;
      padding:13px 15px;
      color:var(--text);
      background:#fff;
      outline:none;
      transition:var(--transition);
    }
    input:focus,select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.14);
    }
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .section{padding:84px 0}
    .section-tight{padding:64px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:30px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#eff6ff;
      color:#1d4ed8;
      font-size:13px;
      font-weight:700;
      border:1px solid #dbeafe;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:99px;
      background:linear-gradient(135deg,var(--primary),var(--sky));
      box-shadow:0 0 14px rgba(56,189,248,.55);
    }
    h1,h2,h3{letter-spacing:-.02em;line-height:1.2}
    h1{font-size:clamp(30px,5vw,48px);font-weight:800}
    h2{font-size:clamp(24px,3.3vw,34px);font-weight:800}
    h3{font-size:20px;font-weight:750}
    p{color:var(--muted)}
    .lead{font-size:17px;line-height:1.9;color:#334155}
    .muted{color:var(--weak)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 22px;
      border-radius:999px;
      font-weight:750;
      transition:var(--transition);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      box-shadow:0 14px 30px rgba(37,99,235,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.30)}
    .btn-secondary{
      background:#fff;
      color:var(--primary);
      border-color:#bfdbfe;
      box-shadow:0 8px 20px rgba(37,99,235,.08);
    }
    .btn-secondary:hover{background:#eff6ff;transform:translateY(-2px)}
    .btn-soft{
      background:#f1f5f9;
      color:#475569;
      border-color:#e2e8f0;
    }
    .btn-soft:hover{background:#eaf2ff;color:#1d4ed8}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:750;
      line-height:1;
    }
    .tag-blue{background:#dbeafe;color:#1d4ed8}
    .tag-cyan{background:#e0f7ff;color:#03687a}
    .tag-orange{background:#fff7ed;color:#a16207}
    .tag-slate{background:#f1f5f9;color:#475569}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      transition:var(--transition);
      position:relative;
      overflow:hidden;
    }
    .card::before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:3px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--primary),transparent);
      opacity:.65;
    }
    .card:hover{transform:translateY(-4px);border-color:#bfdbfe;box-shadow:var(--shadow-hover)}
    .topbar{
      background:#eff6ff;
      border-bottom:1px solid var(--border);
      color:#475569;
      font-size:13px;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .topbar-actions{display:flex;align-items:center;gap:14px;font-weight:700;color:#1d4ed8}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(226,232,240,.8);
      box-shadow:0 8px 28px rgba(15,23,42,.04);
    }
    .nav{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:850;
      color:#0f172a;
      letter-spacing:-.03em;
      white-space:nowrap;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,#2563eb,#38bdf8);
      box-shadow:0 14px 30px rgba(37,99,235,.24);
      position:relative;
      overflow:hidden;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      inset:8px;
      border:1px solid rgba(255,255,255,.58);
      border-radius:11px;
      transform:rotate(45deg);
    }
    .logo-text{font-size:19px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      padding:9px 14px;
      border-radius:999px;
      font-size:15px;
      color:#334155;
      font-weight:700;
      transition:var(--transition);
      position:relative;
    }
    .nav-link:hover{color:var(--primary);background:#eff6ff}
    .nav-link.active{color:#1d4ed8;background:#dbeafe}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      background:#eff6ff;color:#1d4ed8;
      align-items:center;justify-content:center;
      border:1px solid #dbeafe;
    }
    .hero{
      padding:42px 0 56px;
      background:
        linear-gradient(180deg,rgba(239,246,255,.9),rgba(255,255,255,.35)),
        radial-gradient(circle at 50% 0%,rgba(56,189,248,.16),transparent 40%);
      border-bottom:1px solid rgba(226,232,240,.8);
    }
    .hero-banner{
      min-height:360px;
      border-radius:34px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.94),rgba(239,246,255,.94)),
        radial-gradient(circle at 18% 25%,rgba(125,211,252,.35),transparent 32%),
        radial-gradient(circle at 84% 20%,rgba(37,99,235,.15),transparent 36%);
      border:1px solid #dbeafe;
      box-shadow:0 24px 70px rgba(37,99,235,.12);
      position:relative;
      overflow:hidden;
    }
    .hero-banner::before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(148,163,184,.22);
      border-radius:26px;
      pointer-events:none;
      background:
        linear-gradient(90deg,transparent 0 48%,rgba(37,99,235,.08) 49% 51%,transparent 52%),
        linear-gradient(0deg,transparent 0 48%,rgba(56,189,248,.10) 49% 51%,transparent 52%);
      opacity:.45;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.45fr .8fr;
      gap:28px;
      align-items:stretch;
      z-index:1;
    }
    .hero-cover{
      min-height:292px;
      border-radius:28px;
      padding:28px;
      background:
        linear-gradient(135deg,#f8fbff,#eef6ff),
        repeating-linear-gradient(45deg,rgba(37,99,235,.06) 0 1px,transparent 1px 18px);
      border:1px solid rgba(191,219,254,.9);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .hero-cover::after{
      content:"";
      position:absolute;
      width:360px;height:360px;border-radius:50%;
      right:-120px;bottom:-160px;
      background:radial-gradient(circle,rgba(56,189,248,.30),transparent 65%);
    }
    .hero-copy{max-width:760px;position:relative;z-index:1}
    .hero-copy h1{margin:16px 0 18px}
    .hero-copy .lead{max-width:680px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:26px}
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:24px;
      position:relative;z-index:1;
    }
    .point{
      background:rgba(255,255,255,.72);
      border:1px solid #dbeafe;
      border-radius:18px;
      padding:13px 14px;
    }
    .point strong{display:block;color:#0f172a;font-size:18px;line-height:1.2}
    .point span{color:#64748b;font-size:13px}
    .status-matrix{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .status-card{
      min-height:138px;
      border-radius:22px;
      padding:18px;
      background:#fff;
      border:1px solid #e2e8f0;
      box-shadow:0 12px 34px rgba(37,99,235,.08);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--transition);
    }
    .status-card:hover{transform:translateY(-3px);border-color:#bfdbfe}
    .status-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:#eff6ff;
      color:#1d4ed8;
      font-weight:900;
      box-shadow:inset 0 0 0 1px #dbeafe;
    }
    .status-card b{font-size:18px}
    .status-card small{color:#64748b;line-height:1.55}
    .countdown-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr auto;
      gap:24px;
      align-items:center;
      padding:28px;
    }
    .count-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .count-box{
      min-height:104px;
      border-radius:22px;
      background:linear-gradient(180deg,#ffffff,#eff6ff);
      border:1px solid #bfdbfe;
      box-shadow:0 14px 32px rgba(37,99,235,.10), inset 0 1px 0 rgba(255,255,255,.9);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      position:relative;
      overflow:hidden;
    }
    .count-box::before{
      content:"";
      position:absolute;
      inset:0 0 auto;
      height:24px;
      background:linear-gradient(180deg,rgba(255,255,255,.9),transparent);
    }
    .count-num{
      font-size:34px;
      line-height:1;
      font-weight:850;
      color:#1d4ed8;
      font-variant-numeric:tabular-nums;
    }
    .count-label{font-size:13px;color:#64748b;margin-top:8px;font-weight:700}
    .timeline-layout{
      display:grid;
      grid-template-columns:300px 1fr;
      gap:28px;
      align-items:start;
    }
    .timeline-nav{
      padding:22px;
      position:sticky;
      top:100px;
    }
    .time-node{
      display:flex;
      gap:14px;
      padding:14px 0;
      border-bottom:1px dashed #dbeafe;
      color:#475569;
    }
    .time-node:last-child{border-bottom:0}
    .dot{
      flex:0 0 30px;
      width:30px;height:30px;border-radius:50%;
      background:#eff6ff;
      border:1px solid #bfdbfe;
      display:grid;place-items:center;
      color:#1d4ed8;
      font-size:12px;font-weight:850;
      box-shadow:0 0 0 6px rgba(219,234,254,.55);
      margin-top:3px;
    }
    .highlight-list{display:grid;gap:18px}
    .highlight-card{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:18px;
      align-items:center;
      padding:22px;
    }
    .badge-num{
      width:54px;height:54px;border-radius:18px;
      background:linear-gradient(135deg,#eff6ff,#dbeafe);
      color:#1d4ed8;
      display:grid;place-items:center;
      font-weight:900;
      border:1px solid #bfdbfe;
      box-shadow:0 12px 24px rgba(37,99,235,.10);
    }
    .subscribe-card{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:30px;
      padding:34px;
      align-items:center;
    }
    .shield{
      width:64px;height:64px;border-radius:22px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#2563eb,#38bdf8);
      color:#fff;font-weight:900;font-size:24px;
      box-shadow:0 18px 38px rgba(37,99,235,.25);
      margin-bottom:18px;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 180px auto;
      gap:14px;
      align-items:center;
    }
    .form-note{
      margin-top:14px;
      padding:12px 14px;
      border-radius:14px;
      background:#f0fdf4;
      color:#047857;
      font-size:14px;
      display:none;
      border:1px solid #bbf7d0;
    }
    .mini-list{display:grid;gap:12px;margin-top:18px}
    .mini-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:#475569;
      align-items:flex-start;
    }
    .mini-list li::before{
      content:"✓";
      flex:0 0 22px;
      width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;
      background:#dbeafe;color:#1d4ed8;
      font-weight:900;font-size:12px;
      margin-top:2px;
    }
    .filter-row{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:22px;
    }
    .filter{
      padding:9px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid #bfdbfe;
      color:#1d4ed8;
      font-weight:750;
      transition:var(--transition);
    }
    .filter.active,.filter:hover{background:#2563eb;color:#fff;transform:translateY(-1px)}
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .entry-card{padding:18px}
    .abstract-cover{
      height:138px;
      border-radius:19px;
      background:
        radial-gradient(circle at 24% 28%,rgba(125,211,252,.75),transparent 22%),
        radial-gradient(circle at 72% 18%,rgba(37,99,235,.28),transparent 28%),
        linear-gradient(135deg,#eff6ff,#ffffff);
      border:1px solid #dbeafe;
      margin-bottom:16px;
      position:relative;
      overflow:hidden;
    }
    .abstract-cover::after{
      content:"";
      position:absolute;
      inset:16px;
      border:1px solid rgba(37,99,235,.16);
      border-radius:15px;
      transform:skewX(-7deg);
    }
    .entry-meta{display:flex;justify-content:space-between;gap:12px;margin:12px 0 18px;align-items:center}
    .data-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:stretch;
    }
    .kpi-board{padding:28px}
    .kpi-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
      margin-top:22px;
    }
    .kpi{
      padding:18px;
      border-radius:20px;
      background:#f8fbff;
      border:1px solid #dbeafe;
    }
    .kpi strong{font-size:30px;color:#1d4ed8;line-height:1}
    .bar-list{display:grid;gap:16px;margin-top:24px}
    .bar-row span{display:flex;justify-content:space-between;font-weight:700;color:#334155;margin-bottom:8px}
    .bar-track{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden}
    .bar-fill{height:100%;background:linear-gradient(90deg,#38bdf8,#2563eb);border-radius:999px}
    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:24px;
    }
    .news-list{padding:14px}
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      padding:17px;
      border-radius:18px;
      align-items:center;
      transition:var(--transition);
      border:1px solid transparent;
    }
    .news-item:hover{background:#f8fbff;border-color:#dbeafe}
    .news-date{font-weight:850;color:#1d4ed8;font-variant-numeric:tabular-nums}
    .recommend{padding:26px}
    .recommend-box{
      margin-top:18px;
      padding:18px;
      border-radius:20px;
      background:linear-gradient(135deg,#eff6ff,#ffffff);
      border:1px solid #dbeafe;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .proof-card{padding:22px;text-align:left}
    .proof-card strong{font-size:28px;color:#1d4ed8;display:block;line-height:1.1}
    .proof-card span{color:#64748b;font-size:14px}
    .compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
    }
    .compare-card{padding:26px}
    .compare-card ul{display:grid;gap:12px;margin-top:18px}
    .compare-card li{
      list-style:none;
      display:flex;
      gap:10px;
      color:#475569;
    }
    .compare-card li::before{
      content:"";
      flex:0 0 8px;width:8px;height:8px;border-radius:50%;
      background:#38bdf8;margin-top:10px;
    }
    .faq-layout{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:30px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 12px 30px rgba(37,99,235,.07);
      transition:var(--transition);
    }
    .faq-question{
      width:100%;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      font-weight:800;
      color:#0f172a;
    }
    .faq-plus{
      flex:0 0 28px;
      width:28px;height:28px;border-radius:50%;
      background:#eff6ff;
      color:#1d4ed8;
      display:grid;place-items:center;
      font-weight:900;
      transition:var(--transition);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
      background:#f8fbff;
    }
    .faq-answer p{padding:0 20px 18px}
    .faq-item.open{border-color:#bfdbfe}
    .faq-item.open .faq-plus{transform:rotate(45deg);background:#2563eb;color:#fff}
    .cta{
      padding:42px;
      border-radius:32px;
      background:
        linear-gradient(135deg,#2563eb,#38bdf8),
        radial-gradient(circle at 80% 20%,rgba(255,255,255,.26),transparent 30%);
      color:#fff;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      box-shadow:0 24px 70px rgba(37,99,235,.22);
      overflow:hidden;
      position:relative;
    }
    .cta::after{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:24px;
      pointer-events:none;
    }
    .cta h2,.cta p{color:#fff;position:relative;z-index:1}
    .cta p{opacity:.88;margin-top:10px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
    .cta .btn-secondary{border-color:rgba(255,255,255,.6)}
    .footer{
      margin-top:84px;
      background:#f1f5f9;
      border-top:1px solid #e2e8f0;
      position:relative;
    }
    .footer::before{
      content:"";
      position:absolute;inset:0 0 auto;height:3px;
      background:linear-gradient(90deg,transparent,#7dd3fc,#2563eb,transparent);
    }
    .footer-main{
      padding:48px 0 28px;
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
    }
    .footer h3{font-size:16px;margin-bottom:14px}
    .footer p,.footer a,.copyright{color:#64748b;font-size:14px}
    .footer a{display:block;margin:8px 0;transition:var(--transition)}
    .footer a:hover{color:#1d4ed8}
    .age-note{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:16px;
      padding:9px 12px;
      border-radius:999px;
      background:#fff7ed;
      color:#9a3412;
      border:1px solid #fed7aa;
      font-size:13px;
      font-weight:750;
    }
    .copyright{
      border-top:1px solid #e2e8f0;
      padding:18px 0;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .hero-grid,.countdown-wrap,.timeline-layout,.subscribe-card,.data-grid,.news-layout,.faq-layout,.cta{grid-template-columns:1fr}
      .timeline-nav{position:relative;top:auto}
      .entry-grid{grid-template-columns:repeat(2,1fr)}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:flex}
      .nav.mobile-open .nav-links{
        display:flex;
        position:absolute;
        left:20px;right:20px;top:calc(100% + 10px);
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        padding:14px;
        border-radius:22px;
        border:1px solid #dbeafe;
        box-shadow:var(--shadow-hover);
      }
      .nav.mobile-open .nav-link{padding:13px 16px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--max))}
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .topbar-inner{justify-content:center;text-align:center}
      .topbar-actions{display:none}
      .hero{padding:28px 0 42px}
      .hero-banner{padding:18px;border-radius:26px}
      .hero-cover{padding:20px;min-height:320px}
      .hero-points,.status-matrix,.kpi-grid,.compare,.footer-main{grid-template-columns:1fr}
      .count-grid{grid-template-columns:repeat(4,1fr);gap:8px}
      .count-box{min-height:82px;border-radius:16px}
      .count-num{font-size:24px}
      .highlight-card{grid-template-columns:1fr;gap:12px}
      .form-grid{grid-template-columns:1fr}
      .entry-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .cta{padding:28px;border-radius:24px}
      .cta-actions{margin-top:8px}
      .footer{margin-top:58px}
    }
    @media (max-width:520px){
      .logo-text{font-size:16px;max-width:220px;overflow:hidden;text-overflow:ellipsis}
      .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
      .btn{width:100%}
      .count-grid{grid-template-columns:repeat(2,1fr)}
      .proof-grid{grid-template-columns:1fr}
      .filter-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
      .filter{flex:0 0 auto}
    }

/* roulang page: category1 */
:root{
      --primary:#2563EB;
      --primary-2:#2F6FED;
      --cyan:#38BDF8;
      --cyan-soft:#E0F2FE;
      --bg:#F7FAFF;
      --bg-2:#EEF5FF;
      --white:#FFFFFF;
      --text:#0F172A;
      --muted:#475569;
      --weak:#94A3B8;
      --border:#E2E8F0;
      --line:#CBD5E1;
      --warning:#F59E0B;
      --success:#0F766E;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 18px 45px rgba(37,99,235,.10);
      --shadow-hover:0 24px 60px rgba(37,99,235,.16);
      --focus:0 0 0 4px rgba(37,99,235,.16);
    }
    *{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 8% 6%, rgba(56,189,248,.18), transparent 26%),
        radial-gradient(circle at 88% 12%, rgba(37,99,235,.12), transparent 24%),
        linear-gradient(180deg,#F8FBFF 0%,#FFFFFF 38%,#F7FAFF 100%);
      line-height:1.75;
      min-width:320px;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input,select{
      width:100%;
      border:1px solid var(--border);
      border-radius:16px;
      padding:13px 15px;
      background:#fff;
      color:var(--text);
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    input:focus,select:focus{border-color:var(--primary);box-shadow:var(--focus)}
    .container{width:min(1200px,calc(100% - 40px));margin:0 auto}
    .topbar{
      border-bottom:1px solid var(--border);
      background:rgba(239,246,255,.86);
      backdrop-filter:blur(10px);
      font-size:13px;
      color:#334155;
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      white-space:nowrap;
      overflow:hidden;
    }
    .topbar-actions{display:flex;align-items:center;gap:14px}
    .topbar a{color:var(--primary);font-weight:650}
    .topbar-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:4px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:#475569;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(226,232,240,.86);
      box-shadow:0 8px 26px rgba(15,23,42,.04);
    }
    .nav{
      height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;color:var(--text);letter-spacing:-.02em}
    .logo-mark{
      width:40px;height:40px;border-radius:15px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      position:relative;
      overflow:hidden;
    }
    .logo-mark:after{
      content:"";
      position:absolute;inset:5px;
      border:1px solid rgba(255,255,255,.45);
      border-radius:11px;
      clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
    }
    .logo-text{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-link{
      padding:9px 14px;
      border-radius:999px;
      color:#475569;
      font-weight:650;
      font-size:15px;
      position:relative;
    }
    .nav-link:hover{color:var(--primary);background:#EFF6FF}
    .nav-link.active{color:var(--primary);background:#EAF2FF}
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:4px;height:2px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
      border-radius:999px;
    }
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;
      padding:12px 20px;
      font-weight:750;
      font-size:15px;
      border:1px solid transparent;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.22)}
    .btn-primary:hover{box-shadow:0 18px 36px rgba(37,99,235,.30)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:#BFDBFE;box-shadow:0 10px 24px rgba(37,99,235,.08)}
    .btn-secondary:hover{background:#EFF6FF;border-color:#93C5FD}
    .btn-soft{background:#EFF6FF;color:var(--primary);border-color:#DBEAFE}
    .btn-soft:hover{background:#E0F2FE}
    .menu-toggle{
      display:none;
      width:42px;height:42px;border-radius:14px;
      color:var(--primary);
      background:#EFF6FF;
      align-items:center;justify-content:center;
    }
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .section-head{max-width:780px;margin-bottom:30px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#EFF6FF;
      color:var(--primary);
      border:1px solid #DBEAFE;
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(56,189,248,.16);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(30px,4.6vw,48px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:850;
      margin-bottom:18px;
    }
    h2{
      font-size:clamp(24px,3.2vw,34px);
      line-height:1.24;
      letter-spacing:-.03em;
      font-weight:820;
      margin-bottom:14px;
    }
    h3{font-size:20px;line-height:1.35;font-weight:760;margin-bottom:10px}
    p{color:var(--muted)}
    .hero{
      padding:64px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px),
        linear-gradient(180deg,rgba(56,189,248,.06) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 75%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:30px;
      align-items:stretch;
    }
    .hero-copy{
      background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(239,246,255,.94));
      border:1px solid var(--border);
      border-radius:30px;
      padding:36px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      right:-60px;top:-70px;
      width:210px;height:210px;border-radius:50%;
      background:radial-gradient(circle,rgba(56,189,248,.22),transparent 68%);
    }
    .hero-sub{font-size:17px;max-width:720px;margin-bottom:24px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 26px}
    .status-row{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:750;
      border:1px solid transparent;
      line-height:1;
    }
    .tag-blue{background:#EFF6FF;color:#1D4ED8;border-color:#DBEAFE}
    .tag-cyan{background:#ECFEFF;color:#0E7490;border-color:#CFFAFE}
    .tag-orange{background:#FFF7ED;color:#B45309;border-color:#FED7AA}
    .tag-slate{background:#F1F5F9;color:#475569;border-color:#E2E8F0}
    .guide-card{
      border-radius:30px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .guide-card:before{
      content:"";
      position:absolute;left:20px;right:20px;top:0;height:3px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--cyan),transparent);
      border-radius:999px;
    }
    .guide-cover{
      min-height:210px;
      border-radius:22px;
      background:
        radial-gradient(circle at 24% 24%,rgba(255,255,255,.95),transparent 18%),
        radial-gradient(circle at 82% 18%,rgba(125,211,252,.58),transparent 25%),
        linear-gradient(135deg,#1D4ED8,#38BDF8 72%,#E0F2FE);
      padding:22px;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .guide-cover:after{
      content:"";
      position:absolute;
      inset:16px;
      border:1px solid rgba(255,255,255,.42);
      border-radius:18px;
      clip-path:polygon(0 0,100% 0,100% 82%,82% 100%,0 100%);
    }
    .guide-cover strong{font-size:24px;line-height:1.25;max-width:310px;position:relative;z-index:1}
    .guide-cover span{position:relative;z-index:1;font-weight:700;opacity:.92}
    .toc{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .toc li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border-radius:16px;
      background:#F8FAFC;
      border:1px solid #E2E8F0;
      color:#475569;
      font-size:14px;
    }
    .toc b{
      width:28px;height:28px;flex:0 0 auto;
      border-radius:10px;
      display:grid;place-items:center;
      color:#1D4ED8;background:#DBEAFE;
    }
    .panel{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .countdown-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .countdown-card:before{
      content:"";
      position:absolute;inset:auto 0 0 0;height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
    }
    .timer{display:grid;grid-template-columns:repeat(4,88px);gap:12px}
    .time-box{
      border:1px solid #BFDBFE;
      background:linear-gradient(180deg,#FFFFFF,#EFF6FF);
      border-radius:18px;
      padding:13px 10px;
      text-align:center;
      box-shadow:0 12px 24px rgba(37,99,235,.10);
      position:relative;
    }
    .time-box:before{
      content:"";
      position:absolute;left:12px;right:12px;top:6px;height:1px;
      background:rgba(255,255,255,.9);
    }
    .time-box strong{display:block;color:var(--primary);font-size:29px;line-height:1;font-weight:850;letter-spacing:-.02em}
    .time-box span{display:block;margin-top:8px;color:#64748B;font-size:13px;font-weight:750}
    .filter-strip{
      display:flex;
      gap:10px;
      overflow:auto;
      padding:6px 2px 16px;
      scrollbar-width:none;
    }
    .filter-strip::-webkit-scrollbar{display:none}
    .chip{
      flex:0 0 auto;
      border-radius:999px;
      padding:9px 14px;
      border:1px solid #BFDBFE;
      color:var(--primary);
      background:#fff;
      font-weight:750;
      font-size:14px;
    }
    .chip.active,.chip:hover{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.18)}
    .entry-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:20px;
    }
    .entry-item{
      border:1px solid var(--border);
      border-radius:24px;
      background:#fff;
      padding:20px;
      box-shadow:0 10px 26px rgba(15,23,42,.04);
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:15px;
      align-items:start;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .entry-item:hover{transform:translateY(-3px);border-color:#93C5FD;box-shadow:var(--shadow-hover)}
    .entry-no{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#DBEAFE,#E0F2FE);
      color:#1D4ED8;
      font-weight:850;
      box-shadow:0 10px 20px rgba(37,99,235,.10);
    }
    .entry-item p{font-size:14px;margin-bottom:12px}
    .entry-meta{display:flex;gap:8px;flex-wrap:wrap}
    .mini-btn{
      align-self:center;
      padding:9px 13px;
      border-radius:999px;
      color:var(--primary);
      background:#EFF6FF;
      border:1px solid #DBEAFE;
      font-size:14px;
      font-weight:800;
      white-space:nowrap;
    }
    .mini-btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
    .timeline-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:26px;
      align-items:start;
    }
    .summary-panel{
      padding:24px;
      position:sticky;
      top:96px;
    }
    .summary-panel ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
    .summary-panel li{
      display:flex;gap:10px;align-items:flex-start;
      padding:12px;border-radius:16px;background:#F8FAFC;border:1px solid #E2E8F0;color:#475569;
    }
    .summary-panel li:before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      margin-top:9px;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(56,189,248,.15);
      flex:0 0 auto;
    }
    .timeline{position:relative;display:grid;gap:18px}
    .timeline:before{
      content:"";
      position:absolute;left:25px;top:6px;bottom:6px;width:2px;
      background:linear-gradient(180deg,#BFDBFE,#E0F2FE);
    }
    .timeline-item{
      position:relative;
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      align-items:start;
    }
    .timeline-dot{
      width:52px;height:52px;border-radius:18px;
      display:grid;place-items:center;
      color:#1D4ED8;
      background:#fff;
      border:1px solid #BFDBFE;
      box-shadow:0 10px 20px rgba(37,99,235,.10);
      font-weight:850;
      z-index:1;
    }
    .timeline-card{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 10px 24px rgba(15,23,42,.04);
      transition:.22s ease;
    }
    .timeline-card:hover{border-color:#93C5FD;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .subscribe-card{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      padding:30px;
      overflow:hidden;
      position:relative;
    }
    .subscribe-card:before{
      content:"";
      position:absolute;top:0;left:24px;right:24px;height:4px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--cyan),transparent);
      border-radius:999px;
    }
    .form-grid{display:grid;grid-template-columns:1fr 180px;gap:12px;margin:18px 0 12px}
    .form-grid .full{grid-column:1/-1}
    .notice-list{display:grid;gap:12px;margin-top:18px}
    .notice{
      display:flex;gap:12px;
      padding:13px 14px;
      border-radius:18px;
      background:#F8FAFC;
      border:1px solid var(--border);
      color:#475569;
    }
    .notice span{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background:#DBEAFE;color:#1D4ED8;font-weight:850;flex:0 0 auto;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:30px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      box-shadow:0 8px 22px rgba(15,23,42,.04);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--text);
      font-weight:800;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:#EFF6FF;color:var(--primary);
      flex:0 0 auto;
      transition:transform .2s ease;
    }
    .faq-answer{display:none;padding:0 20px 18px;color:var(--muted)}
    .faq-item.open{background:linear-gradient(180deg,#fff,#F8FBFF);border-color:#BFDBFE}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--primary);color:#fff}
    .cta{
      padding:34px;
      border-radius:30px;
      background:
        radial-gradient(circle at 10% 30%,rgba(56,189,248,.20),transparent 26%),
        linear-gradient(135deg,#EFF6FF,#FFFFFF);
      border:1px solid #DBEAFE;
      box-shadow:var(--shadow);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      overflow:hidden;
      position:relative;
    }
    .cta:after{
      content:"";
      width:180px;height:180px;border-radius:50%;
      position:absolute;right:-70px;bottom:-80px;
      background:radial-gradient(circle,rgba(37,99,235,.16),transparent 70%);
    }
    .cta > *{position:relative;z-index:1}
    .footer{
      margin-top:20px;
      background:#F1F5F9;
      border-top:1px solid #E2E8F0;
      position:relative;
    }
    .footer:before{
      content:"";
      position:absolute;top:0;left:0;right:0;height:2px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--cyan),transparent);
    }
    .footer-main{
      padding:52px 0 34px;
      display:grid;
      grid-template-columns:1.4fr .7fr 1fr;
      gap:34px;
      color:#475569;
    }
    .footer h3{font-size:16px;margin-bottom:14px;color:#0F172A}
    .footer a:not(.logo){
      display:block;
      color:#475569;
      margin:9px 0;
      font-weight:650;
    }
    .footer a:not(.logo):hover{color:var(--primary);transform:translateX(2px)}
    .age-note{
      display:inline-flex;
      margin-top:14px;
      padding:7px 11px;
      border-radius:999px;
      background:#FFF7ED;
      color:#B45309;
      border:1px solid #FED7AA;
      font-size:13px;
      font-weight:800;
    }
    .copyright{
      border-top:1px solid #E2E8F0;
      padding:18px 0;
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#64748B;
      font-size:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .hero-grid,.timeline-wrap,.subscribe-card,.faq-grid{grid-template-columns:1fr}
      .summary-panel{position:static}
      .entry-list{grid-template-columns:1fr}
      .countdown-card{grid-template-columns:1fr}
      .timer{grid-template-columns:repeat(4,minmax(70px,1fr))}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1200px)}
      .topbar-inner{font-size:12px}
      .topbar-actions{display:none}
      .nav{height:66px}
      .nav-links,.nav-cta{
        display:none;
        position:absolute;
        left:14px;right:14px;top:76px;
        background:#fff;
        border:1px solid var(--border);
        border-radius:22px;
        box-shadow:var(--shadow-hover);
        padding:12px;
      }
      .nav-links.open{display:grid;gap:6px}
      .nav-cta.open{display:flex;top:238px}
      .nav-link{width:100%;border-radius:14px}
      .menu-toggle{display:flex}
      .hero{padding:38px 0 28px}
      .hero-copy,.guide-card,.subscribe-card,.cta{padding:22px}
      .section{padding:54px 0}
      .section-tight{padding:42px 0}
      .footer-main{grid-template-columns:1fr}
      .cta{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .logo-text{font-size:16px}
      .logo-mark{width:36px;height:36px;border-radius:13px}
      .timer{grid-template-columns:repeat(2,1fr)}
      .entry-item{grid-template-columns:1fr}
      .entry-no{width:38px;height:38px}
      .mini-btn{justify-self:start}
      .form-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:44px 1fr;gap:12px}
      .timeline:before{left:21px}
      .timeline-dot{width:44px;height:44px;border-radius:15px;font-size:14px}
      .btn{width:100%}
      .hero-actions{width:100%}
    }

/* roulang page: category2 */
:root{
      --primary:#2563eb;
      --primary-2:#2f6fed;
      --primary-dark:#1d4ed8;
      --cyan:#38bdf8;
      --cyan-soft:#e0f2fe;
      --bg:#f7faff;
      --bg-2:#eef5ff;
      --surface:#ffffff;
      --surface-soft:#f8fafc;
      --text:#0f172a;
      --muted:#475569;
      --weak:#94a3b8;
      --border:#e2e8f0;
      --border-strong:#cbd5e1;
      --warning:#f59e0b;
      --warning-bg:#fff7ed;
      --success:#0f766e;
      --success-bg:#ecfeff;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:24px;
      --radius-xl:32px;
      --shadow:0 18px 45px rgba(37,99,235,.10);
      --shadow-hover:0 24px 60px rgba(37,99,235,.16);
      --shadow-soft:0 10px 26px rgba(15,23,42,.06);
      --container:1200px;
      --transition:220ms ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 4%, rgba(56,189,248,.18), transparent 32%),
        radial-gradient(circle at 92% 12%, rgba(37,99,235,.12), transparent 34%),
        linear-gradient(180deg,#f7faff 0%,#fff 46%,#f7faff 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select{font:inherit}
    button{cursor:pointer;border:0;background:none}
    input,select{
      width:100%;
      border:1px solid var(--border);
      background:#fff;
      border-radius:14px;
      padding:13px 14px;
      color:var(--text);
      outline:none;
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    input:focus,select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.16);
    }
    .container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .topbar{
      background:rgba(239,246,255,.92);
      border-bottom:1px solid var(--border);
      font-size:13px;
      color:#475569;
    }
    .topbar-inner{
      height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      white-space:nowrap;
    }
    .topbar-left,.topbar-actions{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .topbar-domain{
      color:var(--primary);
      font-weight:700;
      letter-spacing:.02em;
    }
    .topbar-tip{
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .topbar-actions a{
      color:var(--primary);
      font-weight:650;
      transition:color var(--transition);
    }
    .topbar-actions a:hover{color:var(--primary-dark)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.9);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(226,232,240,.78);
      box-shadow:0 8px 24px rgba(15,23,42,.04);
    }
    .nav{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
      position:relative;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--text);
      flex:0 0 auto;
    }
    .logo-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      color:#fff;
      border-radius:15px;
      background:
        linear-gradient(135deg,rgba(37,99,235,1),rgba(56,189,248,.96));
      box-shadow:0 12px 28px rgba(37,99,235,.22);
      position:relative;
      overflow:hidden;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      inset:7px;
      border:1px solid rgba(255,255,255,.55);
      border-radius:11px;
    }
    .logo-text{
      font-size:18px;
      line-height:1.15;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      padding:9px 14px;
      border-radius:999px;
      color:#475569;
      font-weight:650;
      font-size:15px;
      transition:background var(--transition),color var(--transition),box-shadow var(--transition);
      position:relative;
    }
    .nav-link:hover{
      color:var(--primary);
      background:#eff6ff;
    }
    .nav-link.active{
      color:var(--primary);
      background:#eff6ff;
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.12);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,transparent,var(--cyan),transparent);
    }
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:12px 20px;
      font-weight:750;
      line-height:1;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible{
      outline:3px solid rgba(37,99,235,.22);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      box-shadow:0 16px 32px rgba(37,99,235,.22);
    }
    .btn-primary:hover{box-shadow:0 22px 42px rgba(37,99,235,.30)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:rgba(37,99,235,.22);
      box-shadow:0 10px 24px rgba(37,99,235,.08);
    }
    .btn-secondary:hover{background:#eff6ff;border-color:rgba(37,99,235,.38)}
    .btn-ghost{
      background:#eef6ff;
      color:#1d4ed8;
      border-color:#dbeafe;
    }
    .menu-toggle{
      display:none;
      color:var(--primary);
      width:42px;
      height:42px;
      border-radius:13px;
      background:#eff6ff;
      align-items:center;
      justify-content:center;
    }
    main{position:relative}
    .section{
      padding:84px 0;
    }
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#eff6ff;
      color:var(--primary);
      font-size:13px;
      font-weight:750;
      border:1px solid rgba(37,99,235,.12);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 5px rgba(56,189,248,.16);
    }
    h1,h2,h3{letter-spacing:-.03em;line-height:1.22}
    h1{
      font-size:clamp(30px,5vw,48px);
      font-weight:850;
      margin-top:18px;
      max-width:900px;
    }
    h2{
      font-size:clamp(24px,3.2vw,34px);
      font-weight:820;
      margin-bottom:14px;
    }
    h3{
      font-size:20px;
      font-weight:760;
    }
    .lead{
      margin-top:18px;
      color:var(--muted);
      font-size:17px;
      max-width:760px;
    }
    .hero-filter{
      padding:72px 0 38px;
      position:relative;
      overflow:hidden;
    }
    .hero-filter::before{
      content:"";
      position:absolute;
      inset:26px max(20px,calc((100vw - var(--container))/2)) auto auto;
      width:360px;
      height:220px;
      border-radius:42px;
      background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(56,189,248,.12));
      filter:blur(4px);
      z-index:-1;
    }
    .hero-panel{
      background:
        linear-gradient(135deg,rgba(255,255,255,.95),rgba(239,246,255,.88)),
        repeating-linear-gradient(90deg,rgba(37,99,235,.05) 0 1px,transparent 1px 34px);
      border:1px solid rgba(203,213,225,.88);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      inset:14px;
      border:1px solid rgba(56,189,248,.20);
      border-radius:24px;
      pointer-events:none;
    }
    .hero-head{
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
      gap:30px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .summary-card{
      background:#fff;
      border:1px solid rgba(226,232,240,.92);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow-soft);
    }
    .summary-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-bottom:16px;
      border-bottom:1px dashed var(--border);
    }
    .summary-icon{
      width:54px;
      height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:linear-gradient(135deg,#eff6ff,#e0f2fe);
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.10);
    }
    .summary-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .summary-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--muted);
      font-size:14px;
    }
    .summary-row strong{color:var(--text)}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .status-panel{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .status-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:20px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
    }
    .status-card:hover{
      transform:translateY(-4px);
      border-color:rgba(37,99,235,.35);
      box-shadow:var(--shadow-hover);
    }
    .status-label{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:780;
      margin-bottom:12px;
    }
    .tag-blue{background:#eff6ff;color:#1d4ed8}
    .tag-cyan{background:#ecfeff;color:#0e7490}
    .tag-orange{background:#fff7ed;color:#b45309}
    .tag-slate{background:#f1f5f9;color:#475569}
    .status-card p{
      margin-top:8px;
      color:var(--muted);
      font-size:15px;
    }
    .filter-tabs{
      display:flex;
      gap:12px;
      overflow-x:auto;
      padding:4px 2px 14px;
      scrollbar-width:none;
    }
    .filter-tabs::-webkit-scrollbar{display:none}
    .pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:7px;
      flex:0 0 auto;
      border-radius:999px;
      border:1px solid rgba(37,99,235,.20);
      background:#fff;
      color:var(--primary);
      padding:10px 15px;
      font-weight:720;
      font-size:14px;
      box-shadow:0 8px 20px rgba(37,99,235,.06);
      transition:background var(--transition),color var(--transition),transform var(--transition),box-shadow var(--transition);
    }
    .pill:hover{background:#eff6ff;transform:translateY(-2px)}
    .pill.active{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      box-shadow:0 14px 26px rgba(37,99,235,.22);
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:30px;
      align-items:start;
    }
    .timeline{
      position:relative;
      display:grid;
      gap:18px;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:78px;
      top:14px;
      bottom:14px;
      width:2px;
      background:linear-gradient(180deg,rgba(37,99,235,.35),rgba(56,189,248,.12));
    }
    .timeline-item{
      display:grid;
      grid-template-columns:156px minmax(0,1fr);
      gap:24px;
      align-items:stretch;
      position:relative;
    }
    .time-node{
      position:relative;
      z-index:1;
      align-self:start;
      background:#fff;
      border:1px solid var(--border);
      border-radius:18px;
      padding:16px 14px;
      box-shadow:var(--shadow-soft);
      text-align:center;
    }
    .time-node::after{
      content:"";
      position:absolute;
      right:-34px;
      top:26px;
      width:14px;
      height:14px;
      border-radius:50%;
      background:#fff;
      border:4px solid var(--primary);
      box-shadow:0 0 0 7px rgba(37,99,235,.12);
    }
    .time-node strong{
      display:block;
      color:var(--primary);
      font-size:22px;
      line-height:1.1;
    }
    .time-node span{
      color:var(--weak);
      font-size:13px;
      font-weight:700;
    }
    .update-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
      position:relative;
      overflow:hidden;
    }
    .update-card::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:3px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--primary),transparent);
      opacity:.7;
    }
    .update-card:hover{
      transform:translateY(-4px);
      border-color:rgba(37,99,235,.38);
      box-shadow:var(--shadow-hover);
    }
    .update-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      margin-bottom:10px;
    }
    .badge-no{
      width:44px;
      height:44px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:#eff6ff;
      color:var(--primary);
      font-weight:850;
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.12);
      flex:0 0 auto;
    }
    .update-title{
      display:flex;
      gap:14px;
      align-items:flex-start;
    }
    .update-card p{
      color:var(--muted);
      margin:10px 0 18px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:760;
    }
    .side-stack{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow);
    }
    .side-card h3{margin-bottom:10px}
    .side-card p{
      color:var(--muted);
      font-size:15px;
      margin-bottom:16px;
    }
    .check-list{
      list-style:none;
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:15px;
    }
    .check-list li::before{
      content:"";
      width:18px;
      height:18px;
      flex:0 0 auto;
      margin-top:4px;
      border-radius:50%;
      background:
        radial-gradient(circle at center,var(--primary) 0 4px,transparent 5px),
        #eff6ff;
      border:1px solid rgba(37,99,235,.15);
    }
    .notice-box{
      border:1px solid rgba(245,158,11,.20);
      background:var(--warning-bg);
      color:#92400e;
      padding:14px;
      border-radius:18px;
      font-size:14px;
      margin-top:16px;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1.16fr 1fr;
      gap:22px;
      align-items:stretch;
      margin-top:26px;
    }
    .choice-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
      position:relative;
      overflow:hidden;
    }
    .choice-card:hover{
      transform:translateY(-4px);
      border-color:rgba(37,99,235,.28);
      box-shadow:var(--shadow-hover);
    }
    .choice-card.recommend{
      border-color:rgba(37,99,235,.35);
      box-shadow:var(--shadow);
      background:linear-gradient(180deg,#fff,#f8fbff);
    }
    .choice-card.recommend::before{
      content:"推荐";
      position:absolute;
      top:18px;
      right:18px;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      color:#fff;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:800;
    }
    .choice-card p{
      color:var(--muted);
      margin:10px 0 18px;
      font-size:15px;
    }
    .choice-meta{
      display:grid;
      gap:9px;
      padding-top:16px;
      border-top:1px dashed var(--border);
      color:#64748b;
      font-size:14px;
    }
    .form-section{
      background:
        linear-gradient(135deg,rgba(239,246,255,.9),rgba(255,255,255,.82)),
        radial-gradient(circle at 12% 30%,rgba(56,189,248,.16),transparent 34%);
      border-block:1px solid rgba(226,232,240,.7);
    }
    .subscribe-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:30px;
      display:grid;
      grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);
      gap:30px;
      position:relative;
      overflow:hidden;
    }
    .subscribe-card::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:4px;
      background:linear-gradient(90deg,var(--primary),var(--cyan),transparent);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 180px auto;
      gap:12px;
      align-items:center;
      margin-top:20px;
    }
    .form-note{
      margin-top:12px;
      color:var(--weak);
      font-size:13px;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:360px minmax(0,1fr);
      gap:40px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--border);
      border-radius:20px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:border-color var(--transition),box-shadow var(--transition);
    }
    .faq-item:hover{border-color:rgba(37,99,235,.28);box-shadow:var(--shadow)}
    .faq-question{
      width:100%;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      color:var(--text);
      font-weight:760;
    }
    .faq-icon{
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#eff6ff;
      color:var(--primary);
      transition:transform var(--transition),background var(--transition);
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open{
      background:linear-gradient(180deg,#fff,#f8fbff);
      border-color:rgba(37,99,235,.30);
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:#dbeafe}
    .cta-card{
      border-radius:32px;
      padding:36px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 0%,rgba(125,211,252,.35),transparent 36%),
        linear-gradient(135deg,#1d4ed8,#2563eb 54%,#38bdf8);
      box-shadow:0 26px 66px rgba(37,99,235,.26);
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .cta-card::after{
      content:"";
      position:absolute;
      inset:16px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:24px;
      pointer-events:none;
    }
    .cta-card h2{margin-bottom:10px}
    .cta-card p{color:rgba(255,255,255,.86);max-width:720px}
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      position:relative;
      z-index:1;
    }
    .cta-card .btn-secondary{
      background:#fff;
      color:#1d4ed8;
      border-color:rgba(255,255,255,.5);
    }
    .cta-card .btn-ghost{
      background:rgba(255,255,255,.12);
      color:#fff;
      border-color:rgba(255,255,255,.34);
    }
    .footer{
      background:#f1f5f9;
      border-top:1px solid var(--border);
      position:relative;
    }
    .footer::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:0;
      height:3px;
      background:linear-gradient(90deg,transparent,var(--primary),var(--cyan),transparent);
      opacity:.55;
    }
    .footer-main{
      padding:48px 0 34px;
      display:grid;
      grid-template-columns:minmax(0,1.4fr) .7fr 1fr;
      gap:42px;
      color:var(--muted);
    }
    .footer h3{
      font-size:16px;
      margin-bottom:14px;
      color:var(--text);
    }
    .footer a:not(.logo){
      display:block;
      color:var(--muted);
      margin:9px 0;
      transition:color var(--transition),transform var(--transition);
    }
    .footer a:not(.logo):hover{
      color:var(--primary);
      transform:translateX(2px);
    }
    .age-note{
      display:inline-flex;
      margin-top:16px;
      border-radius:999px;
      padding:7px 11px;
      background:#fff7ed;
      color:#b45309;
      font-size:13px;
      font-weight:760;
      border:1px solid rgba(245,158,11,.20);
    }
    .copyright{
      border-top:1px solid var(--border);
      padding:18px 0 24px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#64748b;
      font-size:14px;
    }
    @media (max-width:1024px){
      .hero-head,.content-layout,.subscribe-card,.faq-wrap{
        grid-template-columns:1fr;
      }
      .side-stack{position:static}
      .compare-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr 1fr}
      .form-grid .btn{grid-column:1/-1}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .topbar-inner{height:36px}
      .topbar-actions{display:none}
      .nav{min-height:66px}
      .nav-links{
        position:absolute;
        left:0;
        right:0;
        top:72px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--border);
        border-radius:22px;
        padding:12px;
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-link{padding:13px 14px}
      .nav-cta{display:none}
      .menu-toggle{display:flex}
      .hero-filter{padding:52px 0 28px}
      .hero-panel{padding:24px}
      .status-panel{grid-template-columns:1fr}
      .section{padding:58px 0}
      .section-tight{padding:48px 0}
      .timeline::before{display:none}
      .timeline-item{grid-template-columns:1fr;gap:12px}
      .time-node{
        display:flex;
        align-items:center;
        justify-content:space-between;
        text-align:left;
      }
      .time-node::after{display:none}
      .update-head{flex-direction:column}
      .footer-main{grid-template-columns:1fr}
      .copyright{flex-direction:column}
      .cta-card{grid-template-columns:1fr;padding:28px}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .logo-text{font-size:16px}
      .logo-mark{width:38px;height:38px;border-radius:13px}
      .hero-panel{border-radius:24px;padding:20px}
      .summary-top{align-items:flex-start}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%;padding:13px 18px}
      .form-grid{grid-template-columns:1fr}
      .subscribe-card{padding:22px;border-radius:24px}
      .status-card,.update-card,.side-card,.choice-card{border-radius:20px;padding:20px}
      .topbar-tip{max-width:220px}
    }