/* roulang page: index */
:root{
      --bg:#f7f9fc;
      --surface:#ffffff;
      --ink:#17212b;
      --muted:#657386;
      --line:#dde5ee;
      --brand:#2563eb;
      --brand-deep:#1d4ed8;
      --mint:#10b981;
      --amber:#f59e0b;
      --radius:28px;
      --radius-sm:16px;
      --shadow:0 18px 50px rgba(23,33,43,.10);
      --shadow-lift:0 24px 70px rgba(37,99,235,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 4%, rgba(37,99,235,.10), transparent 28%),
        radial-gradient(circle at 88% 14%, rgba(16,185,129,.10), transparent 25%),
        var(--bg);
      line-height:1.7;
      letter-spacing:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:3px}
    .site-shell{min-height:100vh;overflow:hidden}
    .container-max{width:min(1160px, calc(100% - 40px));margin:0 auto}
    .floating-header{
      position:sticky;
      top:14px;
      z-index:50;
      padding:10px 0;
    }
    .nav-pill{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 18px;
      border:1px solid rgba(221,229,238,.86);
      border-radius:999px;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      box-shadow:0 12px 36px rgba(23,33,43,.08);
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      font-weight:800;
      color:var(--ink);
    }
    .brand-icon{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--mint));
      box-shadow:0 10px 20px rgba(37,99,235,.20);
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      flex:1;
    }
    .nav-link{
      padding:9px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--ink);
      background:#eef4ff;
    }
    .nav-link.active{
      color:#fff;
      background:var(--ink);
      box-shadow:0 10px 22px rgba(23,33,43,.16);
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      width:238px;
      padding:8px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#f9fbfe;
      color:var(--muted);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:.22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-deep));
      box-shadow:0 14px 30px rgba(37,99,235,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift)}
    .btn-secondary{
      color:var(--ink);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 10px 24px rgba(23,33,43,.06);
    }
    .btn-secondary:hover{border-color:#b9c9dc;transform:translateY(-2px)}
    .btn-quiet{
      color:var(--brand-deep);
      background:#eef4ff;
      border-color:#d8e5ff;
    }
    .btn-quiet:hover{background:#e0ebff}
    .hero{
      padding:46px 0 34px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      background:
        linear-gradient(120deg, rgba(23,33,43,.78), rgba(37,99,235,.66)),
        url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=80") center/cover;
      color:#fff;
      min-height:440px;
      box-shadow:var(--shadow);
    }
    .hero-inner{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) 420px;
      gap:28px;
      align-items:center;
      padding:54px;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      max-width:100%;
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.26);
      border-radius:999px;
      background:rgba(255,255,255,.14);
      color:rgba(255,255,255,.92);
      font-size:13px;
      font-weight:800;
      backdrop-filter:blur(14px);
    }
    h1{
      margin:18px 0 16px;
      font-size:clamp(34px, 5vw, 64px);
      line-height:1.06;
      font-weight:900;
      letter-spacing:0;
      max-width:760px;
    }
    .hero-copy{
      max-width:720px;
      color:rgba(255,255,255,.86);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-actions .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.28);
      box-shadow:none;
    }
    .launch-panel{
      align-self:stretch;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
      padding:26px;
      border:1px solid rgba(255,255,255,.24);
      border-radius:28px;
      background:rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 50px rgba(0,0,0,.16);
    }
    .count-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .count-ring{
      aspect-ratio:1;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:conic-gradient(from 20deg, #fff 0 72%, rgba(255,255,255,.18) 72% 100%);
      padding:7px;
    }
    .count-ring span{
      width:100%;
      height:100%;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(23,33,43,.76);
      text-align:center;
      font-weight:900;
      line-height:1.2;
      font-size:24px;
    }
    .count-ring small{
      display:block;
      font-size:11px;
      opacity:.72;
      font-weight:700;
    }
    .pulse-list{
      display:grid;
      gap:10px;
    }
    .pulse-item{
      display:flex;
      align-items:center;
      gap:10px;
      color:rgba(255,255,255,.88);
      font-weight:700;
      font-size:14px;
    }
    .pulse-dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--mint);
      box-shadow:0 0 0 6px rgba(16,185,129,.18);
      flex:0 0 auto;
    }
    section{
      padding:54px 0;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:24px;
    }
    .eyebrow{
      color:var(--brand-deep);
      font-size:13px;
      font-weight:900;
      letter-spacing:0;
      margin-bottom:8px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px, 3vw, 40px);
      line-height:1.18;
      font-weight:900;
      color:var(--ink);
    }
    .section-desc{
      max-width:660px;
      color:var(--muted);
      margin:10px 0 0;
      font-size:16px;
    }
    .case-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
    }
    .case-card,.data-card,.compare-card,.topic-card,.insight-card,.news-card,.faq-item,.contact-card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(255,255,255,.86);
      box-shadow:0 14px 36px rgba(23,33,43,.06);
      transition:.22s ease;
    }
    .case-card:hover,.topic-card:hover,.insight-card:hover,.news-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:#c8d6e7;
    }
    .case-main{
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:end;
      padding:30px;
      color:#fff;
      background:
        linear-gradient(180deg, rgba(23,33,43,.08), rgba(23,33,43,.78)),
        url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1200&q=80") center/cover;
      overflow:hidden;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      width:max-content;
      max-width:100%;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#eef4ff;
      color:var(--brand-deep);
      border:1px solid #d8e5ff;
      font-size:12px;
      font-weight:900;
    }
    .case-main .badge{
      background:rgba(255,255,255,.16);
      border-color:rgba(255,255,255,.26);
      color:#fff;
    }
    .case-side{
      padding:26px;
      display:grid;
      gap:14px;
    }
    .mini-proof{
      padding:16px;
      border-radius:20px;
      background:#f7f9fc;
      border:1px solid var(--line);
    }
    .mini-proof strong{display:block;font-size:17px;margin-bottom:5px}
    .mini-proof p{margin:0;color:var(--muted);font-size:14px}
    .data-band{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .data-card{
      padding:24px;
      min-height:168px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .data-card .num{
      font-size:38px;
      line-height:1;
      font-weight:900;
      color:var(--brand-deep);
    }
    .data-card p{margin:10px 0 0;color:var(--muted)}
    .compare-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .compare-card{
      padding:28px;
      overflow:hidden;
    }
    .compare-card.before{
      background:linear-gradient(180deg,#fff,#fff7ed);
    }
    .compare-card.after{
      background:linear-gradient(180deg,#fff,#eff6ff);
      border-color:#cfe0ff;
    }
    .compare-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .compare-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      list-style:none;
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(221,229,238,.78);
    }
    .check,.warn{
      width:24px;
      height:24px;
      border-radius:50%;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      font-weight:900;
      font-size:13px;
    }
    .check{background:#dcfce7;color:#047857}
    .warn{background:#ffedd5;color:#c2410c}
    .topic-strip{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .topic-card{
      padding:26px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .topic-top{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:flex-start;
    }
    .topic-count{
      display:grid;
      place-items:center;
      min-width:76px;
      height:76px;
      border-radius:22px;
      background:#f0fdf4;
      color:#047857;
      font-weight:900;
      text-align:center;
      line-height:1.2;
    }
    .topic-count small{display:block;font-size:12px;color:#059669}
    .guarantee-bar{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      padding:14px;
      border-radius:28px;
      background:var(--ink);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .guarantee-item{
      display:flex;
      align-items:center;
      gap:12px;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
    }
    .guarantee-icon{
      width:42px;
      height:42px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(16,185,129,.16);
      color:#86efac;
      flex:0 0 auto;
    }
    .insight-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:18px;
    }
    .quote-panel{
      padding:32px;
      border-radius:var(--radius);
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#0f766e);
      box-shadow:var(--shadow-lift);
    }
    .quote-panel blockquote{
      margin:0;
      font-size:24px;
      line-height:1.55;
      font-weight:900;
    }
    .quote-panel p{color:rgba(255,255,255,.82)}
    .insight-list{
      display:grid;
      gap:14px;
    }
    .insight-card{
      padding:20px;
      display:flex;
      gap:16px;
      align-items:flex-start;
    }
    .insight-no{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--brand);
      font-weight:900;
      flex:0 0 auto;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:18px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-card{
      padding:18px 20px;
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      align-items:center;
    }
    .news-date{
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .news-card h3,.topic-card h3,.case-card h3,.compare-card h3,.insight-card h3{
      margin:0;
      font-size:20px;
      line-height:1.35;
      font-weight:900;
    }
    .news-card p,.topic-card p,.case-card p,.compare-card p,.insight-card p{
      margin:8px 0 0;
      color:var(--muted);
    }
    .news-arrow{
      width:38px;
      height:38px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--brand-deep);
      background:#eef4ff;
      font-weight:900;
    }
    .recommend-panel{
      padding:24px;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 14px 36px rgba(23,33,43,.06);
      position:sticky;
      top:100px;
    }
    .recommend-item{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:14px 0;
      border-top:1px solid var(--line);
      color:var(--muted);
    }
    .recommend-item strong{color:var(--ink)}
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .faq-item{
      padding:22px;
    }
    .faq-item h3{
      margin:0 0 8px;
      font-size:18px;
      font-weight:900;
    }
    .faq-item p{margin:0;color:var(--muted)}
    .contact-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr 420px;
      gap:24px;
      padding:36px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(239,246,255,.94)),
        url("https://images.unsplash.com/photo-1551434678-e076c223a692?auto=format&fit=crop&w=1400&q=80") center/cover;
    }
    .contact-form{
      display:grid;
      gap:12px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 18px 48px rgba(23,33,43,.08);
    }
    .field{
      width:100%;
      border:1px solid var(--line);
      border-radius:16px;
      padding:13px 14px;
      color:var(--ink);
      background:#f9fbfe;
      outline:0;
      transition:.2s ease;
    }
    .field:focus{
      border-color:var(--brand);
      background:#fff;
      box-shadow:0 0 0 4px rgba(37,99,235,.10);
    }
    textarea.field{min-height:108px;resize:vertical}
    .footer{
      padding:38px 0 28px;
      background:#111827;
      color:#dbe4f0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer a{color:#dbe4f0;transition:.2s ease}
    .footer a:hover{color:#fff}
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:10px;
    }
    .footer-links{
      display:grid;
      gap:8px;
      color:#aebbc9;
      font-size:14px;
    }
    .copyright{
      margin-top:28px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      color:#9ca8b7;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .nav-pill{border-radius:28px;align-items:flex-start;flex-wrap:wrap}
      .nav-links{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}
      .nav-search{width:220px}
      .hero-inner,.contact-card{grid-template-columns:1fr}
      .launch-panel{max-width:560px}
      .data-band,.guarantee-bar{grid-template-columns:repeat(2,1fr)}
      .news-layout,.insight-grid,.case-grid{grid-template-columns:1fr}
      .recommend-panel{position:static}
    }
    @media (max-width:768px){
      .container-max{width:min(100% - 28px, 1160px)}
      section{padding:42px 0}
      .floating-header{top:8px}
      .nav-pill{padding:10px;border-radius:24px}
      .brand-mark span{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
      .nav-search{width:100%;order:2}
      .hero-stage{border-radius:28px}
      .hero-inner{padding:34px 22px}
      .hero-copy{font-size:16px}
      .section-head{display:block}
      .topic-strip,.compare-wrap,.faq-grid{grid-template-columns:1fr}
      .news-card{grid-template-columns:1fr;gap:8px}
      .news-arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .nav-link{padding:8px 11px;font-size:13px}
      .hero-actions .btn,.btn{width:100%}
      .count-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
      .count-ring span{font-size:18px}
      .data-band,.guarantee-bar{grid-template-columns:1fr}
      .case-main{min-height:300px;padding:22px}
      .contact-card{padding:22px}
      .quote-panel blockquote{font-size:20px}
    }

/* roulang page: category2 */
:root {
      --bg: #f7f8fb;
      --surface: #ffffff;
      --surface-strong: #f1f5f9;
      --ink: #111827;
      --muted: #64748b;
      --soft: #94a3b8;
      --line: rgba(15, 23, 42, 0.1);
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent: #14b8a6;
      --warning: #f59e0b;
      --danger: #ef4444;
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 20px 60px rgba(15, 23, 42, 0.12);
      --shadow-dark: 0 24px 80px rgba(2, 6, 23, 0.28);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 15% 8%, rgba(20, 184, 166, 0.12), transparent 28%),
        radial-gradient(circle at 85% 12%, rgba(37, 99, 235, 0.12), transparent 30%),
        var(--bg);
      line-height: 1.75;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    input {
      min-width: 0;
      outline: none;
    }

    :focus-visible {
      outline: 3px solid rgba(37, 99, 235, 0.28);
      outline-offset: 3px;
    }

    .container-max {
      width: min(var(--container), calc(100% - 40px));
      margin-inline: auto;
    }

    .floating-header {
      position: sticky;
      top: 18px;
      z-index: 50;
      margin-top: 18px;
    }

    .nav-pill {
      display: flex;
      align-items: center;
      gap: 18px;
      min-height: 68px;
      padding: 10px 12px 10px 14px;
      border: 1px solid rgba(148, 163, 184, .28);
      border-radius: 999px;
      background: rgba(255, 255, 255, .82);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-sm);
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
      color: #0f172a;
      font-weight: 900;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-icon {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 15px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 12px 28px rgba(37, 99, 235, .25);
      font-size: 15px;
      font-weight: 900;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1 1 auto;
      justify-content: center;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: #475569;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--primary);
      background: rgba(37, 99, 235, .08);
    }

    .nav-link.active {
      color: #fff;
      background: #0f172a;
      box-shadow: 0 10px 28px rgba(15, 23, 42, .18);
    }

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 210px;
      height: 44px;
      padding: 0 14px;
      border: 1px solid rgba(148, 163, 184, .25);
      border-radius: 999px;
      background: rgba(248, 250, 252, .92);
      color: #64748b;
      transition: border .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .nav-search:focus-within {
      border-color: rgba(37, 99, 235, .45);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .1);
    }

    .nav-search input {
      width: 100%;
      border: 0;
      background: transparent;
      color: #0f172a;
      font-size: 13px;
    }

    .section {
      padding: 76px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border: 1px solid rgba(37, 99, 235, .16);
      border-radius: 999px;
      color: #1d4ed8;
      background: rgba(37, 99, 235, .08);
      font-size: 13px;
      font-weight: 900;
    }

    .hero {
      padding: 56px 0 80px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 42px;
      align-items: center;
    }

    .hero-copy h1 {
      margin: 18px 0 18px;
      max-width: 760px;
      color: #0f172a;
      font-size: clamp(38px, 5vw, 68px);
      line-height: 1.06;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-copy p {
      max-width: 720px;
      color: #475569;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      font-size: 15px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border .2s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #0f172a);
      box-shadow: 0 16px 38px rgba(37, 99, 235, .28);
    }

    .btn-primary:hover {
      box-shadow: 0 20px 46px rgba(37, 99, 235, .36);
    }

    .btn-secondary {
      color: #0f172a;
      background: #fff;
      border: 1px solid rgba(15, 23, 42, .12);
      box-shadow: 0 12px 26px rgba(15, 23, 42, .08);
    }

    .btn-secondary:hover {
      border-color: rgba(37, 99, 235, .28);
      color: var(--primary);
    }

    .btn-ghost {
      color: #334155;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(148, 163, 184, .25);
    }

    .hero-cover {
      position: relative;
      overflow: hidden;
      min-height: 560px;
      border-radius: 34px;
      background:
        linear-gradient(145deg, rgba(15, 23, 42, .18), rgba(15, 23, 42, .72)),
        url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1200&q=80") center/cover;
      box-shadow: var(--shadow-dark);
      isolation: isolate;
    }

    .cover-top {
      position: absolute;
      inset: 24px 24px auto 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      z-index: 1;
    }

    .live-badge,
    .soft-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      color: #fff;
      background: rgba(15, 23, 42, .42);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, .18);
      font-size: 13px;
      font-weight: 900;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(20, 184, 166, .2);
    }

    .cover-panel {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 24px;
      z-index: 1;
      padding: 24px;
      border-radius: 26px;
      color: #fff;
      background: rgba(15, 23, 42, .72);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(18px);
    }

    .cover-panel h2 {
      margin: 0 0 8px;
      font-size: 28px;
      line-height: 1.25;
      font-weight: 950;
    }

    .cover-panel p {
      margin: 0;
      color: #cbd5e1;
      font-size: 14px;
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 18px 0;
    }

    .count-card {
      padding: 14px 10px;
      border-radius: 18px;
      text-align: center;
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .count-card strong {
      display: block;
      font-size: 24px;
      line-height: 1;
      font-weight: 950;
    }

    .count-card span {
      display: block;
      margin-top: 6px;
      color: #cbd5e1;
      font-size: 12px;
      font-weight: 800;
    }

    .subscribe-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      margin-top: 18px;
    }

    .subscribe-input {
      height: 48px;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 999px;
      padding: 0 16px;
      color: #fff;
      background: rgba(255, 255, 255, .08);
    }

    .subscribe-input::placeholder {
      color: #cbd5e1;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(280px, .55fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-head h2 {
      margin: 12px 0 0;
      color: #0f172a;
      font-size: clamp(28px, 3vw, 44px);
      line-height: 1.16;
      font-weight: 950;
    }

    .section-head p {
      margin: 0;
      color: #64748b;
      font-size: 16px;
    }

    .directory {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 20px;
      align-items: start;
    }

    .toc-card,
    .panel-card,
    .feature-card,
    .notice-card,
    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .86);
      box-shadow: var(--shadow-sm);
    }

    .toc-card {
      position: sticky;
      top: 108px;
      padding: 18px;
    }

    .toc-card a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 13px 14px;
      border-radius: 16px;
      color: #475569;
      font-size: 14px;
      font-weight: 850;
    }

    .toc-card a:hover,
    .toc-card a.active {
      color: #0f172a;
      background: #f1f5f9;
    }

    .toc-card a span:last-child {
      color: #94a3b8;
      font-weight: 900;
    }

    .panel-stack {
      display: grid;
      gap: 16px;
    }

    .panel-card {
      padding: 24px;
      overflow: hidden;
    }

    .panel-card h3 {
      margin: 0 0 10px;
      font-size: 24px;
      line-height: 1.25;
      font-weight: 950;
      color: #0f172a;
    }

    .panel-card p {
      margin: 0;
      color: #64748b;
    }

    .check-list {
      display: grid;
      gap: 12px;
      margin-top: 18px;
    }

    .check-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px;
      border-radius: 18px;
      background: #f8fafc;
      border: 1px solid rgba(148, 163, 184, .16);
      color: #334155;
    }

    .check-icon {
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 999px;
      color: #fff;
      background: var(--accent);
      font-weight: 950;
      font-size: 13px;
    }

    .feature-row {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .feature-card {
      padding: 22px;
      min-height: 220px;
      transition: transform .2s ease, box-shadow .2s ease, border .2s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(37, 99, 235, .22);
      box-shadow: var(--shadow-md);
    }

    .feature-card .num {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      margin-bottom: 18px;
      border-radius: 15px;
      color: #fff;
      background: #0f172a;
      font-weight: 950;
    }

    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
      font-weight: 950;
      color: #0f172a;
    }

    .feature-card p {
      margin: 0;
      color: #64748b;
      font-size: 14px;
    }

    .selected-layout {
      display: grid;
      grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
      gap: 22px;
      align-items: stretch;
    }

    .image-story {
      overflow: hidden;
      border-radius: 30px;
      min-height: 460px;
      background:
        linear-gradient(180deg, rgba(15, 23, 42, .04), rgba(15, 23, 42, .74)),
        url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1200&q=80") center/cover;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .image-caption {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      padding: 20px;
      border-radius: 22px;
      color: #fff;
      background: rgba(15, 23, 42, .62);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(14px);
    }

    .image-caption strong {
      display: block;
      font-size: 22px;
      line-height: 1.3;
      font-weight: 950;
    }

    .image-caption span {
      display: block;
      margin-top: 8px;
      color: #dbeafe;
      font-size: 14px;
    }

    .related-strip {
      display: grid;
      gap: 12px;
    }

    .notice-card {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 18px;
    }

    .notice-card:hover {
      transform: translateX(3px);
      box-shadow: var(--shadow-md);
    }

    .notice-icon {
      display: grid;
      place-items: center;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      background: rgba(37, 99, 235, .1);
      color: var(--primary);
      font-weight: 950;
    }

    .notice-card h3 {
      margin: 0;
      font-size: 17px;
      font-weight: 950;
      color: #0f172a;
    }

    .notice-card p {
      margin: 4px 0 0;
      color: #64748b;
      font-size: 14px;
    }

    .notice-card .arrow {
      color: #94a3b8;
      font-size: 20px;
      font-weight: 900;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 24px;
      align-items: start;
    }

    .faq-intro {
      padding: 28px;
      border-radius: var(--radius-lg);
      color: #fff;
      background: #0f172a;
      box-shadow: var(--shadow-dark);
    }

    .faq-intro h2 {
      margin: 12px 0;
      font-size: 34px;
      line-height: 1.16;
      font-weight: 950;
    }

    .faq-intro p {
      color: #cbd5e1;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      padding: 22px;
    }

    .faq-item h3 {
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 950;
      color: #0f172a;
    }

    .faq-item p {
      margin: 0;
      color: #64748b;
      font-size: 15px;
    }

    .cta-band {
      overflow: hidden;
      border-radius: 34px;
      padding: 38px;
      color: #fff;
      background:
        linear-gradient(135deg, #0f172a 0%, #1e293b 58%, #0f766e 100%);
      box-shadow: var(--shadow-dark);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .cta-band h2 {
      margin: 0 0 10px;
      font-size: clamp(28px, 3vw, 42px);
      line-height: 1.16;
      font-weight: 950;
    }

    .cta-band p {
      margin: 0;
      max-width: 720px;
      color: #cbd5e1;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .footer {
      padding: 58px 0 28px;
      color: #e2e8f0;
      background: #0f172a;
    }

    .footer .brand-mark {
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) .45fr .65fr;
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-title {
      color: #fff;
      font-weight: 950;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      margin-top: 14px;
      color: #cbd5e1;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(2px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-top: 24px;
      color: #94a3b8;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .container-max {
        width: min(100% - 32px, var(--container));
      }

      .nav-pill {
        align-items: stretch;
        border-radius: 28px;
        flex-wrap: wrap;
      }

      .brand-mark {
        flex: 1 1 auto;
      }

      .nav-links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .nav-search {
        width: 230px;
      }

      .hero-grid,
      .directory,
      .selected-layout,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .toc-card {
        position: static;
      }

      .feature-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .section-head {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .cta-grid {
        grid-template-columns: 1fr;
      }

      .cta-actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 768px) {
      .floating-header {
        top: 10px;
        margin-top: 10px;
      }

      .nav-pill {
        padding: 10px;
        gap: 10px;
      }

      .brand-icon {
        width: 38px;
        height: 38px;
      }

      .nav-search {
        order: 2;
        width: 100%;
      }

      .hero {
        padding-top: 34px;
      }

      .hero-cover {
        min-height: 500px;
        border-radius: 26px;
      }

      .cover-top {
        inset: 16px 16px auto 16px;
      }

      .cover-panel {
        left: 16px;
        right: 16px;
        bottom: 16px;
        padding: 18px;
      }

      .cover-panel h2 {
        font-size: 23px;
      }

      .subscribe-row {
        grid-template-columns: 1fr;
      }

      .feature-row {
        grid-template-columns: 1fr;
      }

      .notice-card {
        grid-template-columns: auto 1fr;
      }

      .notice-card .arrow {
        display: none;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .container-max {
        width: min(100% - 24px, var(--container));
      }

      .section {
        padding: 54px 0;
      }

      .hero-copy h1 {
        font-size: 36px;
      }

      .hero-copy p {
        font-size: 16px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .countdown {
        grid-template-columns: repeat(2, 1fr);
      }

      .toc-card,
      .panel-card,
      .faq-item,
      .faq-intro,
      .cta-band {
        border-radius: 22px;
      }

      .cta-band {
        padding: 26px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #f7f3ee;
      --surface: #ffffff;
      --surface-soft: #fff8f0;
      --ink: #17202a;
      --muted: #64748b;
      --subtle: #94a3b8;
      --line: rgba(23, 32, 42, 0.12);
      --primary: #b91c1c;
      --primary-dark: #7f1d1d;
      --accent: #0f766e;
      --accent-soft: #ccfbf1;
      --gold: #f59e0b;
      --night: #111827;
      --radius: 24px;
      --radius-sm: 14px;
      --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
      --shadow-soft: 0 14px 35px rgba(15, 23, 42, 0.08);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 18% 8%, rgba(245, 158, 11, 0.12), transparent 28%),
        linear-gradient(180deg, #fffaf4 0%, var(--bg) 42%, #f8fafc 100%);
      line-height: 1.75;
      letter-spacing: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    img {
      display: block;
      max-width: 100%;
    }

    button,
    input {
      font: inherit;
    }

    button:focus-visible,
    input:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(15, 118, 110, .25);
      outline-offset: 3px;
    }

    .container-max {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .floating-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 50;
      pointer-events: none;
    }

    .nav-pill {
      pointer-events: auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 12px;
      border: 1px solid rgba(255, 255, 255, .72);
      border-radius: 999px;
      background: rgba(255, 255, 255, .82);
      box-shadow: 0 18px 50px rgba(15, 23, 42, .14);
      backdrop-filter: blur(18px);
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 900;
      color: var(--night);
      letter-spacing: 0;
    }

    .brand-icon {
      display: inline-grid;
      place-items: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--gold));
      box-shadow: 0 10px 20px rgba(185, 28, 28, .28);
      font-size: 14px;
      font-weight: 950;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px;
      border-radius: 999px;
      background: rgba(248, 250, 252, .72);
      border: 1px solid rgba(148, 163, 184, .18);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      color: #475569;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--primary);
      background: #fff;
      box-shadow: 0 8px 22px rgba(15, 23, 42, .08);
    }

    .nav-link.active {
      color: #fff;
      background: var(--night);
      box-shadow: 0 10px 24px rgba(17, 24, 39, .22);
    }

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 190px;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .24);
      color: var(--muted);
    }

    .nav-search input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 13px;
    }

    .nav-search input::placeholder {
      color: #94a3b8;
    }

    main {
      overflow: hidden;
    }

    .hero {
      position: relative;
      padding: 138px 0 76px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.04fr) minmax(340px, .76fr);
      gap: 44px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(185, 28, 28, .18);
      border-radius: 999px;
      color: var(--primary-dark);
      background: rgba(255, 255, 255, .76);
      box-shadow: 0 12px 25px rgba(15, 23, 42, .06);
      font-size: 13px;
      font-weight: 850;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 0 6px rgba(185, 28, 28, .12);
    }

    h1 {
      margin: 22px 0 18px;
      max-width: 820px;
      font-size: clamp(42px, 6vw, 76px);
      line-height: 1.04;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-copy {
      max-width: 690px;
      color: #475569;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 900;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      box-shadow: 0 16px 34px rgba(185, 28, 28, .25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 42px rgba(185, 28, 28, .34);
    }

    .btn-ghost {
      color: var(--night);
      background: rgba(255, 255, 255, .76);
      border-color: rgba(15, 23, 42, .12);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      border-color: rgba(15, 118, 110, .3);
      box-shadow: var(--shadow-soft);
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
      color: #64748b;
      font-size: 13px;
      font-weight: 700;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .72);
      border: 1px solid rgba(148, 163, 184, .22);
    }

    .cover-panel {
      position: relative;
      min-height: 510px;
      border-radius: 36px;
      overflow: hidden;
      background:
        linear-gradient(145deg, rgba(17, 24, 39, .94), rgba(127, 29, 29, .72)),
        linear-gradient(45deg, #111827, #7f1d1d);
      box-shadow: var(--shadow);
      color: #fff;
      isolation: isolate;
    }

    .cover-panel::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: 28px;
      z-index: -1;
    }

    .cover-art {
      position: absolute;
      inset: 0;
      opacity: .46;
      background:
        linear-gradient(120deg, transparent 0 20%, rgba(255,255,255,.12) 20% 21%, transparent 21% 43%, rgba(255,255,255,.1) 43% 44%, transparent 44%),
        radial-gradient(circle at 78% 28%, rgba(245, 158, 11, .45), transparent 24%),
        radial-gradient(circle at 24% 72%, rgba(20, 184, 166, .32), transparent 28%);
    }

    .cover-content {
      position: relative;
      z-index: 1;
      height: 100%;
      min-height: 510px;
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .burst {
      align-self: flex-start;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 18px;
      color: #3b2500;
      background: #fbbf24;
      transform: rotate(-3deg);
      font-weight: 950;
      box-shadow: 0 14px 24px rgba(0, 0, 0, .22);
    }

    .cover-title {
      font-size: 34px;
      line-height: 1.14;
      font-weight: 950;
      margin: 0 0 14px;
    }

    .cover-list {
      display: grid;
      gap: 10px;
      margin-top: 20px;
    }

    .cover-list span {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, .86);
    }

    .cover-list span::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold);
    }

    .metric-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 24px;
    }

    .metric {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .16);
      backdrop-filter: blur(10px);
    }

    .metric strong {
      display: block;
      font-size: 22px;
      line-height: 1;
    }

    .metric span {
      color: rgba(255, 255, 255, .72);
      font-size: 12px;
    }

    .section {
      padding: 72px 0;
    }

    .section.alt {
      background: rgba(255, 255, 255, .5);
      border-top: 1px solid rgba(148, 163, 184, .16);
      border-bottom: 1px solid rgba(148, 163, 184, .16);
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 950;
      font-size: 13px;
      margin-bottom: 10px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-text {
      margin-top: 14px;
      color: #64748b;
      font-size: 16px;
    }

    .catalog-wrap {
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .catalog-index {
      position: sticky;
      top: 108px;
      padding: 22px;
      border-radius: var(--radius);
      background: var(--night);
      color: #fff;
      box-shadow: var(--shadow-soft);
    }

    .catalog-index h2 {
      margin: 0 0 16px;
      font-size: 20px;
      font-weight: 950;
    }

    .index-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 13px 0;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .8);
      font-weight: 750;
    }

    .index-link:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .catalog-cards {
      display: grid;
      gap: 18px;
    }

    .feature-card {
      display: grid;
      grid-template-columns: 96px minmax(0, 1fr);
      gap: 20px;
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .86);
      border: 1px solid rgba(148, 163, 184, .18);
      box-shadow: 0 12px 34px rgba(15, 23, 42, .06);
    }

    .feature-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-soft);
      border-color: rgba(15, 118, 110, .28);
    }

    .card-number {
      display: grid;
      place-items: center;
      width: 96px;
      height: 96px;
      border-radius: 26px;
      color: #fff;
      background: linear-gradient(145deg, var(--accent), var(--night));
      font-size: 26px;
      font-weight: 950;
    }

    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 22px;
      font-weight: 950;
    }

    .feature-card p {
      margin: 0;
      color: var(--muted);
    }

    .pill-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .pill {
      padding: 7px 10px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: #115e59;
      font-size: 12px;
      font-weight: 900;
    }

    .showcase {
      display: grid;
      grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
      gap: 28px;
      align-items: stretch;
    }

    .story-panel {
      padding: 30px;
      border-radius: 30px;
      color: #fff;
      background:
        linear-gradient(160deg, rgba(17, 24, 39, .96), rgba(15, 118, 110, .82)),
        #111827;
      box-shadow: var(--shadow-soft);
    }

    .story-panel h2 {
      margin: 0 0 14px;
      font-size: 34px;
      line-height: 1.18;
      font-weight: 950;
    }

    .story-panel p {
      color: rgba(255, 255, 255, .78);
      margin: 0;
    }

    .checklist {
      margin-top: 26px;
      display: grid;
      gap: 14px;
    }

    .check-item {
      display: flex;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .check-item b {
      display: grid;
      place-items: center;
      flex: 0 0 26px;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: #fbbf24;
      color: #3b2500;
      font-size: 13px;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .entry-card {
      min-height: 180px;
      padding: 24px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid rgba(148, 163, 184, .18);
      box-shadow: 0 10px 30px rgba(15, 23, 42, .06);
    }

    .entry-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-soft);
    }

    .entry-icon {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      margin-bottom: 16px;
      border-radius: 15px;
      color: var(--primary-dark);
      background: #fee2e2;
      font-weight: 950;
    }

    .entry-card h3 {
      margin: 0 0 8px;
      font-size: 19px;
      font-weight: 950;
    }

    .entry-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .recommend-strip {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: stretch;
    }

    .recommend-main,
    .recommend-side {
      border-radius: 30px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .18);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .recommend-main {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
    }

    .image-block {
      min-height: 330px;
      background:
        linear-gradient(135deg, rgba(185, 28, 28, .78), rgba(15, 118, 110, .66)),
        repeating-linear-gradient(135deg, #111827 0 14px, #1f2937 14px 28px);
      position: relative;
    }

    .image-block::after {
      content: "18+";
      position: absolute;
      top: 24px;
      right: 24px;
      display: grid;
      place-items: center;
      width: 68px;
      height: 68px;
      border-radius: 50%;
      background: #fff;
      color: var(--primary-dark);
      font-weight: 950;
      box-shadow: 0 16px 28px rgba(0,0,0,.18);
    }

    .recommend-body {
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .recommend-body h2,
    .recommend-side h2 {
      margin: 0 0 12px;
      font-size: 30px;
      line-height: 1.2;
      font-weight: 950;
    }

    .recommend-body p,
    .recommend-side p {
      color: var(--muted);
      margin: 0;
    }

    .recommend-side {
      padding: 30px;
      background: var(--surface-soft);
    }

    .mini-links {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .mini-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 16px;
      border-radius: 16px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .18);
      font-weight: 900;
    }

    .mini-link:hover {
      color: var(--primary);
      transform: translateX(3px);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 30px;
      align-items: start;
    }

    .faq-card {
      padding: 28px;
      border-radius: 30px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .18);
      box-shadow: var(--shadow-soft);
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    details {
      border-radius: 20px;
      background: #fff;
      border: 1px solid rgba(148, 163, 184, .2);
      box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
      overflow: hidden;
    }

    summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 950;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      display: grid;
      place-items: center;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #f1f5f9;
      color: var(--primary);
      flex: 0 0 auto;
    }

    details[open] summary::after {
      content: "−";
      background: #fee2e2;
    }

    details p {
      margin: 0;
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .cta {
      padding: 76px 0 88px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 42px;
      border-radius: 34px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(127, 29, 29, .96), rgba(17, 24, 39, .95)),
        #111827;
      box-shadow: var(--shadow);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -90px;
      top: -70px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      border: 42px solid rgba(245, 158, 11, .2);
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 30px;
      align-items: center;
    }

    .cta h2 {
      margin: 0 0 12px;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.14;
      font-weight: 950;
    }

    .cta p {
      margin: 0;
      max-width: 720px;
      color: rgba(255, 255, 255, .76);
    }

    .footer {
      padding: 54px 0 28px;
      color: #cbd5e1;
      background: #0f172a;
    }

    .footer .brand-mark {
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .7fr .9fr;
      gap: 34px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-title {
      color: #fff;
      font-weight: 950;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      margin-top: 14px;
      color: #cbd5e1;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      color: #94a3b8;
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .showcase,
      .recommend-strip,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .cover-panel {
        min-height: 430px;
      }

      .cover-content {
        min-height: 430px;
      }

      .catalog-wrap {
        grid-template-columns: 1fr;
      }

      .catalog-index {
        position: relative;
        top: auto;
      }

      .recommend-main {
        grid-template-columns: 1fr;
      }

      .image-block {
        min-height: 240px;
      }

      .nav-search {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .container-max {
        width: min(100% - 28px, var(--container));
      }

      .floating-header {
        top: 10px;
      }

      .nav-pill {
        border-radius: 26px;
        flex-wrap: wrap;
        justify-content: center;
        padding: 10px;
      }

      .brand-mark {
        width: 100%;
        justify-content: center;
      }

      .nav-links {
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        scrollbar-width: none;
      }

      .nav-links::-webkit-scrollbar {
        display: none;
      }

      .nav-link {
        flex: 0 0 auto;
      }

      .hero {
        padding-top: 156px;
      }

      h1 {
        font-size: 42px;
      }

      .hero-copy {
        font-size: 16px;
      }

      .metric-row,
      .entry-grid,
      .footer-grid,
      .cta-inner {
        grid-template-columns: 1fr;
      }

      .feature-card {
        grid-template-columns: 1fr;
      }

      .card-number {
        width: 74px;
        height: 74px;
        border-radius: 22px;
      }

      .cta-panel {
        padding: 30px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .cover-content,
      .story-panel,
      .recommend-body,
      .recommend-side,
      .faq-card {
        padding: 22px;
      }

      .cover-title {
        font-size: 28px;
      }

      .section {
        padding: 54px 0;
      }

      .feature-card,
      .entry-card {
        padding: 18px;
      }
    }