:root{
      --bg:#f7f4ef;
      --panel:#fffdf9;
      --panel-2:#f1efe8;
      --text:#1f2937;
      --muted:#667085;
      --line:#e7dfd3;
      --brand:#5b63ff;
      --brand-2:#8b5cf6;
      --brand-3:#22c1c3;
      --gold:#d6a54b;
      --shadow:0 18px 45px rgba(56, 66, 88, .10);
      --shadow-soft:0 10px 24px rgba(56, 66, 88, .08);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(139,92,246,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(34,193,195,.10), transparent 24%),
        linear-gradient(180deg, #faf8f3 0%, #f6f2eb 36%, #f9f7f2 100%);
      min-height:100vh;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(calc(100% - 32px), var(--container));
      margin:0 auto;
    }
    .skip{position:absolute;left:-9999px;top:auto}
    .skip:focus{left:16px;top:16px;background:#fff;padding:10px 14px;border-radius:10px;z-index:1000}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(16px);
      background:rgba(248,245,239,.82);
      border-bottom:1px solid rgba(231,223,211,.85);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;padding:12px 0;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
    }
    .brand .ai-page-logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:5px;box-shadow:var(--shadow-soft)}
    .brand h2{margin:0;font-size:18px;line-height:1.1}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .nav-toggle{
      display:none;border:1px solid var(--line);background:#fff;border-radius:12px;
      width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-soft)
    }
    .nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
    nav ul{
      display:flex;flex-wrap:wrap;gap:8px 10px;list-style:none;margin:0;padding:0;align-items:center;justify-content:flex-end
    }
    nav a{
      display:inline-flex;align-items:center;justify-content:center;
      padding:9px 12px;border:1px solid transparent;border-radius:999px;
      color:#2a3442;font-size:14px;transition:.2s ease;
    }
    nav a:hover,nav a:focus-visible{background:#fff;border-color:var(--line);box-shadow:var(--shadow-soft);transform:translateY(-1px)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:999px;padding:13px 18px;font-weight:700;
      border:1px solid transparent;cursor:pointer;transition:.22s ease;
      box-shadow:var(--shadow-soft);
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(91,99,255,.22)}
    .btn-ghost{
      background:#fff;color:var(--text);border-color:var(--line)
    }
    .hero{
      position:relative;overflow:hidden;padding:34px 0 18px;
    }
    .hero::before,.hero::after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none;
    }
    .hero::before{width:340px;height:340px;background:radial-gradient(circle, rgba(139,92,246,.18), transparent 68%);right:-100px;top:20px}
    .hero::after{width:280px;height:280px;background:radial-gradient(circle, rgba(34,193,195,.16), transparent 68%);left:-90px;bottom:-60px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch
    }
    .hero-card,.panel,.info-card,.service-card,.step-card,.review-card,.case-card,.article-card,.faq-item,.compare-card,.timeline-card,.price-card,.form-card,.token-card,.tag-cloud,.network-card{
      background:rgba(255,253,249,.92);
      border:1px solid rgba(231,223,211,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:30px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#5a49a5;
      background:linear-gradient(90deg, rgba(91,99,255,.10), rgba(34,193,195,.10));
      border:1px solid rgba(91,99,255,.12);
      padding:8px 12px;border-radius:999px
    }
    h1{
      margin:16px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.03em
    }
    .lead{margin:0;color:#3f495a;font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .metric{
      padding:16px;border-radius:18px;background:linear-gradient(180deg,#ffffff,#faf7f1);
      border:1px solid var(--line);min-height:98px
    }
    .metric strong{display:block;font-size:24px;line-height:1.1}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{display:grid;gap:14px}
    .side-top{padding:24px}
    .side-top h2,.section-title h2{margin:0;font-size:26px;line-height:1.18}
    .side-top p,.section-desc{margin:10px 0 0;color:var(--muted);line-height:1.75}
    .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .tag{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#324153
    }
    .support-box{padding:18px 22px;display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center}
    .support-box img{width:96px;height:96px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .support-box h3{margin:0 0 8px;font-size:18px}
    .support-box p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    main{padding:10px 0 0}
    section{padding:18px 0}
    .section-header{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px
    }
    .section-title p{margin:10px 0 0;color:var(--muted);line-height:1.75}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .info-card,.service-card,.case-card,.article-card,.compare-card,.faq-item,.review-card,.step-card,.timeline-card,.token-card,.price-card,.network-card,.form-card{padding:20px}
    .info-card h3,.service-card h3,.case-card h3,.article-card h3,.compare-card h3,.step-card h3,.review-card h3,.token-card h3,.price-card h3,.network-card h3{margin:0 0 8px;font-size:18px}
    .info-card p,.service-card p,.case-card p,.article-card p,.compare-card p,.step-card p,.review-card p,.token-card p,.price-card p,.network-card p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .kpi-list,.bullet-list{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}
    .kpi-list li,.bullet-list li{display:flex;gap:10px;align-items:flex-start;color:#344054;font-size:14px;line-height:1.65}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--brand),var(--brand-3));flex:0 0 auto}
    .services .service-card{
      background:
        linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,246,240,.96)),
        linear-gradient(135deg, rgba(91,99,255,.08), rgba(34,193,195,.06));
      transition:.22s ease;
    }
    .services .service-card:hover,.case-card:hover,.article-card:hover,.review-card:hover,.step-card:hover,.token-card:hover,.price-card:hover,.network-card:hover,.info-card:hover,.compare-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(56,66,88,.12)}
    .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chip{font-size:12px;padding:6px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#415063}
    .flow{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px
    }
    .step-card{position:relative}
    .step-card .num{
      display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:700;margin-bottom:12px
    }
    .compare-table{
      width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:18px;border:1px solid var(--line);background:#fff
    }
    .compare-wrap{overflow-x:auto}
    .compare-table th,.compare-table td{
      padding:14px 12px;border-bottom:1px solid #ece5db;border-right:1px solid #ece5db;text-align:left;font-size:14px;vertical-align:top
    }
    .compare-table th{background:#f6f2ea;color:#263244;white-space:nowrap}
    .compare-table tr:last-child td{border-bottom:none}
    .compare-table td:last-child,.compare-table th:last-child{border-right:none}
    .badge{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700
    }
    .badge-success{background:rgba(34,197,94,.12);color:#166534}
    .badge-brand{background:rgba(91,99,255,.12);color:#3f45c1}
    .rating{
      display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px
    }
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
    .accent-box{
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(91,99,255,.09), rgba(34,193,195,.10));
      border:1px solid rgba(91,99,255,.15)
    }
    .token-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
    .token-item{padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .token-item strong{display:block;font-size:16px}
    .token-item span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.6}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .timeline-card .line{height:3px;width:64px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-3));margin:0 0 14px}
    .media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .media-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
    .article-list,.review-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-top:14px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item summary{
      list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;font-weight:700;color:#263244
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";font-size:22px;color:var(--brand)}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{margin:12px 0 0;color:var(--muted);line-height:1.75}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:14px}
    form{display:grid;gap:12px}
    label{display:grid;gap:7px;font-size:14px;color:#314054;font-weight:600}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(91,99,255,.55);box-shadow:0 0 0 4px rgba(91,99,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:14px;padding:24px 0 28px;border-top:1px solid rgba(231,223,211,.9);background:#f4efe7;color:#1e293b
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer a{color:#25364d}
    .footer small{color:#566173}
    .link-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .link-cloud a,.home-link{
      display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)
    }
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow);cursor:pointer
    }
    .floating a:hover,.floating button:hover{transform:translateY(-2px)}
    .service-network{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px
    }
    .service-network .network-card strong{display:block;font-size:20px;margin-bottom:6px}
    .muted{color:var(--muted)}
    .subtle{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,243,236,.98));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .section-band{padding:22px}
    .callout{
      display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:20px 22px
    }
    .callout h3{margin:0 0 6px;font-size:20px}
    .callout p{margin:0;color:var(--muted)}
    .table-note{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.6}
    .articles-two{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}
    .list-link{display:grid;gap:10px;margin-top:14px}
    .list-link a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);color:#334155}
    .pulse{
      display:inline-block;width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.35);animation:pulse 1.8s infinite
    }
    @keyframes pulse{70%{box-shadow:0 0 0 14px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.show{opacity:1;transform:translateY(0)}
    .mobile-menu{display:none}
    @media (max-width: 1080px){
      .hero-grid,.grid-4,.flow,.timeline,.grid-3,.article-list,.review-list,.service-network,.articles-two,.form-grid,.footer-grid{grid-template-columns:1fr}
      .grid-2,.faq-grid,.media-grid,.token-list{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .section-header{flex-direction:column;align-items:flex-start}
      nav ul{justify-content:flex-start}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      nav{display:none}
      nav.open{display:block;width:100%}
      .nav{flex-wrap:wrap}
      nav ul{flex-direction:column;align-items:stretch;width:100%;padding:8px 0 14px}
      nav a{justify-content:flex-start;width:100%}
      .hero-card,.support-box,.info-card,.service-card,.case-card,.article-card,.compare-card,.faq-item,.review-card,.step-card,.timeline-card,.token-card,.price-card,.network-card,.form-card{padding:18px}
      .hero{padding-top:18px}
      .hero-card{padding:22px}
      .support-box{grid-template-columns:1fr}
      .support-box img{width:100%;height:auto;aspect-ratio:1.5/1}
      .token-list,.faq-grid,.grid-2,.media-grid{grid-template-columns:1fr}
      .compare-table th,.compare-table td{min-width:150px}
      .floating{right:12px;bottom:12px}
    }