:root{
      --bg:#f5f8ff;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#10213a;
      --muted:#5d6b82;
      --line:#d9e3f5;
      --primary:#165dff;
      --primary2:#0b45c6;
      --accent:#0ea5e9;
      --warm:#f0f6ff;
      --shadow:0 16px 40px rgba(19,46,102,.10);
      --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,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(22,93,255,.10), transparent 25%),
        radial-gradient(circle at 85% 20%, rgba(14,165,233,.10), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, #f4f8ff 45%, #f7faff 100%);
      line-height:1.65;
    }
    a{color:var(--primary);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(150%) blur(12px);
      background:rgba(247,250,255,.78);
      border-bottom:1px solid rgba(217,227,245,.8);
    }
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;line-height:1.1}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:#20314f;padding:8px 10px;border-radius:999px}
    .nav a:hover{background:#eaf1ff;color:var(--primary)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;
      padding:12px 18px;font-weight:700;font-size:14px;cursor:pointer;
      transition:.22s ease;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),#3c7cff);color:#fff;box-shadow:0 12px 24px rgba(22,93,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px rgba(22,93,255,.28)}
    .btn-ghost{background:#fff;color:var(--primary);border-color:var(--line)}
    .btn-ghost:hover{border-color:#bed0f7;transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;cursor:pointer}
    .hero{
      position:relative;overflow:hidden;
      padding:34px 0 20px;
    }
    .hero::before,.hero::after{
      content:"";position:absolute;border-radius:999px;filter:blur(10px);pointer-events:none
    }
    .hero::before{width:260px;height:260px;background:rgba(22,93,255,.12);top:-90px;right:-70px}
    .hero::after{width:180px;height:180px;background:rgba(14,165,233,.12);bottom:40px;left:-60px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.94));
      border:1px solid rgba(217,227,245,.9);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel::after{
      content:"";position:absolute;inset:auto -30px -40px auto;width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(22,93,255,.10), transparent 70%);
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:#eaf2ff;color:var(--primary2);
      font-size:13px;font-weight:700;letter-spacing:.2px
    }
    h1{font-size:clamp(30px,4vw,52px);line-height:1.06;margin:16px 0 14px}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .chip{padding:9px 12px;border-radius:999px;background:#f4f8ff;border:1px solid var(--line);color:#274063;font-size:13px}
    .hero-side{
      display:grid;gap:16px;
      grid-template-columns:1fr;
    }
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .stat,.info-card,.feature-card,.case-card,.review-card,.article-card,.faq-item,.compare-card,.flow-step,.network-card,.price-card,.about-card,.training-card{
      background:var(--card);border:1px solid rgba(217,227,245,.95);border-radius:var(--radius-sm);box-shadow:0 8px 24px rgba(13,40,94,.06)
    }
    .stat{padding:18px}
    .stat strong{display:block;font-size:28px;line-height:1;margin-bottom:8px;color:var(--primary2)}
    .stat span{font-size:13px;color:var(--muted)}
    .hero-visual{
      background:linear-gradient(180deg,#0d2a68,#0f4db8 52%,#0f68cf);
      border-radius:28px;
      padding:20px;
      color:#fff;
      position:relative;
      overflow:hidden;
      min-height:100%;
      box-shadow:0 18px 46px rgba(13,49,111,.18)
    }
    .hero-visual .mini-title{font-size:14px;opacity:.9}
    .pulse{
      position:absolute;inset:auto -20px -20px auto;width:190px;height:190px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,255,255,.26), transparent 62%);
      animation:float 6s ease-in-out infinite;
    }
    .workflow{
      display:grid;gap:12px;margin-top:18px
    }
    .workflow-item{
      display:flex;gap:12px;align-items:flex-start;
      background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
      border-radius:18px;padding:14px
    }
    .workflow-badge{
      width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.16);
      display:grid;place-items:center;font-weight:800
    }
    .section{padding:16px 0 10px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:14px;margin:8px 0 16px}
    .section-head h2{margin:0;font-size:clamp(24px,2.6vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .section-card{padding:20px}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,#eaf2ff,#d8e7ff);color:var(--primary2);font-weight:800;margin-bottom:14px
    }
    h3{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#eff5ff;border:1px solid var(--line);font-size:13px;color:#284161}
    .process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .flow-step{padding:18px;position:relative}
    .flow-step .num{
      width:34px;height:34px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px
    }
    .compare-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #edf2fb;vertical-align:top;font-size:14px}
    th{background:#f5f8ff;color:#23406b;font-weight:800}
    tr:last-child td{border-bottom:none}
    .badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:#e9f7ef;color:#12734a;font-weight:700;font-size:12px}
    .badge-blue{background:#eaf2ff;color:#165dff}
    .badge-orange{background:#fff4e6;color:#b85c00}
    .two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .compare-card,.price-card,.network-card,.training-card,.about-card{padding:20px}
    .list{padding:0;margin:0;list-style:none;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#274063}
    .list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:9px;flex:0 0 auto}
    .accordion{display:grid;gap:12px}
    .faq-item summary{
      list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;gap:14px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .faq-body{padding:0 18px 16px;color:var(--muted)}
    .review-card{padding:18px}
    .review-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}
    .stars{color:#ffb400;letter-spacing:1px}
    .case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .case-card{padding:18px}
    .case-card .thumb{
      border-radius:16px;padding:16px;background:linear-gradient(135deg,#edf4ff,#f9fbff);border:1px dashed #cad8f3;margin-bottom:14px
    }
    .article-list{display:grid;gap:12px}
    .article-card{padding:16px;display:flex;justify-content:space-between;gap:14px;align-items:center}
    .form-wrap{display:grid;grid-template-columns:1fr .86fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    .field{display:grid;gap:7px}
    label{font-size:14px;font-weight:700;color:#253752}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #cfdbee;background:#fff;color:var(--text);
      font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#8cb1ff;box-shadow:0 0 0 4px rgba(22,93,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:14px;
      background:#0c224c;color:#dbe7ff;border-top:1px solid rgba(255,255,255,.08)
    }
    .footer a{color:#fff}
    .footer-inner{padding:24px 0;display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .footer h3,.footer p,.footer li{color:#dbe7ff}
    .footer .chip{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.08);color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:14px 0;color:#bfd0f5;font-size:13px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border-radius:16px;border:none;display:grid;place-items:center;
      box-shadow:0 12px 28px rgba(8,25,61,.22);cursor:pointer
    }
    .floating a{background:linear-gradient(135deg,var(--primary),#2d7bff);color:#fff}
    .floating button{background:#fff;color:var(--primary);border:1px solid var(--line)}
    .fade-in{opacity:0;transform:translateY(16px);transition:.6s ease}
    .fade-in.show{opacity:1;transform:translateY(0)}
    .mobile-only{display:none}
    .subnav{display:flex;flex-wrap:wrap;gap:10px}
    .notice{
      background:linear-gradient(135deg,#eef4ff,#ffffff);
      border:1px solid var(--line);
      padding:14px 16px;border-radius:16px;color:#284161
    }
    .table-note{font-size:13px;color:var(--muted);margin-top:10px}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap
    }
    .rating strong{font-size:34px;color:var(--primary2)}
    @keyframes float{50%{transform:translateY(-10px)}}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.form-wrap,.footer-inner{grid-template-columns:1fr}
      .process,.case-grid,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width: 760px){
      .nav{display:none}
      .menu-toggle{display:inline-grid}
      .nav.open{
        display:grid;position:absolute;left:16px;right:16px;top:68px;
        background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)
      }
      .header-inner{position:relative}
      .header-actions .btn-ghost{display:none}
      .hero{padding-top:18px}
      .hero-panel,.hero-visual{padding:20px;border-radius:22px}
      .grid-3,.process,.case-grid,.stat-grid,.grid-2{grid-template-columns:1fr}
      .mobile-only{display:block}
      table{min-width:760px}
    }