:root{
      --bg:#f7f4ff;
      --panel:#ffffff;
      --panel-2:#f2ebff;
      --text:#1f2340;
      --muted:#5d6483;
      --line:#e5dcff;
      --brand:#7b4dff;
      --brand-2:#b54cff;
      --brand-3:#5d2df5;
      --accent:#ff5fb7;
      --shadow:0 18px 50px rgba(91,56,194,.12);
      --radius:22px;
      --max:1180px;
    }
    *{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(--text);
      background:
        radial-gradient(circle at top left, rgba(123,77,255,.14), transparent 28%),
        radial-gradient(circle at top right, rgba(255,95,183,.12), transparent 22%),
        linear-gradient(180deg, #fff 0%, #faf7ff 28%, #f6f2ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    header{
      position:sticky;top:0;z-index:80;
      backdrop-filter:blur(18px);
      background:rgba(247,244,255,.78);
      border-bottom:1px solid rgba(229,220,255,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo{
      width:42px;height:42px;border-radius:12px;overflow:hidden;flex:0 0 auto;
      background:linear-gradient(135deg,#fff,#efe8ff);
      box-shadow:0 10px 24px rgba(123,77,255,.15);
      display:flex;align-items:center;justify-content:center;
    }
    .brand .meta{min-width:0}
    .brand .name{font-weight:800;font-size:18px;letter-spacing:.4px}
    .brand .sub{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:38vw}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#36405f;font-weight:600;padding:8px 0;position:relative}
    .menu a:after{
      content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:999px;
      background:linear-gradient(90deg,var(--brand),var(--accent));transition:.25s ease;
    }
    .menu a:hover:after,.menu a:focus-visible:after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 14px 26px rgba(123,77,255,.22);
    }
    .btn-ghost{
      color:var(--brand-3);background:#fff;border:1px solid var(--line);
    }
    .burger{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px}
    .burger span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:999px}
    main{padding:28px 0 0}
    section{padding:24px 0}
    .hero{
      padding:18px 0 10px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-card,.panel,.feature,.quote,.form-card,.faq-item,.review,.timeline li,.price,.case,.article,.table-card{
      background:rgba(255,255,255,.9);border:1px solid rgba(229,220,255,.95);
      box-shadow:var(--shadow);border-radius:var(--radius);
    }
    .hero-card{padding:34px 30px;overflow:hidden;position:relative}
    .hero-card:before{
      content:"";position:absolute;right:-80px;top:-60px;width:250px;height:250px;border-radius:50%;
      background:radial-gradient(circle, rgba(181,76,255,.18), transparent 66%);
      pointer-events:none;
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,#f4ecff,#fff);border:1px solid var(--line);color:var(--brand-3);font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{
      padding:14px 14px 13px;border-radius:18px;background:linear-gradient(180deg,#fff,#faf7ff);border:1px solid var(--line)
    }
    .mini b{display:block;font-size:18px;margin-bottom:4px;color:var(--brand-3)}
    .mini span{font-size:13px;color:var(--muted);line-height:1.6}
    .hero-side{display:grid;gap:14px}
    .panel{padding:20px}
    .panel h2,.section-title{margin:0 0 10px;font-size:28px;line-height:1.2}
    .section-title{font-size:30px}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head p{margin:0;color:var(--muted);max-width:60ch;line-height:1.7}
    .stat-grid,.service-grid,.case-grid,.review-grid,.article-grid,.two-col,.faq-grid,.tag-cloud,.price-grid,.network-grid,.compare-wrap{
      display:grid;gap:16px
    }
    .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .stat{padding:22px 18px}
    .stat .num{font-size:28px;font-weight:900;letter-spacing:-.02em}
    .stat .txt{margin-top:6px;color:var(--muted);line-height:1.6;font-size:14px}
    .tag-cloud{grid-template-columns:repeat(6,minmax(0,1fr))}
    .tag{padding:14px 12px;text-align:center;border-radius:16px;background:linear-gradient(180deg,#fff,#f7f2ff);border:1px solid var(--line);font-weight:700;color:#3b3f63}
    .two-col{grid-template-columns:1fr 1fr}
    .content-card{padding:24px}
    .content-card p,.content-card li{color:var(--muted);line-height:1.8}
    .content-card ul{margin:12px 0 0;padding-left:18px}
    .service-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .feature{padding:22px;position:relative;overflow:hidden}
    .feature:after{
      content:"";position:absolute;inset:auto -20px -40px auto;width:120px;height:120px;border-radius:50%;
      background:radial-gradient(circle, rgba(123,77,255,.10), transparent 70%);
    }
    .feature h3{margin:0 0 10px;font-size:20px}
    .feature p{margin:0;color:var(--muted);line-height:1.75}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{padding:22px}
    .step .index{
      width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800;margin-bottom:12px
    }
    .step h3{margin:0 0 8px}
    .step p{margin:0;color:var(--muted);line-height:1.75}
    .table-card{padding:18px;overflow:hidden}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid #ece5ff;text-align:left;font-size:14px;vertical-align:top}
    th{color:#2a3050;background:#faf7ff}
    td{color:var(--muted)}
    .scroll-x{overflow-x:auto}
    .score{
      display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px
    }
    .score .badge{
      padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,#f8efff,#fff);border:1px solid var(--line);color:var(--brand-3);font-weight:800
    }
    .case-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .case{padding:22px}
    .case h3,.review h3,.article h3{margin:0 0 10px;font-size:18px}
    .case p,.review p,.article p{margin:0;color:var(--muted);line-height:1.75}
    .price-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .price{padding:22px}
    .price strong{display:block;font-size:24px;margin:10px 0;color:var(--brand-3)}
    .price ul{margin:14px 0 0;padding-left:18px;color:var(--muted);line-height:1.8}
    .network-grid{grid-template-columns:1.05fr .95fr;align-items:start}
    .timeline{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .timeline li{padding:18px 18px 18px 20px;display:flex;gap:14px;align-items:flex-start}
    .timeline .dot{width:12px;height:12px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--brand),var(--accent));flex:0 0 auto}
    .timeline strong{display:block;margin-bottom:5px}
    .review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .review{padding:22px}
    .review .role{font-size:13px;color:var(--brand-3);font-weight:800;margin-bottom:10px}
    .article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .article{padding:22px}
    .article .meta{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);margin-bottom:10px}
    .faq-grid{grid-template-columns:1fr}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;padding:18px 20px;background:transparent;border:none;color:var(--text);font-weight:800;font-size:16px;
      display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;cursor:pointer
    }
    .faq-q span:last-child{transition:transform .25s ease}
    .faq-item.active .faq-q span:last-child{transform:rotate(45deg)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
    .faq-item.active .faq-a{max-height:220px;padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8}
    .form-card{padding:24px}
    form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#30365a}
    input,select,textarea{
      width:100%;border:1px solid #ddd4ff;background:#fff;border-radius:16px;padding:14px 14px;font:inherit;color:var(--text);
      outline:none;transition:border .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(123,77,255,.12)}
    textarea{min-height:128px;resize:vertical}
    .form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
    .note{font-size:13px;color:var(--muted);line-height:1.7}
    footer{
      margin-top:18px;padding:24px 0 32px;background:#f2ebff;border-top:1px solid #e4d8ff;color:#2a3050
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px}
    .footer-links a{color:#3a2f62;font-weight:700}
    .small{font-size:13px;color:#56607e;line-height:1.8}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:90;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
      display:flex;align-items:center;justify-content:center;cursor:pointer;font-weight:900;color:var(--brand-3)
    }
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease, transform .55s ease}
    .reveal.in{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 1080px){
      .hero-grid,.network-grid,.footer-grid,.two-col{grid-template-columns:1fr}
      .stat-grid,.service-grid,.case-grid,.review-grid,.article-grid,.price-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
      .tag-cloud{grid-template-columns:repeat(3,minmax(0,1fr))}
      .menu{display:none}
      .burger{display:inline-flex;align-items:center;justify-content:center;flex-direction:column}
      .nav.open .menu{
        display:flex;position:absolute;left:16px;right:16px;top:76px;padding:14px;background:#fff;border:1px solid var(--line);
        border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:10px
      }
      .nav.open .nav-actions{display:flex}
      .nav{position:relative}
      .hero-points{grid-template-columns:1fr}
      form{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .container{width:min(var(--max),calc(100% - 20px))}
      section{padding:18px 0}
      .hero-card,.panel,.feature,.quote,.form-card,.faq-item,.review,.timeline li,.price,.case,.article,.table-card{border-radius:20px}
      .section-head{flex-direction:column;align-items:flex-start}
      .stat-grid,.service-grid,.case-grid,.review-grid,.article-grid,.price-grid,.steps,.tag-cloud{grid-template-columns:1fr}
      .menu a{font-size:16px}
      .btn{padding:11px 15px}
      .mobile-only{display:inline-flex}
      .desktop-only{display:none}
    }