:root{
      --bg:#f7f8fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#162033;
      --muted:#5f6b82;
      --line:#dbe2ef;
      --brand:#5b3df5;
      --brand2:#ff4d7d;
      --brand3:#10b981;
      --accent:#ffb703;
      --shadow:0 18px 50px rgba(27,39,72,.10);
      --shadow2:0 10px 30px rgba(91,61,245,.16);
      --radius:22px;
      --container: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(1000px 600px at 12% 0%, rgba(91,61,245,.10), transparent 60%),
        radial-gradient(900px 560px at 90% 12%, rgba(255,77,125,.10), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 48%, #f6f7fb 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    header{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(219,226,239,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo{
      width:40px;height:40px;border-radius:12px;overflow:hidden;flex:0 0 auto;
      box-shadow:0 10px 24px rgba(91,61,245,.12);
      background:#fff;
    }
    .brand .text{min-width:0}
    .brand h1{margin:0;font-size:18px;line-height:1.1;font-weight:800;letter-spacing:.2px}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .nav-links{
      display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end
    }
    .nav-links a{
      color:var(--text);font-size:14px;font-weight:600;padding:8px 10px;border-radius:999px;
      transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:rgba(91,61,245,.08);color:var(--brand)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:14px;border:1px solid transparent;
      font-weight:700;font-size:14px;transition:.22s ease;cursor:pointer;
      box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#7c5cff);color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,61,245,.24)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-light:hover{border-color:rgba(91,61,245,.35);color:var(--brand)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
      align-items:center;justify-content:center;cursor:pointer;
    }
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;content:"";
    }
    .menu-toggle span::before{position:absolute;top:-6px}
    .menu-toggle span::after{position:absolute;top:6px}
    .hero{padding:34px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.review,.article,.step,.compare,.timeline-item,.form-wrap,.contact-box,.pricing,.tag-cloud,.network,.table-wrap{
      background:rgba(255,255,255,.88);border:1px solid rgba(219,226,239,.88);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{
      content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none
    }
    .hero-main::before{width:190px;height:190px;background:rgba(91,61,245,.10);right:-50px;top:-40px}
    .hero-main::after{width:220px;height:220px;background:rgba(255,77,125,.10);left:-60px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(16,185,129,.10);color:#0f8d60;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    .hero h2{margin:18px 0 12px;font-size:clamp(34px,6vw,54px);line-height:1.06;letter-spacing:-.6px}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:60ch}
    .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}
    .point{
      padding:14px 14px 13px;border-radius:18px;background:linear-gradient(180deg, rgba(91,61,245,.06), rgba(255,255,255,.92));
      border:1px solid rgba(91,61,245,.10)
    }
    .point strong{display:block;font-size:18px;color:var(--brand);margin-bottom:4px}
    .point span{color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{padding:18px;display:grid;gap:14px}
    .side-top{
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(91,61,245,.10), rgba(255,77,125,.08));
      border:1px solid rgba(91,61,245,.10)
    }
    .side-top h3{margin:0 0 8px;font-size:18px}
    .side-top ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.8;font-size:14px}
    .side-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .metric{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .metric strong{display:block;font-size:22px;color:var(--text)}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.45}
    .section{padding:18px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title h3{margin:0;font-size:26px;line-height:1.15}
    .section-title p{margin:0;color:var(--muted);font-size:14px;line-height:1.7;max-width:62ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h4,.review h4,.article h4,.faq-item button{margin:0 0 10px;font-size:18px}
    .card p,.review p,.article p,.compare p,.panel p,.pricing p,.network p,.timeline-item p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg, rgba(91,61,245,.12), rgba(255,77,125,.12));color:var(--brand);font-weight:800
    }
    .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .chip{padding:8px 11px;border-radius:999px;background:#f3f5ff;border:1px solid #e2e7ff;color:#35415c;font-size:13px;font-weight:600}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:16px 18px}
    .timeline-item strong{display:block;margin-bottom:6px;font-size:16px}
    .compare-wrap{overflow-x:auto;border-radius:22px}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:14px 14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:14px}
    th{background:#f7f8ff;color:#24304a}
    td{color:var(--muted)}
    .good{color:#0f8d60;font-weight:700}
    .bad{color:#c2410c;font-weight:700}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(255,183,3,.12), rgba(91,61,245,.08));
      border:1px solid rgba(255,183,3,.22)
    }
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .table-wrap,.panel,.form-wrap,.contact-box,.pricing,.network{padding:18px}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-item button{
      width:100%;padding:18px 18px 16px;background:none;border:0;color:var(--text);text-align:left;cursor:pointer;
      display:flex;align-items:center;justify-content:space-between;gap:14px;font-weight:700
    }
    .faq-item .answer{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item .answer p{padding-bottom:16px}
    .faq-item.open .answer{max-height:220px}
    .faq-item .plus{width:28px;height:28px;border-radius:999px;background:#eef2ff;display:grid;place-items:center;color:var(--brand);flex:0 0 auto}
    .review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{padding:18px}
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .review .role{color:var(--brand);font-weight:700;font-size:13px}
    .article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .article{padding:18px}
    .article .date{display:inline-flex;padding:6px 10px;border-radius:999px;background:#f3f5ff;color:#46557d;font-size:12px;font-weight:700;margin-bottom:12px}
    .tag-cloud,.pricing,.network{padding:18px}
    .footer-links,.social{
      display:flex;flex-wrap:wrap;gap:10px
    }
    .footer-links a,.social a{
      padding:8px 11px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#30405f;font-size:13px;font-weight:600
    }
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .field{display:grid;gap:8px}
    .field label{font-size:13px;color:#30405f;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);
      padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(91,61,245,.5);box-shadow:0 0 0 4px rgba(91,61,245,.10)}
    .full{grid-column:1/-1}
    footer{
      margin-top:12px;background:#0f172a;color:#d8e1f3;padding:24px 0 18px;border-top:1px solid rgba(255,255,255,.08)
    }
    footer a{color:#ffffff}
    footer .muted{color:#b7c2d8}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    .footer-brand{display:flex;align-items:center;gap:12px}
    .footer-brand .logo{width:42px;height:42px;border-radius:12px;overflow:hidden;background:#fff}
    .footer-copy{margin-top:14px;color:#b7c2d8;font-size:14px;line-height:1.8}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand2),#ff8a4c);color:#fff;box-shadow:0 16px 30px rgba(255,77,125,.26)
    }
    .float-btn.secondary{background:linear-gradient(135deg,var(--brand),#7c5cff)}
    .fade-up{opacity:0;transform:translateY(16px);transition:.55s ease}
    .fade-up.show{opacity:1;transform:none}
    .service-network{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .net{padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .net strong{display:block;margin-bottom:6px}
    .mini-note{font-size:12px;color:var(--muted);line-height:1.6}
    @media (max-width: 1080px){
      .hero-grid,.split,.footer-top{grid-template-columns:1fr}
      .grid-4,.service-network{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width: 860px){
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .menu-toggle{display:inline-flex}
      .hero-points,.grid-3,.review-grid,.article-list,.grid-4,.form-grid{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:start}
      .nav{position:relative}
    }