:root{
      --bg:#f7f4ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1f2340;
      --muted:#5c6485;
      --line:rgba(111,45,255,.14);
      --primary:#6f2dff;
      --primary2:#b14cff;
      --accent:#ff6ec7;
      --shadow:0 18px 40px rgba(58, 20, 143, .12);
      --radius:22px;
      --radius-sm:16px;
      --max:1200px;
    }
    *{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 15% 10%, rgba(177,76,255,.12), transparent 30%),
        radial-gradient(circle at 85% 15%, rgba(255,110,199,.10), transparent 25%),
        linear-gradient(180deg, #fbf9ff 0%, #f7f4ff 36%, #ffffff 100%);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky; top:0; z-index:60;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.76);
      border-bottom:1px solid rgba(111,45,255,.12);
    }
    .nav{
      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-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 24px rgba(111,45,255,.24);
      display:grid;place-items:center;color:#fff;font-weight:800;
      flex:0 0 auto;
    }
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.5px}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--primary);background:rgba(111,45,255,.08)}
    .hero{
      padding:28px 0 18px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.12fr .88fr; gap:22px; align-items:stretch;
    }
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.metric,.price-box,.timeline-item,.article,.review,.compare,.form-box,.intro-box,.network,.service-item{
      background:var(--card);
      border:1px solid rgba(111,45,255,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:34px}
    .kicker{
      display:inline-flex; align-items:center; gap:8px;
      background:rgba(111,45,255,.09); color:var(--primary);
      padding:8px 12px; border-radius:999px; font-size:13px; font-weight:700;
    }
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:16px;color:var(--muted);max-width:58ch;margin:0 0 20px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 26px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:13px 18px; border-radius:14px; font-weight:700; border:1px solid transparent;
      transition:.22s ease; cursor:pointer; font-size:14px;
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; box-shadow:0 14px 30px rgba(111,45,255,.26)}
    .btn-secondary{background:#fff;color:var(--text);border-color:rgba(111,45,255,.16)}
    .btn:hover{transform:translateY(-2px)}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .point{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,rgba(111,45,255,.03));border:1px solid rgba(111,45,255,.10)}
    .point strong{display:block;font-size:20px;color:var(--primary);margin-bottom:4px}
    .point span{color:var(--muted);font-size:13px}
    .hero-side{padding:20px;display:grid;gap:14px}
    .mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .mini{padding:16px;border-radius:18px;background:linear-gradient(180deg, rgba(111,45,255,.06), rgba(255,110,199,.04));border:1px solid rgba(111,45,255,.12)}
    .mini strong{display:block;font-size:22px}
    .mini span{font-size:13px;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#f7f2ff;border:1px solid rgba(111,45,255,.10);font-size:13px;color:#412b7a}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:clamp(22px,3vw,32px)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .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}
    .card{padding:20px}
    .card h3,.service-item h3,.panel h3,.compare h3{margin:0 0 10px;font-size:18px}
    .card p,.service-item p,.panel p,.intro-box p,.quote p,.review p,.article p,.timeline-item p{margin:0;color:var(--muted)}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(111,45,255,.12), rgba(255,110,199,.12));
      color:var(--primary);font-weight:800;margin-bottom:14px;
    }
    .panel{padding:22px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-item{padding:18px;position:relative}
    .timeline-item .step{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(111,45,255,.10);text-align:left;font-size:14px;vertical-align:top}
    th{background:#faf7ff;color:#322650}
    .highlight{color:var(--primary);font-weight:800}
    .compare-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
    .compare-box{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,rgba(111,45,255,.04));border:1px solid rgba(111,45,255,.10)}
    .compare-box strong{display:block;font-size:22px;margin-bottom:4px}
    .compare-box span{color:var(--muted);font-size:13px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:18px}
    .faq-q{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer}
    .faq-q h3{margin:0;font-size:16px}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;margin-top:0}
    .faq-item.open .faq-a{max-height:220px;margin-top:10px}
    .faq-a p{margin:0;color:var(--muted)}
    .reviews,.articles,.services,.network-grid,.case-grid,.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review,.article,.service-item,.network,.price-box{padding:20px}
    .stars{color:#ff9f1a;font-size:15px;letter-spacing:2px;margin-bottom:10px}
    .article .meta{font-size:12px;color:var(--muted);margin-top:12px}
    .article a{color:var(--primary);font-weight:700}
    .form-box{padding:24px}
    form{display:grid;gap:12px}
    .fields{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .input, select, textarea{
      width:100%;border:1px solid rgba(111,45,255,.16);border-radius:14px;padding:13px 14px;
      font:inherit;background:#fff;color:var(--text);outline:none;
    }
    textarea{min-height:120px;resize:vertical}
    .input:focus, select:focus, textarea:focus{border-color:rgba(111,45,255,.55);box-shadow:0 0 0 4px rgba(111,45,255,.08)}
    .side-contact{display:grid;gap:14px}
    .qr{display:flex;gap:14px;align-items:center;padding:16px;border-radius:18px;background:linear-gradient(135deg, rgba(111,45,255,.06), rgba(255,110,199,.05));border:1px dashed rgba(111,45,255,.18)}
    .qr img{width:110px;aspect-ratio:1;border-radius:16px;object-fit:cover;background:#fff}
    .footer{
      margin-top:18px;padding:22px 0 26px;border-top:1px solid rgba(111,45,255,.12);
      background:linear-gradient(180deg, rgba(255,255,255,.85), rgba(247,244,255,.95));
      color:var(--text);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;align-items:start}
    .footer a{color:var(--primary)}
    .subtle{color:var(--muted);font-size:14px}
    .float-tools{
      position:fixed;right:18px;bottom:18px;z-index:80;display:grid;gap:10px;
    }
    .float-btn{
      width:50px;height:50px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 14px 30px rgba(111,45,255,.26);
      border:none;cursor:pointer;font-size:18px
    }
    .mobile-menu{display:none}
    .hidden{display:none}
    .marquee{
      display:flex; gap:10px; flex-wrap:wrap; margin-top:14px
    }
    .badge{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(111,45,255,.10);font-size:13px;color:#4b357e
    }
    .service-item ul,.card ul{margin:10px 0 0;padding-left:18px;color:var(--muted)}
    .service-item li,.card li{margin:6px 0}
    .pair{
      display:flex;justify-content:space-between;gap:12px;align-items:flex-start
    }
    .rating{
      padding:12px 14px;border-radius:18px;background:linear-gradient(135deg, rgba(111,45,255,.08), rgba(255,110,199,.08));text-align:center;min-width:140px
    }
    .rating strong{display:block;font-size:22px;color:var(--primary)}
    .rating span{font-size:12px;color:var(--muted)}
    .image-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .image-strip img{border-radius:18px;aspect-ratio:1.2/1;object-fit:cover;border:1px solid rgba(111,45,255,.12)}
    @media (max-width: 960px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.articles,.services,.network-grid,.case-grid,.price-grid,.footer-grid,.timeline,.image-strip{grid-template-columns:repeat(2,1fr)}
      .hero-points{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
    }
    @media (max-width: 720px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none; width:100%; padding:12px 0 0; justify-content:flex-start;
      }
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
      .nav{flex-wrap:wrap}
      .hero-grid,.grid-4,.grid-3,.grid-2,.reviews,.articles,.services,.network-grid,.case-grid,.price-grid,.footer-grid,.timeline,.image-strip,.fields,.mini-stats{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .compare-meta{grid-template-columns:1fr}
      .pair{flex-direction:column}
      .mobile-menu{display:block}
      .qr{align-items:flex-start;flex-direction:column}
    }
    .reveal{opacity:0; transform:translateY(18px); transition:opacity .5s ease, transform .5s ease}
    .reveal.in{opacity:1; transform:none}