:root{
      --bg:#fbf8ff;
      --panel:#ffffff;
      --panel2:#f5efff;
      --ink:#1f2430;
      --muted:#5d6679;
      --line:#e8ddff;
      --brand:#7a2cff;
      --brand2:#a24bff;
      --brand3:#ff4fd8;
      --shadow:0 18px 40px rgba(92,48,170,.12);
      --radius:22px;
      --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(--ink);
      background:
        radial-gradient(circle at top left, rgba(162,75,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(255,79,216,.10), transparent 30%),
        linear-gradient(180deg, #fff 0%, var(--bg) 42%, #fff 100%);
    }
    a{color:var(--brand);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:60;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(251,248,255,.82);
      border-bottom:1px solid rgba(232,221,255,.8);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:18px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px; height:42px; border-radius:12px; object-fit:contain; background:#fff; box-shadow:0 8px 20px rgba(122,44,255,.12)}
    .brand strong{display:block; font-size:16px; line-height:1.2}
    .brand span{display:block; font-size:12px; color:var(--muted)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .nav-links{display:flex; align-items:center; gap:10px; flex-wrap:wrap}
    .nav-links a,.nav-actions a,.btn,.mini-btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:10px 14px; border-radius:999px; border:1px solid transparent;
      font-weight:600; transition:.25s ease; cursor:pointer;
    }
    .nav-links a{color:var(--ink); background:transparent}
    .nav-links a:hover,.nav-links a:focus,.nav-actions a:hover,.btn:hover,.mini-btn:hover{transform:translateY(-1px)}
    .btn-primary{
      background:linear-gradient(135deg, var(--brand) 0%, var(--brand2) 55%, var(--brand3) 100%);
      color:#fff; box-shadow:0 10px 24px rgba(122,44,255,.22);
    }
    .btn-ghost{background:#fff; border-color:var(--line); color:var(--ink)}
    .menu-toggle{
      display:none; width:44px; height:44px; border-radius:14px; border:1px solid var(--line); background:#fff;
      align-items:center; justify-content:center;
    }
    .menu-toggle span{width:18px; height:2px; background:var(--ink); position:relative; display:block}
    .menu-toggle span::before,.menu-toggle span::after{
      content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink);
    }
    .menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
    .hero{
      padding:34px 0 18px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:22px; align-items:stretch;
    }
    .hero-main,.hero-side,.section-card,.service-card,.metric,.review,.faq-item,.article-card,.price-card,.timeline-item,.compare-box,.form-card,.contact-card,.network-card,.case-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(232,221,255,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:32px; position:relative; overflow:hidden}
    .hero-main::before{
      content:""; position:absolute; inset:auto -60px -80px auto; width:220px; height:220px; border-radius:50%;
      background:radial-gradient(circle, rgba(162,75,255,.22), transparent 64%);
      pointer-events:none;
    }
    .eyebrow{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; background:#f3ecff; color:#6624dd; border-radius:999px; font-size:13px; font-weight:700}
    h1{margin:18px 0 12px; font-size:clamp(30px,4.2vw,54px); line-height:1.08; letter-spacing:-.03em}
    .lead{margin:0; color:var(--muted); font-size:16px; line-height:1.8; max-width:64ch}
    .hero-points{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin:22px 0}
    .hero-point{
      padding:14px; border-radius:18px; background:linear-gradient(180deg,#fff,#faf5ff); border:1px solid #eddfff;
    }
    .hero-point strong{display:block; font-size:18px}
    .hero-point span{display:block; color:var(--muted); font-size:13px; margin-top:4px; line-height:1.5}
    .hero-cta{display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin-top:18px}
    .hero-meta{margin-top:18px; display:flex; flex-wrap:wrap; gap:10px}
    .chip{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid #eadcff; color:#4b4f62; font-size:13px}
    .hero-side{padding:22px}
    .side-title{font-size:18px; margin:0 0 10px}
    .side-list{display:grid; gap:12px; margin:0; padding:0; list-style:none}
    .side-list li{padding:14px; border-radius:16px; background:linear-gradient(180deg,#fff,#f8f2ff); border:1px solid #eee1ff}
    .side-list strong{display:block; margin-bottom:6px}
    .side-list span{color:var(--muted); font-size:13px; line-height:1.6}
    .section{padding:18px 0}
    .section-head{display:flex; justify-content:space-between; align-items:end; gap:16px; margin-bottom:14px}
    .section-head h2{margin:0; font-size:28px}
    .section-head p{margin:0; color:var(--muted); max-width:72ch; line-height:1.7}
    .metrics{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px}
    .metric{padding:20px}
    .metric strong{display:block; font-size:28px; color:var(--brand)}
    .metric span{display:block; margin-top:8px; color:var(--muted); line-height:1.6}
    .grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .grid-2{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px}
    .service-card,.case-card,.review,.faq-item,.article-card,.price-card,.timeline-item,.compare-box,.form-card,.contact-card,.network-card{padding:22px}
    .service-card h3,.case-card h3,.article-card h3,.price-card h3,.network-card h3{margin:0 0 10px; font-size:18px}
    .service-card p,.case-card p,.review p,.article-card p,.price-card p,.network-card p,.compare-box p,.contact-card p{margin:0; color:var(--muted); line-height:1.75}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
    .tag-cloud span{padding:8px 12px; border-radius:999px; background:#f7f1ff; border:1px solid #eadcff; font-size:13px}
    .workflow{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px}
    .step{padding:18px; border-radius:20px; background:linear-gradient(180deg,#fff,#faf7ff); border:1px solid #eadcff}
    .step b{display:inline-flex; width:36px; height:36px; align-items:center; justify-content:center; border-radius:12px; background:#f0e4ff; color:#6f2cff; margin-bottom:12px}
    .table-wrap{overflow:auto; border-radius:22px; border:1px solid #eadcff; background:#fff; box-shadow:var(--shadow)}
    table{width:100%; border-collapse:collapse; min-width:860px}
    th,td{padding:16px 18px; border-bottom:1px solid #f0e6ff; text-align:left; vertical-align:top}
    th{background:#faf5ff; color:#2a2940}
    td{color:#3a4152}
    .badge-good{display:inline-flex; padding:6px 10px; border-radius:999px; background:#f0e4ff; color:#6a22dd; font-size:12px; font-weight:700}
    .testimonial-grid{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .review .role{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px}
    .stars{color:#ff9f1a; letter-spacing:2px}
    .faq-list{display:grid; gap:12px}
    .faq-item button{
      width:100%; background:none; border:none; padding:0; color:var(--ink); font:inherit; text-align:left; cursor:pointer;
      display:flex; justify-content:space-between; gap:12px; align-items:center;
    }
    .faq-item button span{font-size:18px; color:var(--brand)}
    .faq-answer{display:none; padding-top:12px; color:var(--muted); line-height:1.75}
    .faq-item.open .faq-answer{display:block}
    .article-list{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .article-card small{display:inline-block; margin-bottom:10px; color:#7a2cff; font-weight:700}
    .timeline{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px}
    .timeline-item .date{display:inline-flex; margin-bottom:10px; color:#6f2cff; font-weight:700}
    .form-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:14px}
    form{display:grid; gap:12px}
    .field{display:grid; gap:8px}
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; padding:13px 14px; border:1px solid #dcccff; border-radius:14px; background:#fff; color:var(--ink);
      outline:none; transition:.2s ease; font:inherit;
    }
    input:focus,select:focus,textarea:focus{border-color:#9b63ff; box-shadow:0 0 0 3px rgba(122,44,255,.1)}
    textarea{min-height:120px; resize:vertical}
    .contact-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px}
    .qr{display:flex; gap:14px; align-items:center}
    .qr img{width:120px; height:120px; border-radius:16px; object-fit:cover; border:1px solid #eadcff; background:#fff}
    footer{
      margin-top:18px; padding:22px 0 28px; background:#f7f1ff; border-top:1px solid #e8ddff; color:#2a2440;
    }
    footer a{color:#5e22d4}
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px; align-items:start}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid #eadcff}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:80; display:grid; gap:10px;
    }
    .floating a,.floating button{
      width:52px; height:52px; border-radius:16px; border:1px solid rgba(232,221,255,.9); background:#fff; box-shadow:var(--shadow);
      display:flex; align-items:center; justify-content:center; color:var(--brand); font-weight:800; cursor:pointer;
    }
    .backtop{opacity:0; pointer-events:none; transition:.25s ease}
    .backtop.show{opacity:1; pointer-events:auto}
    .reveal{opacity:0; transform:translateY(16px); transition:.6s ease}
    .reveal.visible{opacity:1; transform:none}
    .mobile-panel{display:none}
    .home-link{font-weight:800}
    @media (max-width: 1024px){
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.metrics,.workflow,.testimonial-grid,.article-list,.timeline{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .nav-links,.nav-actions .btn-ghost{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-panel{
        display:none; padding:0 0 14px;
      }
      .mobile-panel.open{display:block}
      .mobile-panel .nav-links{display:grid; grid-template-columns:1fr 1fr; gap:10px; padding:10px 0 2px}
      .mobile-panel .nav-links a{justify-content:flex-start; background:#fff; border:1px solid #eadcff}
      .hero-grid,.form-grid,.footer-grid,.grid-3,.grid-2,.metrics,.workflow,.testimonial-grid,.article-list,.timeline{grid-template-columns:1fr}
      .hero{padding-top:22px}
      .hero-main{padding:22px}
      .hero-points{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .qr{flex-direction:column; align-items:flex-start}
    }