:root{
      --bg:#f6f4ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1d1b2a;
      --muted:#5f6478;
      --line:#e4def6;
      --primary:#7b4dff;
      --primary2:#b24cff;
      --primary3:#5d7cff;
      --accent:#f5e9ff;
      --shadow:0 18px 50px rgba(86, 52, 183, .12);
      --radius:22px;
      --radius2:16px;
      --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 top left, rgba(123,77,255,.13), transparent 28%),
        radial-gradient(circle at top right, rgba(178,76,255,.10), transparent 24%),
        linear-gradient(180deg, #fbfaff 0%, #f6f4ff 35%, #f8f7ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(14px);
      background:rgba(251,250,255,.78);
      border-bottom:1px solid rgba(228,222,246,.8);
    }
    .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 img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 18px rgba(123,77,255,.08)}
    .brand .title{display:flex;flex-direction:column;line-height:1.2}
    .brand strong{font-size:16px;letter-spacing:.4px}
    .brand span{font-size:12px;color:var(--muted)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#3a3850;padding:8px 10px;border-radius:12px;transition:.25s}
    .nav-links a:hover{background:var(--accent);color:var(--primary)}
    .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:.25s;box-shadow:none;
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 14px 30px rgba(123,77,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(123,77,255,.30)}
    .btn-ghost{background:#fff;color:var(--primary);border:1px solid rgba(123,77,255,.18)}
    .btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .hero{
      position:relative;
      padding:46px 0 28px;
      overflow:hidden;
    }
    .hero::before,.hero::after{
      content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none
    }
    .hero::before{width:300px;height:300px;background:rgba(123,77,255,.13);right:-90px;top:20px}
    .hero::after{width:220px;height:220px;background:rgba(178,76,255,.10);left:-70px;bottom:-40px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.hero-panel,.section-card,.stat,.service-card,.step,.compare,.faq-item,.review,.article,.network,.quote,.form-card,.contact-card,.tags,.price-card,.timeline{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(228,222,246,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-copy{padding:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--accent);color:var(--primary);font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(30px,4.2vw,52px);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.85}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px}
    .pill{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#413d57}
    .hero-panel{padding:22px;display:grid;gap:14px}
    .panel-stat{
      border-radius:20px;padding:18px;background:linear-gradient(180deg,#faf7ff,#ffffff);
      border:1px solid var(--line)
    }
    .panel-stat strong{display:block;font-size:28px;color:var(--primary);line-height:1.1}
    .panel-stat span{font-size:13px;color:var(--muted)}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini{
      padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line);
      font-size:13px;color:#403a57;line-height:1.7
    }
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:8px 0 16px}
    .section-head h2{margin:0;font-size:clamp(22px,2.8vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.75}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .stat,.service-card,.step,.review,.article,.network,.price-card,.timeline{padding:20px}
    .stat strong{display:block;font-size:28px;color:var(--primary);margin-bottom:6px}
    .stat span{color:var(--muted);font-size:14px;line-height:1.7}
    .service-card h3,.step h3,.review h3,.article h3,.network h3,.price-card h3,.timeline h3{margin:0 0 10px;font-size:18px}
    .service-card p,.step p,.review p,.article p,.network p,.price-card p,.timeline p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .tag-list,.chip-list{display:flex;flex-wrap:wrap;gap:10px}
    .tag,.chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#433f5d}
    .section-card{padding:22px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
    .feature-list{display:grid;gap:12px;margin-top:14px}
    .feature{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);background:#fff;border-radius:16px}
    .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));margin-top:6px;flex:0 0 auto}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #ece7fa;text-align:left;font-size:14px;vertical-align:top}
    th{background:#faf7ff;color:#2a2640}
    td{color:#47415f}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .stars{color:#f5a623;font-size:18px;letter-spacing:2px}
    .accordion{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;border:none;background:transparent;padding:18px 20px;display:flex;justify-content:space-between;gap:16px;
      text-align:left;font-weight:700;color:#2d2940;cursor:pointer;font-size:15px
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted);line-height:1.8;font-size:14px}
    .faq-item.active .faq-a{max-height:160px;padding-bottom:18px}
    .faq-item.active .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s}
    .comments .review{display:flex;flex-direction:column;gap:12px}
    .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
    .review-top{display:flex;align-items:center;gap:12px}
    .role{font-size:13px;color:var(--muted)}
    .article-list{display:grid;gap:12px}
    .article-row{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .article-row span{color:var(--primary);font-size:13px;white-space:nowrap}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .input,select,textarea{
      width:100%;border:1px solid #dcd5f2;background:#fff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s
    }
    .input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(123,77,255,.12)}
    textarea{min-height:126px;resize:vertical}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
    .footer{
      margin-top:18px;padding:24px 0 26px;border-top:1px solid rgba(228,222,246,.9);
      background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(248,246,255,.9));
      color:#2b2740
    }
    .footer a{color:#5038c8}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer small,.footer p,.footer li{color:#5c5971;line-height:1.8}
    .footer ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .sticky-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .tool{
      width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary2));
      color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(123,77,255,.28)
    }
    .tool.secondary{background:#fff;color:var(--primary);border:1px solid var(--line)}
    .mobile-only{display:none}
    .service-spot{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .service-spot .chip{background:linear-gradient(180deg,#fff,#faf7ff);text-align:center}
    .timeline-wrap{display:grid;gap:12px}
    .timeline-item{display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);background:#fff;border-radius:16px}
    .timeline-item .num{width:30px;height:30px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:var(--primary);font-weight:800;flex:0 0 auto}
    .map-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .map-grid .network{min-height:100%}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card.featured{border:1px solid rgba(123,77,255,.35);background:linear-gradient(180deg,#ffffff,#faf7ff)}
    .quote{
      padding:18px 20px;border-left:4px solid var(--primary);background:#fff
    }
    .support{display:grid;grid-template-columns:1fr 320px;gap:18px;align-items:start}
    .kefu{padding:16px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .kefu img{width:100%;border-radius:14px;border:1px solid var(--line)}
    .banner-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
    .banner-stack img{width:100%;border-radius:18px;border:1px solid var(--line);object-fit:cover}
    .reveal{opacity:0;transform:translateY(14px);transition:all .7s ease}
    .reveal.visible{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.footer-grid,.support{grid-template-columns:1fr}
      .grid-4,.grid-3,.service-spot,.map-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav-links.open{
        display:flex;position:absolute;left:16px;right:16px;top:68px;padding:14px;background:#fff;border:1px solid var(--line);
        border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;z-index:80
      }
      .nav{position:relative}
    }
    @media (max-width: 680px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .grid-4,.grid-3,.service-spot,.map-grid,.price-grid,.form-grid,.banner-stack{grid-template-columns:1fr}
      .hero-copy,.hero-panel,.section-card,.stat,.service-card,.step,.review,.article,.network,.price-card,.timeline,.form-card,.contact-card{padding:18px}
      .hero{padding-top:28px}
      .hero-actions,.section-head,.form-actions{flex-direction:column;align-items:stretch}
      .mobile-only{display:block}
      .desktop-only{display:none}
    }