:root{
      --bg:#f7f5ff;
      --bg2:#ffffff;
      --card:#ffffff;
      --card2:#f2ecff;
      --line:#e8ddff;
      --text:#1f2430;
      --muted:#5f6472;
      --primary:#7b3ff2;
      --primary2:#b04cff;
      --accent:#ff6bd6;
      --shadow:0 14px 40px rgba(91, 52, 175, .12);
      --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(circle at top left, rgba(176,76,255,.16), transparent 26%),
        radial-gradient(circle at 85% 10%, rgba(123,63,242,.12), transparent 24%),
        linear-gradient(180deg, #faf8ff 0%, #f6f4ff 36%, #fbfbfd 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(14px);
      background: rgba(255,255,255,.78);
      border-bottom:1px solid rgba(123,63,242,.1);
    }
    .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 img{width:44px;height:44px;object-fit:contain}
    .brand .txt{min-width:0}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)
    }
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#2a3040;padding:8px 0;position:relative}
    .navlinks a:after{
      content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));
      transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
    }
    .navlinks a:hover:after{transform:scaleX(1)}
    .hero{
      padding:42px 0 28px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-card,.panel,.section-card,.faq-item,.review-card,.article-card,.case-card,.step-card,.metric,.price-card,.timeline-item,.help-card{
      background:var(--card);
      border:1px solid rgba(123,63,242,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{
      position:relative;overflow:hidden;padding:34px;
      background:
        linear-gradient(135deg, rgba(123,63,242,.10), rgba(255,107,214,.08)),
        linear-gradient(180deg, #fff 0%, #fbf9ff 100%);
    }
    .hero-card:before,.hero-card:after{
      content:"";position:absolute;border-radius:999px;pointer-events:none
    }
    .hero-card:before{width:220px;height:220px;right:-80px;top:-90px;background:radial-gradient(circle, rgba(176,76,255,.24), transparent 68%)}
    .hero-card:after{width:160px;height:160px;left:-70px;bottom:-70px;background:radial-gradient(circle, rgba(255,107,214,.18), transparent 68%)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:#f4edff;color:#6a34dc;font-size:13px;font-weight:700;
      border:1px solid rgba(123,63,242,.12);
    }
    h1{margin:16px 0 14px;font-size:clamp(32px,4.8vw,52px);line-height:1.06;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:44em}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.25s ease;
      cursor:pointer;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 12px 24px rgba(123,63,242,.26)
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(123,63,242,.3)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#cbb5ff}
    .hero-meta{
      margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
    }
    .mini{
      background:rgba(255,255,255,.76);border:1px solid rgba(123,63,242,.12);border-radius:18px;padding:14px
    }
    .mini strong{display:block;font-size:20px}
    .mini span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .hero-side{display:grid;gap:16px}
    .panel{padding:22px;background:linear-gradient(180deg,#fff 0,#fbf8ff 100%)}
    .panel h2,.section-title h2{margin:0 0 10px;font-size:26px;line-height:1.2}
    .panel p,.section-card p,.help-card p,.case-card p,.article-card p,.review-card p,.faq-item p{margin:0;color:var(--muted);line-height:1.75}
    .brand-list,.tag-cloud,.check-list,.service-list,.article-list,.network-list,.support-list{display:flex;flex-wrap:wrap;gap:10px}
    .chip{
      padding:9px 12px;border-radius:999px;background:#f7f1ff;border:1px solid rgba(123,63,242,.12);font-size:13px;color:#4b2aa7
    }
    .section{padding:20px 0}
    .section-title{
      display:flex;justify-content:space-between;align-items:end;gap:14px;margin-bottom:16px
    }
    .section-title p{margin:0;color:var(--muted);max-width:58em;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .metric,.section-card,.case-card,.review-card,.article-card,.faq-item,.price-card,.help-card,.timeline-item,.step-card{
      padding:22px
    }
    .metric strong{display:block;font-size:30px;line-height:1}
    .metric span{display:block;color:var(--muted);margin-top:8px}
    .section-card h3,.case-card h3,.review-card h3,.article-card h3,.price-card h3,.help-card h3,.step-card h3,.timeline-item h3{margin:0 0 10px;font-size:18px}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg, rgba(123,63,242,.14), rgba(255,107,214,.12));color:#6d35e0;font-weight:800
    }
    .section-card ul,.case-card ul,.price-card ul,.help-card ul,.timeline-item ul{margin:12px 0 0;padding:0 0 0 18px;color:var(--muted);line-height:1.8}
    .timeline{
      display:grid;grid-template-columns:repeat(4,1fr);gap:16px
    }
    .timeline-item{position:relative;overflow:hidden}
    .timeline-item:before{
      content:"";position:absolute;left:18px;top:18px;width:10px;height:10px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--accent))
    }
    .timeline-item h3,.timeline-item p,.timeline-item ul{padding-left:18px}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid rgba(123,63,242,.12);box-shadow:var(--shadow);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:920px;background:#fff}
    th,td{padding:15px 16px;text-align:left;border-bottom:1px solid #f0e8ff;vertical-align:top}
    th{background:#f7f1ff;color:#351c6d;font-size:14px}
    td{color:var(--text);font-size:14px;line-height:1.7}
    tr:hover td{background:#fcfaff}
    .rating{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:12px
    }
    .stars{color:#ff9d2e;font-size:18px;letter-spacing:2px}
    .faq{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;border:0;background:#fff;padding:18px 20px;font:inherit;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;color:var(--text);text-align:left
    }
    .faq-q strong{font-size:16px}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
    .faq-item.open .faq-a{padding:0 20px 18px;max-height:180px}
    .faq-item.open .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:transform .25s ease;color:var(--primary)}
    .reviews,.cases,.articles,.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}
    .avatar{
      width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;font-weight:700
    }
    .review-top{display:flex;gap:12px;align-items:center}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#f6efff;color:#6a34dc;font-size:12px;font-weight:700}
    .form{
      display:grid;grid-template-columns:repeat(2,1fr);gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#374055}
    input,select,textarea{
      width:100%;border:1px solid #dcd3f7;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;
      transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#9d6ff5;box-shadow:0 0 0 4px rgba(123,63,242,.12)}
    textarea{min-height:118px;resize:vertical}
    .submit-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:6px}
    .footer{
      margin-top:22px;padding:24px 0 30px;background:linear-gradient(180deg,#f4efff 0,#efe8ff 100%);border-top:1px solid rgba(123,63,242,.12);color:#2a3040
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
    .footer a{color:#3d21a1}
    .footer small{color:#5e6478}
    .contact-box{
      display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:center
    }
    .qr{
      width:140px;height:140px;border-radius:18px;border:1px solid #d8cdf9;background:#fff;display:flex;align-items:center;justify-content:center;padding:10px;overflow:hidden
    }
    .qr img{width:100%;height:100%;object-fit:cover;border-radius:12px}
    .float-tools{
      position:fixed;right:16px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(123,63,242,.18);
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:grid;place-items:center;
      box-shadow:0 14px 26px rgba(123,63,242,.22);cursor:pointer
    }
    .float-btn.secondary{background:#fff;color:var(--primary)}
    .floating-card{
      position:fixed;right:16px;bottom:78px;z-index:59;width:min(320px, calc(100vw - 32px));
      display:none;background:#fff;border:1px solid rgba(123,63,242,.15);border-radius:20px;box-shadow:var(--shadow);overflow:hidden
    }
    .floating-card.open{display:block}
    .floating-card .head{padding:14px 16px;background:linear-gradient(135deg,#f4edff,#fff);display:flex;justify-content:space-between;align-items:center}
    .floating-card .body{padding:16px}
    .muted{color:var(--muted)}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    .article-list-compact{display:grid;gap:10px}
    .article-list-compact a{
      display:flex;justify-content:space-between;gap:12px;align-items:center;padding:13px 14px;border:1px solid #eadfff;border-radius:16px;background:#fff
    }
    .article-list-compact a span{color:var(--muted);font-size:13px}
    .quote{
      border-left:4px solid var(--primary);padding:16px 16px 16px 18px;background:#fbf8ff;border-radius:16px;color:#2a3040;line-height:1.8
    }
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.reviews,.cases,.articles,.help-grid,.footer-grid,.timeline{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .navlinks{
        display:none;position:absolute;left:0;right:0;top:76px;background:rgba(255,255,255,.96);
        padding:14px 16px 18px;border-bottom:1px solid rgba(123,63,242,.12);box-shadow:0 18px 30px rgba(92,53,176,.08);
      }
      .navlinks.open{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
      .hero{padding-top:20px}
      .hero-grid,.grid-4,.grid-3,.reviews,.cases,.articles,.help-grid,.footer-grid,.timeline,.form,.hero-meta,.contact-box{grid-template-columns:1fr}
      .hero-card,.panel{padding:22px}
      .section-title{flex-direction:column;align-items:flex-start}
      .contact-box{align-items:start}
      .qr{width:120px;height:120px}
      table{min-width:760px}
    }