:root{
      --bg:#f7f6fb;
      --bg2:#fff8ff;
      --card:#ffffff;
      --line:rgba(111, 52, 161, .16);
      --text:#20162b;
      --muted:#645873;
      --brand:#b41cff;
      --brand2:#ff4fc3;
      --brand3:#5d62ff;
      --shadow:0 20px 50px rgba(68, 25, 92, .10);
      --radius:20px;
      --max: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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 12%, rgba(255,79,195,.12), transparent 24%),
        radial-gradient(circle at 88% 10%, rgba(93,98,255,.12), transparent 22%),
        linear-gradient(180deg, #fff 0%, var(--bg) 26%, #fbf8ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,251,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(111,52,161,.08)}
    .topbar{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:40px;height:40px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:13px;color:#3a3045;padding:8px 0;white-space:nowrap}
    .nav a:hover{color:var(--brand)}
    .hero{padding:42px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel,.section-card,.info-card,.review,.faq-item,.article-card,.case-card,.step,.table-wrap,.form-card,.about-card{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,255,255,.92));border:1px solid rgba(111,52,161,.14);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(180,28,255,.09);color:#7f159f;font-size:12px;font-weight:700;letter-spacing:.02em}
    h1{font-size:clamp(30px,5vw,54px);line-height:1.06;margin:16px 0 14px}
    .lead{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 20px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .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:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 30px rgba(180,28,255,.22)}
    .btn-secondary{background:#fff;border-color:rgba(111,52,161,.18);color:var(--text)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(40,16,60,.12)}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini{padding:14px;border-radius:16px;background:linear-gradient(180deg,#fff, #fef7ff);border:1px solid rgba(111,52,161,.10)}
    .mini strong{display:block;font-size:14px;margin-bottom:6px}
    .mini span{font-size:13px;color:var(--muted);line-height:1.55}
    .hero-panel{padding:22px;display:flex;flex-direction:column;gap:14px;justify-content:space-between}
    .panel-box{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(180,28,255,.10),rgba(93,98,255,.10));border:1px solid rgba(111,52,161,.12)}
    .panel-box h3{margin:0 0 10px;font-size:18px}
    .panel-box p{margin:0;color:var(--muted);line-height:1.7}
    .kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:18px 0 8px}
    .info-card{padding:18px}
    .info-card strong{display:block;font-size:22px;color:var(--brand)}
    .info-card span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.5}
    section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:68ch}
    .about-grid,.service-grid,.industry-grid,.network-grid,.review-grid,.article-grid,.case-grid,.compare-grid,.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .about-card,.service-card,.industry-card,.network-card,.review,.article-card,.case-card,.step,.faq-item,.form-card,.table-wrap{padding:20px}
    .about-card h3,.service-card h3,.industry-card h3,.network-card h3,.review h3,.article-card h3,.case-card h3,.step h3{margin:0 0 10px;font-size:18px}
    .about-card p,.service-card p,.industry-card p,.network-card p,.review p,.article-card p,.case-card p,.step p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(111,52,161,.12);font-size:13px;color:#41295a}
    .service-grid .service-card:nth-child(1),
    .service-grid .service-card:nth-child(6),
    .case-grid .case-card:nth-child(1),
    .case-grid .case-card:nth-child(5){grid-column:span 2}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step strong{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;margin-bottom:14px}
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(111,52,161,.10);text-align:left;vertical-align:top}
    th{font-size:14px;color:#2a2038;background:#faf7ff}
    td{font-size:14px;color:#3d3349;line-height:1.65}
    .rating{display:flex;align-items:center;gap:10px;font-weight:700;color:#2d1a3f}
    .stars{color:#ff8a00;letter-spacing:2px}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:#fff;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;font-weight:700;color:var(--text);text-align:left;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease; padding:0 18px}
    .faq-a p{margin:0 0 16px;color:var(--muted);line-height:1.75}
    .faq-item.active .faq-a{max-height:180px}
    .reviews-note,.article-meta,.case-meta{font-size:12px;color:#7a6b89;margin-top:10px}
    .article-card a.more{display:inline-flex;margin-top:12px;color:var(--brand);font-weight:700}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:13px;font-weight:700;color:#3d314c}
    input,select,textarea{
      width:100%;border:1px solid rgba(111,52,161,.18);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(180,28,255,.55);box-shadow:0 0 0 4px rgba(180,28,255,.08)}
    .submit-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:10px}
    .footer{padding:24px 0 30px;margin-top:10px;background:#17111f;color:#efe9f7}
    .footer a{color:#ffd2f1}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;align-items:start}
    .footer small,.footer p{color:#d2c7df;line-height:1.7}
    .footer .tag{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#fff}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:70;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;border:0;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 30px rgba(180,28,255,.26);cursor:pointer
    }
    .service-card,.article-card,.case-card,.review,.step,.network-card,.about-card,.info-card{transition:transform .22s ease, box-shadow .22s ease}
    .service-card:hover,.article-card:hover,.case-card:hover,.review:hover,.step:hover,.network-card:hover,.about-card:hover,.info-card:hover{transform:translateY(-4px)}
    .reveal{opacity:0;transform:translateY(18px);transition:all .6s ease}
    .reveal.visible{opacity:1;transform:none}
    .hidden-mobile{display:block}
    .home-link{font-weight:700;color:var(--brand)}
    .hero-visual{
      position:relative;min-height:220px;border-radius:22px;background:
        radial-gradient(circle at 30% 20%, rgba(255,79,195,.4), transparent 30%),
        radial-gradient(circle at 72% 28%, rgba(93,98,255,.35), transparent 30%),
        linear-gradient(135deg,#25112f,#150f22 65%, #24113a);
      border:1px solid rgba(255,255,255,.08);overflow:hidden
    }
    .hero-visual::before,.hero-visual::after{
      content:"";position:absolute;border-radius:999px;filter:blur(0);opacity:.8
    }
    .hero-visual::before{width:120px;height:120px;left:-24px;top:28px;background:rgba(255,79,195,.55)}
    .hero-visual::after{width:180px;height:180px;right:-40px;bottom:-48px;background:rgba(93,98,255,.45)}
    .orbit{
      position:absolute;inset:18px;border:1px solid rgba(255,255,255,.12);border-radius:20px
    }
    .orbit span{position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:0 0 16px rgba(255,255,255,.9)}
    .orbit span:nth-child(1){left:12%;top:22%}
    .orbit span:nth-child(2){right:18%;top:18%}
    .orbit span:nth-child(3){left:20%;bottom:20%}
    .orbit span:nth-child(4){right:22%;bottom:16%}
    .hero-visual .text{
      position:absolute;left:22px;bottom:22px;right:22px;color:#fff
    }
    .hero-visual .text strong{display:block;font-size:22px;margin-bottom:10px}
    .hero-visual .text p{margin:0;color:rgba(255,255,255,.82);line-height:1.6}
    .mobile-nav{display:none}
    .qr-box{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
    .qr-box img{width:120px;height:120px;object-fit:cover;border-radius:16px;background:#fff;padding:6px}
    .article-list{display:grid;gap:12px}
    .article-list a{padding:14px 16px;border-radius:14px;background:#fff;border:1px solid rgba(111,52,161,.12);display:flex;justify-content:space-between;gap:12px;color:#31243f}
    .article-list a:hover{border-color:rgba(180,28,255,.35)}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(93,98,255,.10);color:#494fff;font-size:12px;font-weight:700}
    .compare-score{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(180,28,255,.1),rgba(255,79,195,.08));border:1px solid rgba(111,52,161,.12)}
    .compare-score .big{font-size:34px;font-weight:800;color:var(--brand)}
    @media (max-width: 980px){
      .hero-grid,.about-grid,.service-grid,.industry-grid,.network-grid,.review-grid,.article-grid,.case-grid,.compare-grid,.contact-grid,.footer-grid,.steps{grid-template-columns:1fr}
      .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
      .service-grid .service-card:nth-child(1),
      .service-grid .service-card:nth-child(6),
      .case-grid .case-card:nth-child(1),
      .case-grid .case-card:nth-child(5){grid-column:auto}
      .hero-copy{padding:26px}
    }
    @media (max-width: 860px){
      .nav-toggle{display:inline-flex}
      .nav{display:none}
      .nav.open{display:flex;flex-direction:column;align-items:flex-start;width:100%;padding:0 0 14px}
      .topbar{flex-wrap:wrap}
      .mobile-nav{display:block}
      .form-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .qr-box{grid-template-columns:1fr}
    }