:root{
      --bg:#f6f2ff;
      --bg2:#fff8fb;
      --card:#ffffff;
      --text:#1f1730;
      --muted:#645a78;
      --line:#e7dff4;
      --brand:#8a2be2;
      --brand2:#ff4fa3;
      --brand3:#4f79ff;
      --shadow:0 18px 50px rgba(77, 24, 113, .10);
      --radius:22px;
      --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",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(255,79,163,.16), transparent 30%),
        radial-gradient(circle at 85% 18%, rgba(79,121,255,.16), transparent 28%),
        linear-gradient(180deg, var(--bg) 0%, #faf7ff 38%, #fff 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:80;
      backdrop-filter:blur(14px);
      background:rgba(246,242,255,.78);
      border-bottom:1px solid rgba(231,223,244,.9);
    }
    .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;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 10px 26px rgba(138,43,226,.12)}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .navlinks{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#362b4f;padding:8px 10px;border-radius:999px}
    .navlinks a:hover,.navlinks a:focus{background:rgba(138,43,226,.08);color:#2c1748}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;padding:12px 18px;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 30px rgba(138,43,226,.25)}
    .btn-secondary{background:#fff;border-color:var(--line);color:#2f2148}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    header.hero{padding:34px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch
    }
    .hero-copy,.hero-side,.panel,.section-card,.faq-item,.review,.step,.service,.case,.article,.price,.timeline-item,.compare,.form-wrap,.info-box{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(231,223,244,.92);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy:before{
      content:"";position:absolute;inset:auto -20% -35% auto;width:280px;height:280px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,79,163,.22), transparent 65%);
      pointer-events:none
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;background:rgba(138,43,226,.08);color:#5a2b98;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,5vw,52px);line-height:1.08;margin:16px 0 14px}
    .lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini{
      padding:14px 14px 12px;border-radius:18px;background:linear-gradient(180deg,#fff, #faf6ff);
      border:1px solid var(--line)
    }
    .mini strong{display:block;font-size:18px}
    .mini span{display:block;font-size:13px;color:var(--muted);margin-top:5px;line-height:1.5}
    .hero-side{padding:18px;display:grid;gap:14px}
    .panel{padding:18px}
    .panel h2,.section-head h2{margin:0 0 10px;font-size:26px}
    .panel p,.section-head p{margin:0;color:var(--muted);line-height:1.8}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .badge{padding:8px 11px;border-radius:999px;background:#fff3fb;border:1px solid #ffd2eb;font-size:13px;color:#8d2c67}
    main{padding:10px 0 0}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:14px}
    .section-head .sub{max-width:64ch;color:var(--muted);line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3{margin:10px 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(138,43,226,.14), rgba(255,79,163,.14));
      color:#7d2fe0;font-weight:800
    }
    .service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .service{padding:18px}
    .service strong{display:block;margin-bottom:7px}
    .service span{display:block;color:var(--muted);line-height:1.7;font-size:14px}
    .section-card{padding:24px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:16px}
    .timeline-item b{display:inline-block;margin-bottom:6px}
    .compare{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
    th{background:#fbf7ff;color:#3b275b}
    .stars{color:#ff8a00;font-weight:800}
    .highlight{color:#7b2ae0;font-weight:800}
    .kpi{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .kpi .card strong{font-size:30px;display:block}
    .kpi .card small{color:var(--muted)}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tagcloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#4a3a65}
    .price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .price h3{margin-top:0}
    .price strong{font-size:28px}
    .price ul{margin:14px 0 0;padding-left:18px;color:var(--muted);line-height:1.8}
    .reviews,.case-grid,.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review p,.case p,.article p{color:var(--muted);line-height:1.8;margin:10px 0 0}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;
      padding:18px 20px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:700;text-align:left;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);line-height:1.8;transition:max-height .28s ease,padding .28s ease}
    .faq-item.open .faq-a{max-height:220px;padding:0 20px 18px}
    .faq-item.open .faq-q .chev{transform:rotate(180deg)}
    .chev{transition:transform .25s ease}
    .form-wrap{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#3c295b}
    input,select,textarea{
      width:100%;border:1px solid var(--line);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:#c78cff;box-shadow:0 0 0 4px rgba(138,43,226,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:10px;padding:24px 0 30px;border-top:1px solid rgba(231,223,244,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.5), rgba(246,242,255,.9));
      color:#2f2148
    }
    .footer a{color:#7b2ae0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .foot small,.foot p{color:var(--muted);line-height:1.8}
    .qr{width:132px;border-radius:16px;border:1px solid var(--line);background:#fff;padding:8px}
    .float{
      position:fixed;right:16px;bottom:16px;z-index:90;display:flex;flex-direction:column;gap:10px
    }
    .float a,.float button{
      border:0;border-radius:999px;padding:12px 14px;box-shadow:var(--shadow);font-weight:700;cursor:pointer
    }
    .float .w{background:linear-gradient(135deg,#12c35b,#22d66d);color:#fff}
    .float .top{background:#fff;color:#3a2758;border:1px solid var(--line)}
    .mobile-only{display:none}
    .articles-inline{display:grid;gap:10px}
    .articles-inline a{padding:13px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:14px}
    .articles-inline a span{color:var(--muted)}
    .mobile-nav{display:none}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-3,.grid-4,.kpi,.reviews,.case-grid,.article-grid,.price-grid,.footer-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .section-head,.nav{align-items:flex-start;flex-direction:column}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex;align-items:center}
      .mobile-nav{display:none;padding:0 0 14px}
      .mobile-nav.open{display:block}
      .mobile-nav .navlinks{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:10px 0 0}
    }
    @media (max-width: 680px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .hero-copy,.hero-side,.section-card,.card,.service,.panel,.form-wrap{padding:18px}
      .hero-grid,.split,.grid-3,.grid-4,.kpi,.reviews,.case-grid,.article-grid,.price-grid,.footer-grid,.form-grid,.service-list{grid-template-columns:1fr}
      h1{font-size:30px}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .nav{padding:12px 0}
      .nav-cta{width:100%;justify-content:space-between}
      .btn{padding:11px 14px}
      .float{right:12px;bottom:12px}
      table{min-width:680px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
    .reveal.show{opacity:1;transform:none}