:root{
      --bg:#f7f3ff;
      --bg2:#fffdfc;
      --card:#ffffff;
      --card2:#f4efff;
      --text:#1f2140;
      --muted:#5f6280;
      --line:rgba(97,66,201,.16);
      --primary:#7a3cff;
      --primary2:#b14cff;
      --primary3:#e96cff;
      --shadow:0 18px 50px rgba(82,42,172,.12);
      --shadow2:0 10px 30px rgba(122,60,255,.14);
      --radius:22px;
      --radius2:16px;
      --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(--text);
      background:
        radial-gradient(circle at top left, rgba(122,60,255,.12), transparent 26%),
        radial-gradient(circle at top right, rgba(233,108,255,.10), transparent 24%),
        linear-gradient(180deg, #fff 0%, var(--bg) 35%, #fbf8ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:40;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.76);
      border-bottom:1px solid rgba(122,60,255,.10);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:72px;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;box-shadow:0 8px 20px rgba(122,60,255,.18)}
    .brand-text strong{display:block;font-size:1rem;line-height:1.1}
    .brand-text span{display:block;font-size:.82rem;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.94rem;color:var(--text);opacity:.86;padding:8px 2px;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:3px;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--primary3));transition:.25s ease}
    .nav-links a:hover::after{width:100%}
    .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;cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-1px);box-shadow:var(--shadow2)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
    .btn-ghost{background:#fff;border-color:rgba(122,60,255,.18);color:var(--text)}
    .menu-toggle{display:none;background:#fff;border:1px solid rgba(122,60,255,.16);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
    .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
    .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-panel,.mini-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(245,239,255,.96));
      border:1px solid rgba(122,60,255,.12);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-panel{padding:34px;position:relative;overflow:hidden}
    .hero-panel::before,.hero-panel::after{
      content:"";position:absolute;border-radius:50%;filter:blur(18px);pointer-events:none
    }
    .hero-panel::before{width:180px;height:180px;right:-30px;top:-40px;background:rgba(122,60,255,.14)}
    .hero-panel::after{width:140px;height:140px;left:-30px;bottom:-30px;background:rgba(233,108,255,.12)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(122,60,255,.08);color:var(--primary);
      border:1px solid rgba(122,60,255,.12);border-radius:999px;
      padding:8px 14px;font-size:.88rem;font-weight:700;
    }
    .hero h1{margin:18px 0 14px;font-size:clamp(2rem,4vw,3.7rem);line-height:1.06;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:1.03rem;line-height:1.85;max-width:52rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .tag{
      padding:9px 14px;border-radius:999px;background:#fff;border:1px solid rgba(122,60,255,.12);
      color:var(--text);font-size:.92rem
    }
    .hero-side{display:grid;gap:16px}
    .mini-panel{padding:20px}
    .mini-panel h3{margin:0 0 12px;font-size:1.05rem}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{
      background:linear-gradient(180deg,#fff, #faf7ff);
      border:1px solid rgba(122,60,255,.10);
      border-radius:18px;padding:16px;min-height:98px;
    }
    .stat strong{display:block;font-size:1.6rem;color:var(--primary);line-height:1.1}
    .stat span{display:block;margin-top:8px;color:var(--muted);font-size:.9rem;line-height:1.5}
    .promo-images{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .promo-images .ai-page-image{border-radius:18px;box-shadow:var(--shadow2);border:1px solid rgba(122,60,255,.10);object-fit:cover}
    section{padding:22px 0}
    .section-title{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px
    }
    .section-title h2{margin:0;font-size:1.55rem;line-height:1.2}
    .section-title p{margin:0;color:var(--muted);max-width:52rem}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{
      background:var(--card);border:1px solid rgba(122,60,255,.10);border-radius:var(--radius2);
      box-shadow:0 10px 26px rgba(50,28,120,.06);padding:20px;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow2);border-color:rgba(122,60,255,.22)}
    .card h3{margin:0 0 10px;font-size:1.05rem}
    .card p{margin:0;color:var(--muted);line-height:1.8}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(122,60,255,.12), rgba(233,108,255,.12));
      color:var(--primary);font-weight:800;margin-bottom:14px
    }
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .list{
      display:grid;gap:12px;margin:0;padding:0;list-style:none
    }
    .list li{
      display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed rgba(122,60,255,.14)
    }
    .list li:last-child{border-bottom:0}
    .bullet{
      width:24px;height:24px;border-radius:50%;flex:0 0 24px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-size:.8rem;font-weight:700
    }
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step-num{font-size:.9rem;color:var(--primary);font-weight:800}
    .step-card{position:relative;overflow:hidden}
    .step-card::after{content:"";position:absolute;right:-18px;top:-18px;width:72px;height:72px;border-radius:50%;background:rgba(122,60,255,.08)}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid rgba(122,60,255,.12);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid rgba(122,60,255,.10);vertical-align:top;text-align:left}
    th{background:linear-gradient(180deg,#fbf8ff,#f4efff);font-size:.95rem}
    tr:last-child td{border-bottom:0}
    .badge{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(122,60,255,.10);color:var(--primary);font-size:.82rem;font-weight:700
    }
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{background:linear-gradient(180deg,#fff,#fbf8ff)}
    .quote .meta{display:flex;justify-content:space-between;gap:12px;margin-top:14px;color:var(--muted);font-size:.9rem}
    .faq{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid rgba(122,60,255,.12);border-radius:16px;box-shadow:0 8px 24px rgba(52,27,123,.05);
      overflow:hidden
    }
    summary{
      list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:14px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";font-size:1.2rem;color:var(--primary)}
    details[open] summary::after{content:"–"}
    details .answer{padding:0 18px 16px;color:var(--muted);line-height:1.85}
    .tags-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .soft-tag{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid rgba(122,60,255,.12);color:var(--text)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .timeline .card{position:relative}
    .timeline .card::before{
      content:"";position:absolute;left:20px;top:22px;width:10px;height:10px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--primary3))
    }
    .timeline h3{padding-left:18px}
    .timeline p{padding-left:18px}
    .compare-badge{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:12px;
      background:linear-gradient(135deg, rgba(122,60,255,.12), rgba(233,108,255,.12));color:var(--text);font-weight:700
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .form-card{background:linear-gradient(180deg,#fff,#faf7ff)}
    .form-group{display:grid;gap:8px}
    label{font-weight:700;font-size:.94rem}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid rgba(122,60,255,.18);
      background:#fff;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(122,60,255,.5);box-shadow:0 0 0 4px rgba(122,60,255,.10)}
    textarea{min-height:124px;resize:vertical}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px}
    .note{color:var(--muted);font-size:.92rem;line-height:1.7}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card .meta-line{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:.9rem;margin-bottom:10px}
    .article-card a.read{display:inline-flex;margin-top:12px;color:var(--primary);font-weight:700}
    .footer{
      margin-top:18px;
      background:linear-gradient(180deg,#f3edff,#efe8ff);
      border-top:1px solid rgba(122,60,255,.14);
      color:var(--text);
    }
    .footer-inner{padding:26px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px}
    .footer-links a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid rgba(122,60,255,.12)}
    .copyright{margin-top:18px;padding-top:16px;border-top:1px solid rgba(122,60,255,.12);color:var(--muted);font-size:.92rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:50px;height:50px;border-radius:16px;border:1px solid rgba(122,60,255,.16);background:#fff;box-shadow:var(--shadow2);
      display:grid;place-items:center;color:var(--primary);font-weight:800;cursor:pointer
    }
    .floating .kefu{position:relative}
    .kefu-panel{
      position:absolute;right:58px;bottom:0;width:min(280px, calc(100vw - 100px));
      background:#fff;border:1px solid rgba(122,60,255,.16);border-radius:18px;box-shadow:var(--shadow);padding:14px;display:none
    }
    .kefu-panel.open{display:block}
    .kefu-panel img{border-radius:14px;margin-top:10px}
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    .ai-page-home-link{font-weight:800;color:var(--primary)}
    .service-network{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .mini-map{
      background:
        linear-gradient(135deg, rgba(122,60,255,.12), rgba(233,108,255,.08)),
        #fff;
      border:1px solid rgba(122,60,255,.12);
      border-radius:18px;padding:18px
    }
    .mini-map .row{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed rgba(122,60,255,.14)}
    .mini-map .row:last-child{border-bottom:0}
    .price-box{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px
    }
    .price-item{
      background:#fff;border:1px solid rgba(122,60,255,.12);border-radius:16px;padding:16px
    }
    .price-item strong{display:block;font-size:1.2rem;color:var(--primary);margin-bottom:6px}
    .mobile-only{display:none}
    @media (max-width: 1060px){
      .hero-grid,.two-col,.footer-top,.service-network,.grid-4,.articles,.quote-grid,.timeline,.steps,.grid-3,.price-box,.form-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 780px){
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-only{display:block}
      .hero-grid,.two-col,.footer-top,.service-network,.grid-4,.articles,.quote-grid,.timeline,.steps,.grid-3,.price-box,.form-grid{grid-template-columns:1fr}
      .hero-panel{padding:24px}
      .section-title{flex-direction:column;align-items:flex-start}
      .promo-images{grid-template-columns:1fr 1fr}
      .nav-links.open{
        display:flex;position:absolute;left:16px;right:16px;top:76px;flex-direction:column;align-items:flex-start;gap:8px;
        padding:14px;background:#fff;border:1px solid rgba(122,60,255,.14);border-radius:18px;box-shadow:var(--shadow)
      }
      .nav-cta.open{display:flex;position:absolute;left:16px;right:16px;top:calc(76px + 220px);justify-content:flex-start;padding:0 0 14px}
      .stat-grid{grid-template-columns:1fr 1fr}
      table{min-width:900px}
    }