:root{
      --bg:#0f0a1a;
      --panel:#171026;
      --panel-2:#1d1430;
      --card:#1a1229;
      --card-2:#24173a;
      --line:rgba(255,255,255,.10);
      --line-2:rgba(255,255,255,.16);
      --text:#f5edf7;
      --muted:#c9b8d7;
      --muted-2:#a892bb;
      --accent:#ff4fd8;
      --accent-2:#8d6bff;
      --accent-3:#19d3ff;
      --good:#48e0a4;
      --warn:#ffd86b;
      --shadow:0 18px 48px rgba(0,0,0,.28);
      --shadow-soft:0 10px 28px rgba(0,0,0,.18);
      --radius:22px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 15% 10%, rgba(255,79,216,.16), transparent 28%),
        radial-gradient(circle at 85% 20%, rgba(141,107,255,.16), transparent 30%),
        radial-gradient(circle at 50% 90%, rgba(25,211,255,.08), transparent 25%),
        linear-gradient(180deg,#100a1c 0%, #0b0814 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:40;
      backdrop-filter: blur(16px);
      background:rgba(13,9,22,.72);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav-wrap{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 .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:rgba(255,255,255,.05);padding:4px;border:1px solid rgba(255,255,255,.08)}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .nav-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .nav-links a{color:#e9dcf5;font-size:14px;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.08);color:#fff}
    .menu-btn{
      display:none;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);
      border-radius:12px;padding:10px 12px;font-size:14px
    }
    .home-link{
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 14px;border-radius:999px;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));
      color:#fff;font-weight:700;box-shadow:0 12px 26px rgba(255,79,216,.18);
      transition:.25s ease;
    }
    .home-link:hover{transform:translateY(-1px)}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main{
      position:relative;overflow:hidden;
      padding:34px;border:1px solid rgba(255,255,255,.10);border-radius:30px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)),
        linear-gradient(135deg, rgba(255,79,216,.14), rgba(141,107,255,.10) 46%, rgba(25,211,255,.08));
      box-shadow:var(--shadow);
    }
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;background:radial-gradient(circle, rgba(255,79,216,.22), transparent 60%);top:-60px;right:-60px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle, rgba(25,211,255,.18), transparent 60%);bottom:-48px;left:-40px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);color:#f3d8ff;font-size:13px}
    h1{margin:18px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:#f3e8fb;font-size:16px;line-height:1.8;max-width:62ch}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
    .chip{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:999px;background:rgba(9,7,15,.25);border:1px solid rgba(255,255,255,.10);color:#f7effd;font-size:13px}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;cursor:pointer;
      transition:.25s ease;min-height:46px
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 16px 28px rgba(255,79,216,.16)}
    .btn-secondary{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.10);color:#fff}
    .btn:hover{transform:translateY(-2px)}
    .hero-side{
      display:grid;gap:14px
    }
    .glass-card{
      padding:20px;border-radius:24px;background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow-soft)
    }
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{
      padding:16px;border-radius:20px;background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08)
    }
    .stat b{display:block;font-size:24px;line-height:1.1}
    .stat span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
    .section{padding:22px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,3vw,32px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:58ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      border:1px solid rgba(255,255,255,.10);border-radius:24px;padding:20px;box-shadow:var(--shadow-soft)
    }
    .card:hover{transform:translateY(-3px);transition:.25s ease;border-color:rgba(255,255,255,.18)}
    .icon-dot{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(255,79,216,.22), rgba(141,107,255,.18));border:1px solid rgba(255,255,255,.10);margin-bottom:12px}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75;font-size:14px}
    .list{margin:0;padding-left:18px}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);font-size:13px;color:#f0e7f7}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.03)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left;font-size:14px;vertical-align:top}
    th{background:rgba(255,255,255,.04);color:#fff}
    td{color:var(--muted)}
    .score{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(72,224,164,.12);color:#c9ffe9;border:1px solid rgba(72,224,164,.25)
    }
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:18px 16px 16px 18px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
    .step b{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;margin-bottom:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
    .step h3{margin:0 0 8px;font-size:16px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
    .stars{color:#ffd86b;letter-spacing:1px}
    .article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .article{padding:18px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
    .article a{color:#fff;font-weight:700}
    .article p{margin:10px 0 0;color:var(--muted);line-height:1.7;font-size:14px}
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;color:#f2e6ff}
    input,select,textarea{
      width:100%;border-radius:14px;border:1px solid rgba(255,255,255,.12);background:rgba(9,7,15,.30);
      color:var(--text);padding:13px 14px;font:inherit;outline:none
    }
    textarea{min-height:124px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#a891ba}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,79,216,.55);box-shadow:0 0 0 4px rgba(255,79,216,.12)}
    .footer{
      margin-top:10px;padding:26px 0 34px;border-top:1px solid rgba(255,255,255,.08);color:var(--muted)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer a{color:#fff}
    .footer small{display:block;line-height:1.8}
    .float-tools{
      position:fixed;right:16px;bottom:18px;z-index:50;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
      box-shadow:0 14px 30px rgba(0,0,0,.24);border:0;cursor:pointer
    }
    .tooltip-card{
      position:fixed;right:16px;bottom:76px;z-index:51;width:min(320px, calc(100vw - 32px));
      background:#160f24;border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:14px;box-shadow:var(--shadow);display:none
    }
    .tooltip-card.show{display:block}
    .tooltip-card h3{margin:0 0 10px;font-size:15px}
    .tooltip-card p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .faq-item{border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.04);border-radius:18px;overflow:hidden}
    .faq-q{
      width:100%;text-align:left;padding:16px 18px;background:transparent;border:0;color:#fff;font-size:15px;font-weight:700;
      display:flex;justify-content:space-between;gap:12px;align-items:center;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;color:var(--muted);line-height:1.75}
    .faq-item.open .faq-a{padding-bottom:16px;max-height:220px}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.25s ease}
    .map-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .map-item{padding:16px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
    .map-item b{display:block;margin-bottom:8px;color:#fff}
    .map-item span{color:var(--muted);font-size:13px;line-height:1.6}
    .wide-banner{
      display:grid;grid-template-columns:1fr 1fr;gap:16px
    }
    .wide-banner .card{overflow:hidden}
    .image-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .image-row img{border-radius:18px;border:1px solid rgba(255,255,255,.08)}
    .section-anchor{scroll-margin-top:92px}
    .tabs-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .service-note{color:var(--muted);font-size:14px;line-height:1.7}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.timeline,.reviews,.article-list,.footer-grid,.wide-banner,.map-grid,.grid-3,.form,.hero-grid{grid-template-columns:1fr}
      .hero-main{padding:26px}
      .section-head{flex-direction:column;align-items:flex-start}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-actions{gap:8px}
      .mobile-only{display:block}
    }
    .nav-mobile{
      display:none;padding:0 0 14px
    }
    .nav-mobile.open{display:block}
    .nav-mobile a{
      display:block;padding:12px 14px;margin-top:8px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:#fff
    }
    .subtle{
      color:var(--muted-2);font-size:13px
    }
    .kpi-strip{
      display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px
    }
    .kpi{
      padding:16px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)
    }
    .kpi b{display:block;font-size:18px}
    .kpi span{display:block;color:var(--muted);font-size:13px;line-height:1.6;margin-top:6px}
    .section-soft{position:relative}
    .section-soft:before{
      content:"";position:absolute;inset:12px 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent)
    }