:root{
      --bg:#0e0b18;
      --panel:#161225;
      --panel-2:#1c1730;
      --card:#f7f3ff;
      --card-2:#f0e9ff;
      --line:rgba(255,255,255,.10);
      --text:#f5f4fb;
      --muted:#bfb8d8;
      --dark:#1b1530;
      --accent:#ff4fd8;
      --accent-2:#8f5bff;
      --accent-3:#22d3ee;
      --good:#63f2aa;
      --shadow:0 18px 48px rgba(6,4,16,.35);
      --shadow2:0 12px 28px rgba(255,79,216,.18);
      --radius:18px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,sans-serif;
      background:
        radial-gradient(circle at top left, rgba(255,79,216,.18), transparent 28%),
        radial-gradient(circle at 80% 10%, rgba(34,211,238,.12), transparent 22%),
        linear-gradient(180deg, #100d1d 0%, #151022 48%, #f7f4ff 48%, #f7f4ff 100%);
      color:var(--text);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:40;
      background:rgba(14,11,24,.72);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav-bar{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 .ai-page-logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:var(--shadow2)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;line-height:1.2}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:#fff;border-radius:12px;padding:10px 12px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#efeaff;opacity:.9}
    .nav-links a:hover{color:#fff}
    .nav-cta{padding:10px 16px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:var(--shadow2);font-weight:700}
    .hero{padding:44px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel{border-radius:var(--radius)}
    .hero-main{
      background:
        linear-gradient(135deg, rgba(255,79,216,.16), rgba(143,91,255,.14)),
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
      padding:34px;
      position:relative;
      overflow:hidden;
    }
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:999px;filter:blur(18px);opacity:.55;pointer-events:none
    }
    .hero-main:before{width:180px;height:180px;background:rgba(255,79,216,.24);right:-36px;top:-30px}
    .hero-main:after{width:220px;height:220px;background:rgba(34,211,238,.14);left:-70px;bottom:-90px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:#fbeaff;font-size:13px;border:1px solid rgba(255,255,255,.10)}
    h1{margin:16px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.04}
    .lead{max-width:62ch;color:#ece7ff;font-size:16px;line-height:1.8}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .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}
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:var(--shadow2)}
    .btn-secondary{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#fff}
    .btn:hover{transform:translateY(-2px)}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:14px}
    .stat b{display:block;font-size:24px;color:#fff}
    .stat span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .hero-side{background:linear-gradient(180deg,#1b1530,#140f23);border:1px solid rgba(255,255,255,.10);padding:22px;display:grid;gap:14px}
    .mini-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px}
    .mini-card h3{margin:0 0 8px;font-size:16px;color:#fff}
    .mini-card p{margin:0;color:#cfc7ea;font-size:14px;line-height:1.7}
    main{background:#f7f4ff;color:var(--dark)}
    section{padding:54px 0}
    .section-head{margin-bottom:22px}
    .section-head h2{margin:0 0 10px;font-size:clamp(24px,3vw,36px);line-height:1.2;color:#20183a}
    .section-head p{margin:0;color:#5a5470;line-height:1.8;max-width:75ch}
    .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .card{background:linear-gradient(180deg,#fff,#f5efff);border:1px solid rgba(143,91,255,.12);box-shadow:0 10px 30px rgba(54,31,106,.08);padding:20px}
    .card h3{margin:0 0 10px;color:#221a3c}
    .card p,.card li{color:#5a5470;line-height:1.75}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(143,91,255,.10);color:#6f45d7;font-size:12px;font-weight:700}
    .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .feature{padding:18px;border-radius:16px;background:#fff;border:1px solid rgba(143,91,255,.10)}
    .feature strong{display:block;color:#1c1534;margin-bottom:8px}
    .feature span{color:#5f5678;line-height:1.7}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid rgba(143,91,255,.14);background:#fff;box-shadow:0 10px 30px rgba(54,31,106,.08)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:15px 14px;border-bottom:1px solid rgba(143,91,255,.12);text-align:left;color:#4d4565}
    th{background:#f4ecff;color:#221a3c}
    .highlight{color:#7a43ff;font-weight:700}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{background:linear-gradient(180deg,#fff,#f6f0ff);border:1px solid rgba(143,91,255,.10);border-radius:18px;padding:18px;position:relative}
    .step .num{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .gallery .card{padding:14px}
    .gallery img,.comment img,.about img,.contact img,.cases img{width:100%;border-radius:14px}
    .layout-two{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:start}
    .faq details{background:#fff;border:1px solid rgba(143,91,255,.12);border-radius:16px;padding:16px 18px;box-shadow:0 8px 24px rgba(54,31,106,.06)}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;color:#221a3c;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:#5f5678;line-height:1.75}
    .comments{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .comment{background:#fff;border:1px solid rgba(143,91,255,.12);border-radius:18px;padding:18px}
    .comment .role{color:#7a43ff;font-size:13px;font-weight:700}
    .comment p{color:#5a5470;line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid rgba(143,91,255,.12);color:#4d4565;font-size:13px}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:16px;border-radius:16px;background:#fff;border:1px solid rgba(143,91,255,.12)}
    .timeline-item b{color:#7a43ff}
    .timeline-item p{margin:4px 0 0;color:#5a5470;line-height:1.7}
    .contact-box{display:grid;grid-template-columns:1fr .8fr;gap:16px;align-items:start}
    form{display:grid;gap:12px}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid rgba(143,91,255,.16);
      background:#fff;color:#20183a;outline:none;font:inherit
    }
    textarea{min-height:120px;resize:vertical}
    .form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .submit{border:none;cursor:pointer}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border-radius:16px;border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;display:grid;place-items:center;
      box-shadow:var(--shadow2);cursor:pointer
    }
    .backtop{display:none}
    footer{background:#120f1d;color:#ddd7f0;padding:28px 0 34px}
    footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px}
    .footer-links a{padding:8px 10px;border-radius:10px;background:rgba(255,255,255,.06)}
    .copyright{margin-top:16px;color:#a9a1c7;font-size:13px;line-height:1.7}
    .mobile-only{display:none}
    .banner-images{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .banner-images .card{padding:12px}
    @media (max-width: 980px){
      .hero-grid,.layout-two,.contact-box,.footer-grid{grid-template-columns:1fr}
      .card-grid,.feature-list,.comments,.gallery,.steps,.banner-images{grid-template-columns:repeat(2,1fr)}
      .hero-stats{grid-template-columns:1fr}
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;background:rgba(14,11,24,.97);border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:14px;flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .mobile-only{display:block}
    }
    @media (max-width: 640px){
      .container{padding:0 16px}
      .hero-main{padding:22px}
      .card-grid,.feature-list,.comments,.gallery,.steps,.banner-images,.form-row{grid-template-columns:1fr}
      .nav-bar{min-height:70px}
      h1{font-size:32px}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}