:root{
      --bg:#0b0a12;
      --bg2:#120f1c;
      --card:#141021;
      --card2:#1b142d;
      --line:rgba(255,255,255,.10);
      --text:#f4ecff;
      --muted:#cdbfe8;
      --accent:#ff4fd8;
      --accent2:#8f6dff;
      --accent3:#2be7ff;
      --good:#58ffb0;
      --warn:#ffd166;
      --shadow:0 18px 50px rgba(0,0,0,.32);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at 18% 10%, rgba(255,79,216,.14), transparent 26%),
        radial-gradient(circle at 80% 14%, rgba(43,231,255,.12), transparent 22%),
        radial-gradient(circle at 50% 0%, rgba(143,109,255,.10), transparent 24%),
        linear-gradient(180deg,var(--bg) 0%, #100d18 40%, #0d0b15 100%);
      color:var(--text);
      line-height:1.65;
      overflow-x:hidden;
    }
    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:50;
      backdrop-filter:blur(16px);
      background:rgba(11,10,18,.78);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{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 .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:rgba(255,255,255,.06);padding:6px;border:1px solid rgba(255,255,255,.10)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.4px}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-wrap{display:flex;align-items:center;gap:14px}
    .menu-btn{
      display:none;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
      color:var(--text);border-radius:14px;padding:10px 12px;font-size:14px
    }
    .nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:13px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.08)}
    .home-link{
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 14px;border-radius:999px;
      background:linear-gradient(135deg,var(--accent),var(--accent2));
      color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(255,79,216,.22)
    }
    .hero{padding:34px 0 24px}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch
    }
    .hero-main,.hero-side,.panel,.card,.faq-item,.testimonial,.news-item,.compare-table,.form-panel,.steps,.price-panel,.tag-panel,.network-panel,.help-panel,.timeline-panel{
      background:linear-gradient(180deg,rgba(20,16,33,.95),rgba(18,15,28,.95));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-main{padding:28px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;inset:auto;
      border-radius:50%;filter:blur(0);
      pointer-events:none
    }
    .hero-main:before{width:240px;height:240px;background:radial-gradient(circle,rgba(255,79,216,.22),transparent 68%);right:-70px;top:-60px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle,rgba(43,231,255,.18),transparent 70%);left:-50px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);color:#f9d8ff;font-size:12px}
    h1{margin:16px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.06;letter-spacing:-.8px}
    .hero p{margin:0;color:var(--muted);max-width:62ch;font-size:15px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 16px;border-radius:14px;border:1px solid transparent;
      font-weight:700;transition:.25s;cursor:pointer
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 14px 28px rgba(255,79,216,.18)}
    .btn-ghost{background:rgba(255,255,255,.05);color:#fff;border-color:rgba(255,255,255,.12)}
    .btn:hover{transform:translateY(-2px)}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .meta{
      padding:14px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)
    }
    .meta strong{display:block;font-size:20px;color:#fff}
    .meta span{font-size:12px;color:var(--muted)}
    .hero-side{padding:18px;display:grid;gap:14px}
    .side-top{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(255,79,216,.12),rgba(143,109,255,.12));border:1px solid rgba(255,255,255,.10)}
    .side-top h2,.section-title h2{margin:0 0 8px;font-size:24px;line-height:1.2}
    .side-top p{margin:0;color:var(--muted);font-size:14px}
    .quick-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);color:#f2e7ff;font-size:12px}
    .mini-list{display:grid;gap:10px}
    .mini-list div{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);font-size:13px;color:var(--muted)}
    .mini-list b{color:#fff;font-weight:600}
    .section{padding:16px 0 8px}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title p{margin:0;color:var(--muted);max-width:64ch;font-size:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:18px}
    .card h3,.card h4{margin:10px 0 8px}
    .card p{margin:0;color:var(--muted);font-size:14px}
    .icon{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,79,216,.18),rgba(43,231,255,.14));
      border:1px solid rgba(255,255,255,.10);font-size:18px
    }
    .stat{display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
    .stat strong{font-size:28px;line-height:1}
    .stat span{font-size:12px;color:var(--muted)}
    .list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px}
    .list li:before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent3));margin-top:8px;flex:0 0 8px}
    .process{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:20px}
    .step .num{
      width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);font-weight:700
    }
    .step h3{margin:12px 0 8px}
    .table-wrap{overflow:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:860px;background:rgba(255,255,255,.02)}
    th,td{padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left;font-size:14px;vertical-align:top}
    th{color:#fff;background:rgba(255,255,255,.05)}
    td{color:var(--muted)}
    tr:hover td{background:rgba(255,255,255,.03)}
    .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;font-size:12px;background:rgba(255,255,255,.08);color:#fff}
    .badge.good{background:rgba(88,255,176,.14);color:#cfffeb}
    .badge.warn{background:rgba(255,209,102,.14);color:#ffe8a6}
    .badge.pink{background:rgba(255,79,216,.14);color:#ffd1f4}
    .accordion{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;padding:16px 18px;background:none;border:0;color:#fff;font-size:15px;
      display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:16px}
    .faq-item.open .chev{transform:rotate(180deg)}
    .chev{transition:.25s}
    .reviews,.articles,.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{font-size:14px;color:var(--muted)}
    .author{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.08)}
    .author strong{display:block;color:#fff}
    .author span{display:block;font-size:12px;color:var(--muted)}
    .case-card{padding:18px}
    .case-card .cover{
      height:150px;border-radius:18px;margin-bottom:14px;
      background:linear-gradient(135deg,rgba(255,79,216,.18),rgba(143,109,255,.12),rgba(43,231,255,.10));
      border:1px solid rgba(255,255,255,.10);display:grid;place-items:center;font-size:28px
    }
    .news-item{padding:18px}
    .news-item a{display:block;font-weight:700;color:#fff;margin-bottom:8px}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .form-panel{padding:18px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:13px;color:#e9ddff}
    input,select,textarea{
      width:100%;padding:12px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);color:#fff;outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#a79cc7}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,79,216,.55);box-shadow:0 0 0 4px rgba(255,79,216,.12)}
    .full{grid-column:1/-1}
    .form-note{font-size:12px;color:var(--muted);margin-top:10px}
    .footer{
      margin-top:18px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg,rgba(11,10,18,.2),rgba(11,10,18,.6))
    }
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    .footer a{color:#fff}
    .footer .muted, .footer p, .footer li{color:var(--muted)}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
    .contact-box{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start}
    .ai-page-image{border-radius:18px;border:1px solid rgba(255,255,255,.10)}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(135deg,rgba(255,79,216,.92),rgba(143,109,255,.92));color:#fff;
      box-shadow:0 14px 28px rgba(0,0,0,.26);display:grid;place-items:center;cursor:pointer
    }
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(8px);transition:.25s}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:none}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
    .timeline-item strong{color:#fff}
    .timeline-item p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .partner-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .support-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .support-list div{padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:var(--muted)}
    .support-list b{display:block;color:#fff;margin-bottom:3px}
    .mobile-only{display:none}
    .section-anchor{scroll-margin-top:92px}
    .faq-list-title{margin:0 0 12px;font-size:18px}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.reviews,.articles,.cases,.footer-grid,.two-col,.grid-2{grid-template-columns:1fr}
      .process{grid-template-columns:repeat(2,1fr)}
      .contact-box{grid-template-columns:1fr}
      .support-list{grid-template-columns:1fr}
      .hero-meta{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .nav{
        display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;
        background:rgba(18,15,28,.98);border:1px solid rgba(255,255,255,.10);border-radius:18px;
        box-shadow:var(--shadow)
      }
      .nav.open{display:flex;flex-direction:column;align-items:stretch}
      .nav a,.nav .home-link{justify-content:center}
      .header-inner{position:relative}
      .process{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
      .mobile-only{display:block}
      .section-title{flex-direction:column;align-items:flex-start}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}