:root{
      --bg:#fbfbff;
      --surface:#ffffff;
      --surface-soft:#f6f7ff;
      --ink:#162033;
      --muted:#5c6578;
      --line:#dde3f4;
      --primary:#5a5cf6;
      --primary-dark:#3437c7;
      --cyan:#19c7d6;
      --pink:#ff6fb1;
      --gold:#f6b451;
      --green:#25b887;
      --shadow:0 18px 50px rgba(46,56,120,.12);
      --radius:24px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 10% 0%, rgba(90,92,246,.15), transparent 32%),
        radial-gradient(circle at 90% 8%, rgba(255,111,177,.14), transparent 30%),
        linear-gradient(135deg,#fff 0%,#f8fbff 42%,#fff7fb 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-space{scroll-margin-top:96px}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(221,227,244,.75);
    }
    .nav{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:190px;
      font-weight:900;
      letter-spacing:.02em;
    }
    .logo-wrap{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:#fff;box-shadow:0 10px 26px rgba(90,92,246,.14);overflow:hidden}
    .ai-page-logo{max-height:34px;width:auto}
    .brand-text span{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:6px;
      flex:1;
    }
    .nav-links a{
      padding:8px 10px;
      border-radius:999px;
      font-size:14px;
      color:#29334a;
      white-space:nowrap;
      transition:.2s ease;
    }
    .nav-links a:hover{background:rgba(90,92,246,.09);color:var(--primary-dark)}
    .nav-cta{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--cyan) 52%,var(--pink));
      box-shadow:0 12px 28px rgba(90,92,246,.26);
    }
    .btn-outline{
      color:var(--primary-dark);
      background:rgba(255,255,255,.75);
      border-color:rgba(90,92,246,.24);
    }
    .menu-toggle{
      display:none;
      border:1px solid var(--line);
      background:#fff;
      border-radius:14px;
      width:44px;
      height:44px;
      color:var(--ink);
      font-size:22px;
    }
    .mobile-panel{display:none}
    .hero{
      position:relative;
      padding:86px 0 56px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:22px auto auto 50%;
      width:720px;
      height:720px;
      transform:translateX(-10%);
      background:conic-gradient(from 180deg,rgba(90,92,246,.16),rgba(25,199,214,.13),rgba(255,111,177,.15),rgba(246,180,81,.12),rgba(90,92,246,.16));
      filter:blur(40px);
      border-radius:50%;
      animation:aurora 12s linear infinite;
      pointer-events:none;
    }
    @keyframes aurora{to{transform:translateX(-10%) rotate(360deg)}}
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      align-items:center;
      gap:44px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border:1px solid rgba(90,92,246,.18);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:800;
      box-shadow:0 10px 30px rgba(90,92,246,.08);
    }
    .spark{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(25,199,214,.15)}
    h1{
      margin:20px 0 18px;
      font-size:clamp(38px,6vw,72px);
      line-height:1.06;
      letter-spacing:-.06em;
      color:#121827;
    }
    .hero-lead{
      max-width:720px;
      color:#4d566b;
      font-size:18px;
      margin:0 0 28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
    .hero-tags span{
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(221,227,244,.8);
      color:#394258;
      font-size:13px;
      font-weight:700;
    }
    .command-card{
      border:1px solid rgba(255,255,255,.95);
      background:linear-gradient(160deg,rgba(255,255,255,.88),rgba(246,248,255,.82));
      box-shadow:var(--shadow);
      border-radius:32px;
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .command-card::after{
      content:"";
      position:absolute;
      width:190px;
      height:190px;
      right:-70px;
      top:-70px;
      background:radial-gradient(circle,rgba(255,111,177,.32),transparent 70%);
    }
    .console-bar{display:flex;align-items:center;gap:8px;margin-bottom:18px}
    .dot{width:10px;height:10px;border-radius:50%;background:#ff7676}
    .dot:nth-child(2){background:#ffd36c}
    .dot:nth-child(3){background:#45d99a}
    .workflow-lines{display:grid;gap:12px}
    .flow-row{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(221,227,244,.8);
    }
    .flow-icon{
      width:38px;height:38px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(90,92,246,.16),rgba(25,199,214,.16));
      color:var(--primary-dark);
      font-weight:900;
    }
    .flow-row strong{display:block;color:#182238}
    .flow-row small{color:var(--muted)}
    .pill-ok{font-size:12px;color:#087b5f;background:rgba(37,184,135,.13);padding:4px 9px;border-radius:999px;font-weight:800}
    .metrics{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:26px;
    }
    .metric{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(221,227,244,.75);
      box-shadow:0 12px 34px rgba(46,56,120,.07);
    }
    .metric b{display:block;font-size:28px;line-height:1.2;color:var(--primary-dark)}
    .metric span{color:var(--muted);font-size:14px}
    section{padding:70px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{color:var(--primary-dark);font-weight:900;letter-spacing:.08em;font-size:13px;text-transform:uppercase}
    h2{margin:6px 0 0;font-size:clamp(26px,3.5vw,42px);line-height:1.2;letter-spacing:-.03em}
    .section-desc{max-width:560px;color:var(--muted);margin:0}
    .panel{
      border:1px solid rgba(221,227,244,.82);
      border-radius:var(--radius);
      background:rgba(255,255,255,.76);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .about-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .about-copy{padding:30px}
    .check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
    .check-list li{display:flex;gap:10px;color:#354056}
    .check-list li::before{content:"✓";width:24px;height:24px;flex:0 0 24px;border-radius:50%;display:grid;place-items:center;background:rgba(37,184,135,.14);color:#087b5f;font-weight:900}
    .media-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px;background:linear-gradient(135deg,rgba(90,92,246,.08),rgba(255,111,177,.08))}
    .media-grid .wide{grid-column:span 2}
    .media-box{border-radius:20px;overflow:hidden;background:#eef2ff;border:1px solid rgba(255,255,255,.9)}
    .media-box img{width:100%;height:auto}
    .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .service-card{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(221,227,244,.84);
      box-shadow:0 14px 38px rgba(46,56,120,.08);
      transition:.25s ease;
    }
    .service-card:hover{transform:translateY(-6px);box-shadow:0 22px 54px rgba(46,56,120,.14)}
    .icon-badge{
      width:48px;height:48px;border-radius:18px;margin-bottom:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(90,92,246,.16),rgba(255,111,177,.18));
      color:var(--primary-dark);
      font-weight:900;
      font-size:20px;
    }
    h3{margin:0 0 8px;font-size:20px;line-height:1.35}
    .service-card p,.timeline-card p,.review-card p{margin:0;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .tag-cloud span{
      padding:9px 13px;
      border-radius:12px;
      background:linear-gradient(135deg,rgba(255,255,255,.82),rgba(246,247,255,.78));
      border:1px solid rgba(221,227,244,.9);
      color:#384158;
      font-weight:700;
      font-size:14px;
    }
    .steps{
      counter-reset:step;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step{
      position:relative;
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 30px rgba(46,56,120,.07);
    }
    .step::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      margin-bottom:16px;
      width:46px;height:46px;border-radius:16px;align-items:center;justify-content:center;
      color:#fff;font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
    }
    .solutions{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .solution-list{display:grid;gap:12px;padding:26px}
    .solution-item{
      display:flex;
      align-items:flex-start;
      gap:14px;
      padding:16px;
      border-radius:18px;
      background:rgba(246,247,255,.82);
      border:1px solid rgba(221,227,244,.8);
    }
    .solution-item b{display:block}
    .solution-item span{color:var(--muted);font-size:14px}
    .visual-panel{padding:18px}
    .visual-panel img{width:100%;height:auto;border-radius:20px;border:1px solid rgba(255,255,255,.9)}
    .network-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .network-card{
      padding:24px;
      border-radius:24px;
      background:linear-gradient(160deg,#fff,rgba(246,248,255,.88));
      border:1px solid var(--line);
    }
    .timeline{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .timeline-card{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(221,227,244,.85);
      position:relative;
    }
    .timeline-card b{display:block;color:var(--primary-dark);margin-bottom:8px}
    .standards{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .standard-box{
      padding:26px;
      border-radius:24px;
      background:rgba(255,255,255,.82);
      border:1px solid var(--line);
    }
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .case-card{overflow:hidden;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 38px rgba(46,56,120,.08)}
    .case-card img{width:100%;height:auto}
    .case-body{padding:20px}
    .case-body p{margin:0;color:var(--muted)}
    .table-wrap{overflow-x:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:780px}
    th,td{padding:16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
    th{background:linear-gradient(135deg,#f4f6ff,#fff7fb);color:#1e2940}
    tr:last-child td{border-bottom:0}
    .stars{color:#f0a421;font-size:20px;letter-spacing:2px;white-space:nowrap}
    .score-card{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
      margin-bottom:18px;
    }
    .score-item{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 32px rgba(46,56,120,.07)}
    .score-item b{display:block;font-size:30px;color:var(--primary-dark)}
    .form-area{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:22px;
      align-items:start;
    }
    .contact-card{padding:28px;border-radius:24px;background:linear-gradient(135deg,rgba(90,92,246,.1),rgba(255,111,177,.1));border:1px solid var(--line)}
    .contact-methods{display:grid;gap:14px;margin-top:22px}
    .contact-method{padding:15px;border-radius:16px;background:rgba(255,255,255,.76);border:1px solid rgba(221,227,244,.85)}
    form{padding:26px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    label{display:grid;gap:7px;font-weight:800;color:#263149;font-size:14px}
    input,select,textarea{
      width:100%;
      border:1px solid #d9e0f2;
      border-radius:14px;
      padding:12px 14px;
      font:inherit;
      color:var(--ink);
      background:#fbfcff;
      outline:none;
      transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(90,92,246,.12)}
    textarea{min-height:126px;resize:vertical}
    .full{grid-column:1/-1}
    .price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .price-card{padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line)}
    .price-card strong{font-size:22px;color:var(--primary-dark)}
    .price-card p{margin:8px 0 0;color:var(--muted)}
    .training-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .training-item{padding:18px;border-radius:20px;background:rgba(255,255,255,.86);border:1px solid var(--line);font-weight:800;color:#263149}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .review-card{padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 34px rgba(46,56,120,.07)}
    .reviewer{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .avatar{width:42px;height:42px;border-radius:16px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--primary),var(--pink))}
    .reviewer small{display:block;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-question{
      width:100%;
      border:0;
      background:#fff;
      color:#1f2a40;
      text-align:left;
      padding:18px 20px;
      font:inherit;
      font-weight:900;
      display:flex;
      justify-content:space-between;
      gap:14px;
      cursor:pointer;
    }
    .faq-question span:last-child{color:var(--primary);font-size:22px;line-height:1}
    .faq-answer{display:none;padding:0 20px 18px;color:var(--muted)}
    .faq-item.active .faq-answer{display:block}
    .faq-item.active .faq-question span:last-child{transform:rotate(45deg)}
    .article-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .article-card{
      padding:18px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      min-height:132px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:.2s ease;
    }
    .article-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(46,56,120,.1)}
    .article-card b{line-height:1.45}
    .article-card span{color:var(--muted);font-size:13px}
    .link-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .link-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#34405a;font-weight:700}
    .site-footer{
      background:#11182a;
      color:#f8fbff;
      padding:34px 0 24px;
      margin-top:20px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .footer-brand{display:flex;align-items:center;gap:12px}
    .footer-brand .logo-wrap{background:#fff}
    .footer-text p{margin:4px 0 0;color:#cbd5ea}
    .footer-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
    .footer-links a{color:#e8eeff;font-weight:700}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:22px;padding-top:18px;color:#b8c4dd;font-size:14px}
    .float-service{
      position:fixed;
      right:18px;
      bottom:18px;
      z-index:40;
      display:grid;
      gap:10px;
      justify-items:end;
    }
    .qr-card{
      width:142px;
      padding:10px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 16px 44px rgba(46,56,120,.18);
      display:none;
    }
    .qr-card img{width:100%;height:auto;border-radius:12px}
    .qr-card p{margin:7px 0 0;text-align:center;color:#34405a;font-size:12px;font-weight:800}
    .float-service.open .qr-card{display:block}
    .float-btn,.top-btn{
      border:0;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--pink));
      border-radius:999px;
      min-height:44px;
      padding:0 16px;
      font-weight:900;
      box-shadow:0 12px 30px rgba(90,92,246,.28);
      cursor:pointer;
    }
    .top-btn{background:linear-gradient(135deg,#263149,#51607c)}
    .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width:1080px){
      .nav-links,.nav-cta{display:none}
      .menu-toggle{display:block}
      .mobile-panel{
        border-top:1px solid var(--line);
        padding:12px 0 18px;
      }
      .mobile-panel.active{display:block}
      .mobile-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
      .mobile-links a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);font-weight:700;color:#28334b}
      .hero-grid,.about-grid,.solutions,.form-area{grid-template-columns:1fr}
      .metrics,.steps,.price-grid{grid-template-columns:repeat(2,1fr)}
      .card-grid,.case-grid,.network-grid,.reviews,.standards{grid-template-columns:repeat(2,1fr)}
      .timeline,.training-grid,.article-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:680px){
      .container{width:min(100% - 28px,var(--container))}
      .hero{padding:54px 0 42px}
      .command-card{padding:16px;border-radius:24px}
      .flow-row{grid-template-columns:auto 1fr}
      .flow-row .pill-ok{grid-column:2}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .metrics,.steps,.card-grid,.case-grid,.network-grid,.standards,.reviews,.price-grid,.training-grid,.article-grid{grid-template-columns:1fr}
      .media-grid{grid-template-columns:1fr}
      .media-grid .wide{grid-column:auto}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .mobile-links{grid-template-columns:1fr}
      .score-card{grid-template-columns:1fr}
      .float-service{right:12px;bottom:12px}
      .qr-card{width:128px}
    }