:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#f3f6ff;
      --text:#172033;
      --muted:#59667f;
      --line:#dbe2ef;
      --primary:#5b5ee6;
      --primary-2:#7b61ff;
      --accent:#0ea5e9;
      --gold:#f5b84b;
      --shadow:0 14px 40px rgba(38,51,97,.10);
      --radius:18px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(91,94,230,.10), transparent 26%),
        radial-gradient(circle at top right, rgba(14,165,233,.10), transparent 22%),
        linear-gradient(180deg, #ffffff 0%, #f7f9ff 42%, #f5f7fb 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    header{
      position:sticky;top:0;z-index:30;
      background:rgba(255,255,255,.84);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(219,226,239,.8);
    }
    .nav{
      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 img{width:40px;height:40px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(91,94,230,.12)}
    .brand strong{display:block;font-size:1.02rem;line-height:1.2}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.95rem;color:#31405a;padding:8px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover,.nav-links a:focus{background:#eef2ff;color:var(--primary);outline:none}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 16px;border-radius:999px;border:1px solid transparent;
      font-weight:700;font-size:.95rem;transition:.25s ease;cursor:pointer;
      box-shadow:0 10px 24px rgba(91,94,230,.16);
    }
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}
    .btn-secondary{background:#fff;color:var(--primary);border-color:#d8ddff}
    .btn:hover{transform:translateY(-2px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);color:var(--text);padding:10px 12px;border-radius:12px}
    main{display:block}
    section{padding:74px 0}
    .hero{padding:56px 0 46px}
    .hero-wrap{
      position:relative;
      background:
        linear-gradient(135deg, rgba(91,94,230,.10), rgba(14,165,233,.08)),
        linear-gradient(180deg,#ffffff 0%, #f7f9ff 100%);
      border:1px solid rgba(219,226,239,.9);
      border-radius:28px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-wrap::before,.hero-wrap::after{
      content:"";position:absolute;border-radius:50%;pointer-events:none;
      background:radial-gradient(circle, rgba(123,97,255,.22), transparent 65%);
      filter:blur(10px);
      animation:float 9s ease-in-out infinite;
    }
    .hero-wrap::before{width:280px;height:280px;right:-90px;top:-70px}
    .hero-wrap::after{width:200px;height:200px;left:-60px;bottom:-80px;animation-delay:-3s}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;
      padding:34px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:#eff3ff;color:var(--primary);
      font-weight:700;font-size:.9rem;
    }
    h1{margin:18px 0 14px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:1.04rem;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#39455f;font-size:.9rem}
    .hero-card{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(243,246,255,.92));
      border:1px solid rgba(219,226,239,.95);
      border-radius:22px;padding:20px;box-shadow:0 16px 34px rgba(38,51,97,.08);
      position:relative;overflow:hidden;
    }
    .hero-card h2{margin:0 0 10px;font-size:1.12rem}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{
      background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;
      min-height:92px;
    }
    .stat strong{display:block;font-size:1.45rem;color:var(--primary);line-height:1.1}
    .stat span{display:block;margin-top:6px;color:var(--muted);font-size:.92rem}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
    .section-head h2{margin:0;font-size:clamp(1.5rem,2.4vw,2.2rem);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(219,226,239,.95);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:0 10px 30px rgba(38,51,97,.06);
      transition:.25s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 16px 42px rgba(38,51,97,.11)}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted)}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg, rgba(91,94,230,.13), rgba(14,165,233,.12));
      color:var(--primary);font-weight:800;
    }
    .list{padding-left:18px;margin:12px 0 0}
    .list li{margin:6px 0}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{
      position:relative;padding:20px 18px 18px;border-radius:20px;background:#fff;
      border:1px solid var(--line);box-shadow:0 10px 26px rgba(38,51,97,.05)
    }
    .step .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:#eff3ff;color:var(--primary);font-weight:800}
    .step h3{margin:14px 0 8px}
    .compare{
      overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)
    }
    table{width:100%;border-collapse:collapse;min-width:900px}
    th,td{padding:15px 16px;border-bottom:1px solid #e8edf6;text-align:left;vertical-align:top}
    th{background:#f6f8ff;color:#29344b;font-size:.95rem}
    tr:last-child td{border-bottom:none}
    .highlight{color:var(--primary);font-weight:800}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#33415d}
    .pricing{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:stretch}
    .price-box{
      border-radius:22px;padding:22px;background:linear-gradient(135deg,#ffffff,#f3f6ff);
      border:1px solid var(--line)
    }
    .price-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed #dfe6f3}
    .price-row:last-child{border-bottom:none}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .review small{color:var(--muted)}
    .stars{color:#ffb400;letter-spacing:2px;font-size:1rem}
    .faq{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 18px;box-shadow:0 8px 24px rgba(38,51,97,.04)
    }
    summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;color:#1d2940}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted)}
    .timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .tl{position:relative;padding:20px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .tl .mark{display:inline-flex;padding:7px 10px;border-radius:999px;background:#eef8ff;color:#0e7490;font-size:.88rem;font-weight:700}
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
      background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1 / -1}
    label{font-weight:700;font-size:.95rem}
    input,select,textarea{
      width:100%;border:1px solid #d7deea;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);background:#fbfcff;
      outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(91,94,230,.65);box-shadow:0 0 0 4px rgba(91,94,230,.10)}
    textarea{min-height:122px;resize:vertical}
    .aside-box{
      border:1px solid var(--line);border-radius:24px;background:
      linear-gradient(180deg, rgba(245,248,255,.95), rgba(255,255,255,.95));
      padding:22px;box-shadow:var(--shadow)
    }
    .footer{
      padding:28px 0 24px;background:#f3f6ff;border-top:1px solid #dfe6f3;color:#24314a
    }
    .footer a{color:#24314a}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px;align-items:start}
    .muted{color:var(--muted)}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .floating{
      position:fixed;right:16px;bottom:18px;z-index:40;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:48px;height:48px;border:none;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;box-shadow:0 14px 26px rgba(91,94,230,.22);display:grid;place-items:center;cursor:pointer;
    }
    .floating .top{background:#fff;color:var(--primary);border:1px solid var(--line)}
    .mobile-panel{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
    .reveal.show{opacity:1;transform:none}
    .media-frame{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .media-frame img{border-radius:18px;border:1px solid var(--line);box-shadow:0 10px 26px rgba(38,51,97,.08)}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article-list a{display:block}
    .center{text-align:center}
    .subtle{font-size:.92rem;color:var(--muted)}
    @keyframes float{50%{transform:translateY(14px)}}
    @media (max-width: 1080px){
      .hero-grid,.pricing,.footer-grid,.grid-3,.grid-2,.reviews,.timeline,.article-list,.media-frame,.workflow{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      table{min-width:760px}
    }
    @media (max-width: 860px){
      .nav-links,.nav-actions .btn-secondary{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{display:none;padding:0 0 16px}
      .mobile-panel.open{display:block}
      .mobile-panel .nav-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:8px}
      .mobile-panel .nav-links a{background:#fff;border:1px solid var(--line);text-align:center}
      .hero-wrap{border-radius:22px}
      .hero-grid{padding:22px}
      section{padding:56px 0}
      .form{grid-template-columns:1fr}
    }