:root{
      --bg:#f6f7fb;
      --card:#ffffff;
      --card2:#fbfbff;
      --text:#172033;
      --muted:#5f6b84;
      --line:#dde4f2;
      --brand:#4e68ff;
      --brand2:#ff6b6b;
      --brand3:#6bd4ff;
      --accent:#ffb84d;
      --shadow:0 12px 34px rgba(34,52,84,.09);
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(78,104,255,.12), transparent 24%),
        radial-gradient(circle at top right, rgba(255,107,107,.10), transparent 22%),
        radial-gradient(circle at 70% 20%, rgba(107,212,255,.12), transparent 18%),
        linear-gradient(180deg, #fcfdff 0%, #f5f7fc 100%);
    }
    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:saturate(140%) blur(10px);
      background:rgba(246,247,251,.82);
      border-bottom:1px solid rgba(221,228,242,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .logo-wrap{
      width:46px;height:46px;border-radius:14px;background:#fff;display:grid;place-items:center;
      box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;flex:0 0 auto;
    }
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;line-height:1.2}
    .brand-text span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-toggle{
      display:none;border:1px solid var(--line);background:#fff;color:var(--text);
      border-radius:12px;padding:10px 12px;font-size:14px
    }
    .nav-links{
      display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end
    }
    .nav-links a{
      font-size:14px;color:#314059;padding:8px 4px;position:relative;white-space:nowrap
    }
    .nav-links a::after{
      content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));
      transition:.25s ease;border-radius:99px
    }
    .nav-links a:hover::after{width:100%}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#7a5cff);color:#fff;box-shadow:0 14px 26px rgba(78,104,255,.22)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .hero{padding:34px 0 18px;position:relative}
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch
    }
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.table-wrap,.form-wrap{
      background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(251,251,255,.98));
      border:1px solid rgba(221,228,242,.88);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-main{padding:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(78,104,255,.08);color:#3451d8;font-size:13px;font-weight:700
    }
    h1{font-size:clamp(32px,4vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:58ch;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini-stat{
      padding:14px 16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f9fbff);
      border:1px solid var(--line)
    }
    .mini-stat strong{display:block;font-size:18px;margin-bottom:6px}
    .mini-stat span{font-size:13px;color:var(--muted);line-height:1.5}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-box{
      border-radius:18px;padding:18px;background:
      linear-gradient(135deg, rgba(78,104,255,.10), rgba(255,184,77,.10));
      border:1px solid rgba(78,104,255,.12)
    }
    .side-box h3{margin:0 0 10px;font-size:18px}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      font-size:13px;color:#2d3954
    }
    .section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:70ch;line-height:1.8}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .card{padding:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.8}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg,rgba(78,104,255,.12),rgba(255,107,107,.10));color:#3047d0;font-weight:800
    }
    .workflow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
    .step{
      padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);position:relative;overflow:hidden
    }
    .step .num{font-size:13px;color:#3550d7;font-weight:800;margin-bottom:10px}
    .step h3{margin:0 0 8px;font-size:17px}
    .step p{margin:0;color:var(--muted);line-height:1.75}
    .compare{
      width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:18px
    }
    .compare th,.compare td{
      padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left;font-size:14px
    }
    .compare thead th{background:#f4f7ff;color:#203050}
    .compare tbody tr:last-child td{border-bottom:0}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(78,104,255,.10);color:#3650db;font-size:12px;font-weight:700}
    .section-bg{position:relative}
    .section-bg::before{
      content:"";position:absolute;inset:auto 0 0 0;height:100%;pointer-events:none;
      background:
        radial-gradient(circle at 15% 20%, rgba(255,107,107,.06), transparent 22%),
        radial-gradient(circle at 85% 18%, rgba(78,104,255,.07), transparent 20%);
      border-radius:28px
    }
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;padding:18px 18px;background:transparent;border:0;color:var(--text);font-size:16px;
      display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left
    }
    .faq-q span{font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .quote{padding:20px}
    .quote .who{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
    .quote strong{font-size:16px}
    .quote small{color:var(--muted)}
    .quote p{margin:0;color:#38465f;line-height:1.8}
    .articles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .article{
      padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line)
    }
    .article h3{margin:0 0 10px;font-size:18px}
    .article p{margin:0 0 12px;color:var(--muted);line-height:1.8}
    .article a{color:#3550d7;font-weight:700}
    .media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .media-grid img,.case-img img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:start}
    .case-img{display:grid;gap:14px}
    .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);font-size:13px;color:#314059
    }
    .form-wrap{padding:22px}
    form{display:grid;gap:12px}
    .field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:#2d3954}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;
      color:var(--text);font:inherit;outline:none
    }
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#8ea1ff;box-shadow:0 0 0 4px rgba(78,104,255,.10)}
    .footer{
      margin-top:16px;padding:24px 0 34px;border-top:1px solid rgba(221,228,242,.85);
      background:linear-gradient(180deg,rgba(247,249,253,.7),rgba(243,246,252,.92))
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer p,.footer a,.footer li{color:#4a5875}
    .footer h3,.footer h4{margin:0 0 12px;color:#18233a}
    .footer ul{margin:0;padding-left:18px}
    .footer li{margin:8px 0;line-height:1.6}
    .footer-bottom{
      display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
      color:#5c6985;font-size:13px
    }
    .float-box{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-box a,.to-top{
      width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#7f6cff);color:#fff;border:0;box-shadow:0 12px 26px rgba(78,104,255,.26);cursor:pointer
    }
    .to-top{opacity:0;pointer-events:none;transition:.25s ease}
    .to-top.show{opacity:1;pointer-events:auto}
    .top-note{font-size:13px;color:var(--muted);line-height:1.7}
    .mobile-only{display:none}
    .subtle{
      background:linear-gradient(135deg, rgba(78,104,255,.06), rgba(255,184,77,.08));
      border:1px solid rgba(78,104,255,.09)
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.case-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.workflow,.reviews{grid-template-columns:repeat(2,minmax(0,1fr))}
      .grid-3,.articles,.grid-2,.media-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:70px;flex-direction:column;align-items:stretch;
        background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 10px;border-radius:12px;background:#f8faff}
      .hero{padding-top:18px}
      .hero-main{padding:22px}
      .section-head{flex-direction:column;align-items:flex-start}
      .grid-4,.workflow,.reviews,.field-grid{grid-template-columns:1fr}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .table-scroll{overflow-x:auto}
      .compare{min-width:860px}
      .container{width:min(var(--container), calc(100% - 24px))}
    }