:root{
      --bg:#f6f7fb;
      --panel:#ffffff;
      --panel-2:#fdf4ea;
      --text:#182235;
      --muted:#5f6b82;
      --line:#e7eaf2;
      --brand:#ff5d3a;
      --brand-2:#2f6bff;
      --brand-3:#11b4a6;
      --shadow:0 18px 40px rgba(24,34,53,.10);
      --shadow-soft:0 10px 24px rgba(24,34,53,.08);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at 10% 10%, rgba(47,107,255,.10), transparent 24%),
        radial-gradient(circle at 90% 15%, rgba(255,93,58,.10), transparent 22%),
        linear-gradient(180deg,#fff 0%, #f7f8fc 28%, #f5f7fb 100%);
      color:var(--text);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.82);
      border-bottom:1px solid rgba(231,234,242,.9);
    }
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:var(--shadow-soft)}
    .brand .name{font-weight:800;font-size:18px;letter-spacing:.4px}
    .brand .sub{font-size:12px;color:var(--muted)}
    .nav-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .btn,.ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 16px;border-radius:999px;border:1px solid transparent;
      font-weight:700;transition:.22s ease;cursor:pointer;white-space:nowrap
    }
    .btn{background:linear-gradient(135deg,var(--brand),#ff8c3a);color:#fff;box-shadow:0 10px 22px rgba(255,93,58,.22)}
    .btn:hover,.ghost:hover,.card:hover,.review:hover,.feature:hover,.step:hover,.case:hover{transform:translateY(-3px)}
    .ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .menu{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .menu a{font-size:14px;color:var(--muted);font-weight:600}
    .menu a:hover{color:var(--text)}
    main{display:block}
    section{padding:54px 0}
    .hero{padding:36px 0 42px;position:relative;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy{
      padding:30px;border-radius:28px;background:
      linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,247,239,.96));
      border:1px solid rgba(231,234,242,.9);box-shadow:var(--shadow);position:relative;overflow:hidden
    }
    .hero-copy:before,.hero-copy:after{
      content:"";position:absolute;border-radius:999px;filter:blur(0);
      background:linear-gradient(135deg,rgba(47,107,255,.16),rgba(47,107,255,0));
      width:220px;height:220px;right:-80px;top:-70px
    }
    .hero-copy:after{background:linear-gradient(135deg,rgba(255,93,58,.18),rgba(255,93,58,0));right:30px;top:auto;bottom:-110px;width:260px;height:260px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#8a4e17;background:#fff;border:1px solid #f0d3c6;padding:7px 12px;border-radius:999px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(30px,4.6vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:16px;color:var(--muted);max-width:58ch;margin:0 0 18px}
    .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
    .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow-soft)}
    .stat strong{display:block;font-size:24px;line-height:1;color:var(--text)}
    .stat span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-card{background:linear-gradient(180deg,#fff, #fffaf5);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow-soft)}
    .side-card h3{margin:0 0 10px;font-size:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#f3f6ff;border:1px solid #dbe5ff;color:#25408f;font-size:13px;font-weight:600}
    .mini-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .mini-list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px}
    .mini-list li:before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand-2),var(--brand));margin-top:7px;flex:none}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:14px;margin-bottom:20px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,36px)}
    .section-head p{margin:0;color:var(--muted);max-width:64ch}
    .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,.feature,.step,.review,.case,.faq-item,.form-card,.info-card{
      background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);transition:.22s ease
    }
    .card,.feature,.step,.review,.case{padding:20px}
    .kpi{font-size:13px;color:var(--muted);margin-bottom:10px}
    .feature h3,.step h3,.case h3,.review h3{margin:0 0 8px;font-size:18px}
    .feature p,.step p,.case p,.review p{margin:0;color:var(--muted)}
    .accent{color:var(--brand);font-weight:800}
    .panel-soft{background:linear-gradient(180deg,#fff,#fff7f1)}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative}
    .step .num{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand-2),#8b7cff);color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow-soft)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
    th{background:#fff8f2;color:var(--text)}
    td{color:var(--muted)}
    .good{color:#0f8c65;font-weight:700}
    .bad{color:#b8472f;font-weight:700}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;color:var(--text)}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .answer{padding:0 20px 18px;color:var(--muted)}
    .faq-item[open]{border-color:#d9e3ff}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review .role{color:var(--brand-2);font-weight:700;font-size:13px;margin-bottom:10px}
    .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chip{font-size:12px;padding:6px 10px;border-radius:999px;background:#f2f5fb;color:#42506d}
    .news-list{display:grid;gap:12px}
    .news-item{padding:16px 18px;border-radius:18px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;align-items:center}
    .news-item span{color:var(--muted);font-size:13px}
    .links{display:flex;flex-wrap:wrap;gap:10px}
    .links a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text)}
    .form-card{padding:22px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:13px;font-weight:700;color:var(--text)}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid #dfe5f0;border-radius:14px;background:#fff;color:var(--text);
      font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#8ab0ff;box-shadow:0 0 0 4px rgba(47,107,255,.10)}
    textarea{min-height:130px;resize:vertical}
    .full{grid-column:1/-1}
    .submit-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:10px}
    footer{padding:28px 0 20px;background:#121a2b;color:#e8ecf6;margin-top:8px}
    footer a{color:#ffffff}
    footer .muted{color:#b8c2d8}
    .foot-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
    .foot-box{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:18px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--brand),#ff8c3a);color:#fff;box-shadow:0 10px 22px rgba(255,93,58,.24)
    }
    .float-btn.secondary{background:linear-gradient(135deg,var(--brand-2),#4f7cff)}
    .sidebar{
      position:fixed;inset:0 0 auto 0;top:68px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);
      transform:translateY(-120%);transition:.24s ease;z-index:49
    }
    .sidebar.open{transform:translateY(0)}
    .sidebar .menu{padding:16px 0;display:grid;grid-template-columns:repeat(2,1fr)}
    .sidebar .menu a{padding:10px 0;border-bottom:1px dashed #edf0f5}
    .fade-in{opacity:0;transform:translateY(16px);transition:.7s ease}
    .fade-in.show{opacity:1;transform:translateY(0)}
    .subtle-note{font-size:13px;color:var(--muted)}
    .hr{height:1px;background:linear-gradient(90deg,transparent,#e3e7f0,transparent);margin:14px 0}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.workflow,.reviews,.cases,.foot-grid,.form-grid{grid-template-columns:1fr}
      .menu{display:none}
      .menu-btn{display:inline-flex}
      .stats{grid-template-columns:1fr 1fr}
      .section-head{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 640px){
      section{padding:42px 0}
      .hero{padding-top:22px}
      .hero-copy,.side-card,.form-card{padding:18px}
      .stats{grid-template-columns:1fr}
      .nav{padding:12px 0}
      .brand .sub{display:none}
      .nav-actions .ghost{display:none}
      .floating{right:12px;bottom:12px}
      .float-btn{width:48px;height:48px;border-radius:14px}
    }