:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f8fbff;
      --ink:#0f172a;
      --muted:#4b5563;
      --line:#dbe3ef;
      --accent:#ff5a5f;
      --accent-2:#2f6bff;
      --accent-3:#18b7a3;
      --warm:#ffcf5c;
      --shadow:0 20px 50px rgba(15,23,42,.10);
      --radius:22px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(1200px 700px at 10% -10%, rgba(255,90,95,.18), transparent 55%),
        radial-gradient(900px 500px at 95% 0%, rgba(47,107,255,.16), transparent 42%),
        linear-gradient(180deg, #ffffff 0%, #f7f9fd 30%, #f5f7fb 100%);
      line-height:1.6;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,255,255,.78);
      border-bottom:1px solid rgba(219,227,239,.8);
    }
    .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:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 10px 30px rgba(15,23,42,.08)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;color:var(--ink);
      border-radius:14px;padding:10px 12px;font-weight:700
    }
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px}
    .nav-links a{
      padding:9px 12px;border-radius:999px;color:#243042;font-size:14px;
      transition:.2s ease;background:transparent
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:#eef3ff;color:#17328a;outline:none}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:16px;border:1px solid transparent;
      font-weight:700;transition:.25s ease;cursor:pointer;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff7d41);color:#fff;box-shadow:0 14px 34px rgba(255,90,95,.28)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,90,95,.34)}
    .btn-secondary{background:#fff;color:#16315f;border-color:var(--line)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:#b8c6e8;box-shadow:var(--shadow)}
    main{padding-bottom:24px}
    .hero{padding:34px 0 18px}
    .hero-grid{
      display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch
    }
    .hero-copy,.hero-side,.card,.section,.quote,.faq-item,.form-box{
      background:rgba(255,255,255,.9);border:1px solid rgba(219,227,239,.95);
      box-shadow:var(--shadow);border-radius:var(--radius)
    }
    .hero-copy{padding:28px;position:relative;overflow:hidden}
    .hero-copy:before,.hero-copy:after{
      content:"";position:absolute;border-radius:999px;pointer-events:none
    }
    .hero-copy:before{width:180px;height:180px;background:rgba(47,107,255,.12);right:-40px;top:-50px}
    .hero-copy:after{width:140px;height:140px;background:rgba(255,90,95,.11);left:-40px;bottom:-40px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#eef4ff;color:#2142a5;font-weight:700;font-size:13px}
    h1{margin:14px 0 12px;font-size:clamp(32px,5vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:17px;color:var(--muted);max-width:60ch;margin:0 0 20px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini{
      padding:14px 14px 13px;border-radius:18px;background:linear-gradient(180deg,#fbfcff,#f4f8ff);
      border:1px solid #dbe4f3
    }
    .mini strong{display:block;font-size:20px;color:#0d2447}
    .mini span{display:block;font-size:13px;color:var(--muted)}
    .hero-side{padding:18px;display:grid;gap:14px}
    .side-card{
      border-radius:18px;padding:16px;border:1px solid #e2e8f5;background:linear-gradient(180deg,#fff,#f7faff)
    }
    .side-card h3{margin:0 0 8px;font-size:16px}
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff3f3;color:#8b1f22;border:1px solid #ffd2d4;font-size:13px}
    .tag.alt{background:#eef5ff;color:#1c418a;border-color:#d9e4ff}
    .tag.green{background:#eefcf8;color:#0f6f5f;border-color:#cdf0e4}
    .section{padding:28px;margin-top:18px}
    .section h2{margin:0 0 10px;font-size:28px;line-height:1.15}
    .section .sub{margin:0 0 20px;color:var(--muted);max-width:80ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{padding:18px}
    .card h3{margin:0 0 8px;font-size:17px}
    .card p{margin:0;color:var(--muted);font-size:14px}
    .metric{font-size:30px;font-weight:800;line-height:1;margin-bottom:8px;background:linear-gradient(135deg,#0f172a,#2f6bff);-webkit-background-clip:text;background-clip:text;color:transparent}
    .steps{counter-reset:step}
    .step{position:relative;padding-top:34px}
    .step:before{
      counter-increment:step;content:counter(step);
      position:absolute;top:16px;left:16px;width:28px;height:28px;border-radius:50%;
      background:linear-gradient(135deg,var(--accent),#ff8b4d);color:#fff;font-weight:800;
      display:grid;place-items:center;font-size:14px
    }
    .step h3{padding-left:0}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid #dce4f2;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 14px;border-bottom:1px solid #ebeff7;text-align:left;vertical-align:top;font-size:14px}
    th{background:#f6f9ff;color:#17315d;font-size:14px}
    tbody tr:hover{background:#fbfdff}
    .badge{
      display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
      background:#eef9f4;color:#0e6d4f;font-weight:700;font-size:12px
    }
    .badge.hot{background:#fff1f1;color:#b12428}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;text-align:left;border:none;background:transparent;color:var(--ink);
      padding:18px 18px;font-weight:800;font-size:15px;display:flex;justify-content:space-between;gap:12px;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:220px}
    .faq-q span:last-child{transition:.2s ease}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{padding:18px}
    .quote .role{color:#1f4dbf;font-weight:800;font-size:13px;margin-bottom:8px}
    .quote p{margin:0 0 10px;color:#334155}
    .quote .name{font-size:13px;color:var(--muted)}
    .news,.links{display:grid;gap:12px}
    .news a,.links a{padding:12px 14px;border-radius:16px;background:#f8fbff;border:1px solid #e1e8f4;color:#193256}
    .news a:hover,.links a:hover{border-color:#c8d7f2;transform:translateY(-1px)}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .form-box{padding:18px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:6px}
    label{font-size:14px;font-weight:700;color:#23314d}
    input,select,textarea{
      width:100%;padding:12px 13px;border-radius:14px;border:1px solid #ced8ea;background:#fff;color:var(--ink);
      font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#7da4ff;box-shadow:0 0 0 4px rgba(47,107,255,.1)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:18px;padding:22px 0 26px;border-top:1px solid rgba(219,227,239,.9);background:#f8fbff;color:#16243d
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .8fr;gap:18px}
    .footer small,.footer p,.footer a{color:#38506f}
    .footer h3{margin:0 0 10px;font-size:16px;color:#13233f}
    .kefu-float{
      position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;border:none;background:linear-gradient(135deg,var(--accent-2),#6a8cff);color:#fff;
      box-shadow:0 14px 34px rgba(47,107,255,.30);display:grid;place-items:center;font-weight:900
    }
    .float-panel{
      position:absolute;right:0;bottom:62px;width:min(300px,calc(100vw - 36px));padding:14px;border-radius:18px;
      background:#fff;border:1px solid #dce4f2;box-shadow:var(--shadow);display:none
    }
    .kefu-float.open .float-panel{display:block}
    .float-panel img{width:100%;border-radius:14px;border:1px solid #e6ecf7;background:#fff}
    .float-panel .meta{margin-top:10px;font-size:13px;color:var(--muted)}
    .backtop{
      width:52px;height:52px;border-radius:18px;border:1px solid #d5def0;background:#fff;color:#18315a;
      box-shadow:var(--shadow);display:grid;place-items:center;font-weight:900
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.show{opacity:1;transform:none}
    .marquee{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:14px
    }
    .chip{padding:8px 12px;border-radius:999px;border:1px solid #dbe4f2;background:#fff;font-size:13px;color:#22334d}
    .compare-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.footer-grid,.grid-4,.reviews{grid-template-columns:1fr 1fr}
      .grid-3{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:20px;right:20px;top:68px;padding:14px;
        background:#fff;border:1px solid #dbe3ef;border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .nav-links.open{display:flex}
      .nav{position:relative}
      .nav-cta{display:none}
      .hero-grid,.two-col,.footer-grid,.grid-4,.reviews,.grid-3{grid-template-columns:1fr}
      .hero-copy,.hero-side,.section{padding:20px}
      .hero-points{grid-template-columns:1fr}
      h1{font-size:30px}
      .section h2{font-size:24px}
      .kefu-float{right:12px;bottom:12px}
    }