:root{
      --bg:#f7f6f2;
      --bg2:#ffffff;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5f6b7a;
      --line:#e7e2d8;
      --brand:#4f7cff;
      --brand2:#8a5cff;
      --brand3:#17b8a6;
      --warm:#ffb65c;
      --shadow:0 16px 40px rgba(30,41,59,.08);
      --shadow2:0 10px 24px rgba(79,124,255,.14);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Arial,sans-serif;
      background:
        radial-gradient(circle at top left, rgba(79,124,255,.10), transparent 28%),
        radial-gradient(circle at 92% 10%, rgba(135,92,255,.10), transparent 22%),
        linear-gradient(180deg, #fbfaf7 0%, var(--bg) 36%, #f8f8fb 100%);
      color:var(--text);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{
      width:min(100% - 32px, var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;top:0;z-index:30;
      backdrop-filter: blur(16px);
      background:rgba(247,246,242,.82);
      border-bottom:1px solid rgba(231,226,216,.78);
    }
    .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;box-shadow:var(--shadow)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:flex-end}
    .nav-links a,.nav-links button{
      border:1px solid transparent;
      background:transparent;color:var(--text);
      padding:9px 12px;border-radius:999px;font-size:14px;cursor:pointer;
      transition:.2s ease;
    }
    .nav-links a:hover,.nav-links button:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow)}
    .nav-cta{
      background:linear-gradient(135deg,var(--brand),var(--brand2)) !important;
      color:#fff !important;border-color:transparent !important;box-shadow:var(--shadow2)
    }
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:12px}
    .hero{
      padding:28px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(231,226,216,.95);
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(245,248,255,.92)),
        radial-gradient(circle at 18% 20%, rgba(79,124,255,.18), transparent 24%),
        radial-gradient(circle at 86% 18%, rgba(255,182,92,.18), transparent 22%);
      border-radius:30px;
      box-shadow:var(--shadow);
      padding:30px;
    }
    .hero-shell:before,.hero-shell:after{
      content:"";position:absolute;border-radius:999px;filter:blur(4px);pointer-events:none
    }
    .hero-shell:before{width:240px;height:240px;background:rgba(79,124,255,.12);right:-70px;top:-90px}
    .hero-shell:after{width:170px;height:170px;background:rgba(23,184,166,.12);left:-40px;bottom:-60px}
    .hero-grid{
      position:relative;z-index:1;
      display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(79,124,255,.08);
      color:#3557c7;border:1px solid rgba(79,124,255,.14);
      padding:8px 12px;border-radius:999px;font-size:13px;font-weight:600;
    }
    h1{margin:16px 0 12px;font-size:clamp(32px,5vw,54px);line-height:1.06;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:64ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;
      transition:.22s ease;cursor:pointer;min-height:48px
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow2)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-stats{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px
    }
    .stat{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(231,226,216,.95);
      border-radius:22px;padding:18px;box-shadow:0 8px 24px rgba(31,41,55,.05)
    }
    .stat strong{display:block;font-size:26px;line-height:1.1;margin-bottom:6px}
    .stat span{color:var(--muted);font-size:13px;line-height:1.6}
    .section{padding:18px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px
    }
    .section-head h2{margin:0;font-size:clamp(22px,3vw,32px)}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{
      background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.88));
      border:1px solid rgba(231,226,216,.96);
      border-radius:var(--radius);
      box-shadow:0 10px 28px rgba(31,41,55,.05);
      padding:20px;
      transition:.24s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{
      display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;
      background:rgba(79,124,255,.08);border:1px solid rgba(79,124,255,.12);color:#3350b7;font-size:13px
    }
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .feature-list{display:grid;gap:14px;margin:0;padding:0;list-style:none}
    .feature-item{
      display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .icon{
      width:38px;height:38px;flex:none;border-radius:12px;
      background:linear-gradient(135deg, rgba(79,124,255,.14), rgba(23,184,166,.14));
      display:grid;place-items:center;color:#3557c7;font-weight:800
    }
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;
      background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px
    }
    .step-no{
      display:grid;place-items:center;
      width:72px;height:72px;border-radius:20px;color:#fff;font-weight:800;
      background:linear-gradient(135deg,var(--brand),var(--brand2));
      box-shadow:var(--shadow2)
    }
    .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:760px}
    th,td{padding:16px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#fafbff;color:#24324a;font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .score{
      display:flex;flex-wrap:wrap;align-items:center;gap:12px
    }
    .score-badge{
      background:linear-gradient(135deg,#ffbd59,#ff7f50);
      color:#fff;border-radius:999px;padding:8px 14px;font-weight:800
    }
    .rating{
      display:flex;gap:4px;color:#ffb400;font-size:18px;letter-spacing:1px
    }
    .quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{position:relative}
    .quote:before{
      content:"“";position:absolute;top:10px;right:18px;font-size:58px;color:rgba(79,124,255,.12);font-family:serif
    }
    .quote .meta{display:flex;align-items:center;gap:10px;margin-top:14px;color:var(--muted);font-size:13px}
    .avatar{
      width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(79,124,255,.16), rgba(255,182,92,.18));font-weight:800;color:#314fbb
    }
    .articles,.links-cloud,.faq-list{display:grid;gap:12px}
    .article{
      display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .article small{color:#7a8491}
    .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .form{
      display:grid;gap:12px
    }
    .field{
      display:grid;gap:8px
    }
    label{font-size:14px;color:#334155;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid #dfe5ee;background:#fff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s ease
    }
    textarea{min-height:126px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(79,124,255,.55);box-shadow:0 0 0 4px rgba(79,124,255,.10)}
    .submit{
      background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff;border:0;padding:14px 18px;border-radius:14px;font-weight:800;cursor:pointer;
      box-shadow:var(--shadow2)
    }
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 16px;overflow:hidden
    }
    summary{
      list-style:none;cursor:pointer;padding:16px 0;font-weight:700;color:#24324a
    }
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted);line-height:1.8}
    .footer{
      margin-top:18px;padding:22px 0 26px;border-top:1px solid rgba(231,226,216,.9);
      background:rgba(255,255,255,.55)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer a{color:#334155}
    .foot-note{color:#6b7280;font-size:13px;line-height:1.8}
    .float{
      position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px
    }
    .float a,.float button{
      width:52px;height:52px;border-radius:16px;border:0;display:grid;place-items:center;cursor:pointer;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow2)
    }
    .kefu{
      position:fixed;left:16px;bottom:16px;z-index:40;
      background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:14px;width:132px
    }
    .kefu img{border-radius:14px;margin-bottom:8px}
    .kefu span{display:block;font-size:12px;color:var(--muted);line-height:1.5;text-align:center}
    .mobile-panel{display:none}
    .fade-in{opacity:0;transform:translateY(16px);transition:.7s ease}
    .fade-in.in-view{opacity:1;transform:none}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#415166;font-size:13px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .mini{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px
    }
    .mini strong{display:block;font-size:20px;margin-bottom:6px}
    .mini span{color:var(--muted);font-size:13px;line-height:1.6}
    @media (max-width: 980px){
      .hero-grid,.two-col,.contact-grid,.footer-grid,.grid-4,.grid-3,.quote-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .nav-links{display:none}
      .menu-btn{display:inline-grid}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.open{display:block}
      .mobile-panel .nav-links{display:flex;flex-direction:column;align-items:stretch}
      .mobile-panel .nav-links a,.mobile-panel .nav-links button{justify-content:flex-start}
      .hero-shell{padding:22px}
      .kefu{width:116px}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 20px, var(--container))}
      .hero{padding-top:18px}
      .hero-shell{border-radius:24px}
      h1{font-size:30px}
      .hero-stats,.mini-grid{grid-template-columns:1fr}
      .step{grid-template-columns:1fr}
      .step-no{width:58px;height:58px;border-radius:16px}
      .float{right:10px;bottom:10px}
      .kefu{left:10px;bottom:10px}
    }