:root{
      --bg:#f5f8ff;
      --bg2:#eef4ff;
      --card:#ffffff;
      --line:#dbe5ff;
      --text:#123;
      --muted:#54627a;
      --blue:#0f4ccf;
      --blue2:#2d7dff;
      --accent:#ff8a2a;
      --shadow:0 14px 36px rgba(15,76,207,.10);
      --radius:20px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,#f8fbff 0%,#eef4ff 45%,#f7f9fe 100%);line-height:1.7}
    a{color:var(--blue);text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:40;background:rgba(248,251,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,229,255,.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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 18px rgba(15,76,207,.12)}
    .brand .name{font-weight:800;font-size:1.08rem;letter-spacing:.5px}
    .brand .sub{font-size:.82rem;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:.95rem;color:#27406d;padding:8px 10px;border-radius:10px}
    .menu a:hover,.menu a:focus{background:#eaf1ff;color:var(--blue)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--blue) 0%,var(--blue2) 100%);color:#fff;box-shadow:0 12px 24px rgba(15,76,207,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(15,76,207,.26)}
    .btn-soft{background:#eaf1ff;color:var(--blue)}
    .btn-soft:hover{background:#dde8ff;transform:translateY(-2px)}
    .nav-toggle{display:none;background:#eaf1ff;border:1px solid #d7e3ff;color:var(--blue);width:44px;height:44px;border-radius:14px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-panel{position:relative;overflow:hidden;background:linear-gradient(135deg,#0d43bb 0%,#1258e0 48%,#2b86ff 100%);color:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow)}
    .hero-panel:before,.hero-panel:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.12);filter:blur(2px)}
    .hero-panel:before{width:220px;height:220px;right:-70px;top:-40px}
    .hero-panel:after{width:160px;height:160px;right:130px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.14);font-weight:700;font-size:.9rem}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.12}
    .hero-panel p{margin:0;max-width:34rem;font-size:1.02rem;color:rgba(255,255,255,.92)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .chip{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:.92rem}
    .hero-side{display:grid;gap:14px}
    .mini-card{background:rgba(255,255,255,.88);border:1px solid rgba(219,229,255,.95);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
    .mini-card h3{margin:0 0 8px;font-size:1rem}
    .mini-card p{margin:0;color:var(--muted);font-size:.95rem}
    .stats{padding:10px 0 28px}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
    .stat b{display:block;font-size:1.55rem;color:var(--blue)}
    .stat span{color:var(--muted);font-size:.92rem}
    section{padding:18px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:1.6rem}
    .section-head p{margin:0;color:var(--muted);max-width:42rem}
    .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{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(15,76,207,.14)}
    .card h3{margin:0 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e8f1ff,#d9e7ff);color:var(--blue);font-weight:800;margin-bottom:12px}
    .list{display:grid;gap:12px;margin:0;padding-left:18px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{background:linear-gradient(180deg,#fff 0%,#f6f9ff 100%);border:1px solid var(--line);border-radius:22px;padding:18px;position:relative}
    .step .num{font-weight:800;color:var(--blue);font-size:1.1rem}
    .step:after{content:"";position:absolute;right:16px;top:16px;width:38px;height:38px;border-radius:50%;background:radial-gradient(circle at 30% 30%, rgba(45,125,255,.18), transparent 70%)}
    .table-wrap{overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf2ff;text-align:left;vertical-align:top}
    th{background:#f5f8ff;color:#27406d}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#eaf1ff;color:var(--blue);font-size:.84rem;font-weight:700}
    .compare-highlight{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .rating{background:linear-gradient(135deg,#0d43bb,#2b86ff);color:#fff}
    .rating .badge{background:rgba(255,255,255,.14);color:#fff}
    .faq{display:grid;gap:12px}
    details{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:var(--shadow)}
    summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted)}
    .testimonial{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow)}
    .quote .meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#dfe9ff,#b9d0ff)}
    .quote strong{display:block}
    .quote small{color:var(--muted)}
    .news-list{display:grid;gap:12px}
    .news-item{display:flex;justify-content:space-between;gap:16px;padding:16px 18px;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .news-item span{color:var(--muted)}
    .form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;font-size:.94rem}
    input,select,textarea{width:100%;border:1px solid #d7e3ff;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s}
    input:focus,select:focus,textarea:focus{border-color:var(--blue2);box-shadow:0 0 0 4px rgba(45,125,255,.12)}
    textarea{min-height:128px;resize:vertical}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    footer{margin-top:8px;background:#0d2f82;color:#e9f1ff}
    footer .container{padding:24px 0}
    footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .qrcode{display:flex;gap:14px;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:16px}
    .qrcode img{width:92px;height:92px;object-fit:cover;border-radius:16px;background:#fff}
    .floating{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:grid;place-items:center;box-shadow:0 12px 26px rgba(15,76,207,.28)}
    .mobile-panel{display:none}
    .section-muted{background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,.78));border-top:1px solid rgba(219,229,255,.65);border-bottom:1px solid rgba(219,229,255,.65)}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tagcloud span{padding:8px 12px;border-radius:999px;background:#eef4ff;border:1px solid #dbe5ff;color:#27406d;font-size:.92rem}
    .timeline{display:grid;gap:14px}
    .timeline .item{display:grid;grid-template-columns:110px 1fr;gap:16px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}
    .timeline .item b{color:var(--blue)}
    .scroll-top{border:none;cursor:pointer}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.stats-grid,.steps,.testimonial,.footer-grid,.compare-highlight,.timeline .item{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .menu{display:none}
      .nav-toggle{display:inline-grid;place-items:center}
      .mobile-panel{display:none;padding:0 0 16px}
      .mobile-panel.open{display:block}
      .mobile-panel .menu{display:grid;gap:8px;justify-content:start;padding:10px 0}
      .form{grid-template-columns:1fr}
    }