:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f3f7ff;
      --text:#132238;
      --muted:#5d6b82;
      --line:#dbe4f2;
      --primary:#1d5cff;
      --primary-2:#00b3ff;
      --accent:#ffb81e;
      --shadow:0 18px 50px rgba(18,38,79,.10);
      --shadow-2:0 10px 24px rgba(29,92,255,.16);
      --radius:20px;
      --radius-sm:14px;
      --container: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(--text);background:
      radial-gradient(circle at top left, rgba(0,179,255,.12), transparent 28%),
      radial-gradient(circle at top right, rgba(29,92,255,.10), transparent 30%),
      linear-gradient(180deg, #f8fbff 0%, #f6f8fc 24%, #f4f7fc 100%);
      line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,228,242,.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 .logo-wrap{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#fff,#eaf2ff);box-shadow:inset 0 0 0 1px rgba(29,92,255,.12);display:grid;place-items:center;overflow:hidden}
    .brand img{width:34px;height:34px;object-fit:contain}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:15px;letter-spacing:.2px}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#31415b;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));transition:.25s}
    .nav-links a:hover::after,.nav-links a:focus::after{width:100%}
    .home-link{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,var(--primary),#3f7bff);color:#fff;box-shadow:var(--shadow-2)}
    .hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}
    .hero-panel{background:linear-gradient(135deg,#ffffff 0%, #f6f9ff 100%);border:1px solid rgba(219,228,242,.9);border-radius:28px;box-shadow:var(--shadow);padding:30px;position:relative;overflow:hidden}
    .hero-panel::before,.hero-panel::after{content:"";position:absolute;border-radius:999px;pointer-events:none}
    .hero-panel::before{width:260px;height:260px;background:radial-gradient(circle, rgba(0,179,255,.14), transparent 62%);right:-70px;top:-80px}
    .hero-panel::after{width:180px;height:180px;background:radial-gradient(circle, rgba(29,92,255,.12), transparent 60%);left:-50px;bottom:-80px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef4ff;color:#2152e8;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,4vw,52px);line-height:1.1;margin:16px 0 14px;letter-spacing:-.02em}
    .lead{font-size:16px;color:var(--muted);max-width:60ch;margin:0 0 22px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;border:1px solid transparent;font-weight:700;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#4f8bff);color:#fff;box-shadow:var(--shadow-2)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-chips{display:flex;gap:10px;flex-wrap:wrap}
    .chip{padding:8px 12px;border-radius:999px;background:#f2f6ff;border:1px solid #dbe6ff;color:#325084;font-size:13px}
    .hero-side{display:grid;gap:14px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .metric{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 10px 24px rgba(16,40,82,.06);transition:.25s}
    .metric:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(16,40,82,.10)}
    .metric b{display:block;font-size:28px;line-height:1.1}
    .metric span{display:block;font-size:13px;color:var(--muted);margin-top:8px}
    .hero-note{background:linear-gradient(135deg,#0f2d5c,#1848af);color:#fff;border-radius:22px;padding:18px 20px;box-shadow:var(--shadow)}
    .hero-note p{margin:6px 0 0;color:rgba(255,255,255,.85);font-size:14px}
    section{padding:18px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:10px 0 16px}
    .section-title h2{margin:0;font-size:clamp(22px,2.5vw,34px);line-height:1.15}
    .section-title p{margin:0;color:var(--muted);max-width:60ch;font-size:14px}
    .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 22px rgba(16,40,82,.05);transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(16,40,82,.10)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted)}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill-list span{background:#f3f7ff;border:1px solid #dfe7fb;color:#335077;padding:8px 12px;border-radius:999px;font-size:13px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .steps{counter-reset:step;display:grid;gap:14px}
    .step{display:flex;gap:14px;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step::before{counter-increment:step;content:counter(step,decimal-leading-zero);width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e9f1ff,#dff0ff);color:#2259f0;font-weight:800;flex:0 0 auto}
    .table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 22px rgba(16,40,82,.05)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 18px;border-bottom:1px solid #eaf0fa;text-align:left;font-size:14px;vertical-align:top}
    th{background:#f5f8ff;color:#183054}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700}
    .badge.good{background:#e9fff5;color:#0f8f58}
    .badge.warn{background:#fff6df;color:#a46d00}
    .badge.info{background:#edf4ff;color:#285adf}
    .timeline{display:grid;gap:12px}
    .time-item{display:grid;grid-template-columns:88px 1fr;gap:14px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .time-item strong{color:#1d3e7c}
    .faq{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
    .faq-q{width:100%;text-align:left;background:transparent;border:0;padding:18px 18px;font-size:15px;font-weight:700;color:var(--text);display:flex;justify-content:space-between;gap:14px;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;color:var(--muted);padding:0 18px}
    .faq-item.open .faq-a{max-height:220px;padding:0 18px 18px}
    .faq-q span{color:var(--primary)}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line);border-radius:22px;padding:20px}
    .review .role{font-size:13px;color:#3a5884;font-weight:700;margin-bottom:10px}
    .stars{color:#ffb81e;letter-spacing:1px;font-size:14px}
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .article-list{display:grid;gap:12px}
    .article{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:16px 18px;border:1px solid var(--line);background:#fff;border-radius:16px}
    .article small{color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .form-control{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700;color:#20324f}
    input,select,textarea{width:100%;border:1px solid #d9e3f3;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:#7aa7ff;box-shadow:0 0 0 4px rgba(29,92,255,.10)}
    textarea{min-height:124px;resize:vertical}
    .full{grid-column:1/-1}
    .footer{margin-top:8px;padding:26px 0 34px;border-top:1px solid #dbe4f2;background:#f2f6fc;color:#27364f}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px}
    .footer h3{margin:0 0 12px;font-size:16px}
    .footer a{color:#264fe0}
    .footer p,.footer li{color:#51627a;font-size:14px}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:16px;border:0;background:linear-gradient(135deg,var(--primary),#4f8bff);color:#fff;box-shadow:var(--shadow-2);display:grid;place-items:center;cursor:pointer}
    .float-panel{position:fixed;right:16px;bottom:78px;z-index:71;width:min(320px, calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:16px;display:none}
    .float-panel.open{display:block}
    .qr{display:grid;grid-template-columns:84px 1fr;gap:14px;align-items:center}
    .qr img{width:84px;height:84px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .muted{color:var(--muted)}
    .section-anchor{scroll-margin-top:92px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#344c73;font-size:13px}
    .service-net{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .net-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
    .compare-card{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .rating-box{background:linear-gradient(135deg,#0e2550,#1d5cff);color:#fff;border-radius:22px;padding:22px}
    .rating-box p{color:rgba(255,255,255,.84)}
    .scroll-top{position:fixed;right:16px;bottom:134px;z-index:70}
    .scroll-top .float-btn{background:linear-gradient(135deg,#ff8f1f,#ffb81e)}
    @media (max-width: 960px){
      .hero-grid,.card-grid,.split,.case-grid,.footer-grid,.compare-card,.reviews,.service-net{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:68px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:12px}
      .hero-panel{padding:24px}
      .metric-grid{grid-template-columns:1fr 1fr}
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 20px))}
      .metric-grid{grid-template-columns:1fr}
      .time-item{grid-template-columns:1fr}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .section-title{flex-direction:column;align-items:flex-start}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}