:root{
      --bg:#f6f8fc;
      --bg2:#eef4ff;
      --card:#ffffff;
      --line:#d9e3f3;
      --text:#132033;
      --muted:#5f6f86;
      --brand:#2f6bff;
      --brand2:#00b8d9;
      --accent:#ffb703;
      --shadow:0 14px 40px rgba(24,45,90,.10);
      --shadow2:0 10px 24px rgba(47,107,255,.12);
      --radius:20px;
    }
    *{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",Arial,sans-serif;background:
      radial-gradient(circle at top left, rgba(47,107,255,.10), transparent 28%),
      radial-gradient(circle at 85% 10%, rgba(0,184,217,.10), transparent 24%),
      linear-gradient(180deg,var(--bg),#fff 36%, #f8fbff 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(1180px, calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(246,248,252,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,227,243,.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;box-shadow:0 6px 20px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--brand);background:rgba(47,107,255,.08)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;padding:12px 16px;font-weight:700;cursor:pointer;transition:.25s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#5b8cff);color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.05)}
    .btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px;color:var(--text)}
    main{display:block}
    section{padding:64px 0}
    .hero{padding:38px 0 24px}
    .hero-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-main{background:linear-gradient(135deg, rgba(255,255,255,.96), rgba(245,249,255,.96));border:1px solid rgba(217,227,243,.9);border-radius:28px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;background:linear-gradient(135deg, rgba(47,107,255,.12), rgba(0,184,217,.14));filter:blur(8px)}
    .hero-main:before{width:220px;height:220px;right:-70px;top:-70px}
    .hero-main:after{width:140px;height:140px;right:90px;bottom:-48px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(47,107,255,.08);color:var(--brand);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.85;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .mini{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 16px}
    .mini strong{display:block;font-size:18px}
    .mini span{display:block;color:var(--muted);font-size:13px;margin-top:4px;line-height:1.5}
    .hero-side{display:grid;gap:16px}
    .side-card,.info-card{background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
    .side-card h3,.section-head h2{margin:0 0 10px;font-size:24px}
    .muted{color:var(--muted)}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
    .stat b{display:block;font-size:30px;line-height:1;color:var(--brand)}
    .stat span{display:block;margin-top:8px;color:var(--muted);font-size:14px;line-height:1.5}
    .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:22px;box-shadow:var(--shadow);transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 50px rgba(24,45,90,.14)}
    .card h3,.card h4{margin:0 0 10px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:rgba(47,107,255,.08);color:#234fb8;font-size:13px;border:1px solid rgba(47,107,255,.10)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}
    .section-head p{margin:0;color:var(--muted);max-width:66ch;line-height:1.8}
    .service-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .service-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;min-height:160px}
    .service-item strong{display:block;margin-bottom:8px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{background:linear-gradient(180deg,#fff, #f7faff);border:1px solid var(--line);border-radius:20px;padding:20px;position:relative}
    .step .num{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf2fa;text-align:left;font-size:14px;vertical-align:top}
    th{background:#f6f9ff;color:#23324a}
    td{color:var(--muted)}
    .compare-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(255,183,3,.14);color:#8a5b00;font-weight:700}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
    details+details{margin-top:12px}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line);border-radius:22px;padding:20px}
    .review .role{display:inline-block;margin-bottom:10px;color:var(--brand);font-weight:700}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .case-card{display:grid;grid-template-columns:160px 1fr;gap:16px;align-items:start}
    .case-card .thumb{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#f5f8ff}
    .case-card img{width:100%;height:160px;object-fit:cover}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{display:inline-flex;margin-top:8px;color:var(--brand);font-weight:700}
    .form-wrap{display:grid;grid-template-columns:1fr 360px;gap:16px;align-items:start}
    form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
    .field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:block;font-size:14px;color:#22324a;font-weight:700;margin-bottom:8px}
    input,select,textarea{width:100%;border:1px solid #d9e3f3;border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(47,107,255,.55);box-shadow:0 0 0 4px rgba(47,107,255,.08)}
    .aside-box{background:linear-gradient(180deg,#fff, #f7fbff);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
    .contact-list{display:grid;gap:12px}
    .contact-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .contact-item b{display:block}
    .contact-item span{display:block;color:var(--muted);font-size:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    footer{padding:26px 0 32px;border-top:1px solid rgba(217,227,243,.8);background:#f4f8ff;color:#24344f}
    footer a{color:#234fb8}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
    .float-bar{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-bar a,.float-bar button{border:0;display:inline-flex;align-items:center;justify-content:center;padding:12px 14px;border-radius:16px;background:linear-gradient(135deg,var(--brand),#6c8dff);color:#fff;box-shadow:var(--shadow2);cursor:pointer}
    .mobile-nav{display:none}
    .fade-in{opacity:0;transform:translateY(18px);transition:.65s ease}
    .fade-in.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-wrap,.form-wrap,.footer-top,.case-grid,.grid-3,.grid-2,.reviews,.articles,.service-list,.workflow,.stat-grid{grid-template-columns:1fr 1fr}
      .hero-main{padding:28px}
      .hero-points{grid-template-columns:1fr}
      .service-list,.workflow,.reviews,.articles{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      header{position:sticky}
      .menu-toggle{display:inline-flex}
      .nav-links,.nav-cta{display:none}
      .mobile-nav{display:none;padding:0 0 14px}
      .mobile-nav.open{display:block}
      .mobile-nav .panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;display:grid;gap:6px;box-shadow:var(--shadow)}
      .mobile-nav a{padding:10px 12px;border-radius:12px;color:var(--text)}
      .hero-wrap,.form-wrap,.footer-top,.case-grid,.grid-3,.grid-2,.reviews,.articles,.service-list,.workflow,.stat-grid{grid-template-columns:1fr}
      section{padding:54px 0}
      .case-card{grid-template-columns:1fr}
      .field-grid{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
    }