:root{--bg:#f6f8fc;--panel:#ffffff;--panel2:#f2f7ff;--text:#172033;--muted:#5c6b84;--line:#dbe5f4;--primary:#0f6bff;--primary2:#14b8a6;--accent:#ffb703;--shadow:0 18px 40px rgba(23,32,51,.08);--radius:22px;--radius2:16px;--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;background:linear-gradient(180deg,#f9fbff 0%,#f5f8fd 60%,#eef4fb 100%);color:var(--text)}
    a{color:inherit;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:30;background:rgba(247,250,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,229,244,.85)}
    .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{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:5px;box-shadow:0 8px 24px rgba(15,107,255,.12)}
    .brand h2{margin:0;font-size:16px;line-height:1.2}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px}
    .nav-links{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
    .nav-links a{padding:9px 12px;border-radius:999px;color:#22314d;font-size:13px;transition:.2s;background:transparent}
    .nav-links a:hover,.nav-links a.active{background:#eaf2ff;color:#0b56d7}
    .top-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.2s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#4f8cff);color:#fff;box-shadow:0 14px 24px rgba(15,107,255,.18)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    main{padding:24px 0 18px}
    section{padding:18px 0}
    .hero{padding:20px 0 8px}
    .hero-card{position:relative;overflow:hidden;background:linear-gradient(135deg,#0c1f44 0%,#16479f 48%,#0f6bff 100%);color:#fff;border-radius:30px;padding:30px;box-shadow:var(--shadow)}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
    .hero-card:before{width:240px;height:240px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);right:-70px;top:-60px}
    .hero-card:after{width:160px;height:160px;background:radial-gradient(circle,rgba(20,184,166,.24),transparent 70%);left:-40px;bottom:-50px}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:13px}
    h1{margin:14px 0 12px;font-size:clamp(30px,5vw,52px);line-height:1.05}
    .hero p{margin:0;color:rgba(255,255,255,.86);font-size:16px;line-height:1.75;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
    .hero-actions .btn-secondary{background:rgba(255,255,255,.94)}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .badge{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);font-size:13px}
    .hero-side{display:grid;gap:14px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow);transition:.2s}
    .metric:hover,.card:hover,.review:hover,.service:hover,.case:hover{transform:translateY(-4px)}
    .metric .num{font-size:28px;font-weight:800;color:#0d3b84}
    .metric .label{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.5}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.7}
    .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .card,.service,.case,.review,.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .card,.service,.case,.review{padding:20px}
    .card h3,.service h3,.case h3,.review h3{margin:0 0 10px;font-size:18px}
    .card p,.service p,.case p,.review p,.panel p{margin:0;color:var(--muted);line-height:1.75}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e7f0ff,#dff9f5);color:#0b63d6;font-weight:800;margin-bottom:14px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .panel{padding:22px}
    .list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#22314d;line-height:1.6}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));margin-top:8px;flex:none}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:10px 12px;border-radius:999px;background:#eef5ff;border:1px solid #dce8fb;color:#1e3d72;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line);border-radius:20px;padding:18px;position:relative}
    .step b{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:#0f6bff;color:#fff;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;border-bottom:1px solid #e7eef8;text-align:left;vertical-align:top}
    th{background:#f4f8ff;color:#1b2c49;font-size:14px}
    td{color:#31405d;line-height:1.7}
    .highlight{color:#0b63d6;font-weight:800}
    .accordion{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow)}
    summary{cursor:pointer;font-weight:700;color:#18263f}
    details p{margin:10px 0 0;color:var(--muted);line-height:1.75}
    .reviews,.cases,.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review small,.case small{display:block;color:#6b7c95;margin-top:10px}
    .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .timeline .item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}
    .timeline .item span{display:inline-flex;padding:6px 10px;border-radius:999px;background:#edf5ff;color:#0b63d6;font-size:12px;margin-bottom:12px}
    .articles{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .article{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .article a{color:#0b63d6;font-weight:700}
    .article p{margin-top:8px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    form{display:grid;gap:14px}
    label{display:grid;gap:8px;font-size:14px;color:#20314f}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #cfd9ea;background:#fff;color:#18263f;font:inherit;outline:none}
    input:focus,select:focus,textarea:focus{border-color:#4b8cff;box-shadow:0 0 0 4px rgba(15,107,255,.10)}
    textarea{min-height:122px;resize:vertical}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    footer{padding:22px 0 84px;color:#dfe9fb;background:linear-gradient(180deg,#0a1b36,#081428);margin-top:10px}
    footer .container{display:grid;gap:18px}
    footer a{color:#fff}
    footer p,footer li,footer span{color:#d2ddf2}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .contact-box{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:22px;padding:18px}
    .contact-box img{width:160px;border-radius:16px;background:#fff;padding:8px}
    .bottom-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:8px;border-top:1px solid rgba(255,255,255,.1)}
    .floating{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),#49a1ff);color:#fff;box-shadow:0 16px 28px rgba(15,107,255,.25);font-weight:800}
    .scroll-top{opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s}
    .scroll-top.show{opacity:1;pointer-events:auto;transform:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.visible{opacity:1;transform:none}
    .subtle{color:var(--muted)}
    .hero .mini-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:16px}
    .hero .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
    .hero .mini{padding:14px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
    .hero .mini b{display:block;font-size:18px;margin-bottom:4px}
    .hero .mini span{font-size:13px;color:rgba(255,255,255,.82)}
    .hero .home-link{display:inline-flex;padding:12px 16px;border-radius:14px;background:#fff;color:#0b63d6;font-weight:800}
    .price-list{display:grid;gap:12px}
    .price-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .price-item strong{color:#0b63d6}
    .muted-note{font-size:12px;color:#6c7c94;line-height:1.6}
    .article-list{display:grid;gap:12px}
    .article-link{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff}
    .article-link span{color:#0b63d6}
    .section-card{background:rgba(255,255,255,.7);backdrop-filter:blur(8px);border:1px solid #e3ebf8;border-radius:28px;padding:18px;box-shadow:var(--shadow)}
    @media (max-width: 1024px){
      .metric-grid,.card-grid,.services,.reviews,.cases,.timeline,.steps,.split,.footer-top,.articles,.form-grid,.hero-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .nav{flex-wrap:wrap}
      .nav-links{display:none;width:100%;justify-content:flex-start;padding-top:8px}
      .nav-links.open{display:flex}
      .top-cta{width:100%;justify-content:flex-start;flex-wrap:wrap}
      .hero-card{padding:22px}
      .hero-grid,.metric-grid,.card-grid,.services,.reviews,.cases,.timeline,.steps,.split,.footer-top,.articles,.form-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      h2{font-size:24px}
      table{min-width:760px}
      .contact-box{grid-template-columns:1fr}
    }