:root{
      --bg:#f6f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#1b2340;
      --muted:#5f6b8a;
      --line:#dbe4ff;
      --primary:#2d5bff;
      --accent:#ff7b54;
      --accent2:#17b8a6;
      --shadow:0 16px 40px rgba(31,53,110,.10);
      --shadow2:0 10px 24px rgba(45,91,255,.14);
      --radius:22px;
      --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;background:linear-gradient(180deg,var(--bg2),#fff 26%,var(--bg) 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(246,248,252,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,228,255,.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:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.06)}
    .brand strong{font-size:18px;letter-spacing:.5px}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:14px;padding:10px 12px}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#304066;padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{background:#eaf0ff;color:var(--primary)}
    .home-link{font-weight:700}
    .hero{padding:46px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.form-card,.faq-card,.review-card,.article-card,.case-card,.compare-card,.timeline-card{background:rgba(255,255,255,.92);border:1px solid rgba(219,228,255,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(45,91,255,.18),rgba(45,91,255,0) 70%)}
    .hero-main::before{width:260px;height:260px;right:-100px;top:-80px}
    .hero-main::after{width:180px;height:180px;right:50px;bottom:-70px;background:radial-gradient(circle,rgba(255,123,84,.18),rgba(255,123,84,0) 70%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#edf4ff;color:var(--primary);border:1px solid #d4e2ff;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,4.5vw,50px);line-height:1.08;margin:16px 0 14px}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.2s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#6a7dff);color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-secondary:hover{border-color:#bcd0ff;transform:translateY(-1px)}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f8fbff,#eef4ff);border:1px solid #dce7ff}
    .stat strong{display:block;font-size:22px}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px;line-height:1.5}
    .hero-side{padding:22px;background:linear-gradient(180deg,#1e2d6b,#2d5bff);color:#fff;position:relative;overflow:hidden}
    .hero-side h2{margin:0 0 10px;font-size:22px}
    .hero-side p,.hero-side li{color:rgba(255,255,255,.86)}
    .hero-side ul{margin:14px 0 0;padding:0 0 0 18px;line-height:1.9}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .pill{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .section-card,.compare-card,.timeline-card,.form-card,.faq-card,.review-card,.article-card,.case-card{padding:22px}
    .feature-card h3,.service-card h3,.case-card h3,.compare-card h3,.timeline-card h3{margin:0 0 10px;font-size:18px}
    .feature-card p,.service-card p,.case-card p,.article-card p,.review-card p,.timeline-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#eff4ff,#dfe8ff);color:var(--primary);margin-bottom:14px;font-weight:900}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#31405f;font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .step{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative}
    .step b{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:50%;background:linear-gradient(135deg,var(--accent),#ffb36b);color:#fff;margin-bottom:12px}
    .scroll-table{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid #eef2fb;text-align:left;vertical-align:top}
    th{background:#f6f8ff;color:#203055;font-size:14px}
    td{color:#42506e;font-size:14px;line-height:1.7}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:10px 0 16px}
    .stars{color:#ffb800;font-size:20px;letter-spacing:2px}
    .badge{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:#edf9f7;color:#0f7d6e;border:1px solid #c7ece5;font-size:13px}
    .case-list,.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .case-meta,.article-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .mini{padding:6px 10px;border-radius:999px;background:#f4f7ff;color:#4a5d94;font-size:12px}
    .faq-list details{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    .faq-list details+details{margin-top:12px}
    .faq-list summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list .answer{padding:0 18px 16px;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review-card .name{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .name strong{font-size:16px}
    .name span{color:#ff8a00;font-size:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;color:#30405f;font-weight:700}
    input,select,textarea{width:100%;border:1px solid #cfdaf4;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:#86a4ff;box-shadow:0 0 0 4px rgba(45,91,255,.08)}
    textarea{min-height:118px;resize:vertical}
    .footer{margin-top:10px;padding:22px 0 34px;background:#f2f6ff;border-top:1px solid #d9e4ff;color:#203055}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer a{color:#234fd6}
    .contact-box{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center}
    .contact-box img{width:120px;height:120px;object-fit:cover;border-radius:18px;border:1px solid #d8e2ff;background:#fff}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .float-tools a,.float-tools button{width:48px;height:48px;border:none;border-radius:16px;display:grid;place-items:center;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line);color:var(--primary);cursor:pointer}
    .float-tools a:hover,.float-tools button:hover{transform:translateY(-2px)}
    .mobile-panel{display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    .subtle{color:var(--muted)}
    .section-strip{padding:18px 0 2px}
    .map-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .map-item{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .map-item strong{display:block;margin-bottom:6px}
    .pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .price-card{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .price-card .amount{font-size:28px;font-weight:900;color:var(--primary)}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.case-list,.article-list,.reviews,.footer-grid,.map-row,.pricing{grid-template-columns:1fr 1fr}
      .workflow{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 780px){
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .hero-grid,.grid-3,.grid-2,.case-list,.article-list,.reviews,.footer-grid,.hero-stats,.workflow,.map-row,.pricing{grid-template-columns:1fr}
      .hero{padding-top:22px}
      .hero-main{padding:22px}
      .section-head{flex-direction:column;align-items:flex-start}
      .form-grid{grid-template-columns:1fr}
      .contact-box{grid-template-columns:1fr}
      .mobile-panel{display:none;padding:12px 0 18px}
      .mobile-panel.open{display:block}
      .mobile-panel .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:8px}
      .mobile-panel a{background:#fff;border:1px solid var(--line)}
    }