:root{--bg:#f5f7fb;--bg2:#eef3ff;--card:#ffffff;--text:#1f2a37;--muted:#5b6573;--line:#dde5f0;--pri:#3068f0;--pri2:#ff8a3d;--pri3:#14b8a6;--shadow:0 18px 42px rgba(30,55,90,.10);--radius:20px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fff6e8 0,#f7f9ff 28%,var(--bg) 58%,#eef8f6 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:40;background:rgba(245,247,251,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,229,240,.85)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 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;padding:4px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .menu{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;align-items:center}
    .menu a,.home-link{padding:8px 11px;border-radius:999px;color:#304056;font-size:14px}
    .menu a:hover,.home-link:hover{background:#eaf1ff;color:#1942b3}
    .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;cursor:pointer;transition:.24s ease;box-shadow:0 10px 24px rgba(48,104,240,.16)}
    .btn-primary{background:linear-gradient(135deg,var(--pri),#5f82ff);color:#fff}
    .btn-ghost{background:#fff;color:#22324a;border:1px solid var(--line);box-shadow:none}
    .btn:hover{transform:translateY(-2px)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px}
    .mobile-panel{display:none;padding:0 0 14px}
    .mobile-panel .menu{justify-content:flex-start}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.review,.case,.service,.faq-item,.stat,.compare,.article,.timeline li,.price-item,.tag-cloud a,.form-wrap,.footer-box{background:rgba(255,255,255,.84);border:1px solid rgba(221,229,240,.92);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:linear-gradient(90deg,#fff0d6,#eaf2ff);color:#915200;font-weight:700;font-size:13px}
    h1{margin:16px 0 12px;font-size:clamp(30px,5vw,54px);line-height:1.06;letter-spacing:-.02em}
    .lead{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}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .pill{padding:9px 12px;border-radius:999px;background:#f3f7ff;color:#24406a;border:1px solid #dce6fb;font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-card{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .side-card h3{margin:0 0 8px;font-size:16px}
    .side-card p,.side-card li{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0 0}
    .stat{padding:18px}
    .stat strong{display:block;font-size:28px;color:#17315b}
    .stat span{display:block;color:var(--muted);margin-top:6px;font-size:13px;line-height:1.5}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;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,.service,.case,.review,.article,.form-wrap,.compare,.faq-item,.timeline li,.price-item{padding:18px}
    .service h3,.case h3,.review h3,.article h3,.price-item h3,.compare h3{margin:0 0 8px;font-size:18px}
    .muted{color:var(--muted);line-height:1.75}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a,.tag{padding:9px 12px;border-radius:999px;border:1px solid #dbe5f4;background:#fff;color:#33455d;font-size:13px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line);position:relative}
    .step b{display:inline-flex;width:30px;height:30px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,#3e74ff,#12c2e9);color:#fff;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top}
    th{background:#f7faff;color:#23354d}
    .rating{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
    .stars{color:#ff9f2d;font-size:20px;letter-spacing:2px}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;font-weight:700;color:#1f2e46}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item p{margin:12px 0 0;color:var(--muted);line-height:1.75}
    .reviews,.cases,.articles,.network,.pricing,.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review small,.case small,.article small{color:#7b8594}
    .timeline ol{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .timeline li{display:flex;gap:14px;align-items:flex-start}
    .timeline .dot{width:12px;height:12px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--pri2),var(--pri))}
    .form-wrap form{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;color:#31445c;font-weight:700}
    input,select,textarea{width:100%;padding:12px 14px;border:1px solid #dbe3ef;border-radius:14px;background:#fff;color:var(--text);outline:none}
    input:focus,select:focus,textarea:focus{border-color:#7ba2ff;box-shadow:0 0 0 4px rgba(48,104,240,.10)}
    textarea{min-height:120px;resize:vertical}
    .floating{position:fixed;right:18px;bottom:18px;display:grid;gap:10px;z-index:50}
    .floating a,.floating button{width:52px;height:52px;border-radius:50%;border:0;display:grid;place-items:center;box-shadow:0 12px 24px rgba(20,45,90,.18);background:#fff;color:#21406d}
    .floating .primary{background:linear-gradient(135deg,var(--pri3),#4f8cff);color:#fff}
    footer{margin-top:18px;padding:22px 0 28px;background:#f0f4fb;border-top:1px solid #dbe4f1;color:#203046}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:14px}
    .footer-box{padding:18px;background:#fff}
    .footer-box h3{margin:0 0 10px;font-size:17px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{color:#25406b}
    .copyright{margin-top:14px;color:#627185;font-size:13px}
    .scroll-top{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}
    .banner-img,.square-img{border-radius:16px;border:1px solid var(--line);overflow:hidden;background:#fff}
    .banner-img img,.square-img img{width:100%;height:auto;display:block}
    .home-link{background:#fff;border:1px solid var(--line)}
    @media (max-width: 980px){
      .hero-grid,.stats,.grid-3,.grid-2,.process,.reviews,.cases,.articles,.network,.pricing,.timeline,.footer-grid{grid-template-columns:1fr 1fr}
      .hero-main{order:1}.hero-side{order:2}
    }
    @media (max-width: 720px){
      .menu,.nav-actions{display:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .mobile-panel.open{display:block}
      .hero-grid,.stats,.grid-3,.grid-2,.process,.reviews,.cases,.articles,.network,.pricing,.timeline,.footer-grid,.form-wrap form{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-main,.hero-side{padding:22px}
      .floating{right:14px;bottom:14px}
    }