:root{
      --bg:#f7f8fc;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#182033;
      --muted:#5c667d;
      --line:#e6eaf2;
      --brand1:#7c5cff;
      --brand2:#10b8d6;
      --brand3:#ff8a5b;
      --brand4:#22c55e;
      --shadow:0 18px 50px rgba(24,32,51,.10);
      --radius:22px;
      --container:1180px;
    }
    *{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",sans-serif;background:linear-gradient(180deg,var(--bg) 0%,#fff 45%,var(--bg) 100%);color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(247,248,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,234,242,.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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:6px;box-shadow:0 8px 24px rgba(124,92,255,.12)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;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:var(--muted)}
    .nav-links a:hover{color:var(--text)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 18px;border:1px solid transparent;font-weight:600;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;box-shadow:0 14px 34px rgba(124,92,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(124,92,255,.30)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .hero{padding:34px 0 18px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;inset:auto;border-radius:50%;pointer-events:none}
    .hero::before{width:320px;height:320px;background:radial-gradient(circle, rgba(124,92,255,.18), transparent 68%);top:-100px;right:-80px}
    .hero::after{width:240px;height:240px;background:radial-gradient(circle, rgba(16,184,214,.15), transparent 70%);bottom:0;left:-70px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch}
    .hero-main{background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(255,255,255,.80));border:1px solid rgba(230,234,242,.85);box-shadow:var(--shadow);border-radius:30px;padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:linear-gradient(135deg,rgba(124,92,255,.12),rgba(16,184,214,.12));color:#4b4fd1;font-size:13px;font-weight:700}
    h1{margin:14px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.1;letter-spacing:-.03em}
    .lead{font-size:16px;color:var(--muted);max-width:720px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .point{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px}
    .point b{display:block;font-size:18px}
    .point span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .hero-side{display:grid;gap:16px}
    .mini-card{background:linear-gradient(180deg,#fff, #fbfcff);border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:0 10px 28px rgba(24,32,51,.06)}
    .mini-card h3{margin:0 0 8px;font-size:18px}
    .mini-card p,.mini-card li{margin:0;color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#34415f}
    section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:680px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(24,32,51,.05);padding:20px;transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(24,32,51,.10)}
    .metric{font-size:30px;font-weight:800;background:linear-gradient(135deg,var(--brand1),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
    .muted{color:var(--muted)}
    .service-item h3,.case-item h3,.review-item h3{margin:0 0 10px;font-size:18px}
    .service-item p,.case-item p,.review-item p{margin:0;color:var(--muted);font-size:14px}
    .pill{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:999px;background:linear-gradient(135deg,rgba(124,92,255,.10),rgba(34,197,94,.10));font-size:12px;color:#4350a3;font-weight:700}
    .process{counter-reset:step}
    .step{position:relative;padding-top:38px}
    .step::before{counter-increment:step;content:counter(step);position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;font-weight:700;font-size:13px}
    .table-wrap{overflow-x:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:0 10px 28px rgba(24,32,51,.05)}
    table{width:100%;border-collapse:collapse;min-width:780px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
    th{background:#f7f9ff;color:#26324e}
    tr:last-child td{border-bottom:none}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#ffb000;font-size:18px;letter-spacing:2px}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;border:none;background:transparent;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--text);font-size:16px;font-weight:700;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted)}
    .faq-item.active .faq-a{max-height:180px;padding-bottom:18px}
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .faq-icon{transition:.25s ease;font-size:22px;color:#6a7288}
    .reviews .card{height:100%}
    .quote{font-size:15px;color:#283247}
    .article-list{display:grid;gap:12px}
    .article-link{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .article-link span{color:var(--muted);font-size:13px}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#2a3551}
    input,select,textarea{width:100%;border:1px solid #dbe1ec;border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#7c5cff;box-shadow:0 0 0 4px rgba(124,92,255,.10)}
    .footer{margin-top:18px;padding:26px 0 34px;background:#10182b;color:#d7def2}
    .footer a{color:#fff}
    .footer .muted{color:#b8c2db}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .footer small{display:block;margin-top:14px;color:#a9b5d4}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(24,32,51,.18);border:none;cursor:pointer}
    .backtop{display:none}
    .service-imgs,.square-imgs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .service-imgs img,.square-imgs img{border-radius:20px;border:1px solid var(--line);box-shadow:0 10px 28px rgba(24,32,51,.06)}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .timeline{display:grid;gap:14px}
    .timeline .row{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .timeline .time{font-weight:800;color:#4b56b8}
    .anchor-space{scroll-margin-top:92px}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.two-col,.service-imgs,.square-imgs{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;width:100%;padding:14px 0 4px}
      .nav.open{flex-wrap:wrap}
      .nav.open .nav-links{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }