:root{
      --bg:#fff8f4;
      --bg2:#fff2ec;
      --card:#ffffff;
      --text:#2a1f1c;
      --muted:#6a574f;
      --brand:#d92d20;
      --brand2:#ff6b35;
      --line:#efd8d0;
      --soft:#fff4ef;
      --shadow:0 12px 30px rgba(138, 54, 34, .10);
      --radius:20px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(217,45,32,.10), transparent 28%),
        radial-gradient(circle at right 18%, rgba(255,107,53,.10), transparent 22%),
        linear-gradient(180deg,var(--bg) 0%, #fffdfb 36%, #fff8f4 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(calc(100% - 32px), var(--container));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(255,248,244,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(239,216,208,.9)}
    .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 .mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 10px 20px rgba(217,45,32,.25)}
    .brand .txt{min-width:0}
    .brand h2{margin:0;font-size:18px;line-height:1.2}
    .brand p{margin:4px 0 0;color:var(--muted);font-size:12px}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px}
    .menu a:hover{background:var(--soft);color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:700;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(217,45,32,.22)}
    .btn-primary:hover,.btn-outline:hover{transform:translateY(-2px)}
    .btn-outline{background:#fff;color:var(--text);border-color:var(--line)}
    .mobile-toggle{display:none}
    .hero{padding:54px 0 28px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch}
    .hero-card,.panel,.section-card,.review,.faq-item,.article,.case,.metric,.price,.timeline-item,.compare,.form-card{background:rgba(255,255,255,.88);border:1px solid rgba(239,216,208,.9);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card::before{content:"";position:absolute;inset:auto -10% -20% auto;width:300px;height:300px;background:radial-gradient(circle, rgba(217,45,32,.14), transparent 65%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:13px;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(32px,5vw,54px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0 0 22px;font-size:16px;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 24px}
    .hero-highlights{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:16px}
    .side-card{padding:22px}
    .side-card h3{margin:0 0 12px;font-size:18px}
    .side-card ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .side-card li{display:flex;gap:10px;color:var(--muted);line-height:1.5}
    .dot{width:10px;height:10px;margin-top:6px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:0 0 auto}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:22px}
    .metric b{display:block;font-size:28px;color:var(--brand);margin-bottom:8px}
    .metric span{color:var(--muted);line-height:1.6;font-size:14px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .section-card{padding:24px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service{padding:22px}
    .service h3,.case h3,.review h3,.price h3,.article h3,.panel h3{margin:0 0 10px;font-size:18px}
    .service p,.case p,.review p,.price p,.article p,.panel p{margin:0;color:var(--muted);line-height:1.75}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tagcloud span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#5f4d45;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:22px;position:relative}
    .step .num{font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-flex;padding:6px 10px;border-radius:999px;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #f2e4df;text-align:left;vertical-align:top}
    th{background:var(--soft);color:#4a3832;font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.7}
    .compare{padding:24px}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
    .star{color:#ff8b00;font-size:18px;letter-spacing:2px}
    .split{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .timeline{display:grid;gap:14px}
    .timeline-item{padding:18px}
    .timeline-item b{display:block;margin-bottom:6px}
    details.faq-item{padding:18px 20px}
    details summary{cursor:pointer;list-style:none;font-weight:700;color:#352723}
    details summary::-webkit-details-marker{display:none}
    details p{margin-top:10px}
    .reviews,.cases,.articles,.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review,.case,.article,.price{padding:22px}
    .avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,rgba(217,45,32,.16),rgba(255,107,53,.18));display:grid;place-items:center;color:var(--brand);font-weight:800;margin-bottom:12px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#4e3d37}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:124px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(217,45,32,.5);box-shadow:0 0 0 4px rgba(217,45,32,.08)}
    .footer{margin-top:14px;padding:28px 0 34px;background:#fff7f2;border-top:1px solid rgba(239,216,208,.9);color:#4c3d37}
    .footer a{color:#8d2b20}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer small{color:#6d5a52;line-height:1.7}
    .contact-card{padding:22px}
    .qrcode{width:132px;border-radius:16px;border:1px solid var(--line);overflow:hidden;background:#fff}
    .sticky-actions{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .sticky-actions a,.sticky-actions button{width:46px;height:46px;border:none;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 24px rgba(217,45,32,.24);cursor:pointer}
    .backtop{opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease}
    .backtop.show{opacity:1;pointer-events:auto;transform:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.show{opacity:1;transform:none}
    .nav-panel{display:none}
    .floating-qrcode{display:none}
    .home-link{font-weight:800;color:var(--brand)}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.split,.footer-grid,.reviews,.cases,.articles,.prices,.grid-3,.metrics,.steps{grid-template-columns:1fr 1fr}
      .hero{padding-top:28px}
    }
    @media (max-width: 768px){
      .menu,.nav-actions{display:none}
      .mobile-toggle{display:inline-flex}
      .nav-panel{display:none;padding:0 0 16px}
      .nav-panel.open{display:grid;gap:8px}
      .nav-panel a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--muted)}
      .hero-grid,.two-col,.split,.footer-grid,.reviews,.cases,.articles,.prices,.grid-3,.metrics,.steps,.form-grid{grid-template-columns:1fr}
      .hero-card{padding:24px}
      .section-head{align-items:start;flex-direction:column}
      .table-wrap{margin-right:-2px}
      .sticky-actions{right:12px;bottom:12px}
    }