:root{
      --bg:#fffdf8;
      --panel:#ffffff;
      --panel2:#fff5f0;
      --line:#f0dfd6;
      --text:#24303a;
      --muted:#66727d;
      --brand:#ff6a5c;
      --brand2:#ffb347;
      --brand3:#6a7cff;
      --ok:#1f9d73;
      --shadow:0 18px 50px rgba(68, 35, 25, .09);
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(255,179,71,.16), transparent 28%),
      radial-gradient(circle at top right, rgba(106,124,255,.12), transparent 24%),
      linear-gradient(180deg, #fffdf8 0%, #fffaf3 45%, #fffdf9 100%);
      color:var(--text);line-height:1.65}
    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(255,253,248,.84);backdrop-filter:blur(16px);border-bottom:1px solid rgba(240,223,214,.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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.08)}
    .brand strong{font-size:1.05rem;display:block}
    .brand small{display:block;color:var(--muted);font-size:.86rem}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{color:#33414c;font-size:.95rem;padding:8px 10px;border-radius:999px;transition:.2s}
    .menu a:hover{background:#fff;box-shadow:0 8px 16px rgba(0,0,0,.05);color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:700;transition:.22s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 30px rgba(255,106,92,.24)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(32, 28, 22, .08)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px}
    .menu-toggle span{display:block;width:18px;height:2px;background:#33414c;margin:4px auto;border-radius:2px}
    main{overflow:hidden}
    section{padding:76px 0}
    .hero{padding:36px 0 66px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-card,.info-card,.panel,.faq-item,.review,.case-card,.article-card,.feature,.timeline li,.compare,.form-card,.service-node{background:rgba(255,255,255,.88);border:1px solid rgba(240,223,214,.95);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before{content:"";position:absolute;inset:auto -40px -70px auto;width:260px;height:260px;background:radial-gradient(circle, rgba(255,179,71,.26), transparent 60%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff3e9;color:#b44d2d;font-weight:700;font-size:.88rem}
    h1{margin:18px 0 14px;font-size:clamp(2rem, 4vw, 3.8rem);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:1.05rem;color:var(--muted);max-width:56ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff7f1;border:1px solid #f5ddd1;color:#7d4b38;font-size:.9rem}
    .hero-side{display:grid;gap:16px}
    .info-card{padding:22px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{padding:20px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff8f4);border:1px solid var(--line)}
    .metric strong{display:block;font-size:1.5rem;margin-bottom:4px}
    .metric span{color:var(--muted);font-size:.92rem}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
    .section-title h2{margin:0;font-size:clamp(1.5rem, 2.4vw, 2.4rem)}
    .section-title p{margin:0;color:var(--muted);max-width:68ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .feature,.case-card,.review,.article-card{padding:22px}
    .feature h3,.case-card h3,.review h3,.article-card h3{margin:12px 0 8px;font-size:1.08rem}
    .feature p,.case-card p,.review p,.article-card p,.panel p,.faq-item p{margin:0;color:var(--muted)}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:10px;background:#eef4ff;color:#4656b8;font-size:.85rem;font-weight:700}
    .panel{padding:26px}
    .list{display:grid;gap:12px;margin:16px 0 0;padding:0;list-style:none}
    .list li{display:flex;gap:10px;align-items:flex-start;color:#3a4650}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-top:8px;flex:none}
    .timeline{list-style:none;padding:0;margin:0;display:grid;gap:14px}
    .timeline li{padding:18px 18px 18px 20px;position:relative}
    .timeline li:before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:999px;background:linear-gradient(180deg,var(--brand),var(--brand2))}
    .compare-wrap{overflow:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:16px 14px;border-bottom:1px solid #f1e4db;text-align:left;vertical-align:top}
    th{background:#fff7f2;color:#394651}
    tr:nth-child(even) td{background:#fffdfb}
    .rating{font-size:1.08rem;font-weight:800;color:#b6462b}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary h3{margin:0;font-size:1.02rem}
    .faq-item .content{padding:0 20px 18px}
    .faq-item[open]{border-color:#f2b8a6}
    .reviews .grid-3{align-items:stretch}
    .rating-stars{color:#ff9d2e;font-size:1.05rem;letter-spacing:1px}
    .articles{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .article-list{display:grid;gap:12px}
    .article-link{display:flex;justify-content:space-between;gap:14px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .article-link span{color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:.95rem}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #e6d7cd;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#f09b84;box-shadow:0 0 0 4px rgba(255,106,92,.12)}
    .footer{background:#fef6f1;border-top:1px solid #eedbd0;padding:30px 0 22px;color:#32404b}
    .footer a{color:#3553b6}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .float-box{position:fixed;right:16px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;box-shadow:0 16px 30px rgba(255,106,92,.28);font-weight:900}
    .float-qrcode{position:fixed;right:16px;bottom:78px;width:180px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;display:none}
    .float-qrcode img{border-radius:12px}
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.show{opacity:1;transform:none}
    .service-network{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .service-node{padding:16px;text-align:center;font-weight:700;color:#47525b;background:linear-gradient(180deg,#fff,#fff9f4)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#47525b}
    .price-card{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)}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.articles,.footer-grid,.metric-grid,.form-grid,.service-network{grid-template-columns:1fr 1fr}
      .service-network{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width: 720px){
      .container{width:min(var(--container), calc(100% - 24px))}
      section{padding:60px 0}
      .nav{padding:12px 0}
      .menu-toggle{display:inline-grid;place-items:center}
      .menu{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px}
      .menu.open{display:flex;flex-direction:column;align-items:flex-start}
      .nav-actions .btn-ghost{display:none}
      .hero-grid,.grid-3,.grid-4,.articles,.footer-grid,.metric-grid,.form-grid,.service-network{grid-template-columns:1fr}
      .hero-card{padding:24px}
      .section-title{flex-direction:column;align-items:flex-start}
      .mobile-only{display:inline-flex}
      table{min-width:760px}
      .float-qrcode{width:160px}
    }