:root{--bg:#fff7f2;--panel:#ffffff;--panel2:#fff1ea;--text:#232323;--muted:#6b5a55;--brand:#d81f26;--brand2:#ff5b4d;--line:#f0d8d2;--shadow:0 18px 40px rgba(142,30,30,.12);--radius:20px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#fff9f5 0%,#fff3ee 42%,#fffaf8 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:30;background:rgba(255,248,244,.92);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid rgba(240,216,210,.72)}
    .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}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a{padding:8px 12px;border-radius:999px;color:#5d4741;font-size:14px}
    .nav-links a:hover,.nav-links a:focus{background:#fff;border:1px solid var(--line)}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(216,31,38,.22)}
    .btn-ghost{background:#fff;color:#8b2a24;border:1px solid #efc2b9}
    .btn:hover{transform:translateY(-2px)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    main{padding:18px 0 22px}
    section{padding:20px 0}
    .hero{padding-top:12px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:stretch}
    .hero-card,.panel{background:linear-gradient(180deg,#fff 0%,#fff9f7 100%);border:1px solid rgba(240,216,210,.92);border-radius:26px;box-shadow:var(--shadow)}
    .hero-card{padding:30px;position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:999px;background:radial-gradient(circle,rgba(216,31,38,.12),rgba(216,31,38,0) 66%)}
    .hero-card:before{width:280px;height:280px;top:-120px;right:-90px}
    .hero-card:after{width:200px;height:200px;bottom:-90px;left:-90px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff0ee;color:#c72527;font-weight:700;font-size:13px;border:1px solid #ffd4cf}
    h1{margin:14px 0 12px;font-size:clamp(34px,5vw,54px);line-height:1.05;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.8;color:#4f413d;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .meta-item{background:rgba(255,255,255,.72);border:1px solid #f0ddd8;border-radius:18px;padding:14px}
    .meta-item strong{display:block;font-size:20px;color:#a4161f}
    .meta-item span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .side-top,.side-bottom{padding:20px}
    .side-top h2,.section-title h2{margin:0 0 10px;font-size:28px}
    .side-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .side-list li{display:flex;gap:10px;align-items:flex-start;color:#4f413d}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-top:7px;flex:none}
    .section-title{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:14px}
    .section-title p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .card{background:var(--panel);border:1px solid #f0ddd8;border-radius:22px;padding:20px;box-shadow:0 10px 26px rgba(125,48,48,.06);transition:.25s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(125,48,48,.12)}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p,.card li{color:#5a4a46;line-height:1.75}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#ffe2db,#fff);color:#c72027;font-weight:900;margin-bottom:14px;border:1px solid #ffd5ce}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative;padding:22px}
    .step .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:22px;border:1px solid #f0ddd8;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #f4e7e2;text-align:left;vertical-align:top}
    th{background:#fff4ef;color:#7a332c}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#fff0ee;color:#c61e26;font-size:12px;font-weight:700}
    .rating{font-size:18px;font-weight:800;color:#b11a22}
    .accordion{display:grid;gap:12px}
    details{background:#fff;border:1px solid #f0ddd8;border-radius:18px;padding:0 18px;box-shadow:0 10px 20px rgba(125,48,48,.05)}
    summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;color:#3a2c28}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:#5a4a46;line-height:1.75}
    .reviews,.articles,.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{font-size:15px;line-height:1.8;color:#564743}
    .quote:before{content:"“";font-size:28px;color:#d11f2a;line-height:0}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;border:1px solid #efc9c2;background:#fff;color:#7a3a31}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;padding:16px 0;border-bottom:1px dashed #eddad5}
    .timeline-item:last-child{border-bottom:none}
    .timeline-item strong{color:#b11b23}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-card form{display:grid;gap:14px}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #e8d7d1;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:122px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#d85f59;box-shadow:0 0 0 4px rgba(216,95,89,.12)}
    .footer{padding:18px 0 28px;border-top:1px solid #f0ddd8;background:#fff9f7;color:#3d312e}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .8fr;gap:18px;align-items:start}
    .footer a{color:#8a2e26}
    .mini{color:#6d5d58;line-height:1.8}
    .float-actions{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float-actions a,.float-actions button{width:48px;height:48px;border-radius:16px;border:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(216,31,38,.24);cursor:pointer}
    .kefu-box{display:grid;place-items:center;gap:10px;padding:14px;border-radius:18px;background:#fff;border:1px solid #f0ddd8}
    .kefu-box img{width:132px;height:132px;object-fit:cover;border-radius:14px;border:1px solid #f1e2de}
    .muted{color:var(--muted)}
    .article-link{display:block;color:#8a2e26;font-weight:700;margin-top:10px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .comparison-card{padding:22px;background:linear-gradient(180deg,#fff 0%,#fff7f4 100%)}
    .map{display:flex;flex-wrap:wrap;gap:10px}
    .map a{padding:10px 12px;border:1px solid #efcec7;border-radius:12px;background:#fff}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(12px);transition:.7s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.reviews,.articles,.cases,.workflow,.footer-grid,.split{grid-template-columns:1fr}
      .hero-meta{grid-template-columns:1fr}
      .nav-links{display:none;width:100%;padding:10px 0 0}
      header.open .nav-links{display:flex}
      .menu-toggle{display:inline-flex}
      .nav{flex-wrap:wrap}
      .nav-cta{margin-left:auto}
      .mobile-only{display:block}
      .section-title{align-items:start;flex-direction:column}
      .timeline-item{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
    }