:root{--bg:#fff9f4;--bg2:#fffdfb;--card:#ffffff;--text:#1f2430;--muted:#667085;--line:#ebe3db;--brand:#ff5f2e;--brand2:#ffb347;--brand3:#4d7cff;--shadow:0 14px 40px rgba(31,36,48,.08);--radius:22px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#fff8f1 0%,#fffdfb 36%,#f8fbff 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}
    .topbar{position:sticky;top:0;z-index:40;background:rgba(255,251,247,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(235,227,219,.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 .logo{width:42px;height:42px;border-radius:12px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:4px}
    .brand h2{font-size:16px;line-height:1.15;margin:0}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .menu{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}
    .menu a{padding:9px 12px;border-radius:999px;color:#334155;font-size:14px}
    .menu a:hover,.menu a.active{background:#fff;color:var(--brand);box-shadow:0 8px 18px rgba(255,95,46,.12)}
    .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:14px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7b56);color:#fff;box-shadow:0 12px 24px rgba(255,95,46,.24)}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:#243041}
    .btn:hover{transform:translateY(-2px)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px}
    .hero{padding:30px 0 18px}
    .hero-wrap{display:grid;grid-template-columns:1.18fr .82fr;gap:20px;align-items:stretch}
    .hero-card,.panel,.card,.faq-item,.review,.article,.timeline li,.compare,.form-card{background:linear-gradient(180deg,#fff 0%,#fffdfb 100%);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:30px;position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;background:linear-gradient(135deg,rgba(255,95,46,.16),rgba(77,124,255,.14));filter:blur(10px)}
    .hero-card:before{width:180px;height:180px;right:-40px;top:-40px}.hero-card:after{width:140px;height:140px;left:-20px;bottom:-40px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#a14a1d;background:rgba(255,95,46,.08);border:1px solid rgba(255,95,46,.12);padding:8px 12px;border-radius:999px}
    h1{font-size:clamp(32px,6vw,54px);line-height:1.06;margin:18px 0 14px;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.75;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini{padding:14px;border-radius:18px;background:#fff7f1;border:1px solid rgba(255,95,46,.12)}
    .mini b{display:block;font-size:18px;margin-bottom:4px}
    .mini span{color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{display:grid;gap:14px}
    .panel{padding:20px}
    .panel h3{margin:0 0 10px;font-size:18px}
    .tagcloud{display:flex;flex-wrap:wrap;gap:10px}
    .tagcloud span{padding:9px 12px;border-radius:999px;background:#f8fbff;border:1px solid #e2eaf8;color:#274060;font-size:13px}
    .section{padding:22px 0}
    .section h2{font-size:28px;margin:0 0 12px}
    .section .sub{margin:0 0 18px;color:var(--muted);line-height:1.75}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .card{padding:18px}
    .card h3,.article h3,.review h3{margin:0 0 10px;font-size:18px}
    .card p,.article p,.review p,.compare td,.compare th,.form-card label,.faq-item p{color:var(--muted);line-height:1.7}
    .metric{font-size:32px;font-weight:800;color:#11243e}
    .metric small{font-size:13px;color:var(--muted);font-weight:600}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;position:relative;overflow:hidden}
    .step b{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;margin-bottom:14px}
    .compare{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #f0e8e0;text-align:left;vertical-align:top}
    th{background:#fff7f1;color:#243041}
    .check{color:#137a3a;font-weight:700}.bad{color:#b42318;font-weight:700}
    .split{display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:start}
    .video-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .media-box{padding:14px}
    .media-box .thumb{border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#f7fafc}
    .media-box img{width:100%;height:auto}
    .reviews,.articles,.faq-list,.timeline,.service-map{display:grid;gap:14px}
    .review{padding:18px}
    .review .role{font-size:13px;color:#8a5a2e;font-weight:700;margin-bottom:10px}
    .timeline li{list-style:none;padding:18px}
    .timeline ul{padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .faq-item{padding:16px 18px}
    .faq-item button{width:100%;background:none;border:0;text-align:left;padding:0;font:inherit;color:#243041;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer}
    .faq-item .ans{display:none;padding-top:12px}
    .faq-item.open .ans{display:block}
    .faq-item .plus{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff1ea;color:var(--brand);flex:0 0 auto}
    .form-card{padding:20px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .full{grid-column:1/-1}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid #dfe7ef;border-radius:14px;background:#fff;color:#1f2430;font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ff8a5e;box-shadow:0 0 0 4px rgba(255,95,46,.12)}
    .footer{margin-top:22px;padding:24px 0 28px;background:#fff7f1;border-top:1px solid #f1dfd2;color:#2b3443}
    .footer a{color:#1f4fbf}
    .footer-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    .links{display:flex;flex-wrap:wrap;gap:10px}
    .links a{padding:8px 12px;background:#fff;border:1px solid #eadfd5;border-radius:999px}
    .fixed-kefu,.top-btn{position:fixed;right:18px;z-index:50}
    .fixed-kefu{bottom:18px}
    .top-btn{bottom:92px}
    .float-card{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:999px;background:linear-gradient(135deg,#ff6a3d,#ffb347);color:#fff;box-shadow:0 16px 34px rgba(255,95,46,.28)}
    .float-card img{width:34px;height:34px;border-radius:10px;object-fit:cover;border:2px solid rgba(255,255,255,.8)}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .subtle{color:var(--muted);font-size:13px}
    .mobile-home{display:none}
    @media (max-width: 980px){
      .hero-wrap,.split,.footer-grid,.grid-4,.grid-3,.flow,.timeline ul,.video-grid{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .menu{display:none}.menu.open{display:flex;flex-direction:column;align-items:flex-start;width:100%;padding:12px 0 6px}
      .nav{flex-wrap:wrap}.mobile-toggle{display:inline-grid;place-items:center}
      .nav-actions{margin-left:auto}
      .mobile-home{display:inline-flex}
      form{grid-template-columns:1fr}
    }