:root{--bg:#fff8ef;--bg2:#ffffff;--card:#fffdf9;--text:#1f2430;--muted:#5f6778;--line:#eadfd1;--brand:#ef5b3d;--brand2:#ffb31a;--brand3:#255cff;--shadow:0 18px 50px rgba(38,49,71,.09);--radius:22px;--container:1180px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,#fff7ea 0%,#fffdfa 24%,#ffffff 100%);line-height:1.65}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%} .container{width:min(100% - 32px,var(--container));margin:0 auto}
    header{position:sticky;top:0;z-index:30;background:rgba(255,251,245,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,223,209,.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 .text{display:flex;flex-direction:column;min-width:0}
    .brand h2{margin:0;font-size:18px;line-height:1.1}
    .brand small{color:var(--muted)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    nav ul{list-style:none;display:flex;gap:18px;margin:0;padding:0;flex-wrap:wrap;align-items:center}
    nav a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.25s ease}
    nav a:hover{background:#fff1e6;color:#c44424}
    .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:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7b39);color:#fff;box-shadow:0 12px 26px rgba(239,91,61,.23)}
    .btn-primary:hover{transform:translateY(-1px);filter:saturate(1.05)}
    .btn-soft{background:#fff;border:1px solid var(--line);color:var(--text)}
    .hero{padding:56px 0 28px;position:relative;overflow:hidden}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(20px);opacity:.65;pointer-events:none}
    .hero:before{width:300px;height:300px;background:radial-gradient(circle,rgba(255,179,26,.25),transparent 68%);right:-100px;top:20px}
    .hero:after{width:260px;height:260px;background:radial-gradient(circle,rgba(37,92,255,.16),transparent 70%);left:-120px;bottom:-30px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.quote,.faq-item,.form-wrap,.info-block,.compare,.article,.timeline,.service-net{background:rgba(255,255,255,.82);border:1px solid rgba(234,223,209,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff1e6;color:#b63f21;border:1px solid #ffd9c6;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:17px;color:var(--muted);max-width:42em}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
    .stat{background:linear-gradient(180deg,#fff,#fff8f0);border:1px solid var(--line);border-radius:18px;padding:16px}
    .stat strong{display:block;font-size:24px;color:#191e28}
    .stat span{color:var(--muted);font-size:13px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-box{border-radius:18px;padding:16px;background:linear-gradient(135deg,#fff6ec,#fffdf9);border:1px solid var(--line)}
    .side-title{margin:0 0 8px;font-size:16px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#394150}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:0 0 18px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:60ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card,.panel{padding:20px}
    .card h3,.panel h3{margin:0 0 10px;font-size:18px}
    .card p,.panel p{margin:0;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#ffe6dd,#fff);color:#c24425;font-weight:900;margin-bottom:14px}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .pill{background:#fff7ef;border:1px solid #f0dccb;color:#8e4b2f;padding:7px 11px;border-radius:999px;font-size:13px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:12px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
    .dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-top:8px;flex:0 0 auto}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fffaf3);border:1px solid var(--line)}
    .step b{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:#fff0e7;color:#c14222;margin-bottom:12px}
    .compare{overflow:hidden}
    .table-wrap{overflow-x:auto}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#fff6ef;color:#222}
    td{color:var(--muted)}
    .check{color:#14804a;font-weight:700}
    .rank{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{padding:20px}
    .quote .meta{display:flex;justify-content:space-between;gap:12px;margin-top:18px;color:var(--muted);font-size:13px}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article a{color:#2145d6;font-weight:700}
    .article .meta{margin-top:10px;color:var(--muted);font-size:13px}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;background:transparent;border:none;padding:18px 20px;font-size:16px;font-weight:700;color:var(--text);cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px;color:var(--muted)}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .form-wrap{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .full{grid-column:1/-1}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:#283041}
    input,select,textarea{width:100%;border:1px solid #dccfbf;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    textarea{min-height:130px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ff9e66;box-shadow:0 0 0 4px rgba(255,158,102,.14)}
    .footer-top{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}
    footer{margin-top:18px;background:#171c27;color:#e9edf8}
    footer a{color:#fff1cb}
    .footer-inner{padding:26px 0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:18px}
    .footer-card h3{margin:0 0 10px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:7px 10px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.03)}
    .bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:16px;margin-top:18px;color:#cfd6e4;font-size:13px}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:54px;height:54px;border-radius:18px;border:none;display:grid;place-items:center;box-shadow:0 12px 30px rgba(0,0,0,.14);cursor:pointer}
    .float-tools a{background:linear-gradient(135deg,var(--brand),#ff7a3a);color:#fff}
    .float-tools button{background:#fff;color:var(--text);border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .service-net,.timeline,.info-block{padding:20px}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:start;padding:14px 0;border-bottom:1px dashed var(--line)}
    .timeline-item:last-child{border-bottom:none;padding-bottom:0}
    .timeline-item b{color:#c34422}
    .mini-links{display:grid;gap:10px}
    .mini-links a{display:block;padding:10px 12px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--text)}
    .center{text-align:center}
    .muted{color:var(--muted)}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-3,.grid-4,.steps,.rank,.quote-grid,.article-list,.footer-grid,.footer-top,.service-net,.timeline,.form-wrap,.footer-inner,.hero-main,.hero-side{grid-template-columns:1fr}
      .hero-grid,.split,.rank,.footer-top,.footer-grid{display:grid}
      .grid-4{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}
      .quote-grid,.article-list{grid-template-columns:1fr 1fr}
      .footer-top{grid-template-columns:1fr}
      nav{display:none}
      .menu-btn{display:inline-flex}
      .nav.open nav{display:block;position:absolute;left:16px;right:16px;top:66px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav.open nav ul{flex-direction:column;align-items:flex-start}
      .nav.open .nav-cta{display:none}
      .mobile-only{display:block}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 22px,var(--container))}
      .hero{padding-top:36px}
      .hero-main,.hero-side,.card,.panel,.quote,.form-wrap,.info-block,.compare,.article,.timeline,.service-net{padding:18px}
      .hero-stats,.grid-4,.steps,.quote-grid,.article-list{grid-template-columns:1fr}
      h1{font-size:30px}
      .section-head{flex-direction:column;align-items:flex-start}
      form{grid-template-columns:1fr}
      .float-tools{right:12px;bottom:12px}
    }