:root{
      --bg:#fffaf6;
      --bg2:#fff2ea;
      --card:#ffffff;
      --text:#2a1f1c;
      --muted:#6b5850;
      --line:#f1d7cc;
      --brand:#d62f27;
      --brand2:#ff6a3d;
      --soft:#ffe6dd;
      --shadow:0 18px 50px rgba(136,51,34,.12);
      --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,var(--bg) 0%,#fff 20%,var(--bg2) 100%)}
    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(255,250,246,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(214,47,39,.08)}
    .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;border:1px solid #f3ddd3;padding:5px}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;font-size:14px;color:var(--text)}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 14px;align-items:center}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a:focus{color:var(--brand);background:var(--soft)}
    .home-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff!important;box-shadow:0 10px 25px rgba(214,47,39,.2)}
    .hero{padding:34px 0 18px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;background:radial-gradient(circle,rgba(214,47,39,.12),transparent 65%)}
    .hero::before{width:360px;height:360px;right:-120px;top:-100px}
    .hero::after{width:280px;height:280px;left:-100px;bottom:-80px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-copy,.hero-panel,.section-card,.quote-card,.review-card,.faq-item,.form-card,.price-card,.stat-card,.service-card,.case-card,.compare-card,.timeline-card,.network-card,.article-card,.tag-card{background:var(--card);border:1px solid rgba(214,47,39,.1);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:32px;position:relative;isolation:isolate}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--soft);color:var(--brand);font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.08}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:13px 18px;font-weight:700;cursor:pointer;transition:.25s;min-height:46px}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(214,47,39,.22)}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .stat-card{padding:16px}
    .stat-card b{display:block;font-size:24px;color:var(--brand)}
    .stat-card span{font-size:13px;color:var(--muted)}
    .hero-panel{padding:22px;display:grid;gap:16px}
    .mini-badges{display:flex;flex-wrap:wrap;gap:8px}
    .mini-badges span,.chip{background:#fff3ee;color:#8c362a;border:1px solid #f3d5ca;border-radius:999px;padding:8px 10px;font-size:12px}
    .panel-list{display:grid;gap:10px}
    .panel-item{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;background:#fff9f6;border:1px solid #f4ded4;border-radius:14px;font-size:14px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:clamp(22px,3vw,34px)}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:70ch}
    .section-card{padding:22px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .service-card,.case-card,.review-card,.article-card,.compare-card,.timeline-card,.network-card,.price-card,.tag-card{padding:18px}
    .service-card h3,.case-card h3,.review-card h3,.article-card h3,.compare-card h3,.timeline-card h3,.network-card h3,.price-card h3{margin:0 0 10px;font-size:18px}
    .service-card p,.case-card p,.review-card p,.article-card p,.compare-card p,.timeline-card p,.network-card p,.price-card p{margin:0;color:var(--muted);line-height:1.75}
    .bullet{display:grid;gap:10px;margin:14px 0 0;padding:0;list-style:none}
    .bullet li{display:flex;gap:10px;align-items:flex-start;color:var(--text);line-height:1.7}
    .bullet li::before{content:"";width:10px;height:10px;border-radius:50%;margin-top:.55em;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:0 0 auto}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:14px;border:1px solid #f0ddd5;border-radius:16px;background:#fffdfc}
    .timeline-item b{color:var(--brand)}
    .compare-wrap,.faq-wrap{display:grid;gap:12px}
    .compare-table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:18px}
    .compare-table th,.compare-table td{padding:14px 12px;border-bottom:1px solid #f1dfd7;text-align:left;vertical-align:top}
    .compare-table th{background:#fff2eb;color:#7a3227}
    .compare-table tr:hover td{background:#fffaf8}
    .highlight{color:var(--brand);font-weight:700}
    .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .step{padding:16px;border-radius:18px;border:1px solid #f0ddd4;background:linear-gradient(180deg,#fff, #fff8f5)}
    .step .num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:var(--soft);color:var(--brand);font-weight:800;margin-bottom:10px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:none;border:none;padding:18px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:16px;font-weight:700;color:var(--text);cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 18px}
    .faq-a p{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .faq-item.active .faq-a{max-height:220px}
    .faq-item.active .toggle{transform:rotate(45deg)}
    .toggle{transition:.25s;color:var(--brand);font-size:22px;line-height:1}
    .reviews,.articles,.tags,.network,.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review-card .meta{margin-top:12px;color:var(--brand);font-size:13px;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:10px 12px;border-radius:999px;border:1px solid #f1ddd4;background:#fff;color:#7b4e42;font-size:13px}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
    .form-card{padding:22px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    label{display:block;font-size:13px;color:var(--muted);margin:0 0 8px}
    input,select,textarea{width:100%;border:1px solid #ead7ce;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:#ff8a6a;box-shadow:0 0 0 4px rgba(255,106,61,.12)}
    .submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:14px}
    .contact-list{display:grid;gap:12px}
    .contact-item{padding:14px;border-radius:16px;background:#fff8f5;border:1px solid #f0ddd5}
    .footer{padding:24px 0 34px;background:#fff3ee;border-top:1px solid #f0ddd4;margin-top:8px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer a{color:#6d3429}
    .footnote{margin-top:14px;color:#7c665d;font-size:13px;line-height:1.7}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;border:none;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(214,47,39,.24);cursor:pointer}
    .float-panel{position:fixed;right:16px;bottom:80px;width:min(320px,calc(100vw - 32px));background:#fff;border:1px solid #efd9cf;border-radius:22px;box-shadow:var(--shadow);padding:14px;display:none;z-index:61}
    .float-panel.open{display:block}
    .float-panel img{border-radius:18px;border:1px solid #f0ddd5}
    .float-panel .small{font-size:13px;color:var(--muted);line-height:1.7;margin-top:10px}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    .scroll-x{overflow-x:auto}
    .scroll-x::-webkit-scrollbar{height:8px}
    .scroll-x::-webkit-scrollbar-thumb{background:#efb8a4;border-radius:999px}
    @media (max-width: 1080px){
      .hero-grid,.form-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.grid-3,.reviews,.articles,.tags,.network,.prices,.steps{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      .menu-btn{display:inline-flex}
      .nav-links{display:none;flex-direction:column;align-items:stretch;width:100%;padding:12px 0 0}
      .nav-links.open{display:flex}
      .nav{flex-wrap:wrap}
      .brand{flex:1}
      .hero{padding-top:20px}
      .hero-copy{padding:22px}
      .hero-stats,.grid-4,.grid-3,.reviews,.articles,.tags,.network,.prices,.steps,.form-row,.timeline-item{grid-template-columns:1fr}
      .compare-table th,.compare-table td{white-space:normal}
      .section-head{align-items:flex-start;flex-direction:column}
    }