:root{
      --bg:#fff8f6;
      --bg2:#fff1ed;
      --card:#ffffff;
      --text:#231b1b;
      --muted:#6b5754;
      --line:#f0d8d3;
      --brand:#d61f2c;
      --brand2:#ff5a3c;
      --accent:#ff8a3d;
      --shadow:0 18px 40px rgba(214,31,44,.12);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fffdfc 0,#fff6f2 42%,#fff3ef 100%);color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(255,248,246,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(240,216,211,.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 img{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:1.02rem}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:.94rem;color:var(--text);padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:3px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--accent));transition:.25s}
    .nav-links a:hover::after{width:100%}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .hero{padding:42px 0 28px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.review,.faq-item,.form-card,.price-box,.timeline-item,.compare,.case,.article,.contact-card{background:linear-gradient(180deg,#fff 0,#fffaf8 100%);border:1px solid rgba(240,216,211,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:999px;pointer-events:none}
    .hero-main::before{width:260px;height:260px;background:radial-gradient(circle,rgba(255,90,60,.18),transparent 70%);right:-80px;top:-60px}
    .hero-main::after{width:180px;height:180px;background:radial-gradient(circle,rgba(214,31,44,.12),transparent 70%);left:-50px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff3ee;color:#b32623;font-size:.84rem;font-weight:700}
    h1{margin:16px 0 12px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.02em}
    .lead{font-size:1.05rem;color:var(--muted);max-width:46em}
    .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-weight:700;transition:.22s ease;cursor:pointer;border:1px solid transparent}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(214,31,44,.22)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
    .metric{padding:16px;border:1px solid rgba(240,216,211,.95);border-radius:18px;background:rgba(255,255,255,.78)}
    .metric strong{display:block;font-size:1.45rem;color:var(--brand)}
    .metric span{color:var(--muted);font-size:.92rem}
    .hero-side{padding:18px;display:grid;gap:14px}
    .hero-side .mini{padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff7f4,#fff);border:1px solid var(--line)}
    .mini h3{margin:0 0 8px;font-size:1rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 11px;border-radius:999px;background:#fff3ef;border:1px solid #f2d4cd;font-size:.86rem;color:#8d3b31}
    section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:1.55rem}
    .section-head p{margin:0;color:var(--muted);max-width:48em}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .info-card,.review,.case,.article,.contact-card,.price-box,.timeline-item{padding:18px}
    .info-card h3,.review h3,.case h3,.article h3{margin:0 0 10px;font-size:1.05rem}
    .info-card p,.review p,.case p,.article p{margin:0;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#ffe7e1,#fff);color:var(--brand);font-weight:900;margin-bottom:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .step b{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:#fff0ec;color:var(--brand);margin-bottom:10px}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:780px}
    th,td{padding:14px 16px;border-bottom:1px solid #f4e3df;text-align:left;vertical-align:top}
    th{background:#fff4ef;color:#7b2d24}
    tr:hover td{background:#fffaf8}
    .compare-badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#fff1ed;color:#b32623;font-weight:700;font-size:.85rem}
    .rating{font-size:2rem;font-weight:900;color:var(--brand)}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 18px 18px 18px;font-weight:700}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .answer{padding:0 18px 18px;color:var(--muted)}
    .reviews,.cases,.articles,.prices,.timeline,.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .timeline{grid-template-columns:repeat(4,1fr)}
    .price-box .price{font-size:1.7rem;font-weight:900;color:var(--brand)}
    .price-box ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    input,select,textarea{width:100%;border:1px solid #ead4cf;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:128px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#e1695b;box-shadow:0 0 0 4px rgba(255,90,60,.08)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
    .footer{margin-top:18px;padding:24px 0 30px;background:#fff6f2;border-top:1px solid #f0d8d3;color:var(--text)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer a{color:#8f2d28}
    .fine{color:var(--muted);font-size:.92rem}
    .float-box{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:999px;padding:12px 16px;box-shadow:0 16px 30px rgba(214,31,44,.24)}
    .backtop{justify-content:center}
    .reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    .mobile-only{display:none}
    .home-link{font-weight:800;color:#8e2a23}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.grid-2,.reviews,.cases,.articles,.prices,.timeline,.contact-grid,.steps,.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .menu-btn{display:inline-flex}
      .hero{padding-top:22px}
      .hero-grid,.grid-3,.grid-2,.reviews,.cases,.articles,.prices,.timeline,.contact-grid,.steps,.footer-grid,.metrics,.form-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-main{padding:24px}
      .mobile-only{display:block}
      .desktop-only{display:none}
    }