:root{
      --bg:#fff8f4;
      --bg2:#fff;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#5d6677;
      --line:#eadbd3;
      --brand:#d83c2f;
      --brand2:#ff6a3d;
      --accent:#ffefe8;
      --shadow:0 14px 40px rgba(183,66,43,.10);
      --shadow2:0 10px 24px rgba(34,41,56,.08);
      --radius:20px;
      --radius2:14px;
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(216,60,47,.08), transparent 25%),
        radial-gradient(circle at 85% 15%, rgba(255,106,61,.10), transparent 22%),
        linear-gradient(180deg, #fff8f4 0%, #fffdfb 42%, #fff8f4 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(14px);
      background:rgba(255,248,244,.88);
      border-bottom:1px solid rgba(234,219,211,.85);
    }
    .topbar{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:10px; background:#fff; box-shadow:0 6px 18px rgba(0,0,0,.08)}
    .brand-text{display:flex; flex-direction:column; line-height:1.1; min-width:0}
    .brand-text strong{font-size:18px; letter-spacing:.2px}
    .brand-text span{font-size:12px; color:var(--muted)}
    .nav-wrap{display:flex; align-items:center; gap:14px}
    .nav-toggle{display:none; border:1px solid var(--line); background:#fff; color:var(--text); border-radius:12px; padding:10px 12px; font-size:14px}
    nav{display:flex; align-items:center; gap:18px; flex-wrap:wrap}
    nav a{font-size:14px; color:#334; padding:8px 0; position:relative}
    nav a::after{content:""; position:absolute; left:0; bottom:-4px; width:100%; height:2px; background:linear-gradient(90deg,var(--brand),var(--brand2)); transform:scaleX(0); transform-origin:left; transition:.25s}
    nav a:hover::after, nav a:focus::after{transform:scaleX(1)}
    .home-link{
      padding:10px 16px; border-radius:999px;
      background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff; font-weight:700; box-shadow:0 10px 22px rgba(216,60,47,.22);
    }
    .hero{padding:42px 0 22px}
    .hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:stretch}
    .hero-main{
      position:relative;
      padding:30px;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(255,246,241,.96)),
        linear-gradient(135deg, rgba(216,60,47,.08), rgba(255,106,61,.04));
      border:1px solid rgba(234,219,211,.92);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-main::before,.hero-main::after{
      content:""; position:absolute; border-radius:999px; pointer-events:none;
      background:linear-gradient(135deg, rgba(216,60,47,.18), rgba(255,106,61,.08));
    }
    .hero-main::before{width:220px;height:220px; right:-70px; top:-70px; filter:blur(10px)}
    .hero-main::after{width:150px;height:150px; right:50px; bottom:-60px; filter:blur(12px)}
    .kicker{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px; background:var(--accent); color:#a72f24; font-size:13px; font-weight:700}
    h1{margin:16px 0 14px; font-size:clamp(32px, 5vw, 52px); line-height:1.08; letter-spacing:-.5px}
    .lead{font-size:16px; line-height:1.9; color:var(--muted); max-width:58ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:10px;
      padding:13px 18px; border-radius:14px; border:1px solid transparent;
      font-weight:700; transition:.25s ease; cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 12px 26px rgba(216,60,47,.22)}
    .btn-outline{background:#fff; color:var(--text); border-color:var(--line)}
    .btn:hover{transform:translateY(-2px); box-shadow:var(--shadow2)}
    .hero-badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:20px}
    .pill{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#425; font-size:13px}
    .hero-side{display:grid; gap:16px}
    .mini-card{
      padding:20px; border-radius:22px; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow2)
    }
    .mini-card h2,.mini-card h3,.section-title h2{margin:0}
    .mini-card h3{font-size:18px}
    .mini-card p{margin:10px 0 0; color:var(--muted); line-height:1.7; font-size:14px}
    .metric-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin:22px 0 8px}
    .metric{
      background:rgba(255,255,255,.92); border:1px solid var(--line); border-radius:22px; padding:18px;
      box-shadow:var(--shadow2); transition:.22s ease;
    }
    .metric:hover,.card:hover,.review:hover,.case:hover,.article:hover{transform:translateY(-3px)}
    .metric strong{display:block; font-size:24px; color:#181d27}
    .metric span{display:block; margin-top:8px; font-size:14px; color:var(--muted); line-height:1.5}
    section{padding:22px 0}
    .section-title{display:flex; justify-content:space-between; align-items:end; gap:16px; margin-bottom:16px}
    .section-title p{margin:0; color:var(--muted); line-height:1.7}
    .section-title h2{font-size:28px}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:16px}
    .card{
      background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
      padding:20px; box-shadow:var(--shadow2); transition:.22s ease;
    }
    .card h3{margin:0 0 10px; font-size:18px}
    .card p,.card li{color:var(--muted); line-height:1.8}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#2b3340; font-size:13px}
    .flow{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .step{
      position:relative; padding:20px; border-radius:22px; background:linear-gradient(180deg,#fff, #fff9f6); border:1px solid var(--line);
    }
    .step .num{display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border-radius:50%; background:var(--accent); color:#9b2d23; font-weight:800; margin-bottom:12px}
    .compare{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow2)}
    table{width:100%; border-collapse:collapse; min-width:860px}
    th,td{padding:16px 14px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top}
    th{background:#fff6f2; color:#1d2430; font-size:14px}
    td{color:var(--muted); font-size:14px}
    .highlight{color:#a52f24; font-weight:700}
    .two-col{display:grid; grid-template-columns:1fr 1fr; gap:16px}
    .faq details{
      border:1px solid var(--line); border-radius:18px; background:#fff; overflow:hidden; box-shadow:var(--shadow2)
    }
    .faq summary{
      list-style:none; cursor:pointer; padding:18px 20px; font-weight:700; color:#243041; display:flex; justify-content:space-between; align-items:center; gap:12px
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq .ans{padding:0 20px 18px; color:var(--muted); line-height:1.8}
    .faq .ans p{margin:0}
    .cases,.reviews,.articles{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .case .meta,.review .meta,.article .meta{color:var(--muted); font-size:13px; margin-bottom:8px}
    .rating{display:flex; gap:4px; color:#f0a11a; font-size:18px; margin-bottom:10px}
    .article a{color:#a52f24; font-weight:700}
    .contact-wrap{display:grid; grid-template-columns:1.05fr .95fr; gap:16px; align-items:start}
    form{display:grid; gap:12px}
    .field{display:grid; gap:8px}
    label{font-size:14px; font-weight:700; color:#2a3140}
    input,select,textarea{
      width:100%; padding:13px 14px; border-radius:14px; border:1px solid #d9d0c8; background:#fff; color:var(--text); outline:none; font:inherit;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#e0725d; box-shadow:0 0 0 4px rgba(216,60,47,.08)}
    .side-list{display:grid; gap:12px}
    .side-item{padding:16px; border-radius:18px; background:#fff; border:1px solid var(--line)}
    .side-item strong{display:block; margin-bottom:6px}
    .float-contact{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px;
    }
    .float-contact a,.to-top{
      width:54px; height:54px; border-radius:18px; display:flex; align-items:center; justify-content:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 16px 30px rgba(216,60,47,.22);
      border:none; cursor:pointer;
    }
    .to-top{display:none}
    footer{
      margin-top:8px; padding:24px 0 28px; border-top:1px solid var(--line);
      background:#fff8f4; color:#283041;
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr .8fr; gap:18px}
    .footer-grid a{color:#2a3444}
    .footer-grid a:hover{color:var(--brand)}
    .footer-note{margin-top:14px; font-size:13px; color:var(--muted); line-height:1.8}
    .qr{display:flex; align-items:center; gap:14px}
    .qr img{width:110px; height:110px; object-fit:cover; border-radius:16px; border:1px solid var(--line)}
    .fade-up{animation:fadeUp .7s ease both}
    @keyframes fadeUp{from{opacity:0; transform:translateY(12px)}to{opacity:1; transform:translateY(0)}}
    @media (max-width: 1080px){
      .hero-grid,.contact-wrap,.footer-grid,.grid-3,.cases,.reviews,.articles{grid-template-columns:1fr 1fr}
      .metric-grid,.flow,.grid-2{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 780px){
      .topbar{flex-wrap:wrap}
      .nav-toggle{display:inline-flex}
      nav{display:none; width:100%; padding:12px 0 4px; gap:14px}
      nav.open{display:flex; flex-direction:column; align-items:flex-start}
      .hero{padding-top:20px}
      .hero-grid,.contact-wrap,.footer-grid,.grid-3,.grid-2,.metric-grid,.flow,.cases,.reviews,.articles{grid-template-columns:1fr}
      .section-title{align-items:flex-start; flex-direction:column}
      .hero-main{padding:24px}
      .hero-actions{gap:10px}
      .btn{width:100%}
      .metric strong{font-size:22px}
      .float-contact{right:12px; bottom:12px}
    }