:root{
      --bg:#f7f2ee;
      --panel:#fff9f5;
      --card:#ffffff;
      --text:#2c2321;
      --muted:#6f625d;
      --line:#ead9d1;
      --red:#b51f2d;
      --red2:#de3b38;
      --gold:#c98d2a;
      --shadow:0 18px 48px rgba(113, 40, 30, .10);
      --shadow2:0 10px 24px rgba(181, 31, 45, .12);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(222,59,56,.09), transparent 32%),
      radial-gradient(circle at top right, rgba(201,141,42,.08), transparent 28%),
      linear-gradient(180deg,#fffaf7 0%, #f7f2ee 100%);
      color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:60;background:rgba(255,250,247,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,217,209,.8)}
    .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}
    .brand strong{display:block;font-size:16px;letter-spacing:.4px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:#4d403b;padding:8px 0;position:relative;white-space:nowrap}
    .nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--red),var(--red2));transition:.25s}
    .nav a:hover::after,.nav a:focus::after{width:100%}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:700;font-size:14px;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.05)}
    .btn-ghost{background:#fff;color:var(--red);border-color:rgba(181,31,45,.18)}
    .btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .menu-toggle span{display:block;width:20px;height:2px;background:var(--red);margin:4px 0;border-radius:2px}
    main{display:block}
    section{padding:74px 0}
    .hero{padding:54px 0 34px}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.feature,.step,.quote,.faq-item,.article,.price,.form-wrap,.timeline,.compare,.network,.about-box{background:rgba(255,255,255,.85);border:1px solid rgba(234,217,209,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy::before,.hero-panel::before{content:"";position:absolute;inset:auto -40px -80px auto;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle, rgba(222,59,56,.13), transparent 65%);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:800;background:rgba(181,31,45,.08);border:1px solid rgba(181,31,45,.12);padding:8px 12px;border-radius:999px;font-size:13px}
    h1{margin:18px 0 14px;font-size:clamp(30px,4vw,54px);line-height:1.12;letter-spacing:-.6px}
    .lead{font-size:16px;color:#4f4340;max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{padding:14px 14px 12px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .mini b{display:block;font-size:16px;color:var(--red)}
    .mini span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
    .hero-panel{padding:26px;display:grid;gap:16px;align-content:space-between;position:relative;overflow:hidden}
    .panel-badge{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:18px;background:linear-gradient(135deg, rgba(181,31,45,.10), rgba(201,141,42,.10));border:1px solid rgba(181,31,45,.12)}
    .panel-badge strong{font-size:15px}
    .panel-badge span{color:var(--muted);font-size:13px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff7f3);border:1px solid var(--line)}
    .stat strong{display:block;font-size:28px;color:var(--red);line-height:1}
    .stat span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,36px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:66ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card,.feature,.step,.quote,.article,.price,.compare,.network,.about-box,.form-wrap,.timeline,.faq-item{padding:22px}
    .card h3,.feature h3,.step h3,.article h3,.quote h3,.price h3{margin:0 0 10px;font-size:18px}
    .card p,.feature p,.step p,.article p,.quote p,.price p,.about-box p,.network p{margin:0;color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#523f39}
    .feature{display:flex;flex-direction:column;gap:12px;min-height:100%}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(181,31,45,.13), rgba(222,59,56,.18));color:var(--red);font-weight:900}
    .feature ul,.about-list,.network-list{margin:0;padding-left:18px;color:#594c47}
    .feature li,.about-list li,.network-list li{margin:6px 0}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:84px 1fr;gap:14px;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .timeline-item strong{color:var(--red)}
    .compare table{width:100%;border-collapse:collapse}
    .compare th,.compare td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
    .compare th{color:#3c312d;background:#fff7f3}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(181,31,45,.08);color:var(--red);font-size:12px;font-weight:700}
    .rating{font-size:20px;font-weight:800;color:var(--gold)}
    .review{display:grid;gap:12px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center}
    .review .name{font-weight:800}
    .review .role{font-size:13px;color:var(--muted)}
    .stars{color:var(--gold);letter-spacing:2px}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article .meta{font-size:12px;color:var(--muted);margin-bottom:10px}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;font-weight:800;display:flex;justify-content:space-between;gap:16px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--red);font-size:20px;line-height:1}
    .faq-item[open] summary:after{content:"–"}
    .faq-item p{margin:12px 0 0;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    .field label{font-size:14px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    .field textarea{min-height:120px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(181,31,45,.45);box-shadow:0 0 0 4px rgba(181,31,45,.08)}
    .form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
    .footer{padding:28px 0 34px;border-top:1px solid rgba(234,217,209,.95);background:#fffaf7;color:#3b302c}
    .footer a{color:#4d403b}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer small{color:#6a5c57}
    .contact-inline{display:grid;gap:8px}
    .qr{display:flex;align-items:center;gap:14px}
    .qr img{width:96px;height:96px;object-fit:cover;border-radius:14px;border:1px solid var(--line);background:#fff}
    .floating{position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--red),var(--red2));color:#fff;box-shadow:var(--shadow2);font-weight:900}
    .mobile-menu{display:none}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-reveal.is-visible{opacity:1;transform:none}
    .table-scroll{overflow-x:auto}
    .home-link{font-weight:800;color:var(--red)}
    .logo-inline{display:inline-block;vertical-align:middle}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.article-list,.footer-grid,.two-col{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .nav{display:none}
      .menu-toggle{display:inline-grid}
      .mobile-menu{display:none;padding:0 0 16px}
      .mobile-menu.open{display:grid;gap:10px}
      .mobile-menu a,.mobile-menu button{width:100%;justify-content:flex-start}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width: 640px){
      section{padding:56px 0}
      .hero{padding-top:28px}
      .hero-copy,.hero-panel,.card,.feature,.step,.quote,.article,.price,.form-wrap,.timeline,.compare,.network,.about-box,.faq-item{padding:18px}
      .topbar{padding:12px 0}
      h1{font-size:clamp(28px,8vw,40px)}
      .form-grid{grid-template-columns:1fr}
      .compare th,.compare td{min-width:140px}
      .timeline-item{grid-template-columns:1fr}
    }