:root{
      --bg:#f7f5f0;
      --bg2:#ffffff;
      --card:#fffdf8;
      --text:#1f2937;
      --muted:#5f6b7a;
      --line:#e7dfd1;
      --accent:#ff4d6d;
      --accent2:#5b7cfa;
      --accent3:#12b886;
      --shadow:0 14px 40px rgba(31,41,55,.08);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial,Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#fff 0%,#faf7f2 24%,#f7f5f0 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,252,247,.92);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid rgba(231,223,209,.85)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{background:#ffe7eb;color:#b11538}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff8a00);color:#fff;box-shadow:0 12px 30px rgba(255,77,109,.28)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}
    .btn-secondary:hover{border-color:#f3b8c4;color:#b11538}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{position:relative;overflow:hidden;padding:56px 0 28px}
    .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none}
    .hero:before{width:220px;height:220px;background:radial-gradient(circle, rgba(255,77,109,.18), transparent 65%);right:-50px;top:30px}
    .hero:after{width:240px;height:240px;background:radial-gradient(circle, rgba(91,124,250,.16), transparent 65%);left:-70px;bottom:-40px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-panel,.section-card,.feature-card,.review-card,.faq-item,.article-card,.step-card,.metric,.quote-card,.compare-card,.network-card,.price-card,.tag-cloud,.form-card{background:var(--card);border:1px solid rgba(231,223,209,.85);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#b11538;background:#ffe7eb;border-radius:999px;padding:8px 12px}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:17px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .chip{display:inline-flex;align-items:center;gap:6px;padding:9px 12px;border-radius:999px;background:#fff4f1;color:#a42a3d;border:1px solid #ffd2da;font-size:13px}
    .hero-panel{padding:24px;display:flex;flex-direction:column;gap:16px}
    .panel-top{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .metric{padding:18px}
    .metric strong{display:block;font-size:28px;line-height:1;color:#111827}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px;line-height:1.5}
    .panel-note{padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff1f4,#f2f7ff);border:1px solid #f1d7dc;color:#30405a;line-height:1.7}
    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:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:68ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .feature-card,.step-card,.review-card,.article-card,.network-card,.price-card,.quote-card,.compare-card{padding:20px}
    .feature-card h3,.step-card h3,.review-card h3,.article-card h3,.network-card h3,.price-card h3{margin:0 0 10px;font-size:18px}
    .feature-card p,.step-card p,.review-card p,.article-card p,.network-card p,.price-card p,.quote-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon-badge{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#ffe1e7,#e9efff);color:#a51d40;font-weight:800;margin-bottom:14px}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step-card{position:relative}
    .step-card .num{position:absolute;top:16px;right:16px;font-size:36px;font-weight:800;color:rgba(255,77,109,.12)}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}
    th,td{padding:14px 16px;border-bottom:1px solid #eee;text-align:left;vertical-align:top}
    th{background:#fff6f2;color:#9f2a3f;font-size:14px}
    td{color:var(--text);font-size:14px;line-height:1.65}
    .compare-hero{display:grid;grid-template-columns:1fr .9fr;gap:16px;align-items:start}
    .score-box{padding:20px;border-radius:18px;background:linear-gradient(135deg,#fff5f2,#f2f7ff);border:1px solid #f0d5dc}
    .score-box strong{display:block;font-size:42px;line-height:1;color:#b11538;margin:8px 0}
    .stars{color:#ffb400;letter-spacing:2px;font-size:20px}
    .tags,.cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag,.cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#334155}
    .timeline{display:grid;gap:14px}
    .timeline-item{display:grid;grid-template-columns:80px 1fr;gap:14px;align-items:start;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .timeline-item b{color:#a51d40}
    .testimonials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review-card .role{color:#a51d40;font-size:13px;font-weight:700;margin-bottom:8px}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:#fff;border:0;color:var(--text);text-align:left;font-size:16px;font-weight:700;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 20px}
    .faq-item.open .faq-a{padding-bottom:18px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.75}
    .article-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .article-card time{display:inline-block;font-size:12px;color:#a51d40;background:#fff1f4;border-radius:999px;padding:6px 10px;margin-bottom:12px}
    .form-card{padding:24px}
    form{display:grid;gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#334155}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);background:#fff;outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#f48ca0;box-shadow:0 0 0 4px rgba(255,77,109,.08)}
    textarea{min-height:118px;resize:vertical}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .footer{margin-top:12px;padding:28px 0 34px;background:#fff;border-top:1px solid var(--line);color:#1f2937}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .footer p,.footer a{color:#445064}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:8px 10px;border-radius:999px;background:#f8fafc;border:1px solid #e5e7eb}
    .subfooter{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:16px;padding-top:16px;border-top:1px dashed #e5e7eb;color:#5b6472;font-size:13px}
    .floating{position:fixed;right:16px;bottom:18px;z-index:60;display:grid;gap:10px}
    .float-btn{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent2),#7c3aed);color:#fff;box-shadow:0 14px 30px rgba(91,124,250,.28)}
    .float-btn.secondary{background:linear-gradient(135deg,var(--accent),#ff8a00)}
    .mobile-only{display:none}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.compare-hero,.grid-3,.grid-2,.workflow,.testimonials,.article-list,.footer-grid,.form-grid{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:70px;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
      .mobile-only{display:inline-flex}
      .hero{padding-top:24px}
    }