:root{
      --bg:#f7f4ef;
      --panel:#ffffff;
      --panel-2:#fff8f2;
      --ink:#142033;
      --muted:#5c6472;
      --line:#e7ddd1;
      --accent:#ff4d6d;
      --accent-2:#6c63ff;
      --accent-3:#00b8a9;
      --shadow:0 16px 40px rgba(20,32,51,.08);
      --radius:22px;
      --radius-sm:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at 12% 10%, rgba(255,77,109,.10), transparent 22%),
      radial-gradient(circle at 88% 14%, rgba(108,99,255,.10), transparent 20%),
      linear-gradient(180deg, #fffaf6 0%, #f7f4ef 36%, #f6f3ee 100%);
      color:var(--ink);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(247,244,239,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(231,221,209,.7)}
    .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;padding:4px;box-shadow:0 10px 24px rgba(20,32,51,.08)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.4px}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(255,77,109,.08)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:700;transition:.25s;cursor:pointer;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff7a59);color:#fff;box-shadow:0 14px 30px rgba(255,77,109,.26)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-ghost:hover{border-color:var(--accent);box-shadow:0 12px 24px rgba(255,77,109,.12)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;cursor:pointer}
    .hero{padding:42px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch}
    .hero-copy,.hero-side,.card,.section,.faq-item,.table-wrap,.review,.article,.form-shell{background:linear-gradient(180deg,#fff, #fffdf9);border:1px solid rgba(231,221,209,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-copy{padding:30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,77,109,.10);color:#c92548;font-size:13px;font-weight:700}
    h1{margin:18px 0 12px;font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.6px}
    .hero-copy p{margin:0;color:var(--muted);font-size:16px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .point{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff8f3,#fff);border:1px solid var(--line)}
    .point strong{display:block;font-size:20px}
    .point span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:18px;border-radius:18px;background:#fff7f4;border:1px solid rgba(255,77,109,.12)}
    .stat b{display:block;font-size:26px}
    .stat span{font-size:13px;color:var(--muted)}
    .mini-list{display:grid;gap:10px}
    .mini-item{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--muted)}
    .mini-item strong{color:var(--ink)}
    main{padding:6px 0 18px}
    .section{padding:26px;margin-top:20px}
    .section h2{margin:0 0 10px;font-size:clamp(24px,3vw,34px)}
    .section .lead{margin:0 0 20px;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .card{padding:18px;border-radius:20px}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff5f2;border:1px solid rgba(255,77,109,.12);font-size:13px;color:#a33b51}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#fff8f4);border:1px solid var(--line);position:relative}
    .step .num{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#ff8a65);color:#fff;font-weight:700;margin-bottom:12px}
    .compare{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
    th{background:#fff6f1;color:var(--ink)}
    td{color:var(--muted)}
    .highlight{color:#b72b4a;font-weight:700}
    .faq{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;border:0;background:transparent;color:var(--ink);padding:18px 20px;font-size:16px;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left}
    .faq-a{padding:0 20px 18px;color:var(--muted);display:none}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q{background:#fff8f4}
    .reviews,.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review cite{display:block;font-style:normal;font-weight:700;margin-bottom:8px}
    .review .role{font-size:13px;color:#a15b2b;margin-bottom:10px}
    .article .meta{font-size:12px;color:#8b8f97;margin-bottom:8px}
    .article a{color:#b72b4a;font-weight:700}
    .media-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .media-row img{border-radius:18px;border:1px solid var(--line);aspect-ratio:1/1;object-fit:cover;background:#fff}
    .form-shell{padding:22px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;color:var(--muted)}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--ink);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(255,77,109,.55);box-shadow:0 0 0 4px rgba(255,77,109,.08)}
    .form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .note{font-size:13px;color:var(--muted)}
    .footer{margin-top:20px;background:#1b1f2a;color:#edf1f7;padding:28px 0 18px}
    .footer .container{display:grid;gap:18px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
    .footer a{color:#ffd7a8}
    .footer small,.footer p{color:#c9d0db}
    .qr{display:flex;gap:14px;align-items:center}
    .qr img{width:112px;height:112px;object-fit:cover;border-radius:16px;background:#fff;padding:6px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{border:0;border-radius:999px;padding:12px 14px;background:linear-gradient(135deg,var(--accent-2),#00b8a9);color:#fff;box-shadow:0 14px 28px rgba(108,99,255,.25);cursor:pointer}
    .backtop{background:linear-gradient(135deg,#ff4d6d,#ff8a5b)}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .timeline{display:grid;gap:12px}
    .timeline .item{padding:14px 16px;border-radius:16px;background:#fffaf7;border:1px solid var(--line)}
    .price-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .price{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#fff6f2);border:1px solid var(--line)}
    .price b{font-size:26px}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.steps,.reviews,.articles,.footer-grid,.media-row,.price-row,.two-col,.hero-points,.stat-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex}
      .nav.open .nav-links,.nav.open .nav-cta{display:flex}
      .nav.open{align-items:flex-start;flex-wrap:wrap}
      .nav.open .nav-links{order:3;width:100%;justify-content:flex-start;padding-top:10px}
      .nav.open .nav-cta{order:4;width:100%}
      .hero-grid,.grid-3,.grid-4,.steps,.reviews,.articles,.footer-grid,.media-row,.price-row,.two-col,.hero-points,.stat-grid,form{grid-template-columns:1fr}
      .hero-copy,.hero-side,.section,.form-shell{padding:20px}
      h1{font-size:34px}
      .floating{right:12px;bottom:12px}
      .mobile-only{display:block}
    }