:root{--bg:#fffaf8;--card:#ffffff;--card2:#fff3f2;--line:#f1d9d7;--text:#231f20;--muted:#6f5f63;--primary:#ef426f;--primary2:#ff7a90;--accent:#ffb3c0;--shadow:0 18px 50px rgba(233,72,109,.12);--radius:22px;--container:1180px}
    *{box-sizing:border-box} html{scroll-behavior:smooth}
    body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:
      radial-gradient(circle at top left, rgba(239,66,111,.10), transparent 28%),
      radial-gradient(circle at top right, rgba(255,122,144,.12), transparent 24%),
      linear-gradient(180deg,#fff7f6 0%,#fffdfd 34%,#fff8f8 100%);color:var(--text);line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(255,250,248,.82);border-bottom:1px solid rgba(241,217,215,.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 .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px}
    .brand h2{margin:0;font-size:18px;line-height:1.2}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .navlinks{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .navlinks a{font-size:14px;color:#43363a;padding:8px 10px;border-radius:999px}
    .navlinks a:hover{background:#fff;border:1px solid var(--line)}
    .nav-cta{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;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#ff6a7f);color:#fff;box-shadow:0 14px 30px rgba(239,66,111,.22)}
    .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px);filter:saturate(1.02)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{padding:28px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.quote-card,.form-card,.faq-item,.article-card,.step-card,.service-card,.compare-card,.review-card,.timeline-card,.price-card{background:var(--card);border:1px solid rgba(241,217,215,.9);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:50%;background:radial-gradient(circle, rgba(239,66,111,.16), transparent 60%)}
    .hero-main:before{width:260px;height:260px;right:-80px;top:-70px}
    .hero-main:after{width:180px;height:180px;left:-50px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#fff0f3,#ffe4ea);border:1px solid #f6ccd4;color:#b51e49;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);max-width:62ch;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .point{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff7f8);border:1px solid #f3dadd}
    .point strong{display:block;font-size:18px;color:var(--primary)}
    .hero-side{padding:22px;background:linear-gradient(180deg,#fff, #fff6f7)}
    .side-top{display:grid;gap:14px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .stat .num{font-size:24px;font-weight:800;color:#a91846}
    .section{padding:18px 0}
    .section h2{margin:0 0 14px;font-size:28px}
    .section .lead{color:var(--muted);margin:-4px 0 18px;max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .service-card,.step-card,.review-card,.compare-card,.article-card,.timeline-card,.price-card{padding:20px}
    .service-card h3,.step-card h3,.review-card h3,.article-card h3,.price-card h3{margin:0 0 10px;font-size:18px}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;background:#fff1f4;color:#b31e49;border-radius:999px;font-size:12px;font-weight:700}
    .list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .list li{position:relative;padding-left:18px;color:#4c3c41}
    .list li:before{content:"";position:absolute;left:0;top:.75em;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2))}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .flow .step-card{position:relative}
    .flow .step-card .step{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #f4e4e4;vertical-align:top}
    th{background:#fff6f7;color:#512d36;font-size:14px}
    .highlight{color:#aa1844;font-weight:800}
    .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);font-size:16px;font-weight:700;cursor:pointer;text-align:left}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px;color:var(--muted)}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:18px}
    .faq-icon{transition:transform .3s ease}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .quote-card{padding:18px}
    .reviews .review-card{display:grid;gap:12px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .stars{color:#ff9a00;letter-spacing:2px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;background:#fff;border:1px solid var(--line);border-radius:999px;color:#573c44;font-size:13px}
    .article-card a.more{display:inline-flex;margin-top:10px;color:#b31e49;font-weight:700}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid #e8d4d6;border-radius:14px;background:#fff;color:var(--text);font:inherit}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:18px;background:#fff2f4;border-top:1px solid #f0d3d8;color:#3f2f33}
    .footer a{color:#a91d47}
    .footer-grid{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:20px;padding:28px 0}
    .mini{color:var(--muted);font-size:14px}
    .footer-bottom{padding:14px 0;border-top:1px solid #efd8dc;color:#6c5a5f;font-size:13px}
    .float-box{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),#ff7487);color:#fff;font-weight:800;box-shadow:0 16px 34px rgba(239,66,111,.25)}
    .toast-link{display:flex;align-items:center;justify-content:center;padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:var(--text);font-weight:700}
    .section-anchor{scroll-margin-top:92px}
    .gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .gallery .section-card{padding:16px}
    .kefu{display:grid;gap:14px;align-items:center}
    .kefu img{border-radius:18px;border:1px solid var(--line)}
    .mobile-only{display:none}
    .right-note{font-size:13px;color:var(--muted)}
    .timeline{display:grid;gap:12px}
    .timeline-card{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start}
    .timeline-card .dot{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#ffe1ea,#ffd0d9);display:flex;align-items:center;justify-content:center;font-weight:800;color:#b01e4a}
    @media (max-width: 980px){
      .hero-grid,.footer-grid,.grid-3,.grid-2,.flow,.gallery{grid-template-columns:1fr}
      .hero-points,.stat-grid,.form-grid{grid-template-columns:1fr 1fr}
      .navlinks{display:none}
      .menu-btn{display:inline-flex}
      .nav-open .navlinks{display:flex;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:flex-start;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav{position:relative}
      .nav-cta .btn-ghost{display:none}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container),calc(100% - 24px))}
      .hero-main{padding:22px}
      .hero-side,.service-card,.step-card,.review-card,.compare-card,.article-card,.timeline-card,.price-card,.form-card{padding:18px}
      .hero-points,.stat-grid,.form-grid{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      h1{font-size:32px}
      .section h2{font-size:24px}
      .float-box{right:12px;bottom:12px}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.show{opacity:1;transform:none}