:root{
      --bg:#f7f2ec;
      --bg2:#fffaf5;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#5f6777;
      --line:#e8ddd2;
      --brand:#e93a5f;
      --brand2:#ff7a45;
      --brand3:#7a5cff;
      --shadow:0 18px 45px rgba(33, 37, 52, .08);
      --radius:22px;
      --radius-sm:16px;
      --max: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;color:var(--text);background:
      radial-gradient(circle at top left, rgba(233,58,95,.08), transparent 30%),
      radial-gradient(circle at 85% 10%, rgba(122,92,255,.09), transparent 22%),
      linear-gradient(180deg,var(--bg),#fdf9f4 46%, #fff 100%);
    }
    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(247,242,236,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,221,210,.8)}
    .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}
    .ai-page-logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;padding:6px;box-shadow:0 8px 22px rgba(0,0,0,.06)}
    .brand h2{margin:0;font-size:17px;line-height:1.1}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#394150;padding:8px 10px;border-radius:999px}
    .nav-links a:hover{background:rgba(233,58,95,.08);color:var(--brand)}
    .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(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(233,58,95,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(233,58,95,.3)}
    .btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
    .btn-ghost:hover{border-color:#d5c2b2;transform:translateY(-2px)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px;align-items:center;justify-content:center}
    .menu-btn span,.menu-btn span:before,.menu-btn span:after{display:block;width:18px;height:2px;background:#263040;border-radius:2px;position:relative}
    .menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0}
    .menu-btn span:before{top:-6px}.menu-btn span:after{top:6px}
    header.hero{padding:34px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel,.quote,.faq-item,.article-item,.timeline-item,.compare-wrap,.form-wrap,.table-wrap{background:rgba(255,255,255,.78);border:1px solid rgba(232,221,210,.9);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before{content:"";position:absolute;inset:auto -80px -100px auto;width:260px;height:260px;background:radial-gradient(circle, rgba(233,58,95,.15), transparent 60%);border-radius:50%}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(233,58,95,.08);color:#c92c4f;font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,50px);line-height:1.08;letter-spacing:-.02em}
    .hero-main p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:26px}
    .mini{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff, #fff7f1);border:1px solid #f0e2d7}
    .mini strong{display:block;font-size:18px}
    .mini span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .hero-side{padding:22px;display:grid;gap:14px}
    .side-box{padding:16px;border-radius:18px;background:linear-gradient(135deg,rgba(233,58,95,.08),rgba(122,92,255,.06));border:1px solid #efe1de}
    .side-box h3{margin:0 0 8px;font-size:16px}
    .side-box p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#3e4757}
    main{padding-bottom:18px}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:68ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .card{padding:18px}
    .stat strong{font-size:24px;display:block}
    .stat span{color:var(--muted);font-size:13px}
    .card h3{margin:0 0 10px;font-size:17px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .card ul{margin:0;padding-left:18px}
    .service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .service{position:relative;overflow:hidden}
    .service:after{content:"";position:absolute;right:-24px;top:-24px;width:78px;height:78px;border-radius:50%;background:radial-gradient(circle, rgba(255,122,69,.18), transparent 70%)}
    .service .badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#fff3ee;color:#b43a22;font-size:12px;font-weight:700;margin-bottom:12px}
    .process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:18px}
    .step .num{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{padding:0;overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:15px 16px;border-bottom:1px solid #eee3d9;text-align:left;vertical-align:top}
    th{background:#fff8f3;color:#2a3140;font-size:14px}
    td{color:#4b5565}
    .highlight{color:#0c7a4d;font-weight:700}
    .compare-wrap{padding:18px}
    .rating{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
    .stars{color:#ffb000;font-size:20px;letter-spacing:2px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:16px 18px;display:flex;gap:14px;align-items:flex-start}
    .timeline-item b{min-width:54px;color:#c43352}
    .gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .gallery img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    .quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .quote{padding:18px}
    .quote .who{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .quote .role{font-size:12px;color:#b35525;background:#fff3eb;padding:6px 10px;border-radius:999px}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .article-item{padding:18px}
    .article-item a{color:#1c2432;font-weight:700}
    .article-item p{margin:10px 0 0;color:var(--muted);line-height:1.7}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:700;text-align:left;cursor:pointer}
    .faq-a{padding:0 18px 18px;color:var(--muted);line-height:1.75;display:none}
    .faq-item.active .faq-a{display:block}
    .faq-item.active .faq-q{color:var(--brand)}
    .form-wrap{padding:18px}
    form{display:grid;gap:12px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    label{display:grid;gap:8px;font-size:14px;font-weight:700;color:#374151}
    input,select,textarea{width:100%;border:1px solid #d9cbbf;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    input:focus,select:focus,textarea:focus{border-color:#ff7a45;box-shadow:0 0 0 4px rgba(255,122,69,.12)}
    textarea{min-height:118px;resize:vertical}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .help-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:14px}
    .contact-card{padding:18px}
    .contact-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .contact-list li{padding:12px 14px;border:1px solid #f0e2d7;border-radius:14px;background:#fff}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 16px 26px rgba(233,58,95,.24)}
    .float-btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    footer{padding:18px 0 24px}
    .footer-box{background:#121826;color:#e9edf5;border-radius:24px;padding:22px}
    .footer-box a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;align-items:start}
    .footer-grid p,.footer-grid li{color:#b9c0cf;line-height:1.75}
    .footer-grid ul{margin:0;padding-left:18px}
    .copyright{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#9aa4b8;font-size:13px}
    .mobile-only{display:none}
    .ai-page-image{border-radius:18px;border:1px solid var(--line);background:#fff}
    .reveal{opacity:0;transform:translateY(14px);transition:.5s ease}
    .reveal.in{opacity:1;transform:none}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .table-note{padding:12px 18px;color:#6b7280;font-size:13px;border-top:1px solid #eee3d9;background:#fffdf9}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.service-grid,.process,.grid-3,.quote-grid,.article-list,.gallery,.help-grid,.footer-grid,.split{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-flex}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}
      .mobile-only{display:block}
      .hero-grid,.grid-4,.service-grid,.process,.grid-3,.quote-grid,.article-list,.gallery,.help-grid,.footer-grid,.split,.form-grid{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .hero-points{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .floating{right:12px;bottom:12px}
      .container{width:min(var(--max),calc(100% - 22px))}
    }