:root{
      --bg:#fff7f8;
      --surface:#ffffff;
      --surface-2:#fff1f3;
      --surface-3:#fce7ea;
      --line:#f1c7cf;
      --text:#2a1f23;
      --muted:#6f5a61;
      --brand:#f14f7b;
      --brand-2:#ff7aa2;
      --brand-3:#ffb3c4;
      --shadow:0 18px 50px rgba(241,79,123,.12);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(255,122,162,.15), transparent 30%),
        radial-gradient(circle at 90% 15%, rgba(241,79,123,.10), transparent 28%),
        linear-gradient(180deg, #fff9fa 0%, #fff4f6 45%, #fff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .topbar,.site-header,.site-footer{position:relative;z-index:2}
    .topbar{
      border-bottom:1px solid rgba(241,199,207,.7);
      background:rgba(255,255,255,.72);
      backdrop-filter:saturate(150%) blur(10px);
    }
    .topbar-inner,.header-inner,.footer-inner,.nav-links,.hero-actions,.metrics,.service-grid,.workflow,.compare-grid,.help-grid,.review-grid,.article-grid,.network-grid,.tag-cloud,.link-cloud,.form-grid,.contact-grid,.case-grid,.intro-grid,.price-grid{
      display:grid;
      gap:16px;
    }
    .topbar-inner{grid-template-columns:1fr auto;align-items:center;padding:10px 0}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .mini-links a,.pill,.tag{
      border:1px solid rgba(241,199,207,.85);
      background:#fff;
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      color:#543d45;
      transition:.25s ease;
    }
    .mini-links a:hover,.pill:hover,.tag:hover{transform:translateY(-1px);border-color:rgba(241,79,123,.35);box-shadow:0 10px 24px rgba(241,79,123,.09)}
    .site-header{background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(241,199,207,.7)}
    .header-inner{grid-template-columns:auto 1fr auto;align-items:center;padding:16px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .ai-page-logo{width:42px;flex:0 0 auto}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-links{grid-auto-flow:column;grid-auto-columns:max-content;justify-content:center;align-items:center}
    .nav-links a{
      padding:10px 12px;border-radius:12px;font-size:14px;color:#4a373d;transition:.25s ease
    }
    .nav-links a:hover,.nav-links a.active{background:var(--surface-2);color:var(--brand)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .btn,.btn-outline,.btn-ghost,.btn-strong{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:14px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.28s ease;cursor:pointer
    }
    .btn{background:linear-gradient(135deg,var(--brand),#ff6f93);color:#fff;box-shadow:0 14px 30px rgba(241,79,123,.2)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(241,79,123,.24)}
    .btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-outline:hover,.btn-ghost:hover{border-color:rgba(241,79,123,.35);color:var(--brand);transform:translateY(-1px)}
    .btn-ghost{background:transparent;border-color:rgba(241,199,207,.9);color:#4a373d}
    .btn-strong{background:#fff;color:var(--brand);border-color:#ffd0db}
    .menu-toggle{display:none}
    .hero{padding:42px 0 18px}
    .hero-panel{
      position:relative;overflow:hidden;border:1px solid rgba(241,199,207,.8);border-radius:30px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,244,246,.95)),
        radial-gradient(circle at 80% 0%, rgba(255,122,162,.18), transparent 24%);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(241,199,207,.95);font-size:13px;color:#6b4d56}
    h1{font-size:clamp(32px,5vw,56px);line-height:1.05;margin:16px 0 14px;letter-spacing:-.03em}
    .lead{font-size:clamp(16px,2vw,18px);line-height:1.8;color:var(--muted);margin:0 0 20px;max-width:58ch}
    .hero-actions{grid-template-columns:repeat(3,max-content);justify-content:start}
    .hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .hero-statbox{
      display:grid;gap:14px;padding:18px;border-radius:24px;background:linear-gradient(180deg,#fff,#fff6f8);
      border:1px solid rgba(241,199,207,.85)
    }
    .stat-card{
      padding:16px;border-radius:18px;background:#fff;border:1px solid rgba(241,199,207,.75);
      box-shadow:0 12px 28px rgba(241,79,123,.07)
    }
    .stat-card b{display:block;font-size:24px;color:var(--brand);margin-bottom:6px}
    .stat-card span{color:var(--muted);font-size:14px;line-height:1.6}
    main{padding:10px 0 26px}
    section{scroll-margin-top:90px;margin-top:22px}
    .section-card{
      background:rgba(255,255,255,.82);border:1px solid rgba(241,199,207,.75);border-radius:28px;
      box-shadow:var(--shadow);padding:28px
    }
    .section-head{display:flex;justify-content:space-between;gap:12px;align-items:end;margin-bottom:18px;flex-wrap:wrap}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,34px)}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:72ch}
    .metrics{grid-template-columns:repeat(4,1fr)}
    .metric,.service-card,.case-card,.review-card,.help-card,.article-card,.compare-card,.network-card,.price-card,.intro-card{
      background:#fff;border:1px solid rgba(241,199,207,.78);border-radius:22px;padding:18px;transition:.25s ease;box-shadow:0 10px 26px rgba(241,79,123,.06)
    }
    .metric:hover,.service-card:hover,.case-card:hover,.review-card:hover,.help-card:hover,.article-card:hover,.compare-card:hover,.network-card:hover,.price-card:hover,.intro-card:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(241,79,123,.1)}
    .metric strong{display:block;font-size:28px;color:var(--brand);margin-bottom:8px}
    .metric span{color:var(--muted);line-height:1.6}
    .service-grid,.case-grid,.review-grid,.article-grid,.network-grid,.help-grid,.compare-grid,.price-grid,.intro-grid{grid-template-columns:repeat(3,1fr)}
    .service-card h3,.case-card h3,.review-card h3,.help-card h3,.article-card h3,.compare-card h3,.network-card h3,.price-card h3,.intro-card h3{margin:0 0 10px;font-size:18px}
    .service-card p,.case-card p,.review-card p,.help-card p,.article-card p,.compare-card p,.network-card p,.price-card p,.intro-card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud,.link-cloud{grid-template-columns:repeat(auto-fit,minmax(120px,max-content));align-items:start}
    .workflow{grid-template-columns:repeat(4,1fr)}
    .step{background:linear-gradient(180deg,#fff,#fff7f9);border:1px solid rgba(241,199,207,.75);border-radius:22px;padding:20px}
    .step .index{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:14px}
    .compare-table-wrap{overflow-x:auto;border-radius:22px;border:1px solid rgba(241,199,207,.8);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid rgba(241,199,207,.6);text-align:left;vertical-align:top}
    th{background:#fff3f5;color:#3d2f34}
    td{color:#4e3c42;line-height:1.7}
    .badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--surface-2);color:var(--brand);font-size:12px;font-weight:700}
    .rating{display:grid;gap:10px;padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff5f7,#fff);border:1px solid rgba(241,199,207,.78)}
    .stars{color:#f39a26;font-size:18px;letter-spacing:2px}
    .faq details{
      background:#fff;border:1px solid rgba(241,199,207,.78);border-radius:18px;padding:14px 16px
    }
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{color:var(--muted);line-height:1.75;margin:12px 0 0}
    .form-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
    form{display:grid;gap:14px}
    .field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    label{display:grid;gap:8px;font-size:14px;color:#4b3940;font-weight:600}
    input,select,textarea{
      width:100%;border:1px solid #e8c4cd;background:#fff;border-radius:14px;padding:12px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(241,79,123,.7);box-shadow:0 0 0 4px rgba(241,79,123,.09)}
    textarea{min-height:128px;resize:vertical}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:30;display:grid;gap:10px
    }
    .floating a,.floating button{
      border:none;display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;
      background:linear-gradient(135deg,var(--brand),#ff7aa2);color:#fff;box-shadow:0 14px 28px rgba(241,79,123,.25);cursor:pointer
    }
    .site-footer{margin-top:24px;padding:18px 0 28px}
    .footer-inner{grid-template-columns:1.2fr .8fr;align-items:start}
    .copyright{color:#5f4a51;line-height:1.7;font-size:14px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{color:var(--brand)}
    .mobile-only{display:none}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.7s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    .ai-page-home-link{font-weight:700}
    .image-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .image-card{background:#fff;border:1px solid rgba(241,199,207,.78);border-radius:22px;padding:14px}
    .image-card img{border-radius:16px}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .callout{
      padding:18px;border-radius:22px;background:linear-gradient(135deg,#fff,#fff2f5);border:1px solid rgba(241,199,207,.76)
    }
    @media (max-width: 1024px){
      .hero-grid,.form-wrap,.footer-inner,.two-col,.service-grid,.case-grid,.review-grid,.article-grid,.network-grid,.help-grid,.compare-grid,.price-grid,.intro-grid,.metrics,.workflow{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
    }
    @media (max-width: 720px){
      .topbar-inner,.header-inner,.hero-grid,.form-wrap,.footer-inner,.two-col,.service-grid,.case-grid,.review-grid,.article-grid,.network-grid,.help-grid,.compare-grid,.price-grid,.intro-grid,.metrics,.workflow,.field-grid,.image-strip{grid-template-columns:1fr}
      .header-inner{gap:12px}
      .header-actions{justify-content:flex-end;flex-wrap:wrap}
      .hero-panel,.section-card{padding:20px}
      .hero-actions{grid-template-columns:1fr}
      .mobile-only{display:block}
      .mini-links{justify-content:flex-start}
    }