:root{--ink:#29232a;--muted:#71676f;--pink:#d9286b;--deep:#a91450;--rose:#fff0f5;--line:#eadde2;--paper:#fffdfd;--lime:#d8f26b;--teal:#167c72;--shadow:0 14px 36px rgba(104,27,59,.09);--max:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:88px}
    body{margin:0;background:linear-gradient(180deg,#fff8fa 0,#fffdfd 38%,#fff7fa 100%);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,253,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(234,221,226,.85)}
    .nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:10px;flex:none;font-weight:800}
    .ai-page-logo{width:38px;max-height:38px;object-fit:contain}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
    .nav-links a{font-size:13px;color:#50454d;padding:7px 9px;border-radius:6px;transition:background .2s,color .2s}
    .nav-links a:hover,.nav-links a:focus-visible{background:var(--rose);color:var(--deep)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;background:var(--pink);color:#fff;font-weight:750;padding:12px 18px;box-shadow:0 7px 18px rgba(217,40,107,.2);transition:transform .2s,background .2s,box-shadow .2s}
    .nav-cta{white-space:nowrap;padding:10px 14px;font-size:14px}
    .button:hover,.nav-cta:hover{background:var(--deep);transform:translateY(-2px);box-shadow:0 11px 22px rgba(217,40,107,.24)}
    .button.secondary{background:#fff;color:var(--deep);border:1px solid #e8b7ca;box-shadow:none}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:5px;color:var(--ink);font-size:20px}
    main{overflow:hidden}
    .hero{position:relative;padding:72px 0 48px;background:linear-gradient(130deg,#fff1f6 0%,#fff8fa 56%,#f4fff9 100%);border-bottom:1px solid #f2e4e9}
    .hero:before{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(217,40,107,.16);border-radius:50%;right:8%;top:28px;box-shadow:0 0 0 24px rgba(217,40,107,.035),0 0 0 50px rgba(217,40,107,.025);pointer-events:none}
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:54px;align-items:center}
    .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--deep);font-weight:800}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.12;margin:15px 0 20px;max-width:720px}
    .hero-copy{max-width:660px;color:#63565f;font-size:18px;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-panel{position:relative;padding:25px;background:#fff;border:1px solid #efd6e0;border-radius:8px;box-shadow:var(--shadow)}
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #f1e6ea;padding-bottom:15px;margin-bottom:15px}
    .panel-top strong{font-size:15px}
    .live-mark{width:9px;height:9px;border-radius:50%;background:#42a98e;box-shadow:0 0 0 5px #e5f5ef}
    .title-example{font-size:20px;font-weight:800;line-height:1.4;margin:0 0 14px}
    .title-example span{color:var(--pink)}
    .mini-tags{display:flex;gap:7px;flex-wrap:wrap}
    .mini-tags span{font-size:12px;color:#68515d;background:#fff2f6;border-radius:3px;padding:4px 8px}
    .section{padding:68px 0}
    .section.tint{background:rgba(255,239,245,.55);border-block:1px solid #f3e2e9}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,38px);line-height:1.2;margin:7px 0 0}
    .section-head p{max-width:520px;color:var(--muted);margin:0}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#efdce4;border:1px solid #efdce4;border-radius:6px;overflow:hidden}
    .stat{background:#fff;padding:21px 22px}
    .stat strong{display:block;font-size:25px;color:var(--deep);line-height:1.2}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
    .about-copy p{color:#61565d;margin:0 0 14px}
    .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 24px;margin:22px 0 0;padding:0;list-style:none}
    .feature-list li{padding:12px 0;border-bottom:1px solid var(--line);font-weight:650}
    .feature-list li:before{content:"+";color:var(--pink);font-weight:900;margin-right:10px}
    .cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .cap{min-height:156px;padding:20px 19px;background:#fff;border:1px solid #ebdfe3;border-radius:5px;transition:transform .22s,box-shadow .22s,border-color .22s}
    .cap:hover,.quote:hover,.case:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#e6a9c1}
    .cap .index{font-size:12px;color:var(--pink);font-weight:800}
    .cap h3{font-size:17px;margin:7px 0}
    .cap p{font-size:13px;color:var(--muted);margin:0}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-block:1px solid var(--line)}
    .step{padding:23px 22px 23px 0;position:relative}
    .step:not(:last-child):after{content:"";position:absolute;right:18px;top:35px;width:27px;height:1px;background:#df91ad}
    .step b{display:block;color:var(--deep);font-size:13px;margin-bottom:8px}
    .step h3{font-size:18px;margin:0 0 6px}
    .step p{font-size:13px;color:var(--muted);margin:0;max-width:240px}
    .industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 32px}
    .industry{border-top:2px solid var(--pink);padding-top:15px}
    .industry h3{font-size:17px;margin:0 0 6px}
    .industry p{font-size:14px;color:var(--muted);margin:0}
    .network{display:flex;flex-wrap:wrap;gap:9px}
    .network span{padding:8px 13px;background:#fff;border:1px solid #e9d9e0;border-radius:3px;font-size:14px;color:#51444c}
    .comparison{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:14px}
    .comparison th,.comparison td{padding:14px 15px;text-align:left;border-bottom:1px solid #f0e5e9;vertical-align:top}
    .comparison th{background:#fff0f5;color:#6f1e40}
    .comparison tr:last-child td{border-bottom:0}
    .rating{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid #edd7e0;border-left:5px solid var(--pink);padding:20px 24px;margin-bottom:20px}
    .rating strong{font-size:36px;color:var(--deep);line-height:1}
    .stars{color:#d79621;letter-spacing:2px}
    .rating p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .case{background:#fff;border:1px solid var(--line);border-radius:5px;overflow:hidden;transition:transform .22s,box-shadow .22s}
    .media-frame{aspect-ratio:16/9;background:#f7e9ee;overflow:hidden}
    .media-frame img{width:100%;height:100%;object-fit:cover;display:block}
    .case-body{padding:16px 18px}
    .case-body h3{font-size:17px;margin:0 0 5px}
    .case-body p{font-size:13px;color:var(--muted);margin:0}
    .quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .quote{padding:20px;background:#fff;border:1px solid var(--line);border-radius:5px;transition:transform .22s,box-shadow .22s}
    .quote p{font-size:14px;margin:0 0 17px;color:#51474d}
    .quote strong{font-size:13px;color:var(--deep)}
    .quote small{display:block;color:var(--muted);font-size:12px}
    .split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
    .split-intro p{color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;border:1px solid #dfd0d7;border-radius:4px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(217,40,107,.1)}
    .field textarea{min-height:112px;resize:vertical}
    .form-note{font-size:12px;color:var(--muted);margin:10px 0 14px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0}
    summary{list-style:none;cursor:pointer;font-weight:700;padding:17px 34px 17px 0;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:14px;color:var(--pink);font-size:21px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 35px 17px 0;color:var(--muted);font-size:14px}
    .article-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
    .article-list a{display:block;padding:13px 14px;background:#fff;border:1px solid var(--line);border-radius:4px;font-size:13px;color:#574950;overflow-wrap:anywhere;transition:border-color .2s,color .2s}
    .article-list a:hover{border-color:var(--pink);color:var(--deep)}
    .article-list span{display:block;font-size:11px;color:#a17e8d;margin-bottom:3px}
    .links{display:flex;flex-wrap:wrap;gap:8px}
    .links a{font-size:13px;color:#51444c;border-bottom:1px solid #e4a1ba;padding:4px 2px}
    .contact-bar{display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;background:#fff0f5;border:1px solid #f0d8e2;padding:24px;border-radius:5px}
    .contact-bar h2{margin:0 0 5px;font-size:23px}
    .contact-bar p{margin:0;color:var(--muted)}
    .site-footer{background:#fff;color:#433940;border-top:1px solid var(--line);padding:28px 0 22px}
    .footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px}
    .footer-brand{font-weight:800}
    .footer-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:#665a61;font-size:13px}
    .footer-bottom{border-top:1px solid var(--line);margin-top:20px;padding-top:14px;color:#756970;font-size:12px}
    .floating{position:fixed;right:18px;bottom:20px;z-index:15;display:flex;flex-direction:column;gap:8px}
    .floating a{width:48px;height:48px;border-radius:50%;background:var(--deep);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:750;box-shadow:0 5px 16px rgba(88,12,44,.2);transition:transform .2s}
    .floating a:hover{transform:translateY(-3px)}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s,transform .55s}
    .reveal.visible{opacity:1;transform:translateY(0)}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}
    @media(max-width:980px){
      .nav{flex-wrap:wrap;padding:12px 0}
      .menu-toggle{display:block}
      .nav-actions{display:flex;align-items:center;gap:9px}
      .nav-links{display:none;width:100%;justify-content:flex-start;border-top:1px solid var(--line);padding-top:8px}
      .nav-links.open{display:flex}
      .nav-links a{padding:8px}
      .hero-grid{gap:30px}
      .cap-grid{grid-template-columns:repeat(2,1fr)}
      .article-list{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:680px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .hero{padding:50px 0 36px}
      .hero-grid,.about-grid,.split{grid-template-columns:1fr;gap:25px}
      .hero:before{width:130px;height:130px;right:2%;top:18px}
      .hero-copy{font-size:16px}
      .section{padding:48px 0}
      .section-head{display:block;margin-bottom:23px}
      .section-head p{margin-top:12px}
      .stats{grid-template-columns:repeat(2,1fr)}
      .stat{padding:17px}
      .stat strong{font-size:22px}
      .feature-list{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr 1fr}
      .step{padding:17px 13px 17px 0}
      .step:not(:last-child):after{display:none}
      .industry-grid{grid-template-columns:1fr 1fr;gap:20px}
      .case-grid,.quotes{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr 1fr}
      .contact-bar{grid-template-columns:1fr}
      .rating{align-items:flex-start;flex-wrap:wrap}
      .table-wrap{overflow-x:auto}
      .comparison{min-width:680px}
      .footer-top{flex-direction:column}
    }
    @media(max-width:420px){
      .nav-cta{font-size:12px;padding:9px 10px}
      .brand{font-size:14px}
      .ai-page-logo{width:31px}
      .cap-grid,.industry-grid,.workflow,.form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .article-list{grid-template-columns:1fr}
      .hero-actions .button{width:100%}
    }