:root{
      --pink:#e72f70;
      --pink-dark:#b91955;
      --rose:#fff1f6;
      --ink:#251d29;
      --muted:#6e6570;
      --line:#eadde4;
      --paper:#fffafd;
      --white:#fff;
      --green:#16856a;
      --shadow:0 16px 42px rgba(106,28,66,.10);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto;display:block}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,253,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .brand img{width:44px;height:44px;object-fit:contain}
    .brand strong{font-size:20px;letter-spacing:0;color:var(--pink-dark)}
    .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:13px;color:#4f4650;padding:8px 9px;transition:.2s}
    .nav-links a:hover{color:var(--pink)}
    .nav-cta,.primary-btn{background:var(--pink);color:#fff;border:1px solid var(--pink);padding:12px 20px;border-radius:6px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.25s;box-shadow:0 8px 20px rgba(231,47,112,.2)}
    .nav-cta:hover,.primary-btn:hover{background:var(--pink-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 12px;border-radius:5px;font-size:18px}
    .hero{position:relative;overflow:hidden;background:#fff6fa;padding:92px 0 76px;border-bottom:1px solid #f4dce8}
    .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(231,47,112,.16);transform:rotate(22deg);pointer-events:none}
    .hero:before{width:340px;height:340px;right:-120px;top:-140px;border-radius:34px}
    .hero:after{width:190px;height:190px;left:-100px;bottom:-100px;border-radius:50%}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:58px;align-items:center}
    .eyebrow,.section-kicker{color:var(--pink-dark);font-weight:800;font-size:13px;letter-spacing:2px}
    h1{font-size:clamp(38px,6vw,70px);line-height:1.12;letter-spacing:0;margin:16px 0 22px;max-width:700px}
    .hero-copy{font-size:18px;color:var(--muted);max-width:650px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}
    .secondary-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border:1px solid var(--pink);color:var(--pink-dark);border-radius:6px;font-weight:700;background:#fff;transition:.25s}
    .secondary-btn:hover{background:var(--rose);transform:translateY(-2px)}
    .hero-note{font-size:13px;color:#81747d}
    .signal-panel{background:#281d29;color:#fff;border-radius:12px;padding:28px;box-shadow:var(--shadow);position:relative}
    .signal-panel:after{content:"AIGC";position:absolute;right:20px;top:16px;color:rgba(255,255,255,.12);font-size:54px;font-weight:900}
    .signal-panel h2{font-size:23px;margin:0 0 22px;position:relative}
    .signal-line{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid rgba(255,255,255,.14);padding:14px 0;font-size:14px}
    .signal-line strong{color:#ff9cc0}
    .section{padding:88px 0}
    .section-alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:8px 0 0}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:-30px;position:relative;z-index:2}
    .stat{background:#fff;border:1px solid var(--line);padding:24px;border-radius:8px;box-shadow:0 10px 26px rgba(106,28,66,.06)}
    .stat strong{display:block;color:var(--pink-dark);font-size:30px;line-height:1.2}
    .stat span{font-size:13px;color:var(--muted)}
    .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}
    .about-grid p{color:var(--muted)}
    .check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .check-list li{padding:13px 14px;background:var(--rose);border-left:3px solid var(--pink);font-weight:700;font-size:14px}
    .network{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .network span{background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:4px;font-size:13px;color:#534750}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .service-card{background:#fff;border:1px solid var(--line);padding:23px;border-radius:8px;transition:.25s}
    .service-card:hover,.review:hover,.case:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f0a6c2}
    .service-card b{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;background:var(--pink);color:#fff;border-radius:50%;margin-bottom:12px}
    .service-card h3{font-size:17px;margin:4px 0 8px}
    .service-card p{font-size:13px;color:var(--muted);margin:0}
    .workflow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:2px solid var(--pink);margin-top:12px}
    .step{padding:24px 18px 0;border-right:1px solid var(--line)}
    .step:last-child{border-right:0}
    .step-number{color:var(--pink);font-size:28px;font-weight:900}
    .step h3{font-size:16px;margin:8px 0}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .solution{padding:25px;background:#fff;border:1px solid var(--line);border-radius:8px}
    .solution h3{margin:0 0 8px;font-size:18px}
    .solution p{color:var(--muted);font-size:14px;margin:0}
    .media-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px}
    .case{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.25s}
    .case-media{aspect-ratio:16/9;background:#f7e8ef;overflow:hidden}
    .case-media img{width:100%;height:100%;object-fit:cover}
    .case-body{padding:18px}
    .case-body h3{font-size:17px;margin:0 0 7px}
    .case-body p{font-size:13px;color:var(--muted);margin:0}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{background:#fff;border:1px solid var(--line);padding:22px;border-radius:8px;transition:.25s}
    .stars{color:#e89b18;letter-spacing:2px}
    .review p{font-size:14px;color:#51474f;margin:12px 0 17px}
    .review small{color:var(--pink-dark);font-weight:700}
    .compare-wrap{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:stretch}
    .score{background:#281d29;color:#fff;padding:28px;border-radius:8px}
    .score strong{display:block;font-size:48px;color:#ff9cc0;line-height:1.1}
    .score .stars{margin:10px 0}
    .score p{font-size:13px;color:#e3cbd5}
    .table-scroll{overflow-x:auto;border:1px solid var(--line);background:#fff;border-radius:8px}
    table{width:100%;border-collapse:collapse;min-width:680px}
    th,td{padding:15px 17px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
    th{background:var(--rose);color:var(--pink-dark)}
    td:last-child{font-weight:700;color:var(--green)}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card{background:#fff;border:1px solid var(--line);padding:25px;border-radius:8px}
    .price-card.featured{border:2px solid var(--pink);position:relative}
    .price-card.featured:before{content:"重点参考";position:absolute;right:16px;top:15px;color:var(--pink);font-size:12px;font-weight:700}
    .price-card h3{margin:0 0 5px}
    .price-card p{font-size:14px;color:var(--muted)}
    .price-card strong{font-size:27px;color:var(--pink-dark)}
    .price-card ul{padding-left:18px;color:var(--muted);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px 18px}
    summary{cursor:pointer;font-weight:700;color:#3f3540}
    details p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{background:#fff;border-left:4px solid var(--pink);padding:18px;border-bottom:1px solid var(--line)}
    .article span{font-size:12px;color:var(--pink-dark)}
    .article h3{font-size:16px;margin:6px 0 0}
    .contact-band{background:#281d29;color:#fff}
    .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:45px;align-items:start}
    .contact-band .section-kicker{color:#ff9cc0}
    .contact-band h2{font-size:40px;line-height:1.2;margin:10px 0 18px}
    .contact-band p{color:#e5d5dc}
    .contact-list{list-style:none;padding:0;margin:25px 0;display:grid;gap:10px;color:#f5e9ee}
    .form-box{background:#fff;padding:25px;border-radius:8px;color:var(--ink)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    label{display:grid;gap:6px;font-size:13px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:5px;padding:11px 12px;font:inherit;color:var(--ink);background:#fff}
    textarea{min-height:118px;resize:vertical}
    .full{grid-column:1/-1}
    .form-box button{border:0;cursor:pointer;margin-top:16px}
    .qr{display:flex;align-items:center;gap:15px;margin-top:20px}
    .qr img{width:84px;height:84px;object-fit:cover;border-radius:5px}
    .footer{background:#211923;color:#e7dce2;padding:38px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}
    .footer h3{color:#fff;font-size:16px;margin:0 0 12px}
    .footer p,.footer a{font-size:13px;color:#cbbbc4}
    .footer a:hover{color:#ff9cc0}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 16px}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:17px;font-size:12px;color:#a9959f}
    .float-help{position:fixed;right:20px;bottom:22px;z-index:15;background:var(--pink);color:#fff;border-radius:50%;width:54px;height:54px;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 8px 22px rgba(231,47,112,.3)}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
    .reveal.visible{opacity:1;transform:none}
    @media(max-width:1050px){
      .nav-links a{padding:8px 5px;font-size:12px}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .stats{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .nav{min-height:68px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:14px;right:14px;top:68px;background:#fff;border:1px solid var(--line);padding:10px;box-shadow:var(--shadow);align-items:stretch}
      .nav-links.open{display:flex;flex-direction:column}
      .nav-links a{padding:10px 12px;border-bottom:1px solid #f3e8ed}
      .nav-cta{display:none}
      .hero{padding:64px 0 55px}
      .hero-grid,.about-grid,.compare-wrap,.contact-grid{grid-template-columns:1fr;gap:28px}
      h1{font-size:42px}
      .section{padding:62px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .stats,.service-grid,.solution-grid,.review-grid,.price-grid,.faq-grid,.article-grid,.footer-grid{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr;border-top:0}
      .step{border-right:0;border-bottom:1px solid var(--line);padding:16px 0}
      .media-grid{grid-template-columns:1fr}
      .media-grid .case:first-child{grid-row:auto}
      .form-grid{grid-template-columns:1fr}
      .full{grid-column:auto}
      .contact-band h2{font-size:32px}
    }