:root{--ink:#1d1930;--muted:#68647a;--purple:#6539dc;--violet:#8d62ee;--pink:#d94dab;--line:#e8e4f0;--paper:#fff;--wash:#f7f5fc;--green:#257a65;--max:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:82px}
    body{margin:0;background:linear-gradient(180deg,#faf9ff 0,#fff 42%,#f8f7fc 100%);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .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:750}
    .brand img{width:38px;height:38px;object-fit:contain}
    .brand-name{font-size:16px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
    .nav-links a{padding:9px 10px;color:#514c62;font-size:13px;border-radius:7px;transition:background .2s,color .2s}
    .nav-links a:hover{background:#f1edfc;color:var(--purple)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:7px;padding:11px 17px;background:var(--purple);color:#fff;font-weight:700;transition:transform .2s,box-shadow .2s,background .2s}
    .nav-cta{white-space:nowrap;padding:10px 15px;font-size:13px}
    .nav-cta:hover,.button:hover{transform:translateY(-2px);box-shadow:0 9px 22px #6539dc30;background:#5129c4}
    .button.secondary{background:#fff;color:var(--ink);border-color:#dcd6eb}
    .button.secondary:hover{background:#f6f2ff;color:var(--purple);box-shadow:none}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);width:40px;height:40px;border-radius:7px;font-size:20px}
    .hero{position:relative;overflow:hidden;padding:76px 0 56px;background:linear-gradient(125deg,#f2edff 0%,#fcfaff 54%,#f8f4ff 100%);border-bottom:1px solid #eee9f7}
    .hero:before,.hero:after{content:"";position:absolute;pointer-events:none;border:1px solid #d9cff8;transform:rotate(35deg);border-radius:22px}
    .hero:before{width:290px;height:290px;right:5%;top:-165px}
    .hero:after{width:170px;height:170px;right:14%;bottom:-125px;border-color:#e6c9e9}
    .hero-inner{position:relative;z-index:1;max-width:850px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#5d3ac2;font-size:13px;font-weight:750}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--pink)}
    h1{max-width:780px;margin:16px 0 18px;font-size:clamp(38px,6vw,68px);line-height:1.12;letter-spacing:0;font-weight:780}
    h1 span{color:var(--purple)}
    .hero-copy{max-width:680px;margin:0;color:#575268;font-size:18px}
    .hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-note{margin:15px 0 0;color:#746f81;font-size:13px}
    .hero-strip{display:flex;gap:0;flex-wrap:wrap;margin-top:42px;border-top:1px solid #ded6ee;padding-top:20px}
    .hero-strip span{padding:0 22px;border-right:1px solid #ddd6e9;color:#4f4a60;font-size:13px}
    .hero-strip span:first-child{padding-left:0}
    .hero-strip span:last-child{border:0}
    .section{padding:66px 0}
    .section.tinted{background:#f7f5fb;border-top:1px solid #eeeaf5;border-bottom:1px solid #eeeaf5}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
    .section-head h2{margin:0;font-size:30px;line-height:1.25;letter-spacing:0}
    .section-head p{max-width:560px;margin:0;color:var(--muted)}
    .kicker{display:block;margin-bottom:8px;color:var(--purple);font-size:12px;font-weight:750}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff}
    .metric{padding:22px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border:0}
    .metric strong{display:block;color:var(--purple);font-size:27px;line-height:1.2}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:13px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:start}
    .intro-copy{font-size:16px;color:#565164}
    .intro-copy p{margin:0 0 15px}
    .capability-list{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;margin:20px 0 0;padding:0;list-style:none}
    .capability-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#353047;font-size:14px}
    .capability-list li:before{content:"+";color:var(--pink);font-weight:800;margin-right:9px}
    .model-board{padding:22px 24px;border-left:3px solid var(--purple);background:#f4f0ff}
    .model-board h3{margin:0 0 8px;font-size:17px}
    .model-board p{margin:0;color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
    .tag-cloud span{padding:5px 9px;background:#fff;border:1px solid #e3dcf2;border-radius:4px;color:#4f4862;font-size:12px}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 26px;border-top:1px solid var(--line)}
    .service{padding:22px 4px 24px;border-bottom:1px solid var(--line);transition:transform .2s}
    .service:hover{transform:translateY(-3px)}
    .service .num{display:block;color:#a18ad7;font-size:12px;font-weight:750}
    .service h3{margin:7px 0;color:#252037;font-size:17px}
    .service p{margin:0;color:var(--muted);font-size:14px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
    .process article{position:relative;padding:17px 20px 10px 0;border-top:2px solid #ded6ee}
    .process article:before{counter-increment:step;content:"0" counter(step);position:absolute;top:-15px;left:0;padding-right:10px;background:#f7f5fb;color:var(--purple);font-weight:800;font-size:13px}
    .process h3{margin:12px 0 7px;font-size:16px}
    .process p{margin:0;color:var(--muted);font-size:13px}
    .industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#e8e4ef;border:1px solid #e8e4ef}
    .industry{padding:19px;background:#fff}
    .industry h3{margin:0 0 5px;font-size:15px}
    .industry p{margin:0;color:var(--muted);font-size:13px}
    .network{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
    .network p{color:var(--muted)}
    .network-points{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .network-points div{padding:14px 0;border-top:1px solid var(--line)}
    .network-points strong{display:block;font-size:14px}
    .network-points span{display:block;margin-top:4px;color:var(--muted);font-size:13px}
    .showcase{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .showcase figure{margin:0;background:#fff;border:1px solid var(--line)}
    .showcase figure img{display:block;width:100%;height:auto;object-fit:contain}
    .showcase figcaption{padding:13px 15px;color:#555064;font-size:13px}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .review{padding:20px 0;border-top:2px solid #d9cff0}
    .review blockquote{margin:0;color:#393448;font-size:14px}
    .review footer{margin-top:13px;color:var(--muted);font-size:12px}
    .rating{display:flex;align-items:center;gap:22px;margin-bottom:22px;padding:21px 24px;background:#f3efff;border-left:4px solid var(--purple)}
    .rating strong{font-size:38px;color:var(--purple)}
    .rating p{margin:0;color:#4e485e}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
    table{width:100%;min-width:700px;border-collapse:collapse;text-align:left}
    th,td{padding:13px 15px;border-bottom:1px solid var(--line);font-size:13px}
    th{background:#f5f2fb;color:#343047}
    td{color:#555064}
    td:first-child{font-weight:650;color:#383348}
    .featured{color:var(--purple);font-weight:750}
    .price-line{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;margin-top:20px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .price-line p{margin:0;color:var(--muted);font-size:14px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{position:relative;padding:17px 34px 17px 0;cursor:pointer;list-style:none;font-weight:650}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:2px;top:14px;color:var(--purple);font-size:21px}
    details[open] summary:after{content:"−"}
    details p{max-width:850px;margin:0;padding:0 30px 17px 0;color:var(--muted);font-size:14px}
    .article-list{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
    .article-list a{padding:16px 0;border-top:2px solid #ded6ee;font-weight:650;font-size:14px;transition:color .2s}
    .article-list a:hover{color:var(--purple)}
    .article-list span{display:block;margin-top:7px;color:var(--muted);font-weight:400;font-size:12px}
    .contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:start}
    .contact-copy p{color:var(--muted)}
    .contact-details{display:grid;grid-template-columns:1fr 1fr;gap:13px 20px;margin-top:20px}
    .contact-details div{padding:11px 0;border-top:1px solid var(--line);font-size:13px}
    .contact-details strong{display:block;margin-bottom:3px}
    .contact-details a{color:var(--purple)}
    .qr{width:132px;margin-top:16px}
    .qr img{display:block;width:100%;height:auto;border:1px solid var(--line)}
    .qr figcaption{margin-top:6px;color:var(--muted);font-size:12px}
    .form{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:650}
    .field input,.field select,.field textarea{width:100%;border:1px solid #dcd7e6;border-radius:5px;background:#fff;padding:11px 12px;color:var(--ink);outline:none}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--purple);box-shadow:0 0 0 3px #6539dc18}
    .field textarea{min-height:110px;resize:vertical}
    .form .button{justify-self:start;cursor:pointer}
    .join-band{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0;border-top:1px solid var(--line)}
    .join-band p{margin:4px 0 0;color:var(--muted);font-size:14px}
    .footer{padding:28px 0 24px;background:#f1eff7;color:#383348;border-top:1px solid #e2deeb}
    .footer-top{display:flex;justify-content:space-between;gap:25px;align-items:start}
    .footer-brand{font-weight:750}
    .footer p{max-width:560px;margin:6px 0 0;color:#615c70;font-size:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:flex-end}
    .footer-links a{color:#514b62;font-size:12px}
    .footer-links a:hover{color:var(--purple)}
    .copyright{margin-top:20px;padding-top:13px;border-top:1px solid #ddd8e7;color:#6c6679;font-size:12px}
    .float-contact{position:fixed;right:18px;bottom:20px;z-index:15;display:flex;flex-direction:column;gap:8px}
    .float-contact a,.to-top{display:grid;place-items:center;width:46px;height:46px;border:1px solid #ded7ec;border-radius:50%;background:#fff;color:var(--purple);box-shadow:0 5px 18px #25154a18;font-size:12px;font-weight:750}
    .to-top{cursor:pointer}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.visible{opacity:1;transform:translateY(0)}
    @media(max-width:930px){
      .menu-toggle{display:block;margin-left:auto}
      .nav{flex-wrap:wrap;padding:12px 0}
      .nav-links{display:none;order:3;width:100%;justify-content:flex-start;padding:8px 0 3px;border-top:1px solid var(--line)}
      .nav-links.open{display:flex}
      .nav-cta{margin-left:auto}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .industry-grid{grid-template-columns:repeat(2,1fr)}
      .article-list{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:650px){
      .container{width:min(var(--max),calc(100% - 32px))}
      .hero{padding:58px 0 38px}
      h1{font-size:40px}
      .hero-copy{font-size:16px}
      .hero-strip span{padding:0 10px 7px 0;margin-right:10px}
      .section{padding:48px 0}
      .section-head{display:block}
      .section-head p{margin-top:10px}
      .section-head h2{font-size:26px}
      .metrics{grid-template-columns:1fr 1fr}
      .metric{border-bottom:1px solid var(--line);padding:17px}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
      .intro-grid,.network,.showcase,.contact-grid{grid-template-columns:1fr;gap:24px}
      .capability-list{grid-template-columns:1fr 1fr;gap:0 12px}
      .service-grid{grid-template-columns:1fr}
      .process{grid-template-columns:1fr 1fr;gap:20px}
      .industry-grid{grid-template-columns:1fr 1fr}
      .review-grid{grid-template-columns:1fr}
      .article-list{grid-template-columns:1fr 1fr}
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
      .join-band{align-items:flex-start;flex-direction:column}
      .rating{align-items:flex-start;gap:14px}
      .rating strong{font-size:32px}
      .float-contact{right:10px;bottom:12px}
      .form{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .nav-links a{padding:8px}
    }
    @media(prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }