:root{--ink:#18352d;--muted:#5d7169;--green:#13815f;--green-dark:#0b6148;--mint:#dff4e9;--lime:#c9ed8b;--paper:#f5fbf7;--white:#fff;--line:#dcebe2;--coral:#e17959;--shadow:0 14px 38px rgba(22,73,52,.09);--wrap:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    img{max-width:100%;height:auto}
    .container{width:min(var(--wrap),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;white-space:nowrap}
    .brand img{width:38px;height:38px;object-fit:contain}
    .nav-wrap{display:flex;align-items:center;gap:24px}
    .nav-links{display:flex;align-items:center;gap:0}
    .nav-links a{padding:10px 12px;color:#38574b;font-size:14px;transition:color .2s}
    .nav-links a:hover{color:var(--green)}
    .header-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;background:var(--green);color:#fff;padding:12px 18px;font-weight:700;transition:transform .2s,background .2s,box-shadow .2s}
    .header-cta{padding:10px 15px;font-size:14px;white-space:nowrap}
    .header-cta:hover,.button:hover{background:var(--green-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(19,129,95,.2)}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font-size:20px}
    .hero{position:relative;overflow:hidden;padding:78px 0 54px;background:linear-gradient(135deg,#f4fff7 0%,#e5f7eb 55%,#eff9f2 100%);border-bottom:1px solid #dcefe2}
    .hero:before{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(19,129,95,.15);border-radius:50%;right:-100px;top:-245px;box-shadow:0 0 0 42px rgba(19,129,95,.035),0 0 0 90px rgba(19,129,95,.025)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(290px,.75fr);align-items:center;gap:56px;position:relative}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-size:13px;font-weight:800;letter-spacing:1px;text-transform:uppercase}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--coral)}
    h1{max-width:700px;margin:17px 0 18px;font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:0;font-weight:850}
    .hero-copy{max-width:640px;color:#4e695e;font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .button.secondary{background:#fff;color:var(--green-dark);border:1px solid #bcd9c8}
    .button.secondary:hover{background:#f5fff8}
    .hero-note{margin-top:18px;color:#647b70;font-size:13px}
    .hero-panel{padding:25px;background:rgba(255,255,255,.8);border:1px solid #cfe7d8;border-radius:8px;box-shadow:var(--shadow);animation:float-in .7s ease both}
    .panel-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line);font-size:14px;font-weight:750}
    .live-mark{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-size:12px}
    .live-mark:before{content:"";width:7px;height:7px;background:#45ad77;border-radius:50%;box-shadow:0 0 0 4px #dff4e9}
    .model-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
    .model-cloud span,.tag{padding:6px 10px;border:1px solid #d5e9dc;border-radius:3px;background:#f8fcf9;color:#3f6353;font-size:12px}
    .workflow-line{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px}
    .workflow-line div{padding:12px 10px;background:#edf8f1;border-left:2px solid var(--green);font-size:12px;color:#4d695b}
    .workflow-line strong{display:block;color:var(--ink);font-size:13px}
    .hero-stats{display:flex;gap:28px;margin-top:32px}
    .hero-stats strong{display:block;font-size:23px;line-height:1.2}
    .hero-stats span{font-size:12px;color:#62796e}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{margin:6px 0 0;font-size:clamp(27px,3.2vw,40px);line-height:1.2;letter-spacing:0}
    .section-head p{max-width:550px;margin:0;color:var(--muted)}
    .kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.4px}
    .about-band{background:#fff}
    .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
    .about-copy{font-size:17px;color:#4c665b}
    .about-copy p{margin:0 0 16px}
    .capability-list{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;border-top:1px solid var(--line)}
    .capability-list div{padding:15px 0;border-bottom:1px solid var(--line)}
    .capability-list strong{display:block;font-size:15px}
    .capability-list span{color:var(--muted);font-size:13px}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .service-item{padding:20px 18px;background:#fff;border:1px solid var(--line);border-top:3px solid #a7d9b9;border-radius:4px;transition:transform .22s,box-shadow .22s}
    .service-item:hover,.review:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .service-item h3{margin:0 0 8px;font-size:17px}
    .service-item p{margin:0;color:var(--muted);font-size:13px}
    .service-item .tag{display:inline-block;margin-top:14px}
    .ticker{margin-top:24px;padding:16px 18px;background:#e8f6ed;border-left:3px solid var(--green);color:#49695a;font-size:13px}
    .ticker strong{color:var(--ink);margin-right:8px}
    .production{background:#eaf6ee}
    .production-layout{display:grid;grid-template-columns:1fr .9fr;gap:56px;align-items:center}
    .production-copy p{color:var(--muted);max-width:580px}
    .production-copy .button{margin-top:12px}
    .steps{border-top:1px solid #c8dfd0}
    .step{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:17px 0;border-bottom:1px solid #c8dfd0}
    .step-num{color:var(--green);font-size:13px;font-weight:800}
    .step strong{display:block}
    .step span{font-size:13px;color:var(--muted)}
    .solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .solution{padding:18px 0 18px 18px;border-left:2px solid #8bcaa4}
    .solution h3{margin:0 0 7px;font-size:17px}
    .solution p{margin:0;color:var(--muted);font-size:14px}
    .network{background:#fff}
    .network-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
    .network-copy p{color:var(--muted)}
    .model-list{display:flex;flex-wrap:wrap;gap:9px}
    .model-list span{padding:9px 12px;border:1px solid var(--line);background:#f8fcf9;border-radius:3px;font-size:13px}
    .network-note{margin-top:15px;font-size:12px;color:#75877e}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .case{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);padding:17px;border-radius:5px}
    .case .media{aspect-ratio:4/3;overflow:hidden;background:#e9f4ec}
    .case img{width:100%;height:100%;object-fit:cover;display:block}
    .case h3{margin:0 0 7px;font-size:17px}
    .case p{margin:0;color:var(--muted);font-size:13px}
    .evaluation{background:#173f33;color:#fff}
    .evaluation .kicker{color:#a9e5bd}
    .evaluation .section-head p{color:#c3d7cc}
    .score-row{display:flex;align-items:center;gap:22px;margin-bottom:25px}
    .score{font-size:54px;line-height:1;font-weight:850;color:#d5f0a7}
    .score small{font-size:17px;color:#e9f2ec}
    .stars{color:#d5f0a7;letter-spacing:0;font-size:22px}
    .score-copy{font-size:13px;color:#c3d7cc}
    .table-wrap{overflow-x:auto;border:1px solid rgba(255,255,255,.2)}
    table{width:100%;border-collapse:collapse;min-width:680px}
    th,td{padding:13px 15px;text-align:left;border-bottom:1px solid rgba(255,255,255,.15);font-size:14px}
    th{background:rgba(255,255,255,.08);color:#e6f4eb}
    td{color:#d2e2d8}
    td:last-child{color:#d5f0a7;font-weight:700}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .review{padding:20px;background:#fff;border:1px solid var(--line);border-radius:4px;transition:transform .22s,box-shadow .22s}
    .review blockquote{margin:0 0 18px;color:#425e51;font-size:14px}
    .review cite{font-style:normal;font-size:13px;font-weight:800}
    .review cite span{display:block;color:#75877e;font-weight:400}
    .match{background:#e8f6ed}
    .match-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
    .match-copy p{color:var(--muted)}
    .match-copy ul{padding-left:18px;color:#456154;font-size:14px}
    .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 #c9ded1;border-radius:3px;background:#fff;padding:11px 12px;color:var(--ink);outline:none}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(19,129,95,.1)}
    .field textarea{min-height:110px;resize:vertical}
    .form-actions{grid-column:1/-1;display:flex;align-items:center;gap:14px}
    .form-note{font-size:12px;color:#63796d}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{position:relative;cursor:pointer;list-style:none;padding:17px 36px 17px 0;font-weight:750}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:12px;color:var(--green);font-size:23px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{max-width:850px;margin:0;padding:0 28px 18px 0;color:var(--muted);font-size:14px}
    .articles{background:#fff}
    .article-row{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article-link{min-height:98px;display:flex;flex-direction:column;justify-content:space-between;padding:16px;border:1px solid var(--line);border-radius:3px;background:#f8fcf9;transition:border-color .2s,transform .2s}
    .article-link:hover{border-color:#8dc6a2;transform:translateY(-3px)}
    .article-link strong{font-size:14px}
    .article-link span{color:var(--green);font-size:12px}
    .join-strip{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:25px 0;border-top:1px solid var(--line)}
    .join-strip h3{margin:0 0 5px;font-size:19px}
    .join-strip p{margin:0;color:var(--muted);font-size:14px}
    .site-footer{background:#edf6f0;color:#345247;border-top:1px solid #d7e9dc}
    .footer-main{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:36px;padding:35px 0}
    .footer-main h2,.footer-main h3{margin:0 0 10px;color:var(--ink);font-size:16px}
    .footer-main p{margin:5px 0;color:#5c7468;font-size:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 14px}
    .footer-links a{font-size:13px;color:#416756}
    .footer-links a:hover{color:var(--green)}
    .contact-qr{width:110px;padding:5px;background:#fff;border:1px solid var(--line)}
    .contact-qr img{display:block;width:100%;height:auto}
    .copyright{padding:13px 0;border-top:1px solid #d7e9dc;color:#687e73;font-size:12px}
    .floating{position:fixed;right:16px;bottom:18px;z-index:15;display:flex;flex-direction:column;gap:8px}
    .floating a,.to-top{width:46px;height:46px;display:grid;place-items:center;border:1px solid #b9d8c5;border-radius:50%;background:#fff;color:var(--green-dark);box-shadow:0 5px 16px rgba(22,73,52,.12);font-size:12px;font-weight:800}
    .to-top{cursor:pointer}
    .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
    .reveal.visible{opacity:1;transform:none}
    @keyframes float-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
    @media(max-width:980px){
      .nav-links a{padding-inline:8px;font-size:13px}
      .nav-wrap{gap:12px}
      .service-grid{grid-template-columns:repeat(3,1fr)}
      .article-row{grid-template-columns:repeat(3,1fr)}
      .hero-grid{gap:32px}
    }
    @media(max-width:760px){
      .container{width:min(var(--wrap),calc(100% - 32px))}
      .header-inner{min-height:64px}
      .menu-toggle{display:block}
      .nav-wrap{display:none;position:absolute;top:64px;left:0;right:0;padding:12px 16px 16px;background:#fff;border-bottom:1px solid var(--line);align-items:stretch;box-shadow:0 12px 20px rgba(22,73,52,.08)}
      .nav-wrap.open{display:flex;flex-direction:column}
      .nav-links{display:grid;grid-template-columns:1fr 1fr}
      .nav-links a{padding:10px 8px;border-bottom:1px solid #edf3ef}
      .header-cta{justify-content:center}
      .hero{padding:58px 0 42px}
      .hero-grid,.about-grid,.production-layout,.network-grid,.match-layout{grid-template-columns:1fr}
      .hero-grid{gap:30px}
      h1{font-size:43px}
      .hero-copy{font-size:16px}
      .hero-stats{gap:20px}
      section{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .service-grid{grid-template-columns:repeat(2,1fr)}
      .solution-grid{grid-template-columns:1fr 1fr;gap:18px}
      .case-grid{grid-template-columns:1fr}
      .reviews{grid-template-columns:1fr 1fr}
      .footer-main{grid-template-columns:1fr 1fr}
      .footer-main>div:first-child{grid-column:1/-1}
    }
    @media(max-width:480px){
      .brand{font-size:16px}
      .brand img{width:32px;height:32px}
      .hero-grid{grid-template-columns:minmax(0,1fr)}
      h1{font-size:38px}
      .hero-stats{justify-content:space-between;gap:10px}
      .hero-stats strong{font-size:20px}
      .workflow-line{gap:6px}
      .workflow-line div{padding:10px 7px;font-size:11px}
      .service-grid,.solution-grid,.reviews,.article-row{grid-template-columns:1fr}
      .case{grid-template-columns:105px 1fr;gap:13px;padding:12px}
      .capability-list{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .field.full,.form-actions{grid-column:auto}
      .form-actions{align-items:flex-start;flex-direction:column}
      .join-strip{align-items:flex-start;flex-direction:column}
      .footer-main{grid-template-columns:1fr}
      .footer-main>div:first-child{grid-column:auto}
      .score{font-size:46px}
      .floating{right:10px;bottom:12px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }