:root{--ink:#172b2a;--muted:#607371;--paper:#f6f8f7;--white:#fff;--line:#dce7e3;--green:#087f69;--lime:#c4ed68;--coral:#f0785b;--blue:#386f88;--soft:#eaf3ef;--width:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:86px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}
    a{color:inherit}
    button,input,select,textarea{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    .container{width:min(var(--width),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(246,248,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,227,.9)}
    .nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;white-space:nowrap}
    .brand img{width:38px;height:38px;object-fit:contain}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;list-style:none;margin:0;padding:0}
    .nav-links a{display:block;text-decoration:none;padding:10px 9px;color:#405552;font-size:13px;white-space:nowrap}
    .nav-links a:hover{color:var(--green)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;background:var(--green);color:#fff;text-decoration:none;font-weight:700;padding:12px 19px;transition:transform .2s,background .2s,box-shadow .2s;cursor:pointer}
    .nav-cta{white-space:nowrap;padding:10px 15px;font-size:13px}
    .button:hover,.nav-cta:hover{transform:translateY(-2px);background:#066b59;box-shadow:0 8px 20px rgba(8,127,105,.18)}
    .button.secondary{color:var(--ink);background:#fff;border:1px solid var(--line)}
    .button.secondary:hover{background:var(--soft)}
    .menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:5px;font-size:20px}
    .hero{position:relative;overflow:hidden;padding:76px 0 56px;background:linear-gradient(112deg,#eef6f1 0%,#f9faf6 55%,#eaf5f3 100%);border-bottom:1px solid var(--line)}
    .hero:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(8,127,105,.14);border-radius:50%;right:-105px;top:-165px;box-shadow:0 0 0 34px rgba(8,127,105,.035),0 0 0 72px rgba(8,127,105,.025);pointer-events:none}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.75fr);gap:52px;align-items:center;position:relative;z-index:1}
    .eyebrow{display:flex;align-items:center;gap:9px;color:var(--green);font-size:13px;font-weight:800}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
    h1{font-size:clamp(38px,5.2vw,64px);line-height:1.12;letter-spacing:0;margin:18px 0}
    .hero h1 span{color:var(--green)}
    .hero-copy{max-width:610px;color:#506561;font-size:17px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{font-size:12px;color:var(--muted);margin-top:16px}
    .hero-panel{border-left:1px solid #b8d2c8;padding:8px 0 8px 28px}
    .hero-panel h2{font-size:16px;margin:0 0 14px}
    .model-list{display:flex;flex-wrap:wrap;gap:8px}
    .model-list span{border:1px solid #c9ded5;background:rgba(255,255,255,.68);padding:7px 10px;font-size:12px;color:#38534e;border-radius:3px}
    .hero-panel p{font-size:13px;color:var(--muted);margin:17px 0 0}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);background:#fff}
    .metric{padding:20px 22px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:15px}
    .metric span{font-size:12px;color:var(--muted)}
    main{overflow:hidden}
    .section{padding:72px 0}
    .section.alt{background:#edf4f0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,3vw,38px);line-height:1.2;margin:8px 0 0;letter-spacing:0}
    .section-head p{max-width:510px;margin:0;color:var(--muted);font-size:14px}
    .kicker{font-size:12px;font-weight:800;letter-spacing:1px;color:var(--green);text-transform:uppercase}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
    .intro-grid p{margin:0 0 14px;color:#526763}
    .principles{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;border-top:1px solid var(--line)}
    .principle{padding:16px 0;border-bottom:1px solid var(--line)}
    .principle strong{display:block;font-size:14px;margin-bottom:4px}
    .principle span{font-size:13px;color:var(--muted)}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d9e5df;border:1px solid #d9e5df}
    .service{background:#fff;padding:23px 22px;min-height:184px;transition:background .2s,transform .2s}
    .service:hover{background:#f8fcf9;transform:translateY(-2px);position:relative}
    .service .num{font-size:11px;color:var(--coral);font-weight:800}
    .service h3{font-size:17px;margin:9px 0 7px}
    .service p{font-size:13px;color:var(--muted);margin:0}
    .service .tag{display:inline-block;margin-top:13px;color:var(--green);font-size:11px;font-weight:700}
    .capability-band{margin-top:24px;padding:23px 25px;background:#173d37;color:#fff;display:grid;grid-template-columns:1fr 2fr;gap:24px;align-items:center}
    .capability-band h3{font-size:18px;margin:0}
    .capability-band p{color:#d5e5dc;font-size:13px;margin:0}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
    .step{border-top:2px solid var(--green);padding-top:15px;counter-increment:step}
    .step:before{content:"0" counter(step);font-size:12px;font-weight:800;color:var(--coral)}
    .step h3{font-size:16px;margin:8px 0}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .industry-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
    .industry-layout img{display:block;width:100%;height:auto;object-fit:contain;background:#e4ece7}
    .industry-copy h3{font-size:22px;margin:0 0 12px}
    .industry-copy p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .industry-tags{display:flex;flex-wrap:wrap;gap:8px}
    .industry-tags span{padding:7px 10px;background:#fff;border:1px solid var(--line);font-size:12px}
    .network{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
    .network p{margin:0;color:var(--muted)}
    .model-cloud{display:flex;flex-wrap:wrap;gap:8px}
    .model-cloud span{border-bottom:2px solid #a7d7c0;padding:6px 9px;background:#fff;font-size:13px}
    .review-layout{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:start}
    .review-score{background:#173d37;color:white;padding:27px}
    .review-score small{color:#cfe2d8}
    .review-score strong{display:block;font-size:44px;line-height:1.1;margin:10px 0}
    .stars{color:#d5f26b;letter-spacing:2px;font-size:18px}
    .review-score p{font-size:13px;color:#d1e0d9;margin:12px 0 0}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
    table{border-collapse:collapse;width:100%;min-width:680px;text-align:left}
    th,td{padding:13px 15px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}
    th{background:#eaf3ef;font-size:12px;color:#38534e}
    td:first-child{font-weight:700}
    .positive{color:#087f69;font-weight:700}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .case{background:#fff;border-bottom:3px solid var(--green)}
    .case img{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;background:#e7eeea}
    .case-body{padding:18px}
    .case-body h3{font-size:16px;margin:0 0 7px}
    .case-body p{font-size:13px;color:var(--muted);margin:0}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .quote{padding:20px;border:1px solid var(--line);background:#fff}
    .quote p{font-size:14px;margin:0 0 16px;color:#425853}
    .quote footer{font-size:12px;color:var(--muted)}
    .quote footer strong{display:block;color:var(--ink);font-size:13px}
    .pricing-note{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
    .price-steps{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
    .price-steps li{padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}
    .price-steps b{color:var(--green);margin-right:10px}
    .article-list{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article-list a{display:block;padding:17px;background:#fff;border:1px solid var(--line);text-decoration:none;font-size:13px;font-weight:700}
    .article-list a span{display:block;margin-top:6px;color:var(--muted);font-size:11px;font-weight:400}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{list-style:none;cursor:pointer;padding:17px 36px 17px 0;font-weight:700;font-size:15px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:12px;font-size:22px;color:var(--green);font-weight:400}
    details[open] summary:after{content:"−"}
    details p{margin:0;padding:0 34px 17px 0;color:var(--muted);font-size:14px}
    .contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
    .contact-info{padding:5px 0}
    .contact-info h3{font-size:22px;margin:0 0 12px}
    .contact-info p{font-size:14px;color:var(--muted)}
    .contact-lines{margin-top:22px}
    .contact-lines p{padding:10px 0;border-bottom:1px solid var(--line);margin:0}
    .contact-lines strong{color:var(--ink)}
    .contact-form{background:#fff;border:1px solid var(--line);padding:24px}
    .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:12px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;border:1px solid #cedbd5;border-radius:3px;background:#fbfcfb;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(8,127,105,.09)}
    .field textarea{min-height:112px;resize:vertical}
    .form-bottom{display:flex;gap:14px;align-items:center;margin-top:16px;flex-wrap:wrap}
    .form-bottom small{color:var(--muted);font-size:11px}
    .join-band{padding:28px 0;background:#dcece4;border-block:1px solid #c8ddd2}
    .join-inner{display:flex;justify-content:space-between;align-items:center;gap:24px}
    .join-inner h2{font-size:22px;margin:0 0 5px}
    .join-inner p{margin:0;color:#526763;font-size:14px}
    .site-footer{background:#173d37;color:#e5eee9;padding:30px 0 22px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;align-items:start}
    .footer-brand{font-weight:800;font-size:17px}
    .footer-top p{color:#c6d8cf;font-size:13px;max-width:440px}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:flex-end;max-width:560px}
    .footer-links a{font-size:12px;color:#e5eee9;text-decoration:none}
    .footer-links a:hover{text-decoration:underline}
    .copyright{border-top:1px solid rgba(255,255,255,.18);margin-top:20px;padding-top:14px;color:#c6d8cf;font-size:11px}
    .floating{position:fixed;right:16px;bottom:18px;z-index:15;display:grid;gap:8px}
    .floating a,.floating button{width:46px;height:46px;display:grid;place-items:center;border:1px solid #c9ded5;border-radius:50%;background:#fff;color:var(--green);text-decoration:none;font-size:19px;box-shadow:0 5px 18px rgba(23,43,42,.12);cursor:pointer}
    .floating a:hover,.floating button:hover{background:var(--green);color:#fff}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.visible{opacity:1;transform:translateY(0)}
    @media(max-width:1000px){
      .nav-links{gap:0}
      .nav-links a{padding-inline:6px;font-size:12px}
      .nav-cta{display:none}
      .hero-grid{gap:30px}
      .article-list{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:760px){
      .container{width:min(var(--width),calc(100% - 32px))}
      .nav{min-height:64px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:64px;left:0;right:0;padding:10px 16px 16px;background:var(--paper);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,1fr);align-items:stretch}
      .nav-links.open{display:grid}
      .nav-links a{padding:10px 12px;font-size:14px}
      .hero{padding:55px 0 38px}
      .hero-grid{grid-template-columns:1fr;gap:28px}
      .hero-panel{border-left:0;border-top:1px solid #b8d2c8;padding:20px 0 0}
      .hero:after{width:250px;height:250px;right:-100px;top:-100px}
      h1{font-size:42px}
      .metrics{grid-template-columns:1fr 1fr}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .section{padding:54px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .intro-grid,.industry-layout,.network,.review-layout,.pricing-note,.contact-grid{grid-template-columns:1fr}
      .service-grid{grid-template-columns:1fr 1fr}
      .capability-band{grid-template-columns:1fr}
      .workflow{grid-template-columns:1fr 1fr;gap:24px 18px}
      .case-grid{grid-template-columns:1fr 1fr}
      .quote-grid{grid-template-columns:1fr 1fr}
      .review-score{max-width:none}
      .article-list{grid-template-columns:1fr 1fr}
      .join-inner{align-items:flex-start;flex-direction:column}
      .footer-top{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 28px)}
      .brand{font-size:14px}
      .brand img{width:34px;height:34px}
      h1{font-size:36px}
      .hero-copy{font-size:15px}
      .hero-actions .button{width:100%}
      .service-grid,.case-grid,.quote-grid,.principles{grid-template-columns:1fr}
      .service{min-height:0}
      .workflow{grid-template-columns:1fr 1fr}
      .article-list{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .field.full{grid-column:auto}
      .contact-form{padding:17px}
      .floating{right:10px;bottom:12px}
      .floating a,.floating button{width:42px;height:42px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }