:root{--ink:#172522;--muted:#5b6b66;--paper:#f6f8f5;--white:#fff;--line:#dce5df;--green:#b7f34a;--green-dark:#376b34;--mint:#e9f5db;--violet:#e6e2ff;--coral:#ff8068;--shadow:0 14px 38px rgba(25,54,42,.09);--container:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:88px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,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(--container),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;z-index:20;top:0;background:rgba(246,248,245,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,229,223,.85)}
    .nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;font-weight:800;font-size:17px}
    .brand img{width:38px;max-height:38px;object-fit:contain}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;list-style:none;padding:0;margin:0;flex-wrap:wrap}
    .nav-links a{display:block;padding:10px 11px;color:#40514b;font-size:13px;transition:color .2s}
    .nav-links a:hover{color:#387b32}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 18px;border:0;border-radius:5px;background:var(--green);color:#172522;font-weight:750;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer}
    .nav-cta:hover,.button:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(80,134,38,.18);background:#c8ff6a}
    .button-outline{background:transparent;border:1px solid #718178}
    .button-outline:hover{background:#fff}
    .menu-toggle{display:none;width:42px;height:42px;background:#fff;border:1px solid var(--line);border-radius:5px;color:var(--ink);font-size:21px}
    main{overflow:hidden}
    .hero{position:relative;padding:78px 0 52px;background:#eaf3e3;border-bottom:1px solid #dce8d4}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 48%,rgba(183,243,74,.22) 48%,rgba(183,243,74,.22) 49%,transparent 49%),linear-gradient(30deg,transparent 75%,rgba(155,142,245,.12) 75%,rgba(155,142,245,.12) 76%,transparent 76%);pointer-events:none}
    .hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(270px,.8fr);align-items:center;gap:48px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:#416b37;font-size:13px;font-weight:750;letter-spacing:1px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--coral)}
    h1{max-width:720px;margin:18px 0 18px;font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:0}
    .hero-copy{max-width:650px;color:#4d5e57;font-size:17px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-note{margin-top:18px;color:#66756e;font-size:13px}
    .hero-panel{padding:24px;border:1px solid rgba(88,119,73,.24);background:rgba(255,255,255,.74);box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;font-size:13px;font-weight:750}
    .status{display:inline-flex;align-items:center;gap:7px;color:#44733c;font-size:12px}
    .status:before{content:"";width:8px;height:8px;border-radius:50%;background:#8fd643}
    .model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:16px}
    .model-chip{padding:10px 8px;background:#f2f6ee;border:1px solid #e3eadf;color:#34473e;text-align:center;font-size:12px;font-weight:650}
    .panel-caption{margin:16px 0 0;color:var(--muted);font-size:12px}
    .metric-row{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:46px;padding-top:20px;border-top:1px solid rgba(84,111,76,.25)}
    .metric{padding:4px 20px;border-right:1px solid rgba(84,111,76,.22)}
    .metric:first-child{padding-left:0}
    .metric:last-child{border:0}
    .metric strong{display:block;font-size:22px;line-height:1.3}
    .metric span{display:block;margin-top:5px;color:#607068;font-size:12px}
    section.content-section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2,.about-copy h2{font-size:clamp(28px,3.5vw,42px);line-height:1.2;margin:8px 0 0;letter-spacing:0}
    .section-head p{max-width:500px;margin:0;color:var(--muted)}
    .kicker{color:#49743c;font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase}
    .about{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
    .about-copy p{color:var(--muted)}
    .about-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px;margin:22px 0 0;padding:0;list-style:none}
    .about-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .about-list li:before{content:"↗";color:#6ba642;margin-right:10px;font-weight:800}
    .capability-band{background:#202d29;color:#f5f8f4;padding:68px 0}
    .capability-band .kicker{color:#c2f574}
    .capability-band .section-head p{color:#c1cdc6}
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#43524c;border:1px solid #43524c}
    .service{min-height:172px;padding:22px;background:#26342f;transition:background .2s,transform .2s}
    .service:hover{background:#30423a;transform:translateY(-3px)}
    .service .number{color:#c1f36c;font-size:12px;font-weight:800}
    .service h3{font-size:17px;margin:12px 0 7px}
    .service p{margin:0;color:#c0cbc4;font-size:13px}
    .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
    .tag{border:1px solid #56655e;padding:6px 10px;color:#d8e1da;font-size:12px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .step{padding:24px 22px 24px 0;position:relative}
    .step:not(:last-child):after{content:"";position:absolute;right:20px;top:38px;width:26px;height:1px;background:#a8c88f}
    .step-no{font-size:12px;color:#568640;font-weight:800}
    .step h3{margin:10px 0 5px;font-size:17px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .industry{padding:22px 20px;border-left:3px solid var(--green-dark);background:#fff}
    .industry h3{margin:0 0 7px;font-size:16px}
    .industry p{margin:0;color:var(--muted);font-size:13px}
    .network{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;padding:30px;background:#edf1ff}
    .network h2{margin:8px 0 12px;font-size:32px;line-height:1.25}
    .network p{color:#58636f}
    .network-points{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .network-points div{padding:14px 16px;background:#fff;border:1px solid #dce1f2;font-size:13px;font-weight:650}
    .case-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .case-feature{background:#fff;border:1px solid var(--line);padding:18px}
    .case-feature img{display:block;width:100%;aspect-ratio:16/8;object-fit:cover}
    .case-feature h3{margin:16px 0 6px;font-size:19px}
    .case-feature p{margin:0;color:var(--muted);font-size:14px}
    .case-side{display:grid;gap:18px}
    .case-mini{display:grid;grid-template-columns:100px 1fr;gap:15px;align-items:center;padding:14px;background:#fff;border:1px solid var(--line)}
    .case-mini img{width:100px;aspect-ratio:1;object-fit:cover}
    .case-mini h3{margin:0 0 5px;font-size:15px}
    .case-mini p{margin:0;color:var(--muted);font-size:12px}
    .comparison{background:#fff;border:1px solid var(--line)}
    .rating{display:flex;align-items:center;gap:22px;padding:22px 24px;background:#eff8e7;border-bottom:1px solid var(--line)}
    .rating-score{font-size:36px;line-height:1;font-weight:850}
    .stars{color:#547f3c;letter-spacing:2px;font-size:19px}
    .rating p{margin:4px 0 0;color:var(--muted);font-size:13px}
    .table-wrap{overflow-x:auto}
    table{width:100%;min-width:680px;border-collapse:collapse;text-align:left}
    th,td{padding:13px 18px;border-bottom:1px solid #e7ece8;font-size:13px}
    th{background:#f5f7f4;color:#394941}
    td:last-child{color:#39733e;font-weight:700}
    .comparison-note{margin:0;padding:13px 18px;color:var(--muted);font-size:12px}
    .token-section{background:#fff}
    .token-layout{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
    .token-layout h2{font-size:34px;line-height:1.2;margin:9px 0 12px}
    .token-layout p{color:var(--muted)}
    .token-points{border-left:2px solid var(--green);padding-left:22px}
    .token-points p{margin:8px 0;font-size:14px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .quote{padding:20px;background:#fff;border:1px solid var(--line)}
    .quote p{margin:0;color:#3f5048;font-size:14px}
    .quote footer{margin-top:17px;color:#627169;font-size:12px}
    .quote footer strong{display:block;color:#273831;font-size:13px}
    .faq-list{max-width:880px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{position:relative;list-style:none;cursor:pointer;padding:17px 36px 17px 0;font-weight:700}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:12px;color:#477b3a;font-size:22px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{max-width:780px;margin:0;padding:0 25px 18px 0;color:var(--muted);font-size:14px}
    .article-list{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .article{padding:17px;background:#fff;border-top:2px solid #c9eb9d;transition:transform .2s}
    .article:hover{transform:translateY(-3px)}
    .article span{color:#77857d;font-size:11px}
    .article h3{margin:9px 0 0;font-size:14px;line-height:1.55}
    .demand{background:#eaf3e3}
    .form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
    .form-copy h2{font-size:36px;line-height:1.2;margin:10px 0}
    .form-copy p{color:var(--muted)}
    .contact-lines{margin-top:20px;font-size:14px}
    .contact-lines a{display:block;margin:9px 0;color:#376e39}
    .request-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:24px;background:#fff;border:1px solid #d8e4d0}
    .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 #d6dfd9;border-radius:3px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#7bae53;box-shadow:0 0 0 3px rgba(124,174,83,.12)}
    .field textarea{min-height:108px;resize:vertical}
    .form-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:14px}
    .form-foot small{color:var(--muted);font-size:11px}
    .footer{background:#202d29;color:#edf3ee;padding:36px 0 22px}
    .footer-main{display:flex;justify-content:space-between;gap:35px;align-items:start}
    .footer-brand{max-width:360px}
    .footer-brand .brand{color:#fff}
    .footer-brand p{color:#becac2;font-size:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px 18px;max-width:590px}
    .footer-links a{color:#d9e4dc;font-size:12px}
    .footer-bottom{margin-top:25px;padding-top:15px;border-top:1px solid #405049;color:#bcc8c0;font-size:11px}
    .float-contact{position:fixed;right:18px;bottom:22px;z-index:15;display:grid;gap:9px}
    .float-contact a,.top-button{width:48px;height:48px;display:grid;place-items:center;border:1px solid #d5e1d8;background:#fff;color:#24342c;box-shadow:0 6px 18px rgba(20,43,31,.14);font-size:12px;font-weight:750}
    .top-button{cursor:pointer}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.is-visible{opacity:1;transform:translateY(0)}
    @media(max-width:950px){
      .nav{gap:12px}.nav-links{position:absolute;top:72px;left:0;right:0;display:none;padding:14px 20px 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 12px 18px rgba(22,43,31,.08);justify-content:flex-start}
      .nav-links.open{display:flex}.nav-links a{padding:10px 12px}.menu-toggle{display:block;margin-left:auto}.nav-cta{padding:10px 13px}
      .hero-inner{gap:26px}.service-grid{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:680px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav{min-height:64px}.brand{font-size:15px}.brand img{width:32px;max-height:32px}
      .nav-links{top:64px;display:none;max-height:72vh;overflow:auto}.nav-links.open{display:grid;grid-template-columns:repeat(2,1fr)}
      .nav-links a{padding:9px 5px}.nav-cta{font-size:12px;padding:9px 10px}
      .hero{padding:54px 0 34px}.hero-inner{grid-template-columns:1fr;gap:30px}h1{font-size:42px}
      .hero-copy{font-size:15px}.hero-panel{padding:18px}.metric-row{grid-template-columns:repeat(2,1fr);gap:14px 0;margin-top:30px}
      .metric{padding:4px 12px}.metric:nth-child(2){border-right:0}.metric:nth-child(3){padding-left:0}
      section.content-section{padding:54px 0}.section-head{display:block}.section-head p{margin-top:12px}
      .about,.network,.case-grid,.token-layout,.form-layout{grid-template-columns:1fr;gap:24px}
      .about-list{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr 1fr}.service{padding:17px;min-height:160px}
      .workflow{grid-template-columns:1fr 1fr}.step{padding:18px 10px 18px 0}.step:nth-child(2):after{display:none}
      .industry-grid{grid-template-columns:1fr}.network{padding:22px}.network h2{font-size:28px}
      .case-feature img{aspect-ratio:4/3}.case-mini{grid-template-columns:82px 1fr}.case-mini img{width:82px}
      .quote-grid{grid-template-columns:1fr 1fr}.article-list{grid-template-columns:1fr 1fr}
      .rating{padding:18px}.rating-score{font-size:30px}
      .request-form{padding:17px;grid-template-columns:1fr}.field-full,.form-foot{grid-column:auto}
      .form-foot{align-items:flex-start;flex-direction:column}
      .footer-main{flex-direction:column}.float-contact{right:10px;bottom:12px}.float-contact a,.top-button{width:42px;height:42px}
    }
    @media(max-width:420px){
      .nav-cta{display:none}.hero-actions .button{width:100%}.model-grid{grid-template-columns:repeat(2,1fr)}
      .service-grid,.workflow,.quote-grid,.article-list{grid-template-columns:1fr}
      .service{min-height:auto}.network-points{grid-template-columns:1fr 1fr}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }