:root {
      color-scheme: light;
      --ink: #1b2728;
      --muted: #586666;
      --line: #dce5df;
      --paper: #f6f8f3;
      --white: #fff;
      --green: #176b54;
      --green-dark: #105340;
      --lime: #d5ef83;
      --coral: #f28a69;
      --blue: #86c9e8;
      --yellow: #f6d66d;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "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; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { display: block; max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; z-index: 20; top: 0; background: rgba(246,248,243,.96); border-bottom: 1px solid rgba(27,39,40,.1); backdrop-filter: blur(14px); }
    .nav-bar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 780; }
    .brand img { width: 38px; height: 38px; object-fit: contain; }
    .brand span { font-size: 18px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 9px 11px; color: #435251; font-size: 13px; border-radius: 5px; transition: background .2s,color .2s; }
    .nav-links a:hover { background: #e8efe8; color: var(--green-dark); }
    .nav-links .nav-cta { margin-left: 8px; padding: 10px 16px; color: white; background: var(--green); font-weight: 700; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); border-radius: 5px; padding: 8px 12px; cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 74px 0 48px; background: #eaf4e7; border-bottom: 1px solid #d9e8d7; }
    .hero::before, .hero::after { position: absolute; content: ""; pointer-events: none; }
    .hero::before { width: 300px; height: 300px; top: -150px; right: 7%; border: 1px solid rgba(23,107,84,.18); border-radius: 50%; box-shadow: 0 0 0 34px rgba(23,107,84,.04), 0 0 0 70px rgba(23,107,84,.03); }
    .hero::after { width: 150px; height: 150px; right: 16%; bottom: -108px; background: var(--yellow); transform: rotate(35deg); border-radius: 28px; opacity: .72; }
    .hero-content { position: relative; z-index: 1; max-width: 780px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 17px; color: var(--green-dark); font-size: 13px; font-weight: 750; letter-spacing: .04em; }
    .eyebrow::before { width: 22px; height: 3px; content: ""; background: var(--coral); }
    h1 { max-width: 700px; margin: 0; font-size: clamp(40px, 7vw, 72px); line-height: 1.06; letter-spacing: 0; }
    .hero h1 span { color: var(--green); }
    .hero-copy { max-width: 630px; margin: 22px 0 28px; color: #435351; font-size: 17px; }
    .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
    .button { display: inline-flex; min-height: 47px; align-items: center; justify-content: center; gap: 9px; padding: 11px 19px; border: 1px solid transparent; border-radius: 5px; font-weight: 720; transition: transform .18s,box-shadow .18s,background .18s; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 7px 18px rgba(28,58,46,.14); }
    .button-primary { color: white; background: var(--green); }
    .button-primary:hover { background: var(--green-dark); }
    .button-light { color: var(--ink); background: rgba(255,255,255,.7); border-color: #cbd8ce; }
    .hero-note { margin: 18px 0 0; color: #586866; font-size: 13px; }
    .hero-note strong { color: var(--green-dark); }
    .ribbon { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4,1fr); margin-top: 55px; border-top: 1px solid #cdddcf; }
    .ribbon-item { padding: 19px 20px 0 0; }
    .ribbon-item + .ribbon-item { padding-left: 20px; border-left: 1px solid #cdddcf; }
    .ribbon-item strong { display: block; font-size: 16px; }
    .ribbon-item span { color: var(--muted); font-size: 13px; }
    .ticker { overflow: hidden; color: #fff; background: var(--green); }
    .ticker-track { display: flex; width: max-content; gap: 30px; padding: 11px 0; animation: ticker 34s linear infinite; }
    .ticker-track span { color: #eff8dc; font-size: 13px; white-space: nowrap; }
    @keyframes ticker { to { transform: translateX(-50%); } }
    .section { padding: 76px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 690px; }
    .section-kicker { margin: 0 0 8px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(28px,4vw,42px); line-height: 1.18; letter-spacing: 0; }
    .section-intro { max-width: 640px; margin: 12px 0 0; color: var(--muted); }
    .text-link { color: var(--green-dark); font-weight: 750; white-space: nowrap; }
    .text-link:hover { text-decoration: underline; }
    .intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
    .intro-copy p { margin: 0 0 16px; color: #435251; }
    .intro-quote { margin: 24px 0 0; padding: 18px 20px; border-left: 4px solid var(--coral); background: #fff1e9; color: #4b403b; }
    .capability-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--line); }
    .capability-item { padding: 15px 12px 15px 0; border-bottom: 1px solid var(--line); }
    .capability-item strong { display: block; font-size: 14px; }
    .capability-item span { color: var(--muted); font-size: 12px; }
    .service-section { background: #edf3eb; border-block: 1px solid #dfe8dc; }
    .service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
    .service-item { min-height: 164px; padding: 19px; border: 1px solid #dce5db; border-radius: 5px; background: #fff; transition: transform .2s,border-color .2s,box-shadow .2s; }
    .service-item:hover { transform: translateY(-4px); border-color: #9bbba6; box-shadow: 0 9px 24px rgba(32,68,48,.08); }
    .service-item h3 { margin: 0 0 8px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-tag { display: inline-block; margin-bottom: 10px; color: var(--green-dark); font-size: 11px; font-weight: 800; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; counter-reset: step; }
    .workflow-step { position: relative; padding: 20px 20px 18px 0; border-top: 2px solid #aac4a8; counter-increment: step; }
    .workflow-step::before { display: block; margin-bottom: 14px; color: var(--coral); content: "0" counter(step); font-size: 13px; font-weight: 850; }
    .workflow-step h3 { margin: 0 0 7px; font-size: 17px; }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-band { padding: 28px 0; background: #d8eced; border-block: 1px solid #c6dfe0; }
    .industry-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .industry-row h2 { max-width: 270px; font-size: 24px; }
    .tag-cloud { display: flex; flex: 1; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
    .tag-cloud span { padding: 7px 11px; border: 1px solid #b6d0d1; border-radius: 4px; background: rgba(255,255,255,.66); color: #264346; font-size: 12px; }
    .network { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .network-note { padding: 20px; border-left: 4px solid var(--blue); background: #e9f4f8; }
    .network-note strong { display: block; margin-bottom: 6px; }
    .network-note p { margin: 0; color: var(--muted); font-size: 14px; }
    .model-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-list span { padding: 8px 11px; border: 1px solid var(--line); border-radius: 4px; background: white; color: #334340; font-size: 13px; }
    .comparison-section { background: #fff; border-block: 1px solid var(--line); }
    .rating-strip { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; padding: 16px 20px; background: #fff1dc; border-left: 4px solid #edaa38; }
    .rating-strip strong { font-size: 24px; }
    .rating-strip span { color: #564a37; }
    .rating-stars { color: #b87513 !important; letter-spacing: 0; font-size: 18px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 5px; }
    table { width: 100%; min-width: 710px; border-collapse: collapse; background: #fff; }
    th, td { padding: 13px 15px; border-bottom: 1px solid #e6ece7; text-align: left; vertical-align: top; font-size: 13px; }
    th { color: #334541; background: #edf3eb; font-weight: 780; }
    td:first-child { width: 21%; font-weight: 700; }
    td:nth-child(2) { color: var(--green-dark); font-weight: 650; }
    tr:last-child td { border-bottom: 0; }
    .comparison-foot { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
    .case-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
    .case-item { overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 5px; }
    .case-item img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #e7ece7; }
    .case-copy { padding: 17px; }
    .case-copy span { color: var(--green); font-size: 11px; font-weight: 800; }
    .case-copy h3 { margin: 5px 0 6px; font-size: 17px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 13px; }
    .testimonials { background: #f0e8f1; border-block: 1px solid #e2d6e4; }
    .quote-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
    .quote-item { padding: 18px; background: #fff; border-top: 3px solid var(--coral); }
    .quote-item p { margin: 0 0 15px; color: #364341; font-size: 14px; }
    .quote-item strong { font-size: 12px; color: #54625d; }
    .quote-note { margin: 17px 0 0; color: #606666; font-size: 12px; }
    .price-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 35px; align-items: start; }
    .price-layout p { margin: 0 0 12px; color: var(--muted); }
    .price-callout { padding: 20px; background: #e6f1dc; border: 1px solid #d2e3c8; }
    .price-callout strong { display: block; margin-bottom: 7px; }
    .article-list { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 10px; }
    .article-item { min-height: 120px; display: flex; flex-direction: column; justify-content: space-between; padding: 15px; border: 1px solid var(--line); background: #fff; transition: border-color .2s,transform .2s; }
    .article-item:hover { transform: translateY(-3px); border-color: #8cb39b; }
    .article-item span { color: var(--muted); font-size: 11px; }
    .article-item strong { font-size: 14px; }
    .faq-section { background: #edf3eb; border-block: 1px solid #dfe8dc; }
    .faq-list { max-width: 880px; border-top: 1px solid #cfdad0; }
    .faq-item { border-bottom: 1px solid #cfdad0; }
    .faq-item summary { position: relative; padding: 16px 40px 16px 0; cursor: pointer; list-style: none; font-weight: 720; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; top: 14px; right: 2px; color: var(--green); content: "+"; font-size: 22px; font-weight: 500; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 760px; margin: 0; padding: 0 26px 17px 0; color: var(--muted); font-size: 14px; }
    .contact-section { padding: 76px 0; background: #dff0e7; border-top: 1px solid #cfe2d6; }
    .contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 42px; align-items: start; }
    .contact-details { display: grid; gap: 12px; margin-top: 24px; }
    .contact-details div { padding-bottom: 11px; border-bottom: 1px solid #c3d8cc; }
    .contact-details span { display: block; color: var(--muted); font-size: 12px; }
    .contact-details strong { overflow-wrap: anywhere; }
    .form-panel { padding: 22px; background: white; border: 1px solid #cfddd2; border-radius: 5px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #394846; font-size: 12px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #ccd7cf; border-radius: 4px; outline: none; background: #fbfcfa; color: var(--ink); }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(23,107,84,.1); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-submit { margin-top: 15px; border: 0; cursor: pointer; }
    .site-footer { padding: 26px 0; color: #dce9e1; background: #203a32; }
    .footer-row { display: flex; align-items: start; justify-content: space-between; gap: 24px; }
    .footer-brand { font-weight: 780; color: white; }
    .footer-copy { margin: 5px 0 0; color: #c1d1c8; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 16px; max-width: 680px; }
    .footer-links a { color: #dce9e1; font-size: 12px; }
    .footer-links a:hover { color: var(--lime); }
    .footer-bottom { margin-top: 18px; padding-top: 14px; border-top: 1px solid #40574f; color: #afc1b7; font-size: 11px; }
    .floating-contact { position: fixed; z-index: 18; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .floating-contact a, .to-top { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 5px; color: white; background: var(--green); box-shadow: 0 5px 18px rgba(18,52,39,.2); font-size: 12px; font-weight: 750; cursor: pointer; }
    .to-top { display: none; border: 0; }
    .to-top.visible { display: grid; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease,transform .55s ease; }
    .reveal.in-view { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 900px) {
      .menu-toggle { display: inline-flex; align-items: center; gap: 8px; }
      .nav-bar { min-height: 66px; }
      .nav-links { display: none; position: absolute; top: 66px; left: 0; right: 0; align-items: stretch; padding: 10px 20px 16px; background: var(--paper); border-bottom: 1px solid var(--line); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
      .nav-links a { padding: 10px; }
      .nav-links .nav-cta { margin: 4px 0 0; text-align: center; }
      .intro-grid, .network, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
      .article-list { grid-template-columns: repeat(3,minmax(0,1fr)); }
    }
    @media (max-width: 640px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding-top: 55px; }
      .hero-copy { font-size: 15px; }
      .ribbon { grid-template-columns: repeat(2,1fr); row-gap: 15px; margin-top: 40px; }
      .ribbon-item { padding: 13px 8px 0 0; }
      .ribbon-item + .ribbon-item { padding-left: 12px; }
      .ribbon-item:nth-child(3) { padding-left: 0; border-left: 0; }
      .section { padding: 55px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 12px; }
      .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
      .service-item { min-height: 0; padding: 14px; }
      .service-item h3 { font-size: 15px; }
      .service-item p { font-size: 12px; }
      .workflow { grid-template-columns: repeat(2,1fr); gap: 18px 10px; }
      .workflow-step { padding-right: 8px; }
      .industry-row { align-items: start; flex-direction: column; }
      .industry-row h2 { max-width: none; }
      .tag-cloud { justify-content: flex-start; }
      .case-grid, .quote-grid { grid-template-columns: 1fr; }
      .price-layout { grid-template-columns: 1fr; gap: 18px; }
      .article-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-row { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
      .rating-strip { flex-wrap: wrap; gap: 8px 14px; }
    }