:root {
      color-scheme: light;
      --ink: #182c31;
      --muted: #5c7073;
      --line: #dce9e5;
      --paper: #f4fbf9;
      --white: #fff;
      --teal: #087f78;
      --teal-dark: #075c59;
      --mint: #d7f1e9;
      --lime: #d9ee8a;
      --coral: #ec795f;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif;
    }
    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; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .ai-page-logo { width: 42px; height: 42px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #43585b; font-size: 14px; white-space: nowrap; }
    .nav-links a:hover { color: var(--teal); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 5px; padding: 11px 17px; background: var(--teal); color: #fff; font-weight: 700; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
    .nav-cta:hover, .button:hover { background: var(--teal-dark); box-shadow: 0 8px 20px rgba(8,127,120,.18); transform: translateY(-2px); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: white; color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 78px 0 54px; background: linear-gradient(120deg, #e2f5ef 0%, #f7fbef 52%, #eaf7f8 100%); }
    .hero::before { content: ""; position: absolute; inset: 0; opacity: .38; background-image: linear-gradient(rgba(7,92,89,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(7,92,89,.08) 1px, transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(to right, black, transparent 78%); }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0,1.25fr) minmax(260px,.75fr); gap: 55px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--teal-dark); font-size: 13px; font-weight: 800; }
    .eyebrow::before { content: ""; width: 25px; height: 2px; background: var(--coral); }
    h1 { max-width: 690px; margin: 16px 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.12; }
    .hero-copy { max-width: 620px; color: #496165; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .button.secondary { color: var(--teal-dark); background: #fff; border: 1px solid #b7d6cc; }
    .hero-note { margin-top: 17px; color: #617577; font-size: 13px; }
    .hero-panel { padding: 25px; border: 1px solid rgba(7,92,89,.17); background: rgba(255,255,255,.76); box-shadow: 12px 12px 0 rgba(8,127,120,.08); }
    .hero-panel h2 { margin: 0 0 18px; font-size: 19px; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 6px 9px; border: 1px solid #d6e8e1; color: #345659; background: #f8fcfa; font-size: 13px; }
    .hero-panel p { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
    .metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; padding: 24px 0; border-bottom: 1px solid var(--line); }
    .metric { padding: 4px 22px; border-left: 2px solid var(--lime); }
    .metric strong { display: block; font-size: 18px; }
    .metric span { color: var(--muted); font-size: 13px; }
    main { overflow: hidden; }
    .section { padding: 74px 0; }
    .section.tint { background: #edf7f3; border-block: 1px solid #e0eee8; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head h2 { margin: 5px 0 0; font-size: clamp(27px, 3.2vw, 38px); line-height: 1.2; }
    .section-head p { max-width: 560px; margin: 0; color: var(--muted); }
    .kicker { color: var(--teal); font-size: 12px; font-weight: 800; text-transform: uppercase; }
    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
    .intro-grid p { margin-top: 0; color: #53696b; }
    .capability-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px 22px; }
    .capability-list div { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .capability-list strong { display: block; margin-bottom: 3px; }
    .capability-list span { color: var(--muted); font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
    .service { padding: 21px; border: 1px solid var(--line); background: #fff; transition: transform .22s ease, box-shadow .22s ease; }
    .service:hover, .review:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(25,70,66,.09); }
    .service-index { color: var(--coral); font-size: 12px; font-weight: 800; }
    .service h3 { margin: 7px 0; font-size: 19px; }
    .service p { margin: 0; color: var(--muted); font-size: 14px; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; counter-reset: step; }
    .step { position: relative; padding: 17px 20px 17px 0; border-top: 2px solid #9bcfc1; counter-increment: step; }
    .step::before { content: "0" counter(step); display: block; margin-bottom: 14px; color: var(--teal); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 0 0 7px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
    .solution-copy { padding: 25px 0; }
    .solution-copy h3 { margin-top: 0; font-size: 24px; }
    .solution-copy p { color: var(--muted); }
    .solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .solution-tags span { padding: 7px 10px; border-left: 2px solid var(--teal); background: #e5f3ed; color: #305a56; font-size: 13px; }
    .media-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
    .media-stack figure { margin: 0; }
    .media-stack img, .case-image img { display: block; width: 100%; height: auto; object-fit: contain; background: #e8f1ed; }
    .media-stack .wide { grid-column: 1 / -1; }
    .media-stack figcaption { padding-top: 7px; color: var(--muted); font-size: 13px; }
    .comparison-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: 14px 16px; border-bottom: 1px solid #e7efec; vertical-align: top; }
    th { background: #e7f4ee; color: #264b48; font-size: 14px; }
    td { color: #506568; font-size: 14px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .rating { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 0 0 18px; padding: 17px 20px; background: var(--teal-dark); color: #fff; }
    .rating strong { font-size: 26px; }
    .rating span { color: #e3f2ed; }
    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .case { display: grid; grid-template-columns: minmax(120px,.7fr) 1fr; gap: 17px; align-items: start; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
    .case-image { overflow: hidden; }
    .case h3 { margin: 1px 0 7px; font-size: 18px; }
    .case p { margin: 0; color: var(--muted); font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
    .review { padding: 19px; border: 1px solid var(--line); background: white; transition: transform .2s ease, box-shadow .2s ease; }
    .review blockquote { margin: 0 0 16px; color: #435b5d; font-size: 14px; }
    .review cite { color: var(--teal-dark); font-size: 13px; font-style: normal; font-weight: 800; }
    .review small { display: block; color: #758688; font-weight: 400; }
    .info-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; }
    .info-columns h3 { margin: 0 0 12px; }
    .info-columns p { color: var(--muted); }
    .article-links { display: grid; gap: 0; }
    .article-links a { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); color: #315b58; }
    .article-links a:hover { color: var(--teal); }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 35px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 12px; color: var(--teal); font-size: 24px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: 0 0 17px; color: var(--muted); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 45px; align-items: start; }
    .contact-copy p { color: var(--muted); }
    .contact-detail { padding: 9px 0; border-bottom: 1px solid var(--line); }
    .contact-detail strong { display: inline-block; min-width: 112px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #cbdcd6; border-radius: 3px; color: var(--ink); background: white; }
    .field textarea { min-height: 116px; resize: vertical; }
    .form-submit { margin-top: 14px; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
    .join-band h3 { margin: 0 0 3px; }
    .join-band p { margin: 0; color: var(--muted); }
    .site-footer { padding: 27px 0; border-top: 1px solid var(--line); background: #e8f3ef; color: #294447; }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 15px; color: #345a59; font-size: 13px; }
    .copyright { color: #647779; font-size: 12px; }
    .floating { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating a, .top-button { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid #c7ddd5; border-radius: 50%; background: #fff; color: var(--teal-dark); font-size: 12px; font-weight: 800; box-shadow: 0 5px 16px rgba(23,64,58,.12); 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: 960px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 7px; font-size: 13px; }
      .nav-cta { display: none; }
      .hero-inner { gap: 30px; }
      .service-grid { grid-template-columns: repeat(2,1fr); }
    }
    @media (max-width: 720px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .nav-row { min-height: 64px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 8px 15px 15px; border-bottom: 1px solid var(--line); background: #fff; align-items: stretch; flex-direction: column; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 10px 5px; border-bottom: 1px solid #eef3f0; font-size: 15px; }
      .hero { padding: 55px 0 34px; }
      .hero-inner, .intro-grid, .solution-grid, .info-columns, .contact-grid { grid-template-columns: 1fr; }
      .hero-inner { gap: 30px; }
      .hero-copy { font-size: 16px; }
      .hero-panel { max-width: 540px; }
      .metrics { grid-template-columns: 1fr 1fr; row-gap: 18px; }
      .metric { padding-left: 13px; }
      .section { padding: 54px 0; }
      .section-head { display: block; }
      .section-head p { margin-top: 12px; }
      .service-grid, .review-grid { grid-template-columns: 1fr 1fr; }
      .workflow { grid-template-columns: 1fr 1fr; row-gap: 20px; }
      .case-grid { grid-template-columns: 1fr; }
      .contact-grid { gap: 24px; }
      .footer-row, .join-band { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 460px) {
      .service-grid, .review-grid { grid-template-columns: 1fr; }
      .case { grid-template-columns: 110px 1fr; gap: 12px; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .rating { align-items: flex-start; flex-direction: column; gap: 4px; }
      .hero-actions .button { width: 100%; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }