:root {
      color-scheme: light;
      --ink: #1d2926;
      --muted: #5e6b66;
      --paper: #f6f9f4;
      --white: #fff;
      --line: #dce6dc;
      --green: #176b4b;
      --green-dark: #0c4b36;
      --lime: #d7f36a;
      --coral: #e7795e;
      --blue: #317b91;
      --max: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    img { display: block; max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; }
    .container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(246,249,244,.96); border-bottom: 1px solid rgba(29,41,38,.1); backdrop-filter: blur(12px); }
    .nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; white-space: nowrap; }
    .brand img { width: 40px; max-height: 40px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 8px 10px; color: #394741; font-size: 13px; text-decoration: none; border-radius: 4px; }
    .nav-links a:hover { background: #e7efe5; color: var(--green-dark); }
    .nav-cta, .button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 8px; padding: 10px 17px; border: 1px solid var(--green); border-radius: 5px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
    .nav-cta { flex: 0 0 auto; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--green-dark); box-shadow: 0 7px 18px rgba(23,107,75,.2); }
    .button.secondary { color: var(--green-dark); background: transparent; }
    .button.secondary:hover { color: white; background: var(--green); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; background: #e9f4df; border-bottom: 1px solid #d5e5d1; }
    .hero::before { position: absolute; inset: 0; content: ""; opacity: .34; background-image: linear-gradient(rgba(23,107,75,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(23,107,75,.08) 1px, transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(to right, #000, transparent 82%); }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(260px,.85fr); align-items: center; gap: 48px; padding-block: 76px 62px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 15px; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
    .eyebrow::before { width: 22px; height: 3px; content: ""; background: var(--coral); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 690px; margin-bottom: 18px; font-size: clamp(38px, 6vw, 66px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 610px; margin-bottom: 26px; color: #40524a; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 17px 0 0; color: #53635c; font-size: 13px; }
    .hero-visual { position: relative; padding: 23px; border: 1px solid rgba(23,107,75,.2); background: rgba(255,255,255,.78); box-shadow: 10px 10px 0 rgba(23,107,75,.12); animation: rise-in .7s ease both; }
    .visual-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 15px; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 800; }
    .status-dot { width: 9px; height: 9px; display: inline-block; margin-right: 7px; border-radius: 50%; background: #78b93b; box-shadow: 0 0 0 4px #e7f4d8; }
    .workflow { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding-top: 16px; }
    .workflow-item { min-height: 83px; padding: 13px; border: 1px solid #e2eadf; background: #f8fbf5; }
    .workflow-item strong { display: block; margin-bottom: 3px; font-size: 14px; }
    .workflow-item span { color: var(--muted); font-size: 12px; }
    .workflow-item.accent { background: #eff7d9; border-color: #dceba9; }
    .hero-metric { display: flex; align-items: baseline; gap: 8px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
    .hero-metric strong { color: var(--green); font-size: 28px; }
    .hero-metric span { color: var(--muted); font-size: 13px; }
    .strip { background: var(--green-dark); color: white; }
    .strip-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-block: 16px; }
    .strip p { margin: 0; font-size: 14px; }
    .strip-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .strip-tags span { padding: 4px 9px; border: 1px solid rgba(255,255,255,.35); color: #f2ffd3; font-size: 12px; }
    main { overflow: hidden; }
    section.content-section { padding-block: 68px; border-bottom: 1px solid #e0e8df; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
    .section-head h2 { max-width: 650px; margin-bottom: 0; font-size: clamp(27px, 4vw, 40px); line-height: 1.2; }
    .section-head p { max-width: 480px; margin-bottom: 2px; color: var(--muted); }
    .section-kicker { margin-bottom: 9px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: start; }
    .intro-copy { max-width: 680px; color: #46534d; font-size: 17px; }
    .intro-copy p:last-child { margin-bottom: 0; }
    .capability-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; margin: 0; padding: 0; list-style: none; }
    .capability-list li { padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 700; }
    .capability-list li::before { content: "↗"; margin-right: 9px; color: var(--coral); }
    .metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 36px; background: var(--line); border: 1px solid var(--line); }
    .metric { padding: 20px; background: #fff; }
    .metric strong { display: block; color: var(--green-dark); font-size: 25px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service { min-height: 171px; padding: 20px; border: 1px solid #dce6dc; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .service:hover, .quote:hover, .case:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(31,58,44,.08); }
    .service .index { color: var(--coral); font-size: 12px; font-weight: 800; }
    .service h3 { margin: 8px 0; font-size: 18px; }
    .service p { margin: 0; color: var(--muted); font-size: 14px; }
    .model-band { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
    .model-band span { padding: 6px 10px; border: 1px solid #b8d6c4; background: #edf6ec; color: #25553d; font-size: 13px; }
    .split-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 38px; align-items: start; }
    .split-aside { padding: 23px; background: #e4f0dc; border-left: 4px solid var(--green); }
    .split-aside h3 { margin-bottom: 9px; font-size: 20px; }
    .split-aside p { margin-bottom: 0; color: #46564b; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .step { position: relative; padding: 4px 20px 0 0; }
    .step::before { display: grid; width: 38px; height: 38px; place-items: center; margin-bottom: 15px; border-radius: 50%; background: var(--green); color: white; font-size: 14px; font-weight: 800; counter-increment: step; content: counter(step, decimal-leading-zero); }
    .step:not(:last-child)::after { position: absolute; top: 19px; left: 48px; right: 12px; height: 1px; content: ""; background: #a9c9b2; }
    .step h3 { margin-bottom: 6px; font-size: 17px; }
    .step p { max-width: 230px; margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .sector-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
    .sector { min-height: 130px; padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.56); }
    .sector strong { display: block; margin-bottom: 6px; }
    .sector p { margin: 0; color: var(--muted); font-size: 13px; }
    .network { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
    .network-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
    .network-node { padding: 12px 8px; border: 1px solid #c8dfce; background: #eef6e9; color: #27553e; text-align: center; font-size: 13px; font-weight: 700; }
    .network-copy { color: #46534d; }
    .network-copy h3 { margin-bottom: 10px; font-size: 24px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 700px; border-collapse: collapse; }
    th, td { padding: 13px 16px; border-bottom: 1px solid #e4eae3; text-align: left; vertical-align: top; }
    th { background: #edf4e9; color: #294737; font-size: 13px; }
    td { color: #48564e; font-size: 14px; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .rating-panel { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-bottom: 20px; padding: 18px 21px; background: var(--green-dark); color: white; }
    .rating-panel strong { color: var(--lime); font-size: 30px; }
    .rating-panel span { font-size: 14px; }
    .stars { color: var(--lime); letter-spacing: 2px; font-size: 18px; }
    .case-grid, .quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .case { padding: 0 0 18px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .case-media { overflow: hidden; aspect-ratio: 16 / 9; background: #e8efe5; }
    .case-media img { width: 100%; height: 100%; object-fit: cover; }
    .case-copy { padding: 16px 17px 0; }
    .case-copy .label { color: var(--green); font-size: 12px; font-weight: 800; }
    .case-copy h3 { margin: 5px 0 7px; font-size: 18px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 14px; }
    .quote { padding: 19px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .quote blockquote { margin: 0 0 15px; color: #394841; font-size: 14px; }
    .quote cite { color: var(--green-dark); font-size: 13px; font-style: normal; font-weight: 800; }
    .price-note { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 22px; padding: 22px 24px; border: 1px solid #cfe0ca; background: #edf5e7; }
    .price-note h3 { margin: 0 0 5px; font-size: 20px; }
    .price-note p { margin: 0; color: var(--muted); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 40px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; right: 3px; top: 14px; content: "+"; color: var(--green); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
    details[open] summary::after { transform: rotate(45deg); }
    details p { max-width: 850px; margin: -3px 0 17px; color: var(--muted); font-size: 14px; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { display: flex; min-height: 105px; flex-direction: column; justify-content: space-between; padding: 15px; border: 1px solid var(--line); background: #fff; text-decoration: none; }
    .article-link strong { font-size: 14px; }
    .article-link span { color: var(--green); font-size: 12px; }
    .article-link:hover { border-color: #81b594; }
    .glossary { display: flex; flex-wrap: wrap; gap: 9px; }
    .glossary span { padding: 7px 12px; border-bottom: 2px solid #a8cd70; background: #fff; color: #3c5144; font-size: 14px; }
    .join-band { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 25px; padding: 26px; background: #dff0bc; }
    .join-band h3 { margin: 0 0 5px; font-size: 22px; }
    .join-band p { margin: 0; color: #4c5b4d; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .contact-details { display: grid; gap: 14px; }
    .contact-item { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
    .contact-item strong { display: block; margin-bottom: 3px; }
    .contact-item span, .contact-item a { color: var(--muted); text-decoration: none; }
    .qr { width: 150px; padding: 8px; border: 1px solid var(--line); background: #fff; }
    .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 #cbd8cd; border-radius: 3px; outline: none; background: #fff; color: var(--ink); }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(23,107,75,.1); }
    .field textarea { min-height: 116px; resize: vertical; }
    .form-submit { margin-top: 15px; }
    .site-footer { background: #e4ece1; color: #25352d; }
    .footer-main { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; padding-block: 30px; }
    .footer-main p { max-width: 520px; margin: 9px 0 0; color: #53635a; font-size: 14px; }
    .footer-links { display: flex; flex-wrap: wrap; align-content: start; justify-content: flex-end; gap: 8px 16px; }
    .footer-links a { color: #315844; font-size: 13px; text-decoration: none; }
    .footer-bottom { padding-block: 13px; border-top: 1px solid #cbd8ca; color: #53635a; font-size: 12px; }
    .float-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .float-contact a { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--green-dark); border-radius: 50%; background: var(--green-dark); color: #fff; font-size: 12px; font-weight: 800; text-decoration: none; box-shadow: 0 4px 12px rgba(15,52,37,.2); }
    .float-contact a:last-child { background: var(--coral); border-color: var(--coral); }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @keyframes rise-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 980px) {
      .nav-wrap { flex-wrap: wrap; padding-block: 12px; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-links { display: none; order: 4; width: 100%; justify-content: flex-start; padding-top: 6px; border-top: 1px solid var(--line); }
      .nav-links.open { display: flex; }
      .nav-cta { margin-left: 0; }
      .hero-inner { gap: 30px; }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--max), calc(100% - 30px)); }
      .hero-inner { grid-template-columns: 1fr; padding-block: 52px 40px; }
      h1 { font-size: 42px; }
      .hero-copy { font-size: 16px; }
      .hero-visual { max-width: 500px; }
      section.content-section { padding-block: 48px; }
      .section-head { display: block; }
      .section-head p { margin: 12px 0 0; }
      .intro-grid, .split-section, .network, .contact-grid, .footer-main { grid-template-columns: 1fr; gap: 24px; }
      .metric-row { grid-template-columns: 1fr 1fr; }
      .service-grid { grid-template-columns: 1fr 1fr; }
      .steps { grid-template-columns: 1fr 1fr; gap: 25px 12px; }
      .step:nth-child(2)::after { display: none; }
      .sector-row { grid-template-columns: 1fr 1fr; }
      .case-grid, .quote-grid { grid-template-columns: 1fr 1fr; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 460px) {
      .nav-cta { min-height: 40px; padding: 8px 11px; font-size: 13px; }
      .brand { font-size: 14px; }
      .brand img { width: 34px; max-height: 34px; }
      .nav-links a { padding: 8px; font-size: 12px; }
      h1 { font-size: 37px; }
      .hero-actions .button { flex: 1 1 100%; }
      .service-grid, .case-grid, .quote-grid { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .step:not(:last-child)::after { display: none; }
      .network-map { grid-template-columns: 1fr 1fr; }
      .price-note, .join-band { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .float-contact { right: 10px; bottom: 12px; }
      .float-contact a { width: 44px; height: 44px; }
    }