:root {
      color-scheme: light;
      --ink: #172b26;
      --muted: #52645e;
      --paper: #f6f8f5;
      --white: #fff;
      --line: #dce5df;
      --green: #176b4a;
      --green-dark: #104b37;
      --lime: #d8f46a;
      --orange: #f4a44a;
      --mint: #e8f2ea;
      --shadow: 0 14px 36px rgba(22, 57, 43, .09);
      --width: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font: 16px/1.65 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    a { color: inherit; }
    button, input, select, textarea { font: inherit; }
    img { display: block; max-width: 100%; height: auto; }
    .container { width: min(var(--width), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(220,229,223,.9); background: rgba(246,248,245,.95); backdrop-filter: blur(12px); }
    .nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 18px; font-weight: 800; white-space: nowrap; }
    .brand img { width: 42px; height: 42px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; list-style: none; padding: 0; margin: 0; }
    .nav-links a { display: block; padding: 10px 11px; text-decoration: none; color: #344841; font-size: 14px; }
    .nav-links a:hover { color: var(--green); }
    .nav-action { padding: 10px 16px; border-radius: 5px; color: var(--white); background: var(--green); text-decoration: none; font-weight: 700; white-space: nowrap; }
    .menu-toggle { display: none; border: 1px solid var(--line); border-radius: 5px; padding: 8px 11px; background: var(--white); color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 78px 0 58px; background: #eaf2e8; border-bottom: 1px solid var(--line); }
    .hero::before { position: absolute; content: ""; width: 390px; aspect-ratio: 1; right: -110px; top: -190px; border: 1px solid rgba(23,107,74,.18); border-radius: 50%; box-shadow: 0 0 0 36px rgba(23,107,74,.035), 0 0 0 76px rgba(23,107,74,.025); }
    .hero::after { position: absolute; content: ""; width: 10px; height: 10px; right: 18%; bottom: 62px; background: var(--orange); transform: rotate(45deg); }
    .hero-inner { position: relative; z-index: 1; }
    .eyebrow { margin: 0 0 16px; color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 670px; margin: 22px 0 28px; color: #40564e; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 19px; border: 1px solid var(--green); border-radius: 5px; background: var(--green); color: var(--white); font-weight: 750; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(23,107,74,.2); background: var(--green-dark); }
    .button.secondary { background: transparent; color: var(--green-dark); }
    .hero-facts { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0; margin-top: 58px; border-top: 1px solid #cad9ce; }
    .fact { padding: 20px 18px 4px 0; }
    .fact strong { display: block; font-size: 17px; }
    .fact span { color: var(--muted); font-size: 13px; }
    .section { padding: 72px 0; }
    .section.tint { background: #edf3ed; border-block: 1px solid #e1e9e2; }
    .section-head { max-width: 720px; margin-bottom: 30px; }
    .section-head h2 { margin: 0 0 10px; font-size: clamp(28px, 4vw, 39px); line-height: 1.2; letter-spacing: 0; }
    .section-head p { margin: 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: start; }
    .intro-copy p { margin: 0 0 14px; color: #40564e; }
    .capability-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 22px; margin: 0; padding: 0; list-style: none; }
    .capability-list li { padding: 13px 0; border-bottom: 1px solid var(--line); font-weight: 700; }
    .capability-list li span { display: block; color: var(--muted); font-size: 13px; font-weight: 450; }
    .service-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
    .service { min-height: 174px; padding: 20px; border: 1px solid var(--line); border-top: 3px solid var(--green); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
    .service:hover, .quote:hover, .case:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .service h3 { margin: 0 0 8px; font-size: 18px; }
    .service p { margin: 0; color: var(--muted); font-size: 14px; }
    .platform-band { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; padding: 26px 0; border-block: 1px solid var(--line); }
    .platform-band h3 { margin: 0 0 8px; font-size: 21px; }
    .platform-band p { margin: 0; color: var(--muted); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud span { padding: 6px 10px; border: 1px solid #cbd9ce; border-radius: 3px; background: var(--white); color: #29473a; font-size: 13px; }
    .steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; counter-reset: step; }
    .step { padding: 20px 0 0; border-top: 2px solid var(--green); counter-increment: step; }
    .step::before { content: "0" counter(step); color: var(--green); font-size: 13px; font-weight: 850; }
    .step h3 { margin: 8px 0 5px; font-size: 18px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; }
    .solution { padding: 18px 0; border-bottom: 1px solid var(--line); }
    .solution h3 { margin: 0 0 5px; font-size: 17px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .network { display: grid; grid-template-columns: 1fr auto; gap: 25px; align-items: center; padding: 26px; background: var(--green-dark); color: var(--white); }
    .network h2 { margin: 0 0 8px; font-size: 27px; }
    .network p { margin: 0; color: #d3e5d9; }
    .network .button { border-color: var(--lime); background: var(--lime); color: #183326; }
    .case-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
    .case { overflow: hidden; border: 1px solid var(--line); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
    .case img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .case-copy { padding: 16px; }
    .case-copy h3 { margin: 0 0 5px; font-size: 17px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 14px; }
    .rating { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin: 0 0 20px; }
    .rating strong { color: var(--green); font-size: 38px; line-height: 1; }
    .rating span { color: var(--muted); }
    .stars { color: #b56b10; letter-spacing: 0; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
    table { width: 100%; border-collapse: collapse; min-width: 680px; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #eaf2e8; color: #203e31; font-size: 14px; }
    td { color: #40564e; font-size: 14px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .quotes { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
    .quote { padding: 19px; border: 1px solid var(--line); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
    .quote blockquote { margin: 0 0 14px; color: #344b41; font-size: 14px; }
    .quote cite { color: var(--green-dark); font-size: 13px; font-style: normal; font-weight: 800; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { position: relative; padding: 17px 34px 17px 0; cursor: pointer; list-style: none; font-weight: 750; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { position: absolute; right: 5px; content: "+"; color: var(--green); font-size: 22px; line-height: 1; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { max-width: 850px; margin: 0; padding: 0 28px 17px 0; color: var(--muted); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .contact-copy h2 { margin: 0 0 12px; font-size: 32px; }
    .contact-copy p { color: var(--muted); }
    .contact-lines { display: grid; gap: 8px; margin-top: 20px; }
    .contact-lines a { color: var(--green-dark); font-weight: 700; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 14px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #c9d6cc; border-radius: 3px; background: var(--white); color: var(--ink); }
    .field textarea { min-height: 115px; resize: vertical; }
    .contact-form .button { justify-self: start; cursor: pointer; }
    .form-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 12px; }
    .article-links { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
    .article-links a { padding: 14px; border-left: 2px solid var(--green); background: #edf3ed; color: var(--green-dark); font-size: 14px; font-weight: 700; text-decoration: none; }
    .article-links a:hover { background: #e2eee3; }
    .footer { padding: 26px 0; background: #e6eee7; border-top: 1px solid var(--line); color: #263b32; }
    .footer-main { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; align-items: start; }
    .footer p { margin: 4px 0; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
    .footer-links a { color: #24533d; font-size: 13px; }
    .float-contact { position: fixed; z-index: 15; right: 16px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a { padding: 10px 13px; border: 1px solid var(--green); background: var(--white); color: var(--green-dark); font-size: 13px; font-weight: 750; text-decoration: none; box-shadow: 0 5px 16px rgba(22,57,43,.12); }
    .float-contact a:first-child { background: var(--green); color: var(--white); }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: none; }
    @media (max-width: 980px) {
      .nav { flex-wrap: wrap; padding-block: 12px; }
      .menu-toggle { display: inline-flex; }
      .nav-action { margin-left: auto; }
      .nav-links { display: none; order: 3; width: 100%; flex-wrap: wrap; justify-content: flex-start; border-top: 1px solid var(--line); padding-top: 8px; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 8px 12px 8px 0; }
      .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .article-links { grid-template-columns: repeat(3,minmax(0,1fr)); }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--width), calc(100% - 30px)); }
      .hero { padding: 58px 0 38px; }
      .hero-copy { font-size: 16px; }
      .hero-facts { grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 38px; }
      .fact { padding: 16px 10px 4px 0; }
      .section { padding: 52px 0; }
      .intro-grid, .platform-band, .contact-grid { grid-template-columns: 1fr; gap: 24px; }
      .capability-list, .solution-list { grid-template-columns: 1fr; }
      .service-grid, .steps, .case-grid, .quotes { grid-template-columns: 1fr 1fr; }
      .network { grid-template-columns: 1fr; padding: 22px; }
      .article-links { grid-template-columns: 1fr 1fr; }
      .contact-form { grid-template-columns: 1fr; }
      .field.full, .form-note { grid-column: auto; }
      .float-contact { right: 10px; bottom: 10px; }
      .float-contact a { padding: 8px 10px; }
    }
    @media (max-width: 430px) {
      .service-grid, .steps, .case-grid, .quotes { grid-template-columns: 1fr; }
      .nav-action { padding: 9px 11px; font-size: 13px; }
      .brand { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }