:root {
      color-scheme: light;
      --ink: #182421;
      --muted: #5d6a65;
      --paper: #f6f8f6;
      --white: #fff;
      --line: #dfe7e1;
      --green: #c7f36b;
      --green-dark: #34552c;
      --teal: #d7f0e8;
      --coral: #f4d7cb;
      --yellow: #f5e8b8;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(24,36,33,.09); background: rgba(246,248,246,.95); backdrop-filter: blur(14px); }
    .header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; text-decoration: none; font-weight: 800; }
    .brand img { display: block; width: 42px; height: 42px; object-fit: contain; }
    .brand-name { font-size: 18px; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #3f4c47; text-decoration: none; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: #437520; }
    .nav-actions { display: flex; align-items: center; gap: 9px; }
    .button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px; padding: 0 19px; border: 1px solid var(--ink); background: var(--ink); color: #fff; text-decoration: none; font-size: 14px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(24,36,33,.15); }
    .button-lime { border-color: var(--green); background: var(--green); color: var(--ink); }
    .button-outline { background: transparent; color: var(--ink); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 62px; background: #e8f3e8; }
    .hero::before, .hero::after { position: absolute; content: ""; pointer-events: none; }
    .hero::before { width: 410px; height: 410px; right: -110px; top: -170px; border: 1px solid rgba(43,84,47,.18); border-radius: 50%; box-shadow: 0 0 0 34px rgba(255,255,255,.17), 0 0 0 68px rgba(255,255,255,.12); }
    .hero::after { width: 180px; height: 180px; right: 9%; bottom: -110px; background: var(--green); transform: rotate(28deg); }
    .hero-content { position: relative; z-index: 1; max-width: 820px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #486b40; font-size: 12px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
    .eyebrow::before { width: 25px; height: 2px; background: #669245; content: ""; }
    h1 { max-width: 780px; margin: 20px 0 18px; font-size: clamp(42px, 6vw, 72px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { max-width: 660px; margin: 0; color: #485750; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 29px; }
    .hero-foot { display: flex; flex-wrap: wrap; gap: 10px 23px; margin-top: 30px; color: #53615a; font-size: 13px; }
    .hero-foot span::before { margin-right: 8px; color: #55913d; content: "✓"; font-weight: 800; }
    .section { padding: 72px 0; }
    .section-tint { background: #edf2ec; }
    .section-white { background: #fff; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
    .section-head > div { max-width: 680px; }
    .kicker { margin: 0 0 8px; color: #558139; font-size: 12px; font-weight: 800; letter-spacing: 1.1px; }
    h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); line-height: 1.2; letter-spacing: 0; }
    .section-intro { max-width: 520px; margin: 10px 0 0; color: var(--muted); }
    .text-link { color: #355c28; font-size: 14px; font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 4px; }
    .intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
    .intro-copy { max-width: 680px; color: #49564f; font-size: 16px; }
    .intro-copy p { margin: 0 0 16px; }
    .capability-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border-top: 1px solid var(--line); }
    .capability-list div { padding: 16px 10px 16px 0; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 700; }
    .capability-list div::before { margin-right: 8px; color: #5e8b3e; content: "↗"; }
    .metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 42px; border-block: 1px solid var(--line); }
    .metric { padding: 23px 19px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; margin-bottom: 4px; font-size: 19px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 13px; }
    .service-card { min-height: 173px; padding: 22px; border: 1px solid var(--line); background: #fff; transition: transform .22s ease, box-shadow .22s ease; }
    .service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 25px rgba(24,36,33,.08); }
    .service-card:nth-child(4n+2) { background: #f2f7e9; }
    .service-card:nth-child(4n+3) { background: #edf5f2; }
    .service-card h3 { margin: 0 0 8px; font-size: 17px; }
    .service-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-tag { display: inline-block; margin-top: 15px; color: #597549; font-size: 11px; font-weight: 700; }
    .service-more { margin-top: 20px; color: var(--muted); font-size: 14px; }
    .workflow { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); counter-reset: step; border-top: 1px solid #cdd9ce; }
    .workflow-item { position: relative; padding: 24px 22px 10px 0; counter-increment: step; }
    .workflow-item::before { display: block; margin-bottom: 23px; color: #5f8749; content: "0" counter(step); font-size: 13px; font-weight: 800; }
    .workflow-item::after { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border: 1px solid #67904f; border-radius: 50%; background: var(--paper); content: ""; }
    .workflow-item h3 { margin: 0 0 7px; font-size: 16px; }
    .workflow-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .solution { padding: 25px; border-left: 4px solid #86b660; background: #fff; }
    .solution:nth-child(2) { border-color: #6ab4a0; }
    .solution:nth-child(3) { border-color: #e3a278; }
    .solution:nth-child(4) { border-color: #d3b64e; }
    .solution h3 { margin: 0 0 9px; font-size: 18px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-network { display: grid; grid-template-columns: .8fr 1.2fr; gap: 45px; align-items: center; }
    .network-copy p { color: var(--muted); }
    .network-label { display: inline-block; margin: 5px 7px 5px 0; padding: 7px 11px; border: 1px solid #ccd9ce; background: #fff; color: #40534a; font-size: 12px; }
    .network-panel { padding: 26px; background: #e8f0e8; }
    .network-panel h3 { margin: 0 0 17px; font-size: 16px; }
    .network-names { display: flex; flex-wrap: wrap; gap: 8px; }
    .network-names span { padding: 7px 10px; border: 1px solid rgba(44,76,51,.15); background: rgba(255,255,255,.75); color: #34463a; font-size: 12px; }
    .case-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 16px; }
    .case-feature { padding: 30px; background: #dbeee5; }
    .case-feature h3 { max-width: 520px; margin: 0 0 12px; font-size: 26px; line-height: 1.3; }
    .case-feature p { max-width: 570px; color: #4e6258; }
    .case-aside { display: grid; gap: 12px; }
    .case-note { padding: 21px; border: 1px solid var(--line); background: #fff; }
    .case-note h3 { margin: 0 0 6px; font-size: 16px; }
    .case-note p { margin: 0; color: var(--muted); font-size: 13px; }
    .score-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 22px; padding: 22px 26px; background: #e8f3e8; }
    .score-panel strong { font-size: 34px; line-height: 1; }
    .stars { color: #8b7621; font-size: 20px; letter-spacing: 0; }
    .score-copy { color: #4f5d55; font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    th, td { padding: 14px 17px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
    th { background: #eef3ed; color: #334239; font-size: 12px; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { width: 22%; font-weight: 700; }
    .positive { color: #386c36; font-weight: 700; }
    .fine-print { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
    .reviews-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
    .review { padding: 21px; border-top: 3px solid #8bb86b; background: #fff; }
    .review p { margin: 0 0 16px; color: #48564f; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 12px; }
    .gallery { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; align-items: start; }
    .gallery-main, .gallery-side { display: grid; gap: 14px; }
    .media-frame { overflow: hidden; background: #e8eeea; }
    .media-frame img { display: block; width: 100%; height: auto; object-fit: contain; }
    .media-caption { padding: 11px 13px; background: #fff; color: #47564e; font-size: 13px; }
    .article-links { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; }
    .article-link { display: flex; min-height: 100px; flex-direction: column; justify-content: space-between; padding: 16px; border: 1px solid var(--line); background: #fff; text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-3px); border-color: #8eb26f; }
    .article-link strong { font-size: 14px; }
    .article-link span { color: #64844f; font-size: 12px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 18px 40px 18px 0; cursor: pointer; list-style: none; font-size: 15px; font-weight: 700; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; right: 4px; color: #547443; content: "+"; font-size: 21px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 850px; margin: -4px 0 18px; color: var(--muted); font-size: 14px; }
    .join-band { display: grid; grid-template-columns: 1fr auto; gap: 25px; align-items: center; padding: 30px; background: #e9f2e8; }
    .join-band h3 { margin: 0 0 5px; font-size: 22px; }
    .join-band p { margin: 0; color: var(--muted); font-size: 14px; }
    .contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 45px; align-items: start; }
    .contact-details { display: grid; gap: 16px; margin-top: 23px; }
    .contact-details div { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
    .contact-details strong { display: block; font-size: 13px; }
    .contact-details a, .contact-details span { color: #526058; font-size: 14px; text-decoration: none; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 24px; border: 1px solid var(--line); background: #fff; }
    .field { display: grid; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #ccd7cf; border-radius: 0; background: #fbfcfb; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #608a46; box-shadow: 0 0 0 3px rgba(112,155,80,.12); }
    .field textarea { min-height: 120px; resize: vertical; }
    .form-submit { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
    .qr { width: 116px; margin-top: 8px; }
    .qr img { display: block; width: 100%; height: auto; }
    .site-footer { padding: 34px 0 25px; background: #e5ebe5; color: #25342c; }
    .footer-top { display: flex; justify-content: space-between; gap: 30px; align-items: start; }
    .footer-brand { max-width: 440px; }
    .footer-brand strong { font-size: 18px; }
    .footer-brand p { margin: 8px 0 0; color: #58655e; font-size: 13px; }
    .footer-links { display: flex; max-width: 600px; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; }
    .footer-links a { color: #405248; font-size: 13px; text-decoration: none; }
    .footer-links a:hover { text-decoration: underline; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 12px; margin-top: 24px; padding-top: 16px; border-top: 1px solid #cbd5cc; color: #58655e; font-size: 12px; }
    .floating-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating-contact a { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid var(--ink); background: var(--green); color: var(--ink); text-decoration: none; font-size: 12px; font-weight: 800; box-shadow: 0 4px 14px rgba(24,36,33,.12); }
    .floating-contact a:last-child { background: var(--ink); color: #fff; }
    .reveal { opacity: 0; transform: translateY(13px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { 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: 1000px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-actions .button { padding-inline: 12px; }
    }
    @media (max-width: 820px) {
      .header-inner { min-height: 68px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-area { position: absolute; top: 68px; right: 0; left: 0; display: none; padding: 12px 20px 18px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-area.is-open { display: block; }
      .nav-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); justify-content: initial; }
      .nav-links a { padding: 11px 8px; font-size: 13px; }
      .nav-actions { margin-top: 10px; }
      .intro-grid, .service-network, .contact-grid { grid-template-columns: 1fr; gap: 25px; }
      .section { padding: 58px 0; }
      .article-links { grid-template-columns: repeat(3, minmax(0,1fr)); }
    }
    @media (max-width: 600px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 59px 0 45px; }
      .hero-copy { font-size: 15px; }
      .section-head { display: block; }
      .section-head > .text-link { display: inline-block; margin-top: 15px; }
      .metric-strip { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .service-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
      .service-card { min-height: 0; padding: 16px; }
      .service-card h3 { font-size: 15px; }
      .service-card p { font-size: 12px; }
      .workflow { grid-template-columns: 1fr 1fr; row-gap: 13px; }
      .workflow-item { padding-right: 12px; }
      .solution-grid, .case-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
      .review { padding: 15px; }
      .review p { font-size: 13px; }
      .gallery { grid-template-columns: 1fr; }
      .gallery-side { grid-template-columns: 1fr 1fr; }
      .article-links { grid-template-columns: 1fr 1fr; }
      .join-band { grid-template-columns: 1fr; }
      .contact-form { grid-template-columns: 1fr; padding: 18px; }
      .field-wide, .form-submit { grid-column: auto; }
      .footer-top, .footer-bottom { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
      .score-panel { align-items: flex-start; flex-direction: column; gap: 10px; }
      .floating-contact { right: 10px; bottom: 12px; }
    }