:root {
      color-scheme: light;
      --ink: #17221f;
      --muted: #596763;
      --line: #dfe7e2;
      --paper: #f6f8f5;
      --white: #fff;
      --green: #c7f36b;
      --green-dark: #315d25;
      --cyan: #b8f0e5;
      --pink: #ffd8e6;
      --violet: #e6ddff;
      --max: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 90px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      background: rgba(246,248,245,.94);
      border-bottom: 1px solid rgba(23,34,31,.09);
      backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .brand img { display: block; width: 42px; max-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: #3e4d48; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: #507a1d; }
    .nav-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); width: 42px; height: 42px; border-radius: 8px; cursor: pointer; }
    .button {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 10px 18px;
      border: 1px solid transparent;
      border-radius: 7px;
      background: var(--green);
      color: #17221f;
      font-weight: 750;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .button:hover { transform: translateY(-2px); box-shadow: 0 9px 24px rgba(49,93,37,.14); }
    .button.dark { background: var(--ink); color: #fff; }
    .button.outline { border-color: #b8c6bf; background: transparent; color: var(--ink); }
    .hero {
      position: relative;
      overflow: hidden;
      padding: 76px 0 58px;
      background:
        linear-gradient(120deg, rgba(199,243,107,.34), transparent 45%),
        linear-gradient(300deg, rgba(184,240,229,.44), transparent 48%),
        var(--paper);
      border-bottom: 1px solid var(--line);
    }
    .hero:after {
      content: "";
      position: absolute;
      width: 300px;
      aspect-ratio: 1;
      top: 38px;
      right: max(3%, calc((100vw - var(--max))/2));
      border: 1px solid rgba(49,93,37,.18);
      border-radius: 50%;
      box-shadow: 0 0 0 34px rgba(199,243,107,.13), 0 0 0 68px rgba(184,240,229,.12);
      pointer-events: none;
      animation: orbit 18s linear infinite;
    }
    .hero-inner { position: relative; z-index: 1; max-width: 790px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #466322; font-size: 13px; font-weight: 750; }
    .eyebrow:before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: #86bc34; box-shadow: 0 0 0 4px rgba(134,188,52,.16); }
    h1 { max-width: 740px; margin: 18px 0 18px; font-size: clamp(42px, 6vw, 70px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { max-width: 680px; margin: 0; color: #4f5e58; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-note { margin: 17px 0 0; color: #5b6963; font-size: 13px; }
    .hero-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 54px; border: 1px solid #d6e1da; background: #d6e1da; }
    .metric { padding: 18px 20px; background: rgba(255,255,255,.84); }
    .metric strong { display: block; font-size: 19px; }
    .metric span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section.tinted { background: #edf3ee; border-block: 1px solid #dfe7e2; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 720px; }
    .kicker { color: #5b8129; font-size: 12px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    h2 { margin: 5px 0 9px; font-size: clamp(28px, 4vw, 40px); line-height: 1.2; letter-spacing: 0; }
    .section-head p, .lead { margin: 0; color: var(--muted); }
    .text-link { color: #476d22; font-weight: 750; white-space: nowrap; }
    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
    .intro-copy { font-size: 16px; color: #45534e; }
    .intro-copy p { margin: 0 0 16px; }
    .feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 0; padding: 0; list-style: none; }
    .feature-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .feature-list strong { display: block; font-size: 15px; }
    .feature-list span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .service-item { min-height: 144px; padding: 20px; border: 1px solid var(--line); background: rgba(255,255,255,.82); transition: transform .2s ease, border-color .2s ease; }
    .service-item:hover { transform: translateY(-3px); border-color: #a4c66c; }
    .service-item h3 { margin: 0 0 7px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-item:nth-child(4n+1) { border-top: 3px solid #b6df61; }
    .service-item:nth-child(4n+2) { border-top: 3px solid #79d6c7; }
    .service-item:nth-child(4n+3) { border-top: 3px solid #ec9ebd; }
    .service-item:nth-child(4n) { border-top: 3px solid #b8a8f4; }
    .process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-block: 1px solid var(--line); }
    .step { padding: 24px 22px 24px 0; }
    .step + .step { padding-left: 22px; border-left: 1px solid var(--line); }
    .step-number { color: #688c34; font-size: 12px; font-weight: 800; }
    .step h3 { margin: 7px 0; font-size: 18px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .industry { padding: 15px 16px; background: var(--white); border-left: 3px solid #99c755; font-size: 14px; font-weight: 700; }
    .network-row { display: grid; grid-template-columns: 1fr 1.5fr; gap: 32px; align-items: start; }
    .network-copy { color: var(--muted); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud span { padding: 7px 11px; border: 1px solid #d5e0d8; border-radius: 4px; background: #fff; color: #3f514a; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 14px; align-items: stretch; }
    .case { padding: 0; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
    .case img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #e6ece7; }
    .case-copy { padding: 17px; }
    .case-copy span { color: #60822f; font-size: 12px; font-weight: 750; }
    .case-copy h3 { margin: 5px 0; font-size: 18px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 13px; }
    .compare-layout { display: grid; grid-template-columns: .72fr 1.5fr; gap: 26px; align-items: start; }
    .score-panel { padding: 26px; background: var(--ink); color: #fff; }
    .score-panel .kicker { color: #c8f078; }
    .score-panel strong { display: block; margin: 8px 0 0; font-size: 58px; line-height: 1; }
    .score-panel p { color: #d2ddd6; }
    .stars { color: #d0fa72; font-size: 22px; letter-spacing: 0; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 580px; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; font-size: 14px; }
    th { background: #edf3ee; font-size: 13px; }
    td:last-child { color: #365d26; font-weight: 700; }
    .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .review { padding: 20px; border-top: 2px solid #b8e66d; background: #fff; }
    .review p { margin: 0 0 17px; color: #43514b; font-size: 14px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 12px; }
    .timeline { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
    .timeline-item { padding: 20px 22px 20px 0; }
    .timeline-item + .timeline-item { padding-left: 22px; border-left: 1px solid var(--line); }
    .timeline-item strong { display: block; margin-bottom: 6px; }
    .timeline-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .article-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-link { min-height: 98px; padding: 15px; display: flex; align-items: end; border: 1px solid var(--line); background: #fff; color: #34443d; font-size: 14px; font-weight: 700; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-2px); border-color: #a4c66c; }
    .pricing-note { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 24px; border-left: 4px solid #9dc951; background: #fff; }
    .pricing-note p { margin: 5px 0 0; color: var(--muted); }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { position: relative; padding: 18px 40px 18px 0; cursor: pointer; list-style: none; font-weight: 750; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary:after { content: "+"; position: absolute; right: 5px; top: 14px; color: #5e812b; font-size: 23px; }
    .faq-list details[open] summary:after { content: "−"; }
    .faq-list details p { max-width: 820px; margin: 0; padding: 0 0 18px; color: var(--muted); font-size: 14px; }
    .contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 38px; align-items: start; }
    .contact-info p { color: var(--muted); }
    .contact-lines { display: grid; gap: 9px; margin-top: 20px; }
    .contact-lines a { color: #355b2b; font-weight: 700; }
    .qr { width: 142px; margin-top: 20px; padding: 8px; border: 1px solid var(--line); background: #fff; }
    .qr img { display: block; width: 100%; aspect-ratio: 1; object-fit: contain; }
    .request-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: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #ced9d1; border-radius: 5px; background: #fff; color: var(--ink); padding: 11px 12px; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(134,188,52,.32); border-color: #80a945; }
    .field textarea { min-height: 120px; resize: vertical; }
    .request-form .button { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
    .footer { padding: 30px 0 22px; background: #e9efea; color: #26352e; border-top: 1px solid #d6e0d8; }
    .footer-top { display: flex; justify-content: space-between; align-items: start; gap: 28px; }
    .footer p { margin: 8px 0; color: #4b5b53; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 9px 17px; max-width: 620px; justify-content: flex-end; font-size: 13px; }
    .footer-links a { color: #38582d; }
    .copyright { margin-top: 20px; padding-top: 14px; border-top: 1px solid #d2ddd5; color: #526158; font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
    .float-contact a { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid #cfddc5; border-radius: 50%; background: #fff; color: #315d25; box-shadow: 0 5px 18px rgba(23,34,31,.12); font-weight: 800; font-size: 13px; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @media (max-width: 980px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-actions .button { padding-inline: 12px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(3, 1fr); }
      .article-row { grid-template-columns: repeat(3, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .case:first-child { grid-column: 1 / -1; }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--max), calc(100% - 32px)); }
      .nav-row { min-height: 66px; gap: 10px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-links { display: none; position: absolute; top: 65px; left: 0; right: 0; padding: 10px 16px 16px; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 10px 6px; border-bottom: 1px solid #e5ebe6; font-size: 14px; }
      .nav-actions > .button { display: none; }
      .hero { padding: 57px 0 35px; }
      .hero:after { width: 160px; top: 27px; right: -45px; opacity: .65; }
      h1 { max-width: 560px; font-size: 44px; }
      .hero-copy { font-size: 16px; }
      .hero-strip { grid-template-columns: repeat(2, 1fr); margin-top: 36px; }
      .section { padding: 56px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 12px; margin-bottom: 23px; }
      .intro-grid, .network-row, .compare-layout, .contact-grid { grid-template-columns: 1fr; }
      .process { grid-template-columns: 1fr 1fr; }
      .step { padding: 18px 12px 18px 0; }
      .step + .step { padding-left: 14px; }
      .step:nth-child(3) { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
      .step:nth-child(4) { border-top: 1px solid var(--line); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews { grid-template-columns: repeat(2, 1fr); }
      .timeline { grid-template-columns: 1fr; }
      .timeline-item, .timeline-item + .timeline-item { padding: 17px 0; border-left: 0; }
      .timeline-item + .timeline-item { border-top: 1px solid var(--line); }
      .pricing-note { grid-template-columns: 1fr; }
      .footer-top { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 520px) {
      .brand img { width: 36px; max-height: 36px; }
      .hero-actions .button { width: 100%; }
      .service-grid, .industry-grid, .reviews, .case-grid, .article-row { grid-template-columns: 1fr; }
      .case:first-child { grid-column: auto; }
      .feature-list { grid-template-columns: 1fr; }
      .request-form { grid-template-columns: 1fr; }
      .field.full, .request-form .button { grid-column: auto; }
      .float-contact { right: 10px; bottom: 12px; }
      .float-contact a { width: 43px; height: 43px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *:before, *:after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }