:root {
      color-scheme: light;
      --ink: #17352d;
      --muted: #5a7168;
      --green: #16734d;
      --green-dark: #10583b;
      --mint: #dff3e6;
      --mint-pale: #f1f8f2;
      --lime: #c9e86a;
      --line: #d8e8dc;
      --paper: #f7fbf7;
      --white: #fff;
      --coral: #c65d42;
      --shadow: 0 14px 36px rgba(34, 85, 57, .09);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; z-index: 20; top: 0; background: rgba(247, 251, 247, .95); border-bottom: 1px solid rgba(216, 232, 220, .9); backdrop-filter: blur(14px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; }
    .brand img { display: block; width: 42px; }
    .brand-name { font-size: 18px; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; color: #38564a; font-size: 13px; }
    .nav-links a { padding: 10px 9px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--green); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 6px; padding: 12px 18px; background: var(--green); color: #fff; font-weight: 700; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
    .nav-cta { flex: 0 0 auto; padding: 10px 15px; font-size: 14px; }
    .button:hover, .nav-cta:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(22, 115, 77, .2); }
    .button.secondary { color: var(--green-dark); background: #fff; border: 1px solid var(--line); }
    .button.secondary:hover { background: var(--mint-pale); box-shadow: none; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); background: #fff; cursor: pointer; }
    .menu-toggle svg { width: 20px; height: 20px; }
    main { overflow: clip; }
    .hero { position: relative; padding: 80px 0 52px; background: #e9f6eb; border-bottom: 1px solid #d9ebdc; }
    .hero::before { position: absolute; inset: 0; content: ""; pointer-events: none; opacity: .48; background-image: linear-gradient(rgba(22,115,77,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(22,115,77,.055) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); align-items: center; gap: 56px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    .eyebrow::before { width: 8px; height: 8px; border-radius: 50%; background: #92bb37; content: ""; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 700px; margin: 16px 0 18px; font-size: clamp(38px, 5vw, 62px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 620px; color: #4c685b; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-note { margin: 18px 0 0; color: #60786b; font-size: 13px; }
    .hero-board { position: relative; padding: 24px; border: 1px solid #cfe4d2; border-radius: 10px; background: rgba(255,255,255,.83); box-shadow: var(--shadow); animation: rise .7s ease both; }
    .board-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
    .board-top strong { font-size: 15px; }
    .live-mark { color: var(--green); font-size: 12px; font-weight: 700; }
    .live-mark::before { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #80b835; content: ""; }
    .board-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding-top: 18px; }
    .board-item { min-height: 92px; display: flex; flex-direction: column; justify-content: space-between; padding: 13px; border-radius: 6px; background: #f0f8f1; }
    .board-item span { color: var(--muted); font-size: 12px; }
    .board-item b { font-size: 16px; }
    .board-footer { display: flex; justify-content: space-between; gap: 12px; margin-top: 17px; color: var(--muted); font-size: 12px; }
    .trust-strip { padding: 21px 0; background: #fff; border-bottom: 1px solid var(--line); }
    .trust-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 26px; }
    .trust-label { color: var(--muted); font-size: 13px; }
    .model-names { display: flex; flex-wrap: wrap; gap: 9px 18px; color: #315a47; font-size: 13px; font-weight: 700; }
    .section { padding: 76px 0; }
    .section.tinted { background: #eef7ef; border-block: 1px solid #e0ede2; }
    .section.white { background: #fff; }
    .section-head { max-width: 720px; margin-bottom: 32px; }
    .section-head.center { margin-inline: auto; text-align: center; }
    .section-head h2 { margin: 9px 0 10px; font-size: 34px; line-height: 1.2; letter-spacing: 0; }
    .section-head p { margin-bottom: 0; color: var(--muted); }
    .intro-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: start; }
    .intro-lead { padding-left: 20px; border-left: 3px solid #9cc34c; color: #355a48; font-size: 20px; line-height: 1.6; }
    .intro-copy { color: var(--muted); }
    .metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 34px; border-block: 1px solid var(--line); }
    .metric { padding: 21px 18px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: var(--green-dark); font-size: 20px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
    .service-item { padding: 20px; border: 1px solid var(--line); border-radius: 6px; background: #fff; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
    .service-item:hover { transform: translateY(-4px); border-color: #a9ceaf; box-shadow: var(--shadow); }
    .service-item h3 { margin: 0 0 8px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-tag { display: inline-block; margin-bottom: 12px; color: #48734f; font-size: 11px; font-weight: 800; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: steps; }
    .workflow-step { position: relative; padding: 22px 18px 18px; border-top: 2px solid #a3c94e; background: #fff; }
    .workflow-step::before { counter-increment: steps; content: "0" counter(steps); display: block; margin-bottom: 18px; color: #719535; font-size: 13px; font-weight: 800; }
    .workflow-step h3 { margin-bottom: 7px; font-size: 17px; }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; align-items: start; }
    .industry-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
    .industry-list div { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .industry-list strong { display: block; font-size: 15px; }
    .industry-list span { color: var(--muted); font-size: 13px; }
    .network-panel { padding: 26px; border-left: 3px solid #a3c94e; background: #e4f2e5; }
    .network-panel h3 { margin-bottom: 10px; font-size: 20px; }
    .network-panel p { color: #4b6956; font-size: 14px; }
    .network-panel p:last-child { margin-bottom: 0; }
    .compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
    .compare-table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    .compare-table th, .compare-table td { padding: 15px 18px; border-bottom: 1px solid #e5eee6; vertical-align: top; }
    .compare-table thead th { background: #e6f3e7; color: #214b35; font-size: 14px; }
    .compare-table tbody th { width: 24%; color: #385a47; font-size: 14px; }
    .compare-table td { color: var(--muted); font-size: 14px; }
    .compare-table tr:last-child th, .compare-table tr:last-child td { border-bottom: 0; }
    .rating-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; padding: 20px 24px; background: #dff0df; }
    .rating-band strong { font-size: 19px; }
    .rating-number { color: var(--green-dark); font-size: 25px; font-weight: 800; }
    .stars { color: #b77c19; letter-spacing: 0; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
    .case-card .image-box { padding: 12px; background: #edf5ed; }
    .case-card img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; }
    .case-text { padding: 16px 18px 19px; }
    .case-text h3 { margin-bottom: 6px; font-size: 17px; }
    .case-text p { margin: 0; color: var(--muted); font-size: 14px; }
    .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote { padding: 20px; border-top: 2px solid #a8c950; background: #fff; }
    .quote p { margin-bottom: 16px; color: #3b5949; font-size: 14px; }
    .quote cite { color: var(--muted); font-size: 12px; font-style: normal; font-weight: 700; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 108px; display: flex; flex-direction: column; justify-content: space-between; padding: 15px; border: 1px solid var(--line); background: #fff; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-3px); border-color: #94bf9d; }
    .article-link span { color: var(--green); font-size: 11px; font-weight: 800; }
    .article-link strong { font-size: 14px; }
    .article-link small { color: var(--muted); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .tag-cloud span { padding: 7px 11px; border: 1px solid #d5e7d8; background: #fff; color: #395e49; font-size: 13px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 15px 30px 15px 0; cursor: pointer; list-style: none; font-weight: 700; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; top: 14px; right: 2px; color: var(--green); content: "+"; font-size: 21px; line-height: 1; transition: transform .2s ease; }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-item p { margin: 0; padding: 0 18px 15px 0; color: var(--muted); font-size: 14px; }
    .contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .contact-info { display: grid; gap: 16px; }
    .contact-info h3 { margin: 0 0 2px; font-size: 20px; }
    .contact-info p { margin: 0; color: var(--muted); font-size: 14px; }
    .contact-method { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .contact-method strong { display: block; margin-bottom: 3px; font-size: 14px; }
    .contact-method a { color: var(--green-dark); }
    .qr { width: 128px; padding: 6px; border: 1px solid var(--line); background: #fff; }
    .qr img { display: block; width: 100%; }
    .form-panel { padding: 24px; border: 1px solid var(--line); background: #fff; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #385a47; font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid #d3e2d6; border-radius: 4px; background: #fbfdfb; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #6ca779; box-shadow: 0 0 0 3px rgba(108,167,121,.14); }
    .field textarea { min-height: 110px; resize: vertical; }
    .form-submit { margin-top: 16px; }
    .affiliate { padding: 25px 0; border-top: 1px solid var(--line); }
    .affiliate h2 { margin: 0 0 13px; font-size: 17px; }
    .friend-links { display: flex; flex-wrap: wrap; gap: 9px 20px; color: #41624f; font-size: 13px; }
    .friend-links a:hover { color: var(--green); text-decoration: underline; }
    .site-footer { background: #e9f3ea; color: #244a35; border-top: 1px solid #d2e4d5; }
    .footer-main { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; }
    .footer-main p { margin: 0; color: #506c59; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 12px 18px; font-size: 13px; }
    .footer-links a:hover { text-decoration: underline; }
    .copyright { padding: 12px 0 18px; border-top: 1px solid #d2e4d5; color: #536e5c; font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a { display: inline-flex; justify-content: center; padding: 10px 13px; border: 1px solid #cfe3d2; border-radius: 5px; background: #fff; color: var(--green-dark); box-shadow: 0 5px 18px rgba(34,85,57,.12); font-size: 13px; font-weight: 700; transition: transform .2s ease; }
    .float-contact a:hover { transform: translateY(-2px); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @keyframes rise { 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: 1050px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 6px; font-size: 12px; }
      .nav-cta { display: none; }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 800px) {
      .nav-row { min-height: 66px; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-links { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; align-items: stretch; padding: 8px 20px 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 10px 8px; font-size: 14px; }
      .nav-cta { display: inline-flex; }
      .hero { padding: 58px 0 40px; }
      .hero-inner, .intro-layout, .industry-layout, .contact-layout { grid-template-columns: 1fr; gap: 30px; }
      .hero-inner { gap: 28px; }
      .hero-board { max-width: 520px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .workflow { grid-template-columns: repeat(2, 1fr); }
      .case-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
      .metric-row { grid-template-columns: repeat(2, 1fr); }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .section { padding: 60px 0; }
      .section-head h2 { font-size: 29px; }
    }
    @media (max-width: 540px) {
      .container { width: min(var(--container), calc(100% - 28px)); }
      .brand-name { font-size: 16px; }
      .brand img { width: 36px; }
      .nav-cta { padding: 9px 11px; font-size: 12px; }
      .hero { padding-top: 44px; }
      h1 { font-size: 39px; }
      .hero-copy { font-size: 16px; }
      .hero-actions .button { flex: 1 1 100%; }
      .hero-board { padding: 17px; }
      .service-grid, .workflow, .case-grid, .testimonial-grid, .faq-list, .industry-list { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: repeat(2, 1fr); }
      .section { padding: 48px 0; }
      .section-head h2 { font-size: 26px; }
      .metric { padding: 17px 12px; }
      .metric strong { font-size: 18px; }
      .form-panel { padding: 17px; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-main { align-items: flex-start; flex-direction: column; }
      .float-contact { right: 10px; bottom: 10px; }
      .float-contact a { padding: 9px 10px; font-size: 12px; }
    }