:root {
      color-scheme: light;
      --ink: #172420;
      --muted: #58675f;
      --paper: #f5f7f4;
      --white: #fff;
      --line: #dce5df;
      --green: #c9ff4a;
      --lime: #a8e82e;
      --teal: #087f68;
      --blue: #3169d5;
      --pink: #f3a7c8;
      --orange: #ffd16a;
      --container: 1160px;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.65; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a, summary { -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(245,247,244,.94); border-bottom: 1px solid rgba(23,36,32,.1); backdrop-filter: blur(12px); }
    .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 { width: 42px; max-height: 42px; object-fit: contain; }
    .brand span { font-size: 17px; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { color: #405149; font-size: 13px; padding: 9px 10px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--teal); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: 4px; background: var(--green); color: var(--ink); font-weight: 750; padding: 12px 18px; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
    .nav-cta:hover, .button:hover { transform: translateY(-2px); background: #b7f23e; box-shadow: 0 8px 20px rgba(83,125,23,.16); }
    .menu-toggle { display: none; border: 1px solid var(--line); border-radius: 4px; background: var(--white); color: var(--ink); padding: 8px 12px; cursor: pointer; }
    .hero { position: relative; overflow: hidden; background: #e9f3e7; border-bottom: 1px solid var(--line); }
    .hero::before { content: ""; position: absolute; width: 280px; height: 280px; border: 1px solid rgba(8,127,104,.18); border-radius: 50%; right: 8%; top: 14%; box-shadow: 0 0 0 34px rgba(8,127,104,.045), 0 0 0 72px rgba(8,127,104,.035); pointer-events: none; }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(245px,.65fr); gap: 50px; align-items: center; padding-block: 78px 58px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 750; color: var(--teal); letter-spacing: .08em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--lime); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 700px; margin: 17px 0 18px; font-size: clamp(42px, 6vw, 72px); line-height: 1.08; letter-spacing: 0; }
    h1 em { font-style: normal; text-decoration: underline; text-decoration-color: var(--lime); text-decoration-thickness: 8px; text-underline-offset: 6px; }
    .hero-copy { max-width: 640px; color: #43534b; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button-outline { border: 1px solid #94a89b; background: transparent; }
    .button-outline:hover { background: var(--white); }
    .hero-aside { border-left: 1px solid #b9cbbd; padding: 12px 0 12px 28px; }
    .hero-aside strong { display: block; font-size: 19px; margin-bottom: 8px; }
    .hero-aside p { color: var(--muted); font-size: 14px; margin-bottom: 0; }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
    .hero-tags span { border: 1px solid #b9cbbd; border-radius: 3px; padding: 5px 9px; font-size: 12px; color: #405149; }
    .metrics { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #ccd8cf; border: 1px solid #ccd8cf; margin-bottom: 56px; }
    .metric { background: var(--white); padding: 20px 22px; }
    .metric strong { display: block; font-size: 21px; line-height: 1.25; }
    .metric span { display: block; color: var(--muted); font-size: 12px; margin-top: 5px; }
    .section { padding-block: 76px; border-bottom: 1px solid var(--line); }
    .section-head { max-width: 740px; margin-bottom: 32px; }
    .section-head h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.14; margin: 10px 0 12px; letter-spacing: 0; }
    .section-head p { color: var(--muted); margin-bottom: 0; }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: start; }
    .intro-copy { max-width: 660px; color: #43534b; }
    .capability-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 24px; border-top: 1px solid var(--line); }
    .capability-list div { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .capability-list strong { display: block; font-size: 14px; }
    .capability-list span { color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
    .service { min-height: 174px; padding: 21px; border: 1px solid var(--line); background: var(--white); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
    .service:hover, .quote:hover, .case:hover { transform: translateY(-3px); border-color: #a7c96a; box-shadow: 0 10px 26px rgba(31,54,39,.07); }
    .service-index { display: block; color: var(--teal); font: 700 12px/1.2 ui-monospace, monospace; margin-bottom: 18px; }
    .service h3 { font-size: 17px; margin-bottom: 7px; }
    .service p { color: var(--muted); font-size: 13px; margin-bottom: 0; }
    .tool-ribbon { margin-top: 20px; padding: 19px 22px; background: #e6efeb; border-left: 4px solid var(--teal); }
    .tool-ribbon strong { display: block; margin-bottom: 8px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
    .tag-cloud span { padding: 5px 9px; background: var(--white); border: 1px solid #cbd9d0; color: #405149; font-size: 12px; }
    .workflow { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 0; border-top: 1px solid #aebeb3; }
    .step { padding: 22px 22px 4px 0; margin-right: 20px; border-right: 1px solid var(--line); }
    .step:last-child { border-right: 0; margin-right: 0; }
    .step span { display: inline-block; margin-bottom: 15px; color: var(--teal); font: 700 13px ui-monospace, monospace; }
    .step h3 { font-size: 16px; margin-bottom: 7px; }
    .step p { color: var(--muted); font-size: 13px; margin-bottom: 0; }
    .band { background: #e8eee8; }
    .solutions { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .solution-block { padding: 23px 0; border-top: 2px solid var(--teal); }
    .solution-block h3 { font-size: 20px; margin-bottom: 8px; }
    .solution-block p { color: var(--muted); margin-bottom: 14px; }
    .solution-block ul { margin: 0; padding-left: 18px; color: #405149; font-size: 14px; }
    .service-network { display: grid; grid-template-columns: 1.2fr .8fr; gap: 42px; align-items: start; }
    .network-copy { color: var(--muted); }
    .network-items { border-top: 1px solid #bbc9bf; }
    .network-items div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid #bbc9bf; font-size: 14px; }
    .network-items span { color: var(--muted); text-align: right; }
    .case-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
    .case { border: 1px solid var(--line); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; overflow: hidden; }
    .case-media { aspect-ratio: 16/10; overflow: hidden; background: #e5ece7; }
    .case-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
    .case:hover .case-media img { transform: scale(1.025); }
    .case-copy { padding: 16px 18px 18px; }
    .case-copy h3 { font-size: 16px; margin-bottom: 6px; }
    .case-copy p { color: var(--muted); font-size: 13px; margin-bottom: 0; }
    .score-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 34px; padding: 26px; background: #172d28; color: #f5f7f4; }
    .score-main { padding: 5px 22px 5px 4px; border-right: 1px solid #45615a; }
    .stars { color: var(--green); letter-spacing: 2px; font-size: 22px; }
    .score-number { display: block; color: var(--green); font-size: 55px; font-weight: 800; line-height: 1; margin: 14px 0 9px; }
    .score-main p { color: #c1d0c8; font-size: 13px; margin-bottom: 0; }
    .comparison-wrap { overflow-x: auto; }
    .comparison { border-collapse: collapse; width: 100%; min-width: 650px; font-size: 13px; }
    .comparison th, .comparison td { text-align: left; padding: 11px 12px; border-bottom: 1px solid #45615a; }
    .comparison th { color: var(--green); font-size: 12px; }
    .comparison td { color: #e0e9e4; }
    .comparison td:first-child { color: #fff; font-weight: 650; }
    .quotes { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; }
    .quote { display: flex; flex-direction: column; padding: 20px; border: 1px solid var(--line); background: var(--white); transition: transform .2s ease, box-shadow .2s ease; }
    .quote blockquote { padding: 0; margin: 0 0 18px; color: #3f5047; font-size: 14px; }
    .quote footer { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
    .quote footer strong { display: block; color: var(--ink); font-size: 13px; }
    .price-note { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 22px 24px; border: 1px solid #cdd9d0; background: #fff; }
    .price-note h3 { font-size: 18px; margin-bottom: 6px; }
    .price-note p { color: var(--muted); font-size: 13px; margin: 0; }
    .price-note .button { white-space: nowrap; }
    .resource-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; }
    .resource-list { border-top: 1px solid var(--line); }
    .resource-list a { display: flex; justify-content: space-between; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); color: #34463d; font-size: 14px; }
    .resource-list a:hover { color: var(--teal); }
    .resource-list a span:last-child { color: var(--muted); white-space: nowrap; }
    .faq-list { border-top: 1px solid #aebeb3; }
    .faq-list details { border-bottom: 1px solid #aebeb3; }
    .faq-list summary { position: relative; list-style: none; cursor: pointer; padding: 17px 35px 17px 0; font-weight: 700; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 3px; top: 14px; color: var(--teal); font-size: 22px; font-weight: 400; transition: transform .2s ease; }
    .faq-list details[open] summary::after { transform: rotate(45deg); }
    .faq-list details p { max-width: 850px; color: var(--muted); font-size: 14px; padding: 0 28px 16px 0; margin: 0; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 42px; align-items: start; }
    .contact-info { color: var(--muted); }
    .contact-info p { margin-bottom: 11px; }
    .contact-info a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
    .qr-image { width: 136px; border: 1px solid var(--line); background: white; padding: 7px; margin-top: 12px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1/-1; }
    .field label { font-size: 12px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #cbd7ce; border-radius: 3px; background: #fff; color: var(--ink); padding: 11px 12px; outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(8,127,104,.1); }
    .field textarea { resize: vertical; min-height: 112px; }
    .form-submit { margin-top: 14px; }
    .partners { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 24px; }
    .partners a { color: #42554b; font-size: 12px; text-decoration: underline; text-decoration-color: #9fb0a5; text-underline-offset: 3px; }
    .site-footer { padding: 25px 0; background: #e6ece7; color: #304139; }
    .footer-row { display: flex; justify-content: space-between; align-items: center; gap: 18px; font-size: 12px; }
    .footer-row p { margin: 0; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 15px; }
    .footer-links a { color: #304139; text-decoration: underline; text-underline-offset: 3px; }
    .float-tools { position: fixed; z-index: 12; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-tools a, .float-tools button { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid #bfd0c4; border-radius: 50%; background: #fff; color: var(--ink); box-shadow: 0 5px 18px rgba(23,36,32,.12); font-size: 12px; cursor: pointer; }
    .float-tools a:hover, .float-tools button:hover { background: var(--green); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: none; }
    @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: 900px) {
      .nav-row { min-height: 68px; }
      .menu-toggle { display: inline-flex; }
      .nav-cta { margin-left: auto; }
      .nav-links { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 12px 20px 18px; background: var(--paper); border-bottom: 1px solid var(--line); align-items: stretch; flex-direction: column; }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 10px 0; border-bottom: 1px solid var(--line); }
      .hero-inner { gap: 28px; }
      .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .case-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .quotes { grid-template-columns: repeat(2,minmax(0,1fr)); }
    }
    @media (max-width: 650px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .brand img { width: 36px; max-height: 36px; }
      .brand span { font-size: 15px; }
      .nav-cta { padding: 9px 11px; font-size: 12px; }
      .menu-toggle { padding: 7px 9px; font-size: 13px; }
      .hero-inner { grid-template-columns: 1fr; padding-block: 56px 34px; }
      .hero::before { width: 180px; height: 180px; right: -42px; top: 9%; }
      h1 { font-size: 46px; }
      .hero-copy { font-size: 15px; }
      .hero-aside { max-width: 380px; border-left: 0; border-top: 1px solid #b9cbbd; padding: 18px 0 0; }
      .metrics { grid-template-columns: repeat(2,1fr); margin-bottom: 35px; }
      .metric { padding: 15px; }
      .metric strong { font-size: 18px; }
      .section { padding-block: 54px; }
      .section-head { margin-bottom: 24px; }
      .intro-grid, .solutions, .service-network, .resource-grid, .contact-grid { grid-template-columns: 1fr; gap: 24px; }
      .service-grid, .case-grid, .quotes { grid-template-columns: 1fr; }
      .service { min-height: 0; }
      .workflow { grid-template-columns: 1fr 1fr; row-gap: 17px; }
      .step { padding-right: 12px; margin-right: 12px; }
      .step:nth-child(2) { border-right: 0; margin-right: 0; }
      .score-panel { grid-template-columns: 1fr; gap: 20px; padding: 20px; }
      .score-main { border-right: 0; border-bottom: 1px solid #45615a; padding: 0 0 17px; }
      .score-number { font-size: 46px; }
      .price-note { grid-template-columns: 1fr; }
      .price-note .button { justify-self: start; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-row { align-items: flex-start; flex-direction: column; }
      .float-tools { right: 10px; bottom: 12px; }
      .float-tools a, .float-tools button { width: 42px; height: 42px; }
    }