:root {
      color-scheme: light;
      --ink: #172c28;
      --muted: #586c66;
      --green: #087d62;
      --green-dark: #075f4d;
      --mint: #dff4e8;
      --lime: #d7f269;
      --paper: #f7faf8;
      --line: #dce8e1;
      --white: #fff;
      --coral: #f17e58;
      --shadow: 0 14px 38px rgba(28, 74, 58, .09);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 82px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    a { color: inherit; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(247, 250, 248, .96);
      border-bottom: 1px solid rgba(220, 232, 225, .9);
      backdrop-filter: blur(14px);
    }
    .nav-row { min-height: 74px; display: flex; 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 { width: 38px; }
    .brand span { font-size: 17px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 9px 10px; color: #40564f; text-decoration: none; font-size: 13px; 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;
      min-height: 46px;
      padding: 0 19px;
      border: 1px solid var(--green);
      border-radius: 5px;
      background: var(--green);
      color: var(--white);
      text-decoration: none;
      font-weight: 700;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-cta { min-height: 39px; padding-inline: 15px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--green-dark); box-shadow: 0 8px 18px rgba(8, 125, 98, .18); }
    .button.secondary { background: transparent; color: var(--green-dark); }
    .button.secondary:hover { background: var(--mint); box-shadow: none; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); color: var(--ink); cursor: pointer; }
    .hero {
      overflow: hidden;
      position: relative;
      padding: 78px 0 56px;
      background: linear-gradient(125deg, #e9f7ef 0%, #f7faf8 52%, #fff5e8 100%);
      border-bottom: 1px solid var(--line);
    }
    .hero::before {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      right: -135px;
      top: -190px;
      border: 1px solid rgba(8, 125, 98, .18);
      border-radius: 50%;
      box-shadow: 0 0 0 36px rgba(8, 125, 98, .035), 0 0 0 74px rgba(8, 125, 98, .025);
      pointer-events: none;
    }
    .hero-inner { position: relative; max-width: 820px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--coral); }
    h1 { max-width: 760px; margin: 17px 0 18px; font-size: clamp(38px, 5vw, 60px); line-height: 1.14; letter-spacing: 0; }
    .hero-copy { max-width: 690px; margin: 0; color: #435d54; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-note { margin: 17px 0 0; color: var(--muted); font-size: 13px; }
    .hero-note strong { color: var(--green-dark); }
    .hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 54px; border-top: 1px solid rgba(8, 125, 98, .2); }
    .stat { padding: 20px 18px 0 0; }
    .stat + .stat { padding-left: 20px; border-left: 1px solid rgba(8, 125, 98, .16); }
    .stat strong { display: block; font-size: 20px; line-height: 1.35; }
    .stat span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section.tint { background: #eff7f1; border-block: 1px solid #e4eee7; }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-heading > div { max-width: 720px; }
    .section-kicker { margin: 0 0 7px; color: var(--green); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; font-size: clamp(27px, 3vw, 37px); line-height: 1.25; letter-spacing: 0; }
    .section-intro { margin: 10px 0 0; color: var(--muted); }
    .text-link { color: var(--green-dark); font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 4px; }
    .platform-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: start; }
    .platform-copy p { margin: 0 0 16px; color: #465d55; }
    .platform-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 22px; margin: 20px 0 0; padding: 0; list-style: none; }
    .platform-points li { position: relative; padding: 12px 0 12px 21px; border-bottom: 1px solid var(--line); font-size: 14px; }
    .platform-points li::before { content: ""; position: absolute; left: 1px; top: 21px; width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }
    .model-panel { padding: 25px; background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--green); box-shadow: var(--shadow); }
    .model-panel h3 { margin: 0 0 14px; font-size: 17px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud span { padding: 5px 10px; background: #edf5ef; border: 1px solid #dcebe0; color: #35574a; font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .service-item { position: relative; padding: 21px 21px 20px; background: var(--white); border: 1px solid var(--line); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
    .service-item:hover { transform: translateY(-4px); border-color: #9ccdb2; box-shadow: var(--shadow); }
    .service-item h3 { margin: 0 0 8px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-label { display: inline-block; margin-bottom: 10px; color: var(--green); font-size: 11px; font-weight: 800; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-block: 1px solid var(--line); }
    .step { padding: 23px 22px 24px 0; }
    .step + .step { padding-left: 22px; border-left: 1px solid var(--line); }
    .step-number { display: block; margin-bottom: 14px; color: var(--coral); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 0 0 7px; font-size: 16px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .industry { padding: 16px 17px; border-left: 3px solid var(--green); background: rgba(255,255,255,.72); }
    .industry strong { display: block; margin-bottom: 4px; font-size: 14px; }
    .industry span { color: var(--muted); font-size: 12px; }
    .asset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .asset { overflow: hidden; border: 1px solid var(--line); background: var(--white); }
    .asset img { display: block; width: 100%; height: auto; }
    .asset figcaption { padding: 12px 15px; color: var(--muted); font-size: 13px; }
    .asset-square { max-width: 320px; }
    .rating-row { display: grid; grid-template-columns: .78fr 1.22fr; gap: 30px; align-items: center; margin-bottom: 22px; }
    .rating { padding: 23px 26px; background: var(--green-dark); color: var(--white); }
    .rating strong { display: block; font-size: 36px; line-height: 1.2; }
    .rating .stars { margin-top: 5px; color: var(--lime); font-size: 19px; letter-spacing: 2px; }
    .rating p { margin: 5px 0 0; color: #e1f1e8; font-size: 13px; }
    .rating-copy { color: var(--muted); }
    .rating-copy strong { color: var(--ink); }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
    table { width: 100%; border-collapse: collapse; min-width: 700px; text-align: left; }
    th, td { padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 13px; }
    th { background: #edf5ef; color: var(--ink); font-weight: 800; }
    td:first-child { width: 21%; font-weight: 700; }
    tbody tr:last-child td { border-bottom: 0; }
    .good { color: var(--green-dark); font-weight: 700; }
    .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 20px; background: var(--white); border: 1px solid var(--line); }
    .review blockquote { margin: 0 0 17px; color: #43584f; font-size: 14px; }
    .review cite { color: var(--ink); font-style: normal; font-size: 12px; font-weight: 800; }
    .review cite span { display: block; color: var(--muted); font-weight: 400; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; top: 14px; color: var(--green); font-size: 22px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 850px; margin: -3px 0 18px; color: var(--muted); font-size: 14px; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 15px; background: var(--white); border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: 13px; font-weight: 700; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-2px); border-color: var(--green); }
    .article-link span:last-child { color: var(--green); font-size: 18px; }
    .contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: start; }
    .contact-info p { color: var(--muted); }
    .contact-list { display: grid; gap: 8px; margin: 20px 0; }
    .contact-list div { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .contact-list strong { display: inline-block; min-width: 95px; }
    .contact-list a { color: var(--green-dark); text-decoration: none; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 23px; background: var(--white); border: 1px solid var(--line); }
    .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%; min-height: 44px; padding: 10px 11px; border: 1px solid #cadbd0; border-radius: 3px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(8,125,98,.2); border-color: var(--green); }
    .contact-form .button { grid-column: 1 / -1; width: fit-content; cursor: pointer; }
    .footer { padding: 28px 0; background: #e8f1eb; color: #29483d; border-top: 1px solid var(--line); }
    .footer-top { display: flex; justify-content: space-between; align-items: start; gap: 24px; }
    .footer p { margin: 0; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: flex-end; }
    .footer-links a { color: #315849; font-size: 12px; text-decoration: none; }
    .copyright { margin-top: 18px !important; padding-top: 15px; border-top: 1px solid #d1e0d6; color: #587065; font-size: 12px !important; }
    .floating-contact { position: fixed; right: 18px; bottom: 20px; z-index: 12; display: flex; flex-direction: column; gap: 8px; }
    .floating-contact a { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid #c6dfcf; border-radius: 50%; background: var(--white); color: var(--green-dark); text-decoration: none; font-size: 12px; font-weight: 800; box-shadow: 0 5px 18px rgba(28,74,58,.12); }
    .floating-contact a:hover { background: var(--green); color: var(--white); }
    .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 { gap: 12px; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding-inline: 11px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 66px; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-cta { display: none; }
      .nav-links { display: none; position: absolute; left: 0; right: 0; top: 65px; padding: 10px 16px 15px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 12px 20px rgba(28,74,58,.08); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 10px 12px; font-size: 14px; }
      .hero { padding: 60px 0 38px; }
      .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 38px; }
      .stat, .stat + .stat { padding: 14px 10px 12px 0; border-left: 0; }
      .stat:nth-child(even) { padding-left: 15px; border-left: 1px solid rgba(8,125,98,.16); }
      .section { padding: 58px 0; }
      .section-heading { align-items: start; flex-direction: column; gap: 12px; }
      .platform-layout, .contact-layout { grid-template-columns: 1fr; gap: 24px; }
      .workflow { grid-template-columns: repeat(2, 1fr); }
      .step { padding: 18px 15px 18px 0; }
      .step + .step { padding-left: 15px; }
      .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); }
      .rating-row { grid-template-columns: 1fr; gap: 14px; }
      .reviews { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(2, 1fr); }
      .footer-top { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
    }
    @media (max-width: 480px) {
      .brand span { font-size: 15px; }
      .brand img { width: 33px; }
      .hero-copy { font-size: 15px; }
      .hero-actions { display: grid; grid-template-columns: 1fr; }
      .hero-actions .button { width: 100%; }
      .service-grid, .industry-grid, .reviews, .asset-grid, .article-list { grid-template-columns: 1fr; }
      .platform-points { grid-template-columns: 1fr; }
      .asset-square { max-width: none; }
      .contact-form { grid-template-columns: 1fr; padding: 17px; }
      .field.full, .contact-form .button { grid-column: auto; }
      .floating-contact { right: 12px; bottom: 14px; }
      .floating-contact a { width: 44px; height: 44px; }
    }