:root {
      color-scheme: light;
      --ink: #152820;
      --muted: #53645c;
      --paper: #f7faf8;
      --white: #fff;
      --line: #dce7df;
      --green: #087f5b;
      --green-dark: #075b43;
      --lime: #d9fa65;
      --coral: #ff765f;
      --soft-green: #e9f5ed;
      --shadow: 0 16px 42px rgba(18, 56, 39, .09);
      --wrap: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    img { display: block; max-width: 100%; height: auto; }
    .container { width: min(var(--wrap), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(220,231,223,.9); background: rgba(247,250,248,.94); backdrop-filter: blur(14px); }
    .header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .ai-page-logo { width: 36px; max-height: 38px; object-fit: contain; }
    .nav { display: flex; align-items: center; justify-content: flex-end; min-width: 0; }
    .nav-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 8px 9px; color: #40554a; font-size: 12px; white-space: nowrap; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--green); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid var(--green); border-radius: 5px; background: var(--green); color: #fff; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .nav-cta { padding: 10px 15px; flex: 0 0 auto; font-size: 13px; }
    .button { min-height: 48px; padding: 0 21px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--green-dark); box-shadow: 0 10px 22px rgba(8,127,91,.18); }
    .button.secondary { border-color: #b8d8c4; background: #fff; color: var(--green-dark); }
    .button.secondary:hover { background: var(--soft-green); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 5px; padding: 9px 12px; cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 57px; background: linear-gradient(130deg, #e8f7ef 0%, #f7faf8 58%, #f0f8da 100%); border-bottom: 1px solid var(--line); }
    .hero::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, var(--green), #a5d834, var(--coral)); }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(290px, .9fr); align-items: center; gap: 52px; position: relative; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 17px; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: .04em; }
    .eyebrow::before { content: ""; width: 22px; height: 3px; background: var(--coral); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 680px; margin-bottom: 18px; font-size: clamp(38px, 5vw, 62px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 600px; margin-bottom: 27px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 17px 0 0; color: #607268; font-size: 12px; }
    .hero-panel { position: relative; padding: 24px; border: 1px solid #cfe1d5; border-radius: 7px; background: rgba(255,255,255,.78); box-shadow: var(--shadow); animation: rise-in .7s both; }
    .hero-panel-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 17px; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 800; }
    .live-mark { display: inline-flex; align-items: center; gap: 7px; color: var(--green); font-size: 11px; font-weight: 750; }
    .live-mark::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #65bd50; box-shadow: 0 0 0 4px #e7f5df; }
    .title-example { padding: 20px 0 15px; }
    .title-example span { color: var(--green); font-size: 11px; font-weight: 800; }
    .title-example strong { display: block; margin-top: 7px; font-size: 22px; line-height: 1.4; }
    .title-tags { display: flex; flex-wrap: wrap; gap: 7px; padding-top: 16px; border-top: 1px solid var(--line); }
    .title-tags span { padding: 5px 9px; border-radius: 3px; background: #edf5ef; color: #395547; font-size: 11px; }
    .metrics { position: relative; margin-top: -1px; padding: 22px 0; background: #fff; border-bottom: 1px solid var(--line); }
    .metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .metric { padding: 8px 17px; border-left: 2px solid #a9d851; }
    .metric strong { display: block; font-size: 20px; line-height: 1.3; }
    .metric span { color: var(--muted); font-size: 12px; }
    main { overflow: hidden; }
    .section { padding: 74px 0; }
    .section.alt { background: #eff6f1; border-block: 1px solid #e0ebe3; }
    .section-head { max-width: 720px; margin-bottom: 32px; }
    .section-kicker { margin-bottom: 8px; color: var(--green); font-size: 12px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
    h2 { margin-bottom: 10px; font-size: clamp(27px, 3.5vw, 38px); line-height: 1.22; letter-spacing: 0; }
    .section-head > p:last-child { margin-bottom: 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 45px; align-items: start; }
    .intro-copy { color: var(--muted); }
    .intro-copy strong { color: var(--ink); }
    .capability-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; margin: 0; padding: 0; list-style: none; }
    .capability-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .capability-list b { display: block; margin-bottom: 3px; font-size: 14px; }
    .capability-list span { color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .service-item { padding: 19px; border: 1px solid var(--line); border-radius: 5px; background: #fff; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
    .service-item:hover, .review:hover { transform: translateY(-3px); border-color: #a8d4b7; box-shadow: 0 12px 26px rgba(18,56,39,.08); }
    .service-item h3 { margin: 0 0 7px; font-size: 16px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .service-label { display: inline-block; margin-bottom: 11px; color: var(--green); font-size: 10px; font-weight: 850; letter-spacing: .05em; }
    .product-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 25px; }
    .product-list article { padding: 17px 0; border-bottom: 1px solid var(--line); }
    .product-list h3 { margin-bottom: 4px; font-size: 15px; }
    .product-list p { margin: 0; color: var(--muted); font-size: 12px; }
    .model-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
    .model-strip span { padding: 6px 10px; border: 1px solid #cfe0d4; border-radius: 3px; background: #fff; color: #355144; font-size: 11px; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
    .step { position: relative; padding: 20px 16px 16px 0; border-top: 2px solid #a9d851; counter-increment: step; }
    .step::before { content: "0" counter(step); display: block; margin-bottom: 15px; color: var(--green); font-size: 12px; font-weight: 850; }
    .step h3 { margin-bottom: 6px; font-size: 16px; }
    .step p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
    .industry-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 38px; align-items: start; }
    .industry-band > p { margin: 0; color: var(--muted); }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .tag-cloud span { padding: 9px 12px; border-left: 3px solid #9dcf3a; background: #fff; color: #2c4739; font-size: 12px; }
    .network-line { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
    .network-line div { padding: 18px 17px; border-right: 1px solid var(--line); }
    .network-line div:last-child { border: 0; }
    .network-line b { display: block; margin-bottom: 4px; font-size: 14px; }
    .network-line span { color: var(--muted); font-size: 12px; }
    .case-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 15px; }
    .case-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: center; padding: 19px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
    .case-feature img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 3px; }
    .case-feature h3 { margin-bottom: 7px; font-size: 18px; }
    .case-feature p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
    .case-stack { display: grid; gap: 15px; }
    .case-mini { padding: 18px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
    .case-mini img { width: 100%; aspect-ratio: 16 / 8; margin-bottom: 13px; object-fit: cover; border-radius: 3px; }
    .case-mini h3 { margin-bottom: 5px; font-size: 16px; }
    .case-mini p { margin: 0; color: var(--muted); font-size: 12px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .review { padding: 20px; border: 1px solid var(--line); border-radius: 5px; background: #fff; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
    .review blockquote { margin: 0 0 15px; color: #394c41; font-size: 13px; }
    .review figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 11px; }
    .review figcaption strong { color: var(--ink); font-size: 12px; }
    .rating-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 35px; align-items: start; }
    .score-panel { padding: 23px; border: 1px solid #c7dfcf; border-radius: 5px; background: #e7f3ea; }
    .score-panel span { display: block; color: #416050; font-size: 12px; font-weight: 750; }
    .score-panel strong { display: block; margin: 4px 0 6px; color: var(--green-dark); font-size: 56px; line-height: 1.15; }
    .stars { color: #df8531; font-size: 20px; letter-spacing: 0; }
    .score-panel p { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
    table { width: 100%; border-collapse: collapse; text-align: left; font-size: 12px; }
    th, td { padding: 12px 14px; border-bottom: 1px solid #e7eee9; vertical-align: top; }
    th { background: #edf5ef; color: #294a39; font-size: 11px; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { font-weight: 750; white-space: nowrap; }
    .positive { color: var(--green-dark); font-weight: 750; }
    .token-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
    .token-note { padding-left: 20px; border-left: 3px solid var(--coral); color: var(--muted); font-size: 13px; }
    .token-note strong { color: var(--ink); }
    .token-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .token-point { padding: 16px; border: 1px solid var(--line); background: #fff; }
    .token-point b { display: block; margin-bottom: 4px; font-size: 14px; }
    .token-point span { color: var(--muted); font-size: 12px; }
    .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 28px 17px 0; list-style: none; cursor: pointer; font-size: 14px; font-weight: 750; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 3px; top: 12px; color: var(--green); font-size: 22px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { margin: -3px 24px 16px 0; color: var(--muted); font-size: 13px; }
    .article-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0 18px; }
    .article-links a { padding: 13px 0; border-bottom: 1px solid var(--line); color: #355144; font-size: 13px; }
    .article-links a:hover { color: var(--green); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; }
    .contact-copy p { color: var(--muted); }
    .contact-details { display: grid; gap: 11px; margin-top: 20px; }
    .contact-details a, .contact-details span { color: #2c4a3a; font-size: 13px; }
    .contact-details b { display: inline-block; min-width: 88px; color: #687970; font-weight: 600; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; padding: 22px; border: 1px solid var(--line); border-radius: 5px; background: #fff; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #40554a; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; border: 1px solid #cfddd3; border-radius: 3px; padding: 11px 12px; background: #fbfdfb; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(8,127,91,.1); }
    .field textarea { min-height: 112px; resize: vertical; }
    .contact-form .button { grid-column: 1 / -1; justify-self: start; cursor: pointer; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 24px 0 0; border-top: 1px solid var(--line); }
    .join-band h3 { margin: 0 0 4px; font-size: 17px; }
    .join-band p { margin: 0; color: var(--muted); font-size: 12px; }
    .links-row { display: flex; flex-wrap: wrap; gap: 8px 18px; }
    .links-row a { color: #375546; font-size: 12px; text-decoration: underline; text-decoration-color: #b5c9bb; text-underline-offset: 3px; }
    .site-footer { padding: 24px 0; border-top: 1px solid var(--line); background: #eaf2ec; color: #30483a; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .footer-inner p { margin: 0; font-size: 11px; }
    .footer-nav { display: flex; flex-wrap: wrap; gap: 4px 15px; }
    .footer-nav a { color: #30483a; font-size: 11px; }
    .floating-contact { position: fixed; right: 18px; bottom: 18px; z-index: 15; }
    .floating-contact a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 15px; border: 1px solid var(--green-dark); border-radius: 4px; background: var(--green-dark); color: #fff; font-size: 12px; font-weight: 750; box-shadow: 0 8px 24px rgba(7,91,67,.2); }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes rise-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
    @media (max-width: 1020px) {
      .nav-links a { padding-inline: 6px; font-size: 11px; }
      .nav-cta { padding-inline: 11px; }
      .service-grid { grid-template-columns: repeat(3, 1fr); }
      .article-links { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--wrap), calc(100% - 32px)); }
      .header-inner { min-height: 64px; gap: 12px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 8px; }
      .nav { position: absolute; display: none; top: 63px; left: 0; right: 0; padding: 12px 16px 17px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 20px rgba(18,56,39,.08); }
      .nav.is-open { display: block; }
      .nav-links { justify-content: flex-start; }
      .nav-links a { padding: 8px 10px; font-size: 12px; }
      .nav-cta { margin-left: auto; }
      .hero { padding: 53px 0 40px; }
      .hero-grid { grid-template-columns: 1fr; gap: 29px; }
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
      .section { padding: 56px 0; }
      .intro-grid, .industry-band, .rating-layout, .token-layout, .contact-grid { grid-template-columns: 1fr; gap: 25px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .product-list { grid-template-columns: repeat(2, 1fr); }
      .steps { grid-template-columns: repeat(2, 1fr); gap: 8px 19px; }
      .network-line { grid-template-columns: repeat(2, 1fr); }
      .network-line div:nth-child(2) { border-right: 0; }
      .network-line div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .case-grid { grid-template-columns: 1fr; }
      .case-stack { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .faq-grid { grid-template-columns: 1fr; }
      .article-links { grid-template-columns: repeat(2, 1fr); }
      .footer-inner { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 480px) {
      .brand { gap: 7px; font-size: 14px; }
      .ai-page-logo { width: 30px; }
      .nav-cta { padding: 9px 10px; font-size: 11px; }
      .hero-actions .button { width: 100%; }
      h1 { font-size: 36px; }
      .hero-panel { padding: 18px; }
      .service-grid, .product-list, .review-grid { grid-template-columns: 1fr; }
      .case-feature { grid-template-columns: 1fr; }
      .case-stack { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr 1fr; }
      .contact-form { grid-template-columns: 1fr; padding: 16px; }
      .field.full, .contact-form .button { grid-column: 1; }
      .join-band { align-items: flex-start; flex-direction: column; }
      .floating-contact { right: 12px; bottom: 12px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }