:root {
      color-scheme: light;
      --ink: #1c2a22;
      --muted: #617067;
      --green: #347b39;
      --green-dark: #225e2d;
      --lime: #b6e45e;
      --paper: #f5f8f1;
      --line: #dce5d7;
      --white: #fff;
      --soft: #eaf2e4;
      --container: 1160px;
      --shadow: 0 16px 46px rgba(38, 76, 41, .09);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background:
        radial-gradient(ellipse at 88% 6%, rgba(182, 228, 94, .18), transparent 31rem),
        linear-gradient(180deg, #f5f8f1 0%, #f8faf5 45%, #f2f7ee 100%);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(248, 250, 245, .94);
      border-bottom: 1px solid rgba(220, 229, 215, .9);
      backdrop-filter: blur(14px);
    }
    .header-inner { 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; letter-spacing: .02em; }
    .brand img { width: 42px; height: 42px; object-fit: contain; }
    .brand span { font-size: 18px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 9px 12px; color: #425248; font-size: 13px; border-radius: 999px; transition: color .2s, background .2s; }
    .nav-links a:hover { color: var(--green-dark); background: var(--soft); }
    .nav-links .nav-cta { margin-left: 7px; padding-inline: 17px; background: var(--green); color: #fff; font-weight: 700; }
    .nav-links .nav-cta:hover { background: var(--green-dark); color: #fff; }
    .menu-toggle { display: none; border: 1px solid var(--line); color: var(--ink); background: #fff; padding: 8px 12px; border-radius: 12px; cursor: pointer; }
    .hero { padding: 82px 0 54px; position: relative; overflow: hidden; }
    .hero::before, .hero::after { content: ""; position: absolute; pointer-events: none; border-radius: 50%; }
    .hero::before { width: 310px; height: 310px; right: -92px; top: 32px; border: 1px solid rgba(52,123,57,.16); box-shadow: 0 0 0 28px rgba(52,123,57,.035), 0 0 0 58px rgba(52,123,57,.025); }
    .hero::after { width: 11px; height: 11px; right: 17%; top: 130px; background: var(--lime); box-shadow: 0 0 0 9px rgba(182,228,94,.2); animation: pulse 3s ease-in-out infinite; }
    .hero-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(250px, .65fr); align-items: center; gap: 54px; position: relative; z-index: 1; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--green); }
    h1 { max-width: 720px; margin: 17px 0 18px; font-size: clamp(42px, 6.2vw, 76px); line-height: 1.08; letter-spacing: -.055em; }
    .hero h1 span { color: var(--green); }
    .hero-copy { max-width: 650px; color: var(--muted); font-size: clamp(16px, 1.8vw, 19px); }
    .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin-top: 29px; }
    .button { display: inline-flex; justify-content: center; align-items: center; gap: 9px; padding: 13px 21px; border: 1px solid transparent; border-radius: 12px; font-weight: 750; transition: transform .2s, box-shadow .2s, background .2s; cursor: pointer; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(38,76,41,.16); }
    .button-primary { background: var(--green); color: #fff; }
    .button-primary:hover { background: var(--green-dark); }
    .button-quiet { border-color: #cad9c5; background: rgba(255,255,255,.7); color: var(--ink); }
    .hero-note { margin: 14px 0 0; color: #738077; font-size: 13px; }
    .hero-side { padding: 27px; border: 1px solid rgba(52,123,57,.18); border-radius: 26px 26px 26px 7px; background: linear-gradient(145deg, #fff, #edf5e8); box-shadow: var(--shadow); }
    .hero-side-label { margin: 0 0 13px; color: var(--muted); font-size: 13px; }
    .hero-side h2 { margin: 0 0 19px; font-size: 22px; line-height: 1.35; }
    .model-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
    .model-tiles span { padding: 11px 12px; border: 1px solid #e1eadc; border-radius: 11px; background: #fff; font-size: 13px; font-weight: 700; }
    .model-tiles span::before { content: "↗"; display: inline-block; margin-right: 7px; color: var(--green); }
    .stats { padding: 0 0 38px; }
    .stats-row { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.75); overflow: hidden; }
    .stat { padding: 20px 23px; }
    .stat + .stat { border-left: 1px solid var(--line); }
    .stat strong { display: block; margin-bottom: 4px; font-size: 17px; }
    .stat span { color: var(--muted); font-size: 13px; }
    .section { padding: 76px 0; }
    .section-heading { max-width: 720px; margin-bottom: 31px; }
    .section-heading h2 { margin: 10px 0 11px; font-size: clamp(29px, 4vw, 43px); line-height: 1.2; letter-spacing: -.035em; }
    .section-heading p { margin: 0; color: var(--muted); }
    .section-kicker { color: var(--green-dark); font-size: 12px; font-weight: 850; letter-spacing: .12em; }
    .about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: stretch; }
    .about-copy { padding: 30px 0; }
    .about-copy p { color: var(--muted); }
    .capability-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 24px; }
    .capability-list div { padding: 13px 15px; border-left: 3px solid var(--lime); background: rgba(255,255,255,.64); color: #34463a; font-weight: 650; }
    .about-panel { padding: 28px; border-radius: 22px; background: #244f31; color: #fff; position: relative; overflow: hidden; }
    .about-panel::after { content: ""; position: absolute; width: 190px; height: 190px; right: -72px; bottom: -88px; border: 1px solid rgba(213,244,160,.36); border-radius: 50%; box-shadow: 0 0 0 22px rgba(213,244,160,.06), 0 0 0 45px rgba(213,244,160,.04); }
    .about-panel h3 { margin: 0 0 15px; font-size: 22px; }
    .about-panel p { max-width: 420px; margin: 0 0 14px; color: #e2eddf; }
    .about-panel .panel-foot { margin-top: 23px; color: #d1e99e; font-size: 13px; font-weight: 700; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .service-card { padding: 22px; border: 1px solid var(--line); border-radius: 16px 16px 16px 5px; background: rgba(255,255,255,.86); transition: transform .22s, box-shadow .22s, border-color .22s; }
    .service-card:hover { transform: translateY(-4px); border-color: #b7d29f; box-shadow: var(--shadow); }
    .service-card .card-index { color: var(--green); font-size: 12px; font-weight: 850; letter-spacing: .12em; }
    .service-card h3 { margin: 9px 0 7px; font-size: 18px; }
    .service-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-card.wide { grid-column: span 2; background: linear-gradient(130deg, #edf5e8, #fff); }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .workflow article { counter-increment: step; padding: 22px 22px 20px; border-top: 2px solid #c9d9c2; position: relative; }
    .workflow article::before { content: "0" counter(step); display: inline-flex; align-items: center; justify-content: center; width: 39px; height: 39px; border-radius: 50%; background: #e5f0dc; color: var(--green-dark); font-weight: 850; }
    .workflow h3 { margin: 13px 0 6px; font-size: 17px; }
    .workflow p { margin: 0; color: var(--muted); font-size: 14px; }
    .industry { background: rgba(233,242,226,.68); border-block: 1px solid #e1eadb; }
    .industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
    .industry-item { min-height: 148px; padding: 20px; border: 1px solid #d7e4d0; border-radius: 14px; background: rgba(255,255,255,.75); }
    .industry-item h3 { margin: 0 0 7px; font-size: 17px; }
    .industry-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .network-row { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; align-items: start; }
    .network-aside { padding: 26px; border-radius: 18px; background: #e8f1e2; }
    .network-aside h3 { margin: 0 0 8px; }
    .network-aside p { margin: 0; color: var(--muted); }
    .network-list { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 22px; padding: 4px 0; }
    .network-list div { padding: 12px 0; border-bottom: 1px solid var(--line); }
    .network-list strong { display: block; margin-bottom: 3px; }
    .network-list span { color: var(--muted); font-size: 14px; }
    .gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .gallery figure { margin: 0; padding: 11px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 8px 28px rgba(38,76,41,.05); }
    .gallery img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 11px; background: #e7eee2; }
    .gallery figcaption { padding: 11px 5px 3px; color: #435448; font-size: 14px; font-weight: 700; }
    .gallery .portrait img { aspect-ratio: 1 / 1; object-fit: contain; background: #f3f6ef; }
    .rating-strip { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 21px; padding: 21px 25px; border-radius: 16px; background: #214e2e; color: #fff; }
    .rating-strip strong { display: block; font-size: 24px; }
    .rating-strip span { color: #e0edda; font-size: 13px; }
    .rating-score { text-align: right; font-size: 28px; font-weight: 850; color: #d7f19a; white-space: nowrap; }
    .rating-score small { display: block; color: #e0edda; font-size: 12px; font-weight: 500; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
    table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    th, td { padding: 14px 17px; border-bottom: 1px solid #e6ece2; vertical-align: top; }
    th { background: #edf4e8; color: #2f4734; font-size: 13px; }
    td { color: #526158; font-size: 14px; }
    tr:last-child td { border-bottom: 0; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .token-note { margin: 13px 0 0; color: var(--muted); font-size: 13px; }
    .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 21px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.8); }
    .review blockquote { margin: 0; color: #435248; font-size: 14px; }
    .review p { margin: 17px 0 0; color: var(--green-dark); font-size: 13px; font-weight: 750; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
    details { padding: 16px 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.82); }
    summary { position: relative; padding-right: 25px; cursor: pointer; color: var(--ink); font-weight: 750; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 0; top: -2px; color: var(--green); font-size: 22px; line-height: 1; transition: transform .2s; }
    details[open] summary::after { transform: rotate(45deg); }
    details p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
    .article-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 11px; }
    .article-link { min-height: 112px; display: flex; flex-direction: column; justify-content: space-between; padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: #fff; transition: transform .2s, border-color .2s; }
    .article-link:hover { transform: translateY(-3px); border-color: #abc992; }
    .article-link strong { font-size: 15px; }
    .article-link span { color: var(--green); font-size: 13px; }
    .glossary { display: flex; flex-wrap: wrap; gap: 9px; }
    .glossary span { padding: 8px 13px; border: 1px solid #d6e3ce; border-radius: 999px; background: #fff; color: #425448; font-size: 13px; }
    .contact-section { padding-bottom: 70px; }
    .contact-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
    .contact-form { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #3b4c40; font-size: 13px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #cedbca; border-radius: 9px; outline: none; background: #fbfcf9; color: var(--ink); }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(52,123,57,.1); }
    .field textarea { min-height: 116px; resize: vertical; }
    .contact-form .button { margin-top: 16px; }
    .contact-card { padding: 26px; border-radius: 18px; background: #e9f1e4; }
    .contact-card h3 { margin: 0 0 14px; }
    .contact-lines { display: grid; gap: 9px; color: #435448; font-size: 14px; }
    .contact-lines a { color: var(--green-dark); font-weight: 700; }
    .qr { width: 142px; margin-top: 20px; padding: 8px; border: 1px solid #d1dfca; border-radius: 12px; background: #fff; }
    .qr img { display: block; width: 100%; height: auto; }
    .qr figcaption { margin-top: 5px; text-align: center; color: #526158; font-size: 12px; }
    .partner-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
    .partner-links a { padding: 8px 12px; border: 1px solid #d5e2ce; border-radius: 999px; background: #fff; color: #405347; font-size: 13px; transition: background .2s; }
    .partner-links a:hover { background: #e4f0dc; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 27px 29px; border: 1px solid #cbdcbe; border-radius: 18px; background: linear-gradient(110deg, #e7f1df, #f9fbf6); }
    .join-band h2 { margin: 0 0 5px; font-size: 23px; }
    .join-band p { margin: 0; color: var(--muted); font-size: 14px; }
    .site-footer { padding: 23px 0; border-top: 1px solid var(--line); background: #edf3e9; color: #34463a; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .footer-inner p { margin: 0; font-size: 13px; }
    .footer-nav { display: flex; flex-wrap: wrap; gap: 15px; font-size: 13px; }
    .footer-nav a { color: #34463a; }
    .floating { position: fixed; right: 20px; bottom: 20px; z-index: 15; display: grid; gap: 9px; }
    .float-button { display: inline-flex; align-items: center; justify-content: center; min-width: 48px; min-height: 48px; padding: 0 14px; border: 0; border-radius: 999px; background: var(--green); color: #fff; box-shadow: 0 8px 22px rgba(38,76,41,.22); font-weight: 750; cursor: pointer; }
    .float-button:hover { background: var(--green-dark); }
    #backTop { display: none; background: #fff; border: 1px solid var(--line); color: var(--green-dark); }
    .float-panel { display: none; position: absolute; right: 0; bottom: 114px; width: 220px; padding: 15px; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: var(--shadow); text-align: center; }
    .float-panel.is-open { display: block; animation: rise .2s ease both; }
    .float-panel img { width: 150px; height: auto; }
    .float-panel p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes pulse { 50% { transform: scale(1.16); opacity: .72; } }
    @keyframes rise { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }
    @media (max-width: 980px) {
      .menu-toggle { display: inline-flex; }
      .nav-links { display: none; position: absolute; top: 76px; left: 20px; right: 20px; padding: 12px; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: var(--shadow); align-items: stretch; }
      .nav-links.is-open { display: flex; flex-direction: column; }
      .nav-links a { padding: 11px 13px; }
      .nav-links .nav-cta { margin: 5px 0 0; text-align: center; }
      .hero-layout { gap: 32px; }
      .article-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 720px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 58px 0 35px; }
      .hero-layout, .about-grid, .network-row, .contact-layout { grid-template-columns: 1fr; }
      .hero-layout { gap: 28px; }
      .hero-side { max-width: 500px; }
      .stats-row { grid-template-columns: 1fr 1fr; }
      .stat:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
      .stat:nth-child(4) { border-top: 1px solid var(--line); }
      .section { padding: 58px 0; }
      .service-grid { grid-template-columns: 1fr 1fr; }
      .service-card.wide { grid-column: span 2; }
      .workflow { grid-template-columns: 1fr 1fr; row-gap: 12px; }
      .industry-grid { grid-template-columns: 1fr 1fr; }
      .reviews { grid-template-columns: 1fr 1fr; }
      .faq-list { grid-template-columns: 1fr; }
      .article-grid { grid-template-columns: 1fr 1fr; }
      .footer-inner { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 480px) {
      .brand span { font-size: 16px; }
      .brand img { width: 36px; height: 36px; }
      .hero h1 { font-size: 43px; }
      .hero-actions .button { width: 100%; }
      .service-grid, .industry-grid, .reviews, .gallery { grid-template-columns: 1fr; }
      .service-card.wide { grid-column: auto; }
      .workflow { grid-template-columns: 1fr; }
      .network-list { grid-template-columns: 1fr; }
      .rating-strip { align-items: flex-start; flex-direction: column; }
      .rating-score { text-align: left; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .article-grid { grid-template-columns: 1fr 1fr; }
      .join-band { align-items: flex-start; flex-direction: column; }
      .floating { right: 12px; bottom: 12px; }
      .float-button { min-width: 44px; min-height: 44px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }