:root {
      color-scheme: light;
      --ink: #1e2c24;
      --muted: #64736a;
      --green: #287a4d;
      --green-dark: #1b5b39;
      --lime: #d9f36c;
      --mint: #eaf5df;
      --paper: #f7faf4;
      --white: #fff;
      --line: #dce6d8;
      --container: 1160px;
      --shadow: 0 16px 40px rgba(37, 76, 49, .09);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(ellipse at 90% 2%, rgba(217, 243, 108, .23), transparent 32rem),
        linear-gradient(180deg, #f7faf4 0%, #f4f8ef 44%, #f8faf6 100%);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.7;
    }
    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;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(220, 230, 216, .86);
      background: rgba(250, 252, 248, .92);
      backdrop-filter: blur(14px);
    }
    .header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
    .brand img { display: block; width: 42px; max-height: 42px; object-fit: contain; }
    .brand-name { display: block; font-size: 17px; font-weight: 800; letter-spacing: .02em; line-height: 1.2; }
    .brand-caption { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; letter-spacing: .08em; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #425249; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--green); }
    .header-action { padding: 10px 17px; border-radius: 999px; color: #fff; background: var(--green); font-size: 13px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
    .header-action:hover { transform: translateY(-2px); background: var(--green-dark); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 12px; padding: 8px 12px; cursor: pointer; }
    main { overflow: clip; }
    .hero { padding: 76px 0 66px; }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr); gap: 48px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--green-dark); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: #8dbb33; }
    h1 { max-width: 700px; margin: 19px 0 17px; font-size: clamp(38px, 5.4vw, 67px); line-height: 1.12; letter-spacing: -.045em; }
    .hero h1 span { color: var(--green); }
    .hero-copy { max-width: 610px; margin: 0; color: #53645a; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
    .button { display: inline-flex; justify-content: center; align-items: center; gap: 9px; min-height: 48px; padding: 0 21px; border: 1px solid transparent; border-radius: 14px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: #fff; background: var(--green); box-shadow: 0 9px 22px rgba(40, 122, 77, .18); }
    .button-primary:hover { background: var(--green-dark); box-shadow: 0 12px 26px rgba(40, 122, 77, .24); }
    .button-secondary { border-color: #cbd9c8; color: var(--ink); background: rgba(255, 255, 255, .65); }
    .hero-note { margin: 17px 0 0; color: #718077; font-size: 12px; }
    .hero-visual { position: relative; padding: 27px; border: 1px solid #cbdcc2; border-radius: 28px; background: linear-gradient(145deg, #eef7df, #fff 67%); box-shadow: var(--shadow); }
    .hero-visual::after { content: ""; position: absolute; right: 18px; top: 18px; width: 9px; height: 9px; border-radius: 50%; background: #9ac93e; box-shadow: 0 0 0 7px rgba(154, 201, 62, .15); }
    .visual-heading { margin: 0 0 5px; font-size: 14px; font-weight: 800; }
    .visual-sub { margin: 0; color: var(--muted); font-size: 12px; }
    .visual-flow { display: grid; grid-template-columns: 1fr 30px 1fr; gap: 8px; align-items: center; margin: 24px 0 18px; }
    .flow-node { min-height: 84px; display: grid; align-content: center; gap: 4px; padding: 13px; border: 1px solid #d7e3d1; border-radius: 17px; background: rgba(255,255,255,.88); }
    .flow-node strong { font-size: 13px; }
    .flow-node span { color: var(--muted); font-size: 11px; }
    .flow-arrow { color: #78a83d; text-align: center; font-size: 21px; }
    .visual-output { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 15px; border-radius: 15px; color: #21412e; background: #dff1b1; font-size: 12px; font-weight: 700; }
    .visual-output span:last-child { color: #477331; font-size: 11px; }
    .proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 46px; padding: 19px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .proof-item { padding: 0 22px; border-right: 1px solid var(--line); }
    .proof-item:first-child { padding-left: 0; }
    .proof-item:last-child { border: 0; }
    .proof-item strong { display: block; font-size: 14px; }
    .proof-item span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { background: rgba(235, 244, 225, .72); border-block: 1px solid rgba(220, 230, 216, .72); }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 30px; }
    .section-head > div { max-width: 700px; }
    .section-kicker { margin: 0 0 7px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
    h2 { margin: 0; font-size: clamp(27px, 3.5vw, 40px); line-height: 1.22; letter-spacing: -.035em; }
    .section-intro { max-width: 650px; margin: 11px 0 0; color: var(--muted); font-size: 15px; }
    .text-link { color: var(--green-dark); font-size: 13px; font-weight: 750; white-space: nowrap; }
    .about-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 38px; align-items: start; }
    .about-panel { padding: 29px; border-radius: 24px; color: #f5faef; background: #205d3b; }
    .about-panel h3 { margin: 0 0 12px; font-size: 23px; }
    .about-panel p { margin: 0; color: #d7e8d8; font-size: 14px; }
    .about-panel .button { margin-top: 22px; color: #1c3d27; background: var(--lime); }
    .capability-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
    .capability { padding: 17px 0; border-bottom: 1px solid var(--line); }
    .capability strong { display: block; margin-bottom: 4px; font-size: 14px; }
    .capability p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
    .service-card { padding: 20px; border: 1px solid #dce6d8; border-radius: 19px; background: rgba(255,255,255,.78); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
    .service-card:hover { transform: translateY(-4px); border-color: #b8d49c; box-shadow: var(--shadow); }
    .service-card h3 { margin: 0 0 7px; font-size: 16px; }
    .service-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-tag { display: inline-block; margin-top: 12px; padding: 4px 9px; border-radius: 999px; color: #37653d; background: #edf5df; font-size: 11px; font-weight: 700; }
    .workflow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: workflow; }
    .workflow-step { position: relative; padding: 23px 20px; border-top: 2px solid #9fc84d; border-radius: 0 0 16px 16px; background: rgba(255,255,255,.7); counter-increment: workflow; }
    .workflow-step::before { content: "0" counter(workflow); display: block; margin-bottom: 17px; color: #6d9e37; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
    .workflow-step h3 { margin: 0 0 6px; font-size: 15px; }
    .workflow-step p { margin: 0; color: var(--muted); font-size: 13px; }
    .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .solution-card { padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
    .solution-card h3 { margin: 0 0 9px; font-size: 19px; }
    .solution-card p { margin: 0 0 15px; color: var(--muted); font-size: 14px; }
    .solution-card ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
    .solution-card li { display: flex; gap: 9px; color: #45554a; font-size: 13px; }
    .solution-card li::before { content: "✓"; color: var(--green); font-weight: 900; }
    .network-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 25px; padding: 28px; border-radius: 23px; background: #e7f1d8; }
    .network-panel h3 { margin: 0 0 8px; font-size: 20px; }
    .network-panel p { max-width: 700px; margin: 0; color: #526457; font-size: 14px; }
    .network-pill { padding: 12px 17px; border: 1px solid #c5d9af; border-radius: 14px; color: #315d38; background: #f8fbf3; font-size: 13px; font-weight: 750; white-space: nowrap; }
    .case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .case-image { overflow: hidden; aspect-ratio: 16 / 8.5; background: #e6eddf; }
    .case-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
    .case-content { padding: 18px 20px 20px; }
    .case-content h3 { margin: 0 0 5px; font-size: 17px; }
    .case-content p { margin: 0; color: var(--muted); font-size: 13px; }
    .assessment { display: grid; grid-template-columns: .72fr 1.28fr; gap: 26px; align-items: stretch; }
    .score-card { display: grid; align-content: center; padding: 27px; border-radius: 22px; color: #fff; background: #205d3b; }
    .score-card p { margin: 0; color: #d8ead8; font-size: 13px; }
    .score { margin: 8px 0 0; color: #e2f7a0; font-size: 58px; font-weight: 850; letter-spacing: -.06em; line-height: 1.1; }
    .stars { margin: 8px 0 12px; color: #e2f7a0; letter-spacing: .12em; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .comparison-table { width: 100%; min-width: 540px; border-collapse: collapse; }
    .comparison-table th, .comparison-table td { padding: 13px 15px; border-bottom: 1px solid #e8eee5; text-align: left; font-size: 13px; }
    .comparison-table th { color: #314b38; background: #edf5e5; font-size: 12px; }
    .comparison-table tr:last-child td { border-bottom: 0; }
    .comparison-table td:first-child { font-weight: 750; }
    .comparison-table td:last-child { color: #3e6f42; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .tag-cloud span { padding: 8px 13px; border: 1px solid #d8e5d1; border-radius: 999px; color: #405849; background: rgba(255,255,255,.7); font-size: 13px; }
    .reviews-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
    .review { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.8); }
    .review p { margin: 0 0 15px; color: #46564b; font-size: 13px; }
    .review strong { display: block; font-size: 13px; }
    .review span { color: var(--muted); font-size: 11px; }
    .faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 34px; align-items: start; }
    .faq-aside { position: sticky; top: 105px; }
    .faq-aside p { margin: 12px 0 20px; color: var(--muted); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { position: relative; padding: 17px 34px 17px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 750; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; top: 13px; right: 4px; color: var(--green); font-size: 23px; font-weight: 400; transition: transform .2s ease; }
    .faq-list details[open] summary::after { transform: rotate(45deg); }
    .faq-list details p { margin: -3px 28px 17px 0; color: var(--muted); font-size: 13px; }
    .article-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 112px; display: flex; flex-direction: column; justify-content: space-between; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.76); transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-3px); border-color: #9fc483; }
    .article-link strong { font-size: 13px; }
    .article-link span { color: var(--green); font-size: 11px; font-weight: 750; }
    .contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 26px; align-items: start; }
    .contact-info { padding: 26px; border-radius: 22px; background: #e9f3de; }
    .contact-info h3 { margin: 0 0 7px; font-size: 20px; }
    .contact-info > p { margin: 0 0 17px; color: var(--muted); font-size: 13px; }
    .contact-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
    .contact-list li { font-size: 13px; }
    .contact-list strong { color: #315d38; }
    .qr-wrap { width: 132px; margin-top: 18px; padding: 8px; border-radius: 12px; background: #fff; }
    .qr-wrap img { display: block; width: 100%; height: auto; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
    .field { display: grid; gap: 6px; }
    .field-full { grid-column: 1 / -1; }
    .field label { color: #405248; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid #d8e2d5; border-radius: 11px; outline: none; color: var(--ink); background: #fbfcfa; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #75a95b; box-shadow: 0 0 0 3px rgba(117, 169, 91, .12); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-note { grid-column: 1 / -1; margin: -4px 0 0; color: var(--muted); font-size: 11px; }
    .contact-form .button { justify-self: start; border: 0; cursor: pointer; }
    .links-panel { padding: 21px 0 28px; border-top: 1px solid var(--line); }
    .links-panel h3 { margin: 0 0 12px; font-size: 14px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 9px 18px; }
    .footer-links a { color: #4f6755; font-size: 12px; }
    .footer-links a:hover { color: var(--green); text-decoration: underline; }
    .site-footer { padding: 20px 0 24px; border-top: 1px solid var(--line); color: #4e6054; background: #eaf2e4; }
    .footer-main { display: flex; align-items: center; justify-content: space-between; gap: 22px; }
    .footer-brand { font-size: 14px; font-weight: 800; }
    .footer-meta { margin-top: 4px; color: #66766b; font-size: 11px; }
    .footer-contact { display: flex; flex-wrap: wrap; gap: 8px 16px; color: #40584a; font-size: 12px; }
    .floating-help { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating-help a, .to-top { display: inline-flex; justify-content: center; align-items: center; min-width: 48px; min-height: 45px; padding: 0 13px; border: 1px solid #cbdcc2; border-radius: 14px; color: #21442e; background: #f7fbea; box-shadow: 0 8px 22px rgba(41, 73, 46, .12); font-size: 12px; font-weight: 750; }
    .to-top { display: none; cursor: pointer; }
    .to-top.visible { display: inline-flex; }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (max-width: 980px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .header-inner { gap: 12px; }
      .hero-grid { gap: 28px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .article-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 760px) {
      html { scroll-padding-top: 72px; }
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 68px; }
      .brand img { width: 37px; max-height: 37px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-wrap { display: none; position: absolute; inset: 68px 0 auto; padding: 10px 16px 16px; border-bottom: 1px solid var(--line); background: #f8fbf5; box-shadow: 0 14px 24px rgba(30, 60, 38, .08); }
      .nav-wrap.open { display: block; }
      .nav-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
      .nav-links a { padding: 10px 7px; white-space: normal; }
      .header-action { display: inline-flex; margin: 8px 6px 0; }
      .hero { padding: 52px 0 42px; }
      .hero-grid, .about-layout, .assessment, .faq-layout, .contact-layout { grid-template-columns: 1fr; }
      .hero-grid { gap: 28px; }
      .hero-visual { max-width: 520px; }
      .proof-strip { grid-template-columns: repeat(2, 1fr); gap: 15px 0; margin-top: 32px; }
      .proof-item:nth-child(2) { border-right: 0; }
      .proof-item:nth-child(3) { padding-left: 0; }
      .proof-item { padding-inline: 16px; }
      .section { padding: 58px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 12px; }
      .workflow-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .faq-aside { position: static; }
      .network-panel { grid-template-columns: 1fr; }
      .network-pill { justify-self: start; }
      .footer-main { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 520px) {
      .brand-caption { font-size: 10px; }
      .hero h1 { font-size: 40px; }
      .hero-copy { font-size: 15px; }
      .hero-visual { padding: 21px; }
      .visual-flow { grid-template-columns: 1fr 22px 1fr; }
      .proof-item strong { font-size: 13px; }
      .capability-list, .service-grid, .solution-grid, .case-grid, .reviews-grid, .contact-form { grid-template-columns: 1fr; }
      .service-card { padding: 18px; }
      .workflow-grid { gap: 10px; }
      .workflow-step { padding: 18px 15px; }
      .article-grid { grid-template-columns: repeat(2, 1fr); }
      .field-full, .form-note { grid-column: auto; }
      .contact-form .button { grid-column: auto; }
      .floating-help { right: 10px; bottom: 12px; }
      .floating-help a, .to-top { min-width: 43px; min-height: 42px; padding-inline: 10px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }