:root {
      color-scheme: light;
      --ink: #17231f;
      --muted: #586760;
      --paper: #f8faf7;
      --white: #fff;
      --line: #dce5dd;
      --green: #176b4a;
      --green-dark: #104d37;
      --lime: #d9f267;
      --coral: #f17c5b;
      --blue: #dceeff;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: 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(248,250,247,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; text-decoration: none; font-weight: 800; }
    .brand img { width: 38px; height: 38px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 12px; color: #3e5148; text-decoration: none; font-size: 14px; }
    .nav-links a:hover { color: var(--green); }
    .nav-action, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 0; border-radius: 5px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; transition: transform .2s ease, background .2s ease; }
    .nav-action:hover, .button:hover { transform: translateY(-2px); background: var(--green-dark); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--ink); font-size: 21px; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 54px; background: #eaf4e8; }
    .hero::before { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg,var(--green),var(--lime),var(--coral)); }
    .hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 56px; }
    .eyebrow { margin: 0 0 14px; color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    h1 { max-width: 690px; margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 640px; margin: 22px 0 26px; color: #41554b; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .button.secondary { border: 1px solid #9bb5a4; background: transparent; color: var(--green-dark); }
    .button.secondary:hover { background: #dcebdd; }
    .hero-note { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
    .hero-art { min-height: 305px; display: grid; place-items: center; position: relative; }
    .orbit { width: min(100%, 360px); aspect-ratio: 1; border: 1px solid #a9c7ad; border-radius: 50%; display: grid; place-items: center; position: relative; animation: slow-spin 36s linear infinite; }
    .orbit::before, .orbit::after { content: ""; position: absolute; border: 1px solid #b8cdb8; border-radius: 50%; }
    .orbit::before { inset: 11%; }
    .orbit::after { inset: 23%; }
    .orbit-core { width: 118px; aspect-ratio: 1; border-radius: 28px; background: var(--green); color: white; display: grid; place-items: center; text-align: center; font-size: 19px; font-weight: 800; line-height: 1.3; box-shadow: 12px 12px 0 var(--lime); animation: float 4s ease-in-out infinite; }
    .orbit-label { position: absolute; z-index: 1; padding: 7px 11px; background: #fff; border: 1px solid var(--line); border-radius: 4px; font-size: 13px; font-weight: 700; animation: float 4s ease-in-out infinite; }
    .orbit-label.one { top: 9%; left: 33%; }
    .orbit-label.two { top: 40%; right: -2%; animation-delay: .5s; }
    .orbit-label.three { bottom: 10%; left: 27%; animation-delay: 1s; }
    .orbit-label.four { top: 45%; left: -2%; animation-delay: 1.5s; }
    .metrics { padding: 0 0 40px; background: #eaf4e8; }
    .metric-row { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid #cbdcc9; }
    .metric { padding: 20px 14px; text-align: center; border-right: 1px solid #cbdcc9; }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; color: var(--green-dark); font-size: 21px; }
    .metric span { color: var(--muted); font-size: 13px; }
    section.content-section { padding: 76px 0; }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-heading h2 { margin: 0; font-size: 34px; line-height: 1.2; letter-spacing: 0; }
    .section-heading p { max-width: 530px; margin: 0; color: var(--muted); }
    .intro-band { background: #fff; border-block: 1px solid var(--line); }
    .intro-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
    .intro-lead { padding-left: 20px; border-left: 4px solid var(--coral); font-size: 20px; font-weight: 700; }
    .intro-copy { color: var(--muted); margin: 0; }
    .capability-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0 26px; }
    .capability { padding: 22px 0; border-top: 1px solid var(--line); }
    .capability h3 { margin: 0 0 8px; font-size: 18px; }
    .capability p { margin: 0; color: var(--muted); font-size: 14px; }
    .cap-index { display: inline-block; margin-bottom: 12px; color: var(--green); font-size: 12px; font-weight: 800; }
    .workflow { background: #eaf4e8; border-block: 1px solid #d5e4d4; }
    .steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; counter-reset: step; }
    .step { padding-top: 18px; border-top: 2px solid var(--green); counter-increment: step; }
    .step::before { content: "0" counter(step); display: block; color: var(--coral); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 8px 0; font-size: 18px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .solutions-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
    .solution { min-height: 122px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 4px; transition: transform .2s ease, border-color .2s ease; }
    .solution:hover { transform: translateY(-3px); border-color: #8cb49b; }
    .solution h3 { margin: 0 0 7px; font-size: 16px; }
    .solution p { margin: 0; color: var(--muted); font-size: 13px; }
    .platforms { padding: 24px; background: #173e31; color: #fff; }
    .platforms h3 { margin: 0 0 14px; font-size: 18px; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-list span { padding: 5px 10px; border: 1px solid #668576; border-radius: 3px; color: #eff8e9; font-size: 13px; }
    .comparison { background: #fff; border-block: 1px solid var(--line); }
    .rating-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 24px; padding: 22px 26px; background: #e9f3e7; }
    .rating-panel strong { font-size: 36px; color: var(--green-dark); }
    .stars { color: #bd6b22; font-size: 22px; letter-spacing: 0; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); }
    table { width: 100%; min-width: 650px; border-collapse: collapse; text-align: left; }
    th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); }
    th { background: #f0f5ef; font-size: 14px; }
    td { color: #43534b; font-size: 14px; }
    tr:last-child td { border-bottom: 0; }
    .check { color: var(--green); font-weight: 800; }
    .case-section { background: #f0f4f0; }
    .case-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; }
    .case-image { margin: 0; background: #e0e8e1; overflow: hidden; }
    .case-image img { display: block; width: 100%; height: 100%; min-height: 300px; object-fit: cover; }
    .case-copy { display: flex; flex-direction: column; justify-content: center; padding: 8px 0; }
    .case-copy h3 { margin: 0 0 12px; font-size: 24px; }
    .case-copy p { color: var(--muted); }
    .case-copy .button { align-self: flex-start; margin-top: 8px; }
    .reviews-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
    .review { padding: 20px 0; border-top: 2px solid var(--green); }
    .review blockquote { margin: 0 0 16px; color: #3e5148; }
    .review cite { color: var(--muted); font-size: 13px; font-style: normal; font-weight: 700; }
    .faq-section { background: #fff; border-block: 1px solid var(--line); }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    details { border-top: 1px solid var(--line); }
    summary { position: relative; padding: 17px 30px 17px 0; cursor: pointer; font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 2px; top: 14px; color: var(--green); font-size: 22px; }
    details[open] summary::after { content: "−"; }
    details p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
    .articles { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
    .article-link { display: flex; min-height: 92px; align-items: center; justify-content: space-between; gap: 10px; padding: 16px; border: 1px solid var(--line); background: #fff; text-decoration: none; font-weight: 700; }
    .article-link span:last-child { color: var(--green); }
    .contact-section { background: #dceeff; border-top: 1px solid #c5dced; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; }
    .contact-info h2 { margin: 0 0 14px; font-size: 32px; }
    .contact-info p { color: #43566a; }
    .contact-info a { color: var(--green-dark); }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 700; }
    input, select, textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #b9cad5; border-radius: 3px; background: #fff; color: var(--ink); font: inherit; }
    textarea { min-height: 112px; resize: vertical; }
    .contact-form .button { justify-self: start; cursor: pointer; }
    .site-footer { padding: 30px 0; background: #172d25; color: #f2f7f2; }
    .footer-row { display: flex; align-items: start; justify-content: space-between; gap: 28px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
    .footer-links a { color: #e0eee3; font-size: 13px; text-decoration: none; }
    .footer-note { margin: 12px 0 0; color: #c7d7cb; font-size: 12px; }
    .floating-tools { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .floating-tools a, .floating-tools button { display: grid; place-items: center; width: 46px; min-height: 46px; border: 1px solid #bfd1c4; border-radius: 50%; background: #fff; color: var(--green-dark); text-decoration: none; font-size: 12px; font-weight: 800; cursor: pointer; box-shadow: 0 4px 16px rgba(20,50,35,.12); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
    @keyframes slow-spin { to { transform: rotate(360deg); } }
    @media (max-width: 900px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 7px; font-size: 13px; }
      .hero-grid { gap: 28px; }
      .solutions-grid { grid-template-columns: repeat(3,1fr); }
      .articles { grid-template-columns: repeat(3,1fr); }
    }
    @media (max-width: 720px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 64px; }
      .menu-toggle { display: inline-grid; place-items: center; margin-left: auto; }
      .nav-action { min-height: 40px; padding-inline: 12px; font-size: 13px; }
      .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; padding: 10px 16px 16px; border-bottom: 1px solid var(--line); background: var(--paper); align-items: stretch; flex-direction: column; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 10px; font-size: 14px; }
      .hero { padding: 50px 0 34px; }
      .hero-grid, .intro-grid, .case-grid, .contact-grid { grid-template-columns: 1fr; }
      .hero-grid { gap: 20px; }
      .hero-art { min-height: 260px; }
      .orbit { width: 250px; }
      .orbit-core { width: 96px; font-size: 16px; }
      .metric-row { grid-template-columns: repeat(2,1fr); }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid #cbdcc9; }
      section.content-section { padding: 54px 0; }
      .section-heading { display: block; }
      .section-heading h2 { margin-bottom: 12px; font-size: 29px; }
      .capability-grid { grid-template-columns: repeat(2,1fr); gap: 0 18px; }
      .steps { grid-template-columns: repeat(2,1fr); }
      .solutions-grid { grid-template-columns: repeat(2,1fr); }
      .reviews-grid, .faq-list { grid-template-columns: 1fr; }
      .articles { grid-template-columns: repeat(2,1fr); }
      .case-image img { min-height: 0; height: auto; }
      .contact-form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-row { flex-direction: column; }
    }
    @media (max-width: 420px) {
      .brand img { width: 32px; height: 32px; }
      .brand { font-size: 14px; }
      .nav-action { padding-inline: 9px; font-size: 12px; }
      .hero-actions .button { flex: 1 1 100%; }
      .solutions-grid, .capability-grid, .steps, .articles { grid-template-columns: 1fr; }
      .rating-panel { align-items: flex-start; flex-direction: column; gap: 4px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }