:root {
      color-scheme: light;
      --ink: #202b35;
      --muted: #58636b;
      --paper: #fbf9f4;
      --white: #fffefa;
      --line: #dddcd4;
      --teal: #126e68;
      --coral: #e66a4e;
      --yellow: #efc34e;
      --blue: #3c6f9a;
      --green: #d8ebd9;
      --content: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 32%, rgba(239,195,78,.12), transparent 23rem),
        radial-gradient(circle at 94% 56%, rgba(60,111,154,.08), transparent 26rem),
        var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", 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 { display: block; max-width: 100%; height: auto; }
    .container { width: min(calc(100% - 40px), var(--content)); margin-inline: auto; }
    .topbar { position: sticky; z-index: 20; top: 0; background: rgba(251,249,244,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
    .nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; }
    .brand img { width: 42px; max-height: 42px; object-fit: contain; }
    .brand span { font-size: 17px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 7px 9px; color: #435059; font-size: 12px; line-height: 1.35; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--coral); }
    .nav-links .nav-cta { margin-left: 8px; padding: 9px 14px; color: var(--white); background: var(--teal); border-radius: 4px; font-weight: 700; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); padding: 8px 11px; color: var(--ink); border-radius: 4px; }
    .hero { position: relative; overflow: hidden; padding: 82px 0 62px; border-bottom: 1px solid var(--line); }
    .hero::before { position: absolute; top: 52px; right: max(calc((100% - var(--content))/2), 24px); width: 104px; height: 104px; content: ""; border: 2px solid var(--coral); border-radius: 50%; opacity: .5; }
    .hero::after { position: absolute; right: max(calc((100% - var(--content))/2 + 66px), 88px); top: 72px; width: 24px; height: 24px; content: ""; background: var(--yellow); transform: rotate(18deg); }
    .hero-inner { position: relative; z-index: 1; max-width: 850px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--teal); font-size: 13px; font-weight: 800; letter-spacing: 0; }
    .eyebrow::before { width: 24px; height: 3px; content: ""; background: var(--coral); }
    h1 { max-width: 780px; margin: 16px 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.13; letter-spacing: 0; }
    .hero h1 span { position: relative; z-index: 0; white-space: nowrap; }
    .hero h1 span::after { position: absolute; z-index: -1; right: -4px; bottom: 4px; left: -3px; height: 15px; content: ""; background: var(--yellow); transform: rotate(-1.5deg); opacity: .72; }
    .hero-copy { max-width: 680px; margin: 0; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; border: 1px solid transparent; border-radius: 4px; font-weight: 750; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(32,43,53,.12); }
    .button-primary { color: white; background: var(--teal); }
    .button-primary:hover { background: #0d5b56; }
    .button-secondary { color: var(--ink); background: var(--white); border-color: #b8bcb4; }
    .hero-note { margin-top: 14px; color: #69736f; font-size: 13px; }
    .ribbon { border-bottom: 1px solid var(--line); background: #f4ead0; }
    .ribbon-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 26px; padding-block: 14px; }
    .ribbon strong { font-size: 15px; }
    .ribbon p { margin: 0; color: #505a5d; font-size: 13px; }
    .section { padding: 68px 0; border-bottom: 1px solid rgba(221,220,212,.86); }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 28px; }
    .section-head > div { max-width: 720px; }
    .kicker { margin: 0 0 7px; color: var(--coral); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; font-size: clamp(27px, 4vw, 40px); line-height: 1.25; letter-spacing: 0; }
    .section-intro { max-width: 520px; margin: 8px 0 0; color: var(--muted); }
    .text-link { color: var(--teal); font-weight: 750; }
    .about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: start; }
    .about-copy { max-width: 650px; color: #47535a; }
    .about-copy p { margin: 0 0 15px; }
    .values { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 22px; border-top: 1px solid var(--line); }
    .value { padding: 16px 0; border-bottom: 1px solid var(--line); }
    .value strong { display: block; margin-bottom: 4px; color: var(--teal); }
    .value span { color: var(--muted); font-size: 13px; }
    .marker { display: inline-block; padding: 3px 8px; background: #f3d76f; transform: rotate(-1deg); font-size: 12px; font-weight: 750; }
    .metric-row { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
    .metric { padding: 19px 18px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; font-size: 20px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
    .service { position: relative; padding: 20px; background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--teal); transition: transform .2s ease, box-shadow .2s ease; }
    .service:nth-child(3n+2) { border-top-color: var(--coral); }
    .service:nth-child(3n) { border-top-color: var(--yellow); }
    .service:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(32,43,53,.08); }
    .service h3, .workflow h3, .case h3, .review h3 { margin: 0 0 8px; font-size: 18px; }
    .service p, .case p { margin: 0; color: var(--muted); font-size: 14px; }
    .service .mini { display: inline-block; margin-bottom: 11px; color: var(--teal); font-size: 12px; font-weight: 800; }
    .service-wide { grid-column: span 3; display: flex; align-items: start; justify-content: space-between; gap: 20px; background: #f3ead2; }
    .service-wide p { max-width: 730px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
    .tag-cloud span { padding: 5px 10px; border: 1px solid #c8cdc5; color: #3d4c50; background: rgba(255,254,250,.76); font-size: 12px; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid #aeb5ac; border-bottom: 1px solid #aeb5ac; }
    .step { padding: 23px 18px 24px 0; }
    .step + .step { padding-left: 18px; border-left: 1px solid var(--line); }
    .step-no { display: inline-block; margin-bottom: 13px; color: var(--coral); font-size: 13px; font-weight: 850; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; }
    .solution-note { padding: 24px; color: var(--ink); background: #d9ebe3; }
    .solution-note h3 { margin: 0 0 10px; font-size: 21px; }
    .solution-note p { margin: 0; color: #455650; }
    .solution-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 22px; }
    .solution-item { padding: 13px 0; border-bottom: 1px solid var(--line); }
    .solution-item strong { display: block; }
    .solution-item span { color: var(--muted); font-size: 13px; }
    .network { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
    .network-copy { color: var(--muted); }
    .network-copy p { margin-top: 0; }
    .network-strip { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border: 1px solid var(--line); background: var(--white); }
    .network-strip div { padding: 17px; border-bottom: 1px solid var(--line); }
    .network-strip div:nth-child(odd) { border-right: 1px solid var(--line); }
    .network-strip div:nth-last-child(-n+2) { border-bottom: 0; }
    .network-strip strong { display: block; }
    .network-strip span { color: var(--muted); font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
    .case { overflow: hidden; background: var(--white); border: 1px solid var(--line); }
    .case-image { aspect-ratio: 16/9; overflow: hidden; background: #ece6d9; }
    .case-image img { width: 100%; height: 100%; object-fit: cover; }
    .case-body { padding: 16px; }
    .case-label { margin: 0 0 5px !important; color: var(--teal) !important; font-size: 12px !important; font-weight: 750; }
    .review-band { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; align-items: center; padding: 25px; color: var(--ink); background: #f1d779; }
    .rating { display: flex; align-items: center; gap: 14px; }
    .rating strong { font-size: 48px; line-height: 1; }
    .stars { color: #713d2d; font-size: 20px; letter-spacing: 0; }
    .rating-copy { font-size: 13px; color: #504b3c; }
    .table-scroll { overflow-x: auto; margin-top: 22px; border: 1px solid var(--line); background: var(--white); }
    table { width: 100%; min-width: 760px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { color: var(--ink); background: #e9f0e8; font-size: 13px; }
    td { color: #4d585e; font-size: 13px; }
    tbody tr:last-child td { border-bottom: 0; }
    td:first-child { color: var(--ink); font-weight: 750; }
    .check { color: var(--teal); font-weight: 800; }
    .price-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .price-copy { color: var(--muted); }
    .price-copy p { margin-top: 0; }
    .price-list { border-top: 1px solid var(--line); }
    .price-line { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
    .price-line span:last-child { color: var(--teal); font-weight: 750; text-align: right; }
    .review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
    .review { padding: 18px; background: var(--white); border-left: 3px solid var(--coral); }
    .review:nth-child(2n) { border-left-color: var(--teal); }
    .review p { margin: 0 0 14px; color: #4d585e; font-size: 14px; }
    .review h3 { font-size: 14px; }
    .review span { color: var(--muted); font-size: 12px; }
    .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: 750; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; top: 15px; right: 4px; content: "+"; color: var(--coral); font-size: 22px; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 850px; margin: -4px 0 17px; color: var(--muted); }
    .article-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 12px; }
    .article-link { display: flex; min-height: 92px; align-items: end; padding: 14px; border: 1px solid var(--line); background: var(--white); color: var(--teal); font-weight: 750; transition: background .2s ease; }
    .article-link:hover { background: #f4ead0; }
    .form-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 36px; align-items: start; }
    .contact-details { padding-top: 4px; }
    .contact-details p { margin: 0 0 11px; color: var(--muted); }
    .contact-details a { color: var(--teal); font-weight: 700; }
    .qr-wrap { width: 148px; margin-top: 18px; padding: 8px; border: 1px solid var(--line); background: var(--white); }
    .qr-wrap img { width: 100%; }
    .form { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
    .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%; padding: 11px 12px; color: var(--ink); background: var(--white); border: 1px solid #bfc4be; border-radius: 3px; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(18,110,104,.24); border-color: var(--teal); }
    .field textarea { min-height: 120px; resize: vertical; }
    .form .button { justify-self: start; cursor: pointer; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; border-top: 1px solid var(--line); }
    .join-band p { margin: 0; color: var(--muted); }
    .footer { padding: 28px 0 22px; color: #29353c; background: #e8e9e2; }
    .footer-top { display: flex; align-items: start; justify-content: space-between; gap: 25px; }
    .footer p { margin: 0; color: #4f5b5d; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; max-width: 650px; }
    .footer-links a { color: #265f5b; font-size: 13px; }
    .copyright { margin-top: 20px !important; padding-top: 13px; border-top: 1px solid #c9ccc5; }
    .floating { position: fixed; z-index: 15; right: 18px; bottom: 18px; display: grid; gap: 8px; }
    .floating a { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid #d0d2cb; border-radius: 50%; background: var(--white); color: var(--teal); box-shadow: 0 3px 12px rgba(32,43,53,.12); font-size: 12px; font-weight: 800; }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (max-width: 1040px) {
      .nav-wrap { position: relative; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-links { display: none; position: absolute; top: calc(100% - 1px); right: 0; left: 0; max-height: calc(100vh - 90px); overflow-y: auto; padding: 10px; align-items: stretch; flex-direction: column; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 8px 18px rgba(32,43,53,.1); }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 10px 12px; font-size: 14px; }
      .nav-links .nav-cta { margin: 6px 0 0; text-align: center; }
    }
    @media (max-width: 760px) {
      .container { width: min(calc(100% - 32px), var(--content)); }
      .hero { padding: 62px 0 46px; }
      .hero::before { top: 28px; right: 22px; width: 56px; height: 56px; }
      .hero::after { top: 43px; right: 56px; width: 15px; height: 15px; }
      .hero-copy { font-size: 15px; }
      .section { padding: 50px 0; }
      .section-head { display: block; }
      .section-head > .text-link { display: inline-block; margin-top: 12px; }
      .about-grid, .solution-layout, .network, .price-layout, .form-layout { grid-template-columns: 1fr; }
      .service-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .service-wide { grid-column: span 2; }
      .workflow { grid-template-columns: repeat(2, 1fr); }
      .step { padding: 18px 12px 18px 0; }
      .step + .step { padding-left: 12px; }
      .step:nth-child(3) { border-top: 1px solid var(--line); }
      .step:nth-child(4) { border-top: 1px solid var(--line); }
      .case-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .review-band { grid-template-columns: 1fr; gap: 14px; }
      .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .article-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .footer-top { flex-direction: column; }
    }
    @media (max-width: 480px) {
      .brand span { font-size: 15px; }
      .hero-actions { align-items: stretch; flex-direction: column; }
      .hero-actions .button { width: 100%; }
      .metric-row { grid-template-columns: repeat(2,1fr); }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .service-grid, .case-grid, .review-grid { grid-template-columns: 1fr; }
      .service-wide { grid-column: auto; display: block; }
      .solution-list { grid-template-columns: 1fr; }
      .form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .join-band { align-items: start; flex-direction: column; }
      .rating strong { font-size: 40px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }