:root {
      color-scheme: light;
      --ink: #202731;
      --muted: #5f6874;
      --paper: #fffdf8;
      --white: #ffffff;
      --line: #e7e8e4;
      --orange: #f36b45;
      --pink: #f4a3b4;
      --yellow: #f6d858;
      --mint: #8ccfb4;
      --blue: #8bbde7;
      --navy: #253445;
      --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", "Hiragino Sans GB", "Microsoft YaHei", 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; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,253,248,.96); border-bottom: 1px solid rgba(32,39,49,.09); backdrop-filter: blur(12px); }
    .nav-row { 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; font-weight: 800; }
    .brand-mark { display: grid; width: 36px; aspect-ratio: 1; place-items: center; border-radius: 12px; background: var(--yellow); color: var(--ink); font-size: 17px; }
    .brand img { display: block; width: 118px; max-height: 44px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 9px 10px; color: #3f4853; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--orange); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border: 0; border-radius: 5px; background: var(--orange); color: #fff; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; }
    .nav-cta { flex: 0 0 auto; min-height: 40px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(207,91,57,.22); background: #df5937; }
    .button.secondary { color: var(--ink); background: var(--white); border: 1px solid var(--line); }
    .button.secondary:hover { background: #fff7e1; box-shadow: none; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); color: var(--ink); }
    .hero { position: relative; overflow: hidden; background: #fff0cc; border-bottom: 1px solid rgba(32,39,49,.07); }
    .hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(112deg, rgba(255,255,255,.7), rgba(255,245,213,.15) 55%, rgba(244,163,180,.24)); pointer-events: none; }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(250px, .85fr); align-items: center; gap: 38px; padding-top: 66px; padding-bottom: 54px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #8b4c2d; font-size: 13px; font-weight: 750; }
    .eyebrow::before { content: ""; width: 22px; height: 3px; background: var(--orange); }
    h1 { max-width: 700px; margin: 15px 0 16px; font-size: clamp(36px, 5vw, 62px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 620px; margin: 0; color: #4d5864; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .hero-note { margin-top: 16px; color: #6a6b61; font-size: 13px; }
    .hero-visual { position: relative; min-height: 280px; display: grid; align-items: center; }
    .orbit-board { position: relative; width: min(100%, 390px); min-height: 255px; margin: auto; border: 1px solid rgba(32,39,49,.14); border-radius: 7px; background: rgba(255,255,255,.62); box-shadow: 12px 14px 0 rgba(243,107,69,.10); }
    .orbit-board::before, .orbit-board::after { content: ""; position: absolute; border: 1px dashed rgba(32,39,49,.22); border-radius: 50%; inset: 24px 42px; transform: rotate(-20deg); }
    .orbit-board::after { inset: 52px 22px; transform: rotate(20deg); }
    .hub { position: absolute; z-index: 2; display: grid; place-content: center; width: 100px; aspect-ratio: 1; top: 50%; left: 50%; transform: translate(-50%,-50%); border-radius: 50%; background: var(--navy); color: #fff; text-align: center; font-size: 13px; font-weight: 750; box-shadow: 0 0 0 9px rgba(37,52,69,.08); }
    .node { position: absolute; z-index: 3; display: grid; place-items: center; min-width: 76px; min-height: 42px; padding: 6px 11px; border: 1px solid rgba(32,39,49,.1); border-radius: 5px; background: #fff; color: var(--ink); font-size: 12px; font-weight: 700; animation: bob 4s ease-in-out infinite; }
    .node.n1 { top: 22px; left: 21px; background: #f8dc62; }
    .node.n2 { top: 26px; right: 19px; background: #f3b4c0; animation-delay: .5s; }
    .node.n3 { bottom: 20px; left: 18px; background: #b8e5d1; animation-delay: 1s; }
    .node.n4 { right: 18px; bottom: 22px; background: #b9d8f3; animation-delay: 1.4s; }
    @keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: var(--white); border-bottom: 1px solid var(--line); }
    .metric { padding: 20px 22px; border-right: 1px solid var(--line); text-align: center; }
    .metric:last-child { border-right: 0; }
    .metric strong { display: block; font-size: 20px; line-height: 1.3; }
    .metric span { color: var(--muted); font-size: 12px; }
    main { overflow: hidden; }
    .section { padding: 76px 0; }
    .section.tinted { background: #f6f8f3; }
    .section.warm { background: #fff2e9; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
    .section-head > div { max-width: 720px; }
    .kicker { margin: 0 0 7px; color: #c95637; font-size: 12px; font-weight: 800; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.2; }
    .section-intro { max-width: 650px; margin: 10px 0 0; color: var(--muted); }
    .text-link { color: #b44b31; font-weight: 750; white-space: nowrap; }
    .intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
    .intro-copy { font-size: 16px; color: #49535e; }
    .intro-copy p { margin: 0 0 16px; }
    .capability-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; padding: 0; margin: 4px 0 0; list-style: none; }
    .capability-list li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .capability-list li::before { content: "＋"; display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 9px; border-radius: 50%; background: #dff0e5; color: #2b7958; font-weight: 800; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .service { min-height: 164px; padding: 20px; border: 1px solid var(--line); border-top: 3px solid var(--accent, var(--yellow)); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .service:hover, .quote:hover, .case:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(31,43,54,.08); }
    .service h3 { margin: 0 0 8px; font-size: 17px; }
    .service p { margin: 0; color: var(--muted); font-size: 13px; }
    .service .tagline { display: inline-block; margin-top: 12px; color: #a74e36; font-size: 12px; font-weight: 750; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .workflow article { position: relative; padding: 17px 20px 17px 0; border-top: 2px solid #e4d8b4; counter-increment: step; }
    .workflow article::before { content: "0" counter(step); display: block; margin: -30px 0 14px; width: 38px; padding: 4px 0; border-radius: 3px; background: var(--yellow); text-align: center; font-size: 12px; font-weight: 800; }
    .workflow h3 { margin: 0 0 6px; font-size: 16px; }
    .workflow p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .industry { padding: 15px 16px; border-left: 3px solid var(--accent, var(--mint)); background: #fff; }
    .industry strong { display: block; margin-bottom: 4px; font-size: 14px; }
    .industry span { color: var(--muted); font-size: 12px; }
    .network { display: grid; grid-template-columns: .8fr 1.2fr; gap: 38px; align-items: center; }
    .network-callout { padding: 24px; background: var(--navy); color: #fff; }
    .network-callout h3 { margin: 0 0 8px; font-size: 22px; }
    .network-callout p { margin: 0; color: #e1e8ed; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .model-cloud span { padding: 8px 12px; border: 1px solid #dce3e3; border-radius: 3px; background: #fff; color: #3c4955; font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .case { display: grid; grid-template-columns: minmax(0, .92fr) 1.08fr; gap: 18px; align-items: center; padding: 14px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .case-image { overflow: hidden; background: #f4f0e7; }
    .case-image img { display: block; width: 100%; height: auto; max-width: 100%; object-fit: contain; }
    .case h3 { margin: 0 0 6px; font-size: 16px; }
    .case p { margin: 0; color: var(--muted); font-size: 13px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote { padding: 19px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .quote blockquote { margin: 0; color: #3e4853; font-size: 14px; }
    .quote footer { margin-top: 14px; color: #707983; font-size: 12px; font-weight: 700; }
    .stars { margin-bottom: 8px; color: #c27a0c; letter-spacing: 0; }
    .score-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 28px; align-items: start; }
    .score-box { padding: 25px; background: #fff1c2; border: 1px solid #ecd98f; }
    .score-box .score { margin: 7px 0; color: #a34d30; font-size: 52px; line-height: 1; font-weight: 850; }
    .score-box p { margin: 8px 0 0; color: #59616a; font-size: 13px; }
    .comparison-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 640px; border-collapse: collapse; text-align: left; }
    th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 13px; }
    th { background: #f1f5f1; color: #283540; }
    td:first-child { font-weight: 700; }
    .good { color: #23734e; font-weight: 750; }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 92px; display: flex; flex-direction: column; justify-content: space-between; padding: 15px; border: 1px solid var(--line); background: #fff; }
    .article-link strong { font-size: 14px; }
    .article-link span { color: var(--muted); font-size: 12px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 30px 17px 0; cursor: pointer; list-style: none; font-weight: 700; font-size: 14px; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; right: 2px; top: 14px; color: #c95637; font-size: 21px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { margin: -3px 0 16px; color: var(--muted); font-size: 13px; }
    .form-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 40px; align-items: start; }
    .contact-details p { color: var(--muted); }
    .contact-details a { color: #a8462e; font-weight: 700; }
    .contact-list { display: grid; gap: 9px; margin-top: 20px; font-size: 14px; }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 22px; border: 1px solid var(--line); background: #fff; }
    .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; border: 1px solid #d8dddf; border-radius: 3px; background: #fff; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #de8167; box-shadow: 0 0 0 3px rgba(243,107,69,.12); }
    .field textarea { min-height: 112px; resize: vertical; }
    .contact-form .button { justify-self: start; }
    .footer { background: #edf1ec; color: #26313b; border-top: 1px solid #dce2dd; }
    .footer-main { display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; padding-top: 30px; padding-bottom: 24px; }
    .footer p { margin: 8px 0; color: #56616b; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 17px; align-content: start; }
    .footer-links a { color: #34424e; font-size: 13px; }
    .footer-links a:hover { color: #bd4d32; }
    .copyright { padding: 13px 0; border-top: 1px solid #d7ddd8; color: #5d6770; font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a, .back-top { display: grid; place-items: center; width: 48px; height: 48px; border: 0; border-radius: 5px; background: var(--navy); color: #fff; font-size: 12px; font-weight: 750; box-shadow: 0 5px 16px rgba(25,38,50,.2); cursor: pointer; }
    .float-contact a:first-child { background: var(--orange); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 920px) {
      .nav-row { min-height: 68px; }
      .menu-toggle { display: inline-grid; place-items: center; flex: 0 0 auto; }
      .nav-cta { margin-left: auto; }
      .nav-links { display: none; position: absolute; left: 0; right: 0; top: 100%; padding: 10px 20px 16px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 18px rgba(32,39,49,.06); }
      .nav-links.open { display: grid; grid-template-columns: repeat(3, 1fr); }
      .nav-links a { padding: 10px; }
      .hero-inner { grid-template-columns: 1fr .8fr; gap: 20px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 650px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .brand img { width: 98px; }
      .nav-cta { min-height: 38px; padding: 0 12px; }
      .nav-links.open { grid-template-columns: repeat(2, 1fr); }
      .hero-inner { grid-template-columns: 1fr; padding-top: 46px; padding-bottom: 28px; }
      .hero-copy { font-size: 15px; }
      .hero-visual { min-height: 235px; }
      .orbit-board { min-height: 220px; width: min(100%, 360px); }
      .metrics { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .section { padding: 54px 0; }
      .section-head { display: block; }
      .section-head .text-link { display: inline-block; margin-top: 13px; }
      .intro-grid, .network, .score-layout, .form-layout, .footer-main { grid-template-columns: 1fr; gap: 22px; }
      .capability-list { grid-template-columns: 1fr; }
      .service-grid, .review-grid, .faq-list { grid-template-columns: 1fr; }
      .service { min-height: auto; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 34px 14px; }
      .workflow article { padding-right: 6px; }
      .industry-grid { grid-template-columns: 1fr 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .contact-form { grid-template-columns: 1fr; padding: 16px; }
      .field.full { grid-column: auto; }
      .float-contact { right: 10px; bottom: 12px; }
      .float-contact a, .back-top { width: 42px; height: 42px; }
    }