:root {
      color-scheme: light;
      --ink: #29231f;
      --muted: #6e625c;
      --paper: #fffaf6;
      --surface: #ffffff;
      --line: #eaded5;
      --orange: #e85b21;
      --orange-deep: #bb3d12;
      --peach: #fff0e7;
      --green: #315d4a;
      --shadow: 0 12px 34px rgba(88, 49, 27, .08);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    img { display: block; max-width: 100%; height: auto; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    :focus-visible { outline: 3px solid #ef9b72; outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky; top: 0; z-index: 20;
      background: rgba(255, 250, 246, .96);
      border-bottom: 1px solid rgba(234, 222, 213, .85);
      backdrop-filter: blur(12px);
    }
    .header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .brand img { width: 38px; height: 38px; object-fit: contain; }
    .nav-wrap { display: flex; align-items: center; gap: 22px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 7px 8px; color: #514943; font-size: 12px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--orange-deep); }
    .nav-cta, .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 18px; border: 0; border-radius: 4px;
      background: var(--orange); color: #fff; font-weight: 700; cursor: pointer;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-cta { min-height: 38px; padding: 8px 14px; font-size: 13px; white-space: nowrap; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--orange-deep); box-shadow: 0 8px 18px rgba(200, 66, 20, .18); }
    .button.secondary { color: var(--ink); background: #fff; border: 1px solid var(--line); }
    .button.secondary:hover { background: var(--peach); box-shadow: none; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 48px; background: #fff4ec; border-bottom: 1px solid #f1dfd2; }
    .hero::before {
      position: absolute; content: ""; width: 360px; height: 360px; right: -100px; top: -170px;
      border: 1px solid rgba(232, 91, 33, .18); border-radius: 50%;
      box-shadow: 0 0 0 32px rgba(232, 91, 33, .035), 0 0 0 70px rgba(232, 91, 33, .025);
      pointer-events: none;
    }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: 48px; align-items: center; }
    .eyebrow { margin: 0 0 14px; color: var(--orange-deep); font-size: 12px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
    h1 { max-width: 700px; margin: 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin: 20px 0 26px; color: #5f534d; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 16px 0 0; color: var(--muted); font-size: 13px; }
    .hero-panel { padding: 24px; border-left: 3px solid var(--orange); background: #fff; box-shadow: var(--shadow); }
    .hero-panel h2 { margin: 0 0 14px; font-size: 17px; }
    .model-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-list span { padding: 5px 9px; border: 1px solid #f0ded2; border-radius: 2px; color: #514943; background: #fffaf7; font-size: 12px; }
    .hero-panel p { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
    .metric-strip { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 52px; border-top: 1px solid #ecd8ca; }
    .metric { padding: 18px 20px 0 0; }
    .metric + .metric { padding-left: 20px; border-left: 1px solid #ecd8ca; }
    .metric strong { display: block; color: var(--orange-deep); font-size: 21px; }
    .metric span { color: var(--muted); font-size: 12px; }
    main { overflow: clip; }
    .section { padding: 72px 0; }
    .section.tint { background: #fff3eb; }
    .section.green-tint { background: #edf3ee; }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-heading > div { max-width: 720px; }
    .section-heading h2 { margin: 0; font-size: 34px; line-height: 1.2; }
    .section-heading p { max-width: 650px; margin: 10px 0 0; color: var(--muted); }
    .section-kicker { display: block; margin-bottom: 8px; color: var(--orange-deep); font-size: 12px; font-weight: 800; }
    .text-link { color: var(--orange-deep); font-weight: 700; white-space: nowrap; }
    .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
    .intro-grid h3 { margin: 0 0 12px; font-size: 24px; }
    .intro-grid p { color: var(--muted); }
    .capability-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; padding: 0; margin: 22px 0 0; list-style: none; }
    .capability-list li { padding: 11px 0; border-bottom: 1px solid var(--line); color: #443b36; }
    .capability-list li::before { content: "＋"; margin-right: 9px; color: var(--orange); font-weight: 800; }
    .image-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
    .image-stack figure { margin: 0; overflow: hidden; background: #f4e7de; }
    .image-stack figure:first-child { grid-row: span 2; }
    .image-stack img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
    .image-stack figure:first-child img { aspect-ratio: 3 / 4; }
    .image-stack figcaption { padding: 9px 11px; color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .service-item { min-height: 158px; padding: 19px; border: 1px solid var(--line); border-top: 3px solid #f0a17b; background: var(--surface); transition: transform .2s ease, box-shadow .2s ease; }
    .service-item:hover, .quote:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
    .service-item h3 { margin: 0 0 7px; font-size: 16px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .all-services { margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--line); }
    .all-services h3 { margin: 0 0 13px; font-size: 16px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud span { padding: 6px 10px; color: #584c46; background: #f3e9e2; font-size: 12px; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .workflow article { position: relative; padding: 20px 22px 20px 0; border-top: 2px solid #e9c5b1; }
    .workflow article::before { counter-increment: step; content: "0" counter(step); display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; margin: -40px 0 16px; border: 2px solid var(--orange); border-radius: 50%; background: var(--paper); color: var(--orange-deep); 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; }
    .case-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
    .case-feature { padding: 24px; color: #fff; background: var(--green); }
    .case-feature h3 { margin: 0 0 10px; font-size: 22px; }
    .case-feature p { margin: 0; color: #e6efe9; }
    .case-feature .case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .case-tags span { padding: 5px 8px; border: 1px solid rgba(255,255,255,.35); font-size: 12px; }
    .case-list { display: grid; gap: 12px; }
    .case-row { padding: 17px 18px; border-left: 3px solid var(--orange); background: #fff; }
    .case-row strong { display: block; margin-bottom: 4px; }
    .case-row span { color: var(--muted); font-size: 13px; }
    .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .quote { padding: 20px; border: 1px solid var(--line); background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
    .quote p { margin: 0 0 15px; color: #453b36; font-size: 14px; }
    .quote cite { color: var(--muted); font-size: 12px; font-style: normal; }
    .review-layout { display: grid; grid-template-columns: 260px 1fr; gap: 26px; align-items: start; }
    .review-score { padding: 24px; color: #fff; background: var(--orange-deep); }
    .review-score span { display: block; font-size: 13px; }
    .review-score strong { display: block; margin: 4px 0; font-size: 48px; line-height: 1.1; }
    .stars { color: #ffe4aa; font-size: 20px; letter-spacing: 0; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 690px; border-collapse: collapse; text-align: left; }
    th, td { padding: 12px 14px; border-bottom: 1px solid #eee4dd; vertical-align: top; }
    th { color: #51443e; background: #fff5ee; font-size: 13px; }
    td { color: #514943; font-size: 13px; }
    tr:last-child td { border-bottom: 0; }
    .good { color: #236445; font-weight: 700; }
    .articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .article { display: flex; min-height: 150px; flex-direction: column; justify-content: space-between; padding: 18px; border-bottom: 2px solid #e9a17b; background: #fff; }
    .article small { color: var(--orange-deep); font-weight: 700; }
    .article strong { display: block; margin: 9px 0; font-size: 16px; }
    .article span { color: var(--muted); font-size: 12px; }
    .article:hover { background: #fff8f3; }
    .faq-list { max-width: 900px; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 36px 17px 0; cursor: pointer; font-weight: 700; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; right: 4px; content: "+"; color: var(--orange-deep); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 780px; margin: 0 0 18px; color: var(--muted); font-size: 14px; }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
    .contact-info h2 { margin: 0 0 12px; font-size: 32px; }
    .contact-info > p { color: var(--muted); }
    .contact-details { display: grid; gap: 9px; margin-top: 22px; }
    .contact-details a { color: var(--orange-deep); font-weight: 700; }
    .qr { display: flex; align-items: center; gap: 15px; margin-top: 20px; }
    .qr img { width: 108px; border: 1px solid var(--line); background: #fff; }
    .qr span { color: var(--muted); font-size: 13px; }
    .form-panel { padding: 24px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #514943; font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 11px; border: 1px solid #d9ccc3; border-radius: 2px; background: #fff; color: var(--ink); }
    .field textarea { min-height: 112px; resize: vertical; }
    .form-panel .button { width: 100%; margin-top: 16px; }
    .form-note { margin: 10px 0 0; color: var(--muted); font-size: 12px; }
    .site-footer { color: #413a35; background: #f2e9e3; border-top: 1px solid #e6d8ce; }
    .footer-main { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding: 28px 0 20px; }
    .footer-main p { margin: 8px 0 0; color: #625750; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; align-content: start; justify-content: flex-end; gap: 8px 18px; }
    .footer-links a { color: #51443e; font-size: 13px; }
    .footer-links a:hover { color: var(--orange-deep); }
    .copyright { padding: 13px 0 18px; border-top: 1px solid #dfd2c9; color: #71645c; font-size: 12px; }
    .floating-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating-contact a { display: grid; width: 46px; height: 46px; place-items: center; border: 1px solid #f0c5ae; border-radius: 50%; color: var(--orange-deep); background: #fff; box-shadow: var(--shadow); font-size: 12px; font-weight: 800; }
    .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; transition-duration: .01ms !important; animation-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 960px) {
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-wrap { gap: 10px; }
      .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 12px 20px 18px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 18px rgba(60, 40, 30, .08); }
      .nav-links.open { display: grid; grid-template-columns: repeat(3, 1fr); }
      .nav-links a { padding: 9px 6px; }
      .service-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .hero { padding: 52px 0 30px; }
      .hero-inner, .intro-grid, .case-grid, .contact-grid, .review-layout { grid-template-columns: 1fr; }
      .hero-inner { gap: 28px; }
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .metric-strip { grid-template-columns: repeat(2, 1fr); row-gap: 15px; margin-top: 34px; }
      .metric:nth-child(3) { padding-left: 0; border-left: 0; }
      .section { padding: 52px 0; }
      .section-heading { display: block; margin-bottom: 23px; }
      .section-heading h2 { font-size: 28px; }
      .section-heading .text-link { display: inline-block; margin-top: 12px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .service-item { min-height: 0; padding: 15px; }
      .workflow { grid-template-columns: repeat(2, 1fr); row-gap: 30px; padding-top: 10px; }
      .workflow article { padding-right: 14px; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .articles { grid-template-columns: 1fr; }
      .article { min-height: 118px; }
      .footer-main { grid-template-columns: 1fr; }
      .footer-links { justify-content: flex-start; }
      .image-stack { max-width: 520px; }
      .form-panel { padding: 18px; }
    }
    @media (max-width: 420px) {
      .nav-cta { padding-inline: 10px; font-size: 12px; }
      .nav-links.open { grid-template-columns: repeat(2, 1fr); }
      .hero-actions .button { width: 100%; }
      .service-grid { grid-template-columns: 1fr; }
      .capability-list { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .floating-contact { right: 10px; bottom: 12px; }
    }