:root {
      color-scheme: light;
      --ink: #24251f;
      --muted: #65665f;
      --paper: #fffaf4;
      --surface: #ffffff;
      --line: #eadfd2;
      --orange: #ed5b22;
      --orange-dark: #bc3c12;
      --gold: #f3b544;
      --green: #255f4b;
      --soft-orange: #fff0e4;
      --container: 1180px;
    }
    * { 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; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    img { display: block; 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(255,250,244,.96); border-bottom: 1px solid rgba(234,223,210,.9); backdrop-filter: blur(12px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 800; }
    .brand img { width: 42px; max-height: 42px; object-fit: contain; }
    .brand-name { font-size: 17px; line-height: 1.2; }
    .brand-name small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 600; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: wrap; }
    .nav-links a { padding: 10px 11px; color: #45443f; font-size: 13px; border-radius: 5px; transition: color .2s, background .2s; }
    .nav-links a:hover { color: var(--orange-dark); background: var(--soft-orange); }
    .nav-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 17px; border-radius: 4px; background: var(--orange); color: #fff; font-size: 13px; font-weight: 750; transition: transform .2s, background .2s; white-space: nowrap; }
    .nav-cta:hover, .button-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--surface); border-radius: 4px; color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 82px 0 50px; background: #fff4e9; border-bottom: 1px solid #f1ddca; }
    .hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .32; background-image: linear-gradient(90deg, transparent 49.8%, rgba(200,88,37,.12) 50%, transparent 50.2%), linear-gradient(transparent 49.8%, rgba(200,88,37,.12) 50%, transparent 50.2%); background-size: 66px 66px; mask-image: linear-gradient(90deg, transparent, #000 55%, #000); }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(270px, .8fr); align-items: center; gap: 52px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--orange-dark); font-size: 12px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 25px; height: 2px; background: var(--orange); }
    h1 { max-width: 720px; margin: 16px 0 18px; font-size: clamp(38px, 5vw, 64px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 620px; margin: 0; color: #56554f; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
    .button-primary, .button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 23px; border: 1px solid transparent; border-radius: 4px; font-weight: 750; transition: transform .2s, background .2s, border-color .2s; }
    .button-primary { background: var(--orange); color: #fff; }
    .button-secondary { border-color: #d9c6b4; background: rgba(255,255,255,.66); color: var(--ink); }
    .button-secondary:hover { border-color: var(--orange); transform: translateY(-2px); }
    .hero-note { margin: 17px 0 0; color: #77716a; font-size: 12px; }
    .hero-visual { position: relative; padding: 12px 0 12px 16px; }
    .orbit-panel { position: relative; padding: 25px; border: 1px solid #eac9ac; background: #fffaf4; box-shadow: 12px 12px 0 #f6d5b8; }
    .orbit-panel::before { content: ""; position: absolute; top: -9px; right: -9px; width: 48px; height: 48px; border-top: 3px solid var(--orange); border-right: 3px solid var(--orange); }
    .orbit-top { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
    .orbit-top strong { color: var(--ink); }
    .model-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 19px; }
    .model-chip { min-height: 52px; display: grid; place-items: center; border: 1px solid #f0e3d5; background: #fff; color: #3f403a; font-size: 12px; font-weight: 700; }
    .model-chip:nth-child(3n+1) { border-bottom: 2px solid var(--orange); }
    .orbit-caption { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
    .stats-strip { position: relative; padding: 22px 0; background: #fff; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .stat { padding: 8px 18px; border-left: 2px solid var(--orange); }
    .stat strong { display: block; color: var(--orange-dark); font-size: 21px; line-height: 1.3; }
    .stat span { color: var(--muted); font-size: 12px; }
    main { overflow: hidden; }
    .section { padding: 76px 0; }
    .section-tint { background: #fff4e9; }
    .section-green { background: #edf4ef; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 730px; }
    .section-kicker { margin: 0 0 8px; color: var(--orange-dark); font-size: 12px; font-weight: 800; }
    h2 { margin: 0; font-size: clamp(27px, 3vw, 39px); line-height: 1.2; letter-spacing: 0; }
    .section-intro { max-width: 690px; margin: 12px 0 0; color: var(--muted); }
    .text-link { color: var(--orange-dark); font-size: 14px; font-weight: 750; white-space: nowrap; }
    .intro-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
    .intro-copy p { color: #55564f; }
    .intro-copy p:first-of-type { margin-top: 15px; }
    .check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; padding: 0; margin: 22px 0 0; list-style: none; }
    .check-list li { position: relative; padding-left: 23px; color: #45463f; font-size: 14px; }
    .check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }
    .intro-art { padding: 12px; border: 1px solid #e7d5c4; background: #fff; }
    .intro-art img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 26px; border-top: 1px solid var(--line); }
    .capability { padding: 23px 0 25px; border-bottom: 1px solid var(--line); transition: transform .2s; }
    .capability:hover { transform: translateY(-3px); }
    .capability-no { color: var(--orange); font-size: 12px; font-weight: 800; }
    .capability h3 { margin: 7px 0 7px; font-size: 18px; }
    .capability p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-band { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 32px 0; border-top: 1px solid #e8d8c8; }
    .service-band:first-of-type { border-top: 0; padding-top: 0; }
    .service-band:nth-child(even) .service-copy { order: 2; }
    .service-copy h3 { margin: 0 0 10px; font-size: 24px; }
    .service-copy p { margin: 0; color: var(--muted); }
    .service-visual { padding: 10px; border: 1px solid #ead9c7; background: #fff; }
    .service-visual img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .tag-list span { padding: 5px 9px; border: 1px solid #ecd4c1; color: #6a4733; font-size: 11px; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .workflow-item { position: relative; padding: 20px 23px 20px 0; border-top: 2px solid #e4c4a7; counter-increment: step; }
    .workflow-item::before { content: "0" counter(step); display: inline-grid; place-items: center; width: 35px; height: 35px; margin-top: -39px; border-radius: 50%; background: var(--orange); color: #fff; font-size: 11px; font-weight: 800; }
    .workflow-item h3 { margin: 13px 0 6px; font-size: 16px; }
    .workflow-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #e8d9cb; border: 1px solid #e8d9cb; }
    .industry-item { min-height: 137px; padding: 19px; background: #fffaf4; }
    .industry-item h3 { margin: 0 0 7px; font-size: 16px; }
    .industry-item p { margin: 0; color: var(--muted); font-size: 12px; }
    .network-row { display: flex; flex-wrap: wrap; gap: 9px; }
    .network-row span { padding: 9px 12px; border: 1px solid #d6e3d9; background: #fff; color: #315944; font-size: 13px; }
    .compare-wrap { overflow-x: auto; border: 1px solid #e8d6c5; background: #fff; }
    .compare-table { width: 100%; min-width: 690px; border-collapse: collapse; text-align: left; }
    .compare-table th, .compare-table td { padding: 15px 17px; border-bottom: 1px solid #eee6de; vertical-align: top; }
    .compare-table th { background: #fff0e4; color: #64381f; font-size: 13px; }
    .compare-table td { color: #4b4b45; font-size: 13px; }
    .compare-table tr:last-child td { border-bottom: 0; }
    .score-panel { display: flex; align-items: center; gap: 18px; margin-bottom: 19px; padding: 19px 22px; background: #255f4b; color: #fff; }
    .score-number { font-size: 39px; font-weight: 850; line-height: 1; }
    .score-details strong { display: block; }
    .score-details span { color: #e3f1e8; font-size: 13px; }
    .stars { color: #ffd072; letter-spacing: 0; }
    .case-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
    .case-feature { padding: 25px; background: #fff; border-left: 3px solid var(--orange); }
    .case-feature h3 { margin: 0 0 9px; font-size: 19px; }
    .case-feature p { margin: 0; color: var(--muted); font-size: 14px; }
    .case-image { margin-top: 17px; }
    .case-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
    .case-caption { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid #e8d9cb; background: #e8d9cb; }
    .review { min-height: 166px; padding: 19px; background: #fff; }
    .review p { margin: 0 0 15px; color: #454640; font-size: 14px; }
    .review strong { font-size: 12px; }
    .review span { display: block; color: var(--muted); font-size: 11px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 44px 17px 0; cursor: pointer; list-style: none; font-weight: 750; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; position: absolute; top: 13px; right: 7px; color: var(--orange-dark); font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-answer { max-width: 850px; padding: 0 25px 17px 0; color: var(--muted); font-size: 14px; }
    .article-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .article-link { min-height: 106px; display: flex; align-items: end; padding: 15px; border: 1px solid #ead8c7; background: #fff; color: #34352f; font-size: 14px; font-weight: 700; transition: border-color .2s, transform .2s; }
    .article-link:hover { border-color: var(--orange); transform: translateY(-3px); }
    .article-embed { margin-top: 20px; padding: 14px; border-left: 2px solid var(--orange); color: var(--muted); font-size: 13px; }
    .article-embed a { margin-right: 12px; color: var(--orange-dark); }
    .contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 44px; align-items: start; }
    .contact-copy h3 { margin: 0 0 11px; font-size: 24px; }
    .contact-copy > p { color: var(--muted); }
    .contact-details { display: grid; gap: 9px; margin: 22px 0; color: #40413b; font-size: 14px; }
    .contact-details a { color: var(--orange-dark); }
    .qr-box { display: flex; align-items: center; gap: 15px; max-width: 330px; padding: 12px; border: 1px solid var(--line); background: #fff; }
    .qr-box img { width: 88px; aspect-ratio: 1; object-fit: contain; }
    .qr-box span { color: var(--muted); font-size: 12px; }
    .lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 23px; border: 1px solid #e5d3c2; background: #fff; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #45463f; font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-width: 0; padding: 11px 12px; border: 1px solid #dcd5cc; border-radius: 3px; background: #fffdfb; color: var(--ink); outline: none; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(237,91,34,.11); }
    .field textarea { min-height: 108px; resize: vertical; }
    .form-submit { grid-column: 1 / -1; min-height: 48px; border: 0; border-radius: 3px; background: var(--orange); color: #fff; font-weight: 800; cursor: pointer; transition: background .2s, transform .2s; }
    .form-submit:hover { background: var(--orange-dark); transform: translateY(-2px); }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; border-top: 1px solid var(--line); }
    .join-band h3 { margin: 0; font-size: 19px; }
    .join-band p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
    .site-footer { padding: 29px 0 22px; background: #fff; color: #34352f; border-top: 1px solid var(--line); }
    .footer-top { display: flex; align-items: start; justify-content: space-between; gap: 30px; }
    .footer-brand p { max-width: 430px; margin: 10px 0 0; color: #66665f; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px 17px; max-width: 570px; }
    .footer-links a { color: #4c4c45; font-size: 12px; }
    .footer-links a:hover { color: var(--orange-dark); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 22px; padding-top: 13px; border-top: 1px solid #eee7df; color: #77766e; font-size: 11px; }
    .floating-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .float-link, .back-top { display: grid; place-items: center; min-width: 48px; min-height: 44px; padding: 0 10px; border: 1px solid #e6d8ca; background: #fff; color: #4b443d; box-shadow: 0 5px 18px rgba(68,46,28,.1); font-size: 11px; font-weight: 750; }
    .float-link:hover, .back-top:hover { color: var(--orange-dark); border-color: var(--orange); }
    .back-top { display: none; cursor: pointer; }
    .back-top.visible { display: grid; }
    .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: 980px) {
      .nav-links { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 12px 20px 18px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-links.open { display: grid; grid-template-columns: repeat(3, 1fr); }
      .nav-links a { text-align: center; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-cta { margin-left: auto; }
      .hero-inner { gap: 28px; }
      .industry-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .nav-row { min-height: 66px; gap: 10px; }
      .brand img { width: 36px; max-height: 36px; }
      .brand-name { font-size: 15px; }
      .brand-name small { display: none; }
      .nav-cta { min-height: 38px; padding: 0 11px; font-size: 12px; }
      .nav-links { top: 66px; }
      .nav-links.open { grid-template-columns: repeat(2, 1fr); }
      .hero { padding: 56px 0 32px; }
      .hero-inner { grid-template-columns: 1fr; gap: 29px; }
      h1 { font-size: 42px; }
      .hero-copy { font-size: 15px; }
      .hero-visual { max-width: 440px; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 13px 9px; }
      .stat { padding-left: 12px; }
      .section { padding: 55px 0; }
      .section-head { display: block; margin-bottom: 23px; }
      .section-head .text-link { display: inline-block; margin-top: 12px; }
      .intro-layout, .service-band, .case-layout, .contact-layout { grid-template-columns: 1fr; gap: 24px; }
      .service-band:nth-child(even) .service-copy { order: initial; }
      .capability-grid { grid-template-columns: repeat(2, 1fr); gap: 0 17px; }
      .check-list { grid-template-columns: 1fr; }
      .workflow { grid-template-columns: repeat(2, 1fr); gap: 14px 18px; row-gap: 27px; }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-item { min-height: 125px; padding: 14px; }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .article-row { grid-template-columns: repeat(2, 1fr); }
      .article-link { min-height: 88px; }
      .footer-top, .footer-bottom { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
      .lead-form { padding: 16px; }
      .join-band { align-items: flex-start; flex-direction: column; }
      .floating-contact { right: 9px; bottom: 10px; }
      .float-link, .back-top { min-width: 42px; min-height: 40px; padding: 0 7px; }
    }
    @media (max-width: 420px) {
      .hero-actions { align-items: stretch; flex-direction: column; }
      .hero-actions a { width: 100%; }
      .orbit-panel { padding: 18px; }
      .model-grid { gap: 6px; }
      .model-chip { min-height: 45px; font-size: 11px; }
      .review-grid { grid-template-columns: 1fr; }
      .field:not(.full) { grid-column: 1 / -1; }
    }