:root {
      color-scheme: light;
      --ink: #30211f;
      --muted: #75635e;
      --red: #c72d30;
      --red-dark: #9e2025;
      --coral: #f06b57;
      --cream: #fffaf7;
      --paper: #ffffff;
      --line: #f0e4df;
      --blush: #fff0eb;
      --gold: #e3aa59;
      --container: 1160px;
      --shadow: 0 18px 48px rgba(109, 39, 34, .09);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      background:
        radial-gradient(ellipse at 95% 8%, rgba(255, 220, 204, .35), transparent 28rem),
        linear-gradient(180deg, #fffaf7 0%, #fffdfa 52%, #fff8f4 100%);
      color: var(--ink);
      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 { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid rgba(224, 203, 194, .7);
      background: rgba(255, 250, 247, .94);
      backdrop-filter: blur(14px);
    }
    .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; }
    .ai-page-logo { display: block; width: 42px; max-width: 100%; height: auto; border-radius: 12px; }
    .brand-name { font-size: 17px; font-weight: 800; letter-spacing: .03em; }
    .brand-sub { display: block; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: .08em; line-height: 1.3; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; flex-wrap: nowrap; }
    .nav-links > a { padding: 10px 11px; color: #594744; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links > a:hover { color: var(--red); }
    .nav-links .nav-cta { margin-left: 9px; padding: 10px 17px; border-radius: 999px; background: var(--red); color: #fff; font-weight: 700; }
    .nav-links .nav-cta:hover { background: var(--red-dark); color: #fff; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); cursor: pointer; }
    .hero { position: relative; overflow: hidden; padding: 82px 0 62px; }
    .hero::before, .hero::after { position: absolute; z-index: 0; content: ""; pointer-events: none; }
    .hero::before { width: 330px; height: 330px; right: -95px; top: 35px; border: 1px solid rgba(199, 45, 48, .12); border-radius: 50%; box-shadow: 0 0 0 32px rgba(199,45,48,.025), 0 0 0 66px rgba(199,45,48,.018); }
    .hero::after { width: 14px; height: 14px; right: 18%; top: 24%; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 10px rgba(227,170,89,.14); }
    .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr); align-items: center; gap: 54px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--red); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
    .eyebrow::before { width: 24px; height: 2px; background: var(--coral); content: ""; }
    h1 { max-width: 720px; margin: 17px 0 18px; font-size: clamp(38px, 5.5vw, 66px); line-height: 1.12; letter-spacing: -.055em; }
    h1 span { color: var(--red); }
    .hero-copy { max-width: 660px; margin: 0; color: #685650; font-size: 17px; }
    .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 21px; border: 1px solid transparent; border-radius: 12px; font-size: 14px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); }
    .button-primary { background: var(--red); color: #fff; box-shadow: 0 9px 22px rgba(199,45,48,.19); }
    .button-primary:hover { background: var(--red-dark); box-shadow: 0 12px 25px rgba(199,45,48,.23); }
    .button-secondary { border-color: #e8d5ce; background: rgba(255,255,255,.72); color: var(--ink); }
    .button-secondary:hover { border-color: var(--coral); background: #fff; }
    .hero-note { margin: 18px 0 0; color: #887772; font-size: 12px; }
    .hero-panel { position: relative; padding: 26px; border: 1px solid rgba(231, 207, 195, .8); border-radius: 24px; background: rgba(255,255,255,.78); box-shadow: var(--shadow); }
    .hero-panel::before { position: absolute; top: -8px; left: 26px; width: 48px; height: 4px; border-radius: 4px; background: var(--coral); content: ""; }
    .panel-label { margin: 0 0 15px; color: var(--muted); font-size: 12px; font-weight: 700; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 7px 10px; border: 1px solid #f1dfd9; border-radius: 9px; background: #fffaf8; color: #513d38; font-size: 12px; }
    .panel-divider { height: 1px; margin: 20px 0 16px; background: var(--line); }
    .panel-bottom { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
    .panel-bottom strong { display: block; font-size: 14px; }
    .panel-bottom small { display: block; color: var(--muted); font-size: 11px; }
    .spark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 13px; background: var(--blush); color: var(--red); font-size: 22px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 8px 0 34px; }
    .metric { padding: 19px 20px; border-left: 2px solid #e7a59a; background: rgba(255,255,255,.53); }
    .metric strong { display: block; color: var(--red-dark); font-size: 20px; line-height: 1.25; }
    .metric span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { border-block: 1px solid rgba(238,223,215,.75); background: rgba(255,241,235,.48); }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 760px; }
    .kicker { margin: 0 0 8px; color: var(--red); font-size: 11px; font-weight: 800; letter-spacing: .15em; }
    h2 { margin: 0; font-size: clamp(27px, 3.5vw, 40px); line-height: 1.22; letter-spacing: -.035em; }
    .section-intro { max-width: 660px; margin: 11px 0 0; color: var(--muted); font-size: 14px; }
    .text-link { color: var(--red-dark); font-size: 13px; font-weight: 750; white-space: nowrap; }
    .text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
    .about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; }
    .about-copy p { color: var(--muted); }
    .about-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 22px; }
    .about-point { padding: 15px; border-radius: 12px; background: #fff; }
    .about-point strong { display: block; font-size: 14px; }
    .about-point span { color: var(--muted); font-size: 12px; }
    .image-frame { overflow: hidden; border-radius: 22px; background: #f6e8e1; box-shadow: var(--shadow); }
    .image-frame img, .case-image img, .square-image img { display: block; width: 100%; height: auto; object-fit: cover; }
    .image-frame img { aspect-ratio: 1.6 / 1; }
    .service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
    .service-card { min-height: 172px; padding: 20px; border: 1px solid var(--line); border-radius: 16px 16px 16px 5px; background: #fff; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
    .service-card:hover { transform: translateY(-4px); border-color: #e9b8ad; box-shadow: 0 14px 30px rgba(109,39,34,.08); }
    .service-icon { display: grid; width: 36px; height: 36px; place-items: center; margin-bottom: 13px; border-radius: 11px; background: var(--blush); color: var(--red); font-size: 16px; font-weight: 800; }
    .service-card h3, .mini-card h3 { margin: 0 0 7px; font-size: 16px; }
    .service-card p, .mini-card p { margin: 0; color: var(--muted); font-size: 12px; }
    .showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
    .case-image img { aspect-ratio: 1.85 / 1; }
    .case-body { padding: 20px; }
    .case-body h3 { margin: 0 0 7px; font-size: 18px; }
    .case-body p { margin: 0; color: var(--muted); font-size: 13px; }
    .pill-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
    .pill { padding: 5px 9px; border-radius: 999px; background: #fff1eb; color: #8f3630; font-size: 11px; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: steps; }
    .step { position: relative; padding: 5px 24px 5px 0; counter-increment: steps; }
    .step:not(:last-child)::after { position: absolute; top: 23px; right: 14px; width: 25%; height: 1px; background: #dfb8aa; content: ""; }
    .step-number { display: grid; width: 45px; height: 45px; place-items: center; margin-bottom: 15px; border: 1px solid #e8c8bd; border-radius: 50%; background: #fff; color: var(--red); font-size: 13px; font-weight: 800; }
    .step-number::before { content: "0" counter(steps); }
    .step h3 { margin: 0 0 6px; font-size: 15px; }
    .step p { margin: 0; color: var(--muted); font-size: 12px; }
    .industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .mini-card { padding: 20px; border-radius: 16px; background: #fff; }
    .mini-card .mini-index { display: block; margin-bottom: 11px; color: #d08e77; font-size: 11px; font-weight: 800; letter-spacing: .1em; }
    .platform-strip { display: flex; flex-wrap: wrap; gap: 9px; }
    .platform-strip span { padding: 8px 12px; border: 1px solid #edddd6; border-radius: 8px; background: rgba(255,255,255,.8); color: #594642; font-size: 12px; }
    .service-network { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: center; }
    .network-copy { padding: 26px; border-radius: 20px; background: #fff; }
    .network-copy p { color: var(--muted); }
    .network-list { display: grid; gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
    .network-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; }
    .network-list li::before { flex: 0 0 8px; width: 8px; height: 8px; margin-top: 8px; border-radius: 50%; background: var(--coral); content: ""; }
    .network-aside { padding: 25px; border-radius: 20px; background: #8f2528; color: #fff; }
    .network-aside h3 { margin: 0 0 10px; font-size: 21px; }
    .network-aside p { margin: 0; color: #ffe7df; font-size: 13px; }
    .network-aside a { display: inline-flex; margin-top: 17px; color: #fff; font-weight: 750; text-decoration: underline; text-underline-offset: 4px; }
    .comparison-wrap { overflow: hidden; border: 1px solid #efddd6; border-radius: 18px; background: #fff; box-shadow: 0 12px 32px rgba(109,39,34,.05); }
    .rating-banner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 26px; background: linear-gradient(110deg, #fff0e9, #fff9f4); }
    .rating-banner h3 { margin: 0; font-size: 17px; }
    .rating-banner p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
    .rating-score { color: var(--red-dark); font-size: 31px; font-weight: 850; white-space: nowrap; }
    .rating-score span { color: var(--muted); font-size: 13px; font-weight: 600; }
    .table-scroll { overflow-x: auto; }
    table { width: 100%; min-width: 650px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 18px; border-top: 1px solid #f2e7e2; font-size: 12px; vertical-align: top; }
    th { background: #fffaf8; color: #67534d; font-size: 11px; }
    td:first-child { width: 22%; font-weight: 750; }
    .rating-stars { color: #bd6a22; letter-spacing: .12em; }
    .token-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: center; }
    .token-callout { padding: 25px; border: 1px solid #f0d9cd; border-radius: 18px; background: #fff; }
    .token-callout strong { display: block; margin-bottom: 8px; color: var(--red-dark); font-size: 18px; }
    .token-callout p { margin: 0; color: var(--muted); font-size: 13px; }
    .token-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
    .token-item { padding: 16px; border-left: 2px solid #e2a28e; background: rgba(255,255,255,.7); }
    .token-item strong { display: block; font-size: 13px; }
    .token-item span { color: var(--muted); font-size: 11px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
    .review { padding: 19px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
    .review blockquote { margin: 0; color: #55433e; font-size: 13px; }
    .review cite { display: block; margin-top: 13px; color: var(--red-dark); font-size: 11px; font-style: normal; font-weight: 750; }
    .faq-list { display: grid; gap: 9px; }
    .faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
    .faq-item summary { position: relative; padding: 16px 48px 16px 18px; cursor: pointer; font-size: 14px; font-weight: 750; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; top: 50%; right: 19px; color: var(--red); content: "+"; font-size: 21px; transform: translateY(-53%); transition: transform .2s ease; }
    .faq-item[open] summary::after { transform: translateY(-53%) rotate(45deg); }
    .faq-answer { padding: 0 18px 16px; color: var(--muted); font-size: 13px; }
    .faq-answer p { margin: 0; }
    .demand-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 32px; align-items: start; }
    .demand-copy { padding-top: 9px; }
    .demand-copy p { color: var(--muted); }
    .demand-copy .button { margin-top: 10px; }
    .request-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
    .field { display: grid; gap: 6px; }
    .field-wide { grid-column: 1 / -1; }
    .field label { font-size: 12px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #e8dcd7; border-radius: 9px; outline: none; background: #fffdfc; color: var(--ink); }
    .field textarea { min-height: 105px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #cb6c5f; box-shadow: 0 0 0 3px rgba(199,45,48,.08); }
    .form-note { grid-column: 1 / -1; margin: -5px 0 0; color: var(--muted); font-size: 11px; }
    .news-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 11px; }
    .news-item { display: flex; min-height: 112px; flex-direction: column; justify-content: space-between; padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: #fff; transition: transform .2s ease, border-color .2s ease; }
    .news-item:hover { transform: translateY(-3px); border-color: #e3aa9a; }
    .news-item span { color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
    .news-item strong { font-size: 13px; line-height: 1.45; }
    .links-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .links-cloud a { padding: 7px 11px; border: 1px solid #ecdcd5; border-radius: 999px; background: #fff; color: #66524c; font-size: 11px; }
    .links-cloud a:hover { border-color: #d58b7c; color: var(--red-dark); }
    .contact-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 28px; padding: 28px; border-radius: 20px; background: #fff; }
    .contact-panel h3 { margin: 0 0 8px; font-size: 20px; }
    .contact-panel p { margin: 4px 0; color: var(--muted); font-size: 13px; }
    .qr-wrap { width: 132px; padding: 8px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
    .qr-wrap img { display: block; width: 100%; height: auto; border-radius: 8px; }
    .site-footer { margin-top: 0; padding: 25px 0 28px; border-top: 1px solid #eadbd4; background: #fff7f2; color: #51403b; }
    .footer-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 17px; }
    .footer-links a { color: #594843; font-size: 12px; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 14px; margin-top: 17px; padding-top: 13px; border-top: 1px solid #eee1db; color: #76645e; font-size: 11px; }
    .floating-contact { position: fixed; right: 18px; bottom: 22px; z-index: 40; display: flex; flex-direction: column; gap: 8px; }
    .floating-contact a { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid #eddbd4; border-radius: 50%; background: #fff; color: var(--red-dark); box-shadow: 0 8px 24px rgba(63,34,28,.12); font-size: 11px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
    .floating-contact a:hover { transform: translateY(-3px); background: #fff1eb; }
    .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: 980px) {
      .nav-row { min-height: 68px; }
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-links { position: absolute; top: calc(100% + 1px); right: 20px; left: 20px; display: none; align-items: stretch; padding: 10px; border: 1px solid var(--line); border-radius: 14px; background: #fffdfa; box-shadow: var(--shadow); }
      .nav-links.is-open { display: flex; flex-direction: column; }
      .nav-links > a { padding: 10px 12px; }
      .nav-links .nav-cta { margin: 5px 0 0; text-align: center; }
      .hero-inner { gap: 30px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .news-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .hero { padding: 55px 0 36px; }
      .hero-inner, .about-grid, .service-network, .token-layout, .demand-grid { grid-template-columns: 1fr; }
      .hero-inner { gap: 28px; }
      .hero-panel { max-width: 520px; }
      .metrics { grid-template-columns: repeat(2, 1fr); gap: 8px; padding-bottom: 20px; }
      .metric { padding: 14px; }
      .section { padding: 54px 0; }
      .section-head { align-items: flex-start; flex-direction: column; gap: 12px; margin-bottom: 22px; }
      .showcase { grid-template-columns: 1fr; }
      .workflow { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
      .step:not(:last-child)::after { display: none; }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .news-list { grid-template-columns: repeat(2, 1fr); }
      .about-points { gap: 9px; }
      .contact-panel { grid-template-columns: 1fr auto; padding: 20px; }
      .footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; }
      .rating-banner { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 440px) {
      .brand-name { font-size: 15px; }
      .hero-copy { font-size: 15px; }
      .hero-actions { align-items: stretch; flex-direction: column; }
      .hero-actions .button { width: 100%; }
      .service-grid, .industry-grid, .review-grid, .token-items { grid-template-columns: 1fr; }
      .service-card { min-height: 0; }
      .request-form { grid-template-columns: 1fr; padding: 18px; }
      .field-wide, .form-note { grid-column: auto; }
      .contact-panel { grid-template-columns: 1fr; }
      .qr-wrap { width: 116px; }
      .floating-contact { right: 12px; bottom: 14px; }
      .floating-contact a { width: 44px; height: 44px; }
    }