:root {
      color-scheme: light;
      --ink: #28231f;
      --muted: #71675f;
      --paper: #fffaf5;
      --surface: #ffffff;
      --line: #eaded2;
      --orange: #ed5c22;
      --orange-deep: #c93f13;
      --peach: #fff0e3;
      --gold: #f6a72c;
      --container: 1160px;
      --shadow: 0 18px 48px rgba(93, 51, 24, .09);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    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;
    }
    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: 30;
      background: rgba(255, 250, 245, .94);
      border-bottom: 1px solid rgba(234, 222, 210, .8);
      backdrop-filter: blur(14px);
    }
    .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; font-size: 19px; font-weight: 800; letter-spacing: -.04em; white-space: nowrap; }
    .brand-mark {
      display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px;
      color: white; background: linear-gradient(145deg, #ff8b34, #df4318); box-shadow: 0 7px 16px rgba(225, 80, 26, .2);
      font-size: 15px;
    }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { color: #554a42; font-size: 13px; padding: 9px 10px; border-radius: 8px; transition: color .2s, background .2s; }
    .nav-links a:hover { color: var(--orange-deep); background: #fff0e4; }
    .nav-cta, .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; cursor: pointer;
      border-radius: 999px; padding: 12px 20px; color: #fff; background: var(--orange); font-weight: 700;
      box-shadow: 0 8px 18px rgba(207, 70, 23, .18); transition: transform .2s, box-shadow .2s, background .2s;
    }
    .nav-cta { font-size: 13px; white-space: nowrap; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--orange-deep); box-shadow: 0 12px 25px rgba(207, 70, 23, .25); }
    .button.secondary { color: var(--ink); background: #fff; border: 1px solid var(--line); box-shadow: none; }
    .button.secondary:hover { color: var(--orange-deep); border-color: #edb28d; background: #fff9f3; }
    .menu-toggle { display: none; border: 1px solid var(--line); border-radius: 12px; background: #fff; padding: 9px 11px; color: var(--ink); }
    .hero {
      position: relative; overflow: hidden; padding: 74px 0 62px;
      background: radial-gradient(ellipse at 82% 13%, rgba(255, 173, 83, .25), transparent 34%),
                  radial-gradient(ellipse at 8% 88%, rgba(237, 92, 34, .09), transparent 34%),
                  linear-gradient(135deg, #fffaf5 0%, #fff3e7 54%, #fff9f1 100%);
      border-bottom: 1px solid #f0dfcf;
    }
    .hero::before, .hero::after { content: ""; position: absolute; border: 1px solid rgba(226, 107, 42, .13); border-radius: 50%; pointer-events: none; }
    .hero::before { width: 370px; height: 370px; right: -135px; top: -180px; }
    .hero::after { width: 245px; height: 245px; right: -73px; top: -118px; }
    .hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr); gap: 46px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--orange-deep); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--orange); }
    h1 { max-width: 720px; margin: 17px 0 18px; font-size: clamp(38px, 6vw, 66px); line-height: 1.12; letter-spacing: -.055em; }
    h1 em { color: var(--orange); font-style: normal; }
    .hero-copy { max-width: 650px; margin: 0; color: #665b53; font-size: 17px; }
    .hero-actions { display: flex; align-items: center; gap: 13px; flex-wrap: wrap; margin-top: 28px; }
    .hero-note { display: flex; align-items: center; gap: 10px; margin-top: 23px; color: #71675f; font-size: 13px; }
    .note-dot { width: 7px; height: 7px; border-radius: 50%; background: #58a36b; box-shadow: 0 0 0 5px rgba(88, 163, 107, .12); }
    .hero-panel {
      position: relative; padding: 23px; border: 1px solid rgba(219, 159, 113, .55); border-radius: 25px;
      background: rgba(255, 255, 255, .76); box-shadow: 0 24px 50px rgba(122, 68, 31, .1);
      animation: float-in 700ms ease-out both;
    }
    .panel-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 17px; border-bottom: 1px solid #f0e5db; }
    .panel-head strong { font-size: 14px; }
    .panel-chip { padding: 5px 9px; border-radius: 999px; color: #9a4b21; background: #fff0e4; font-size: 11px; font-weight: 700; }
    .model-list { display: grid; gap: 11px; padding-top: 16px; }
    .model-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 12px; border-radius: 13px; background: #fff9f3; }
    .model-name { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; }
    .model-icon { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 10px; color: #b44b1f; background: #ffe8d4; font-size: 12px; font-weight: 800; }
    .model-type { color: #81756d; font-size: 11px; }
    .panel-foot { margin: 15px 2px 0; color: #7a6c62; font-size: 12px; }
    .proof-strip { background: #fff; border-bottom: 1px solid var(--line); }
    .proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 18px 0; }
    .proof-item { padding: 3px 20px; border-right: 1px solid var(--line); }
    .proof-item:first-child { padding-left: 0; }
    .proof-item:last-child { border-right: 0; }
    .proof-item strong { display: block; font-size: 15px; }
    .proof-item span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section.alt { background: #fff4e9; border-block: 1px solid #f1dfce; }
    .section-heading { max-width: 720px; margin-bottom: 31px; }
    .section-heading.center { margin-inline: auto; text-align: center; }
    .section-heading .eyebrow { margin-bottom: 8px; }
    h2 { margin: 0 0 11px; font-size: clamp(28px, 4vw, 42px); line-height: 1.2; letter-spacing: -.04em; }
    .section-heading p { margin: 0; color: var(--muted); }
    h3 { margin: 0 0 8px; font-size: 18px; line-height: 1.35; }
    .lead { font-size: 16px; color: #5f554e; }
    .about-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 45px; }
    .about-copy p { color: #665b53; }
    .logo-frame { display: inline-flex; align-items: center; justify-content: center; width: 190px; min-height: 76px; padding: 12px 18px; border: 1px solid var(--line); border-radius: 15px; background: white; }
    .ai-page-logo { max-width: 100%; height: auto; max-height: 48px; }
    .about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
    .about-point { padding: 14px; border-left: 3px solid var(--orange); background: #fff; border-radius: 0 12px 12px 0; }
    .about-point strong { display: block; font-size: 14px; }
    .about-point span { color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .service-card { position: relative; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); transition: transform .22s, box-shadow .22s, border-color .22s; }
    .service-card:hover, .case-card:hover, .review:hover { transform: translateY(-4px); border-color: #e6b18b; box-shadow: var(--shadow); }
    .service-symbol { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 17px; border-radius: 13px; color: var(--orange-deep); background: #fff0e4; font-size: 14px; font-weight: 800; }
    .service-card p { min-height: 48px; margin: 0; color: var(--muted); font-size: 13px; }
    .tag-row { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 15px; }
    .tag { padding: 5px 9px; border: 1px solid #f0dfd1; border-radius: 999px; color: #755b49; background: #fffaf6; font-size: 11px; }
    .showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .showcase figure { margin: 0; overflow: hidden; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
    .showcase figure img { display: block; width: 100%; height: auto; max-width: 100%; }
    .showcase figcaption { padding: 13px 16px; color: #62564e; font-size: 13px; }
    .showcase-square { display: grid; grid-template-columns: minmax(120px, .35fr) 1fr; align-items: center; gap: 22px; margin-top: 18px; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .showcase-square img { display: block; width: 100%; height: auto; max-width: 220px; border-radius: 12px; }
    .showcase-square p { margin: 0; color: var(--muted); }
    .workflow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
    .step { position: relative; padding: 5px 24px 5px 0; }
    .step:not(:last-child)::after { position: absolute; top: 20px; right: 17px; content: ""; width: calc(100% - 58px); height: 1px; background: #e6c6ad; transform: translateX(100%); }
    .step-index { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 17px; border-radius: 50%; color: #fff; background: var(--orange); font-size: 13px; font-weight: 800; box-shadow: 0 0 0 6px #ffeadb; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .solution { padding: 21px; border-radius: 16px; background: #fff; border: 1px solid #f0dfd1; }
    .solution-label { display: inline-block; margin-bottom: 11px; color: var(--orange-deep); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
    .solution p { margin: 0; color: var(--muted); font-size: 13px; }
    .network-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; padding: 30px; border-radius: 22px; background: #2d2926; color: #fff7ef; }
    .network-band h3 { font-size: 22px; }
    .network-band p { margin: 0; color: #e0d3c8; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .model-cloud span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.19); border-radius: 999px; color: #fff2e5; background: rgba(255,255,255,.07); font-size: 12px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .case-card { border: 1px solid var(--line); border-radius: 18px; background: #fff; overflow: hidden; transition: transform .22s, box-shadow .22s, border-color .22s; }
    .case-card .case-top { padding: 21px 21px 10px; }
    .case-card p { margin: 0; padding: 0 21px 21px; color: var(--muted); font-size: 13px; }
    .case-kind { display: inline-block; margin-bottom: 10px; color: #b84c21; font-size: 11px; font-weight: 800; }
    .comparison-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
    .comparison { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    .comparison th, .comparison td { padding: 14px 17px; border-bottom: 1px solid #f1e8df; vertical-align: top; font-size: 13px; }
    .comparison th { color: #55463b; background: #fff2e6; font-size: 12px; }
    .comparison td:first-child { font-weight: 700; }
    .comparison tr:last-child td { border-bottom: 0; }
    .rating-panel { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 19px; padding: 20px 23px; border-radius: 16px; color: #fff; background: linear-gradient(100deg, #d94b1e, #f2852c); }
    .rating-panel p { margin: 0; color: #fff4e9; font-size: 13px; }
    .rating-score { text-align: right; white-space: nowrap; }
    .rating-score strong { display: block; font-size: 29px; line-height: 1.1; }
    .stars { color: #ffe8a8; letter-spacing: 2px; }
    .token-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: start; }
    .token-note { padding: 23px; border-radius: 18px; color: #fff8f0; background: #332a25; }
    .token-note h3 { color: #fff; }
    .token-note p { margin: 0; color: #e4d7cb; font-size: 13px; }
    .token-list { display: grid; gap: 10px; }
    .token-line { display: flex; justify-content: space-between; gap: 15px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
    .token-line strong { font-size: 14px; }
    .token-line span { color: var(--muted); font-size: 13px; text-align: right; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .review { padding: 21px; border: 1px solid var(--line); border-radius: 17px; background: #fff; transition: transform .22s, box-shadow .22s, border-color .22s; }
    .review blockquote { margin: 0 0 18px; color: #51473f; font-size: 14px; }
    .review-person { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
    .avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: #a94b26; background: #ffeadb; font-weight: 800; }
    .faq-list { display: grid; gap: 10px; max-width: 900px; margin-inline: auto; }
    .faq-list details { padding: 0 19px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
    .faq-list summary { position: relative; padding: 16px 30px 16px 0; cursor: pointer; font-weight: 700; list-style: none; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 1px; top: 11px; color: var(--orange); font-size: 23px; font-weight: 400; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { margin: 0; padding: 0 20px 17px 0; color: var(--muted); font-size: 13px; }
    .info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .info-panel { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .info-panel p { color: var(--muted); font-size: 13px; }
    .article-list { display: grid; gap: 0; }
    .article-list a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid #f0e7de; font-size: 13px; }
    .article-list a:last-child { border-bottom: 0; }
    .article-list a span:last-child { color: var(--orange-deep); white-space: nowrap; }
    .request-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #5f554d; font-size: 12px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 45px; padding: 10px 12px; border: 1px solid #e5d8cc; border-radius: 10px; outline: none; color: var(--ink); background: #fffdfa; }
    .field textarea { min-height: 118px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #e58b5d; box-shadow: 0 0 0 3px rgba(237, 92, 34, .1); }
    .contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: start; }
    .contact-card { padding: 25px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
    .contact-list { display: grid; gap: 12px; margin-top: 20px; }
    .contact-item { display: flex; justify-content: space-between; gap: 15px; padding-bottom: 11px; border-bottom: 1px solid #f1e7de; font-size: 13px; }
    .contact-item span:first-child { color: var(--muted); }
    .contact-item a { color: var(--orange-deep); font-weight: 700; }
    .qr-wrap { width: min(190px, 100%); margin-top: 17px; padding: 10px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
    .qr-wrap img { display: block; width: 100%; max-width: 100%; height: auto; border-radius: 8px; }
    .franchise-band { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 25px 28px; border: 1px solid #f1d6c2; border-radius: 18px; background: linear-gradient(110deg, #fff 35%, #fff0e3); }
    .franchise-band p { max-width: 720px; margin: 6px 0 0; color: var(--muted); font-size: 13px; }
    .links-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 17px; }
    .links-cloud a { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: #65584e; background: #fff; font-size: 12px; }
    .links-cloud a:hover { color: var(--orange-deep); border-color: #e6b18b; }
    .site-footer { padding: 25px 0; border-top: 1px solid var(--line); color: #51473f; background: #fff6ed; }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 12px; }
    .footer-row p { margin: 0; }
    .footer-row a { color: #a84420; }
    .floating-tools { position: fixed; z-index: 25; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .floating-tools a, .floating-tools button { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid #f1d6c2; border-radius: 15px; color: #923c19; background: #fff; box-shadow: 0 8px 22px rgba(73, 43, 23, .12); font-size: 12px; font-weight: 800; cursor: pointer; }
    .reveal { opacity: 0; transform: translateY(15px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes float-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
    @media (max-width: 980px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding: 10px 14px; }
      .hero-grid { gap: 28px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .solution-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 66px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-actions { display: flex; align-items: center; gap: 9px; }
      .nav-links {
        display: none; position: absolute; top: 65px; left: 16px; right: 16px; padding: 10px;
        align-items: stretch; flex-direction: column; border: 1px solid var(--line); border-radius: 16px;
        background: #fffaf5; box-shadow: var(--shadow);
      }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 11px 12px; font-size: 14px; }
      .nav-cta { padding: 10px 13px; font-size: 12px; }
      .hero { padding: 54px 0 42px; }
      .hero-grid, .about-grid, .token-layout, .contact-grid, .network-band { grid-template-columns: 1fr; }
      .hero-grid { gap: 27px; }
      .hero-panel { max-width: 500px; }
      .proof-grid { grid-template-columns: 1fr 1fr; row-gap: 14px; }
      .proof-item:nth-child(2) { border-right: 0; }
      .proof-item:nth-child(3) { padding-left: 0; }
      .section { padding: 58px 0; }
      .workflow-grid { grid-template-columns: 1fr 1fr; row-gap: 28px; }
      .step:not(:last-child)::after { display: none; }
      .case-grid, .review-grid { grid-template-columns: 1fr 1fr; }
      .showcase-square { grid-template-columns: 120px 1fr; }
      .franchise-band { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 520px) {
      .brand { font-size: 17px; }
      .brand-mark { width: 33px; height: 33px; }
      .nav-cta { display: none; }
      h1 { font-size: 41px; }
      .hero-copy { font-size: 15px; }
      .button { padding: 11px 16px; }
      .service-grid, .solution-grid, .case-grid, .review-grid, .info-grid { grid-template-columns: 1fr; }
      .about-points { grid-template-columns: 1fr; }
      .showcase { grid-template-columns: 1fr; }
      .showcase-square { grid-template-columns: 1fr; }
      .showcase-square img { max-width: 180px; }
      .workflow-grid { grid-template-columns: 1fr 1fr; }
      .request-form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .rating-panel { align-items: flex-start; flex-direction: column; }
      .rating-score { text-align: left; }
      .footer-row { align-items: flex-start; flex-direction: column; }
      .token-line { align-items: flex-start; flex-direction: column; gap: 3px; }
      .token-line span { text-align: left; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }