:root {
      color-scheme: light;
      --ink: #202321;
      --muted: #606761;
      --line: #dfe3dd;
      --paper: #f8f8f4;
      --white: #fff;
      --lime: #d8ff45;
      --coral: #ff684d;
      --blue: #4876f2;
      --teal: #b8efdf;
      --container: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    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; }
    button, input, select, textarea { font: inherit; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 30; background: rgba(248,248,244,.96); border-bottom: 1px solid var(--line); }
    .nav-row { 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; text-decoration: none; font-weight: 800; }
    .ai-page-logo { display: block; width: 38px; max-width: 100%; height: auto; }
    .nav-links { display: flex; align-items: center; gap: 0; }
    .nav-links a { padding: 10px 9px; color: #414741; text-decoration: none; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: #d6422e; }
    .nav-cta, .button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--ink); border-radius: 3px; background: var(--ink); color: #fff; text-decoration: none; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
    .nav-cta:hover, .button:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 var(--coral); }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; padding: 9px 12px; color: var(--ink); }
    .hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--lime); }
    .hero-inner { position: relative; z-index: 1; padding-block: 82px 65px; }
    .hero-mark { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; font-size: 13px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    .hero-mark::before { content: ""; width: 10px; height: 10px; background: var(--coral); border-radius: 50%; }
    h1 { max-width: 760px; margin: 0; font-size: clamp(42px, 6vw, 76px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { max-width: 620px; margin: 22px 0 28px; color: #333a2e; font-size: 18px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .button-light { background: transparent; color: var(--ink); }
    .hero-foot { display: flex; justify-content: space-between; gap: 20px; margin-top: 68px; padding-top: 20px; border-top: 1px solid rgba(32,35,33,.24); color: #41483a; font-size: 13px; }
    .hero-stamp { position: absolute; right: max(24px, calc((100vw - var(--container))/2)); top: 90px; width: 185px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(32,35,33,.45); border-radius: 50%; color: var(--ink); transform: rotate(-12deg); animation: turn 30s linear infinite; }
    .hero-stamp span { max-width: 130px; text-align: center; font-size: 13px; font-weight: 700; }
    @keyframes turn { to { transform: rotate(348deg); } }
    .section { padding-block: 76px; border-bottom: 1px solid var(--line); }
    .section-head { display: grid; grid-template-columns: minmax(0, .9fr) minmax(250px, .6fr); align-items: end; gap: 28px; margin-bottom: 32px; }
    .eyebrow { margin: 0 0 8px; color: #d6422e; font-size: 12px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
    h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.15; letter-spacing: 0; }
    h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.35; letter-spacing: 0; }
    .section-intro, .muted { color: var(--muted); }
    .section-intro { max-width: 570px; margin: 0; }
    .about-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: start; }
    .about-copy { max-width: 690px; font-size: 17px; }
    .about-copy p:first-child { margin-top: 0; }
    .metric-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; border-top: 1px solid var(--ink); }
    .metric { padding: 18px 0; border-bottom: 1px solid var(--line); }
    .metric strong { display: block; font-size: 20px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .strip { background: #fff; }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
    .service-item { min-height: 178px; padding: 22px; background: #fff; transition: background .2s ease, transform .2s ease; }
    .service-item:hover { position: relative; z-index: 1; background: #eff8cc; transform: translateY(-3px); }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-no { display: block; margin-bottom: 23px; color: #d6422e; font-size: 12px; font-weight: 800; }
    .workflow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
    .workflow-item { position: relative; padding: 18px 18px 18px 0; border-top: 2px solid var(--ink); counter-increment: step; }
    .workflow-item::before { content: "0" counter(step); display: block; margin-bottom: 26px; color: #d6422e; font-weight: 800; }
    .workflow-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .workflow-item:not(:last-child)::after { content: ""; position: absolute; top: -6px; right: 14px; width: 10px; height: 10px; border-radius: 50%; background: var(--coral); }
    .case-band { background: #202321; color: #fff; }
    .case-band .eyebrow { color: var(--lime); }
    .case-band .section-intro { color: #d2d7d1; }
    .case-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; align-items: stretch; }
    .case-feature { min-height: 300px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; background: var(--coral); color: var(--ink); }
    .case-feature p { max-width: 500px; margin: 0; }
    .case-aside { display: grid; gap: 18px; }
    .case-note { padding: 24px; border: 1px solid #626963; }
    .case-note p { margin: 0; color: #d2d7d1; }
    .asset-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
    .media-frame { overflow: hidden; margin: 0; background: #e9ece6; }
    .media-frame img { display: block; width: 100%; height: auto; }
    .media-frame figcaption { padding: 11px 14px; color: var(--ink); font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; min-width: 760px; text-align: left; }
    th, td { padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #edf0ea; font-size: 14px; }
    td { color: #4b514c; font-size: 14px; }
    td:first-child { color: var(--ink); font-weight: 700; }
    .rating { display: inline-flex; gap: 3px; color: #d6422e; font-weight: 800; }
    .rating-block { display: flex; align-items: center; gap: 18px; margin-bottom: 22px; }
    .rating-score { font-size: 30px; font-weight: 800; }
    .rating-copy { color: var(--muted); font-size: 13px; }
    .match-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
    .match-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
    .match-list li { display: flex; justify-content: space-between; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line); }
    .match-list span:last-child { color: var(--muted); text-align: right; }
    .token-box { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; padding: 25px; background: var(--teal); }
    .token-box p { margin: 7px 0 0; }
    .platform-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .platform-tags span { padding: 7px 11px; border: 1px solid #bdc5bd; background: #fff; color: #363d37; font-size: 13px; }
    .faq-list { border-top: 1px solid var(--ink); }
    .faq-list details { border-bottom: 1px solid var(--line); }
    .faq-list summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 2px; top: 13px; color: #d6422e; font-size: 23px; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { max-width: 780px; margin: 0 35px 18px 0; color: var(--muted); }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { padding: 20px; border: 1px solid var(--line); background: #fff; }
    .review p { margin: 0 0 18px; color: #424943; }
    .review strong { font-size: 14px; }
    .review span { display: block; color: var(--muted); font-size: 12px; }
    .article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .article { display: flex; min-height: 150px; flex-direction: column; justify-content: space-between; padding: 20px; border-top: 3px solid var(--blue); background: #fff; text-decoration: none; transition: transform .2s ease; }
    .article:hover { transform: translateY(-3px); }
    .article small { color: var(--muted); }
    .article strong { font-size: 17px; }
    .contact-section { background: #e7eee8; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
    .contact-details { display: grid; gap: 10px; margin-top: 23px; }
    .contact-details a { color: var(--ink); }
    .contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .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%; min-height: 46px; padding: 11px 12px; border: 1px solid #b7c1b8; border-radius: 0; background: #fff; color: var(--ink); }
    .field textarea { min-height: 120px; resize: vertical; }
    .contact-form .button { justify-self: start; cursor: pointer; }
    .qr-area { display: flex; align-items: center; gap: 18px; margin-top: 22px; }
    .qr-area img { display: block; width: 112px; height: auto; border: 1px solid var(--line); background: #fff; }
    .membership { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 25px 0; border-top: 1px solid var(--line); }
    .membership p { margin: 5px 0 0; color: var(--muted); }
    .site-footer { padding-block: 28px; background: #202321; color: #f4f5f1; }
    .footer-top { display: flex; justify-content: space-between; align-items: start; gap: 28px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; max-width: 660px; }
    .footer-links a { color: #e2e6df; font-size: 13px; text-decoration: none; }
    .footer-meta { margin-top: 20px; padding-top: 16px; border-top: 1px solid #505650; color: #c4cbc3; font-size: 12px; }
    .floating-contact { position: fixed; z-index: 20; right: 18px; bottom: 18px; display: grid; gap: 8px; }
    .floating-contact a { display: grid; width: 48px; min-height: 48px; place-items: center; border: 1px solid var(--ink); background: var(--lime); color: var(--ink); text-decoration: none; font-size: 13px; 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 (max-width: 1080px) {
      .nav-links a { padding-inline: 6px; font-size: 12px; }
      .nav-cta { padding-inline: 13px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 780px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 64px; flex-wrap: wrap; gap: 8px; padding-block: 9px; }
      .menu-toggle { display: inline-flex; align-items: center; }
      .nav-actions { display: flex; align-items: center; gap: 8px; }
      .nav-cta { min-height: 40px; font-size: 13px; }
      .nav-links { display: none; width: 100%; flex-wrap: wrap; padding: 4px 0 8px; }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 8px 10px 8px 0; font-size: 13px; }
      .hero-inner { padding-block: 62px 42px; }
      h1 { max-width: 600px; font-size: 48px; }
      .hero-copy { max-width: 500px; font-size: 16px; }
      .hero-stamp { top: 32px; right: 20px; width: 112px; }
      .hero-stamp span { max-width: 82px; font-size: 10px; }
      .hero-foot { margin-top: 48px; flex-direction: column; gap: 4px; }
      .section { padding-block: 55px; }
      .section-head, .about-layout, .match-layout, .contact-grid { grid-template-columns: 1fr; gap: 20px; }
      .workflow { grid-template-columns: repeat(2, 1fr); gap: 15px; }
      .workflow-item:last-child { grid-column: 1 / -1; }
      .case-grid { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .article-grid { grid-template-columns: repeat(2, 1fr); }
      .membership { align-items: flex-start; flex-direction: column; }
      .footer-top { flex-direction: column; }
    }
    @media (max-width: 500px) {
      .hero-stamp { display: none; }
      h1 { font-size: 42px; }
      .hero-inner { padding-top: 50px; }
      .hero-actions .button { width: 100%; }
      .service-grid, .review-grid, .article-grid, .asset-row { grid-template-columns: 1fr; }
      .service-item { min-height: auto; }
      .service-no { margin-bottom: 12px; }
      .workflow { grid-template-columns: 1fr; }
      .workflow-item:last-child { grid-column: auto; }
      .workflow-item::before { margin-bottom: 10px; }
      .token-box { grid-template-columns: 1fr; }
      .contact-form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .qr-area { align-items: flex-start; }
      .floating-contact { right: 10px; bottom: 10px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }