:root {
      color-scheme: light;
      --ink: #241b1b;
      --muted: #6b5e5c;
      --red: #c93032;
      --red-dark: #992326;
      --coral: #ef6b57;
      --line: #eadfda;
      --paper: #fbf8f6;
      --white: #fff;
      --rose: #f8e9e5;
      --gold: #b17835;
      --green: #32725e;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 86px; }
    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; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; height: auto; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      background: rgba(251,248,246,.96);
      border-bottom: 1px solid rgba(234,223,218,.9);
      backdrop-filter: blur(12px);
    }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
    .brand img { width: 42px; max-height: 42px; object-fit: contain; }
    .brand-name { font-size: 17px; font-weight: 800; letter-spacing: 0; }
    .brand-sub { display: block; margin-top: -3px; color: var(--muted); font-size: 10px; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 9px 10px; color: #493c3b; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--red); }
    .nav-cta, .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      border: 1px solid var(--red);
      border-radius: 4px;
      background: var(--red);
      color: #fff;
      font-weight: 700;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-cta { flex: 0 0 auto; min-height: 40px; padding: 8px 14px; font-size: 13px; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); background: var(--red-dark); box-shadow: 0 8px 20px rgba(153,35,38,.18); }
    .button.secondary { background: transparent; color: var(--red-dark); }
    .button.secondary:hover { background: var(--rose); box-shadow: none; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); color: var(--ink); cursor: pointer; }
    .menu-toggle span, .menu-toggle::before, .menu-toggle::after { display: block; width: 17px; height: 2px; margin: 4px auto; background: currentColor; content: ""; }
    .hero {
      position: relative;
      overflow: hidden;
      padding: 74px 0 40px;
      background: #f7e7e2;
      border-bottom: 1px solid #ead4ce;
    }
    .hero::before {
      position: absolute;
      inset: 0 0 auto auto;
      width: min(48vw, 610px);
      height: 100%;
      background: repeating-linear-gradient(135deg, transparent 0 24px, rgba(201,48,50,.07) 24px 25px);
      content: "";
      pointer-events: none;
    }
    .hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr); align-items: center; gap: 54px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--red-dark); font-size: 12px; font-weight: 800; letter-spacing: 1px; }
    .eyebrow::before { width: 22px; height: 2px; background: currentColor; content: ""; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 720px; margin: 15px 0 17px; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 650px; margin-bottom: 24px; color: #554543; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 25px 0 0; padding: 0; list-style: none; color: #5d4d4b; font-size: 13px; }
    .hero-points li::before { margin-right: 7px; color: var(--red); content: "✓"; font-weight: 800; }
    .hero-panel { position: relative; padding: 25px; border: 1px solid rgba(153,35,38,.2); background: rgba(255,255,255,.76); box-shadow: 10px 10px 0 rgba(201,48,50,.1); }
    .hero-panel-label { color: var(--red-dark); font-size: 12px; font-weight: 800; }
    .hero-panel h2 { margin: 8px 0 18px; font-size: 21px; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 6px 9px; border: 1px solid #ead5d0; background: #fffaf8; color: #493936; font-size: 12px; }
    .hero-panel-note { margin: 17px 0 0; color: var(--muted); font-size: 12px; }
    .metric-strip { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 44px; border-top: 1px solid rgba(153,35,38,.2); }
    .metric { padding: 20px 15px 0 0; }
    .metric strong { display: block; color: var(--red-dark); font-size: 19px; }
    .metric span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section.tint { background: #f4e7e2; }
    .section.white { background: #fff; }
    .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
    .section-heading h2 { margin: 8px 0 0; font-size: clamp(27px, 4vw, 40px); line-height: 1.2; }
    .section-heading p { max-width: 510px; margin: 0; color: var(--muted); font-size: 14px; }
    .platform-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .7fr); gap: 54px; align-items: start; }
    .platform-intro h2 { max-width: 620px; margin: 8px 0 18px; font-size: 36px; line-height: 1.25; }
    .platform-intro p { max-width: 690px; color: #5c504e; }
    .intro-points { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 22px; margin: 22px 0 0; padding: 0; list-style: none; }
    .intro-points li { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .intro-points strong { color: var(--red-dark); }
    .intro-callout { padding: 24px; border-left: 3px solid var(--red); background: #f8eeea; }
    .intro-callout h3 { margin-bottom: 10px; font-size: 18px; }
    .intro-callout p { margin: 0; font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
    .service-item { min-height: 175px; padding: 23px; background: #fff; transition: background .2s ease, transform .2s ease; }
    .service-item:hover { position: relative; z-index: 1; transform: translateY(-3px); background: #fff9f7; }
    .service-item .index { display: block; margin-bottom: 15px; color: var(--coral); font-size: 12px; font-weight: 800; }
    .service-item h3 { margin-bottom: 8px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-more { margin-top: 20px; padding: 17px 20px; background: #f4e7e2; color: #554644; font-size: 13px; }
    .service-more strong { color: var(--red-dark); }
    .workflow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: steps; }
    .workflow-step { position: relative; padding: 10px 24px 10px 0; border-top: 2px solid #d9b3a9; counter-increment: steps; }
    .workflow-step::before { display: grid; width: 34px; height: 34px; margin-top: -19px; margin-bottom: 17px; place-items: center; border: 2px solid var(--red); border-radius: 50%; background: var(--paper); color: var(--red-dark); content: counter(steps, decimal-leading-zero); font-size: 11px; font-weight: 800; }
    .workflow-step h3 { margin-bottom: 7px; font-size: 16px; }
    .workflow-step p { max-width: 220px; margin: 0; color: var(--muted); font-size: 13px; }
    .solution-band { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid #ead8d1; }
    .solution { padding: 28px; background: #fff; }
    .solution + .solution { border-left: 1px solid #ead8d1; background: #fff8f5; }
    .solution h3 { margin-bottom: 13px; font-size: 19px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .solution-tags span { padding: 5px 9px; border: 1px solid var(--line); color: #544744; font-size: 12px; }
    .image-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 16px; }
    .image-frame { overflow: hidden; border: 1px solid var(--line); background: #f1e4df; }
    .image-frame img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .35s ease; }
    .image-frame:hover img { transform: scale(1.025); }
    .image-caption { padding: 12px 14px; background: #fff; color: #554744; font-size: 13px; }
    .service-network { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 44px; align-items: center; }
    .network-copy h2 { margin: 8px 0 14px; font-size: 34px; line-height: 1.25; }
    .network-copy p { color: var(--muted); }
    .network-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 20px; }
    .network-list div { padding: 13px 0; border-bottom: 1px solid var(--line); }
    .network-list strong { display: block; font-size: 14px; }
    .network-list span { color: var(--muted); font-size: 12px; }
    .rating-panel { display: grid; grid-template-columns: .75fr 1.25fr; gap: 34px; padding: 30px; border: 1px solid #e6cbc2; background: #fff9f6; }
    .rating-score { display: flex; flex-direction: column; justify-content: center; padding: 12px 26px 12px 0; border-right: 1px solid #e6cbc2; }
    .stars { color: var(--gold); font-size: 21px; letter-spacing: 2px; }
    .score { margin: 4px 0 0; color: var(--red-dark); font-size: 54px; font-weight: 800; line-height: 1.1; }
    .score small { color: var(--muted); font-size: 15px; font-weight: 500; }
    .rating-score p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
    .table-wrap { overflow-x: auto; }
    .compare-table { width: 100%; border-collapse: collapse; font-size: 13px; }
    .compare-table th, .compare-table td { padding: 10px 12px; border-bottom: 1px solid #eadfda; text-align: left; vertical-align: top; }
    .compare-table th { color: #493937; font-weight: 800; }
    .compare-table th:last-child { color: var(--red-dark); }
    .compare-table td:first-child { width: 27%; color: #584b49; }
    .compare-table td:last-child { color: #3f6555; }
    .match-layout { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 48px; align-items: start; }
    .match-copy h2 { margin: 8px 0 14px; font-size: 34px; line-height: 1.25; }
    .match-copy p { color: var(--muted); }
    .match-list { margin: 19px 0 0; padding: 0; list-style: none; }
    .match-list li { padding: 9px 0; border-bottom: 1px solid var(--line); color: #514442; font-size: 14px; }
    .match-list li::before { margin-right: 9px; color: var(--red); content: "→"; }
    .lead-form { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 15px; padding: 24px; border: 1px solid var(--line); background: #fff; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #514442; font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #d9cbc6; border-radius: 2px; background: #fffdfa; color: var(--ink); }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(201,48,50,.2); border-color: var(--red); }
    .form-foot { display: flex; grid-column: 1 / -1; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
    .form-foot small { max-width: 350px; color: var(--muted); font-size: 11px; }
    .token-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; align-items: start; }
    .token-copy h2 { margin: 8px 0 14px; font-size: 33px; line-height: 1.25; }
    .token-copy p { color: var(--muted); }
    .token-note { padding: 21px; border-left: 3px solid var(--gold); background: #f5eee4; }
    .token-note strong { display: block; margin-bottom: 6px; }
    .token-note p { margin: 0; font-size: 13px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
    .review { padding: 21px; border-top: 2px solid var(--coral); background: #fff; }
    .review p { margin-bottom: 18px; color: #504442; font-size: 14px; }
    .review footer { color: var(--muted); font-size: 12px; }
    .review footer strong { display: block; color: var(--ink); font-size: 13px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { position: absolute; top: 14px; right: 5px; color: var(--red); content: "+"; font-size: 22px; font-weight: 400; }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { max-width: 900px; margin: 0; padding: 0 36px 18px 0; color: var(--muted); font-size: 14px; }
    .article-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 12px; }
    .article-link { display: flex; min-height: 105px; flex-direction: column; justify-content: space-between; padding: 15px; border: 1px solid var(--line); background: #fff; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-2px); border-color: var(--coral); }
    .article-link strong { font-size: 14px; }
    .article-link span { color: var(--red-dark); font-size: 12px; }
    .glossary { display: flex; flex-wrap: wrap; gap: 9px; }
    .glossary span { padding: 7px 11px; border: 1px solid #e8d5ce; background: #fff9f7; color: #554744; font-size: 12px; }
    .affiliate-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
    .affiliate-links a { padding: 8px 12px; border: 1px solid var(--line); background: #fff; color: #4e403e; font-size: 13px; transition: border-color .2s ease, color .2s ease; }
    .affiliate-links a:hover { border-color: var(--red); color: var(--red-dark); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; }
    .contact-copy h2 { margin: 8px 0 14px; font-size: 34px; }
    .contact-copy > p { max-width: 470px; color: var(--muted); }
    .contact-details { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 18px; margin-top: 22px; }
    .contact-details div { padding: 11px 0; border-bottom: 1px solid var(--line); }
    .contact-details span { display: block; color: var(--muted); font-size: 11px; }
    .contact-details strong, .contact-details a { color: var(--ink); font-size: 14px; }
    .qr-box { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
    .qr-box img { width: 112px; aspect-ratio: 1; object-fit: contain; border: 1px solid var(--line); background: #fff; }
    .qr-box p { margin: 0; color: var(--muted); font-size: 12px; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 34px; padding: 23px 26px; background: #f5e6e1; }
    .join-band h3 { margin: 0 0 4px; font-size: 18px; }
    .join-band p { margin: 0; color: var(--muted); font-size: 13px; }
    .site-footer { padding: 28px 0 22px; border-top: 1px solid var(--line); background: #f1e8e4; color: #302625; }
    .footer-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .footer-brand { font-weight: 800; }
    .footer-meta { color: #615350; font-size: 12px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
    .footer-links a { color: #493b39; font-size: 12px; }
    .footer-links a:hover { color: var(--red-dark); }
    .floating-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
    .floating-contact a { display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid #dfc5bd; background: #fff; color: var(--red-dark); box-shadow: 0 5px 18px rgba(56,30,27,.12); font-size: 12px; font-weight: 800; transition: transform .2s ease; }
    .floating-contact a:hover { transform: translateY(-3px); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.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: 1020px) {
      .nav-links { gap: 0; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { display: none; }
    }
    @media (max-width: 800px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 64px; }
      .menu-toggle { display: block; margin-left: auto; }
      .nav-links { position: absolute; top: 64px; right: 0; left: 0; display: none; align-items: stretch; padding: 8px 16px 14px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
      .nav-links a { padding: 11px 9px; border-bottom: 1px solid #eee3df; font-size: 14px; }
      .hero { padding-top: 55px; }
      .hero-grid, .platform-intro, .service-network, .match-layout, .contact-grid, .token-layout { grid-template-columns: 1fr; gap: 30px; }
      .hero-panel { max-width: 520px; }
      .metric-strip { margin-top: 32px; }
      .section { padding: 58px 0; }
      .section-heading { align-items: start; flex-direction: column; gap: 12px; }
      .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .workflow { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 28px; }
      .workflow-step:nth-child(2) { border-top-color: #d9b3a9; }
      .image-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .image-frame:first-child { grid-column: 1 / -1; }
      .rating-panel { grid-template-columns: 1fr; gap: 18px; }
      .rating-score { padding: 0 0 18px; border-right: 0; border-bottom: 1px solid #e6cbc2; }
      .review-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .article-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .brand img { width: 36px; max-height: 36px; }
      .brand-name { font-size: 15px; }
      .brand-sub { font-size: 9px; }
      h1 { font-size: 39px; }
      .hero-copy { font-size: 15px; }
      .hero-actions .button { flex: 1 1 150px; }
      .metric-strip { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 14px; }
      .metric { padding-top: 14px; }
      .intro-points, .service-grid, .workflow, .solution-band, .network-list, .review-grid, .contact-details { grid-template-columns: 1fr; }
      .solution + .solution { border-top: 1px solid #ead8d1; border-left: 0; }
      .image-grid { grid-template-columns: 1fr; }
      .image-frame:first-child { grid-column: auto; }
      .rating-panel { padding: 20px 15px; }
      .compare-table { min-width: 530px; }
      .lead-form { grid-template-columns: 1fr; padding: 17px; }
      .field.full, .form-foot { grid-column: auto; }
      .form-foot { align-items: stretch; flex-direction: column; }
      .article-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .join-band, .footer-row { align-items: flex-start; flex-direction: column; }
      .floating-contact { right: 10px; bottom: 12px; }
      .floating-contact a { width: 42px; height: 42px; }
    }