/* Scoped to the static introduction; React replaces the home introduction on mount. */
.seo-document,
body:has(> #root > .seo-page) { margin: 0; }
.seo-page {
  --seo-paper: #f7f5ef;
  --seo-ink: #28332e;
  --seo-muted: #626e5e;
  --seo-line: #d8ded2;
  --seo-accent: #283e31;
  --seo-on-accent: #fffdf7;
  box-sizing: border-box;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--seo-paper);
  color: var(--seo-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
:root[data-theme="dark"] .seo-page {
  --seo-paper: #171d1a;
  --seo-ink: #e5eae2;
  --seo-muted: #acb8a8;
  --seo-line: #38443b;
  --seo-accent: #b4cda7;
  --seo-on-accent: #1c2e22;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .seo-page {
    --seo-paper: #171d1a;
    --seo-ink: #e5eae2;
    --seo-muted: #acb8a8;
    --seo-line: #38443b;
    --seo-accent: #b4cda7;
    --seo-on-accent: #1c2e22;
  }
}
.seo-page *, .seo-page *::before, .seo-page *::after { box-sizing: border-box; }
.seo-shell { width: min(100%, 980px); margin: 0 auto; padding: 0 32px; }
.seo-page a { color: inherit; text-underline-offset: 4px; }
.seo-page a:hover { text-decoration-thickness: 2px; }
.seo-page a:focus-visible { outline: 3px solid var(--seo-accent); outline-offset: 5px; border-radius: 3px; }
.seo-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding: 28px 0; border-bottom: 1px solid var(--seo-line); }
.seo-brand { display: inline-flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.seo-brand img { display: block; flex: none; }
.seo-links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; font-size: 14px; }
.seo-links a { padding: 10px 0; }
.seo-hero { max-width: 760px; padding: 68px 0 60px; }
.seo-eyebrow { margin: 0 0 18px; color: var(--seo-muted); font-size: 14px; }
.seo-page h1 { margin: 0 0 24px; font-size: clamp(32px, 5vw, 52px); line-height: 1.35; letter-spacing: -.025em; font-weight: 650; }
.seo-lead { max-width: 650px; margin: 0; font-size: 18px; }
.seo-note { color: var(--seo-muted); font-size: 14px; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.seo-page .seo-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 9px 22px; border: 1px solid var(--seo-accent); border-radius: 8px; background: var(--seo-accent); color: var(--seo-on-accent); text-decoration: none; font-size: 15px; font-weight: 600; }
.seo-page .seo-button-secondary { background: transparent; color: var(--seo-ink); border-color: var(--seo-line); }
.seo-section { padding: 36px 0 40px; border-top: 1px solid var(--seo-line); }
.seo-page h2 { margin: 0 0 24px; font-size: 24px; line-height: 1.5; font-weight: 650; }
.seo-page h3 { margin: 9px 0 10px; font-size: 19px; font-weight: 650; }
.seo-section p { margin: 0 0 16px; }
.seo-section p:last-child { margin-bottom: 0; }
.seo-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.seo-features p { color: var(--seo-muted); font-size: 15px; }
.seo-step { color: var(--seo-muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.seo-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; padding: 24px 0 max(28px, env(safe-area-inset-bottom)); border-top: 1px solid var(--seo-line); color: var(--seo-muted); font-size: 14px; }
.seo-filing { display: flex; flex-wrap: wrap; gap: 8px 20px; width: 100%; font-size: 12px; }
.seo-filing img { margin-right: 4px; vertical-align: -2px; }
.seo-loading .seo-shell { max-width: 760px; padding-top: clamp(32px, 10vh, 100px); padding-bottom: 40px; }
.seo-loading .seo-brand { margin-bottom: 40px; }
.seo-loading .seo-links { margin-top: 28px; }
@media (max-width: 620px) {
  .seo-shell { padding: 0 22px; }
  .seo-header { padding: 20px 0; }
  .seo-header .seo-links { gap: 16px; }
  .seo-hero { padding: 42px 0; }
  .seo-lead { font-size: 17px; }
  .seo-features { grid-template-columns: 1fr; gap: 26px; }
  .seo-section { padding: 30px 0; }
  .seo-page h2 { font-size: 22px; }
  .seo-loading .seo-brand { margin-bottom: 32px; }
}