:root {
  color-scheme: light;
  --bg: #fbfaf6;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #6366f1;
  --accent-soft: rgba(99, 102, 241, .1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Outfit, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
}

.play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid rgba(99, 102, 241, .22);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

article {
  padding-bottom: 28px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent);
}

h1 {
  max-width: 780px;
  margin: 0 0 18px;
  font-size: clamp(38px, 7vw, 72px);
  line-height: .95;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  margin: 0 0 26px;
  color: #4b5563;
  font-size: 21px;
  line-height: 1.55;
  font-weight: 600;
}

.article-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 46px;
  padding: 16px 18px;
  border: 1px solid rgba(99, 102, 241, .18);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 42px -34px rgba(15, 23, 42, .45);
}

.article-cta strong {
  color: var(--text);
  font-size: 16px;
}

.article-cta span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 600;
}

.article-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.article-hero {
  width: 100%;
  margin: 0 0 46px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 22px 48px -36px rgba(15, 23, 42, .5);
}

.article-hero img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

h2 {
  margin: 38px 0 12px;
  font-size: 28px;
  line-height: 1.15;
}

h3 {
  margin: 28px 0 10px;
  font-size: 21px;
  line-height: 1.2;
}

p,
li {
  color: #4b5563;
  font-size: 18px;
  line-height: 1.72;
}

p {
  margin: 0 0 18px;
}

ul,
ol {
  padding-left: 24px;
  margin: 0 0 22px;
}

.note {
  margin-top: 34px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}

.meta-note {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: var(--accent-soft);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 42px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
}

.faq-list p {
  padding: 0 20px 18px;
  margin: 0;
  font-size: 16px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.related-grid a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.related-grid a:hover {
  border-color: rgba(99, 102, 241, .35);
  color: var(--accent);
}

.note a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.site-footer {
  margin-top: 64px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}

.site-footer-brand {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.footer-logo {
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

.site-footer-brand span,
.site-footer-note {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 18px;
}

.site-footer-links a {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-footer-links a:hover {
  color: var(--accent);
}

.site-footer-note {
  margin: 0;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 28px, 880px);
    padding-top: 22px;
  }

  .top {
    margin-bottom: 42px;
  }

  .article-cta {
    width: 100%;
    margin-bottom: 28px;
  }

  .article-hero {
    margin-bottom: 34px;
    border-radius: 14px;
  }

  .lede {
    font-size: 18px;
  }

  p,
  li {
    font-size: 16px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .site-footer-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}