.blog-page {
  --blog-line: #e6eaf0;
  max-width: 1120px;
  margin: 0 auto;
  padding: 76px 24px 112px;
}
.blog-page a:focus-visible, .blog-footer a:focus-visible,
.blog-not-found a:focus-visible { outline: 2px solid var(--color-science-blue); outline-offset: 5px; }
.header-blog .nav-links { display: flex; gap: 32px; }
.header-blog .header-cta { display: none; }
.header-blog .nav-link { font-weight: 400; font-size: 14px; }
.blog-index-header { max-width: 620px; margin-bottom: 64px; }
.blog-index-header h1 { font-size: clamp(36px, 4vw, 48px); line-height: 1.15; font-weight: 600; }
.blog-index-header p { margin-top: 18px; max-width: 550px; font-size: 18px; line-height: 1.65; color: var(--color-text-light); }
.blog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.blog-card { min-width: 0; }
.blog-card-image { display: block; overflow: hidden; border-radius: 6px; }
.blog-card-image img { display: block; width: 100%; height: auto; }
.blog-card-copy { padding-top: 24px; }
.blog-card h2 { font-size: 28px; line-height: 1.25; font-weight: 600; letter-spacing: -.015em; }
.blog-card h2 a:hover { color: var(--color-science-blue); }
.blog-card-description { margin-top: 14px; font-size: 17px; line-height: 1.65; color: var(--color-text-light); }
.blog-meta { display: flex; flex-wrap: wrap; gap: 7px 20px; margin-top: 20px; font-size: 14px; line-height: 20px; color: var(--color-text-light); }

.blog-article-page { padding-top: 54px; }
.blog-article-hero, .blog-reading-layout { display: grid; grid-template-columns: 180px minmax(0, 680px); gap: 64px; max-width: 924px; margin: 0 auto; }
.blog-article-header { grid-column: 2; padding-bottom: 52px; }
.blog-back-link { display: inline-block; margin-bottom: 28px; color: var(--color-text-light); font-size: 13px; }
.blog-back-link:hover { color: var(--color-science-blue); }
.blog-article-header h1 { font-size: 42px; line-height: 52px; letter-spacing: -.011em; font-weight: 600; }
.blog-article-description { margin-top: 20px; color: var(--color-text-light); font-size: 20px; line-height: 32px; }
.blog-byline { margin-top: 24px; flex-wrap: nowrap; gap: 12px; }
.blog-byline > * { display: inline-flex; align-items: center; gap: 12px; white-space: nowrap; }
.blog-byline > * + *::before { content: ''; width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .45; }
.blog-article-image { margin-top: 32px; }
.blog-article-image img { display: block; width: 100%; height: auto; border-radius: 6px; }
.blog-sidebar { position: sticky; align-self: start; top: 112px; }
.blog-toc-title { font-size: 16px; font-weight: 500; margin-bottom: 15px; }
.blog-toc ol { margin: 0; padding: 0; list-style: none; }
.blog-toc li { border-left: 1px solid var(--blog-line); }
.blog-toc a { display: block; padding: 8px 0 8px 16px; color: var(--color-text-light); font-size: 16px; line-height: 24px; }
.blog-toc a:hover { color: var(--color-science-blue); box-shadow: -2px 0 0 var(--color-science-blue); }
.blog-toc-mobile { display: none; }
.blog-prose { min-width: 0; }
.blog-prose-section { scroll-margin-top: 108px; }
.blog-prose-section + .blog-prose-section { margin-top: 47px; }
.blog-prose-section h2 { margin-bottom: 14px; font-size: 24px; line-height: 30px; font-weight: 600; letter-spacing: -.016em; }
.blog-prose-section > p, .blog-prose-section > ul { font-size: 20px; line-height: 32px; letter-spacing: -.003em; color: #39495b; }
.blog-prose-section > p + p { margin-top: 1.68em; }
.blog-prose-section > ul { list-style: disc; padding-left: 21px; margin-top: 20px; }
.blog-prose-section > ul li { padding-left: 3px; }
.blog-prose-section > ul li + li { margin-top: 9px; }
.blog-prose-section > ul li::marker { color: #8698ae; font-size: .8em; }
.blog-note { margin-top: 28px; padding-left: 22px; border-left: 2px solid var(--blog-line); }
.blog-note > strong { display: block; font-size: 15px; font-weight: 500; margin-bottom: 6px; }
.blog-note > p { font-size: 16px; line-height: 1.75; color: var(--color-text-light); }
.blog-example { margin-top: 28px; }
.blog-example img { display: block; width: 100%; height: auto; border-radius: 4px; }
.blog-example figcaption { margin-top: 10px; font-size: 14px; line-height: 20px; color: var(--color-text-light); }
.blog-prose-section > .blog-reference { margin-top: 18px; font-size: 14px; line-height: 20px; }
.blog-reference a { color: var(--color-science-blue); text-decoration: underline; text-underline-offset: 3px; }
.blog-article-cta { margin-top: 32px; }
.blog-next { margin-top: 56px; padding-top: 25px; border-top: 1px solid var(--blog-line); }
.blog-next p { margin-bottom: 9px; color: var(--color-text-light); font-size: 12px; }
.blog-next a { color: var(--color-text); font-size: 20px; font-weight: 500; line-height: 1.4; }
.blog-next a:hover { color: var(--color-science-blue); }
.blog-footer { border-top: 1px solid #e6eaf0; }
.blog-footer-inner { max-width: 1120px; padding: 26px 24px; margin: 0 auto; display: flex; justify-content: space-between; gap: 24px; font-size: 12px; color: var(--color-text-light); }
.blog-footer nav { display: flex; gap: 24px; }
.blog-footer a:hover { color: var(--color-text); }
.blog-not-found { max-width: 760px; margin: 0 auto; padding: 100px 24px; }
.blog-not-found h1 { font-size: clamp(36px, 5vw, 48px); }
.blog-not-found > p { margin: 22px 0; color: var(--color-text-light); font-size: 18px; }

@media (max-width: 950px) {
  .blog-article-hero, .blog-reading-layout { grid-template-columns: 155px minmax(0, 1fr); gap: 36px; }
  .blog-grid { gap: 32px; }
  .blog-card h2 { font-size: 25px; }
}
@media (max-width: 720px) {
  .blog-page { padding-top: 48px; padding-bottom: 64px; }
  .blog-index-header { margin-bottom: 40px; }
  .blog-index-header p { font-size: 17px; }
  .blog-grid { grid-template-columns: 1fr; gap: 42px; }
  .blog-card h2 { font-size: 27px; }
  .blog-card-copy { padding-top: 20px; }
  .blog-article-page { padding-top: 28px; }
  .blog-article-hero, .blog-reading-layout { display: block; }
  .blog-article-header { padding-bottom: 32px; }
  .blog-article-header h1 { font-size: 32px; line-height: 38px; letter-spacing: -.014em; }
  .blog-article-description { font-size: 18px; line-height: 28px; }
  .blog-back-link { margin-bottom: 22px; }
  .blog-sidebar { display: none; }
  .blog-toc-mobile { display: block; margin-bottom: 34px; border-block: 1px solid var(--blog-line); }
  .blog-toc-mobile summary { padding: 14px 0; font-size: 15px; font-weight: 500; cursor: pointer; }
  .blog-toc-mobile .blog-toc { padding-bottom: 16px; }
  .blog-article-cta .btn { white-space: normal; text-align: center; }
  .blog-toc ol { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
  .blog-prose-section + .blog-prose-section { margin-top: 24px; }
  .blog-prose-section h2 { font-size: 20px; line-height: 24px; }
  .blog-prose-section > p, .blog-prose-section > ul { font-size: 18px; line-height: 28px; }
  .blog-prose-section > p + p { margin-top: 1.1em; }
}
@media (max-width: 460px) {
  .blog-page { padding-inline: 20px; }
  .header-blog .header-logo { width: 116px; height: auto; }
  .header-blog .nav-links { gap: 22px; }
  .header-blog .nav-link { font-size: 13px; }
  .blog-index-header h1 { font-size: 36px; }
  .blog-toc ol { grid-template-columns: 1fr; }
  .blog-footer-inner { flex-direction: column; gap: 13px; padding-inline: 20px; }
}