.post-hero { padding: var(--space-9) 0 var(--space-6); background: radial-gradient(60% 90% at 90% 0%, var(--color-primary-soft), transparent 70%), #fff; }
.post-hero .container { max-width: 960px; }
.post-hero h1 { margin: var(--space-3) 0 var(--space-4); }
.post-hero .lead { max-width: 760px; }
.back-link { font-size: var(--fs-sm); font-weight: 600; text-decoration: none; color: var(--color-primary); }
.topic-pill { display: inline-block; margin-left: .6rem; font-size: 12px; font-weight: 600; padding: .3rem .7rem; border-radius: 999px; background: var(--color-primary-soft); color: var(--color-primary-dark, #0849cc); }
.byline { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin-top: var(--space-5); font-size: var(--fs-sm); color: var(--color-muted); }
.byline .avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--color-primary), #5b8cff); }
.byline b { color: var(--color-ink); }
.post-figure { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.post-figure img { width: 100%; height: auto; display: block; border-radius: 24px; box-shadow: 0 30px 60px -36px rgba(15,27,45,.5); }
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--space-9); max-width: 1100px; margin: 0 auto; padding: var(--space-8) 16px var(--space-6); }
.article { font-size: 1.075rem; line-height: 1.75; color: #2a3443; min-width: 0; }
.article h2 { font-size: clamp(1.45rem, 2.6vw, 1.85rem); line-height: 1.25; margin: var(--space-8) 0 var(--space-3); scroll-margin-top: 110px; color: var(--color-ink); }
.article h3 { font-size: 1.2rem; margin: var(--space-6) 0 var(--space-2); color: var(--color-ink); }
.article p { margin: 0 0 var(--space-4); }
.article ul, .article ol { margin: 0 0 var(--space-5); padding-left: 1.3rem; }
.article li { margin-bottom: .45rem; }
.article li::marker { color: var(--color-primary); font-weight: 700; }
.article a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
.takeaways { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: 20px; padding: var(--space-6); margin-bottom: var(--space-6); }
.takeaways h2 { margin: 0 0 var(--space-3); font-size: 1.15rem; }
.takeaways ul { margin: 0; }
.callout { border-left: 4px solid var(--color-accent); background: var(--color-accent-soft); border-radius: 0 14px 14px 0; padding: var(--space-4) var(--space-5); margin: var(--space-5) 0; }
.callout p { margin: 0; }
.art-table { margin: var(--space-5) 0; font-size: .95rem; }
.post-aside { position: sticky; top: 96px; align-self: start; display: grid; gap: var(--space-5); }
.toc { border: 1px solid var(--color-line); border-radius: 18px; padding: var(--space-5); background: #fff; }
.toc p { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted); margin: 0 0 var(--space-3); }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; font-size: var(--fs-sm); }
.toc a { color: var(--color-ink); text-decoration: none; line-height: 1.4; display: block; }
.toc a:hover { color: var(--color-primary); }
.svc-box { border-radius: 18px; padding: var(--space-6); background: var(--color-ink); color: #cfd9e8; }
.svc-box h3 { color: #fff; font-size: 1.1rem; margin: 0 0 var(--space-2); }
.svc-box p { font-size: var(--fs-sm); margin: 0 0 var(--space-4); color: #b6c2d3; }
.post-faq { max-width: 1100px; margin: 0 auto; padding: 0 16px var(--space-8); }
.post-faq .faq-inner { max-width: calc(100% - 300px - var(--space-9)); }
.author-box { display: flex; gap: var(--space-5); align-items: flex-start; border: 1px solid var(--color-line); border-radius: 20px; padding: var(--space-6); margin-top: var(--space-8); background: #fff; }
.author-box .avatar { flex: none; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 1.1rem; color: #fff; background: linear-gradient(135deg, var(--color-primary), #5b8cff); }
.author-box p { margin: .25rem 0 0; font-size: var(--fs-sm); color: var(--color-muted); }
.rel-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.rel-card { display: flex; flex-direction: column; border: 1px solid var(--color-line); border-radius: 20px; overflow: hidden; background: #fff; color: inherit; text-decoration: none; transition: transform .25s, box-shadow .25s; }
.rel-card:hover { transform: translateY(-3px); box-shadow: 0 22px 44px -26px rgba(15,27,45,.45); }
.rel-card img { width: 100%; height: auto; aspect-ratio: 1200 / 628; object-fit: cover; display: block; }
.rel-card div { padding: var(--space-5); }
.rel-card span { font-size: 12px; font-weight: 600; color: var(--color-primary); text-transform: uppercase; letter-spacing: .06em; }
.rel-card h3 { font-size: 1.02rem; line-height: 1.35; margin: .35rem 0 0; }
@media (max-width: 980px) {
  .post-layout { grid-template-columns: 1fr; gap: var(--space-6); }
  .post-aside { position: static; order: -1; }
  .post-aside .svc-box { display: none; }
  .post-faq .faq-inner { max-width: none; }
  .rel-grid { grid-template-columns: 1fr; }
}
.quick-answer { background: var(--color-primary-soft); border: 1px solid #cfe0ff; border-radius: 20px; padding: var(--space-5) var(--space-6); margin-bottom: var(--space-5); }
.quick-answer p { margin: 0; }
.quick-answer .qa-label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-primary); margin-bottom: .35rem; }
.bottom-line { background: var(--color-ink); color: #dbe4f2; border-radius: 20px; padding: var(--space-6); margin: var(--space-8) 0 var(--space-6); }
.bottom-line h2 { margin: 0 0 var(--space-2); color: #fff; font-size: 1.25rem; }
.bottom-line p { margin: 0; }
.sources { border-top: 1px solid var(--color-line); padding-top: var(--space-5); font-size: var(--fs-sm); }
.sources h2 { font-size: 1rem; margin: 0 0 var(--space-2); }
.sources ul { margin-bottom: var(--space-3); }
.review-note { color: var(--color-muted); margin: 0; }