/* LEXUNYU Blog — article + listing styles (light theme, matches site.css) */
.blog-hero { padding: 70px 0 28px; }
.blog-hero .breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.blog-hero .breadcrumb a { color: var(--muted); text-decoration: none; }
.blog-hero .breadcrumb a:hover { color: var(--red); }
.blog-hero h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1.12; margin: 8px 0 0; max-width: 880px; }
.blog-hero .lede { max-width: 720px; margin: 18px 0 0; color: var(--muted); font-size: 18px; line-height: 1.7; }

.post-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 14px; }
.post-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); overflow: hidden; text-decoration: none; color: inherit; transition: transform .2s ease, box-shadow .2s ease; min-height: 280px; }
.post-card:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(19,24,32,.12); }
.post-card .pc-media { aspect-ratio: 16 / 9; background: #eef1f4 center/cover no-repeat; }
.post-card .pc-body { display: flex; flex-direction: column; padding: 20px; flex: 1; }
.post-card .pc-date { color: var(--red); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.post-card h3 { margin: 9px 0 10px; font-size: 20px; line-height: 1.22; }
.post-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.post-card .pc-more { margin-top: auto; padding-top: 16px; font-size: 12px; font-weight: 800; color: var(--red); display: flex; align-items: center; gap: 6px; }

/* Single article */
.post { max-width: 760px; margin: 0 auto; }
.post .post-meta { display: flex; gap: 14px; align-items: center; color: var(--muted); font-size: 13px; margin: 4px 0 26px; }
.post .post-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--muted); }
.post .post-hero-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); margin: 0 0 30px; }
.post h2 { font-size: 27px; line-height: 1.2; margin: 40px 0 14px; color: #13181d; }
.post h3 { font-size: 21px; line-height: 1.25; margin: 30px 0 12px; color: #13181d; }
.post p { font-size: 17px; line-height: 1.85; color: #2a3138; margin: 0 0 20px; }
.post ul, .post ol { margin: 0 0 22px; padding-left: 22px; }
.post li { font-size: 17px; line-height: 1.8; color: #2a3138; margin-bottom: 9px; }
.post a { color: var(--red); text-decoration: underline; text-underline-offset: 2px; }
.post a:hover { color: var(--red-dark); }
.post blockquote { margin: 26px 0; padding: 16px 20px; border-left: 3px solid var(--red); background: #fafbfc; color: #45505b; font-size: 16px; line-height: 1.7; }
.post .key-takeaway { margin: 28px 0; padding: 20px 22px; border: 1px solid var(--line); background: #fff; }
.post .key-takeaway h3 { margin: 0 0 10px; font-size: 17px; color: var(--red); text-transform: uppercase; letter-spacing: .08em; }
.post .key-takeaway ul { margin: 0; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.related-card { display: block; padding: 18px; border: 1px solid var(--line); background: #fff; text-decoration: none; color: inherit; transition: border-color .2s ease; }
.related-card:hover { border-color: var(--red); }
.related-card .rc-tag { color: var(--red); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.related-card h4 { margin: 8px 0 8px; font-size: 16px; line-height: 1.3; }
.related-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

@media (max-width: 900px) {
  .post-list, .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .post-list, .related-grid { grid-template-columns: 1fr; }
}