/* Articles page (Articles.dc.html). */

.articles-aside { flex: 1 1 220px; max-width: 280px; }
.articles-main { flex: 3 1 480px; }
.articles-title { margin: 0; font-size: clamp(40px, 5vw, 56px); line-height: 1.05; font-weight: 700; }
.articles-intro { margin: 14px 0 0; font-size: 15px; line-height: 1.7; color: var(--text-75); }
.filter-label { margin-top: 32px; font-size: 12px; letter-spacing: .12em; color: var(--text-70); }

.cat-filters { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; margin-top: 10px; }
.cat-filter {
  background: none; border: 0; padding: 6px 0; cursor: pointer; font: inherit; font-size: 16px;
  text-align: left; color: var(--color-text);
}
.cat-filter::before { content: "○ "; }
.cat-filter[aria-pressed="true"] { color: var(--color-accent-700); font-weight: 700; }
.cat-filter[aria-pressed="true"]::before { content: "● "; }
.cat-filter:hover { color: var(--color-accent-600); }
.cat-count { font-size: 13px; font-weight: 400; color: color-mix(in srgb, var(--color-text) 60%, transparent); }

.year-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.year-filter {
  cursor: pointer; font: inherit; font-size: 13px; padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--color-text); background: transparent; color: var(--color-text); white-space: nowrap;
}
.year-filter[aria-pressed="true"] { background: var(--color-text); color: var(--color-bg); }
.cat-filter:focus-visible, .year-filter:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.more-articles { display: inline-block; margin-top: 36px; font-size: 15px; font-weight: 600; }

/* — pinned story — */
.pinned { display: flex; flex-direction: column; color: var(--color-text); margin-bottom: 48px; }
.pinned:hover { color: var(--color-accent-700); text-decoration: none; }
.pinned img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top; }
.pinned-meta { margin-top: 18px; font-size: 12px; letter-spacing: .12em; font-weight: 600; color: var(--color-accent-700); }
.pinned-title { margin-top: 10px; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.25; font-weight: 700; }
.pinned-excerpt { margin-top: 12px; font-size: 16px; line-height: 1.75; max-width: 62ch; color: color-mix(in srgb, var(--color-text) 78%, transparent); }

/* — year groups — */
.year-group { margin-bottom: 40px; }
.year-group-title { margin: 0 0 20px; font-size: 28px; font-weight: 600; color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.entry-list { display: flex; flex-direction: column; gap: 28px; }
.entry {
  display: grid; grid-template-columns: minmax(120px, 200px) minmax(0, 1fr); gap: 24px; align-items: start;
  color: var(--color-text);
}
.entry:hover { color: var(--color-accent-700); text-decoration: none; }
.entry img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: top; background: var(--color-surface); }
.entry-text { display: flex; flex-direction: column; min-width: 0; }
.entry-meta { font-size: 12px; letter-spacing: .1em; font-weight: 600; }
.entry-meta-case { color: var(--text-75); }
.entry-title { margin-top: 8px; font-size: 19px; line-height: 1.35; font-weight: 700; }
.entry-excerpt { margin-top: 8px; font-size: 15px; line-height: 1.7; color: var(--text-75); }
.articles-empty { font-size: 16px; color: var(--text-70); }
.entry-meta-zhihu { color: var(--color-accent-700); }
/* Zhihu articles without pictures: a plain paper block keeps the list aligned. */
.entry-noimg {
  display: grid; place-items: center; aspect-ratio: 16 / 9; background: var(--color-surface);
  border-top: 2px solid var(--color-text); border-bottom: 1px solid var(--color-text);
}
.entry-noimg::after { content: "知乎专栏"; font-size: 13px; letter-spacing: .12em; color: var(--text-70); }