/* С78–С79 · Статьи */
.art-filter { display: flex; gap: 8px; margin: 0 0 10px; }
.art-filter__q { flex: 1 1 auto; max-width: 520px; }
.art-rubrics { margin: 0 0 14px; }
.art-rubrics .chip.is-on, .art-pages .chip.is-on { background: var(--primary-soft); border-color: #BCD3F7; color: var(--primary); }
.art-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.art-grid--3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.art-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.art-card__cover { display: block; aspect-ratio: 16 / 9; background: var(--primary-soft); }
.art-card__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.art-card__ph { display: grid; place-items: center; height: 100%; color: var(--primary); }
.art-card__body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; }
.art-card__meta { margin: 0; font-size: 13px; color: var(--muted); }
.art-card__meta a { color: var(--primary); font-weight: 700; }
.art-card__title { margin: 0; font-size: 17px; line-height: 1.3; }
.art-card__title a { color: var(--text); }
.art-card .muted { margin: 0; }
.art-pages { margin-top: 16px; }
/* статья */
.art-preview { margin: 10px 0; padding: 10px 14px; border-radius: 10px; background: #FFF7E0; border: 1px solid #F1D48A; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.art-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.art-main { min-width: 0; max-width: 760px; }
.art-head h1 { margin: 6px 0 8px; line-height: 1.2; }
.art-lead { font-size: 18px; line-height: 1.5; margin: 0 0 8px; }
.art-cover { margin: 12px 0; }
.art-cover img { width: 100%; height: auto; border-radius: 14px; display: block; }
.art-toc { padding: 12px 16px; margin: 12px 0 8px; }
.art-toc summary { font-weight: 800; cursor: pointer; }
.art-toc ol { margin: 8px 0 0; padding-left: 20px; display: grid; gap: 4px; }
.art-body { font-size: 17px; line-height: 1.65; }
.art-body h2 { margin: 28px 0 10px; font-size: 24px; line-height: 1.25; scroll-margin-top: calc(var(--header-h, 64px) + 12px); }
.art-body h3 { margin: 20px 0 8px; font-size: 19px; }
.art-body p { margin: 0 0 12px; }
.art-body ul, .art-body ol { margin: 0 0 14px; padding-left: 22px; display: grid; gap: 4px; }
.art-body figure { margin: 16px 0; }
.art-body figure img { max-width: 100%; height: auto; border-radius: 12px; display: block; }
.art-body figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }
.art-table { overflow-x: auto; margin: 0 0 16px; border: 1px solid var(--line); border-radius: 12px; }
.art-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.art-table th, .art-table td { padding: 8px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.art-table th { background: var(--bg, #F5F7FA); font-weight: 800; }
.art-table tr:last-child td { border-bottom: 0; }
.art-side { display: grid; gap: 14px; position: sticky; top: calc(var(--header-h, 64px) + 16px); }
.art-box { padding: 14px; }
.art-box h2 { font-size: 17px; margin: 0 0 10px; }
.art-calc, .art-nodes a, .art-where a { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--text); border-top: 1px solid var(--line); }
.art-calc:first-of-type, .art-nodes li:first-child a, .art-where li:first-child a { border-top: 0; }
.art-calc > :last-child { margin-left: auto; color: var(--muted); }
.art-nodes, .art-where { list-style: none; margin: 0 0 8px; padding: 0; }
.art-where img { border-radius: 8px; object-fit: contain; background: #fff; border: 1px solid var(--line); }
.art-similar { margin: 28px 0 8px; }
.art-similar h2 { margin: 0 0 12px; }
/* «Статьи по теме» на страницах категории и материала */
.art-related { margin: 24px 0 8px; }
.art-related__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.art-related__head h2 { margin: 0; font-size: 20px; }
.art-related__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.art-related__item { display: flex; align-items: center; gap: 10px; padding: 12px 14px; color: var(--text); height: 100%; }
.art-related__item:hover { text-decoration: none; border-color: var(--primary); }
@media (max-width: 900px) {
  .art-layout { grid-template-columns: 1fr; gap: 16px; }
  .art-side { position: static; }
}
@media (max-width: 640px) {
  .art-body { font-size: 16px; }
  .art-body h2 { font-size: 21px; }
  .art-lead { font-size: 16px; }
  .art-rubrics { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 2px; }
  .art-rubrics .chip { flex: none; }
}