/* 黄帝文化 · 全部内容列表页 / 内容详情页 共用样式
   风格与全站一致：中式衬线标题、主色红 #b8332a、米白背景、留白充足。 */

:root {
  --cl-red: #b8332a;
  --cl-red-deep: #8e281b;
  --cl-ink: #26211e;
  --cl-muted: #827c75;
  --cl-line: #e9e2d8;
  --cl-paper: #f8f5ee;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  color: #4e4944;
  background: #fcfbf8;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-shell {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 页头 ===== */
.culture-list-hero {
  height: 300px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(251, 246, 236, .95) 0%, rgba(251, 246, 236, .7) 52%, rgba(251, 246, 236, .35) 100%),
    url("../images/1.png") 70% 40% / cover no-repeat;
}

.culture-list-hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.culture-list-hero h1 {
  color: var(--cl-red);
  font: 600 44px/1.2 Georgia, "Songti SC", STSong, SimSun, serif;
  letter-spacing: 10px;
}

.culture-list-hero p {
  margin-top: 14px;
  color: #5c534b;
  font: 17px/1.8 Georgia, "Songti SC", STSong, SimSun, serif;
  letter-spacing: 4px;
}

/* ===== 区块标题 ===== */
.culture-list-wrap { padding-top: 46px; padding-bottom: 64px; }

.culture-list-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--cl-line);
}

.culture-list-head h2 {
  color: var(--cl-red-deep);
  font: 600 30px/1.3 Georgia, "Songti SC", STSong, SimSun, serif;
  letter-spacing: 5px;
}

.culture-list-head h2::after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-top: 12px;
  background: var(--cl-red);
}

.culture-list-head p {
  margin-top: 12px;
  color: var(--cl-muted);
  font-size: 13px;
  line-height: 1.8;
}

.culture-list-back {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid var(--cl-line);
  color: var(--cl-red-deep);
  font-size: 13px;
  letter-spacing: 1px;
  transition: border-color .2s, color .2s, background .2s;
}

.culture-list-back:hover { border-color: var(--cl-red); background: #fff5f2; }

/* ===== 栏目筛选 ===== */
.culture-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 30px;
}

.culture-filter button {
  padding: 9px 18px;
  border: 1px solid var(--cl-line);
  background: #fff;
  color: #716b64;
  font-size: 13px;
  letter-spacing: 1px;
  transition: .2s;
}

.culture-filter button:hover { color: var(--cl-red); border-color: #e3bdb5; }

.culture-filter button[aria-pressed="true"] {
  background: var(--cl-red);
  border-color: var(--cl-red);
  color: #fff;
  font-weight: 600;
}

/* ===== 卡片网格 ===== */
.culture-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.culture-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #ece5dc;
  background: #fffdfa;
  transition: box-shadow .25s, transform .25s, border-color .25s;
}

.culture-card:hover {
  border-color: #e0b9af;
  box-shadow: 0 12px 26px rgba(100, 70, 40, .1);
  transform: translateY(-3px);
}

.culture-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f1ebe1;
}

.culture-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s;
}

.culture-card:hover .culture-card-media img { transform: scale(1.04); }

.culture-card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  background: rgba(184, 51, 42, .9);
  color: #fff;
  font-size: 11px;
  letter-spacing: 1px;
}

.culture-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 17px 18px 20px;
}

.culture-card-body h3 {
  color: #2d2824;
  font: 600 19px/1.5 Georgia, "Songti SC", STSong, SimSun, serif;
  letter-spacing: 1px;
}

.culture-card-body p {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 10px;
  color: #6d6760;
  font-size: 13px;
  line-height: 1.85;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.culture-card-more {
  margin-top: auto;
  padding-top: 14px;
  color: var(--cl-red);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ===== 加载更多 / 空态 ===== */
.culture-list-more-wrap { margin-top: 34px; text-align: center; }

.culture-load-more {
  padding: 12px 34px;
  border: 1px solid var(--cl-red);
  background: #fff;
  color: var(--cl-red);
  font-size: 14px;
  letter-spacing: 2px;
  transition: .2s;
}

.culture-load-more:hover { background: var(--cl-red); color: #fff; }

.culture-empty {
  margin-top: 30px;
  color: var(--cl-muted);
  font-size: 14px;
  text-align: center;
}

/* ===== 内容详情页 ===== */
.article-main { padding-top: 34px; padding-bottom: 64px; }

.article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  color: var(--cl-muted);
  font-size: 13px;
}

.article-breadcrumb a { color: var(--cl-muted); transition: color .2s; }
.article-breadcrumb a:hover { color: var(--cl-red); }
.article-breadcrumb .sep { color: #c9c0b5; }

.culture-article {
  max-width: 900px;
  margin: 0 auto;
}

.culture-article h1 {
  color: #2d2824;
  font: 600 34px/1.45 Georgia, "Songti SC", STSong, SimSun, serif;
  letter-spacing: 3px;
  text-align: center;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  margin-top: 16px;
  color: var(--cl-muted);
  font-size: 13px;
}

.article-cover {
  margin: 28px 0 4px;
  overflow: hidden;
  background: #f1ebe1;
}

.article-cover img {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: cover;
}

.article-icon {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  margin: 26px auto 4px;
  border: 2px solid rgba(190, 139, 78, .5);
  border-radius: 50%;
  color: var(--cl-red-deep);
  font: 44px/1 "KaiTi", STKaiti, Georgia, serif;
  background: #fbf6ec;
}

.article-icon[hidden] { display: none; }

.article-icon img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }

.article-body {
  margin-top: 30px;
  color: #4e4944;
  font-size: 15.5px;
  line-height: 2.05;
  text-align: justify;
}

.article-body p { margin: 0 0 16px; }
.article-body img { max-width: 100%; height: auto; }
.article-body h2, .article-body h3 { color: var(--cl-red-deep); margin: 22px 0 12px; }

.article-note {
  margin-top: 24px;
  padding: 14px 18px;
  border-left: 3px solid var(--cl-red);
  background: #fbf4ee;
  color: #8a7b6c;
  font-size: 13px;
  line-height: 1.9;
}

.article-related {
  margin-top: 36px;
  padding: 22px 24px;
  border: 1px solid var(--cl-line);
  background: #fffdfa;
}

.article-related h2 {
  color: var(--cl-red-deep);
  font: 600 18px/1.4 Georgia, "Songti SC", STSong, SimSun, serif;
  letter-spacing: 2px;
}

.article-related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.article-related-list a {
  padding: 9px 18px;
  border: 1px solid var(--cl-line);
  color: var(--cl-red-deep);
  font-size: 13px;
  transition: .2s;
}

.article-related-list a:hover { border-color: var(--cl-red); background: #fff5f2; }

.article-error {
  max-width: 620px;
  margin: 40px auto;
  padding: 40px 32px;
  border: 1px solid var(--cl-line);
  background: #fffdfa;
  text-align: center;
}

.article-error p { color: #6d6760; font-size: 15px; line-height: 1.9; }

.article-error .article-back { margin-top: 22px; }

.article-back {
  display: inline-block;
  padding: 11px 28px;
  border: 1px solid var(--cl-red);
  color: var(--cl-red);
  font-size: 14px;
  letter-spacing: 2px;
  transition: .2s;
}

.article-back:hover { background: var(--cl-red); color: #fff; }

.article-foot { max-width: 900px; margin: 44px auto 0; text-align: center; }

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .culture-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .page-shell { padding-left: 16px; padding-right: 16px; }
  .culture-list-hero { height: 220px; }
  .culture-list-hero h1 { font-size: 32px; letter-spacing: 6px; }
  .culture-list-hero p { font-size: 14px; letter-spacing: 2px; }
  .culture-list-wrap { padding-top: 30px; padding-bottom: 48px; }
  .culture-list-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .culture-list-head h2 { font-size: 24px; letter-spacing: 3px; }
  .culture-filter { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .culture-filter::-webkit-scrollbar { display: none; }
  .culture-filter button { flex: 0 0 auto; padding: 8px 14px; font-size: 12px; }
  .culture-cards { grid-template-columns: 1fr; gap: 18px; }
  .culture-article h1 { font-size: 25px; letter-spacing: 2px; }
  .article-body { font-size: 15px; }
}