/* ========================================
   图书馆 · 机构设置补充样式
   ======================================== */

.hidden {
  display: none !important;
}

/* 首页轮播 */
.lib-banner-carousel {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 20px;
  aspect-ratio: 21 / 7;
  min-height: 180px;
  border: 1px solid #eee5e2;
}

.lib-banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s;
  background-size: cover;
  background-position: center;
}

.lib-banner-slide.active {
  opacity: 1;
}

.lib-banner-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(107, 20, 20, 0.55) 0%, transparent 60%);
}

.lib-banner-text {
  position: absolute;
  left: 32px;
  bottom: 28px;
  z-index: 1;
  color: #fff;
}

.lib-banner-text h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  margin-bottom: 6px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.lib-banner-text p {
  font-size: 14px;
  opacity: 0.9;
}

.lib-banner-dots {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 2;
  display: flex;
  gap: 8px;
}

.lib-banner-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.lib-banner-dot.active {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

/* 全馆检索 */
.lib-search-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  border: 1px solid rgba(140, 28, 28, 0.15);
  border-radius: 4px;
  padding: 28px 32px;
  margin-bottom: 24px;
  color: #fff;
  box-shadow: 0 4px 16px rgba(107, 20, 20, 0.12);
}

.lib-search-hero h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 16px;
}

.lib-search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.lib-search-form select,
.lib-search-form input[type="search"] {
  padding: 10px 14px;
  border: none;
  border-radius: 3px;
  font-size: 14px;
}

.lib-search-form input[type="search"] {
  flex: 1;
  min-width: 200px;
}

.lib-search-form .po-btn-primary {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: #5c3d00;
  font-weight: 500;
}

.lib-search-form .po-btn-primary:hover {
  background: #e8c547;
  border-color: #e8c547;
}

/* 开馆状态 */
.lib-open-status {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  margin-bottom: 20px;
}

.lib-open-status.open {
  border-left: 4px solid #2e9e5b;
}

.lib-open-status.closed {
  border-left: 4px solid #999;
}

.lib-open-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.lib-open-status.open .lib-open-dot {
  background: #2e9e5b;
  box-shadow: 0 0 0 4px rgba(46, 158, 91, 0.2);
}

.lib-open-status.closed .lib-open-dot {
  background: #999;
}

.lib-open-status strong {
  display: block;
  font-size: 15px;
  color: #333;
}

.lib-open-status span {
  font-size: 13px;
  color: #666;
}

.lib-open-status time {
  margin-left: auto;
  font-size: 12px;
  color: #999;
}

/* 概况统计 */
.lib-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.lib-stat-card {
  text-align: center;
  padding: 20px 12px;
  background: #faf8f7;
  border: 1px solid #eee5e2;
  border-radius: 4px;
}

.lib-stat-card strong {
  display: block;
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.lib-stat-card span {
  font-size: 13px;
  color: #666;
}

/* 图库 */
.lib-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.lib-gallery-item {
  margin: 0;
  cursor: pointer;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid #eee5e2;
  transition: box-shadow 0.2s;
}

.lib-gallery-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.lib-gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.lib-gallery-item figcaption {
  padding: 10px 12px;
  background: #fff;
  font-size: 13px;
}

.lib-gallery-item figcaption strong {
  display: block;
  color: #333;
  margin-bottom: 2px;
}

.lib-gallery-item figcaption span {
  color: #888;
}

.lib-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lib-lightbox.hidden {
  display: none;
}

.lib-lightbox img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 4px;
}

.lib-lightbox p {
  color: #fff;
  margin-top: 16px;
  font-size: 14px;
}

.lib-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
}

/* 部门动态 · 活动风采（与新闻列表统一布局） */
.lib-activity-list {
  gap: 16px;
}

.lib-activity-item .news-item-thumb {
  width: 200px;
  flex-shrink: 0;
}

.lib-activity-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.lib-activity-thumbs img {
  width: 56px;
  height: 42px;
  object-fit: cover;
  border-radius: 2px;
  border: 1px solid #eee5e2;
}

.lib-views {
  color: #aaa;
}

/* 通知卡片 */
.lib-notice-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lib-notice-card {
  padding: 20px;
  background: #fff;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  position: relative;
}

.lib-notice-card.pinned {
  border-color: rgba(140, 28, 28, 0.35);
}

.lib-notice-pin {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  color: #fff;
  background: var(--color-primary);
  border-radius: 2px;
  margin-bottom: 8px;
}

.lib-notice-card h4 {
  font-size: 15px;
  font-weight: normal;
  margin-bottom: 8px;
  color: #333;
}

.lib-notice-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.75;
}

.lib-notice-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 12px;
  color: #999;
}

/* 飘窗 */
.lib-notice-popup {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1500;
  width: 320px;
  background: #fff;
  border: 1px solid rgba(140, 28, 28, 0.25);
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.lib-notice-popup.hidden {
  display: none;
}

.lib-notice-popup-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-primary);
  color: #fff;
}

.lib-notice-popup-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.lib-notice-popup-body {
  padding: 16px;
  font-size: 13px;
  color: #666;
  line-height: 1.75;
}

.lib-notice-popup-body a {
  display: inline-block;
  margin-top: 10px;
  color: var(--color-primary);
  font-size: 13px;
}

/* 读者服务 */
.lib-recommend-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lib-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.lib-recommend-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: #333;
  min-width: 0;
}

.lib-recommend-form .lib-field-label {
  display: inline-block;
  line-height: 1.4;
  min-height: 1.4em;
  color: #333;
}

.lib-recommend-form .lib-req {
  color: var(--color-primary);
  font-size: 0.85em;
  font-weight: 600;
  margin-left: 2px;
  vertical-align: super;
  line-height: 0;
}

.lib-recommend-form input,
.lib-recommend-form select,
.lib-recommend-form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 14px;
  min-height: 40px;
}

.lib-recommend-form textarea {
  min-height: 96px;
  resize: vertical;
}

.lib-form-full {
  width: 100%;
}

.lib-form-actions {
  display: flex;
  gap: 10px;
}

.lib-form-tip {
  margin-top: 12px;
  font-size: 12px;
  color: #999;
}

.lib-wechat-block {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.lib-wechat-qr {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border: 1px solid #eee;
  border-radius: 4px;
  overflow: hidden;
}

.lib-wechat-qr img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lib-wechat-block h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.lib-wechat-block p {
  font-size: 14px;
  color: #666;
  line-height: 1.75;
  margin-bottom: 16px;
}

.lib-wechat-features {
  font-size: 13px;
  color: #666;
  line-height: 2;
  padding-left: 18px;
}

.lib-rules-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lib-rule-card {
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #eee5e2;
  border-radius: 4px;
}

.lib-rule-card h4 {
  font-size: 15px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.lib-rule-card p,
.lib-rule-card li {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

.lib-rule-card ul {
  padding-left: 18px;
}

.lib-faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lib-faq-item {
  border: 1px solid #eee5e2;
  border-radius: 4px;
  padding: 12px 16px;
  background: #fff;
}

.lib-faq-item summary {
  cursor: pointer;
  font-size: 14px;
  color: #333;
}

.lib-faq-item p {
  margin-top: 10px;
  font-size: 13px;
  color: #666;
  line-height: 1.75;
}

/* 馆藏检索 · 外部跳转 */
.lib-catalog-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.lib-catalog-link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 28px 24px;
  background: #fff;
  border: 1px solid #eee5e2;
  border-top: 3px solid var(--color-primary);
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.lib-catalog-link:hover {
  border-color: rgba(140, 28, 28, 0.35);
  box-shadow: 0 6px 20px rgba(140, 28, 28, 0.08);
}

.lib-catalog-link h3 {
  font-size: 17px;
  font-weight: normal;
  color: #333;
  font-family: var(--font-serif);
}

.lib-catalog-link p {
  font-size: 13px;
  color: #666;
  line-height: 1.75;
  flex: 1;
}

.lib-catalog-link-btn {
  display: inline-block;
  padding: 8px 20px;
  font-size: 13px;
  color: #fff;
  background: var(--color-primary);
  border-radius: 3px;
  transition: background 0.2s;
}

.lib-catalog-link:hover .lib-catalog-link-btn {
  background: var(--color-primary-dark);
}

/* 电子图书 */
.lib-ebook-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
}

.lib-ebook-search {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 14px;
}

.lib-ebook-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lib-ebook-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #eee5e2;
  border-radius: 4px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.lib-ebook-card:hover {
  border-color: rgba(140, 28, 28, 0.35);
  box-shadow: 0 4px 16px rgba(140, 28, 28, 0.06);
}

.lib-ebook-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  flex-shrink: 0;
}

.lib-ebook-info {
  flex: 1;
  min-width: 0;
}

.lib-ebook-info h4 {
  font-size: 15px;
  font-weight: normal;
  color: #333;
  margin-bottom: 4px;
}

.lib-ebook-info p {
  font-size: 13px;
  color: #888;
}

.lib-ebook-auth {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--color-primary);
  background: rgba(140, 28, 28, 0.08);
  border-radius: 2px;
}

.lib-ebook-go {
  font-size: 13px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* 分页 */
.news-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid #eee;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  color: #666;
  transition: all 0.2s;
}

.page-btn:hover:not(:disabled),
.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-info {
  font-size: 13px;
  color: #999;
  margin: 0 8px;
}

@media (max-width: 992px) {
  .lib-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lib-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lib-media-card {
    flex-direction: column;
  }

  .lib-catalog-links {
    grid-template-columns: 1fr;
  }

  .lib-wechat-block {
    flex-direction: column;
  }

  .lib-form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .lib-stat-grid,
  .lib-gallery-grid {
    grid-template-columns: 1fr;
  }

  .lib-notice-popup {
    right: 12px;
    left: 12px;
    width: auto;
  }
}