/* 基础样式 */
:root {
  --danger-color: #d32f2f;
  /* 主色-报业红 */
  --secondary-color: #2980b9;
  --accent-color: #e74c3c;
  --light-bg: #f8f9fa;
  --dark-text: #000000;
  --paper-cream: #F9F7F0;
  --header-red: #C41200;
  --text-light: #777777;
  --text-white: #ffffff;
  /* 文字色-白色 */
  --primary-color: #246ae4;
}

ul li {
  list-style: none;
}

a {
  text-decoration: none;
}

.fs-7 {
  font-size: 12px;
}

.img-fluid {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 或使用cover contain根据需求 */
}

body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--paper-cream);
  color: var(--dark-text);
  line-height: 1.6;
  padding-top: 56px;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
}

.date-display {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* 头部样式 */
#szb_bj {
  background-color: #DC3545;
  height: auto;
}

footer {
  padding: 1.5rem 0;
  margin-top: 2rem;
}

.loading-spinner {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
}


/* <!-- 夜间模式样式 --> */
body.night-mode {
  background-color: #121212;
  color: #e0e0e0;
}

/* 内容区域通用样式 */
.content-card {
  margin-bottom: 1.5rem;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.content-card .card-header {
  background-color: var(--primary-color);
  color: white;
  font-weight: bold;
  padding: 0.75rem 1.25rem;
}

/* 响应式调整 */
@media (max-width: 991.98px) {
  .content-card {
    margin-bottom: 1rem;
  }

  .article-item {
    padding: 0.75rem;
  }
}

/* 移动端适配-----平板特定样式 */
@media (max-width: 991.98px) and (min-width: 768px) {

  /* 平板特定样式 */
  .edition-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .content-card {
    margin-bottom: 1.25rem;
  }
}

/* 电脑端特有样式*/
#desktop-layout {
  min-height: calc(100vh - 200px);
}


.card {
  border: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s;

}

.card:hover {
  transform: translateY(-2px);
}

.card-header {
  border-bottom: none;
}

/* 版面导航链接样式 */
.list-unstyled a {
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.2s;
}

.list-unstyled a:hover {
  background-color: var(--light-bg);
  text-decoration: none;
}

.list-unstyled a.active {
  background-color: rgba(255, 255, 255, 0.2);
  color: rgb(227, 16, 16) !important;
}

.list-unstyled a.active .badge {
  background-color: rgb(232, 12, 12) !important;
  color: var(--light-bg);
}

/* 移动端特有样式 */
#mobile-layout {
  padding-bottom: 60px;
  /* 为底部导航留出空间 */
}

/* 移动端版次列表样式 */
#mobileEditionsOffcanvas {
  max-height: 100vh;
}

#mobileEditionsOffcanvas .list-group-item {
  padding: 0.5rem 1.5rem;
  font-size: 1rem;

}

#mobileEditionsOffcanvas .list-group-item.active {
  background-color: #f8f9fa;
  color: #0d6efd;
  font-weight: 500;

}

#mobileEditionsOffcanvas .offcanvas-footer {
  background-color: #f8f9fa;
}

/* ------移动端版次列表项样式----- */
#mobile-editions-list .list-group-item {
  padding: 8px 16px;
  /* 增加内边距 */
  border-bottom: 1px dotted #ddd;
  /* 添加底部边框 */
  /* 鼠标悬停时的背景颜色  */
  background-color: #fff;
  /* 初始背景颜色 */
  transition: background-color 0.5s ease;
  /* 添加过渡效果 */
  cursor: pointer;
  /* 添加鼠标指针 */
  color: #575757;
}

#mobile-editions-list .list-group-item:hover {
  background-color: #1b89f7 !important;
  /* 鼠标悬停时的背景颜色 */
}

#mobile-editions-list.list-group-item:last-child {
  border-bottom: none;
  /* 移除最后一个元素的底部边框 */
}

/* ---------移动端版次列表项样式结束------- */

/* 底部导航样式 */
.navbar-fixed-bottom {
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-fixed-bottom .btn-link {
  padding: 0.5rem;
  width: 100%;
}

.btn-link {
  /* 去掉下划线 */
  text-decoration: none;
}

/* 版面轮播样式 */
#mobile-page-carousel {
  border-radius: 8px;
  overflow: hidden;

  width: 100%;
  height: 75vh;
  /* 根据实际需要调整 */
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  /* 启用iOS惯性滚动 */
}

.carousel-item img {
  max-height: 70vh;
  -o-object-fit: contain;
  object-fit: contain;
}

/* 版次卡片样式 */
.edition-card {
  cursor: pointer;
  transition: transform 0.2s;
}

.edition-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 移动端版面图滑动区域 */
/* 添加在现有CSS文件中 */
.swiper-container {
  touch-action: pan-y;
  width: 100%;
  height: auto;
}

.swiper-slide {
  height: 100%;
  text-align: center;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.swiper-slide img {
  display: block;
  /* -o-object-fit: cover;
  object-fit: cover; */

  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  /* pointer-events: none;
  防止图片拦截事件 */
}

.swiper-pagination {
  position: relative;
  margin-top: 10px;
}

.swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background-color: #ccc;
  opacity: 1;
}

.swiper-pagination-bullet-active {
  background-color: #dc3545;
  /* 与主题红色一致 */
}

/* 底部导航按钮激活状态 */
.navbar-fixed-bottom .btn-link:active {
  opacity: 0.7;
}

/* 弹出面板样式调整 */
.offcanvas-bottom {
  height: auto;
  max-height: 80vh;

}

/* 确保面板内容可滚动 */
.offcanvas-body {
  overflow-y: auto;
}

/* 移动端目录列表样式 */
#mobileContentsOffcanvas {
  max-height: 100vh;
}

#mobile-contents-list .list-group-item {
  padding: 0.4rem 1.5rem;

}

#mobile-contents-list .edition-header {
  background-color: #f8f9fa;
  font-weight: 500;
  color: #0d6efd;
}

#mobile-contents-list .article-item {
  padding-left: 2rem;
  border-left: none;
  border-right: none;

}

#mobileContentsOffcanvas .offcanvas-footer {
  background-color: #f8f9fa;
}

/* 模态框样式 */
.article-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  overflow-y: auto;
}

.modal-content {
  background-color: #F9F7F0;
  margin: 2rem auto;
  padding: 2rem;
  width: 80%;
  max-width: 900px;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  position: relative;
}

.modal-content.newspaper-style {
  font-family: 'Noto Serif', serif;
  -moz-column-count: 2;
  column-count: 2;
  -moz-column-gap: 2rem;
  column-gap: 2rem;
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* 动画效果 */
.animate__heartBeat {
  --animate-duration: 0.8s;
}

/* 加载指示器 */
.loading-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

/* 移动端全屏模态框 */
@media (max-width: 991px) {
  .modal-content.fullscreen {
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 0;
  }
}


/* 电脑端新版面导航网格布局 */
.edition-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  padding: 0.75rem;
}

.edition-item {
  display: block;
  border-radius: 0.25rem;
  border: 1px solid #dee2e6;
  text-decoration: none;
  color: var(--dark-text);
  transition: all 0.2s;
}

.edition-item:hover {
  border-color: var(--danger-color);
  background-color: rgba(211, 47, 47, 0.05);
}

.edition-item.active {
  border-color: var(--danger-color);
  background-color: rgba(211, 47, 47, 0.1);
}

.edition-item-content {
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.edition-number {
  font-weight: bold;
  color: var(--danger-color);
  width: 2rem;
}

.edition-name {
  flex: 1;
  margin: 0 0.5rem;
  text-align: left;
}



/* 电脑端新版文章列表交互优化 */
.card .list-group .list-group-item {
  transition: all 0.2s ease;
  border-left: 3px solid transparent !important;
  padding: 1rem;
  border-bottom: 1px solid #eee;
}

.card .list-group .list-group-item:hover {
  border-left-color: var(--danger-color) !important;
  padding-left: 1.25rem !important;
  background-color: #feeeee;
}

.night-mode .card .list-group .list-group-item:hover {
  background-color: #2a2a2a;
}

/* 文章标题颜色变化 */
.card .list-group .list-group-item h6 {
  color: var(--danger-color);
  transition: color 0.2s;
}

.card .list-group .list-group-item:hover h6 {
  color: #a71f1f;
  /* 主色加深 */
}

.btn-outline-danger a:hover {
  color: #fff;
  border-color: #dc3545;
}

.btn-outline-primary a:hover {
  color: #fff;
}

/* 三行文本截断样式 - 兼容Bootstrap 5 */
.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0;
  line-height: 1.6;
  /* 调整行高以获得更好的显示效果 */
  max-height: calc(1.6em * 2);
  /* 3行高度 */
}

/* 保证在夜间模式下的可读性 */
.night-mode .text-truncate-2 {
  color: #e0e0e0 !important;
}


/* 热区高亮样式调整 */
.highlighted {
  outline: 1px dashed rgba(255, 0, 0, 0.5);
  z-index: 10;
}

/* 确保图片容器有相对定位 */
.carousel-item {
  position: relative;
   /* 根据实际需要调整 */
}
/* 确保图片填充容器 */
.carousel-item img {
  width: 100%;
  height: auto;
  object-fit: contain;/* 保持比例完整显示 */

    position: relative;
    padding: 0;
    margin: 0;
    background: none !important; /* 移除背景图 */
}

.maphilighted {
    position: absolute;
    left: 0;
    top: 0;
}

/* 通过CSS伪元素创建更大的不可见热区 */
.hotspot {
  position: relative;
  display: inline-block;
}

.hotspot::after {
  content: '';
  position: absolute;
  top: 40%;
  left: 40%;
  transform: translate(-50%, -50%);
  width: 80px;  /* 扩展后的热区尺寸 */
  height: 80px;
  background: rgba(0,0,0,0.1); /* 调试时可用 */
}