/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #ffffff;
  padding-top: 147px; /* PC端的padding */
  width: 100%;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: #333;
}

ul,
li {
  list-style: none;
}
.mobile-menu{
  display: none;
}
.container {
  width: 1408px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
}

img {
  max-width: 100%;
  height: auto;
}

/* 顶部导航栏 */
header {
  background-color: #c23032;
  color: #fff;
  position: fixed;
  top: 0; /* 恢复原来的位置 */
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 147px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  height: 90px;
}

.logo {
  width: 366px;
  margin-left: 20px;
  margin-top: 10px;
}

.logo img {
  height: auto;
  width:28rem;
}

/* 顶部右侧区域 */
.top-right {
  display: flex;
  align-items: center;
  margin-right: 0px;
}

/* 语言菜单 */
.lang-menu {
  display: flex;
  align-items: center;
  margin-left: 20px;
}

.lang-menu a {
  display: inline-block;
  padding: 0 10px;
  color: #f19897; /* 未激活状态颜色 */
  text-decoration: none;
  font-weight: bold;
  position: relative;
  transition: color 0.3s ease;
  font-size: 16px;
}

.lang-menu a:not(:last-child)::after {
  content: "|";
  position: absolute;
  right: -2px;
  color: #f19897;
}

.lang-menu a.active {
  color: #ffc691; /* 激活状态颜色 */
}

.lang-menu a:hover {
  color: #ffc691; /* 悬停时也使用激活颜色 */
}

/* 搜索区域 */
.search-container {
  display: flex;
  align-items: center;
  margin-right: 15px;
  position: relative;
}

.search-icon {
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  z-index: 2;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  /* background-image: url("../images/search.png"); */
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.search-icon .fa-search {
  display: none;
}

.search-input {
  position: absolute;
  right: 30px;
  width: 0;
  height: 30px;
  padding: 0 10px;
  border: none;
  border-radius: 0; /* 去掉圆角 */
  background-color: #fff;
  transition: all 0.3s ease;
  opacity: 0;
  outline: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  font-size: 14px;
  color: #333;
}

.search-container:hover .search-input,
.search-input:focus {
  width: 220px;
  opacity: 1;
}

/* 导航容器 */
.nav-container {
  background-color: #c23032;
  border-top: none;
  height: 57px;
  display: flex;
  align-items: center;
}

/* 导航菜单 */
.main-nav {
  width: 100%;
  height: 100%;
}

.main-nav ul {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  margin: 0;
  height: 100%;
  align-items: center;
}

.main-nav li {
  padding: 0;
  text-align: center;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-nav a {
  color: #fff;
  text-decoration: none;
  display: block;
  padding: 0 20px;
  line-height: normal;
  font-weight: 500;
  position: relative;
  font-size: 18px; /* 一级菜单字体大小 */
  transition: all 0.3s ease;
}

.main-nav > ul > li > a:after {
  display: none;
}

.main-nav > ul > li:hover > a:after {
  width: 0;
}

.main-nav a:hover {
  color: #fff;
  background-color: transparent;
}

/* 二级菜单 */
.submenu {
  display: none;
  position: absolute;
  top: 75px;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  min-width: 180px;
  background-color: #fff;
  z-index: 1001;
  padding: 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border: 1px solid #eee;
  border-bottom: 3px solid #c23032;
  margin-top: 0;
  border-radius: 0;
  text-align: center;
}

/* 添加指向一级菜单的三角形 */
.submenu:before {
  content: "";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #fff;
  z-index: 2;
}

.main-nav li:hover .submenu {
  display: block;
}

.submenu ul {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  flex-direction: column;
  list-style: none;
}

.submenu li {
  padding: 0;
  text-align: center;
  display: block;
  width: 100%;
  margin: 0;
  flex: none;
  border: none;
}

.submenu li + li {
  border-top: 1px solid #f0f0f0;
  margin-top: 0;
}

.submenu a {
  color: #333;
  padding: 12px 20px;
  display: block;
  text-decoration: none;
  font-weight: normal;
  line-height: 1.5;
  font-size: 15px; /* 二级菜单字体大小 */
  position: relative;
  transition: all 0.3s ease;
  white-space: nowrap; /* 确保文本不换行，保持在一行 */
}

.submenu a:hover {
  color: #c23032;
  background-color: #f9f9f9;
}

/* 处理长文本 */
.submenu a span {
  display: inline-block;
  text-align: center;
  width: 100%;
  line-height: 1.4;
  word-wrap: break-word;
  white-space: nowrap; /* 允许文本换行 */
}

/* 为特别长的菜单项添加特殊样式 */
.submenu a.long-text {
  white-space: normal; /* 允许长文本换行 */
  padding: 8px 15px; /* 调整内边距 */
  line-height: 1.3; /* 调整行高 */
}

/* 轮播图区域 */
.banner {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.banner-swiper {
  width: 100%;
  position: relative;
}

.banner-image {
  position: relative;
  width: 100%;
}

.banner-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.banner-image a {
  display: block;
  width: 100%;
  height: 100%;
}

.banner-text {
  position: absolute;
  bottom: 30px;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 15px;
  font-size: 24px;
  text-align: center;
}

/* Swiper分页器样式 */
.swiper-pagination {
  position: absolute;
  bottom: 20px;
  right: 20px;
  left: auto;
  width: auto !important;
  text-align: right;
  z-index: 10;
}

.swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: #fff;
  opacity: 0.5;
  margin: 0 10px !important;
  border-radius: 50%;
}

.swiper-pagination-bullet-active {
  opacity: 1;
  background: #c22d2d;
}

/* 主要内容区域 */
main {
  padding: 30px 0;
  width: 100%;
}

@media only screen and (max-width: 768px) {
  main {
    padding: 0 13px;
  }
  
  /* 隐藏banner分页器 */
  .banner-swiper .banner-pagination,
  .banner .swiper-container-horizontal > .banner-pagination {
    display: none !important;
  }
}

main > .container,
.content-row,
.three-columns {
  width: 1408px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 0;
  box-sizing: border-box;
  overflow-x: hidden;
}

.content-row {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
  gap: 30px;
}

.column.left {
  width: 835px;
  flex-shrink: 0;
}

.column.right {
  width: 496px;
  padding-left: 0;
  flex-shrink: 0;
}

/* 新的标题样式 - 与工商管理学院网站一致 */
.item-hd {
  position: relative;
  margin-bottom: 20px;
  padding: 10px 0;
  border-bottom: 1px solid #e0e0e0;
}

.item-hd.w100 {
  width: 100%;
}

.item-hd.flex {
  display: flex;
}

.item-hd.flex-main-between {
  justify-content: space-between;
}

.item-hd span.titleLink {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  position: relative;
  padding-left: 15px;
  cursor: pointer;
}

.item-hd span.titleLink:before {
  content: "";
  position: absolute;
  left: 2em; /* 间隔两个文字区域 */
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background-color: #c22d2d;
}

.item-hd a {
  color: #999;
  font-size: 16px;
  transition: all 0.3s ease;
}

.item-hd a:hover {
  color: #c22d2d;
}

.pr {
  position: relative;
}

/* 标题样式 */
.section-title-special {
  position: relative;
  margin-bottom: 20px;
  padding-bottom: 0;
  border-bottom: none;
}

.section-title-special h2 {
  font-size: 22px;
  font-weight: bold;
  color: #333;
  display: inline-block;
  padding-bottom: 8px;
  position: relative;
  margin-left: 0;
  border-bottom: none;
}

.section-title-special h2:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 2em; /* 间隔两个文字区域 */
  width: 100%;
  height: 1px;
  background-color: #e0e0e0;
}

.section-title-special:before {
  content: "";
  position: absolute;
  top: 0;
  left: 2em; /* 间隔两个文字区域 */
  width: 40px;
  height: 4px;
  background-color: #c22d2d;
  z-index: 1;
}

/* 保留原有的section-title样式，但修改为新的样式 */
.section-title {
  position: relative;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0e0e0;
}

.section-title h2 {
  font-size: 22px;
  font-weight: bold;
  color: #333;
  display: inline-block;
  padding-left: 15px;
  position: relative;
}

.section-title h2:before {
  content: "";
  position: absolute;
  top: 50%;
  left: 2em; /* 间隔两个文字区域 */
  transform: translateY(-50%);
  width: 6px;
  height: 22px;
  background-color: #c22d2d;
}

.news-feature {
  position: relative;
}

.news-feature img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.news-feature h3 {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 15px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 18px;
}

/* 通知公告 */
.notification-list {
  height: 508px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  margin-top: -0;
  padding: 3px 0;
}

.notification-list li {
  /* border-bottom: 1px dashed #ddd; */
  padding: 0;
  /* height: 84.5px;  */
  box-sizing: border-box;
  cursor: pointer;
}

.notification-list li a {
  display: flex;
  align-items: center;
  /* padding: 15px 0; */
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

/* 移除之前的伪类分隔线样式 */
.notification-list li a::after {
  display: none;
}

.notification-list li:hover a {
  color: #9d1d22;
}

.notification-list li:hover .notice-type {
  background: #9d1d22;
  color: #fff;
}

/* 添加分隔线元素样式 */
.notice-line {
  display: inline-block;
  width: 1px;
  height: 47px;
  background: #999999;
  margin: 0 12px;
  transition: all 0.3s ease;
}

/* 添加分隔线的hover效果 */
.notification-list li:hover .notice-line {
  background: #9d1d22; /* 与hover时文本颜色一致 */
}

.notification-list .notice-content {
  flex: 1;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #333;
  font-size: 18px;
  line-height: 1.2;
}

.notification-list a:hover .notice-content {
  color: #9d1d22;
}

.notice-type {
  display: inline-block;
  width: 72px; /* 设置标签宽度2px */
  height: 47px; /* 设置标签高度7px */
  background-color: #f0f0f0;
  color: #666;
  border-radius: 0; /* 去掉圆角 */
  font-size: 16px; /* 通知公告标签字体大小 */
  text-align: center;
  padding: 7px 12px; /* 设置标签文本内边距为7px 12px */
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2; /* 降低行高 */
}

.notice-type.institute {
  width: 72px;
  height: 47px;
  background: #e5e5e5;
}

.notification-list li:hover .notice-type.institute {
  background: #9d1d22;
  color: #fff;
}

.notice-date {
  color: #999;
  font-size: 14px;
  margin-left: 10px;
  display: flex;
  align-items: center;
  height: 100%;
}

/* 三栏内容区域 */
.three-columns {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
  justify-content: space-between;
}

.three-columns .column {
  flex: 1;
  width: calc((1408px - 60px) / 3); /* 考虑到三列之间的两个30px间隙 */
  box-sizing: border-box;
}

.media-item {
  position: relative;
  border: 1px solid #eee;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  width: 100%;
  margin: 0;
  box-sizing: border-box;
  overflow: hidden;
  border-radius: 0; /* 去掉圆角 */
}

.media-item:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  /* transform: translateY(-3px); */
}

.media-item img:not(.calendar-icon) {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  margin: 0 auto;
  transition: transform 0.3s ease;
}

.media-item:hover img:not(.calendar-icon) {
  transform: scale(1.02);
}

.media-item p {
  margin: 20px; /* 调整边距与日历图标一致 */
  color: #333;
  font-weight: normal;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap; /* 修改为单行显示 */
  font-size: 20px; /* 修改字体大小20px */
  display: block; /* 修改为块级显示 */
}

.media-item:hover p {
  color: #9d1d22;
}

.media-item .date {
  display: flex;
  align-items: center;
  color: #999;
  font-size: 14px;
  margin: 0 20px 20px;
}

.calendar-icon {
  width: 15px;
  height: 15px;
  margin-right: 10px;
  vertical-align: middle;
  margin-top: -3px;
}

.media-item a {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

/* 视频和宣传图区域 */
.video-promo {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
}

.video-container {
  flex: 2;
  display: flex;
  background-color: #fff;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.video-thumbnail {
  flex: 0.8;
  position: relative;
}

.video-thumbnail img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 5;
  opacity: 0.9;
  transition: transform 0.3s ease;
}

.play-button:hover {
  transform: translate(-50%, -50%) scale(1.1);
  opacity: 1;
}

.play-button .play-icon {
  width: 80px;
  height: 80px;
}

.institute-info {
  flex: 1.2;
  padding-left: 25px;
}

.institute-info h3 {
  margin-bottom: 15px;
  color: #c22d2d;
}

.institute-info p {
  margin-bottom: 10px;
  font-size: 14px;
  color: #666;
}

.promo-images {
  flex: 1;
  display: flex;
  gap: 20px;
}

.promo-box {
  flex: 1;
  background-color: #fff;
  padding: 15px;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid #eee;
}

.promo-box:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.promo-box img {
  width: 100%;
  height: 130px;
  object-fit: contain;
  margin-bottom: 10px;
}

.promo-box h4 {
  margin-bottom: 5px;
  color: #333;
  font-size: 16px;
}

.promo-box p {
  color: #666;
  font-size: 14px;
}

/* 页脚区域 */
footer {
  background-color: #9d1d22;
  color: #fff;
  padding: 30px 0 0;
  width: 100%;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 30px;
  width: 100%;
  padding-top: 10px;
}

/* 创建左侧容器 */
.footer-left-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer-logo {
  margin-right: 30px;
}

.footer-logo img {
  width: 340px;
}

/* 联系方式盒子样式 */
.contact-box {
  display: flex;
  margin-left: 30px;
  margin-top: 10px;
  position: relative;
  overflow: visible; /* 确保子元素不会被裁剪 */
}

.footer-contact,
.footer-wechat,
.footer-email {
  text-align: left;
  flex: 0 1 auto;
  min-width: auto;
  margin-right: 20px;
  margin-left: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  position: relative;
}

/* .footer-contact:not(:last-child),
.footer-wechat:not(:last-child) {
  border-right: 1px solid rgba(255, 255, 255, 0.2);
} */

.footer-contact:first-child {
  padding-left: 0;
}

.footer-email:last-child {
  margin-right: 0;
  padding-right: 0;
}

.footer-contact h3,
.footer-wechat h3,
.footer-email h3 {
  font-size: 16px;
  margin-bottom: 5px;
  font-weight: 600;
  color: #fff;
}

.footer-contact p,
.footer-wechat p,
.footer-email p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* 添加底部联系我们区域的a标签样式 */
.footer-contact a,
.footer-wechat a,
.footer-email a {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.3s ease;
}

.footer-contact a:hover,
.footer-wechat a:hover,
.footer-email a:hover {
  opacity: 0.8;
}

.dropdown-container {
  display: flex;
  gap: 15px;
  margin-left: auto;
  align-items: flex-start;
  flex-wrap: wrap;
}

.dropdown-box {
  position: relative;
  width: 160px; /* 恢复原来的宽度 */
  cursor: pointer;
}

.dropdown-title {
  width: 100%;
  height: 30px;
  display: flex;
  align-items: center;
  background-color: #9d1d22;
  padding-left: 16px;
  padding-right: 30px;
  color: #fff;
  font-size: 14px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.dropdown-title::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-image: url("../images/xiala.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.dropdown-list {
  position: absolute;
  top: 100%;
  left: 0;
  width: 200px; /* 只改变下拉列表的宽度 */
  background-color: #9d1d22;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-top: none;
  display: none;
  z-index: 1000;
  max-height: 250px;
  overflow-y: auto;
}

.dropdown-box:hover .dropdown-title {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.dropdown-box:hover .dropdown-list {
  display: block;
}

.dropdown-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.dropdown-list li:last-child {
  border-bottom: none;
}

.dropdown-list a {
  display: flex;
  align-items: center;
  height: 30px;
  padding: 0 15px;
  color: #fff;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap; /* 防止文字换行 */
}

.dropdown-list a:hover {
  background-color: #c22d2d;
  color: #fff;
  text-shadow: 0 0 1px rgba(255, 255, 255, 0.5);
}

/* 自定义滚动条样式 */
.dropdown-list::-webkit-scrollbar {
  width: 8px;
}

.dropdown-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0;
}

.dropdown-list::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 0;
}

.dropdown-list::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

  
  
/* 移动端适配 */
@media (max-width: 768px) {
  body {
    padding-top: 65px;
  }

  .dropdown-container {
    width: 100%;
    justify-content: space-between;
    margin-top: 15px;
  }

  .dropdown-box {
    width: 32%;
    min-width: 200px; /* 保持最小宽度 */
  }

  .dropdown-title {
    height: 30px;
    padding: 0 25px 0 10px;
    font-size: 13px;
  }

  /* 语言选择下拉框样式 */
  .lang-menu {
    position: relative;
    margin: 0;
  }

  .lang-menu .current-lang {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    width: 46px;
    height: 30px;
    background: #C9413F;
    border-radius: 2px;
    position: relative;
    padding-right: 15px;
  }

  .lang-menu .current-lang::after {
    content: '';
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #fff;
    transition: transform 0.3s ease;
  }

  .lang-menu.active .current-lang::after {
    transform: translateY(-50%) rotate(180deg);
  }

  .lang-menu .lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 46px;
    background: #C9413F;
    border-radius: 2px;
    margin-top: 5px;
    overflow: hidden;
    z-index: 1000;
  }

  .lang-menu.active .lang-dropdown {
    display: block;
  }

  .lang-menu .lang-dropdown a {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    height: 24px;
    text-decoration: none;
    transition: background-color 0.3s;
  }

  .lang-menu .lang-dropdown a:hover {
    background: #B33E3C;
  }

  /* 隐藏PC端语言菜单 */
  .lang-menu.pc-only {
    display: none;
  }

  /* 显示移动端语言菜单 */
  .lang-menu.mobile-only {
    display: block;
  }

  /* Logo样式 */
  .logo {
    width: auto;
    margin: 0;
  }

  .logo img {
    display: none; /* 隐藏PC端logo */
  }

  .logo img[src*="mobileLogo.png"] {
    display: block;
    width: 183px;
    height: 37px;
  }

  /* 移动端菜单图标样式 */
  .mobile-menu-toggle {
    width: 25px;
    height: 21px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    margin: 0;
    background: url("../images/menu.png") no-repeat center;
    background-size: contain;
    transition: background-image 0.3s ease;
  }

  .mobile-menu-toggle img {
    display: none; /* 隐藏原来的图片 */
  }

  .mobile-menu-toggle.active {
    background-image: url("../images/menuClose.png");
  }

  /* 隐藏搜索框 */
  .search-container {
    display: none;
  }

  /* 隐藏PC端导航 */
  .nav-container {
    display: none;
  }

  /* 移动端菜单展开样式 */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 65px;
    left: 0;
    width: 100%;
    height: calc(100vh - 65px);
    background: #C13532;
    overflow-y: auto;
    z-index: 1000;
  }

  .mobile-menu.active {
    display: block;
  }

  .mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  /* 只在一级菜单之间添加分隔线 */
  .mobile-menu-list > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .mobile-menu-list > li > a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    background-color: #C13532;
    position: relative;
    padding-right: 50px;
  }

  /* 二级菜单样式 */
  .mobile-submenu {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    background: #C13532;
  }

  .mobile-submenu > li > a {
    display: block;
    padding: 10px 20px 10px 40px;
    color: #fff;
    text-decoration: none;
    position: relative;
    font-size: 15px;
    font-weight: normal;
  }

  .mobile-submenu > li > a::before {
    content: "-";
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 15px;
    line-height: 1em;
  }

  /* 三级菜单样式 */
  .mobile-submenu-l2 {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 5px 20px 5px 40px;
    margin: 0;
    background: #C13532;
    border-top: none;
  }

  .mobile-submenu-l2 > li {
    flex: 0 0 auto;
    margin-right: 15px;
    margin-bottom: 3px;
  }

  .mobile-submenu-l2 > li > a {
    display: block;
    padding: 5px 0;
    color: #ffb3b6;
    text-decoration: none;
    font-size: 14px;
    white-space: nowrap;
    position: relative;
  }

  .mobile-menu-list > li.has-submenu > a::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #fff;
    font-weight: normal;
  }

  .mobile-menu-list > li.has-submenu.active > a::after {
    content: '-';
  }

  .mobile-submenu {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    background: #C13532;
  }

  .mobile-submenu.active {
    display: block;
  }

  /* 二级菜单样式 */
  .mobile-submenu > li > a {
    display: block;
    padding: 10px 20px 10px 40px;
    color: #fff;
    text-decoration: none;
    position: relative;
    font-size: 15px;
    font-weight: normal;
  }

  .mobile-submenu > li > a::before {
    content: "-";
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 15px;
    line-height: 1em;
  }
}

@media (max-width: 480px) {
  .dropdown-box {
    width: 100%;
  }
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-bottom: 20px;
  width: 100%;
  padding: 0;
}

.footer-column {
  flex: 0 0 auto;
  min-width: 120px;
  width: calc((100% - 100px) / 5);
  margin-right: 25px;
  margin-bottom: 20px;
}

.footer-column:nth-child(5n) {
  margin-right: 0;
}

.footer-column h4 {
  margin-bottom: 15px;
  font-size: 20px;
  position: relative;
}

.footer-column ul {
  padding-left: 0;
}

.footer-column ul li {
  margin-bottom: 8px;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  word-break: break-all;
  word-wrap: break-word;
  white-space: normal;
  line-height: 1.5;
}

/* 为特别长的文本添加特殊样式 */
.footer-column ul li a.long-text {
  white-space: normal;
  word-break: break-word;
  display: inline-block;
  width: 100%;
}

.footer-column ul li a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding: 15px 0;
  background-color: #5d0a0c;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 20px;
  width: 100%;
  left: 0;
  right: 0;
  position: relative;
  margin-left: 0;
  height: 78px;
  display: flex;
  align-items: center;
  overflow-x: hidden;
}

.footer-bottom .container {
  width: 100%;
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
}

.footer-bottom p {
  margin-bottom: 0;
  margin-right: 10px;
  white-space: nowrap;
  line-height: 1.5;
}

.footer-bottom p:last-child {
  margin-right: 0;
}

@media (max-width: 768px) {
  .footer-bottom .container {
    flex-direction: column;
  }

  .footer-bottom p {
    margin-right: 0;
    margin-bottom: 5px;
  }
}

/* 研究院动态swiper样式 */
.news-swiper-container {
  width: 835px;
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}

.news-swiper {
  width: 100%;
  height: 100%;
}

.news-item {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.news-item img {
  width: 100%;
  height: auto;
  height: 508px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.news-item:hover img {
  transform: scale(1.02);
}

/* 添加图片上的文字样式 */
.news-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.6) 60%,
    rgba(0, 0, 0, 0) 100%
  );
  color: #fff;
  padding: 20px 30px;
  width: 100%;
  text-align: left;
}

.news-caption h3 {
  position: static;
  background: none;
  padding: 0;
  
  font-size: 20px;
  font-weight: bold;
  text-align: left;
  color: #fff;
  max-width: 80%;
}

.news-caption p {
  margin: 0;
  font-size: 16px;
  opacity: 0.9;
  line-height: 1.5;
  color: #fff;
}

/* 隐藏研究院动态swiper导航按钮 */
.news-button-next,
.news-button-prev {
  display: none;
}

/* 研究院动态swiper分页器样式 */
.news-pagination {
  position: absolute;
  bottom: 20px;
  right: 20px;
  left: auto;
  width: auto !important;
  text-align: right;
  z-index: 10;
}

.news-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: #fff;
  opacity: 0.5;
  margin: 0 10px !important;
  border-radius: 50%;
}

.news-pagination .swiper-pagination-bullet-active {
  opacity: 1;
  background: #c22d2d;
}

/* Banner轮播图分页器样式 */
.banner-swiper .banner-pagination,
.banner .swiper-container-horizontal > .banner-pagination {
  position: absolute !important;
  bottom: 70px !important;
  right: 140px !important;
  left: auto !important;
  text-align: right !important;
  z-index: 10;
}

.banner-pagination .swiper-pagination-bullet {
  margin: 0 10px !important;
  width: 18px;
  height: 18px;
  border: 2px solid #fff;
  background: none;
  box-shadow: 0 0 10px #000;
  opacity: 0.7;
  border-radius: 50%;
}

.banner-pagination .swiper-pagination-bullet-active {
  opacity: 1;
  background: #fff;
}

/* 研究院标题样式 */
.institute-title {
  position: relative;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0e0e0;
}

.titleLink:after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 50px;
  height: 3px;
  background-color: #9d1d22;
  transform: translate(-50%);
}

.institute-title a.titleLink {
  font-size: 30px; /* 研究院动态等标题字体大小 */
  font-weight: bold;
  color: #9d1d22; /* 修改标题颜色9D1D22 */
  position: relative;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
}

/* 三个媒体区域 */
.media-channels {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 30px;
  margin-bottom: 30px;
  width: 1408px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 0;
  box-sizing: border-box;
  overflow-x: hidden;
}

.video-container {
  flex: 0 0 850px;
  height: 478px;
  overflow: hidden;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-right: 20px;
  box-sizing: border-box;
}

.video-player {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #000;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.video-cover {
  transition: all 0.3s ease;
  margin: 0;
  padding: 0;
}

.video-cover:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.right-channels {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 522px; /* 确保总宽度正好是1408px (850px + 20px + 538px = 1408px) */
  height: 478px;
  gap: 40px; /* 添加垂直间距 */
  box-sizing: border-box;
}

.media-channel {
  position: relative;
  width: 100%;
  height: 219px;
  margin-bottom: 0;
  overflow: hidden;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.media-channel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  padding: 0;
}

.media-channel:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 添加hover效果的黑色背景和二维码 */
.media-channel a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  z-index: 2;
  transform: translateY(-100%);
  pointer-events: none;
}

.media-channel a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 175px;
  height: 175px;
  background-image: url("../images/qrcode.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  z-index: 3;
  transform: translate(-50%, -150%);
  pointer-events: none;
}

.media-channel a:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.media-channel a:hover::before {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.media-channel a {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
  position: relative;
}

/* 视频号和公众号共用样式 */
.video-channel .channel-label,
.media-channel .channel-label {
  text-align: right;
  padding: 0 47px;
}

.video-channel .channel-label span,
.media-channel .channel-label span,
.video-label span {
  display: inline-block;
  position: relative;
  padding-bottom: 8px;
  font-size: 22px;
  color: #ffffff;
}

.video-channel .channel-label span::after,
.media-channel .channel-label span::after,
.video-label span::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: #ffa868;
}

/* 移除原来的黄色横条样式 */
.yellow-bar {
  display: none;
}

/* 视频模态框 */
.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.active {
  opacity: 1;
  visibility: visible;
}

.video-modal video {
  max-width: 90%;
  max-height: 80%;
  width: 850px;
  height: 478px;
  object-fit: contain;
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  z-index: 10000;
  transition: color 0.3s ease;
}

.close-modal:hover {
  background-color: #9d1d22;
}

/* 响应式导航栏 */
/* @media (max-width: 1408px) {
  .main-nav ul {
    justify-content: space-between;
  }

  .main-nav a {
    font-size: 15px;
    padding: 0 12px;
  }
} */

/* @media (max-width: 1200px) {
  .main-nav a {
    font-size: 14px;
    padding: 0 10px;
  }
} */

/* @media (max-width: 992px) {
  .main-nav ul {
    justify-content: space-around;
  }

  .main-nav a {
    padding: 0 5px;
  }
} */

.news-item a {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
  position: relative;
}

.channel-label {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0 47px;
  color: white;
  font-weight: bold;
  z-index: 1; /* 使其在黑色区域下 */
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 180px;
  width: 40px;
  height: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  background-color: #ffffff;
  border-radius: 0; /* 去掉圆角 */
  /* box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); */
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  background-color: #f5f5f5;
}

.back-to-top img {
  width: 20px;
  height: 21px;
  object-fit: contain;
}

/* @media (max-width: 1400px) {
  .container,
  main > .container,
  .content-row,
  .three-columns {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }

  .column.left,
  .column.right {
    width: 100%;
    flex-shrink: 1;
  }

  .news-swiper-container {
    width: 100%;
    max-width: 835px;
    margin: 0 auto;
  }

  .notification-list {
    height: auto;
    min-height: 508px;
  }

  .notification-list li {
    height: auto;
    min-height: 84.5px;
  }

  .three-columns .column {
    width: calc((100% - 60px) / 3);
  }

  .media-channels {
    width: 100%;
    flex-direction: column;
  }

  .video-container {
    width: 100%;
    flex: none;
    margin-right: 0;
    margin-bottom: 20px;
    height: auto;
  }

  .right-channels {
    width: 100%;
    flex-direction: row;
    height: auto;
    gap: 20px;
  }

  .media-channel {
    width: calc(50% - 10px);
    height: 200px;
  }

  .three-columns {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .three-columns .column {
    width: calc(50% - 15px);
    margin-bottom: 20px;
  }
} */

/* 添加CSS，确保首页和管理服务两端对齐 */
footer .container {
  width: 1408px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-bottom: 20px;
  width: 100%;
  padding: 0;
}

.footer-column {
  flex: 0 0 auto;
  min-width: 120px;
  width: calc((100% - 100px) / 5);
  margin-right: 25px;
  margin-bottom: 20px;
}

.footer-column:nth-child(5n) {
  margin-right: 0;
}

.footer-column h4 {
  margin-bottom: 15px;
  font-size: 20px;
  position: relative;
}

.footer-column ul {
  padding-left: 0;
}

.footer-column ul li {
  margin-bottom: 8px;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  word-break: break-all;
  word-wrap: break-word;
  white-space: normal;
  line-height: 1.5;
}

/* 为特别长的文本添加特殊样式 */
.footer-column ul li a.long-text {
  white-space: normal;
  word-break: break-word;
  display: inline-block;
  width: 100%;
}

.footer-column ul li a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding: 15px 0;
  background-color: #5d0a0c;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 20px;
  width: 100%;
  left: 0;
  right: 0;
  position: relative;
  margin-left: 0;
  height: 78px;
  display: flex;
  align-items: center;
  overflow-x: hidden;
}

.footer-bottom .container {
  width: 100%;
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
}

.footer-bottom p {
  margin-bottom: 0;
  margin-right: 10px;
  white-space: nowrap;
  line-height: 1.5;
}

.footer-bottom p:last-child {
  margin-right: 0;
}

@media (max-width: 768px) {
  .footer-bottom .container {
    flex-direction: column;
  }

  .footer-bottom p {
    margin-right: 0;
    margin-bottom: 5px;
  }
}

/* 研究院动态swiper样式 */
.news-swiper-container {
  width: 835px;
    position: relative;
  overflow: hidden;
  margin-bottom: 20px;
}

.news-swiper {
  width: 100%;
  height: 100%;
}

.news-item {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.news-item img {
  width: 100%;
  height: auto;
  height: 508px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.news-item:hover img {
  transform: scale(1.02);
}

/* 添加图片上的文字样式 */
.news-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.6) 60%,
    rgba(0, 0, 0, 0) 100%
  );
  color: #fff;
  padding: 20px 30px;
  width: 100%;
  text-align: left;
}

.news-caption h3 {
  position: static;
  background: none;
  padding: 0;
  
  font-size: 20px;
  font-weight: bold;
  text-align: left;
  color: #fff;
  max-width: 80%;
}

.news-caption p {
  margin: 0;
  font-size: 16px;
  opacity: 0.9;
  line-height: 1.5;
  color: #fff;
}

/* 隐藏研究院动态swiper导航按钮 */
.news-button-next,
.news-button-prev {
    display: none;
  }

/* 研究院动态swiper分页器样式 */
.news-pagination {
  position: absolute;
  bottom: 20px;
    right: 20px;
  left: auto;
  width: auto !important;
  text-align: right;
  z-index: 10;
}

.news-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: #fff;
  opacity: 0.5;
  margin: 0 10px !important;
  border-radius: 50%;
}

.news-pagination .swiper-pagination-bullet-active {
  opacity: 1;
  background: #c22d2d;
}

/* Banner轮播图分页器样式 */
.banner-swiper .banner-pagination,
.banner .swiper-container-horizontal > .banner-pagination {
  position: absolute !important;
  bottom: 70px !important;
  right: 140px !important;
  left: auto !important;
  text-align: right !important;
  z-index: 10;
}

.banner-pagination .swiper-pagination-bullet {
  margin: 0 10px !important;
  width: 18px;
  height: 18px;
  border: 2px solid #fff;
  background: none;
  box-shadow: 0 0 10px #000;
  opacity: 0.7;
  border-radius: 50%;
}

.banner-pagination .swiper-pagination-bullet-active {
  opacity: 1;
  background: #fff;
}

/* 研究院标题样式 */
.institute-title {
    position: relative;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0e0e0;
  }

.titleLink:after {
  content: "";
    position: absolute;
  bottom: -10px;
  left: 50%;
  width: 50px;
  height: 3px;
  background-color: #9d1d22;
  transform: translate(-50%);
}

.institute-title a.titleLink {
  font-size: 30px; /* 研究院动态等标题字体大小 */
  font-weight: bold;
  color: #9d1d22; /* 修改标题颜色9D1D22 */
  position: relative;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
}

/* 三个媒体区域 */
.media-channels {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 30px;
  margin-bottom: 30px;
  width: 1408px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding: 0;
  box-sizing: border-box;
  overflow-x: hidden;
}

.video-container {
  flex: 0 0 850px;
  height: 478px;
  overflow: hidden;
    border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-right: 20px;
  box-sizing: border-box;
}

.video-player {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #000;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.video-cover {
    transition: all 0.3s ease;
  margin: 0;
  padding: 0;
}

.video-cover:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.right-channels {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 522px; /* 确保总宽度正好是1408px (850px + 20px + 538px = 1408px) */
  height: 478px;
  gap: 40px; /* 添加垂直间距 */
  box-sizing: border-box;
}

.media-channel {
  position: relative;
  width: 100%;
  height: 219px;
  margin-bottom: 0;
  overflow: hidden;
  border-radius: 0; /* 去掉圆角 */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.media-channel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
  padding: 0;
}

.media-channel:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 添加hover效果的黑色背景和二维码 */
.media-channel a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
    opacity: 0;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  z-index: 2;
  transform: translateY(-100%);
  pointer-events: none;
}

.media-channel a::before {
    content: "";
    position: absolute;
  top: 50%;
  left: 50%;
  width: 175px;
  height: 175px;
  background-image: url("../images/qrcode.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  z-index: 3;
  transform: translate(-50%, -150%);
  pointer-events: none;
}

.media-channel a:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.media-channel a:hover::before {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.media-channel a {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
  position: relative;
}

/* 视频号和公众号共用样式 */
.video-channel .channel-label,
.media-channel .channel-label {
  text-align: right;
  padding: 0 47px;
}

.video-channel .channel-label span,
.media-channel .channel-label span,
.video-label span {
  display: inline-block;
  position: relative;
  padding-bottom: 8px;
  font-size: 22px;
  color: #ffffff;
}

.video-channel .channel-label span::after,
.media-channel .channel-label span::after,
.video-label span::after {
  content: "";
  position: absolute;
  bottom: 0;
    left: 0;
    width: 100%;
  height: 5px;
  background: #ffa868;
}

/* 移除原来的黄色横条样式 */
.yellow-bar {
    display: none;
  }

/* 视频模态框 */
.video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal video {
  max-width: 90%;
  max-height: 80%;
  width: 850px;
  height: 478px;
  object-fit: contain;
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  z-index: 10000;
  transition: color 0.3s ease;
}

.close-modal:hover {
  background-color: #9d1d22;
}

/* 响应式导航栏 */
/* @media (max-width: 1408px) {
  .main-nav ul {
    justify-content: space-between;
  }

  .main-nav a {
    font-size: 15px;
    padding: 0 12px;
  }
} */

/* @media (max-width: 1200px) {
  .main-nav a {
    font-size: 14px;
    padding: 0 10px;
  }
} */

/* @media (max-width: 992px) {
  .main-nav ul {
    justify-content: space-around;
  }

  .main-nav a {
    padding: 0 5px;
  }
} */

.news-item a {
    display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
  position: relative;
}

.channel-label {
  position: absolute;
  bottom: 0;
  left: 0;
    width: 100%;
  padding: 0 47px;
  color: white;
  font-weight: bold;
  z-index: 1; /* 使其在黑色区域下 */
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 180px;
  width: 40px;
  height: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  background-color: #ffffff;
  border-radius: 0; /* 去掉圆角 */
  /* box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); */
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  background-color: #f5f5f5;
}

.back-to-top img {
  width: 20px;
  height: 21px;
  object-fit: contain;
}

/* @media (max-width: 1400px) {
  .container,
  main > .container,
  .content-row,
  .three-columns {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }

  .column.left,
  .column.right {
    width: 100%;
    flex-shrink: 1;
  }

  .news-swiper-container {
    width: 100%;
    max-width: 835px;
    margin: 0 auto;
  }

  .notification-list {
    height: auto;
    min-height: 508px;
  }

  .notification-list li {
    height: auto;
    min-height: 84.5px;
  }

  .three-columns .column {
    width: calc((100% - 60px) / 3);
  }

  .media-channels {
    width: 100%;
    flex-direction: column;
  }

  .video-container {
    width: 100%;
    flex: none;
    margin-right: 0;
    margin-bottom: 20px;
    height: auto;
  }

  .right-channels {
    width: 100%;
    flex-direction: row;
    height: auto;
    gap: 20px;
  }

  .media-channel {
    width: calc(50% - 10px);
    height: 200px;
  }

  .three-columns {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .three-columns .column {
    width: calc(50% - 15px);
    margin-bottom: 20px;
  }
} */

/* 添加CSS，确保首页和管理服务两端对齐 */
  footer .container {
  width: 1408px;
    max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-bottom: 20px;
    width: 100%;
  padding: 0;
}

.footer-column {
  flex: 0 0 auto;
  min-width: 120px;
  width: calc((100% - 100px) / 5);
  margin-right: 25px;
  margin-bottom: 20px;
}

.footer-column:nth-child(5n) {
  margin-right: 0;
}

.footer-column h4 {
  margin-bottom: 15px;
  font-size: 20px;
  position: relative;
}

.footer-column ul {
  padding-left: 0;
}

.footer-column ul li {
  margin-bottom: 8px;
}

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 16px;
  word-break: break-all;
  word-wrap: break-word;
  white-space: normal;
  line-height: 1.5;
}

/* 为特别长的文本添加特殊样式 */
.footer-column ul li a.long-text {
  white-space: normal;
  word-break: break-word;
  display: inline-block;
  width: 100%;
}

.footer-column ul li a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding: 15px 0;
  background-color: #5d0a0c;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 20px;
  width: 100%;
  left: 0;
  right: 0;
  position: relative;
  margin-left: 0;
  height: 78px;
  display: flex;
  align-items: center;
  overflow-x: hidden;
}

.footer-bottom .container {
  width: 100%;
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  }

@media (max-width: 768px) {
  .footer-bottom .container {
    flex-direction: column;
  }

  .footer-bottom p {
    margin-right: 0;
    margin-bottom: 5px;
  }
}

/* 移动端适配 - 不影响PC端代码 */
@media only screen and (max-width: 768px) {
  /* 顶部导航栏调整 */
  header {
    height: 65px;
    background: #C13532;
    padding: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }

  header.menu-open {
    box-shadow: none;
  }

  header .container {
    height: 65px;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* Logo样式 */
  .logo {
    width: auto;
    margin: 0;
  }

  .logo img {
    display: none; /* 隐藏PC端logo */
  }

  .logo img[src*="mobileLogo.png"] {
    display: block;
    width: 183px;
    height: 37px;
  }

  /* 右侧区域样式 */
  .top-right {
    display: flex;
    align-items: center;
    gap: 15px;
  }

  /* 移动端菜单图标样式 */
  .mobile-menu-toggle {
    width: 25px;
    height: 21px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    margin: 0;
    background: url("../images/menu.png") no-repeat center;
    background-size: contain;
    transition: background-image 0.3s ease;
  }

  .mobile-menu-toggle img {
    display: none; /* 隐藏原来的图片 */
  }

  .mobile-menu-toggle.active {
    background-image: url("../images/menuClose.png");
  }

  /* 隐藏搜索框 */
  .search-container {
    display: none;
  }

  /* 隐藏PC端导航 */
  .nav-container {
    display: none;
  }

  /* 移动端菜单展开样式 */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 65px;
    left: 0;
    width: 100%;
    height: calc(100vh - 65px);
    background: #C13532;
    overflow-y: auto;
    z-index: 1000;
  }

  .mobile-menu.active {
    display: block;
  }

  .mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  /* 只在一级菜单之间添加分隔线 */
  .mobile-menu-list > li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  }

  .mobile-menu-list > li > a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    background-color: #C13532;
    position: relative;
    padding-right: 50px;
  }

  /* 二级菜单样式 */
  .mobile-submenu {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    background: #C13532;
  }

  .mobile-submenu > li > a {
    display: block;
    padding: 10px 20px 10px 40px;
    color: #fff;
    text-decoration: none;
    position: relative;
    font-size: 15px;
    font-weight: normal;
  }

  .mobile-submenu > li > a::before {
    content: "-";
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 15px;
    line-height: 1em;
  }

  /* 三级菜单样式 */
  .mobile-submenu-l2 {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 5px 20px 5px 40px;
    margin: 0;
    background: #C13532;
    border-top: none;
  }

  .mobile-submenu-l2 > li {
    flex: 0 0 auto;
    margin-right: 15px;
    margin-bottom: 3px;
  }

  .mobile-submenu-l2 > li > a {
    display: block;
    padding: 5px 0;
    color: #ffb3b6;
    text-decoration: none;
    font-size: 14px;
    white-space: nowrap;
    position: relative;
  }

  .mobile-menu-list > li.has-submenu > a::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #fff;
    font-weight: normal;
  }

  .mobile-menu-list > li.has-submenu.active > a::after {
    content: '-';
  }

  .mobile-submenu {
    display: none;
    list-style: none;
    padding: 0;
    margin: 0;
    background: #C13532;
  }

  .mobile-submenu.active {
    display: block;
  }

  /* 二级菜单样式 */
  .mobile-submenu > li > a {
    display: block;
    padding: 10px 20px 10px 40px;
    color: #fff;
    text-decoration: none;
    position: relative;
    font-size: 15px;
    font-weight: normal;
  }

  .mobile-submenu > li > a::before {
    content: "-";
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 15px;
    line-height: 1em;
  }
}

/* 更小屏幕设备的额外调整 */
@media only screen and (max-width: 480px) {
  .right-channels {
    flex-direction: column;
  }

  .media-channel {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }

  .lang-menu {
    margin-left: 10px;
  }

  .search-input {
    width: 120px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }

  .footer-bottom p {
    font-size: 12px;
  }

  .footer-contact,
  .footer-wechat,
  .footer-email {
    margin-right: 10px;
  }
}

/* 默认隐藏汉堡菜单 - 只在大屏幕下隐藏 */
@media screen and (min-width: 769px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* 新增：汉堡菜单基础样式 */
header .mobile-menu-toggle {
  display: none; /* 默认隐藏 */
  width: 25px;
  height: 21px;
  position: relative;
  margin-left: 15px;
  cursor: pointer;
}

/* 在移动端显示 */
@media screen and (max-width: 768px) {
  header .mobile-menu-toggle {
    display: block !important; /* 强制显示 */
    position: relative;
    z-index: 9999; /* 确保在最上层 */
  }

  /* 添加边框或背景，使菜单更明显 */
  header .mobile-menu-toggle::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 0; /* 去掉圆角 */
    box-sizing: border-box;
  }

  /* 调整顶部导航样式，确保汉堡菜单可见 */
  header .top-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }
}

.footer-wechat {
  position: relative;
  overflow: visible; /* 确保子元素不会被裁剪 */
}

.qr-code {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: calc(100% + 10px);
  background: #fff;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  display: none;
  z-index: 1000;
  width: 150px; /* 增加容器宽度 */
  height: 150px; /* 增加容器高度 */
}

.qr-code img {
  width: 150px; /* 增加图片宽度 */
  height: 150px; /* 增加图片高度 */
  display: block;
}

.footer-wechat:hover .qr-code {
  display: block;
}

/* 添加一个小三角形 */
.qr-code:after {
  content: "";
  position: absolute;
  top: 50%;
  right: 100%;
  transform: translateY(-50%);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-right: 8px solid #fff;
  border-left: none;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .qr-code {
    width: 200px; /* 移动端显示更大 */
    height: 200px;
  }

  .qr-code img {
    width: 200px; /* 移动端图片更大 */
    height: 200px;
  }
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 0;
  width: 100%;
  margin: 40px 0;
}

.brand-item {
  width: 320px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  background: #fff;
  overflow: hidden;
  margin-top: 20px;
}

.brand-item a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}

.brand-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0;
}

@media only screen and (max-width: 768px) {
  .brand-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0;
    width: 100%;
    margin: 20px 0 0;
    margin-bottom: 0;
  }
  
  .brand-item {
    width: 100%;
    height: 60px;
    margin-top: 10px;
    box-shadow: none;
    border-radius: 4px;
  }
  
  .brand-item img {
    padding: 5px;
  }
}

.content-main {
  padding: 30px 0;
  width: 100%;
}

.content-header {
  margin-bottom: 20px;
  border-bottom: 2px solid #c23032;
  padding-bottom: 10px;
}

.section-title {
  font-size: 24px;
  color: #333;
  margin: 0;
  padding: 0;
}

/* PC端和移动端显示控制类 */


.mobile-only {
  display: none;
}

.pc-only-inline {
  display: inline;
}

.mobile-only-inline {
  display: none;
}

.pc-only-flex {
  display: flex;
}

.mobile-only-flex {
  display: none;
}

@media only screen and (max-width: 768px) {
  .pc-only {
    display: none !important;
  }

  .mobile-only {
    display: block !important;
  }
  .mobile-only-flex {
    display: flex !important;
  }
  .pc-only-inline {
    display: none !important;
  }

  .mobile-only-inline {
    display: inline !important;
  }

  .pc-only-flex {
    display: none !important;
  }

  .mobile-only-flex {
    display: flex !important;
  }
}

@media only screen and (max-width: 768px) {
  /* 移动端搜索框样式 */
  .mobile-search {
    padding: 15px 20px;
    background: #C13532;
    position: relative;
    margin-top: 10px;
    display: flex;
    align-items: center;
  }

  .mobile-search input[type="text"] {
    width: 100%;
    height: 40px;
    padding: 0 40px 0 15px;
    border: none;
    border-radius: 0;
    background: #fff;
    font-size: 14px;
    color: #333;
    outline: none; /* 移除激活时的边框 */
    -webkit-appearance: none; /* 移除Safari默认样式 */
    -moz-appearance: none; /* 移除Firefox默认样式 */
    appearance: none; /* 移除默认样式 */
  }

  .mobile-search input::placeholder {
    color: #999;
  }

  .mobile-search .search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
  }

  .mobile-search .search-icon input[type="image"] {
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
  }
}

@media only screen and (max-width: 768px) {
  /* 隐藏banner分页器 */
  .banner-swiper .banner-pagination,
  .banner .swiper-container-horizontal > .banner-pagination {
    display: none !important;
  }

  /* 移动端搜索框样式 */
  .mobile-search {
    padding: 15px 20px;
    background: #C13532;
    position: relative;
    margin-top: 10px;
    display: flex;
    align-items: center;
  }

  /* 移动端搜索框样式 */
  .mobile-search input[type="text"] {
    width: 100%;
    height: 40px;
    padding: 0 40px 0 15px;
    border: none;
    border-radius: 0;
    background: #fff;
    font-size: 14px;
    color: #333;
    outline: none; /* 移除激活时的边框 */
    -webkit-appearance: none; /* 移除Safari默认样式 */
    -moz-appearance: none; /* 移除Firefox默认样式 */
    appearance: none; /* 移除默认样式 */
  }

  .mobile-search input::placeholder {
    color: #999;
  }

  .mobile-search .search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
  }

  .mobile-search .search-icon input[type="image"] {
    width: 24px;
    height: 24px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
  }
}

@media only screen and (max-width: 768px) {
  .titleLink {
    font-weight: 400 !important;
    font-size: 18px !important;
    color: #9D1D22 !important;
  }
  
  /* 隐藏banner分页器 */
  .banner-swiper .banner-pagination,
  .banner .swiper-container-horizontal > .banner-pagination {
    display: none !important;
  }
}

@media only screen and (max-width: 768px) {
  /* 内容区域竖排排列 */
  .content-row {
    flex-direction: column;
  }

  .column.left,
  .column.right {
    width: 100%;
  }

  /* 三栏内容竖排排列 */
  .three-columns {
    flex-direction: column;
  }

  .three-columns .column {
    width: 100%;
    margin-bottom: 20px;
  }

  /* 媒体区域竖排排列 */
  .media-channels {
    flex-direction: column;
  }

  .video-container {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }

  .right-channels {
    width: 100%;
    flex-direction: column;
    gap: 20px;
  }

  .media-channel {
    width: 100%;
    height: 219px;
  }

  /* 页脚导航竖排排列 */
  .footer-nav {
    flex-direction: column;
  }

  .footer-column {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }

  /* 页脚顶部区域竖排排列 */
  .footer-top {
    flex-direction: column;
  }

  .footer-left-group {
    width: 100%;
    margin-bottom: 20px;
  }

  .dropdown-container {
    width: 100%;
    flex-direction: column;
  }

  .dropdown-box {
    width: 100%;
    margin-bottom: 10px;
  }
}

@media only screen and (max-width: 768px) {
  .news-swiper-container {
    width: 100%;
    overflow: hidden;
  }
  .news-swiper {
    width: 100%;
  }
  .news-item {
    width: 100%;
  }
  .news-item img {
    width: 100%;
    height: auto;
  }
}

@media only screen and (max-width: 768px) {
  .news-caption {
    width: 100%;
    height: 31px;
    background: rgba(0, 0, 0, 0.52);
    display: flex;
    align-items: center;
    padding: 0 15px;
  }
  .news-caption h3 {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    margin: 0;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  
  /* 移动端新闻列表样式 */
  .mobile-news-list {
    display: block;
    margin-top: 20px;
  }
  
  .mobile-news-list .news-item-text {
    padding: 15px 0;
    border-bottom: 1px dashed #E6E6E6;
    
  }
  
  .mobile-news-list .news-item-text a {
    display: block;
    color: #333333;
    font-size: 14px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
}

/* PC端默认隐藏移动端新闻列表 */
.mobile-news-list {
  display: none;
}

@media only screen and (max-width: 768px) {
  .mobile-news-list {
    display: block !important;
    margin-top: 20px;
  }
  
  .mobile-news-list .news-item-text {
    padding: 15px 0;
    border-bottom: 1px dashed #A9A9A9;
  }
  
  .mobile-news-list .news-item-text a {
    display: block;
    color: #333333;
    font-size: 14px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    position: relative;
    padding-left: 15px;
  }
  
  .mobile-news-list .news-item-text a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    background-color: #9d1d22;
    border-radius: 50%;
    margin-right: 10px;
  }
}

@media only screen and (max-width: 768px) {
  .column.left,
  .column.right {
    width: 100%;
  }
}

@media only screen and (max-width: 768px) {
  /* 通知公告样式 */
  .notification-list {
    height: 366px;
  }
  
  .notification-list .notice-type {
    font-weight: 400;
    font-size: 12px;
    color: #666666;
    width: 51px;
    height: 34px;
    background: #F0F0F0;
    padding: 0 5px;
  }
  
  .notification-list .notice-line {
    width: 1px;
    height: 33px;
    background: #999999;
  }
  
  .notification-list .notice-content {
    font-weight: 400;
    font-size: 14px;
    color: #000000;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .notification-list .notice-date {
    display: none;
  }
  
  /* 其他移动端样式 */
  .content-row {
    flex-direction: column;
  }

  .column.left,
  .column.right {
    width: 100%;
  }
}

@media only screen and (max-width: 768px) {
  .media-item img:not(.calendar-icon) {
    height: auto;
  }
  
  /* 其他移动端样式 */
  .content-row {
    flex-direction: column;
  }

  .column.left,
  .column.right {
    width: 100%;
  }
}

@media only screen and (max-width: 768px) {
  .media-item {
    box-shadow: none;
    border: none;
  }
  
  .media-item p {
    margin: 20px 0;
    font-weight: 400;
    font-size: 14px;
    color: #9D1D22;
  }
  
  .media-item .date {
    margin: 0;
    font-weight: 400;
    font-size: 12px;
    color: #B7B7B7;
  }

  .calendar-icon {
    width: 13px;
    height: 13px;
    margin-top: -1.5px;
  }

  .three-columns {
    gap: 0;
    margin-bottom: 0;
  }

  .media-channels {
    margin-top: 0;
  }

  .video-container {
    height: 195px !important;
    flex: none !important;
  }

  .video-player {
    height: 195px !important;
  }

  .video-modal video {
    height: 195px !important;
  }
}

@media only screen and (max-width: 768px) {
  .video-channel .channel-label span,
  .media-channel .channel-label span,
  .video-label span {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
  }
}

@media only screen and (max-width: 768px) {
  .video-label span::after {
    height: 3px;
  }
}

@media only screen and (max-width: 768px) {
  .video-channel .channel-label span::after,
  .media-channel .channel-label span::after,
  .video-label span::after {
    height: 3px;
  }
}

@media only screen and (max-width: 768px) {
  .media-channel {
    height: 147px;
  }
}

@media only screen and (max-width: 768px) {
  .right-channels {
    height: auto;
    gap: 0;
  }
}

@media only screen and (max-width: 768px) {
  .media-channels {
    margin-top: 0;
    margin-bottom: 10px;
  }
}

@media only screen and (max-width: 768px) {
  .back-to-top {
    width: 20px;
    height: 20px;
    right: 10px;
    bottom: 10px;
    padding: 2px;
  }
  
  .back-to-top img {
    width: 10px;
    height: 10px;
  }
}

@media only screen and (max-width: 768px) {
  /* 隐藏所有原有底部元素 */
  .footer-nav,
  .footer-top,
  .dropdown-container,
  .footer-left-group,
  .contact-box,
  .footer-bottom p {
    display: none;
  }

  /* 修改底部容器样式 */
  footer {
    padding: 0;
    text-align: center;
    background-color: #9d1d22;
    margin-top: 0;
    display: block;
    height: auto;
    min-height: auto;
    max-height: none;
  }

  .footer-bottom {
    border-top: none;
    padding: 0;
    background-color: #9d1d22;
    margin-top: 0;
    display: block;
    height: auto;
    min-height: auto;
    max-height: none;
  }

  .footer-bottom .container {
    display: block;
    background-color: #9d1d22;
    padding: 20px 15px 25px;
    margin-top: 0;
    overflow: visible;
    height: auto;
    min-height: auto;
    max-height: none;
  }

  /* 添加logo */
  .footer-bottom .container::before {
    content: "";
    display: block;
    width: 240px;
    height: 40px;
    background: url(../images/mobileLogo.png) no-repeat center;
    background-size: contain;
    margin: 0 auto 15px;
  }

  /* 添加新的文字内容 */
  .footer-bottom .container::after {
    content: "Address: Changsha City, Hunan Province,China \A Copyright © 2025 Université Hunan ";
    white-space: pre-wrap;
    word-wrap: break-word;
    display: block;
    color: #FFFFFF;
    font-size: 12px;
    line-height: 1.8;
    text-align: center;
    letter-spacing: 0.5px;
    max-width: 100%;
    padding: 0 10px;
  }
}