/* 基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #1e3a8a;
  --secondary-color: #3b82f6;
  --text-color: #1f2937;
  --text-light: #6b7280;
  --border-color: #e5e7eb;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --hover-color: #2563eb;
  --blue-light: #dbeafe;
  --blue-lighter: #eff6ff;
  --blue-dark: #1e40af;
}

body {
  font-family: "Microsoft YaHei", "SimSun", Arial, sans-serif;
  font-size: 16px;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--bg-light);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--hover-color);
}

/* 顶部标题栏 */
.top-bar {
  background: #1e3a8a;
  color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  padding-top: 20px;
}

.top-bar-content {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 8px 0;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.top-bar-links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.top-bar-links a:hover {
  color: white;
}

.top-title {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 0 24px;
}

.top-logo {
  height: 70px;
  width: auto;
  object-fit: contain;
}

.top-title-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}


.top-title h2 {
  color: white;
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 4px 0;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.35);
  letter-spacing: 2px;
  line-height: 1.2;
  min-width: 520px;
}

.top-title-text p {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  text-transform: none;
  font-weight: 400;
  line-height: 1.3;
  white-space: nowrap;
}

/* 主导航 */
.main-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 2px solid #e5e7eb;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
  position: relative;
  z-index: 2;
  backdrop-filter: blur(6px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0;
  position: relative;
}

.nav-list {
  display: flex;
  list-style: none;
  justify-content: center;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-item > a {
  display: block;
  padding: 10px 4px;
  color: var(--text-color);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.2s ease;
}

.nav-item > a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 3px;
  background: var(--primary-color);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-item > a:hover,
.nav-item.active > a {
  color: var(--primary-color);
}

.nav-item > a:hover::after,
.nav-item.active > a::after {
  opacity: 1;
  transform: translateY(0);
}

.nav-item .arrow {
  font-size: 10px;
  margin-left: 4px;
}

/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
  min-width: 160px;
  list-style: none;
  display: none;
  z-index: 1000;
  padding: 8px 0;
  border-radius: 6px;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-item:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  border-bottom: 1px solid var(--bg-light);
}

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

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-color);
  transition: all 0.3s ease;
  position: relative;
  padding-left: 30px;
}

.dropdown-menu a::before {
  content: '→';
  position: absolute;
  left: 12px;
  opacity: 0;
  transition: all 0.3s ease;
  color: var(--primary-color);
}

.dropdown-menu a:hover {
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  padding-left: 35px;
  transform: translateX(5px);
}

.dropdown-menu a:hover::before {
  opacity: 1;
  left: 15px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-color);
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover span {
  background-color: var(--primary-color);
}

/* 焦点新闻轮播 */
.hero-banner {
  position: relative;
  min-height: clamp(420px, 70vw, 640px);
}

.hero-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  z-index: 1;
}

.slide {
  display: none;
}

.slide.active {
  display: block;
}

.slide img {
  width: 100%;
  height: clamp(380px, 65vw, 620px);
  object-fit: cover;
  display: block;
}

.hero-overlay-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-overlay-top .top-bar,
.hero-overlay-top .main-header {
  pointer-events: auto;
}

.hero-banner .top-bar {
  background: rgba(30, 64, 175, 0.1);
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

body.sticky-header-active .main-content {
  padding-top: var(--sticky-header-height, 140px);
}

.main-header.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.15);
  animation: fadeInDown 0.25s ease;
  z-index: 100;
}


/* 轮播控制 */
.slider-controls {
  position: absolute;
  bottom: 25px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  z-index: 3;
}

.slider-dots {
  display: flex;
  gap: 10px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
  transform: scale(1.2);
}

.dot.active {
  background-color: white;
  width: 26px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.5);
}

/* 分类内容区域 */
.content-categories {
  background: linear-gradient(to bottom, var(--bg-white) 0%, var(--bg-light) 100%);
  padding: 20px 0 40px 0;
  margin-bottom: 30px;
  border-top: 3px solid var(--primary-color);
}

/* 上半部分：图片 | 新闻列表 | 通知公告 */
.top-section {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 30px;
}


.top-left-image:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.top-left-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.top-left-image:hover img {
  transform: scale(1.05);
}

/* 标语区域 */
.slogan-section {
  text-align: center;
  padding: 35px 0;
  margin-bottom: 40px;
  background: linear-gradient(135deg, var(--blue-lighter) 0%, var(--blue-light) 100%);
  border-radius: 12px;
  position: relative;
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.1);
  border: 1px solid var(--blue-light);
}

.slogan-section::before,
.slogan-section::after {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--primary-color), transparent);
  opacity: 0.6;
}

.slogan-section::before {
  left: 10%;
}

.slogan-section::after {
  right: 10%;
}

.slogan-section h2 {
  font-size: 34px;
  font-weight: bold;
  color: var(--primary-color);
  letter-spacing: 10px;
  margin: 0;
  text-shadow: 0 2px 4px rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  position: relative;
  z-index: 1;
  padding: 0 20px;
}

.top-left-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.top-left-image:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.top-left-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.top-left-image:hover img {
  transform: scale(1.05);
}

.top-center-news,
.top-right-notice {
  background-color: var(--bg-white);
  border-radius: 12px;
  padding: 15px 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  height: 400px;
}

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
}

.section-title h3 {
  font-size: 18px;
  color: var(--primary-color);
  font-weight: bold;
  margin: 0;
  flex: 1;
}

.title-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.title-en {
  font-size: 12px;
  font-weight: normal;
  color: var(--text-light);
  font-style: italic;
  margin-left: 8px;
}

/* 新闻列表、通知公告和教育列表统一样式，不设下拉 */
.news-list,
.notice-list,
.education-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
  padding-right: 5px;
}

.news-list::-webkit-scrollbar,
.notice-list::-webkit-scrollbar,
.education-list::-webkit-scrollbar {
  width: 4px;
}

.news-list::-webkit-scrollbar-track,
.notice-list::-webkit-scrollbar-track,
.education-list::-webkit-scrollbar-track {
  background: var(--bg-light);
  border-radius: 2px;
}

.news-list::-webkit-scrollbar-thumb,
.notice-list::-webkit-scrollbar-thumb,
.education-list::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 2px;
}

.news-list::-webkit-scrollbar-thumb:hover,
.notice-list::-webkit-scrollbar-thumb:hover,
.education-list::-webkit-scrollbar-thumb:hover {
  background: var(--blue-dark);
}

/* 新闻动态样式 - 带日期块和内容块 */
.news-item {
  display: flex;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-item:hover {
  background-color: var(--blue-lighter);
  padding-left: 5px;
  padding-right: 5px;
  border-radius: 4px;
}

.news-date-block {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 50px;
  text-align: center;
}

.news-date-block .date-day {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  line-height: 1;
}

.news-date-block .date-month {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.news-content-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-excerpt {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 通知公告样式 - 带日期块 */
.notice-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.notice-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.notice-item:hover {
  background-color: var(--blue-lighter);
  padding-left: 5px;
  padding-right: 5px;
  border-radius: 4px;
}

.notice-date-block {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 60px;
  text-align: center;
}

.notice-date-block .date-day {
  font-size: 22px;
  font-weight: bold;
  color: white;
  background-color: var(--primary-color);
  width: 100%;
  padding: 5px 0;
  line-height: 1.2;
  border-radius: 4px 4px 0 0;
  white-space: nowrap;
}

.notice-date-block .date-month {
  font-size: 12px;
  color: var(--text-light);
  background-color: var(--bg-white);
  width: 100%;
  padding: 3px 2px;
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 4px 4px;
  line-height: 1.3;
  word-break: break-all;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notice-content-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* 教育板块统一样式 */
.education-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
}

.education-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.education-item:hover {
  padding-left: 5px;
  background-color: var(--blue-lighter);
  border-radius: 4px;
}

.notice-item .news-meta,
.education-item .news-meta {
  display: flex;
  align-items: center;
  margin-top: 8px;
  flex-wrap: wrap;
}

.education-item .news-meta .date {
  color: var(--text-light);
  font-size: 12px;
  font-weight: 400;
}

.news-content-block h4,
.notice-content-block h4,
.education-item h4 {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 500;
}

.news-content-block h4 a,
.notice-content-block h4 a,
.education-item h4 a {
  color: var(--text-color);
  transition: color 0.3s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content-block h4 a:hover,
.notice-content-block h4 a:hover,
.education-item h4 a:hover {
  color: var(--primary-color);
}


/* 下半部分：本科生教育 | 研究生教育 | 学生天地 | 创新创业教育 - 2行2列 */
.bottom-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
}

.bottom-item {
  background-color: var(--bg-white);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  min-height: 400px;
}

/* 新闻网格布局 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.news-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(30, 58, 138, 0.15);
  border-color: var(--primary-color);
}

.news-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
  padding: 0;
  overflow: hidden;
}

.news-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.news-image .image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  background-color: rgba(30, 58, 138, 0.1);
}

.news-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: var(--primary-color);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.news-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.news-meta .date {
  color: var(--text-light);
  font-size: 13px;
  display: flex;
  align-items: center;
}

.news-meta .date::before {
  content: '📅';
  margin-right: 4px;
}

.news-meta .category {
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.news-card:hover .news-meta .category {
  background-color: var(--primary-color);
  color: white;
}

.news-content h4 {
  margin: 0 0 12px 0;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 600;
}

.news-card.featured .news-content h4 {
  font-size: 22px;
}

.news-content h4 a {
  color: var(--text-color);
  transition: all 0.3s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content h4 a:hover {
  color: var(--primary-color);
}

.news-content p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 16px 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card.featured .news-content p {
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--bg-light);
  margin-top: auto;
}

.news-footer .views {
  color: var(--text-light);
  font-size: 13px;
  display: flex;
  align-items: center;
}

.news-footer .views::before {
  content: '👁';
  margin-right: 4px;
}

.read-btn {
  color: var(--primary-color);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.read-btn:hover {
  color: var(--hover-color);
  transform: translateX(3px);
}

/* 非特色卡片的简化样式 */
.news-card:not(.featured) .news-content {
  padding: 0;
}

.news-card:not(.featured) .news-content h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.news-card:not(.featured) .news-content p {
  -webkit-line-clamp: 2;
  line-clamp: 2;
  margin-bottom: 0;
}

.more-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 20px auto 0;
  color: var(--primary-color);
  font-weight: 500;
  padding: 12px 32px;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  border: 2px solid var(--primary-color);
  background-color: transparent;
  font-size: 14px;
  gap: 8px;
  white-space: nowrap;
}

.more-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

/* 标题行中的更多链接不显示箭头 */
.section-title .more-link {
  margin: 0;
  padding: 5px 14px;
  font-size: 13px;
  border: 1px solid var(--primary-color);
  background-color: transparent;
  border-radius: 4px;
  font-weight: 500;
}

.section-title .more-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: none;
  box-shadow: 0 2px 6px rgba(30, 58, 138, 0.3);
}

.section-title .more-link::after {
  content: '';
}

/* 通知公告和活动预告 */
.notices-events {
  background-color: var(--bg-white);
  padding: 30px 0;
  margin-bottom: 30px;
}

.notices-events .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
}

.section-header h3 {
  font-size: 20px;
  color: var(--primary-color);
  font-weight: bold;
}

.notice-item.featured {
  display: flex;
  gap: 20px;
  padding: 20px;
  background-color: var(--bg-light);
  border-radius: 8px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.notice-item.featured:hover {
  background-color: var(--blue-lighter);
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
  transform: translateY(-3px);
}

.notice-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  padding: 10px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 6px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.3);
}

.notice-item.featured:hover .notice-date {
  background-color: var(--blue-dark);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.4);
}

.notice-date .day {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
}

.notice-date .month-year {
  font-size: 12px;
  margin-top: 4px;
}

.notice-content h4 {
  margin-bottom: 10px;
  font-size: 16px;
}

.notice-content h4 a {
  color: var(--text-color);
}

.notice-content h4 a:hover {
  color: var(--primary-color);
}

.notice-content p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 10px;
  line-height: 1.6;
}

.view-detail {
  color: var(--primary-color);
  font-size: 14px;
  display: inline-block;
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.view-detail:hover {
  background-color: var(--blue-lighter);
  border-color: var(--primary-color);
  transform: translateX(3px);
}

.notice-list {
  list-style: none;
}

.notice-list li {
  padding: 10px 15px;
  border-bottom: 1px solid var(--bg-light);
  display: flex;
  align-items: center;
  gap: 15px;
  border-left: 3px solid transparent;
  border-radius: 4px;
  transition: all 0.3s ease;
  margin-bottom: 4px;
}

.notice-list li:hover {
  background-color: var(--blue-lighter);
  border-left-color: var(--primary-color);
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.1);
}

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

.event-list {
  list-style: none;
}

.event-list li {
  padding: 15px;
  border-bottom: 1px solid var(--bg-light);
  border-left: 3px solid transparent;
  border-radius: 4px;
  transition: all 0.3s ease;
  margin-bottom: 4px;
}

.event-list li:hover {
  background-color: var(--blue-lighter);
  border-left-color: var(--primary-color);
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.1);
}

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

.event-date {
  display: flex;
  gap: 15px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-light);
}

.event-date .time {
  color: var(--primary-color);
  font-weight: bold;
}

.event-list h4 {
  font-size: 15px;
  font-weight: normal;
}

.event-list h4 a {
  color: var(--text-color);
}

.event-list h4 a:hover {
  color: var(--primary-color);
}

/* 影像信息 */
.videos-section {
  background-color: var(--bg-white);
  padding: 30px 0;
  margin-bottom: 30px;
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.video-item {
  text-align: center;
}

.video-thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 比例 */
  background-color: var(--bg-light);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.video-thumb:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 8px 24px rgba(30, 58, 138, 0.2);
  border-color: var(--primary-color);
}

.video-thumb .image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--border-color);
  color: var(--text-light);
  font-size: 14px;
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background-color: rgba(30, 58, 138, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  z-index: 10;
  transition: all 0.3s ease;
  border: 3px solid rgba(255, 255, 255, 0.3);
}

.video-thumb:hover .play-icon {
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.4);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-item h4 {
  font-size: 14px;
  font-weight: normal;
  line-height: 1.5;
}

.video-item h4 a {
  color: var(--text-color);
  transition: all 0.3s ease;
  display: inline-block;
}

.video-item:hover h4 a {
  color: var(--primary-color);
  transform: translateX(3px);
}

/* 页脚 */
.site-footer {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 50%, var(--primary-color) 100%);
  color: rgba(255, 255, 255, 0.9);
  padding: 30px 0 15px;
  border-top: 3px solid var(--secondary-color);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-bottom: 20px;
  width: 100%;
}

.footer-info {
  background: rgba(255, 255, 255, 0.05);
  padding: 25px 30px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-links {
  background: rgba(255, 255, 255, 0.05);
  padding: 25px 30px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-info h4,
.footer-links h4 {
  color: white;
  margin: 0;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  padding-right: 20px;
  border-right: 2px solid var(--secondary-color);
  display: inline-block;
  flex-shrink: 0;
  white-space: nowrap;
}

.footer-info-content {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: center;
  flex: 1;
}

.footer-info p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.footer-info p::before {
  content: '📍';
  font-size: 18px;
  flex-shrink: 0;
}

.footer-info p:nth-of-type(2)::before {
  content: '📞';
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  flex: 1;
  align-items: center;
}

.footer-links li {
  margin: 0;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  padding: 10px 20px;
  display: inline-block;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  white-space: nowrap;
}

.footer-links a:hover {
  color: white;
  border-left-color: var(--secondary-color);
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.footer-bottom {
  text-align: center;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0;
}

.footer-bottom p {
  margin: 0;
  line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .top-section {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .top-left-image,
  .top-center-news,
  .top-right-notice {
    height: 300px;
  }

  .slogan-section {
    padding: 25px 0;
  }

  .slogan-section h2 {
    font-size: 26px;
    letter-spacing: 6px;
  }

  .slogan-section::before,
  .slogan-section::after {
    width: 60px;
  }

  .slogan-section::before {
    left: 5%;
  }

  .slogan-section::after {
    right: 5%;
  }

  .bottom-section {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 25px;
  }

  .bottom-item {
    min-height: auto;
  }

  .notice-item {
    flex-direction: column;
    gap: 10px;
  }

  .notice-date-block {
    width: 100%;
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
  }

  .notice-date-block .date-day {
    font-size: 18px;
    padding: 3px 10px;
    border-radius: 4px;
  }

  .notice-date-block .date-month {
    border: none;
    padding: 3px 0;
  }

  .section-title {
    flex-wrap: wrap;
  }

  .section-title h3 {
    margin-bottom: 8px;
  }

  .notices-events .container {
    grid-template-columns: 1fr;
  }

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

  .footer-content {
    gap: 20px;
  }

  .footer-info,
  .footer-links {
    gap: 20px;
  }

  .footer-info h4,
  .footer-links h4 {
    font-size: 16px;
    padding-right: 15px;
  }
}

@media (max-width: 992px) {
  .news-grid {
    grid-template-columns: 1fr;
  }

  .news-card.featured {
    grid-template-columns: 1fr;
  }

  .news-image {
    height: 180px;
  }
}

@media (max-width: 768px) {
  .top-bar {
    min-height: 150px;
  }

  .top-bar .container {
    padding: 20px 15px;
  }

  .top-title {
    flex-direction: column;
    gap: 15px;
    padding: 20px 20px;
  }

  .top-logo {
    height: 60px;
  }

  .top-title h2 {
    font-size: 20px;
    letter-spacing: 1px;
    min-width: auto;
    text-align: center;
  }
  
  .top-title-text p {
    font-size: 13px;
    letter-spacing: 0.05em;
    text-align: center;
    white-space: normal;
  }

  .header-content {
    justify-content: flex-start;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    display: none;
    z-index: 1000;
    width: 100%;
  }

  .main-nav.active {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-item {
    border-bottom: 1px solid var(--bg-light);
  }

  .nav-item > a {
    padding: 15px 20px;
  }

  .dropdown-menu {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    background-color: var(--bg-light);
  }

  .nav-item:hover .dropdown-menu,
  .nav-item.active .dropdown-menu {
    display: block;
  }

  /* 上半部分响应式 */
  .top-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .top-left-image,
  .top-center-news,
  .top-right-notice {
    height: auto;
    min-height: 300px;
  }

  .slogan-section {
    padding: 20px 0;
    margin-bottom: 30px;
  }

  .slogan-section h2 {
    font-size: 22px;
    letter-spacing: 4px;
  }

  .slogan-section::before,
  .slogan-section::after {
    width: 40px;
  }

  .slogan-section::before {
    left: 5%;
  }

  .slogan-section::after {
    right: 5%;
  }

  /* 新闻动态板块响应式 */
  .news-item {
    flex-direction: column;
    gap: 10px;
  }

  .news-date-block {
    width: 100%;
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
  }

  .news-date-block .date-day {
    font-size: 18px;
  }

  .notice-item {
    flex-direction: column;
    gap: 10px;
  }

  .notice-date-block {
    width: 100%;
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
  }

  .notice-date-block .date-day {
    font-size: 16px;
    padding: 2px 8px;
    border-radius: 4px;
  }

  .notice-date-block .date-month {
    border: none;
    padding: 2px 0;
  }

  .education-item {
    padding: 12px 0;
  }

  .education-item .news-meta .date {
    font-size: 11px;
  }

  .news-content-block h4,
  .notice-content-block h4,
  .education-item h4 {
    font-size: 12px;
  }

  .bottom-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .section-title h3 {
    margin-bottom: 0;
  }

  .section-title .more-link {
    align-self: flex-end;
  }

  .videos-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    gap: 20px;
  }

  .footer-info,
  .footer-links {
    padding: 20px 15px;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .footer-info h4,
  .footer-links h4 {
    border-right: none;
    border-bottom: 2px solid var(--secondary-color);
    padding-right: 0;
    padding-bottom: 10px;
    width: 100%;
  }

  .footer-info-content {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    width: 100%;
  }

  .footer-info p {
    white-space: normal;
    font-size: 14px;
  }

  .footer-links ul {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }

  .footer-links a {
    width: 100%;
    text-align: left;
  }
}

/* 面包屑导航 */
.breadcrumb-section {
  background-color: var(--bg-white);
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--text-light);
  transition: color 0.3s ease;
}

.breadcrumb a:hover {
  color: var(--primary-color);
}

.breadcrumb .separator {
  color: var(--text-light);
  margin: 0 4px;
}

.breadcrumb .current {
  color: var(--text-color);
  font-weight: 500;
}

/* 列表页样式 */
.list-section {
  background-color: var(--bg-white);
  padding: 40px 0;
  min-height: 600px;
}

.list-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--primary-color);
}

.list-header h1 {
  font-size: 28px;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

.list-description {
  color: var(--text-light);
  font-size: 15px;
  margin: 0;
}

.list-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-color);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 列表容器布局 */
.list-container {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

/* 左侧边栏 */
.list-sidebar {
  flex-shrink: 0;
  width: 250px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 20px;
}

.list-sidebar h2 {
  font-size: 20px;
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
  font-weight: bold;
}

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

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

.category-list > li {
  margin-bottom: 8px;
}

.category-link {
  display: block;
  padding: 12px 15px;
  color: var(--text-color);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.category-link:hover {
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  transform: translateX(5px);
}

.category-link.active {
  background-color: var(--primary-color);
  color: white;
  border-left-color: var(--secondary-color);
}

/* 二级导航样式 */
.category-parent {
  font-weight: 600;
  background-color: var(--bg-light);
}

.category-sublist {
  list-style: none;
  margin: 8px 0 0 0;
  padding: 0 0 0 20px;
  display: block;
}

.category-sublist li {
  margin-bottom: 4px;
}

.category-child {
  font-weight: normal;
  font-size: 14px;
  padding: 8px 15px;
  background-color: transparent;
}

.category-child:hover {
  background-color: var(--blue-lighter);
  transform: translateX(3px);
}

.category-child.active {
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  font-weight: 500;
}

/* 右侧列表区域 */
.list-items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 40px;
}

/* 内容区域样式 */
.content-section {
  background-color: var(--bg-white);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
}

.section-header h2 {
  font-size: 20px;
  color: var(--primary-color);
  font-weight: bold;
  margin: 0;
  flex: 1;
}

.content-section .section-header .more-link {
  margin: 0;
  padding: 5px 14px;
  font-size: 13px;
  border: 1px solid var(--primary-color);
  background-color: transparent;
  border-radius: 4px;
  font-weight: 500;
  flex-shrink: 0;
  color: var(--primary-color);
  text-decoration: none;
}

.content-section .section-header .more-link:hover {
  background-color: var(--primary-color);
  color: white !important;
  transform: none;
  box-shadow: 0 2px 6px rgba(30, 58, 138, 0.3);
}

.section-content {
  line-height: 1.8;
}

.intro-text {
  font-size: 15px;
  color: var(--text-color);
  line-height: 1.8;
  text-align: justify;
  margin: 0;
}

/* 信息列表样式 */
.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.info-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
}

.info-item:last-child {
  border-bottom: none;
}

.info-item:hover {
  padding-left: 5px;
  background-color: var(--blue-lighter);
  border-radius: 4px;
}

.info-date {
  font-size: 13px;
  color: var(--text-light);
  flex-shrink: 0;
  min-width: 100px;
}

.info-item a {
  color: var(--text-color);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.3s ease;
  flex: 1;
}

.info-item a:hover {
  color: var(--primary-color);
}

.list-item {
  padding: 25px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.list-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(30, 58, 138, 0.15);
  border-color: var(--primary-color);
}

.list-item-image {
  flex-shrink: 0;
  width: 200px;
  height: 150px;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.list-item-image .image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
}

.list-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.list-item-meta {
  display: flex;
  gap: 15px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-light);
}

.list-item-meta .date::before {
  content: '📅';
  margin-right: 4px;
}

.list-item-meta .category {
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
}

.list-item-meta .views::before {
  content: '👁';
  margin-right: 4px;
}

.list-item-content h3 {
  margin: 0 0 12px 0;
  font-size: 20px;
  line-height: 1.4;
}

.list-item-content h3 a {
  color: var(--text-color);
  transition: color 0.3s ease;
}

.list-item-content h3 a:hover {
  color: var(--primary-color);
}

.list-item-content p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 15px 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more-btn {
  display: inline-block;
  color: var(--primary-color);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  align-self: flex-start;
}

.read-more-btn:hover {
  color: var(--hover-color);
  transform: translateX(5px);
}

/* 分页样式 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-btn {
  padding: 10px 16px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-color);
  font-size: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
  min-width: 44px;
  text-align: center;
}

.page-btn:hover {
  background-color: var(--blue-lighter);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.page-btn.active {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 详情页样式 */
.detail-section {
  background-color: var(--bg-white);
  padding: 40px 0;
  min-height: 600px;
}

.detail-article {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--bg-white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.detail-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
}

.detail-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-light);
}

.detail-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.detail-meta .date::before {
  content: '📅';
}

.detail-meta .category {
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
}

.detail-meta .views::before {
  content: '👁';
}

.detail-meta .author::before {
  content: '👤';
}

.detail-header h1 {
  font-size: 32px;
  color: var(--text-color);
  line-height: 1.4;
  margin: 0;
  font-weight: bold;
}

.detail-image {
  width: 100%;
  height: 400px;
  margin: 30px 0;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.detail-image .image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.detail-content {
  line-height: 1.8;
  color: var(--text-color);
  font-size: 16px;
}

.detail-content p {
  margin-bottom: 20px;
  text-align: justify;
}

.detail-content h2 {
  font-size: 24px;
  color: var(--primary-color);
  margin: 30px 0 15px 0;
  font-weight: bold;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--blue-lighter);
}

.detail-content h3 {
  font-size: 20px;
  color: var(--text-color);
  margin: 25px 0 12px 0;
  font-weight: 600;
}

.detail-content ul {
  margin: 15px 0;
  padding-left: 30px;
}

.detail-content li {
  margin-bottom: 10px;
  line-height: 1.8;
}

.detail-tags {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tag-label {
  color: var(--text-light);
  font-size: 14px;
}

.tag {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--blue-lighter);
  color: var(--primary-color);
  border-radius: 16px;
  font-size: 13px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.tag:hover {
  background-color: var(--primary-color);
  color: white;
}

.detail-footer {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid var(--border-color);
}

.detail-nav {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
}

.nav-link {
  display: flex;
  flex-direction: column;
  padding: 15px;
  background-color: var(--bg-light);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background-color: var(--blue-lighter);
  border-left-color: var(--primary-color);
  transform: translateX(5px);
}

.nav-label {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 5px;
}

.nav-title {
  font-size: 15px;
  color: var(--text-color);
  font-weight: 500;
}

.detail-actions {
  text-align: center;
}

.back-btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.back-btn:hover {
  background-color: var(--hover-color);
  color: white !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

/* 相关新闻 */
.related-news {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 2px solid var(--border-color);
}

.related-news h3 {
  font-size: 22px;
  color: var(--primary-color);
  margin-bottom: 25px;
  font-weight: bold;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-item {
  background-color: var(--bg-light);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.related-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.15);
  border-color: var(--primary-color);
}

.related-image {
  width: 100%;
  height: 120px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  overflow: hidden;
}

.related-image .image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
}

.related-content {
  padding: 15px;
}

.related-date {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.related-content h4 {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

.related-content h4 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-content h4 a:hover {
  color: var(--primary-color);
}

/* 列表页和详情页响应式 */
@media (max-width: 992px) {
  .list-container {
    flex-direction: column;
    gap: 20px;
  }

  .list-sidebar {
    width: 100%;
    position: static;
  }

  .list-sidebar h2 {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .category-list {
    display: block;
  }

  .category-list > li {
    margin-bottom: 12px;
  }

  .category-sublist {
    padding-left: 15px;
    margin-top: 6px;
  }

  .category-link {
    padding: 10px 15px;
    font-size: 14px;
    border-radius: 6px;
  }

  .category-child {
    padding: 6px 15px;
    font-size: 13px;
  }

  .content-section {
    padding: 20px;
  }

  .section-header h2 {
    font-size: 18px;
  }

  .intro-text {
    font-size: 14px;
  }

  .info-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .info-date {
    min-width: auto;
  }

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

@media (max-width: 768px) {
  .detail-article {
    padding: 25px 20px;
  }

  .detail-header h1 {
    font-size: 24px;
  }

  .detail-image {
    height: 250px;
  }

  .list-filters {
    gap: 8px;
  }

  .filter-btn {
    padding: 6px 16px;
    font-size: 13px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .slide img {
    height: 260px;
  }
}

/* 师资队伍页面样式 */
.faculty-content {
    padding: 2rem 0;
    background-color: #f8fafc;
    min-height: calc(100vh - 200px);
}

.faculty-nav {
    margin-bottom: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem;
}

.faculty-tabs {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.faculty-tabs li {
    flex: 1;
    min-width: 120px;
}

.tab-link {
    display: block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    color: #64748b;
    background: #f1f5f9;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.tab-link:hover {
    background: #e2e8f0;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faculty-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 2.4rem 1.2rem 1.2rem;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    margin-top: 36px;
    min-height: 160px;
}

.faculty-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.faculty-avatar {
    position: absolute;
    top: -36px;
    left: 1.2rem;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    z-index: 2;
}

.faculty-card:hover .faculty-avatar {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.faculty-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.faculty-info-top {
    margin-left: 140px;
    margin-bottom: 0.8rem;
    text-align: left;
}

.faculty-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
}

.faculty-title {
    color: #6b7280;
    font-weight: 500;
    margin: 0;
    font-size: 0.95rem;
}

.faculty-info-bottom {
    text-align: left;
    padding-top: 0.4rem;
}

.faculty-research {
    color: #4b5563;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0 0 0.75rem 0;
}

.faculty-email {
    color: #3b82f6;
    font-size: 0.9rem;
    margin: 0;
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.faculty-email:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* 师资卡片筛选动画 */
.faculty-card.hidden {
    display: none;
}

.faculty-card.visible {
    display: block;
}

/* 师资队伍页面响应式设计 */
@media (max-width: 768px) {
    .faculty-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .faculty-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .faculty-tabs li {
        flex: none;
    }
    
    .faculty-card {
        padding: 2rem 1rem 1rem;
        margin-top: 30px;
        min-height: 140px;
    }
    
    .faculty-avatar {
        width: 100px;
        height: 100px;
        top: -30px;
        left: 1rem;
    }
    
    .faculty-info-top {
        margin-left: 120px;
        margin-bottom: 0.6rem;
    }
    
    .faculty-name {
        font-size: 1.2rem;
    }
    
    .faculty-title {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .faculty-content {
        padding: 1rem 0;
    }
    
    .faculty-nav {
        margin: 0 1rem 1.5rem;
        padding: 0.75rem;
    }
    
    .tab-link {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .faculty-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 0 1rem;
        margin-top: 1.5rem;
    }
    
    .faculty-card {
        padding: 1.6rem 0.8rem 0.8rem;
        margin-top: 24px;
        min-height: 120px;
    }
    
    .faculty-avatar {
        width: 80px;
        height: 80px;
        top: -24px;
        left: 0.8rem;
    }
    
    .faculty-info-top {
        margin-left: 100px;
        margin-bottom: 0.5rem;
    }
    
    .faculty-name {
        font-size: 1.1rem;
    }
    
    .faculty-title {
        font-size: 0.85rem;
    }
    
    .faculty-research {
        font-size: 0.85rem;
    }
    
    .faculty-email {
        font-size: 0.85rem;
    }
}

/* 学院领导页面样式 */
.leader-content {
    padding: 2rem 0;
    background-color: var(--bg-light);
    min-height: calc(100vh - 200px);
}

.leader-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
}

.leader-header h1 {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: bold;
    margin: 0;
}

.leader-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.leader-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    min-height: 200px;
    overflow: hidden;
}

.leader-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.leader-logo {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 60px;
    height: 60px;
    opacity: 0.25;
    z-index: 1;
}

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

.leader-photo {
    width: 140px;
    height: 180px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    position: relative;
    z-index: 2;
    background: var(--bg-light);
}

.leader-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leader-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    padding-right: 1rem;
}

.leader-name {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-color);
    margin: 0 0 0.4rem 0;
    line-height: 1.3;
}

.leader-title {
    font-size: 15px;
    color: var(--primary-color);
    font-weight: 600;
    margin: 0 0 0.8rem 0;
    line-height: 1.4;
}

.leader-responsibility {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0 0 1rem 0;
    flex: 1;
}

.leader-contact {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: auto;
    padding-top: 0.8rem;
    border-top: 1px solid var(--bg-light);
}

.leader-phone,
.leader-office {
    font-size: 13px;
    color: var(--text-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    line-height: 1.5;
}

.leader-contact .icon {
    font-size: 14px;
    flex-shrink: 0;
    opacity: 0.7;
}

/* 学院领导页面响应式设计 */
@media (max-width: 992px) {
    .leader-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .leader-card {
        flex-direction: row;
    }

    .leader-photo {
        width: 120px;
        height: 160px;
    }
}

@media (max-width: 768px) {
    .leader-content {
        padding: 1.5rem 0;
    }

    .leader-header h1 {
        font-size: 24px;
    }

    .leader-card {
        padding: 1.2rem;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .leader-logo {
        width: 50px;
        height: 50px;
        top: 0.5rem;
        right: 0.5rem;
    }

    .leader-photo {
        width: 120px;
        height: 160px;
        margin: 0 auto;
    }

    .leader-info {
        padding-right: 0;
        text-align: center;
        width: 100%;
    }

    .leader-name {
        font-size: 18px;
    }

    .leader-title {
        font-size: 14px;
    }

    .leader-responsibility {
        font-size: 12px;
    }

    .leader-contact {
        text-align: left;
        align-items: flex-start;
    }

    .leader-phone,
    .leader-office {
        font-size: 12px;
    }
}