/* 导航区域样式 */
#navigation-section {
  margin: 20px 0;
}

nav ul {
  list-style: none;
  display: flex;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
  /* 小屏幕自动换行 */
  justify-content: center;
  /* 导航居中显示 */
}

nav ul li {
  min-width: 200px;
  /* 缩小最小宽度，避免宽屏溢出 */
  position: relative;
  background-color: #78350F;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50px;
  margin: 0 5px;
  border: 1px solid #eee;
  /* 轻微边框，增加层次感 */
  transition: all 0.3s ease;
  /* 统一过渡效果 */
}

nav ul li a {
  color: #3B82F6;
  text-decoration: none;
}

nav ul li:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
  /* 轻微上浮效果 */
}

/* 下拉菜单样式优化 */
.dropdown-content {
  display: none;
  text-align: center;
  position: absolute;
  background-color: white;
  color: #007bff;
  min-width: 100%;
  /* 与父元素同宽 */
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.1);
  /* 减轻阴影 */
  z-index: 999;
  /* 提高层级，避免被遮挡 */
  top: 100%;
  left: 0;
  border-radius: 0 0 10px 10px;
  /* 下拉菜单只保留下圆角 */
  opacity: 0;
  transition: opacity 0.3s ease;
}

nav ul li.dropdown:hover .dropdown-content {
  display: block;
  opacity: 1;
}

.dropdown-content a {
  color: #007bff;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
  background-color: #f1f1f1;
}

@media (max-width: 768px) {

  nav ul li {
    min-width: 100%;
    margin: 5px 0;
  }
}