/* 专业索引页样式 */
.major_index {
  font-family: "Microsoft YaHei", Arial, sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0;
}

.major_index .content-wrapper {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* 搜索区域样式 */
.major_index .search-section {
  background-color: #f4e9d9;
  padding: 20px 0;
  border-bottom: 1px solid #e0e0e0;
}

.major_index .search-row {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.major_index .search-label {
  width: 120px;
  font-weight: bold;
  color: #333;
  font-size: 14px;
  flex-shrink: 0;
}

.major_index .search-options {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.major_index .option-btn {
  background-color: #fff;
  border: 1px solid #ddd;
  padding: 6px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.3s;
  color: #666;
}

.major_index .option-btn:hover {
  background-color: #e8f4fd;
  border-color: #409eff;
  color: #409eff;
}

.major_index .option-btn.active {
  background-color: #409eff;
  border-color: #409eff;
  color: #fff;
}

.major_index .search-direct {
  display: flex;
  align-items: center;
  gap: 10px;
}

.major_index .search-direct input {
  height: 35px;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 0 10px;
  font-size: 13px;
}

.major_index .search-direct button {
  height: 35px;
  padding: 0 20px;
  background-color: #ff8c00;
  border: none;
  border-radius: 4px;
  color: white;
  font-size: 13px;
  cursor: pointer;
}

.major_index .search-direct button:hover {
  background-color: #e67e00;
}

/* 专业列表区域样式 */
.major_index .major-list-section {
  background-color: #fff;
  padding: 20px 0;
  min-height: 600px;
}

.major_index .major-list {
  display: flex;
  flex-direction: column;
}

/* 大分类样式 */
.major_index .major-category {
  margin-bottom: 30px;
}

.major_index .category-header {
  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
  color: #fff;
  padding: 12px 20px;
  font-size: 18px;
  font-weight: bold;
  border-radius: 6px 6px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.major_index .category-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.major_index .category-code {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: normal;
}

.major_index .category-stats {
  font-size: 14px;
  font-weight: normal;
  color: rgba(255, 255, 255, 0.9);
}

/* 子分类样式 */
.major_index .subcategory {
  border: 1px solid #e0e0e0;
  border-top: none;
  background-color: #fff;
}

.major_index .subcategory-header {
  background-color: #f8f9fa;
  padding: 10px 20px;
  border-bottom: 1px solid #e0e0e0;
  font-size: 16px;
  font-weight: 600;
  color: #2d3436;
  display: flex;
  align-items: center;
  gap: 10px;
}

.major_index .subcategory-code {
  background-color: #74b9ff;
  color: #fff;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: normal;
}

/* 具体专业样式 */
.major_index .major-items {
  padding: 15px 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 8px 15px;
}

.major_index .major-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background-color: #f8f9fa;
  border-radius: 4px;
  transition: all 0.3s;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.major_index .major-item:hover {
  background-color: #e3f2fd;
  border-left-color: #2196f3;
  transform: translateX(3px);
}

.major_index .major-code {
  background-color: rgba(114, 185, 255, 0.4);
  color: #2d3436;
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: normal;
  margin-right: 12px;
}

.major_index .major-name {
  color: #333;
  font-size: 14px;
  text-decoration: none;
  transition: color 0.3s;
}

.major_index .major-name:hover {
  color: #2196f3;
  text-decoration: none;
}

/* 搜索结果为空时的样式 */
.major_index .no-results {
  text-align: center;
  padding: 80px 20px;
  color: #999;
  font-size: 16px;
}

.major_index .no-results i {
  font-size: 48px;
  margin-bottom: 15px;
  display: block;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .major_index .content-wrapper {
    width: 95%;
  }
}

@media (max-width: 768px) {
  .major_index .search-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .major_index .search-label {
    width: 100%;
    margin-bottom: 8px;
  }

  .major_index .major-items {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .major_index .category-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .major_index .category-stats {
    align-self: flex-end;
  }
}

/* 加载动画 */
.major_index .loading {
  text-align: center;
  padding: 50px;
  color: #666;
}

.major_index .loading::after {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #ff8c00;
  border-radius: 50%;
  animation: major_index_spin 1s linear infinite;
  margin-left: 10px;
}

@keyframes major_index_spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}