/* 覆盖样式，确保头部导航栏和进度条无缝衔接 */
.header-container {
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
}

.app-header {
  padding: 15px 15px 5px 15px !important;
  margin: 0 !important;
  border: none !important;
  box-shadow: none !important;
}

.practice-info-bar {
  padding: 0 5px 15px 10px !important;
  margin: 0 !important;
  border: none !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important; /* 只在底部添加阴影 */
}