.container {
  margin: 0rpx 30rpx;
  width: calc(100% - 60rpx);
  /* height: calc(100vh - 40rpx); */
  padding: 0 0;
}

.search-bar {
  width: calc(100% - 50rpx);
  position: relative;
  display: flex;
  align-items: center;
  background-color: #fff;
  border: 1rpx solid #dcdfe6;
  border-radius: 12rpx;
  padding: 16rpx 20rpx;
}

.search-bar input {
  flex: 1;
  height: 100%;
  padding-right: 60rpx;
  font-size: 32rpx;
  border: none;
  background: transparent;
}

.search-icon {
  position: absolute;
  right: 20rpx;
  width: 45rpx;
  height: 45rpx;
}

.empty-space {
  width: 100%;
  height: 390rpx;
  background-color: #e0e0e0;
  margin-top: 20rpx;
  border-radius: 12rpx;
}

.course-buttons {
  width: 100%;
  display: flex;
  margin-top: 20rpx;
}

.course-button1 {
  width: 36%;
  height: 290rpx;
  background-color: #e0e0e0;
  margin: 5rpx;
  border-radius: 12rpx;
  color: #fff;
}

.course-buttonstow {
  margin-left: 20rpx;
  width: calc( 100% - 36% - 20rpx);
  height: 290rpx;
  color: #fff;
}

.course-button2 {
  width: 100%;
  height: calc(50% - 10rpx);
  background-color: #e0e0e0;
  margin: 5rpx;
  border-radius: 12rpx;
}

.course-button3 {
  margin-top: 20rpx;
  width: 100%;
  height: calc(50% - 10rpx);
  display: flex;
}

.course-button {
  width: calc(50% - 10rpx);
  height: 100%;
  background-color: #e0e0e0;
  margin: 5rpx;
  border-radius: 12rpx;
}

.nr_boxs {
  display: flex;
  flex-direction: column;
  padding: 20rpx;
}