.container {
  padding: 20rpx;
  background-color: #f4f3f3;
  min-height: 100vh;
}

.activity-info {
  background-color: #ffffff;
  border-radius: 10rpx;
  padding: 20rpx;
  margin-bottom: 20rpx;
  box-shadow: 0 2rpx 4rpx rgba(0,0,0,0.1);
}

.activity-name {
  font-size: 20px;
  font-weight: bold;
  display: block;
  margin-bottom: 10rpx;
}

.activity-participants {
  font-size: 16px;
  color: #666;
}

.lucky-student {
  background-color: #ffffff;
  border-radius: 10rpx;
  padding: 20rpx;
  margin-bottom: 20rpx;
  box-shadow: 0 2rpx 4rpx rgba(0,0,0,0.1);
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  color: #0d94ff;
}

.action-buttons {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20rpx;
}

.action-btn {
  background-color: #0d94ff;
  color: #ffffff;
  border-radius: 20rpx;
  font-size: 14px;
  padding: 10rpx 20rpx;
  width: 45%;
}

.answer-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: #ffffff;
  border-radius: 10rpx;
  padding: 20rpx;
  width: 80%;
  text-align: center;
}

.answer-buttons {
  display: flex;
  justify-content: space-around;
  margin-top: 20rpx;
}

.answer-btn {
  border-radius: 20rpx;
  font-size: 14px;
  padding: 10rpx 20rpx;
  width: 45%;
}

.correct {
  background-color: #4CAF50;
  color: white;
}

.incorrect {
  background-color: #F44336;
  color: white;
}