.exam-page {
  min-height: 100vh;
  background: linear-gradient(180deg, #f5f3ff 0%, #fff3d6 100%);
  padding: 24rpx;
  padding-bottom: calc(24rpx + env(safe-area-inset-bottom));
  box-sizing: border-box;
}

.center-tip,
.center-box {
  padding: 80rpx 40rpx;
  text-align: center;
}

.tip-title {
  font-size: 36rpx;
  font-weight: 600;
  display: block;
  margin-bottom: 16rpx;
  color: #333;
}

.tip-desc {
  font-size: 28rpx;
  color: #666;
  display: block;
  margin-bottom: 32rpx;
  line-height: 1.6;
}

.btn-primary {
  background: linear-gradient(90deg, #c4b5fd, #a78bfa);
  padding: 22rpx 48rpx;
  border-radius: 48rpx;
  font-weight: 600;
  font-size: 30rpx;
  color: #6d28d9;
  text-align: center;
}

.btn-primary.block {
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.btn-row {
  display: flex;
  flex-direction: column;
  gap: 20rpx;
  margin-top: 24rpx;
}

.btn-outline {
  padding: 20rpx 48rpx;
  border-radius: 48rpx;
  border: 2rpx solid #ddd;
  color: #666;
  font-size: 28rpx;
  text-align: center;
  background: #fff;
}

.btn-outline.block {
  display: block;
  width: 100%;
  box-sizing: border-box;
}

.exam-body {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 48rpx);
}

.exam-card {
  flex: 1;
  background: #fff;
  border-radius: 24rpx;
  padding: 28rpx;
  box-shadow: 0 8rpx 32rpx rgba(73, 47, 0, 0.06);
}

.progress {
  font-size: 28rpx;
  color: #6d28d9;
  font-weight: 600;
}

.progress-sub {
  font-size: 24rpx;
  color: #999;
  margin-top: 8rpx;
  margin-bottom: 24rpx;
}

.q-type-tag {
  display: inline-block;
  font-size: 22rpx;
  color: #b8860b;
  background: #f5f3ff;
  border: 1rpx solid #c4b5fd;
  border-radius: 8rpx;
  padding: 4rpx 16rpx;
  margin-bottom: 16rpx;
}

.q-stem {
  font-size: 32rpx;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 24rpx;
  color: #222;
}

.q-images {
  margin-bottom: 24rpx;
}

.q-img {
  width: 100%;
  border-radius: 12rpx;
  margin-bottom: 12rpx;
}

.options {
  margin-top: 8rpx;
}

.opt-item {
  background: #fafafa;
  border: 2rpx solid #eee;
  border-radius: 16rpx;
  padding: 24rpx;
  margin-bottom: 16rpx;
  display: flex;
  align-items: flex-start;
  gap: 20rpx;
}

.opt-active {
  border-color: #c4b5fd;
  background: #fffdf0;
}

.opt-radio {
  width: 36rpx;
  height: 36rpx;
  border-radius: 50%;
  border: 2rpx solid #ccc;
  flex-shrink: 0;
  margin-top: 4rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.opt-radio-on {
  border-color: #c4b5fd;
  background: #f5f3ff;
}

.opt-radio-dot {
  width: 18rpx;
  height: 18rpx;
  border-radius: 50%;
  background: #c4b5fd;
}

.opt-body {
  flex: 1;
  display: flex;
  gap: 12rpx;
  align-items: flex-start;
}

.opt-label {
  font-weight: 700;
  color: #6d28d9;
  min-width: 40rpx;
  font-size: 28rpx;
}

.opt-text {
  flex: 1;
  font-size: 28rpx;
  line-height: 1.5;
  color: #333;
}

.explain-box {
  background: #fffbf0;
  border-left: 6rpx solid #e6a23c;
  padding: 20rpx 24rpx;
  margin-top: 24rpx;
  border-radius: 0 12rpx 12rpx 0;
}

.explain-title {
  font-weight: 600;
  color: #333;
  display: block;
  margin-bottom: 8rpx;
  font-size: 28rpx;
}

.explain-text {
  font-size: 26rpx;
  color: #666;
  line-height: 1.6;
}

.foot-actions {
  margin-top: 24rpx;
  padding: 0 8rpx;
}

.foot-btn {
  width: 100%;
  box-sizing: border-box;
  min-height: 88rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  padding: 0 32rpx;
}