page {
  background-color: #FFFFFF;
  height: 100%;
}

.container {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-stack {
  position: relative;
  width: 70vw; 
  height: 100vw;
  z-index: 1;
}

.card-container {
  position: absolute;
  width: 100%;
  height: 100%;
}

.card {
  width: 100%;
  height: 100%;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.04);
  border: 1px solid #F0F0F0;
  border-radius: 8rpx;
  background: white;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60rpx;
  box-sizing: border-box;
  border-radius: 8rpx;
}

.front {
  transform: rotateY(0deg);
}

.back {
  transform: rotateY(180deg);
}

.card.flipped .front {
  transform: rotateY(-180deg);
}
.card.flipped .back {
  transform: rotateY(0deg);
}

.front .name {
  font-family: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", serif;
  font-size: 140rpx;
  color: #2D2D2D;
  margin-bottom: 60rpx;
  font-weight: 300;
  letter-spacing: 10rpx;
  text-align: center;
}

.poem-container {
  height: 350rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.front .poem {
  font-size: 26rpx;
  color: #A0A0A0;
  letter-spacing: 12rpx;
  writing-mode: vertical-rl;
  line-height: 1.5;
  text-align: center;
}

.back {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: space-between !important;
  padding: 80rpx 60rpx !important;
}

.desc-container {
  flex: 1;
  display: flex;
  align-items: center;
}

.back .desc {
  font-size: 28rpx;
  color: #4A4A4A;
  line-height: 2.2;
  text-align: justify;
  letter-spacing: 2rpx;
}

.analysis-container {
  margin-top: 40rpx;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  border-top: 1rpx solid #F0F0F0;
  padding-top: 30rpx;
}

.tone-tag, .score-tag {
  font-size: 18rpx;
  color: #D0D0D0;
  letter-spacing: 2rpx;
  margin-bottom: 10rpx;
}

.save-btn {
  margin-top: 20rpx;
  display: flex;
  align-items: center;
  font-size: 16rpx;
  color: #A0A0A0;
  border: 1rpx solid #F0F0F0;
  padding: 8rpx 20rpx;
  border-radius: 40rpx;
  letter-spacing: 2rpx;
  transition: all 0.2s;
}

.save-btn:active {
  background: #FAFAFA;
  transform: scale(0.95);
}

.save-icon {
  margin-right: 8rpx;
  font-size: 14rpx;
}

/* 退出动画 */
.card-exit-left {
  transform: translate3d(-150%, 0, 0) rotate(-20deg) !important;
  opacity: 0 !important;
  transition: all 0.5s ease-in !important;
}

.card-exit-right {
  transform: translate3d(150%, 0, 0) rotate(20deg) !important;
  opacity: 0 !important;
  transition: all 0.5s ease-in !important;
}

.footer {
  margin-top: 100rpx;
}

.hint {
  font-size: 22rpx;
  color: #D0D0D0;
  letter-spacing: 4rpx;
}

/* 收藏锦囊 */
.collection-bag {
  position: fixed;
  right: 60rpx;
  bottom: 120rpx;
  width: 100rpx;
  height: 100rpx;
  background-color: #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 10rpx 40rpx rgba(0,0,0,0.08);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 10;
  transition: transform 0.2s;
}

.collection-bag:active {
  transform: scale(0.9);
}

.bag-icon {
  font-family: "Noto Serif SC", serif;
  font-size: 40rpx;
  color: #4A4A4A;
}

.collection-count {
  position: absolute;
  top: 0;
  right: 0;
  background-color: #B22222;
  color: white;
  font-size: 18rpx;
  border-radius: 50%;
  padding: 4rpx 10rpx;
  min-width: 18rpx;
  text-align: center;
}

/* 收藏列表 */
.collection-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(20px);
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.collection-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.collection-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60vh;
  background-color: rgba(255, 255, 255, 0.8);
  border-top-left-radius: 40rpx;
  border-top-right-radius: 40rpx;
  box-shadow: 0 -10rpx 60rpx rgba(0,0,0,0.05);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.collection-overlay.visible .collection-content {
  transform: translateY(0);
}

.collection-title {
  text-align: center;
  padding: 40rpx 0;
  font-size: 24rpx;
  color: #A0A0A0;
  letter-spacing: 4rpx;
  border-bottom: 1rpx solid #F0F0F0;
}

.collection-scroll {
  height: calc(100% - 110rpx);
}

.collection-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30rpx 60rpx;
  border-bottom: 1rpx solid #F0F0F0;
}

.item-name {
  font-family: "Noto Serif SC", serif;
  font-size: 32rpx;
  color: #2D2D2D;
  margin-bottom: 4rpx;
}

.item-origin {
  font-size: 20rpx;
  color: #A0A0A0;
  font-weight: 200;
}

.delete-btn {
  font-size: 40rpx;
  color: #E0E0E0;
  font-weight: 200;
  padding: 10rpx 20rpx;
  border-radius: 50%;
  transition: all 0.2s;
}

.delete-btn:active {
  background-color: #F0F0F0;
  color: #B22222;
}

.collection-empty {
  text-align: center;
  padding: 100rpx;
  font-size: 24rpx;
  color: #E0E0E0;
}