.coupon-center-container {
  min-height: 100vh;
  background: #f5f5f5;
}

/* 页面头部 */
.page-header {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 50%, #ffa8a8 100%);
  padding: 20rpx 0 0;
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: hidden;
  position: relative;
}

/* 背景装饰 */
.header-bg-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.decoration-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.circle-1 {
  width: 120rpx;
  height: 120rpx;
  top: -60rpx;
  right: 50rpx;
  animation-delay: 0s;
}

.circle-2 {
  width: 80rpx;
  height: 80rpx;
  top: 100rpx;
  right: -40rpx;
  animation-delay: 2s;
}

.circle-3 {
  width: 60rpx;
  height: 60rpx;
  top: 50rpx;
  left: 30rpx;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20rpx) rotate(180deg); }
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32rpx;
  margin-top: 20rpx;
  position: relative;
  z-index: 2;
}

.header-title {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title-main {
  font-size: 36rpx;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2rpx 4rpx rgba(0, 0, 0, 0.1);
}

.title-subtitle {
  font-size: 22rpx;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4rpx;
}

.header-placeholder {
  width: 48rpx;
}

/* 统计信息 */
.header-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32rpx;
  position: relative;
  z-index: 2;
  animation: slideInUp 0.8s ease-out 0.3s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  transition: transform 0.3s ease;
}

.stat-item:hover {
  transform: scale(1.1);
}

.stat-number {
  font-size: 48rpx;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2rpx 4rpx rgba(0, 0, 0, 0.2);
  animation: fadeIn 1s ease-out 0.5s both;
}

.stat-label {
  font-size: 24rpx;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8rpx;
  animation: fadeIn 1s ease-out 0.7s both;
}

.stat-divider {
  width: 2rpx;
  height: 60rpx;
  background: rgba(255, 255, 255, 0.3);
  margin: 0 40rpx;
}

/* 优惠券列表容器 */
.coupon-list-container {
  padding: 24rpx;
  display: flex;
  flex-direction: column;
  gap: 16rpx;
}

/* 优惠券项 */
.coupon-item {
  width: 100%;
  margin-bottom: 0;
  animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30rpx);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30rpx);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30rpx);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20rpx rgba(255, 107, 107, 0.3);
  }
  50% {
    box-shadow: 0 0 40rpx rgba(255, 107, 107, 0.6);
  }
}

.coupon-card {
  background: #fff;
  border-radius: 20rpx;
  overflow: hidden;
  box-shadow: 0 8rpx 32rpx rgba(0, 0, 0, 0.12);
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1rpx solid rgba(255, 255, 255, 0.8);
}

.coupon-card:active {
  transform: scale(0.98);
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.08);
}

/* 卡片状态样式 */
.coupon-card.received-card {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  border-color: #0ea5e9;
}

.coupon-card.soldout-card {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-color: #cbd5e1;
  opacity: 0.7;
}

/* 状态标签 */
.coupon-status-tag {
  position: absolute;
  top: 12rpx;
  right: 12rpx;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  padding: 6rpx 12rpx;
  border-radius: 16rpx;
  font-size: 18rpx;
  font-weight: 600;
  display: flex;
  align-items: center;
  z-index: 3;
  box-shadow: 0 2rpx 8rpx rgba(16, 185, 129, 0.3);
}

.coupon-status-tag.soldout {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 2rpx 8rpx rgba(239, 68, 68, 0.3);
}

.coupon-status-tag.hot {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 2rpx 8rpx rgba(245, 158, 11, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.status-icon {
  margin-right: 4rpx;
  font-size: 16rpx;
}

.status-text {
  font-size: 18rpx;
}

/* 优惠券主体 */
.coupon-main {
  display: flex;
  flex-direction: row;
  padding: 20rpx;
  position: relative;
}

.coupon-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
  color: #fff;
  border-radius: 12rpx;
  padding: 20rpx 16rpx;
  margin-right: 20rpx;
  width: 160rpx;
  position: relative;
  overflow: hidden;
}

/* 不同类型的优惠券背景 */
.coupon-left.type-amount {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 50%, #ffa8a8 100%);
}

.coupon-left.type-discount {
  background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 50%, #c4b5fd 100%);
}

.coupon-left.type-shipping {
  background: linear-gradient(135deg, #10b981 0%, #34d399 50%, #6ee7b7 100%);
}

/* 装饰元素 */
.value-decoration {
  position: absolute;
  top: -20rpx;
  right: -20rpx;
  width: 80rpx;
  height: 80rpx;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.coupon-value {
  display: flex;
  align-items: baseline;
  margin-bottom: 12rpx;
  position: relative;
  z-index: 2;
}

.value-symbol {
  font-size: 22rpx;
  font-weight: 600;
  margin-right: 4rpx;
}

.value-number {
  font-size: 44rpx;
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 2rpx 4rpx rgba(0, 0, 0, 0.1);
}

.value-unit {
  font-size: 22rpx;
  font-weight: 600;
  margin-left: 6rpx;
}

.value-text {
  font-size: 32rpx;
  font-weight: 800;
  text-shadow: 0 2rpx 4rpx rgba(0, 0, 0, 0.1);
}

.coupon-desc {
  font-size: 22rpx;
  opacity: 0.9;
  text-align: center;
  position: relative;
  z-index: 2;
}

.coupon-right {
  display: flex;
  flex-direction: column;
  gap: 12rpx;
  flex: 1;
  justify-content: space-between;
}

.coupon-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.coupon-name {
  font-size: 28rpx;
  font-weight: 700;
  color: #1f2937;
  flex: 1;
  margin-right: 12rpx;
  line-height: 1.3;
}

.coupon-type-badge {
  background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
  color: #fff;
  padding: 4rpx 8rpx;
  border-radius: 8rpx;
  font-size: 18rpx;
  font-weight: 600;
}

.coupon-type-badge.discount {
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}

.coupon-type-badge.shipping {
  background: linear-gradient(135deg, #10b981, #34d399);
}

.coupon-details {
  display: flex;
  flex-direction: column;
  gap: 6rpx;
}

.detail-item {
  display: flex;
  align-items: center;
  font-size: 20rpx;
  color: #6b7280;
}

.detail-icon {
  margin-right: 6rpx;
  font-size: 16rpx;
}

.detail-text {
  flex: 1;
}

/* 领取按钮区域 */
.coupon-action {
  padding: 16rpx 20rpx 20rpx;
  background: linear-gradient(180deg, rgba(248, 249, 250, 0.5) 0%, rgba(248, 249, 250, 0.8) 100%);
  border-top: 1rpx solid rgba(0, 0, 0, 0.05);
}

.receive-btn {
  width: 100%;
  height: 64rpx;
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 50%, #ffa8a8 100%);
  color: #fff;
  border-radius: 32rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28rpx;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4rpx 16rpx rgba(255, 107, 107, 0.3);
  position: relative;
  overflow: hidden;
}

.receive-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.receive-btn:active::before {
  left: 100%;
}

.receive-btn.disabled {
  background: linear-gradient(135deg, #e5e7eb, #d1d5db);
  color: #9ca3af;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.receive-btn.received {
  background: linear-gradient(135deg, #10b981, #34d399);
  color: #fff;
  border: 2rpx solid #059669;
  box-shadow: 0 4rpx 16rpx rgba(16, 185, 129, 0.3);
}

.receive-btn:not(.disabled):active {
  transform: scale(0.96);
  box-shadow: 0 2rpx 8rpx rgba(255, 107, 107, 0.2);
}

.btn-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8rpx;
}

.btn-icon {
  font-size: 24rpx;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-4rpx); }
  60% { transform: translateY(-2rpx); }
}

.btn-text {
  font-size: 24rpx;
  font-weight: 700;
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120rpx 32rpx;
  text-align: center;
}

.empty-animation {
  position: relative;
  margin-bottom: 40rpx;
}

.empty-icon {
  font-size: 120rpx;
  opacity: 0.8;
  animation: float 3s ease-in-out infinite;
}

.empty-sparkles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.sparkle {
  position: absolute;
  font-size: 32rpx;
  animation: sparkle 2s ease-in-out infinite;
}

.sparkle-1 {
  top: 20rpx;
  right: 20rpx;
  animation-delay: 0s;
}

.sparkle-2 {
  bottom: 30rpx;
  left: 10rpx;
  animation-delay: 0.7s;
}

.sparkle-3 {
  top: 60rpx;
  left: -10rpx;
  animation-delay: 1.4s;
}

@keyframes sparkle {
  0%, 100% { 
    opacity: 0;
    transform: scale(0.5) rotate(0deg);
  }
  50% { 
    opacity: 1;
    transform: scale(1) rotate(180deg);
  }
}

.empty-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.empty-text {
  font-size: 32rpx;
  color: #374151;
  margin-bottom: 16rpx;
  font-weight: 600;
}

.empty-desc {
  font-size: 26rpx;
  color: #6b7280;
  margin-bottom: 32rpx;
}

.empty-action {
  margin-top: 16rpx;
}

.refresh-btn {
  background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
  color: #fff;
  padding: 16rpx 32rpx;
  border-radius: 32rpx;
  display: flex;
  align-items: center;
  gap: 8rpx;
  font-size: 26rpx;
  font-weight: 600;
  box-shadow: 0 4rpx 16rpx rgba(255, 107, 107, 0.3);
  transition: all 0.3s ease;
}

.refresh-btn:active {
  transform: scale(0.95);
  box-shadow: 0 2rpx 8rpx rgba(255, 107, 107, 0.2);
}

.refresh-icon {
  font-size: 24rpx;
  animation: rotate 2s linear infinite;
}

.refresh-text {
  font-size: 26rpx;
}

/* 加载状态 */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120rpx 32rpx;
}

.loading-animation {
  position: relative;
  margin-bottom: 32rpx;
}

.loading-dots {
  display: flex;
  gap: 8rpx;
  margin-top: 16rpx;
  justify-content: center;
}

.dot {
  width: 12rpx;
  height: 12rpx;
  border-radius: 50%;
  background: #ff6b6b;
  animation: loadingDots 1.4s ease-in-out infinite both;
}

.dot-1 { animation-delay: -0.32s; }
.dot-2 { animation-delay: -0.16s; }
.dot-3 { animation-delay: 0s; }

@keyframes loadingDots {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1.2);
    opacity: 1;
  }
}

.loading-text {
  font-size: 28rpx;
  color: #6b7280;
  font-weight: 500;
  text-align: center;
}

/* 响应式适配 */
@media (max-width: 750rpx) {
  .header {
    padding: 60rpx 24rpx 40rpx;
  }
  
  .header-title {
    font-size: 40rpx;
  }
  
  .header-subtitle {
    font-size: 24rpx;
  }
  
  .stats-section {
    padding: 0 24rpx;
    margin-top: 24rpx;
  }
  
  .stat-number {
    font-size: 32rpx;
  }
  
  .stat-label {
    font-size: 22rpx;
  }
  
  .coupon-list {
    padding: 24rpx;
  }
  
  .coupon-card {
    margin-bottom: 24rpx;
  }
  
  .coupon-value {
    font-size: 48rpx;
  }
  
  .coupon-unit {
    font-size: 20rpx;
  }
  
  .coupon-name {
    font-size: 28rpx;
  }
  
  .coupon-desc {
    font-size: 22rpx;
  }
  
  .action-btn {
    font-size: 24rpx;
    padding: 16rpx 24rpx;
  }
  
  .coupon-status-tag {
    font-size: 20rpx;
    padding: 6rpx 12rpx;
  }
  
  .coupon-type-badge {
    font-size: 18rpx;
    padding: 4rpx 8rpx;
  }
}

/* 超小屏幕适配 */
@media (max-width: 600rpx) {
  .header {
    padding: 50rpx 20rpx 30rpx;
  }
  
  .header-title {
    font-size: 36rpx;
  }
  
  .header-subtitle {
    font-size: 22rpx;
  }
  
  .stats-section {
    flex-direction: column;
    gap: 16rpx;
    align-items: center;
  }
  
  .stat-item {
    flex-direction: row;
    gap: 12rpx;
  }
  
  .coupon-list {
    padding: 20rpx;
  }
  
  .coupon-card {
    padding: 24rpx;
  }
  
  .coupon-left {
    min-width: 120rpx;
  }
  
  .coupon-value {
    font-size: 42rpx;
  }
  
  .coupon-right {
    padding-left: 20rpx;
  }
  
  .coupon-name {
    font-size: 26rpx;
  }
  
  .coupon-desc {
    font-size: 20rpx;
  }
  
  .action-btn {
    font-size: 22rpx;
    padding: 14rpx 20rpx;
  }
}

@media (max-width: 375px) {
  .coupon-left {
    flex: 0 0 160rpx;
    padding: 20rpx 12rpx;
  }
  
  .value-number {
    font-size: 40rpx;
  }
  
  .coupon-name {
    font-size: 28rpx;
  }
}