/* ==========================================
   组件样式 - 底部导航、头部、弹窗等
   ========================================== */

/* ===== 头像组件 ===== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-weight: 600;
  color: var(--white);
  flex-shrink: 0;
  user-select: none;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: 14px;
}

.avatar-md {
  width: 40px;
  height: 40px;
  font-size: 16px;
}

.avatar-lg {
  width: 48px;
  height: 48px;
  font-size: 18px;
}

.avatar-xl {
  width: 64px;
  height: 64px;
  font-size: 24px;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

/* ===== 底部导航 - 悬浮胶囊式设计 ===== */
.bottom-nav {
  position: fixed;
  bottom: var(--spacing-3);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-1);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 0, 0, 0.05);
  max-width: calc(100% - var(--spacing-8));
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-xl);
  color: var(--gray-500);
  transition: all var(--transition-fast);
  min-width: 60px;
  cursor: pointer;
}

.bottom-nav-item:active {
  transform: scale(0.95);
}

.bottom-nav-item.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.bottom-nav-item .nav-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 2px;
  transition: transform var(--transition-fast);
}

.bottom-nav-item.active .nav-icon {
  transform: scale(1.1);
}

.bottom-nav-item .nav-label {
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1.2;
}

/* 微动效 - 呼吸灯效果 */
.bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  background: var(--primary);
  opacity: 0;
  animation: navPulse 2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes navPulse {
  0%, 100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.1; transform: translate(-50%, -50%) scale(1.05); }
}

/* ===== 页面头部 ===== */
.page-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  min-height: 56px;
}

.page-header-transparent {
  background: transparent;
  border-bottom: none;
}

.page-header-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  flex: 1;
  text-align: center;
}

.page-header-left {
  display: flex;
  align-items: center;
  min-width: 60px;
}

.page-header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 60px;
  gap: var(--spacing-2);
}

/* 返回按钮 */
.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.back-btn:active {
  background: var(--gray-100);
}

/* ===== 搜索栏 ===== */
.search-bar {
  display: flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--gray-100);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.search-bar:focus-within {
  background: var(--white);
  box-shadow: 0 0 0 2px var(--primary);
}

.search-bar-icon {
  width: 20px;
  height: 20px;
  color: var(--gray-400);
  margin-right: var(--spacing-2);
}

.search-bar-input {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--gray-800);
  min-height: 36px;
}

.search-bar-input::placeholder {
  color: var(--gray-400);
}

/* ===== 弹窗/模态框 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--bg-mask);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===== 分享海报弹层 ===== */
.share-poster-overlay {
  position: fixed;
  inset: 0;
  z-index: 10030;
  background: rgba(15, 23, 42, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

body.share-poster-open .bottom-nav {
  z-index: 200;
  pointer-events: none;
  opacity: 0.35;
}

.share-poster-overlay.active {
  opacity: 1;
  visibility: visible;
}

.share-poster-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 360px);
  max-height: min(90vh, calc(100dvh - 32px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)));
  overflow: hidden;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.share-poster-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 16px 0;
  -webkit-overflow-scrolling: touch;
}

.share-poster-actions {
  flex-shrink: 0;
  padding: 12px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  background: #fff;
  border-top: 1px solid var(--gray-100);
}

.share-poster-close {
  position: absolute;
  top: 8px;
  right: 10px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  color: #6b7280;
  cursor: pointer;
}

.share-poster-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: #f3f4f6;
}

.share-poster-tip {
  margin: 10px 0 4px;
  text-align: center;
  font-size: 13px;
  color: #6b7280;
  line-height: 1.45;
}

.share-poster-save {
  margin-top: 0;
}

.share-poster-fullview {
  position: fixed;
  inset: 0;
  z-index: 10040;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.share-poster-fullview.active {
  opacity: 1;
  visibility: visible;
}

.share-poster-fullview__inner {
  position: relative;
  width: min(100%, 420px);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.share-poster-fullview__close {
  position: absolute;
  top: -8px;
  right: 0;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.share-poster-fullview__img {
  display: block;
  width: 100%;
  max-height: calc(92vh - 56px);
  object-fit: contain;
  border-radius: 8px;
  background: #111;
  -webkit-touch-callout: default;
  user-select: auto;
}

.share-poster-fullview__tip {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  text-align: center;
}

.modal {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--gray-100);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.modal-close:active {
  background: var(--gray-100);
}

.modal-body {
  padding: var(--spacing-5);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border-top: 1px solid var(--gray-100);
}

/* ===== 半屏弹窗（底部弹出） ===== */
.sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: 600 !important;
  background: var(--bg-mask);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.sheet-overlay.active {
  opacity: 1;
  visibility: visible;
}

.sheet {
  position: fixed;
  bottom: 160px;
  left: 0;
  right: 0;
  z-index: 610 !important;
  background: var(--white);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  box-shadow: var(--shadow-xl);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  max-height: calc(100vh - 160px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sheet-overlay.active .sheet {
  transform: translateY(0);
}

.sheet-handle {
  width: 40px;
  height: 4px;
  background: var(--gray-300);
  border-radius: 2px;
  margin: var(--spacing-3) auto;
}

.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-5) var(--spacing-4);
}

.sheet-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.sheet-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  padding: 0;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.sheet-close-btn:hover {
  background: var(--gray-100);
  border-color: var(--gray-300);
  color: var(--gray-800);
  transform: scale(1.05);
}

.sheet-close-btn:active {
  transform: scale(0.95);
}

.sheet-body {
  padding: 0 var(--spacing-5) var(--spacing-5);
  padding-bottom: 20px;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
  -webkit-overflow-scrolling: touch;
}

.sheet-footer {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  padding-bottom: calc(var(--spacing-4) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--gray-100);
  flex: 0 0 auto;
  background: var(--white);
}

.sheet-btn {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: var(--white);
  color: var(--gray-800);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.sheet-btn:active {
  transform: scale(0.98);
  opacity: 0.92;
}

.sheet-btn.primary {
  border: none;
  background: linear-gradient(135deg, #ff7a45 0%, var(--primary) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(255, 107, 74, 0.35);
}

.sheet-btn.primary:active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

/* ===== Toast提示 ===== */
.toast-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-6);
  background: rgba(0, 0, 0, 0.75);
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--font-size-base);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.toast-container.active {
  opacity: 1;
  visibility: visible;
}

.toast-icon {
  width: 40px;
  height: 40px;
}

/* ===== 加载状态 ===== */
.loading-container {
  position: fixed;
  inset: 0;
  z-index: var(--z-loading);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.45);
}

.loading-container .loading-text {
  color: #fff;
}

/* ===== 加载状态 ===== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
  padding: var(--spacing-8);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: var(--font-size-base);
  color: var(--gray-500);
}

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--spacing-2);
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--spacing-3);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-image {
  height: 180px;
}

/* ===== 空状态 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12) var(--spacing-6);
  text-align: center;
}

.empty-state-icon {
  width: 120px;
  height: 120px;
  margin-bottom: var(--spacing-4);
  color: var(--gray-300);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-2);
}

.empty-state-desc {
  font-size: var(--font-size-base);
  color: var(--gray-500);
  margin-bottom: var(--spacing-6);
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  border-radius: 10px;
  background: var(--error);
  color: var(--white);
}

.badge-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  padding: 0;
  border-radius: 50%;
}

/* ===== 进度条 ===== */
.progress {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width var(--transition-slow);
}

/* ===== 步进器 ===== */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.stepper-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 2px solid var(--gray-300);
  color: var(--gray-600);
  font-size: var(--font-size-xl);
  transition: all var(--transition-fast);
}

.stepper-btn:active {
  border-color: var(--primary);
  color: var(--primary);
}

.stepper-btn:disabled {
  border-color: var(--gray-200);
  color: var(--gray-300);
  cursor: not-allowed;
}

.stepper-value {
  min-width: 48px;
  text-align: center;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-800);
}

/* ===== 开关 ===== */
.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 32px;
}

.switch-input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--gray-300);
  border-radius: 16px;
  transition: all var(--transition-fast);
}

.switch-slider::before {
  content: '';
  position: absolute;
  height: 26px;
  width: 26px;
  left: 3px;
  bottom: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.switch-input:checked + .switch-slider {
  background: var(--primary);
}

.switch-input:checked + .switch-slider::before {
  transform: translateX(20px);
}

/* ===== 年级选择网格 ===== */
.grade-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-3);
}

.grade-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  background: var(--gray-100);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.grade-item:active {
  transform: scale(0.95);
}

.grade-item.active {
  background: var(--primary-bg);
  border-color: var(--primary);
  color: var(--primary);
}

.grade-item.disabled {
  background: var(--gray-100);
  color: var(--gray-400);
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== 图片上传九宫格 ===== */
.image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2);
}

.image-grid-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--gray-100);
}

.image-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-grid-add {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-md);
  color: var(--gray-400);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.image-grid-add:active {
  border-color: var(--primary);
  color: var(--primary);
}

.image-grid-add-icon {
  width: 32px;
  height: 32px;
  margin-bottom: var(--spacing-1);
}

.image-grid-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  color: var(--white);
  font-size: 14px;
}

/* ===== 视频播放器 ===== */
.video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--black);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-player-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-3);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.video-progress {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  cursor: pointer;
}

.video-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
}

/* ===== 日历组件 ===== */
.calendar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.calendar-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.calendar-nav {
  display: flex;
  gap: var(--spacing-2);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-2);
}

.calendar-weekday {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  padding: var(--spacing-2);
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-1);
}

.calendar-day {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  font-size: var(--font-size-base);
  color: var(--gray-700);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calendar-day:hover {
  background: var(--gray-100);
}

.calendar-day.other-month {
  color: var(--gray-300);
}

.calendar-day.today {
  font-weight: 600;
  color: var(--primary);
}

.calendar-day.checked {
  background: var(--primary);
  color: var(--white);
}

.calendar-day.checked::after {
  content: '✓';
  position: absolute;
  bottom: 2px;
  right: 2px;
  font-size: 10px;
}

/* ===== 投票组件 ===== */
.vote-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.vote-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--gray-100);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.vote-option:active {
  transform: scale(0.98);
}

.vote-option.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.vote-option-text {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--gray-800);
}

.vote-option-count {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.vote-option-bar {
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  margin-top: var(--spacing-2);
  overflow: hidden;
}

.vote-option-bar-fill {
  height: 100%;
  background: var(--primary);
}

/* ===== 定位标签 ===== */
.location-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-2);
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.location-tag-icon {
  width: 14px;
  height: 14px;
}

/* ===== 能量/积分显示 ===== */
.energy-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  background: linear-gradient(135deg, var(--primary-bg), #FFF8E6);
  border-radius: var(--radius-lg);
}

.energy-icon {
  width: 24px;
  height: 24px;
}

.energy-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary);
}

.energy-unit {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* ===== 会员标签 ===== */
.member-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  background: linear-gradient(135deg, #FFD700, #FFA500);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--white);
}

.member-badge.vip {
  background: linear-gradient(135deg, #FFD700, #FFA500);
}

.member-badge.svip {
  background: linear-gradient(135deg, #8B5CF6, #6366F1);
}

/* ===== 分享海报 ===== */
.share-poster {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.share-poster-header {
  padding: var(--spacing-4);
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
}

.share-poster-body {
  padding: var(--spacing-5);
}

.share-poster-qrcode {
  width: 160px;
  height: 160px;
  margin: 0 auto var(--spacing-4);
  background: var(--gray-100);
  border-radius: var(--radius-md);
}

.share-poster-footer {
  padding: var(--spacing-4);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* ===== 核销码 ===== */
.verify-code {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-6);
  background: var(--white);
  border-radius: var(--radius-xl);
}

.verify-code-qrcode {
  width: 200px;
  height: 200px;
  margin-bottom: var(--spacing-4);
  background: var(--gray-100);
  border-radius: var(--radius-md);
}

.verify-code-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: 4px;
}

/* ===== 扫码框 ===== */
.scan-frame {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto;
  border: 3px solid var(--primary);
  border-radius: var(--radius-lg);
}

.scan-frame::before,
.scan-frame::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  border: 4px solid var(--primary);
}

.scan-frame::before {
  top: -3px;
  left: -3px;
  border-right: none;
  border-bottom: none;
  border-radius: var(--radius-md) 0 0 0;
}

.scan-frame::after {
  bottom: -3px;
  right: -3px;
  border-left: none;
  border-top: none;
  border-radius: 0 0 var(--radius-md) 0;
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  animation: scanLine 2s linear infinite;
}

@keyframes scanLine {
  0% { top: 0; }
  100% { top: 100%; }
}

/* ===== 价格显示 ===== */
.price {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.price-symbol {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary);
}

.price-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary);
}

.price-original {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  text-decoration: line-through;
}

.price-energy {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.price-energy-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary);
}

.price-energy-unit {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* 页面头部（返回按钮+标题） */
.page-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 0;
  z-index: 100;
}
.page-header-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-right: var(--spacing-2);
  border-radius: 50%;
  background: var(--gray-50);
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.2s;
}
.page-header-back:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}
.page-header-back:active {
  transform: scale(0.95);
}
.page-header-back svg {
  width: 20px;
  height: 20px;
}
.page-header-title {
  flex: 1;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
}