/* 升级/降级页面 */
.xx-upgrade-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
}

.xx-upgrade-header {
  text-align: center;
  margin-bottom: 40px;
}

.xx-upgrade-header h2 {
  font-size: 32px;
  font-weight: 900;
  color: var(--slate, #0f172a);
  margin: 0 0 8px;
}

.xx-upgrade-header p {
  font-size: 16px;
  color: var(--muted, #64748b);
  margin: 0;
}

/* 套餐卡片 */
.xx-upgrade-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .xx-upgrade-plans {
    grid-template-columns: 1fr;
  }
}

.xx-upgrade-card {
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid rgba(226, 232, 240, 0.95);
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.xx-upgrade-card:hover {
  border-color: var(--indigo, #4f46e5);
  box-shadow: 0 8px 30px rgba(79, 70, 229, 0.1);
}

.xx-upgrade-card.selected {
  border-color: var(--indigo, #4f46e5);
  box-shadow:
    0 0 0 3px rgba(79, 70, 229, 0.12),
    0 8px 30px rgba(79, 70, 229, 0.1);
}

.xx-upgrade-card.current {
  border-color: var(--green, #10b981);
}

.xx-current-badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--green, #10b981);
  color: white;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.xx-upgrade-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--slate, #0f172a);
  margin: 0 0 16px;
}

.xx-price {
  margin-bottom: 8px;
}

.xx-save {
  display: inline-block;
  margin-left: 4px;
  font-size: 11px;
  color: var(--green, #10b981);
  font-weight: 600;
}

/* 操作区 */
.xx-upgrade-actions {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.xx-auto-renew-section {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted, #64748b);
  font-size: 14px;
}

.xx-cancel-btn {
  margin-top: 8px;
}