/* v3.9：退回的转账 / 红包卡片变灰；心声展开时不再把上面的气泡撑长 */
.msg-card.card-refund { filter: grayscale(.85) saturate(.6); opacity: .78; }
.bubble-wrapper:has(> .xth-card) > .bubble,
.bubble-wrapper:has(> .xth-card) > .msg-card { align-self: flex-start; max-width: 100%; }
.user-message .bubble-wrapper:has(> .xth-card) > .bubble,
.user-message .bubble-wrapper:has(> .xth-card) > .msg-card { align-self: flex-end; }
.bubble-wrapper > .xth-card { width: fit-content; max-width: 100%; }