/* 欢迎泡泡提示 */
.welcome-bubble {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 10000;
  max-width: 320px;
  padding: 16px 20px;
  border-radius: 16px;
  background: var(--board-bg-color, rgba(255, 255, 255, 0.92));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(0, 0, 0, 0.06);
  color: var(--text-color, #333);
  font-size: 14px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  border: 1px solid var(--line-color, rgba(0, 0, 0, 0.06));
}

.welcome-bubble.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.welcome-bubble.hide {
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  pointer-events: none;
}

.welcome-bubble .bubble-greeting {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
  color: var(--post-heading-color, var(--text-color, #333));
}

.welcome-bubble .bubble-info {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--sec-text-color, #666);
  font-size: 13px;
}

.welcome-bubble .bubble-info .bubble-icon {
  font-size: 14px;
  opacity: 0.7;
}

.welcome-bubble .bubble-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: none;
  color: var(--sec-text-color, #999);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 2px;
  transition: color 0.2s;
}

.welcome-bubble .bubble-close:hover {
  color: var(--text-color, #333);
}

/* 泡泡小尾巴 */
.welcome-bubble::after {
  content: '';
  position: absolute;
  right: 28px;
  bottom: -6px;
  width: 12px;
  height: 12px;
  background: var(--board-bg-color, rgba(255, 255, 255, 0.92));
  border-right: 1px solid var(--line-color, rgba(0, 0, 0, 0.06));
  border-bottom: 1px solid var(--line-color, rgba(0, 0, 0, 0.06));
  transform: rotate(45deg);
  backdrop-filter: blur(12px);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .welcome-bubble {
    right: 12px;
    bottom: 12px;
    max-width: 280px;
    padding: 12px 16px;
    font-size: 13px;
  }
  .welcome-bubble .bubble-greeting {
    font-size: 14px;
  }
}