/* ========== Floating Buttons ========== */
/* 悬浮按钮组：返回顶部 + 客服咨询 */

.floating-btns {
  position: fixed;
  right: 30px;
  bottom: 46px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* 通用按钮样式 */
.floating-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid #DDE5F0;
  box-shadow: 0 8px 24px rgba(15, 50, 95, .14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary, var(--blue, #033b79));
  cursor: pointer;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, background .25s, color .25s, border-color .25s, box-shadow .25s;
}

.floating-btn.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.floating-btn:hover {
  background: var(--color-primary, var(--blue, #033b79));
  color: #fff;
  border-color: var(--color-primary, var(--blue, #033b79));
  box-shadow: 0 10px 30px rgba(3, 59, 121, .25);
}

.floating-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Tooltip */
.floating-btn::before {
  content: attr(data-tooltip);
  position: absolute;
  right: 58px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, .75);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}

.floating-btn:hover::before {
  opacity: 1;
}

/* 客服按钮特殊样式 */
.floating-btn--service {
  transition-delay: .05s;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .floating-btns {
    right: 16px;
    bottom: 24px;
    gap: 10px;
  }
  .floating-btn {
    width: 42px;
    height: 42px;
  }
  .floating-btn svg {
    width: 18px;
    height: 18px;
  }
  .floating-btn::before {
    display: none;
  }
}

@media print {
  .floating-btns {
    display: none;
  }
}