/* ============================================
   移动端导航样式
   ============================================ */

.mobile-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 12px 0;
  background: rgba(34, 158, 217, 0.92);
  box-shadow: 0 -8px 24px rgba(15, 31, 60, 0.12);
  z-index: 999;
}

.mobile-link {
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.mobile-link:hover {
  background: rgba(255, 255, 255, 0.18);
}