/* 顶部导航菜单样式 - 增强移动端视觉和交互体验 */
#bottom-nav {
  position: fixed !important;
  top: 20px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  z-index: 9999 !important;
  background: linear-gradient(135deg, rgba(25, 25, 40, 0.85) 0%, rgba(10, 10, 20, 0.9) 100%) !important;
  backdrop-filter: blur(20px) !important;
  border-radius: 30px !important;
  padding: 10px 20px !important;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  min-height: auto !important;
  max-height: none !important;
  width: auto !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  overflow: hidden !important;
}

/* 移除发光效果，确保完全透明 */

#bottom-nav:hover {
  background-color: rgba(10, 10, 10, 0.9) !important;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4) !important;
  transform: translateX(-50%) translateY(-2px) !important;
}

#bottom-nav-list {
  display: flex !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  gap: 150px !important;
  min-height: auto !important;
  height: auto !important;
}

#bottom-nav-list .bottom-nav-item {
  position: relative !important;
  list-style-type: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  color: #bbb !important;
  text-decoration: none !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  font-family: inherit !important;
  line-height: normal !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  border-radius: 16px !important;
  padding: 8px !important;
  position: relative !important;
  overflow: hidden !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link::after {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: -100% !important;
  width: 100% !important;
  height: 100% !important;
  background: linear-gradient(90deg, transparent, rgba(0, 168, 255, 0.2), transparent) !important;
  transition: left 0.5s !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link:hover {
  color: #fff !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 4px 15px rgba(0, 168, 255, 0.3) !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link:hover::after {
  left: 100% !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-icon {
  font-size: 20px !important;
  margin-bottom: 5px !important;
  display: inline-block !important;
  width: auto !important;
  height: auto !important;
  transition: transform 0.3s ease, filter 0.3s ease !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3)) !important;
  position: relative !important;
  z-index: 1 !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link:hover .bottom-nav-icon {
  transform: scale(1.2) translateY(-2px) !important;
  filter: drop-shadow(0 4px 8px rgba(0, 168, 255, 0.4)) !important;
  animation: iconBounce 0.5s ease !important;
}

/* 图标弹跳动画 */
@keyframes iconBounce {
  0%, 100% {
    transform: scale(1.2) translateY(-2px) !important;
  }
  50% {
    transform: scale(1.25) translateY(-4px) !important;
  }
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-text {
  display: inline-block !important;
  font-size: 12px !important;
  margin: 0 !important;
  padding: 0 !important;
  font-weight: 600 !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
  position: relative !important;
  z-index: 1 !important;
  transition: color 0.3s ease, text-shadow 0.3s ease !important;
}

#bottom-nav-list .bottom-nav-item .bottom-nav-link:hover .bottom-nav-text {
  text-shadow: 0 2px 6px rgba(0, 168, 255, 0.6) !important;
}

/* 响应式设计 - 移动端优化增强 */
@media (max-width: 768px) {
  #bottom-nav {
    padding: 15px 25px !important;
    border-radius: 40px !important;
    backdrop-filter: blur(20px) !important;
  }
  
  #bottom-nav-list {
    gap: 25px !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-icon {
    font-size: 28px !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-text {
    font-size: 13px !important;
    font-weight: 700 !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link {
    padding: 10px 15px !important;
  }
}

@media (max-width: 480px) {
  #bottom-nav {
    top: 10px !important;
    width: 95% !important;
    max-width: 400px !important;
    padding: 12px 8px !important;
    background: transparent !important;
    background-color: transparent !important;
    backdrop-filter: blur(20px) !important;
    border-radius: 45px !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  #bottom-nav-list {
    gap: 5px !important;
    justify-content: space-around !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link {
    padding: 8px 10px !important;
    min-width: auto !important;
    min-height: auto !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    position: relative !important;
    overflow: hidden !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    width: 0 !important;
    height: 0 !important;
    border-radius: 50% !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
    transform: translate(-50%, -50%) !important;
    transition: width 0.4s, height 0.4s !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link:active::before {
    width: 150px !important;
    height: 150px !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-icon {
    font-size: 24px !important;
    margin-bottom: 3px !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
  }
  
  #bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-text {
    display: block !important;
    font-size: 10px !important;
    font-weight: 600 !important;
    line-height: 1 !important;
  }
  
  /* 增加移动端点击区域和视觉反馈 */
  #bottom-nav-list .bottom-nav-item {
    min-width: 70px !important;
    min-height: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  /* 确保移动端文字标签清晰可见 */
  #bottom-nav-list .bottom-nav-item .bottom-nav-link .bottom-nav-text {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    position: relative !important;
    z-index: 1 !important;
  }
  
  /* 移动端图标点击动效 */
  #bottom-nav-list .bottom-nav-item .bottom-nav-link:active {
    transform: scale(0.95) translateY(-2px) !important;
  }
  
  /* 触摸状态优化 */
  #bottom-nav-list .bottom-nav-item .bottom-nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15) !important;
  }
}

/* 动画效果 */
@keyframes float {
  0% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-4px);
  }
  100% {
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes glowPulse {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* 在移动端禁用浮动动画以避免任何可能的视觉干扰 */
@media (min-width: 481px) {
  #bottom-nav {
    animation: float 3s ease-in-out infinite !important;
  }
}

@media (max-width: 480px) {
  #bottom-nav {
    animation: none !important;
    transform: translateX(-50%) !important;
  }
}

/* 滚动时的效果 - 保持移动端透明 */
body.scrolled #bottom-nav {
  background-color: rgba(10, 10, 10, 0.7) !important;
}

/* 确保移动端始终透明，覆盖滚动效果 */
@media (max-width: 480px) {
  body.scrolled #bottom-nav {
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
}

/* 高亮当前页面 */
.at-home #bottom-nav-list .bottom-nav-item.is-home .bottom-nav-link,
.at-wenzhang #bottom-nav-list .bottom-nav-item:nth-child(2) .bottom-nav-link,
.at-gongju #bottom-nav-list .bottom-nav-item:nth-child(3) .bottom-nav-link,
.at-kefu #bottom-nav-list .bottom-nav-item:nth-child(4) .bottom-nav-link {
  color: #fff !important;
  background-color: rgba(0, 168, 255, 0.2) !important;
  box-shadow: 0 4px 15px rgba(0, 168, 255, 0.4) !important;
}

.at-home #bottom-nav-list .bottom-nav-item.is-home .bottom-nav-link .bottom-nav-icon,
.at-wenzhang #bottom-nav-list .bottom-nav-item:nth-child(2) .bottom-nav-link .bottom-nav-icon,
.at-gongju #bottom-nav-list .bottom-nav-item:nth-child(3) .bottom-nav-link .bottom-nav-icon,
.at-kefu #bottom-nav-list .bottom-nav-item:nth-child(4) .bottom-nav-link .bottom-nav-icon {
  transform: scale(1.1) !important;
  filter: drop-shadow(0 0 8px rgba(0, 168, 255, 0.6)) !important;
}

.at-home #bottom-nav-list .bottom-nav-item.is-home .bottom-nav-link .bottom-nav-text,
.at-wenzhang #bottom-nav-list .bottom-nav-item:nth-child(2) .bottom-nav-link .bottom-nav-text,
.at-gongju #bottom-nav-list .bottom-nav-item:nth-child(3) .bottom-nav-link .bottom-nav-text,
.at-kefu #bottom-nav-list .bottom-nav-item:nth-child(4) .bottom-nav-link .bottom-nav-text {
  text-shadow: 0 0 8px rgba(0, 168, 255, 0.8) !important;
}

/* 指示器效果 - 针对顶部导航调整位置 */
#bottom-nav-list .bottom-nav-item::after {
  content: '' !important;
  position: absolute !important;
  bottom: -15px !important;
  left: 50% !important;
  transform: translateX(-50%) scaleX(0) !important;
  width: 16px !important;
  height: 3px !important;
  background-color: #fff !important;
  border-radius: 3px !important;
  transition: transform 0.3s ease !important;
  display: block !important;
  z-index: 9999 !important;
}

#bottom-nav-list .bottom-nav-item:hover::after,
#bottom-nav-list .bottom-nav-item.is-active::after {
  transform: translateX(-50%) scaleX(1) !important;
}