/* 侧边栏联系样式 */
:root {
  --sidebar-primary: #18c8ff;
  --sidebar-primary-2: #2f7bff;
  --sidebar-bg: rgba(12, 28, 55, 0.95);
  --sidebar-bg-hover: rgba(24, 200, 255, 0.15);
  --sidebar-border: rgba(34, 211, 238, 0.3);
  --sidebar-text: #ffffff;
  --sidebar-text-sub: #b8c7df;
}

.sidebar-contact {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
}

.sidebar-contact-item {
  position: relative;
  width: 75px;
  height: 75px;
  background: var(--sidebar-bg);
  color: var(--sidebar-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 2px;
  border-left: 2px solid var(--sidebar-border);
  backdrop-filter: blur(10px);
  padding: 5px 0;
}

.sidebar-contact-item:hover {
  background: var(--sidebar-bg-hover);
  color: var(--sidebar-primary);
  border-left-color: var(--sidebar-primary);
  box-shadow: 0 0 20px rgba(24, 200, 255, 0.2);
}

.sidebar-contact-item i {
  font-size: 24px;
}

.sidebar-contact-item .item-label {
  display: block;
  font-size: 10px;
  margin-top: 3px;
  color: var(--sidebar-text-sub);
  text-align: center;
  line-height: 1.2;
}

/* 弹出框 */
.sidebar-contact-popup {
  position: absolute;
  right: 75px;
  top: 0;
  background: var(--sidebar-bg);
  border-radius: 8px 0 0 8px;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
  padding: 20px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition: all 0.3s ease;
  z-index: -1;
  border: 1px solid var(--sidebar-border);
  backdrop-filter: blur(10px);
}

.sidebar-contact-item:hover .sidebar-contact-popup {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* 电话弹出框 */
.sidebar-contact-popup.phone-popup {
  padding: 20px;
}

.sidebar-contact-popup.phone-popup .popup-title {
  font-size: 14px;
  color: var(--sidebar-text-sub);
  margin-bottom: 8px;
  font-weight: 500;
}

.sidebar-contact-popup.phone-popup .popup-phone {
  font-size: 22px;
  color: var(--sidebar-primary);
  font-weight: bold;
  margin-bottom: 5px;
}

.sidebar-contact-popup.phone-popup .popup-phone a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.sidebar-contact-popup.phone-popup .popup-phone a:hover {
  color: var(--sidebar-primary-2);
}

.sidebar-contact-popup.phone-popup .popup-subtitle {
  font-size: 14px;
  color: var(--sidebar-text-sub);
}

/* 微信弹出框 */
.sidebar-contact-popup.wechat-popup {
  padding: 15px 15px 15px 15px;
  text-align: center;
  min-width: 180px;
}

.sidebar-contact-popup.wechat-popup .popup-qr {
  width: 130px;
  height: 130px;
  margin: 0 auto 10px;
  padding: 0;
  background: none;
  border-radius: 0;
  border: none;
}

.sidebar-contact-popup.wechat-popup .popup-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.sidebar-contact-popup.wechat-popup .popup-qr-placeholder {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sidebar-text-sub);
  font-size: 12px;
  border-radius: 4px;
}

.sidebar-contact-popup.wechat-popup .popup-desc {
  font-size: 14px;
  color: var(--sidebar-text-sub);
}

/* 移动端样式 */
@media (max-width: 768px) {
  .sidebar-contact {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    transform: none;
    display: flex;
    width: 100%;
    background: var(--sidebar-bg);
    border-top: 1px solid var(--sidebar-border);
    backdrop-filter: blur(10px);
  }

  .sidebar-contact-item {
    flex: 1;
    width: auto;
    height: 70px;
    flex-direction: column;
    margin-bottom: 0;
    border-left: none;
    border-right: 1px solid rgba(34, 211, 238, 0.1);
  }

  .sidebar-contact-item:last-child {
    border-right: none;
  }

  .sidebar-contact-item:hover {
    border-left: none;
    box-shadow: none;
  }

  .sidebar-contact-item .item-label {
    display: block;
    font-size: 12px;
    margin-top: 4px;
    color: var(--sidebar-text-sub);
  }

  .sidebar-contact-item i {
    font-size: 24px;
  }

  .sidebar-contact-popup {
    display: none !important;
  }

  /* 移动端：电话和微信直接点击拨打电话/显示微信（可以根据需求调整） */
  .sidebar-contact-item.phone-item,
  .sidebar-contact-item.wechat-item {
    cursor: pointer;
  }
}