/* 底部样式优化 */
.footer {
  /*background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);*/
  color: white;
  padding: 40px 0 20px;
  margin-top: 60px;
}

.footer .pc_block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 20px 0;
}

.footer .logo {
  text-align: center;
  margin-bottom: 30px;
}

.footer .logo img {
  max-width: 200px;
  height: auto;
}

.footer .list {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.footer .list_left {
  flex: 1;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.footer .list .item {
  margin-bottom: 20px;
  min-width: 200px;
}

.footer .list .item .h6 {
  font-size: 18px;
  font-weight: 600;
  color: white;
  margin-bottom: 15px;
  line-height: 1.3;
}

.footer .list .item_item {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer .list .item_item li {
  margin-bottom: 8px;
}

.footer .list .item_item li a {
  color: #bdc3c7;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer .list .item_item li a:hover {
  color: #3498db;
}

.col-4.col-lg-2.list_rigth {
    top: 6px;
}

.footer .list_rigth {
  text-align: center;
  margin-left: 30px;
}

.footer .list_rigth img {
  max-width: 200px;
  height: auto;
  margin-bottom: 10px;
}

.footer .list_rigth .desc {
  color: #bdc3c7;
  font-size: 14px;
  line-height: 1.4;
}

.footer .bottom {
  padding-top: 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer .bottom .base {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  min-width: 200px;
}

.footer .bottom .base svg {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  fill: #3498db;
}

.footer .bottom .base .h6 {
  color: #bdc3c7;
  font-size: 14px;
  margin: 0;
  line-height: 1.4;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .footer {
    padding: 30px 0 15px;
  }
  
  .footer .pc_block {
    padding: 0 15px;
  }
  
  .footer .list {
    flex-direction: column;
  }
  
  .footer .list_left {
    width: 100%;
    margin-bottom: 20px;
  }
  
  .footer .list .item {
    min-width: 100%;
    margin-bottom: 15px;
  }
  
  .footer .list_rigth {
    margin-left: 0;
    width: 100%;
  }
  
  .footer .bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer .bottom .base {
    justify-content: center;
    margin-bottom: 15px;
  }
}

@media (max-width: 480px) {
  .footer .logo img {
    max-width: 150px;
  }
  
  .footer .list_rigth img {
    max-width: 120px;
  }
  
  .footer .list .item .h6 {
    font-size: 16px;
  }
  
  .footer .list .item_item li a {
    font-size: 13px;
  }
}