#app {
        font-family: Avenir, Helvetica, Arial, sans-serif;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-align: center;
        color: #2c3e50;
        min-width: 1340px;
      }

      * {
        padding: 0;
        margin: 0;
      }

      img {
        width: 100%;
        vertical-align: top;
      }

      .xunxi_01 {
        width: 100%;
        height: 650px;
        position: relative;
        background: url('./xunxi_01.png') #eff1f3;
        background-size: auto 100%;
        background-position: center center;
        background-repeat: no-repeat;
 
      }
      .xunxi_01 .xunxi_02 {
        width: 1254px;
        height: 216px;
        position: absolute;
         top: 100%; /* 定位到父容器底部 */
        left: 50%;
          transform: translateY(-50%) translateX(-50%); /* 向上移动自身高度的一半 */
        
      }
      .xunxi_01 .nav {
        width: 1254px;
        position: absolute;
        top: 18px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        justify-content: space-between;
      }

      .xunxi_01 .nav img {
        width: 180px;
      }
      .xunxi_01 .nav .active {
        display: flex;
      }
      .xunxi_01 .nav .active a {
        text-decoration: none;
        margin-left: 55px;
        color: #000000;
        font-size: 16px;
      }
      /* 导航链接默认样式 */
.nav .active a {
  text-decoration: none;
  margin-left: 55px;
  color: #000000;
  font-size: 16px;
  transition: color 0.3s ease; /* 添加颜色过渡效果 */
}

/* 鼠标悬停效果 */
.nav .active a:hover {
  color: #306BFF;
}
      .xunxi_03 {
        width: 100%;
        height: 980px;
        padding-top: 210px;
        box-sizing: border-box;
      }
      .xunxi_03 img {
        width: 1254px;
        height: 631px;
   margin: 0 auto;

      }
      .xunxi_04 {
        width: 100%;
        height: 759px;
        background: #f7fafd;
        padding-top: 110px;
        box-sizing: border-box;
      }
      .xunxi_04 img {
        width: 1254px;
        height: 519px;
         margin: 0 auto;
      }
      .xunxi_05 {
        width: 100%;
        height: 740px;
        padding-top: 110px;
        box-sizing: border-box;
      }
      .xunxi_05 img {
        width: 1340px;
        height: 498px;
             margin: 0 auto;
      }
      .xunxi_06 {
        width: 100%;
        height: auto;
        background: #404143;
      }
      .xunxi_06 .beian {
        margin-top: 30px;
        padding-bottom: 30px;
      }
      .xunxi_06 .beian p {
        text-align: center;
        font-weight: bold;
        font-size: 12px;
        line-height: 28px;
      }
      .xunxi_06 .beian a{
        cursor: pointer;
        color: rgba(189, 189, 189, 1);
        text-decoration: none;
      }
      .xunxi_06 img:nth-child(2) {
        width: 66%;
        margin-top: 39px;
      }

      .contact-btn {
        position: absolute;
        width: 160px;
        height: 50px;
        /* background: yellow; */
        bottom: 188px;
        left: 50%;
        transform: translateX(-620px);
        z-index: 10;
      }

      .zhe-btn {
        margin-left: 20px;
      }

      .zhe-btn img {
        width: 12px;
        height: 12px;
        margin-right: 5px;
        text-align: center;
        vertical-align: middle;
        position: relative;
        top: -2px;
      }