.header {
    position: fixed;
    top: 0;
    /* left: 0; */
    width: 100%;
    height: 70px;
    background: #fff;
    box-shadow: 0px -10px 9px 8px #6d6a6aeb;
    z-index: 999;
    /* border: 1px red solid; */
}

.header ul {
    margin-right: 10%;
    float: right;
    /* border: 1px red solid; */
}


.header ul li {
    float: left;
}

.header ul li a {
    text-decoration: none;
    text-align: center;
    margin-left: 50px;
    padding-bottom: 3px;
    margin-top: 20px;
    line-height: 25px;
    float: left;
    color: black;
       /* border: 1px red solid; */
       /* border-bottom:2px rgb(236, 134, 9) solid; */
}
.header ul .menu-item {
    color: #000; /* 设置菜单项的字体颜色 */
    font-size: 16px; /* 设置菜单项的字体大小 */
    text-decoration: none; /* 取消菜单项的下划线 */
    display: inline-block; /* 将菜单项设置为块级元素 */
    /* padding: 10px; 设置菜单项的内边距 */
  }
  .header ul .active {
    color: rgb(236, 134, 9);
    /* background-color: #eb1313; 设置当前选中菜单项的背景颜色 */
    border-bottom:2px rgb(236, 134, 9) solid;
  }
  

.header ul li a:hover {
    /* font-size: 15px; */
    color: rgb(236, 134, 9);
    /* font-weight: 700; */
    border-bottom:2px rgb(236, 134, 9) solid;
    
}

.header .logo {
    float: left;
    width: 300px;
    height: 70px;
    margin-left: 10%;
    /* border: 1px red solid; */

}

.header .logo img {

    margin-top: -5px;
    width: 125px;


}