body html{
    width:100%; 
    height:100vh; 
    overflow-x: hidden;
    background-color: #f5f5f5;
}
body::-webkit-scrollbar{
    display: none;
}
ul li a{
    list-style: none;
    text-decoration: none;
}
/* 顶部背景图 */
.adv{
    width: 100%;
    top: 0;
}
.adv img{
    width: 100%;
}
.proimg{
    width: 100%;
}
.product{
    display: flex;
    width: 100%;
}
.product_img{
    width: 100%;
    background-color: #f5f5f5;
}
.wrap_pro{
    width: 62.5%;
    height: 100%;
    margin: 0px auto;
    box-sizing: border-box;
}

/*导航开始*/
/* 导航整体位置 */
.second_nav{
    width: 18%;
    background: url(../../Images/ShowImg/nav/lnav_bg.png) no-repeat;
    background-size: cover;
    float: left;
    /*测试新增*/
    position: sticky;
    top: 12%;

}
/* 导航标题 */
.cate_tle{
    font-size: 16px;
    line-height: 2;
    color: #60636F;
    padding-top: 10%;
}
.second_nav li{
    line-height: 2.4;
}
/* 导航分类内容 */
.second_nav li a{
    font-size: 20px;
    color: #1D2233;
}
.second_nav li a span{
    font-size: 16px;
    color: #1D2233;
    vertical-align: unset;
}
.second_nav li a:hover{   
    color: #0077ff;
}
.second_nav li a:hover span{
    font-size: 18px;
    color: #0077ff;
}
/* 返回顶部 */
.second_nav ul li a i{
    color: #0077ff;
    vertical-align: middle;
}
/*右侧内容开始*/
/* 类别隐藏模块 */
.anchor{
    display: block;
    height: 110px; /*顶部导航高*/
    margin-top: -110px; /*顶部导航的高度*/
    visibility: hidden;
}
.pro_category{
    width: 81%;
    overflow: scroll;
    float: right;
    padding-left: 2%;
    /*测试新增*/
    overflow: hidden;
    z-index: 999;
}
.pro_category::-webkit-scrollbar{
    position: fixed;
    top: 140px;
}
/* 类别高度 */
.five,.four,.three,.last-three{
    margin-top: 30px;
}
.five{
    height: 440px;
}
.four{
    height: 440px;
}
.three{
    height: 240px;
}
.last-three{
    height: 340px;
}

.catetitle{
    font-size: 20px;
    margin-left: 2%; 
}
/* 列表大小 */
.cate_img li{
    width: 23%;
	/* height: 180px; */
	background-color: #fff;
	text-align: center;
	margin-left: 1.5%;
    margin-top: 2%;/*测试新增*/
	float: left;
}
.cate_img li img{
    width: 26%;
    padding-top: 12%;
}
.cate_img li:hover{
    box-shadow: 0 8px 16px #1D223316;
}

.cate_img li h3{
    font-size: 18px;
    /* font-family: "Noto Sans SC"; */
    font-weight: 600; 
    padding: 6% 0 4% 0;
    color: #282D3D;
}
.cate_img li p{
    font-size: 15px;
    margin-bottom: 10%;
    color: #A4A6AD;
    padding: 0 4px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}