.aside_menu{
    display: none;
}

/* top_banner */
.top_banner{
    width:100%;
    height:49px;
    background: linear-gradient(to right,#c0c0c0,#b4b4b4);
    position: fixed;
    left:0;
    top:0;
    z-index: 9999;
}

.top_in{
    width:50%;
    height:100%;
    float: left;
}

.top_banner_left_img{
    float: right;
    width: 100%;
}

.top_banner_right_img{
    float: left;
    width:100%;
}


/* header */
/* h_top */
.h_top{
    width:100%;
    height:200px;
    position: relative;
    margin-top: 49px;
}

.search{
    width:230px;
    height:38px;
    background-color: #f1f1f1;

    border-radius: 20px 20px 20px 20px;
    overflow: hidden;

    position: absolute;
    top:50%;
    left:0;
    transform: translateY(-50%);
}

.search > .sr{
    width:calc(230px - 38px);
    height:100%;
    border:none;
    padding:0 20px;
    box-sizing: border-box;
    outline: none;
    background-color: #f1f1f1;

    float: left;
}

.search > img{
    float: left;
}

.logo{
    width:169px;
    height:100%;
    margin:0 auto;

    background:url(../img/header/logo.png)no-repeat center / contain;
}

.logo > a{
    display: block;
    width:100%;
    height:100%;

    text-indent: -99999px;
}

.s_menu {
    position: absolute;
    right:0;
    top:50%;
    transform: translateY(-50%);
}

.s_menu li{
    float: left;
}

.s_menu a{
    padding-left: 17px;
    box-sizing: border-box;
    font-size: 14px;
    color:#828282;
    transition: all 0.5s;
}

.s_menu a:hover{
    color:#000;
    font-weight: 600;
}


/* h_bot */
.nav{
    position: relative;
    height:50px;
    /* border-bottom: 1px solid #eee; */
}

.nav_active{
    width:100%;
    position: fixed;
    left:0;
    top:49px;
    height:50px;
    z-index: 9999;
    background-color: #fff;
    border-bottom: 1px solid rgb(235, 235, 235);
}

.nav_ul{
    height:50px;
    line-height: 50px;
    text-align: center;
}

.nav_li{
  display: inline-block;
  padding:0 30px;
}

.nav_under_var{
    /* width:100px; */
    height:3px;
    border-radius: 3px;
    background-color: #303030;
    
    position: absolute;
    left: 0;
    bottom: 0;
    transition: all 0.5s
}

.nav_li > a{
    display: block;
    width:100%;
    height:100%;
    box-sizing: border-box;
    color:#000;
    font-size: 16px;
    font-weight: 600;
    position: relative;
}

.nav_line{
    width:100%;
    height:3px;
    background-color: #000;
    position: absolute;
    left: 0;
    bottom:0;
    display: inline;
    transition: all 0.3s;
}

.nav_pan{
    width:100%;
    height:0px;
    background-color: rgb(255, 255, 255);
    box-sizing: border-box;
    overflow: hidden;

    position: absolute;
    left:0;
    top:100%;
    z-index: 999;
}

.nav_w{
    width:1905px;
    margin:0 auto;
}

.nav_pan_menu{
    width:100%;
    height:463px;
}

.nav_pan_menu_img{
    width:705px;
    height:100%;
    background-color: rgb(184, 132, 132);
    float: left;
}

.nav_pan_menu_img > img{
    width:100%;
}

.nav_pan_menu_list{
    width:calc(100% - 705px);
    height:100%;
    float: left;

    padding-top: 70px;
    padding-left: 110px;
    box-sizing: border-box;
    line-height: 35px;
}

.m01_list_ul_01{
    width:250px;
    height:100%;
    float: left;
}

.m01_list_ul_01 > li{
    font-size: 15px;
    font-weight: 600;
}

.m01_list_ul_02{
    width:200px;
    height:100%;
    float: left;
}

.m01_list_ul_02 > li{
    font-size: 14px;
}

.m01_list_ul_02 li:nth-child(1){
    font-size: 15px;
    font-weight: 600;
}