* {padding: 0px;margin: 0px;box-sizing: border-box;}
ul li { list-style: none; }
.continer {
    width: 100%;
    min-width: 1100px;
}
.part {
    width: 100%;
    min-width: 1100px;
}
.nav_box {
    width: 100%;
    height: 100px;
    position: fixed;
    top: 0px;
    z-index: 9999;
}
.nav {
    width: 72%;
    margin: 0 auto;
    line-height: 100px; 
}
.nav_logo{
    width: 98px;
    padding-top: 10px;
    float: left;
}
.nav_ul {
    float: right;
}
.nav_ul li{
    font-size: 16px;
    float: left;
    margin-right: 90px;
}
.nav_ul a { text-decoration: none; line-height:33px}
.flower_btn {width: 100px;height: 36px;line-height: 40px;text-align: center; display: inline-block; border: 1px solid #979797; border-radius: 18px;}
.part_po {
    position: relative;
}
.download_btn_box {
    position: absolute;
    bottom: 60px;
    left: 19%;
}
.download_btn {
    display: inline-block;
    position: relative;
}
.download_btn img {
    width: 150px;
}
.download_btn .download_img{
    position: absolute;
    bottom: 0px;
    /* height: 50px; */
}
.code { width: 95px !important; bottom: 40px !important;left: 26px;}
.download_code {
    width: 150px;
    height: 159px;
    background: #333333;
    border-radius: 20px;
}
.main img {
    width: 100%;
}
.part5 img {
    width: 100%;
}
.footer_box {
    width: 100%;
    background-color: #f9f9fb;
    margin-top: -60px;
    padding-bottom: 15px;
}
.footer{
    width: 72%;
    text-align: center;
    font-size: 14px;
    color:#555555;
    margin: 0 auto;
}
.border_bottom {
    border-bottom:1px solid #ddd;
}
.bgc {
    filter:alpha(Opacity=80);-moz-opacity:0.9;opacity: 0.9;
    background-color: #ffffff;
}
.color_gray1 {
    color: #333333;
}
.color_gray2 {
    color: #888888;
}
.color_red {
    color: #E53A3E;
}
.MR_20 {
    margin-right: 30px;
}
.hide {display: none}
.clearfloat:after{display:block;clear:both;content:"";visibility:hidden;height:0}
.portal img{display: inline-block; width: 16px !important;height: 16px !important;}