html{overflow-x:hidden; max-width:750px; margin:0 auto; }
body{margin:0;padding:0;font-family:  "SourceHanSerifCN", Arial, Helvetica, sans-serif;font-size:14px;color:#333;}
@font-face {
    font-family: "SourceHanSerifCN";
    src: url(../img/SourceHanSansCN-Regular.ttf) format('truetype');
}
p,h1,h2,h3,h4,h5,h6{padding:0;margin:0;}
h6{font-size:14px;}
ul,ol,li{list-style:none;margin:0;padding:0px;}
a{color:#333;text-decoration:none;}
img{border:none;}
.f_l{float:left;}
.f_r{float:right;}
.clear{clear:both;}
*{ margin:0; padding:0; box-sizing:border-box }

input,button,select,textarea{outline:none;border:none; font-family: "微软雅黑"; color:#333;}


.logo{ display:block;padding:9px 3%;}
.logo img{ display:block; height:50px; margin:0 auto}
.nav{ display:flex; font-size:16px;padding:9px 3%;justify-content: space-between; background:#eb0603}
.nav a{ color:#FFF}

.ban{ display:block; position:relative}
.ban p{ display:block; position:absolute; top:50%; left:0; text-align:center; color:#FFF; font-size:26px; width:100%; margin-top:-19px;}
.ban img{ display:block; width:100%}
.title{ display:block; padding:18px 0 10px 0; text-align:center}
.title b{ color:#eb0603; font-size:28px; padding-right:6px;}
.title span{ color:#666666; font-size:18px;text-transform:uppercase; display:block}
.about p{ display:block; font-size:17px; line-height:32px;  margin-bottom:6px;}
.about{ padding:0 3%}
.about img{ display:block; width:30%; float:left; padding-right:20px;}
.quanyi{ padding:0 3%}
.quanyi ul{ display:flex;justify-content: space-between; flex-wrap:wrap}
.quanyi ul li{ width:49%; border-radius:6px; background:#eb0603; margin-bottom:7px; padding:10px; color:#FFF; font-size:17px; line-height:30px;}
.quanyi ul li b{ font-size:20px; line-height:40px;}

.gongneng{ display:flex;justify-content: space-between; padding:5px 3%}
.gongneng li{ flex:1; }
.gongneng li img{ width:100%; display:block}



.foot{ display:block; padding:15px 3%; background:#f6f7f9; font-size:15px;line-height:30px; }

.xieyi h2{ text-align:center; font-size:28px; padding:0px 0 10px 0}
.xieyi p{ font-size:16px; line-height:28px;}
.xieyi{ padding:15px 3%}


.er p{ font-size:18px; line-height:36px; padding:15px 3% 5px 3%}
.er img{ display:block; margin:5px auto 15px auto; max-width:82%}