*{margin:0; padding:0;}
em{font-style:normal;}
li{list-style:none;}
a{ text-decoration:none;}
body{ width:100%;height:100vh;font-size:14px;line-height:1.75;font-family: "Microsoft YaHei",Arial, Helvetica, sans-serif;background:url(../images/bg.png);background-size:cover; }
.clearfix:after {content:".";display:block;height:0;visibility:hidden;clear:both;}
.clearfix {zoom:1;}
.body{ width:100%; }

.left{float:left}
.right{float:right}

.container{width:1400px;margin:0px auto;}
.header{display:flex;justify-content: space-between;width:100%}
.header .logo{background:url(../images/logo.png) left center no-repeat;background-size:auto 100%;height:44px;line-height:44px;margin-top:8px;padding-left:50px;font-size: 18px;
color: #4d4d4d;
font-family: "Arial";}
.header .pllicy{font-size: 18px;margin-top:8px;
color: #4d4d4d;
font-family: "Arial";}
.header .pllicy a{color: #4d4d4d;}
.header .pllicy a:hover{color: #ff6600;}

.main{ width:100%; background:url(../images/rightpic.png)  right center no-repeat;height:666px;position: relative;padding-right:780px;box-sizing: border-box;margin-top:50px;}
.h1{font-size: 72px;margin-top:95px;
line-height: 84px;
color: #000000;
font-weight: bold;
font-family: "Arial";}
.p1{opacity: 0.761;
font-size: 18px;
line-height: 36px;
color: #74657d;
font-family: "Arial";}
.downbtn{background:url(../images/downbtn.png) center center no-repeat;width: 396px;height:82px;font-size: 24px;position: absolute;left:0px;top:400px;
line-height: 82px;cursor: pointer;
color: #ffffff;
font-family: "Arial";}
.downbtn::before{content:"";background:url(../images/icon-down.png);width:31px;height:27px;margin-top:27px;float:left;margin-left:99px;margin-right:15px;}

footer{position: fixed;background-color:#000;color:#fff;text-align: center;height:30px;line-height: 30px;bottom:0px;left:0px;width:100%;}