.bannerbox{width:100%;position:relative; overflow:hidden;height:500px;}
.banner{width:1920px;position:absolute;left:50%;margin-left:-960px;}
.banner#b1{display:block;height:500px;background:url(../../images/single/blockchain_system/banner.png) no-repeat;}
.banner#b1 .ban2{padding-top:150px;}
.banner#b1 .ban2 .bac{margin-top:30px;width:498px;}
.banner#b1 .ban2 .bac p{font-size:20px;margin-top:0;line-height:42px;}

.page-title{text-align:center;}
.page-title .main{font-size:32px;color:#323232;}
.page-title .small{font-size:18px;color:#666;margin-top:26px;}
.page-title.white .main{color:#fff;}
.page-title.white .small{color:#fff;}

.first-main{background-color:#F8F9FB;padding:60px 0;}
.first-content{width:1200px;font-size:0;margin:0 auto;}
.first-content .text-box{display:inline-block;vertical-align:middle;width:790px;}
.first-content .text-box .main{font-size:28px;color:#576AED;font-weight:bold;}
.first-content .text-box .line{display:inline-block;width:40px;height:2px;background-color:#5480EE;margin:15px 0 25px 0;}
.first-content .text-box .small{font-size:16px;color:#666;line-height:2;}
.first-content .img{vertical-align:middle;}

.second-main{margin:100px 0 80px 0;}
.second-content{width:1260px;height:380px;margin:75px auto 0 auto;box-sizing:border-box;padding:72px 0 0 100px;background-image:url(../../images/single/blockchain_system/bg_4.png);background-position:0 0;background-repeat:no-repeat;}
.second-content:after{content:'';display:block;clear:both;}
.second-content .list{float:left;font-size:0;}
.second-content .list .main{font-size:24px;color:#576AED;font-weight:500;}
.second-content .list .line{display:inline-block;width:30px;height:1px;background-color:#D8D8D8;margin:15px 0;}
.second-content .list .text{font-size:16px;color:#666;}
.second-content .list .text>li{line-height:48px;}
.second-content .list:last-child{margin-left:215px;}

.third-main{background-color:#5c61a9;text-align:center;font-size:0;}
.third-main img{width:1200px;height:auto;display:block;margin:0 auto;}

.fourth-main{margin:100px 0;}
.fourth-content{width:1200px;margin:90px auto 0 auto;font-size:0;}
.fourth-content:after{content:'';display:block;clear:both;}
.fourth-content .list{float:left;width:240px;box-sizing:border-box;text-align:center;padding:30px 20px 50px 20px;}
.fourth-content .list:nth-child(odd){background-color:#F8F9FB;}
.fourth-content .list .icon{margin-bottom:15px;}
.fourth-content .list .name{font-size:20px;color:#576AED;margin-bottom:10px;}
.fourth-content .list .small{font-size:14px;color:#666;line-height:2;}

.fifth-main{background-image:url(../../images/single/blockchain_system/bg_3.png);background-size:auto 100%;padding:100px 0 45px 0;background-repeat:no-repeat;background-position:center;}
.fifth-content{width:1200px;font-size:0;margin:45px auto 0 auto;font-size:0;}
.fifth-content .text-box{display:inline-block;vertical-align:middle;width:600px;}
.fifth-content .text-box .list{
	margin-bottom:10px;
	background:-webkit-linear-gradient(90deg,rgba(0,234,255,0.1) 0%,rgba(0,255,228,0) 100%);
	background:-moz-linear-gradient(90deg,rgba(0,234,255,0.1) 0%,rgba(0,255,228,0) 100%);
	background:-ms-linear-gradient(90deg,rgba(0,234,255,0.1) 0%,rgba(0,255,228,0) 100%);
	background:-o-linear-gradient(90deg,rgba(0,234,255,0.1) 0%,rgba(0,255,228,0) 100%);
	background:linear-gradient(90deg,rgba(0,234,255,0.1) 0%,rgba(0,255,228,0) 100%);
	padding:20px;
}
.fifth-content .text-box .list:last-child{margin-bottom:0;}
.fifth-content .text-box .list .icon{vertical-align:middle;margin-right:20px;}
.fifth-content .text-box .list .text{display:inline-block;vertical-align:middle;}
.fifth-content .text-box .list .text .name{font-size:24px;color:#fff;font-weight:bold;margin-bottom:8px;}
.fifth-content .text-box .list .text .small{font-size:14px;color:#fff;line-height:1.5;}
.fifth-content .img{vertical-align:middle;}

.sixth-main{margin:90px auto;}
.sixth-content{width:1200px;margin:85px auto 0 auto;font-size:0;}
.sixth-content:after{content:'';display:block;clear:both;}
.sixth-content .list{float:left;margin-right:58px;text-align:center;box-sizing:border-box;padding:32px 30px 0 30px;width:256px;height:320px;background:rgba(255,255,255,1);box-shadow:0px 10px 25px 10px rgba(99,122,152,0.1);border-radius:4px;}
.sixth-content .list:last-child{margin-right:0;}
.sixth-content .list .icon{margin-bottom:45px;}
.sixth-content .list .name{font-size:22px;color:#333;margin-bottom:10px;}
.sixth-content .list .small{font-size:14px;color:#999;line-height:2;}

/*留言板*/
.message{display:block;padding:80px 0;background:#f0f3fa;}
.mestitle,.remarks{display:block;text-align:center;}
.mestitle .titleh{font-size:28px;color:#333;font-weight:700}
.mestitle .contp{font-size:20px;color:#666;margin-top:10px;}
.formd form{display:flex;justify-content:space-evenly;padding:0 200px;margin-top:40px;}
.formd form .xmane,.formd form .iphone{width:300px;position:relative;border:solid 1px #f0f3fa;box-sizing:border-box;}
.formd form .xmane input,.formd form .iphone input{display:block;width:100%;height:100%;box-sizing:border-box;line-height:60px;padding:20px 10px;padding-left:60px;font-size:14px;}
.formd form .xmane:before{display:block;position:absolute;left:15px;top:15px;content:'';background:url(../../images/xingming.png) no-repeat;width:30px;height:30px;}
.formd form .iphone:before{display:block;position:absolute;left:15px;top:15px;content:'';background:url(../../images/dianhua.png) no-repeat;width:30px;height:30px;}
.formd form .submit{width:180px;height:60px;}
.formd form .submit input{display:block;width:100%;height:100%;text-align:center;line-height:60px;background:#316fff;color:#fff;border:solid 1px #316fff;font-size:20px;cursor:pointer;box-sizing:border-box;}
.remarks{margin-top:30px;}
.remarks .main{font-size:24px;color:#333;font-weight:700}
.remarks .small{font-size:24px;margin-top:5px;color:#666;}
font{color:#f50303;font-weight:700;}

.video-main{background-color:#F8F9FB;padding:90px 0 60px 0;}
.video-content{width:950px;height:572px;box-sizing:border-box;padding-top:48px;margin:15px auto 0 auto;background:url(../../images/single/blockchain_system/video_bg.png) no-repeat 0 0;background-size:100% 100%;}
.video-content .my-video{width:100%;height:100%;background-color:#999;}
.video-content .video-box{width:696px;height:392px;margin:0 auto;overflow:hidden;border-radius:15px;position:relative;}
.video-content .video-btn{font-size:0;width:70px;height:70px;position:absolute;top:50%;left:50%;margin:-35px 0 0 -35px;cursor:pointer;z-index:99;}
.video-content .video-btn>img{width:100%;height:100%;}
.video-content .video-poster{position:absolute;width:100%;height:100%;top:0;left:0;}