figure{margin: 0;padding: 0;}
.banner{position: relative;width: 100%;height: 881px;overflow: hidden;}
.banner .bg{width: 100%;overflow: hidden;transition: all ease-in-out .6s;}
.banner .bg img{display: block;width: 100%;height: auto;}
.banner .polygon{position: absolute;z-index: 5;left: 0;top: 45%;width: 100%;height: 55%; overflow: hidden;transition: all ease-in-out .6s;}
.banner .polygon img{display: block;width: 100%;}
.banner .polygon .svg-bg{background: #f7f7f7;width: 100%;height: 300px;}
.banner .title{position: absolute;left: 0;top: 15%;width: 100%;text-align: center; opacity: 1; transition: all ease-in-out .6s;}
.banner .title h1{font-size: 30px;color: #333;font-weight: normal;line-height: 60px;}
.banner .title img{display: block;margin: 0 auto;}
.banner .intro{position: absolute;top: 35%;left: 15%;opacity: 1;transition: all ease-in-out .6s;}
.banner .intro h2{position: relative;margin:0 0 20px;font-size: 36px;font-weight: normal;line-height: 80px;}
.banner .intro h2::after{content: '';position: absolute;left: 0;bottom: -2px;width: 80px;height: 2px;background: #4cbbb4;}
.banner .intro p{font-size: 24px;line-height: 48px;color: #666;}
.banner .video-box{position: absolute;z-index: 10;top: 28%;right: 10%;width: 38%;transition: all ease-in-out .6s;}
.banner .video-box img{width: 100%;}
.banner .video-box .video{position: absolute; width: 76%; top: 6.5%; left: 12%;}
.banner .video-box .video video{width: 100%;}
.banner .text{position: absolute; z-index: 12;left: 0; top: 80%;opacity: 1; width: 100%;text-align: center;font-size: 18px;line-height: 36px;color: #666;transition: all ease-in-out .6s;}

.banner-animate .bg{transform: translateY(-150px);}
.banner-animate .polygon{top: 50%;}
.banner-animate .title{top: 0; opacity: 0;}
.banner-animate .intro{top: 80%; opacity: 0;}
.banner-animate .video-box{transform: scale(1.3); right: 32%;top: 43%;}
.banner-animate .text{top: 100%; opacity: 0;}

.zhd{margin-bottom: 50px;text-align: center;}
.zhd h2{font-size: 30px;font-weight: normal;line-height: 60px;}
.zhd img{display: block;margin: 0 auto;}

.zbtn{display: block;position: relative;width: 420px;height: 55px;line-height: 55px;text-align: left;font-size: 24px;color: #fff;text-indent: 72px;background: #4cbbb4;border-radius: 30px; transition: all ease-in-out .3s;}
.zbtn::before{position: absolute;content: '';left: 17px;bottom: 0;width: 51px;height: 74px;background: url("/mac/common/img/mac-robot.png") no-repeat; animation:zbtn 3s infinite linear;}
.zbtn:hover{color: #fff; box-shadow: 0 5px 10px 2px rgba(0,0,0,.1);}
@keyframes zbtn{
    0%,80%,84%,90%,96%,100%{transform:translateY(0)}
    88%{transform:translateY(-15px)}
    92%{transform:translateY(-2px)}
}
.m1{padding: 60px 0 70px;}
.m1 ul{width: 1338px;margin: 0 auto;}
.m1 li{float: left; width: 446px;text-align: center;}
.m1 li .pic{width: 140px;height: 87px;margin: 0 auto;}
.m1 li .pic img{display: block;width: 140px;height: 87px;}
.m1 li h3{font-size: 24px;font-weight: normal;line-height: 60px;}
.m1 li p{font-size: 18px;line-height: 30px;color: #999;}

.m2{position: relative;height: 582px;padding: 70px 0 0 0;background: #f5f5f5 url("../images/m2.jpg") right top no-repeat;}
.m2 .zhd{margin-bottom: 90px;}
.m2 .intro{width: 630px;font-size: 18px;line-height: 40px;color: #999;}
.m2 .intro p{text-indent: 2em;margin-bottom: 80px;}
.m2 .intro .zbtn{margin: 0 auto;}

.m3{padding: 70px 0;}
.m3 .zbd{overflow: hidden;zoom: 1;}
.m3 .intro{font-size: 18px;line-height: 40px;color: #999;text-indent: 2em;}
.m3 dl{margin: 50px 0 0 0;}
.m3 dl dt{float: left;width: 600px;}
.m3 dl dt img{display: block;margin: 0 auto;width: 600px;height:440px;}
.m3 dl dd{float: right;width: 660px; height: 440px;}
.m3 dl dd .info{display: table-cell;width: 100%;height: 440px;vertical-align: middle;}
.m3 dl dd h3{margin:0 0 25px;font-size: 30px;font-weight: normal;line-height: 50px;}
.m3 dl dd p{font-size: 18px;color: #999;line-height: 40px;}
.m3 dl.even dt{float: right;}
.m3 dl.even dd{float: left;}

.m4{padding: 100px 0;margin: 0 0 1px;overflow: hidden;background: #f5f5f5;}
.m4 .video{float: right;width: 618px;height: 268px;overflow: hidden;background: #000;}
.m4 .video video{display: block;width: 100%;height: 268px;background: #000;}
.m4 .intro{width: 655px;padding: 20px 0 0 0;margin-bottom: 75px;font-size: 18px;line-height: 40px;color: #999;}
.m4 .doc{font-size: 30px;}
.m4 .doc span{color:#4cbbb4;}

.m5{padding: 90px 0;}
.m5 .flex_row{align-items: center;}
.circle{position: relative;width: 680px; height: 680px;margin: 0 auto; background: url(../images/circularimg.png) no-repeat center;}
.circle::after{position: absolute;left: 50px; top: 50px;content: '';width: 578px;height: 578px;border-radius: 100%;border: 1px solid #d8d8d8;}
.circle_wave{position: absolute;left: 0;top: 0;width: 680px; height: 680px;}
.circle_wave::after{position: absolute;content: "";left: 50px; top: 50px;width: 578px;height: 578px;border: 1px solid #dfdfdf; animation: wave 1.8s; position: absolute; border-radius: 50%; z-index: 0;}
.circle-c{width: 680px;height: 680px;}
.pentagon{position: absolute;width: 100%; height: 100%; margin: 0; padding: 0;}
.pentagon-icon{position: absolute; cursor: pointer; z-index: 9;top: 0; left: 294px;}
.pentagon_wave{position: absolute; left: 0; top: 0; width: 100%; height: 100%;}
.pentagon_wave::after{content: ""; width: 100%; height: 100%; border: 1px solid #dfdfdf; animation: pentagon_wave 2s; position: absolute; border-radius: 50%; z-index: 0;}
.pentagon_wave::before{content: ""; width: 100%; height: 100%; border: 1px solid #dfdfdf; animation: pentagon_wave 2s 0.2s; position: absolute; border-radius: 50%; z-index: 0;}
.pentagon-icon:nth-child(2){left: 294px; top: 0;}
.pentagon-icon:nth-child(3){top: 280px; right: 0;left: auto;}
.pentagon-icon:nth-child(4){top: auto;left: 294px;bottom: 0;}
.pentagon-icon:nth-child(5){left: 0;top: 280px;}

.pentagon-icon .icon{border-radius: 50%; border: 1px solid #d2d2d2; background-color: #fff; padding: 27px; transition: all 1s; display: block;}
.pentagon-icon.on .icon{transform: scale(0.8); border: 1px solid #eee; box-shadow: 0px 0px 0px 15px #eee;}
.circle-des{width: 610px; margin-left: 60px;}
.circle-tab{display: none;}
.circle-tab.on{display: block;}
.circle-des .h3{font-size: 30px; line-height: 40px; margin-bottom: 30px; font-weight: 500;}
.circle-des .p{font-size: 18px; line-height: 40px; color: #999999;}
.circle-des .a{font-size: 18px; height: 50px; line-height: 50px; color: #4cbbb4; border: 1px solid; width: 180px; margin: 20px 0; display: inline-block; text-align: center; transition: all 500ms;}
.circle-des .a.a1{color: #999; border: 1px solid #c9c9c9; margin: 20px 50px 20px 0;}
@keyframes wave{
    0%{transform: scale(1);opacity: 1;}
    100%{transform: scale(1.2);opacity: 0;}
}
@keyframes pentagon_wave{
    0%{transform: scale(1);opacity: 1;}
    50%{transform: scale(1.3);opacity: 0.8;}
    100%{transform: scale(1.6);opacity: 0;}
}
.m6{padding: 70px 0 30px;background: #f5f5f5;}
.m6 .zhd{margin: 0;}
.m6 ul{margin: 0 0 0 -36px;}
.m6 li{float: left;width: 308px;height: 400px;margin: 40px 0 0 36px;background: #fff;}
.m6 li .pic{padding: 20px 20px 0; width: 268px;height: 215px;}
.m6 li .pic img{display: block;width: 268px;height: 215px;}
.m6 li h4{position: relative;height: 60px;margin: 0 0 10px;text-align: center;font-size:24px;font-weight:normal;line-height: 60px;}
.m6 li h4::after{position: absolute;content: '';width: 70px;height: 2px;background: #4cbbb4;left: 50%;bottom: -2px;margin: 0 0 0 -35px;}
.m6 li p{font-size: 18px;line-height: 30px;color: #999;text-align: center;}

.m7{height: 565px;background: #f5f5f5 url("../images/m7.jpg") right top no-repeat;}
.m7 .intro{width: 620px;height: 565px;display: table-cell;vertical-align: middle; text-align: center;}
.m7 .intro h3{margin-bottom: 10px;font-size: 30px;font-weight: normal;line-height: 50px;}
.m7 .intro p{margin-bottom: 35px;font-size: 24px;color: #999;line-height: 30px;}
.m7 .intro .zbtn{margin: 0 auto;}