.rk img{width: 100%;}
    .rk1{overflow: hidden;background: #fff;padding: 2rem 15px;border-top: solid 1px #dadada;margin-bottom:2rem;}
    .rk1 img{width:68%;margin: 0 auto;display: block;margin-bottom: 0.7rem;}
    .rk1 h1{font-size: 2.2rem;font-weight: bold;color: #1bbbbb;text-align: center;}
    .rk1 h2{font-size: 1.8rem;text-align: center;color: #666;}
    .rk1 p{font-size: 1.4rem;margin-bottom: 1.5rem;color: #666;text-align: center;}
    .rk1_1{float: left;}
    .rk1_2{float: right;}
    .rk1_1a{width:58%;padding:0 1%;}
	
    .rk2{overflow: hidden;background: #fff;padding: 2rem 15px;margin-top: 2rem;margin-bottom: 2rem;}
    .rk2_1 {overflow: hidden;border-bottom: solid 1px #4bb371;padding-right:10%;}
    .rk2_1 li{float: left;}
    .rk2_1 li h1{font-size: 2.5rem;font-weight: bold;color:#1bbbbb;padding-left: 5px;}
    .rk2_2{margin: 2rem 0;font-size: 1.6rem;color: #666;text-indent: 1.6rem;}
    .rk2_2 a{color: #e80303;}
    .rk2_4{overflow: hidden;margin: 2rem 0 1rem;border-bottom: solid 1px #dadada;padding-bottom: 2rem;}
    .rk2_4_1{float: left;width: 32%;}
    .rk2_4_2{float: right;width: 65%;}
    .rk2_4_2 h1{font-size: 1.6rem;font-weight: bold;background: #5ca2d1;border-radius: 15px;color: #fff;text-align: center;}
    .rk2_4_2 p{font-size: 1.6rem;}
    .rk2_4_2 p a{color: #e80303;}
    .rk2_6{text-align: center;}
    .rk2_6 h1{font-size:2.2rem;font-weight: bold;color: #333;margin: 3rem 0 1.5rem;}
    .rk2_6 h1 span{font-size: 1.6rem;color: #666;font-weight: bold;}
    .rk2_6 ul{overflow: hidden;color: #fff;}
    .rk2_6 ul li{float: left;width: 32%;background: #5a99c2;margin-left: 2%;padding: 1rem 0;color:#fff;}
    .rk2_6 ul li h2{font-size: 1.8rem;font-weight: bold;}
    .rk2_6 ul li h3{font-size: 1.5rem;}
    .rk3{overflow: hidden;background: #fff;padding: 0rem 15px;margin-top: 0rem;margin-bottom: 0rem;}
    .rk3_2 ul{margin: 2rem 0;overflow: hidden;}
    .rk3_2 ul li{font-size: 1.2rem;float: left;width: 33%;text-align: center;background: #eee;border-right:solid 1px #fff;padding: 0.6rem 0;color: #666;}
    .rk3_2 ul li.on{background:#1bbbbb;color: #fff;}
    .rk4{overflow: hidden;background: #fff;padding: 2rem 15px 0;margin-top: 2rem;border-bottom: solid 1px #eaeaea;}
    .rk4_2{overflow: hidden;padding: 2rem 0 0;}
    .rk4_2_1{float: left;width: 48.5%;}
    .rk4_2_1a{margin-left: 3%;}
    .rk4_2_1 p{font-size: 1.4rem;text-align: center;width: 100%;background: #50a1ca;border-radius: 15px;margin: 0.8rem 0 2rem;color: #fff;padding:0.3rem 0;}
    .rk5{overflow: hidden;background: #fff;padding: 2rem 15px 0;margin-top: 0;text-align: center;}
    .rk5 h1{font-size:2.8rem;font-weight: bold;color: #333;}
    .rk5 h1 span{font-size: 1.6rem;color: #666;font-weight: bold;}
    
    .rk6{overflow: hidden;background: #fff;padding: 0 15px 2rem;margin-top: 0;}
.rk2_3,.rk4_2_1_1{position:relative;}
.vid{position:absolute;top:0;left:0;background:black;z-index:;}