/*part13*/
.part13{min-width: 1200px ;background-position: center top;height: 500px;margin-top: -60px;}
.part13_main{width: 1200px;margin: 0 auto;position: relative;margin-top: 60px;height: 100%;}
/**/

.kcdgang{width: 385px;height: 220px;}
.btn_ck_dg{cursor: pointer;width: 260px;height: 58px;line-height: 58px;background: #fff;font-weight: 900;box-shadow: 3px 3px 5px rgba(0,0,0,0.5);margin:0 auto;border-radius: 29px;margin-top: 20px;}
.bottom_last .kcdgang{margin: 0 20px 20px 0;border-radius: 3px;}
.bottom_last .kcdgang:nth-child(3n){margin-right: 0;}