.dsb{height: 24.4rem; background:url(../images/ddt.jpg) no-repeat 0 0; background-size: contain; margin-top:0.5rem;}
.dsb-header{width: 69.53125%; margin: 1rem auto 0.4rem;}
.dsb-header img{width: 100%;}
.dsb-letter-title{width: 69.53125%; overflow: hidden; font-size: 1rem; color: #fff; margin: 0 auto;}
.dsb-letter-title i,.dsb-letter-title span{float: left;}

.dsb-letter-title i{width: 10%;height: 0.4rem; border-top: 1px #fff solid; border-bottom: 0.2rem #fff solid; margin-top: 0.4rem;}
.dsb-letter-title span{width: 80%; text-align: center;}

.allW90{width: 90%; margin: 0 auto; overflow: hidden;}
.dsb-main{ margin-top: 0.8rem;}
.dsb-main-title h1{font-size: 1rem; font-weight: bold; color: #fff; padding-bottom: 0.5rem; border-bottom: 1px rgba(255,255,255,0.3) solid;
	box-sizing: border-box; padding-left: 0.25rem; white-space: nowrap;}
.dsb-main-title h1 span{font-size: 0.7rem; font-family: Futura, '微软雅黑', Arial, sans-serif; font-weight: normal;
	padding-left: 0.4rem;}

.dsb-main-list{box-sizing: border-box;padding-left: 1.2rem; margin-top: 0.7rem; margin-bottom:0.2rem;}
.dsb-main-list li{float: left; width: 23.5%; margin-right: 2%; text-align: center; line-height: 2.6rem; border-radius: 0.35rem;
	background-color: rgba(255,255,255,0.3); }
.dsb-main-list li:last-child{margin-right:0;}

.dsb a{color: #fff;}
.dsb-main-list li a{display: block;width: 100%; height: 100%; background: url(../images/kbj.png) no-repeat 0 0; background-size: cover;}