.module01{width: 100%;height: 22.92rem;background: url(../../images/img/jdstep/bg_01.jpg) no-repeat;background-size: 100% 100%;position: relative;}
.module01 a{display: block;width: 6.34rem;height: 0.73rem;position: absolute;top: 0.7rem;left: 50%;margin-left: -3.17rem;}
.module02{width: 100%;height: 13.8rem;background: url(../../images/img/jdstep/bg_02.jpg) no-repeat;background-size: 100% 100%;}
.module03{width: 100%;height: 14rem;background: url(../../images/img/jdstep/bg_03.jpg) no-repeat;background-size: 100% 100%;}
.module04{width: 100%;height: 6.63rem;background: url(../../images/img/jdstep/bg_04.jpg) no-repeat;background-size: 100% 100%;position: relative;}
.module04 a{display: block;width: 5.94rem;height: 0.73rem;position: absolute;bottom: 0.58rem;left: 50%;margin-left: -2.97rem;}
.wrapScoller{padding-bottom: 0;padding-top: 0;}