.content_k{ max-width:1920px; min-width: 1200px; margin: 0 auto;}
.jstywh51{ margin:0 auto; height: 1221px;max-width:1920px; min-width: 1200px; background: url(/static/cms/drrkaa/dasai/jstywh5/images/jstywh51.png) no-repeat center top; } 
.jstywh52{ margin:0 auto; height: 1729px; max-width:1920px; min-width: 1200px;background: url(/static/cms/drrkaa/dasai/jstywh5/images/jstywh52.png) no-repeat center top; } 
.jstywh53{ margin:0 auto; height: 1752px;max-width:1920px; min-width: 1200px; background: url(/static/cms/drrkaa/dasai/jstywh5/images/jstywh53.png) no-repeat center top; } 
.jstywh54{ margin:0 auto; height: 1205px;max-width:1920px; min-width: 1200px; background: url(/static/cms/drrkaa/dasai/jstywh5/images/jstywh54.png) no-repeat center top; } 

.jstywh55{ margin:0 auto; height: 250px;max-width:1920px; min-width: 1200px; background: url(/static/cms/drrkaa/dasai/jstywh5/images/jstywh55.png) no-repeat center top; } 


.jstywh53{ position: relative; }
.jstywh53 a{ width: 260px; height: 66px; line-height: 66px; display: block; }
.jstywh53 a.baomingbiao{ position: absolute; bottom: 5px; left: calc(50% - 130px);}