.clear{clear:both;}
.un {
    -webkit-transition: all .3s ease-out;
    -moz-transition: all .3s ease-out;
    -ms-transition: all .3s ease-out;
    -o-transition: all .3s ease-out;
    transition: all .3s ease-out;
}
.maintain_box001{padding-top: 180px;background: url(../../../theme/img/maintain_bk.png) no-repeat center; background-position-y: 26px;margin-bottom: 97px;}
.maintain_box001 p{text-align: center;font-size: 16px; color: #444444;line-height: 40px;}
.maintain_box002{width: 1200px;overflow: hidden;margin-bottom: 277px;}
.maintain_box002 .maintain_box002_001{padding-top: 117px;width: 1338px;}
.maintain_box002 .maintain_box002_001 dl{}
.maintain_box002 .maintain_box002_001 dl dd{width: 253px;height: 229px;background-color: #F2F5FC;padding: 27px;float: left;margin-right: 139px;position: relative;padding-top: 99px;}
.maintain_box002 .maintain_box002_001 dl dd h3{text-align: center;font-size: 20px;color: #444444;margin-bottom: 15px;}
.maintain_box002 .maintain_box002_001 dl dd p{text-align: center;font-size: 16px;color: #444444;line-height: 30px;}

.maintain_box002 .maintain_box002_001 dl dd .type_img,.maintain_box002 .maintain_box002_002 dl dd .type_img{background: url(../../../theme/img/maintain_bk.png) no-repeat center; width: 140px; height: 140px;background-position-y: -484px;background-position-x: 0px;background-size: 100%;margin: 0px auto;position: absolute;top: -70px;left: 0;right: 0;}
.maintain_box002 .maintain_box002_001 dl dd .ioc002{background-position-y: -841px;}
.maintain_box002 .maintain_box002_001 dl dd .ioc003{background-position-y: -1199px;}
.maintain_box002 .maintain_box002_002{ width: 755px; margin: 0px auto; margin-top: 160px;}
.maintain_box002 .maintain_box002_002 dl{}
.maintain_box002 .maintain_box002_002 dl dd{width: 253px;height: 301px;background-color: #F2F5FC;padding: 27px;float: left;position: relative;padding-top: 99px;}
.maintain_box002 .maintain_box002_002 dl dd h3{text-align: center;font-size: 20px;color: #444444;margin-bottom: 15px;}
.maintain_box002 .maintain_box002_002 dl dd p{text-align: center;font-size: 16px;color: #444444;line-height: 30px;}
.fl{float: left !important;}
.fr{float: right !important;}
.maintain_box002 .maintain_box002_002 dl dd .ioc004{background-position-y: -1557px;}
.maintain_box002 .maintain_box002_002 dl dd .ioc005{background-position-y: -1913px;}