*{box-sizing: border-box;}
.banner{width: 100%;min-width: 1280px;}
.banner img{width: 100%;}
.kt{background: #f9f9f9;}
.kt{display: block;}
area{outline: none;border: none;}
.swiper-container{width: 100%;}
.c{display: block;margin: 0 auto;width: 1280px;text-align: center;}
.lc_1_bg{width: 100%;height: 743px;background: url(../images/bg1.png) no-repeat center top;background-size: cover;}
.lc_3_bg{width: 100%;height: 904px;background: url(../images/bg2.png) no-repeat center top;background-size: cover;}
.header{width: 100%;}
.headerC{width: 1280px;margin: 0 auto;}
.logo{padding: 25px;float: left;}
.nav a{text-align: center;background: url(../images/nav_bg.png) no-repeat;width: 145px;height: 45px;line-height: 45px;display: inline-block;font-size: 26px;color: #fff;font-weight: bold;margin-right: 60px;}
.nav{float: right;padding-top: 27px;}
.headerC:after{clear: both;display: block;content: "";}
.footer{text-align: center;color: #fff;line-height: 65px;background: #9a1f23;font-size: 12px;min-width: 1280px;}
.lc_3_bg{width: 100%;height: 883px;background: url(../images/bg1.png) no-repeat center top;background-size: cover;}