/*********************设置背景************************************/
.item-1 {
   /*background: url("../images/bg/home_bg.jpg") no-repeat center center;*/
    -webkit-background-size: cover;
    background-size: cover;
}

.item-2 {
    /*background: url("../images/bg/aboutPage_bg.jpg") no-repeat center center;*/
    -webkit-background-size: cover;
    background-size: cover;
}

.item-3 {
    /*background: url("../images/bg/aboutPage_bg.jpg") no-repeat center center;*/
    -webkit-background-size: cover;
    background-size: cover;
}

.item-4 {
    background: url("../images/bg/aboutPage_bg.jpg") no-repeat center center;
    -webkit-background-size: cover;
    background-size: cover;
}

.item-5 {
    background: url("../images/bg/aboutPage_bg.jpg") no-repeat center center;
    -webkit-background-size: cover;
    background-size: cover;
}

.item-6 {
    /*background: url("../images/bg/contact_bg.jpg") no-repeat center center;*/
    -webkit-background-size: cover;
    background-size: cover;
}

.guns {
    opacity: 1;
    width: 100%;
    height: 100%;
    /*background: url("../images/pure.jpg") no-repeat center center;*/
    -webkit-background-size: cover;
    background-size: cover;
    position: fixed;
    display: none;
}

/**********************设置背景End*****************************************/