*{
    padding: 0;
    margin: 0;
}
.main-all{
    position: relative;
    /* width: 1920px; */
    width: 100%;
    min-width: 1000px;
}
@media screen and (max-width: 1000px) {
    .main-all{
        position: relative;
        width: 100%;
        min-width: 1600px;
    }
    iframe{
        width: 1600px; 
        margin: 0 auto;
    }
}
.main-banner{
    width: 100%;
    height: 1090px;
    margin: 0 auto;
    background: url(../img/banner.jpg) no-repeat center top;
}


.main-con{
    width: 100%;
    /* height: 1750px; */
    height: 1400px;
    margin: 0 auto;
    background: url(../img/bgm.jpg) no-repeat center top;
}

.main-nav{
    width: 1000px;
    /* width: 1161px; */
    height: 44px;
    background-color: #fff;
    margin: 0 auto;
}
.main-nav ul{
    list-style: none;
    width: 100%;
    height: 44px;
    margin: 0 auto;
}
.main-nav ul li{
    float: left;
    width: 142px;
    height: 44px;
    background-color: #8e1200;
    text-align: center;
    font-family: 宋体;
    font-size: 20px;
    line-height: 44px;
    color: azure;
    cursor: pointer;
}
a{
    color: azure;
    text-decoration: none;
}
.main-nav ul li:hover{
    text-decoration: underline;
}
.main-nav ul li.active{
    background-color: #dbb866;
    color: #8e1200;
}
.main-nav ul li+li{
    margin-left: 1px;
}


.main-bottom{
    width: 100%;
    min-width: 1000px;
    /* height: 1660px; */
    height: 1200px;
    margin: 0 auto;
    padding-top: 100px;
    /* background-color: bisque; */
}
.main-bottom>div{
    display: none;
}
.main-bottom .block{
    display: block;
}
.main-bottom>div{
    width: 800px;
    height: 1200px;
    margin: 0 auto;
    /* background-color: #ccc; */
}
.main-bottom>div .one-msg{
    height: 1200px;
    margin: 0 auto;
    text-align: center;
}
.main-bottom>div .one-msg .msg-top img{
    height: 1000px; 
    vertical-align: middle;
}
.main-bottom>div .one-msg .msg-bottom{
    width: 600px;
    height: 110px;
    margin: 0 auto;
    background: url(../img/text.png) center top;
    text-align:  center;
    font-family: 微软雅黑;
    font-size: 18px;
    line-height: 110px;
    color: #fff;
    padding-bottom: 20px;
}