/**
*在Position属性值为absolute的同时，
*如果有一级父对象（无论是父对象还是祖父对象，或者再高的辈分，一样）
*的Position属性值为Relative时，则上述的相对浏览器窗口定位将会变成相对父对象定位，
*这对精确定位是很有帮助的。
*/
*{
    margin: 0;
    padding: 0;
	list-style-type:none;
}
/*nav导航盒子*/
div.nav{
    width: 1423px;
    height:41px;
    line-height: 36px;
    text-align: center;
    font-size: 16px;
    position: relative;
    background: #96311C;
	margin:0 auto 0 auto;
}
/*nav-main*/
ul.nav-main{
    width: 1200px;
    height: 41px;
    list-style-type: none;
	margin:auto;
}
ul.nav-main span{
    display: inline-block;
    margin-left: 18px;
    width: 7px;
    height: 7px;
    background: url("down-icon.png")/*tpa=https://www.aieiri.org.cn/templets/default/img/down-icon.png*/ no-repeat;
}
/*图标向上旋转*/
.hover-up{
    transition-duration: .5s;
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
}
/*图标向下旋转*/
.hover-down{
    transition-duration: .5s;
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
}
/*导航条设置*/
ul.nav-main>li{
    width: 133px;
    height: 41px;
    display: block;
    float: left;
    background: #96311C;
    color: #fff;
    margin-right: 1px;
    cursor: pointer;
	margin:auto;
}
ul.nav-main>li>a{
	text-decoration: none;
	color: #fff;
}
ul.nav-main>li:hover{
    background: #780000;
}
/*隐藏盒子设置*/
div.hidden-box{
    width: 132px;
    border: 1px solid #96311C;
    border-top: 0;
    position: absolute;
    display:none;
	background:#96311C;
    top: 41px;
}
.hidden-box>ul{
    list-style-type: none;
    color: #fff;
    cursor: pointer;
}
.hidden-box>ul>li>a{
    text-decoration: none;
	color: #fff;
}
.hidden-box li:hover{
    background: #780000;
    color: #fff;
}

/*隐藏盒子位置设置*/
.hidden-loc-index{
    left: 281.5px;
}
.hidden-loc-us{
    left: 451.5px;
}
.hidden-loc-info{
    left: 621.5px;
}
.box04{
	left: 791.5px;
}