*{
    margin: 0;
    padding: 0;
}
.header{
    width: 100%;
    height: 56px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0,0,0,.4);
    position: fixed;
    top: 0;
    z-index: 6;
}
.header .nav{
    width: 1200px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .nav .left{
    width: 100px;
    height: 100%;
}
.header .nav .left img{
    width: 100%;
    height: 100%;
}
.header .nav .right{
    width: 40%;
    height: 100%;
    list-style-type: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .nav .right>li{
    flex: 1;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.header .nav .right>li>a{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-sizing: border-box;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
}
.header .nav .right>li>a:hover{
    border-bottom:  1px solid rgb(255, 255, 255);
}

.banner{
    width: 100%;
    height: 100vh;
    background: url("../images/about.jpg");
    background-size: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
	position: relative;
}
.banner .box{
    width: 70%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0,0,0,.2);
    border-radius: 10px;
    color: #fff;
}
.banner .box h3{
    font-size: 75px;
    margin: 20px 0;
}
.banner .box p{
    margin: 5px 0;
    line-height: 1.33;
    font-size: 20px;
    text-align: justify;
}
.bottom{
    /*margin-top: 60px;*/
    height: 75px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #132032;
    color: #fff;
}
.tip{
	position: absolute;
	right: 14%;
	bottom: 5%;
	font-size: 60px;
	color: #fff;
	font-weight: bold;
}