* {
    padding: 0;
    margin: 0;
}

body{
    font-size: 16px;
}
.logo{
    width: 800px;
    text-align: center;
    margin: 20px 0 50px 0;
}

.logo h4{
    text-align: center;
    cursor: pointer;
    font-size: 35px;
    letter-spacing: 2px;
     margin: 20px 0 5px 0;
}
.logo h4:hover{
    color: #ce8460;
}

.logo p{
    width: 800px;
    text-align: center;
    font-size: 25px;
    letter-spacing: 10px;
     margin: 20px 0 5px 0;
}

.banquan{
    background: #c0c0c0;
    height:40px;
    width: 100%;
    color: #000000;
    padding: 10px 0;
    text-align: center;
}

.show{
    width: 840px;
    margin: auto;
}
.show h3{
    display: flex;
    align-items: center;
    color:#000;
    font-size: 35px;
}
.show h3::before{
    content: '';
    display: inline-block;
    width: 5px;
    height: 30px;
    margin-right: 10px;
    background: #000;
}
.show p{
    line-height: 1.8;
    margin: 20px 0;
    text-indent: 2em;
     font-size: 22px;
     text-align: center;
}
.show img{
    width: 840px;
     align-items: center;
     padding: 20px 0;
}

.nav{
    width: 100%;
    border-top: 1px solid #cccccc;
    border-bottom: 1px solid #cccccc;
    padding: 20px 0;
}

.nav ul{
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

.nav ul li{
    list-style: none;
    margin: 0 20px;
}
.nav ul li a{
    color: #333;
    text-decoration: none;
}

.nav ul li a:hover{
    /*color:#4169e1;*/
    color: #ff9912;
}


.banner{
    width: 820px;
    margin: 20px auto;
}
.banner img{
    width: 100%;
}
.about{
    width: 820px;
    margin: auto;
}
.about h3{
    display: flex;
    align-items: center;
    color: #eec;
    font-size: 24px;
}
.about h3::before{
    content: '';
    display: inline-block;
    width: 5px;
    height: 30px;
    margin-right: 10px;
    background: #eec;
}
.about p{
    line-height: 1.8;
    margin: 20px 0;
    text-indent: 2em;
}
.video{
    margin: 20px 0;
}

.wrapper{

position:relative;

min-height:100vh;

padding-bottom:40px;

box-sizing:border-box;

}

.footer{

position:absolute;

left:0;

bottom:0;

width:100%;

height:40px;
background: #c0c0c0;
    color: #000000;
    padding: 10px 0;
    text-align: center;
}