/*背景模糊*/
.bg{
    width:100%;
    height:100vh;
    position: relative;
    background: url("../images/background.jpg") ;
    background-size: cover;
    background-position: center center;
    z-index:1;
}
.bg:after{
    content: "";
    width:100%;
    height:100%;
    position: absolute;
    left:0;
    top:0;
    background: inherit;
    filter: blur(3px);
    z-index: 2;
}
.logo{
    position: absolute;
    z-index:11;
    top: 50px;
    left: 50px;
}
.drag{
    position: absolute;
    left:50%;
    top:40%;
    transform: translate(-50%,-50%);
    width:1400px;
    height:200px;
    text-align: center;
    z-index:11;
    background: url("../images/yunwen.png") repeat;
    background-size: cover;
    background-position: center center;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;    
}
.drag_content h1{
    width: 100%;
    height: 42px;
    font-size: 28px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #FFFFFF;
    line-height: 42px;
    text-align: center;
    margin-bottom: 20px;
}

.drag_content p{
    width:100%;
    height: 28px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 28px;
}
.bottom{
    position: absolute;
    width: 100%;
    height: 42px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 42px;
    text-shadow: 0px 2px 2px rgba(0,0,0,0.67);
    z-index:11;
    text-align: center;
    bottom: 20px;
    left: 0;
}
@media (max-width: 768px){
    .logo{
        
        width: 300px;
        height: auto;
    }
    .logo img{
        margin: 0 auto;
        width: 100%;
        height: 100%;
    }
    .drag{
        width: 90%;
        height: auto;
        top:50%;
        padding: 20px 0;
    }
    .drag_content{
        width: 95%;
    }
    .drag_content h1{
        height: auto;
        font-size: 17px;
    }
    .drag_content p{
        height: auto;
        font-size: 14px;
    }
    .bottom{
        height: auto;
        line-height: 42px;
    }
}