*{
    padding: 0;
    margin: 0;
}
img{
    vertical-align: middle;
}
@media screen and (min-width:751px) {
    .retrieve{
        width: 1000px;
        margin: auto;
        margin-top: 50px;
        display: flex;
    
    }
    .retrieve-left{
        width: 541px;
    }
    .retrieve-left img{
        width: 100%;
    }
    .retrieve-right{
        width: 459px;
    }
}

@media screen and (max-width:750px) {
    .retrieve-left{
        display: none;
    }
    
    .right-retrieve{
        margin-top: 20px !important;
    }
}

.right-retrieve{
    margin: 0 10px;
    padding: 10px 10px 20px 10px;
    height: 378px;
    border: 1px solid #ccc;
    font-size: 14px;
}
.right-retrieve p{
    padding: 5px 0;
}
.retrieve-title{
    text-align: center;
    font-size: 18px;
}
.retrieve-title2{
    text-align: center;
    padding-bottom: 10px;
    margin-bottom: 5px;
    border-bottom: 1px solid #aaa;
}
.right-retrieve p input{
    width: 99%;
    height: 40px;
    text-indent: 10px;
    outline: none;
    border: 1px solid #aaa;
}

.right-retrieve div{
    margin: 0 10px;
    padding: 15px 0;
    margin-top: 10px;
    background-color: #302e2e;
    color: #fff;
    text-align: center;
}
.retrieve .retrieve-cont{
    color: #999;
}


.explain{
    margin: 10px 10px 0 10px;
    padding: 20px 10px;
    border: 1px solid #ccc;
    font-size: 14px;
}
.explain p{
    line-height: 26px;
    color: #444;
}