html,body {
    min-height: 100%;
}
body {
    background:  url('../images/m_casim_01.png') no-repeat center;
    background-size: cover;
}
.mcasim-content{
    width:75%;
    margin:0 auto;
    background: rgba(0, 0, 0, 0.45);
    border-radius: 5px;
    padding: 0.4rem;
    font-size: 0.26rem;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 1.7em;
}
.mcasim-content-logo{
    width:2.54rem;
    height:0.98rem;
    margin:0 auto 0.4rem auto;
}
.mcasim-content-logo img,.mcasim-img img,.mcasim-main-img img{
    width:100%;
}
.mcasim-content-text{
    text-indent: 2em;
}
.mcasim-img{
    width:2.4rem;
    height:0.82rem;
    margin:0 auto;
}
.mcasim_main{
    width:90%;
    padding:0.4rem 5%;
    background:rgba(255, 255, 255, 0.51);
    font-size: 0.24rem;
    font-weight: 400;
    color: #333333;
}
.mcasim_main .main-title{
    width:100%;
    height: 0.68rem;
    line-height:0.68rem;
    background: #2569AD;
    border-radius:20px;
    font-size: 0.26rem;
    text-align:center;
    color:#fff;
    margin:0.2rem auto;
}
.mcasim_main .main-text{
    width:90%;
    margin:0 auto;
    line-height:0.4rem;
}
.mcasim-main-img{
    width:100%;
}