.brief-introduction {
    background-color: #fff;
}

.meum .meum-info {
    border: 20px solid #fff;
    background-image: linear-gradient(to right bottom, #2e70eb,#4fe0f3 );
}

    .meum .meum-info:nth-child(2) {
        border-left: none;
        border-right: none;
    }

.meum-text {
    height: 100px;
    color: #fff;
    margin: 15% 20%;
}
/*修改展示模块*/
.portal .container {
    overflow: hidden;
}

.portal img {
    width: 250px;
    max-width: 1000px;
    max-height: 1000px;
}

.portal .tab .text-center {
    height: 250px;
}
/*//修改展示模块*/
@media all and (max-width:768px) {
    .meum .meum-info {
        border-bottom: none;
    }

    .meum .meum-info:nth-child(2) {
        border-left: 20px solid #fff;
        border-right: 20px solid #fff;
    }

    /*.portal img {
        width: 100%;
    }*/
    .portal .tab .text-center {
        overflow: hidden;
    }
}