.arc-arc{}
.arc-arc-title{
    padding: 0 0 10px;
    font: 400 18px/24px '微软雅黑';
    color: #2f2f2f;
    text-align: center;
}
.arc-arc-content p{
    padding-bottom: 10px;
    font: 400 14px/24px '微软雅黑';
    color: #4c4c4c;
}
.arc-arc-content p img{
    width: 100%;
}
@media (min-width: 1200px) {
    .arc-arc{
        padding: 0 30px;
    }
    .arc-arc-title{
        padding: 0 0 20px;
        font: 400 24px/30px '微软雅黑';
    }
    .arc-arc-content{
        padding: 0 0 50px;
    }
    .arc-arc-content p{
        font: 400 16px/30px '微软雅黑';
    }
}