.sub-content {
    box-sizing: border-box;
    min-height: 644px;
    padding: 12px 24px 24px;
    background: #fff;
}
.sub-hd {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sub-hd > .title {
    line-height: 45px;
    color: #dd371d;
    font-size: 24px;
    font-weight: 700;
    border-bottom: 3px solid #dd371d;
}
@media (max-width: 1200px) {
    .sub-content {
        min-height: auto;
    }
}