.common-box {
    background: none;
}

.event {
    padding: 0 0 20px;
}

.event ul {
    padding: 10px 0;
    background: url(../images/line_w.png) repeat-y 0 0;
}

.event ul li {
    display: flex;
    align-items: flex-start;
    margin: 0 0 5px;
    color: #fff;
}

.event-li-time {
    order: 1;
    width: 100px;
    flex-shrink: 0;
    margin: 8px 0 0;
    padding: 0 0 2px 10px;
    font: 400 16px/30px '微软雅黑';
    background: url(../images/arrow_right.png) no-repeat right bottom/100px;
}


.event-li-title {
    order: 2;
    padding-left: 5px;
    font: 400 16px/30px '微软雅黑';
}


@media (min-width: 1200px) {
    .event {
        padding: 0 0 50px;
    }

    .event ul {
        padding: 20px;
        background: url(../images/line_w.png) repeat-y center 0;
    }

    .event ul li {
        display: flex;
        align-items: flex-start;
        justify-content: flex-end;
        padding: 0 50% 0 0;
        color: #fff;
        text-align: right;
    }

    .event ul li:nth-child(2n) {
        justify-content: flex-start;
        padding: 0 0 0 50%;
        text-align: left;
    }

    .event-li-time {
        order: 2;
        width: 135px;
        flex-shrink: 0;
        margin: 8px 0 0;
        padding: 0 20px 5px 0;
        font: 400 16px/30px '微软雅黑';
        text-align: right;
        background: url(../images/arrow_left.png) no-repeat right bottom;
    }

    .event ul li:nth-child(2n) .event-li-time {
        order: 1;
        margin: 8px 0 0;
        padding: 0 0 5px 20px;
        font: 400 16px/30px '微软雅黑';
        text-align: left;
        background: url(../images/arrow_right.png) no-repeat 0 bottom;
    }

    .event-li-title {
        order: 1;
        padding-right: 10px;
        font: 400 16px/30px '微软雅黑';
    }

    .event ul li:nth-child(2n) .event-li-title {
        order: 2;
    }
}