.arc-arc {
    padding-bottom: 20px;
}

.arc-arc-left img {
    width: 100%;
}

.arc-arc-right {
    padding: 20px 0 0;
}

.arc-arc-title {
    margin-bottom: 15px;
    padding-bottom: 24px;
    background: url(../images/black_line.jpg) no-repeat 10px bottom/auto 20px;
}

.arc-arc-title img {
    width: 6rem;
}

.arc-arc-deatil {
    font: 400 14px/24px "微软雅黑";
    color: #000;
}

.arc-ul {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}

.arc-li {
    padding: 0 5px;
}

.arc-li i {
    display: block;
}

.arc-li i img {
    width: 100%;
}

.arc-arc .arc-li p {
    font: 400 14px/18px "微软雅黑";
    color: #000;
    text-align: left;
}

.arc-arc p {
    font: 400 14px/24px "微软雅黑";
    color: #000;
    text-align: justify;
}

.arc-arc p img {
    max-width: 100%;
}

@media (min-width: 1200px) {
    body .arc-arc {
        display: flex;
        justify-content: space-between;
        padding-bottom: 100px;
    }
    .arc-arc-left {
        position: relative;
        z-index: 10;
        width: 520px;
        padding: 8px 0 0 8px;
    }
    .arc-arc-left i {
        position: absolute;
        z-index: -1;
        left: 0;
        top: 0;
        width: 512px;
        height: 421px;
        background: #fff;
    }
    .arc-arc-right {
        width: 580px;
    }
    .arc-arc-title {
        margin-bottom: 15px;
        padding-bottom: 48px;
        background: url(../images/black_line.jpg) no-repeat 10px bottom;
    }
    .arc-arc-title img {
        width: auto;
    }
    .arc-ul {
        display: flex;
        justify-content: space-between;
        padding: 15px 0 30px;
    }
    .arc-li i {
        display: block;
    }
    .arc-li p {
        font: 400 14px/20px "微软雅黑";
        color: #000;
        text-align: left;
    }
    .arc-p {
        height: 180px;
        overflow: hidden;
        margin: 30px 0 60px;
        font: 400 16px/36px "微软雅黑";
        color: #000;
    }
    .arc-arc p {
        font: 400 16px/30px "微软雅黑";
    }
}