@media only screen and (max-width: 640px) {
    .am-slider-default .am-direction-nav a::before {
        height: 36px;
        background-color: none;
    }

    .pad_left {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .pad_right {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .pad1 {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .footer {
        background-color: #f2f2f2;
        background-image: none;
        line-height: 35px;
    }

    .f_3 {
        height: auto;
        line-height: 30px;
    }

    .s_column_pad {
        padding: 10px 0px;
    }

    .s_column_pad strong {
        font-size: 2rem;
    }
}

.now_site {
    font-size: 12px;
    color: #231815;
}

@media(max-width:768px) {
    .xi_guan {
        height: auto;
        padding: 30px 20px;
        width: calc(100% - 40px);
    }

    .xi_guan span img {
        margin: 0px 10px;
    }

    .xi_guan_content {
        color: #e8e8e8;
    }

    .xi_guan span {
        display: block;
        padding-top: 15px;
    }

    .xi_box_1 {
        width: calc(100% - 40px);
        padding: 30px 20px 30px 20px;
        background-position: center center;
    }

    .xi_box_1_div_title {
        font-size: 16px;
        font-weight: bold;
        margin: 15px 0px 10px 0px;
    }

    .xi_li_red {
        float: left;
        width: 8px;
        height: 8px;
        margin-top: 6px;
        margin-right: 5px;
        background-color: #D6002A;
    }

    .xi_li_info {
        float: left;
        width: calc(100% - 13px);
        color: #333333;
        margin-bottom: 13px;
        line-height: 22px;
    }

    .xi_box_2 {
        padding: 10px 20px 30px 20px;
    }

    .xi_box_2 li {
        margin-bottom: 10px;
        color: #7f7f7f;
    }

    .xi_box_3 {
        padding: 10px 20px 30px 20px;
    }

    .xi_box_1_div {
        margin-bottom: 10px;
        overflow: hidden;
    }

    .xi_box_4 {
        margin-bottom: 20px;
        padding: 20px 20px 10px 20px;
    }

    .xi_guan_content {
        text-align: left;
        margin-top: 20px;
    }

    .content_style {
        color: #666666;
        text-align: center;
        padding: 0px 20px;
        margin-bottom: 20px;
    }

    .content_img_div {
        width: 100%;
        margin: 30px 0px 10px 0px;
    }
}