html,body {
    background-color: #ffffff;
    height: 100%;
}

.bgc {
    background-color: #f7f7f7;
}

.activity_div {
    padding: 0 15%;
}

.activity_container_div {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
}

.left_div {
    width: 150px;
    background-color: #ffffff;
    padding: 10px 20px;
    margin-right: 10px;
    -moz-box-shadow:2px 2px 5px rgba(0,0,0,0.1);
    -webkit-box-shadow:2px 2px 5px rgba(0,0,0,0.1);
    box-shadow:2px 2px 5px rgba(0,0,0,0.1);
    cursor: pointer;
}

.activity_nav_title_back_div {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed #e5e5e5;
}

.activity_nav_title_div {
    color: #000000;
    font-size: 16px;
    font-weight: bold;
}

.activity_nav_indicator_div {
    margin-left: 5px;
}

.activity_class_ul {
    padding-left: 20px;
    margin: 10px 0;
}

.activity_class_ul li{
    margin-top: 10px;
    list-style: none;
}

.service_item_div {
    display: flex;
    align-items: center;
    margin-top: 20px;
    font-size: 13px;
    color: #333333;
    letter-spacing: 2px;
    width: 120px;
}

.activity_class_ul li .service_item_dot {
    background-color:#fA742B;
    width: 3px;
    height: 3px;
    margin-right: 7px;
}

.click_pc {
    color: #FA742B;
}

.right_div {
    background-color: #ffffff;
    width: 100%;
    height: 100%;
    padding: 15px;
}

.activity_content_top_div {
    background-color: #ffffff;
}

.activity_content_top_ol {
    background-color: #ffffff;
}

.activity_content_middle_div {
    /*border: 1px solid #e5e5e5;*/
}

.activity_item_div {
    margin-top: 15px;
    border: 1px solid #f7f7f7;
}

.pic_back_div {
    padding: 10px;
}

.activity_pic_img {
    width: 100%;
    height: auto;
}

.activity_brief_div {
    background-color: #f4f4f4;
    color: #515151;
    padding: 10px;
    font-size: 13px;
}

.activity_title_div {
    color: #3e3e3e;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 5px;
}

.activity_content_bottom_div {
    margin-top: 20px;
    text-align: center;
}