.section_c {
    width: 1000px;
    margin: 0 auto;
}

.section_c_c {
    width: 900px;
    margin: 0 auto 170px;
}

.nav {
    position: absolute;
    height: 60px;
    padding-top: 15px;
    width: 100%;
}


.nav a {
    display: flex;
    align-items: center;
}

img.logo {
    width: 48px;
    margin-right: 10px;
}

span.name {
    color: #ffffff;
}

.content {
    display: block;
}

.content_l {
    margin-right: 139px;
}

.content_l img {
    width: 290px;
}

h2.tip_title {
    font-size: 36px;
    font-weight: bold;
    color: #212121;
}

ul.ul_tip {
    padding: 0px 15px;
    margin-top: 50px;
}

li.tip_item {
    margin-bottom: 10px;
    font-size: 26px;
    color: #1D1D1D;
    list-style: disc !important;
}

.download {
    margin-top: 90px;
    display: flex;
    width: 148px;
    flex-direction: column;
    align-items: center;
}

.qr_code {
    width: 148px;
}

.download_p {
    margin-top: 15px;
}

img.app_show {
    border-radius: 32px;
}

.footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #212121;
    padding: 50px 0px;
}

ul.footer_items {
    display: flex;
    align-items: center;
}

li.footer_item_a a {
    font-size: 20px;
    color: #ffffff;
}

li.footer_item_a a:hover {
    color: #999;
}

span.sep {
    padding: 10px;
    color: #ffffff;
}

.copyright {
    font-size: 20px;
    color: #ffffff;
    margin-top: 10px;
}

.section_top {
    display: flex;

}

.section_top_bg {
    background: url("../img/neibo_web_bg_2.png") no-repeat;
    background-size: cover;
    width: 100%;
    padding-top: 90px;
    padding-bottom: 50px;
}

.section_title {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin: 90px 0px;
}

.title_row {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 15px;
}

p.title {
    font-size: 36px;
    color: #1D1D1D;
}

p.subtitle {
    color: #BBBBBB;
    font-size: 24px;
    margin-top: 10px;
}

p.about_content {
    font-size: 18px;
    color: #212121;
    line-height: 1.8;
}

.row_head {
    width: 280px;
    margin-bottom: 30px;
}

p.row_title {
    font-size: 24px;
    color: #212121;
}

p.row_subtitle {
    color: #BBBBBB;
    font-size: 18px;
    margin-top: 8px;
}

p.row_val {
    color: #868686;
    font-size: 18px;
}

ul.media {
    display: flex;
    justify-content: center;
}

ul.media li {
    background-color: #ffffff;
    position: relative;
}

ul.media li div.media_wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-right: 30px;
}

ul.media li:hover {
    cursor: pointer;
}

p.media_title {
    font-size: 16px;
    color: #a2a2a2;
}

ul.media li:hover p.media_title {
    font-size: 16px;
    color: #212121;
}

ul.media li img {
    width: 34px;
    height: 28px;
    object-fit: contain;
}

ul.media li:hover img.wechat {
    content: url("../img/media_official_account_hover.png");
}

ul.media li:hover img.xhs {
    content: url("../img/media_xhs_hover.png");
}

ul.media li:hover img.bilibili {
    content: url("../img/media_bilibili_hover.png");
}

ul.media li:hover img.douyin {
    content: url("../img/media_douyin_hover.png");
}

ul.media li:hover img.weibo {
    content: url("../img/media_weibo_hover.png");
}

ul.media li:hover img.zhihu {
    content: url("../img/media_zhihu_hover.png");
}

.qrcode_hover {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    width: 200px;
    padding: 10px 10px;
    border-radius: 10px;
    display: none;
    justify-content: space-between;
}

.media_wx_li:hover .qrcode_wx {
    display: flex;
}

.media_dy_li:hover .qrcode_douyin {
    display: flex;
}

.media_xhs_li:hover .qrcode_xhs {
    display: flex;
}


.qrcode_hover .right_c img {
    display: block;
    width: 72px;
    height: 72px;
}

.qrcode_hover .left_c {
    margin-right: 20px;
}

p.message {
    color: #212121;
    font-size: 12px;
    line-height: 1.5;
    margin-top: 5px;
}

.qrcode_wx {
    background-color: #FFEFDF;
}

.qrcode_douyin {
    background-color: #7E56AF;
}

.qrcode_douyin p {
    color: #ffffff;
    font-size: 12px;
}

.qrcode_douyin p.douyin_open {
    margin-top: 10px;
}

.qrcode_hover.qrcode_xhs {
    background-color: #FE3C57;
}

.qrcode_xhs p {
    color: #ffffff;
    font-size: 12px;
}

.qrcode_xhs p.xhs_scan {
    margin-top: 10px;
}