@media screen and (max-width: 768px){

    .header {
        height: 12vw;
    }
    .header_logo img {
        width: 25vw;
    }
    .yingcheng {
        padding-top: 14vw;
    }
    .yingcheng .container {
        padding: 0;
        margin: 0;
    }
    .yingcheng_fl {
        width: 100%;
    }
    .yingcheng_title {
        height: 10vw;
        line-height: 10vw;
        padding-left: 4%;
        font-size: 3.74vw;
    }
    .hot {
        display: none;
    }
    .user {
        display: none;
    }
    .yingcheng_fr {
        width: 100%;
    }
    .yingcheng_item {
        padding: 3%;
    }
    .yingcheng_topic {
        padding: 3% 5% 3% 3%;
    }
    .slot {
        display: none;
    }
    .author {
        height: 10vw;
    }
    .author img {
        width: 8vw;
        height: 8vw;
        object-fit: cover;
    }
    .author .info {
        margin-left: 10vw;
    }
    .yingcheng_talk .inner {
        height: 60vw;
    }
    .yingcheng_talk {
        padding-left: 3vw;
        padding-right: 3vw;
        font-size: 4.2vw;
        line-height: 1.5;
    }
    .yingcheng_talk .inner:before {
        height: 35vw;
    }
    .yingcheng_talk .content a i {
        font-size: 4.8vw;
    }
    .yingcheng_talk .content p {
        margin-bottom: 3%;
    }
    .yingcheng_foot {
        font-size: 3.74vw;
        padding: 0 3vw;
    }
    .page_common a {
        margin:0 4px 0;
        display: none;
        font-size: 3.4vw;
    }
    .page_common a.active {
        display: block;
    }
    .page_common a.pagebt {
        display: block;
        padding: 4px 9px;
    }
    .page_common {
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 6% 0;
    }
    .footer {
        margin-bottom: 10px;
    }
    .footer_item {
        font-size: 3.4vw;
    }
    .footer_item a{
        font-size: 3.4vw;
    }
    .yingcheng_content {
        padding: 3%;
        margin-bottom: 10px;
    }
    .post_whcat {
        margin-top: 5%;
    }
    .post_content iframe {
    height: 53vw;
}
}