/**电脑**/

@media screen and (min-width:1930px) {}

@media screen and (min-width:1200px) {}


/**iPad、手机横向**/

@media screen and (min-width: 960px) and (max-width: 1199px) {}


/**iPad、手机竖向**/

@media screen and (min-width: 768px) and (max-width: 959px) {}


/**手机**/

@media only screen and (max-width: 767px) {
    #index .historical_themes .historical_themes_small_swiper ul,
    #index .forum_reports .slideTxtBox .bd .swiper_operation::before,
    #index .historical_themes .historical_themes_small_swiper::after,
    #public_header .contact_us {
        display: none;
    }
    .wrap_1200,
    .wrap_1625,
    .wrap_1020 {
        width: 95%;
    }
    #public_header .menu+div {
        position: absolute;
        top: 0;
        right: 0;
    }
    #public_header .header_logo {
        position: absolute;
        width: 50%;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
    #public_header .login {
        position: absolute;
        bottom: 24px;
        right: 0;
    }
    #public_header .login a {
        width: auto;
        font-size: 14px;
        padding: 5px 10px;
        line-height: normal;
        border-radius: 5px;
    }
    #public_nav_box .public_nav {
        width: 100%;
    }
    #public_nav_box .close_search {
        padding: 10px 0;
        justify-content: space-between;
    }
    #public_nav_box .close_search .close {
        padding: 0 3%;
        display: flex;
        align-items: center;
        width: 25px;
    }
    #public_nav_box .close_search .search {
        margin: 0;
    }
    #public_nav_box .close_search .search::before {
        background-size: 25px;
    }
    #public_nav_box .public_nav .nav {
        height: calc(100vh - 31px);
        width: 50%;
    }
    #public_nav_box .public_nav .nav::before {
        left: 50%;
    }
    #public_nav_box .public_nav dt {
        width: 100%;
    }
    #public_nav_box .public_nav dd {
        left: 50%;
        top: 51px;
    }
    #public_nav_box .public_nav a {
        padding: 15px;
        width: 100%;
        display: block;
    }
    #public_sub_nav {
        justify-content: space-around!important;
    }
    #public_sub_nav li {
        margin: 0;
    }
    #public_sub_nav li a {
        font-size: 12px;
    }
    #public_sub_banner h2 {
        font-size: 36px;
    }
    #public_footer {
        padding: 20px 0 15px;
    }
    #public_footer .footer_top {
        display: block;
        padding-bottom: 15px;
    }
    #public_footer .footer_top dl {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        margin: 10px 0;
    }
    #public_footer .footer_top dt,
    #public_footer .footer_top dd,
    #public_footer .footer_top dd:last-of-type {
        margin: 0 5% 0 0;
    }
    #public_footer .footer_middle {
        margin-top: 15px;
    }
    #public_footer .footer_logo {
        width: 35%;
    }
    #public_footer .beijing_forum {
        width: 60%;
    }
    #public_footer .beijing_forum dt {
        margin-bottom: 10px;
    }
    #public_footer .beijing_forum .subscription {
        margin-top: 10px;
    }
    #public_footer .beijing_forum .subscription a {
        width: 100%;
    }
    #public_footer .copy {
        margin-top: 30px;
    }
    #public_footer .footer_top dd {
        display: none;
    }
    .public_data_download_list li {
        display: block;
        padding: 10px;
    }
    .public_data_download_list li time {
        width: 25%;
    }
    .public_data_download_list li .detail {
        width: 72%;
        margin-left: 3%;
    }
    .public_data_download_list li .download {
        text-align: right;
        margin-top: 10px;
    }
    .public_data_download_list li .download a {
        display: inline-block;
    }
    #index .index_title h3 {
        font-size: 40px;
        padding-top: 40px;
    }
    #index .banner_swiper {
        height: 40vh;
    }
    #index .forum_overview .forum_overview_top .wrap_1200 {
        display: block;
    }
    #index .forum_overview .forum_overview_main {
        max-width: 100%;
        min-width: 100%;
    }
    #index .forum_overview .forum_overview_top_right {
        width: 100%;
        height: 300px;
    }
    #index .forum_overview .forum_overview_bottom ul {
        flex-wrap: wrap;
    }
    #index .forum_overview .forum_overview_bottom ul li {
        width: 50%;
    }
    #index .forum_news .forum_news_swiper .swiper_button {
        left: 0;
    }
    #index .forum_news .forum_news_swiper .swiper-button-next {
        right: 0;
        left: auto;
    }
    #index .forum_news .forum_news_swiper li::after {
        display: none;
    }
    #index .historical_themes {
        background-position: center;
    }
    #index .historical_themes .historical_themes_small_swiper {
        margin: 20px 0;
    }
    #index .historical_themes .historical_themes_small_swiper .swiper_button {
        background-color: transparent;
    }
    #index .participants_guests .bd .more {
        top: -100px;
    }
    #index .participants_guests .bd li p {
        width: 100%;
    }
    #index .participants_guests .slideTxtBox .bd .swiper-slide {
        justify-content: space-around;
    }
    #index .participants_guests .slideTxtBox .bd .swiper-slide li {
        width: 45%;
        margin: 20px 0 0;
    }
    #index .participants_guests .slideTxtBox .bd .swiper-slide li a {
        display: block;
    }
    #index .participants_guests .slideTxtBox .bd .swiper_operation {
        margin-top: 20px;
    }
    #index .forum_reports .forum_reports_swiper {
        margin: 15px 0;
    }
    #index .forum_reports .slideTxtBox {
        margin-top: 20px;
    }
    #index .forum_reports .slideTxtBox .hd {
        position: static;
        transform: none;
        width: 100%;
    }
    #index .forum_reports .slideTxtBox .bd .swiper_operation {
        margin: 15px 0;
    }
    #index .opinions .wrap_1200 {
        height: 100%;
        padding-bottom: 40px;
    }
    #index .opinions .opinions_main {
        position: relative;
        transform: none;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    #index .opinions .opinions_swiper {
        width: 100%;
        height: auto;
    }
    #index .opinions .opinions_swiper .swiper-wrapper li .con_parent {
        width: 100%;
    }
    #index .opinions .opinions_swiper .swiper-wrapper li {
        display: block;
    }
    #index .opinions .opinions_swiper .swiper-wrapper li .img_parent {
        width: 100%;
        height: 200px;
    }
    #index .introduction_video {
        margin-top: 40px;
    }
    #about .about_main .about_table ul {
        width: 100%;
    }
    #about .about_main .about_table ul a {
        display: block;
    }
    #about .about_main .about_table ul li {
        width: 100%;
        font-size: 16px;
        line-height: 40px;
        height: 40px;
    }
    .about_main dd li {
        display: block;
    }
    #about .about_bg::after {
        width: 100%;
    }
    #conference .bg .detail_main p.subject,
    #conference .bg .detail_main .content {
        width: 100%;
    }
    #contact-us #sub_banner .public_select {
        width: 100%;
    }
    #contact-us .contact_main form {
        width: 100%;
    }
    #contact-us #sub_banner h2 {
        font-size: 36px;
    }
    #forum_news_list .forum_news_list_main .list li a {
        display: block;
    }
    #forum_news_list .forum_news_list_main .list li .img_parent,
    #forum_news_list .forum_news_list_main .list li .detail {
        width: 100%;
    }
    #forum_news_list .forum_news_list_main .list li .detail {
        margin-top: 10px;
    }
    #forum_news_list .forum_news_list_main .list li {
        padding: 10px;
    }
    #mail .detail_main img {
        width: 100%;
        height: auto;
    }
    #news_detail .detail_main .title,
    #news_detail .detail_main .line {
        width: 100%;
    }
    #news_detail .detail_main img.content {
        width: 100%;
        height: auto;
    }
    #news_detail .detail_main .title .date {
        position: static;
    }
    #people .people_main .people_list li {
        width: 100%;
        margin-right: 0;
    }
    #people .people_main .people_list li a {
        display: block;
    }
    #search .search_main .search_form {
        width: 100%;
    }
    #search .search_main .search_form input[name="search_input"] {
        width: 70%;
    }
    #search .search_main .search_form #search_button {
        width: 30%;
    }
    #search .search_main .search_list li {
        padding-top: 0;
    }
    #search .search_main .search_list li .result_content {
        max-height: max-content;
        display: block;
    }
    #search .search_main .search_list li .result_content img {
        margin: 0;
        width: 100%;
        max-height: none;
    }
    #search .search_main .search_list li .result_details {
        margin-top: 10px;
    }
    #supporting .contact_main .slideTxtBox .hd ul {
        height: auto;
        display: block;
    }
    #supporting .contact_main .slideTxtBox .hd ul li {
        width: 100%!important;
        display: block;
        text-align: center;
        padding: 10px 0;
        margin: 0 0 10px 0;
    }
    #supporting .contact_main .slideTxtBox .hd ul li.on::after {
        display: none;
    }
    #supporting .contact_main .slideTxtBox .hd ul li img {
        margin: 0 auto;
    }
    #supporting .contact_main .supporting_img li {
        width: 100%!important;
        text-wrap: auto;
    }
}