/*basic*/

* {
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: 'manrope_regular';
    src: url('../fonts/manrope/manrope-regular-6.otf') format('truetype');
}

@font-face {
    font-family: 'manrope_extrabold';
    src: url('../fonts/manrope/manrope-extrabold-3.otf') format('truetype');
}

/* ---------- 二级页面标题字体 ---------- */
@font-face {
    font-family: 'youshe_title_black';
    src: url('../fonts/youshe_title_black.ttf') format('truetype');
}

body {
    font: 14px 'manrope_regular';
    color: #292929;
    background-color: #F7F8FA;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

a {
    text-decoration: none;
    color: #333333;
    display: inline-block;
}

img {
    border: none;
    display: block;
    width: 100%;
}

li {
    list-style: none;
}

button,
input,
textarea {
    outline: none;
    border: none;
    resize: none;
}

.clear::before,
.clear::after {
    content: '';
    clear: both;
    display: block;
    zoom: 1;
}

.wrap_1200 {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.swiper_button::after {
    display: none;
}

.swiper_button.swiper-button-lock {
    display: block;
    opacity: 1;
}

.swiper_button.swiper-button-prev {
    transform: rotate(180deg);
}


/* ---------- 顶部 ---------- */

#public_header {
    position: relative;
}

#public_header .wrap_1200 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 27px 0 24px;
}

#public_header .header_left,
#public_header .header_right {
    display: flex;
    align-items: center;
    font-weight: 600;
    font-size: 16px;
}

#public_header .contact_us,
#public_header .menu {
    margin-right: 30px;
}

#public_header .menu {
    width: 40px;
    cursor: pointer;
}

#public_header .header_logo {
    width: 242px;
}

#public_header .login a {
    display: inline-block;
    width: 115px;
    background: #1557A1;
    border-radius: 25px;
    text-align: center;
    line-height: 40px;
    color: #fff;
}


/* ---------- 导航 ---------- */

#public_nav_box {
    position: fixed;
    z-index: 100;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    top: 0;
    display: none;
}

#public_nav_box .public_nav {
    width: 542px;
    background-image: url(../images/bg/bg_public_nav.png);
    background-size: 100% 100%;
    height: 100%;
    position: relative;
    left: -100%;
}

#public_nav_box .public_nav a {
    padding: 26px 26px 26px 30px;
    font-size: 16px;
    color: #999999;
    line-height: 22px;
    width: 240px;
    position: relative;
    box-sizing: border-box;
}

#public_nav_box .close_search {
    display: flex;
    border-bottom: 1px solid #232528;
}

#public_nav_box .close_search .close {
    width: 30px;
    padding: 40px 60px;
    border-right: 1px solid #232528;
}

#public_nav_box .close_search .close img {
    cursor: pointer;
}

#public_nav_box .close_search .search {
    margin: 40px 35px;
    position: relative;
}

#public_nav_box .close_search .search::before {
    content: '';
    position: absolute;
    background: url(../images/icon/icon_search.png) no-repeat left center;
    background-size: 30px;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
}

#public_nav_box .close_search .search input {
    padding-left: 55px;
    display: inline-block;
    line-height: 30px;
    width: 210px;
    background-color: transparent;
    color: #fff;
}

#public_nav_box .public_nav .nav {
    height: calc(100vh - 94px);
    overflow-y: auto;
    width: 251px;
}

#public_nav_box .public_nav .nav::before {
    content: '';
    position: absolute;
    width: 1px;
    height: 100%;
    background-color: #232528;
    left: 258px;
}

#public_nav_box .public_nav .nav::-webkit-scrollbar {
    width: 6px;
}

#public_nav_box .public_nav .nav::-webkit-scrollbar-thumb {
    background: #232528;
    border-radius: 3px;
}

#public_nav_box .public_nav .nav::-webkit-scrollbar-track {
    background: transparent;
}

#public_nav_box .public_nav dt {
    width: 258px;
    box-sizing: border-box;
}

#public_nav_box .public_nav dd {
    position: absolute;
    left: 298px;
    top: 111px;
    display: none;
}

#public_nav_box .public_nav .is_sub_nav a::after {
    content: '';
    position: absolute;
    width: 9px;
    height: 12px;
    background: url(../images/icon/icon_arrow5.png) no-repeat center center;
    background-size: cover;
    top: 50%;
    transform: translateY(-50%);
    right: 26px;
}


/* ---------- 底部 ---------- */

#public_footer {
    background: url(../images/bg/bg_footer.png) no-repeat center;
    background-size: cover;
    padding: 60px 0 16px;
}

#public_footer .footer_top {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

#public_footer .footer_top dt {
    line-height: 22px;
    color: #FFFFFF;
    margin-bottom: 16px;
    font: 16px 'manrope_extrabold';
}

#public_footer .footer_top dd {
    margin-bottom: 12px;
}

#public_footer .footer_top dd:last-of-type {
    margin-bottom: 27px;
}

#public_footer .footer_top dd a {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 22px;
}

#public_footer .footer_middle {
    margin-top: 27px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#public_footer .footer_logo {
    width: 143px;
}

#public_footer .beijing_forum {
    width: 1015px;
}

#public_footer .beijing_forum dt {
    font: 18px 'manrope_extrabold';
    color: #FFFFFF;
    line-height: 21px;
    margin-bottom: 25px;
}

#public_footer .beijing_forum dd {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 20px;
}

#public_footer .beijing_forum .subscription {
    margin-top: 19px;
}

#public_footer .beijing_forum .subscription a {
    width: 184px;
    height: 51px;
    border: 1px solid #fff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 51px;
    text-align: center;
}

#public_footer .beijing_forum li img {
    height: 20px;
}

#public_footer .copy {
    text-align: center;
    margin-top: 84px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 20px;
}

#public_footer .copy span {
    margin-left: 10px;
}


/* ---------- 二级banner ---------- */

#public_sub_banner {
    background: url(../images/bg/bg_sub_banner.png) no-repeat center;
    background-size: cover;
    padding: 53px 0 82px;
}

#public_sub_banner .wrap_1200 {
    text-align: center;
}

#public_sub_banner h2 {
    font: 48px 'youshe_title_black';
    color: #FFFFFF;
    line-height: 55px;
    position: relative;
    text-transform: uppercase;
}

#public_sub_banner h2::after {
    content: '';
    position: absolute;
    width: 56px;
    height: 5px;
    background: #FFFFFF;
    left: 50%;
    transform: translateX(-50%);
    bottom: -23px;
}


/* ---------- 二级页面-导航 ---------- */

#public_sub_nav {
    display: flex;
    justify-content: center;
    background: #ffffff;
    padding: 20px 0 10px;
    width: 100%;
}

#public_sub_nav li {
    margin-right: 93px;
    position: relative;
}

#public_sub_nav li:last-of-type {
    margin: 0;
}

#public_sub_nav li a {
    display: block;
    font-size: 16px;
    color: #999999;
    line-height: 22px;
}

#public_sub_nav li.on a {
    font-weight: 600;
    color: #000000;
}

#public_sub_nav li.on::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 5px;
    background: #1557A1;
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
}


/* ---------- 二级页面-分页 ---------- */

#public_paging {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: #8D8D8D;
    justify-content: center;
}

#public_paging ul {
    display: flex;
}

#public_paging ul li {
    cursor: pointer;
    color: #353535;
    text-align: center;
    border-radius: 4px;
    border: 1px solid #DDE2EE;
    padding: 6px 10px;
    margin-right: 10px;
}

#public_paging ul li.on {
    background: #1557A1;
    color: #FFFFFF;
}

#public_paging .total {
    margin-right: 38px;
}

#public_paging .jump input {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid #DDE2EE;
    display: inline-block;
    margin: 0 10px;
    text-align: center;
}

#public_paging .jump button {
    margin-left: 10px;
    width: 61px;
    height: 28px;
    background: #1557A1;
    border-radius: 4px;
    color: #FFFFFF;
    cursor: pointer;
}


/* ---------- 公用select ---------- */

.public_select {
    position: relative;
    display: inline-block;
    text-align: left;
    cursor: pointer;
}

.public_select dd {
    position: absolute;
    left: 0;
    background-color: #FFFFFF;
    color: #353535;
    width: 100%;
    z-index: 1;
    display: none;
    max-height: 300px;
    overflow: auto;
}

.public_select dd li:hover {
    background: #1557A1;
    color: #fff;
}

#screening {
    display: flex;
    align-items: center;
}

#screening dd {
    position: relative;
    padding-left: 10px;
    font-weight: 500;
    font-size: 20px;
    color: #000000;
    line-height: 28px;
    margin-right: 30px;
    cursor: pointer;
}

#screening dd:first-child::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 20px;
    background: #1557A1;
    border-radius: 3px;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
}

#screening dd.active {
    padding: 0 20px;
    height: 40px;
    background: #000000;
    border-radius: 20px;
    text-align: center;
    margin-right: 25px;
    font-weight: 600;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 40px;
    cursor: auto;
}

#screening dd:last-of-type {
    /*margin: 0;*/
}


/* ---------- 公用background ---------- */

#content_bg {
    background: url(../images/bg/bg_about.png) no-repeat center bottom;
    background-size: contain;
}



