.banner {
    width: 100%;
    text-align: center;
}
.banner_top {
    width: 100%;
    height: 4rem;
    line-height: 4rem;
    background-color: #38373c;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
}
.banner_top span {
    font-size: 1.6rem;
    color: #ffffff;
    display: inline-block;
}
.top_return,
.top_share {
    position: absolute;
    top: 0;
}
.top_return i {
    width: 0.8rem;
    height: 1.42rem;
    background:url(../img/ic_arrow_return_normal.png) no-repeat 0 0;
    background-size: 100% 100%;
    vertical-align: middle;
    margin-right: 0.8rem;
}
.top_title {
    height: 100%;
    width: 44%;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    margin: 0 auto;
}
.top_return {
    left: 4.1%;
}
.top_share {
    display:none;
    margin: auto;
    top: 0;bottom: 0;
    right: 4.1%;
    width: 1.55rem;
    height: 1.55rem;
    background: url(../img/ic_share_click_normal.png) no-repeat 0 0;
    background-size:100% 100%;
}
.banner_nav {
    margin-top: 4rem;
    height: 25rem;
    width: 100%;
    background: url(../img/banner.png) no-repeat 0 0;
    background-size: 100%;
}

.banner li img {
    width: 4.75rem;
    height: 4.75rem;
    display: block;
    margin-bottom: 1rem;
}
.banner_nav>li {
    float: left;
    margin: 17rem 7.77% 0 0;
    font-size: 1.1rem;
}

.banner_nav>li:nth-child(1) {
    margin-left: 8.33%;
}
/*.body*/
.body {
    width: 100%;
    background-color: #FFFFFF;
}
.gray {
    background-color: #f7f9fa;
}
.body>.porject_in,
.body>.expert_team,
.mien_wrap,
.details_wrap,
.video_on,
.video_wrap ,
.comment_wrap{
    padding: 0 4.1%;
    box-sizing: border-box;
    background-color: #FFFFFF;
}
.body .btitle {
    display: inline-block;
    height: 2.2rem;
    line-height: 2.2rem;
    width: 100%;
    background: url(../img/bg_separate_navigation_nromal.png)no-repeat 0 0;
    background-size: 100% 100%;
    font-size: 1.42rem;
    padding-left: 2.3% ;
    margin-top: 1.77rem;
    box-sizing: border-box;
    color: #FFFFFF;
}
.porject_content p {
    margin:1.33rem 0 0.88rem 0;
    font-size: 1.42rem;
    height: 6.2rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
.porject_content .porject_s {
    display: block;
    overflow: initial;
    height: auto;
}
.porject_content>div {
    margin: 0 auto;
    width: 2.1rem;
    height: 2.1rem;
}
.porject_button {
    background: url(../img/btn_hide_down_normal.png);
    background-size: 100% 100%;
}
.porject_change{
    background: url(../img/btn_hide_up_normal.png);
    background-size: 100% 100%;
}
.expert_list li {
    margin-top: 0.88rem;
    background-color: #FFFFFF;
    padding-top: 0.88rem;
    padding-bottom:1.7rem;
    box-sizing: border-box;
    border-bottom: 1px solid #cdcdcc;
}
.expert_list li img {
    width: 10.22rem;
    height: 7.11rem;
    float: right;
    margin-right: 1.3rem;
}
.expert_list li div {
    margin-left: 1.4rem;
    width: 69%;
}
h3 {
    font-size: 1.42rem;
    font-weight: 800;
}
.expert_list li h3 {
    margin: 0.66rem 0 0.33rem 0;
}
.expert_list li p {
    margin-top: 2rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 1.33rem;
    color: #4d4d4d;
}
.footer {
    text-align: center;
    height: 7.55rem;
    line-height: 7.55rem;
    font-size: 1rem;
    color: #cccccc;
    position:relative;
}
/*video*/
.video_list li {
    padding: 1.11rem 0;
    box-sizing: border-box;
    overflow: hidden;
    border-bottom: 1px solid #cdcdcc;
}
.video_list_left {
    float: left;
    width: 57%;
    margin: 0 0 0 4.1%;
}
.video_list_left h3 {
    height: 4.45rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.video_name,
.video_yy {
    font-size: 1.06rem;
    color: #1c7dea;
}
.video_p {
    margin-top: 1.33rem;
}
.video_p span {
    margin-right: 1.03rem;
}
.video_p span:nth-child(3) {
    font-size: 0.88rem;
    color: #212121;
    float: right;
}
.video_p span:nth-child(3) img {
    width: 0.93rem;
    height: 0.93rem;
    vertical-align: middle;
}
.video_list_right {
    float: right;
    width: 10.22rem;
    height: 7.11rem;
    position: relative;
    margin-right: 4.1%;
}
.video_list_right img:nth-child(1) {
    width: 100%;
    height: 100%;
}
.video_list_right img:nth-child(2) {
    width: 1.86rem;
    height: 1.86rem;
    position: absolute;
    margin: auto;
    left: 0;right: 0;bottom: 0;top: 0;
}
.register ,
.p_number{
    width: 100%;
    height: 4.44rem;
    text-align: center;
    line-height: 4.44rem;
    font-size: 1.42rem;
}
.register {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    color: #FFFFFF;
    background-color: #1C7DEA;
}
.register a{
    color: #fff;
}
.p_number {
    color: #1c7dea;
    background-color: #f0f0f0;
}

.show {
    display: block;
}
/*弹框*/
.alert_wrap, .alert_wrap2 {
    background-color: rgba(0,0,0,0.2);
    position: fixed;
    left: 0;top: 0;
    z-index: 100;
    width: 100%;
    display: none;
}
.alert_msg {
    position: fixed;
    margin: auto;
    left: 0;right: 0;bottom: 0;top: 0;
    text-align: center;
    width: 69.4%;
    height: 16.8rem;
    background-color: #FFFFFF;
}
.msg_title {
    width: 100%;
    height: 3.82rem;
    line-height: 3.82rem;
    background-color: #1C7DEA;
    color: #FFFFFF;
    font-size: 1.42rem;
    position: relative;
}
.msg_title img {
    position: absolute;
    margin: auto;
    top: 0;bottom: 0;right: 0.97rem;
    width: 0.97rem;
    height: 0.97rem;
}
.msg_content>div {
    margin: 1.37rem 0 2.1rem 0;
}
.msg_content>div p {
    font-size: 1.42rem;
}
.msg_content button, .msg_content .button{
    width: 10rem;
    height: 2.6rem;
    border: 1px solid #1C7DEA;
    color: #1C7DEA;
    line-height: 2.6rem;
    font-size: 1.42rem;
    border-radius: 0.22rem;
    background-color: #FFFFFF;
}
.msg_content .msg_btn {
    width: 7.1rem;
    margin: 0 1.3rem;
}
.msg_content .button{
    height: 2.6rem;
    display: block;
    margin:0 auto;
}
.msg_content .msg_btn:nth-of-type(2) {
    background-color: #3eb1fa;
    color: #FFFFFF;
}
.info_list li {
    overflow: hidden;
    padding: 0.88rem 4.1%;
    border-bottom: 1px solid #E6E6E6;
    box-sizing: border-box;
}
.info_l {
    width: 56.25%;
    height: 7.1rem;
}
.info_r {
    height: 7.1rem;
    width: 32%;
}
.info_title {
    font-size: 1.42rem;
    height: 4.2rem;
    width: 100%;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.info_time {
    color: #999999;
    font-size: 1rem;
    margin-top: 1.2rem;
}
.details_wrap {
    margin-top: 4rem;
}
.details_wrap h2{
    font-size: 1.95rem;
    line-height: 2.6rem;
    padding: 1.33rem 0 0.66rem 0;
}
.details_label {
    margin-bottom: 1.7rem;
}
.details_label span{
    font-size: 1.15rem;
}
.details_label span:nth-child(1) {
    color: #1C7DEA;
    margin-right: 2.22rem;
}
.details_label span:nth-child(2) {
    color: #999999;
}
.details_content img {
    display:block;
    max-width: 100%;
    margin: 0.5rem auto 1.7rem;
}
.details_content p {
    font-size: 1.33rem;
    margin-bottom: 1.7rem;
}
.body  .video_tp{
    margin-top: 3.9rem;
    width: 100%;
}
.video_tp video{
    width: 100%;
    height: 100%;
}
.other_video li{
    width: 100%;
    height: 4.88rem;
    line-height: 4.88rem;
    border-bottom: 1px dotted #ededed;
}
.other_video li span:nth-child(1) {
    display: inline-block;
    width: 0.62rem;
    height: 0.62rem;
    border-radius: 50%;
    background-color: #1C7DEA;
    margin: 0 0.88rem;
    vertical-align: middle;
}
.other_video li .other_video_title {
    font-size: 1.42rem;
    vertical-align: middle;
}
.mien_wrap li {
    padding: 1.77rem 0 0 0;
}
.mien_wrap li:nth-child(n + 2) {
    padding-top:1.33rem;
}
.mien_wrap .mien_title {
    font-size: 1.33rem;
}
.mien_imgs {
    margin: 0.44rem 0 0 0;
    padding: 0 1.8rem;
    box-sizing: border-box;
}
.mien_imgs img {
    width: 7.55rem;
    height: 7.55rem;
    margin: 0.44rem 0.44rem;
}
.mien_imgs img:nth-child(3n) {
    margin-right: 0;
}

.swiper-container {
    visibility: hidden;
    background-color: #000000;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1001;
    width: 100%;
}
.swiper-wrapper {
    width: 100%;
}
.swiper-slide {
    width: 100%;
}
.swiper-slide img{
    width: 100%;
    top: 50%;
    position: absolute;
    transform: translateY(-50%);
}


.expert_msg_wrap {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;top: 4rem;
    background-color: rgba(0,0,0,.5);
    z-index: 999;
    display: none;
}
.expert_msg {
    position: absolute;
    margin: auto;
    left: 0;top: 0;right: 0;bottom: 0;
    width: 91%;
    height: 40rem;
    border-radius: 0.5rem;
    background-color: #FFFFFF;
    padding:2rem 3.5% ;
    box-sizing: border-box;
}
.expert_header {
    height: 12rem;
    overflow: hidden;
}
.expert_header_left {
    width: 40%;
    float: left;
}
.expert_header_img {
    width: 90%;
    position: relative;
}
.expert_header_img img {
    width: 100%;
}
.expert_header_right {
    width: 55%;
    float: right;
}
.expert_header_right h3 {
    padding-top: 1rem;
}
.expert_header_right p {
    font-size: 0.9rem;
    color: #333333;
    line-height:1.8;
    font-weight: 600;
}
.expert_header_right p:nth-of-type(1) {
    margin-top: 1rem;
}
.expert_msg_info {
    height: 22rem;
    margin-top: 1rem;
    font-size: 1.2rem;
    overflow: auto;
}
.expert_msg_close {
    position: absolute;
    right: -0.84rem;
    top: -0.84rem;
    background:url(../img/expert_close.png) no-repeat 0 0;
    background-size: 100% 100%;
    border-radius: 50%;
    width: 1.68rem;
    height: 1.68rem;
}

h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 5px 0;
}

.expert_title {
    padding: 2% 4.1%;
    border-bottom: 1px solid #fdf8ec;
}

.expert_list_wrap {
    background-color: #FFFFFF;
    padding: 2% 4.1%;
    box-sizing: border-box;
}

    .expert_list_wrap span {
        display: inline-block;
        font-size: 14px;
        height: 25px;
    }

.expert_list_text,
.expert-subline2 {
    display: inline-block;
    width: 15%;
    text-align: justify;
    text-align-last: justify;
    vertical-align: middle;
}

    .expert_list_text:after,
    .expert-subline2:after {
        display: inline-block;
        overflow: hidden;
        width: 100%;
        height: 0;
        content: '';
        vertical-align: top;
    }

.expert-span {
    font-weight: 500;
}

.expert-subline2 {
    font-size: 14px;
    margin-right: 4%;
}


.goto_top {
    position:absolute;
    right:1.5rem;
    top:1.5rem;
    width:4rem;
    height:4rem;
    background:url(../img/icon_top.png) no-repeat 0 0;
    background-size: 100% 100%;
    border-radius: 50%;
}
