.f_flex {
    display: flex;
    display: -webkit-flex;
}

.f_between {
    justify-content: space-between;
}

.f_center {
    align-items: center;
}

.f_flexcenter {
    display: flex;
    justify-content: center;
}
.f_rel{
    position: relative;
}
.f_wrap {
    flex-wrap: wrap;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
    height: 0;
}
.f_csr_bg{
    background: url(../img/csr_bg.jpg) no-repeat center top;
    background-size: 100%;
    padding:10.5% 0 12%;
    position: relative;
}
.f_content {
    width: 80%;
    margin: 0 auto;
}

.f_csr_con {
    width: 40%;
    color: #fff;
}
.f_tit{
    font-size: 36px;
    font-weight: bold;
}
.f_csr_txt{
    font-size:18px;
    line-height: 2.7;
    margin: 5% 0 13%;
}
.f_csr_pic {
    width: 49%;
    right: 0;
    top: 21%;
    position: absolute;
}
.f_csr_pic li img{
    width: 100%;
    height: 100%;
    border: solid 5px #d5c2b4;
    border-radius: 3px;
}
.f_csr_btn{
    width: 50%;
}
.f_csr_btn .swiper-button-prev::after,.f_csr_btn .swiper-button-next::after{
    display: none;
}
.f_csr_btn .swiper-button-prev,.f_csr_btn .swiper-button-next{
    position: static;
    width: 56px !important;
    height: 56px;
    border-radius: 100%;
    opacity: 1;
    margin: 0;
}
.f_csr_btn .swiper-button-next{
    background: url(../img/newsjian.png) no-repeat center #fff;
}
.f_csr_btn .swiper-button-prev{
    background: url(../img/newsjian.png) no-repeat center #fff;
    transform: rotate(180deg);
}
.f_csr_btn .swiper-pagination{
    position: static;
    width: auto;
    margin: 0 10%;
}
.f_csr_btn .swiper-pagination .swiper-pagination-current{
    font-size: 48px;
}
.f_csr_btn .swiper-pagination .swiper-pagination-total{
    font-size: 24px;
}
.olmpic_bg{
    background: url(../img/olmpic_bg.jpg) no-repeat center top;
    background-size: 100%;
    padding:7% 0 20%;
}
.f_tit1{
    color: #454545;
    text-align: center;
}
.f_tit1 span{
    color: #ba9c84;
}
.olmpic_box{
    margin: 6% 0 0;
}
.olmpic{
    width: 49.375%;
    background: #fff;
    height: 450px;
    box-shadow: 2px 0 6px rgba(204,204,204,.7);
    padding: 3% 3.1% 0;
}
.olmpic_left_pic{
    width:38.4% ;
}
.olmpic_left_pic img{
    width: 100%;
}
.olmpic_left_con{
    width: 57%;
}
.olmpic_tit{
   
    color: #333;
    font-size: 28px;
    font-weight: bold;
   
}
.olmpic_tit img{
    margin-right:18px;
}
.olmpic_tit_box{
     border-bottom: solid 3px #ba9c84;
      padding-bottom:35px ;
}
.olmpic_left_txt{
    font-size:16px;
    color: #565656;
    line-height: 40px;
    margin: 30px 0 0;
    text-align: justify;
}
.olmpic_left_more{
    width: 138px;
    height: 46px;
    background: #ba9c84;
    font-size: 16px;
    color: #fff;
    display: block;
    text-align: center;
    line-height: 46px;
    margin: 30px 0 0;
}
.olmpic_right_more{
    color: #757575;
    font-size: 16px;
}
.olmpic_right_more img{
    margin-right:10px;
}
.f_video_box{
    padding:5% 0;
}
.f_big_video{
    width: 63.6%;
     border-radius: 5px;
     overflow: hidden;
}
.f_big_video_list{
    display: none;
}
.f_big_video_list:first-child{
    display: block;
}
.f_big_video_list video{
    width: 100%;
    height: 640px;
}
.f_video_list{
    width: 34.75%;
    border: solid 1px #ebe2db;
    border-radius: 5px;
    overflow: hidden;
    padding:0 3%;
}
.f_video_list li{
    padding:35px 0;
    border-bottom: solid 1px #f4efeb;
    cursor: pointer;
}
.f_video_list li::last-child{
    border-bottom: none;
}
.f_video_list_pic{
    width: 140px;
    height: 90px;
}
.f_video_list_pic img{
    width: 100%;
    height: 100%;
}
.f_video_list_con{
    width: calc(100% - 160px);
}
.f_video_list_tit{
   color: #454545;
   font-size: 18px;
   line-height: 30px;
   height: 60px;
   overflow: hidden;
}
.f_video_date{
    color: #8e8e8e;
    font-size: 16px;
}
.f_m_video_list{
    padding:5% 0;
    flex-wrap: wrap;
}
.f_m_video_list li{
    width: 30.5%;
    margin-right:4%;
    background: #f4efeb;
    border-radius: 5px;
    padding:2%;
    margin-bottom: 2%;
}
.f_m_video_list li:nth-child(3n+3){
    margin-right:0;
}
.f_m_video_list li a{
    display: block;
}

.f_m_video_pic{
    border-radius: 5px;
    overflow: hidden;
}
.f_m_video_pic img{
    width: 100%;
    height: 160px;
}
.f_m_video_date{
    font-size: 18px;
    color: #8e8e8e;
    margin: 25px 0 10px;
}
.f_m_video_tit{
    color: #454545;
    font-size: 18px;
    line-height: 30px;
    height: 60px;
    overflow: hidden;
}
.yqzs .swiper-button-prev,.yqzs .swiper-button-next{
    width: 56px;
    height: 56px;
}
.yqzs .swiper-button-prev::after,.yqzs .swiper-button-next::after{
    display: none;
}
.yqzs .swiper-button-prev{
    background: url(../img/yqzs1.png) no-repeat;
    left:22%;
}
.yqzs .swiper-button-prev:hover{
    background: url(../img/yuzs11.png) no-repeat;
}
.yqzs .swiper-button-next{
    background: url(../img/yqzs2.png) no-repeat;
    right:24%;
}
.yqzs .swiper-button-next:hover{
    background: url(../img/yqzs22.png) no-repeat;
}
.yqzs .swiper-pagination{
    position: static;
    margin:3% 0 0;
}
.yqzs .swiper-pagination-bullet-active{
    background: #b9986e;
}
@media only screen and (max-width: 1680px){
	.f_csr_txt{
	    line-height: 2;
	}
	.olmpic_bg{
        padding: 7% 0 17%;
    }
	.olmpic_tit{
	    font-size: 20px;
	}
	.olmpic_left_txt{
	    line-height: 2;
	}
	.olmpic_tit_box{
	    padding-bottom:20px;
	}
}
@media only screen and (max-width: 1440px){
    .olmpic_bg{
        padding: 7% 0 8%;
    }
    .f_csr_txt{
        font-size: 14px;
    }
    .olmpic_left_txt{
        font-size: 14px;    
    }
}