.logo{width:150px;}
.icon_line_box{margin-right:0;}

.project_list{padding-left:0;position: fixed;left:2%;height:100%;display: flex;justify-content: flex-end;flex-direction: column;z-index:9;}
.project_list li{margin-bottom:60px;text-align:left;}
.project_list li a{font-size:16px;color:#959696;display:block;}
.project_list li.on a,.project_list li:hover a{color:#fff;font-weight:bold;}
.project_list li.on.active a{color:#000;}

.project1{padding-left:0;height:100%;padding-bottom:0;}
.project1_info{display:flex;flex-direction: column;justify-content: flex-end;align-items:flex-start;color:#fff;height:100%;}
.project_title_ch{font-size:67px;}
.project_title_en{font-size:26px;margin-bottom:15px;}
.project_jieshao_ch{font-size:30px;}
.project_jieshao_en{font-size:18px;}

/* .project2{background:red;} */
.project2_info{width:1440px;height:100%;margin:0 auto;background:#fff;}
.project2_info_top{height:60%;overflow:hidden;position: relative;}

.project2_info_bottom{padding:60px 0;display:flex;align-items:flex-start}
.project2_info_bottom_l{color:#231815;width:490px;}
.project2_info_bottom_l h3{font-size:22px;font-weight:bold;margin-bottom:10px;}
.project2_info_bottom_l h4{font-size:14px;font-weight:bold}
.project2_info_bottom_l li+li{margin-top:40px;}
.project2_info_bottom_r{width:calc(100% - 490px);padding-left:60px;}
.project2_info_bottom_rch{font-size:16px;font-weight:bold;margin-bottom:30px;line-height:25px;}
.project2_info_bottom_ren{font-weight: bold;font-size:13px;line-height:20px;}

.project2_info_top_content{display:flex;flex-direction: column;justify-content: flex-end;align-items:flex-start;color:#fff;position: absolute;left:60px;top:60px;}

.project3 img{height:100%;width:100%;}
.project3 .swiper-container{height:100%;}
.project3 .swiper-slide a{display:block;height:100%;background-size:cover;background-position: center;}

.project2_info{background:none;}
.news2_info_bottom{display:flex;color:#fff;padding-top:40px;}
.news2_info_bottom_l{width:50%;padding-right:20px;font-size:19px;line-height:30px;}
.news2_info_bottom_r{width:50%;padding-left:20px;font-size:13px;line-height:22px;}
@media screen and (max-width:1750px){
    .project2_info{width:1300px;}
}
@media screen and (max-width:1700px){
    .project2_info{width:1200px;}
    .project2_info_bottom{padding:30px 0;}
}
@media screen and (max-width:1600px){
    .project2_info_bottom_rch{font-size:14px;}
    .project2_info_bottom_r{padding-left:40px;}
}
@media screen and (max-width:1550px){
    .project2_info{width: 1250px;}
    .project2_info_bottom_rch{font-size:14px;margin-bottom:20px;}
    .project2_info_bottom_r{padding-left:30px;}
    .project2_info_bottom_l li+li{margin-top:60px;}
    .project2_info_top_content .project_title_ch{font-size: 45px;}
    .project2_info_top_content .project_title_en{font-size: 20px;}
    .project2_info_top_content .project_jieshao_ch{font-size:26px;margin-bottom:5px;}
}
@media screen and (max-width:1500px){
    .project2_info{width: 1000px;}
}
@media screen and (max-width:1440px){
    .project2_info{width: 900px;}
    .project2_info_top{height:55%}
    .project2_info_bottom{height:45%;}
    .project1{padding-left:0}
    .project2_info_bottom{padding:60px 0 0;}
    .news2_info_bottom_l{font-size:15px;}
}
@media screen and (max-width:1400px){
    .project2_info{width:890px}
    .project2_info_bottom_l{width:420px;font-size:16px;}
    .project2_info_bottom_r{width: calc(100% - 420px);}
    .project2_info_bottom_l h3{font-size:20px}
    .project2_info_bottom{padding:40px 0 0;}
}
@media screen and (max-width:1300px){
    .project2_info{width:890px}

}
@media screen and (max-width:1200px){
    .project2_info{width:890px}
    .project2_info_top{height:auto;}
    .project2_info_bottom_l{width:350px}
    .project2_info_bottom_r{width:calc(100% - 350px)}
    .project2_info_bottom_l h3{font-size:18px}
    .project2_info_bottom_l h4{font-size:14px;}
    .news2_info_bottom{font-size:12px;padding-top:10px;}
    .news2_info_bottom_l,.news2_info_bottom_r{font-size:12px;line-height:22px;}
}
@media screen and (max-width:1024px){
    .project1{background-size:cover}
    .project2_info{width:100%;}
    .project2_info_bottom{flex-wrap:wrap;}
    .project2_info_bottom_l,.project2_info_bottom_r{width:100%;}
    .project2_info_top_content{top:40%;padding-left:200px}
    .project2_info_bottom{padding-left:15%}
    .project2_info_bottom_r{padding-left:0;}
    .project2_info_bottom_l h3{font-size:20px;}
    .project2_info_bottom_l li+li{margin-top:40px;}
    .project_list{justify-content: center;}
    .project2_info_bottom_rch{font-size:16px;}
}
@media screen and (min-width:768px) and (max-width:1023px){
    .project1{padding-left:15%}
    .project_title_ch{font-size:45px;margin-bottom:5px;}
    .project_title_en{font-size:20px;}
    .project_jieshao_ch{font-size:24px;}
    .project_jieshao_en{font-size:16px;margin-top:10px;}
    .project2_info_bottom{height:auto;padding-left:18%;padding-right:2%;padding-top:15px;}
    .project2_info_top_content{padding-left:0;left:15%}
    .project2_info_bottom_l li+li{margin-top:15px;}
    .project2_info_bottom_rch{font-size:13px;margin:10px 0;}
    .project_list li{margin-bottom:40px;}
    .nav_list li{padding:0 15px;}
}
@media screen and (max-width:767px){
    .head_info{background:transparent}
    .project_list{display:none;}
    .project1{padding:30px 10px;background-size: cover;}
    .project_title_ch{font-size:24px}
    .project_title_en{font-size:18px;}
    .project_jieshao_ch{font-size:18px;}
    .project_jieshao_en{font-size:14px;}

    .project2_info_top_content{padding:30px 15px;top:none;bottom:0;}
    .project2_info_bottom{height:auto;padding:15px;}
    .project2_info_bottom_l h3{font-size:14px;margin-bottom:5px;}
    .project2_info_bottom_l h4{font-size:10px}
    .project2_info_bottom_l li+li{margin-top:15px;}
    .project2_info_top_content{display:none;}
    .project2_info_bottom_rch{font-size:12px;margin-bottom:5px;line-height:20px;}
    .project2_info_bottom_ren{font-size:10px;}
    .news2_info_bottom{flex-wrap:wrap;}
    .news2_info_bottom_l,.news2_info_bottom_r{width:100%;padding:10px;}
}

@media screen and (max-width:991px) and (min-width:768px){
    .project_list{display:none;}
    .section{padding:75px 15px 0;background:#000;}
    .news2_info_bottom > div{flex-wrap:wrap;}
    .news2_info_bottom_l, .news2_info_bottom_r{width:100%;}
    .news2_info_bottom_r{padding:0;}
    .project1{display:none;}
}
@media screen and (max-width:1024px) and (min-width:992px){
  .project_list{display:none;}
  .project1{display:none;}
    .section{padding:75px 15px 0;background:#000;}
    .news2_info_bottom > div{flex-wrap:wrap;}
    .news2_info_bottom_l, .news2_info_bottom_r{width:100%;}
    .news2_info_bottom_r{padding:0;}
}