.thumb{width:100%;background-position:center center;background-repeat:no-repeat;background-size:cover}.inner{width:1280px;max-width:100%;margin:0 auto}section{width:100%;overflow:hidden;position:absolute;z-index:99999;margin-top:1280px}section>div{width:100%;height:970px}.top-section{position:relative}.top-section::before{content:'';display:block;position:absolute;top:-140px;left:0;right:0;width:106px;height:106px;margin:0 auto;background:url(../img/2nd_pattern_icon.png) no-repeat;background-size:contain}.top-section::after{content:'';display:block;position:absolute;top:-35px;left:0;right:0;width:1280px;max-width:calc(100% - 40px);height:131px;margin:0 auto;background:url(../img/2nd_pattern.png) no-repeat;background-size:contain}.top-section .tit-section{position:relative;font-size:40px;font-weight:400;color:#fff;text-align:center;letter-spacing:15px}.top-section .m-tit-section{display:none;margin-top:10px;font-size:24px;color:#fff;text-align:center}.section1{position:relative;background:url(../img/main.jpg) no-repeat center center}.section1 h2 img{display:block;position:absolute;left:0;right:0;bottom:60px;max-width:calc(100% - 20px);margin:0 auto}.section1 .bg{display:none}.section2{height:auto;padding:200px 0 80px;box-sizing:border-box;background:#1d252c}.section2 .swiper_back{position:relative;width:947px;max-width:100%;height:50.649vw;max-height:527px;margin:0 auto;padding-top:23px;box-sizing:border-box;background:url(../img/frame.png) no-repeat;background-size:contain}.section2 .swiper{width:890px;max-width:100%}.nav-group-slide .swiper-button-prev{left:-120px;width:65px;height:104px;margin-top:-5px;background:url(../img/lbtn.png) no-repeat}.nav-group-slide .swiper-button-next::after,.nav-group-slide .swiper-button-prev::after{display:none}.nav-group-slide .swiper-button-next{right:-120px;width:65px;height:104px;margin-top:-5px;background:url(../img/rbtn.png) no-repeat}.section2 .swiper-slide img{display:block;width:100%;margin:0 auto}