.section-top_dl{margin-top:80px}.section-top_dl ul{border-bottom:solid 6px #20336a;width:100%;justify-content:space-between;align-items:flex-start}.dl1-content{width:49%;border-top:solid 6px #20336a;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px 0;min-height:350px}.section-top_dl .dl1-content{background-color:#e2eaf6}.section-top_dl .dl1-content:last-child{border-top:solid 6px #1e55a5}.section-top_dl2 .dl1-content{border-top:0}.dl-title{font-size:25px;text-align:center}.dl-text{width:55%;font-weight:700;margin:70px auto}.dl-link{background-color:#1e55a5;color:#fff;display:flex;justify-content:center;align-items:center;width:50%;padding:15px 0;border-radius:100vh}.dl-link i{font-size:25px;margin-left:10px}.section-top_dl2{justify-content:space-between;background-color:#fff;margin-top:70px;z-index:5}.back-number__img{width:50%;display:flex;justify-content:center;align-items:center}.back-number__img img{width:50%;margin:0 auto}.tab{display:none}@media screen and (max-width:850px){.dl-text{width:85%;font-weight:700;margin:40px auto}.dl-link{width:80%}.tab{display:block}.dl1-content{padding:20px 0}.img-title{width:40%;margin:0 auto}}@media screen and (max-width:500px){.section-top_dl ul{flex-direction:column}.dl1-content{padding:50px 0;width:100%;min-height:auto}.section-top_dl2{flex-direction:column-reverse}.back-number__img{width:100%;margin-top:30px}.dl-title{font-size:21px;text-align:center}}