.tlf2_div{position:relative;width:100%;display:inline-block;min-height:800px;background-color:rgba(255,255,255,0);background:linear-gradient(to bottom,#f1f1f1 500px,rgba(255,255,255,0) 500px);z-index:0 !important;text-align:center}.tlf2_b_sol{float:left;clear:left;width:48%}.tlf2_b_sol .gen_banner_div{text-align:left}.tlf2_b_sag{float:right;width:48%}.tlf2_b_sag>p{float:left;width:100%;text-align:right;font-size:14px;color:#7a7a7a;line-height:28px}.tlf2_b_sag>a{float:right;background-color:#e60000;color:#fff;padding:12px 20px;font-size:14px;border-radius:5px;font-weight:500;transition:background-color .5s;letter-spacing:.5px;margin-top:25px}.tlf2_b_sag a:hover{background-color:#000033}.tlf2_item_tut{margin-top:30px}.tlf2_item_box{float:left;width:22.75%;margin-right:3%;height:375px;background-position:center;background-size:cover;background-repeat:no-repeat;position:relative;border-radius:10px;margin-bottom:25px;overflow:hidden}.tlf2_item_box:nth-child(4n+4){margin-right:0px}.tlf2_item_ic{float:left;width:100%;height:100%;position:relative;z-index:5;padding:30px;background:linear-gradient(to bottom,rgba(0,0,51,0) 40%,rgba(0,0,51,.6) 70%);border-radius:10px;overflow:hidden}.tlf2_item_ic:hover{background:linear-gradient(to bottom,rgba(0,0,51,0) 40%,red)}.tlf2_ikon{float:left;font-size:55px;color:#fff;margin-top:65px}.tlf2_item_ic>a{float:left;width:100%;font-size:22px;font-weight:700;color:#fff;line-height:40px;margin-top:10px}.tlf2_item_ic>a:hover{text-decoration:underline}.tlf2_item_ic>span{float:left;color:#fff;font-size:28px;border-radius:50%;width:45px;height:45px;text-align:center;transition:background-color .5s}.tlf2_link_div{text-align:center;margin-top:25px}.tlf2_link_div>a{display:inline-block;margin-top:25px;font-weight:500;color:#000}.tlf2_link_div>a:hover{color:#666}.tlf2_link_div>a>b{position:relative;font-weight:400;font-style:italic}.tlf2_link_div>a>b:after{content:'';position:absolute;left:0px;bottom:0px;width:100%;border-bottom:3px solid red}@media screen and (min-width:0px) and (max-width:768px){.tlf2_div{background-image:linear-gradient(to bottom,rgba(241,241,241,1) 40%,rgba(241,241,241,0) 60%)}.tlf2_b_sol,.tlf2_b_sag{width:100%}.tlf2_b_sol .gen_banner_div{text-align:center}.tlf2_b_sag>p{font-size:14px;line-height:24px;text-align:left}.tlf2_item_box{width:100%}}@media screen and (min-width:769px) and (max-width:1279px){.tlf2_div{background-image:linear-gradient(to bottom,rgba(241,241,241,1) 40%,rgba(241,241,241,0) 60%)}.tlf2_item_box{width:48%;margin-right:2%}.tlf2_item_ic>span{font-size:16px;line-height:32px}}