.app{padding:var(--pd120) 0}.app .lll{padding:0 110px 0 0}.app .item{align-items:center}.app .item:nth-child(even) .lll{order:2;padding:0 0 0 110px}.app .title{font-family:Archivo Black;font-weight:400;font-size:48px;color:#333333;line-height:32px}.app .desc{margin-top:32px;font-weight:400;font-size:16px;color:#666666;line-height:28px}.app .img{padding-bottom:50%}@media screen and (max-width:1366px){.app .title{font-size:36px}}@media screen and (max-width:950px){.app .title{font-size:24px}.app .desc{margin-top:15px}.app .item{margin-top:30px}.app .item:first-child{margin-top:0}.app .item:nth-child(even) .lll{order:unset;padding:0}.app .item .img{padding-bottom:70%}}