.banner{background-image: url('../images/ban-develop.jpg');}
.banner .en{background-image: url('../images/ban-en-develop.png');}
.theme{height: 300px; background: url('../images/develop-theme.jpg') no-repeat center / cover;text-align: center;}
.theme-desc{padding-top: 44px; line-height: 2; color: #4b4b4b;}
.theme-desc h3{margin: 0; font-size: 30px; margin-bottom: 24px;}
.main-develop{padding: 40px 0; min-height: 500px;}
.develop{background: #f8f8fa; padding: 35px 25px; margin-top: 30px;}
.swiper-slide{overflow: hidden;}
.develop-item{display: flex; align-items: center; justify-content: space-between;}
.develop-item .desc{width: 490px; margin-left: 10px; line-height: 32px; color: #4e5259;}
.develop-item .desc h3{font-size: 20px; margin: 0 0 20px;}
.develop-item .preview{width: 514px; margin-right: 10px;}
.swiper-slide-active .develop-item .desc{-webkit-animation: fadeInLeft .6s forwards; animation: fadeInLeft .6s forwards;}
.swiper-slide-active .develop-item .preview{-webkit-animation: fadeInRight .6s forwards; animation: fadeInRight .6s forwards;}
@-webkit-keyframes fadeInLeft{0%{opacity:0;-webkit-transform:translate3d(-30px,0,0);transform:translate3d(-30px,0,0)}100%{opacity:1;-webkit-transform:none;transform:none}}
@keyframes fadeInLeft{0%{opacity:0;-webkit-transform:translate3d(-30px,0,0);-ms-transform:translate3d(-30px,0,0);transform:translate3d(-30px,0,0)}100%{opacity:1;-webkit-transform:none;-ms-transform:none;transform:none}}
@-webkit-keyframes fadeInRight{0%{opacity:0;-webkit-transform:translate3d(30px,0,0);transform:translate3d(30px,0,0)}100%{opacity:1;-webkit-transform:none;transform:none}}
@keyframes fadeInRight{0%{opacity:0;-webkit-transform:translate3d(30px,0,0);-ms-transform:translate3d(30px,0,0);transform:translate3d(30px,0,0)}100%{opacity:1;-webkit-transform:none;-ms-transform:none;transform:none}}
.en .nav .nav-item{font-size: 13px; line-height:20px; padding: 7px 10px;}
.en .develop-item .desc{line-height: 1.8;}
.en .develop-item .desc h3{margin-bottom: 10px;}
@media(min-width:  1930px){
    .develop-item .desc{line-height: 36px;}    
}