/* 小于等于 1024px 时 */
@media screen and (max-width: 1024px) {
    header{
        padding:0 5%;
    }
    .nav ul{
        display:none;
    }
    .nav .conceal{
        display:block;
        margin:0;
    }
    .nav .dropdown ul{
        display:block;
        margin:0;
    }
    .nav .login a{
        display:none;
        padding:0;
        border:none;
    }
    .catchword span{
        display:inline-block;
        margin-top:46px;
        max-width:250px;
        font-size:36px;
    }
    .service{
        display:block;
        margin-top:-180px;
    }
    .service .con {
        margin: 0 5%;
    }
        .service .con {
        margin: 0 5%;
    }
    .service .left{
        float:none;
        margin-bottom:40px;
        width:100%;
        box-shadow: 0px 1px 10px #02151a4d;
    }
    .service .right{
        float:none;
        width:100%;
        box-shadow: 0px 1px 10px #02151a4d;
    }
    footer{
        margin-top: 40px;
        border: none;
        text-align: center;
    }
    footer .fl,footer .fr{
        float:none;
    }
    footer span {
        display: block;
        margin-bottom: 8px;
        padding:0;
    } 
    .appbox{
        margin-top:-180px;
    }   
    /* about */
    .catchword2 .con{
        order:1;
    }
    /* theme */
    .themepage .con{
        margin-top:0;
    }
    .themepage .li1{
        width:40%;
    }
    .themepage .li2{
        width:33%;
    }
    .themepage .li3{
        width:23%;
    }
    .themepage .left{
        width:40%;
    }
    .themepage .right{
        width:55%;
    }
    .themepage .item3 .left{
        width:40%;
    }
    .themepage .item3 .shang,
    .themepage .item3 .xia{
        width:100%;
    }
}

/* 大于等于 768px 且小于 1024px 时 */
@media screen and (min-width: 768px) and (max-width: 1023px){
    .homepage .items{
        padding:0 5%;
    }
    .items ul{
        flex-wrap:wrap;
    }
    .items ul li{
        margin-bottom:20px;
    }
    /* theme */
    .themepage .banner span{
        width: 495px;
        font-size:38px;
    }
    .themepage .item1>div{
        height:400px;
        text-align:center;
    }
    .themepage .li1{
        padding:35px;
    }
    .themepage .li2{
        padding:0 20px;
    }
    .themepage .item3 .left{
        height:400px;
    }
    .themepage .item3 .shang,
    .themepage .item3 .xia{
        height:190px;
    }
    .themepage .item3 .left span,
    .item3 .shang span,
    .themepage .right .xia span{
        font-size:28px;
    }
    .item3 .shang img{
        margin-left:40px;
    }
}

/* 大于等于 480px 且小于 768px 时 */
@media screen and (min-width: 480px) and (max-width: 767px){
    .homepage .items{
        padding:0 5%;
    }
    .catchword{
        padding:0 5%;
    }
    .catchword ul {
        flex-wrap:wrap;
    }
    .catchword ul li{
        margin-bottom:12px;
    }
    .ai{
        margin-top: 56px;
        padding:0 10%;
    }
    .items {
        margin-top: 25px;
    }
    .items .text h3{
        margin: 8px auto 0;
        max-width:270px;
        font-size:24px;
        line-height:32px;
    }
    .items .text p{
        margin-top:12px;
        max-width:400px;
        font-size:14px;
    }
    .items ul{
        flex-wrap:wrap;
    }
    .items ul li{
        margin-bottom:20px;
        width:45%!important;
    }
    .items li span.second{
        font-size:12px;
    }
    .items .item2,.items .item3 {
        margin-top: 40px;
    }
    .item3 ul {
        margin-top: 30px;
    }
    .catchword2{
        padding:0 30px;
    }
    /* theme */
    .themepage .banner span{
        top:50px;
        width: 355px;
        font-size:27px;
    }
    .themepage .item1{
        flex-wrap:wrap;
        justify-content: center;
    }
    .themepage .item1>div{
        margin-bottom:20px;
        width:50%!important;
        height:auto;
        text-align:center;
    }
    .themepage .li1{
        padding:35px;
    }
    .themepage .li2{
        padding:0 20px;
    }
    .themepage .li2 span{
        font-size:26px;
    }
    .themepage .item1 .li3{
        display:none;
    }
    .themepage .item2 span{
        margin-left:0;
        text-align:center;
        font-size:28px;
    }
    .themepage .item2 em{
        margin-left:0;
        font-size:22px;
        text-align:center;
    }
    .themepage .item3 .left{
        height:400px;
    }
    .themepage .item3 .shang,
    .themepage .item3 .xia{
        height:190px;
    }
    .themepage .item3 .left span,
    .item3 .shang span,
    .themepage .right .xia span{
        font-size:26px;
    }
    .themepage .item3 .shang{
        justify-content: center;;
    }    
    .item3 .shang img{
        margin-left:0;
        width:100px;
    }
}

/* 小于等于 480px 时 */
@media screen and (max-width: 480px){
    .logo img{
        width:120px;
    }
    .catchword{
        padding:0 5%;
    }
    .catchword ul {
        flex-wrap:wrap;
    }
    .catchword ul li{
        margin: 0 10px;
        padding: 8px 20px;
        margin-bottom:12px;
    }
    .catchword .block{
        display:none;
    }
    .catchword .yanshi{
        display:block;
    }
    .ai{
        margin-top: 56px;
        padding:0 10%;
    }
    .homepage .items{
        padding:0 5%;
    }
    .items {
        margin-top: 25px;
    }
    .items .text h3{
        margin: 8px auto 0;
        max-width:270px;
        font-size:24px;
        line-height:32px;
    }
    .items .text p{
        margin-top:12px;
        max-width:400px;
        font-size:14px;
    }
    .items ul{
        flex-wrap:wrap;
    }
    .items ul li{
        margin-bottom:20px;
        width:90%!important;
    }
    .items li span.second{
        font-size:12px;
    }
    .items .item2,.items .item3 {
        margin-top: 40px;
    }
    .item3 ul {
        margin-top: 20px;
    }
    .appbox .con li{
        margin:10px 2%;
        width:45%;
        height:auto;
    }
    .appbox li img{
        width:80px;
        height:80px;
    }
    .appbox li span{
        font-size:16px;
        line-height:20px;
    }
    .appbox li p{
        font-size:14px;
        line-height:18px;
    }
    .loginpage .catchword{
        padding:100px 5%;
    }
    .loginpage .catchword .con{
        padding:20px 10px;
        width:100%;
        font-size:14px;
    }
    .form div{
        display:flex;
        justify-content:center;
    }
    .form label{
        padding:9px 5px;
        width:85px;
    }
    .form input{
        flex-grow: 1;
    }
    .loginpage .form span{
        margin-left:0;
        max-width:100%;
    }

    /* about */
    .catchword2{
        margin-top:85px;
        padding:0 30px;
    }
    .catchword2 .con{
        order:1;
    }
    .catchword2 div:nth-child(2){
        text-align:center;
    }
    .catchword2 img{
        width:90%;
        height:auto;
    }

    /* theme */
    .themepage .banner{
        display:none;
    }
    .themepage .banner-m{
        padding-top:68px;
        display:block;
        width:100%;
        height:540px;
        text-align:center;
        background:url(../images/bg-m@2x.jpg) no-repeat;
        background-size:100%;
    }
    .themepage .banner-m span{
        font-weight: 600;
        font-size: 36px;
        line-height: 48px;
    }
    .themepage .con{
        margin-top:40px;
        padding:0 5%;
    }
    .themepage .item1{
        flex-wrap:wrap;
        justify-content: center;
    }
    .themepage .item1>div{
        margin-bottom:20px;
        width:100%!important;
        height:auto;
        text-align:center;
    }
    .themepage .li1{
        padding:5%;
    }
    .themepage .li2{
        padding:0 20px;
    }
    .themepage .li1 span{
        font-size:20px;
    }
    .themepage .li2 span{
        font-size:26px;
    }
    .themepage .item1 .li3 img{
        width:75%;
    }
    .li3 .xia{
        margin-top:20px;
    }
    .themepage .con .item2{
        margin-top:0;
        padding:386px 45px 0;
        height:596px;
        background-color:#dee2e3ff;
        background-image: url(../images/theme_5@.png);
        background-size:100%;
        background-position: top;
    }
    .themepage .item2 span{
        margin-top:-20px;
        margin-left:0;
        text-align:center;
        font-size:28px;
        line-height: 36px;
    }
    .themepage .item2 em{
        margin-top:13px;
        margin-left:0;
        font-size:20px;
        line-height: 28px;
        text-align:center;
    }
    .themepage .item3{
        flex-wrap:wrap;
    }
    .themepage .item3 .left{
        padding:40px 22px;
        width:100%;
        height:auto;
    }
    .themepage .item3 .shang,
    .themepage .item3 .xia{
        height:190px;
    }
    .themepage .item3 .left span,
    .themepage .right .xia span{
        font-size:26px;
    }
    .themepage .right{
        width:100%;
    }
    .themepage .item3 .shang{
        margin-top:20px;
        justify-content: center;
        flex-direction:column;
        height:350px;
        background:url(../images/theme_20@.png);
        background-size:100%;
        text-align:center;
    }    
    .item3 .shang img{
        margin-left:0;
    }
    .themepage .item3 .xia{
        padding:30px 60px;
        background: url(../images/theme_9@.png);
        background-size:100%;
    }
}