*{
    padding: 0;
    margin: 0;
}
ul{
    list-style: none;
}
a{
    color: #585858;
    text-decoration: none;
}
body{
    font-family:  -apple-system,Helvetica,'SourceHanSansCN Regular','Microsoft YaHei',arial,sans-serif;
    font-size: 0.16rem;
    background: #fefefe;
}
.sprite{
    background: url("../image/icons.png");
    background-size: 7rem;
}
.clearfix::after{
    content: '';
    display: block;
    clear: both;
}
input{
    border: none;
    outline: none;
}
header{
    padding: 0.35rem 0.55rem;
    display: flex;
    justify-content: space-between;
}
header .logo img{
    width: 1.8rem;
}
header .search{
    display: inline-block;
    width: 0.39rem;
    height: 0.41rem;
    background-position: -0.02rem -0.04rem;
    margin-top: 0.1rem;
}
nav{
    padding: 0.15rem 0.55rem;
}
nav ul{
    display: flex;
    justify-content: space-between;
}
nav ul li a{
    font-size: 0.3rem;
    color: #585858;
}
nav ul li.active a{
    color: #353536;
    font-weight: 600;
}
nav ul li.active::after{
    content: '';
    display: block;
    width: 0.29rem;
    height: 0.04rem;
    background: #3f98ff;
    border-radius: 0.05rem;
    margin: 0 auto;
    margin-top: 0.1rem;
}
/* 轮播图 */
.indexSwiper{
    width: 100%;
    margin: 0.25rem 0rem;
}
.indexSwiper .swiper-wrapper{
    width: 88%;
}
.indexSwiper .swiper-slide{
    padding: 0rem 0.15rem;
}
.indexSwiper .swiper-slide img{
    max-width: 100%;
}
/* 彩色按钮 */
.btnList{
    display: flex;
    flex-wrap: wrap;
    padding: 0rem 0.25rem;
}
.btnList li{
    width: 25%;
    margin-top: 0.35rem;
}
.btnList li a{
    display: block;
    font-size: 0.3rem;
    text-align: center;
}
.btnList li span.sprite{
    width: 1.14rem;
    height: 1.14rem;
    display: block;
    margin: 0 auto;
    margin-bottom: 0.25rem;
}
.btnList li .btn1{
    background-position: -0.58rem -0.04rem;
}
.btnList li .btn2{
    background-position: -1.79rem -0.07rem;
}
.btnList li .btn3{
    background-position: -3rem -0.06rem;
}
.btnList li .btn4{
    background-position: -4.22rem -0.06rem;
}
/* 热门软件 */
h2{
    font-size: 0.4rem;
    color: #373c44;
    /* font-weight: 500; */
}
.hotSoft{
    padding: 0rem 0.57rem;
    margin-top: 0.8rem;
}
.hotSoft ul{
    margin-top: 0.3rem;
}
.hotSoft ul li{
    border-bottom: 0.01rem solid #ecf1f6;
    padding: 0.35rem 0.08rem;
}
.hotSoft ul li img{
    width: 0.92rem;
    height: 0.92rem;
    float: left;
}
.hotSoft ul li .middle{
    float: left;
    margin-left: 0.5rem;
    max-width: 3.9rem;
}
.hotSoft ul li .jt{
    float: right;
}
.hotSoft ul li .middle h3{
    font-size: 0.3rem;
    color: #24292f;
    font-weight: 500;
}
.hotSoft ul li .middle h3 span{
    font-size: 0.26rem;
    color: #6b6f74;
    margin-left: 0.2rem;
}
.hotSoft ul li .middle p{
    font-size: 0.3rem;
    color: #bdbdbd;
    margin-top: 0.15rem;
}
.hotSoft ul li span.jt{
    width: 0.71rem;
    height: 0.18rem;
    background-position: -5.49rem -0.07rem;
    margin-top: 0.33rem;
}
.hotSoft ul li:hover span.jt{
    background-position: -5.49rem -0.35rem;
}
.hotSoft ul li:hover h3{
    color: #3f98ff;
}
.hotSoft ul li{
    position: relative;
}
.hotSoft ul li .softIcon .softIcon-hover{
    --size: 1rem;
    width: var(--size);
    height: var(--size);
    position: absolute;
    top: 0.09rem;
    left: 0.16rem;
    background-image: var(--img);
    border-radius: 0.55rem;
    opacity: .6;
    transform: scale(0) translateX(-50%);
    filter: blur(0.2rem) opacity(70%);
    z-index: -1;
    transition-delay: .05s;
    transition: transform .3s ease-in-out;
}
.hotSoft ul li:hover .softIcon-hover {
    transform: scale(1);
}
.hotSoft ul li .softIcon .softIcon-hover {
    top: 0.3rem;
    left: 0.05rem;
}
a.more{
    display: block;
    width: 6.17rem;
    height: 0.8rem;
    border: 0.02rem solid #3f99ff;
    border-radius: 0.5rem;
    font-size: 0.3rem;
    color: #3f98ff;
    text-align: center;
    line-height: 0.8rem;
    margin: 0 auto;
    margin-top: 0.25rem;
}
a.more:hover{
    background: #499dff;
    color: #ffffff;
}
/* 精选教程 */
.jxjc{
    padding: 0rem 0.45rem;
    margin-top: 0.8rem;
}
.jxjc h2{
    padding: 0rem 0.12rem;
}
.jxjc h2 span{
    font-size: 0.28rem;
    color: #a7a7a7;
    margin-left: 0.24rem;
}
.jxjc ul li{
    width: 6.53rem;
    height: 7.6rem;
    border: 0.01rem solid #efefef; 
    border-radius: 0.1rem;
    margin: 0 auto;
    margin-top: 0.7rem;
    background: #fff;
}
.jxjc ul li img{
    width: 100%;
    height: 4rem;
}
.jxjc ul li h3{
    font-size: 0.4rem;
    color: #373c44;
    font-weight: 500;
    width: 5.3rem;
    margin: 0.7rem auto 0 auto;
    line-height: 0.6rem;
}
.jxjc ul li p{
    margin-top: 0.6rem;
    float: right;
    margin-right: 0.65rem;
    font-size: 0.28rem;
    color: #aaaaaa;
}
.jxjc ul li p span i.commentIcon{
    width: 0.37rem;
    height: 0.32rem;
    display: inline-block;
    background-position: -5.45rem -0.6rem;
    margin-right: 0.2rem;
}
.jxjc ul li p span i.timeIcon{
    width: 0.3rem;
    height: 0.3rem;
    display: inline-block;
    background-position: -5.88rem -0.6rem;
    margin-right: 0.2rem;
}
.jxjc ul li p span:nth-child(1){
    margin-right: 0.7rem;
}
.jxjc a.more{
    margin-top: 0.75rem;
}
.jxjc ul li:hover{
    box-shadow: 0 0.04rem 0.08rem rgb(84 81 81 / 15%);
}
.jxjc ul li:hover h3{
    color: #3f98ff;
}
/* 底部*/
footer{
    background: #ececec;
    margin-top: 0.62rem;
    padding: 0.3rem 0rem;
}
footer p{
    font-size: 0.25rem;
    color: #868686;
    line-height: 0.5rem;
    text-align: center;
}
footer p span{
    padding: 0rem 0.15rem;
}
/* 浮层 */
.mantle{
    width: 100%;
    height: 100%;
    background: #4a4a4a;
    opacity: .6;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
}
.searchFc{
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: none;
    z-index: 100;
}
.searchFc form{
    height: 1.1rem;
    background: #fff;
    padding: 0rem 0.23rem;
    line-height: 1.1rem;
    position: relative;
}
.searchFc form input.searchText{
    width: 5.6rem;
    height: 0.7rem;
    background: #f7f8fa;
    border-radius: 0.4rem;
    font-size: 0.28rem;
    color: #bebebe;
    padding-left: 0.65rem;
}
.searchFc form span.searchIcon{
    width: 0.27rem;
    height: 0.28rem;
    display: inline-block;
    background-position: -5.51rem -1.01rem;
    position: absolute;
    top: 0.4rem;
    left: 0.5rem;
}
.searchFc form input.searchBtn{
    font-size: 0.28rem;
    color: #353536;
    background: none;
    font-weight: 600;
    margin-left: 0.15rem;
}
.return.bottom{
    width: 100%;
    height: 1.55rem;
    background: #fff;
    position: fixed;
    bottom: 0;
    border-top: 0.01rem solid #f7f7f7;
}
.return.bottom .content{
    width: 2.3rem;
    margin: 0 auto;
    margin-top: 0.3rem;
    display: flex;
    justify-content: space-between;
}
.return.bottom .back{
    width: 0.21rem;
    height: 0.37rem;
    display: inline-block;
    background-position: -5.53rem -4.55rem;
}
.return.bottom .next{
    width: 0.21rem;
    height: 0.37rem;
    display: inline-block;
    background-position: -6.38rem -4.55rem;
}
.return.bottom .back.active{
    background-position: -5.09rem -4.55rem;
}
.return.bottom .next.active{
    background-position: -5.95rem -4.55rem;
}
/* 返回顶部按钮 */
.topping{
    width: 0.84rem;
    height: 0.84rem;
    position: fixed;
    right: 0.2rem;
    cursor: pointer;
    transition: bottom ease 2s;
}
.topping .icons{
    width: 0.84rem;
    height: 0.84rem;
    display: inline-block;
    background-position: -5rem -3.55rem;
}