/* 放置首页css样式 */

/* 版心 */
.wrapper{
    margin: 0 auto;
    width: 1200px;
}

body{
    background-color: #f3f5f7;
}

.header{
    height: 100px;
    background-color: #fff;
    /* background-color: skyblue; */
}

.header .wrapper {
    padding-top: 29px;
    display: flex;
}

.logo a{
    display: flex;
    width: 195px;
    height: 41px;
    /* background-image: url(../images/asset-logoIco.png); */
    background-image: url(../images/logo2.png);
    /* background-position-x: center; */
    background-position: 100% 100%;
    background-size: 95px;
    background-repeat: no-repeat;
    /* 隐藏文字 */
    font-size: 0;
}

/* 导航 */
.nav{
    margin-left: 102px;
}

.nav ul{
    display: flex;
}

.nav li{
    margin-right: 24px;
}

.nav li a{
    font-size: 19px;
    display: block;
    padding: 6 8px ;
    line-height: 27px;
}

/* active 类选择器 表示默认选择a */
.nav li .active,
.nav li a:hover{
    border-bottom: 2px solid #00a4ff;
}

/* 搜索 */
.search{
    display: flex;
    margin-left: 64px;
    padding-left: 19px;
    padding-right: 12px;
    width: 412px;
    height: 40px;
    background-color: #f3f5f7;
    border-radius: 20px;
}

.search input{
    flex: 1;
    border: 0;
    background-color: transparent;
    /* 去掉表单控件焦点框 */
    outline: none;
   
}

/* placeholder 选中“”属性文字样式 */
.search input ::placeholder{
    font-size: 14px;
    color: #999;
}

.search a{
    align-self: center;
    width: 16;
    height: 16px;
    background-image: url(../images/search.png);
}

.user{
    margin-left: 32px;
    margin-top: 4px;
}

.user span{
    font-size: 16px;
    color: #666;

}

.user img{
    border-radius: 50px;
    margin-right: 14px;
    /* 行内块和行内垂直方向对齐 */
    vertical-align: middle;
}

/* banner区域 */
.banner{
    height: 420px;
    /* background-color: #0092cb; */
}

.banner .wrapper{
    display: flex;
    justify-content: space-between;
    /* justify-content:center ; */

    height: 420px;
    background-image: url(../uploads/2.jpg);
    /* background-image: no-repeat; */
    background-position: 30% 40%;
    background-size: 800px;
    /* background-repeat: ; */
            background-size: cover;
            /* background-attachment: fixed; */
}

.banner .left{
    padding: 3px 20px;
    width: 191px;
    height: 420px;
    background-color: rgba(0,0, 0, 0.42);
}

.banner .left a{
    display: block;
    margin-right: -30px;
    height: 46px;
    background: url(../images/dird.png) no-repeat right center;
    line-height: 46px;
    font-size: 16px;
    color: whitesmoke;
}

.banner .left a:hover{
    background-image: url(../images/dird.png);
    color: #00a4ff;
}

/* 课程表 */
.banner .right{
    margin-top: 60px;
    
    width: 218px;
    height: 305px;
    background-color: rgb(32, 155, 213, 0.63);
    border-radius: 10px
}

.banner .right h3{
    margin-left: 14px;
    height: 48px;
    line-height: 48px;
    font-size: 15px;
    color: white;
    font-weight: 400;
}

.banner .right .conttent{
    padding: 14px;
    height: 257px;
    background-color: rgb(255, 255, 255, 0.63);
    border-radius: 10px;
}

.banner .right dl{
    margin-bottom: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.banner .right dt{
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 20px;
    font-weight: 700;
}

.banner .right dd{
    margin-bottom: 8px;
    font-size: 12px;
    line-height: 16px;
}

.banner .right dd span{
    color: #00a4ff;
}

.banner .right dd strong{
    color: #7d7d7d;
    font-weight: 400;
}

.banner .right a{
    display: block;

    text-align: center;
    
    font-size: 14px;
    color: #fff;
    border-radius: 15px;
    height: 32px;
    line-height: 32px;
    background-color: rgb(0, 164, 255, 0.63);
}

.recommend {
    display: flex;
    margin-top: 11px;
    padding: 0 20px;
    height: 60px;
    background-color: #fff;
    box-shadow: 0px 1px 2px 0px rgba(211, 211, 211, 0.5);
    line-height: 60px;
}

.recommend ul{
    flex: 1;
    display: flex;
}
.recommend ul li a{
    padding: 0 24px;
    border-right: 1px solid #e0e0e0;
    font-size: 18px;
}

.recommend ul li:last-child a{
    border-right: 0;
}

.recommend .modify{
    font-size: 16;
    color: #00a4ff;
}

/* 推荐课程 */
.course{
    margin-top: 15px;
}
 /* 标题 共用类 与其他区域公用 */
.hd{
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    line-height: 60px;
    
}

.hd h3{
    font-size: 21px;
    font-weight: 400;
}

.hd .more{
    font-size: 14px;
    color: #999;
}

/* 课程内容 --公共类 */
.bd ul {
    display:flex;
    flex-wrap:wrap;
    justify-content: space-between;
}
   


.bd li{
    width: 228px;
    height: 271px;
    margin-bottom: 12px;
    background-color: pink;
}

.bd li .pic{
    height: 156px;
}

.bd li .text{
    padding: 20px;
    height: 115px;
    background-color: #fff;
}

.bd li .text h4{
    margin-bottom: 13px;
    height: 40px;
    font-size: 14px;
    line-height: 20px;    
}
.bd li .text p{
    font-size: 14px;
    height: 20px;
    color: #999;
}

.bd li .text p span{
    color: orange
}

.bd li .text p i{
    font-style: normal;
}

/* 前端 */
.hd ul{
    display: flex;
}

.hd li{
    margin-right: 60px;
    font-size: 16px;
}
 .bd{
    display: flex;
    justify-content: space-between;
 }

.hd li .active{
    color: #00a4ff;
}

.bd .left{
    width: 228px;   
    height: 378px;
    background-color: skyblue;
}

.bd .right{
    /* margin-bottom: 10px; */
    width: 957px;
    /* background-color: pink; */
}

.bd .right.top{
    margin-bottom: 15px;
    height: 100px;
    /* padding-bottom: 15px; */
}

/* 版权 */
.footer{
    margin-top: 60px;
    padding-top: 60px;
    height: 273px;
    background-color: #fff;
}

.footer .wrapper{
    display: flex;
    justify-content: space-between;
}

.footer .left{
    width: 440px;
    /* background-color: pink; */
}

.footer .left p{
    margin-top: 20px;
    margin-bottom: 8px;
    font-size: 16px;
    line-height: 20px;
    color: #666;
}

.footer .left .download{
    display: block;
    width: 120px;
    height: 36px;
    border: 1px solid #00a4ff;
    font-size: 16px;
    text-align: center;
    line-height: 32px;
    color: #00a4ff;
}

.footer .right {
    display: flex;
}

.footer .right dl{
    margin-right: 130px;
}

.footer .right dd{
    display: block;
    justify-content: center;
}

.footer .right dl dt {
    font-size: 20px;
    font-weight: 500;
    line-height: 23px;
    margin-bottom: 12px;
}

.footer .right a{
    font-size: 14px;
    color: #666;
    line-height: 24px;
}