* {
    margin: 0;
    padding: 0;
    list-style: none;
    font-style: normal;
}

body {
    font-family: "Microsoft YaHei", "SimSun";
    font-size: 14px;
    color: #000;
}

a {
    text-decoration: none;
    color: #21242c
}

a:hover {
    text-decoration: none;
    color: #21242c;
}

.page-content {
    width: 1200px;
    margin: 0 auto;
    position: relative
}

.hd-banner{
    background: url(../images/java/banner.jpg) no-repeat top center;
    background-size: cover;
    height: 400px;
}
.hd-banner .info{
    padding: 100px 0 0 0;
}
.hd-banner .info h2{
    font-size: 40px;
    background-image: linear-gradient(to bottom, #fff1df,#ffe9ce);
    -webkit-background-clip: text;
    color: transparent;
}
.hd-banner .info p{
    font-size: 18px;
    color: #fee2c5;
    line-height: 32px;
    padding-top: 25px;
}
.nav-box{
    height: 110px;
    background: #fff;
    border-right: 10px;
    box-shadow:  0 5px 20px rgba(0,0,0,.05);
    margin-top: -55px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px 0 0;
}
.nav-box .left{
    display: flex;
}
.nav-box .left .item{
    text-align: center;
    padding: 0 40px;
    position: relative;
}
.nav-box .left .item h3{
    font-size: 30px;
    color: #ff4a00;
}
.nav-box .left .item h3 span{
    font-size: 18px;
    font-weight: normal;
}
.nav-box .left .item p{
    font-size: 16px;
    color: #666;
    padding-top: 5px;
}
.nav-box .left .item::after {
    content: '/';
    position: absolute;
    right: -6px;
    top: 50%;
    color: #ff4a00;
    vertical-align: middle;
    font-size: 24px;
    transform: translate(0, -50%);
}
.nav-box .left .item:last-child::after {
    content: '';
}
.nav-box .right .btn a{
    display: block;
    background: #ff4a00;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    width: 140px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border-radius: 40px;
}
.kb-box{
    background: url(../images/java/kb-bg.jpg) no-repeat top center;
    height: 140px;
    border-radius: 15px;
    margin-top:60px;
    display: flex;
    color: #fff;
}
.kb-box .left{
    display: flex;

}
.kb-box .left .t{
    padding: 30px 0 0 40px;
}
.kb-box .left p{
    font-size: 14px;
    padding-top: 10px;
    color: rgba(255,255,255,.8);
}
.kb-box .left .info{
    font-size: 14px;
    line-height: 24px;
    padding: 24px 0 0 30px;
}
.kb-box .right{
    display: flex;
}
.kb-box .right .t{
    padding: 23px 0 0 90px;
    line-height: 30px;
    position: relative;
}
.kb-box .right .t:before {
    content: '';
    position: absolute;
    width: 1px;
    height: 80px;
    background: rgba(255,255,255,.8);
    left:35px;
    top:30px
}
.kb-box .right .info{
    font-size: 14px;
    line-height: 24px;
    padding: 24px 0 0 30px;
}
.page-title{
    text-align: center;
    padding:80px 0 50px;
}
.page-title h3{
    font-size: 30px;
    color: #333;
}
.page-title h3 span{
    color: #9c2cff;
}
.page-title p{
    color: #666;
    font-size: 18px;
    padding-top: 10px;
}
.java-a{
    display: flex;
    justify-content: space-between;
}
.java-a .item{
    text-align: center;
    width: 385px;
    border-radius: 12px;
    background: #f5e9ff;
    padding: 25px 0 25px;
}
.java-a .item h4{
    background: url(../images/java/t.jpg) no-repeat;
    width: 235px;
    height: 50px;
    border-radius: 50px;
    text-align: center;
    line-height: 50px;
    color: #fff;
    margin: 0 auto;
    font-size: 20px;
    border:#fff solid 2px;
    position: relative;
    z-index: 1;
}
.java-a .item .info{
    background: #fff;
    border:#9c2cff solid 2px;
    border-radius: 10px;
    width: 335px;
    height: 170px;
    margin:-25px auto 0;
    font-size: 16px;
    line-height: 30px;
    padding-top: 30px;
    box-sizing: border-box;
}
.java-b .t{
    font-size: 18px;
    color: #9c2cff;
    font-weight: bold;
    margin: 0 auto;
    width: 350px;
    height: 52px;
    line-height: 52px;
    text-align: center;
    background: #f5e9ff;
    border-radius: 30px;
}
.java-b .box{
    padding: 50px 0 80px;

}
.java-c{
    height: 300px;
    background: url(../images/java/bg1.jpg) no-repeat center center;
    background-size: 100% 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
}
.java-c .box{
    text-align: center;
}
.java-c .box h3{
    font-weight: bold;
    font-size: 36px;
    line-height: 40px;
    color: #FFFFFF;
    text-align: center;
}
.java-c .box b{
    color: #ffff00;
    position: relative;
}
.java-c .box p{
    margin-top: 28px;
    font-weight: 400;
    font-size: 28px;
    line-height: 30px;
    color: #FFFFFF;
}
.java-c .box p b:after{
    content: '';
    position: absolute;
    bottom: -4px;
    width: 100%;
    height: 16px;
    background: #732ffc;
    z-index: 0;
    left:0
}
.java-c .box p span{
    position: relative;
    z-index: 2;
}
.java-d{
    background: url(../images/java/bg2.jpg) no-repeat top center;
    padding-bottom: 80px;
}
.java-d .hd{
    width: 960px;
    height: 180px;
    margin: 0 auto;
    border-radius: 20px 20px 0 0;
    background: linear-gradient(0deg, rgba(255, 255, 255, 0), #e0c8ff);
    display: flex;
    align-items: center;
}
.java-d .hd .item{
    width: 320px;
    text-align: center;
    position: relative;
}
.java-d .hd .item:after{
    content: '';
    position: absolute;
    width: 1px;
    height: 60px;
    background: #debeff;
    right: 0;
    top: 50%;
    transform: translate(0, -50%);
    z-index: 1;
}
.java-d .hd .item:last-child:after{
    content: none;
}
.java-d .hd .item h3{
    font-size: 34px;
    padding-bottom:10px;
    color: #732ffc;
}
.java-d .hd .item p{
    line-height: 24px;
    color: #666;
    font-size: 16px;
}
.java-d .bd{
    display: flex;
    justify-content: space-between;
}
.java-d .bd .item{
    text-align: center;
    width: 295px;
    box-sizing: border-box;
    padding: 30px 20px;
    color: #fff;
    position: relative;
    height: 150px;
}

.java-d .bd .item h3{
    font-size: 18px;
    padding-bottom: 15px;
    position: relative;
    z-index: 2;
}
.java-d .bd .item p{
    font-size: 16px;
    line-height: 24px;
    position: relative;
    z-index: 2;
}
.java-d .bd .item::after{
    content: '';
    background: linear-gradient(120deg, #fe8d50, #ff4a00);
    opacity: .2;
    position: absolute;
    width: 100%;
    height:30px;
    bottom:-10px;
    left:0;
    z-index:0;
    border-radius: 0 0 15px 15px;
}
.java-d .bd .item::before{
    content: '';
    background: linear-gradient(120deg, #fe8d50, #ff4a00);
    position: absolute;
    width: 100%;
    height:100%;
    top:0;
    left:0;
    z-index:1;
    border-radius: 0 15px 15px 15px;
}
.java-d .bd .item:nth-child(2n)::after{
    content: '';
    background: linear-gradient(120deg, #834cfc, #b259fb);
    opacity: .2;
    position: absolute;
    width: 100%;
    height:30px;
    bottom:-10px;
    left:0;
    z-index:0;
    border-radius: 0 0 15px 15px;
}
.java-d .bd .item:nth-child(2n)::before{
    content: '';
    background: linear-gradient(120deg, #834cfc, #b259fb);
    position: absolute;
    width: 100%;
    height:100%;
    top:0;
    left:0;
    z-index:1;
    border-radius: 0 15px 15px 15px;
}
.java-d .btn{
    text-align: center;
    padding:70px 0 20px;
}
.java-d .btn a{
    display: inline-block;
    height:66px;
    line-height:62px;
    font-size: 20px;
    border-radius: 50px;
    padding: 0 50px;
    background: linear-gradient(-100deg, #ff4a00, #fe8d50);
    color: #fff;
    margin: 0 10px;
    border: #fff solid 2px;
    box-sizing: border-box;
}
.java-d .btn  em{
    font-family: SimSun
}
.java-d .btn a:nth-child(2){
    background: linear-gradient(-100deg, #834cfc, #b259fb);
}
.java-e .box{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.java-e .box .item{
    width: 220px;
    text-align: center;
    font-size: 18px;
    color: #9c2cff;
    line-height: 85px;
    border:#9c2cff dashed 1px;
    font-weight: bold;
    border-radius: 10px;
    margin-bottom: 20px;
    position: relative;
}
.java-e .box .item .sub{
    display: none;
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,.2);
    position: absolute;
    top:85px;
    left:-1px;
    z-index: 2;
    width:calc(100% + 2px);
    color: #333;
    font-size: 14px;
    text-align: left;
    font-weight: normal;
    line-height: 24px;
    padding:15px 20px;
    box-sizing: border-box;
    border-radius:  0 0 10px 10px;
}
.java-e .box .item:hover{
    background: #9c2cff;
    border:#9c2cff solid 1px;
    color: #fff;
}
.java-e .box .item:hover .sub{
    display: block;
}
.java-e .box .item:hover .sub p{
    position: relative;
}
.java-e .box .item:hover .sub p::before {
    content: '';
    width: 2px;
    height: 2px;
    border-radius: 50%;
    background-color: #000;
    position: absolute;
    top: 10px;
    left: -10px;
}
.java-f{
    background: #f7f2ff;
    padding-bottom: 80px;
    margin-top: 60px;
}
.java-f .box{
    background: #fff;
    overflow: hidden;
    display: flex;
}
.java-f .box .hd{
    background: linear-gradient(120deg, #8b55f0, #cb84fe);
    width: 322px;
    height:auto;
    position: relative;
}
.java-f .box .hd::after{
    content: '';
    position: absolute;
    right: 0;
    top:0;
    background: url(../images/java/hd-icon.png);
    width: 32px;
    height: 33px;
}
.java-f .box .hd::before{
    content: '';
    position: absolute;
    right: 0;
    bottom:0;
    background: url(../images/java/bd-icon.png);
    width: 153px;
    height: 194px;
}
.java-f .box .hd ul{
    padding: 30px 0 30px 0;
    color: #fff;
    font-size: 15px;
    font-weight: bold;
}
.java-f .box .hd ul li{
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
    cursor: pointer;
}
.java-f .box .hd ul li.on{
    background: rgba(255,255,255,.1);
    position: relative;
}
.java-f .box .hd ul li.on::before{
    content: '>';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 20px;
    font-weight: normal;
    z-index: 1;
    font-family: SimSun;
}

.java-f .box .bd{
    width: calc(100% - 322px);
}
.java-f .box .bd .info{
    padding:40px 30px 30px;
    overflow: hidden;
}
.java-f .box .bd .info h3{
    font-size: 20px;
    color: #9c2cff;

}
.java-f .box .bd .info .weeks{
    background: #f5e9ff;
    color:#9c2cff ;
    border-radius: 3px;
    font-size: 18px;
    padding: 5px 10px;
    display: inline-block;
    margin: 20px 0;
}
.java-f .box .bd .info ul{
    font-size: 14px;
}
.java-f .box .bd .info ul li{
    width: 50%;
    float: left;
    position: relative;
    box-sizing: border-box;
    padding: 5px 0 5px 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap

}
.java-f .box .bd .info ul li::before{
    content: '>';
    position: absolute;
    left:0;
    top: 50%;
    transform: translateY(-50%);
    color: #333;
    font-size: 14px;
    font-weight: normal;
    font-family: SimSun;
}
.java-j{
    background: linear-gradient(100deg, #834cfc, #b259fb);
    border-radius: 20px;
    padding: 10px;
    margin-bottom: 80px;
}
.java-j .box{
    background: #fff;
    border-radius:15px;
    overflow: hidden;
}
.java-j .box ul li{
    display: flex;
    line-height: 50px;
    border-bottom:#eee solid 1px
}
.java-j .box ul li .t1{
    width:150px;
    padding-left: 30px;
}
.java-j .box ul li .t2{
    width: 300px;
}
.java-j .box ul li .t3{
    width: 300px;
}
.java-j .box ul li .t4{
    width: 200px;
    text-align: center;
    background: #b259fb;
    color: #fff;
}
.java-j .box ul li .t5{
    width: 200px;
    text-align: center;
}
.java-j .box ul li .b{
    font-weight: bold;
    font-size: 16px;
}
@media screen and (max-width: 1000px) {
    .java-content {
        width: 1200px;
        margin: 0 auto;
        display: table;
        overflow: hidden;
    }
}



