.top{
    width: 100%;
    min-width: 1200px;
    height: 520px;
    background: url(../images/bg.jpg) no-repeat;
    background-position: center center;
}
.header{
    background: transparent ;
}
.header .container .system-name{
    color: #ffffff;
}
.header .container .system-name:before{
    content: "";
    background: #ffffff;
}
.header .container .nav>ul>li>a{
    color: #ffffff;
}
.describe{
    overflow: hidden;
    float: left;
}
.describe>h1{
    font-size: 54px;
    color: #ffffff;
    line-height: 76px;
}
.describe>h2{
    font-size: 26px;
    line-height: 38px;
    color: #ffffff;
}
.des-img{
    width: 588px;
    height: 348px;
    float: right;
}
/* 通用标题 */
.tlt{
    width: 100%;
    height: 160px;
    overflow: hidden;
    
    position: relative;
}
.tlt>h1{
    font-size: 34px;
    line-height: 74px;
    font-weight: bold;
    text-align: center;
    padding: 0 40px;
    margin: 43px 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.tlt>h1:before{
    content: "";
    width: 24px;
    height: 28px;
    background: url(../images/tlt-bg.png) no-repeat;
    position: absolute;
    left: 0px;
    top: 50%;
    margin-top: -14px;
}
.tlt>h1:after{
    content: "";
    width: 24px;
    height: 28px;
    background: url(../images/tlt-bg.png) no-repeat;
    position: absolute;
    right: 0px;
    top: 50%;
    margin-top: -14px;
}
/* 六大功能 */
.list-wrap{
    width: 1200px;
    height: auto;
    overflow: hidden;
    margin-top: 32px;
}
.list-wrap .func-list{
    width: 1374px;
    height: auto;
    overflow: hidden;
}
.list-wrap .func-list>li{
    width: 288px;
    height: 330px;
    float: left;
    margin-right: 170px;
}
.list-wrap .func-list li .img-wrap{
    width: 99px;
    height: 99px;
    border-radius: 50%;
    background: rgba(255, 159, 0, .2);
    position: relative;
    margin: 0 auto;
}
.list-wrap .func-list li .img-wrap>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.list-wrap .func-list li h2{
    font-size: 22px;
    line-height: 80px;
    color: #020202;
    font-weight: bold;
    text-align: center;
}
.list-wrap .func-list li p{
    font-size: 14px;
    line-height: 24px;
    color: #434343;
}
/* 专业课程 */
.professional-lesson{
    width: 100%;
    min-width: 1200px;
    height: 746px;
    background: #f6f6f6;
}
.professional-lesson .content-left{
    width: 720px;
    height: auto;
    overflow: hidden;
    float: left;
}
.professional-lesson .content-left p{
    font-size: 14px;
    line-height: 30px;
    color: #000000;
}
.professional-lesson .content-left p:first-child{
    width: 660px;
    margin-bottom: 36px;
}
.professional-lesson .content-left p a{
    box-sizing: border-box;
    width: 100%;
    font-size: 16px;
    line-height: 40px;
    padding-left: 16px;
    position: relative;
}
.professional-lesson .content-left p a::before{
    content: "";
	box-sizing: border-box;
	-moz-box-sizing: border-box;
	-webkit-box-sizing: border-box;
	width: 5px;
	height: 5px;
	background: #000000;
	border: 2px solid #000000;
	border-radius: 50%;
	position: absolute;
	left: 5px;
	top: 17px;
}
.professional-lesson .content-left p a:hover{
    color: #ff9f00;
}
.professional-lesson .content-left p a:hover::before{
    content: "";
    border-color: #ff9f00;
    background-color: #ff9f00;
}
.lesson-list{
    overflow: hidden;
    margin-top: 40px;
}
.lesson-list>li{
    width: 180px;
    height: 200px;
    margin: 0 20px;
    float: left;
}
.lesson-list>li>.img-wrap{
    width: 180px;
    height: 150px;
    position: relative;
}
.lesson-list>li>.img-wrap>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.lesson-list>li>h3{
    text-align: center;
}
.professional-lesson .content-right{
    width: 430px;
    height: 500px;
    margin-top: 10px;
    float: right;
}
/* 特点 */
.characters{
    width: 100%;
    min-width: 1200px;
    height: 1125px;
}
.characters .characters-list{
    width: 1200px;
    height: 270px;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    margin-top: 30px;
    margin-bottom: 65px;
}
.characters .characters-list>li{
    width: 218px;
    height: 270px;
}
.characters .characters-list .character-item .img-wrap{
    width: 112px;
    height: 112px;
    background: url(../images/char-bg.png) no-repeat;
    margin: 0 auto;
    margin-bottom: 18px;
    position: relative;
}
.characters .characters-list .character-item .img-wrap>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.characters .characters-list .character-item h2{
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    line-height: 36px;
    margin-bottom: 5px;
}
.characters .characters-list .character-item p{
    font-size: 14px;
    color: #434343;
    line-height: 24px;
    text-align: center;
}
.characters .char-abs{
    box-sizing: border-box;
    width: 100%;
    min-width: 1200px;
    height: 600px;
    padding: 85px 0 95px 0;
    background: url(../images/char-bg2.jpg) no-repeat;
    background-position: center center;
}
.characters .char-abs .container .abs-content-left{
    width: 537px;
    height: 420px;
    position: relative;
    float: left;
}
.characters .char-abs .container .abs-content-left:after{
    content: "";
    height: 420px;
    width: 1px;
    background: #000000;
    position: absolute;
    top: 0;
    right: 0;
}
.characters .char-abs .container .abs-content-left>p{
    font-size: 40px;
    font-weight: bold;
    color: #000000;
    line-height: 58px;
    text-indent: 32px;
}
.characters .char-abs .container .abs-content-left>p:first-child{
    margin-top: 135px;
}
.characters .char-abs .container .abs-content-right{
    width: 663px;
    height: 420px;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: space-around;
}
.characters .char-abs .container .abs-content-right>li{
    box-sizing: border-box;
    width: 100%;
    height: 102px;
    padding-left: 60px;
}
.characters .char-abs .container .abs-content-right>li>div{
    height: 102px;
    float: left;
    overflow: hidden;
}
.characters .char-abs .container .abs-content-right>li>div:first-child{
    width: 101px;
    height: 102px;
    margin-right: 26px;
}
.characters .char-abs .container .abs-content-right>li>div>h2{
    font-size: 22px;
    font-weight: bold;
    color: #000000;
    line-height: 32px;
    margin-top: 15px;
}
.characters .char-abs .container .abs-content-right>li>div>p{
    font-size: 14px;
    color: #4b4c4c;
    line-height: 28px;
}
.promise{
    width: 100%;
    min-width: 1200px;
    height: 423px;
}
.promise .container .promise-list{
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
}
.promise .container .promise-list>li{
    width: 200px;
    height: 180px;
}
.promise .container .promise-list>li>div{
    width: 88px;
    height: 88px;
    border-radius: 20px;
    box-shadow: 0 0 20px #bbbbbb;
    margin: 20px auto;
    position: relative;
}
.promise .container .promise-list>li>div>img{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.promise .container .promise-list>li>h2{
    font-size: 16px;
    text-align: center;
    line-height: 32px;
}