*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: '微软雅黑';
}

li{
    list-style: none;
}
a{
    text-decoration: none;
    color: #000;
}
body{
    width: 100%;
    height: auto;
    background-color: #f7faff;
    max-width: 1920px;
    margin: 0 auto;
}
.content_youShi .swiper-wrapper{
    display: none ;
}

header{
    width: 100%;
    height: 620px;
    background-image: url(img/banner.png);
    background-repeat: no-repeat;
    background-size: 100% ;
}
header>nav{
    width: 1200px;
    height: 84px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* background-color: cornflowerblue; */
}
header>nav>p{
    font-size: 24px;
    color: #fff;
    font-family: '黑体';
}
header>nav>ul{
    display: flex;
    justify-content: flex-end;
    width: 800px;
}
header>nav>ul>li{
    margin-left: 50px;
    padding-top: 8px;
    font-size: 16px;
}
header>nav>ul>li>a{
    color: #fff;
    margin-bottom: 8px;
    display: block;
}
header>nav>ul>li::after{
    width: 0%;
    height: 1px;
    background-color: #fff;
    display: block;
    content: '';
    margin: 0 auto;
    transition:all 0.3s;
}
header>nav>ul>li:hover:after{
    width: 100%;
}
header> .banner_content{
    width: 1200px;
    height: auto;
    padding-top: 80px;
    margin: 0 auto;
    color: #fff;
    font-size: 16px;
}
.banner_content>p:nth-child(1){
    font-size: 36px;
    font-family: '黑体';
}
.banner_content>p:nth-child(2){
    font-family: '黑体';
    margin: 50px 0;
    width: 375px;
    line-height: 25px;
}
.banner_content>p:nth-child(3){
    color: rgba(255,255,255,0.8);
}
.banner_content>a{
    display: flex;
    color: #fff;
    width: 170px;
    height: 50px;
    justify-content: center;
    align-items: center;
    background-image: linear-gradient(to right,#ff7e00,#ffa906);
    border-radius: 5px;
    margin-top: 50px;
}
article{
    width: 100%;
}
article .content_title{
    width: 100%;
    font-size: 36px;
    margin-bottom: 50px;
    text-align: center;
}
article .content_youShi{
    width: 100%;
    height: auto;
    background-color: #fff;
    padding:50px 0;
}
.content_youShi>ul{
    width: 1200px;
    height: auto;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.content_youShi>ul>li{
    width: 370px;
    height: 330px;
    border-radius: 10px;
    border-style: solid;
    border-width: 1px;
    display: flex;
}
.content_youShi>ul>li:nth-child(1){
    border-color: #11c6c5;
}
.content_youShi>ul>li:nth-child(2){
    border-color: #fd8198;
}
.content_youShi>ul>li:nth-child(3){
    border-color: #05baff;
}
.content_youShi>ul>li div{
    margin: auto;
    text-align: center;
}
.content_youShi>ul>li div img{
    width: 84px;
}
.content_youShi>ul>li div p{
    font-size: 24px;
    margin:20px auto 10px;
    /* font-family: '黑体'; */
}
.content_youShi>ul>li div span{
    color: #7a7a7a;
    font-size: 18px;
    display: block;
    margin-bottom: 5px;
}
article .content_liuCheng{
    width: 100%;
    height: auto;
    padding: 50px 0;
}
.content_liuCheng>div{
    width: 1140px;
    height: 660px;
    background-color: #fff;
    box-shadow:0px 4px 8px 0px rgba(204,204,204,0.31);
    border-radius:20px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
article .content_yingXiao{
    width: 100%;
    height: auto;
    padding:50px 0;
    background-color: #fff;
    background-image: url(img/yingXiao.png);
    background-size: 373px 268px;
    background-repeat: no-repeat;
    background-position: center;
}
.content_yingXiao>div{
    display: flex;
    height: auto;
    justify-content: space-between;
    margin: 0 auto;
}
.content_yingXiao>div:nth-child(2){
    width: 1060px;
}
.content_yingXiao>div:nth-child(3){
    width: 1200px;
    margin: 20px auto;
}
.content_yingXiao>div:nth-child(4){
    width: 940px;
}
.content_yingXiao .box_yingXiao{
    width: 350px;
    height: 180px;
    border: 1px solid #000;
    border-radius: 16px;
}
.content_yingXiao .box_yingXiao>div:first-child{
    padding: 30px 25px 15px;
    color: #333;
    font-size: 18px;
    display: flex;
    align-items: center;
}
.content_yingXiao .box_yingXiao img{
    width: 26px;
    height: 26px;
    margin-right: 12px;
}
.content_yingXiao .box_yingXiao>div:last-child{
    color: #666;
    font-size: 14px;
    width: 224px;
    line-height: 22px;
    margin: 0 auto;
}
.free_btn{
    width: 155px;
    height: 46px;
    background-color: #31cdcd;
    border-radius: 46px;
    display: flex;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
    justify-content: center;
    align-items: center;
    font-size: 22px;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
}
.free_btn>a{
    color: #fff;
}
article .content_xiTong{
    width: 100%;
    height: auto;
    padding: 50px 0;
}
.content_xiTong .box_xiTong{
    width: 1200px;
    height: auto;
    padding: 0 60px;
    display: flex;
    margin: 0 auto;
    justify-content: space-between;
}
.box_xiTong>ul{
    width: 420px;
    padding-top: 120px;
    
}
.box_xiTong>ul>li:nth-child(1){
    color: #333;
    font-size: 26px;
    margin-bottom: 50px;
}
.box_xiTong>ul>li:nth-child(2){
    color: #333;
    font-size: 18px;
    margin-bottom: 70px;
}
.box_xinTong .xiTongImg{
    width: 50%;
    display: flex;
}
.box_xinTong .xiTongImg img{
    margin: auto;
}
article .content_gongJu{
    width: 1200px;
    height: auto;
    padding: 40px 0;
    margin: auto;
}
.content_gongJu>ul{
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.content_gongJu>ul>li{
    width: 220px;
    height: 220px;
    box-shadow: 0 0 10px rgba(181,181,181,0.5);
    margin-bottom:16px ;
    margin-right: 20px;
}
.content_gongJu>ul>li p{
    text-align: center;
    line-height: 50px;
    font-size: 22px;
    color: #333;
}
article .content_youShi2{
    width: 100%;
    height: auto;
    padding: 40px 0;
    margin: 0 auto;
    background-color: #fff;
}
.content_youShi2>ul{
    width: 890px;
    margin: 0 auto;

}
.content_youShi2>ul>li{
    list-style: disc;
    line-height: 36px;
    font-size: 24px;
    border-bottom: 1px solid #eee;
    padding: 15px 0;
}
.content_youShi2>ul>li>p{
    color: #777;
    font-size: 16px;
}
.content_youShi2>ul>li:nth-child(1){
    color: #258EF9;
}
.content_youShi2>ul>li:nth-child(2){
    color: #FD5670;
}
.content_youShi2>ul>li:nth-child(3){
    color: #FA9C44;
}   
.content_youShi2>ul>li:nth-child(4){
    color: #17A91E;
}
.content_youShi2>ul>li:nth-child(5){
    color: #985CF9;
    border-bottom: none;
}
@media only screen and (max-width:720px){
    header{
        background-image: none;
        height: auto;
    }
    header>nav{
        width: 100%;
        height: 1.4rem;
        background-color: rgba(255, 255, 255, 1);
        padding: 0 0.5rem;
        position: relative;

    }
    header>nav>.nav_btn{
        width: 0.8rem;
        height: 0.1rem;
        border-radius:10px;
        background-color: rgb(77, 76, 76);
        display: block;
        position: relative;
        transition: all 0.3s;
    }
    .content_youShi .swiper-wrapper{
        display: block;
    }
    .nav_btn::after{
        width: 100%;
        height: 100%;
        border-radius:10px;
        background-color: rgb(77, 76, 76);
        display: block;
        content: '';
        position: absolute;
        top: 0.25rem;
        left: 0;
        transform-origin: 50% 50%;
        transition: all 0.3s;
    }
    .nav_btn::before{
        width: 100%;
        height: 100%;
        border-radius:10px;
        background-color: rgb(77, 76, 76);
        display: block;
        content:'';
        position: absolute;
        bottom: 0.25rem;
        left: 0;
        transform-origin: 50% 50%;
        transition: all 0.3s;
    }
    .af{
        background-color: #fff !important;
        transition: all 0.3s;
    }
    .af::after{
        transform: rotate(45deg);
        top: 0;
        transition: all 0.3s;
    }
    .af::before{
        transform: rotate(-45deg);
        bottom: 0;
        transition: all 0.3s;

    }
    header>nav>ul{
        display: none;
        background-color: #fff;
        color: #747474;
        position: absolute;
        top: 1.4rem;
        left: 0;
        /* display: block; */
        width: 100%;
        height: auto;
        z-index: 10;
    }
    header>nav>ul>li{
        margin: 0.4rem auto;
        text-align: center;
        padding-top: 0;
    }
    header>nav>ul>li>a{
        color: #747474;
        margin-bottom: 0;
    }
    header>nav>p{
        font-size: 0.5rem;
        color: #747474;
    }
    header> .banner_content{
        width: 100%;
        height: 4.1rem;
        background-color: royalblue;
        background-image: url(img/banner.png);
        background-size: 100% 100%;
        padding: 0.3rem;
        font-size: 0.3rem;
    }
    .banner_content>p:nth-child(1){
        font-size: 0.7rem;
        margin-bottom: 0.3rem;
    }
    .banner_content>p:nth-child(2){
        width: 100%;
        margin: 0.3rem auto;
        line-height: 18px;
    }
    article .content_title{
        font-size: 0.76rem;
    }
    .content_youShi>ul{
        width: 100%;
    }
}