html{
      background-color: #fff;
      color: #000;
    }
header{
    height: 66px;
}
.w{
    width:980px;
    margin:0 auto;
} 
.logoBox{
    display: inline-flex;
    flex-direction: row;
    justify-content:space-between;
    margin-top: 10px;
}
.logoBox .logo img{
    width: 46px;
    height: 46px;
}
.logoBox .title{
    margin-left: 20px;
}
.logoBox .title h1{
    font-size: 22px;
    margin: 2px 0;
    font-weight: 400;
}
.logoBox .title span{
    font-size: 14px;
}
.headerBox{
    display: flex;
    flex-direction: row;
    justify-content:space-between;
}
.navBox nav a{
    font-size: 18px;
    padding: 0 25px;
    line-height: 80px;
    /*text-decoration:none;*/
    /*display: flex;
    flex-direction: row;*/
}
.bannerOne{
    height: 350px;
    background: url(../img/head2@2x.png)  center;
    background-repeat: no-repeat;
    display: flex;
}
.bannerOne section{
    width: 50%;
}
.bannerOne .sloganOne h2{
    font-size: 44px;
    color: rgb(255,216,0);
    font-weight: 400;
    margin-top: 70px;
}
.bannerOne .sloganOne p{
    font-size: 20px;
    color: #fff;
}
.startBtn{
    width: 150px;
    height: 40px;
    border: 0;
    border-radius: 6px;
    background-color: rgb(255,216,0);
    font-size: 20px;
    color: rgb(49,48,48);
    margin-top: 10px;
}
.bannerTwo{
    background-color: rgb(238,238,238);
}
.OLS{
    text-align: center;
}
.OLS h2{
    margin: 0;
    line-height: 120px;
    color: rgb(36,36,36);
    font-size: 28px;
    font-weight: 500;
}
.bannerTwoBox{
    display: flex;
}
.bannerTwoBox section{
    width: 50%;
}
.bannerTwoBox .bannerTwoRight{
    display: flex;
    flex-direction: row-reverse;
}
.bannerTwoLefe h3{
    font-size: 36px;
    font-weight: 400;
    margin-bottom: 50px;
}
.bannerTwoLefe p{
    font-size: 17px;
    color: rgb(56,56,56);
}
.line2 {
    width: 44px;
    border-bottom: 2px solid rgb(4,113,248);
    margin: 0 auto;
    margin-top: -30px;
}
 .meida_card_title p{
  font-size: 31px;
  text-align: center;
  line-height: 200px;
  letter-spacing:0.1em;
}
.media_model_list{
    overflow: hidden;
    padding: 0;
}
.media_model_list li{
  float: left;
  width: 290px;
  height: 340px;
  box-sizing: border-box;
  /*border: 1px solid rgb(218,218,218);
  border-radius: 8px;
  background-color: rgb(246,246,246);*/
  list-style: none;
  padding-top: 20px;
}
.media_model_list .margin{
  margin: 0 53.333333px;
}
.media_model_list .margin2{
  margin: 0 53.333333px 0 0;
}
.media_model_list li p{
  text-align: center;
}
.media_card_icon{
  line-height: 70px;
}
.media_card_con_big{
  font-size: 20px;
  line-height: 14px;
  /*margin-bottom: 20px;*/
}
.media_card_con{
  font-size: 14px;
  color: rgb(103,103,103);
  line-height: 6px;
}
.media_card_con_big2{
    margin-bottom: 36px;
}
.bannerFour{
    background-color: rgb(238,238,238);
    /*height: 230px;*/
}
.foot_box{
    display: flex;
    flex-direction: row;
}
.foot_box p {
    font-size: 14px;
    padding-right:  20px;
    color:rgb(103,103,103);
}
.intro,.contact,.bannerFourBox{
    width: 33.3333%;
}
.contact p {
    margin: 2px 0;
}
.bannerFourBox{
    display: flex;
    flex-direction: row;
    /*justify-content:center;*/
}
.bannerFourBox section{
    margin: 30px 20px;
}
.bannerFourBox section p {
    text-align: center;
    font-size: 14px;
    padding: 0;
}
footer{
    height: 60px;
    background-color: rgb(238,238,238);
    border-top: 1px solid rgb(162,161,161);
    line-height: 60px;
    text-align: center;
    color: rgb(110,110,110);
}
.nav .createtream_overlay{
    position: absolute;
    height: 100%;
    width:100%;
    background: rgba(0,0,0,0.6);
    visibility: hidden;
    top: 0px;
    z-index: 1000;
    text-align:center;
}
 
.nav .createtream_overlay .createtream_data{
    position: relative;
    width:450px;
    height: 450px;
    margin: 150px auto;
    background: #FEC06B;
    opacity: 1;   /* 背景半透明 */
    text-align:center;
    z-index: 1001;
}
 
.nav .createtream_overlay .createtream_data .treamTop{
    float: right;
}
.modal-header h4{
    margin-left: 20px;
}
.btn{
    width: 100px;
    height: 35px;
    border-radius: 5px;
    font-size: 16px;
    color: white;
    background-color: cornflowerblue;
}
.btn:hover, .btn:focus{
    background-color: #95b4ed;
}
.modal{
    display: none;
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    background-color: rgba(0,0,0,0.5);
}
.modal-body img{
    width: 321px;
    height: 268px;
    margin: 0 76px;
}
.modal-content{
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
    width: 500px;
    height: 380px;
    margin: 100px auto;
    border-radius:10px;
    background-color:#fff;
    -webkit-animation: zoom 0.6s;
    animation: zoom 0.6s;
    resize: both;
    overflow: auto;
}
@-webkit-keyframes zoom{
    from {-webkit-transform: scale(0)}
    to {-webkit-transform: scale(1)}
}
@keyframes zoom{
    from {transform: scale(0)}
    to {transform: scale(1)}
}
.modal-header{
    box-sizing:border-box;
    border-bottom:1px solid #ccc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.close{
    color: #b7b7b7;
    font-size: 30px;
    font-weight: bold;
    margin-right: 20px;
    transition: all 0.3s;
}
.close:hover, .close:focus{
    color: #95b4ed;
    text-decoration: none;
    cursor: pointer;
}
.modal-body{
    padding: 10px;
    font-size: 16px;
    box-sizing:border-box;
}
.modal-footer{
    box-sizing:border-box;
    border-top:1px solid #ccc;
    display: flex;
    padding: 15px;
    justify-content: flex-end;
    align-items: center;
}
.modal-footer button{
    width: 60px;
    height: 35px;
    padding: 5px;
    box-sizing: border-box;
    margin-right: 10px;
    font-size: 16px;
    color: white;
    border-radius: 5px;
    background-color: cornflowerblue;
}
.modal-footer button:hover, .modal-footer button:focus{
    background-color: #95b4ed;
    cursor: pointer;
}
@media only screen and (max-width: 700px){
    .modal-content {
        width: 80%;
    }
}
.window{
    display: block;
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    background-color: rgba(0,0,0,0.5);
}
.window .window-content{
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
    width: 70%;
    max-width: 500px;
    height: 100%;
    max-height: 800px;
    margin: 0 auto;
    border-radius:10px;
    -webkit-animation: zoom 0.6s;
    animation: zoom 0.6s;
    resize: both;
    overflow: auto; 
}
.window .popup-img img{
    width: 100%;
    height: 70%;
}
.popup-img .alook{
    display: block;
    width: 300px;
    height: 60px;
    position: relative;
    top: -88px;
    margin: 0 auto;
    -moz-border-radius: 15px; 
    -webkit-border-radius: 15px; 
    border-radius: 25px;
    font-size: 30px;
    font-weight: bold;
    line-height: 60px;
    text-align: center;
    color: #a117fe;
    background-color: #fde941;
}
.window .window-close{
    width: 30px;
    max-width: 30px;
    height: 30px;
    max-height: 30px;
    display: block;
}
.close2{
    display: block;
    width: 30px;
    max-width: 30px;
    height: 30px;
    max-height: 30px;
    border: 2px solid #ffffff;
    -moz-border-radius: 50%; 
    -webkit-border-radius: 50%; 
    border-radius:50%;           
    color: #ffffff;
    font-size: 24px;
    font-weight: bold;
    position: relative;
    top: -60px;
    left: 225px;
    transition: all 0.3s;
    text-align: center;
    line-height: 30px;
}
.close2:hover{
    color: #000;
    text-decoration: none;
    cursor: pointer;
}