*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html, body {
  position: relative;
  height: 100%;
}
body {
  background: #F7F7F7;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color:#000;
  margin: 0;
  padding: 0;
}

a{
    color: #333333;
    text-decoration: none;
}  
ul,li{
    list-style: none;
}
.pic{
    width: 100%;
    height: 100%;
}

.index-container{ 
    width: 100%;
    min-width: 1440px;
    height: 4600px;
    margin: 0 auto ;
    
    background-color: #F5F6FA;
}

/* 顶部导航栏 */
.header{
    width: 100%;
    height: 80px;
    background-color: #F5F7FA;
}
.header-container{
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    justify-content: space-between;
    align-items: center;
    width: 1440px;
    height: 80px;
    margin: auto;
}
.logo-box{
    width: 321px;
    height: 50px;
}
.logo-img{
    width: 100%;
    height: 100%;
}
.navigator-container{
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;   
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;    
    height: 100%;
}
.navigator-list{
    position: relative;
    height: 100%;
    line-height: 80px;
    margin-left: 30px;
    font-size: 16px;   
    color: #333333;
}
.arrow-bottom::after{
    display: inline-block;
    content: "";
    width: 12px;
    height: 8px;
    margin-left: 3px;
    background: url('../images/bottom2.png') no-repeat 0 0;  
    background-size: 12px 16px;

}

.navigator-list:hover .navigator-list-til{
    color: #FF9600;
}
.navigator-list:hover .secondary-menu{
    z-index: 2;
}
.navigator-list:hover .arrow-bottom::after{
    background: url('../images/bottom2.png') no-repeat 0 -8px;
}
.secondary-menu{
    position: absolute;
    left: -13px;
    top: 80px;
    width: 110px;
    background-color: #fff;
    
}
.secondary-menu-list{
    width: 100%;
    height: 42px;
    padding-left:13px;
    line-height: 42px;
    background-color: #fff;
}
.secondary-menu-list a{
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #333333;
}
.secondary-menu-list:hover{
    background-color: #FF9600;
}
.secondary-menu-list:hover a{
    color:#fff;
}

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

/* 关于我们banner */
.about-banner{
    position: relative;
    width: 100%;
    min-width: 1920px;
    height: 380px;
    margin-left: 50%;
    transform: translateX(-50%);     
}
.about-banner-text{
    position: absolute;
    left: 50%;
    top: 126px;
    transform: translateX(-50%);    
}
.about-banner-text-ch{
    font-size: 38px;
    font-family: Alibaba PuHuiTi;
    font-weight: 400;
    color: #FFFFFF;
}
.about-banner-text-en{
    margin-top: 7px;
    font-size: 14px;
    font-family: Alibaba PuHuiTi;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
    letter-spacing:6px
}   
.about-banner-line{
    width: 30px;
    height: 3px;
    margin: 18px auto 0;
    background-color: #FF9D24;
}
.about-tab{
    display: flex;
    position: absolute;
    left: 50%;
    bottom: 0;
    height: 54px;
    padding: 0 200px;
    transform: translateX(-50%);    
    background-color: #fff;
    line-height: 54px;
    border-bottom: 1px solid #E8E8E8;
    box-sizing: border-box;
}
.about-tab-list{
    position: relative;
    width: 200px;
    height: 100%;
    text-align: center;   
    cursor:pointer;
}

.active{
    color: #FF9600;   
}
.tab-line{
    position: absolute;
    left: 50%;
    bottom: -1px;  
    transform: translateX(-50%);   
    display: none;  
    width: 61px;
    height: 1px;  
    background-color: #FF9600; 
}

/* 详情介绍 */
.about-tab-container{
    width: 1180px;
    background-color: #fff;
    margin-bottom: 62px;
}
.about-tab-con{
    display: none;
    padding-top:37px ;
}
.tab-con-til{
    margin-left:40px;
    font-size: 28px;
    font-family: Alibaba PuHuiTi;
    font-weight: bold;
    color: #333333;
}
/* 发展历程 */
.development-history-container{
    width: 941px;
    margin:20px auto 0px;
}
.development-history-year{
    font-size: 24px;
    font-family: Alibaba PuHuiTi;
    font-weight: bold;
    color: #333333;
    text-align: center;
}
.development-history-list{
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    margin-top: 6px;   
}
.development-history-list-left{
    width: 471px;
    min-height: 312.8px;
    padding: 34px 43px 39px 0px;
    border-right: 1px dashed #a1acbe;
}
.history-list-img{
    width: 420px;
    height: 240px;   
}
.development-history-list-right{
    width: 470px;
    min-height: 312.8px;
    padding: 34px 0px 39px 50px;
    
}
.history-list-text{
    width: 425px;
    
}
.history-list-text-line{
    margin-bottom: 25px;
    list-style: disc;    
    font-size: 14px;
    font-family: Alibaba PuHuiTi;
    font-weight: 400;
    color: #333333;
    line-height: 18px;
}
.history-list-text-line:last-child{
    margin-bottom: 0px;
}
.spot{
    width: 11px;
    height: 11px;
    margin: 9px auto 6px;
    border-radius: 50%;
    background-color: #FF9600;
}

/* 底部信息栏 */
.footer{   
    width: 100%;
    background-color: #1F202C;    
}
.footer-container{
    width: 1290px;
    margin: 0 auto;
    padding-top: 27px;
}
.company-name{
    width: 248px;
    height: 39px; 
}
.footer-container-info{
    display: flex;
    width: 100%;
    margin-top: 30px;
}
.footer-info-item{
    width: 165px;
}
.info-item-til{
    margin-bottom: 25px;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
}

.info-item-list{
    margin-bottom: 20px;
}
.info-item-list a{   
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    opacity: 0.55;
}
.info-item-list a:hover{
    opacity: 1;
}
.footer-info-contact-item{
    width: 450px;

}
.info-contact-item-list{
    margin-bottom: 20px;
}
.contact-icon{
    width: 16px;
    height: 16px;
    vertical-align: bottom;
    margin-right: 6px;
}
.info-contact-item-list span{
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    opacity: 0.55;
}
.scan-code{
    width: 180px;
    height: 100%;
}
.scan-code-til{
    margin-bottom: 14px;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    text-align: center;
}
.scan-code-img{
    width: 180px;
    height: 180px;    
}
.copyright{
    width: 100%;
    height: 52px;
    border-top: 1px solid rgba(255,255, 255, .1);
    text-align: center;
    line-height: 52px;
    font-size: 14px;
    font-family: PingFang SC;
    font-weight: 400;    
    color: rgba(255,255, 255, .55);
}
.copyright a{
    color: rgba(255,255, 255, .55);    
}
.copyright a:hover{
    color: #FFFFFF;      
}