/* 清除默认样式 */
html,body{
    margin:0;
    padding:0;
    font-size:20px;
}
ul,li,p{
    margin:0;
    padding:0;
    list-style: none;
}
a,a:link,a:visited,a:hover,a:active{
    text-decoration: none;
    color: inherit;
}

/* 公共样式 */
.text_left{
    text-align: left;
}
.text_right{
    text-align: right;
}
.sectionH_7{
    width:100%;
    height:700px;
    box-sizing: border-box;
    padding:50px 0;
}
.section_bg{
    background-color: #F6F7FA;
}
._mg3{
    margin-top:36px;
}
._mg7{
    margin-top:74px;
}
._mg9{
    margin-top:90px;
}
/* flex布局 */
.flexbox{
    display: flex;
  }
.flexbetween{
    justify-content: space-between;
}
.flexcenter{
    justify-content: center;
}
.flexleft{
    justify-content: flex-start;
}
.flexright{
    justify-content: flex-end;
}
.flexend{
    justify-content: flex-end;
}
.flexmiddle{
    align-items: center;
}
.flexbottom{
    align-items: flex-end;
}
.flextio{
    align-items: flex-start;
}
.flex{
    flex: 1
}
.flexaround{
    justify-content: space-around;
}

/* 手机
@media screen and (max-width:768px) {
   
}

平板
@media screen and (max-width:992px) {
    
}

pc:中等屏幕
@media screen and (max-width:1200px) {
   
} */

/* pc:大屏幕 */
.pd_con{
    width:1200px;
}

/* 合作伙伴 */
.parner_con{
    width:100%;
    height:580px;
}
.parner_con_box{
    flex-direction: column;
}
.parner_con_title{
    color:#333;
    font-size: 30px;
    padding-top:54px;
    padding-bottom: 32px;
}
.parnerbox{
    flex-wrap: wrap;
}