.footer2{background:#2B3D51; color:#fff; padding:20px 0; position:relative; overflow:hidden;}
.footer2 .f_logo{float:left;width:187px; text-align:center; font-size:16px; font-weight:bold;}
.footer2 .f_contact{float:left; margin-left:20px; padding-left:20px; border-left:1px solid #fff; height:100px; text-align:left; line-height:25px;}
.footer2 .f_contact img{margin-right:5px; vertical-align:middle;}
.footer2 .bootico{float:right; width:535px;; text-align:center; }
.footer2 .bootico img{ margin-left:8px; margin-right:8px; margin-bottom:10px;}
img{ border:none;}
.w1170{width:1170px; margin:0 auto; clear:both;}

/* 公司历程 */
.youshi_box {
    float: left;
    width: 100%;
    height: 440px;
    background: url("../images/aboutUs_img2.png");
    background-size: 100% 100%;
}
.youshi {
    width: 1200px;
    height: 440px;
    margin: 0 auto;
    text-align: center;
}

.youshi_title {
    float: left;
    width: 100%;
    height: 200px;
    text-align: center;
    /* opacity: 0; */
}

.youshi_title_p1 {
    margin: 55px 0 10px 0;
}
.youshi_title_span1 {
    color: #000;
    font-weight: bold;
    font-size: 22px;
}
.youshi_title_span2 {
    color: #646464;
    font-size: 14px;
}
.youshi_p1 {
    float: left;
    width: 100%;
    margin: 15px 0 60px 0;
    font-size: 16px;
}
.you_p1 p {
    text-align: center;
}

.youshi_menu {
    float: left;
    width: 100%;
    height: auto;
}

.youshi_list {
    float: left;
    list-style: none;
    width: 550px;
    height: 75px;
    text-align: left;
    font-size: 16px;
    /* opacity: 0; */
}
.youshi_list:nth-child(2n+2) {
    float: right;
}
.youshi_list_p1 {
    float: left;
    width: 100%;
    height: 75px;
    display: flex;
    align-items: center;
}
.youshi_list_p1 img {
    float: left;
    margin-right: 12px;
}
.youshi_list_p1 span {
    float: left;
    font-weight: bold;
}
.youshi_list_p1 p{
    margin: 0;
}

/* 关于我们css */

.footer_1 {
    height: 200px;
    background-color: #21b4f5;
    margin-bottom: 30px;
}
.footer_2 {
    height: 80px;
    background-color: #101010;
}
.footer_1 .border div:last-child {
    border-right: 0;
}
.footer_1_list {
    width: 25%;
    border-right: 1px solid #fff;
    box-sizing: border-box;
    float: left;
    height: 150px;
    margin: 25px 0;
    color: #fff;
}
.footer_1_list p {
    text-align: center;
    margin-top: 15px;
}
.footer_1_list p span{
    display: inline-block;
    font-size: 24px;
    height: 40px;
    line-height: 40px;
    position: relative;
    margin-left: 10px;
}
.footer_1_list>span {
    display: block;
    width: 220px;
    text-align: center;
    margin: 0 auto;
}