/********************************************************  banner  ***********************************************************/

.banner {
    width: 100%;
    height: 427px;
    background: url("../images/banner.png") center no-repeat;
}


/********************************************************  content  ***********************************************************/

.about_us {
    width: 100%;
    height: 734px;
    overflow: hidden;
}

.about_us .container {
    width: 1200px;
    height: 100%;
    padding: 55px 0 0 0;
    overflow: hidden;
    box-sizing: border-box;
}

.about_us .container .left,
.about_us .container .right {
    float: left;
    box-sizing: border-box;
}

.about_us .container .left {
    /* width: 840px; */
    height: 100%;
    font-size: 16px;
    padding: 0 60px;
}

.about_us .container .left h3,
h4 {
    font-weight: 700;
}

.about_us .container .left h3 {
    margin-bottom: 30px;
    color: #ff7800;
    font-size: 22px;
}

.about_us .container .left h4 {
    margin-bottom: 11px;
}

.about_us .container .left p {
    margin-bottom: 31px;
}

.about_us .container .right,
.about_us .container .right ul {
    width: 360px;
    height: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.about_us .container .right ul {}

.about_us .container .right li {
    width: 100%;
    height: 339.5px;
    text-align: right;
}

.about_us .container .right li a {
    display: inline-block;
    width: 100%;
    height: 100%;
}

.about_us .container .right .join_us {
    width: 149px;
    height: 37px;
    display: inline-block;
    background: url("../images/join_us_btn.png") center no-repeat;
    padding-right: 60px;
}

.about_us .container .right li img {
    margin: 20px 0 0 0;
}

.about_us .container .right p {
    color: #2D83F9;
    font-size: 21px;
    text-align: right;
    padding-right: 25px;
    letter-spacing: 2px;
}