.about_new, .about_new img {
    height: auto;
    width: 100%
}

.about_new h1, .fifthFloor, .fourthFloor, .secondFloor, .thirdFloor {
    padding-top: 80px
}

.fifthFloor, .fifthFloor ul li, .fourthFloor, .secondFloor, .thirdFloor {
    box-sizing: border-box
}

.about_new h1 {
    padding-bottom: 22px;
    font-size: 40px;
    color: #fff;
    text-align: center
}

.about_new p {
    font-size: 18px;
    line-height: 26px;
    color: #fff;
    text-align: center
}

.section_title {
    color: #2f2f2f;
    text-align: center
}

.section_title h3 {
    font-size: 38px;
    margin-bottom: 30px;
    line-height: 38px
}

.section_title p {
    font-size: 18px;
    line-height: 26px
}

.secondFloor {
    width: 100%;
    height: 1540px
}

.secondFloor .content1 {
    width: 1135px;
    height: 638px;
    background: url(../images/aboutus/pic1-cccb846e90.jpg) center center no-repeat;
    margin: 0 auto 100px;
    position: relative
}

.secondFloor .content1 .con_item {
    position: absolute;
    height: 72px
}

.secondFloor .content1 .con_item p {
    font-size: 16px;
    line-height: 24px;
    color: #2f2f2f;
    position: absolute;
    top: 24px
}

.secondFloor .content1 .con_item a {
    display: block;
    position: absolute;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background-color: rgba(47, 47, 47, .8);
    background-image: url(../images/aboutus/icons-d80b48cc47.png);
    background-repeat: no-repeat;
    background-position: center;
    top: 0
}

.secondFloor .content1 .con_item a:hover {
    background-color: #2f7cd3
}

.secondFloor .content1 .con_item .ci_line {
    display: block;
    height: 1px;
    left: 138px;
    top: 50%;
    position: absolute;
    background: #ccc
}

.secondFloor .content1 .con_item .ci_line:before {
    content: ' ';
    display: block;
    position: absolute;
    width: 5px;
    height: 5px;
    background-color: #ccc;
    top: -2px;
    border-radius: 50%
}

.secondFloor .content1 .con_item1 {
    top: 56px;
    width: 392px
}

.secondFloor .content1 .con_item1 a {
    background-position: -216px 0
}

.secondFloor .content1 .con_item1 .ci_line {
    width: 180px
}

.secondFloor .content1 .con_item1 .ci_line::before {
    left: -4px
}

.secondFloor .content1 .con_item2 {
    top: 200px;
    width: 432px
}

.secondFloor .content1 .con_item2 a {
    background-position: -288px 0
}

.secondFloor .content1 .con_item2 p {
    left: 30px
}

.secondFloor .content1 .con_item2 .ci_line {
    width: 222px
}

.secondFloor .content1 .con_item2 .ci_line::before {
    left: -4px
}

.secondFloor .content1 .con_item3 {
    top: 270px;
    width: 604px
}

.secondFloor .content1 .con_item3 a {
    background-position: 0 0
}

.secondFloor .content1 .con_item3 p {
    left: 17px
}

.secondFloor .content1 .con_item3 .ci_line {
    width: 394px
}

.secondFloor .content1 .con_item3 .ci_line::before {
    left: -4px
}

.secondFloor .content1 .con_item4 {
    top: 372px;
    width: 330px
}

.secondFloor .content1 .con_item4 a {
    background-position: -432px 0
}

.secondFloor .content1 .con_item4 p {
    left: 12px
}

.secondFloor .content1 .con_item4 .ci_line {
    width: 120px
}

.secondFloor .content1 .con_item4 .ci_line::before {
    left: -4px
}

.secondFloor .content1 .con_item5 {
    top: 126px;
    width: 286px
}

.secondFloor .content1 .con_item5 a {
    background-position: -360px 0
}

.secondFloor .content1 .con_item5 p {
    right: 20px
}

.secondFloor .content1 .con_item5 .ci_line {
    width: 98px;
    left: 74px
}

.secondFloor .content1 .con_item5 .ci_line::before {
    right: -4px
}

.secondFloor .content1 .con_item6 {
    top: 266px;
    width: 386px
}

.secondFloor .content1 .con_item6 a {
    background-position: -72px 0
}

.secondFloor .content1 .con_item6 p {
    right: -45px
}

.secondFloor .content1 .con_item6 .ci_line {
    width: 198px;
    left: 74px
}

.secondFloor .content1 .con_item6 .ci_line::before {
    right: -4px
}

.secondFloor .content1 .con_item7 {
    top: 368px;
    width: 386px
}

.secondFloor .content1 .con_item7 a {
    background-position: -144px 0
}

.secondFloor .content1 .con_item7 p {
    right: -56px
}

.secondFloor .content1 .con_item7 .ci_line {
    width: 198px;
    left: 74px
}

.secondFloor .content1 .con_item7 .ci_line::before {
    right: -4px
}

.secondFloor ul {
    width: 1200px;
    height: 430px;
    font-size: 0;
    margin: 50px auto 0
}

.secondFloor ul li:nth-child(1), .secondFloor ul li:nth-child(2) {
    margin-right: 15px
}

.secondFloor ul li {
    width: 390px;
    height: 430px;
    display: inline-block;
    overflow: hidden
}

.secondFloor ul li .imgTopWrap {
    width: 390px;
    height: 350px;
    overflow: hidden
}

.secondFloor ul li .imgTop {
    width: 390px;
    height: 350px;
    transition: all ease .6s
}

.secondFloor ul li .imgBottom {
    width: 390px;
    height: 80px;
    font-size: 18px;
    color: #fff;
    position: relative
}

.secondFloor ul li .imgBottom p {
    position: absolute;
    top: 30px;
    right: 120px
}

.secondFloor ul li:nth-child(1) .imgTop {
    background: url(../images/aboutus/secondFloor2_01-de85627594.jpg) center center no-repeat
}

.secondFloor ul li:nth-child(1) .imgBottom {
    background: url(../images/aboutus/secondFloor2_11-18509384c6.jpg) center center no-repeat
}

.secondFloor ul li:nth-child(2) .imgTop {
    background: url(../images/aboutus/secondFloor2_02-ab541d4850.jpg) center center no-repeat
}

.secondFloor ul li:nth-child(2) .imgBottom {
    background: url(../images/aboutus/secondFloor2_12-0e46e2582f.jpg) center center no-repeat
}

.secondFloor ul li:nth-child(2) .imgBottom p {
    right: 92px
}

.secondFloor ul li:nth-child(3) .imgTop {
    background: url(../images/aboutus/secondFloor2_03-adc1194b5f.jpg) center center no-repeat
}

.secondFloor ul li:nth-child(3) .imgBottom {
    background: url(../images/aboutus/secondFloor2_13-5b2f051136.jpg) center center no-repeat
}

.position_left {
    left: 0;
    text-align: right
}

.position_right {
    right: 0
}

.thirdFloor {
    width: 100%
}

.thirdFloor ul {
    margin-top: 50px
}

.thirdFloor ul li {
    width: 33.33%;
    float: left;
    font-size: 0;
    position: relative
}

.thirdFloor ul li a {
    display: block;
    width: 100%;
    height: 100%
}

.thirdFloor ul li a img {
    width: 100%
}

.thirdFloor ul li p {
    width: 100%;
    text-align: center;
    font-size: 16px;
    color: #fff;
    position: absolute;
    left: 0;
    bottom: 2.6%
}

.thirdFloor ul li:nth-child(1), .thirdFloor ul li:nth-child(2), .thirdFloor ul li:nth-child(3), .thirdFloor ul li:nth-child(4), .thirdFloor ul li:nth-child(5), .thirdFloor ul li:nth-child(6) {
    background-size: cover
}

.fourthFloor {
    width: 100%;
    height: 727px;
    background: url(../images/aboutus/fourthFloor-e48f0a0080.png) center center no-repeat
}

.fifthFloor {
    width: 100%;
    height: 762px;
    background-color: #fafafa
}

.fifthFloor ul {
    width: 1200px;
    height: 480px;
    font-size: 0;
    margin: 80px auto 0
}

.fifthFloor ul li {
    width: 390px;
    height: 400px;
    display: inline-block;
    padding: 0 22px;
    vertical-align: top;
    position: relative
}

.fifthFloor ul li:nth-child(1) {
    background: url(../images/aboutus/fifthFloor_01-0c930d487c.png) center center no-repeat;
    margin-right: 14px;
    padding-top: 178px
}

.fifthFloor ul li:nth-child(2) {
    background: url(../images/aboutus/fifthFloor_02-79bb5ef08a.png) center center no-repeat;
    margin-right: 14px
}

.fifthFloor ul li:nth-child(3) {
    background: url(../images/aboutus/fifthFloor_03-e1b89c4990.png) center center no-repeat
}

.fifthFloor ul li .centerText {
    width: 310px;
    height: 60px;
    margin: 0 auto;
    background-color: #202530;
    filter: alpha(opacity=90);
    -moz-opacity: .9;
    opacity: .9;
    font-size: 28px;
    color: #fff;
    line-height: 60px;
    text-align: center
}

.fifthFloor ul li p {
    font-size: 16px;
    color: #ccc;
    line-height: 24px;
    position: absolute;
    top: 310px
}

#about_expert {
    background-color: #fff
}

#about_expert h1 {
    padding-top: 70px;
    font-size: 40px;
    color: #2f2f2f;
    text-align: center
}

#about_expert ul {
    width: 1200px;
    margin: 70px auto 0
}

#about_expert ul li {
    width: 33.3%;
    float: left
}

#about_expert ul li .icon {
    display: block;
    margin: 0 auto 20px;
    background: url(../images/aboutus/expert_icons-56c9293462.png) center no-repeat
}

#about_expert ul li .title {
    font-size: 18px;
    font-weight: 400;
    color: #2f2f2f;
    text-align: center;
    line-height: 1.4
}

#about_expert ul li .expert_content {
    font-size: 18px;
    font-weight: 400;
    color: #7c7c7c;
    text-align: center;
    line-height: 1.4
}

#certificate h1, #certificate p {
    color: #2f2f2f;
    text-align: center
}

#about_expert ul li:nth-child(1) i {
    width: 62px;
    height: 74px;
    background-position: 0 9px
}

#about_expert ul li:nth-child(2) i {
    width: 65px;
    height: 74px;
    background-position: -149px 0
}

#about_expert ul li:nth-child(3) i {
    width: 64px;
    height: 74px;
    background-position: -74px 5px
}

#about_expert img {
    display: block;
    margin: 70px auto 130px
}

#certificate {
    background-color: #fafafa;
    padding-bottom: 180px
}

#certificate h1 {
    padding-top: 80px;
    margin-bottom: 20px;
    font-size: 40px
}

#certificate p {
    margin-bottom: 100px;
    font-size: 18px
}

#certificate ul {
    display: block;
    width: 1196px;
    margin: 0 auto;
    background-color: #fff;
    border-left: 1px solid #dbdbdb;
    border-top: 1px solid #dbdbdb
}

#certificate ul li {
    float: left;
    width: 238px;
    height: 198px;
    border-right: 1px solid #dbdbdb;
    border-bottom: 1px solid #dbdbdb;
    position: relative;
    display: flex;
    justify-content: center; /* 水平居中 */
    align-items: center;     /* 垂直居中 */
}

#certificate ul li img {
}

#certificate ul li:nth-child(1) img {
    width: 69px;
    height: 53px;
}

#certificate ul li:nth-child(2) img {
    width: 72px;
    height: 55px;
}

#certificate ul li:nth-child(3) img {
    width: 140px;
    height: 39px;
}

#certificate ul li:nth-child(4) img {
    width: 74px;
    height: 70px;
}

#certificate ul li:nth-child(5) img {
    width: 123px;
    height: 42px;
}

#certificate ul li:nth-child(6) img {
    width: 88px;
    height: 82px;
}

#certificate ul li:nth-child(7) img {
    width: 42px;
    height: 66px;
}

#certificate ul li:nth-child(8) img {
    width: 71px;
    height: 71px;
}

#certificate ul li:nth-child(9) img {
    width: 82px;
    height: 82px;
}

#certificate ul li:nth-child(10) img {
    width: 160px;
    height: 39px;
}
#certificate ul li:nth-child(11) img {
    width: 112px;
    height: 80px;
}
#certificate ul li:nth-child(12) img {
    width: 80px;
    height: 80px;
}
#certificate ul li:nth-child(13) img {
    width: 100px;
    height: 80px;
}