.about_main {
    width: 100%;
    position: relative;
}

.about_one {
    width: 1284px;
    margin: 60px auto 0;
    display: flex;
    justify-content: center;
}

.about_one .one_main {
    display: flex;
    align-items: center;
}

.one_main .left {
    display: flex;
    align-items: center;
}

.one_main .left .triangle {
    width: 0;
    height: 0;
    border: 9px solid;
    border-color: transparent #002033 transparent transparent;
}

.one_main .left .circular_one {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 1);
    border-radius: 50%;
    margin-left: 8px;
}

.one_main .left .circular_two {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.6);
    border-radius: 50%;
    margin-left: 8px;
}

.one_main .left .circular_three {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.3);
    border-radius: 50%;
    margin-left: 8px;
}

.one_main .text {
    font-size: 25px;
    font-weight: bold;
    line-height: 43px;
    color: rgba(0, 0, 0, 1);
    padding: 0 15px;
}

.one_main .right {
    display: flex;
    align-items: center;
}

.one_main .right .triangle {
    width: 0;
    height: 0;
    border: 9px solid;
    border-color: transparent transparent transparent #002033;
}

.one_main .right .circular_one {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 1);
    border-radius: 50%;
    margin-right: 8px;
}

.one_main .right .circular_two {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.6);
    border-radius: 50%;
    margin-right: 8px;
}

.one_main .right .circular_three {
    width: 9px;
    height: 9px;
    background: rgba(0, 71, 113, 0.3);
    border-radius: 50%;
    margin-right: 8px;
}

.about_two {
    width: 1284px;
    margin: 40px auto 0;
    overflow: hidden;
}

.about_two .left {
    float: left;
    margin-left: 8px;
}

.about_two .right {
    position: relative;
    float: right;
    width: 849px;
    height: 229px;
    line-height: 41px;
    color: rgba(0, 0, 0, 1);
    font-size: 15px;
}

.about_two .right p:nth-child(1) {
    margin-top: -10px;
}

.about_three {
    width: 1284px;
    margin: 60px auto 0;
    overflow: hidden;
}

.about_three .three_title {
    display: flex;
    align-items: flex-start;
}

.about_three .three_title p:nth-child(1) {
    font-size: 60px;
    font-weight: bold;
    line-height: 50px;
    color: rgba(23, 75, 136, 1);
}

.about_three .three_title p:nth-child(2) {
    width: 220px;
    font-size: 16px;
    font-weight: bold;
    margin-left: 16px;
    line-height: 25px;
    color: rgba(0, 0, 0, 1);
}

.three_main {
    margin-top: 20px;
}

.item-box {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.item-box .left-item {
    display: flex;
    align-items: center;
}

.left-item .left-desc {
    margin-left: 15px;
}

.left-desc p:nth-child(2n + 1) {
    color: #174B88;
    font-size: 36px;
    font-weight: bold;
}

.left-desc p:nth-child(2n) {
    color: #585251;
    font-size: 20px;
    font-weight: bold;
}

.item-box .right-item {
    display: flex;
    align-items: center;
}

.right-item .right-desc {
    display: flex;
    margin-left: 15px;
    align-items: center;
    justify-content: space-between;
}

.right-desc .number {
    width: 100px;
    margin-right: 50px;
}

.number p:nth-child(2n + 1) {
    color: #174B88;
    font-size: 36px;
    font-weight: bold;
}

.right-desc img {
    margin-right: 50px;
}

.number p:nth-child(2n) {
    color: #585251;
    font-size: 20px;
    font-weight: bold;
}

.list-box {
    position: relative;
}

.list-box ul li {
    display: flex;
    margin-bottom: 11px;
}

.list-box ul li p {
    width: 82px;
    height: 60px;
    font-size: 36px;
    margin-right: 40px;
    line-height: 60px;
    text-align: center;
    font-weight: bold;
    color: rgba(23, 75, 136, 1);
}

.list-box ul li div {
    width: 322px;
    height: 40px;
    padding: 10px 0 10px 12px;
    background: rgba(23, 75, 136, 1);
    opacity: 1;
    font-size: 17px;
    font-weight: 400;
    line-height: 21px;
    color: rgba(255, 255, 255, 1);
}

.item-color .list-box ul li div {
    background: #176E88;
}

.item-color .list-box ul li p,
.item-color .left-desc p:nth-child(2n + 1),
.item-color .number p:nth-child(2n + 1) {
    color: #176E88;
}

.about_four {
    width: 1284px;
    margin: 60px auto 0;
}

.about_four h2 {
    font-size: 58px;
    font-weight: bold;
    line-height: 58px;
    color: rgba(179, 29, 51, 1);
}

.about_four .four_main {
    margin-top: 11px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.about_four .four-item {
    display: flex;
    align-items: center;
}

.four-item .four-desc {
    margin-left: 15px;
    line-height: 1.5;
}

.four-desc p:nth-child(1) {
    color: #B31D33;
    font-size: 30px;
    font-weight: bold;
}

.four-desc p:nth-child(2) {
    color: #585251;
    font-size: 20px;
    font-weight: bold;
}

.about_five {
    width: 1284px;
    margin: 60px auto 0;
}

.about_five img {
    width: 596px;
    height: 336px;
}

.about_five .five_top {
    height: 380px;
    position: relative;
}

.five_top img {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.five_top .text {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 792px;
    height: 343px;
    background: rgba(248, 249, 250, 1);
}

.five_top .text .big {
    width: 688px;
    height: 100%;
    float: right;
}

.five_top .text .triangle {
    width: 0;
    height: 0;
    border: 7px solid;
    border-color: transparent transparent transparent #002033;
    margin-left: 26px;
    margin-right: 13px;
}

.five_top .text .small {
    display: flex;
}

.five_top .text .small p {
    width: 620px;
    margin-top: -11px;
    font-size: 18px;
    font-weight: 400;
    line-height: 41px;
    color: rgba(0, 0, 0, 1);
}

.five_top .text .small:nth-child(1) {
    margin-top: 34px;
}

.five_top .text .small:nth-child(2) {
    margin-top: 8px;
}

.about_five .five_bottom {
    height: 500px;
    position: relative;
    margin-top: 60px;
}

.five_bottom img {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    height: 430px !important;
}

.five_bottom .text {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 792px;
    height: 437px;
    background: rgba(248, 249, 250, 1);
}

.five_bottom .text .big {
    width: 688px;
    height: 100%;
}

.five_bottom .text .triangle {
    width: 0;
    height: 0;
    border: 7px solid;
    border-color: transparent transparent transparent #002033;
    margin-left: 24px;
    margin-right: 13px;
}

.five_bottom .text .small {
    display: flex;
}

.five_bottom .text .small p {
    width: 620px;
    margin-top: -11px;
    font-size: 18px;
    font-weight: 400;
    line-height: 41px;
    color: rgba(0, 0, 0, 1);
    opacity: 1;
}

.five_bottom .text .big .small:nth-child(1) {
    margin-top: 32px;
}

.five_bottom .text .big .small:nth-child(2) {
    margin-top: 8px;
}

.about_six {
    width: 1284px;
    margin: 60px auto 0;
    overflow: hidden;
}

.about_six .left {
    float: left;
}

.about_six .left p:nth-child(1) {
    font-size: 40px;
    font-weight: bold;
    line-height: 60px;
    color: rgba(23, 75, 136, 1);
}

.about_six .left p:nth-child(2) {
    width: 525px;
    height: 84px;
    font-size: 18px;
    font-weight: bold;
    line-height: 26px;
    color: rgba(0, 0, 0, 1);
}

.about_six .right {
    float: right;
    display: flex;
}

.about_six .right .leftt {
    margin-right: 93px;
}

.about_six .right .leftt p:nth-child(1) {
    text-align: center;
    font-size: 60px;
    font-weight: bold;
    line-height: 70px;
    color: rgba(23, 75, 136, 1);
}

.about_six .right .leftt p:nth-child(2) {
    width: 134px;
    text-align: center;
    height: 44px;
    font-size: 20px;
    font-weight: bold;
    line-height: 26px;
    color: rgba(88, 82, 81, 1);
}

.about_six .right .rightt p:nth-child(1) {
    text-align: center;
    font-size: 60px;
    font-weight: bold;
    line-height: 70px;
    color: rgba(23, 75, 136, 1);
}

.about_six .right .rightt p:nth-child(2) {
    width: 134px;
    text-align: center;
    height: 44px;
    font-size: 20px;
    font-weight: bold;
    line-height: 26px;
    color: rgba(88, 82, 81, 1);
}

.about_seven {
    width: 1284px;
    height: 685px;
    margin: 0 auto;
    position: relative;
}

.about_seven img {
    position: absolute;
    top: 0;
    left: 0;
}

.about_seven .p_one {
    width: 170px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    line-height: 22px;
    color: rgba(0, 0, 0, 1);
    opacity: 1;
}

.about_seven .p_two {
    width: 180px;
    text-align: center;
    font-size: 16px;
    font-weight: 400;
    line-height: 20px;
    color: rgba(0, 0, 0, 1);
    opacity: 1;
}

.about_seven .one {
    position: absolute;
    top: 166px;
    left: 60px;
}

.about_seven .two {
    position: absolute;
    top: 345px;
    left: 60px;
}

.about_seven .three {
    position: absolute;
    top: 510px;
    left: 150px;
}

.about_seven .four {
    position: absolute;
    top: 570px;
    left: 295px;
}

.about_seven .five {
    position: absolute;
    top: 570px;
    left: 474px;
}

.about_seven .six {
    position: absolute;
    top: 215px;
    left: 630px;
}

.about_seven .seven {
    position: absolute;
    top: 290px;
    left: 840px;
}

.about_bottom {
    width: 1284px;
    height: 650px;
    margin: 25px auto 0;
}

.index_main_six {
    width: 1284px;
    margin: 10px auto;
    display: flex;
    justify-content: center;
}

.index_main_six div {
    cursor: pointer;
    width: 92px;
    height: 38px;
    background: black;
    color: white;
    line-height: 38px;
    padding-left: 10px;
    font-size: 18px;
    position: relative;
    overflow: hidden;
}

.index_main_six span {
    position: absolute;
    right: 0;
    top: -6px;
    display: block;
    width: 28px;
    height: 53px;
    background: url("../images/index_right.jpg");
}