.mainVis {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 700px;
    overflow: hidden;
    background: #262626;
    z-index: 0;
}

.mainVis .rollArea {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.mainVis .rollArea .roll {
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 100%;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.mainVis .rollArea .roll:first-child {
    left: 0;
    width: 100%;
}

.mainVis .rollArea .roll .bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: url("/common/images/icon/mainVis_bg1.jpg") no-repeat 50% 50%;
    background-size: cover;
}

.mainVis .rollArea .roll .bg.bg2 {
    background: url("/common/images/icon/mainVis_bg2.jpg") no-repeat 50% 50%;
    background-size: cover;
}

.mainVis .rollArea .roll .bg.bg3 {
    background: url("/common/images/icon/mainVis_bg3.jpg") no-repeat 50% 50%;
    background-size: cover;
}

.mainVis .rollArea .roll .txtArea {
    position: absolute;
    top: 25%;
    left: 0;
    width: 100%;
}

.mainVis .rollArea .roll .txtArea .tit {
    position: relative;
    top: -100px;
    opacity: 0;
    font-family: 'Proxima-Extrabold', sans-serif;
    font-weight: normal;
    font-size: 84px;
    line-height: 1;
}

.mainVis .rollArea .roll .txtArea .txt {
    position: relative;
    top: -100px;
    opacity: 0;
    font-size: 18px;
    line-height: 1;
    word-break: keep-all;
    margin-top: 22px;
}

.mainVis .rollArea .roll .txtArea .btn {
    position: relative;
    left: 100px;
    opacity: 0;
    margin-top: 50px;
}

.mainVis .rollArea .roll .txtArea .btn a {
    display: inline-block;
    padding: 19px 97px 19px 30px;
    border: 2px solid #fff;
    font-size: 18px;
    font-weight: bold;
    line-height: 1;
    color: #fff;
    background: url("/common/images/icon/mainVis_btn_icon.png") no-repeat right 30px top 50%;
    border-radius: 3px;
}

.mainVis .rollArea .roll .txtArea .btn.type2 a {
    padding: 19px 72px 19px 30px;
}

.mainVis .rollArea .roll .txtArea .btn a:hover,
.mainVis .rollArea .roll .txtArea .btn a:focus {
    color: #000;
    background: #fff url("/common/images/icon/mainVis_btn_icon_on.png") no-repeat right 30px top 50%;
}

.mainVis .rollArea .roll .dimd {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
}

.mainVis .indiArea {
    position: absolute;
    bottom: 0;
    right: 90px;
    width: 100%;
    height: 90px;
    margin-left: -45px;
    text-align: right;
    -ms-transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
    -ms-transform-origin: 100% 100%;
    -webkit-transform-origin: 100% 100%;
    transform-origin: 100% 100%;
    z-index: 5;
}

.mainVis .indiArea .indi {
    padding: 0 130px;
    height: 100%;
    display: none;
}

.mainVis .indiArea .indi a {
    display: inline-block;
    padding: 0 20px;
    height: 90px;
    font-family: 'Proxima-Bold', sans-serif;
    font-weight: normal;
    font-size: 15px;
    line-height: 90px;
    color: rgba(255, 255, 255, 0.4)
}

.mainVis .indiArea .indi a.on {
    position: absolute;
    top: 0;
    left: 50%;
    height: 88px;
    font-size: 18px;
    line-height: 88px;
    color: rgba(255, 255, 255, 1);
    border-top: 2px solid #fff;
    -webkit-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
}

.mainVis .autoBtn {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 90px;
    height: 90px;
    background: url("../img/main_auto_btn.png") no-repeat 50% 50%;
    z-index: 5;
}

.mainVis .autoBtn.on {
    background: url("../img/main_auto_btn_on.png") no-repeat 50% 50%;
}

.mainVis .scroll {
    position: absolute;
    bottom: -90px;
    left: 50%;
    padding-bottom: 80px;
    font-family: 'Proxima-Bold', sans-serif;
    font-weight: normal;
    font-size: 14px;
    line-height: 1;
    color: #fff;
    -webkit-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    opacity: 0;
    z-index: 5;
}

.mainVis .scroll:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
    width: 2px;
    height: 50px;
    background: #fff;
}

.mainVis .indiArea.roll0 {
    text-align: right;
}

.mainVis .indiArea.roll1 {
    text-align: left;
}

.mainVis .indiArea.roll1 .indi a:last-child {
    float: right;
}

.mainVis .indiArea.roll2 {
    text-align: left;
}

.mainVis .roll_btm {
    width: 100%;
    height: 60px;
    background: rgba(0, 0, 0, .2);
    line-height: 60px;
    position: absolute;
    bottom: 0px;
    color: #fff;
    text-align: center;
    z-index: 3;
}

.mainVis .roll_btm img {
    display: inline-block;
    vertical-align: middle;
    margin-right: 5px;
}

.mainVis .roll_btm span {
    display: inline-block;
}

.mainConWrap {
    position: relative;
    background: #fff;
}

.mainCon1 {
    position: relative;
    background: url("../img/aboutbanner.png") no-repeat 100% 100%;
}

.mainCon1_box {
    overflow: hidden;
}

.mainCon1 .mainCon1_title {
    font-size: 36px;
    text-align: center;
    color: #000;
    font-weight: bold;
    margin-top: 230px;
}

.mainCon1 .mainCon1_del {
    font-size: 16px;
    color: #4d544f;
    line-height: 30px;
    margin-top: 75px;
}

.mainCon1 .topArea {
    padding-top: 50px;
}

.mainCon1_btn {
    display: block;
    margin-top: 50px;
    float: right;
    font-size: 14px;
    color: #666666;
    padding: 12px 32px;
    border: 1px solid #bfbfbf;
}

.mainCon1 .topArea {
    position: relative;
    padding-bottom: 120px;
    overflow: hidden;
}

.mainCon1 .topArea>div {
    float: left;
    width: 25%;
    text-align: center;
}

.mainCon1 .topArea>div .txt1 {
    font-size: 14px;
    color: #666;
    margin-top: 30px;
}

.mainCon1 .topArea>div .txt1 .counter {
    font-family: 'Proxima-Bold', sans-serif;
    font-weight: bold;
    font-size: 40px;
    color: #000;
}

.mainCon1 .topArea>div .txt2 {
    font-size: 18px;
    color: #666;
    margin-top: 25px;
}

.mainCon1 .topArea .year {
    position: absolute;
    top: 234px;
    right: 0;
    font-size: 15px;
    color: #555;
}

.mainCon1 .bottomArea {
    position: relative;
    top: 150px;
    opacity: 0;
    height: 340px;
    text-align: center;
}

.mainCon1 .bottomArea:after {
    content: '';
    display: block;
    clear: both;
}

.mainCon1 .bottomArea .box {
    position: relative;
    float: left;
    width: 257px;
    height: 338px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-left: 0;
}

.mainCon1 .bottomArea .box:before {
    content: '';
    position: absolute;
    bottom: 50px;
    left: 50%;
    width: 40px;
    height: 2px;
    background: #034874;
    margin-left: -20px;
}

.mainCon1 .bottomArea .box:first-child {
    width: 258px;
    border-left: 1px solid #e0e0e0;
}

.mainCon1 .bottomArea .box:last-child {
    width: 258px;
}

.mainCon1 .bottomArea .box a {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
}

.mainCon1 .bottomArea .box a>.icon {
    padding-top: 80px;
}

.mainCon1 .bottomArea .box a>.tit {
    font-weight: bold;
    font-size: 20px;
    color: #000;
    line-height: 1;
    margin-top: 40px;
}

.mainCon1 .bottomArea .box.on {
    top: -51px;
    height: 442px;
    border: 0;
    box-shadow: 40px 40px 50px 0px rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.mainCon1 .bottomArea .box:first-child.on {
    border-left: 1px solid rgba(255, 255, 255, 0);
}

.mainCon1 .bottomArea .box .hover {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../img/four_iconbg01.png") no-repeat 50% 50%;
    background-size: cover;
}

.mainCon1 .bottomArea .box:first-child .hover {
    display: block;
}

.mainCon1 .bottomArea .box.box2 .hover {
    background: url("../img/four_iconbg.png") no-repeat 50% 50%;
    background-size: cover;
}

.mainCon1 .bottomArea .box.box3 .hover {
    background: url("../img/four_iconbg02.png") no-repeat 50% 50%;
    background-size: cover;
}

.mainCon1 .bottomArea .box.box4 .hover {
    background: url("../img/four_iconbg03.png") no-repeat 50% 50%;
    background-size: cover;
}

.mainCon1 .bottomArea .box.box5 .hover {
    background: url("../img/four_iconbg.png") no-repeat 50% 50%;
    background-size: cover;
}

.mainCon1 .bottomArea .box .hover .icon {
    padding-top: 60px;
}

.mainCon1 .bottomArea .box .hover .tit {
    font-weight: bold;
    font-size: 26px;
    color: #fff;
    line-height: 1;
    margin-top: 55px;
}

.mainCon1 .bottomArea .box .hover .txt {
    font-size: 16px;
    color: #fff;
    line-height: 1.5;
    margin-top: 30px;
    padding: 0 20px
}

.mainCon1 .bottomArea .box .hover .more {
    display: none;
    font-size: 16px;
    color: #fff;
    line-height: 34px;
    height: 34px;
    padding-right: 50px;
    background: url(../img/four_more.png) no-repeat right 1px top 0;
    margin-top: 45px;
}

.mainCon1 .bottomArea .box.on .hover .more {
    display: none;
}

.mainCon3 {
    width: 100%;
    height: 100vh;
    box-sizing: border-box;
    position: relative;
    background: url("../img/index_box5_bg.jpg") no-repeat 100% 100%;
}

.titwrap {
    padding: 200px 0 100px;
}

.titwrap p:nth-child(1) {
    color: #000;
    font-weight: bold;
    font-size: 36px;
    margin-bottom: 22px;
}

.titwrap p:nth-child(2) {
    color: #333;
    font-size: 24px;
}

.mainCon3 .topArea {
    position: relative;
    padding-bottom: 120px;
    overflow: hidden;
}

.mainCon3 .topArea>div {
    float: left;
    width: 33.3%;
    text-align: center;
}

.mainCon3 .topArea>div:first-child {
    width: 33.4%;
}

.mainCon3 .topArea>div .txt1 {
    font-size: 20px;
    color: #000;
    margin-top: 30px;
}

.mainCon3 .topArea>div .txt1 .counter {
    font-family: 'Proxima-Bold', sans-serif;
    font-weight: bold;
    font-size: 80px;
    color: #000;
}

.mainCon3 .topArea>div .txt2 {
    font-weight: bold;
    font-size: 20px;
    color: #000;
    margin-top: 25px;
}

.mainCon3 .topArea .year {
    position: absolute;
    top: 234px;
    right: 0;
    font-size: 15px;
    color: #555;
}

.mainCon3 .bottomArea {
    position: relative;
    top: 150px;
    opacity: 0;
    height: 340px;
    text-align: center;
}

.mainCon3 .bottomArea:after {
    content: '';
    display: block;
    clear: both;
}

.mainCon3 .bottomArea .box {
    position: relative;
    float: left;
    width: 365px;
    height: 338px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-left: 0;
    margin-right: 34px;
    box-sizing: border-box;
}

.mainCon3 .bottomArea .box:before {
    content: '';
    position: absolute;
    bottom: 50px;
    left: 50%;
    width: 40px;
    height: 2px;
    background: #034874;
    margin-left: -20px;
}

.mainCon3 .bottomArea .box:first-child {
    border-left: 1px solid #e0e0e0;
}

.mainCon3 .bottomArea .box:last-child {}

.mainCon3 .bottomArea .box a {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
}

.mainCon3 .bottomArea .box a>.icon {
    padding-top: 80px;
}

.mainCon3 .bottomArea .box a>.tit {
    font-weight: bold;
    font-size: 20px;
    color: #000;
    line-height: 1;
    margin-top: 40px;
}

.mainCon3 .bottomArea .box.on {
    top: -51px;
    height: 442px;
    border: 0;
    box-shadow: 20px 20px 30px 0px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.mainCon3 .bottomArea .box:first-child.on {
    border-left: 1px solid rgba(255, 255, 255, 0);
}

.mainCon3 .bottomArea .box .hover {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../img/four_iconbg.png") no-repeat 50% 50%;
    background-size: 100% 100%;
}

.mainCon3 .bottomArea .box .hover .icon {
    padding-top: 60px;
}

.mainCon3 .bottomArea .box .hover .tit {
    font-weight: bold;
    font-size: 26px;
    color: #fff;
    line-height: 1;
    margin-top: 55px;
}

.mainCon3 .bottomArea .box .hover .txt {
    font-size: 16px;
    color: #fff;
    line-height: 1.5;
    margin-top: 30px;
    padding: 0 20px
}

.mainCon3 .bottomArea .box .hover .more {
    display: none;
    font-size: 16px;
    color: #fff;
    line-height: 34px;
    height: 34px;
    padding-right: 50px;
    background: url(../img/four_more.png) no-repeat right 1px top 0;
    margin-top: 45px;
}

.mainCon3 .bottomArea .box.on .hover .more {
    display: none;
}


/* 联系我们 */

.us {
    width: 100%;
    height: 100vh;
    background: url(../img/index_box6_bg.jpg) no-repeat 100% 100%;
}

.us_containero {
    width: 1600px;
    margin: auto;
}

.us_containero .titwrap {
    padding-bottom: 0;
    padding-top: 140px;
}

.us_containero .titwrap p {
    color: #fff;
}

.us_containero .titwrap p:nth-child(1) {
    margin-bottom: 50px;
}

.us_content {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.usL_item {
    display: flex;
    align-items: center;
    margin-bottom: 52px;
}

.usL_item_text {
    color: #fff;
    margin-left: 24px;
    font-size: 16px;
}

.usL_item_text>p:nth-child(1) {
    margin-bottom: 16px;
}

.us_c img {
    width: 175px;
    height: 175px;
    display: block;
    margin: auto;
}

.us_c p {
    font-size: 14px;
    color: #fff;
    margin: 30px 0 22px;
}

.us_c div {
    width: 128px;
    height: 36px;
    margin: auto;
    border: 2px solid #fff;
    color: #fff;
    text-align: center;
    font-size: 16px;
    line-height: 36px;
    border-radius: 25px;
}

.us_r img {
    width: 620px;
    height: 666px;
    display: block;
    margin-top: 20px;
}