.w1200 {
    width: 1200px;
    margin: 0 auto
}

.banner {
    width: 100%;
    height: 450px
}

.banner img {
    width: 100%;
    height: 450px;
    -o-object-fit: cover;
    object-fit: cover
}

.con1 {
    height: 1216px;
    background-color: #fff;
    width: 1200px;
    padding-top: 85px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0 auto
}

.con1 .con1_1 {
    padding-top: 50px
}

.con1 .con1_1 li {
    float: left;
    position: relative;
    overflow: hidden;
    margin: 0 10px 10px 0
}

.con1 .con1_1 li p {
    text-align: center;
    width: 100%;
    height: 217px;
    position: absolute;
    top: 0;
    left: 0;
    margin: 0;
    background-color: rgba(0, 0, 0, .5);
    font-size: 30px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #fcf8f8;
    display: table;
    cursor: pointer;
}
.con1 .con1_1 li p:hover {
    background-color: rgba(6, 145, 145, .5);
    color: #fff;
}

.con1 .con1_1 li p span {
    display: table-cell;
    vertical-align: middle
}

.con1 .con1_1 li img {
     display: block;
     width: 100%;
     height: auto;
     object-fit: cover;
 }

.con1 .con1_1 li:nth-child(3) {
    margin-top: 138px;
    float: right;
    margin-right: 0;
    width: 300px;
    overflow: hidden;
}

.con1 .con1_1 li:nth-child(2) img{
    width: 330px;
    height: 191px;
}

.con1 .con1_1 li:nth-child(2), .con1 .con1_1 li:nth-child(4) {
    width: 330px;
    overflow: hidden;
}

.con1 .con1_1 li:nth-child(1) {
    float: left;
    margin-right: 10px;
    height: 355px
}

.con1 .con1_1 li:nth-child(5) {
    width: 300px
}

.con1 .con1_1 li:nth-child(7) {
    width: 375px
}

.con1 .con1_1 li:nth-child(8) {
    float: right;
    margin-right: 0
}

.con1 .con1_1 li:nth-child(9) {
    width: 375px
}


.con1 .con1_1 li:nth-child(2) p{
    height: 189px;
}
.con1 .con1_1 li:nth-child(1) p{
    height: 355px;
}
.con1 .con1_1 li:nth-child(4) p{
    height: 156px;
}
.con1 .con1_1 li:nth-child(5) p{
    height: 424px;
}
.con1 .con1_1 li:nth-child(6) p{
    height: 341px;
}
.con1 .con1_1 li:nth-child(7) p{
    height: 200px;
}
.con1 .con1_1 li:nth-child(8) p{
    height: 473px;
}
.con1 .con1_1 li:nth-child(9) p{
    height: 200px;
}

.con2 {
    padding-top: 98px;
    background: #e6e6e6;
    position: relative
}

.con2 .con2_1 {
    padding-top: 50px;
    width: 1265px;
    margin: 0 auto
}

.con2_1 ul {
    overflow: hidden
}

.con2 li {
    width: 300px;
    margin: 8px;
    float: left;
    background: #f4f0f0;
    -webkit-box-shadow: 0 2px 7px 0 rgba(20, 122, 122, .74);
    box-shadow: 0 2px 7px 0 rgba(20, 122, 122, .74)
}

.con2 li img {
    width: 100%
}

.con2 li h5 {
    padding-top: 10px;
    padding-bottom: 5px;
    margin: 0 auto;
    width: 268px;
    font-size: 14px;
    font-family: MicrosoftYaHei;
    font-weight: 700;
    color: #151414
}

.con2 li p {
    width: 268px;
    padding-bottom: 20px;
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #151414;
    line-height: 22px;
    margin: 0 auto;
    text-align: justify
}

.project_nav {
    position: fixed;
    left: 50%;
    margin-left: 670px;
    top: 300px;
    width: 100px;
    height: 523px;
    background-image: url(../images/project_10.png);
    background-repeat: no-repeat;
    background-position: center;
    padding-top: 30px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

.project_nav a {
    display: block;
    text-align: center;
    background-color: #e6e6e6;
    margin: 25px 0
}

.project_nav a.open, .project_nav a:hover {
    color: #069191;
    font-weight: 700
}

.project_nav_open {
    position: absolute
}

.project_nav_end {
    position: absolute;
    top: auto;
    bottom: 30px
}

.con3 {
    background-color: #fff;
    padding: 85px 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

.con3 h5 {
    font-size: 20px;
    font-family: MicrosoftYaHei;
    font-weight: 700;
    color: #383737;
    line-height: 48px;
    text-align: center
}

.con3 .time {
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333;
    line-height: 60px;
    text-align: center
}

.con3 .textContent {
    width: 1200px;
    margin: 0 auto
}

.con3 .textContent p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #1d1c1c;
    line-height: 29px
}

.con3 .swiper-container_2 {
    width: 520px
}

.con3 .swiper-container_2 img {
    width: 167px;
    height: 94px;
    -o-object-fit: cover;
    object-fit: cover
}

.con3 .swiper-container_1 {
    margin: 0 auto;
    width: 770px;
    margin-top: 60px
}

.con3 .swiper-container_1 p {
    text-align: center;
    margin: 0;
    font-size: 12px;
    font-family: MicrosoftYaHeiLight;
    font-weight: 400;
    color: #0e0e0e;
    line-height: 48px
}

.con3 .swiper-container_1 .swiper-slide {
    overflow: hidden
}

.con3 .swiper-container_1 img {
    height: 433px;
    width: auto;
    display: block;
    margin: 0 auto
}

.list_1 {
    position: relative;
    width: 1000px;
    margin: 0 auto
}

.list_1 .swiper-button-black {
    margin-top: -40px
}

.list_2 {
    position: relative;
    width: 600px;
    margin: 0 auto
}

.list_2 .swiper-button-black {
    width: 14px;
    height: 29px;
    background-size: 100%;
    margin-top: -14px
}

.active-nav img {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0;
    border: 1px solid #069191
}