.common_head_b {
    width: 100%;
    z-index: 99;
    background: #fff;
    position: sticky;
    top: 0;
    left: 0;
}
.common_head {
    width: 100%;
    z-index: 99;
    background: #fff;
    top: 0;
    left: 0;
}
.common_head .logo img{
    width: 278px;
}

.common_head .top .top_txt{
    color: #333333;
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    line-height: 30px;
}
.common_head .top .top_txt i {
    color: #3d756c;
    line-height: 30px;
}
.common_head .top {
    height: 140px;
}

.common_head .top .tel {}
.common_head .top .tel .p1 {
    color: #333333;
    font-size: 14px;
}
.common_head .top .tel .p2 {
    color: #3d756c;
    font-size: 24px;
    font-weight: bold;
}
.common_head .top .tel .pic{
    margin-right: 10px;
}

.common_head .bottom {
    background: #3d756c;
}

.common_head .bottom .nav {
    height: 60px;
}

.common_head .bottom .nav a:hover {
    background: #305e56;
}
.common_head .bottom .nav .item:hover .item_box {
    display: block;
}
.common_head .bottom .nav a {
    height: 60px;
    line-height: 60px;
    display: inline-block;
    width: 120px;
    text-align: center;
    color: #fff;
    font-size: 16px;
    background: #3d756c;
    transition: 0.3s;
}

.common_head .bottom .search {
    display: flex;
    align-items: center;
}

.common_head .bottom .search .input {
    height: 58px;
}
.common_head .bottom .search .input input {
    height: 58px;
    color: #999797;
    font-size: 14px;
    width: 220px;
    padding: 0 20px;
    outline: none;
}
.common_head .bottom .search .button {
}
.common_head .bottom .search .button input {
    display: flex;
    height: 58px;
    border: 1px solid #27554e;
    width: 58px;
    outline: none;
    background: url("../images/icon2.png") no-repeat center;
    cursor: pointer;
}
.common_head .bottom .w_100  {
    position: relative;
}
.common_head .bottom .w_100 .item_box>div{
    display: flex;
    width: 100%;
}
.common_head .bottom .w_100 .item_box {
    width: 100%;
    position: absolute;
    top: 60px;
    left: 0;
    background: #36665f;
    padding: 50px;
    display: none;
    align-items: flex-start;
    color: #fff;
}
.common_head .bottom .w_100 .item_box .info {
    width: 250px;
    margin-right: 30px;
}
.common_head .bottom .w_100  .item_box .info .p1 {
    font-size: 26px;
    line-height: 30px;
    margin-bottom: 10px;
}
.common_head .bottom .w_100  .item_box .info .p2 {
    line-height: 30px;
}
.common_head .bottom .w_100  .item_box .list {
    width: calc(100% - 120px);
    display: flex;
    flex-wrap: wrap;
}
.common_head .bottom .w_100 .item_box .list .box {
    width: 20%;
    background: none;
    height: auto;
    line-height: normal;
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    color: #fff;
}

.common_head .bottom .w_100  .item_box .list .box img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

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

.banner .txt {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    color: #fff;
    display: flex;
    align-items: center;
}

.banner .txt .p1 {
    font-size: 60px;
    font-weight: bold;
    line-height: 60px;
    margin-bottom: 85px;
}
.banner .txt .p1 i {
    color: #3d756c;
}
.banner .txt .p2 {
    font-size: 36px;
    color: #ebeaea;
    line-height: 46px;
    margin-bottom: 55px;
}
.banner .txt .p3 {
    text-align: left;
}
.banner .txt .p3 a{
    display: inline-block;
    width: 215px;
    height: 50px;
    background: #3d756c;
    line-height: 48px;
    text-align: center; 
    border: 1px solid #fff;
    color: #fefefe;
    font-size: 20px;
    transition: 0.3s;
    cursor: pointer;
}
.banner .txt .p3 a:hover {
    background: #305e56;
}

.products_box {
    margin: 85px 0;
}

.products_box .search {
    width: 1180px;
    justify-content: space-between  ;
    margin: 0 auto;
}

.products_box .search .content {
    background: #3d756c;
    border-radius: 10px;
    width: 1020px;
    height: 110px;
    display: flex;
}
.products_box .search .input {
    height: 110px;
    line-height: 110px;
    width: 660px;
    padding: 12px 0;
}
.products_box .search .input input::placeholder  {
    color: #fff;
}
.products_box .search .input input {
    padding: 0 50px;
    outline: none;  
    height: 100%;
    width: 100%;
    font-size: 36px;
    background: none;
    color: #fff;
    border: none;
    border-right: 1px solid #9ebab6;
}
.products_box .search .select {
    position: relative;
    flex: 1;
    padding: 0 25px;
}
.products_box .search .select .current_txt {
    color: #fff;
    height: 110px;
    line-height: 110px;
    font-size: 24px;
    flex: 1;
    cursor: pointer;
    background: url("../images/icon6.png") no-repeat center right;

}
.products_box .search .select_list {
    position: absolute;
    left: 0;
    top: 110px;
    z-index: 10;
    width: 100%;
    background: #3d756c;
    border-radius: 10px;
    overflow: hidden;
    display: none;
}
.products_box .search .select_list .item:hover {
    background: #305e56;
}
.products_box .search .select_list .item {
    height: 50px;
    font-size: 24px;
    line-height: 50px;
    padding: 0 25px;
    color: #fff;
    transition: 0.3s;
    cursor: pointer;
}

.products_box .search .button input{
    width: 110px;
    height: 110px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: block;
    background: #3d756c url("../images/icon3.png") no-repeat center;
    transition: 0.3s;
    outline: none;
}
.products_box .search .button input:hover {
    background: #305e56 url("../images/icon3.png") no-repeat center;
}
.products_box .swiper-container {
    overflow: initial;
    z-index: 9;
}
.products_box .swiper {
    margin: 85px 0 0;
    overflow-x: hidden;
    position: relative;
}
.products_box .swiper .swiper-slide .bg {
    background: rgba(61, 117, 108, 0.8);
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    transition: 0.3s;
    position: absolute;
    z-index: 3;
}
.products_box .w_swiper {
    width: 1400px;
}
.products_box .swiper .swiper-slide {
    cursor: pointer;
    position: relative;
    transition: 0.3s;
}
.products_box .swiper .swiper-slide .txt {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    z-index: 6;
    text-align: center; 
}
.products_box .swiper .swiper-slide .txt p {
    height: 80px;
    line-height: 80px;
    text-align: center;
    font-size: 20px;
    width: 100%;
    color: #fff;
    transition: 0.3s;
}
.products_box .swiper .swiper-slide .pic {
    transition: 0.3s;
}
.products_box .swiper .swiper-slide .pic img {
    min-height: 100%;
    min-width: 100%;
    z-index: 5;
}
.products_box .swiper .swiper-slide:hover .bg {
    background: rgba(61, 117, 108, 0);
    z-index: 0;
}
.products_box .swiper .swiper-slide:hover {
    transform: scale(1.2);
    z-index: 5;
}
.products_box .swiper .swiper-slide:hover .txt p {
    background: #e6791a;
}

.products_box .swiper_operation {
    height: 100%;
    position: relative;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 20;
}
.products_box .swiper-button-prev{
    background: url("../images/icon4.png") center no-repeat;
    z-index: 10;
    outline: none;
}
.products_box .swiper-button-next{
    background: url("../images/icon5.png") center no-repeat;
    z-index: 10;
    outline: none;
}

.swiper-button-prev:after,
.swiper-button-next:after{
    display: none;
}

.products_box1 {
    padding-bottom: 80px;
}
.mySwiperTop .swiper-slide .bg {
    width: 100%;
    top: 0;
    left: 0;
    height: 100%;
    position: absolute;
}
.swiper_top {
    position: relative;
}
.swiper_top .operation {
    width: 100%;
    top: 0;
    left: 0;
    height: 100%;
    position: absolute;
    display: flex;
    align-items: center;
}
.swiper_top .operation .w_100{
    position: relative;
}
.swiper_top .swiper-button-prev3{
    background: url("../images/icon7.png") center no-repeat;
    z-index: 10;
    outline: none;
    left: -60px;
}
.swiper_top .swiper-button-next3{
    background: url("../images/icon8.png") center no-repeat;
    z-index: 10;
    outline: none;
    right: -60px;
}

.mySwiperTop .swiper-slide {
    position: relative;
}
.mySwiperTop .swiper-slide .content {
    width: 100%;
    top: 0;
    left: 0;
    height: 100%;
    position: absolute;
    display: flex;
    align-items: center;
}
.mySwiperTop .swiper-slide .content .w_100{
    display: flex;
    align-items: center;
}
.mySwiperTop .swiper-slide .content .w_100 .txt .p1{
    color: #333333;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 30px;
    line-height: 36px;
}
.mySwiperTop .swiper-slide .content .w_100 .txt .p2 {
    font-size: 16px;
    color: #333333;
    line-height: 40px;
    margin-bottom: 80px;
}
.mySwiperTop .swiper-slide .content .w_100 .txt .p3 a{
    display: inline-block;
    text-align: center;
    color: #333333;
    font-size: 24px;
    transition: 0.3s;
    background: #a0d2ca;
    border: 1px solid #3d756c;
    height: 52px;
    line-height: 50px;
    width: 170px;
}
.mySwiperTop .swiper-slide .content .w_100 .txt .p3 a:hover {
    background: #3d756c;
    color: #fff;
}
.mySwiperTop .swiper-slide .bg{
    transform-origin: 20% center;
    transition: 1s;
    transform: scale(0);
    border-radius: 100px;
}
.mySwiperTop .swiper-slide .content .w_100 .pic {
    margin-right: 120px;
}

.mySwiperTop .swiper-slide-active .bg {
    transform: scale(1);
    border-radius: 0;
}
.swiper_botoom .mySwiperBottom {
    overflow: initial;
}
.swiper_botoom {
    background: #3d756c;
    position: relative;
    width: 100%;
}
.mySwiperBottom .w_100{
    position: relative;
}
.mySwiperBottom .swiper-slide {
    transition: 0.3s;
}
.mySwiperBottom .swiper-slide>img{
    width: 100%;
}

.mySwiperBottom .swiper-slide-thumb-active {
    transform: translateZ(0) scale(1.2) !important;
    border: 1px solid #3d756c;
    z-index: 9;
}
.swiper_botoom .swiper-button-prev2{
    background: url("../images/icon9.png") center no-repeat;
    z-index: 10;
    outline: none;
    left: -60px;
}
.swiper_botoom .swiper-button-next2{
    background: url("../images/icon10.png") center no-repeat;
    z-index: 10;
    outline: none;
    right: -60px;
}

.swiper_botoom .w_100 {
    position: relative;
}


.about_box1 {
    padding-bottom: 80px;
}
.about_box1 .box1 {
    margin-bottom: 100px;
    display: flex;
    align-items: center;
}
.about_box1 .box1 .date{
    width: 170px;
    padding-right: 25px;
    margin-right: 25px;
    border-right: 1px solid #dcdcdc;
}
.about_box1 .box1 .date .p1{
    margin-bottom: 20px;
}
.about_box1 .box1 .date .p2{}
.about_box1 .box1 .txt {
    max-width: 500px;
}
.about_box1 .box1 .txt .p1{
    font-size: 20px;
    color: #333333;
    line-height: 20px;
    margin-bottom: 15px;
}
.about_box1 .box1 .txt .p2{
    color: #7e7d7d;
    font-size: 14px;
    line-height: 25px;
}

.about_box1 .box2 {}
.about_box1 .box2 .txt{}
.about_box1 .box2 .txt .p1{
    color: #9e9d9d;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding-bottom: 35px;
    margin-bottom: 30px;
    margin-top: 10px;
    position: relative;
}
.about_box1 .box2 .txt .p2{
    font-size: 36px;
    line-height: 40px;
    font-size: 36px;
    font-weight: bold;
    color: #333333;
}
.about_box1 .box2 .txt .p1::before{
    position: absolute;
    display: block;
    content: '';
    width: 50px;
    height: 2px;
    background-color: #e6791a;
    bottom: 0;
    left: 0;
}
.about_box1 .box2 .txt .p3{
    font-size: 16px;
    color: #373737;
    max-width: 650px;
    line-height: 35px;
    margin-bottom: 120px;
}
.about_box1 .box2 .txt .p4{}
.about_box1 .box2 .txt .p4 a{
    display: inline-block;
    width: 160px;
    text-align: center;
    height: 50px;
    line-height: 50px;
    color: #ffffff;
    background: #3d756c;
    font-size: 16px;
    transition: 0.3s;
}
.about_box1 .box2 .txt .p4 a:hover {
    background: #305e56;
}
.about_box1 .pic{}
.about_box1 .pic img{}


.about_box2 {
    padding: 70px 0;
    background: url("../images/bg1.png") center;
    background-size: cover;
}

.about_box2 .w_100 {
    flex-wrap: wrap;
    justify-content: space-between;
}
.about_box2 .item {
    width: 24%;
}
.about_box2 .item img {
    width: 100%;
}
.contact_box1 {
    padding: 70px 0;
}

.contact_box1 .w_100 .line{
    width: 50%;
}
.contact_box1 .w_100 .line .name{
    margin-bottom: 20px;
    font-size: 20px;
    color: #7d7d7e;
    font-weight: bold;
}
.contact_box1 .w_100 .line .textarea{
}
.contact_box1 .w_100 .line .textarea textarea{
    border: 1px solid #b5b5b5;
    width: 390px;
    height: 150px;
    resize: none;
    padding: 15px;
}
.contact_box1 .w_100 .line .submit{
    margin-top: 20px;
}
.contact_box1 .w_100 .line .submit input{
    background: #3d756c;
    font-size: 18px;
    color: #fff;
    border: none;
    outline: none;
    line-height: 50px;
    width: 390px;
    cursor: pointer;
    text-align: center;
    transition: 0.3s;
}
.contact_box1 .w_100 .line .submit input:hover {
    background: #305e56;
}


.contact_box1 .w_100 .info {
    width: 50%;

}
.contact_box1 .w_100 .info .name {
    margin-bottom: 20px;
    font-size: 20px;
    color: #7d7d7e;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}
.contact_box1 .w_100 .info .name span {}
.contact_box1 .w_100 .info .name a {
    display: inline-block;
    color: #fff;
    text-align: center;
    font-size: 16px;
    width: 160px;
    height: 50px;
    line-height: 50px;
    background: #3d756c;
    font-weight: normal;
    transition: 0.3s;
}
.contact_box1 .w_100 .info .name a:hover {
    background: #305e56;
}
.contact_box1 .w_100 .info .list {
    display: flex;
    margin-top: 40px;
    flex-wrap: wrap;
}
.contact_box1 .w_100 .info .list .item {
    width: 50%;
}
.contact_box1 .w_100 .info .list .item .date {
    font-size: 18px;
    color: #333333;
    line-height: 20px;
    margin-bottom: 25px;
    padding: 0 20px;
}
.contact_box1 .w_100 .info .list .item .line {
    position: relative;
    margin-bottom: 25px;
}
.contact_box1 .w_100 .info .list .item .line::before {
    display: block;
    content: '';
    border-bottom: 1px solid #c5c4c4;
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -3px;
    width: 100%;
    transition: 0.3s;
}
.contact_box1 .w_100 .info .list .item .line p {
    width: 18px;
    display: inline-block;
    height: 18px;
    position: relative;
    border: 1px solid #c5c4c4;
    border-radius: 100px;
    background: #fff;
    margin-left: 20px;
    transition: 0.3s;
}
.contact_box1 .w_100 .info .list .item .line p::before {
    display: block;
    content: '';
    background: #c5c4c4;
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 100px;
    width: 10px;
    height: 10px;
    margin-left: -5px;
    margin-top: -5.5px;
    transition: 0.3s;
}

.contact_box1 .w_100 .info .list .item:hover .line::before {
    border-bottom: 1px solid #3d756c;
}
.contact_box1 .w_100 .info .list .item:hover .line p {
    border: 1px solid #3d756c;
}
.contact_box1 .w_100 .info .list .item:hover .line p:before {
    background: #3d756c;
}
.contact_box1 .w_100 .info .list .item .title {
    padding: 0 20px;
    font-size: 18px;
    color: #333333;
    line-height: 25px;
    height: 25px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 15px;
}
.contact_box1 .w_100 .info .list .item .details {
    padding: 0 20px;
    font-size: 14px;
    color: #333333;
    line-height: 25px;
}
.contact_box1 .w_100 .info .list .item .more {
    padding: 0 20px;
    margin-top: 35px;
}
.contact_box1 .w_100 .info .list .item .more a {
    font-size: 16px;
    color: #7f7e7e;
    transition: 0.3s;
}
.contact_box1 .w_100 .info .list .item:hover .more a {
    color: #3d756c;
}


.contact_box2 {
    text-align: center;
    padding: 70px 0 130px;
    background: url("../images/bg2.png") no-repeat center;
    background-size: cover;
}
.contact_box2 .p1{}
.contact_box2 .p2{
    position: relative;
    z-index: 3;
    color: #333333;
    font-size: 44px;
    line-height: 50px;
    margin-top: -25px;
    margin-bottom: 10px;
    font-weight: bold;
}
.contact_box2 .p3{
    font-size: 24px;
    color: #333333;
    line-height: 30px;
    margin-bottom: 45px;
    padding-bottom: 35px;
    position: relative;
}
.contact_box2 .p3::before {
    display: block;
    content: '';
    width: 25px;
    height: 5px;
    background: #3d756c;
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -13px;
}
.contact_box2 .p4{
    display: flex;
    align-items: center;
    font-size: 56px;
    line-height: 56px;
    color: #333333;
    justify-content: center;
    font-weight: bold;
}
.contact_box2 .p4 img {
    margin-right: 15px;
}
.contact_box2 .p5{
    margin-top: 75px;
    margin-bottom: 50px;
}
.contact_box2 .p5 a {
    position: relative;
    display: inline-block;
    transition: 0.3s;
}
.contact_box2 .p5 a:hover {
    transform: scale(1.1);
}
.contact_box2 .p5 a span {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    color: #fff;
    font-size: 20px;
    line-height: 60px;
    display: inline-block;
    top: 0;
}
.contact_box2 .p6{
    width: 590px;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
    margin: 0 auto;
}

.common_footer {
    height: 72px;
    line-height: 72px;
    background: #fff;
    color: #666666;
    font-size: 16px;
    text-align: center;
}