/*全局设置*/
body {
    font-family: Roboto, Arial, sans-serif;
}

a {
    text-decoration: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.mr20 {
    margin-right: 20px;
}

.mt20 {
    margin-top: 20px;
}

.mb10 {
    margin-bottom: 10px;
}

.bg-black {
    background: #000;
}


/*nav*/
.nav-bg {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
}

.nav {
    position: relative;
    margin: 0 auto;
    width: 1200px;
    height: 55px;
}

.nav img {
    margin-top: 14px;
    margin-left: 25px;
    display: block;
    float: left;
}

#nav_wrapper {
    float: right;
    position: relative;
    width: 750px;
    margin-right: 120px;
}

#nav_wrapper #nav_menu {
    height: 55px;
    display: flex;
    justify-content: space-between;
}

#nav_wrapper #nav_menu .nav_item {
    position: relative;
    display: block;
    height: 55px;
    padding: 0 15px;
    line-height: 50px;
    font-size: 20px;
    text-decoration: none;
}


#nav_wrapper #nav_menu .nav_item>a {
    display: inline-block;
    width: 100%;
    color: #c7d9c4;
}

#nav_wrapper #nav_menu .nav_item:hover>a {
    color: #d9dde9;
}

#nav_wrapper #nav_animate_block {
    position: absolute;
    bottom: 0px;
    height: 3px;
    overflow: hidden;
    background: #fff;
    z-index: 9;
}


#nav-lang {
    position: absolute;
    right: 0;
    top: 15px;
    display: flex;
    flex-direction: column;
}

#nav-lang a {
    display: inline-block;
    width: 80px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    background: #c7cac6;
    color: #000;
    font-weight: bold;
}

#nav-lang a:hover {
    color: #fff;
    background: #646761;
}

#nav-lang a:first-of-type::after {
    content: " ï¹€ ";
    vertical-align: middle;
    font-size: 14px;
    font-weight: 400 !important;
}

#nav-lang a:last-of-type {
    display: none;
}

#nav-lang:hover a:last-of-type {
    display: inline-block;
}

#current_nav>a {
    color: #fff !important;
    font-weight: bold;
}

.nav-other {
    height: 80px;
}

.nav-other #nav-lang {
    top: 25px;
}

.nav-other #nav_wrapper #nav_menu {
    height: 80px;
}

.nav-other #nav_wrapper #nav_menu .nav_item {
    height: 80px;
    line-height: 75px;
}

.nav-other #nav_wrapper #nav_menu .nav_item>a {
    color: #666;
}

.nav-other #current_nav>a {
    color: #000 !important;
    font-weight: bold;
}

/* banner */
.banner {
    position: relative;
    margin: 0 auto;
    width: 100%;
    height: 100vh;
}

.banner-other {
    height: 600px;
}

@media screen and (max-width: 1200px) {
    .banner {
        width: 1200px;
    }
}

.banner-mask {
    position: absolute;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.banner-other .banner-mask {
    height: 600px;
}

.banner-mask img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.banner-other .banner-mask img {
    height: 600px;
    object-position: bottom;
}

.banner-mask h1 {
    position: absolute;
    width: 100%;
    height: 100vh;
    color: #fff;
    z-index: 3;
    top: 0;
    left: 0;
    text-align: center;
    line-height: 100vh;
    font-size: 60px;
    font-weight: 200;
}

/* .banner-mask::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 440px;
    z-index: 1;
    background: rgba(114, 164, 135, 0.4);
} */

.banner-hover {
    position: absolute;
    left: 50%;
    bottom: -3px;
    margin-left: -250px;
    width: 500px;
    height: 150px;
}

.banner-hover h2 {
    color: #fff;
    font-size: 54px;
    text-align: center;
    font-weight: 200;
}



@keyframes flicker {

    0%,
    18%,
    22%,
    25%,
    53%,
    57%,
    100% {
        text-shadow: 0 0 4px #fff, 0 0 11px #fff, 0 0 19px #fff, 0 0 40px #0fa,
            0 0 80px #0fa, 0 0 90px #0fa, 0 0 100px #0fa, 0 0 150px #0fa;
    }

    20%,
    24%,
    55% {
        text-shadow: none;
    }
}

.banner-hover ul {
    position: absolute;
    left: 98px;
    top: 32px;
    width: 190px;
}

.banner-hover ul li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 19px;
    width: 154px;
    height: 40px;
    line-height: 40px;
    background: rgb(254, 184, 53);
    cursor: pointer;
}

.banner-hover ul li ::after {
    position: absolute;
    right: -40px;
    top: 0;
    content: "";
    border: 20px solid;
    border-color: transparent transparent transparent rgb(254, 184, 53);
    width: 0px;
    height: 0px;
}

.banner-hover ul li a {
    display: inline-block;
    width: 100%;
    color: #fff;
    font-size: 20px;
    letter-spacing: 0.15em;
    font-weight: 400;
}

.swiper {
    width: 100%;
    height: 100vh;
}

.swiper img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}

.swiper-button-next {
    right: 0;
    border: 20px solid;
    border-color: transparent transparent transparent rgb(217, 217, 217);
    width: 0px;
    height: 0px;
}

.swiper-button-next::after {
    content: "";
    position: absolute;
    border: 16.5px solid;
    border-color: transparent transparent transparent rgb(114, 164, 135);
    width: 0px;
    height: 0px;
    right: -14px;
}

#banner .swiper-pagination-bullets .swiper-pagination-bullet-active {
    background: #247672;
}

/* bottom */


.bottom-content-bg {
    width: 100%;
    background: #103333;
}

.bottom-content {
    margin: 0 auto;
    width: 1200px;
    height: 430px;
    background: #103333;
}

.bottom-content-left {
    padding-top: 80px;
    padding-left: 100px;
    width: 500px;
}

.bottom-content-right {
    padding-top: 75px;
    padding-left: 200px;
    padding-bottom: 50px;
    width: 400px;
    /*background: url("../images/earth.png") no-repeat 401px bottom;*/
}

.bottom-content-list {
    margin-top: 20px;
    width: 530px;
}

.bottom-content-list li {
    display: flex;
    margin-bottom: 20px;
    padding-left: 45px;
    width: 385px;
    flex-direction: column;
    flex: 2;
    font-size: 18px;
    justify-content: center;

}

.bottom-title {
    margin-bottom: 5px;
    width: 287px;
    height: 58px;
    text-align: left;
    line-height: 48px;
    font-size: 24px;
    font-weight: 400;
    color: #fff;
    letter-spacing: 2px;
}

.bottom-sub {
    display: none;
    padding: 20px 0 15px;
    text-align: left;
    font-size: 20px;
    color: #e0e4e4;
}

.bottom-content-list li:first-of-type {
    background: url("../images/location.png") no-repeat left 0;
    background-size: 38px 38px;
}

.bottom-content-list li:nth-of-type(2) {
    background: url("../images/phone.png") no-repeat center left;
    background-size: 38px 38px;
}

.bottom-content-list li:last-of-type {
    background: url("../images/email.png") no-repeat center left;
    background-size: 38px 38px;
}

.bottom-content-list li p {
    line-height: 24px;
    color: #e0e4e4;
}

.bottom-content-list li p a {
    color: #e0e4e4;
}

.bottom-content-nav {
    width: 250px;
}

.bottom-content-nav li {
    width: 239px;
    height: 46px;
    line-height: 56px;
}

.bottom-content-nav li svg {
    vertical-align: sub;
}

.bottom-content-nav li a {
    display: inline-block;
    color: #e0e4e4;
    font-size: 18px;
}

.bottom-content-nav li a:hover {
    color: #fff;
}

/* content */
.content {
    margin: 0 auto;
    width: 100%;
    min-height: 500px;
}

@media screen and (max-width: 1200px) {
    .content {
        width: 1200px;
    }
}

.content-crumb {
    margin: 35px auto 0;
    width: 900px;
    font-size: 24px;
}

.content-crumb a {
    color: rgb(45, 0, 0);
    font-size: 24px;
    text-decoration: underline;
}

.company {
    display: flex;
    margin: 25px auto 80px;
    width: 1200px;
    min-height: 400px;
}



.company-article {
    /* flex: 1;
    display: flex;
    text-align: center;
    justify-content: center;
    flex-direction: column; */
}

.company-title {
    width: 1200px;
    margin: 40px auto 20px;
    padding-top: 70px;
    padding-bottom: 30px;
    color: #000;
    text-shadow: 2px 2px 4px #ccc;
    font-weight: 400;
    font-size: 40px;
    text-align: left;
}


.company-article h4 {
    padding-top: 5px;
    padding-bottom: 18px;
    color: #000;
    font-weight: bold;
    font-size: 28px;
    text-align: center;
}

.company-article p {
    padding-bottom: 40px;
    line-height: 34px;
    font-size: 22px;
    color: #8e8a8d;
    text-align: justify;
    letter-spacing: 1px;
}

.company-article-item {
    padding-left: 20px;
    text-indent: 20px;
    /* text-align: left !important; */
    background: url(../images/item.png) no-repeat 10px 4px;
}

.company-article-item::before {
    /* content: " ";
    display: inline-block;

    background: #333;
    width: 14px;
    height: 14px;
    border-top-right-radius: 11px; */
}

.company-mission {
    margin-bottom: 200px;
    height: 319px;
    width: 100%;
    display: flex;
}

.company-mission-left {
    height: 319px;
    width: 50%;
    background: #2a8886;

}

.company-mission-right {
    height: 319px;
    width: 50%;
    background-image: linear-gradient(#060e23, #0a1531, #0d1b38, #0f1a38, #0d1b38, #0a1531, #060e23);
}

.company-mission-box {
    float: right;
    padding: 50px 180px 0 0;
    width: 420px;
}

.company-mission-box h2 {
    margin-bottom: 30px;
    color: #fff;
    font-size: 30px;
}

.company-mission-box p {
    color: #fff;
    font-size: 20px;
    line-height: 36px;
    text-align: justify;
}

@media screen and (max-width: 1200px) {
    .company-mission {
        width: 1200px;
    }

    .company-mission-left {
        width: 600px;
    }

    .company-mission-right {
        width: 600px;
    }
}

.service-box {
    margin: 0 auto 50px;
    width: 1200px;
    display: flex;
    justify-content: space-between;
}

.service-box-item {
    width: 580px;
}

.service-box img {
    margin-top: 10px;
    object-fit: contain;
    object-position: top;
}

.service-box-item p {
    color: #988a8d;
    font-size: 20px;
    line-height: 38px;
    text-align: justify;
}

.service-box-item .service-li {
    position: relative;
    padding-left: 25px;
}

.service-box-item .service-li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
}

.service-more-bg {
    margin-top: 150px;
    margin-bottom: 180px;
    width: 100%;
    background: #2a8886;
}

.service-more {
    margin: 0 auto;
    width: 1200px;
    height: 240px;
    line-height: 240px;
    background: #2a8886;
}

.service-more h1 {
    display: inline-block;
    font-size: 50px;
    font-weight: 300;
    color: #effeff;
    line-height: 240px;
}

.service-more a {
    margin-left: 350px;
    padding: 15px 80px;
    vertical-align: super;
    font-size: 28px;
    color: #effeff;
    border: 3px solid #effeff;
    border-radius: 8px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    -ms-border-radius: 8px;
    -o-border-radius: 8px;
}

.service-more a:hover {
    color: #fff;
    box-shadow: 3px 3px 15px #fff;
}

.product-box {
    margin: 0 auto;
    width: 1200px;
    display: flex;
    justify-content: space-between;
}

.product-pic {
    display: block;
    margin: 0 auto 120px;
    width: 1200px;
    height: 210px;
    display: flex;
    justify-content: space-between;
}

.product-pic>div {
    width: 780px;
    height: 210px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-box-item {
    width: 700px;
}

.product-box img {
    margin-top: 10px;
}

.product-box h3 {
    color: #2c8d91;
    font-size: 30px;
    line-height: 88px;
    /* margin-bottom: 30px; */
    font-weight: 400;
}

.product-box p {
    color: #988a8d;
    font-size: 20px;
    line-height: 32px;
    text-align: justify;
}

.content .index-title {
    position: relative;
    padding-top: 50px;
    padding-bottom: 45px;
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    color: #092e2e;
}

.content .index-title::before {
    /* content: "";
    position: absolute;
    margin-left: -68px;
    left: 50%;
    bottom: 6px;
    width: 40px;
    height: 3px;
    border-left: 48px solid rgb(114, 164, 135);
    border-right: 48px solid rgb(114, 164, 135); */
}

.content .index-title::after {
    /* content: "";
    position: absolute;
    margin-left: -8px;
    left: 50%;
    bottom: 0;
    width: 16px;
    height: 16px;
    background: rgb(114, 164, 135);
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg); */
}

.index-learn {
    margin: 80px auto;
    display: flex;
    width: 1200px;
    height: 520px;
}

.index-learn-left {
    padding: 0 30px;
    border-left: 3px solid #0a2e2e;
    width: 537px;
}

.index-learn-left h2 {
    padding-bottom: 80px;
    font-size: 38px;
    line-height: 38px;
    font-weight: 400;
}

.index-learn-left p {
    font-size: 20px;
    margin-bottom: 65px;
    color: #888;
    line-height: 34px;
    text-align: justify;
}

.index-learn-left a {
    padding: 8px 16px;
    color: #e0e4e4;
    background: #0f3232;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    position: relative;
    display: inline-block;
    -webkit-transition: all .25s ease-in-out;
    -o-transition: all .25s ease-in-out;
    transition: all .25s ease-in-out;
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    -o-transform: translate(0, 0);
    transform: translate(0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0)
}

.index-learn-left a:after {
    content: '';
    position: absolute;
    z-index: -1;
    -webkit-transition: all .25s ease-in-out;
    -o-transition: all .25s ease-in-out;
    transition: all .25s ease-in-out;
    width: 100%;
    height: 0;
    top: 0;
    left: 10%;
    background: rgba(255, 255, 255, .3);
    opacity: 0;
    -webkit-transform: translateX(-50%) translateY(-50%) rotate(60deg);
    -ms-transform: translateX(-50%) translateY(-50%) rotate(60deg);
    -o-transform: translateX(-50%) translateY(-50%) rotate(60deg);
    transform: translateX(-50%) translateY(-50%) rotate(60deg)
}

.index-learn-left a:hover:after {
    height: 400%;
    opacity: 1;
    -webkit-animation-name: bgin;
    animation-name: bgin;
    -webkit-transform: skew(-45deg) translate(-50%);
    transform: skew(-45deg) translate(-50%);
}

.index-learn-left a:hover {
    color: #fff;
}

@keyframes bgin {
    from {
        -webkit-transform: skew(-45deg) translate(-150%);
        transform: skew(-45deg) translate(-150%);
    }

    to {
        -webkit-transform: skew(-45deg) translate(-50%);
        transform: skew(-45deg) translate(-50%);
    }
}

.index-learn-right {
    position: relative;
    padding-left: 30px;
    width: 570px;
    overflow: hidden;
}

.index-learn-right img {
    width: 500px;
    height: 384px;
}

.index-learn-right .learn-mask {
    position: absolute;
    width: 440px;
    right: 0;
    bottom: 0;
    padding: 20px;
    background: rgba(14, 49, 49, .7);
}

.index-learn-right .learn-mask h3 {
    padding-bottom: 40px;
    color: #fff;
    font-weight: 400;
    font-size: 28px;
    letter-spacing: 2px;
}

.index-learn-right .learn-mask p {
    color: #fff;
    font-size: 20px;
    line-height: 40px;
    font-weight: 200;
    text-align: justify;
}






.index-question {
    position: relative;
    margin-bottom: 75px;
    width: 100%;
    height: 500px;
    background: url(../images/question.png) no-repeat center center;
    background-size: 1000px 720px;
}

@media screen and (max-width: 1200px) {
    .index-question {
        width: 1200px;
    }
}

.index-question-gradient {
    display: flex;
    justify-content: center;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-image: linear-gradient(to right,
            rgba(8, 18, 3, 0.8),
            rgba(36, 118, 114, 0.8),
            rgba(8, 18, 3, 0.8));
}

.index-question-item {
    position: relative;
    width: 400px;
    height: 500px;
}

.index-question-item:after {
    content: "";
    position: absolute;
    top: 105px;
    left: 115px;
    width: 160px;
    height: 160px;
    border: 3px solid #fff;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
}

.index-question-item img {
    display: block;
    width: 100px;
    height: 100px;
    margin: 140px auto 70px;
}

.index-question-item:nth-of-type(2) img,
.index-question-item:nth-of-type(3) img {
    width: 120px;
    height: 120px;
    margin: 128px auto 62px;
}

.index-question-item h2 {
    display: block;
    margin: 0 auto;
    color: #fff;
    width: 130px;
    font-weight: 400;
    text-align: center;
}

.index-service {
    margin: 0 auto 200px;
    width: 1200px;
    display: flex;
    justify-content: space-between;
}

.index-service-item {
    width: 375px;
}

.index-service-item img {
    width: 375px;
    height: 444px;
}

.index-service-item h2 {
    padding: 20px 0 16px;
    font-size: 26px;
    color: #092e34;
}

.index-service-item p {
    font-size: 20px;
    line-height: 28px;
    color: #888;
    text-align: justify;
}

.content-desc {
    margin: 0 auto;
    width: 900px;
    padding: 50px 0;
}

.content-desc p {
    margin-bottom: 20px;
    line-height: 28px;
    font-size: 22px;
    color: rgb(127, 127, 127);
    /* word-break: break-all; */
}

.product-list {
    margin: 0 auto;
    width: 900px;
    min-height: 500px;
}

.product-list li {
    display: flex;
    margin: 20px 0 70px;
    width: 900px;
    min-height: 100px;
    justify-content: space-between;
}

.product-list li .product-left {
    text-align: center;
    padding-top: 15px;
    width: 210px;
}

.product-list li .product-left img {
    margin-bottom: 15px;
    width: 200px;
    height: 200px;
    transition: all 0.5s ease;
    /* object-fit: cover; */
    object-fit: contain;
}

.product-list li .product-left img:hover {
    transform: scale(1.15);
    -webkit-transform: scale(1.15);
    -moz-transform: scale(1.15);
    -ms-transform: scale(1.15);
    -o-transform: scale(1.15);
}

.product-list li .product-left .buy-btn {
    display: inline-block;
    width: 130px;
    height: 40px;
    background: rgb(101, 155, 124);
    color: #fff;
    line-height: 42px;
    font-weight: bold;
    text-align: center;
}

.product-list li .product-right {
    width: 600px;
}

.product-table {
    width: 100%;
    table-layout: auto;
    border-collapse: collapse;
    display: table;
    box-sizing: border-box;
    text-indent: initial;
    border-spacing: 2px;
    border-color: grey;
}

.product-table thead th {
    border: 1px solid #ebeef5;
    padding: 10px 10px;
    background: rgb(101, 155, 124);
    color: #fff;
}

.product-table tbody td {
    border: 1px solid #ebeef5;
    padding: 10px 10px;
}

.product-table tbody tr:nth-child(even) {
    background: rgb(207, 206, 206);
}

.contact-content-list {
    margin: 50px auto 0;
    width: 900px;
}

.contact-content-list li {
    display: flex;
    padding-left: 45px;
    width: 855px;
    height: 70px;
    flex-direction: column;
    flex: 2;
    justify-content: center;
}

.contact-content-list li:first-of-type {
    background: url("../images/location1.png") no-repeat center left;
    background-size: 38px 38px;
}

.contact-content-list li:nth-of-type(2) {
    background: url("../images/phone1.png") no-repeat center left;
    background-size: 38px 38px;
}

.contact-content-list li:last-of-type {
    background: url("../images/email1.png") no-repeat center left;
    background-size: 38px 38px;
}

.contact-content-list li p {
    line-height: 24px;
    color: rgb(127, 165, 199);
    font-size: 18px;
}

.contact-box {
    margin: 50px auto;
    width: 900px;
    padding: 40px;
}



.contact-box .input-box {
    margin-bottom: 30px;
    position: relative;
}

.contact-box .input-box input {
    width: 100%;
    padding: 15px 5px;
    font-size: 20px;
    color: #000;
    margin-bottom: 30px;
    border: 2px solid #e7e7e7;
    outline: none;
    background: #f5f8fa;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
}

.contact-box .input-box label {
    position: absolute;
    top: -40px;
    left: 2px;
    padding: 10px 0;
    font-size: 24px;
    color: #000;
    pointer-events: none;
    transition: 0.5s;
}

.contact-box .input-box label::after {
    content: ' *';
    color: red;
}

.contact-box .input-box em {
    position: absolute;
    top: 56px;
    color: red;
    left: 2px;
}

.contact-btn {
    padding: 6px 26px;
    color: #e0e4e4;
    background: #0f3232;
    border-radius: 3px;
    font-size: 24px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    position: relative;
    display: inline-block;
    -webkit-transition: all .25s ease-in-out;
    -o-transition: all .25s ease-in-out;
    transition: all .25s ease-in-out;
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    -o-transform: translate(0, 0);
    transform: translate(0, 0);
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    overflow: hidden;
    cursor: pointer;
}


.contact-btn:after {
    content: '';
    position: absolute;
    z-index: -1;
    -webkit-transition: all .25s ease-in-out;
    -o-transition: all .25s ease-in-out;
    transition: all .25s ease-in-out;
    width: 100%;
    height: 0;
    top: 0;
    left: 10%;
    background: rgba(255, 255, 255, .3);
    opacity: 0;
    -webkit-transform: translateX(-50%) translateY(-50%) rotate(60deg);
    -ms-transform: translateX(-50%) translateY(-50%) rotate(60deg);
    -o-transform: translateX(-50%) translateY(-50%) rotate(60deg);
    transform: translateX(-50%) translateY(-50%) rotate(60deg)
}

.contact-btn:hover:after {
    height: 400%;
    opacity: 1;
    -webkit-animation-name: bgin;
    animation-name: bgin;
    -webkit-transform: skew(-45deg) translate(-50%);
    transform: skew(-45deg) translate(-50%);
}

.contact-btn:hover {
    color: #fff;
}



/**
* 弹窗样式
*
* --------------------------------*/
.pop-div {
    padding: 10px 0;
}

.pop-div h2 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #313131;
    line-height: 1;
    letter-spacing: 2px;
}

.pop-div p {
    font-size: 16px;
    color: #616161;
    line-height: 1.4;
    text-align: justify;
    padding: 10px;
    margin: 5px;
}