/*页面元素从下到上出现动画效果*/
@keyframes slideInTop {
    from {
        transform: translateY(100%); /* 从屏幕底部开始 */
        opacity: 0; /* 初始透明度为0 */
    }
    to {
        transform: translateY(0); /* 移动到最终位置 */
        opacity: 1; /* 最终透明度为1 */
    }
}

.slideInTop {
    animation-name: slideInTop;
    animation-duration: 1s; /* 动画持续时间 */
    animation-timing-function: ease-out; /* 动画缓动函数 */
    animation-fill-mode: forwards; /* 动画结束后保持最终状态 */
}

.main-menu nav > ul > li >a{
    font-size: 0.8vw;
}


.container-fluid{
    padding: 0 15% !important;
}
.index-title-1{
    font-size: 4.5vw;
    letter-spacing: 3px;
    line-height: 5vw;
    text-transform: uppercase;
}
.index-slider-des{
    font-size: 1.2vw;
    font-family: "Arial", sans-serif;
    color: #004B97;
    font-weight: 400;
    width: 40vw;
    padding-bottom: 2vw;
}
.index-title-2 {
    font-size: 3.5rem;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-family: 'hel',sans-serif;
    letter-spacing: 2px;
}
.index-title-3{
    font-family: 'Arial' , sans-serif;
    font-size: 2.5rem;
    color: #7796b3;
    font-weight: 200;
}
.index-des {
    font-size: 1.2rem;
    color: white;
    padding-bottom: 15px;
    /*width: 70%;*/
    letter-spacing: 0.6px;
    border-bottom: 2px solid white;
    padding-left: 0px !important;
    /*padding-right:40px !important;*/
}

#sticky-header{
    background-color: #F6F6F7;
}
.slider-area{
    position: relative;
    width: 100%;
}
.slider-area img{
    width: 100%;
    object-fit: cover;
    background-position: center;
}
.slider-area .index-center-box{
    font-family: 'hel',sans-serif;
    letter-spacing: 2px;
    width: 100%;
    font-weight: 600;
    color: #fff;
    padding:  0 15%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.index-icon-r{
    position: relative;
    font-weight: 300;
    font-size: 1vw !important;
    top: -0.6vw;
    left: 0;
}
/*header*/
.main-menu nav ul li:nth-child(3) .sub-menu li{
    margin-right: 25px !important;
}
.main-menu nav ul li:nth-child(3) .sub-menu{
    justify-content: start !important;
}
.sub-menu{
    display: flex;
    justify-content: space-around;
    padding: 20px 30%;
    color: #222222 !important;
}
.main-menu nav ul li:nth-child(4) .sub-menu,
.main-menu nav ul li:nth-child(5) .sub-menu {
    justify-content: start !important;
}
.sub-menu a{
    color: #222222 !important;
}
.header-child-title{
    font-size: 0.8vw;
    font-weight: 650;
    letter-spacing: 0.3px;
    margin-bottom: 5px;
}
.sub-icon{
    transform: translateX(80%);
}
.header-child-ul li a{
    font-size: 0.7vw;
    letter-spacing: 0.2px;
}

.index-btn-1>a{
    font-family: 'huipu',sans-serif;
    letter-spacing: -0.5px;
    font-size: 0.9vw;
    text-transform: uppercase;
    display: inline-block;
    height: 100%;
    text-align: center;
    padding: 0.3vw 3.5vw;
    font-weight: 550;
    /*width: 10rem;*/
    /*line-height: 2rem;*/
}
.index-btn-1>a:first-child{
    background-color: #36393a;
    color: white;
}
.index-btn-1>a:last-child {
    background-color: #ffffff;
    color: #36393a;
}

.index-2{
    background-color: #004B97;
    /*height: 40rem;*/
}
.index-2 .container-fluid{
    padding: 0 15% !important;
}
.index-page-item {
    /*margin-right: 8px;*/
    /*width: 22%;*/
    /*background-color: white;*/
    margin-top: 5px;
    padding-left: 5px !important;
    padding-right:5px !important;

}
.index-page-item-content{
    background-color: white;
}
.index-item-title {
    font-size: 16px;
    color: #004b97;
}
@media (max-width: 1298px) {
    .index-item-title {
        height: 50px;
    }
}
.index-item-des {
    color: #36393a;
    /*line-height: 1rem;*/
    overflow: hidden;
    /*padding-bottom: 0.5vw;*/
    font-size: 10px;
    letter-spacing: 0.4px;
}
.index-item-btn>a {
    display: inline-block;
    background-color: #36393a;
    color: #ffffff;
    font-size: 9px;
    padding: 4.5px 15px;
    margin-bottom: 5px;
}

/**/

.index-3{
    width: 100%;
}
.index-3{
    width: 100%;
}
.index-4 {
    /*display: flex;*/
    /*align-items: center;*/
    /*justify-content: center;*/
    background-color: white;
    /*padding: 0 15%;*/
}
.index-4-title {
    font-family: 'hel';
    letter-spacing: 2px;
    font-size: 42px;
    color: #36393a;
    margin-bottom: 10px;
}
.index-4-des {
    font-family: 'arial';
    font-size: 1.2rem;
    color: #004b97;
    margin-bottom: 5px;
}
.index-4-btn>a {
    background-color: #36393a;
    color: white;
    font-size: 12px;
    font-family: 'huipi';
    display: inline-block;
    padding: 5px 70px;
    text-transform: uppercase;
    text-align: center;
    white-space: nowrap;
    /*width: 50%;*/
}
.index-decorete-box{
    padding-left: 0;
    margin-left: 0;
}

.index-decorete-box2 {
    width: 45%;
    background-color: white;
    height: 1vw;
}

/*index-6*/
.index-6 {
    background-color: #f4f6f7;
}
.index-6-title {
    text-align: center;
    color: #36393a;
    font-family: 'hel';
    letter-spacing: 2px;
    font-size: 42px;
    font-weight: 800;
}
.index-6-title>span {
    color: #004b97;
}
.index-pro-item-box{
    justify-content: center;
    padding: 0 3rem
}
.index-6 .index-pro-item {
    margin: 0 5px;
    width: 30%;
    background-color: white;
}
.index-6-item{
    padding: 0;
    background-color: #fff;
    margin-right: 20px;
}
.index-pro-item-box .index-6-item:last-child {
    /*margin-right: 0;*/
}
.index-6-item img{
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}
.index-6-btn a{
    display: inline-block;
    background-color: #36393a;
    color: #ffffff;
    font-size: 12px;
    padding: 4.5px 15px;
    margin-bottom: 5px;

}
.index-pro-item-des>div:nth-child(1) {
    font-family: 'arial';
    color: #004b97;
    font-size: 18px;
    /*height: 5vw;*/
}
.index-pro-item-btn{
    margin-top: 20px;
}
.index-pro-item-btn>a {
    background-color: #36393a;
    color: #ffffff;
    font-size: 0.8vw;
    padding: 0.3vw 1vw;
    text-transform: uppercase;
}



.index-7 .index-center-box{
    width: 100%;
    padding: 0 18%;
}
.index-7-item{
    justify-content: center;
}
.index-7-img {
    margin-right: 5%;
}
.index-7-img img{
    width: 45vw;
    margin-right: 5%;
}
.index-7-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 10%;
}
.index-7-title {
    font-family: 'hel';
    letter-spacing: 2px;
    font-size: 2.5vw;
    font-weight: 800;
    color: #36393a;
    margin-bottom: 1.2vw;
}
.index-7-des {
    font-family: 'arial';
    font-size: 1.2rem;
    color: #004b97;
    margin-bottom: 10px;
}
.index-7-btn>a:nth-child(1) {
    background-color: #004b97;
    color: white;
    margin-right: 3px;
}
.index-7-btn>a {
    color: white;
    font-size: 0.8vw;
    font-family: 'huipi';
    display: inline-block;
    padding-top: 0.3vw;
    padding-bottom: 0.3vw;
    text-transform: uppercase;
    text-align: center;
    width: 49%;
    background-color: #36393a;
}

.index-8{
    /*position: relative;*/
    /*overflow: hidden;*/
}
.index-pro-item{
    max-width: 520px;
    background-color: #fff;
    margin-right: 8px;
}
.index-pro-item .index-pro-item-img{
    /*height: 15vw;*/
    width: 100%;
}
.index-pro-item img{
    width: 100%;
}
.index-pro-item-des{
    padding-top: 20px;
}
.index-pro-item-des div{
    display: -webkit-box; /* 必须结合 -webkit-box-orient 使用 */
    -webkit-box-orient: vertical; /* 垂直排列子元素 */
    -webkit-line-clamp: 2; /* 限制显示的行数 */
    overflow: hidden; /* 超出部分隐藏 */
    text-overflow: ellipsis;
}
.index-8-box{
    width: 100%;
    padding: 0 18%;
    /*position: absolute;*/
    /*top: 50%;*/
    /*left: 50%;*/
    /*transform: translate(-50%, -50%);*/
}
.index-8-box{
    width: 100%;
    padding: 0 18%;
}

/*@media (max-width: 780px) {
    .index-8 .index-pro-item{
        max-width: 100px;
    }
    .slick-slide{
        width: 100px !important;
    }
}*/

.slick-1{
    width: 100%;
    display: flex;
    justify-content: center;
}
.slick-prev , .slick-next{
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: 3.5vw;
    height: 3.5vw;
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}
.slick-prev i , .slick-next i{
    font-size: 1.5vw;
}
.slick-prev{
    position: absolute;
    top: 50%;
    left: -6vw;
}
.slick-next{
    position: absolute;
    top: 50%;
    right: -5vw;
}

/*footer*/
.footer-container {
    color: white;
    width: 100%;
    background-color: #36393a;
    /*height: 25vw;*/
    padding: 50px 0;
}
.footer-bottom-box{
    padding: 0 13%;
}
.footer-bottom-box .container-fluid{
    padding-left: 5% !important;
    padding-right: 5% !important;
    padding-top: 50px !important;
}
.footer-des{
    font-size: 1.2rem;
}
.footer-top{
    /*padding: 0 3%;*/
}
.footer-bottom{
    border-top: 1px solid white;
}
.search-box{
    width: 240px;
    height: 52px;
    border-radius: 1000px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    background-color: #eeeeee;
}
.search-box input{
    border: 0;
    margin-left: 15px;
    /*width: 280px;
    height: 65px;*/
    font-size: 15px;
    width: 170px;
    background-color: #eeeeee;
}
.search-box input::placeholder{
    color: gray;
    font-size: 15px;
}

/*联系我们*/
.contact-1 {
    position: relative;
    background: #004b97;
    height: 23vw;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
.contact-1 .contact-banner{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 77%;
    height: 50%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.contact-title {
    display: inline-block;
    font-size: 6.8vw;
    color: #004b97;
    font-weight: 600;
    text-transform: uppercase;
    font-family: 'hel';
    letter-spacing: 2px;
    margin-bottom: 0.7vw;
}
.contact-sub-title {
    font-family: 'arial';
    font-size: 1.6vw;
    color: #004b97;
    /*margin-bottom: 0.5vw;*/
}
.contact-2{
    padding: 5vw 20%;
    display: flex;
    justify-content: space-between;
}
.contact-title-1 {
    font-size: 2.4vw;
    color: #004b97;
    font-weight: 700;
    text-transform: uppercase;
    font-family: 'hel';
    letter-spacing: 2px;
    margin-bottom: 0.3vw;
}
.contact-sub-title {
    font-family: 'arial';
    font-size: 1.6vw;
    color: #004b97;
    margin-bottom: 0.5vw;
}
.form-item{
    width: 22vw;
    height: 3vw;
    margin: 0 0 10px 0;
}
.form-item input{
    width: 100%;
    height: 3vw;
    border: 1px solid #eee;
    border-radius: 0.3vw;
    padding: 0 15px ;
    font-size: 1vw;
    color: gray;
}
.form-item textarea{
    width: 100%;
    border: 1px solid #eee;
    border-radius: 0.3vw;
    padding: 15px;
    font-size: 1vw;
    color: gray;
}
.form-item input::placeholder,
.form-item textarea::placeholder {
    color: gray;
    opacity: 1;
    font-size: 0.8vw;
}
.form-btn{

}
.form-btn input{
    width: 12vw;
    background-color: #004b97;
    border: 0;
    color: white;
    font-size: 1vw;
    padding: 0.5vw 0;
}

/*视频播放*/
.modal{
    position: fixed;
    top: 50%;
    left: 50%;
    transform:translate(-50%, -50%);
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}