*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

h1, h2, h3, h4, h5, h6{
    font-weight: 400 !important;
}
html {
    scroll-behavior: smooth;
}
body {
    width: 100%;
    height: 100%;
    /*font-family: 'Open Sans', sans-serif;*/
    font-family: 'Poppins';
    font-weight: 300;
    color: #666;
    font-size: 16px;
    line-height: 1.6em;
}
a {
    color: #666;
}
.navbar-custom ul.nav li a{
    color: #fff;
}
.navbar-fixed-top.scrolled{
    background: #fff !important;
    box-shadow: 0 1px 6px rgba(0,0,0,.2);
    -webkit-box-shadow: 0 1px 6px rgba(0,0,0,.2);
    -moz-box-shadow: 0 1px 6px rgba(0,0,0,.2);
    -o-box-shadow: 0 1px 6px rgba(0,0,0,.2);
}
.navbar-custom .dropdown-menu li a{
    color: #444 !important;
}
.navbar-fixed-top.scrolled li a{
    color: #666  !important;
}

/* ���м */
.breadcrum-bg{
    position:absolute;
    z-index:100;
    padding-top:86px;
    padding-left:10vw;
}
.breadcrum-bg p a {
    font-size: 1.8rem;
    color: #fff;
}
.breadcrum-bg h2 {
    font-size: 4.2rem;
    color: #fff;
    font-weight: 600;
}
.breadcrum-bg p {
    font-size: 1.8rem;
    color: #fff;
    line-height: 2.5rem;
    max-width: 500px;
}

.section1{
    background-size: cover;
    background-image: linear-gradient(to right, rgba(42, 42, 42, 0.41), rgba(38, 40, 40, 0.48)), url(./../img/xs/xs_bg.jpg);
    background-repeat: no-repeat, no-repeat, no-repeat;
    background-position: center;
    background-attachment: fixed;
    padding-top: 70rem;
    position: relative;
}
.section1 div{
    position: absolute;
    bottom: 20rem;
    left: 10rem;
    color: #fff;
    text-align: left;
    width:700px;/*390px*/
}
.section1 div h1:nth-child(1){
    font-size: 40px;
}
.section1 div h1{
    font-size: 30px;
    margin-bottom: 30px;
    line-height:1.6em;
}

.section1 div p {
    width: 100%;
}
.container{
    margin-left: auto;
    margin-right: auto;
}
.section2{
    z-index: 9;
    position: relative;
}
.section2 .container{
    margin-top: -40px;
    background: #fff;
    border-radius: 10px;
}
.section2 .container div{
    line-height: 55px;
    text-align: center;
    border-radius: 10px;
}
.section2 .container .row > div{
    height: 110px;
    margin-bottom: 15px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    display: flex;
    align-items: center;
    justify-content: center;
}
.section2 .container p{
    font-size: 18px;
    margin: 0;
}
.section3{
    margin-top: 40px;
}
.section3 .container .row>div{
    padding: 0 10px;
    text-align: center;
    overflow: hidden;
    cursor: pointer;
}
.section3 .container .row .img-box {
    height: 350px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.section3 .container .row .img-box + div {
    height: 100px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    background: #efefef;
    overflow: hidden;
    box-sizing: border-box;
}
.section3 .container .row .img-box + div p{
    margin: 5px 0;
}
.section3 .container div img{
    height: 300px;
    transition:all ease-in-out .3s ;
}
.section3 .container .row div a:hover img{
    transform: scale(1.2);
}

.title-tag h1{
    margin: 0 0 30px;
    font-family: 'Poppins';
    font-weight: 400;
    color: #444;
    line-height: 1em;
    text-align: center;
}
.divider-short{
    background: #003892;
    display: block;
    width: 100px;
    height: 2px;
    margin: 0 auto 30px;
    opacity: .4;
}
.section4{
    padding-top: 40px;
}
.section4 .row .col-lg-6{
    margin-bottom: 30px;
}
.section4 .row .col-lg-6 > div{
    background: #efefef;
    padding: 20px 40px 20px;
    height: 375px;
    /*text-align:justify;*/
}
.section4 .row div h1{
    color: #4572c3;
    font-weight: normal;
    margin-bottom: 15px;
}
.section4 .row div p{
    color: #8b8584;
    margin-bottom: 10px;
    text-indent: 20px;
}
video{
    width: 100%;
    min-height: 500px;
    position: unset;
}
/* 响应式调�?*/
@media (max-width: 767px) {
    .section1 div{
        left: 50%;
        text-align: center;
        transform: translateX(-195px);
    }
}

/* 按钮样式 */
.btn {
    background-color: white;
    color: #1E40AF;
    font-weight: 600;
    padding: 1rem 2rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.btn:hover {
    background-color: #f3f4f6;
    transform: scale(1.03);
}
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: absolute;
    width: 70%;
    max-width: 900px;
    padding: 1rem;
}

.close-modal {
    position: absolute;
    top: -3rem;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: #e5e7eb;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 比例 */
    background-color: #111827;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (max-width:767px) {

    .section1 div{
        color: #fff;
        text-align: center;
        width:390px;
        padding-left:5px;
    }

    .section4 .row .col-lg-6 > div{
        background: #efefef;
        padding: 20px 40px 20px;
        height: 400px;
    }
    .section4 .row .col-lg-6 > div h1{
        font-size:24px;
    }

    .title-tag h1{

        /*font-family: 'Open Sans', sans-serif;*/
        font-size:18px;
        font-weight: 300;
        color: #444;
    }

}