*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
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;
    background-color: #ddd;
}
.section1{
    background-size: cover;
    background-image: linear-gradient(to right, rgba(42, 42, 42, 0.71), rgba(38, 40, 40, 0.78)), url(./../img/about/bh_3.jpg);
    background-repeat: no-repeat, no-repeat, no-repeat;
    background-position: center;
    background-attachment: fixed;
    padding-top: 70rem;
    position: relative;
}
.container{
    margin-left: auto;
    margin-right: auto;
}
.section1 h1,.section1 p{
    color: #fff;
    text-align: justify;
    width:75%;
    padding-left:10%;
}
.section1 h1{
    font-size: 6rem;
}
.section1 p{
    font-size: 2rem;
}
.section1 .container{
    position: absolute;
    top: 20rem;
    left: 0;
    width: 100%;
}
section{
    margin-bottom: 40px;
}
.section-title 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;
}
.section2{
    padding-top: 40px;
}

.scroll-container {
    overflow: hidden;
    position: relative;
    padding: 1rem 0;
    box-sizing: border-box;
}
.scroll-wrapper {
    display: flex;
    position: absolute;
    white-space: nowrap;
    will-change: transform;
}
.scroll-item {
    flex-shrink: 0;
    transition: all 0.3s ease;
    position: relative;
    margin: 0 0.75rem; /* 图片间距 */
}
.scroll-item img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}
.scroll-item:hover img {
    transform: scale(1.05);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.exhibitions .exhibitions-item .item-img{
    border: 1px solid #EBEEF5;
    padding: 10px;
    border-radius: 6px;
}
.exhibitions .exhibitions-item .item-img img{
    width: 100%;
}
.exhibitions .exhibitions-item {
    margin-bottom: 15px;
    background: #fff;
    padding: 10px;
    border-radius: 6px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.exhibitions .exhibitions-item>div:not(:nth-child(1)){
    border-bottom: 1px solid #EBEEF5;
    line-height: 32px;
    padding: 5px;
}
.exhibitions .exhibitions-item>div span{
    font-size: 20px;
    font-weight:400;
    color: #6A6C73;
}
.exhibitions .exhibitions-item>div{
    color: #2D303B;
}


.single-img{
    border-top: 1px solid #DCD9D9;
    border-bottom: 1px solid #DCD9D9; 
    border-left: 1px solid #DCD9D9; 
}
.expo-img-owl{
    border-right: 1px solid #DCD9D9;
}
.single-img a{
    height: auto;
    display: inline-table;
}
.single-img img{
    /*filter: brightness(0) invert(58%);*/
    transition: transform 0.5s ease;
}
.single-img span{
    display: table-cell;
    vertical-align: middle;
}
.single-img:hover img{
    /*filter: brightness(1) invert(0)*/
    transform: scale(1.1);
}
.owl-carousel .owl-item .single-img img{width: auto; margin: auto}
.expo-img-area .section-title h2 {
    margin-bottom: 54px;
}

.owl-nav div {
    background: rgba(255, 255, 255, 0.7);
    color: #ddd;
    font-size: 18px;
    border-radius: 3px;
    height: 40px;
    left: -46px;
    line-height: 40px;
    margin-top: -20px;
    position: absolute;
    text-align: center;
    top: 50%;
    -webkit-transition: all 0.3s ease 0s;
    transition: all 0.3s ease 0s;
    width: 35px;
    z-index: 999;
}
.owl-carousel .owl-nav .owl-next {left: auto; right: -46px;}
.owl-carousel .owl-nav .owl-prev {left:  -46px; right:auto;}
.expo-img-area:hover .owl-carousel  .owl-nav div {left: 0;}
.expo-img-area:hover .owl-carousel .owl-nav .owl-next {left: auto;  right: 0;}
.expo-img-area:hover .owl-carousel .owl-nav .owl-prev {left: 0;  right: auto;}
.owl-carousel .owl-nav div:hover{/*rgba(0, 46, 91, 0.9);*/ color: #471A72}

.owl-carousel .owl-item .single-img img{width: auto; margin: auto}


@media (max-width:640px){
    .section1{
        padding-top: 50rem;
    }
    .section1 .container{
        top: 12rem;
    }
    .section1 h1{
        font-size: 3rem;
        width:100%;
        padding-left:5px;
    }
    .section1 p{
        font-size: 2rem;
        width:100%;
        padding-left:5px;
        text-align:left;
    }
}

@media (min-width: 992px) {
    #wrapper .container {
        width:670px
    }
}

@media (min-width: 1200px) {
    #wrapper .container {
        width:870px
    }
}