input,
button {
    /* 去掉轮廓线 */
    outline: none;
    border: none;
}

.inp::placeholder {
    color: #999 !important;
    opacity: 1;
}
.logoimg{
    width: 700px;
}
.dropdown>a>span{
    width: 120px;
}
.dhltz{
    margin-top: 10px;
}

@media screen and (max-width: 1910px) {
    .dropdown,
    .sy {
        font-size: 17px;
    }
    .logoimg{
    width: 620px;
    }
    .sy {
        width: 55px;
    }
    .dropdown-menu a{
    font-size: 16px;
}
}

@media screen and (max-width: 1536px) {
    .dropdown,
    .sy {
        font-size: 15px;
    }
    .logoimg{
    width: 650px;
    }
    .dhltz{
    margin-top: 15px;
    }
    .dropdown-menu a{
    font-size: 14px;
    }
    .gdtz{
        height: 120px;;
    }
    .dropdown>a>span {
        width: 100px;
    }
}

/* 二级导航栏样式 */
.dropdown {
    position: relative;
    min-width: 85px;
}

.dropdown-menu {
    /* display: none; */
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) scaleY(0);
    transform-origin: top;
    background-color: white;
    min-width: 140px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.5s;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scaleY(1);
}

.dropdown-item {
     padding: 12px 2px; 
    color: #333;
    text-decoration: none;
    display: block;
    transition: all 0.2s;
    line-height: 25px;
}

.dropdown-item:hover {
    background-color: #004CD8;
    color: white;
}

/* 轮播图相关样式 */

.news-carousel-container {
    overflow: hidden;
}

.carousel-track {
    display: flex;
    width: 100%;
}

.carousel-slide {
    flex: 0 0 100%;
    position: relative;
}

.prev-btn,
.next-btn {
    transition: all 0.3s ease;
}

.prev-btn:hover,
.next-btn:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.indicator-dot.active {
    background-color: white;
    background-opacity: 100;
}



/* 搜索 */
.ser-layer {
    background: rgba(0, 0, 0, 0.6);
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-out 0s;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
    backdrop-filter: blur(.05rem);
    z-index: 10000;
    /* 必须高于其他元素 */
    pointer-events: auto;
    /* 允许点击 */
}

.ser-layer.showdiv {
    opacity: 1;
    visibility: visible;
}

.ser-layer .serclose {
    font-size: .3rem;
    position: absolute;
    right: 1.3rem;
    top: 1.25rem;
    text-align: center;
    line-height: .3rem;
    cursor: pointer;
    color: #fff;
    font-family: 'lib';
}

.ser-layer .serform {
    width: 90%;
    margin: 0 auto;
    /* margin: 0\0; */
    transform: translateY(1.5rem);
    transition: .2s .1s
}

.ser-layer.showdiv .serform {
    transform: translateY(0);
    transition: .5s .3s
}

.ser-layer .serform .input-group {
    max-width: 25.5rem;
    margin: 0 auto;
    position: relative;
}

.ser-layer .serform .input-group .sub {
    position: absolute;
    right: 0;
    top: 0;
    width: 2.8rem;
    height: 2.5rem;
    overflow: hidden;
    background: 0 0;
    cursor: pointer;
    border-radius: 0 .05rem .05rem 0
}

.ser-layer .serform .input-group .sub:after {
    content: '';
    position: absolute;
    top: .6rem;
    bottom: 0;
    left: 0;
    z-index: 2;
    right: 0;
    background: url(../images/ser.png) no-repeat;
}

.ser-layer .serform .input-group .inp {
    height: 2.5rem;
    border: 0;
    border-right: 0;
    padding-right: 1.2rem;
    width: 100%;
    padding-left: 2.2rem;
    background: #fff;
    border-radius: .4rem;
    font-size: 18px;
    color: #333;
    /* 确保文字颜色足够深 */
    position: relative;
    /* 确保层级正确 */
    z-index: 2;
    /* 提高层级 */
}

.swi-close-outlined:before {
    content: "\00d7";
    /* × 符号 */
    font-weight: bold;
    font-size: 2.24rem;
}


/*科研进展*/
.page-title h1 {
    background: url(../image/icon-06.png) no-repeat left center;
}

.box {
    position: relative;
    padding-top: 20px;
    /* margin-bottom: 40px; */
}

.content-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    opacity: 1;
    visibility: visible;
}

.content-box.hidden {
    opacity: 0;
    visibility: hidden;
}

.left-box {
    width: 60%;
    /* 让左侧盒子占据剩余宽度 */
    height: 500px;
    /* float: left; */
    overflow: hidden;
    position: relative;
}

.left-box .swiper-pagination {
    text-align: right;
    padding-right: 10px;
}

.left-box .swiper-pagination-bullet {
    background-color: #fff;
}

.left-box a {
    width: 100%;
    height: 100%;
    display: block;
    -webkit-transition: all 0.2s ease-in-out;
    -moz-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}

/*  .left-box a:hover{ transform: scale(1.02);} */
.left-box .pic {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 0;
}

.left-box .pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.left-box .con {
    position: absolute;
    z-index: 1;
    bottom: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px;
}

.left-box .con h2 {
    font-size: 20px;
    color: #fff;
    font-weight: normal;
}

.right-box {
    width: 38%;
    /* float: right; */
}

.list {
    background: #2989E6;
    display: block;
    overflow: hidden;
    margin-bottom: 26px;
    -webkit-transition: all 0.2s ease-in-out;
    -moz-transition: all 0.2s ease-in-out;
    transition: all 0.2s ease-in-out;
}

.list:hover {
    /* background: rgba(70, 122, 207, 1); */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform: scale(1.05);
}

.list .date {
    display: block;
    float: left;
    /* padding-top: 8px; */
    color: #fff;
    width: 80px;
    height: 80px;
    background: #fbca00;
    text-align: center;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

.list .date span:first-child {
    font-size: 36px;
    font-weight: bold;
}

.list .con h2 {
    font-weight: normal;
    height: 80px;
    display: flex;
    align-items: center;
    color: #fff;
    padding: 10px 15px;
    font-size: 16px;
}


/*.sy ,*/
/*.dropdown a{*/
/*    font-family: "宋体", SimSun, "STSong", "华文宋体", serif;*/
/*}*/
/*.sy span,*/
/*.dropdown a span{*/
/*    font-family: "Times New Roman", Times, "Times NR", serif;*/
/*}*/


.sy, .dropdown a {
    /* 替换为跨系统兼容的黑体字体族 */
    font-family: "SimHei", "Microsoft YaHei", "Heiti SC", "PingFang SC", "WenQuanYi Micro Hei", "Noto Sans CJK SC", sans-serif;
    /* 可选：补充黑体适配的字重（避免默认加粗导致变形） */
    /*font-weight: normal;*/
}
.sy span,
.dropdown a span{
        font-family: "方正正大黑简体", "FZzhengdaHei-B02S", "SimHei", "Microsoft YaHei", "Heiti SC", sans-serif;
}