/* 以下样式不用修改 开始*/
/* 默认ul 无需修改 */
.nav_menustyle_1_1 ul {
    list-style-type: none;
    padding: 0px;
    margin: 0px;}
/* 默认li 无需修改 */
.nav_menustyle_1_1 li {
    float: left;
    text-align: center;
    position: relative;}
/* 2级以上 li 无需修改 */
.nav_menustyle_1_1 > ul > li:after li ul li {
    float: none;
    z-index: 100;}
/* 3级以上默认ul 无需修改 */
.nav_menustyle_1_1 ul li ul li ul {
    left: 100%;
    top: 0px;}
/* IE6下的table样式 无需修改 */
.nav_menustyle_1_1 table {
    position: absolute;
    left: 0px;
    border-collapse: collapse;
    border-spacing: 0;
    z-index: 100;}
.nav_menustyle_1_1 table table {
    top: 0px;}
.nav_menustyle_1_1 td {
    padding: 0;}
/* 共6级导航子菜单打开关闭控制 无需修改 */
.nav_menustyle_1_1 li ul,
.nav_menustyle_1_1 li:hover ul li ul,
.nav_menustyle_1_1 li:hover ul li:hover ul li ul,
.nav_menustyle_1_1 li:hover ul li:hover ul li:hover ul li ul,
.nav_menustyle_1_1 li:hover ul li:hover ul li:hover ul li:hover ul li ul {
    display: none;}
.nav_menustyle_1_1 li a:hover ul li ul,
.nav_menustyle_1_1 li a:hover ul li a:hover ul li ul,
.nav_menustyle_1_1 li a:hover ul li a:hover ul li a:hover ul li ul,
.nav_menustyle_1_1 li a:hover ul li a:hover ul li a:hover ul li a:hover ul li ul {
    visibility: hidden;}
.nav_menustyle_1_1 li a:hover ul,
.nav_menustyle_1_1 li:hover ul,
.nav_menustyle_1_1 li:hover ul li:hover ul,
.nav_menustyle_1_1 li:hover ul li:hover ul li:hover ul,
.nav_menustyle_1_1 li:hover ul li:hover ul li:hover ul li:hover ul,
.nav_menustyle_1_1 li:hover ul li:hover ul li:hover ul li:hover ul li:hover ul {
    display: block;
    position: absolute;}
.nav_menustyle_1_1 li a:hover ul li a:hover ul,
.nav_menustyle_1_1 li a:hover ul li a:hover ul li a:hover ul,
.nav_menustyle_1_1 li a:hover ul li a:hover ul li a:hover ul li a:hover ul,
.nav_menustyle_1_1 li a:hover ul li a:hover ul li a:hover ul li a:hover ul li a:hover ul {
    visibility: visible;}
/* 默认a属性 无需修改 */
.nav_menustyle_1_1 a {
    display: block;
    text-decoration: none;
    white-space: nowrap;}
/* 以上样式不用修改 结束*/
/* 默认链接样式 可以修改默认的 字体、颜色、宽度、高度、背景色、边框等*/
.nav_menustyle_1_1 a {
    width: 90px; /*菜单宽度*/
    height: 25px; /*菜单高度*/
    line-height: 25px; /*字体高度, 可设为菜单高度*/
    font-size: 14px; /*字体大小*/
    color: #000; /*字体颜色*/
    background: #eeeeee; /*背景色*/
    border: 1px solid #fff; /*边框颜色*/
    border-width: 0px 1px 1px 0px;
    font-weight: bold;}
/* 默认hover链接样式 可以设置默认的鼠标移上样式 */
.nav_menustyle_1_1 a:hover {}
/* IE6兼容性代码，在IE6下起效， 必须根据菜单高宽进行设定 */
.nav_menustyle_1_1 table {
    top: 26px;}
.nav_menustyle_1_1 table table {
    left: 91px;}
/* 2级以上链接样式 可以修改2级以上菜单的 字体、颜色、宽度、高度、背景色、边框等*/
.nav_menustyle_1_1 ul li ul li a {}
/* 2级以上hover链接样式 可以修改2级以上菜单的鼠标移上样式*/
.nav_menustyle_1_1 ul li ul li a:hover {}
/* 3级以上链接样式 可以修改3级以上菜单的 字体、颜色、宽度、高度、背景色、边框等*/
.nav_menustyle_1_1 ul li ul li ul li a {}
/* 3级以上hover链接样式 可以修改3级以上菜单的鼠标移上样式*/
.nav_menustyle_1_1 ul li ul li ul li a:hover {}

/* ===== 新增样式 ===== */
/* 一级菜单项 */
.nav_menustyle_1_1 > ul > li {
    margin: 0 12px;
    position: relative;}

@media (max-width: 1024px) {
    .nav_menustyle_1_1 > ul > li {
        border-bottom: 2px solid #c0c0c0
    ;}
}
.header.scrolled-header .nav_menustyle_1_1 > ul > li:after,
.header.scrolled-header .nav_menustyle_1_1 > ul > li:before {
    background: #2687eb;}

.nav_menustyle_1_1 > ul > li:first-child:before {
    content: "";
    position: absolute;
    left: -15%;
    top: 25%;
    height: 50%;
    width: 3.5px;
    border-radius: 3px;
    background: #fff;}

.nav_menustyle_1_1 > ul > li:after {
    content: "";
    position: absolute;
    right: -14%;
    top: 25%;
    height: 50%;
    width: 3px;
    border-radius: 3px;
    background: #fff;}

/* 通用链接样式 */
.nav_menustyle_1_1 a {
    width: auto;
    height: 60px;
    line-height: 60px;
    padding: 0 20px;
    font-size: 17px;
    font-weight: bold;
    color: #fff;
    background: transparent;
    border: none;
    transition: all 0.3s ease;
    position: relative;}

/* 悬停下划线动画 */
.nav_menustyle_1_1 > ul > li > a::after {
    content: "";
    position: absolute;
    bottom: 10px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #4dabf7;
    transition: all 0.3s ease;
    transform: translateX(-50%);}

.nav_menustyle_1_1 > ul > li:hover > a::after {
    width: 60%;}

/* 下拉菜单样式 */
.nav_menustyle_1_1 ul li ul {
    min-width: 220px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    opacity: 0;
    transition: all 1s ease;
    overflow: hidden;}

body .nav_menustyle_1_1 ul li:hover > ul {
    visibility: visible;
    animation: show 0.3s ease-out;
    animation-fill-mode: forwards;
    display: flex;
    flex-flow: column;}

@media (max-width: 1024px) {
    .nav_menustyle_1_1 ul li.active> ul {
        visibility: visible;
        animation: show 0.3s ease-out;
        animation-fill-mode: forwards;}
    
    .nav_menustyle_1_1 a:hover {
        background: #2687eb;
        color: #FFF !important;}
}

@keyframes show {
    0% {
        opacity: 0;
        transform: translateY(20px);}
    100% {
        opacity: 1;
        transform: translateY(0);}
}
/* 二级+菜单项 */
.nav_menustyle_1_1 ul li ul li a {
    height: 48px !important;
    line-height: 48px !important;
    color: #333 !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;}

.nav_menustyle_1_1 ul li ul li a:hover {
    background: #f8f9fa !important;
    color: #1c7ed6 !important;
    padding-left: 24px !important;}

/* 三级菜单定位 */
.nav_menustyle_1_1 ul li ul li ul {
    left: 100% !important;
    top: -8px !important;}

        .news-item {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
            height: 400px;
            gap: 10px;
            transition: all 0.4s ease;
            background-color: #fff;}

        .news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);}

        /* 图片容器 */
        .img-container {
            width: 100%;
            height: 100%;
            overflow: hidden;
            position: relative;}

        .img-container::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 50%;
            background: linear-gradient(to bottom, rgba(0, 153, 255, 0), rgba(0, 43, 86, 0.7));
            z-index: 1;
            transition: opacity 0.4s ease;}

        .news-item:hover .img-container::after {
            opacity: 0.9;}

        .img-container img {
            width: 100% !important;
            height: 100% !important;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);}

        .news-item:hover .img-container img {
            transform: scale(1.08);}

        /* 新闻内容 */
        .news-content {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 20px;
            box-sizing: border-box;
            z-index: 2;
            color: #fff;
            transform: translateY(5px);
            opacity: 0.9;
            transition: all 0.4s ease;}

        .news-item:hover .news-content {
            transform: translateY(0);
            opacity: 1;}

        .news-date {
            font-size: 14px;
            font-weight: 500;
            display: block;
            margin-bottom: 8px;
            opacity: 0.85;
            transform: translateY(5px);
            transition: transform 0.4s ease 0.1s;}

        .news-item:hover .news-date {
            transform: translateY(0);}

        .news-item:hover .title-text {
            margin-bottom: 5px;}

        .news-title {
            text-decoration: none;
            color: #fff;
            display: block;
            position: relative;
            overflow: hidden;}



        .title-text {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
            display: inline-block;
            transform: translateY(5px);
            transition: all 0.4s ease 0.15s;
            margin-bottom: 15px;}

        .news-item:hover .title-text {
            transform: translateY(0);}

        /* 摘要文本 */
        .abstract-text {
            margin-top: 10px;
            font-size: 14px;
            line-height: 1.6;
            color: #fff;
            overflow: hidden;
            transition: all 0.3s ease;
            display: none;
            max-height: 0;}

        .news-item:hover .abstract-text {
            display: block;
            animation: slideDown 0.3s ease-in-out forwards;}

        @keyframes slideDown {
            0% {
                opacity: 0;
                transform: translateY(20%);}

            100% {
                opacity: 1;
                transform: translateY(0);
                max-height: 400px;}
        }

        .sub-news-title {
            text-decoration: none;
            color: #2c3e50;
            transition: all 0.3s ease;
            display: block;
            position: relative;
            padding-left: 12px;}

        .sub-news-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background-color: #3498db;
            transform: translateY(-50%) scale(0.8);
            transition: transform 0.3s ease;}

        .sub-news-title:hover {
            color: #3498db;
            transform: translateX(5px);}



        .sub-news-title:hover::before {
            transform: translateY(-50%) scale(1.2);}

        .sub-news-item {
            padding: 18px 15px;
            border-bottom: 2px solid #e0e0e0;
            transition: all 0.3s ease;
            display: flex;
            justify-content: space-between;
            align-items: center;}

        .sub-news-item:hover {
            background-color: #f9f9f9;}
.list-item {
    font-weight: 500;
    color: #222;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
    border: 1px solid #fff;
    border-radius: 5px;
    margin: 15px 0;
    font-size: 0.9rem;
    display: grid;
    grid-template-columns: auto 120px;
    transition: all 0.2s;}
.list-item .list-date {
    text-align: right;
    color: #999;
    font-size: 0.8rem;}
.list-item:hover {
    color: #2687eb;}

.excellent-students {
    display: grid;
    grid-template-columns: repeat(4, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;}

.excellent-students .desc {
    font-size: 0.9rem;
    color: #4a5568;
    margin: 15px 0;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.6rem;
    text-align: left;}

.excellent-students .title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a365d;
    margin-top: 20px;
    margin-bottom: 10px;
    transition: color 0.3s ease;}

.excellent-students img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #e6f0ff;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.2);
    transition: all 0.5s ease;}

.excellent-students .content {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
    padding: 30px 25px;
    background-color: #fff;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
    border: 1px solid #e6f0ff;}

.excellent-students .content::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #1e40af, #3b82f6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;}

.excellent-students .content:hover {
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.2);
    transform: translateY(-10px);}

.excellent-students .content:hover::before {
    transform: scaleX(1);}

.excellent-students .content:hover img {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    border-color: #bfdbfe;}

.excellent-students .content:hover .title {
    color: #2563eb;}