/* 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;}

.student-header {
    border-bottom: 1px solid #eaeaea;
    padding-bottom: 20px;
    margin-bottom: 30px;}
.student-title {
    font-size: 28px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
    text-align: center;}
.student-info {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #888;
    font-size: 14px;
    margin-bottom: 20px;}
.info-item {
    display: flex;
    align-items: center;
    margin: 0 15px;}
.info-item img {
    width: 16px;
    height: 16px;
    margin-right: 5px;}
.student-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;}
.student-avatar {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #fff;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;}
.student-content {
    padding: 0 20px 20px;
    line-height: 1.8;}
.custom-properties {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;}
.navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eaeaea;}
.prev,
.next {
    margin: 10px 0;}
a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;}
a:hover {
    color: #2980b9;}