html, body {
    width: 100%;
    font-family: "Microsoft Yahei", Arial, serif;
}

body {
    background-color: #F0F2F5;
}

.top-line {
    width: 100%;
    height: 40px;
    background: #1863A4;
    line-height: 40px;
}

.top-line a {
    color: #b2bed2;
    text-decoration: none;
    transition: color 500ms;
}

.top-line a:hover {
    color: #fff;
}

.space-40 {
    height: 40px;
}

.space-20 {
    height: 20px;
}

.space-55 {
    height: 55px;
}

.space-70 {
    height: 70px;
}

.space-100 {
    height: 100px;
}

.top-bar {
    width: 100%;
    height: 150px;
    padding: 10px;
    background-size: contain;
    background: #2D58BA url("../img/title-bg.png") no-repeat;
    background-size: cover;
}

.top-bar .top-bar-texts {
    display: flex;
    word-break: keep-all;
    column-gap: 20px;
    text-align: left;
    padding-right: 30px;
    color: rgba(255, 255, 255, .85);
}


@media (max-width: 1428px) {
    .top-bar .top-bar-texts {
        font-size: .8rem;
    }
}

@media (max-width: 1202px) {
    .top-bar .top-bar-texts {
        font-size: .5rem;
    }
}

@media (max-width: 1068px) {
    .top-bar .top-bar-texts {
        display: none;
    }
}


.w-max-50 {
    max-width: 50%;
}

.split-line {
    height: 7vw;
    width: 1px;
    background: #F2F4FA;
    max-height: 50px;
}

.split-line-blue {
    height: 1vw;
    width: 100%;
    background: #1863A4;
    max-height: 12px;
}

.page-title {
    color: #F2F4FA;
    font-size: 2rem;
}

@media (max-width: 1428px) {
    .page-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 1228px) {
    .page-title {
        font-size: 1.5rem;
    }
}

.bg-blue {
    background: #1863A4;
}

.height-100px {
    height: 100px;
}

.cover-img {
    object-fit: cover;
}

.pd-w-mb-12 {
    padding: 0;
}

.pd-w-pc-60 {
    padding: 0 60px;
}

.pd-w-pc-120 {
    padding: 0 2vw;
}

.pd-w-pc-10vw {
    padding: 0 10vw;
}


.main-content {
    padding: 0 10vw;
    box-sizing: border-box;
    overflow: hidden;
}


@media (max-width: 767.98px) {
    .pd-w-pc-60,
    .pd-w-pc-120,
    .pd-w-pc-10vw,
    .main-content {
        padding: 0;
    }

    .pd-w-mb-12 {
        padding: 0 12px;
    }

    .top-bar .top-bar-texts {
        display: none;
    }
}


/**
 * 导航条相关
 */
.nav {
    height: 55px;
    color: #fff;
    line-height: 55px;
    background-color: #1863A4;
    transition: background-color 300ms;
    box-sizing: border-box;
    padding: 0 120px;
}

.nav a {
    color: #fff;
    background-color: #1863A4;
    text-decoration: none;
    text-align: center;
    width: 100%;
    display: block;
    transition: color 500ms, background-color 300ms;
}

.nav a:hover {
    background-color: #1d72bc;
}

.nav .nav-item {
    position: relative;
    transition: background-color 300ms ease-in-out;
}

.nav .nav-item .nav-item-text {
    padding: 0 2.3em;
}

@media (max-width: 1600px) {
    .nav .nav-item .nav-item-text {
        padding: 0 2em;
    }
}

@media (max-width: 1574px) {
    .nav .nav-item .nav-item-text {
        padding: 0 2em;
        font-size: 1rem;
    }

    .nav {
        padding: 0;
    }
}

@media (max-width: 1264px) {
    .nav .nav-item .nav-item-text {
        padding: 0 1.2em;
        font-size: .95rem;
    }

    .nav {
        padding: 0;
    }
}

@media (max-width: 846px) {
    .nav .nav-item .nav-item-text {
        padding: 0 1em;
        font-size: .7rem;
    }
}


.nav .active-item {
    border-bottom: 4px solid #fff;
}

.nav .nav-item .sub-menu {
    display: none;
    position: absolute;
    z-index: 999;
    background-color: #1d72bc;
    transition: background-color 300ms;
    width: 100%;
}

.nav .nav-item .sub-menu .sub-menu-item {
    width: 100%;
}

.nav .nav-item .sub-menu .sub-menu-item .nav-item-text {
    padding: 0;
}

.nav .nav-item:hover {
    /*background-color: #1d72bc;*/
}

.nav .nav-item:hover a {
    color: #fff;
}

.nav .nav-item:hover .sub-menu {
    display: block;
    animation: navItemShow 300ms;
}

@keyframes navItemShow {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.color-line {
    width: 100%;
    height: 4px;
    background-color: #0191ff;
}

.color-line-dark {
    width: 100%;
    height: 4px;
    background-color: #2D58BA;
}

.nav-fixed {
    position: fixed;
    top: 0;
    left: 0;
    background-color: #1863A4;
    width: 100%;
    z-index: 999;
    height: 55px;
}

.nav-fixed-hide {
    display: none;
}

.nav-open-button {
    font-size: 20px;
    color: #efefef;
}

.mobile-nav {
    padding-left: 1rem;
}

.mobile-nav .active-item {
    background-color: #f1f4f8;
    border-radius: 5px;
}

.mobile-nav a {
    display: block;
    color: #0a2253;
    text-decoration: none;
    width: 100%;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
}

.mobile-sub-nav {
    padding-left: 2.5rem;
}

.mobile-sub-nav a {
    color: #2D58BA;
}

@media (max-width: 1100px) {
    .nav {
        padding: 0 10px;
        font-size: .8rem;
    }
}

@media (max-width: 767.98px) {
    .nav {
        display: none;
    }
}


/**
 * 学院介绍
 */
.intro-text {
    box-sizing: border-box;
    padding: 10px 0;
    text-align: center;
    color: #fff;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

@media (max-width: 767.98px) {
    .intro-text {
        box-sizing: border-box;
        padding: 0;
        text-align: center;
        color: #fff;
    }

    .intro-text > div {
        width: 100%;
        padding: 12px;
    }

    .intro-text > div:nth-child(2n) {
        background-color: #3c5cb7;
    }

    .intro-text > div:first-child {
        padding-top: 22px;
    }

    .intro-text > div:last-child {
        padding-bottom: 22px;
    }

}

/**
 * 板块
 */
.section-title {
    padding: 30px;
    font-size: 2rem;
    font-weight: bold;
    color: #1863A4;
}

/**
 * 卡片
 */
.card-panel {
    width: 100%;
    padding: 15px;
}

.card-panel .card-panel-title {
    display: flex;
    line-height: 40px;
    border-bottom: 2px solid #1863A4;
    font-size: 1.2rem;
    letter-spacing: 0.2rem;
    align-items: center;
}

.card-panel .card-panel-title .title-decoration {
    background-color: #1863A4;
    width: 20px;
    height: 40px;
    position: relative;
}

.card-panel .card-panel-title .title-decoration::after {
    position: absolute;
    content: '';
    background-color: #1863A4;
    width: 20px;
    height: 2px;
    bottom: -1px;
}

.card-panel .card-panel-title .title-space {
    background-color: #fff;
    width: 3px;
    height: 12px;
    margin-right: 8px;
    margin-left: 5px;
}

.card-panel .card-panel-title .second-size {
    font-size: .8rem;
    letter-spacing: 0.1rem;
}

.card-panel .card-panel-title a {
    color: #6D757C;
    text-decoration: none;
}

.card-panel .card-panel-title a:hover {
    color: #333;
    text-decoration: none;
}


.card-panel .card-panel-title-solid {
    background-color: #1863A4;
    color: #fff;
}

.card-panel .card-panel-title-solid .text-secondary a {
    color: #fff;
}


.card-content {
    padding: 10px 0;
}

.card-content ul {
    color: #1863A4;
    padding-left: 39px;
}

.card-content ul li {
    padding: 5px 0;
    list-style: disc;
    cursor: pointer;
}

.card-content ul li a {
    color: #333;
    text-decoration: none;
    display: block;
    width: 100%;
    transition: color 500ms;
    font-size: .9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-content ul li a:hover {
    color: #1863A4;
}

.card-content ul .time-title a {
    display: flex;
    column-gap: 12px;
}

.card-content ul .time-title a span {
    flex: 1;
    display: block;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-content ul .time-title a .time {
    color: #888;
    font-weight: normal;
    font-size: .8rem;
}

/**
 * 底部
 */

.footer {
    padding: 30px 0;
    background-color: #1863A4;
    background-image: url("../img/foot.jpg");
    background-size: cover;
    background-position: center;
}

.footer-text {
    padding: 10px 0;
    font-size: .8rem;
    text-align: center;
    color: #fff;
}

.footer-text a {
    color: #fff;
    font-weight: bold;
}

/**
 * 页面标题
 */
.page-title-panel {
    height: 50px;
    position: relative;
}

.page-title-panel .panel-float-div {
    position: absolute;
    height: 100px;
    margin-top: -50px;
    z-index: 2;
    width: 100%;
    left: 0;
    top: 0;
    box-shadow: 0 8px 5px rgba(0, 0, 0, .1);
    background-size: 250px 100px;
    background: #fff url("../img/page-title-bg.png") no-repeat 0 0;
}

.page-title-panel .panel-float-div .page-title-info {
    color: #fff;
    font-size: 1.7rem;
    width: 200px;
    letter-spacing: .2rem;
    line-height: 100px;
    text-align: center;
}

.page-breadcrumb-border {
    height: 100px;
    width: 93px;
    background: #fff url("../img/page-title-right.png") no-repeat 0 0;
}

.page-breadcrumb-content {
    height: 100px;
    background-color: #ebeced;
}

.page-breadcrumb-content .breadcrumb {
    background-color: #ebeced;
    padding-bottom: 0;
}

/**
 * 面包屑
 */
.breadcrumb {
    font-size: .8rem;
}

.breadcrumb a {
    color: #989898;
    text-decoration: none;
}

/**
 * 文章正文
 */
.article {
    padding: 16px;
    overflow-x: hidden;
}

.article p {
    text-indent: 2em;
    word-break: break-all;
}

.article img {
    max-width: 100%;
    margin-bottom: 20px;
    margin-left: 50%;
    transform: translateX(-50%);
}

/**
 * 移动端适配
 */
.show-in-mobile {
    display: none;
}

.hide-in-mobile {
    display: block;
}

.hide-in-mobile-visible {
    visibility: inherit;
}

@media (max-width: 767.98px) {
    .page-title {
        font-size: 1rem;
    }

    .hide-in-mobile {
        display: none;
    }

    .hide-in-mobile-visible {
        visibility: hidden;
    }

    .show-in-mobile {
        display: block;
    }


    #topBar {
        top: 40px;
        left: 0;
        position: fixed;
        z-index: 999;
        height: 70px;
    }

    .w-max-50 {
        max-width: 55%;
    }

}

/**
 * 滚动相关
 */
.fit-img img {
    object-fit: cover;
    height: 600px;
    width: 100%;
    max-height: 50vh;
}

.news-img img {
    object-fit: cover;
    height: 280px;
    width: 100%;
}

.news-title {
    position: absolute;
    bottom: 0;
    padding: 16px 100px 16px 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
    color: #fff;
    background-color: rgba(27, 30, 33, 0.5);
}

.bg-course {
    background-image: url("../img/course-bg.png");
    background-size: cover;
    padding: 30px;
}

.course-title {
    font-weight: bold;
    width: 6rem;
    color: #1E2027CC;
}

.course-flex {
    display: flex;
    padding: 12px 0;
    column-gap: 20px;
}

.course-group {
    display: flex;
    flex-direction: column;
    row-gap: 20px;
}

.course-list {
    display: none;
    grid-template-columns: repeat(6, 1fr);
    grid-column-gap: 20px;
    grid-row-gap: 20px;
    padding: 20px;
    box-sizing: border-box;
    border: 2px solid #fff;
    border-radius: 0 12px 12px 12px;
    background-color: rgba(255, 255, 255, .5);
}

.course-tab-active {
    display: grid;
}


@media (max-width: 1970px) {
    .course-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1342px) {
    .course-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1038px) {
    .course-list {
        grid-template-columns: repeat(2, 1fr);
        border-radius: 0 0 12px 12px;
    }
}

@media (max-width: 767.98px) {
    .course-list {
        grid-template-columns: repeat(1, 1fr);
    }

}
@media (min-width: 767.98px) {
    .fit-img img{
        height: 600px;
        max-height: 68vh;
    }

}


.course-list a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    color: #eee;
    background-image: linear-gradient(to right, #2580EB, #46A7FE);
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    text-decoration: none;
    transition: color 300ms;
    column-gap: 12px;
}

.course-list a img {
    width: 30px;
}

.course-list a:hover {
    text-decoration: none;
    background-image: linear-gradient(to right, #46A7FE, #46A7FE);
    color: #fff;
}