@media screen and (max-width: 1420px) {
    /* .index-pages .block2 .block-wrapper {
        gap: 50px;
    }
    .index-pages .block2 .left {
        max-width: 450px;
        padding-left: 200px;
    } */
}
@media screen and (max-width: 1300px) {
    .teacher-pages .public-main-r .block-main .lists,
    .research-pages .public-main-r .block-main .lists,
    .student-pages .public-main-r .block-main .lists {
        width: 100%;
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
    .teacher-pages .public-main-r .block-main .lists .item:nth-child(3n+1)::after,
    .research-pages .public-main-r .block-main .lists .item:nth-child(3n+1)::after,
    .student-pages .public-main-r .block-main .lists .item:nth-child(3n+1)::after  {
        display: none;
        display: none;
    }
    .teacher-pages .public-main-r .block-main .lists .item:nth-child(2n+1)::after,
    .research-pages .public-main-r .block-main .lists .item:nth-child(2n+1)::after,
    .student-pages .public-main-r .block-main .lists .item:nth-child(2n+1)::after {
        display: block;
    }
}
@media screen and (max-width: 1200px) {
    html, body {
        font-size: 14px;
    }
    header {
        display: none;
        min-width: auto;
    }
    footer .footer-top .footer-top-l {
        width: 100%;
        display: block;
    }
    footer .footer-top .footer-top-l img {
        display: block;
        margin: 0 auto;
    }
    main {
        padding-top: var(--header-h5-height);
    }
    .side-nav {
        display: block;
    }
    .header-h5 {
        width: 100%;
        height: var(--header-h5-height);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 15px;
        background-color: #fff;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        position: fixed;
        top: 0;
        z-index: 1000;
    }
    .header-left .logo img {
        height: 35px;
    }
    /* 搜索框样式 */
    .header-center {
        flex-grow: 1;
        margin: 0 15px;
    }
    .header-h5 .search-box {
        display: flex;
        background-color: #fff;
        border-radius: 40px;
        overflow: hidden;
        height: 40px;
        max-width: 280px;
        margin-left: auto;
        align-items: center;
        border: solid 1px #efefef;
        padding-right: 10px;
        padding-left: 10px;
    }
    .header-h5 .search-box input {
        flex-grow: 1;
        border: none;
        background: transparent;
        font-size: 1rem;
        height: auto;
        outline: none;
        width: 100%;
    }
    .header-h5 .search-box .search-btn {
        background: transparent;
        border: none;
        cursor: pointer;
        color: #666;
        display: flex;
        align-items: center;
    }

    /* 汉堡菜单按钮样式 */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 24px;
        height: 24px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }
    .menu-toggle .bar {
        height: 3px;
        width: 100%;
        background-color: #333;
        border-radius: 2px;
        transition: all 0.3s ease-in-out;
    }
    .menu-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* --- 侧边导航和遮罩层样式 --- */
    .side-nav {
        position: fixed;
        top: 0;
        right: -250px;
        width: 250px;
        height: 100%;
        background-color: var(--theme-color);
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
        transition: right 0.2s ease-in-out;
        z-index: 999;
        padding-top: var(--header-h5-height)
    }
    .side-nav.is-open {
        right: 0;
        overflow-y: scroll;
    }
    .side-nav .nav-link {
        display: flex;
        align-items: center;
        color: #f1f1f1;
        border-bottom: 1px solid var(--theme-color-light);
        transition: background-color 0.2s;
        font-size: 1rem;
        height: 60px;
        padding: 0 20px;
        background-color: var(--theme-color);
    }
    .side-nav .nav-link:hover {
        background-color: var(--theme-color-light);
    }
    .side-nav .nav-link > img {
        width: 90px;
    }
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
        z-index: 998;
    }
    .overlay.is-open {
        opacity: 1;
        visibility: visible;
    } 
    .side-nav .dropdown-toggle {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .side-nav .dropdown-toggle::after {
        content: '';
        display: inline-block;
        width: 6px;   /* 箭头宽度 */
        height: 6px;  /* 箭头高度 */
        border-left: 2px solid #666; /* 左边框 */
        border-bottom: 2px solid #666; /* 下边框 */
        transform: rotate(-45deg); /* 旋转 -45 度，形成一个指向右下角的箭头 */
        transition: transform 0.3s ease; /* 添加旋转过渡 */
        flex-shrink: 0; /* 防止箭头被压缩 */
    }
    .side-nav .nav-item-dropdown.is-open > .dropdown-toggle::after {
        transform: rotate(135deg);
    }
    .side-nav .dropdown-wrapper {
        display: grid;
        grid-template-rows: 0fr;
        transition: grid-template-rows 0.4s ease-in-out;
    }
    .side-nav .dropdown-wrapper .dropdown-toggle {
        padding-left: 20px;
    }
    .side-nav .nav-item-dropdown.is-open > .dropdown-wrapper {
        grid-template-rows: 1fr;
    }
    .side-nav .dropdown-menu {
        /* 必须要给高度不然默认会影藏 */
        height: auto; 
        overflow: hidden; 
        padding: 0;
        margin: 0;
    }
    .side-nav .dropdown-item {
        display: flex;
        color: #333;
        border-bottom: 1px solid #eee;
        display: flex;
        align-items: center;
        height: 50px;
        padding-left: 20px;
        background-color: #f5f5f5;
    }
    .side-nav .dropdown-item img {
        width: 40px;
        height: 40px;
        object-fit: contain;
        margin-right: 5px;
    }
    .side-nav .dropdown-item:hover {
        background-color: var(--theme-color-light);
    }
    .side-nav .dropdown-menu .dropdown-menu .dropdown-item {
        padding-left: 30px;
    }
    .index-pages .block1 .block-title .title {
        align-items: center;
    }
    .index-pages .block1 .block-title .title-l,
    .index-pages .block2 .block-title .title-l {
        font-size: 2rem;
        margin-right: 10px;
    }
    .index-pages .block1 .block-title .title-r {
        gap: 10px;
    }
    .index-pages .block1 .block-title .button {
        width: 120px;
        height: 40px;
    }
    .index-pages .block1 .block-title .button img {
        margin-left: 10px;
    }
    .index-pages .banner {
        height: 400px;
    }
    .index-pages .block1 .block-main .left {
        max-width: 400px;
    }
    .index-pages .block1 .block-main .left .img-box {
        height: 380px;
    }
    .index-pages .block1 .block-main .left .swiper-pagination {
        bottom: 140px;
    }
    .index-pages .block1 .block-main .right .item {
        height: auto;
        padding: 15px 0;
    }
    .index-pages .block1 .block-main {
        gap: 20px;
    }
    .index-pages .block1 .block-main .left .text-box {
        padding: 10px;
    }
    .index-pages .block1 .block-main .left .text-box .date {
        margin-right: 15px;
    }
    .index-pages .block1 .block-main .left .text-box .text-n {
        font-size: 1.1rem;
        line-height: 1.5;
    }
    .index-pages .block1 .block-main .right {
        padding: 20px;
    }
    .index-pages .block1 .block-main .right .item .bottom-text {
        font-size: 1rem;
    }
    .index-pages .block2 .block-wrapper {
        gap: 50px;
    }
    .index-pages .block2 .left {
        padding-left: 150px;
    }
    .download-pages .public-main-r .block-main .lists .item .text {
        font-size: 1rem;
    }
}

@media (max-width: 900px) {
    #pages {
        margin: 0;
    }
    .public-banner {
        height: 200px;
    }
    .public-main {
        flex-direction: column;
    }
    .public-main .public-main-l {
        width: 100%;
    }
    .public-main .public-main-r {
        width: 100%;
    }
    .public-main .public-main-r .block-title {
        padding: 15px 20px;
    }
    .public-main .public-main-r .block-main {
        padding: 0 20px 40px;
    }
    .public-main .public-main-r .block-title__left {
        font-size: 1.2rem;
    }
    .public-main .public-main-r .block-title__right {
        font-size: 1rem;
    }
    .public-main .public-main-l .nav-title {
        font-size: 1.5rem;
    }
    .public-main .public-main-l .nav-list .item {
        font-size: 1.2rem;
    }
    .news-pages .public-main .block-main .lists .item {
        gap: 30px;
    }
    .news-pages .public-main .block-main .lists .item .left {
        font-size: 1rem;
    }
    .news-details-pages .public-main .public-main-r .block-main .title {
        font-size: 1.5rem;
    }
    .introduction-pages .public-main .public-main-r .block-main {
        padding: 40px 20px;
    }
    .research-details-pages .public-main-r .block-main {
        padding: 20px;
    }
    .service-pages .public-main-r .block-main form .row .radio-box {
        margin-right: 0px;
    }
    .student-details-pages .public-main-r .block-main .info {
        margin-top: 20px;
        flex-direction: column;
        gap: 25px;
    }
    .student-details-pages .public-main-r .block-main .info .img-box {
        margin: 0 auto;
    }
    .student-details-pages .public-main-r .block-main .info .right-top {
        gap: 15px;
    }
    .teacher-details-pages .public-main .public-main-r .block-main .nav-box {
        background-color: #EBEBEB;
        justify-content: space-between;
        padding: 0 10px;
    }
    .teacher-details-pages .public-main {
        gap: 20px;
    }
    .teacher-details-pages .public-main .main-left {
        margin: 0 auto;
    }
    .teacher-details-pages .public-main .main-left .name {
        font-size: 1.5rem;
    }
    .teacher-details-pages .public-main .main-left .info {
        font-size: 0.9rem;
    }
    .teacher-details-pages .breadcrumb-block {
        padding: 0 10px;
        width: 100%;
    }
    .teacher-details-pages .breadcrumb-block .right {
        font-size: 1rem;
    }
    .teacher-details-pages .public-main .public-main-r .block-main .nav-box .cell {
        font-size: 1rem;
        flex: auto;
    }
    .teacher-details-pages .public-main .public-main-r .block-main .content-box .item .text-t {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    html, body {
        font-size: 12px;
    }
    footer .footer-top {
        padding: 68px 10px 30px;
    }
    footer .footer-top .lists {
        column-gap: 20px;
    }
    .header-left .logo img {
        height: 25px;
    }
    .teacher-pages .public-main-r .block-main .lists,
    .research-pages .public-main-r .block-main .lists,
    .student-pages .public-main-r .block-main .lists {
        width: 100%;
        grid-template-columns: repeat(1, minmax(220px, 1fr));
    }
    .teacher-pages .public-main-r .block-main .lists .item:nth-child(3n+1)::after,
    .research-pages .public-main-r .block-main .lists .item:nth-child(3n+1)::after,
    .student-pages .public-main-r .block-main .lists .item:nth-child(3n+1)::after  {
        display: none;
        display: none;
    }
    .teacher-pages .public-main-r .block-main .lists .item:nth-child(n+1)::after,
    .research-pages .public-main-r .block-main .lists .item:nth-child(n+1)::after,
    .student-pages .public-main-r .block-main .lists .item:nth-child(n+1)::after {
        display: block;
    }
    .index-pages .banner {
        height: 300px;
    }
    .index-pages .block1 .block-title .title-l,
    .index-pages .block2 .block-title .title-l {
        font-size: 1.8rem;
    }
    .index-pages .block1 .block-title .title-r .text,
    .index-pages .block2 .block-title .title-r .text {
        font-size: 0.8rem;
    }
    .index-pages .block1 {
        margin: 50px auto;
    }
    .index-pages .block1 .block-main {
        flex-direction: column;
    }
    .index-pages .block1 .block-main .left {
        max-width: none;
    }
    .index-pages .block2 .block-wrapper {
        flex-direction: column;
        height: auto;
        padding-bottom: 80px;
    }
    .index-pages .block2 .left {
        max-width: none;
        padding-bottom: 100px;
        padding-left: 50px;
    }
    .index-pages .block2 .right {
        max-width: none;
        padding: 0 10px;
    }
    .index-pages .block2 .right .tabs-label {
        gap: 20px;
    }
    .leader-pages .public-main .public-main-r .block-main,
    .institution-pages .public-main .public-main-r .block-main {
        padding: 40px 10px;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .right,
    .institution-pages .public-main .public-main-r .block-main .lists .right {
        padding: 0 10px;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .right .name,
    .institution-pages .public-main .public-main-r .block-main .lists .right .name {
        font-size: 1.2rem;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .right .info,
    .institution-pages .public-main .public-main-r .block-main .lists .right .info {
        margin-top: 10px;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .right .info > *,
    .institution-pages .public-main .public-main-r .block-main .lists .right .info > * {
        line-height: 1.5;
        word-break: break-all;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .right .info > div,
    .institution-pages .public-main .public-main-r .block-main .lists .right .info > div {
        margin-bottom: 10px;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .item,
    .institution-pages .public-main .public-main-r .block-main .lists .item {
        height: auto;
    }
    .leader-pages .public-main .public-main-r .block-main .lists .item .left,
    .institution-pages .public-main .public-main-r .block-main .lists .item .left {
        width: 200px;
    }
}