body {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background: #fff;
    color: #000;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: #C8102E;
    color: #fff;
    box-shadow: none;
    border-radius: 0;
    margin: 0;
    padding: 0;
}

/* 顶部导航栏仿照fulab.sites.northeastern.edu */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100vw;
    margin: 0;
    padding: 0 1.5rem 0 1.5rem;
    height: 56px;
    background: #fff;
    box-shadow: none;
    border-bottom: 1px solid #eee;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: #222;
    font-family: 'Segoe UI', 'Arial', sans-serif;
    /* margin-right: 2rem; */
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
    align-items: center;
}
.nav-links li a {
    color: #222;
    text-decoration: none;
    font-size: 1.25rem;
    font-family: 'Segoe UI', 'Arial', sans-serif;
    transition: color 0.2s, text-decoration 0.2s;
    font-weight: 400;
}
.nav-links li a:hover {
    color: #A4804A;
    text-decoration: underline;
}

/* 语言切换按钮无背景、无边框、无圆角，仅文字 */
.lang-btn {
    background: none !important;
    color: #222 !important;
    border: none !important;
    border-radius: 0 !important;
    font-weight: 600 !important;
    font-size: 1.3rem !important;
    padding: 0 !important;
    margin-left: 0.7rem;
    box-shadow: none !important;
    text-decoration: none;
    transition: color 0.2s, text-decoration 0.2s;
}
.lang-btn:hover {
    color: #A4804A !important;
    text-decoration: underline !important;
    background: none !important;
    border: none !important;
}

/* 研究页面样式 */
/* 优化研究领域三列横排样式 */
.research-grid {
    display: flex;
    justify-content: center;
    align-items: stretch; /* 关键：让子项等高 */
    gap: 1.5rem;
    flex-wrap: nowrap;
    margin: 2rem 0 0 0;
    width: 100%;
    box-sizing: border-box;
}
.research-item {
    background: #f8f9fa;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border-left: 4px solid #C8102E;
    padding: 2rem 1.3rem 1.7rem 1.3rem;
    flex: 1 1 0;
    max-width: 480px;
    min-width: 320px;
    margin: 0;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
    box-sizing: border-box;
}
.research-item:hover {
    box-shadow: 0 4px 24px rgba(200,16,46,0.10);
}
.research-item h3 {
    color: #C8102E;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.1rem;
    text-align: center;
}
.research-item p {
    color: #444;
    font-size: 1.08rem;
    line-height: 1.7;
    text-align: center;
}
@media (max-width: 1100px) {
    .research-grid {
        gap: 1rem;
        flex-wrap: wrap;
    }
    .research-item {
        max-width: 100%;
        min-width: 200px;
    }
}
@media (max-width: 800px) {
    .research-grid {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        flex-wrap: wrap;
    }
    .research-item {
        width: 95%;
        max-width: 500px;
    }
}

.applications ul {
    padding-left: 1.5rem;
}

.applications li {
    margin-bottom: 1rem;
    line-height: 1.6;
}
@media (max-width: 1100px) {
    main {
        margin: 2rem 1.5rem !important; 
    }
}
main {
    max-width: 1200px;
    margin: 2rem auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 1rem 1rem;
    flex: 1;
}



.welcome h1 {
    color: #000;
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.welcome p {
    font-size: 1.15rem;
    line-height: 1.7;
}

.news h2 {
    color: #C8102E;
    margin-top: 2rem;
}

.news ul {
    padding-left: 1.2rem;
}

.news li {
    margin-bottom: 0.7rem;
    font-size: 1.05rem;
}

.news-list {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}
.news-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.5em;
    line-height: 1.8;
}
.news-date {
    min-width: 5.5em;
    display: inline-block;
    color: #000;
    font-weight: 400;
    margin-right: 0.5em;
    text-align: right;
}
.news-award {
    color: #C8102E;
    font-weight: bold;
}
.news-journal {
    font-weight: bold;
}
.news-list, .news-list li, .news-journal {
    white-space: normal !important;
    word-break: break-all;
}

footer {
    background: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0 0.5rem 0;
    font-size: 1rem;
    margin-bottom: 0;
    width: 100vw;
    min-width: 100vw;
    box-sizing: border-box;
    border-radius: 0 !important;
    left: 0;
    right: 0;
    position: relative;
}
footer .school-title {
    font-family: 'Georgia', serif;
    font-size: 1.05rem;
    font-weight: 400;
    margin-bottom: 0.2rem;
    text-align: center;
    width: 100%;
}
footer .school-colleges {
    color: #fff;
    font-size: 1.15rem !important;
    margin: 1.2rem 0 1.2rem 0;
    text-align: center;
    letter-spacing: 0.2px;
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
    line-height: 2.2;
    width: 100%;
}
footer .school-colleges a {
    color: #fff;
    text-decoration: none;
    padding: 0 0.2rem;
    transition: color 0.2s;
    font-family: 'Georgia', serif;
    font-size: 1.15rem !important;
    font-weight: 600 !important;
}
footer .school-colleges a:hover {
    color: #A4804A;
    text-decoration: underline;
}
footer .school-copyright {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.65rem !important;
    color: #ccc !important;
    opacity: 0.85;
    margin-top: 1.2rem;
    margin-bottom: 0.7rem;
    line-height: 2.2;
}

/* 上联：学校名称栏 */
.school-header {
    display: flex;
    align-items: center;
    background: #000;
    color: #fff;
    height: 48px;
    padding: 0;
    border-radius: 0;
}
.school-logo {
    background: #C8102E;
    color: #fff;
    font-family: serif;
    font-size: 2rem;
    font-weight: bold;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    margin-left: 0;
    margin-right: 0.7rem;
}
.school-title {
    font-family: 'Georgia', serif;
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: #fff;
}

/* 下联：学校版权栏 */
.school-footer {
    background: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 2rem 0.5rem 2rem;
    font-size: 1rem;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    margin-bottom: 0;
}
.school-footer .school-title {
    font-family: 'Georgia', serif;
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 0.2rem;
}
.school-footer .school-copyright {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    color: #fff;
    opacity: 0.85;
    margin-top: 0.7rem;
    margin-bottom: 0.2rem;
}

.lab-copyright {
    font-size: 0.85rem;
    color: #fff;
    text-align: center;
    margin: 0.5rem 0 0.5rem 0;
}

html, body {
    width: 100vw;
    min-width: 100vw;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.school-footer, footer {
    width: 100vw;
    min-width: 100vw;
    box-sizing: border-box;
    margin: 0 !important;
    left: 0;
    right: 0;
    position: relative;
    border-radius: 0 !important;
}

.school-colleges {
    color: #fff;
    font-size: 0.95rem;
    margin: 0.7rem 0 0.2rem 0;
    text-align: center;
    letter-spacing: 0.2px;
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    justify-content: center;
    line-height: 1.7;
}
.school-colleges a {
    color: #fff;
    text-decoration: none;
    padding: 0 0.2rem;
    transition: color 0.2s;
    font-family: 'Georgia', serif;
    font-size: 0.95rem;
}
.school-colleges a:hover {
    color: #A4804A;
    text-decoration: underline;
}
@media (max-width: 700px) {
    .school-colleges {
        font-size: 0.92rem;
        gap: 0.5rem;
        flex-direction: column;
        text-align: center;
        line-height: 1.5;
    }
    .school-colleges a {
        font-size: 0.92rem;
    }
}

/* 响应式优化：底部院系链接自动换行、居中、间距适中 */
@media (max-width: 900px) {
    .school-colleges {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.7rem;
        font-size: 1.05rem !important;
        padding: 0 0.5rem;
    }
    footer {
        align-items: center;
        padding: 1rem 0.5rem 0.5rem 0.5rem;
        width: 100vw;
        min-width: 100vw;
        box-sizing: border-box;
    }
    footer .school-title, footer .school-colleges, footer .school-copyright {
        text-align: center;
        width: 100%;
    }
    .school-footer .school-title {
        text-align: center;
        width: 100%;
    }
    footer .school-colleges a {
        font-size: 1.05rem !important;
    }
    footer .school-copyright {
        font-size: 0.6rem !important;
    }
}

@media (max-width: 700px) {
    .navbar {
        flex-direction: column;
        height: auto;
        min-height: 150px;
        padding: 1.7rem 0.5rem 1.7rem 0.5rem;
        justify-content: center;
    }
    .logo {
        margin-right: 0;
        margin-bottom: 0.5rem;
        font-size: 2.3rem;
    }
    .nav-links {
        justify-content: center;
        width: 100%;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        margin-top: 0.3rem;
    }
    .nav-links li {
        margin-bottom: 0.3rem;
        flex: 1 1 30%;
        max-width: 30%;
        min-width: 20%;
        text-align: center;
    }
    main {
        padding: 1rem 0.3rem;
        margin: 1rem 0.1rem;
    }
    .welcome h1 {
        font-size: 1.3rem;
        color: #000;
    }
    .school-header {
        font-size: 1rem;
        height: 38px;
    }
    .school-logo {
        font-size: 1.2rem;
        width: 38px;
        height: 38px;
    }
    .school-title {
        font-size: 1.1rem;
    }
    .school-footer {
        font-size: 0.9rem;
    }
    .school-footer .school-title {
        font-size: 1rem;
    }
    .school-colleges {
        font-size: 0.85rem;
        gap: 0.5rem;
    }
}

@media (max-width: 500px) {
    footer, .school-header {
        padding-left: 0;
        padding-right: 0;
        width: 100vw;
        min-width: 100vw;
        box-sizing: border-box;
    }
    footer .school-title {
        font-size: 1rem !important;
    }
    footer .school-colleges {
        font-size: 0.95rem !important;
    }
    footer .school-colleges a {
        font-size: 0.95rem !important;
    }
    footer .school-copyright {
        font-size: 0.52rem !important;
    }
    .school-colleges {
        flex-direction: column;
        align-items: center;
        gap: 0.3rem;
    }
    .school-footer .school-title {
        font-size: 0.95rem;
    }
    .school-footer {
        font-size: 0.8rem;
    }
    .logo {
        font-size: 1.1rem;
    }
    main {
        padding: 0.5rem 0.05rem;
    }
}

/* 研究页面卡片在小屏幕下单列显示 */
@media (max-width: 700px) {
    .research-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
} 

/* Publications 页面样式 */
.pub-section {
    margin-top: 2rem;
}
.pub-section h2 {
    color: #C8102E;
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.2rem;
    line-height: 1.2;
}
.pub-section h3 {
    color: #1a237e;
    font-size: 1.4rem;
    margin-top: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.2;
}
.pub-item {
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 1.2rem;
    padding: 1.1rem 1.3rem 1.1rem 1.3rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    border-left: 4px solid #C8102E;
}
.pub-item b {
    font-size: 1.08rem;
    color: #222;
}
.pub-authors {
    color: #555;
    font-size: 1rem;
    margin: 0.2rem 0 0.1rem 0;
    display: block;
}
.pub-venue {
    color: #A4804A;
    font-size: 1rem;
    font-style: italic;
    margin-right: 0.7rem;
}
.pub-link {
    color: #C8102E;
    font-weight: 600;
    margin-left: 0.7rem;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s;
}
.pub-link:hover {
    color: #A4804A;
    text-decoration: underline;
} 

.pub-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.2rem 2rem;
    margin-bottom: 1.5rem;
}
.pub-item {
    display: flex;
    align-items: flex-start;
    background: #f8f9fa;
    border-radius: 6px;
    margin-bottom: 0;
    padding: 1.1rem 1.3rem 1.1rem 1.3rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    border-left: 4px solid #C8102E;
    min-height: 120px;
}
.pub-img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
    margin-right: 1.2rem;
    flex-shrink: 0;
    display: block;
}
.pub-info {
    flex: 1;
    min-width: 0;
}
@media (max-width: 900px) {
    .pub-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem 0;
    }
    .pub-img {
        width: 70px;
        height: 70px;
        margin-right: 0.8rem;
    }
    .pub-item {
        padding: 0.8rem 0.7rem 0.8rem 0.7rem;
    }
} 

.pub-rows {
    display: flex;
    flex-direction: column;
    gap: 2.2rem;
    margin-bottom: 1.5rem;
}
.pub-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}
.pub-title {
    font-size: 1.08rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 0.2rem;
}
@media (max-width: 900px) {
    .pub-row {
        grid-template-columns: 1fr;
        gap: 1.2rem 0;
    }
    .pub-rows {
        gap: 1.2rem;
    }
} 

.team-section {
    margin: 2.5rem 0 2.5rem 0;
}
.team-section h2 {
    color: #C8102E;
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    margin-top: 0;
    letter-spacing: 0.5px;
}
.team-director {
    display: flex;
    align-items: flex-start;
    gap: 2.2rem;
    background: #f8f9fa;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 2.2rem 2.2rem 2.2rem 2.2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}
.team-photo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid #C8102E;
    background: #fff;
    box-shadow: 0 1px 6px rgba(0,0,0,0.07);
    margin-bottom: 0.7rem;
    object-position: center 0.01px;
} 
.team-info {
    flex: 1;
    min-width: 200px;
}
.team-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #C8102E;
    margin-bottom: 0.3rem;
}
.team-title {
    font-size: 1.08rem;
    color: #333;
    margin-bottom: 0.7rem;
}
.team-bio {
    font-size: 1rem;
    color: #444;
    line-height: 1.7;
}
.team-bio a {
    color: #C8102E;
    text-decoration: underline;
}
.team-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2.2rem;
    justify-content: center;
}
.team-card {
    background: #f8f9fa;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 2rem 1.5rem 1.5rem 1.5rem;
    width: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0.5rem;
    transition: box-shadow 0.2s;
}
.team-card:hover {
    box-shadow: 0 4px 24px rgba(200,16,46,0.10);
}
.team-role {
    font-size: 1.05rem;
    color: #1a237e;
    font-weight: 600;
    margin-bottom: 0.3rem;
}
.team-desc {
    font-size: 0.98rem;
    color: #555;
    text-align: center;
}
@media (max-width: 900px) {
    .team-director {
        flex-direction: column;
        align-items: center;
        padding: 1.2rem 0.7rem 1.2rem 0.7rem;
    }
    .team-grid {
        gap: 1.2rem;
        justify-content: center;
    }
    .team-card {
        width: 90%;
        max-width: 350px;
    }
} 

.team-director .team-photo {
    width: 360px;
    height: 360px;
    object-fit: cover;
    border-radius: 36px;
    border: 2px solid #C8102E;
    background: #fff;
    box-shadow: 0 1px 6px rgba(0,0,0,0.07);
    margin-bottom: 0.7rem;
} 

.team-meta {
    margin-top: 0.7rem;
    font-size: 0.98rem;
    color: #444;
    text-align: center;
    line-height: 1.7;
}
.team-homepage {
    color: #C8102E;
    text-decoration: underline;
    font-weight: 600;
    margin-bottom: 0.2rem;
    display: inline-block;
}
.team-homepage:hover {
    color: #A4804A;
}

.contact-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin: 2.5rem 0 2.5rem 0;
    justify-content: center;
}
.contact-info, .contact-map {
    width: 100%;
    max-width: 800px;
    box-sizing: border-box;
    margin: 0 auto;
}
@media (max-width: 900px) {
    .contact-info, .contact-map {
        margin: 0 1rem !important;
    }
}
.contact-info h2 {
    color: #C8102E;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.1rem;
}
.contact-info p {
    color: #444;
    font-size: 1.08rem;
    line-height: 1.7;
    margin-bottom: 1.1rem;
}
.contact-map img {
    width: 100%;
    max-width: 1000px;
    min-width: 180px;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    margin-top: 0.5rem;
    object-fit: contain;
}
@media (max-width: 900px) {
    .contact-section {
        flex-direction: column;
        gap: 1.2rem;
        align-items: center;
    }
    .contact-info, .contact-map {
        max-width: 95vw;
        min-width: 0;
        width: 100%;
    }
    .contact-map img {
        max-width: 98vw;
    }
} 

.home-flex {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.home-intro {
    flex: 1 1 340px;
    min-width: 260px;
    max-width: 600px;
}
.home-carousel {
    height: 400px;
    text-align: center;
}
.carousel {
    position: relative;
    width: 100%;
    max-width: 500px;
    min-width: 500px;
    height: 400px;
    background: #f8f9fa;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
@media (max-width: 900px) {
    .carousel {
        min-width: 0;
    }
}
.carousel-slide {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0; top: 0;
    align-items: center;
    justify-content: center;
}
.carousel-slide.active {
    display: flex;
}
.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
}
.carousel-controls {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 0;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    pointer-events: none;
}
.carousel-controls button {
    background: rgba(200,16,46,0.8);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
    cursor: pointer;
    pointer-events: auto;
    transition: background 0.2s;
}
.carousel-controls button:hover {
    background: #A4804A;
}
@media (max-width: 900px) {
    .home-flex {
        flex-direction: column;
        gap: 1.2rem;
        align-items: center;
    }
    .home-intro, .home-carousel {
        max-width: 100vw;
        min-width: 0;
        width: 100%;
        padding: 0.5rem 0.5rem;
    }
    main {
        max-width: 100vw;
        padding: 1rem 0.3rem;
    }
    .research-item {
        width: 100% !important;
        max-width: 100vw;
    }
    .carousel {
        max-width: 98vw;
        height: 400px;
    }
} 

/* 顶栏学校全称字体缩小 */
.school-header .school-title {
    font-family: 'Georgia', serif;
    font-size: 1.18rem !important;
    font-weight: 400;
    margin-bottom: 0.2rem;
    text-align: left;
    width: 100%;
}
/* 底栏学校全称字体正常 */
footer .school-title {
    font-family: 'Georgia', serif;
    font-size: 1.3rem !important;
    font-weight: 400;
    margin-bottom: 0.2rem;
    text-align: center;
    width: 100%;
} 

.contact-map img {
    margin-left: auto;
    margin-right: auto;
    display: block;
    max-width: 98vw;
} 

/* 联系我们图片优化 */
.contact-map img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    width: auto;
    padding: 0;
}

/* team页面Lab Director图片自适应 */
.team-director .team-photo {
    max-width: 120px;
    width: 40vw;
    height: auto;
    display: block;
    margin: 0 auto 1rem auto;
}
@media (max-width: 700px) {
    .team-director .team-photo {
        max-width: 80px;
        width: 30vw;
    }
}

/* research页面移动端内容100%显示 */
@media (max-width: 900px) {
    .research-item {
        width: 100% !important;
        max-width: 100vw;
        min-width: 0;
        box-sizing: border-box;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
} 

/* 优化Lab Director图片为正方形且宽度接近卡片，移动端缩小，桌面端最大320px */
/* Lab Director图片边框改为长方形，高度自适应 */
.team-director .team-photo {
    width: 90%;
    max-width: 320px;
    height: auto;
    max-height: 420px;
    display: block;
    margin: 0 auto 1rem auto;
    object-fit: cover;
    border-radius: 24px;
}
@media (max-width: 700px) {
    .team-director .team-photo {
        width: 85vw;
        max-width: 85vw;
        max-height: 60vw;
    }
}

/* 联系我们页面文字卡片移动端宽度优化 */
@media (max-width: 900px) {
    .contact-info {
        width: 98vw;
        max-width: 98vw;
        min-width: 0;
        box-sizing: border-box;
        padding: 1rem 1rem;
    }
} 

@media (max-width: 600px) {
  .school-header .school-title {
    font-size: 0.95rem !important;
    line-height: 1.2;
    padding-right: 0.2rem;
    padding-left: 0.2rem;
    word-break: break-all;
    white-space: normal;
  }
  .school-header {
    padding-left: 0;
    padding-right: 0.2rem;
  }
} 

.site-ref {
    font-size: 0.85em;
    color: #aaa;
    margin-top: 0.5em;
    text-align: center;
}
.site-ref a {
    color: #aaa;
    text-decoration: underline;
} 

.footer-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 2em;
    margin-top: 0.5em;
}
.footer-row .school-copyright,
.footer-row .site-ref {
    font-size: 0.95em;
    color: #888;
    text-align: center;
    font-weight: 400;
}
.footer-row .site-ref a {
    color: #888;
    text-decoration: underline;
} 

.research-grid .research-item:nth-child(1),
.research-grid .research-item:nth-child(2) {
} 

/* 研究页面上2下1卡片结构样式 */
.research-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}
.research-row {
    display: flex;
    gap: 1.5rem;
    width: 100%;
    justify-content: center;
}
.research-row:first-child .research-item {
    flex: 1 1 0;
    max-width: 480px;
    min-width: 320px;
    display: flex;
    flex-direction: column;
}
.research-row:last-child .research-item.wide {
    width: calc(2 * 480px + 1.5rem);
    max-width: 100%;
    min-width: 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}
@media (max-width: 1100px) {
    .research-row:first-child .research-item {
        max-width: 100%;
        min-width: 200px;
    }
    .research-row:last-child .research-item.wide {
        width: 100%;
        max-width: 100%;
    }
}
@media (max-width: 800px) {
    .research-row {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    .research-row:first-child .research-item,
    .research-row:last-child .research-item.wide {
        width: 95%;
        max-width: 500px;
    }
} 

/* 统一中英文research页面样式 */

/* 顶栏高度、导航栏字体、间距与中文页面一致 */
.navbar {
    /* height: 56px; */
    padding: 0 1.5rem 0 1.5rem;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: #222;
    font-family: 'Segoe UI', 'Arial', sans-serif;
    /* margin-right: 2rem; */
}
.nav-links {
    font-size: 1.25rem;
}
.nav-links li a {
    font-size: 1.25rem;
    font-weight: 400;
}

/* main内容区宽度、边界与中文页面一致 */
main {
    max-width: 1200px;
    margin: 2rem auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 1rem 1rem;
    flex: 1;
}

/* research卡片区域与中文页面一致 */
.research-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}
.research-row {
    display: flex;
    gap: 1.5rem;
    width: 100%;
    justify-content: center;
}
.research-row:first-child .research-item {
    flex: 1 1 0;
    max-width: 480px;
    min-width: 320px;
    display: flex;
    flex-direction: column;
}
.research-row:last-child .research-item.wide {
    width: calc(2 * 480px + 1.5rem);
    max-width: 100%;
    min-width: 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}
.research-item {
    background: #f8f9fa;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border-left: 4px solid #C8102E;
    padding: 2rem 1.3rem 1.7rem 1.3rem;
    flex: 1 1 0;
    max-width: 480px;
    min-width: 320px;
    margin: 0;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
    box-sizing: border-box;
}
.research-item.wide {
    max-width: 900px;
    min-width: 400px;
    width: 100%;
    margin: 2.2rem auto 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}
.research-item h3 {
    color: #C8102E;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.1rem;
    text-align: center;
}
.research-item p {
    color: #444;
    font-size: 1.08rem;
    line-height: 1.7;
    text-align: center;
}

@media (max-width: 1100px) {
    .research-row:first-child .research-item {
        max-width: 100%;
        min-width: 200px;
    }
    .research-row:last-child .research-item.wide {
        width: 100%;
        max-width: 100%;
    }
}
@media (max-width: 800px) {
    .research-row {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    .research-row:first-child .research-item,
    .research-row:last-child .research-item.wide {
        width: 95%;
        max-width: 500px;
    }
} 

/* 统一中英文团队页面卡片宽度 */
.team-card {
    width: 280px;
    max-width: 280px;
}
@media (max-width: 900px) {
    .team-card {
        width: 90%;
        max-width: 350px;
    }
} 

.team-director .team-photo {
    max-width: 320px;
    width: 90%;
    height: auto;
    max-height: 500px;
    display: block;
    margin: 0 auto 1rem auto;
    object-fit: contain;
    border-radius: 24px;
} 

@media (max-width: 700px) {
    .news-list li {
        display: block;
        line-height: 1.8;
        margin-bottom: 0.7em;
    }
    .news-date {
        display: inline-block;
        min-width: 5.5em;
        margin-right: 0.5em;
        text-align: right;
    }
} 

.email {
    word-break: break-all;
} 

/* 实验室动态样式 */
.media-coverage {
    margin-bottom: 3rem;
}

.media-coverage h2 {
    color: #C8102E;
    margin-top: 2rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.media-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.media-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.media-item:hover {
    background: #e9ecef;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.media-image {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.media-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.media-item:hover .media-image img {
    transform: scale(1.05);
}

.media-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.media-date {
    color: #666;
    font-weight: 500;
    font-size: 0.9rem;
}

.media-link {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

.media-source {
    color: #dc3545;
    font-weight: 600;
    font-size: 1rem;
}

.media-title {
    color: #333;
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.4;
}

.media-description {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.media-link:hover .media-source {
    color: #c82333;
}

.media-link:hover .media-title {
    color: #000;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .media-item {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .media-image {
        width: 100%;
        height: 200px;
        align-self: center;
    }
    
    .media-links {
        padding: 0 1rem;
    }
    
    .media-title {
        font-size: 1rem;
    }
}