:root {
    --primary-color: #1a1a1a;
    --secondary-color: #0066cc;
    --text-color: #333;
    --background-color: #ffffff;
    --section-padding: 80px;
    --hero-title-size: clamp(2rem, 5vw, 3.5rem);
    --hero-subtitle-size: clamp(1.2rem, 3vw, 1.8rem);
    --heading-size: clamp(1.8rem, 4vw, 2.2rem);
    --content-max-width: 1600px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f8f8f8;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 1rem 8%;
    height: 70px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
}

.nav-links li {
    margin-left: 3rem;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    position: relative;
    text-decoration: none;
    color: #333;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #1e88e5;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.hero {
    height: 80vh;
    max-height: 950px;
    position: relative;
    overflow: hidden;
    margin-top: 0px;
}

.hero-slider {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        rgba(0, 0, 0, 0.3),
        rgba(0, 0, 0, 0.4) 40%,
        rgba(0, 0, 0, 0.6)
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
    white-space: normal;
}

@media (min-width: 1350px) {
    .hero-content h1 {
        white-space: nowrap;
    }
}

.hero-content p {
    font-family: 'Inter', sans-serif;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.indicator {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 1.5s ease;
}

.indicator.active {
    background-color: #fff;
    transform: scale(1.2);
}

.indicator:focus-visible,
.slider-btn:focus-visible,
.pub-slider-btn:focus-visible,
.news-slider-btn:focus-visible {
    outline: 3px solid var(--secondary-color);
    outline-offset: 3px;
}

.about-section {
    padding: 1% var(--section-padding);
    background-color: #f8f8f8;
    margin-bottom: 0.5rem;
}

/* About section 卡片样式 */
.about-content {
    background: white;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    margin: 2rem auto;
    display: flex;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: var(--content-max-width);
    min-height: 450px;
}

.about-text {
    flex: 1;
    padding: 3.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.group-logo-mark {
    display: flex;
    width: 88px;
    height: 88px;
    flex: 0 0 88px;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    overflow: hidden;
    box-sizing: border-box;
    max-width: 88px;
    max-height: 88px;
    border: 1px solid rgba(18, 43, 85, 0.08);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 4px 14px rgba(18, 43, 85, 0.08);
}

.group-logo-mark img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.about-image {
    width: 48%;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image img {
    width: 100%;
    height: 75%;
    object-fit: contain;
    border-radius: 20px; /* 增加图片圆角 */
    transition: transform 0.3s ease; /* 添加过渡效果 */
}

/* 悬停效果 */
.about-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.about-content:hover .about-image img {
    transform: scale(1.02); /* 添加轻微的放大效果 */
}

/* 响应式调整 */
@media (max-width: 968px) {
    .about-content {
        flex-direction: column;
        min-height: auto;
        padding: 2rem;
    }

    .about-text {
        padding: 2rem;
    }

    .about-image {
        width: 100%;
        padding: 1rem 2rem 2rem 2rem;
    }

    .about-image img {
        height: 300px;
        width: auto;
        max-width: 100%;
        border-radius: 15px; /* 移动端稍微减小圆角 */
    }
}

.news-section {
    padding: 1% var(--section-padding);
    background-color: #f8f8f8;
    margin-bottom: 0.5rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
    gap: clamp(1rem, 2vw, 2rem);
    margin-top: 2rem;
    margin-bottom: 1.5rem;
}

footer {
    padding: clamp(2rem, 4vw, 3rem) var(--section-padding) 1.5rem;
    background: linear-gradient(135deg, #122b55 0%, #1b3d70 100%);
    color: white;
}

.contact-info {
    max-width: var(--content-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem clamp(2rem, 8vw, 8rem);
    align-items: center;
}

.contact-copy {
    min-width: 0;
}

.contact-info h3 {
    font-size: 1.4rem;
    margin: 0 0 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.contact-info h3::after {
    content: '';
    display: block;
    width: 2.5rem;
    height: 2px;
    margin-top: 0.8rem;
    background-color: #72a8e8;
}

.contact-info p {
    font-size: 1rem;
    margin: 0;
    opacity: 0.88;
    line-height: 1.4;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

/* Openings Page */
.openings-page {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 120px clamp(20px, 5%, 80px) 80px;
}

.openings-intro {
    max-width: 760px;
    margin: 0 auto 3.5rem;
    text-align: center;
}

.openings-eyebrow {
    margin: 0 0 0.75rem;
    color: var(--secondary-color);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.openings-intro h1 {
    margin: 0 0 1.25rem;
    color: var(--primary-color);
    font-size: 2.8rem;
}

.openings-intro > p:last-child,
.opening-card p,
.apply-panel p {
    color: #536273;
    line-height: 1.7;
}

.openings-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.openings-details {
    display: grid;
    gap: 1.5rem;
    max-width: 960px;
    margin: 0 auto;
}

.opening-card {
    padding: 2rem;
    border: 1px solid rgba(18, 43, 85, 0.1);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 25px rgba(18, 43, 85, 0.06);
}

.opening-icon {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    background: rgba(39, 96, 159, 0.11);
    color: var(--secondary-color);
    font-size: 1.3rem;
}

.opening-card h2,
.apply-panel h2 {
    margin: 0 0 0.9rem;
    color: var(--primary-color);
    font-size: 1.35rem;
}

.opening-card p,
.apply-panel p {
    margin: 0 0 1rem;
}

.opening-card p:last-child,
.apply-panel p:last-child {
    margin-bottom: 0;
}

.opening-card ul,
.profile-detail-card ul {
    margin: 0.9rem 0 1.25rem;
    padding-left: 1.3rem;
    color: #536273;
    line-height: 1.7;
}

.opening-card li,
.profile-detail-card li {
    margin-bottom: 0.55rem;
}

.opening-card a,
.apply-panel a {
    color: var(--secondary-color);
    font-weight: 600;
}

.pi-profile-details {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    padding-top: 0.5rem;
}

.profile-detail-card {
    padding: 1.4rem 1.5rem;
    border: 1px solid rgba(18, 43, 85, 0.09);
    border-radius: 12px;
    background: #f7f9fc;
}

.profile-detail-card h4 {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 0.75rem;
    color: var(--primary-color);
    font-size: 1.05rem;
}

.profile-detail-card h4 i {
    color: var(--secondary-color);
}

.profile-detail-card ul {
    margin-bottom: 0;
}

.credential-note {
    color: #697789;
    font-style: italic;
}

.pi-highlights {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 1.4rem 0;
}

.pi-highlights > div {
    min-width: 0;
    padding: 0.9rem 0.7rem;
    border-radius: 10px;
    background: #f2f7fc;
    text-align: center;
}

.pi-highlights strong,
.pi-highlights span {
    display: block;
}

.pi-highlights strong {
    color: var(--secondary-color);
    font-size: 1.15rem;
}

.pi-highlights span {
    margin-top: 0.25rem;
    color: #5e6b79;
    font-size: 0.72rem;
    line-height: 1.3;
}

.profile-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--secondary-color);
    font-weight: 600;
    text-decoration: none;
}

.profile-link i {
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

.profile-link:hover i {
    transform: translateX(4px);
}

.apply-panel {
    max-width: 900px;
    margin: 3rem auto 0;
    padding: 2rem 2.25rem;
    border-left: 4px solid var(--secondary-color);
    border-radius: 0 14px 14px 0;
    background: #f2f7fc;
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 0 1.5rem;
}

.footer-logo img {
    width: 150px;
    height: auto;
    object-fit: contain;
}

.wechat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    padding: 1rem 1rem 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
}

.wechat-card img {
    width: 116px;
    height: 116px;
    padding: 4px;
    border-radius: 8px;
    background: #fff;
    object-fit: contain;
}

.wechat-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.8rem;
    white-space: nowrap;
}

@media (max-width: 768px) {
    footer {
        padding: 1.2rem 5%;
    }

    .contact-info {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1.4rem;
        text-align: center;
    }

    .contact-copy {
        width: 100%;
    }

    .contact-info h3::after {
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-info h3 {
        font-size: 17px;
        margin-bottom: 0.8rem;
    }
    
    .contact-info p {
        font-size: 12px;
    }

    .wechat-card {
        padding: 0.8rem;
    }

    .wechat-card img {
        width: 104px;
        height: 104px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
}

.text-content ul {
    margin-left: 20px;
    margin-top: 15px;
}

.text-content li {
    margin-bottom: 10px;
}

.logo img {
    height: 40px;
    width: auto;
}

.research-section {
    padding: 1% var(--section-padding);
    background-color: #f8f8f8;
    width: 100%;
    display: block;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: clamp(1rem, 2.5vw, 2.5rem);
    max-width: var(--content-max-width);
    margin: 0 auto;
    width: 100%;
    margin-bottom: 1.5rem;
}

.research-item {
    background: white;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.research-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.research-item h4 {
    color: var(--primary-color);
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.research-item p {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    line-height: 1.6;
    color: #555;
}

.news-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    height: 280px; /* 固定卡片高度 */
    display: flex;
    flex-direction: column;
    position: relative;
}

.news-item h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.4;
    height: 1.4em; /* 固定标题高度为一行 */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-item .date {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-content {
    color: #666;
    line-height: 1.6;
    max-height: calc(1.6em * 3); /* 固定为3行高度 */
    overflow: hidden;
    position: relative;
    margin-bottom: 1rem;
}

.news-content p {
    margin: 0;
    padding: 0;
}

.news-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: absolute;
    bottom: 2.5rem;
    left: 2.5rem;
}

.news-item:hover {
    transform: translateY(-5px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .news-item {
        height: 260px;
    }

    .news-detail-content .news-image {
        height: 300px; /* 移动端减小图片高度 */
    }
}

h2 {
    font-size: 2.2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    text-align: left;
    padding-bottom: 0;
}

h2::before, h2::after {
    display: none;
}

.image-content img {
    width: 100%;
    height: auto;
    max-height: min(400px, 50vh);
    object-fit: cover;
    border-radius: 8px;
}

.contact-info h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.contact-info p {
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

@media (max-width: 1200px) {
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .navbar {
        padding: 1rem 4%;
    }
    
    .nav-links li {
        margin-left: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 20px;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 1rem 0;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 0.5rem 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 40px 20px;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .about-content {
        gap: 2rem;
    }
    
    .research-item, .news-item {
        padding: 1.5rem;
    }
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
}

/* 添加 People section 样式 */
.people-section {
    padding: 1% var(--section-padding);
    background-color: #f8f8f8;
    margin-bottom: 0.5rem;
}

.people-grid {
    max-width: var(--content-max-width);
    margin: 0 auto;
    display: grid;
    gap: 3rem;
    margin-bottom: 1.5rem;
}

.people-card {
    display: flex;
    align-items: start;
    gap: 2rem;
    padding: 2rem;
    background: #f8f8f8;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.people-card img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
}

.people-info h4 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.people-info .title {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.people-info .bio {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.contact-link {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Publications section 样式 */
.publications-section {
    padding: 1% var(--section-padding);
    background-color: #f8f8f8;
    overflow: hidden; /* 防滚动溢出 */
    margin-bottom: 0.5rem;
}

.publications-container {
    position: relative;
    padding: 0 40px;
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.publications-grid {
    display: flex;
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding: 0.5rem 0;
    margin-bottom: 1.5rem;
}

.publications-grid::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.publication-card {
    flex: 0 0 calc(33.333% - 2rem); /* 确保一行显示三个卡片，减去间距 */
    min-width: 300px; /* 置最小宽度，防止太窄 */
    max-width: 450px; /* 设置最大宽度，防止太宽 */
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.publication-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* 添加滚动按钮样式 */
.pub-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pub-slider-btn:hover {
    background: var(--secondary-color);
    color: white;
}

.pub-slider-btn.prev {
    left: 0;
}

.pub-slider-btn.next {
    right: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .publication-card {
        flex: 0 0 300px;
    }
}

.pub-image {
    width: 100%;
    height: 200px; /* 增加高度 */
    background: white;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none; /* 移除边框 */
}

.pub-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.pub-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.pub-content h4 {
    flex: 1;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--primary-color);
}

.pub-content .journal {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.view-all-container {
    text-align: center;
    margin: 0.5rem 0;
}

.view-all-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.view-all-btn:hover {
    background-color: #0052a3;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .publications-grid {
        grid-template-columns: 1fr;
    }
    
    .people-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .people-card img {
        width: 150px;
        height: 150px;
    }
}

/* PI Card 样式 */
.pi-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    margin: 0.5rem 0;
}

.pi-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.pi-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.pi-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.pi-info .title {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.pi-info .affiliation {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.pi-info .bio {
    margin-bottom: 1.5rem;
}

.pi-info .bio p {
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.pi-info .email {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.pi-info .scholar-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.pi-info .scholar-link:hover {
    color: var(--primary-color);
}

/* Team Section 样式 */
.team-section {
    margin-top: 2rem;
}

.team-category {
    margin-bottom: 3rem;
}

.team-category h4 {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.member-slider-container {
    position: relative;
    padding: 0 40px;
    margin: 0.5rem 0;
}

.member-slider {
    display: flex;
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding: 0 10px;
}

.member-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.member-card {
    flex: 0 0 250px;
    scroll-snap-align: start;
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-5px);
}

.member-card .photo-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--secondary-color);
}

.member-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    padding: 0 1.5rem 1.5rem;
    text-align: center;
    width: 100%;
}

.member-info h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
}

.member-info .period {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.member-info .education,
.member-info .current {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    line-height: 1.5;
    hyphens: auto; /* 添加自动连字符 */
    word-wrap: break-word;
}

/* 简化研究兴趣的显示 */
.member-info .research {
    color: #555;
    font-size: 0.95rem;
    margin: 1rem 0;
    line-height: 1.5;
}

.member-info .research-title {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.member-info .research-content {
    color: #555;
    hyphens: auto; /* 添加自动连字符 */
    word-wrap: break-word;
}

.member-more-btn {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

.member-more-btn:hover {
    background-color: #0052a3;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: var(--secondary-color);
    color: white;
}

.slider-btn.prev {
    left: 0;
}

.slider-btn.next {
    right: 0;
}

/* Publications Page Styles */
.publications-page {
    padding-top: 100px;
    padding-bottom: 4rem;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: clamp(20px, 5%, 80px);
    padding-right: clamp(20px, 5%, 80px);
}

.publications-page h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.pub-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    background: none;
    color: var(--secondary-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--secondary-color);
    color: white;
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 4rem;
}

.pub-item {
    display: grid;
    grid-template-columns: 1fr 380px; /* 增加图片区域宽度到380px */
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center; /* 垂直居中对齐 */
}

.pub-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.pub-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.pub-content .authors {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.pub-content .journal {
    color: #666;
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.pub-abstract {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 4; /* 显示4行文本 */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pub-links {
    display: flex;
    gap: 1rem;
}

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.pub-link:hover {
    color: var(--primary-color);
}

.pub-image {
    width: 100%;
    height: 220px; /* 适当增加高度 */
    background: white;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: center;
    border: none;
}

.pub-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

@media (max-width: 1024px) {
    .pub-item {
        grid-template-columns: 1fr 300px;
    }
}

@media (max-width: 768px) {
    .pub-item {
        grid-template-columns: 1fr;
    }
    
    .pub-image {
        order: -1;
        height: 160px;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .publications-page {
        padding-top: 80px;
    }
    
    .pub-filters {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* 修改内容容器样式 */
.section-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    width: 100%;
    padding: 0;
    min-height: 150px; /* 减小最小高度 */
    display: flex;
    flex-direction: column;
    justify-content: center; /* 内容垂直居中 */
}

/* 修改各个section的标题和内容齐 */
.about-section,
.research-section,
.people-section,
.publications-section,
.news-section,
.members-section {
    width: 100%;
    padding: 1% var(--section-padding); /* 减小上下padding */
    margin-bottom: 0.5rem; /* 减小section之间的间距 */
}

.about-section h2,
.research-section h2,
.people-section h2,
.publications-section h2,
.news-section h2,
.members-section h2 {
    position: relative;
    max-width: var(--content-max-width);
    margin: 1.5rem auto 2rem;
    padding: 0 0 0.8rem 0;
    font-size: 2.2rem;
    font-weight: 500;
    text-align: left;
    color: var(--primary-color);
}

/* 添加简单的下划装饰 */
.about-section h2::after,
.research-section h2::after,
.people-section h2::after,
.publications-section h2::after,
.news-section h2::after,
.members-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

/* 添加标题前的装饰元素 */
.about-section h2::before,
.research-section h2::before,
.people-section h2::before,
.publications-section h2::before,
.news-section h2::before,
.members-section h2::before {
    content: '';
    position: absolute;
    left: 0.5rem; /* 固定位置 */
    top: 50%;
    width: 4px;
    height: 70%;
    transform: translateY(-50%);
    background: var(--secondary-color);
    border-radius: 2px;
}

/* 停效果 */
.about-section h2:hover::after,
.research-section h2:hover::after,
.people-section h2:hover::after,
.publications-section h2:hover::after,
.news-section h2:hover::after,
.members-section h2:hover::after {
    width: 120px;
    background: linear-gradient(to right, var(--secondary-color), #66a3ff);
}

/* 添加标题出现动画 */
@keyframes titleSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.about-section h2,
.research-section h2,
.people-section h2,
.publications-section h2,
.news-section h2,
.members-section h2 {
    animation: titleSlideIn 0.5s ease-out forwards;
}

/* 修改publications容器样式 */
.publications-container {
    max-width: calc(var(--content-max-width) + 80px); /* 加上左右按钮的空间 */
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

/* 添加社交媒体链接样式 */
.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f0f0f0;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

/* People Page Styles */
.people-page {
    padding-top: 100px;
    padding-bottom: 4rem;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: clamp(20px, 5%, 80px);
    padding-right: clamp(20px, 5%, 80px);
}

.people-page h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    text-align: center;
    margin: 2.5rem 0 3.5rem; /* 原来是 2rem 0 3rem，现在上下边距都增加0.5rem */
    position: relative;
    padding-bottom: 1rem;
}

/* 添加主标题的装饰线 */
.people-page h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--secondary-color), #66a3ff);
    border-radius: 2px;
}

/* 添加主标题的装饰元素 */
.people-page h1::before {
    content: '⚡';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

/* 修改子标题（博后和学生）的样式，与 index 页面保持一致 */
.people-category h2 {
    max-width: var(--content-max-width);
    margin: 1rem auto 1rem;
    padding: 0 calc(var(--section-padding) * 0.5);
    font-size: 2.2rem;
    font-weight: 500;
    text-align: left;
    background: none;
    border-left: none;
    box-shadow: none;
    border-radius: 0;
}

/* 为主标题添加淡入动画 */
@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.people-page h1 {
    animation: titleFadeIn 0.8s ease-out forwards;
}

.members-section {
    margin-top: 0; /* 移除额外的上边距 */
    padding: 1% var(--section-padding);
    position: relative;
}

.members-section h2 {
    margin: 1rem auto 1rem; /* 使用与其他标题相同的边距 */
    padding: 0 calc(var(--section-padding) * 0.5);
}

.members-section h2::after {
    display: none;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    padding: 0.5rem;
    margin-bottom: 3rem;
}

.member-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-color: rgba(0,102,204,0.1);
}

.member-photo {
    width: 200px;  /* 固定宽度 */
    height: 200px; /* 固定高度，保持1:1比例 */
    overflow: hidden;
    border-radius: 50%; /* 使照片变为圆形 */
    margin: 1.5rem auto; /* 上下间距1.5rem，左右自动居中 */
    border: 3px solid #f0f0f0; /* 添浅色边框 */
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease; /* 添加过渡果 */
}

/* 可选：添加照片悬停效果 */
.member-card:hover .member-photo img {
    transform: scale(1.05);
}

/* 调整卡片内容的上边距 */
.member-info {
    padding: 0 1.5rem 1.5rem;
    text-align: center;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .member-photo {
        width: 180px;
        height: 180px;
    }
}

.member-info h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.member-info .period {
    color: var(--secondary-color);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.member-info .education,
.member-info .current {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.member-info .research {
    margin: 1.2rem 0;
    padding: 1.2rem;
    background: linear-gradient(to right, rgba(0,102,204,0.03), rgba(0,102,204,0.08));
    border-radius: 8px;
    border-left: 3px solid var(--secondary-color);
    width: 100%;
}

.member-info .research-title {
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-align: left;
}

.member-info .research-content {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: left;
    padding: 0 0.5rem;
    width: 100%;
    white-space: normal;
    word-wrap: break-word;
    hyphens: none;
}

.member-social {
    display: flex;
    gap: 0.8rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.member-social .social-link {
    width: 35px;
    height: 35px;
    background-color: #f5f5f5;
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.member-social .social-link:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .members-section h2 {
        font-size: 1.5rem;
        padding: 0.4rem 1.2rem;
    }
    
    .members-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

/* News Page Styles */
.news-page {
    padding-top: 100px;
    padding-bottom: 4rem;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: clamp(20px, 5%, 80px);
    padding-right: clamp(20px, 5%, 80px);
}

.news-page h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.news-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.news-filters .filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    background: none;
    color: var(--secondary-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-filters .filter-btn:hover,
.news-filters .filter-btn.active {
    background: var(--secondary-color);
    color: white;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 两列布局 */
    gap: 2rem;
    padding: 1rem;
    max-width: var(--content-max-width);
    margin: 0 auto;
}

.news-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-item h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.4;
    /* 标题最多显示两行 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    flex-grow: 1;  /* 让内容区域自动填充剩余空间 */
    /* 内容最多显示三行 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    margin-top: auto;  /* 将链接推到底部 */
    padding: 0.5rem 0;
}

.news-item .date {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-list {
        grid-template-columns: 1fr; /* 在小屏幕上改为单列 */
    }
}

/* View All Button Styles */
.view-all-container {
    text-align: center;
    margin: 0.5rem 0;
}

.view-all-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.view-all-btn:hover {
    background-color: #0052a3;
}

/* 修改新闻部分样式 */
.news-container {
    position: relative;
    padding: 0 40px;
    max-width: var(--content-max-width);
    margin: 0 auto;
    margin-top: 0.3rem;
}

.news-grid {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    gap: 2.5rem;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.news-grid::-webkit-scrollbar {
    display: none;
}

.news-card {
    flex: 0 0 calc(33.333% - 2rem);
    min-width: 300px;
    max-width: 450px;
    scroll-snap-align: start;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: auto;
}

.news-card h3 {
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 标题固定两行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    height: 2.8em; /* 确保两行高度，1.4 * 2 */
}

.news-card .news-content {
    display: -webkit-box;
    -webkit-line-clamp: 4; /* 内容固定四行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    height: 6em; /* 确保四行高度，1.5 * 4 */
    margin-bottom: 1rem;
}

.news-card .read-more {
    margin-top: auto;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.news-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-slider-btn:hover {
    background: var(--secondary-color);
    color: white;
}

.news-slider-btn.prev {
    left: 0;
}

.news-slider-btn.next {
    right: 0;
}

/* 修改成员卡片样式 */
.member-slider {
    padding: 1rem 0;
}

.member-card {
    position: relative; 
    flex: 0 0 350px; /* 增加卡片宽度 */
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

.member-photo {
    width: 180px;
    height: 180px;
    margin: 0 auto 1.5rem;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.member-info {
    width: 100%;
    text-align: center;
}

.member-info h3 {
    margin-bottom: 0.8rem;
}

.member-info .period {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-info .education,
.member-info .current {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.member-info .research {
    margin: 1.2rem 0;
    padding: 1.2rem;
    background: linear-gradient(to right, rgba(0,102,204,0.03), rgba(0,102,204,0.08));
    border-radius: 8px;
    border-left: 3px solid var(--secondary-color);
    width: 100%;
}

.member-info .research-title {
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-align: left;
}

.member-info .research-content {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: left;
    padding: 0 0.5rem;
    width: 100%;
    white-space: normal;
    word-wrap: break-word;
    hyphens: none;
}

.member-social {
    position: absolute;
    bottom: 1.5rem;
    inset-inline: 0; 
    margin-inline: auto;
    display: flex;
    gap: 0.8rem;
    margin-top: 2rem;
    justify-content: center;
}

.member-social .social-link {
    width: 35px;
    height: 35px;
    background-color: #f5f5f5;
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.member-social .social-link:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .members-section h2 {
        font-size: 1.5rem;
        padding: 0.4rem 1.2rem;
    }
    
    .members-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

/* News Detail Page Styles */
.news-detail-page {
    padding-top: 100px;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: clamp(20px, 5%, 80px);
    padding-right: clamp(20px, 5%, 80px);
}

.news-detail-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 2rem;
    margin-bottom: 3rem;
}

.news-header {
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    margin-bottom: 1rem;
    font-weight: 500;
}

.back-link:hover {
    color: var(--primary-color);
}

.news-header .date {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.news-header h1 {
    font-size: 2rem;
    color: var(--primary-color);
    line-height: 1.3;
}

.news-detail-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.news-image {
    height: 280px; /* 固定图片高度 */
    width: auto; /* 宽度自适应 */
    object-fit: contain; /* 保持图片比例 */
    margin: 0 auto 2rem;
    display: block;
    max-width: 100%; /* 确保不会超出容器宽度 */
}

.news-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
    text-align: left;
}

.news-text h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

.news-text ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.news-text li {
    margin-bottom: 0.5rem;
}

.publication-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #f8f8f8;
    border-radius: 10px;
}

.publication-info p {
    margin-bottom: 0.5rem;
}

.publication-info a {
    color: var(--secondary-color);
    text-decoration: none;
}

.publication-info a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .news-header h1 {
        font-size: 1.8rem;
    }
    
    .news-text {
        font-size: 1rem;
    }

    .news-image {
        height: 300px; /* 移动端减小图片高度 */
    }
}

/* 修改最后一个section的底部间距 */
.members-section:last-child,
.publications-list .pub-item:last-child,
.news-list .news-item:last-child {
    margin-bottom: 1.5rem;
}

/* 统计面板样式 */
.stats-section {
    background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
    padding: 1.5% 0;
    margin-top: 0.5rem;
}

.stats-container {
    max-width: var(--content-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 0 var(--section-padding);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1;
}

.stat-info p {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

/* 添加动画效果 */
@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-item {
    animation: countUp 0.5s ease-out forwards;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-item i {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
}

/* Research Page Styles */
.research-page {
    padding-top: 100px;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: clamp(20px, 5%, 80px);
    padding-right: clamp(20px, 5%, 80px);
}

.research-page h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    text-align: center;
    margin: 2.5rem 0 3.5rem;
    position: relative;
    padding-bottom: 1rem;
    animation: titleFadeIn 0.8s ease-out forwards;
}

.research-overview {
    margin-bottom: 4rem;
    padding: 2rem 0;
}

.research-overview .highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 2rem;
    padding: 0;
    margin: 0 auto;
    max-width: var(--content-max-width);
    width: 100%;
}

.research-lead {
    max-width: 850px;
    margin: -1.5rem auto 1rem;
    color: #536273;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
}

.research-interest-heading {
    margin: -1.5rem auto 1rem;
    color: var(--primary-color);
    font-size: 1.55rem;
    text-align: center;
}

.research-details {
    margin-top: 4rem;
}

.research-area {
    margin-bottom: 4rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.research-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.research-content.reverse {
    direction: rtl;
}

.research-content.reverse .research-text {
    direction: ltr;
}

.research-text h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.research-description {
    color: #444;
    font-size: 1.1rem;
    line-height: 1.6;
}

.research-description ul {
    margin: 1.5rem 0;
    list-style: none; /* 移除默认的列表样式 */
}

.research-description li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 2rem; /* 增加左边距，为图标留出空间 */
    line-height: 1.6;
}

.research-description li::before {
    content: '⚡'; /* 使用闪电图标替代原来的圆点 */
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 1rem;
    opacity: 0.8;
    transform: translateY(2px); /* 微调图标位置 */
}

/* 添加列表项悬停效果 */
.research-description li:hover::before {
    opacity: 1;
    transform: translateY(2px) scale(1.1);
    transition: all 0.3s ease;
}

/* 可选：为列表项添加交错动画 */
.research-description li {
    animation: fadeInRight 0.5s ease-out forwards;
    opacity: 0;
}

.research-description li:nth-child(1) { animation-delay: 0.1s; }
.research-description li:nth-child(2) { animation-delay: 0.2s; }
.research-description li:nth-child(3) { animation-delay: 0.3s; }
.research-description li:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.research-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.research-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.research-image:hover img {
    transform: scale(1.1);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 1rem;
    font-size: 0.9rem;
    text-align: center;
}

.research-highlights {
    margin-top: 4rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
    border-radius: 15px;
}

.research-highlights h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 0;
    margin: 0 auto;
    max-width: var(--content-max-width);
    width: 100%;
}

.research-section .highlights-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.highlight-card {
    gap: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-5px);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlight-icon i {
    font-size: 1.8rem;
    color: white;
}

.highlight-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.highlight-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .research-section .highlights-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .research-lead {
        width: 90%;
        margin: -1rem auto 0.5rem;
        font-size: 0.95rem;
        line-height: 1.65;
    }

    .research-interest-heading {
        margin: -0.5rem auto 0.5rem;
        font-size: 1.25rem;
    }
}

@media (max-width: 1024px) {
    .research-content,
    .research-content.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr;
    }
    
    .research-image {
        margin: 0 auto;
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .research-page h1 {
        font-size: 2.2rem;
    }
    
    .research-text h2 {
        font-size: 1.8rem;
    }
    
    .research-area {
        padding: 1.5rem;
    }
    
    .highlights-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* 统一所有页面主标题的基础样式 */
.research-page h1,
.publications-page h1,
.news-page h1,
.people-page h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    text-align: center;
    margin: 2.5rem 0 3.5rem;
    position: relative;
    padding-bottom: 1rem;
    animation: titleFadeIn 0.8s ease-out forwards;
}

/* 统一装饰线样式 */
.research-page h1::after,
.publications-page h1::after,
.news-page h1::after,
.people-page h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--secondary-color), #66a3ff);
    border-radius: 2px;
}

/* 为每个页面添加独特的装饰图标 */
.research-page h1::before {
    content: '🔬';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

.publications-page h1::before {
    content: '📖';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

.news-page h1::before {
    content: '📰';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

/* 标题淡入动画（已存在，但确保所有页面都使用） */
@keyframes titleFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .research-page h1,
    .publications-page h1,
    .news-page h1,
    .people-page h1 {
        font-size: 2.2rem;
        margin: 2rem 0 3rem;
    }
}

/* Gallery Page Styles - 新设计 */
.gallery-page {
    padding-top: 100px;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-left: clamp(20px, 5%, 80px);
    padding-right: clamp(20px, 5%, 80px);
}

.gallery-page h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    text-align: center;
    margin: 2.5rem 0 3.5rem;
    position: relative;
    padding-bottom: 1rem;
    animation: titleFadeIn 0.8s ease-out forwards;
}

/* 添加标题装饰 */
.gallery-page h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, var(--secondary-color), #66a3ff);
    border-radius: 2px;
}

.gallery-page h1::before {
    content: '📸';
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--secondary-color);
    opacity: 0.8;
}

.gallery-filters {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    background: none;
    color: var(--secondary-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--secondary-color);
    color: white;
}

.timeline {
    position: relative;
    padding: 2rem 0;
    max-width: var(--content-max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 两列布局 */
    gap: 2rem; /* 设置间距 */
}

.timeline-item {
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

/* 添加日期标签样式 */
.date-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1;
    transition: all 0.3s ease;
}

.gallery-card:hover .date-tag {
    background: var(--secondary-color);
    color: white;
}

/* 调整分类标签位置 */
.category-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1;
    transition: all 0.3s ease;
}

.gallery-card:hover .category-tag {
    background: var(--secondary-color);
    color: white;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .timeline {
        padding-left: 60px;
    }

    .timeline::before {
        left: 40px;
    }
    
    .timeline-date {
        left: -60px;
        width: 80px;
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .timeline-date span:first-child {
        font-size: 1rem;
    }
    
    .gallery-card {
        width: 100%;
    }
}

/* 其他样式保持不变 */
.gallery-card:hover {
    transform: translateY(-5px);
}

.gallery-image {
    position: relative;
    width: 100%;
    padding-top: 66.67%; /* 3:2 的图片比例 */
    overflow: hidden;
    background-color: #f5f5f5; /* 添加背景色 */
}

.gallery-image img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保持图片比例并填充容器 */
    object-position: center; /* 居中显示图片 */
    transition: transform 0.5s ease;
}

.gallery-card:hover .gallery-image img {
    transform: translate(-50%, -50%) scale(1.1);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 2rem;
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.gallery-card:hover .image-overlay {
    opacity: 1;
    transform: translateY(0);
}

.image-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 修改图片卡片大小 */
.gallery-card {
    width: 100%; /* 修改为100%以填充网格单元格 */
    max-width: none; /* 移除最大宽度限制 */
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    height: 100%; /* 确保卡片高度一致 */
}

/* 添加多图片展示相关样式 */
.gallery-images-container {
    position: relative;
    width: 100%;
}

.gallery-image-stack {
    position: relative;
    width: 100%;
    padding-top: 66.67%;
    overflow: hidden;
    background-color: #f5f5f5;
}

.gallery-image-stack img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all 0.3s ease;
}

/* 展开状态 */
.gallery-images-expanded {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
}

.expanded-images-container {
    width: 80%;
    max-width: 1000px;
    height: 80vh;
    position: relative;
}

.expanded-image {
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
}

.expanded-image.active {
    display: flex;
}

.expanded-image img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain; /* 在展开视图中使用contain以显示完整图片 */
    margin: auto;
}

/* 导航按钮 */
.image-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 1rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.image-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.image-nav-btn.prev {
    left: 20px;
}

.image-nav-btn.next {
    right: 20px;
}

/* 图片计数器 */
.image-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* 多图标识 */
.multiple-images-indicator {
    position: absolute;
    bottom: 1rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    z-index: 1;
}

@media (max-width: 768px) {
    .gallery-card {
        width: 90%;
    }
}

/* 修改筛选按钮容器样式 */
.pub-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 2rem auto; /* 使用 auto 确保水平居中 */
    padding: 0 1rem; /* 添加一些水平内边距 */
    width: 100%; /* 确保容器占满宽度 */
    max-width: var(--content-max-width); /* 使用与内容相同的最大宽度 */
    flex-wrap: wrap; /* 在小屏幕上允许按钮换行 */
}

.pub-filters .filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    background: none;
    color: var(--secondary-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap; /* 防止按钮文字换行 */
    min-width: 80px; /* 设置最小宽度 */
    text-align: center; /* 确保文字居中 */
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pub-filters {
        gap: 0.8rem; /* 在小屏幕上减小按钮间距 */
        padding: 0 0.5rem; /* 减小内边距 */
    }

    .pub-filters .filter-btn {
        padding: 0.5rem 1.2rem; /* 稍微减小按钮大小 */
        font-size: 0.9rem; /* 稍微减小字体大小 */
    }
}

/* 统一筛选按钮容器样式 */
.pub-filters,
.gallery-filters,
.news-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 2rem auto;
    padding: 0 1rem;
    width: 100%;
    max-width: var(--content-max-width);
    flex-wrap: wrap;
}

/* 统一所有筛选按钮样式 */
.pub-filters .filter-btn,
.gallery-filters .filter-btn,
.news-filters .filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    background: none;
    color: var(--secondary-color);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 80px;
    text-align: center;
}

/* 统悬停和激活状态样式 */
.pub-filters .filter-btn:hover,
.pub-filters .filter-btn.active,
.gallery-filters .filter-btn:hover,
.gallery-filters .filter-btn.active,
.news-filters .filter-btn:hover,
.news-filters .filter-btn.active {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.2);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .pub-filters,
    .gallery-filters,
    .news-filters {
        gap: 0.8rem;
        padding: 0 0.5rem;
    }

    .pub-filters .filter-btn,
    .gallery-filters .filter-btn,
    .news-filters .filter-btn {
        padding: 0.5rem 1.2rem;
        font-size: 0.9rem;
    }
}