/* Publications page specific styles */
.content {
    max-width: 1200px;
    margin: 80px auto 40px; /* Reduced from 120px to 80px */
    padding: 0 20px;
}

/* Navigation Styles */
.nav-links {
    transition: opacity 0.3s ease;
}

.nav-links.transitioning {
    opacity: 0.7;
}

.back-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    color: var(--text-color);
    text-decoration: none;
    transition: transform 0.2s ease;
}

.nav-logo {
    height: 24px;
    width: auto;
    transition: transform 0.2s ease;
}

.back-nav-link:hover .nav-logo {
    transform: scale(1.05);
}

.separator {
    margin: 0 10px;
    color: var(--text-color);
    opacity: 0.5;
}

.sub-nav-link {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 0.95rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 4px 0;
}

.sub-nav-link::after {
    content: '';
    position: absolute;
    width: var(--text-width, 100%);
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--nav-text);
    transform: translateX(-50%) scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: center;
}

.sub-nav-link:hover {
    opacity: 1;
}

.sub-nav-link:hover::after,
.sub-nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.sub-nav-link.active {
    opacity: 1;
}

/* Remove the old sub-navigation styles */
.sub-nav {
    display: none;
}

/* Publications sections */
.pub-section {
    margin: 40px 0;
}

.pub-section h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 40px;  /* 增加间距以区分不同论文 */
}

.publication {
    transition: all 0.3s ease;
    padding: 0;  /* 移除内边距 */
}

.publication-content {
    display: flex;
    gap: 25px;
    align-items: center;
}

.publication-image {
    width: 280px;
    height: 160px;
    object-fit: contain;
    border-radius: 8px;
    transition: transform 0.3s ease;
    background-color: var(--bg-primary);
}

.publication-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.publication-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    font-weight: 600;
}

.publication-authors {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.publication-venue {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.publication-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.pub-link i {
    font-size: 1rem;
}

.arxiv-icon {
    width: 16px;
    height: 16px;
    object-fit: contain;
    filter: var(--icon-filter);
    transition: filter 0.3s ease;
}

.pub-link:hover .arxiv-icon {
    filter: var(--icon-filter-hover);
}

.oral-presentation {
    color: #ff4d4d;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 2px 8px;
    border-radius: 4px;
    background-color: rgba(255, 77, 77, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
    .publication-content {
        flex-direction: column;
        gap: 20px;
    }

    .publication-image {
        width: 100%;
        height: 180px;
        max-width: 400px;
        margin: 0 auto;
    }

    .publication {
        padding: 0;  /* 移除内边距 */
    }

    .publication-title {
        font-size: 1.2rem;
    }

    .publication-authors,
    .publication-venue {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .content {
        padding: 15px;
    }

    .pub-section h2 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }

    .publications-list {
        gap: 30px;  /* 在小屏幕上稍微减小间距 */
    }
}

@supports (-webkit-backdrop-filter: none) or (backdrop-filter: none) {
    .sub-nav {
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        background-color: var(--nav-bg-transparent);
    }
}