#news-detail * {
    box-sizing: border-box;
}

#news-detail {
    font-family: 'lineseedtw_fonts', sans-serif;
}

#news-detail .banner-container {
    height: 16rem; /* 256px */
    background-size: cover;
    background-position: center;
}

#news-detail .max-w-4xl {
    max-width: 64rem; /* 1024px */
    margin-left: auto;
    margin-right: auto;
}

#news-detail .prose {
    color: var(--color-secondary);
    line-height: 1.8;
}

#news-detail .prose h2 {
    color: var(--color-accent);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

#news-detail .prose p {
    margin-bottom: 1rem;
}

#news-detail .btn-social {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

#news-detail .btn-facebook {
    background: #3b5998;
    color: white;
}

#news-detail .btn-facebook:hover {
    background: #2a4373;
}

#news-detail .btn-line {
    background: #00c300;
    color: white;
}

#news-detail .btn-line:hover {
    background: #00a300;
}

#news-detail .btn-instagram {
    background: #e1306c;
    color: white;
}

#news-detail .btn-instagram:hover {
    background: #c13584;
}

#news-detail .btn-secondary {
    background: var(--color-gray);
    color: var(--color-secondary);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

#news-detail .btn-secondary:hover {
    background: #d1d5db;
}

#news-detail .related-item {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#news-detail .related-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

#news-detail .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

#news-detail .progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--color-accent);
    z-index: 1000;
    transition: width 0.3s ease;
}

@media (max-width: 640px) {
    #news-detail .banner-container {
        height: 12rem; /* 192px */
    }

    #news-detail .btn-social {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    #news-detail .related-item img {
        height: 6rem;
    }
}