.news-detail-container {
    padding: 100px 0 60px;
    min-height: 100vh;
    background: var(--bg-secondary);
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 30px;
    transition: all var(--transition-normal);
}

.back-btn:hover {
    background: var(--accent-color);
    color: white;
    transform: translateX(-5px);
    box-shadow: var(--shadow-md);
}

.news-detail-article {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.news-detail-header {
    padding: 40px 40px 30px;
    border-bottom: 1px solid var(--border-color);
}

.news-meta-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.news-detail-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.news-detail-summary {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.news-detail-content {
    padding: 40px;
    line-height: 1.8;
    color: var(--text-primary);
}

.news-detail-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 35px 0 20px;
    color: var(--primary-color);
    position: relative;
    padding-left: 15px;
}

.news-detail-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.news-detail-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 25px 0 15px;
    color: var(--text-primary);
}

.news-detail-content p {
    margin-bottom: 18px;
    color: var(--text-secondary);
}

.news-detail-content ul,
.news-detail-content ol {
    margin: 20px 0;
    padding-left: 25px;
}

.news-detail-content li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.news-detail-content blockquote {
    margin: 25px 0;
    padding: 20px 25px;
    background: rgba(68, 138, 255, 0.05);
    border-left: 4px solid var(--accent-color);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.news-detail-content img {
    max-width: 100%;
    border-radius: var(--border-radius-md);
    margin: 25px 0;
}

.news-detail-footer {
    padding: 30px 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.share-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: white;
}

.share-btn.twitter {
    background: #1DA1F2;
}

.share-btn.linkedin {
    background: #0077B5;
}

.share-btn.copy {
    background: var(--accent-color);
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .news-detail-container {
        padding: 80px 0 40px;
    }

    .news-detail-header {
        padding: 25px 20px;
    }

    .news-detail-title {
        font-size: 1.6rem;
    }

    .news-detail-content {
        padding: 25px 20px;
    }

    .news-detail-content h2 {
        font-size: 1.3rem;
    }

    .news-detail-content h3 {
        font-size: 1.1rem;
    }

    .news-detail-footer {
        padding: 25px 20px;
    }

    .news-meta-info {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .news-detail-title {
        font-size: 1.4rem;
    }

    .back-btn span {
        display: none;
    }
}