/* 媒体页面特有样式 - PC端 */

.page-header {
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    padding: 80px 40px;
    text-align: center;
    color: white;
    margin-top: 70px;
}

.page-title {
    font-size: 42px;
    font-weight: 600;
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
}

.media-tabs {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
}

.tab-btn {
    padding: 12px 30px;
    background: white;
    border: 2px solid #0052d9;
    color: #0052d9;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover {
    background: #0052d9;
    color: white;
}

.tab-btn.active {
    background: #0052d9;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.news-item {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-date {
    font-size: 14px;
    color: #0052d9;
    font-weight: 500;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.news-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

.perspectives-section {
    background: #f9f9f9;
    padding: 80px 0;
    margin-bottom: 80px;
}

.perspectives-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.perspective-item {
    background: white;
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
}

.perspective-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.perspective-author {
    font-size: 14px;
    color: #0052d9;
    font-weight: 500;
    margin-bottom: 20px;
}

.perspective-content {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.media-library {
    margin-bottom: 60px;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.library-item {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.library-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.library-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0052d9 0%, #05a8ff 100%);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    font-weight: 600;
}

.library-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.library-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

.library-link {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background: #0052d9;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s;
}

.library-link:hover {
    background: #0041a8;
}

/* 手机端样式 */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 20px;
        margin-top: 60px;
    }

    .page-title {
        font-size: 32px;
    }

    .page-subtitle {
        font-size: 16px;
    }

    .section {
        padding: 40px 20px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .media-tabs {
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 40px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }

    .news-item {
        padding: 20px;
    }

    .news-title {
        font-size: 16px;
    }

    .perspectives-section {
        padding: 40px 0;
        margin-bottom: 40px;
    }

    .perspectives-content {
        padding: 0 20px;
    }

    .perspective-item {
        padding: 25px;
        margin-bottom: 20px;
    }

    .perspective-title {
        font-size: 20px;
    }

    .library-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .library-item {
        padding: 25px;
    }
}