.data-share-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    color: #2c3e50;
    margin-bottom: 50px;
    font-weight: 600;
}

.data-share-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.data-item {
    display: flex;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 40px;
    align-items: center;
    margin-bottom: 30px;
    transition: transform 0.3s ease;
}

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

.data-info {
    flex: 1;
    padding-right: 50px;
}

.data-title {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.data-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
}

.data-details {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.data-type,
.data-collection-time,
.data-collection-method,
.data-size {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 10px;
}

.data-type span,
.data-collection-time span,
.data-collection-method span,
.data-size span {
    color: #2c3e50;
    font-weight: 500;
}

.data-thumbnail {
    flex: 0 0 500px;
    margin-left: 30px;
}

.data-thumbnail img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.data-thumbnail img:hover {
    transform: scale(1.02);
}

.data-download-btn {
    display: inline-block;
    padding: 14px 30px;
    background: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.data-download-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .data-share-container {
        max-width: 95%;
    }
    
    .data-thumbnail {
        flex: 0 0 450px;
    }
    
    .data-thumbnail img {
        height: 350px;
    }
}

@media (max-width: 992px) {
    .data-item {
        padding: 30px;
    }
    
    .data-info {
        padding-right: 30px;
    }
    
    .data-thumbnail {
        flex: 0 0 400px;
    }
    
    .data-thumbnail img {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .data-share-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2.2rem;
        margin-bottom: 40px;
    }

    .data-item {
        flex-direction: column;
        padding: 25px;
    }

    .data-info {
        padding-right: 0;
        margin-bottom: 25px;
    }

    .data-thumbnail {
        flex: none;
        width: 100%;
        margin-left: 0;
    }

    .data-thumbnail img {
        height: 280px;
    }

    .data-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .data-share-section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .data-item {
        padding: 20px;
    }

    .data-thumbnail img {
        height: 220px;
    }

    .data-details {
        padding: 20px;
    }

    .data-download-btn {
        width: 100%;
        text-align: center;
    }
}