/* 系统软件资源卡片网格 */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 25px;
    margin-top: 30px;
}

.resource-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #eee;
    height: 120px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.resource-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.resource-card a {
    text-decoration: none;
    color: inherit;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 15px;
}

.resource-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 12px;
}

.card-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    height: 100%;
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.resource-card h3 {
    color: #2c3e50;
    font-size: 16px;
    margin: 0;
    font-weight: 500;
    flex-grow: 1;
}

.resource-card p {
    color: #666;
    font-size: 13px;
    margin: 0;
    line-height: 1.5;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.download-btn {
    display: inline-block;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.download-btn:hover {
    background-color: #2980b9;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .resource-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .resource-grid {
        grid-template-columns: 1fr;
    }
}