/* 主体内容样式 */
.product-detail {
    padding-top: 60px; /* 为固定导航栏留出空间 */
}

/* Banner区域样式 */
.product-banner {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.banner-image {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-nav-wrapper {
        flex-direction: column;
        gap: 15px;
    }
    
    .product-nav-menu {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .product-nav-menu .nav-item {
        margin-bottom: 8px;
    }
    
    .product-name {
        order: -1;
    }
    
    .product-banner {
        height: 400px;
    }
}

@media (max-width: 576px) {
    .product-banner {
        height: 300px;
    }
}

.download-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.download-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.download-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 30px 20px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.download-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.download-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.download-card p {
    color: #333;
}

.download-btn {
    display: inline-block;
    background-color: #fff;
    color: #1890ff;
    padding: 8px 20px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s;
    margin-top: 15px;
    border: 1px solid #1890ff;
}

.download-btn:hover {
    text-decoration: none;
}

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

@media (max-width: 992px) {
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .download-card {
        padding: 20px 15px;
    }
    
    .download-icon {
        width: 60px;
        height: 60px;
    }
}