/* 无人机助推器产品页面样式 */

/* 系列导航 */
.series-nav-section {
    background: #f8f9fa;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

.series-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.series-btn {
    padding: 12px 30px;
    border: 2px solid #1a5fb4;
    background: white;
    color: #1a5fb4;
    font-size: 16px;
    font-weight: 500;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.series-btn:hover {
    background: #1a5fb4;
    color: white;
}

.series-btn.active {
    background: #1a5fb4;
    color: white;
}

/* 产品区域 */
.products-section {
    padding: 60px 0;
}

.products-section.hidden {
    display: none;
}

.series-title {
    text-align: center;
    font-size: 32px;
    color: #1a365d;
    margin-bottom: 10px;
    font-weight: 600;
}

.series-desc {
    text-align: center;
    color: #666;
    font-size: 16px;
    margin-bottom: 50px;
}

/* 产品卡片 */
.product-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
    overflow: hidden;
}

.product-name {
    background: #1a365d;
    color: white;
    padding: 18px 30px;
    font-size: 22px;
    font-weight: 600;
    margin: 0;
}

.product-content {
    display: flex;
    padding: 40px;
    gap: 40px;
    align-items: center;
}

/* 产品图片区域 */
.product-image {
    flex: 0 0 280px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 240px;
    height: 320px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #999;
    font-size: 16px;
    border: 2px dashed #ccc;
}

/* 产品图片样式 - 支持jpg和png格式 */
.product-image img {
    max-width: 400px;
    max-height: 520px;
    width: auto;
    height: auto;
    border-radius: 8px;
    object-fit: contain;
}

/* 产品参数区域 */
.product-params {
    flex: 1;
    display: flex;
    gap: 60px;
}

.param-section {
    flex: 1;
}

.param-title {
    background: #1a5fb4;
    color: white;
    padding: 12px 24px;
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 25px 0;
    border-radius: 6px;
    text-align: center;
}

.param-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.param-list li {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    font-size: 17px;
    display: flex;
    align-items: baseline;
}

.param-list li:last-child {
    border-bottom: none;
}

.param-label {
    color: #333;
    font-weight: 500;
    min-width: 100px;
}

.param-value {
    color: #1a5fb4;
    font-weight: 600;
    font-size: 18px;
}

.param-note {
    color: #999;
    font-size: 14px;
    margin-left: 8px;
}

/* 待补充区域 */
.coming-soon {
    text-align: center;
    padding: 80px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    color: #666;
    font-size: 18px;
}

/* 定制服务说明 */
.custom-service-note {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: 30px 40px;
    margin-top: 30px;
    border-left: 4px solid #1a5fb4;
}

.custom-service-note p {
    color: #555;
    font-size: 16px;
    line-height: 1.8;
    margin: 0;
}

.custom-items {
    color: #1a365d;
    font-weight: 500;
}

.contact-link {
    color: #1a5fb4;
    font-weight: 600;
    text-decoration: none;
    margin-left: 10px;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #0d3a7a;
    text-decoration: underline;
}

/* 返回按钮区域 */
.back-section {
    padding: 40px 0 60px;
    text-align: center;
}

.btn-back {
    display: inline-block;
    padding: 14px 40px;
    border: 2px solid #1a5fb4;
    color: #1a5fb4;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background: #1a5fb4;
    color: white;
}

/* 响应式 */
@media (max-width: 992px) {
    .product-content {
        flex-direction: column;
        padding: 30px;
    }
    
    .product-image {
        flex: none;
    }
    
    .product-params {
        flex-direction: column;
        gap: 30px;
        width: 100%;
    }
    
    .series-nav {
        gap: 10px;
    }
    
    .series-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .product-name {
        font-size: 18px;
        padding: 15px 20px;
    }
    
    .param-title {
        font-size: 16px;
        padding: 10px 15px;
    }
    
    .param-list li {
        font-size: 15px;
    }
    
    .param-value {
        font-size: 16px;
    }
}