/* 基础样式 */
.product-content {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题样式 */
h1 {
    font-size: 24px;
    color: #1a365d;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

h2 {
    font-size: 20px;
    color: #2d3748;
    margin: 35px 0 18px;
    font-weight: 600;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 8px;
}

h3 {
    font-size: 18px;
    color: #4a5568;
    margin: 12px 0 8px;
    font-weight: 600;
}

/* 内容部分字体大小 */
p, .intro-text, .feature-item p, .faq-item p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.intro-text {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
    color: #4a5568;
}

/* 内容区域 */
.content-section {
    margin-bottom: 35px;
}

/* 功能网格布局 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.feature-item {
    background: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #3182ce;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* FAQ样式 */
.faq-section {
    background: #f7fafc;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.faq-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* 询盘按钮 */
.inquiry-section {
    text-align: center;
    margin: 40px 0 25px;
    padding: 25px;
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    border-radius: 10px;
}

.inquiry-btn {
    display: inline-block;
    background: #e53e3e;
    color: white;
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.inquiry-btn:hover {
    background: #c53030;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* 相关搜索板块 */
.related-searches {
    margin-top: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 1px solid #eaeaea;
}

.related-searches h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #2d3748;
    font-size: 18px;
}

.search-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.search-link {
    display: inline-block;
    background: white;
    color: #3182ce;
    padding: 10px 18px;
    font-size: 16px;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #3182ce;
    transition: all 0.3s ease;
}

.search-link:hover {
    background: #3182ce;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 3px 6px rgba(49, 130, 206, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-content {
        padding: 15px;
    }
    
    h1 {
        font-size: 22px;
    }
    
    h2 {
        font-size: 19px;
        margin: 30px 0 15px;
    }
    
    h3 {
        font-size: 17px;
    }
    
    p, .intro-text, .feature-item p, .faq-item p {
        font-size: 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .feature-item {
        padding: 18px;
    }
    
    .inquiry-btn {
        padding: 14px 30px;
        font-size: 16px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .search-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-link {
        text-align: center;
        width: 100%;
        box-sizing: border-box;
    }
}

/* 打印样式 */
@media print {
    .inquiry-section,
    .related-searches {
        display: none;
    }
}