/* 文章内容容器 */
.vape-article-content {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: #333;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题样式 */
.vape-article-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 2.5rem 0 1.5rem 0;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid #e8e8e8;
    position: relative;
}

.vape-article-content h2:first-child {
    margin-top: 0;
}

.vape-article-content h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, #007bff, #00d4ff);
}

.vape-article-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    padding-left: 1rem;
    border-left: 4px solid #007bff;
}

/* 内容区块 */
.content-block {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.main-point {
    font-size: 1.1rem;
    color: #2d3748;
    margin: 0;
    line-height: 1.8;
}

/* 产品分析部分 */
.product-analysis {
    margin: 3rem 0;
}

.product-item {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 2rem;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.product-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: #cbd5e0;
}

.product-content {
    padding: 1.5rem;
}

.product-content p {
    margin: 0 0 1.2rem 0;
    color: #4a5568;
    line-height: 1.7;
}

/* 优缺点样式 */
.advantages-disadvantages {
    background: #f7fafc;
    padding: 1.2rem;
    border-radius: 8px;
    margin-top: 1.2rem;
    border: 1px solid #e2e8f0;
}

.advantages {
    margin-bottom: 0.8rem;
}

.advantages strong {
    color: #059669;
    font-weight: 600;
    display: block;
    padding: 0.5rem 0;
    font-size: 1rem;
}

.disadvantages {
    color: #dc2626;
    background: #fef2f2;
    padding: 0.8rem;
    border-radius: 6px;
    border-left: 3px solid #dc2626;
    font-size: 0.95rem;
}

/* 产品图库 */
.product-gallery {
    margin: 3rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* 文章底部 */
.article-footer {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    text-align: center;
    border-top: 1px solid #cbd5e0;
}

.article-footer p {
    margin: 0;
    color: #2d3748;
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-footer a {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    padding-bottom: 2px;
}

.article-footer a:hover {
    color: #0056b3;
    border-bottom-color: #007bff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .vape-article-content {
        padding: 15px;
    }
    
    .vape-article-content h2 {
        font-size: 1.5rem;
        margin: 2rem 0 1.2rem 0;
    }
    
    .vape-article-content h3 {
        font-size: 1.2rem;
        margin: 1.5rem 0 0.8rem 0;
    }
    
    .content-block {
        padding: 1.2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .gallery-item img {
        height: 180px;
    }
    
    .article-footer {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        height: 200px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-item {
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.product-item:nth-child(1) { animation-delay: 0.1s; }
.product-item:nth-child(2) { animation-delay: 0.2s; }
.product-item:nth-child(3) { animation-delay: 0.3s; }
.product-item:nth-child(4) { animation-delay: 0.4s; }

/* 打印样式 */
@media print {
    .vape-article-content {
        max-width: 100%;
        padding: 0;
    }
    
    .gallery-item {
        page-break-inside: avoid;
    }
    
    .article-footer {
        border: 1px solid #ccc;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}