/* 基础样式 */
.product-article-content {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.7;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 区块标题 */
.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.title-icon {
    font-size: 1.8rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
}

/* 灵感部分 */
.inspiration-content {
    max-width: 800px;
    margin: 0 auto;
}

.design-story {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.story-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 16px;
    border-left: 5px solid #8b5cf6;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.story-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.15);
}

.story-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.story-content h3 {
    font-size: 1.3rem;
    color: #2d3748;
    margin: 0 0 0.8rem 0;
}

.story-content p {
    margin: 0;
    color: #4a5568;
    line-height: 1.8;
}

/* 目标受众 */
.target-audience {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 16px;
    text-align: center;
    border: 2px solid #f59e0b;
}

.audience-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.badge-icon {
    font-size: 1.2rem;
}

.badge-text {
    font-weight: 600;
    color: #92400e;
    font-size: 1.1rem;
}

.target-audience p {
    color: #92400e;
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* 产品图库 */
.product-gallery {
    margin: 3rem auto;
    max-width: 1000px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.gallery-item {
    margin: 0;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.image-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 1.5rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .image-overlay {
    transform: translateY(0);
}

.product-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.gallery-item figcaption {
    padding: 1.2rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    background: #f8fafc;
}

/* 视频展示 */
.video-showcase {
    margin-top: 4rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin: 2rem 0;
}

.video-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.video-wrapper {
    position: relative;
    padding-bottom: 177.77%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-size: 1.2rem;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
}

.video-info p {
    margin: 0;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* CTA部分 */
.cta-section {
    margin-top: 3rem;
    padding: 3rem;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    border-radius: 20px;
    text-align: center;
}

.cta-content h3 {
    color: white;
    font-size: 1.8rem;
    margin: 0 0 1rem 0;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-icon {
    fill: currentColor;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-article-content {
        padding: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .story-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .story-icon {
        margin: 0 auto;
    }
    
    .gallery-grid,
    .video-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .gallery-item {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .cta-section {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.3rem;
    }
    
    .gallery-item {
        max-width: 100%;
    }
}

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

.story-card,
.gallery-item,
.video-card {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.story-card:nth-child(1) { animation-delay: 0.1s; }
.story-card:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(1) { animation-delay: 0.3s; }
.gallery-item:nth-child(2) { animation-delay: 0.4s; }
.video-card:nth-child(1) { animation-delay: 0.5s; }
.video-card:nth-child(2) { animation-delay: 0.6s; }