/* 产品详情页容器 */
.product-detail-container {
    margin-top: 82px;
    background: #fff;
}

/* Banner区域 */
.product-hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Banner占位状态 */
.hero-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 600px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
}

.placeholder-icon {
    width: 100px;
    height: 100px;
    color: #c0c4cc;
    margin-bottom: 24px;
    opacity: 0.8;
}

.placeholder-icon svg {
    width: 100%;
    height: 100%;
}

.placeholder-text {
    font-size: 28px;
    font-weight: 500;
    color: #606266;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.placeholder-hint {
    font-size: 14px;
    color: #909399;
    letter-spacing: 1px;
}

/* 产品简介区域 */
.product-intro {
    background: #fff;
}

.product-intro .container {
    max-width: 1200px;
    margin: 0 auto;
}

.product-intro img {
    max-width: 100%;
    height: auto;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .product-hero {
        min-height: 400px;
    }
    
    .hero-placeholder {
        height: 400px;
    }
    
    .placeholder-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .placeholder-text {
        font-size: 20px;
    }
    
    .placeholder-hint {
        font-size: 12px;
        padding: 0 30px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-placeholder {
        height: 300px;
    }
    
    .placeholder-icon {
        width: 60px;
        height: 60px;
    }
    
    .placeholder-text {
        font-size: 18px;
    }
}