/* product-detail.css - 案例详情页样式，所有类名以 product-detail- 开头 */
.product-detail-nav-placeholder {
    height: 70px; /* 设置为导航栏的实际高度 */
    width: 100%;
    background: transparent;
}

/* 重置和基础样式 */
.product-detail-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 主容器 */
.product-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 90px 20px;
    animation: product-detail-fadeIn 0.5s ease-out;
}

@keyframes product-detail-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero 区域 */
.product-detail-hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    margin-bottom: 48px;
    color: white;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.product-detail-emoji {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: product-detail-bounce 1s ease;
}

@keyframes product-detail-bounce {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.product-detail-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: white;
}

.product-detail-category-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 内容区域 */
.product-detail-content {
    background: white;
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.product-detail-section {
    margin-bottom: 48px;
}

.product-detail-section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #1a202c;
    position: relative;
    padding-bottom: 12px;
}

    .product-detail-section-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 60px;
        height: 4px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 2px;
    }

.product-detail-desc {
    font-size: 1.5rem;
    line-height: 1.8;
    color: #4a5568;
    text-align: justify;
}

/* 信息网格 */
.product-detail-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.product-detail-info-card {
    background: #f7fafc;
    padding: 24px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

    .product-detail-info-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        border-color: #cbd5e0;
    }

.product-detail-info-label {
    display: block;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #718096;
    margin-bottom: 12px;
}

.product-detail-info-value {
    font-size: 1.2rem;
    color: #2d3748;
    line-height: 1.5;
}

/* 技术栈标签 */
.product-detail-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.product-detail-tech-tag {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: default;
}

    .product-detail-tech-tag:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    }

/* 分割线 */
.product-detail-divider {
    margin: 40px 0;
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, #e2e8f0, transparent);
}

/* 操作按钮区域 */
.product-detail-actions {
    text-align: center;
    padding: 20px 0;
}

.product-detail-back-link,
.product-detail-refresh-link {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 8px;
}

    .product-detail-back-link:hover,
    .product-detail-refresh-link:hover {
        background: #f7fafc;
        color: #764ba2;
    }

    .product-detail-back-link:hover {
        transform: translateX(-4px);
    }

    .product-detail-refresh-link:hover {
        transform: translateX(4px);
    }

.product-detail-separator {
    color: #cbd5e0;
    margin: 0 8px;
}

/* 错误页面样式 */
.product-detail-error-container {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.product-detail-error-content {
    text-align: center;
    max-width: 500px;
}

.product-detail-error-emoji {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.product-detail-error-title {
    font-size: 2rem;
    color: #2d3748;
    margin-bottom: 1rem;
}

.product-detail-error-message {
    color: #718096;
    margin-bottom: 2rem;
}

/* 加载动画（如果需要AJAX加载） */
.product-detail-loading {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    font-size: 16px;
}

.product-detail-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: #3498db;
    animation: product-detail-spin 0.8s ease-in-out infinite;
    margin-right: 12px;
    vertical-align: middle;
}

@keyframes product-detail-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-detail-container {
        padding: 20px;
    }

    .product-detail-hero {
        padding: 40px 20px;
    }

    .product-detail-title {
        font-size: 1.8rem;
    }

    .product-detail-content {
        padding: 24px;
    }

    .product-detail-section-title {
        font-size: 1.5rem;
    }

    .product-detail-desc {
        font-size: 1rem;
    }

    .product-detail-info-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-detail-emoji {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .product-detail-title {
        font-size: 1.5rem;
    }

    .product-detail-category-badge {
        font-size: 0.8rem;
        padding: 6px 16px;
    }

    .product-detail-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .product-detail-separator {
        display: none;
    }
}

/* 打印样式 */
@media print {
    .product-detail-actions {
        display: none;
    }

    .product-detail-hero {
        background: #f0f0f0;
        color: #000;
    }

    .product-detail-category-badge {
        background: #e0e0e0;
        color: #000;
    }

    .product-detail-tech-tag {
        background: #e0e0e0;
        color: #000;
    }

    .product-detail-title {
        color: #000;
    }
}