/* --- Card Component Styles --- */
.card {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border-radius: 1.25rem;
    text-decoration: none;
    color: inherit;
    border: 1px solid #334155;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.1), transparent);
    transition: left 0.6s;
}

.card:hover {
    background: linear-gradient(145deg, #334155, #1e293b);
    transform: translateY(-8px) scale(1.02);
    border-color: #60a5fa;
    box-shadow: 0 20px 40px rgba(96, 165, 250, 0.15);
}

.card:hover::before {
    left: 100%;
}

.card__link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.card__image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.card:hover .card__image img {
    transform: scale(1.08);
}

.card__content {
    padding: 2rem 1.5rem;
}

.card__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.card__meta {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.card__brand,
.card__spray-type,
.card__user-age,
.card__premature-level,
.card__category,
.card__date {
    background: rgba(96, 165, 250, 0.2);
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    color: #60a5fa;
    font-weight: 600;
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.card__stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.card__stat {
    text-align: center;
    flex: 1;
}

.card__stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card__stat-label {
    display: block;
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 0.25rem;
    font-weight: 500;
}

.card__excerpt {
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.card__related-product {
    background: rgba(96, 165, 250, 0.1);
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    color: #60a5fa;
    margin-top: 1rem;
    border: 1px solid rgba(96, 165, 250, 0.2);
    font-weight: 600;
}

/* 卡片类型特定样式 */
.card--product .card__stat-value {
    background: linear-gradient(135deg, #10b981, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card--report .card__stat-value {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card--knowledge .card__title {
    background: linear-gradient(135deg, #8b5cf6, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 高亮指示器 */
.card__highlight-indicator {
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 4px;
    background: linear-gradient(90deg, #60a5fa, #c084fc, #60a5fa);
    border-radius: 1.25rem 1.25rem 0 0;
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card__content {
        padding: 1.5rem 1rem;
    }
    
    .card__stats {
        gap: 1rem;
    }
    
    .card__stat-value {
        font-size: 1.25rem;
    }
    
    .card__title {
        font-size: 1.1rem;
    }
}