/* ==========================================================================
   组件：列表卡片（文章卡片 / 案例卡片）
   ========================================================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.post-card,
.case-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background-color: var(--bg);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.post-card:hover,
.case-card:hover {
    transform: translateY(-4px);
    border-color: rgba(205, 164, 95, 0.62);
    box-shadow: var(--shadow-hover);
}

.post-card__cover,
.case-card__cover {
    display: block;
    background-color: var(--bg-tint);
}

.post-card__cover img,
.case-card__cover img {
    width: 100%;
    height: 176px;
    object-fit: cover;
}

.post-card__body,
.case-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 22px 22px 24px;
}

.post-card__cat {
    align-self: flex-start;
    margin-bottom: 10px;
    padding: 3px 11px;
    border-radius: 999px;
    background-color: var(--brand-soft);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
}

.post-card__title,
.case-card__title {
    font-size: 17px;
    line-height: 1.5;
    margin-bottom: 10px;
}

.post-card__title a:hover,
.case-card__title a:hover {
    color: var(--brand);
}

.post-card__excerpt,
.case-card__excerpt {
    margin-bottom: 18px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

.post-card__meta,
.case-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: auto;
    color: #9aa0aa;
    font-size: 13px;
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
    .card-grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .card-grid,
    .card-grid--3 {
        grid-template-columns: 1fr;
        margin-top: 32px;
    }
}