/* 侧边栏 */
.sidebar-widget {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bs-light);
    border-left: 4px solid var(--bs-primary);
}

.sidebar-heading {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--bs-dark);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-link {
    display: block;
    padding: 0.75rem 0;
    color: var(--bs-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--bs-gray-300);
    transition: all 0.3s ease;
}

    .category-link:hover {
        color: var(--bs-primary);
        padding-left: 0.5rem;
    }

.category-sub-link {
    display: block;
    padding: 0.5rem 0 0.5rem 1.5rem;
    color: var(--bs-gray);
    text-decoration: none;
    font-size: 0.95rem;
    border-bottom: 1px solid #f0f0f0;
}

    .category-sub-link:hover {
        color: var(--bs-primary);
    }

/* 分类卡片 */
.category-card {
    border: none;
    border-radius: 0;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

    .category-card:hover {
        color: var(--bs-dark);
        transform: translateY(-5px);
        box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    }

    .category-card .card-body {
        padding: 1.5rem;
    }

    .category-card .card-title {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
        color: var(--bs-dark);
    }

        .category-card .card-title a {
            color: inherit;
            text-decoration: none;
        }

            .category-card .card-title a:hover {
                color: var(--bs-primary);
            }


/* 标签徽章 */
.post-tags .badge {
    background: var(--bs-light);
    color: var(--bs-gray);
    font-weight: normal;
    border-radius: 0.25rem;
    padding: 0.375rem 0.75rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.post-tags .badge:hover {
    background: var(--bs-primary);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .sidebar-widget {
        margin-top: 2rem;
        margin-bottom: 2rem;
    }

    .category-card .card-body {
        padding: 1rem;
    }
}