/* ===== 电脑端响应式布局（B站风格） ===== */
@media (min-width: 1024px) {
    /* 整体容器限制宽度 */
    .app-shell {
        max-width: 1400px;
        margin: 0 auto;
    }
    
    /* 首页主体区域 */
    #page-home {
        display: grid;
        grid-template-columns: 180px 1fr 260px;
        grid-template-rows: auto auto auto 1fr;
        gap: 16px;
        padding: 0 24px 24px;
    }
    
    /* 顶部栏全宽 */
    #page-home > .top-bar-compact {
        grid-column: 1 / -1;
    }
    
    /* 欢迎横幅全宽 */
    #page-home > .welcome-banner {
        grid-column: 1 / -1;
        margin: 0;
    }
    
    /* 广告+快捷卡片行全宽 */
    #page-home > .home-cards-row {
        grid-column: 1 / -1;
        padding: 0;
        margin: 0;
    }
    
    /* 分类标签在左侧 */
    #page-home > .quick-cats {
        grid-column: 1;
        grid-row: 4;
        flex-direction: column;
        padding: 0;
        gap: 4px;
        overflow: visible;
        align-self: start;
    }
    
    .quick-cats .cat-chip {
        width: 100%;
        text-align: center;
        border-radius: 8px;
        padding: 10px;
    }
    
    /* 帖子列表在中间 */
    #page-home > .post-list {
        grid-column: 2;
        grid-row: 4;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 0;
    }
    
    .post-card {
        margin: 0 !important;
    }
    
    /* 右侧推荐栏在右侧 */
    #page-home > .pc-sidebar-right {
        grid-column: 3;
        grid-row: 4;
        position: sticky;
        top: 80px;
        height: fit-content;
        align-self: start;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        padding: 16px;
        box-shadow: var(--card-shadow);
    }
    
    .pc-sidebar-title {
        font-size: 1em;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .pc-sidebar-content {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .pc-sidebar-item {
        padding: 8px;
        border-radius: 8px;
        cursor: pointer;
        transition: background 0.2s;
    }
    
    .pc-sidebar-item:hover {
        background: var(--bg-hover);
    }
    
    .pc-sidebar-item-title {
        font-size: 0.85em;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .pc-sidebar-item-meta {
        font-size: 0.75em;
        color: var(--text-dim);
        margin-top: 4px;
    }
    
    .pc-sidebar-loading {
        text-align: center;
        color: var(--text-dim);
        font-size: 0.85em;
        padding: 20px;
    }
    
    /* 底部导航隐藏 */
    .bottom-nav {
        display: none;
    }
    
    /* 页面内边距调整 */
    .page {
        padding-bottom: 24px;
    }
}

@media (min-width: 1400px) {
    #page-home > .post-list {
        grid-template-columns: repeat(3, 1fr);
    }
}