/* 热门分类与独立右侧资讯公告面板样式 */

/* 恢复热门分类的原有布局 */
.categories-section .categories-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 25px !important;
    margin-top: 40px !important;
}

/* 主体内容区域调整 - 为右侧面板留出空间 */
main.content {
    margin-right: 320px !important;
}

/* 独立的右侧固定面板 */
.right-sidebar-panel {
    position: fixed !important;
    top: 120px !important;
    right: 20px !important;
    width: 280px !important;
    height: calc(100vh - 140px) !important;
    z-index: 100 !important;
    overflow-y: auto !important;
}

.info-activity-panel {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%) !important;
    border-radius: 15px !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08) !important;
    border: 1px solid rgba(25, 118, 210, 0.1) !important;
    overflow: hidden !important;
    height: 100% !important;
}

/* 面板头部样式 */
.panel-header {
    background: linear-gradient(135deg, #1976d2 0%, #64b5f6 100%) !important;
    color: white !important;
    padding: 15px 20px !important;
    margin: 0 !important;
}

.panel-header h3 {
    margin: 0 !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.panel-header i {
    font-size: 0.9rem !important;
}

/* 信息列表样式 */
.info-list, .activity-list {
    border-bottom: 1px solid rgba(25, 118, 210, 0.1) !important;
}

.activity-list {
    border-bottom: none !important;
}

.info-items, .activity-items {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.info-items li, .activity-items li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
}

.info-items li:last-child, .activity-items li:last-child {
    border-bottom: none !important;
}

.info-items a, .activity-items a {
    display: block !important;
    padding: 12px 20px !important;
    color: #555 !important;
    text-decoration: none !important;
    font-size: 0.9rem !important;
    line-height: 1.4 !important;
    transition: all 0.3s ease !important;
    position: relative !important;
}

.info-items a:hover, .activity-items a:hover {
    background: rgba(25, 118, 210, 0.05) !important;
    color: #1976d2 !important;
    padding-left: 25px !important;
}

.info-items a:before {
    content: "•" !important;
    color: #1976d2 !important;
    font-weight: bold !important;
    margin-right: 8px !important;
}

.activity-items a:before {
    content: "✏️" !important;
    margin-right: 8px !important;
}

/* 平板设备适配 (1024px - 768px) */
@media (max-width: 1024px) and (min-width: 769px) {
    main.content {
        margin-right: 0 !important;
    }
    
    .right-sidebar-panel {
        position: static !important;
        width: 100% !important;
        height: auto !important;
        margin-top: 30px !important;
    }
    
    .categories-section .categories-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
    }
    
    .info-activity-panel {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        height: auto !important;
    }
}

/* 移动设备适配 (768px以下) */
@media (max-width: 768px) {
    main.content {
        margin-right: 0 !important;
    }
    
    .right-sidebar-panel {
        position: static !important;
        width: 100% !important;
        height: auto !important;
        margin-top: 25px !important;
    }
    
    .categories-section .categories-grid {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    .info-activity-panel {
        display: block !important;
        height: auto !important;
    }
    
    .panel-header {
        padding: 12px 15px !important;
    }
    
    .panel-header h3 {
        font-size: 0.9rem !important;
    }
    
    .info-items a, .activity-items a {
        padding: 10px 15px !important;
        font-size: 0.85rem !important;
    }
    
    .info-items a:hover, .activity-items a:hover {
        padding-left: 20px !important;
    }
}

/* 超大屏幕适配 (1400px以上) */
@media (min-width: 1400px) {
    main.content {
        margin-right: 350px !important;
    }
    
    .right-sidebar-panel {
        width: 320px !important;
        right: 30px !important;
    }
    
    .categories-section .categories-grid {
        gap: 30px !important;
    }
    
    .panel-header {
        padding: 18px 25px !important;
    }
    
    .panel-header h3 {
        font-size: 1.1rem !important;
    }
    
    .info-items a, .activity-items a {
        padding: 14px 25px !important;
        font-size: 0.95rem !important;
    }
}

/* 滚动条美化 */
.right-sidebar-panel::-webkit-scrollbar {
    width: 4px !important;
}

.right-sidebar-panel::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05) !important;
    border-radius: 2px !important;
}

.right-sidebar-panel::-webkit-scrollbar-thumb {
    background: rgba(25, 118, 210, 0.3) !important;
    border-radius: 2px !important;
}

.right-sidebar-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(25, 118, 210, 0.5) !important;
}

/* 面板显示/隐藏动画 */
.right-sidebar-panel {
    animation: slideInFromRight 0.3s ease-out !important;
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%) !important;
        opacity: 0 !important;
    }
    to {
        transform: translateX(0) !important;
        opacity: 1 !important;
    }
}

/* 确保面板在所有内容之上 */
.right-sidebar-panel {
    backdrop-filter: blur(2px) !important;
}

.info-activity-panel {
    backdrop-filter: blur(10px) !important;
}