/* ================= 基础变量与重置 ================= */
        
        /* 欢迎横幅 */
        .welcome-banner {background: linear-gradient(120deg, #3b5998, #5b7bd5);
            border-radius: 12px; padding: 25px 30px; color: #fff; margin-bottom: 20px;
            display: flex; justify-content: space-between; align-items: center;
            box-shadow: 0 4px 15px rgba(59, 89, 152, 0.2); position: relative; overflow: hidden;
            flex-shrink: 0;}
        /* 装饰元素 */
        .welcome-banner::after {content: ''; position: absolute; right: -20px; top: -50px; width: 150px; height: 150px;
            background: rgba(255,255,255,0.1); border-radius: 50%;}
        .welcome-banner::before {content: ''; position: absolute; right: 80px; bottom: -40px; width: 100px; height: 100px;
            background: rgba(255,255,255,0.08); border-radius: 50%;}
        .welcome-text h2 {margin: 0 0 8px 0; font-size: 22px; font-weight: 600;}
        .welcome-text p {margin: 0; font-size: 14px; opacity: 0.9;}
        .welcome-action {background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
            padding: 10px 20px; border-radius: 8px; cursor: pointer; backdrop-filter: blur(5px);
            display: flex; align-items: center; gap: 8px; font-size: 14px; transition: background 0.2s;}
        .welcome-action:hover {background: rgba(255,255,255,0.25);}
        /* 数据概览卡片 */
        .stats-grid {display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-bottom: 20px;}
        .stat-card {background: #fff; border-radius: 10px; padding: 15px 20px; border: 1px solid var(--border-color);
            display: flex; align-items: center; gap: 15px;}
        .stat-icon {width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
            font-size: 24px; color: #fff; flex-shrink: 0;}
        .stat-info h4 {margin: 0 0 4px 0; font-size: 20px; font-weight: 700; color: #1f2937;}
        .stat-info p {margin: 0; font-size: 13px; color: #6b7280;}
        /* 看板布局 (两栏) */
        .board-layout {display: flex; gap: 20px;}
        .board-left {flex: 2; display: flex; flex-direction: column; gap: 20px; min-width: 0;}
        .board-right {flex: 1; display: flex; flex-direction: column; gap: 20px; min-width: 0;}
        /* 通用面板 */
        .panel {background: #fff; border-radius: 10px; border: 1px solid var(--border-color);
            display: flex; flex-direction: column;}
        .panel-header {padding: 15px 20px; border-bottom: 1px solid var(--border-color);
            display: flex; justify-content: space-between; align-items: center;}
        .panel-header h3 {margin: 0; font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px;}
        .panel-header a {font-size: 12px; color: var(--text-muted); text-decoration: none; cursor: pointer;}
        .panel-body {padding: 15px 20px; flex: 1;}
        /* AI 智能推荐区 */
        .ai-recommend-panel {background: linear-gradient(135deg, #f5f3ff, #ede9fe); border-color: #ddd6fe;}
        .ai-recommend-panel .panel-header {border-bottom-color: #ddd6fe;}
        .ai-recommend-panel .panel-header h3 {color: #6d28d9;}
        .ai-suggest-list {display: flex; flex-direction: column; gap: 10px;}
        .ai-suggest-item {background: #fff; border: 1px solid #ddd6fe; border-radius: 8px; padding: 12px;
            display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: box-shadow 0.2s;}
        .ai-suggest-item:hover {box-shadow: 0 2px 8px rgba(139, 92, 246, 0.15);}
        .ai-suggest-content {display: flex; gap: 12px; align-items: flex-start;}
        .ai-suggest-content i {color: #8b5cf6; font-size: 18px; margin-top: 2px;}
        .ai-suggest-text h4 {margin: 0 0 4px 0; font-size: 13px; color: #4c1d95; font-weight: 600;}
        .ai-suggest-text p {margin: 0; font-size: 12px; color: #6b7280; line-height: 1.4;}
        .ai-suggest-btn {background: #e0e7ff; color: #4f46e5; border: none; border-radius: 6px;
            padding: 6px 12px; font-size: 12px; cursor: pointer; white-space: nowrap; transition: background 0.2s;}
        .ai-suggest-btn:hover {background: #c7d2fe;}
        /* 待办任务列表 */
        .todo-list {list-style: none; padding: 0; margin: 0;}
        .todo-item {display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px dashed #f3f4f6;}
        .todo-item:last-child {border-bottom: none; padding-bottom: 0;}
        .todo-checkbox {margin-top: 3px; width: 16px; height: 16px; accent-color: var(--primary-color); cursor: pointer;}
        .todo-content {flex: 1;}
        .todo-title {font-size: 14px; font-weight: 500; color: #1f2937; margin-bottom: 4px;}
        .todo-meta {display: flex; gap: 15px; font-size: 12px; color: #9ca3af;}
        .todo-meta span {display: flex; align-items: center; gap: 4px;}
        .priority-tag {font-size: 10px; padding: 1px 6px; border-radius: 4px; font-weight: 500; margin-right: 8px; vertical-align: middle;}
        .tag-high {background: #fee2e2; color: #ef4444;}
        .tag-mid {background: #fef3c7; color: #d97706;}
        .ai-badge {background: #e0e7ff; color: #4f46e5; font-size: 10px; padding: 1px 6px; border-radius: 4px; margin-left: 8px; font-weight: 500;}
        /* 项目进度列表 */
        .project-list {display: flex; flex-direction: column; gap: 15px;}
        .project-item {display: flex; flex-direction: column; gap: 8px;}
        .project-header-row {display: flex; justify-content: space-between; align-items: center;}
        .project-name {font-size: 14px; font-weight: 500; color: #1f2937; display: flex; align-items: center; gap: 8px;}
        .project-name i {color: var(--primary-color);}
        .project-progress-text {font-size: 12px; color: #6b7280;}
        .progress-bar-bg {height: 6px; background: #e5e7eb; border-radius: 3px; overflow: hidden;}
        .progress-bar-inner {height: 100%; border-radius: 3px; background: var(--primary-color);}
        /* --- 右侧边栏 (日程/快捷/AI助手) --- */
        .sidebar-right {width: 320px; padding: 20px 20px 20px 0; overflow-y: auto; flex-shrink: 0;}
        .right-card {background: #fff; border-radius: 10px; border: 1px solid var(--border-color);
            padding: 15px; margin-bottom: 20px;}
        .right-card-header {display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 14px; margin-bottom: 15px;}
        .right-card-header a {font-size: 12px; color: var(--text-muted); font-weight: normal; text-decoration: none; cursor: pointer;}
        /* 今日日程 */
        .schedule-list {list-style: none; padding: 0; margin: 0;}
        .schedule-item {display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed #f3f4f6;}
        .schedule-item:last-child {border-bottom: none; padding-bottom: 0;}
        .sch-time {width: 45px; font-size: 12px; color: #4b5563; font-weight: 500; flex-shrink: 0;}
        .sch-content {flex: 1;}
        .sch-title {font-size: 13px; font-weight: 500; color: #1f2937; margin-bottom: 4px;}
        .sch-meta {font-size: 12px; color: #9ca3af; display: flex; align-items: center; gap: 5px;}
        .sch-status {width: 6px; height: 6px; border-radius: 50%; background: var(--primary-color); margin-top: 6px; flex-shrink: 0;}
        .sch-status.ongoing {background: var(--success-color); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);}
        /* 快捷入口 */
        .quick-links {display: grid; grid-template-columns: 1fr 1fr; gap: 10px;}
        .quick-link-item {display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
            background: #f9fafb; border: 1px solid var(--border-color); border-radius: 8px; padding: 15px 0;
            cursor: pointer; transition: all 0.2s; text-decoration: none; color: #4b5563; font-size: 13px;}
        .quick-link-item:hover {background: #fff; border-color: var(--primary-color); color: var(--primary-color); box-shadow: 0 2px 8px rgba(0,0,0,0.05);}
        .quick-link-item i {font-size: 20px; color: var(--primary-color);}
        /* 悬浮AI按钮 (工作台版本更显眼) */
        .float-ai-btn {position: fixed; bottom: 30px; right: 30px; background: linear-gradient(135deg, #8b5cf6, #3b5998); color: #fff;
            border-radius: 25px; padding: 12px 24px; box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
            display: flex; align-items: center; gap: 10px; cursor: pointer; z-index: 1000; transition: transform 0.2s;
            font-weight: 500;}
        .float-ai-btn:hover {transform: translateY(-3px) scale(1.02);}
        .bg-purple {background: #8b5cf6;}
        .bg-red {background: #ef4444;}
        .bg-green {background: #10b981;}
        .bg-orange {background: #f59e0b;}
        .bg-gray {background: #6b7280;}
        .bg-cyan {background: #06b6d4;}

/* 页面级：内容区布局（原共享，因各页定义不同下沉到页面） */
.main-content {flex: 1; display: flex; flex-direction: column; overflow-y: auto; padding: 20px;}

/* 协同动态列表（工作台首页） */
.activity-list {list-style: none; padding: 0; margin: 0;}
.activity-item {display: flex; align-items: flex-start; gap: 10px; padding: 10px 0;
    border-bottom: 1px dashed var(--border-color); font-size: 13px; line-height: 1.6;}
.activity-item:last-child {border-bottom: none;}
.act-time {flex-shrink: 0; width: 82px; color: #9ca3af; font-size: 12px; padding-top: 1px;}
.act-text {flex: 1; color: #4b5563;}
.act-text b {color: #1f2937;}