/* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 5px;
            height: 5px;
        }
        ::-webkit-scrollbar-track {
            background: var(--gray-100);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--gray-400);
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            width: var(--sidebar-width);
            background: var(--gray-900);
            color: #fff;
            height: 100vh;
            position: sticky;
            top: 0;
            display: flex;
            flex-direction: column;
            flex-shrink: 0;
            transition: transform var(--transition);
            z-index: 100;
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 20px 20px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-brand .brand-text {
            font-weight: 600;
            font-size: 17px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }
        .sidebar-brand .brand-text small {
            display: block;
            font-weight: 400;
            font-size: 11px;
            color: var(--gray-400);
            letter-spacing: 0.5px;
        }
       #SOPsys{
        text-decoration: none;
        color: white;
       }
        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
        }

        .sidebar-nav .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            color: var(--gray-500);
            padding: 12px 12px 6px;
            font-weight: 600;
        }

        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 8px;
            color: var(--gray-300);
            text-decoration: none;
            cursor: pointer;
            transition: all var(--transition);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 2px;
            position: relative;
        }

        .sidebar-nav .nav-item i {
            width: 20px;
            font-size: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .sidebar-nav .nav-item:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .sidebar-nav .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(3, 66, 201, 0.35);
        }

        .sidebar-nav .nav-item .badge {
            margin-left: auto;
            background: rgba(255, 255, 255, 0.15);
            font-size: 11px;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 500;
        }

        .sidebar-nav .nav-item.active .badge {
            background: rgba(255, 255, 255, 0.2);
        }

        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--gray-500);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-footer .user-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
            font-weight: 600;
        }
        .sidebar-footer .user-info {
            flex: 1;
        }
        .sidebar-footer .user-info .name {
            color: var(--gray-200);
            font-weight: 500;
            font-size: 13px;
        }
        .sidebar-footer .user-info .role {
            font-size: 11px;
            color: var(--gray-500);
        }
        

        /* ===== 主内容 ===== */
        .main {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ===== 顶栏 ===== */
        .topbar {
            height: var(--header-height);
            background: #fff;
            border-bottom: 1px solid var(--gray-200);
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 50;
            flex-shrink: 0;
        }

        .topbar .page-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--gray-900);
        }
        .topbar .page-title span {
            color: var(--gray-500);
            font-weight: 400;
            font-size: 14px;
            margin-left: 8px;
        }

        .topbar .topbar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-actions .icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: none;
            background: var(--gray-100);
            color: var(--gray-600);
            font-size: 16px;
            cursor: pointer;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .topbar .topbar-actions .icon-btn:hover {
            background: var(--gray-200);
        }
        .topbar .topbar-actions .icon-btn .dot {
            width: 8px;
            height: 8px;
            background: var(--danger);
            border-radius: 50%;
            position: absolute;
            top: 6px;
            right: 6px;
            border: 2px solid #fff;
        }
        .topbar .topbar-actions .date-display {
            font-size: 13px;
            color: var(--gray-500);
            font-weight: 400;
        }

        /* ===== 页面容器 ===== */
        .page-container {
            flex: 1;
            padding: 28px 32px 32px;
            overflow-y: auto;
        }

        .page {
            display: none;
            animation: fadeUp 0.35s ease;
        }
        .page.active {
            display: block;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 首页 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 18px;
            margin-bottom: 28px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--gray-300);
        }
        .stat-card .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--gray-900);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--gray-500);
            margin-top: 4px;
        }
        .stat-card .stat-change {
            font-size: 12px;
            font-weight: 500;
            margin-top: 6px;
            display: inline-block;
            padding: 2px 10px;
            border-radius: 12px;
        }
        .stat-card .stat-change.up {
            color: var(--success);
            background: var(--success-bg);
        }
        .stat-card .stat-change.down {
            color: var(--danger);
            background: var(--danger-bg);
        }

        .stat-icon.blue {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .stat-icon.green {
            background: var(--success-bg);
            color: var(--success);
        }
        .stat-icon.yellow {
            background: var(--warning-bg);
            color: var(--warning);
        }
        .stat-icon.red {
            background: var(--danger-bg);
            color: var(--danger);
        }

        /* 首页快捷入口 */
        .quick-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .quick-actions .qa-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            background: #fff;
            border: 1px solid var(--gray-200);
            border-radius: var(--radius);
            font-size: 14px;
            font-weight: 500;
            color: var(--gray-700);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            box-shadow: var(--shadow);
        }
        .quick-actions .qa-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .quick-actions .qa-btn i {
            font-size: 18px;
            color: var(--primary);
        }
        .quick-actions .qa-btn.primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .quick-actions .qa-btn.primary i {
            color: #fff;
        }
        .quick-actions .qa-btn.primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* 首页最近动态 */
        .recent-section {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .recent-section .section-header {
            padding: 16px 22px;
            border-bottom: 1px solid var(--gray-200);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 15px;
        }
        .recent-section .section-header a {
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
        }
        .recent-section .section-header a:hover {
            text-decoration: underline;
        }

        .activity-list {
            padding: 6px 0;
        }
        .activity-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 22px;
            border-bottom: 1px solid var(--gray-100);
            transition: background var(--transition);
        }
        .activity-item:hover {
            background: var(--gray-50);
        }
        .activity-item:last-child {
            border-bottom: none;
        }
        .activity-item .a-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .activity-item .a-icon.blue {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .activity-item .a-icon.green {
            background: var(--success-bg);
            color: var(--success);
        }
        .activity-item .a-icon.yellow {
            background: var(--warning-bg);
            color: var(--warning);
        }
        .activity-item .a-icon.red {
            background: var(--danger-bg);
            color: var(--danger);
        }

        .activity-item .a-content {
            flex: 1;
        }
        .activity-item .a-content .a-title {
            font-weight: 500;
            font-size: 14px;
        }
        .activity-item .a-content .a-title .highlight {
            color: var(--primary);
            font-weight: 600;
        }
        .activity-item .a-content .a-meta {
            font-size: 12px;
            color: var(--gray-500);
            margin-top: 2px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .activity-item .a-content .a-meta .tag {
            padding: 1px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 500;
        }
        .tag.tag-ok {
            background: var(--success-bg);
            color: var(--success);
        }
        .tag.tag-ng {
            background: var(--danger-bg);
            color: var(--danger);
        }
        .tag.tag-pending {
            background: var(--warning-bg);
            color: var(--warning);
        }
        .tag.tag-draft {
            background: var(--gray-200);
            color: var(--gray-600);
        }
        #BUTN{
            display: flex;
            justify-content: center;
        }
        .activity-item .a-time {
            font-size: 12px;
            color: var(--gray-400);
            white-space: nowrap;
        }

        /* ===== SOP上传页面 ===== */
        .upload-form {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            padding: 28px 32px;
            max-width: 820px;
        }

        .upload-form .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px 28px;
        }
        .upload-form .form-grid .full-width {
            grid-column: 1 / -1;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--gray-700);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .form-group label .required {
            color: var(--danger);
            font-weight: 700;
        }
        .form-group label .hint {
            font-weight: 400;
            color: var(--gray-400);
            font-size: 12px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 9px 14px;
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            font-size: 14px;
            color: var(--gray-800);
            background: #fff;
            transition: all var(--transition);
            outline: none;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 70px;
        }
        .form-group .help-text {
            font-size: 12px;
            color: var(--gray-400);
        }

        /* 文件上传区域 */
        .upload-zone {
            border: 2px dashed var(--gray-300);
            border-radius: 10px;
            padding: 30px 20px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition);
            background: var(--gray-50);
            position: relative;
        }
        .upload-zone:hover {
            border-color: var(--primary);
            background: var(--primary-bg);
        }
        .upload-zone .uz-icon {
            font-size: 36px;
            color: var(--gray-400);
            margin-bottom: 8px;
        }
        .upload-zone .uz-title {
            font-weight: 500;
            font-size: 15px;
            color: var(--gray-700);
        }
        .upload-zone .uz-hint {
            font-size: 13px;
            color: var(--gray-500);
            margin-top: 4px;
        }
        .upload-zone .uz-filename {
            margin-top: 10px;
            padding: 6px 16px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            display: inline-block;
        }
        .upload-zone input[type="file"] {
            position: absolute;
            inset: 0;
            opacity: 0;
            cursor: pointer;
        }

        .form-actions {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--gray-200);
            display: flex;
            gap: 12px;
            justify-content: flex-end;
        }

        .btn {
            padding: 10px 28px;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .btn-secondary {
            background: var(--gray-200);
            color: var(--gray-700);
        }
        .btn-secondary:hover {
            background: var(--gray-300);
        }
        .btn-success {
            background: var(--success);
            color: #fff;
        }
        .btn-success:hover {
            background: #15803d;
            box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
        }
        .btn-danger {
            background: var(--danger);
            color: #fff;
        }
        .btn-danger:hover {
            background: #b91c1c;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-bg);
        }
        .btn-sm {
            padding: 6px 16px;
            font-size: 12px;
        }

        /* ===== SOP评审页面 ===== */
        .review-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        @media (max-width: 1000px) {
            .review-container {
                grid-template-columns: 1fr;
            }
        }

        .review-flow {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            padding: 24px 26px;
        }

        .review-flow .flow-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-flow .flow-title .flow-badge {
            font-size: 12px;
            font-weight: 500;
            padding: 2px 12px;
            border-radius: 20px;
            background: var(--primary-bg);
            color: var(--primary);
        }
        .review-flow .flow-title {
            flex-wrap: wrap;
        }
        .flow-actions {
            margin-left: auto;
            display: flex;
            gap: 8px;
        }

        .review-empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 48px 20px;
            color: var(--gray-400);
            text-align: center;
        }
        .review-empty-state i {
            font-size: 48px;
            margin-bottom: 16px;
            color: var(--gray-300);
        }
        .review-empty-state p {
            font-size: 16px;
            font-weight: 600;
            color: var(--gray-500);
            margin-bottom: 8px;
        }
        .review-empty-state span {
            font-size: 13px;
        }

        .flow-steps {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .flow-step {
            display: flex;
            align-items: stretch;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 10px;
            background: var(--gray-50);
            border-left: 4px solid var(--gray-300);
            transition: all var(--transition);
        }
        .flow-step.active {
            background: var(--primary-bg);
            border-left-color: var(--primary);
        }
        .flow-step.done {
            background: var(--success-bg);
            border-left-color: var(--success);
        }
        .flow-step.fail {
            background: var(--danger-bg);
            border-left-color: var(--danger);
        }

        .flow-step .step-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            background: #fff;
            border: 2px solid var(--gray-300);
            color: var(--gray-500);
        }
        .flow-step.active .step-icon {
            border-color: var(--primary);
            color: var(--primary);
            background: #fff;
        }
        .flow-step.done .step-icon {
            border-color: var(--success);
            color: var(--success);
            background: #fff;
        }
        .flow-step.fail .step-icon {
            border-color: var(--danger);
            color: var(--danger);
            background: #fff;
        }

        .flow-step .step-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .flow-step .step-info .step-name {
            font-weight: 600;
            font-size: 14px;
        }
        .flow-step .step-info .step-desc {
            font-size: 13px;
            color: var(--gray-500);
            margin-top: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .flow-step .step-info .step-desc .reviewer-tag {
            background: var(--gray-200);
            padding: 1px 10px;
            border-radius: 12px;
            font-size: 12px;
            color: var(--gray-600);
        }
        .flow-step .step-status {
            display: flex;
            align-items: center;
            font-size: 13px;
            font-weight: 500;
            gap: 6px;
        }
        .flow-step .step-status .status-badge {
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
        }
        .status-badge.pending {
            background: var(--warning-bg);
            color: var(--warning);
        }
        .status-badge.approved {
            background: var(--success-bg);
            color: var(--success);
        }
        .status-badge.rejected {
            background: var(--danger-bg);
            color: var(--danger);
        }
        .status-badge.waiting {
            background: var(--gray-200);
            color: var(--gray-500);
        }

        /* 评审问题记录 */
        .review-issues {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            padding: 24px 26px;
        }
        .review-issues .issues-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .issues-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .issues-table th {
            text-align: left;
            padding: 10px 12px;
            background: var(--gray-50);
            font-weight: 600;
            color: var(--gray-600);
            border-bottom: 2px solid var(--gray-200);
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .issues-table td {
            padding: 10px 12px;
            border-bottom: 1px solid var(--gray-100);
            vertical-align: middle;
        }
        .issues-table tr:hover td {
            background: var(--gray-50);
        }
        .issues-table .issue-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        .issue-status.ok {
            background: var(--success-bg);
            color: var(--success);
        }
        .issue-status.ng {
            background: var(--danger-bg);
            color: var(--danger);
        }
        .issue-status.pending {
            background: var(--warning-bg);
            color: var(--warning);
        }
        .issues-table .issues-empty {
            text-align: center;
            padding: 32px 16px !important;
            color: var(--gray-400);
            font-size: 14px;
        }

        .add-issue-form {
            margin-top: 16px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .add-issue-form input {
            padding: 7px 14px;
            border: 1px solid var(--gray-300);
            border-radius: 6px;
            font-size: 13px;
            flex: 1;
            min-width: 140px;
            outline: none;
        }
        .add-issue-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .submitter-hint {
            font-size: 12px;
            color: var(--gray-500);
            white-space: nowrap;
            padding: 6px 12px;
            background: var(--gray-100);
            border-radius: 6px;
        }

        /* ===== 版本管理 ===== */
        .version-toolbar {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
            align-items: center;
        }
        .version-toolbar .search-box {
            flex: 1;
            min-width: 200px;
            display: flex;
            gap: 8px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            padding: 0 14px;
            transition: all var(--transition);
        }
        .version-toolbar .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .version-toolbar .search-box input {
            border: none;
            padding: 9px 0;
            font-size: 14px;
            flex: 1;
            outline: none;
            background: transparent;
        }
        .version-toolbar .search-box i {
            color: var(--gray-400);
        }

        .version-table-wrap {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .version-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .version-table th {
            text-align: left;
            padding: 14px 18px;
            background: var(--gray-50);
            font-weight: 600;
            color: var(--gray-600);
            border-bottom: 2px solid var(--gray-200);
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .version-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--gray-100);
            vertical-align: middle;
        }
        .version-table tr:hover td {
            background: var(--gray-50);
        }
        .version-table .version-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        .version-tag.official {
            background: var(--success-bg);
            color: var(--success);
        }
        .version-tag.temp {
            background: var(--warning-bg);
            color: var(--warning);
        }
        .version-tag.draft {
            background: var(--gray-200);
            color: var(--gray-600);
        }

        .version-table .action-btns {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .version-table .action-btns .btn {
            padding: 4px 12px;
            font-size: 12px;
        }

        .version-table .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            margin-right: 6px;
        }
        .status-dot.green {
            background: var(--success);
        }
        .status-dot.yellow {
            background: var(--warning);
        }
        .status-dot.gray {
            background: var(--gray-400);
        }
        .status-dot.red {
            background: var(--danger);
        }

        /* ===== Toast 提示 ===== */
        .toast-container {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }
        .toast {
            padding: 14px 22px;
            background: var(--gray-900);
            color: #fff;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 12px;
            animation: slideUp 0.35s ease;
            min-width: 240px;
            border-left: 4px solid var(--primary);
        }
        .toast.success {
            border-left-color: var(--success);
        }
        .toast.error {
            border-left-color: var(--danger);
        }
        .toast i {
            font-size: 18px;
        }
        .toast.success i {
            color: var(--success);
        }
        .toast.error i {
            color: var(--danger);
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .sidebar {
                position: fixed;
                transform: translateX(-100%);
                width: 260px;
                height: 100vh;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .topbar {
                padding: 0 16px;
            }
            .page-container {
                padding: 16px;
            }
            .upload-form .form-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .review-container {
                grid-template-columns: 1fr;
            }
            .version-table-wrap {
                overflow-x: auto;
            }
            .topbar .page-title span {
                display: none;
            }
            .topbar .topbar-actions .date-display {
                display: none;
            }
            .mobile-toggle {
                display: flex !important;
            }
            .upload-form {
                padding: 20px 16px;
            }
            .review-flow,
            .review-issues {
                padding: 18px 16px;
            }
            .quick-actions .qa-btn {
                padding: 10px 16px;
                font-size: 13px;
            }
            .add-issue-form input {
                min-width: 100px;
            }
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--gray-700);
            cursor: pointer;
            padding: 4px;
        }

        /* 侧边栏遮罩 */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.3);
            z-index: 90;
        }
        .sidebar-overlay.active {
            display: block;
        }

        /* ===== 评审节点内的SOP信息头 ===== */
        .sop-info-header {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            background: var(--gray-50);
            padding: 12px 16px;
            border-radius: 8px;
            margin-bottom: 18px;
            font-size: 13px;
            border: 1px solid var(--gray-200);
        }
        .sop-info-header .info-item {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--gray-600);
        }
        .sop-info-header .info-item strong {
            color: var(--gray-800);
            font-weight: 600;
        }
        .sop-info-header .info-item .badge-product {
            background: var(--primary-bg);
            color: var(--primary);
            padding: 1px 10px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 12px;
        }

        /* SOP 预览弹窗 */
        .preview-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            padding: 20px;
        }
        .preview-overlay.show {
            display: flex;
        }
        .preview-modal {
            background: #fff;
            border-radius: 12px;
            width: 100%;
            max-width: 800px;
            max-height: 85vh;
            display: flex;
            flex-direction: column;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }
        .preview-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-200);
        }
        .preview-header h3 {
            font-size: 16px;
            font-weight: 600;
        }
        .preview-close {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--gray-500);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
        }
        .preview-close:hover {
            background: var(--gray-100);
        }
        .preview-body {
            padding: 20px;
            overflow: auto;
            flex: 1;
        }
        .preview-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 60px 20px;
            color: var(--gray-400);
            text-align: center;
        }
        .preview-placeholder i {
            font-size: 64px;
            margin-bottom: 16px;
            color: var(--danger);
        }
        .preview-placeholder p {
            font-size: 15px;
            font-weight: 600;
            color: var(--gray-600);
            margin-bottom: 8px;
        }
        .preview-iframe {
            width: 100%;
            height: 60vh;
            border: 1px solid var(--gray-200);
            border-radius: 8px;
        }
        #Quit {
            font-size: 11px;
            color: #1f3ae6;
        }
        /* ===== 评审页面新布局 ===== */
.review-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
    height: 100%;
    min-height: 500px;
}

@media (max-width: 768px) {
    .review-container {
        grid-template-columns: 1fr;
        height: auto;
    }
}

/* 左侧列表面板 */
.review-list-panel {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: fit-content;
    max-height: 600px;
}

.panel-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.panel-header .task-count {
    margin-left: auto;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.task-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
}

.task-item {
    padding: 12px 18px;
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.task-item:hover {
    background: var(--gray-50);
}

.task-item.active {
    background: var(--primary-bg);
    border-left: 4px solid var(--primary);
}

.task-item .task-title {
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.task-item .task-title .version-tag {
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 12px;
    background: var(--gray-200);
    color: var(--gray-600);
}

.task-item .task-meta {
    font-size: 12px;
    color: var(--gray-500);
    display: flex;
    gap: 12px;
}

.task-item .task-status {
    font-size: 11px;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 12px;
}

.task-status.pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.task-status.approved {
    background: var(--success-bg);
    color: var(--success);
}

.task-status.rejected {
    background: var(--danger-bg);
    color: var(--danger);
}

.task-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-400);
    font-size: 14px;
}

/* 右侧详情面板 */
.review-detail-panel {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    padding: 24px 26px;
    min-height: 400px;
}

.detail-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--gray-400);
}

.detail-placeholder i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--gray-300);
}

.detail-placeholder p {
    font-size: 16px;
    font-weight: 500;
}

/* 覆盖原有 review-issues 样式（已内嵌） */
.review-issues {
    margin-top: 20px;
    padding: 0;
    border: none;
    box-shadow: none;
}

/* 流程步骤样式与原来保持一致，但微调间距 */
.flow-steps {
    margin-top: 12px;
}