html {
            overflow-y: scroll;
        }
        body {
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }
        /* 页面加载时淡入效果，消除抖动 */
        body.loading {
            opacity: 0;
            transition: opacity 0.2s;
        }

        /* 完全独立的导航栏样式，不修改任何Bootstrap原生类 */
        .custom-navbar {
            background: linear-gradient(135deg, #1a3b6d 0%, #2c5282 100%) !important;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            padding: 0 15px;
            min-height: 48px;
            height: 48px;
            line-height: 48px;
        }
        
        .custom-navbar-brand {
            color: white !important;
            font-size: 18px !important;
            font-weight: bold;
            padding: 12px 0 !important;
            display: inline-flex !important;
            align-items: center !important;
            text-decoration: none;
            position: relative;
        }

        .custom-navbar-brand:before {
            content: "" !important;
            display: inline-block !important;
            width: 24px !important;
            height: 24px !important;
            margin-right: 8px !important;
            margin-top: 4px !important;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center !important;
            flex-shrink: 0 !important;
        }
        
        .custom-nav-link {
            color: #e6f2ff !important;
            padding: 0 8px !important;
            font-size: 14px !important;
            line-height: 48px !important;
            transition: all 0.2s !important;
            border-bottom: 3px solid transparent !important;
            white-space: nowrap;
            display: inline-block;
        }
        
        .custom-nav-link:hover {
            color: white !important;
            background-color: rgba(255, 255, 255, 0.1) !important;
            border-bottom: 3px solid #4a90e2 !important;
        }
        
        .custom-nav-link.active {
            color: white !important;
            background-color: rgba(255, 255, 255, 0.15) !important;
            border-bottom: 3px solid #4a90e2 !important;
        }

        /* 禁用菜单项样式（颜色变淡） */
        .custom-nav-link.disabled-link {
            color: #99aabb !important;
            pointer-events: auto;
            cursor: pointer;
        }
        .custom-nav-link.disabled-link:hover {
            background-color: transparent !important;
            border-bottom-color: transparent !important;
            color: #99aabb !important;
        }
        
        /* ==================== 修复3：项目负责人待回复信访闪烁提醒 ==================== */
        /* 红色闪烁边框样式已存在，无需修改 */
        @keyframes blink-border {
            0% { border-color: #dc3545; background-color: rgba(220, 53, 69, 0.1); }
            50% { border-color: #ff6b6b; background-color: rgba(255, 107, 107, 0.3); }
            100% { border-color: #dc3545; background-color: rgba(220, 53, 69, 0.1); }
        }
        .urgent-pending {
            animation: blink-border 1.5s infinite !important;
            border-bottom: 3px solid #dc3545 !important;
            border-radius: 0 !important;
            font-weight: bold !important;
        }
        
        .custom-navbar-text {
            color: #cce0ff !important;
            font-size: 12px !important;
            padding: 12px 0 !important;
        }
        
        /* 红色徽章样式（调整位置，不撑高导航栏） */
        .badge-pending {
            position: relative;
            top: -2px;
            display: inline-block;
            padding: 3px 6px;
            border-radius: 10px;
            background-color: #dc3545;
            color: white;
            font-size: 11px;
            font-weight: bold;
            line-height: 1;
            margin-left: 5px;
            vertical-align: middle;
        }
        
        /* 下拉菜单样式保持Bootstrap原有 */
        .dropdown-menu {
            min-width: 120px !important;
            font-size: 13px !important;
        }
        .dropdown-item {
            padding: 6px 12px !important;
            font-size: 13px !important;
            line-height: 1.5 !important;
        }
        .dropdown-item.disabled-link {
            color: #99aabb !important;
            background-color: transparent !important;
        }
        .dropdown-item.disabled-link:hover {
            background-color: transparent !important;
            color: #99aabb !important;
        }
        
        /* 响应式调整（仅PC，保留最小兼容） */
        @media (max-width: 1200px) {
            .custom-nav-link {
                padding: 0 6px !important;
                font-size: 13px !important;
            }
        }
        @media (max-width: 991.98px) {
            .custom-nav-link {
                padding: 0 10px !important;
                font-size: 12px !important;
            }
            .custom-navbar-brand {
                font-size: 16px !important;
            }
        }
        @media (max-width: 768px) {
            .custom-nav-link {
                padding: 0 8px !important;
                font-size: 11px !important;
            }
            .custom-navbar-brand {
                font-size: 14px !important;
            }
        }
        
        /* 页脚样式，使用独立类 */
        .system-footer {
            background: #f8f9fa !important;
            border-top: 1px solid #e0e0e0 !important;
            padding: 15px 0 !important;
            margin-top: 20px !important;
            font-size: 12px !important;
            color: #718096 !important;
        }
        
        /* 新增信访页面样式（原样保留） */
        .add-petition-container { padding: 20px; background-color: #fff; }
        .add-petition-form { max-width: 1200px; margin: 0 auto; }
        .add-petition-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid #2c5282; }
        .add-petition-header h2 { margin: 0; color: #2c5282; font-weight: bold; }
        .add-petition-module { background-color: #f8f9fa; border-radius: 5px; padding: 15px; margin-bottom: 20px; border: 1px solid #dee2e6; }
        .add-petition-module-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; padding-bottom: 8px; border-bottom: 1px solid #ced4da; }
        .add-petition-module-header h3 { margin: 0; font-size: 16px; color: #495057; font-weight: 600; }
        .add-petition-module-header h4 { margin: 0; font-size: 14px; color: #495057; font-weight: 600; }
        .compact-form-row { display: flex; flex-wrap: wrap; margin-right: -10px; margin-left: -10px; }
        .compact-form-col { flex: 1 0 0%; padding-right: 10px; padding-left: 10px; margin-bottom: 10px; }
        .compact-form-group { margin-bottom: 8px; }
        .compact-form-label { display: block; margin-bottom: 3px; font-size: 12px; color: #495057; font-weight: 500; }
        .compact-form-label.required:after { content: "*"; color: #dc3545; margin-left: 2px; }
        .compact-form-control { display: block; width: 100%; padding: 6px 8px; font-size: 12px; line-height: 1.5; color: #495057; background-color: #fff; border: 1px solid #ced4da; border-radius: 3px; transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out; }
        .compact-form-control:focus { border-color: #80bdff; outline: 0; box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); }
        .number-input { text-align: right; }
        .company-row { background-color: #fff; border: 1px solid #dee2e6; border-radius: 4px; padding: 10px; margin-bottom: 15px; }
        .company-row-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; padding-bottom: 5px; border-bottom: 1px solid #e9ecef; }
        .company-row-body { padding: 5px 0; }
        .settlement-info { background-color: #e9ecef; padding: 10px; border-radius: 4px; margin-top: 10px; }
        .settlement-info h5 { font-size: 13px; margin: 0 0 8px 0; color: #495057; }
        .fund-row { background-color: #f8f9fa; padding: 8px; border-radius: 3px; margin-bottom: 8px; border: 1px solid #e9ecef; }
        .form-actions { display: flex; justify-content: center; gap: 10px; margin-top: 20px; padding-top: 15px; border-top: 1px solid #dee2e6; }
        
        /* 搜索选择框样式 */
        .search-select-container { position: relative; }
        .search-select-options { position: absolute; top: 100%; left: 0; right: 0; z-index: 1000; background-color: white; border: 1px solid #ced4da; border-radius: 3px; max-height: 200px; overflow-y: auto; display: none; }
        .search-select-option { padding: 6px 10px; cursor: pointer; font-size: 12px; }
        .search-select-option:hover { background-color: #f8f9fa; }
        .search-select-option.selected { background-color: #e7f3ff; }

        /* 地图页面样式 */
        .map-container { height: 500px; width: 100%; background-color: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; }
        .supplier-table th { background-color: #f8f9fa; font-size: 13px; }
        .supplier-table td { font-size: 12px; vertical-align: middle; }
        .badge-unknown { background-color: #dc3545; color: white; padding: 2px 6px; border-radius: 3px; font-size: 11px; }
        .badge-success { background-color: #28a745; color: white; padding: 2px 6px; border-radius: 3px; font-size: 11px; }
        .legend-item { display: flex; align-items: center; margin-right: 15px; font-size: 12px; }
        .legend-color { width: 20px; height: 20px; margin-right: 5px; border-radius: 3px; }