:root {
            --primary-color: #3498db;
            --success-color: #2ecc71;
            --danger-color: #e74c3c;
            --warning-color: #f39c12;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --border-color: #dee2e6;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            overflow: hidden;
        }
        
        /* 导航栏样式 */
        header {
            height: 75px;
            background-color: white;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            position: relative;
            z-index: 100;
        }
        
        .logo {
            display: flex;
            align-items: center;
            height: 60px;
        }
        
        .logo img {
            height: 100%;
            width: auto;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 25px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary-color);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 主内容区域 */
        .main-container {
            display: flex;
            height: calc(100vh - 75px);
            position: relative;
        }
        
        /* 图标面板 */
        .icons-panel {
            width: 280px;
            background-color: white;
            box-shadow: var(--shadow);
            padding: 15px;
            overflow-y: auto;
            transition: all 0.3s ease;
            z-index: 10;
        }
        
        .icons-panel.collapsed {
            width: 0;
            padding: 0;
            overflow: hidden;
        }
        
        .toggle-panel {
            position: absolute;
            top: 50%;
            left: 280px;
            transform: translateY(-50%);
            width: 30px;
            height: 60px;
            background-color: white;
            border-radius: 0 8px 8px 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            cursor: pointer;
            z-index: 11;
            transition: left 0.3s ease;
            font-size: 12px;
            line-height: 1.2;
            text-align: center;
            padding: 5px 0;
        }
        
        .toggle-panel .toggle-text {
            font-size: 12px;
        }
        
        .icons-panel.collapsed + .toggle-panel {
            left: 0;
        }
        
        .icons-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .icons-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .category {
            margin-bottom: 15px;
        }
        
        .category-title {
            font-size: 14px;
            font-weight: bold;
            margin-bottom: 8px;
            color: var(--dark-color);
            padding-left: 5px;
            border-left: 3px solid var(--primary-color);
        }
        
        .category-icons {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        
        .icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 3px 3px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        
        .icon-item:hover {
            background-color: var(--light-color);
            border-color: var(--border-color);
        }
        
        .icon-item.active {
            background-color: rgba(52, 152, 219, 0.1);
            border-color: var(--primary-color);
        }
        
        .icon-img {
            width: 40px;
            height: 40px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }
        
        .icon-img img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        
        .icon-name {
            font-size: 12px;
            text-align: center;
            color: #555;
            line-height: 1.3;
            display: block !important;
        }
        
        /* 地图区域 */
        .map-container {
            flex: 1;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .map-canvas {
            width: 100%;
            height: 100%;
            background-color: #e9ecef;
        }
        
        .loading-indicator {
            position: absolute;
            top: 10px;
            left: 10px;
            background-color: rgba(255, 255, 255, 0.8);
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 12px;
            z-index: 5;
            display: none;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .map-controls {
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 15px;
            width: 250px;
            z-index: 5;
        }
        
        .stats {
            margin-bottom: 15px;
        }
        
        .stats h3 {
            font-size: 16px;
            margin-bottom: 10px;
        }
        
        .stats-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
            font-size: 14px;
        }
        
        .stats-total {
            font-weight: bold;
            color: var(--primary-color);
        }
        
        .control-buttons {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .btn {
            padding: 8px 12px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.2s;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-danger {
            background-color: var(--danger-color);
            color: white;
        }
        
        .btn-success {
            background-color: var(--success-color);
            color: white;
        }
        
        .btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        
        /* 地图底部控制 */
        .map-bottom-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            background-color: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            padding: 10px 20px;
            z-index: 5;
            font-size: 16px;
            height: 60px;
        }
        
        .map-selector {
            display: flex;
            align-items: center;
            margin-right: 20px;
        }
        
        .map-selector select {
            margin-left: 12px;
            padding: 8px 16px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            font-size: 14px;
        }
        
        .zoom-controls {
            display: flex;
            gap: 8px;
        }
        
        .zoom-btn {
            width: 40px;
            height: 40px;
            border-radius: 6px;
            background-color: var(--light-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-weight: bold;
            font-size: 20px;
        }
        
        /* 坐标显示 */
        .coordinates {
            position: absolute;
            bottom: 20px;
            right: 20px;
            background-color: rgba(255, 255, 255, 0.8);
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 14px;
            z-index: 5;
        }
        
        /* 标记弹窗 */
        .marker-popup {
            position: absolute;
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            width: 320px;
            max-width: 90vw;
            z-index: 20;
            display: none;
        }
        
        .popup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .popup-close {
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
            color: var(--dark-color);
        }
        
        .popup-content {
            padding: 15px;
            max-height: 60vh;
            overflow-y: auto;
        }
        
        .popup-image {
            width: 100%;
            border-radius: 4px;
            margin-bottom: 15px;
            cursor: pointer;
        }
        
        .popup-description {
            margin-bottom: 15px;
            line-height: 1.5;
        }
        
        .popup-actions {
            display: flex;
            justify-content: space-between;
        }
        
        .found-btn {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .found-btn.checked {
            color: var(--success-color);
        }
        
        /* 模态框 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }
        
        .modal-content {
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            width: 500px;
            max-width: 90vw;
            max-height: 80vh;
            overflow-y: auto;
            padding: 20px;
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .modal-close {
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
        }
        
        .modal-body {
            margin-bottom: 20px;
        }
        
        .modal-footer {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }
        
        /* 更新日志样式优化 */
        .log-item {
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .log-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .log-item h4 {
            font-size: 16px;
            color: var(--primary-color);
            margin-bottom: 8px;
            font-weight: 600;
            display: flex;
            align-items: center;
        }
        
        .log-item h4::before {
            content: "📌";
            margin-right: 8px;
            font-size: 14px;
        }
        
        .log-item p {
            font-size: 14px;
            line-height: 1.6;
            color: #555;
            padding-left: 24px;
        }
        
        /* 图片放大模态框 */
        .image-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }
        
        .image-modal-content {
            max-width: 90%;
            max-height: 90%;
        }
        
        /* 弹窗公告样式 */
        .announcement-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2001;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        
        .announcement-modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .announcement-modal-container {
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            width: 90%;
            max-width: 800px;
            max-height: 90vh;
            overflow: hidden;
            transform: scale(0.9);
            transition: transform 0.3s ease;
        }
        
        .announcement-modal-overlay.active .announcement-modal-container {
            transform: scale(1);
        }
        
        .announcement-modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 25px;
            border-bottom: 1px solid #eee;
        }
        
        .announcement-modal-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        
        .announcement-modal-close {
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #95a5a6;
            cursor: pointer;
            width: 36px;
            height: 36px;
            display: flex;
            justify-content: center;
            align-items: center;
            border-radius: 50%;
            transition: all 0.2s ease;
        }
        
        .announcement-modal-close:hover {
            background-color: #f8f9fa;
            color: #e74c3c;
        }
        
        .announcement-modal-content {
            padding: 25px;
            overflow-y: auto;
            max-height: calc(90vh - 130px);
        }
        
        .announcement-modal-media {
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .announcement-modal-media img, .announcement-modal-media video {
            width: 100%;
            max-height: 300px;
            object-fit: cover;
            display: block;
        }
        
        .announcement-modal-text {
            color: #4a5568;
        }
        
        .announcement-modal-text h3 {
            color: #2c3e50;
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .announcement-modal-text p {
            margin-bottom: 15px;
        }
        
        .announcement-modal-text ul {
            margin-left: 20px;
            margin-bottom: 15px;
        }
        
        .announcement-modal-text li {
            margin-bottom: 8px;
        }
        
        .announcement-modal-footer {
            padding: 15px 25px;
            border-top: 1px solid #eee;
            display: flex;
            justify-content: flex-end;
        }
        
        .announcement-modal-btn {
            padding: 10px 20px;
            border-radius: 6px;
            border: none;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .announcement-modal-btn-primary {
            background-color: #3498db;
            color: white;
        }
        
        .announcement-modal-btn-primary:hover {
            background-color: #2980b9;
        }
        
        .announcement-modal-btn-secondary {
            background-color: #ecf0f1;
            color: #7f8c8d;
            margin-right: 10px;
        }
        
        .announcement-modal-btn-secondary:hover {
            background-color: #dde4e6;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            header {
                padding: 0 15px;
            }
            
            .logo {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 75px;
                right: 0;
                background-color: white;
                box-shadow: var(--shadow);
                width: 200px;
                flex-direction: column;
                padding: 15px;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .main-container {
                flex-direction: column;
            }
            
            .icons-panel {
                width: 100%;
                height: 200px;
            }
            
            .icons-panel.collapsed {
                height: 0;
            }
            
            .toggle-panel {
                top: auto;
                bottom: -30px;
                right: 50%;
                transform: translateX(50%);
                font-size: 15px;
                border-radius: 8px 8px 0 0;
                width: 60px;
                height: 30px;
                flex-direction: row;
            }
            
            .map-controls {
                width: 200px;
            }
            
            .map-bottom-controls {
                width: 90%;
                justify-content: space-between;
                padding: 10px 15px;
                font-size: 14px;
                height: 50px;
            }
            
            .map-selector select {
                padding: 6px 12px;
                font-size: 14px;
            }
            
            .zoom-btn {
                width: 35px;
                height: 35px;
                font-size: 18px;
            }
            
            .coordinates {
                bottom: 70px;
                right: 10px;
                font-size: 12px;
            }
            
            .announcement-modal-container {
                width: 95%;
            }
            
            .announcement-modal-header, .announcement-modal-content, .announcement-modal-footer {
                padding: 15px 20px;
            }
            
            .announcement-modal-title {
                font-size: 1.3rem;
            }
            
            .icon-name {
                font-size: 11px;
            }
        }
        
        @media (max-width: 480px) {
            .modal-footer {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
                margin-bottom: 10px;
            }
            
            .modal-btn-secondary {
                margin-right: 0;
            }
            
            .announcement-modal-footer {
                flex-direction: column;
            }
            
            .announcement-modal-btn {
                width: 100%;
                margin-bottom: 10px;
            }
            
            .announcement-modal-btn-secondary {
                margin-right: 0;
            }
            
            .icon-name {
                font-size: 10px;
                line-height: 1.2;
            }
        }    
        
        /* 新增功能CSS样式 */
        .icons-header-controls {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100%;
        }
        
        .header-buttons {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 8px;
            width: 100%;
            margin-top: 5px;
        }
        
        .header-btn {
            padding: 6px 8px;
            font-size: 12px;
            border-radius: 6px;
            border: 1px solid #5d6d7e;
            background-color: #4a5a6b;
            color: #ecf0f1;
            cursor: pointer;
            transition: all 0.2s ease;
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .header-btn:hover {
            background-color: #3a4a5b;
        }
        
        .header-btn.active {
            background-color: #3498db;
            border-color: #2980b9;
        }
        
        /* 分类滑动条样式 */
        .category-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: -10px;
            padding: 8px 5px;
            cursor: pointer;
            user-select: none;
        }
        
        .category-toggle {
            width: 40px;
            height: 20px;
            background-color: #3498db;
            border-radius: 10px;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .category-toggle::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            background-color: #ecf0f1;
            border-radius: 50%;
            top: 2px;
            left: 22px;
            transition: all 0.3s ease;
        }
        
        .category-toggle.collapsed {
            background-color: #7f8c8d;
        }
        
        .category-toggle.collapsed::after {
            left: 2px;
        }
        
        .category-icons {
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .category-icons.collapsed {
            max-height: 0;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .header-buttons {
                grid-template-columns: 1fr;
                gap: 5px;
            }
            
            .header-btn {
                font-size: 11px;
                padding: 5px 6px;
            }
        }
    
        /* 图标标题样式 */
        .marker-title {
            position: absolute;
            background-color: rgba(255, 255, 255, 0.95);
            color: #000;
            padding: 8px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: bold;
            white-space: nowrap;
            pointer-events: none;
            transform: translateX(-50%);
            z-index: 10;
            display: block;
            min-width: 100px;
            text-align: center;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
        }

        .marker-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-top: 10px solid rgba(255, 255, 255, 0.95);
        }