:root {
            --primary-dark: #0a1929;
            --primary-blue: #1a3a5f;
            --accent-orange: #ff6b35;
            --accent-green: #4CAF50;
            --warning-red: #e74c3c;
            --text-light: #e0e0e0;
            --text-gray: #b0b0b0;
            --card-bg: rgba(255, 255, 255, 0.08);
            --card-border: rgba(255, 255, 255, 0.12);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            }
        body {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0d1f33 100%);
            color: var(--text-light);
            min-height: 100vh;
            overflow-x: hidden;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
        }
        /* 头部样式 */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--card-border);
            margin-bottom: 30px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .logo-icon {
            width: 50px;
            height: 50px;
            background: var(--accent-orange);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }
        .logo-text h1 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .logo-text p {
            color: var(--text-gray);
            font-size: 14px;
        }
        .admin-panel {
            display: flex;
            gap: 15px;
            align-items: center;
        }
        .admin-login {
            display: flex;
            gap: 10px;
        }
        input[type="password"] {
            padding: 10px 15px;
            border-radius: 5px;
            border: 1px solid var(--card-border);
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            width: 200px;
        }
        .admin-btn {
            padding: 10px 20px;
            background: var(--accent-orange);
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .admin-btn:hover {
            background: #e55a2b;
            transform: translateY(-2px);
        }
        .admin-actions {
            display: none;
            gap: 15px;
            align-items: center;
        }
        /* 仪表盘网格 */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: auto;
            gap: 20px;
            margin-bottom: 30px;
        }
        .dashboard-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--card-border);
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .dashboard-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .card-large {
            grid-column: span 2;
        }
        .card-full {
            grid-column: 1 / -1;
        }
        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 107, 53, 0.2);
            color: var(--accent-orange);
        }
        /* 火险等级指示器 */
        .risk-level {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 10px;
        }
        .risk-indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }
        .risk-low {
            background: var(--accent-green);
        }
        .risk-medium {
            background: #f39c12;
        }
        .risk-high {
            background: var(--accent-orange);
        }
        .risk-extreme {
            background: var(--warning-red);
        }
        /* 数据值样式 */
        .data-value {
            font-size: 28px;
            font-weight: 700;
            margin: 10px 0;
        }
        .data-unit {
            font-size: 14px;
            color: var(--text-gray);
            margin-left: 5px;
        }
        /* 地图容器 */
        #map {
            height: 400px;
            width: 100%;
            border-radius: 8px;
            overflow: hidden;
        }
        /* 预警列表 */
        .warning-list {
            max-height: 300px;
            overflow-y: auto;
        }
        .warning-item {
            padding: 15px;
            border-left: 4px solid var(--accent-orange);
            background: rgba(255, 107, 53, 0.1);
            border-radius: 0 8px 8px 0;
            margin-bottom: 10px;
        }
        .warning-title {
            font-weight: 600;
            margin-bottom: 5px;
            display: flex;
            justify-content: space-between;
        }
        .warning-time {
            font-size: 12px;
            color: var(--text-gray);
        }
        /* 导航卡片 */
        .nav-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .nav-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            border: 1px solid var(--card-border);
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
            color: var(--text-light);
        }
        .nav-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .nav-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-size: 24px;
            background: rgba(255, 107, 53, 0.2);
            color: var(--accent-orange);
        }
        .nav-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .nav-desc {
            font-size: 14px;
            color: var(--text-gray);
        }
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .card-large {
                grid-column: span 1;
            }
            .nav-cards {
                grid-template-columns: 1fr;
            }
            header {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            .admin-login {
                flex-direction: column;
                width: 100%;
            }
            input[type="password"] {
                width: 100%;
            }
        }