   * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary: #c72c2c;
            --primary-dark: #9a2121;
            --secondary: #2c3e50;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --warning: #ffc107;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        body {
            background: linear-gradient(135deg, #f9f9f9 0%, #eef2f6 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            padding-bottom: 60px;
            position: relative;
        }
        
        header {
            background: var(--primary);
            color: white;
            padding: 0.8rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .container {
            width: 100%;

        }
		
		
		.container-box {
		    width: 100%;
		    max-width: 90%;
		    margin: 0 auto;
		    padding: 0 15px;
		}
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo img {
            height: 50px;
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
        }
        
        .logo h1 {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .search-box {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            width: 350px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .search-box input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: 1rem;
            outline: none;
        }
        
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 20px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .search-box button:hover {
            background: #1a2530;
        }
        
        .hero {
            background: linear-gradient(rgba(199, 44, 44, 0.9), rgba(44, 62, 80, 0.9)), url('背景图片.jpg') center/cover;
            color: white;
            text-align: center;
            padding: 80px 20px;
            margin-bottom: 40px;
            border-radius: 0 0 20px 20px;
            box-shadow: var(--shadow);
        }
        
        .hero h2 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            font-weight: 700;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .status-bar {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            padding: 15px 25px;
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .status-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--success);
        }
        
        .status-dot.warning {
            background: var(--warning);
        }
        
        .section-title {
            text-align: center;
            margin: 40px 0 30px;
            color: var(--secondary);
            position: relative;
            font-size: 2rem;
        }
        
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--primary);
            margin: 12px auto;
            border-radius: 2px;
        }
        
		.systems-grid {
			display: grid;
			grid-template-columns: repeat(auto-fit, 335px); /* 自动适配列数 */
			justify-content: center; /* 网格整体居中 */
			gap: 25px;
			margin-bottom: 50px;
		}
        
        .system-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .system-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }
        
        .card-header {
            background: var(--primary);
            color: white;
            padding: 15px;
            text-align: center;
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .card-body img {
            width: 80px;
            height: 80px;
            object-fit: contain;
            margin-bottom: 15px;
            border-radius: 8px;
            background: #f8f9fa;
            padding: 8px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
        }
        
        .card-body p {
            text-align: center;
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 15px;
            flex: 1;
        }
		
		.qr-code-body {
		    padding: 20px;
		    flex: 1;
		    display: flex;
		    flex-direction: column;
		    align-items: center;
		}
		
		.qr-code-body img {
		    width: 120px;
		    height: 120px;
		    object-fit: contain;
		    background: #f8f9fa;
		    padding: 8px;
		    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
		}
		
		  .qr-code-body:hover {
		            transform: scale(1.05);
		            border-color: rgba(255, 255, 255, 0.5);
		        }
		
		.qr-code-body p {
		    text-align: center;
		    color: var(--gray);
		    font-size: 0.95rem;
		    margin-bottom: 15px;
		    flex: 1;
		}
        
        .qr-code-footer {
            padding: 0 20px 20px;
            text-align: center;
        }
        
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 10px 25px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 2px solid var(--primary);
            min-width: 150px;
			text-align: center;
        }
        
        .btn:hover {
            background: white;
            color: var(--primary);
            transform: translateY(-2px);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        .resources {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow);
            max-width: 800px;
            height: 340px;
            margin: 40px auto;
        }
        
        .resources h3 {
            text-align: center;
            color: var(--secondary);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        
        .download-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: #f8f9fa;
            border-radius: 8px;
            margin-bottom: 15px;
            text-decoration: none;
            color: var(--secondary);
            transition: all 0.3s;
            border-left: 4px solid var(--primary);
        }
        
        .download-link:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }
        
        .download-link i {
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        footer {
            background: var(--secondary);
            color: white;
            padding: 25px 0;
            text-align: center;
            position: absolute;
            bottom: 0;
            width: 100%;
        }
        
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        
        .contact-info {
            display: flex;
            gap: 25px;
            margin: 15px 0;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .contact-info div {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .copyright {
            margin-top: 15px;
            opacity: 0.8;
            font-size: 0.9rem;
        }
        
		
		  /* 模态框样式 */
		        .modal {
		            display: none;
		            position: fixed;
		            top: 0;
		            left: 0;
		            width: 100%;
		            height: 100%;
		            background: rgba(0, 0, 0, 0.9);
		            z-index: 1000;
		            justify-content: center;
		            align-items: center;
		            backdrop-filter: blur(8px);
		        }
		        
		        .modal-content {
		            position: relative;
		            max-width: 80%;
		            max-height: 80%;
		            text-align: center;
		            animation: zoomIn 0.3s ease;
		        }
		        
		        .modal-content img {
		            max-width: 100%;
		            max-height: 80vh;
		            border-radius: 10px;
		            box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
		            border: 3px solid rgba(255, 255, 255, 0.1);
		        }
		        
		        .close-modal {
		            position: absolute;
		            top: 20px;
		            right: 30px;
		            color: white;
		            font-size: 40px;
		            font-weight: bold;
		            cursor: pointer;
		            transition: all 0.3s ease;
		            z-index: 1001;
		        }
		        
		        .close-modal:hover {
		            transform: rotate(90deg);
		            color: #ff5252;
		        }
        /* 响应式设计 */
        @media (max-width: 992px) {
            .hero h2 {
                font-size: 2.2rem;
            }
            
            .navbar {
                flex-direction: column;
                gap: 15px;
            }
            
            .search-box {
                width: 100%;
                max-width: 500px;
            }
        }
        
        @media (max-width: 768px) {
            .hero {
                padding: 60px 15px;
            }
            
            .hero h2 {
                font-size: 1.8rem;
            }
            
            .status-bar {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }
            
            .section-title {
                font-size: 1.7rem;
            }
            
            .systems-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }
        
        @media (max-width: 480px) {
            .logo h1 {
                font-size: 1.5rem;
            }
            
            .hero h2 {
                font-size: 1.5rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .systems-grid {
                grid-template-columns: 1fr;
            }
        }
		   /* 动画 */
		        @keyframes zoomIn {
		            from {
		                transform: scale(0.5);
		                opacity: 0;
		            }
		            to {
		                transform: scale(1);
		                opacity: 1;
		            }
		        }
		        
		        /* 响应式设计 */
		        @media (max-width: 768px) {
		            .cards-container {
		                grid-template-columns: 1fr;
		            }
		            
		            h1 {
		                font-size: 2.2rem;
		            }
		            
		            .subtitle {
		                font-size: 1rem;
		            }
		        }
		        
		        footer {
		            margin-top: 50px;
		            text-align: center;
		            padding: 20px;
		            color: rgba(255, 255, 255, 0.7);
		            font-size: 0.9rem;
		        }