:root {
            --bg: #0a0f1a;
            --bg-light: #111827;
            --card: #1a2332;
            --border: #2a3548;
            --fg: #e8edf5;
            --muted: #8b95a5;
            --accent: #f97316;
            --accent-dark: #ea580c;
        }
        
        * {
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--fg);
            overflow-x: hidden;
        }
        .legal-content h2 { color: #f97316; border-bottom: 1px solid #2a3548; padding-bottom: 0.5rem; margin-top: 2rem; margin-bottom: 1rem; }
        .legal-content ul { list-style: disc; margin-left: 20px; margin-bottom: 1rem; color: #8b95a5; }		
        .legal-content p, .legal-content li { margin-bottom: 1rem; line-height: 1.8; color: #8b95a5; }
		.sitemap-card { transition: all 0.3s ease; }
        .sitemap-card:hover { border-color: #f97316; }
        .sitemap-card:hover h3 { color: #f97316; }
		
		
        /* 网格背景 */
        .grid-bg {
            background-image: 
                linear-gradient(rgba(42, 53, 72, 0.3) 1px, transparent 1px),
                linear-gradient(90deg, rgba(42, 53, 72, 0.3) 1px, transparent 1px);
            background-size: 60px 60px;
        }
        
        /* 渐变光晕 */
        .glow-orange {
            background: radial-gradient(ellipse 600px 400px at 50% 0%, rgba(249, 115, 22, 0.15), transparent);
        }
        
        .glow-blue {
            background: radial-gradient(ellipse 400px 300px at 80% 20%, rgba(59, 130, 246, 0.1), transparent);
        }
        
        /* 动画 */
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }
        
        @keyframes pulse-ring {
            0% { transform: scale(0.8); opacity: 0.8; }
            100% { transform: scale(1.4); opacity: 0; }
        }
        
        @keyframes slide-up {
            from { opacity: 0; transform: translateY(40px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes slide-in-left {
            from { opacity: 0; transform: translateX(-40px); }
            to { opacity: 1; transform: translateX(0); }
        }
        
        @keyframes counter-up {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes rotate-slow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        @keyframes fan-spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }
        
        .animate-pulse-ring {
            animation: pulse-ring 2s ease-out infinite;
        }
        
        .animate-slide-up {
            animation: slide-up 0.8s ease-out forwards;
        }
        
        .animate-slide-in-left {
            animation: slide-in-left 0.8s ease-out forwards;
        }
        
        .animate-rotate-slow {
            animation: rotate-slow 20s linear infinite;
        }
        
        .fan-spinning {
            animation: fan-spin 2s linear infinite;
        }
        
        /* 滚动显示 */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 卡片悬停效果 */
        .product-card {
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(249, 115, 22, 0.15);
        }
        
        .product-card:hover .product-icon {
            transform: scale(1.1);
        }
        
        .product-card:hover .product-fan {
            animation: fan-spin 0.5s linear infinite;
        }
        
        /* 按钮效果 */
        .btn-primary {
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s ease;
        }
        
        .btn-primary:hover::before {
            left: 100%;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(249, 115, 22, 0.4);
        }
        
        /* 导航 */
        .nav-link {
            position: relative;
            transition: color 0.3s ease;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        
        /* 数字计数器 */
        .counter {
            font-family: 'Oswald', sans-serif;
        }
        
        /* 案例卡片 */
        .case-card {
            transition: all 0.4s ease;
        }
        
        .case-card:hover {
            transform: scale(1.02);
        }
        
        .case-card:hover .case-overlay {
            opacity: 1;
        }
        
        /* 表单样式 */
        .form-input {
            transition: all 0.3s ease;
        }
        
        .form-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
        }
        
        /* 粒子效果 */
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
            opacity: 0.6;
        }
        
        /* 响应式导航 */
        .mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }
        
        .mobile-menu.open {
            transform: translateX(0);
        }
        
        /* 标签页 */
        .tab-btn {
            transition: all 0.3s ease;
        }
        
        .tab-btn.active {
            background: var(--accent);
            color: white;
        }
        
        /* Reduced Motion */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }
        
        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent);
        }
		
		/* 微信二维码悬停显示 */
		.wechat-qrcode {
			display: none;
		}
		a:hover .wechat-qrcode {
			display: block;
		}
		/* 添加指向下方的小三角 */
		.wechat-qrcode::after {
			content: '';
			position: absolute;
			top: 100%;
			left: 50%;
			transform: translateX(-50%);
			border-width: 8px;
			border-style: solid;
			border-color: white transparent transparent transparent;
		}
		/*留言功能*/
		/* 管理面板样式 */
		.admin-panel {
			position: fixed;
			top: 50%;
			left: 50%;
			transform: translate(-50%, -50%);
			width: 90%;
			max-width: 1200px;
			max-height: 80vh;
			background: var(--bg-light);
			border: 1px solid var(--border);
			border-radius: 1rem;
			box-shadow: 0 20px 40px rgba(0,0,0,0.5);
			z-index: 1000;
			overflow: hidden;
			display: flex;
			flex-direction: column;
		}
		.admin-panel-header {
			padding: 1rem 1.5rem;
			background: var(--card);
			border-bottom: 1px solid var(--border);
			display: flex;
			justify-content: space-between;
			align-items: center;
		}
		.admin-panel-header h3 {
			font-family: 'Oswald', sans-serif;
			font-size: 1.25rem;
			font-weight: 600;
			color: var(--fg);
		}
		.admin-panel-close {
			cursor: pointer;
			padding: 0.5rem;
			color: var(--muted);
			transition: color 0.2s;
		}
		.admin-panel-close:hover {
			color: var(--accent);
		}
		.admin-panel-content {
			padding: 1.5rem;
			overflow-y: auto;
		}
		.admin-table {
			width: 100%;
			border-collapse: collapse;
		}
		.admin-table th {
			text-align: left;
			padding: 0.75rem;
			background: var(--card);
			color: var(--fg);
			font-weight: 500;
			border-bottom: 2px solid var(--accent);
		}
		.admin-table td {
			padding: 0.75rem;
			border-bottom: 1px solid var(--border);
			color: var(--muted);
		}
		.admin-table tr:hover {
			background: var(--card);
		}
		.admin-table button {
			padding: 0.25rem 0.5rem;
			background: var(--accent);
			color: white;
			border-radius: 0.25rem;
			font-size: 0.75rem;
			border: none;
			cursor: pointer;
			transition: background 0.2s;
		}
		.admin-table button:hover {
			background: var(--accent-dark);
		}
		.admin-actions {
			margin-top: 1rem;
			display: flex;
			gap: 1rem;
			justify-content: flex-end;
		}
		.admin-actions button {
			padding: 0.5rem 1rem;
			background: var(--card);
			border: 1px solid var(--border);
			border-radius: 0.5rem;
			color: var(--fg);
			cursor: pointer;
			transition: all 0.2s;
		}
		.admin-actions button:hover {
			border-color: var(--accent);
			color: var(--accent);
		}
		.admin-login-link {
			cursor: pointer;
			color: var(--muted);
			transition: color 0.2s;
		}
		.admin-login-link:hover {
			color: var(--accent);
		}