:root {
            --primary-blue: #1a56db;
            --secondary-blue: #3b82f6;
            --light-blue: #dbeafe;
            --dark-blue: #1e40af;
            --green: #10b981;
            --light-green: #ecfdf5;
            --gray-100: #f9fafb;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-700: #374151;
            --gray-900: #111827;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', 'Arial', sans-serif;
            line-height: 1.6;
            color: var(--gray-900);
            background-color: #f8fafc;
            padding: 0;
            margin: 0;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header Styles */
        .header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
            color: white;
            padding: 60px 0 40px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
        }
        
        .header h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            position: relative;
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        
        .header p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
            font-weight: 300;
        }
        
        .highlight-badge {
            display: inline-block;
            background: var(--green);
            color: white;
            padding: 5px 15px;
            border-radius: 30px;
            font-weight: 600;
            margin-top: 15px;
            font-size: 1.1rem;
            box-shadow: 0 4px 6px rgba(16, 185, 129, 0.3);
        }
        
        /* Content Section */
        .content-section {
            padding: 80px 0;
        }
        
        .section-title {
            display: flex;
            align-items: center;
            color: var(--primary-blue);
            font-size: 2.2rem;
            margin-bottom: 30px;
            font-weight: 700;
            position: relative;
            padding-bottom: 10px;
        }
        
        .section-title i {
            margin-right: 15px;
            font-size: 2.5rem;
            min-width: 40px;
            text-align: center;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary-blue);
            border-radius: 2px;
        }
        
        .section-description {
            margin-bottom: 40px;
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--gray-700);
            max-width: 850px;
        }
        
        .premise-box {
            background: var(--light-blue);
            border-left: 4px solid var(--primary-blue);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 30px 0;
            box-shadow: var(--shadow-sm);
        }
        
        .premise-box strong {
            color: var(--dark-blue);
            display: block;
            margin-bottom: 8px;
            font-size: 1.2rem;
        }
        
        /* Table Styles */
        .table-container {
            overflow-x: auto;
            margin: 40px 0;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-lg);
            background: white;
            border: 1px solid var(--gray-200);
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }
        
        th {
            background: linear-gradient(to bottom, var(--primary-blue), var(--dark-blue));
            color: white;
            font-weight: 600;
            text-align: center;
            padding: 18px 15px;
            font-size: 1.1rem;
        }
        
        td {
            padding: 15px;
            text-align: center;
            border-bottom: 1px solid var(--gray-200);
            font-size: 1.05rem;
        }
        
        tr:nth-child(even) {
            background-color: var(--gray-100);
        }
        
        tr:hover {
            background-color: #dbeafe;
            transition: var(--transition);
        }
        
        .special-note {
            background-color: #fef3c7;
            font-weight: 600;
            color: #92400e;
        }
        
        .ultra-high-layer {
            background-color: #fee2e2;
            border-left: 4px solid #ef4444;
        }
        
        .time-highlight {
            background: linear-gradient(135deg, var(--light-green) 0%, #f0fdf4 100%);
            font-weight: 600;
            color: var(--green);
            border-radius: 4px;
            padding: 3px 8px;
            display: inline-block;
            min-width: 70px;
        }
        
        /* Notes Section */
        .notes-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin: 40px 0;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-200);
        }
        
        .notes-title {
            display: flex;
            align-items: center;
            color: var(--primary-blue);
            margin-bottom: 20px;
            font-size: 1.6rem;
            font-weight: 600;
        }
        
        .notes-title i {
            margin-right: 12px;
            font-size: 1.8rem;
        }
        
        .notes-content {
            line-height: 1.8;
            color: var(--gray-700);
        }
        
        .notes-content p {
            margin-bottom: 15px;
        }
        
        .notes-content strong {
            color: var(--dark-blue);
        }
        
        .summary-box {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: white;
            border-radius: var(--border-radius);
            padding: 30px;
            margin: 50px 0;
            box-shadow: var(--shadow-lg);
        }
        
        .summary-title {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            font-size: 1.8rem;
            font-weight: 600;
        }
        
        .summary-title i {
            margin-right: 15px;
            font-size: 2rem;
        }
        
        .summary-content {
            font-size: 1.15rem;
            line-height: 1.8;
            opacity: 0.95;
        }
        
        .summary-content strong {
            color: white;
            text-decoration: underline;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-blue) 0%, #0c4a6e 100%);
            color: white;
            text-align: center;
            padding: 70px 0;
            margin-top: 30px;
        }
        
        .cta-title {
            font-size: 2.5rem;
            margin-bottom: 25px;
            font-weight: 700;
        }
        
        .cta-description {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
            line-height: 1.7;
        }
        
        .cta-button {
            display: inline-block;
            background: var(--green);
            color: white;
            font-size: 1.3rem;
            font-weight: 600;
            padding: 16px 50px;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
            border: 2px solid var(--green);
            margin-top: 10px;
        }
        
        .cta-button:hover {
            background: #0da271;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
            color: white;
        }
        
        .cta-button i {
            margin-left: 10px;
            font-size: 1.2rem;
        }
        
        /* Footer */
        .footer {
            background: var(--gray-900);
            color: rgba(255, 255, 255, 0.85);
            text-align: center;
            padding: 30px 0;
            margin-top: 20px;
            font-size: 0.95rem;
        }
        
        .footer a {
            color: var(--green);
            text-decoration: none;
            font-weight: 500;
        }
        
        .footer a:hover {
            text-decoration: underline;
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.2rem;
            }
            
            .header p {
                font-size: 1.15rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .section-title i {
                font-size: 2rem;
            }
            
            .content-section {
                padding: 50px 0;
            }
            
            th, td {
                padding: 12px 10px;
                font-size: 0.95rem;
            }
            
            .notes-section {
                padding: 25px 20px;
            }
            
            .summary-box {
                padding: 25px;
            }
            
            .cta-title {
                font-size: 2rem;
            }
            
            .cta-description {
                font-size: 1.15rem;
            }
            
            .cta-button {
                padding: 14px 40px;
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 480px) {
            .header {
                padding: 40px 0 30px;
            }
            
            .header h1 {
                font-size: 1.9rem;
            }
            
            .header p {
                font-size: 1rem;
                padding: 0 15px;
            }
            
            .section-title {
                font-size: 1.6rem;
                flex-wrap: wrap;
            }
            
            .section-title i {
                font-size: 1.8rem;
                margin-right: 10px;
            }
            
            th, td {
                padding: 10px 8px;
                font-size: 0.85rem;
            }
            
            .time-highlight {
                min-width: 60px;
                padding: 2px 6px;
                font-size: 0.9rem;
            }
            
            .cta-title {
                font-size: 1.7rem;
            }
            
            .cta-button {
                display: block;
                width: 90%;
                margin: 25px auto 0;
                padding: 15px;
            }
            
            .footer {
                padding: 25px 15px;
                font-size: 0.9rem;
            }
        }
        
        /* Service Highlights Section */
        .services-highlight {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            margin: 50px 0;
            box-shadow: var(--shadow-md);
            text-align: center;
        }
        
        .services-title {
            color: var(--primary-blue);
            font-size: 2rem;
            margin-bottom: 30px;
            font-weight: 700;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin-top: 20px;
        }
        
        .service-card {
            background: var(--gray-100);
            border-radius: var(--border-radius);
            padding: 25px;
            transition: var(--transition);
            border: 1px solid var(--gray-200);
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-blue);
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 15px;
        }
        
        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: var(--dark-blue);
        }
        
        .service-card p {
            color: var(--gray-700);
            line-height: 1.6;
        }