* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Arial', sans-serif;
            background-color: #ffffff;
            color: #333333;
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 60px;
        }

        .header h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 20px;
            font-weight: 300;
        }

        .header p {
            font-size: 1.2rem;
            color: #7f8c8d;
            max-width: 600px;
            margin: 0 auto;
        }

        .sections-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 40px;
            align-items: stretch;
        }

        .section-card {
            background: #ffffff;
            border: 1px solid #e8e8e8;
            border-radius: 12px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .section-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }

        .section-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #3498db, #2ecc71);
        }

        .section-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 25px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .section-card:nth-child(1) .section-icon {
            background-image: url('//ueeshop.ly200-cdn.com/u_file/UPBG/UPBG427/2510/11/photo/010.jpg');
        }

        .section-card:nth-child(2) .section-icon {
            background-image: url('//ueeshop.ly200-cdn.com/u_file/UPBG/UPBG427/2510/11/photo/020.jpg');
        }

        .section-card:nth-child(3) .section-icon {
            background-image: url('//ueeshop.ly200-cdn.com/u_file/UPBG/UPBG427/2510/11/photo/030.jpg');
        }

        .section-card:nth-child(4) .section-icon {
            background-image: url('//ueeshop.ly200-cdn.com/u_file/UPBG/UPBG427/2510/11/photo/040.jpg');
        }

        .section-title {
            font-size: 1.5rem;
            color: #2c3e50;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .section-description {
            font-size: 1rem;
            color: #5a6c7d;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .section-highlight {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #3498db;
            font-size: 0.95rem;
            color: #495057;
            font-style: italic;
            flex-grow: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }


        @media (max-width: 1200px) {
            .sections-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 25px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 20px 15px;
            }

            .header h1 {
                font-size: 2rem;
            }

            .sections-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .section-card {
                padding: 30px 20px;
            }

        }

        .fade-in {
            animation: fadeInUp 0.8s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }