@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

        :root {
            --primary-blue: #0077FF;
            --dark-blue: #0056CC;
            --light-blue: #E6F3FF;
            --accent-orange: #FF6B35;
            --success-green: #00C896;
            --warning-yellow: #FFD93D;
            --text-dark: #2D3748;
            --text-gray: #718096;
            --bg-gray: #F7FAFC;
            --white: #FFFFFF;
            --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

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

        body {
            font-family: 'Sarabun', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
            min-height: 100vh;
        }

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

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
            color: var(--white);
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/><circle cx="20" cy="80" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            opacity: 0.3;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .logo {
            width: 120px;
            height: 72px;
            background: var(--light-blue);
            border-radius: 15px;
            margin: 0 auto 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            animation: logoFloat 3s ease-in-out infinite;
        }

        @keyframes logoFloat {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }

        .hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        .hero h2 {
            font-size: 1.5rem;
            font-weight: 400;
            opacity: 0.9;
            margin-bottom: 0.5rem;
        }

        .start-date {
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            padding: 1rem 2rem;
            border-radius: 50px;
            display: inline-block;
            margin-top: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        /* Main Content */
        .main-content {
            padding: 4rem 0;
        }

        .section-card {
            background: var(--white);
            border-radius: 20px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
            overflow: hidden;
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 119, 255, 0.1);
        }

        .section-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .section-header {
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            color: var(--white);
            padding: 1.5rem 2rem;
            font-size: 1.25rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .section-header i {
            font-size: 1.5rem;
        }

        .section-content {
            padding: 2rem;
        }

        /* Timeline Style */
        .timeline-item {
            display: flex;
            padding: 1.5rem 0;
            border-bottom: 1px solid #E2E8F0;
            transition: all 0.3s ease;
        }

        .timeline-item:last-child {
            border-bottom: none;
        }

        .timeline-item:hover {
            background: var(--light-blue);
            border-radius: 10px;
            margin: 0 -1rem;
            padding-left: 2rem;
            padding-right: 2rem;
        }

        .timeline-content {
            flex: 1;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

        .timeline-text {
            flex: 1;
            font-size: 1rem;
            line-height: 1.6;
        }

        .timeline-text strong {
            color: var(--primary-blue);
        }

        .timeline-date {
            background: linear-gradient(135deg, var(--accent-orange), #FF8A5B);
            color: var(--white);
            padding: 0.75rem 1.5rem;
            border-radius: 25px;
            font-weight: 600;
            white-space: nowrap;
            text-align: center;
            min-width: 200px;
            box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
        }

        .special-section {
            background: linear-gradient(135deg, #FFF5F5, #FED7D7);
            border-left: 4px solid var(--accent-orange);
            margin: 1rem 0;
            border-radius: 10px;
        }

        /* Payment Section */
        .payment-card {
            background: linear-gradient(135deg, var(--success-green), #00A085);
            color: var(--white);
            padding: 2rem;
            border-radius: 15px;
            margin: 1rem 0;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 2rem;
            align-items: center;
        }

        .payment-number {
            background: rgba(255, 255, 255, 0.2);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
        }

        /* Bank Section */
        .bank-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }

        .bank-item {
            background: linear-gradient(135deg, #F7FAFC, #EDF2F7);
            padding: 1.5rem;
            border-radius: 10px;
            border: 2px solid #E2E8F0;
            transition: all 0.3s ease;
            text-align: center;
        }

        .bank-item:hover {
            border-color: var(--primary-blue);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 119, 255, 0.15);
        }

        /* Link Buttons */
        .link-button {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            color: var(--white);
            padding: 1rem 2rem;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 119, 255, 0.3);
        }

        .link-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 119, 255, 0.4);
            color: var(--white);
        }

        .link-button i {
            font-size: 1.2rem;
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, var(--text-dark), #1A202C);
            color: var(--white);
            padding: 3rem 0 2rem;
            text-align: center;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            text-decoration: none;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .social-link:hover {
            background: var(--primary-blue);
            transform: translateY(-5px);
            color: var(--white);
        }

        .contact-info {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .hero h2 {
                font-size: 1.2rem;
            }
            
            .timeline-content {
                flex-direction: column;
                gap: 1rem;
            }
            
            .timeline-date {
                min-width: auto;
                width: 100%;
            }
            
            .payment-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .section-content {
                padding: 1rem;
            }
        }

        /* Animation */
        .section-card {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.6s ease forwards;
        }

        .section-card:nth-child(1) { animation-delay: 0.1s; }
        .section-card:nth-child(2) { animation-delay: 0.2s; }
        .section-card:nth-child(3) { animation-delay: 0.3s; }
        .section-card:nth-child(4) { animation-delay: 0.4s; }
        .section-card:nth-child(5) { animation-delay: 0.5s; }
        .section-card:nth-child(6) { animation-delay: 0.6s; }
        .section-card:nth-child(7) { animation-delay: 0.7s; }

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

        .note-box {
            background: linear-gradient(135deg, #FFF8E1, #FFECB3);
            border: 1px solid #FFB74D;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1rem 0;
            border-left: 4px solid var(--warning-yellow);
        }

        .highlight {
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 138, 91, 0.1));
            padding: 0.25rem 0.5rem;
            border-radius: 5px;
            font-weight: 600;
            color: var(--accent-orange);
        }