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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            overflow-x: hidden;
        }

        /* About Section */
        .about {
            background: #f5f5f5;
            padding: 100px 5%;
        }

        .about h2 {
            color: #1a2847;
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 3rem;
            letter-spacing: 1px;
        }

        .about-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .about-title {
            font-size: 2.5rem;
            color: #1a2847;
            margin-bottom: 1.5rem;
        }

        .highlight {
            color: #4fc3f7;
            font-weight: 700;
        }

        .about-text {
            font-size: 1.1rem;
            color: #555;
            line-height: 1.8;
            margin-bottom: 3rem;
        }

        .mission-vision {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }

        .mv-card {
            background: #fff;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
            display: flex;
            gap: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .mv-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, #4fc3f7, #2d4165);
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .mv-card:hover::before {
            transform: scaleY(1);
        }

        .mv-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
        }

        .icon-wrapper {
            flex-shrink: 0;
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #1a2847 0%, #0a1629 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 20px rgba(29, 40, 71, 0.3);
        }

        .icon-wrapper svg {
            width: 35px;
            height: 35px;
            fill: #fff;
        }

        .mv-content h3 {
            color: #1a2847;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .mv-content p {
            color: #666;
            line-height: 1.7;
        }

        /* Timeline Section */
        .timeline-section {
            background: linear-gradient(135deg, #1a2847 0%, #0a1629 100%);
            padding: 100px 5%;
            position: relative;
        }

        .timeline-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 4rem;
            text-align: center;
        }

        .timeline {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .timeline-line {
            position: absolute;
            top: 30px;
            left: 0;
            right: 0;
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 2px;
        }

        .timeline-progress {
            height: 100%;
            background: linear-gradient(to right, #4fc3f7, #81d4fa);
            border-radius: 2px;
            width: 0;
            animation: progressBar 2s ease forwards;
        }

        .timeline-items {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            position: relative;
        }

        .timeline-item {
            text-align: center;
            position: relative;
            animation: fadeInUp 0.6s ease backwards;
        }

        .timeline-item:nth-child(1) { animation-delay: 0.2s; }
        .timeline-item:nth-child(2) { animation-delay: 0.4s; }
        .timeline-item:nth-child(3) { animation-delay: 0.6s; }
        .timeline-item:nth-child(4) { animation-delay: 0.8s; }

        .timeline-dot {
            width: 20px;
            height: 20px;
            background: #4fc3f7;
            border: 4px solid #1a2847;
            border-radius: 50%;
            margin: 0 auto 2rem;
            position: relative;
            z-index: 2;
            box-shadow: 0 0 0 8px rgba(79, 195, 247, 0.2);
            animation: pulse 2s infinite;
        }

        .timeline-year {
            color: #4fc3f7;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .timeline-title {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .timeline-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

        @keyframes progressBar {
            to {
                width: 100%;
            }
        }

        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 0 0 8px rgba(79, 195, 247, 0.2);
            }
            50% {
                box-shadow: 0 0 0 15px rgba(79, 195, 247, 0.1);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }

            .timeline-items {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .timeline-line {
                left: 50%;
                top: 0;
                bottom: 0;
                width: 4px;
                height: auto;
                transform: translateX(-50%);
            }

            .timeline-progress {
                width: 100%;
                height: 0;
                animation: progressBarVertical 2s ease forwards;
            }

            .nav-links {
                gap: 1rem;
            }

            .about-title {
                font-size: 1.8rem;
            }

            @keyframes progressBarVertical {
                to {
                    height: 100%;
                }
            }
        }

        /* Core Values Section */
        .values-section {
            padding: 100px 5%;
            background: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-header h2 {
            font-size: 2.5rem;
            color: #1a2847;
            margin-bottom: 1rem;
        }

        .section-header p {
            font-size: 1.1rem;
            color: #666;
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .value-card {
            text-align: center;
            padding: 2.5rem 1.5rem;
            background: #fff;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(to right, #4fc3f7, #2d4165);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .value-card:hover::before {
            transform: scaleX(1);
        }

        .value-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }

        .value-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            background: linear-gradient(135deg, #4fc3f7, #2d4165);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }

        .value-card:hover .value-icon {
            transform: rotateY(360deg);
        }

        .value-icon svg {
            width: 40px;
            height: 40px;
            stroke: #fff;
            fill: none;
            stroke-width: 2;
        }

        .value-card h3 {
            font-size: 1.4rem;
            color: #1a2847;
            margin-bottom: 1rem;
        }

        .value-card p {
            color: #666;
            line-height: 1.6;
        }
        
        /* Testimonials Section */
        .testimonials-section {
            padding: 100px 5%;
            background: #fff;
        }

        .testimonials-slider {
            max-width: 900px;
            margin: 0 auto 2rem;
            position: relative;
            min-height: 300px;
        }

        .testimonial-card {
            background: linear-gradient(135deg, #f5f5f5, #fff);
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            position: absolute;
            width: 100%;
            opacity: 0;
            transform: translateX(50px);
            transition: all 0.5s ease;
            pointer-events: none;
        }

        .testimonial-card.active {
            opacity: 1;
            transform: translateX(0);
            position: relative;
            pointer-events: auto;
        }

        .quote-icon {
            font-size: 4rem;
            color: #4fc3f7;
            line-height: 1;
            margin-bottom: 1rem;
        }

        .testimonial-text {
            font-size: 1.2rem;
            color: #333;
            line-height: 1.8;
            margin-bottom: 2rem;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .author-avatar {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #4fc3f7, #2d4165);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .author-avatar svg {
            width: 30px;
            height: 30px;
            fill: #fff;
        }

        .author-name {
            font-weight: 700;
            color: #1a2847;
            font-size: 1.1rem;
        }

        .author-title {
            color: #666;
            font-size: 0.95rem;
        }

        .testimonial-dots {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .dot {
            width: 12px;
            height: 12px;
            background: #ddd;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .dot.active {
            background: #4fc3f7;
            width: 30px;
            border-radius: 6px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1a2847 0%, #2d4165 100%);
            padding: 100px 5%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(79, 195, 247, 0.1) 0%, transparent 70%);
            animation: rotateBg 20s linear infinite;
        }

        @keyframes rotateBg {
            to {
                transform: rotate(360deg);
            }
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.2rem;
            margin-bottom: 2.5rem;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-btn {
            padding: 1rem 2.5rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .cta-btn.primary {
            background: #4fc3f7;
            color: #1a2847;
            border-color: #4fc3f7;
        }

        .cta-btn.primary:hover {
            background: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(79, 195, 247, 0.4);
        }

        .cta-btn.secondary {
            background: transparent;
            color: #fff;
            border-color: #fff;
        }

        .cta-btn.secondary:hover {
            background: #fff;
            color: #1a2847;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
        }
        
        /* User Manual Section */
.manual-section {
    padding: 100px 5%;
    background: #fff;
}

.manual-container {
    max-width: 900px;
    margin: 0 auto;
}

.manual-item {
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    overflow: hidden;
}

.manual-header {
    width: 100%;
    padding: 22px 28px;
    background: linear-gradient(135deg, #f5f5f5, #ffffff);
    border: none;
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a2847;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.manual-header i {
    transition: transform 0.3s ease;
}

.manual-item.active .manual-header i {
    transform: rotate(180deg);
}

.manual-content {
    display: none;
    padding: 28px;
    color: #555;
    line-height: 1.8;
}

.manual-item.active .manual-content {
    display: block;
}

.manual-content ol {
    padding-left: 20px;
}

.manual-content li {
    margin-bottom: 15px;
}

.faq h4 {
    color: #1a2847;
    margin-bottom: 8px;
}