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

        body {
            font-family: 'Open Sans', sans-serif;
            font-weight: 400;
            color: #333;
            line-height: 1.7;
            background-color: #fff;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Page Header */
        .page-header {
            padding: 80px 0 60px;
            text-align: center;
            border-bottom: 1px solid #e8e8e8;
        }

        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: #1F6496;
            margin-bottom: 16px;
        }

        .page-header p {
            font-size: 16px;
            color: #666;
            max-width: 700px;
            margin: 0 auto;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: #1F6496;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background-color: #1F6496;
            margin: 16px auto 0;
        }

        /* Company Intro */
        .intro-section {
            background-color: #fafafa;
        }

        .intro-content {
            max-width: 850px;
            margin: 0 auto;
            text-align: center;
        }

        .intro-content p {
            font-size: 15px;
            color: #555;
            margin-bottom: 18px;
        }

        /* Core Advantages */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .advantage-item {
            padding: 28px 24px;
            border: 1px solid #e8e8e8;
            border-radius: 6px;
            transition: border-color 0.3s ease;
        }

        .advantage-item:hover {
            border-color: #1F6496;
        }

        .advantage-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: #1F6496;
            margin-bottom: 12px;
        }

        .advantage-item p {
            font-size: 14px;
            color: #666;
            line-height: 1.7;
        }

        /* Timeline */
        .timeline-section {
            background-color: #fafafa;
        }

        .timeline {
            position: relative;
            max-width: 850px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 120px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: #e0e0e0;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 170px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-year {
            position: absolute;
            left: 0;
            top: 0;
            width: 120px;
            text-align: right;
            font-weight: 700;
            color: #1F6496;
            font-size: 15px;
        }

        .timeline-dot {
            position: absolute;
            left: 113px;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: #fff;
            border: 3px solid #1F6496;
            z-index: 1;
        }

        .timeline-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 14px;
            color: #666;
            line-height: 1.7;
        }

        /* Footer CTA */
        .cta-section {
            padding: 60px 0;
            text-align: center;
        }

        .cta-btn {
            display: inline-block;
            padding: 12px 36px;
            background-color: #1F6496;
            color: #fff;
            text-decoration: none;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }

        .cta-btn:hover {
            background-color: #1a537d;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                padding-left: 60px;
            }

            .timeline-year {
                position: relative;
                width: auto;
                text-align: left;
                margin-bottom: 6px;
                left: 0;
            }

            .timeline-dot {
                left: 13px;
            }
        }

        @media (max-width: 480px) {
            .advantages-grid {
                grid-template-columns: 1fr;
            }

            .page-header h1 {
                font-size: 28px;
            }
        }