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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        color: #333;
        line-height: 1.6;
        background-color: #f9f9f9;
    }

    /* Navigation */
    .vjh3-navbar {
        background: white;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .vjh3-navbar-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
    }

    .vjh3-logo {
        display: flex;
        align-items: center;
        height: 50px;
    }

    .vjh3-logo img {
        height: 50px;
        width: auto;
    }

    .vjh3-nav-menu {
        display: flex;
        list-style: none;
        gap: 40px;
        align-items: center;
    }

    .vjh3-nav-menu a {
        text-decoration: none;
        color: #333;
        font-weight: 500;
        transition: color 0.3s;
        font-size: 14px;
    }

    .vjh3-nav-menu a:hover,
    .vjh3-nav-menu a.vjh3-active {
        color: #0088cc;
    }

    .vjh3-download-btn {
        background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
        color: white;
        padding: 10px 24px;
        border-radius: 6px;
        text-decoration: none;
        font-weight: 600;
        transition: transform 0.3s, box-shadow 0.3s;
        border: none;
        cursor: pointer;
        font-size: 14px;
    }

    .vjh3-download-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 136, 204, 0.3);
    }

    /* Page Header */
    .vjh3-page-header {
        background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
        color: white;
        padding: 60px 20px;
        text-align: center;
    }

    .vjh3-page-header-content {
        max-width: 900px;
        margin: 0 auto;
    }

    .vjh3-breadcrumb {
        font-size: 14px;
        margin-bottom: 20px;
        opacity: 0.9;
    }

    .vjh3-breadcrumb a {
        color: white;
        text-decoration: none;
        transition: opacity 0.3s;
    }

    .vjh3-breadcrumb a:hover {
        opacity: 0.8;
    }

    .vjh3-page-title {
        font-size: 48px;
        font-weight: 700;
        margin-bottom: 20px;
        line-height: 1.2;
    }

    .vjh3-page-subtitle {
        font-size: 18px;
        opacity: 0.95;
        line-height: 1.5;
    }

    /* Main Container */
    .vjh3-main-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Features Grid */
    .vjh3-features-section {
        padding: 80px 0;
    }

    .vjh3-section-title {
        font-size: 38px;
        font-weight: 700;
        text-align: center;
        margin-bottom: 50px;
        color: #1a1a1a;
    }

    .vjh3-features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
        margin-bottom: 60px;
    }

    .vjh3-feature-card {
        background: white;
        border-radius: 12px;
        padding: 40px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        transition: transform 0.3s, box-shadow 0.3s;
        border-top: 4px solid #0088cc;
    }

    .vjh3-feature-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    }

    .vjh3-feature-icon {
        font-size: 48px;
        margin-bottom: 20px;
        display: block;
    }

    .vjh3-feature-title {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 15px;
        color: #1a1a1a;
    }

    .vjh3-feature-desc {
        font-size: 15px;
        color: #666;
        line-height: 1.7;
    }

    /* Features Showcase */
    .vjh3-showcase-section {
        padding: 80px 0;
        background: white;
    }

    .vjh3-showcase-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .vjh3-showcase-image img {
        width: 100%;
        border-radius: 12px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    }

    .vjh3-showcase-content h3 {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 25px;
        color: #1a1a1a;
    }

    .vjh3-showcase-list {
        list-style: none;
    }

    .vjh3-showcase-item {
        margin-bottom: 20px;
        display: flex;
        gap: 15px;
        align-items: flex-start;
    }

    .vjh3-showcase-check {
        color: #0088cc;
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .vjh3-showcase-text {
        color: #555;
        font-size: 15px;
        line-height: 1.6;
    }

    /* Products Section */
    .vjh3-products-section {
        padding: 80px 0;
    }

    .vjh3-products-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
        gap: 30px;
    }

    .vjh3-product-card {
        background: white;
        border-radius: 12px;
        padding: 40px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        transition: all 0.3s;
    }

    .vjh3-product-card:hover {
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
        transform: translateY(-5px);
    }

    .vjh3-product-name {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 15px;
        color: #0088cc;
    }

    .vjh3-product-desc {
        font-size: 15px;
        color: #666;
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .vjh3-product-highlight {
        background: #f0f5fb;
        border-left: 4px solid #0088cc;
        padding: 12px 16px;
        border-radius: 4px;
        font-size: 14px;
        color: #0088cc;
        font-weight: 600;
    }

    /* Scenarios Section */
    .vjh3-scenarios-section {
        padding: 80px 0;
        background: white;
    }

    .vjh3-scenarios-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        gap: 25px;
    }

    .vjh3-scenario-card {
        background: linear-gradient(135deg, #f5f9ff 0%, #f0f5fb 100%);
        border-radius: 12px;
        padding: 35px;
        border: 1px solid #dde8f5;
        transition: all 0.3s;
    }

    .vjh3-scenario-card:hover {
        border-color: #0088cc;
        box-shadow: 0 8px 20px rgba(0, 136, 204, 0.15);
    }

    .vjh3-scenario-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }

    .vjh3-scenario-title {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 12px;
        color: #1a1a1a;
    }

    .vjh3-scenario-desc {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
    }

    /* Comparison Table */
    .vjh3-comparison-section {
        padding: 80px 0;
    }

    .vjh3-comparison-table {
        width: 100%;
        border-collapse: collapse;
        background: white;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .vjh3-comparison-table thead {
        background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
        color: white;
    }

    .vjh3-comparison-table th {
        padding: 20px;
        text-align: left;
        font-weight: 600;
        font-size: 15px;
    }

    .vjh3-comparison-table td {
        padding: 18px 20px;
        border-bottom: 1px solid #f0f0f0;
        font-size: 14px;
    }

    .vjh3-comparison-table tbody tr:hover {
        background: #f9f9f9;
    }

    .vjh3-check-mark {
        color: #22c55e;
        font-weight: 700;
        font-size: 18px;
    }

    .vjh3-cross-mark {
        color: #ef4444;
        font-weight: 700;
        font-size: 18px;
    }

    /* Tech Advantages */
    .vjh3-tech-section {
        padding: 80px 0;
        background: white;
    }

    .vjh3-tech-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        gap: 30px;
    }

    .vjh3-tech-card {
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        border: 2px solid #e5e5e5;
        border-radius: 12px;
        padding: 35px;
        transition: all 0.3s;
    }

    .vjh3-tech-card:hover {
        border-color: #0088cc;
        box-shadow: 0 12px 28px rgba(0, 136, 204, 0.15);
        transform: translateY(-5px);
    }

    .vjh3-tech-title {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 15px;
        color: #0088cc;
    }

    .vjh3-tech-desc {
        font-size: 14px;
        color: #666;
        line-height: 1.7;
    }

    /* Stats */
    .vjh3-stats-section {
        padding: 60px 0;
        background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
        color: white;
    }

    .vjh3-stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        text-align: center;
    }

    .vjh3-stat-item {
        padding: 20px;
    }

    .vjh3-stat-number {
        font-size: 42px;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .vjh3-stat-unit {
        font-size: 18px;
        opacity: 0.95;
        margin-bottom: 8px;
    }

    .vjh3-stat-label {
        font-size: 14px;
        opacity: 0.85;
        line-height: 1.5;
    }

    /* CTA Section */
    .vjh3-cta-section {
        padding: 60px 20px;
        background: linear-gradient(135deg, #0088cc 0%, #005fa3 100%);
        text-align: center;
        color: white;
        border-radius: 12px;
        margin: 60px 0;
    }

    .vjh3-cta-title {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 20px;
    }

    .vjh3-cta-text {
        font-size: 16px;
        margin-bottom: 30px;
        opacity: 0.95;
    }

    .vjh3-cta-buttons {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .vjh3-primary-btn,
    .vjh3-secondary-btn {
        padding: 14px 32px;
        border-radius: 6px;
        text-decoration: none;
        font-weight: 600;
        font-size: 15px;
        transition: all 0.3s;
        border: none;
        cursor: pointer;
        display: inline-block;
    }

    .vjh3-primary-btn {
        background: white;
        color: #0088cc;
    }

    .vjh3-primary-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
    }

    .vjh3-secondary-btn {
        background: transparent;
        color: white;
        border: 2px solid white;
    }

    .vjh3-secondary-btn:hover {
        background: white;
        color: #0088cc;
    }

    /* Footer */
    .vjh3-footer {
        background: #1a1a1a;
        color: #ccc;
        padding: 60px 20px 40px;
    }

    .vjh3-footer-container {
        max-width: 1200px;
        margin: 0 auto;
    }

    .vjh3-footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
    }

    .vjh3-footer-section h4 {
        color: white;
        font-size: 16px;
        margin-bottom: 20px;
        font-weight: 600;
    }

    .vjh3-footer-section ul {
        list-style: none;
    }

    .vjh3-footer-section li {
        margin-bottom: 12px;
    }

    .vjh3-footer-section a {
        color: #ccc;
        text-decoration: none;
        font-size: 14px;
        transition: color 0.3s;
    }

    .vjh3-footer-section a:hover {
        color: #0088cc;
    }

    .vjh3-footer-brand {
        font-size: 18px;
        font-weight: 700;
        color: white;
        margin-bottom: 10px;
    }

    .vjh3-footer-desc {
        font-size: 13px;
        color: #999;
        line-height: 1.6;
    }

    .vjh3-footer-divider {
        height: 1px;
        background: #333;
        margin: 40px 0;
    }

    .vjh3-footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
        font-size: 13px;
        color: #999;
    }

    .vjh3-footer-links {
        display: flex;
        gap: 30px;
        flex-wrap: wrap;
    }

    .vjh3-footer-links a {
        color: #999;
        text-decoration: none;
        transition: color 0.3s;
    }

    .vjh3-footer-links a:hover {
        color: #0088cc;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .vjh3-navbar-container {
            padding: 0 15px;
        }

        .vjh3-nav-menu {
            gap: 20px;
            font-size: 13px;
        }

        .vjh3-page-title {
            font-size: 32px;
        }

        .vjh3-page-subtitle {
            font-size: 16px;
        }

        .vjh3-section-title {
            font-size: 28px;
            margin-bottom: 35px;
        }

        .vjh3-features-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .vjh3-showcase-container {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .vjh3-products-grid {
            grid-template-columns: 1fr;
        }

        .vjh3-scenarios-grid {
            grid-template-columns: 1fr;
        }

        .vjh3-stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }

        .vjh3-stat-number {
            font-size: 32px;
        }

        .vjh3-comparison-table {
            font-size: 13px;
        }

        .vjh3-comparison-table th,
        .vjh3-comparison-table td {
            padding: 12px 10px;
        }

        .vjh3-tech-grid {
            grid-template-columns: 1fr;
        }

        .vjh3-cta-title {
            font-size: 24px;
        }

        .vjh3-cta-buttons {
            flex-direction: column;
        }

        .vjh3-primary-btn,
        .vjh3-secondary-btn {
            width: 100%;
        }

        .vjh3-footer-content {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .vjh3-footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }

        .vjh3-footer-links {
            flex-direction: column;
            gap: 15px;
        }
    }

    @media (max-width: 480px) {
        .vjh3-page-title {
            font-size: 24px;
        }

        .vjh3-section-title {
            font-size: 22px;
        }

        .vjh3-feature-card,
        .vjh3-product-card,
        .vjh3-tech-card {
            padding: 25px;
        }

        .vjh3-stats-grid {
            grid-template-columns: 1fr;
        }

        .vjh3-stat-number {
            font-size: 28px;
        }

        .vjh3-nav-menu {
            gap: 15px;
        }
    }