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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        .jav6db-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .jav6db-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .jav6db-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .jav6db-logo-wrapper {
            display: flex;
            align-items: center;
        }

        .jav6db-logo-wrapper img {
            height: 45px;
            width: auto;
        }

        .jav6db-nav-menu {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .jav6db-nav-link {
            color: #ffffff;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 15px;
            border-radius: 5px;
        }

        .jav6db-nav-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }

        .jav6db-hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
        }

        .jav6db-hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .jav6db-hero-subtitle {
            font-size: 22px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .jav6db-hero-description {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .jav6db-cta-button {
            display: inline-block;
            background-color: #fff;
            color: #667eea;
            padding: 15px 40px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .jav6db-cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }

        .jav6db-features-section {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .jav6db-section-title {
            text-align: center;
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 50px;
            color: #2c3e50;
        }

        .jav6db-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .jav6db-feature-card {
            background: #f8f9fa;
            padding: 35px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }

        .jav6db-feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .jav6db-feature-icon {
            font-size: 48px;
            margin-bottom: 20px;
        }

        .jav6db-feature-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #667eea;
        }

        .jav6db-feature-text {
            font-size: 16px;
            color: #555;
            line-height: 1.8;
        }

        .jav6db-usage-section {
            padding: 80px 0;
            background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
        }

        .jav6db-usage-steps {
            display: flex;
            flex-direction: column;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        .jav6db-step-item {
            display: flex;
            align-items: center;
            gap: 30px;
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }

        .jav6db-step-number {
            font-size: 48px;
            font-weight: 700;
            color: #667eea;
            min-width: 80px;
            text-align: center;
        }

        .jav6db-step-content {
            flex: 1;
        }

        .jav6db-step-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #2c3e50;
        }

        .jav6db-step-description {
            font-size: 16px;
            color: #555;
            line-height: 1.8;
        }

        .jav6db-scenarios-section {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .jav6db-scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .jav6db-scenario-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 30px;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .jav6db-scenario-card:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
        }

        .jav6db-scenario-icon {
            font-size: 56px;
            margin-bottom: 20px;
        }

        .jav6db-scenario-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .jav6db-scenario-text {
            font-size: 15px;
            opacity: 0.95;
            line-height: 1.7;
        }

        .jav6db-advantages-section {
            padding: 80px 0;
            background: linear-gradient(to bottom, #f8f9fa, #ffffff);
        }

        .jav6db-advantages-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .jav6db-advantage-item {
            background: white;
            padding: 30px;
            margin-bottom: 25px;
            border-left: 5px solid #667eea;
            border-radius: 10px;
            box-shadow: 0 3px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }

        .jav6db-advantage-item:hover {
            transform: translateX(10px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.12);
        }

        .jav6db-advantage-title {
            font-size: 20px;
            font-weight: 600;
            color: #667eea;
            margin-bottom: 10px;
        }

        .jav6db-advantage-description {
            font-size: 16px;
            color: #555;
            line-height: 1.8;
        }

        .jav6db-cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
        }

        .jav6db-cta-title {
            font-size: 40px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .jav6db-cta-text {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
        }

        .jav6db-cta-button-secondary {
            display: inline-block;
            background-color: #fff;
            color: #667eea;
            padding: 18px 50px;
            font-size: 20px;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
        }

        .jav6db-cta-button-secondary:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
        }

        .jav6db-footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 50px 0 30px;
        }

        .jav6db-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }

        .jav6db-footer-section {
            display: flex;
            flex-direction: column;
        }

        .jav6db-footer-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            color: #fff;
        }

        .jav6db-footer-link {
            color: #bdc3c7;
            text-decoration: none;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }

        .jav6db-footer-link:hover {
            color: #667eea;
        }

        .jav6db-footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #34495e;
            color: #95a5a6;
        }

        @media (max-width: 768px) {
            .jav6db-nav-menu {
                flex-wrap: wrap;
                gap: 15px;
            }

            .jav6db-hero-title {
                font-size: 32px;
            }

            .jav6db-hero-subtitle {
                font-size: 18px;
            }

            .jav6db-section-title {
                font-size: 28px;
            }

            .jav6db-step-item {
                flex-direction: column;
                text-align: center;
            }

            .jav6db-features-grid,
            .jav6db-scenarios-grid {
                grid-template-columns: 1fr;
            }
        }