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

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

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

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

        .fbcw-logo-section {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .fbcw-brand-name {
            color: white;
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

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

        .fbcw-nav-link {
            color: white;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 12px;
            border-radius: 4px;
        }

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

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

        .fbcw-hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 80px 20px;
            text-align: center;
            color: white;
            margin-bottom: 60px;
        }

        .fbcw-hero-title {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .fbcw-hero-subtitle {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .fbcw-download-btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            padding: 18px 50px;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(245, 87, 108, 0.4);
            margin: 10px;
        }

        .fbcw-download-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(245, 87, 108, 0.6);
        }

        .fbcw-download-btn-secondary {
            display: inline-block;
            background: white;
            color: #667eea;
            padding: 18px 50px;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            margin: 10px;
        }

        .fbcw-download-btn-secondary:hover {
            transform: translateY(-3px);
            background: #f9f9f9;
        }

        .fbcw-content-section {
            background: white;
            padding: 60px 40px;
            border-radius: 10px;
            margin-bottom: 50px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }

        .fbcw-section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 30px;
            color: #2c3e50;
            border-bottom: 3px solid #667eea;
            padding-bottom: 15px;
        }

        .fbcw-section-subtitle {
            font-size: 22px;
            font-weight: 600;
            margin-top: 30px;
            margin-bottom: 20px;
            color: #34495e;
        }

        .fbcw-text-paragraph {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
            color: #555;
        }

        .fbcw-download-info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .fbcw-info-card {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(102, 126, 234, 0.1);
        }

        .fbcw-info-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
        }

        .fbcw-card-title {
            font-size: 18px;
            font-weight: 700;
            color: #667eea;
            margin-bottom: 10px;
        }

        .fbcw-card-content {
            font-size: 16px;
            color: #555;
            line-height: 1.6;
        }

        .fbcw-version-section {
            background: #f0f4ff;
            padding: 40px;
            border-radius: 10px;
            margin: 40px 0;
            border-left: 5px solid #667eea;
        }

        .fbcw-version-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }

        .fbcw-version-table th,
        .fbcw-version-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }

        .fbcw-version-table th {
            background-color: #667eea;
            color: white;
            font-weight: 700;
        }

        .fbcw-version-table tr:hover {
            background-color: #e8ecff;
        }

        .fbcw-features-list {
            list-style: none;
            margin: 30px 0;
        }

        .fbcw-feature-item {
            padding: 15px 0;
            padding-left: 40px;
            position: relative;
            font-size: 16px;
            color: #555;
            line-height: 1.6;
        }

        .fbcw-feature-item:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #667eea;
            font-size: 24px;
            font-weight: 700;
        }

        .fbcw-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 60px 40px;
            border-radius: 10px;
            text-align: center;
            color: white;
            margin: 60px 0;
            box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
        }

        .fbcw-cta-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .fbcw-cta-text {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .fbcw-system-requirements {
            background: #fff9e6;
            padding: 30px;
            border-radius: 8px;
            margin: 30px 0;
            border: 2px solid #ffd700;
        }

        .fbcw-requirement-title {
            font-size: 18px;
            font-weight: 700;
            color: #d4a017;
            margin-bottom: 15px;
        }

        .fbcw-requirement-content {
            font-size: 15px;
            color: #666;
            line-height: 1.8;
        }

        .fbcw-faq-section {
            margin: 50px 0;
        }

        .fbcw-faq-item {
            background: white;
            padding: 25px;
            margin-bottom: 15px;
            border-radius: 8px;
            border-left: 4px solid #667eea;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .fbcw-faq-question {
            font-size: 18px;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 12px;
            cursor: pointer;
        }

        .fbcw-faq-answer {
            font-size: 15px;
            color: #666;
            line-height: 1.7;
        }

        .fbcw-footer-section {
            background: #2c3e50;
            color: white;
            padding: 50px 20px 30px;
            margin-top: 60px;
        }

        .fbcw-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }

        .fbcw-footer-column-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #667eea;
        }

        .fbcw-footer-link {
            color: #bdc3c7;
            text-decoration: none;
            font-size: 14px;
            line-height: 2;
            transition: all 0.3s ease;
        }

        .fbcw-footer-link:hover {
            color: #667eea;
            padding-left: 5px;
        }

        .fbcw-footer-bottom {
            border-top: 1px solid #34495e;
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: #95a5a6;
        }

        .fbcw-highlight-text {
            color: #667eea;
            font-weight: 700;
        }

        .fbcw-button-group {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin: 30px 0;
        }

        @media (max-width: 768px) {
            .fbcw-hero-title {
                font-size: 32px;
            }

            .fbcw-hero-subtitle {
                font-size: 16px;
            }

            .fbcw-navbar-wrapper {
                flex-direction: column;
                height: auto;
                padding: 15px 20px;
                gap: 15px;
            }

            .fbcw-nav-menu {
                flex-wrap: wrap;
                gap: 15px;
                justify-content: center;
            }

            .fbcw-nav-link {
                font-size: 14px;
            }

            .fbcw-section-title {
                font-size: 24px;
            }

            .fbcw-content-section {
                padding: 30px 20px;
            }

            .fbcw-cta-title {
                font-size: 28px;
            }

            .fbcw-download-btn-primary,
            .fbcw-download-btn-secondary {
                padding: 15px 40px;
                font-size: 16px;
            }

            .fbcw-button-group {
                flex-direction: column;
            }

            .fbcw-version-table {
                font-size: 14px;
            }

            .fbcw-version-table th,
            .fbcw-version-table td {
                padding: 10px;
            }
        }

        @media (max-width: 480px) {
            .fbcw-hero-section {
                padding: 40px 15px;
            }

            .fbcw-hero-title {
                font-size: 24px;
            }

            .fbcw-main-container {
                padding: 0 15px;
            }

            .fbcw-download-info-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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