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

        html {
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* Navigation Styles */
        .ickfu-navbar-wrapper {
            background: linear-gradient(135deg, #0088cc 0%, #006ba3 100%);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .ickfu-navbar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            font-size: 20px;
            font-weight: bold;
            color: white;
        }

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

        .ickfu-navbar-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .ickfu-nav-link {
            color: white;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .ickfu-nav-link:hover {
            border-bottom-color: #fff;
            opacity: 0.8;
        }

        /* Hero Section */
        .ickfu-hero-section {
            background: linear-gradient(135deg, #0088cc 0%, #006ba3 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
        }

        .ickfu-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

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

        .ickfu-hero-subtitle {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.95;
            line-height: 1.5;
        }

        .ickfu-hero-cta-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .ickfu-btn-primary {
            background-color: #fff;
            color: #0088cc;
            padding: 14px 40px;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .ickfu-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        }

        .ickfu-btn-secondary {
            background-color: transparent;
            color: white;
            padding: 14px 40px;
            border: 2px solid white;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
        }

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

        /* Main Content */
        .ickfu-main-wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
        }

        .ickfu-section-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 40px;
            color: #1a1a1a;
            text-align: center;
        }

        .ickfu-section-subtitle {
            font-size: 18px;
            color: #666;
            margin-bottom: 30px;
            text-align: center;
        }

        /* Version Info Section */
        .ickfu-version-info-container {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 40px;
        }

        .ickfu-version-header {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .ickfu-version-item {
            padding: 20px;
            background: #f0f7ff;
            border-left: 4px solid #0088cc;
            border-radius: 4px;
        }

        .ickfu-version-label {
            font-size: 13px;
            color: #666;
            text-transform: uppercase;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .ickfu-version-value {
            font-size: 24px;
            font-weight: 700;
            color: #0088cc;
        }

        /* Features Section */
        .ickfu-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-bottom: 50px;
        }

        .ickfu-feature-card {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border-top: 4px solid #0088cc;
        }

        .ickfu-feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .ickfu-feature-icon {
            font-size: 40px;
            margin-bottom: 15px;
        }

        .ickfu-feature-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            color: #1a1a1a;
        }

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

        /* Changelog Section */
        .ickfu-changelog-wrapper {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 40px;
        }

        .ickfu-changelog-list {
            list-style: none;
        }

        .ickfu-changelog-item {
            padding: 20px;
            border-bottom: 1px solid #eee;
            display: flex;
            gap: 15px;
        }

        .ickfu-changelog-item:last-child {
            border-bottom: none;
        }

        .ickfu-changelog-marker {
            width: 24px;
            height: 24px;
            background-color: #0088cc;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 14px;
            font-weight: bold;
        }

        .ickfu-changelog-content {
            flex: 1;
        }

        .ickfu-changelog-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 5px;
            color: #1a1a1a;
        }

        .ickfu-changelog-description {
            font-size: 14px;
            color: #666;
        }

        /* Comparison Table */
        .ickfu-comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            margin-bottom: 40px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
        }

        .ickfu-comparison-table thead {
            background: linear-gradient(135deg, #0088cc 0%, #006ba3 100%);
            color: white;
        }

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

        .ickfu-comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid #eee;
            font-size: 14px;
        }

        .ickfu-comparison-table tr:last-child td {
            border-bottom: none;
        }

        .ickfu-comparison-table tbody tr:nth-child(odd) {
            background-color: #f8f9fa;
        }

        .ickfu-check-mark {
            color: #28a745;
            font-weight: bold;
            font-size: 18px;
        }

        .ickfu-cross-mark {
            color: #dc3545;
            font-weight: bold;
            font-size: 18px;
        }

        /* Installation Guide */
        .ickfu-installation-section {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 40px;
        }

        .ickfu-install-steps {
            display: grid;
            gap: 25px;
        }

        .ickfu-install-step {
            display: flex;
            gap: 20px;
        }

        .ickfu-step-number {
            min-width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #0088cc 0%, #006ba3 100%);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: bold;
            flex-shrink: 0;
        }

        .ickfu-step-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: #1a1a1a;
        }

        .ickfu-step-content p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* CTA Section */
        .ickfu-cta-banner {
            background: linear-gradient(135deg, #0088cc 0%, #006ba3 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            border-radius: 8px;
            margin-bottom: 40px;
        }

        .ickfu-cta-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        /* Footer */
        .ickfu-footer-wrapper {
            background-color: #1a1a1a;
            color: white;
            padding: 50px 20px 20px;
            margin-top: 60px;
        }

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

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

        .ickfu-footer-column h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .ickfu-footer-column ul {
            list-style: none;
        }

        .ickfu-footer-column li {
            margin-bottom: 10px;
        }

        .ickfu-footer-link {
            color: #bbb;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .ickfu-footer-link:hover {
            color: white;
        }

        .ickfu-footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: #999;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .ickfu-navbar-menu {
                display: none;
            }

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

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

            .ickfu-hero-cta-group {
                flex-direction: column;
                align-items: center;
            }

            .ickfu-btn-primary,
            .ickfu-btn-secondary {
                width: 100%;
                max-width: 300px;
            }

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

            .ickfu-version-header {
                grid-template-columns: 1fr;
            }

            .ickfu-features-grid {
                grid-template-columns: 1fr;
            }

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

            .ickfu-comparison-table {
                font-size: 12px;
            }

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

            .ickfu-install-step {
                flex-direction: column;
                align-items: flex-start;
            }

            .ickfu-step-number {
                align-self: flex-start;
            }
        }

        @media (max-width: 480px) {
            .ickfu-navbar-container {
                padding: 0 10px;
                height: 60px;
            }

            .ickfu-navbar-logo {
                font-size: 16px;
            }

            .ickfu-navbar-logo img {
                height: 35px;
            }

            .ickfu-hero-section {
                padding: 50px 15px;
            }

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

            .ickfu-main-wrapper {
                padding: 40px 15px;
            }

            .ickfu-version-info-container,
            .ickfu-changelog-wrapper,
            .ickfu-installation-section {
                padding: 25px;
            }
        }