:root {
            --m04y-primary: #0D56AD;
            --m04y-secondary: #D42E22;
            --m04y-accent: #FFBA00;
            --m04y-text: #1D1D1F;
            --m04y-text-light: #6E6E73;
            --m04y-bg: #F5F5F7;
            --m04y-white: #FFFFFF;
            --m04y-grid-gap: 24px;
            --m04y-radius: 16px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--m04y-text);
            background-color: var(--m04y-white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.2;
            word-break: keep-all;
            white-space: normal;
        }

        .m04y-fluid-h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4rem); font-weight: 800; }
        .m04y-fluid-h2 { font-size: clamp(1.8rem, 3vw + 0.5rem, 2.8rem); font-weight: 700; }
        .m04y-fluid-p { font-size: clamp(1rem, 1vw + 0.5rem, 1.25rem); line-height: 1.8; color: var(--m04y-text-light); }

        /* Layout Units */
        .m04y-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .m04y-section {
            padding: 96px 0;
            display: flex;
            flex-wrap: wrap;
        }

        /* Navigation */
        .m04y-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .m04y-nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .m04y-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .m04y-logo img {
            height: 32px;
            display: block;
        }

        .m04y-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            list-style: none;
            min-width: 0;
        }

        .m04y-menu a {
            text-decoration: none;
            color: var(--m04y-text);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
            word-break: break-word;
        }

        .m04y-menu a:hover {
            color: var(--m04y-primary);
        }

        .m04y-menu a.m04y-active {
            color: var(--m04y-primary);
            position: relative;
        }

        .m04y-menu a.m04y-active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--m04y-primary);
        }

        /* Hero Section - Unique Card Stack Layout */
        .m04y-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at top right, #f0f7ff, #ffffff);
            text-align: center;
        }

        .m04y-hero-content {
            max-width: 800px;
            margin: 0 auto 48px;
            min-width: 0;
            word-break: break-word;
        }

        .m04y-download-stage {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            margin-top: 48px;
        }

        .m04y-btn-main {
            background: linear-gradient(135deg, var(--m04y-primary), #007AFF);
            color: white;
            padding: 20px 48px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.2rem;
            box-shadow: 0 10px 30px rgba(13, 86, 173, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: inline-flex;
            align-items: center;
            min-width: 240px;
            justify-content: center;
        }

        .m04y-btn-main:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(13, 86, 173, 0.4);
        }

        .m04y-platform-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-top: 24px;
        }

        .m04y-tag {
            background: var(--m04y-bg);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--m04y-text-light);
            font-weight: 500;
        }

        /* Productivity Matrix Grid */
        .m04y-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--m04y-grid-gap);
            width: 100%;
        }

        .m04y-matrix-card {
            background: var(--m04y-white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--m04y-radius);
            padding: 32px;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .m04y-matrix-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-color: var(--m04y-primary);
        }

        .m04y-card-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            color: var(--m04y-primary);
            font-weight: 900;
        }

        .m04y-card-title {
            margin-bottom: 12px;
            color: var(--m04y-text);
            font-size: 1.5rem;
        }

        .m04y-card-tech {
            font-size: 0.95rem;
            color: var(--m04y-text-light);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .m04y-feature-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .m04y-feature-item {
            background: rgba(13, 86, 173, 0.05);
            color: var(--m04y-primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Image Content Sections */
        .m04y-split-section {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            width: 100%;
        }

        .m04y-split-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .m04y-split-image {
            flex: 1;
            min-width: 320px;
        }

        .m04y-split-image img {
            width: 100%;
            height: auto;
            border-radius: var(--m04y-radius);
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
        }

        /* Reverse Layout */
        .m04y-reverse {
            flex-direction: row-reverse;
        }

        /* Footer */
        .m04y-footer {
            background: #111;
            color: #fff;
            padding: 80px 0 40px;
        }

        .m04y-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .m04y-footer-brand h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }

        .m04y-footer-links h4 {
            margin-bottom: 24px;
            font-size: 1rem;
            color: rgba(255,255,255,0.6);
        }

        .m04y-footer-links ul {
            list-style: none;
        }

        .m04y-footer-links li {
            margin-bottom: 12px;
        }

        .m04y-footer-links a {
            color: #fff;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

        .m04y-footer-links a:hover {
            color: var(--m04y-primary);
        }

        .m04y-copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 32px;
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .m04y-menu {
                display: none; /* In a real project, add a hamburger menu */
            }
            .m04y-section {
                padding: 64px 0;
            }
            .m04y-split-section {
                gap: 32px;
            }
            .m04y-nav-container {
                padding: 0 16px;
            }
        }