/* Base Reset & Variables */
        :root {
            --r50ey1-chrome-blue: #4285F4;
            --r50ey1-chrome-red: #EA4335;
            --r50ey1-chrome-yellow: #FBBC04;
            --r50ey1-chrome-green: #34A853;
            --r50ey1-bg-light: #ffffff;
            --r50ey1-text-main: #202124;
            --r50ey1-text-sub: #5f6368;
            --r50ey1-spacing-unit: 8px;
            --r50ey1-container-width: 1300px;
        }

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

        body {
            font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--r50ey1-text-main);
            background-color: var(--r50ey1-bg-light);
            word-break: keep-all;
            overflow-x: hidden;
        }

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

        p {
            line-height: 1.8;
            margin-bottom: 1.5rem;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        /* Navigation */
        .r50ey1-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #eee;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .r50ey1-nav-container {
            max-width: var(--r50ey1-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
        }

        .r50ey1-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .r50ey1-logo img {
            height: 32px;
            display: block;
        }

        .r50ey1-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .r50ey1-menu li {
            min-width: 0;
        }

        .r50ey1-menu a {
            text-decoration: none;
            color: var(--r50ey1-text-sub);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .r50ey1-menu a:hover, .r50ey1-menu a.active {
            color: var(--r50ey1-chrome-blue);
        }

        .r50ey1-menu a.active {
            border-bottom: 2px solid var(--r50ey1-chrome-blue);
            padding-bottom: 4px;
        }

        /* Hero Section - Unique Diagonal Design */
        .r50ey1-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 100%);
            position: relative;
            overflow: hidden;
        }

        .r50ey1-hero::after {
            content: "V8";
            position: absolute;
            right: -5%;
            bottom: -5%;
            font-size: 30vw;
            font-weight: 900;
            color: rgba(66, 133, 244, 0.03);
            line-height: 1;
            pointer-events: none;
        }

        .r50ey1-hero-content {
            max-width: var(--r50ey1-container-width);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }

        .r50ey1-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--r50ey1-text-main);
            max-width: 800px;
        }

        .r50ey1-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--r50ey1-text-sub);
            max-width: 700px;
            margin-bottom: 40px;
        }

        .r50ey1-hero-badge {
            display: inline-block;
            background: var(--r50ey1-chrome-yellow);
            color: #000;
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        /* Component Grid - Architectural Logic */
        .r50ey1-section {
            padding: 96px 24px;
            max-width: var(--r50ey1-container-width);
            margin: 0 auto;
        }

        .r50ey1-section-title {
            text-align: center;
            font-size: clamp(2rem, 3vw, 2.5rem);
            margin-bottom: 64px;
        }

        .r50ey1-tech-stack {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .r50ey1-card {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid #f0f0f0;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .r50ey1-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .r50ey1-card-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .r50ey1-card-v8 { background: rgba(251, 188, 4, 0.1); border: 2px solid var(--r50ey1-chrome-yellow); }
        .r50ey1-card-blink { background: rgba(66, 133, 244, 0.1); border: 2px solid var(--r50ey1-chrome-blue); }
        .r50ey1-card-process { background: rgba(52, 168, 83, 0.1); border: 2px solid var(--r50ey1-chrome-green); }

        .r50ey1-card h3 {
            margin-bottom: 16px;
            font-size: 1.5rem;
        }

        /* Productivity Ecosystem */
        .r50ey1-eco-section {
            background-color: #fcfcfc;
            border-top: 1px solid #f0f0f0;
            border-bottom: 1px solid #f0f0f0;
        }

        .r50ey1-eco-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: flex-start;
        }

        .r50ey1-eco-item {
            flex: 1;
            min-width: 300px;
        }

        .r50ey1-eco-item h4 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            color: var(--r50ey1-chrome-blue);
        }

        .r50ey1-eco-list {
            list-style: none;
        }

        .r50ey1-eco-list li {
            padding: 12px 0;
            border-bottom: 1px dashed #eee;
            color: var(--r50ey1-text-sub);
            position: relative;
            padding-left: 24px;
        }

        .r50ey1-eco-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--r50ey1-chrome-green);
            font-weight: bold;
        }

        /* Future Vision Roadmap */
        .r50ey1-roadmap {
            padding: 96px 24px;
            background: var(--r50ey1-text-main);
            color: #fff;
            border-radius: 40px;
            margin: 40px 24px;
            max-width: var(--r50ey1-container-width);
            margin-left: auto;
            margin-right: auto;
        }

        .r50ey1-roadmap-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .r50ey1-roadmap-step {
            flex: 1;
            min-width: 280px;
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 20px;
            border-left: 4px solid var(--r50ey1-chrome-blue);
        }

        .r50ey1-roadmap-step:nth-child(2) { border-left-color: var(--r50ey1-chrome-yellow); }
        .r50ey1-roadmap-step:nth-child(3) { border-left-color: var(--r50ey1-chrome-red); }

        .r50ey1-step-label {
            text-transform: uppercase;
            font-size: 0.8rem;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: block;
            color: #aaa;
        }

        /* Footer */
        .r50ey1-footer {
            padding: 80px 24px;
            background: #fff;
            border-top: 1px solid #eee;
        }

        .r50ey1-footer-content {
            max-width: var(--r50ey1-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .r50ey1-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .r50ey1-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--r50ey1-text-main);
        }

        .r50ey1-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            flex: 2;
            min-width: 300px;
        }

        .r50ey1-footer-col h5 {
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .r50ey1-footer-col ul {
            list-style: none;
        }

        .r50ey1-footer-col li {
            margin-bottom: 10px;
        }

        .r50ey1-footer-col a {
            text-decoration: none;
            color: var(--r50ey1-text-sub);
            font-size: 0.9rem;
        }

        .r50ey1-footer-bottom {
            max-width: var(--r50ey1-container-width);
            margin: 40px auto 0;
            padding-top: 24px;
            border-top: 1px solid #eee;
            text-align: center;
            color: #9aa0a6;
            font-size: 0.85rem;
        }

        /* Decorative CSS Elements (Replacing Emojis) */
        .r50ey1-dot-matrix {
            display: grid;
            grid-template-columns: repeat(4, 6px);
            gap: 4px;
        }
        .r50ey1-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

        /* Responsive Breakpoints */
        @media (max-width: 768px) {
            .r50ey1-nav-container { justify-content: center; flex-direction: column; gap: 16px; }
            .r50ey1-menu { justify-content: center; gap: 12px; }
            .r50ey1-hero { padding-top: 180px; text-align: center; }
            .r50ey1-hero-title { margin: 0 auto 24px; }
            .r50ey1-hero-subtitle { margin: 0 auto 40px; }
            .r50ey1-roadmap { margin: 20px; }
        }