:root {
            --x393oe-primary: #0052cc;
            --x393oe-secondary: #0747a6;
            --x393oe-accent: #00b8d9;
            --x393oe-dark: #172b4d;
            --x393oe-light: #f4f5f7;
            --x393oe-white: #ffffff;
            --x393oe-gray: #6b778c;
            --x393oe-success: #36b37e;
            --x393oe-warning: #ffab00;
            --x393oe-bg-gradient: linear-gradient(135deg, #f4f7ff 0%, #e9effd 100%);
            --x393oe-spacing: 8px;
        }

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

        body {
            font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--x393oe-dark);
            background-color: var(--x393oe-white);
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* Layout Container */
        .x393oe-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 calc(var(--x393oe-spacing) * 3);
            width: 100%;
        }

        /* Navigation */
        .x393oe-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.03);
        }

        .x393oe-nav-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 calc(var(--x393oe-spacing) * 3);
        }

        .x393oe-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .x393oe-logo img {
            height: 40px;
            display: block;
        }

        .x393oe-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: calc(var(--x393oe-spacing) * 3);
        }

        .x393oe-menu-item {
            min-width: 0;
        }

        .x393oe-menu-link {
            text-decoration: none;
            color: var(--x393oe-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            padding: calc(var(--x393oe-spacing) * 1) 0;
            position: relative;
        }

        .x393oe-menu-link:hover, .x393oe-menu-link.x393oe-active {
            color: var(--x393oe-primary);
        }

        .x393oe-menu-link.x393oe-active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--x393oe-primary);
        }

        /* Hero Section */
        .x393oe-hero {
            padding: 160px 0 80px;
            background: var(--x393oe-bg-gradient);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .x393oe-hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .x393oe-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            margin-bottom: calc(var(--x393oe-spacing) * 3);
            color: var(--x393oe-dark);
            word-break: break-word;
        }

        .x393oe-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--x393oe-gray);
            margin-bottom: calc(var(--x393oe-spacing) * 4);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            word-break: break-word;
        }

        /* Comparison Section */
        .x393oe-section {
            padding: calc(var(--x393oe-spacing) * 12) 0;
            border-bottom: 1px solid #f0f0f0;
        }

        .x393oe-section-title {
            text-align: center;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            margin-bottom: calc(var(--x393oe-spacing) * 8);
            position: relative;
            word-break: break-word;
        }

        .x393oe-section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--x393oe-primary);
            margin: 16px auto 0;
            border-radius: 2px;
        }

        .x393oe-grid-compare {
            display: flex;
            flex-wrap: wrap;
            gap: calc(var(--x393oe-spacing) * 4);
            margin-top: calc(var(--x393oe-spacing) * 6);
        }

        .x393oe-compare-card {
            flex: 1;
            min-width: 300px;
            padding: calc(var(--x393oe-spacing) * 5);
            background: var(--x393oe-white);
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #eee;
        }

        .x393oe-compare-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .x393oe-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .x393oe-tag-official { background: #e3f2fd; color: #1976d2; }
        .x393oe-tag-localized { background: #fff3e0; color: #e65100; }

        .x393oe-compare-list {
            list-style: none;
            margin-top: 24px;
        }

        .x393oe-compare-list li {
            padding: 12px 0;
            border-bottom: 1px solid #f9f9f9;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            word-break: break-word;
        }

        /* Tech Pillars Section */
        .x393oe-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: calc(var(--x393oe-spacing) * 4);
        }

        .x393oe-tech-item {
            background: #fff;
            padding: calc(var(--x393oe-spacing) * 4);
            border-left: 4px solid var(--x393oe-primary);
            min-width: 0;
        }

        .x393oe-tech-item h3 {
            margin-bottom: 12px;
            color: var(--x393oe-primary);
        }

        .x393oe-tech-desc {
            font-size: 0.95rem;
            color: var(--x393oe-gray);
            margin-bottom: 12px;
            word-break: break-word;
        }

        .x393oe-tech-benefit {
            font-weight: 600;
            color: var(--x393oe-success);
            font-size: 0.9rem;
        }

        /* FAQ Section */
        .x393oe-faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .x393oe-faq-item {
            margin-bottom: calc(var(--x393oe-spacing) * 4);
            padding: calc(var(--x393oe-spacing) * 3);
            background: #f8f9fa;
            border-radius: 12px;
            min-width: 0;
        }

        .x393oe-faq-q {
            font-weight: bold;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--x393oe-dark);
            display: flex;
            gap: 10px;
        }

        .x393oe-faq-a {
            color: var(--x393oe-gray);
            line-height: 1.7;
            word-break: break-word;
        }

        /* Footer */
        .x393oe-footer {
            background: var(--x393oe-dark);
            color: var(--x393oe-white);
            padding: calc(var(--x393oe-spacing) * 10) 0 calc(var(--x393oe-spacing) * 4);
        }

        .x393oe-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: calc(var(--x393oe-spacing) * 6);
            margin-bottom: calc(var(--x393oe-spacing) * 8);
        }

        .x393oe-footer-col {
            flex: 1;
            min-width: 240px;
        }

        .x393oe-footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--x393oe-white);
        }

        .x393oe-footer-links {
            list-style: none;
        }

        .x393oe-footer-links li {
            margin-bottom: 12px;
        }

        .x393oe-footer-links a {
            color: #a1a1a1;
            text-decoration: none;
            transition: color 0.3s;
        }

        .x393oe-footer-links a:hover {
            color: var(--x393oe-white);
        }

        .x393oe-footer-bottom {
            text-align: center;
            padding-top: calc(var(--x393oe-spacing) * 4);
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.85rem;
            color: #888;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .x393oe-menu {
                display: none; /* In a real project, add a mobile burger menu */
            }
            .x393oe-grid-compare, .x393oe-tech-grid {
                flex-direction: column;
            }
            .x393oe-compare-card {
                min-width: 100%;
            }
            .x393oe-hero {
                padding: 120px 0 60px;
            }
        }