/* CSS Variable System */
        :root {
            --x393oe-primary: #0056b3;
            --x393oe-secondary: #00c6ff;
            --x393oe-accent: #ff6b00;
            --x393oe-dark: #1a1c20;
            --x393oe-light: #f8f9fa;
            --x393oe-text-main: #333333;
            --x393oe-text-muted: #666666;
            --x393oe-gap-base: 8px;
            --x393oe-container-width: 1100px;
            --x393oe-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* Reset & Base Styles */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: "Inter", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
            color: var(--x393oe-text-main);
            line-height: 1.7;
            background-color: #ffffff;
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3 {
            line-height: 1.3;
            word-break: keep-all;
            white-space: normal;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            margin-bottom: calc(var(--x393oe-gap-base) * 2);
        }

        /* Layout Components */
        .x393oe-container {
            max-width: var(--x393oe-container-width);
            margin: 0 auto;
            padding: 0 calc(var(--x393oe-gap-base) * 3);
            width: 100%;
        }

        .x393oe-flex {
            display: flex;
            flex-wrap: wrap;
        }

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

        /* Navigation */
        .x393oe-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            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 4px 12px rgba(0, 0, 0, 0.03);
        }

        .x393oe-nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            flex-wrap: wrap;
        }

        .x393oe-logo {
            flex-shrink: 0;
        }

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

        .x393oe-menu {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: calc(var(--x393oe-gap-base) * 2);
        }

        .x393oe-menu li a {
            text-decoration: none;
            color: var(--x393oe-text-main);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            transition: var(--x393oe-transition);
            border-radius: 6px;
        }

        .x393oe-menu li a:hover {
            color: var(--x393oe-primary);
            background: rgba(0, 86, 179, 0.05);
        }

        .x393oe-menu li a.x393oe-active {
            color: #ffffff;
            background: var(--x393oe-primary);
        }

        /* Hero Section */
        .x393oe-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at top right, #f0f7ff, #ffffff);
            position: relative;
            overflow: hidden;
        }

        .x393oe-hero-content {
            text-align: center;
            max-width: 850px;
            margin: 0 auto;
        }

        .x393oe-hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            background: linear-gradient(135deg, var(--x393oe-dark), var(--x393oe-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 24px;
        }

        .x393oe-hero p {
            font-size: clamp(1.1rem, 2vw, 1.35rem);
            color: var(--x393oe-text-muted);
            line-height: 1.6;
        }

        /* Performance Blueprint Section (Unique Layout) */
        .x393oe-blueprint {
            padding: 96px 0;
            background: #ffffff;
        }

        .x393oe-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .x393oe-section-title h2 {
            font-size: clamp(1.5rem, 4vw, 2.5rem);
            color: var(--x393oe-dark);
            position: relative;
            display: inline-block;
        }

        .x393oe-section-title h2::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--x393oe-secondary);
            border-radius: 2px;
        }

        .x393oe-blueprint-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .x393oe-blueprint-card {
            background: var(--x393oe-light);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(0,0,0,0.03);
            transition: var(--x393oe-transition);
            position: relative;
            overflow: hidden;
        }

        .x393oe-blueprint-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            background: #ffffff;
        }

        .x393oe-blueprint-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--x393oe-primary);
        }

        .x393oe-benefit-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0, 198, 255, 0.1);
            color: var(--x393oe-primary);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 4px;
            margin-top: 16px;
        }

        /* Intelligent Modes Section */
        .x393oe-modes {
            padding: 96px 0;
            background: var(--x393oe-dark);
            color: #ffffff;
        }

        .x393oe-mode-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .x393oe-mode-item {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: 16px;
            border-left: 4px solid var(--x393oe-secondary);
            transition: var(--x393oe-transition);
        }

        .x393oe-mode-item:hover {
            background: rgba(255,255,255,0.08);
            transform: scale(1.01);
        }

        .x393oe-mode-info {
            flex: 1;
            padding-right: 24px;
        }

        .x393oe-mode-info h3 {
            font-size: 1.4rem;
            margin-bottom: 8px;
            color: var(--x393oe-secondary);
        }

        .x393oe-mode-badge {
            font-family: monospace;
            background: var(--x393oe-accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            margin-left: 12px;
            vertical-align: middle;
        }

        /* Knowledge Base Section */
        .x393oe-faq {
            padding: 96px 0;
            background: #fcfdfe;
        }

        .x393oe-faq-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .x393oe-faq-item {
            margin-bottom: 32px;
            background: #ffffff;
            padding: 32px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .x393oe-faq-item h4 {
            font-size: 1.25rem;
            margin-bottom: 16px;
            color: var(--x393oe-dark);
            display: flex;
            align-items: flex-start;
        }

        .x393oe-faq-item h4::before {
            content: 'Q';
            font-weight: 800;
            color: var(--x393oe-primary);
            margin-right: 12px;
        }

        .x393oe-faq-answer {
            color: var(--x393oe-text-muted);
            border-left: 2px solid #eee;
            padding-left: 24px;
        }

        /* Footer */
        .x393oe-footer {
            background: #111;
            color: #888;
            padding: 64px 0 32px;
            font-size: 0.9rem;
        }

        .x393oe-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 48px;
        }

        .x393oe-footer-brand h4 {
            color: #ffffff;
            margin-bottom: 24px;
            font-size: 1.2rem;
        }

        .x393oe-footer-links h5 {
            color: #eee;
            margin-bottom: 20px;
        }

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

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

        .x393oe-footer-links a {
            color: #888;
            text-decoration: none;
            transition: var(--x393oe-transition);
        }

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

        .x393oe-copyright {
            text-align: center;
            border-top: 1px solid #222;
            padding-top: 32px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .x393oe-nav-wrapper {
                height: auto;
                padding: 16px 0;
                flex-direction: column;
                gap: 16px;
            }
            .x393oe-menu {
                justify-content: center;
            }
            .x393oe-mode-item {
                flex-direction: column;
                text-align: center;
            }
            .x393oe-mode-info {
                padding-right: 0;
                margin-bottom: 16px;
            }
            .x393oe-hero {
                padding: 180px 0 64px;
            }
        }