:root {
            --x393oe-primary: #005fb8;
            --x393oe-secondary: #0078d4;
            --x393oe-accent: #2b88d8;
            --x393oe-dark: #1a1a1a;
            --x393oe-light: #f5f7fa;
            --x393oe-text: #333333;
            --x393oe-white: #ffffff;
            --x393oe-gray: #666666;
            --x393oe-border: #e1e4e8;
            --x393oe-radius: 12px;
            --x393oe-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --x393oe-container-width: 1100px;
        }

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

        body {
            font-family: "Segoe UI", "Microsoft YaHei", -apple-system, sans-serif;
            color: var(--x393oe-text);
            background-color: var(--x393oe-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3 {
            color: var(--x393oe-dark);
            line-height: 1.3;
            word-break: keep-all;
            white-space: normal;
        }

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

        /* Navigation */
        .x393oe-nav-wrapper {
            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 var(--x393oe-border);
            transition: all 0.3s ease;
        }

        .x393oe-nav-container {
            max-width: var(--x393oe-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 80px;
        }

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

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

        .x393oe-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .x393oe-menu-item a {
            text-decoration: none;
            color: var(--x393oe-gray);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            white-space: nowrap;
        }

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

        /* Hero Section */
        .x393oe-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #ffffff 0%, #eef5ff 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .x393oe-hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .x393oe-hero-title {
            font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--x393oe-dark);
            letter-spacing: -1px;
        }

        .x393oe-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--x393oe-gray);
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .x393oe-download-box {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-bottom: 64px;
        }

        .x393oe-btn-main {
            display: inline-block;
            padding: 18px 48px;
            background: var(--x393oe-primary);
            color: var(--x393oe-white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            box-shadow: 0 10px 20px rgba(0, 95, 184, 0.2);
            transition: transform 0.3s, background 0.3s;
            min-width: 240px;
        }

        .x393oe-btn-main:hover {
            transform: translateY(-3px);
            background: var(--x393oe-secondary);
        }

        /* Tech Section */
        .x393oe-section {
            padding: 96px 24px;
            max-width: var(--x393oe-container-width);
            margin: 0 auto;
        }

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

        .x393oe-section-title {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .x393oe-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .x393oe-tech-card {
            background: var(--x393oe-white);
            padding: 40px;
            border-radius: var(--x393oe-radius);
            box-shadow: var(--x393oe-shadow);
            border: 1px solid var(--x393oe-border);
            transition: transform 0.3s;
            min-width: 0;
        }

        .x393oe-tech-card:hover {
            transform: translateY(-8px);
        }

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

        .x393oe-tech-benefit {
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px dashed var(--x393oe-border);
            font-weight: 600;
            color: var(--x393oe-secondary);
        }

        /* Modes Section */
        .x393oe-modes-section {
            background-color: var(--x393oe-dark);
            color: var(--x393oe-white);
            padding: 96px 24px;
        }

        .x393oe-modes-container {
            max-width: var(--x393oe-container-width);
            margin: 0 auto;
        }

        .x393oe-modes-section .x393oe-section-title {
            color: var(--x393oe-white);
            text-align: center;
        }

        .x393oe-mode-list {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
        }

        .x393oe-mode-item {
            flex: 1 1 calc(33.333% - 24px);
            min-width: 280px;
            background: rgba(255, 255, 255, 0.05);
            padding: 32px;
            border-radius: var(--x393oe-radius);
            border-left: 4px solid var(--x393oe-accent);
        }

        .x393oe-mode-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            display: block;
        }

        /* FAQ Section */
        .x393oe-faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 40px;
            margin-top: 48px;
        }

        .x393oe-faq-item {
            background: var(--x393oe-white);
            padding: 32px;
            border-radius: var(--x393oe-radius);
            border: 1px solid var(--x393oe-border);
        }

        .x393oe-faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
            color: var(--x393oe-dark);
        }

        .x393oe-faq-answer {
            color: var(--x393oe-gray);
        }

        /* Footer */
        .x393oe-footer {
            background: #f8f9fa;
            padding: 80px 24px 40px;
            border-top: 1px solid var(--x393oe-border);
        }

        .x393oe-footer-content {
            max-width: var(--x393oe-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .x393oe-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .x393oe-footer-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--x393oe-primary);
            margin-bottom: 16px;
        }

        .x393oe-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            flex: 2 1 600px;
            min-width: 0;
        }

        .x393oe-footer-column h4 {
            margin-bottom: 24px;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

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

        .x393oe-footer-column ul li a {
            text-decoration: none;
            color: var(--x393oe-gray);
            transition: color 0.3s;
        }

        .x393oe-footer-column ul li a:hover {
            color: var(--x393oe-primary);
        }

        .x393oe-copyright {
            max-width: var(--x393oe-container-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid var(--x393oe-border);
            text-align: center;
            color: var(--x393oe-gray);
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .x393oe-nav-container {
                height: auto;
                padding: 16px 20px;
            }
            .x393oe-menu {
                width: 100%;
                margin-top: 16px;
                gap: 12px;
                justify-content: center;
            }
            .x393oe-hero {
                padding-top: 120px;
            }
            .x393oe-faq-grid {
                grid-template-columns: 1fr;
            }
            .x393oe-mode-item {
                flex: 1 1 100%;
            }
        }