:root {
            --vf6p3w-primary: #ff6600;
            --vf6p3w-primary-dark: #e65c00;
            --vf6p3w-primary-light: #fff0e6;
            --vf6p3w-text-main: #333333;
            --vf6p3w-text-muted: #666666;
            --vf6p3w-bg-light: #ffffff;
            --vf6p3w-bg-accent: #f8f9fa;
            --vf6p3w-border: #eeeeee;
            --vf6p3w-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --vf6p3w-radius: 16px;
            --vf6p3w-container-width: 1400px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--vf6p3w-text-main);
            background-color: var(--vf6p3w-bg-light);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Layout Helpers */
        .vf6p3w-container {
            max-width: var(--vf6p3w-container-width);
            margin: 0 auto;
            padding: 0 32px;
        }

        .vf6p3w-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .vf6p3w-flex-item {
            min-width: 0;
        }

        .vf6p3w-grid {
            display: grid;
            gap: 32px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.2;
            word-break: keep-all;
            margin-bottom: 16px;
            color: #1a1a1a;
        }

        p {
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* Navigation */
        .vf6p3w-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--vf6p3w-border);
            transition: all 0.3s ease;
        }

        .vf6p3w-nav-content {
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .vf6p3w-logo {
            display: flex;
            align-items: center;
            height: 40px;
        }

        .vf6p3w-logo img {
            height: 100%;
            width: auto;
        }

        .vf6p3w-nav-links {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
        }

        .vf6p3w-nav-links a {
            text-decoration: none;
            color: var(--vf6p3w-text-main);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s ease;
            padding: 8px 0;
            position: relative;
        }

        .vf6p3w-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--vf6p3w-primary);
            transition: width 0.3s ease;
        }

        .vf6p3w-nav-links a:hover {
            color: var(--vf6p3w-primary);
        }

        .vf6p3w-nav-links a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .vf6p3w-hero {
            padding: 200px 0 120px;
            background: radial-gradient(circle at 90% 10%, var(--vf6p3w-primary-light) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, #f0f0f0 0%, transparent 40%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .vf6p3w-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            background: linear-gradient(135deg, #1a1a1a 0%, #444444 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 24px;
        }

        .vf6p3w-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--vf6p3w-text-muted);
            max-width: 800px;
            margin: 0 auto 48px;
        }

        .vf6p3w-hero-badge {
            display: inline-block;
            padding: 8px 20px;
            background: var(--vf6p3w-primary-light);
            color: var(--vf6p3w-primary);
            border-radius: 40px;
            font-weight: 600;
            margin-bottom: 24px;
            font-size: 14px;
        }

        .vf6p3w-btn-primary {
            display: inline-block;
            padding: 18px 48px;
            background: linear-gradient(135deg, var(--vf6p3w-primary) 0%, var(--vf6p3w-primary-dark) 100%);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.2);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .vf6p3w-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 102, 0, 0.3);
        }

        /* Features Section */
        .vf6p3w-section {
            padding: 96px 0;
        }

        .vf6p3w-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .vf6p3w-section-title {
            font-size: clamp(2rem, 3vw, 2.8rem);
            font-weight: 700;
        }

        .vf6p3w-feature-grid {
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        }

        .vf6p3w-feature-card {
            background: var(--vf6p3w-bg-light);
            padding: 48px;
            border-radius: var(--vf6p3w-radius);
            border: 1px solid var(--vf6p3w-border);
            transition: all 0.3s ease;
            position: relative;
        }

        .vf6p3w-feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--vf6p3w-shadow);
            border-color: var(--vf6p3w-primary-light);
        }

        .vf6p3w-feature-icon {
            width: 64px;
            height: 64px;
            background: var(--vf6p3w-bg-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 28px;
            color: var(--vf6p3w-primary);
        }

        .vf6p3w-feature-name {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        /* 2024 Unique Highlight Section */
        .vf6p3w-highlight-box {
            background: #1a1a1a;
            color: white;
            border-radius: 32px;
            padding: 80px;
            overflow: hidden;
            position: relative;
        }

        .vf6p3w-highlight-content {
            max-width: 600px;
            position: relative;
            z-index: 2;
        }

        .vf6p3w-highlight-box h2 {
            color: white;
            font-size: clamp(2rem, 4vw, 3.5rem);
        }

        .vf6p3w-highlight-box p {
            color: #aaaaaa;
            font-size: 18px;
        }

        .vf6p3w-ai-orbit {
            position: absolute;
            right: -100px;
            top: 50%;
            transform: translateY(-50%);
            width: 500px;
            height: 500px;
            border: 1px solid rgba(255, 102, 0, 0.2);
            border-radius: 50%;
            z-index: 1;
        }

        .vf6p3w-ai-orbit::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(255, 102, 0, 0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
        }

        /* Version Comparison */
        .vf6p3w-comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: var(--vf6p3w-radius);
            overflow: hidden;
            box-shadow: var(--vf6p3w-shadow);
        }

        .vf6p3w-comparison-table th,
        .vf6p3w-comparison-table td {
            padding: 24px;
            text-align: center;
            border-bottom: 1px solid var(--vf6p3w-border);
        }

        .vf6p3w-comparison-table th {
            background: var(--vf6p3w-bg-accent);
            font-weight: 700;
        }

        .vf6p3w-comparison-table .vf6p3w-highlight-cell {
            color: var(--vf6p3w-primary);
            font-weight: 700;
        }

        /* Dynamic Section */
        .vf6p3w-news-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }

        .vf6p3w-news-item {
            padding: 24px;
            border-bottom: 1px solid var(--vf6p3w-border);
        }

        .vf6p3w-news-date {
            font-size: 14px;
            color: var(--vf6p3w-text-muted);
            margin-bottom: 8px;
        }

        .vf6p3w-news-title {
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            color: var(--vf6p3w-text-main);
            transition: color 0.3s ease;
        }

        .vf6p3w-news-title:hover {
            color: var(--vf6p3w-primary);
        }

        /* CTA Section */
        .vf6p3w-cta {
            background: var(--vf6p3w-bg-accent);
            border-radius: 32px;
            padding: 80px 32px;
            text-align: center;
        }

        /* Footer */
        .vf6p3w-footer {
            background: #ffffff;
            padding: 80px 0 40px;
            border-top: 1px solid var(--vf6p3w-border);
        }

        .vf6p3w-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .vf6p3w-footer-brand h3 {
            font-size: 24px;
            color: var(--vf6p3w-primary);
            margin-bottom: 16px;
        }

        .vf6p3w-footer-links h4 {
            font-size: 16px;
            margin-bottom: 24px;
        }

        .vf6p3w-footer-links ul {
            list-style: none;
        }

        .vf6p3w-footer-links li {
            margin-bottom: 12px;
        }

        .vf6p3w-footer-links a {
            text-decoration: none;
            color: var(--vf6p3w-text-muted);
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .vf6p3w-footer-links a:hover {
            color: var(--vf6p3w-primary);
        }

        .vf6p3w-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid var(--vf6p3w-border);
            color: var(--vf6p3w-text-muted);
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .vf6p3w-highlight-box {
                padding: 48px;
            }
            .vf6p3w-ai-orbit {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .vf6p3w-nav-links {
                display: none; /* In real case, add a mobile menu */
            }
            .vf6p3w-hero {
                padding: 140px 0 80px;
            }
            .vf6p3w-container {
                padding: 0 20px;
            }
            .vf6p3w-grid {
                grid-template-columns: 1fr !important;
            }
            .vf6p3w-comparison-table {
                display: block;
                overflow-x: auto;
            }
        }

        /* JSON-LD Script */