<style>
        :root {
            --bg: #faf8f4;
            --card-bg: #ffffff;
            --text: #2c2c2c;
            --text-light: #5a5a5a;
            --text-lighter: #7a7a7a;
            --accent: #e0783a;
            --accent-light: #f0a068;
            --accent-soft: #fdf0e6;
            --accent-gold: #c49a5c;
            --gold-soft: #fdf8f0;
            --border: #ece7df;
            --shadow-sm: 0 1px 2px rgba(60, 30, 10, 0.04);
            --shadow: 0 2px 12px rgba(60, 30, 10, 0.06);
            --shadow-md: 0 6px 28px rgba(60, 30, 10, 0.09);
            --shadow-lg: 0 14px 48px rgba(60, 30, 10, 0.12);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --nav-height: 68px;
            --max-width: 1260px;
            --transition: 0.28s cubic-bezier(0.25, 0.1, 0.25, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.01em;
        }
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(60, 30, 10, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 2rem;
        }
        .navbar-inner {
            width: 100%;
            max-width: var(--max-width);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text);
            letter-spacing: -0.02em;
            transition: var(--transition);
        }
        .nav-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #e8833a 0%, #d06828 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            box-shadow: 0 3px 14px rgba(210, 100, 40, 0.28);
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.3rem;
            align-items: center;
        }
        .nav-links a {
            display: inline-block;
            padding: 0.55rem 1.2rem;
            text-decoration: none;
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: 24px;
            transition: var(--transition);
            letter-spacing: 0.02em;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .nav-download-btn {
            background: linear-gradient(135deg, #e8833a 0%, #d06828 100%) !important;
            color: #fff !important;
            padding: 0.6rem 1.6rem !important;
            font-weight: 600 !important;
            box-shadow: 0 3px 16px rgba(210, 100, 40, 0.3);
            border-radius: 26px !important;
        }
        .nav-download-btn:hover {
            box-shadow: 0 6px 24px rgba(210, 100, 40, 0.42) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, #f09048 0%, #d87030 100%) !important;
            color: #fff !important;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 2rem;
        }
        .hero {
            padding: 3.5rem 0 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle at center, rgba(224, 120, 58, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.4rem 1.2rem;
            border-radius: 20px;
            margin-bottom: 1.2rem;
            letter-spacing: 0.03em;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.25;
            color: #1a1a1a;
            margin-bottom: 1rem;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #e8833a 0%, #c96a2e 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 620px;
            margin: 0 auto 1.8rem;
            line-height: 1.6;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 28px;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            letter-spacing: 0.02em;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, #e8833a 0%, #d06828 100%);
            color: #fff;
            box-shadow: 0 4px 20px rgba(210, 100, 40, 0.32);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(210, 100, 40, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: #fff;
            color: var(--accent);
            border: 2px solid #ecc8a8;
        }
        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent-light);
        }
        .btn-lg {
            padding: 0.95rem 2.5rem;
            font-size: 1.1rem;
            border-radius: 30px;
        }
        .section {
            padding: 3.5rem 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 0.35rem 1rem;
            border-radius: 16px;
            margin-bottom: 0.7rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.6rem;
            color: #1a1a1a;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-lighter);
            margin-bottom: 2.5rem;
            max-width: 600px;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #e8833a, #f0b880, #e8833a);
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #e8c8a8;
        }
        .feature-card:hover::after {
            opacity: 1;
        }
        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #1a1a1a;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-lighter);
            line-height: 1.6;
        }
        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.9rem;
        }
        .tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 12px;
            background: #fef9f4;
            color: #b87030;
            letter-spacing: 0.02em;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        @media (max-width: 768px) {
            .two-col {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .nav-links a {
                padding: 0.45rem 0.8rem;
                font-size: 0.85rem;
            }
        }
        .info-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            color: #1a1a1a;
        }
        .info-block p {
            color: var(--text-lighter);
            margin-bottom: 0.6rem;
            line-height: 1.7;
        }
        .highlight-num {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.04em;
        }
        .highlight-num span {
            font-size: 1.2rem;
            font-weight: 600;
        }
        .card-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem 1.2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.03em;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-lighter);
            margin-top: 0.3rem;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-q {
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #1a1a1a;
            user-select: none;
            letter-spacing: 0.01em;
        }
        .faq-q::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--accent);
            transition: var(--transition);
        }
        .faq-item.open .faq-q::after {
            content: '−';
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-lighter);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 0 solid transparent;
        }
        .faq-item.open .faq-a {
            max-height: 500px;
            padding: 1rem 1.5rem 1.2rem;
            border-top: 1px solid var(--border);
        }
        .cta-section {
            background: linear-gradient(135deg, #fef9f4 0%, #fdf3e8 40%, #fefaf6 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid #f0dcc8;
            margin: 2rem 0;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #1a1a1a;
        }
        .footer {
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 2.5rem 0 1.8rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.8rem;
            margin-bottom: 1.8rem;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #1a1a1a;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-lighter);
            text-decoration: none;
            padding: 0.2rem 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.78rem;
            color: #aaa;
            border-top: 1px solid var(--border);
            padding-top: 1.5rem;
        }
        .version-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .version-card.recommended {
            border: 2px solid var(--accent);
            box-shadow: 0 4px 24px rgba(210, 100, 40, 0.13);
        }
        .rec-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .version-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0.8rem 0;
        }
        .version-card .price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            margin: 0.8rem 0;
        }
        .version-card .price span {
            font-size: 0.9rem;
            font-weight: 500;
        }
        .version-card ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-lighter);
            text-align: left;
            display: inline-block;
        }
        .version-card ul li {
            padding: 0.35rem 0;
        }
        .version-card ul li::before {
            content: '✓ ';
            color: #4a9c3f;
            font-weight: bold;
        }
    </style>