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

        html, body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
            color: #202124;
            line-height: 1.6;
            background-color: #ffffff;
        }

        /* 导航栏样式 */
        .sw9d9n-navbar {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
            padding: 0.75rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .sw9d9n-navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .sw9d9n-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 600;
            font-size: 1.25rem;
            color: #1f2937;
            text-decoration: none;
        }

        .sw9d9n-logo img {
            height: 36px;
            width: auto;
        }

        .sw9d9n-nav-menu {
            display: flex;
            gap: 2rem;
            align-items: center;
            list-style: none;
        }

        .sw9d9n-nav-link {
            color: #4f46e5;
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 0.75rem;
            border-radius: 0.375rem;
        }

        .sw9d9n-nav-link:hover {
            color: #4338ca;
            background-color: rgba(99, 102, 241, 0.1);
        }

        /* 英雄区域 */
        .sw9d9n-hero {
            background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
            color: white;
            padding: 5rem 1.5rem;
            text-align: center;
        }

        .sw9d9n-hero-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .sw9d9n-hero-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .sw9d9n-hero-subtitle {
            font-size: 1.25rem;
            margin-bottom: 2rem;
            opacity: 0.95;
            line-height: 1.6;
        }

        .sw9d9n-cta-primary {
            background-color: #fbbf24;
            color: #1f2937;
            padding: 1rem 2.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            border: none;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 1rem;
        }

        .sw9d9n-cta-primary:hover {
            background-color: #f59e0b;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(251, 191, 36, 0.3);
        }

        .sw9d9n-cta-secondary {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 1rem 2.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            border: 2px solid white;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .sw9d9n-cta-secondary:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* 特性区域 */
        .sw9d9n-features {
            max-width: 1200px;
            margin: 0 auto;
            padding: 5rem 1.5rem;
        }

        .sw9d9n-section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 3rem;
            text-align: center;
            color: #1f2937;
        }

        .sw9d9n-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .sw9d9n-feature-card {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 0.75rem;
            border-left: 4px solid #4f46e5;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .sw9d9n-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(79, 70, 229, 0.15);
            background: #ffffff;
        }

        .sw9d9n-feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            display: inline-block;
        }

        .sw9d9n-feature-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: #1f2937;
        }

        .sw9d9n-feature-desc {
            color: #6b7280;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 更新日志区域 */
        .sw9d9n-changelog {
            background-color: #f3f4f6;
            padding: 5rem 1.5rem;
        }

        .sw9d9n-changelog-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .sw9d9n-changelog-list {
            list-style: none;
        }

        .sw9d9n-changelog-item {
            background: white;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-radius: 0.5rem;
            border-left: 4px solid #6366f1;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        }

        .sw9d9n-changelog-version {
            font-weight: 700;
            color: #4f46e5;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .sw9d9n-changelog-date {
            color: #9ca3af;
            font-size: 0.9rem;
            margin-bottom: 0.75rem;
        }

        .sw9d9n-changelog-text {
            color: #374151;
            line-height: 1.6;
        }

        /* 规格对比区域 */
        .sw9d9n-specs {
            max-width: 1200px;
            margin: 0 auto;
            padding: 5rem 1.5rem;
        }

        .sw9d9n-specs-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 2rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            border-radius: 0.5rem;
            overflow: hidden;
        }

        .sw9d9n-specs-table th {
            background-color: #4f46e5;
            color: white;
            padding: 1.25rem;
            text-align: left;
            font-weight: 600;
        }

        .sw9d9n-specs-table td {
            padding: 1.25rem;
            border-bottom: 1px solid #e5e7eb;
        }

        .sw9d9n-specs-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }

        .sw9d9n-specs-table tr:hover {
            background-color: #f0f1ff;
        }

        /* CTA区域 */
        .sw9d9n-cta-section {
            background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
            color: white;
            padding: 4rem 1.5rem;
            text-align: center;
        }

        .sw9d9n-cta-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .sw9d9n-cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .sw9d9n-cta-text {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        /* 页脚 */
        .sw9d9n-footer {
            background-color: #1f2937;
            color: #d1d5db;
            padding: 3rem 1.5rem;
        }

        .sw9d9n-footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .sw9d9n-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .sw9d9n-footer-section h3 {
            color: white;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .sw9d9n-footer-link {
            color: #d1d5db;
            text-decoration: none;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            display: block;
            transition: color 0.3s ease;
        }

        .sw9d9n-footer-link:hover {
            color: #4f46e5;
        }

        .sw9d9n-footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 2rem;
            text-align: center;
            color: #9ca3af;
            font-size: 0.9rem;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .sw9d9n-hero-title {
                font-size: 2rem;
            }

            .sw9d9n-hero-subtitle {
                font-size: 1rem;
            }

            .sw9d9n-cta-primary, .sw9d9n-cta-secondary {
                padding: 0.75rem 1.5rem;
                font-size: 0.95rem;
                display: block;
                width: 100%;
                margin-bottom: 1rem;
            }

            .sw9d9n-section-title {
                font-size: 1.5rem;
            }

            .sw9d9n-nav-menu {
                gap: 1rem;
            }

            .sw9d9n-nav-link {
                font-size: 0.85rem;
                padding: 0.5rem;
            }

            .sw9d9n-cta-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .sw9d9n-hero {
                padding: 3rem 1rem;
            }

            .sw9d9n-hero-title {
                font-size: 1.5rem;
            }

            .sw9d9n-features {
                padding: 3rem 1rem;
            }

            .sw9d9n-changelog {
                padding: 3rem 1rem;
            }

            .sw9d9n-specs {
                padding: 3rem 1rem;
            }

            .sw9d9n-specs-table {
                font-size: 0.9rem;
            }

            .sw9d9n-specs-table th, .sw9d9n-specs-table td {
                padding: 0.75rem;
            }
        }