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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }

        /* 导航栏样式 */
        .es0fw-navbar-wrapper {
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .es0fw-navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .es0fw-logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: white;
            font-size: 24px;
            font-weight: bold;
        }

        .es0fw-logo-img {
            height: 40px;
            width: auto;
        }

        .es0fw-nav-menu {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .es0fw-nav-link {
            color: white;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.3s ease;
            position: relative;
        }

        .es0fw-nav-link:hover {
            opacity: 0.8;
        }

        .es0fw-nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: white;
            transition: width 0.3s ease;
        }

        .es0fw-nav-link:hover::after {
            width: 100%;
        }

        /* 主Hero区域 */
        .es0fw-hero-section {
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 50%, #1565c0 100%);
            color: white;
            padding: 100px 20px;
            text-align: center;
            min-height: 600px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .es0fw-hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .es0fw-hero-h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .es0fw-hero-subtitle {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .es0fw-hero-desc {
            font-size: 16px;
            margin-bottom: 40px;
            opacity: 0.9;
            line-height: 1.8;
        }

        .es0fw-cta-primary {
            display: inline-block;
            background: #ffd700;
            color: #0d47a1;
            padding: 15px 40px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            margin: 0 10px 10px 0;
        }

        .es0fw-cta-primary:hover {
            background: #ffc700;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .es0fw-cta-secondary {
            display: inline-block;
            background: transparent;
            color: white;
            padding: 15px 40px;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid white;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .es0fw-cta-secondary:hover {
            background: white;
            color: #0d47a1;
        }

        /* 内容区域 */
        .es0fw-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 功能特性区域 */
        .es0fw-features-section {
            padding: 80px 20px;
            background: white;
            margin-top: 20px;
        }

        .es0fw-section-title {
            font-size: 36px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 50px;
            color: #1a73e8;
        }

        .es0fw-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .es0fw-feature-card {
            background: #f9f9f9;
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid #1a73e8;
            transition: all 0.3s ease;
        }

        .es0fw-feature-card:hover {
            box-shadow: 0 8px 25px rgba(26, 115, 232, 0.15);
            transform: translateY(-5px);
        }

        .es0fw-feature-icon {
            font-size: 40px;
            margin-bottom: 15px;
        }

        .es0fw-feature-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #1a73e8;
        }

        .es0fw-feature-text {
            color: #666;
            font-size: 14px;
            line-height: 1.8;
        }

        /* 下载区域 */
        .es0fw-download-section {
            padding: 80px 20px;
            background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
        }

        .es0fw-download-content {
            max-width: 1000px;
            margin: 0 auto;
        }

        .es0fw-download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .es0fw-download-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .es0fw-download-card:hover {
            box-shadow: 0 8px 25px rgba(26, 115, 232, 0.2);
            transform: translateY(-5px);
        }

        .es0fw-os-icon {
            font-size: 48px;
            margin-bottom: 15px;
        }

        .es0fw-os-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #1a73e8;
        }

        .es0fw-os-desc {
            font-size: 13px;
            color: #999;
            margin-bottom: 20px;
        }

        .es0fw-download-btn {
            display: inline-block;
            background: #1a73e8;
            color: white;
            padding: 10px 25px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            font-size: 14px;
        }

        .es0fw-download-btn:hover {
            background: #0d47a1;
            transform: scale(1.05);
        }

        /* 优势区域 */
        .es0fw-benefits-section {
            padding: 80px 20px;
            background: white;
        }

        .es0fw-benefits-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            max-width: 1100px;
            margin: 0 auto;
        }

        .es0fw-benefits-image {
            text-align: center;
            font-size: 100px;
            opacity: 0.8;
        }

        .es0fw-benefits-list {
            list-style: none;
        }

        .es0fw-benefit-item {
            margin-bottom: 25px;
            display: flex;
            gap: 15px;
        }

        .es0fw-benefit-check {
            color: #4caf50;
            font-size: 24px;
            flex-shrink: 0;
        }

        .es0fw-benefit-content h3 {
            font-size: 18px;
            color: #1a73e8;
            margin-bottom: 5px;
        }

        .es0fw-benefit-content p {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }

        /* 安全信息区域 */
        .es0fw-security-section {
            padding: 80px 20px;
            background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
        }

        .es0fw-security-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .es0fw-security-item {
            background: white;
            padding: 25px;
            margin-bottom: 20px;
            border-radius: 8px;
            border-left: 4px solid #ff9800;
        }

        .es0fw-security-item h3 {
            color: #ff9800;
            margin-bottom: 10px;
            font-size: 18px;
        }

        .es0fw-security-item p {
            color: #666;
            font-size: 14px;
            line-height: 1.8;
        }

        /* 关于公司区域 */
        .es0fw-about-section {
            padding: 80px 20px;
            background: white;
        }

        .es0fw-about-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .es0fw-about-text {
            font-size: 16px;
            line-height: 1.9;
            color: #555;
            margin-bottom: 20px;
        }

        .es0fw-highlight {
            background: #fff9c4;
            padding: 20px;
            border-left: 4px solid #fbc02d;
            border-radius: 4px;
            margin: 20px 0;
        }

        /* 页脚 */
        .es0fw-footer {
            background: #1a1a1a;
            color: white;
            padding: 50px 20px 20px;
            margin-top: 40px;
        }

        .es0fw-footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .es0fw-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .es0fw-footer-section h3 {
            font-size: 16px;
            margin-bottom: 15px;
            color: #ffd700;
        }

        .es0fw-footer-link {
            display: block;
            color: #ccc;
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }

        .es0fw-footer-link:hover {
            color: #ffd700;
        }

        .es0fw-footer-bottom {
            border-top: 1px solid #444;
            padding-top: 20px;
            text-align: center;
            color: #999;
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .es0fw-navbar-menu {
                display: none;
            }

            .es0fw-hero-h1 {
                font-size: 32px;
            }

            .es0fw-hero-subtitle {
                font-size: 16px;
            }

            .es0fw-section-title {
                font-size: 28px;
            }

            .es0fw-benefits-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .es0fw-features-grid {
                grid-template-columns: 1fr;
            }

            .es0fw-download-grid {
                grid-template-columns: 1fr;
            }

            .es0fw-cta-primary,
            .es0fw-cta-secondary {
                display: block;
                margin: 10px 0;
            }

            .es0fw-features-section,
            .es0fw-download-section,
            .es0fw-benefits-section,
            .es0fw-security-section,
            .es0fw-about-section {
                padding: 50px 20px;
            }
        }

        @media (max-width: 480px) {
            .es0fw-navbar-container {
                height: 60px;
            }

            .es0fw-hero-h1 {
                font-size: 24px;
            }

            .es0fw-hero-section {
                padding: 60px 20px;
                min-height: 400px;
            }

            .es0fw-section-title {
                font-size: 22px;
            }
        }