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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* 导航栏样式 */
        .es0fw-navbar {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            padding: 0 20px;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

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

        .es0fw-logo {
            display: flex;
            align-items: center;
            height: 50px;
        }

        .es0fw-logo img {
            height: 100%;
            width: auto;
        }

        .es0fw-nav-menu {
            display: flex;
            align-items: center;
            gap: 30px;
            list-style: none;
        }

        .es0fw-nav-link {
            color: #fff;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 8px 12px;
            border-radius: 4px;
        }

        .es0fw-nav-link:hover {
            color: #ffc107;
            background-color: rgba(255, 255, 255, 0.1);
        }

        /* 顶部英雄区域 */
        .es0fw-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
        }

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

        .es0fw-hero-title {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .es0fw-hero-subtitle {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.95;
            font-weight: 300;
        }

        /* 主内容区域 */
        .es0fw-main-content {
            max-width: 1200px;
            margin: -60px auto 0;
            padding: 0 20px;
            position: relative;
            z-index: 10;
        }

        /* 下载卡片 */
        .es0fw-download-card {
            background: white;
            border-radius: 12px;
            padding: 50px 40px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            margin-bottom: 60px;
        }

        .es0fw-download-title {
            font-size: 32px;
            font-weight: 700;
            color: #1e3c72;
            margin-bottom: 30px;
            text-align: center;
        }

        .es0fw-platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .es0fw-platform-item {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-radius: 10px;
            padding: 30px 20px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            cursor: pointer;
        }

        .es0fw-platform-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

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

        .es0fw-platform-name {
            font-size: 18px;
            font-weight: 600;
            color: #1e3c72;
            margin-bottom: 10px;
        }

        .es0fw-version-info {
            font-size: 13px;
            color: #666;
            margin-bottom: 15px;
        }

        .es0fw-file-size {
            font-size: 12px;
            color: #999;
            margin-bottom: 20px;
        }

        .es0fw-download-btn {
            display: inline-block;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 12px 28px;
            border: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .es0fw-download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
        }

        .es0fw-download-btn:active {
            transform: translateY(0);
        }

        /* 功能特性 */
        .es0fw-features-section {
            background: white;
            padding: 60px 20px;
            margin-bottom: 60px;
            border-radius: 12px;
        }

        .es0fw-section-title {
            font-size: 28px;
            font-weight: 700;
            color: #1e3c72;
            text-align: center;
            margin-bottom: 50px;
        }

        .es0fw-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .es0fw-feature-box {
            padding: 30px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .es0fw-feature-box:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }

        .es0fw-feature-icon {
            font-size: 36px;
            margin-bottom: 15px;
        }

        .es0fw-feature-title {
            font-size: 18px;
            font-weight: 600;
            color: #1e3c72;
            margin-bottom: 12px;
        }

        .es0fw-feature-description {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* 系统要求 */
        .es0fw-requirements-section {
            background: #f8f9fa;
            padding: 60px 20px;
            margin-bottom: 60px;
            border-radius: 12px;
        }

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

        .es0fw-requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .es0fw-requirement-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid #667eea;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .es0fw-requirement-label {
            font-size: 16px;
            font-weight: 600;
            color: #1e3c72;
            margin-bottom: 15px;
        }

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

        .es0fw-requirement-list li {
            padding: 8px 0;
            color: #666;
            font-size: 14px;
            display: flex;
            align-items: center;
        }

        .es0fw-requirement-list li:before {
            content: "✓";
            color: #667eea;
            font-weight: bold;
            margin-right: 10px;
            font-size: 16px;
        }

        /* CTA区域 */
        .es0fw-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
            border-radius: 12px;
            margin-bottom: 60px;
        }

        .es0fw-cta-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .es0fw-cta-description {
            font-size: 18px;
            margin-bottom: 40px;
            opacity: 0.95;
        }

        .es0fw-cta-btn-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .es0fw-cta-primary-btn {
            background: white;
            color: #667eea;
            padding: 16px 40px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .es0fw-cta-primary-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .es0fw-cta-secondary-btn {
            background: transparent;
            color: white;
            padding: 16px 40px;
            border: 2px solid white;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
        }

        .es0fw-cta-secondary-btn:hover {
            background: white;
            color: #667eea;
        }

        /* 页脚 */
        .es0fw-footer {
            background: #1e3c72;
            color: white;
            padding: 60px 20px 30px;
        }

        .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-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .es0fw-footer-links {
            list-style: none;
        }

        .es0fw-footer-links li {
            margin-bottom: 12px;
        }

        .es0fw-footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 14px;
        }

        .es0fw-footer-links a:hover {
            color: #ffc107;
        }

        .es0fw-footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            color: #999;
            font-size: 14px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .es0fw-hero-title {
                font-size: 32px;
            }

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

            .es0fw-download-card {
                padding: 30px 20px;
            }

            .es0fw-download-title {
                font-size: 24px;
            }

            .es0fw-nav-menu {
                gap: 15px;
                flex-wrap: wrap;
            }

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

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

            .es0fw-cta-btn-group {
                flex-direction: column;
            }

            .es0fw-cta-primary-btn,
            .es0fw-cta-secondary-btn {
                width: 100%;
            }

            .es0fw-platform-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
                gap: 15px;
            }
        }

        @media (max-width: 480px) {
            .es0fw-navbar-container {
                height: auto;
                padding: 15px 0;
            }

            .es0fw-nav-menu {
                flex-direction: column;
                gap: 10px;
                width: 100%;
            }

            .es0fw-hero {
                padding: 50px 20px;
            }

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

            .es0fw-download-card {
                padding: 20px;
                margin-bottom: 30px;
            }

            .es0fw-hero {
                margin-bottom: 60px;
            }
        }