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

        html, 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, #667eea 0%, #764ba2 100%);
            padding: 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .es0fw-navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: bold;
            font-size: 20px;
            color: white;
        }

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

        .es0fw-navbar-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .es0fw-nav-link {
            color: white;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.3s ease;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .es0fw-nav-link:hover {
            opacity: 0.8;
            border-bottom-color: #fff;
        }

        /* 主容器 */
        .es0fw-main-wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 英雄区 */
        .es0fw-hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
            margin-bottom: 60px;
            border-radius: 10px;
            margin-top: 40px;
        }

        .es0fw-hero-title {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .es0fw-hero-subtitle {
            font-size: 18px;
            margin-bottom: 30px;
            opacity: 0.95;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .es0fw-cta-button {
            display: inline-block;
            background-color: #ff6b6b;
            color: white;
            padding: 16px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
        }

        .es0fw-cta-button:hover {
            background-color: #ff5252;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
        }

        /* 下载区域 */
        .es0fw-download-section {
            background: white;
            padding: 60px 20px;
            border-radius: 10px;
            margin-bottom: 60px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .es0fw-section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: center;
            color: #333;
        }

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

        .es0fw-download-card {
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .es0fw-download-card:hover {
            border-color: #667eea;
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
            transform: translateY(-5px);
        }

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

        .es0fw-card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: #333;
        }

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

        .es0fw-card-info {
            font-size: 12px;
            color: #999;
            margin-bottom: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .es0fw-card-info-item {
            margin-bottom: 8px;
        }

        .es0fw-card-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 12px 20px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            display: inline-block;
        }

        .es0fw-card-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        /* 安装步骤 */
        .es0fw-steps-section {
            background: white;
            padding: 60px 20px;
            border-radius: 10px;
            margin-bottom: 60px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .es0fw-steps-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .es0fw-step-item {
            display: flex;
            gap: 30px;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #e9ecef;
        }

        .es0fw-step-item:last-child {
            border-bottom: none;
        }

        .es0fw-step-number {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 24px;
            flex-shrink: 0;
        }

        .es0fw-step-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }

        .es0fw-step-content p {
            color: #666;
            line-height: 1.8;
            margin-bottom: 10px;
        }

        /* 系统要求 */
        .es0fw-requirements-section {
            background: #f8f9fa;
            padding: 60px 20px;
            border-radius: 10px;
            margin-bottom: 60px;
        }

        .es0fw-req-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            max-width: 1000px;
            margin: 40px auto 0;
        }

        .es0fw-req-card {
            background: white;
            padding: 25px;
            border-radius: 8px;
            border-left: 4px solid #667eea;
        }

        .es0fw-req-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }

        .es0fw-req-card ul {
            list-style: none;
        }

        .es0fw-req-card li {
            padding: 6px 0;
            color: #666;
            font-size: 14px;
        }

        .es0fw-req-card li:before {
            content: "✓ ";
            color: #667eea;
            font-weight: bold;
            margin-right: 8px;
        }

        /* FAQ */
        .es0fw-faq-section {
            background: white;
            padding: 60px 20px;
            border-radius: 10px;
            margin-bottom: 60px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
        }

        .es0fw-faq-container {
            max-width: 800px;
            margin: 40px auto 0;
        }

        .es0fw-faq-item {
            margin-bottom: 20px;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            overflow: hidden;
        }

        .es0fw-faq-question {
            background: #f8f9fa;
            padding: 20px;
            cursor: pointer;
            font-weight: 600;
            color: #333;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .es0fw-faq-question:hover {
            background: #e9ecef;
        }

        .es0fw-faq-icon {
            font-size: 20px;
            color: #667eea;
        }

        .es0fw-faq-answer {
            padding: 20px;
            color: #666;
            line-height: 1.8;
            display: none;
            background: white;
        }

        .es0fw-faq-answer.active {
            display: block;
        }

        /* 页脚 */
        .es0fw-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 50px 20px 30px;
            margin-top: 80px;
        }

        .es0fw-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .es0fw-footer-section h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            color: white;
        }

        .es0fw-footer-section ul {
            list-style: none;
        }

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

        .es0fw-footer-section a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 14px;
        }

        .es0fw-footer-section a:hover {
            color: white;
        }

        .es0fw-footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 14px;
        }

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

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

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

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

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

            .es0fw-step-item {
                flex-direction: column;
                gap: 15px;
            }

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

            .es0fw-download-section,
            .es0fw-steps-section,
            .es0fw-faq-section {
                padding: 40px 20px;
            }
        }