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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: #333;
            background: #fff;
        }

        .sge7h-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .sge7h-nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            height: 70px;
        }

        .sge7h-logo img {
            height: 40px;
            width: auto;
        }

        .sge7h-menu-toggle {
            display: none;
            flex-direction: column;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .sge7h-menu-toggle span {
            width: 25px;
            height: 3px;
            background: #333;
            margin: 3px 0;
            transition: 0.3s;
        }

        .sge7h-nav-menu {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .sge7h-nav-menu a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .sge7h-nav-menu a:hover {
            color: #007bff;
        }

        .sge7h-nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            right: 0;
            height: 2px;
            background: #007bff;
        }

        .sge7h-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }

        .sge7h-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .sge7h-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('images/hero.jpg') center/cover;
            opacity: 0.2;
            z-index: 1;
        }

        .sge7h-hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .sge7h-hero-text h1 {
            font-size: 3.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .sge7h-hero-text p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .sge7h-hero-buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .sge7h-btn {
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .sge7h-btn-primary {
            background: #fff;
            color: #667eea;
        }

        .sge7h-btn-primary:hover {
            background: #f8f9fa;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        .sge7h-btn-secondary {
            background: transparent;
            color: #fff;
            border: 2px solid #fff;
        }

        .sge7h-btn-secondary:hover {
            background: #fff;
            color: #667eea;
        }

        .sge7h-hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .sge7h-hero-image {
            width: 100%;
            max-width: 500px;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .sge7h-stats {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 40px 0;
            margin-top: 60px;
        }

        .sge7h-stats-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .sge7h-stat-item h3 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .sge7h-stat-item p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
        }

        .sge7h-features {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .sge7h-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .sge7h-section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .sge7h-section-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 20px;
        }

        .sge7h-section-header p {
            font-size: 1.2rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .sge7h-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }

        .sge7h-feature-card {
            background: #fff;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .sge7h-feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .sge7h-feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            display: block;
        }

        .sge7h-feature-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 15px;
        }

        .sge7h-feature-card p {
            color: #666;
            line-height: 1.6;
        }

        .sge7h-products {
            padding: 100px 0;
            background: #fff;
        }

        .sge7h-products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .sge7h-product-card {
            background: #fff;
            border: 2px solid #e9ecef;
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .sge7h-product-card:hover {
            border-color: #007bff;
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 123, 255, 0.1);
        }

        .sge7h-product-highlight {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: #007bff;
            color: #fff;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .sge7h-product-card h3 {
            font-size: 1.8rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 20px;
        }

        .sge7h-product-card p {
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .sge7h-scenarios {
            padding: 100px 0;
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        }

        .sge7h-scenarios h2 {
            color: #fff;
        }

        .sge7h-scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .sge7h-scenario-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            transition: transform 0.3s ease;
        }

        .sge7h-scenario-card:hover {
            transform: translateY(-10px);
        }

        .sge7h-scenario-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            display: block;
        }

        .sge7h-scenario-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 15px;
        }

        .sge7h-scenario-card p {
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
        }

        .sge7h-tech {
            padding: 100px 0;
            background: #fff;
        }

        .sge7h-tech-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 60px;
        }

        .sge7h-tech-content h3 {
            font-size: 1.8rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 20px;
        }

        .sge7h-tech-content p {
            color: #666;
            line-height: 1.6;
            margin-bottom: 30px;
        }

        .sge7h-tech-image {
            width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .sge7h-testimonials {
            padding: 100px 0;
            background: #f8f9fa;
        }

        .sge7h-testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .sge7h-testimonial-card {
            background: #fff;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .sge7h-testimonial-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .sge7h-testimonial-avatar {
            font-size: 2.5rem;
        }

        .sge7h-testimonial-info h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 5px;
        }

        .sge7h-testimonial-info p {
            color: #666;
            font-size: 0.9rem;
        }

        .sge7h-testimonial-content {
            color: #555;
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .sge7h-testimonial-rating {
            color: #ffc107;
            font-size: 1.2rem;
        }

        .sge7h-download {
            padding: 100px 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            position: relative;
        }

        .sge7h-download::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('images/download.jpg') center/cover;
            opacity: 0.1;
        }

        .sge7h-download h2 {
            color: #fff;
        }

        .sge7h-download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 60px;
            position: relative;
            z-index: 2;
        }

        .sge7h-download-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 30px;
            text-align: center;
            transition: transform 0.3s ease;
        }

        .sge7h-download-card:hover {
            transform: translateY(-10px);
        }

        .sge7h-download-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            display: block;
        }

        .sge7h-download-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .sge7h-download-info {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        .sge7h-download-features {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            margin-bottom: 25px;
        }

        .sge7h-footer {
            background: #1a1a1a;
            color: #fff;
            padding: 60px 0 30px;
        }

        .sge7h-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .sge7h-footer-section h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: #fff;
        }

        .sge7h-footer-section p,
        .sge7h-footer-section a {
            color: #ccc;
            text-decoration: none;
            line-height: 1.8;
            transition: color 0.3s ease;
        }

        .sge7h-footer-section a:hover {
            color: #007bff;
        }

        .sge7h-footer-bottom {
            border-top: 1px solid #333;
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            color: #999;
        }

        @media (max-width: 768px) {
            .sge7h-menu-toggle {
                display: flex;
            }

            .sge7h-nav-menu {
                display: none;
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }

            .sge7h-nav-menu.active {
                display: flex;
            }

            .sge7h-hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }

            .sge7h-hero-text h1 {
                font-size: 2.5rem;
            }

            .sge7h-hero-buttons {
                justify-content: center;
            }

            .sge7h-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .sge7h-features-grid {
                grid-template-columns: 1fr;
            }

            .sge7h-tech-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .sge7h-section-header h2 {
                font-size: 2rem;
            }

            .sge7h-testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .sge7h-hero-text h1 {
                font-size: 2rem;
            }

            .sge7h-stats-grid {
                grid-template-columns: 1fr;
            }

            .sge7h-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }