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

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

        /* 导航栏 */
        .eb31-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .eb31-navbar-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .eb31-logo img {
            height: 40px;
            width: auto;
        }

        .eb31-nav-menu {
            display: flex;
            list-style: none;
            gap: 40px;
            align-items: center;
        }

        .eb31-nav-item a {
            color: #333;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .eb31-nav-item a:hover {
            color: #0084ff;
        }

        .eb31-nav-item a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #0084ff;
            transition: width 0.3s ease;
        }

        .eb31-nav-item a:hover::after {
            width: 100%;
        }

        .eb31-download-btn {
            background: linear-gradient(135deg, #0084ff 0%, #0066cc 100%);
            color: white;
            padding: 10px 24px;
            border-radius: 25px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 132, 255, 0.3);
        }

        .eb31-download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 132, 255, 0.4);
        }

        /* Hero 区域 */
        .eb31-hero-section {
            margin-top: 70px;
            background: linear-gradient(135deg, #f5f8ff 0%, #e8f2ff 100%);
            min-height: 680px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .eb31-hero-bg-pattern {
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 132, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .eb31-hero-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 10;
        }

        .eb31-hero-content h1 {
            font-size: 56px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #0a0e27;
        }

        .eb31-hero-content h1 .eb31-gradient-text {
            background: linear-gradient(120deg, #0084ff 0%, #00d4ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .eb31-hero-subtitle {
            font-size: 18px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .eb31-hero-features-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }

        .eb31-hero-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            color: #333;
        }

        .eb31-feature-icon {
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, #0084ff 0%, #00d4ff 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 12px;
            flex-shrink: 0;
        }

        .eb31-hero-cta-group {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .eb31-primary-btn {
            background: linear-gradient(135deg, #0084ff 0%, #0066cc 100%);
            color: white;
            padding: 16px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(0, 132, 255, 0.35);
        }

        .eb31-primary-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 132, 255, 0.45);
        }

        .eb31-secondary-btn {
            background: white;
            color: #0084ff;
            padding: 16px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid #0084ff;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .eb31-secondary-btn:hover {
            background: #f0f8ff;
            transform: translateY(-3px);
        }

        .eb31-hero-image {
            position: relative;
            height: 450px;
        }

        .eb31-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 132, 255, 0.25);
        }

        /* 统计数据区 */
        .eb31-stats-section {
            background: white;
            padding: 80px 40px;
            border-top: 1px solid #f0f0f0;
        }

        .eb31-stats-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .eb31-stat-card {
            padding: 30px;
            border-radius: 15px;
            background: linear-gradient(135deg, #f5f8ff 0%, #e8f2ff 100%);
            transition: all 0.3s ease;
        }

        .eb31-stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 132, 255, 0.15);
        }

        .eb31-stat-number {
            font-size: 42px;
            font-weight: 700;
            background: linear-gradient(135deg, #0084ff 0%, #00d4ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .eb31-stat-label {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* 功能特性区 */
        .eb31-features-section {
            background: linear-gradient(180deg, #f9fbff 0%, #ffffff 100%);
            padding: 100px 40px;
        }

        .eb31-features-header {
            max-width: 1400px;
            margin: 0 auto;
            text-align: center;
            margin-bottom: 60px;
        }

        .eb31-section-title {
            font-size: 40px;
            font-weight: 700;
            color: #0a0e27;
            margin-bottom: 15px;
        }

        .eb31-section-subtitle {
            font-size: 18px;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .eb31-features-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .eb31-feature-card {
            background: white;
            padding: 40px 30px;
            border-radius: 15px;
            border: 1px solid #f0f0f0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .eb31-feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #0084ff 0%, #00d4ff 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .eb31-feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
            border-color: #e0e8ff;
        }

        .eb31-feature-card:hover::before {
            transform: scaleX(1);
        }

        .eb31-feature-card-icon {
            font-size: 40px;
            margin-bottom: 20px;
        }

        .eb31-feature-card-title {
            font-size: 20px;
            font-weight: 600;
            color: #0a0e27;
            margin-bottom: 12px;
        }

        .eb31-feature-card-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
        }

        /* 产品展示区 */
        .eb31-products-section {
            background: white;
            padding: 100px 40px;
            border-top: 1px solid #f0f0f0;
        }

        .eb31-products-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .eb31-product-card {
            background: linear-gradient(135deg, #f5f8ff 0%, #e8f2ff 100%);
            padding: 40px;
            border-radius: 15px;
            border: 1px solid rgba(0, 132, 255, 0.1);
            transition: all 0.3s ease;
            position: relative;
        }

        .eb31-product-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .eb31-product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(0, 132, 255, 0.15);
        }

        .eb31-product-name {
            font-size: 22px;
            font-weight: 700;
            color: #0a0e27;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .eb31-product-highlight {
            display: inline-block;
            background: linear-gradient(135deg, #0084ff 0%, #00d4ff 100%);
            color: white;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }

        .eb31-product-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        /* 使用场景区 */
        .eb31-scenarios-section {
            background: linear-gradient(180deg, #f9fbff 0%, #ffffff 100%);
            padding: 100px 40px;
        }

        .eb31-scenarios-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .eb31-scenario-card {
            background: white;
            padding: 35px;
            border-radius: 12px;
            border: 1px solid #f0f0f0;
            transition: all 0.3s ease;
        }

        .eb31-scenario-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
            border-color: #e0e8ff;
        }

        .eb31-scenario-icon {
            font-size: 32px;
            margin-bottom: 15px;
        }

        .eb31-scenario-title {
            font-size: 18px;
            font-weight: 600;
            color: #0a0e27;
            margin-bottom: 10px;
        }

        .eb31-scenario-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
        }

        /* 技术优势区 */
        .eb31-tech-section {
            background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
            color: white;
            padding: 100px 40px;
        }

        .eb31-tech-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-tech-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .eb31-tech-header .eb31-section-title {
            color: white;
        }

        .eb31-tech-header .eb31-section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .eb31-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .eb31-tech-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            padding: 40px 30px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .eb31-tech-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(0, 212, 255, 0.3);
            transform: translateY(-5px);
        }

        .eb31-tech-card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .eb31-tech-card-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
        }

        /* 合作伙伴区 */
        .eb31-partners-section {
            background: white;
            padding: 100px 40px;
            border-top: 1px solid #f0f0f0;
        }

        .eb31-partners-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-partners-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .eb31-partner-card {
            background: linear-gradient(135deg, #f5f8ff 0%, #e8f2ff 100%);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid rgba(0, 132, 255, 0.1);
            transition: all 0.3s ease;
        }

        .eb31-partner-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 132, 255, 0.1);
        }

        .eb31-partner-type {
            display: inline-block;
            background: linear-gradient(135deg, #0084ff 0%, #00d4ff 100%);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .eb31-partner-name {
            font-size: 18px;
            font-weight: 600;
            color: #0a0e27;
            margin-bottom: 10px;
        }

        .eb31-partner-desc {
            font-size: 13px;
            color: #666;
            line-height: 1.7;
        }

        /* 用户评价区 */
        .eb31-testimonials-section {
            background: linear-gradient(180deg, #f9fbff 0%, #ffffff 100%);
            padding: 100px 40px;
        }

        .eb31-testimonials-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .eb31-testimonial-card {
            background: white;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid #f0f0f0;
            transition: all 0.3s ease;
        }

        .eb31-testimonial-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
            border-color: #e0e8ff;
        }

        .eb31-testimonial-rating {
            margin-bottom: 15px;
        }

        .eb31-star {
            color: #ffc107;
            font-size: 16px;
        }

        .eb31-testimonial-content {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .eb31-testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 15px;
            border-top: 1px solid #f0f0f0;
        }

        .eb31-author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0084ff 0%, #00d4ff 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
        }

        .eb31-author-info {
            flex: 1;
        }

        .eb31-author-name {
            font-size: 14px;
            font-weight: 600;
            color: #0a0e27;
        }

        .eb31-author-title {
            font-size: 12px;
            color: #999;
        }

        /* 新闻资讯区 */
        .eb31-news-section {
            background: white;
            padding: 100px 40px;
            border-top: 1px solid #f0f0f0;
        }

        .eb31-news-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .eb31-news-card {
            background: linear-gradient(135deg, #f5f8ff 0%, #e8f2ff 100%);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid rgba(0, 132, 255, 0.1);
            transition: all 0.3s ease;
        }

        .eb31-news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 132, 255, 0.1);
        }

        .eb31-news-date {
            font-size: 12px;
            color: #0084ff;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .eb31-news-title {
            font-size: 16px;
            font-weight: 600;
            color: #0a0e27;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .eb31-news-summary {
            font-size: 13px;
            color: #666;
            line-height: 1.7;
        }

        /* CTA区 */
        .eb31-cta-section {
            background: linear-gradient(135deg, #0084ff 0%, #0066cc 100%);
            color: white;
            padding: 80px 40px;
            text-align: center;
        }

        .eb31-cta-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .eb31-cta-title {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .eb31-cta-subtitle {
            font-size: 18px;
            opacity: 0.9;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .eb31-cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .eb31-cta-btn {
            padding: 16px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid white;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .eb31-cta-btn-primary {
            background: white;
            color: #0084ff;
        }

        .eb31-cta-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        .eb31-cta-btn-secondary {
            background: transparent;
            color: white;
        }

        .eb31-cta-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        /* 页脚 */
        .eb31-footer {
            background: #0a0e27;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 40px 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .eb31-footer-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .eb31-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .eb31-footer-column h3 {
            color: white;
            font-size: 16px;
            margin-bottom: 15px;
        }

        .eb31-footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .eb31-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .eb31-footer-links a:hover {
            color: white;
        }

        .eb31-footer-brand {
            color: white;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .eb31-footer-slogan {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .eb31-footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 40px 0;
        }

        .eb31-footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .eb31-footer-copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .eb31-footer-social {
            display: flex;
            gap: 20px;
        }

        .eb31-social-link {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .eb31-social-link:hover {
            color: white;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .eb31-navbar-container {
                padding: 0 20px;
                height: 60px;
            }

            .eb31-nav-menu {
                gap: 20px;
            }

            .eb31-nav-item a {
                font-size: 14px;
            }

            .eb31-hero-container {
                grid-template-columns: 1fr;
                padding: 0 20px;
                gap: 40px;
            }

            .eb31-hero-content h1 {
                font-size: 36px;
            }

            .eb31-hero-subtitle {
                font-size: 16px;
            }

            .eb31-hero-image {
                height: 300px;
            }

            .eb31-hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }

            .eb31-primary-btn,
            .eb31-secondary-btn {
                width: 100%;
                text-align: center;
            }

            .eb31-section-title {
                font-size: 32px;
            }

            .eb31-features-grid,
            .eb31-products-grid,
            .eb31-scenarios-grid,
            .eb31-tech-grid,
            .eb31-partners-grid,
            .eb31-testimonials-grid,
            .eb31-news-grid {
                grid-template-columns: 1fr;
            }

            .eb31-stats-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .eb31-cta-title {
                font-size: 32px;
            }

            .eb31-cta-buttons {
                flex-direction: column;
            }

            .eb31-cta-btn {
                width: 100%;
            }

            .eb31-footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }

            .eb31-footer-bottom {
                flex-direction: column-reverse;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .eb31-hero-content h1 {
                font-size: 28px;
            }

            .eb31-hero-subtitle {
                font-size: 14px;
            }

            .eb31-section-title {
                font-size: 26px;
            }

            .eb31-stats-container {
                grid-template-columns: 1fr;
            }

            .eb31-stat-number {
                font-size: 32px;
            }

            .eb31-cta-title {
                font-size: 26px;
            }

            .eb31-footer-grid {
                grid-template-columns: 1fr;
            }

            .eb31-nav-menu {
                gap: 15px;
            }

            .eb31-nav-item a {
                display: none;
            }

            .eb31-nav-item:last-child {
                display: block;
            }
        }