* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
            color: white;
            padding: 30px 0;
            text-align: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .logo span {
            color: #ffd700;
        }
        
        .tagline {
            font-size: 18px;
            margin-bottom: 20px;
            opacity: 0.9;
        }
        
        /* 主标题样式 */
        .main-title {
            text-align: center;
            padding: 40px 0 30px;
            background-color: white;
            margin-bottom: 30px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        
        .main-title h1 {
            font-size: 32px;
            color: #1a73e8;
            margin-bottom: 15px;
        }
        
        .main-title p {
            font-size: 18px;
            color: #555;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 内容区域样式 */
        .content-section {
            background-color: white;
            border-radius: 8px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .section-title {
            font-size: 28px;
            color: #1a73e8;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #eee;
        }
        
        .highlight-box {
            background-color: #f0f7ff;
            border-left: 5px solid #1a73e8;
            padding: 25px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .feature-item {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            border-top: 4px solid #1a73e8;
        }
        
        .feature-item h3 {
            color: #1a73e8;
            margin-bottom: 10px;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #1a73e8, #0d47a1);
            color: white;
            padding: 14px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 18px;
            margin-top: 20px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(26, 115, 232, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(26, 115, 232, 0.4);
        }
        
        .cta-section {
            text-align: center;
            padding: 50px 0;
            background: linear-gradient(135deg, #f0f7ff 0%, #e3f2fd 100%);
            border-radius: 12px;
            margin: 40px 0;
        }
        
        .cta-title {
            font-size: 32px;
            color: #1a73e8;
            margin-bottom: 20px;
        }
        
        .keywords {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin: 20px 0 30px;
        }
        
        .keyword {
            background-color: #e3f2fd;
            color: #1a73e8;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: bold;
        }
        
        /* 页脚样式 */
        footer {
            background-color: #333;
            color: #ccc;
            padding: 40px 0 20px;
            text-align: center;
            margin-top: 50px;
        }
        
        .footer-logo {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
            color: white;
        }
        
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 14px;
            color: #aaa;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .main-title h1 {
                font-size: 26px;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .content-section {
                padding: 25px;
            }
            
            .feature-list {
                grid-template-columns: 1fr;
            }
            
            .cta-title {
                font-size: 26px;
            }
        }
        /* 导航栏样式 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
            color: white;
            padding: 0 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            z-index: 1000;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .nav-logo {
            font-size: 24px;
            font-weight: bold;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .nav-logo span {
            color: #ffd700;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 25px;
            margin: 0;
            padding: 0;
        }
        
        .nav-menu a {
            color: white;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        
        .nav-menu .active {
            background: rgba(255, 255, 255, 0.15);
            font-weight: bold;
        }
        
        /* 调整原有样式，为导航栏留出空间 */
        body {
            margin: 0;
            padding: 0;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            padding-top: 70px; /* 为固定导航栏留出空间 */
        }
        
        /* 原有样式保持不变 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
            color: white;
            padding: 30px 0;
            text-align: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .logo span {
            color: #ffd700;
        }
        
        .tagline {
            font-size: 18px;
            margin-bottom: 20px;
            opacity: 0.9;
        }
        
        /* 主标题样式 */
        .main-title {
            text-align: center;
            padding: 40px 0 30px;
            background-color: white;
            margin-bottom: 30px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        
        .main-title h1 {
            font-size: 32px;
            color: #1a73e8;
            margin-bottom: 15px;
        }
        
        .main-title p {
            font-size: 18px;
            color: #555;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 内容区域样式 */
        .content-section {
            background-color: white;
            border-radius: 8px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .section-title {
            font-size: 28px;
            color: #1a73e8;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #eee;
        }
        
        .highlight-box {
            background-color: #f0f7ff;
            border-left: 5px solid #1a73e8;
            padding: 25px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .feature-item {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            border-top: 4px solid #1a73e8;
        }
        
        .feature-item h3 {
            color: #1a73e8;
            margin-bottom: 10px;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #1a73e8, #0d47a1);
            color: white;
            padding: 14px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 18px;
            margin-top: 20px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(26, 115, 232, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(26, 115, 232, 0.4);
        }
        
        .cta-section {
            text-align: center;
            padding: 50px 0;
            background: linear-gradient(135deg, #f0f7ff 0%, #e3f2fd 100%);
            border-radius: 12px;
            margin: 40px 0;
        }
        
        .cta-title {
            font-size: 32px;
            color: #1a73e8;
            margin-bottom: 20px;
        }
        
        .keywords {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin: 20px 0 30px;
        }
        
        .keyword {
            background-color: #e3f2fd;
            color: #1a73e8;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: bold;
        }
        
        /* 页脚样式 */
        footer {
            background-color: #333;
            color: #ccc;
            padding: 40px 0 20px;
            text-align: center;
            margin-top: 50px;
        }
        
        .footer-logo {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
            color: white;
        }
        
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 14px;
            color: #aaa;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .navbar {
                height: 60px;
                padding: 0 15px;
            }
            
            .nav-logo {
                font-size: 20px;
            }
            
            .nav-menu {
                gap: 10px;
            }
            
            .nav-menu a {
                font-size: 14px;
                padding: 6px 10px;
            }
            
            body {
                padding-top: 60px;
            }
            
            header {
                margin-top: 60px;
                padding: 20px 0;
            }
            
            .main-title h1 {
                font-size: 26px;
            }
            
            .section-title {
                font-size: 24px;
            }
            
            .content-section {
                padding: 25px;
            }
            
            .feature-list {
                grid-template-columns: 1fr;
            }
            
            .cta-title {
                font-size: 26px;
            }
        }
        
        @media (max-width: 480px) {
            .nav-menu {
                display: none; /* 移动端隐藏复杂导航 */
            }
            
            .nav-logo {
                font-size: 18px;
            }
            
            .logo {
                font-size: 22px;
            }
            
            .tagline {
                font-size: 14px;
            }
            
            .keyword {
                font-size: 10px;
                padding: 3px 8px;
            }
        }
        
        /* 汉堡菜单（移动端） */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
        }
        
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                display: none;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
                z-index: 999;
            }
            
            .nav-menu.active {
                display: flex;
            }
        }
        /* 产品介绍新增样式 */
        /* 产品介绍新增样式 */
        .product-status-section {
            background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
            border-radius: 15px;
            padding: 40px;
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            border-top: 5px solid #1a73e8;
        }
        
        .status-grid-wrapper {
            margin: 35px 0;
        }
        
        /* 第一行：2个卡片 */
        .row-two-cards {
            display: flex;
            justify-content: center; /* 水平居中 */
            gap: 25px;
            margin-bottom: 25px;
            flex-wrap: wrap; /* 响应式时换行 */
        }
        
        /* 第二行：3个卡片 */
        .row-three-cards {
            display: flex;
            justify-content: center; /* 水平居中 */
            gap: 25px;
            flex-wrap: wrap; /* 响应式时换行 */
        }
        
        /* 卡片通用样式 */
        .status-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 4px solid;
            transition: transform 0.3s ease;
        }
        
        .status-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        /* 卡片宽度控制 - 第一行2个 */
        .row-two-cards .status-card {
            flex: 0 1 calc(50% - 13px); /* 每行2个，考虑gap */
            max-width: 500px; /* 限制最大宽度 */
            min-width: 300px; /* 最小宽度 */
        }
        
        /* 卡片宽度控制 - 第二行3个 */
        .row-three-cards .status-card {
            flex: 0 1 calc(33.333% - 17px); /* 每行3个，考虑gap */
            max-width: 380px; /* 限制最大宽度 */
            min-width: 250px; /* 最小宽度 */
        }
        
        /* 状态卡片颜色 */
        .status-card.active {
            border-top-color: #2ecc71;
        }
        
        .status-card.silent {
            border-top-color: #f39c12;
        }
        
        .status-card.risk {
            border-top-color: #e74c3c;
        }
        
        .status-card.paused {
            border-top-color: #95a5a6;
        }
        
        .status-card.empty {
            border-top-color: #7f8c8d;
        }
        
        .status-icon {
            font-size: 32px;
            margin-bottom: 15px;
            display: inline-block;
            width: 60px;
            height: 60px;
            line-height: 60px;
            text-align: center;
            border-radius: 50%;
            color: white;
            font-weight: bold;
        }
        
        .status-icon.active {
            background: linear-gradient(135deg, #2ecc71, #27ae60);
        }
        
        .status-icon.silent {
            background: linear-gradient(135deg, #f39c12, #e67e22);
        }
        
        .status-icon.risk {
            background: linear-gradient(135deg, #e74c3c, #c0392b);
        }
        
        .status-icon.paused {
            background: linear-gradient(135deg, #95a5a6, #7f8c8d);
        }
        
        .status-icon.empty {
            background: linear-gradient(135deg, #34495e, #2c3e50);
        }
        
        .status-name {
            font-size: 22px;
            color: #2c3e50;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .status-description {
            color: #555;
            line-height: 1.6;
            margin-bottom: 15px;
        }
        
        .status-tip {
            font-size: 14px;
            color: #666;
            padding: 10px 15px;
            background: #f8f9fa;
            border-radius: 8px;
            border-left: 3px solid #ddd;
            margin-top: 15px;
        }
        
        .accuracy-badge {
            display: inline-block;
            background: linear-gradient(135deg, #1a73e8, #0d47a1);
            color: white;
            padding: 8px 20px;
            border-radius: 25px;
            font-size: 18px;
            font-weight: bold;
            margin: 20px 0;
            box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
        }
        
        /* 响应式设计 */
        @media (max-width: 1100px) {
            .row-three-cards .status-card {
                flex: 0 1 calc(50% - 13px); /* 中等屏幕2个一行 */
                max-width: 450px;
            }
        }
        
        @media (max-width: 768px) {
            .product-status-section {
                padding: 25px;
            }
            
            .row-two-cards .status-card,
            .row-three-cards .status-card {
                flex: 0 1 100%; /* 小屏幕1个一行 */
                max-width: 100%;
                min-width: auto;
            }
            
            .status-card {
                padding: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .row-two-cards,
            .row-three-cards {
                gap: 15px;
            }
        }