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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: #fef7f0;
            color: #333;
            line-height: 1.6;
        }

        /* 顶部导航 */
        .header {
            background: white;
            padding: 12px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: #666;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-menu a:hover {
            color: #ff6b35;
        }

        .nav-actions {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .btn-login {
            padding: 8px 20px;
            border: 1px solid #ddd;
            border-radius: 20px;
            text-decoration: none;
            color: #666;
            transition: all 0.3s;
        }

        .btn-login:hover {
            border-color: #ff6b35;
            color: #ff6b35;
        }

        .btn-primary {
            padding: 8px 20px;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            color: white;
            border: none;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 500;
            transition: transform 0.3s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
        }

        /* 主标题区域 */
        .hero-section {
            text-align: center;
            padding: 60px 20px 40px;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .hero-cta {
            display: inline-block;
            padding: 15px 40px;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.3s;
            margin-bottom: 50px;
        }

        .hero-cta:hover {
            transform: translateY(-3px);
        }

        /* 内容区域 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            margin-bottom: 80px;
        }

        .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 50px;
            color: #333;
        }

        /* 功能卡片网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .feature-card {
            background: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #f0f0f0;
        }

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

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: white;
            font-size: 1.5rem;
        }

        .feature-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }

        .feature-description {
            color: #666;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            padding: 4px 12px;
            background: #fff2ed;
            color: #ff6b35;
            border-radius: 12px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* 人物卡片区域 */
        .people-section {
            margin-bottom: 60px;
        }

        .people-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .person-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }

        .person-card:hover {
            transform: translateY(-5px);
        }

        .person-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 0.9rem;
        }

        .person-content {
            padding: 20px;
        }

        .person-name {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #333;
        }

        .person-description {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* 图片展示区域 */
        .showcase-section {
            margin-bottom: 80px;
        }

        .showcase-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 50px;
            color: #333;
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .showcase-item {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }

        .showcase-item:hover {
            transform: translateY(-5px);
        }

        .showcase-image {
            width: 100%;
            height: 250px;
            background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 0.9rem;
        }

        .showcase-content {
            padding: 25px;
        }

        .showcase-item-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }

        .showcase-description {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* 双列图片布局 */
        .double-image-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 30px;
        }

        .double-image-item {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        .double-image {
            width: 100%;
            height: 180px;
            background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 0.8rem;
        }

        /* 底部信息区域 */
        .info-section {
            background: white;
            border-radius: 20px;
            padding: 50px;
            margin: 60px 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .info-item h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }

        .info-item p {
            color: #666;
            line-height: 1.7;
            margin-bottom: 10px;
        }

        /* 立即体验区域 */
        .cta-section {
            text-align: center;
            background: white;
            border-radius: 20px;
            padding: 60px 40px;
            margin: 60px 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 30px;
            color: #333;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }

        .cta-btn {
            padding: 15px 30px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.3s;
        }

        .cta-btn-primary {
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            color: white;
        }

        .cta-btn-secondary {
            background: white;
            color: #ff6b35;
            border: 2px solid #ff6b35;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
        }

        /* 页脚 */
        .footer {
            background: #333;
            color: white;
            text-align: center;
            padding: 40px 20px;
            margin-top: 80px;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ff6b35, #f7931e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: #ff6b35;
        }

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

            .hero-title {
                font-size: 2rem;
            }

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

            .people-grid {
                grid-template-columns: 1fr;
            }

            .showcase-grid {
                grid-template-columns: 1fr;
            }

            .double-image-grid {
                grid-template-columns: 1fr;
            }

            .info-section {
                padding: 30px 20px;
            }

            .cta-section {
                padding: 40px 20px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .footer-links {
                flex-direction: column;
                gap: 15px;
            }
        }