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

        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* 主色调和辅助色 */
        :root {
            --primary-color: #fee101; /* 主色调 */
            --secondary-color1: #9bc916; /* 辅助色1 */
            --secondary-color2: #f39800; /* 辅助色2 */
            --dark-color: #333;
            --light-color: #fff;
        }

        /* 第一屏16:9设计 */
        .hero-section {
            width: 100%;
            height: 56.25vw; /* 16:9 比例 */
            min-height: 500px; /* 最小高度确保在大屏幕上仍然可见 */
            max-height: 800px; /* 最大高度限制 */
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color1));
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            z-index: 2;
            padding: 20px;
        }

        .hero-title {
            font-size: 3.5rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.5);
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: var(--dark-color);
            margin-bottom: 30px;
            text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
        }

        .countdown-container {
            background: rgba(255, 255, 255, 0.9);
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .countdown-title {
            font-size: 1.2rem;
            color: var(--dark-color);
            margin-bottom: 10px;
        }

        .countdown {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .countdown-item {
            background: var(--secondary-color2);
            color: white;
            padding: 10px 15px;
            border-radius: 8px;
            min-width: 60px;
            text-align: center;
        }

        .countdown-value {
            font-size: 2rem;
            font-weight: bold;
            display: block;
        }

        .countdown-label {
            font-size: 0.8rem;
            display: block;
        }

        .nav-container {
            background: var(--primary-color);
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .nav {
            display: flex;
            justify-content: center;
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-link {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: bold;
            font-size: 1.1rem;
            padding: 10px 20px;
            border-radius: 5px;
            transition: background 0.3s;
        }

        .nav-link:hover {
            background: rgba(0, 0, 0, 0.1);
        }

        .main-content {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 30px;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
        }

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

        .feature-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .feature-icon {
            font-size: 3rem;
            color: var(--secondary-color2);
            margin-bottom: 20px;
        }

        .feature-title {
            font-size: 1.5rem;
            color: var(--dark-color);
            margin-bottom: 15px;
        }

        .feature-desc {
            color: #666;
            line-height: 1.6;
        }

        .cta-section {
            background: linear-gradient(to right, var(--secondary-color1), var(--secondary-color2));
            padding: 60px 20px;
            text-align: center;
            color: white;
            border-radius: 10px;
            margin: 50px 0;
        }

        .cta-title {
            font-size: 2rem;
            margin-bottom: 20px;
        }

        .cta-button {
            background: var(--primary-color);
            color: var(--dark-color);
            padding: 15px 40px;
            font-size: 1.2rem;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        .footer {
            background: var(--dark-color);
            color: white;
            text-align: center;
            padding: 30px 0;
            margin-top: 50px;
        }

        .mission-statement {
            text-align: center;
            font-size: 1.8rem;
            color: var(--secondary-color2);
            font-weight: bold;
            margin: 30px 0;
            padding: 20px;
            background: rgba(254, 225, 1, 0.2);
            border-radius: 10px;
        }

        .section {
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 1.8rem;
            color: var(--secondary-color2);
            margin-bottom: 20px;
            text-align: center;
        }

        .layout-plan {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .plan-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .plan-title {
            font-size: 1.4rem;
            color: var(--secondary-color2);
            margin-bottom: 15px;
        }

        .plan-content {
            color: #666;
            line-height: 1.6;
        }

        .page {
            display: none;
        }

        .page.active {
            display: block;
        }

        /* 二级页面header悬浮样式 */
        .header {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 999;
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            padding: 15px;
        }

        .header-content {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 10px;
        }

        .header .logo {
            font-weight: bold;
            font-size: 1rem;
            color: var(--primary-color);
        }

        .back-button {
            text-decoration: none;
            color: var(--secondary-color2);
            font-weight: bold;
            font-size: 0.9rem;
            padding: 5px 10px;
            border-radius: 5px;
            background: rgba(243, 152, 0, 0.1);
            transition: background 0.3s;
        }

        .back-button:hover {
            background: rgba(243, 152, 0, 0.2);
        }

        /* 导航栏样式 */
        .top-nav {
            background-color: #FFFFFF;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .logo-container {
            display: flex;
            align-items: center;
        }

        .logo-img {
            height: 50px;
            margin-right: 15px;
        }

        .nav-links {
            display: flex;
            justify-content: space-around;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            margin-left: 20px;
        }

        .nav-links li {
            display: inline-block;
            flex: 1;
            text-align: center;
        }

        .nav-links a {
            text-decoration: none;
            color: #f39800;
            font-weight: bold;
            font-size: 1rem;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #d47f00;
        }

        /* 店面展示图片样式 */
        .storefront-section {
            margin: 40px 0;
            text-align: center;
        }

        .storefront-item {
            position: relative;
            width: 1116px; /* 4:3 比例 */
            height: 837px;
            margin: 0 auto 20px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .storefront-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .storefront-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .storefront-caption {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        /* 二级页面图片展示样式 */
        .image-section {
            margin: 40px 0;
            text-align: center;
        }

        .image-item {
            width: 100%;
            max-width: 1000px;
            margin: 0 auto 30px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .image-item img {
            width: 100%;
            height: auto;
            display: block;
        }

        .section-subtitle {
            font-size: 1.5rem;
            color: var(--secondary-color2);
            margin-bottom: 20px;
            text-align: center;
        }

        /* 关键词标签样式 */
        .keywords {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin: 20px 0;
        }

        .keyword {
            background: var(--primary-color);
            color: var(--dark-color);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: bold;
        }

        .image-tag {
            display: block;
            text-align: center;
            font-size: 1.2rem;
            font-weight: bold;
            color: white;
            background: rgba(0, 0, 0, 0.7);
            padding: 10px;
            margin-top: 10px;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .storefront-item {
                width: 90%;
                height: 675px; /* 保持4:3比例 */
            }
            
            .storefront-caption {
                font-size: 2rem;
            }
            
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
            }
            
            .countdown {
                flex-wrap: wrap;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
                gap: 15px;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .hero-section {
                min-height: 400px;
                height: 60vw;
            }
            
            .mission-statement {
                font-size: 1.4rem;
            }
            
            .image-item {
                max-width: 100%;
            }
            
            .nav-container {
                flex-direction: column;
                gap: 15px;
            }
            
            .logo-container {
                order: 2;
            }
            
            .nav-links {
                order: 1;
            }
        }