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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* 微信/抖音提示图片样式 */
        #wechat-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #fff;
            z-index: 9999;
        }

        #wechat-overlay img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        /* 主容器 */
        .container {
            max-width: 720px;
            margin: 0 auto;
            padding: 20px;
            padding-bottom: 100px;
        }

        /* 顶部固定下载按钮 */
        .top-download-btn {

            top: 20px;
            z-index: 100;
            text-align: center;
            margin-bottom: 30px;
        }

        .top-download-btn button {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            border: none;
            padding: 15px 50px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(245, 87, 108, 0.4);
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }

        .top-download-btn button:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(245, 87, 108, 0.6);
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        /* 内容卡片 */
        .content-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
        }

        /* Logo和标题区域 */
        .header {
            text-align: center;
            margin-bottom: 40px;
        }

        .logo {
            width: 150px;
            height: 150px;
            margin: 0 auto 20px;
            border-radius: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 30px;
        }

        h1 {
            color: #2d3748;
            font-size: 32px;
            margin-bottom: 10px;
        }

        .subtitle {
            color: #718096;
            font-size: 16px;
        }

        /* 特性列表 */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }

        .feature-item {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            transition: transform 0.3s ease;
        }

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

        .feature-icon {
            font-size: 40px;
            margin-bottom: 15px;
        }

        .feature-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .feature-desc {
            font-size: 14px;
            opacity: 0.9;
        }

        /* 游戏介绍 */
        .description {
            background: #f7fafc;

            border-radius: 15px;
            margin: 30px 0;
            line-height: 1.8;
            color: #4a5568;
        }
.description img {
	    padding-top: 18px;
    width: 80%;
    display: block;
    margin: 0 auto;
}

        /* 底部悬浮按钮 */
        .bottom-float-btn {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            padding: 10px 10px;
            box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

        .bottom-float-btn button {
            width: 100%;
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            color: white;
            border: none;
            padding: 18px;
            font-size: 20px;
            font-weight: bold;
            border-radius: 15px;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(79, 172, 254, 0.4);
            transition: all 0.3s ease;
        }

        .bottom-float-btn button:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(79, 172, 254, 0.6);
        }

        .bottom-float-btn button:active {
            transform: translateY(0);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 15px;
                padding-bottom: 100px;
            }

            .content-card {
                padding: 25px;
            }

            h1 {
                font-size: 24px;
            }

            .logo {
                width: 120px;
                height: 120px;
            }

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

            .top-download-btn button {
                padding: 12px 40px;
                font-size: 16px;
            }
        }