        * {
            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/抖音遮罩层样式 */
        .wechat-mask {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #fff;
            z-index: 9999;
        }

        .wechat-mask.active {
            display: block;
        }

        .wechat-mask img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }

        /* 主容器 */
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }

        /* 头部区域 */
        .header {
            text-align: center;
            padding: 40px 20px 20px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            backdrop-filter: blur(10px);
            margin-bottom: 30px;
        }

        .logo {
            width: 120px;
            height: 120px;
            margin: 0 auto 20px;
            border-radius: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            background: #fff;
        }

        .logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .app-title {
            font-size: 32px;
            font-weight: bold;
            color: #fff;
            margin-bottom: 10px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .app-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 30px;
        }

        /* 顶部下载按钮 */
        .top-download-btn {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: #fff;
            border: none;
            padding: 16px 60px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 8px 25px rgba(245, 87, 108, 0.4);
            transition: all 0.3s ease;
            display: inline-block;
        }

        .top-download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(245, 87, 108, 0.5);
        }

        .top-download-btn:active {
            transform: translateY(0);
        }

        /* 特性区域 */
        .features {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 40px 30px;
            margin-bottom: 30px;
        }

        .features h2 {
            font-size: 24px;
            color: #333;
            margin-bottom: 25px;
            text-align: center;
        }

        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .feature-item {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 25px;
            border-radius: 15px;
            color: #fff;
        }

        .feature-item h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .feature-item p {
            font-size: 14px;
            line-height: 1.6;
            opacity: 0.95;
        }

        /* 底部悬浮按钮 */
        .floating-download {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            padding: 15px 20px;
            box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.15);
            backdrop-filter: blur(10px);
            z-index: 1000;
        }

        .floating-download-btn {
            width: 100%;
            max-width: 600px;
            margin: 0 auto;
            display: block;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            border: none;
            padding: 16px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
            transition: all 0.3s ease;
        }

        .floating-download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
        }

        .floating-download-btn:active {
            transform: translateY(0);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .app-title {
                font-size: 26px;
            }

            .top-download-btn {
                padding: 14px 40px;
                font-size: 16px;
            }

            .feature-list {
                grid-template-columns: 1fr;
            }

            .features {
                padding: 30px 20px;
                margin-bottom: 80px;
            }
        }

        /* 下载图标动画 */
        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-5px);
            }
        }

        .top-download-btn::before,
        .floating-download-btn::before {
            content: '⬇';
            display: inline-block;
            margin-right: 8px;
            animation: bounce 1.5s infinite;
        }
		        .game-poster{width:100%;border-radius:15px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.5);margin-bottom:25px;border:3px solid #ffd700;position:relative;animation:float 6s ease-in-out infinite}
        .game-poster img{width:100%;height:auto;display:block}