* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 0;
        }
        
        .container {
            width: 100%;
            max-width: 500px;
            min-height: 100vh;
            background-image: url('../img/bj.js');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-attachment: fixed;
            border-radius: 0;
            box-shadow: none;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        
        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(0.5px);
            z-index: 1;
        }
        
        .app-content {
            text-align: center;
            width: 100%;
            padding: 0 0;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-left: 0px;
        }
        
        .app-icon {
            width: 90px; 
            height: 90px;
            margin: 0 0 20px 0; 
            border-radius: 15px; 
            overflow: hidden;
            display: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); 
        }
        
        .app-name {
            font-size: 25px; 
            font-weight: bold;
            color: #fff;
            margin: 0 0 30px 0; 
            padding: 8px 15px; 
            border-radius: 15px; 
            background: rgba(0, 0, 0, 0.55);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2); 
        }
        
        .jump-btn {
            background: linear-gradient(45deg, #4CAF50, #45a049);
            color: white;
            border: none;
            padding: 14px 40px; 
            font-size: 18px; 
            font-weight: bold;
            border-radius: 50px; 
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3); 
            transition: all 0.3s ease;
            margin-top: 0px;
        }
        
        .jump-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
        }

        @media (max-width: 480px) {
            .app-icon {
                width: 80px; 
                height: 80px;
                margin-bottom: 15px;
            }
            .app-name {
                font-size: 24px; 
                padding: 7px 12px;
                margin-bottom: 25px;
            }
            .jump-btn {
                padding: 12px 35px; 
                font-size: 16px; 
            }
        }