        body {
            font-family: 'Microsoft YaHei', sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
            background-color: #f5f5f5;
            color: #030a26a6;
        }
        .container {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
            max-width: 500px;
            width: 85%;
        }
        .container .title{
            font-size: 16px;
            line-height: 24px;
            font-weight: 500;
        }
        .container .text{
            font-size: 14px;
            padding-top: 8px;
            line-height: 20px;
        }
        .container .img{
            width: 100px;
            height: 100px;
            margin: 0 auto 18px;
            border-radius: 50%;
        }
        .buttons {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 26px;
        }
        button {
            padding: 10px 15px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
            max-width: 120px;
            white-space: nowrap;
        }
        .retry {
            background-color: #4CAF50;
            color: white;
        }
        .retry:hover {
            background-color: #45a049;
        }
        .copy {
            background-color: #2196F3;
            color: white;
        }
        .copy:hover {
            background-color: #0b7dda;
        }
        .qr-btn {
            background-color: #ff9800;
            color: white;
            position: relative;
        }
        .qr-btn:hover {
            background-color: #e68a00;
        }
        .qr-image {
            display: none;
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background-color: white;
            padding: 10px;
            border-radius: 5px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            z-index: 10;
        }
        .qr-btn:hover .qr-image {
            display: block;
        }
        .backup {
            background-color: #4CAF50;
            color: white;
        }
        .backup:hover {
            background-color: #45a049;
        }
        @media (max-width: 480px) {
            .buttons {
                flex-wrap: wrap;
            }
            button {
                flex: 1 0 40%;
                max-width: none;
                margin-bottom: 10px;
            }
        }