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

body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

h1 {
    color: #1890ff;
    margin-bottom: 20px;
}

.info {
    margin-bottom: 30px;
    line-height: 1.6;
    color: #666;
}

button {
    background-color: #1890ff;
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #40a9ff;
}

.result {
    margin-top: 30px;
    padding: 20px;
    border-radius: 5px;
    background-color: #f5f5f5;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
}

.result.success {
    background-color: #f6ffed;
    border: 1px solid #b7eb8f;
    color: #52c41a;
}

.result.error {
    background-color: #fff2f0;
    border: 1px solid #ffccc7;
    color: #ff4d4f;
}