/* 登录页面样式 */
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 0;
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 360px;
}

h2 {
    text-align: center;
}

button {
    width: 100%;
    padding: 12px;
}

.error-message {
    color: #f5222d;
    margin-bottom: 16px;
    text-align: center;
}