/* 验证码样式 */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.captcha-display {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 4px;
    padding: 8px 12px;
    font-family: 'Courier New', monospace;
    font-size: 18px;
    font-weight: bold;
    color: #495057;
    letter-spacing: 2px;
    min-width: 80px;
    text-align: center;
    user-select: none;
}

.captcha-refresh {
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.captcha-refresh:hover {
    background: #0056b3;
}

.captcha-input {
    flex: 1;
    max-width: 150px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.captcha-input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}