/* 语音输入按钮 */
.voice-btn {
    background: linear-gradient(135deg, #10b981, #06b6d4);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.voice-btn:active {
    transform: scale(0.95);
}

.voice-btn i {
    font-size: 16px;
}