.audio_container {
  display: flex;
  flex-direction: column; /* 将元素横向排列 */
  flex-wrap: wrap; /* 允许元素换行 */
  flex: 1;
  max-height: 100%;
  overflow: hidden;
}

/* ========== 语音模块 - PC 端布局优化 ========== */

/* 模式选择：上传文件 / 录音（PC 普通单选） */
.audio_container .audio-mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  max-width: 100%;
}
.audio_container .audio-mode-toggle .form-check-input {
  width: 1rem;
  height: 1rem;
}
.audio_container .audio-mode-toggle .form-check-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #212529;
}
.audio_container .audio-mode-tip {
  margin-left: auto;
  font-size: 0.9rem;
  color: #6c757d;
  white-space: nowrap;
}

/* 语音转文本：三行区域统一宽度对齐 */
.audio_container .audio-speech-wrap {
  max-width: 1100px;
  margin: 0 auto;
}

/* 语音页内容统一宽度，避免“上面一条很短下面很宽” */
.audio_container .audio-tab-pane {
  max-width: 1100px;
  margin: 0 auto;
}

/* PC：不要让语音页按钮强制铺满（模板用了 w-100 主要为了移动端） */
.audio_container #speech_mode_upload_area .btn.w-100,
.audio_container #speech_mode_record_area .btn.w-100 {
  width: auto !important;
  min-width: 160px;
}

/* PC：录音区域按钮与播放器更紧凑对齐 */
.audio_container #speech_mode_record_area .row {
  align-items: center;
}
.audio_container #speech_mode_record_area audio {
  max-width: 640px;
}

.audio_container #pane-text .row:first-of-type {
  align-items: center;
}
.audio_container #pane-text label[for="dest_language"] {
  margin-right: 0.5rem;
}
.audio_container #pane-text select {
  min-height: 44px;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
}

.audio_container .nav.nav-tabs {
  border-bottom: 2px solid #dee2e6;
  margin-bottom: 1rem;
}
.audio_container .nav.nav-tabs .nav-link {
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0.6rem 0.6rem 0 0;
  padding: 0.65rem 1rem;
  font-size: 1rem;
  font-weight: 600 !important;
  color: #6c757d;
  background: #f8f9fa;
  min-height: 44px;
}
.audio_container .nav.nav-tabs .nav-link:hover {
  color: #0d6efd;
  border-bottom-color: rgba(13, 110, 253, 0.3);
}
.audio_container .nav.nav-tabs .nav-link.active {
  color: #0d6efd;
  background: #fff;
  border-bottom-color: #0d6efd;
}

.audio_container h2 {
  font-size: 1.35rem;
  margin: 0.5rem 0 1rem 0;
}
.audio_container h2 label {
  font-size: inherit;
  margin: 0;
}

.audio_container .row {
  row-gap: 0.75rem;
}

.audio_container .btn {
  min-height: 44px;
  padding: 0.55rem 1rem;
  font-size: 0.95rem;
}
.audio_container input[type="file"].form-control {
  font-size: 0.95rem;
}
.audio_container audio {
  width: 100%;
  max-width: 520px;
}

#audio_text {
    width: 100%; /* 设置固定的宽度，例如 300px */
    height: 50vh; /* PC 上更易用 */
    resize: none; /* 防止用户调整 textarea 的大小 */
    padding: 10px; /* 设置内边距，以便调整内容与边框之间的间距 */
    border: 1px solid #ccc;
    border-radius: 5px;
}


#text_to_speech_input {
    width: 100%; /* 设置固定的宽度，例如 300px */
    height: 50vh; /* PC 上更易用 */
    resize: none; /* 防止用户调整 textarea 的大小 */
    padding: 10px; /* 设置内边距，以便调整内容与边框之间的间距 */
    border: 1px solid #ccc;
    border-radius: 5px;
}