body {
    font-family: 'Lato', sans-serif;
    font-weight: 300;
    color: #333;
    font-size: 18px;
  }
  #page-wrap {
    width: 85%;
    max-width: 1000px;
  }
  
  h1 {
    font-size: 36px;
    color: #555;
    font-weight: 400;
    text-align: center;
    margin: 0;
    padding: 0;
    margin-right: 50px;
    margin-left: 60px;
    margin-top: 10px;
    margin-bottom: 10px;
  }
  .authors {
    color: #222;
    font-size: 22px;
    font-weight: 400;
    text-align: center;
    margin: 0;
    padding: 0;
    margin-bottom: 10px;
  }
  
  .assets {
    color: #222;
    font-size: 20px;
    font-weight: 300;
    text-align: center;
    margin: 0;
    padding: 0;
    margin-bottom: 5px;
  }
  
  .logoimg {
    display: inline-block;
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 10px;
  }
  .container-fluid {
    margin-top: 20px;
    margin-bottom: 16px;
  }
  .container {
    margin-top: 15px;
  }
  
  #footer {
    margin-bottom: 50px;
  }
  
  .overview {
    text-align: center;
    margin-top: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 35px;
  }
  .thumbs {
    display: inline-block;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    -webkit-box-shadow: 1px 1px 3px #999;
    -moz-box-shadow: 1px 1px 3px #999;
    box-shadow: 1px 1px 3px #999;
    /* margin-bottom: 10px; */
  }
  .tftable {
    color:#333333;
    width:100%;
    border-width: 1px;
    border-color: #729ea5;
    border-collapse: collapse;
  }
  .tftable th {
    background-color:#acc8cc;
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #729ea5;
    text-align:left;
  }
  .tftable tr {
    background-color:#ffffff;
  }
  .tftable td {
    border-width: 1px;
    padding: 8px;
    border-style: solid;
    border-color: #729ea5;
    font-size: 16px;
  }
  .tftable tr:hover {
    background-color:#ffff99;
  }
  
  h2 {
    font-size: 24px;
    font-weight: 400;
    border-bottom: 1px solid #999;
    margin-bottom: 20px;
  }
  
  h3 {
    font-size: 20px;
    font-weight: 350;
    margin-bottom: 10px;
  }
  
  b {
    font-weight: 700px;
  }
  
  .demos {
      text-align: center;
    margin-top:30px;
    margin-bottom:30px;
  }
  
  .demos .caption {
      font-size: 18px;
      font-weight: bold;
      margin-top: 5px;
      margin-bottom: 5px;
  }
  
  .margin-top {
      margin-top:3px;
  }
  
  .margin-bottom {
      margin-bottom:3px;
  }
  
  .nopadding {
     padding: 0 !important;
     margin: 0 !important;
  }
.chat-section {
    display: flex;
    flex-direction: column; /* Stack audio and text vertically */
    align-items: center; /* Center the content horizontally */
    width: 100%; /* Full width of the parent container */
    margin-bottom: 20px; /* Space between each chat section */
}
.chat-section {
    display: flex;
    flex-direction: column; /* Stack audio and text vertically */
    width: 100%; /* Ensure chat section takes up full width */
    margin-bottom: 20px; /* Add space between chat sections */
}

.audio-container_left {
    width: 70%; /* 占据父容器的70% */
    float: left;
    display: flex;
    flex-direction: column; /* Stack audio and text vertically */
}

.audio-container_left {
    width: 70%; /* 占据父容器的70% */
    float: right;
    display: flex;
    flex-direction: column; /* Stack audio and text vertically */
}

.audio-player {
    width: 100%; /* Ensure the audio player takes full width of the container */
    margin-bottom: 10px; /* Add spacing below the audio player */
}

.human_left {
    text-align: left; /* Left-align the text */
    background-color: rgba(173, 216, 230, 0.5); /* Light blue background */
    border: 2px solid lightblue; /* Light blue border */
    border-radius: 10px; /* Rounded corners */
    padding: 10px; /* Inner spacing */
    width: 100%; /* Full width for text */
}

.human_right {
    text-align: right; /* Right-align the text */
    background-color: rgba(255, 165, 0, 0.5); /* Light orange background */
    border: 2px solid orange; /* Orange border */
    border-radius: 10px; /* Rounded corners */
    padding: 10px; /* Inner spacing */
    width: 100%; /* Full width for text */
}