* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Courier New', Courier, monospace;
}

.container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.background span {
  font-size: 16px;
  color:#cbf1ca; /* 将颜色更改为较浅的绿色 */
  margin: 2px;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.chat-a-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    color: #fff; /* 将颜色更改为白色 */
    font-weight: bold; /* 添加此行以使字体加粗 */
    z-index: 2;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    white-space: pre;
  }
  
  .try-chat-a {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 16px;
    color: #aaf0a7;
    text-decoration: none;
    border: 1px solid #aaf0a7;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out;
  }
  
  .try-chat-a:hover {
    background-color: #aaf0a7;
    color: #000;
  }
  
  .container2 {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-end;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明背景 */
    z-index: 1; /* 设置层级，较大的值会在底层元素之上 */
  }

  
  .try-chat {
    margin: 0 10px;
    padding: 10px 20px;
    margin-bottom: 30px;
    top: 20px;
    right: 20px;
    font-size: 16px;
    color: #aaf0a7;
    text-decoration: none;
    border: 1px solid #aaf0a7;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out;
  }