/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: pink;
  }
  
  /* 密码输入界面样式 */
  #password-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: pink;
  }
  
  #password-screen h1 {
    color: #333;
    margin-bottom: 20px;
    font-size: 36px;
    text-transform: uppercase;
    font-weight: bold;
  }
  
  #password-screen input[type="password"] {
    padding: 10px;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 18px;
    width: 200px;
  }
  
  #password-screen button#enter-password-btn {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
    font-size: 18px;
  }
  
  #password-screen #password-error {
    color: red;
    margin-top: 10px;
    display: none;
  }
  
  #password-screen #password-hint {
    color: #666;
    margin-top: 5px;
    font-size: 14px;
    text-transform: lowercase;
    font-style: italic;
  }
  
  /* 纪念界面通用样式 */
  h1 {
    color: red;
    margin-top: 20px;
    font-size: 28px;
  }
  
  p {
    color: #333;
    font-size: 16px;
    line-height: 1.5;
    margin: 10px 0;
  }
  
  /* 爱心样式及动画 */
  .heart {
    color: red;
    font-size: 3em;
    margin-top: 20px;
    display: inline-block;
    animation: heartBeat 1s infinite alternate;
  }
  
  @keyframes heartBeat {
    from {
      transform: scale(1);
    }
  
    to {
      transform: scale(1.2);
    }
  }
  
  /* 照片展示区域样式 */
  .photo-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }
  
  .photo {
    width: 200px;
    height: auto;
    margin: 10px;
    border-radius: 10px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
  }
  
  /* 时间显示区域样式 */
  #time-elapsed {
    font-size: 18px;
    margin-top: 15px;
    color: red;
  }
  
  #forever-together {
    color: red;
    font-size: 24px;
    margin-top: 20px;
  }
  
  /* 音频播放器样式 */
  #background-music {
    display: none;
  }