.button-container {
    display: flex; /* 使用 flexbox */
    flex-wrap: wrap; /* 允许换行 */
    justify-content: center; /* 居中对齐 */
}
/* 媒体查询：手机端样式 */
@media (max-width: 768px) {
    .button-container {
        flex-direction: column; /* 手机端纵向排列 */
        align-items: center; /* 居中对齐 */
    }
}
/* From Uiverse.io by eirikvold */ 
button {
    font-family: inherit;
    font-size: 18px;
    background: linear-gradient(to bottom, #4dc7d9 0%,#66a6ff 100%);
    color: white;
    padding: 0.8em 1.2em;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 25px;
    box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
  }
  
  button:hover {
    transform: translateY(-3px);
    box-shadow: 0px 8px 15px rgba(0, 0, 0, 0.3);
  }
  
  button:active {
    transform: scale(0.95);
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  }
  
  button span {
    display: block;
    margin-left: 0.4em;
    transition: all 0.3s;
  }
  
  button svg {
    width: 18px;
    height: 18px;
    fill: white;
    transition: all 0.3s;
  }
  
  button .svg-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    margin-right: 0.5em;
    transition: all 0.3s;
  }
  
  button:hover .svg-wrapper {
    background-color: rgba(255, 255, 255, 0.5);
  }
  
  button:hover svg {
    transform: rotate(45deg);
  }