body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(to bottom, #ffffff 50%, #1e2b39 50%);
    overflow: hidden;
  }
  
  .container {
    position: relative;
    height: 100vh;
  }
  
  .top {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -100%); /* 贴到中线正上方 */
    color: #1e2b39;
  }
  
  .top h1 {
    font-family: 'Playfair Display', serif;
    font-size: 13rem;
    margin: 0;
    padding-bottom: 0; /* 保证没有额外内边距 */
    transform: translateY(55px); /* 向下靠近中线 */
  }
  .bottom {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, 0); /* 贴到中线正下方 */
  }
  
  .inline-form input {
    padding: 0.0rem 0rem;
    font-size: 3.5rem;
    border: none;
        /* 🟥 红色边框用于调试 */
    border-radius: 0;
    border-bottom: 1px solid white;
    background: transparent;
    color: white;
    outline: none;
    width: 370px;
    text-align: center;
    margin-right: 15px;
  }
  
  .inline-form input::placeholder {
    color: #cccccc;
  }
  .inline-form button {
    padding: 0rem 0rem;
    font-size: 3.5rem;
    
    font-weight: bold;
    background: transparent;          /* 透明背景 */
    color: white;
    border: none;
       /* 只保留底部白线 */
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .inline-form button:hover {
    background: rgba(255, 255, 255, 0.05);  /* hover 时微光感 */
  }
  
  #status {
    color: white;                      /* 状态文字变白 */
    font-size: 1.5rem;
  }