.page-container {
  padding: 30px;
  background-color: #f8f8f8;
  min-height: 100vh;
  box-sizing: border-box;
}

.card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  
  .label {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    display: block;
  }
  
  .input-box {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
    margin-bottom: 20px;
    
    .symbol {
      font-size: 48px;
      font-weight: bold;
      margin-right: 20px;
    }
    
    .input {
      flex: 1;
      height: 60px;
      font-size: 48px;
      font-weight: bold;
    }
  }
  
  .balance-tip {
    font-size: 24px;
    color: #999;
    
    .all {
      color: #576b95;
      margin-left: 10px;
    }
  }
  
  .btn-submit {
    margin-top: 60px;
    background: #07c160;
    color: #fff;
  }
}