.hotline-widget{
    position:fixed;
    bottom:20px; right:20px;
    width:200px;
    background:#fff;
    border-radius:12px;
    box-shadow:0 6px 20px rgba(0,0,0,.15);
    overflow:hidden;
    font-size:14px;
    z-index:9999;
    transition:height .3s ease;
  }
  .hotline-header{
    padding:10px 14px;
    font-weight:600;
    text-align:center;
    color:#fff;
    background:linear-gradient(315deg, rgb(255, 0, 22) 0%, rgb(167, 2, 27) 100%);
    position:relative;
  }
  .hotline-toggle{
    position:absolute;
    top:50%; right:10px;
    transform:translateY(-50%);
    background:none;
    border:none;
    color:#fff;
    font-size:18px;
    cursor:pointer;
  }
  .hotline-list{
    display:flex;
    flex-direction:column;
    background:#fff;
  }
  .hotline-item{
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 14px;
    border-top:1px solid #eee;
    text-decoration:none;
    color:#0f172a;
    transition:background .2s;
  }
  .hotline-item:hover{
    background:#f8fafc;
  }
  .hotline-item i{
    font-size:18px;
    color:#a7021b;
    flex-shrink:0;
  }
  .hotline-label{
    font-weight:500;
  }
  .hotline-number{
    font-size:15px;
    font-weight:600;
    white-space:nowrap;
  }
  /* Ẩn khi thu nhỏ */
  .collapsed .hotline-list{
    display:none;
  }

  @media (max-width:480px){
    .hotline-widget{
      width:150px;
      font-size:13px;
    }
    .hotline-number{font-size:14px;}
  }