nm:root {
      --ink: #161817;
      --muted: #68706c;
      --paper: #f7f5ef;
      --panel: #ffffff;
      --line: #dedbd0;
      --teal: #0d8c7d;
      --teal-dark: #0a655c;
      --gold: #f1b83b;
      --red: #FF5A3E;
      --green: #1fa879;
      --blue: #2778c4;
      --shadow: 0 22px 60px rgba(26, 31, 29, .18);
    }

    * {
      box-sizing: border-box;
    }

    /* 確保全站點擊時有平滑滾動效果 */
    html {
      scroll-behavior: smooth;      
    }

    body {
      margin: 0;
      font-family: Inter, "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
      color: var(--ink);
      background: var(--paper);
      letter-spacing: 0;
      font-family: auto;
      background-color: #f0fbff;
    }
    
    h1 {
      width: 100%;
      margin: 22px 0 18px;
      line-height: .98;
      letter-spacing: 0;
      text-align:center;
      font-family: auto;
      color: #000000;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input{
      font: inherit;
    }

    .container {
      margin: 0 auto;
      padding: 0 20px;
      overflow: hidden;
      align-items: center;
      color: #000000;
      text-align: center;
    }

    .logo {
      width: 100%;
      height: auto;
      padding: 10px 10px;
    }

    .logo img {
      width: 100px;
    }

    .header-down {
      width: 80%;
      text-align: center;
      gap: 20px;
      margin: 20px 0;
      display: inline-block;
      background-color: #FFFFFF;
      box-shadow:rgba(26, 31, 29, .18);
      border-radius: 10px;
      padding-bottom: 20px;
    }

    .mobile-img {
      width: 100%;
      height: auto;
      align-items: center;
      display: block;
      padding: 20px;
    }

    .mobile-img img{
      width: 50%;
      margin-top: 2%;
    }

    .header-text {
      width: 100%;
      display: block;
      padding: 2%;
    }
    .header-text h2 {
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: clamp(20px, 7vw, 20px);
      line-height: 1.2;
    }

    .btn-download{
      width: 100%;
      display: flex;
      justify-content: center;
    }

    .btn-download .android{
      width: 100%;
      background-color: #174986;
      font-size: 16px;
      text-align: center;
      color: #FFFFFF;
      padding: 10px;
      margin: 1%;
      border-radius: 50px;      
      border-color: #FFFFFF;
      border-style: double;
    }
    
    .btn-download .ios{
      width: 100%;
      background-color: #174986;
      font-size: 16px;
      text-align: center;
      color: #FFFFFF;
      padding: 10px;
      margin: 1%;
      border-radius: 50px;      
      border-color: #FFFFFF;
      border-style: double;
    }