/* GLOBAL */
  body {
    margin:0;
    background:#000;
    color:#fff;
    font-family:'Segoe UI',Arial, sans-serif;
    padding-top:100px;
    padding-bottom:100px;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }

  a { color:#00aaff; text-decoration:none; }
  :root { --blue-main:#00aaff; --blue-dark:#005f87; }
  .container { width:95%; max-width:1200px; margin:auto; }

  /* HEADER */
  .header { position:fixed; top:0; left:0; width:100%; z-index:999; background:#000; border-bottom:2px solid #222; display:flex; justify-content:center; padding:6px 0; }
  .header img { height:38px; }

  /* MENU */
  .menu {
      background: #000;
      padding: 10px 0;
      display: flex;
      justify-content: center;
      gap: 10px;
  }

  .menu a {
      width:100%;
      text-align:center;
      padding:12px 0;
      font-size:14px;
      color:#000;
      font-weight:bold;
      border-radius:6px;
      background:linear-gradient(180deg, var(--blue-main), var(--blue-dark));
      box-shadow:0 0 8px var(--blue-main);
  }
  .menu a:hover {
      box-shadow:0 0 14px var(--blue-main);
  }

  /* BANNER */
  .banner img { width:100%; border-radius:6px; display:block; margin-top:6px; }

  /* BUTTONS */
  .btn-group { display:flex; justify-content:space-between; margin:20px 0; gap:10px; flex-wrap:wrap; }
  .btn { flex:1 1 48%; padding:14px; text-align:center; font-size:16px; border-radius:6px; font-weight:bold; background:linear-gradient(180deg, var(--blue-main), var(--blue-dark)); color:#000; box-shadow:0 0 8px var(--blue-main); }
  .btn.login { background:linear-gradient(180deg, #00f1ff, #004c52); color:#fff; }

  /* IFRAME */
  .frame-center { width:100%; display:flex; justify-content:center; margin:20px 0; }
  iframe { border-radius:6px; border:1px solid var(--blue-main); max-width:100%; }

  /* TABLE */
  table { width:100%; border-collapse:collapse; margin-top:15px; background:#0b0b0b; border-radius:6px; overflow:hidden; }
  table th { background:var(--blue-main); color:#000; padding:10px; font-size:15px; }
  table td { border-bottom:1px solid var(--blue-main); padding:8px; font-size:13px; }

  /* ARTICLE */
  .article-box { background:#0b0b0b; padding:15px; margin-top:20px; border-radius:6px; border:1px solid var(--blue-main); }
  .article-box h1 { font-size:20px; color:var(--blue-main); text-align:center; }
  .article-box h2 { font-size:18px; margin-top:12px; color:var(--blue-main); }
  .article-box h3 { font-size:16px; color:#11c8ff; margin-top:10px; }
  .article-box p { font-size:14px; line-height:1.7; color:#dfeffd; }

  /* FOOTER FIXED */
  .footer-fixed { position:fixed; bottom:0; left:0; width:100%; background:#000; border-top:2px solid #222; display:flex; justify-content:space-around; padding:8px 0; }

  /* Floating Top */
  #float-top { position:fixed; top:0; left:50%; transform:translateX(-50%); width:728px; height:90px; z-index:9999; text-align:center; }

  /* Floating Bottom */
  #float-bottom { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:728px; height:90px; z-index:9999; text-align:center; }

  /* Margin anti ketutup */
  .float-article {
      max-width: 800px;
      margin: 15px auto;
      background: #000;
      color: #fff;
      padding: 15px 18px;
      border-radius: 12px;
      box-shadow: 0 0 10px rgba(0,0,0,0.4);
      text-align: justify;
      font-size: 14px;
      line-height: 1.6;
  }
  h2 { margin-bottom: 10px !important; }
  p { margin-top: 10px !important; line-height: 1.6; }

  /* MOBILE RESPONSIVE */
  @media (max-width:900px) {
      .menu a { width:auto; padding:10px 8px; font-size:13px; }
      #float-top, #float-bottom { width:100% !important; height:90px !important; left:50%; transform:translateX(-50%); }
      .header img { height:34px; }
      .article-box h2 { font-size:16px; }
      .article-box p { font-size:14px; }
      .btn { flex-basis:100%; }
  }

  @media (max-width:600px) {
      body { padding-top:90px; padding-bottom:90px; }
      .menu { padding:8px 5px; gap:6px; }
      .menu a { width:auto; font-size:12px; padding:8px 6px; border-radius:5px; box-shadow:0 0 5px var(--blue-main); }
      .banner img { border-radius:6px; }
      iframe[width] { width:100% !important; height:auto; min-height:400px; }
      .container { padding-left:12px; padding-right:12px; }
  }