body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #0f1724;
    color: #fff;
    margin: 0;
    padding: 20px;
    font-size: 18px;
  }

  h1 {
    text-align: center;
    color: #f59e0b;
    font-size: 2.2em;
  }

  /* === HEADER === */
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    background-color: #111827;
    border-bottom: 2px solid #1f2937;
    border-radius: 10px;
  }

  .logo {
    font-size: 1.6em;
    font-weight: bold;
    color: #f59e0b;
    text-decoration: none;
  }

  .nav-links {
    display: flex;
    gap: 20px;
  }

  .nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05em;
    transition: color 0.2s ease;
  }

  .nav-links a:hover {
    color: #f59e0b;
  }

  /* === FOOTER === */
  footer {
    text-align: center;
    margin-top: 60px;
    padding: 25px;
    background-color: #1e293b;
    border-radius: 12px;
    font-size: 0.95em;
    color: #cbd5e1;
  }

  footer {
    text-align: center;
    margin-top: 60px;
    padding: 25px;
    background-color: #1e293b;
    border-radius: 12px;
    font-size: 0.95em;
    color: #cbd5e1;
  }

  footer a {
    color: #f59e0b;
    text-decoration: none;
    margin: 0 8px;
  }

  footer a:hover {
    text-decoration: underline;
  }

  .footer-menu {
    margin-top: 10px;
  }

  /* 버튼 링크 */
  .bet-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
  }

  .bet-links a {
    text-decoration: none;
    color: #fff;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.2s ease;
  }

  .bet-links a.place { background-color: #e63946; }
  .bet-links a.place:hover { background-color: #d32c3b; }

  .bet-links a.exact { background-color: #3946e6; }
  .bet-links a.exact:hover { background-color: #2936c6; }

  .bet-links a.any { background-color: #f59e0b; }
  .bet-links a.any:hover { background-color: #e58e00; }

  /* 카드 레이아웃 */
  .bet-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
  }

  .card {
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #fff;
  }

  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 215, 0, 0.6);
  }

  .card h2 {
    margin-top: 0;
    font-size: 1.6em;
  }

  .card p {
    font-size: 1.1em;
    line-height: 1.6em;
  }

  .card .probability {
    margin-top: 10px;
    font-weight: bold;
    font-size: 1.1em;
    color: #ffd700;
  }

  .card.place { background-color: #e63946; }
  .card.exact { background-color: #3946e6; }
  .card.any { background-color: #f59e0b; }

  .highlight { color: #f59e0b; font-weight: bold; }

  /* Bitcoin Round Lottery 섹션 */
  .bitcoin-section {
    background-color: #fff;
    color: #111;
    border-radius: 12px;
    padding: 30px 25px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
    text-align: center;
  }

  .bitcoin-section h2 {
    color: #111;
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .bitcoin-section p {
    font-size: 1.2em;
    line-height: 1.8em;
    color: #111;
  }

  .bitcoin-section p .highlight { color: #f59e0b; }

  @media (max-width: 480px) {
    .bet-types { grid-template-columns: 1fr; }
    .bet-links { flex-direction: column; align-items: center; }
    .bet-links a { width: 80%; text-align: center; }
    body { font-size: 16px; }
    .card p { font-size: 1em; }
    .card .probability { font-size: 1em; }
    .bitcoin-section p { font-size: 1.1em; }
  }



/* =================================== */