/* CSS cho trang sunwinapk */
    :root {
      --page-sunwinapk-primary: #0a192f; /* Dark blue */
      --page-sunwinapk-secondary: #00b0ff; /* Bright blue */
      --page-sunwinapk-accent: #ffd700; /* Gold/Yellow */
      --page-sunwinapk-text-light: #e6f1ff; /* Light blue/white */
      --page-sunwinapk-text-dark: #333; /* Dark gray */
      --page-sunwinapk-bg-dark: #121212; /* Very dark gray */
      --page-sunwinapk-bg-medium: #1a2a44; /* Medium dark blue */
      --page-sunwinapk-border: #2a416a; /* Border color */
    }

    .page-sunwinapk {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-sunwinapk-text-light);
      background-color: var(--page-sunwinapk-bg-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating button */
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-sunwinapk-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    .page-sunwinapk-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-sunwinapk-section:nth-of-type(even) {
      background-color: var(--page-sunwinapk-bg-medium);
    }

    .page-sunwinapk-banner {
      background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('[GALLERY:banner:sunwin,game,mobile]') center center / cover no-repeat;
      min-height: 400px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      text-align: center;
      padding: 20px;
      position: relative;
    }
    
    .page-sunwinapk-banner::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6); /* Dark overlay for text readability */
        z-index: 1;
    }

    .page-sunwinapk-banner-content {
      z-index: 2;
      position: relative;
    }

    .page-sunwinapk-banner h1 {
      font-size: 2.8em;
      color: var(--page-sunwinapk-accent);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-sunwinapk-banner p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px;
      color: var(--page-sunwinapk-text-light);
    }

    .page-sunwinapk-btn {
      display: inline-block;
      background-color: var(--page-sunwinapk-secondary);
      color: var(--page-sunwinapk-primary);
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-sunwinapk-btn:hover {
      background-color: var(--page-sunwinapk-accent);
      transform: translateY(-2px);
      color: var(--page-sunwinapk-bg-dark);
    }

    .page-sunwinapk-floating-btn {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-sunwinapk-accent);
      color: var(--page-sunwinapk-primary);
      padding: 12px 25px;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      font-weight: bold;
      font-size: 1.1em;
      z-index: 1000;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: background-color 0.3s ease, transform 0.2s ease, opacity 0.3s ease;
    }

    .page-sunwinapk-floating-btn:hover {
      background-color: #ffeb3b; /* Slightly lighter yellow */
      transform: translateX(-50%) translateY(-3px);
    }

    .page-sunwinapk-h2 {
      font-size: 2.2em;
      color: var(--page-sunwinapk-accent);
      margin-bottom: 30px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-sunwinapk-h3 {
      font-size: 1.6em;
      color: var(--page-sunwinapk-secondary);
      margin-top: 25px;
      margin-bottom: 15px;
    }

    .page-sunwinapk-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-sunwinapk-card {
      background-color: var(--page-sunwinapk-primary);
      border-radius: 12px;
      padding: 25px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-sunwinapk-border);
    }

    .page-sunwinapk-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-sunwinapk-card img {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 15px;
      border: 1px solid var(--page-sunwinapk-secondary);
    }

    .page-sunwinapk-card h4 {
      font-size: 1.3em;
      color: var(--page-sunwinapk-accent);
      margin-bottom: 10px;
    }

    .page-sunwinapk-card h4 a {
      color: inherit;
      text-decoration: none;
    }

    .page-sunwinapk-card h4 a:hover {
      text-decoration: underline;
    }

    .page-sunwinapk-card p {
      font-size: 0.95em;
      color: var(--page-sunwinapk-text-light);
    }

    .page-sunwinapk-list {
      list-style: none;
      padding: 0;
      text-align: left;
      max-width: 800px;
      margin: 20px auto;
    }

    .page-sunwinapk-list li {
      background-color: var(--page-sunwinapk-bg-medium);
      margin-bottom: 10px;
      padding: 15px 20px;
      border-radius: 8px;
      display: flex;
      align-items: flex-start;
      gap: 15px;
      border-left: 4px solid var(--page-sunwinapk-secondary);
    }

    .page-sunwinapk-list li strong {
      color: var(--page-sunwinapk-accent);
      font-size: 1.1em;
    }

    .page-sunwinapk-icon {
        color: var(--page-sunwinapk-accent);
        font-size: 1.5em;
        line-height: 1;
        flex-shrink: 0;
    }

    .page-sunwinapk-faq .page-sunwinapk-list li {
        border-left: 4px solid var(--page-sunwinapk-accent);
    }
    .page-sunwinapk-faq .page-sunwinapk-list li p {
        margin-top: 5px;
        font-size: 0.9em;
    }
    .page-sunwinapk-faq .page-sunwinapk-list li a {
        color: var(--page-sunwinapk-accent);
        text-decoration: underline;
    }
    .page-sunwinapk-faq .page-sunwinapk-list li a:hover {
        color: var(--page-sunwinapk-secondary);
    }

    .page-sunwinapk-promo-banner {
      background-color: var(--page-sunwinapk-secondary);
      padding: 30px;
      border-radius: 12px;
      margin-top: 40px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
      color: var(--page-sunwinapk-primary);
    }

    .page-sunwinapk-promo-banner h3 {
      color: var(--page-sunwinapk-primary);
      font-size: 2em;
      margin: 0;
    }

    .page-sunwinapk-promo-banner p {
      font-size: 1.1em;
      max-width: 700px;
      color: var(--page-sunwinapk-text-dark);
    }

    .page-sunwinapk-promo-banner .page-sunwinapk-btn {
      background-color: var(--page-sunwinapk-accent);
      color: var(--page-sunwinapk-primary);
    }
    .page-sunwinapk-promo-banner .page-sunwinapk-btn:hover {
      background-color: #ffeb3b;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-sunwinapk-banner {
        min-height: 350px;
      }
      .page-sunwinapk-banner h1 {
        font-size: 2.2em;
      }
      .page-sunwinapk-banner p {
        font-size: 1em;
      }
      .page-sunwinapk-h2 {
        font-size: 1.8em;
      }
      .page-sunwinapk-h3 {
        font-size: 1.4em;
      }
      .page-sunwinapk-grid {
        grid-template-columns: 1fr;
      }
      .page-sunwinapk-floating-btn {
        width: calc(100% - 30px);
        bottom: 15px;
        font-size: 1em;
        padding: 10px 20px;
      }
      .page-sunwinapk-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-sunwinapk-list li > div {
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .page-sunwinapk-banner {
        min-height: 280px;
      }
      .page-sunwinapk-banner h1 {
        font-size: 1.6em;
      }
      .page-sunwinapk-btn {
        padding: 12px 20px;
        font-size: 0.95em;
      }
      .page-sunwinapk-floating-btn {
        font-size: 0.85em;
        padding: 8px 15px;
        bottom: 10px;
      }
      .page-sunwinapk-h2 {
        font-size: 1.6em;
      }
    }