/* Tổng quan và biến */
    :root {
      --page-sunwim-primary-color: #FFD700; /* Vàng kim */
      --page-sunwim-secondary-color: #00BFFF; /* Xanh da trời */
      --page-sunwim-dark-bg: #1a1a1a; /* Nền tối */
      --page-sunwim-text-light: #f0f0f0; /* Chữ sáng */
      --page-sunwim-text-dark: #333333; /* Chữ tối */
      --page-sunwim-card-bg: #282828; /* Nền thẻ */
      --page-sunwim-border-color: #444444;
      --page-sunwim-button-hover-bg: #e6c200;
      --page-sunwim-button-hover-text: #000;
      --page-sunwim-float-button-bg: #FFD700;
      --page-sunwim-float-button-text: #1a1a1a;
      --page-sunwim-float-button-hover-bg: #e6c200;
    }

    .page-sunwim {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-sunwim-dark-bg);
      color: var(--page-sunwim-text-light);
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-sunwim__section-title {
      font-size: 2.2rem;
      color: var(--page-sunwim-primary-color);
      text-align: center;
      margin-bottom: 1.5rem;
      padding-top: 2rem;
      font-weight: bold;
    }

    .page-sunwim__section-description {
      text-align: center;
      margin-bottom: 2rem;
      font-size: 1rem;
      color: var(--page-sunwim-text-light);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      padding: 0 1rem;
    }

    .page-sunwim__button {
      display: inline-block;
      padding: 0.8rem 1.5rem;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, color 0.3s ease;
      text-align: center;
      white-space: nowrap;
    }

    .page-sunwim__button--primary {
      background-color: var(--page-sunwim-primary-color);
      color: var(--page-sunwim-text-dark);
    }

    .page-sunwim__button--primary:hover {
      background-color: var(--page-sunwim-button-hover-bg);
      color: var(--page-sunwim-button-hover-text);
    }

    .page-sunwim__button--secondary {
      background-color: transparent;
      border: 2px solid var(--page-sunwim-primary-color);
      color: var(--page-sunwim-primary-color);
    }

    .page-sunwim__button--secondary:hover {
      background-color: var(--page-sunwim-primary-color);
      color: var(--page-sunwim-text-dark);
    }

    .page-sunwim__button--small {
      padding: 0.6rem 1.2rem;
      font-size: 0.9rem;
    }

    /* Hero Section */
    .page-sunwim__hero {
      text-align: center;
      padding: 2rem 1rem;
      background-color: #0d0d0d; /* Slightly darker for hero */
    }

    .page-sunwim__banner-content {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }

    .page-sunwim__main-title {
      font-size: 2.5rem;
      color: var(--page-sunwim-primary-color);
      margin-bottom: 1rem;
      line-height: 1.2;
    }

    .page-sunwim__banner-text {
      font-size: 1.1rem;
      margin-bottom: 1.5rem;
      color: var(--page-sunwim-text-light);
    }

    .page-sunwim__cta-buttons-hero {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .page-sunwim__banner-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-top: 2rem;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    /* About Section (Features) */
    .page-sunwim__about {
      padding: 3rem 1rem;
      background-color: var(--page-sunwim-dark-bg);
    }

    .page-sunwim__features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-sunwim__feature-item {
      background-color: var(--page-sunwim-card-bg);
      padding: 1.5rem;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-sunwim-border-color);
    }

    .page-sunwim__feature-item h3 {
      color: var(--page-sunwim-primary-color);
      font-size: 1.4rem;
      margin-top: 1rem;
      margin-bottom: 0.5rem;
    }

    .page-sunwim__feature-item p {
      color: var(--page-sunwim-text-light);
      font-size: 0.95rem;
    }

    .page-sunwim__feature-icon {
      width: 60px;
      height: 60px;
      object-fit: contain;
    }

    /* Games Section */
    .page-sunwim__games {
      padding: 3rem 1rem;
      background-color: #121212; /* Slightly different dark */
    }

    .page-sunwim__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 1rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-sunwim__game-card {
      background-color: var(--page-sunwim-card-bg);
      border-radius: 8px;
      text-align: center;
      padding: 1rem;
      text-decoration: none;
      color: var(--page-sunwim-text-light);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: 1px solid var(--page-sunwim-border-color);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-sunwim__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .page-sunwim__game-img {
      max-width: 100%;
      height: 100px; /* Fixed height for consistency */
      object-fit: contain; /* Ensure image fits without cropping */
      margin-bottom: 0.8rem;
    }

    .page-sunwim__game-title {
      font-size: 1.1rem;
      color: var(--page-sunwim-primary-color);
      margin-top: auto; /* Pushes title to bottom if image is smaller */
    }

    /* Promotions Section */
    .page-sunwim__promotions {
      padding: 3rem 1rem;
      background-color: var(--page-sunwim-dark-bg);
    }

    .page-sunwim__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-sunwim__promo-card {
      background-color: var(--page-sunwim-card-bg);
      padding: 1.5rem;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-sunwim-border-color);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-sunwim__promo-card h3 {
      color: var(--page-sunwim-primary-color);
      font-size: 1.4rem;
      margin-top: 1rem;
      margin-bottom: 0.5rem;
    }

    .page-sunwim__promo-card p {
      color: var(--page-sunwim-text-light);
      font-size: 0.95rem;
      margin-bottom: 1.5rem;
    }

    .page-sunwim__promo-img {
      max-width: 100%;
      height: 150px;
      object-fit: cover;
      border-radius: 4px;
    }

    /* Guide Section */
    .page-sunwim__guide {
      padding: 3rem 1rem;
      background-color: #121212;
    }

    .page-sunwim__guide-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-sunwim__guide-item {
      background-color: var(--page-sunwim-card-bg);
      padding: 1.5rem;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-sunwim-border-color);
    }

    .page-sunwim__guide-item h3 {
      color: var(--page-sunwim-primary-color);
      font-size: 1.3rem;
      margin-top: 1rem;
      margin-bottom: 0.5rem;
    }

    .page-sunwim__guide-item p {
      color: var(--page-sunwim-text-light);
      font-size: 0.95rem;
    }

    .page-sunwim__guide-icon {
      width: 50px;
      height: 50px;
      object-fit: contain;
    }

    /* App Section */
    .page-sunwim__app {
      padding: 3rem 1rem;
      background-color: var(--page-sunwim-dark-bg);
      text-align: center;
    }

    .page-sunwim__app-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      max-width: 900px;
      margin: 0 auto;
      gap: 2rem;
    }

    .page-sunwim__app-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .page-sunwim__app-text {
      text-align: center;
    }

    .page-sunwim__app-text p {
      font-size: 1.1rem;
      margin-bottom: 1.5rem;
      color: var(--page-sunwim-text-light);
    }

    .page-sunwim__app-note {
      font-size: 0.9rem;
      color: #aaa;
      margin-top: 0.5rem;
    }

    /* Floating Buttons */
    .page-sunwim__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 0.8rem 1rem;
      background-color: rgba(0, 0, 0, 0.9); /* Semi-transparent dark background */
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
      z-index: 1000;
      gap: 1rem;
    }

    .page-sunwim__float-button {
      flex: 1;
      padding: 0.8rem 1rem;
      border-radius: 5px;
      text-align: center;
      text-decoration: none;
      font-weight: bold;
      font-size: 1rem;
      transition: background-color 0.3s ease;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .page-sunwim__float-button--register {
      background-color: var(--page-sunwim-float-button-bg);
      color: var(--page-sunwim-float-button-text);
    }

    .page-sunwim__float-button--register:hover {
      background-color: var(--page-sunwim-float-button-hover-bg);
    }

    .page-sunwim__float-button--login {
      background-color: var(--page-sunwim-secondary-color);
      color: var(--page-sunwim-text-dark); /* Changed to dark text for contrast */
    }

    .page-sunwim__float-button--login:hover {
      background-color: #0099cc;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-sunwim__main-title {
        font-size: 3.5rem;
      }

      .page-sunwim__banner-text {
        font-size: 1.2rem;
      }

      .page-sunwim__section-title {
        font-size: 2.8rem;
      }

      .page-sunwim__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }

      .page-sunwim__promo-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .page-sunwim__guide-steps {
        grid-template-columns: repeat(4, 1fr);
      }

      .page-sunwim__app-content {
        flex-direction: row;
        text-align: left;
        gap: 4rem;
      }

      .page-sunwim__app-image {
        max-width: 40%;
      }

      .page-sunwim__app-text {
        text-align: left;
        max-width: 50%;
      }

      .page-sunwim__floating-buttons {
        justify-content: flex-end; /* Align buttons to the right on desktop */
        width: auto;
        left: auto;
        right: 1rem;
        bottom: 1rem;
        max-width: 400px; /* Limit width */
        border-radius: 8px;
        padding: 0.8rem 1.5rem;
      }

      .page-sunwim__float-button {
        flex: none;
        width: auto;
        min-width: 150px;
        font-size: 1.1rem;
      }
    }

    @media (min-width: 1024px) {
      .page-sunwim__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
    }