:root {
      --page-trang__primary-color: #FFD700; /* Yellow */
      --page-trang__secondary-color: #FFFFFF; /* White */
      --page-trang__background-color: #000000; /* Black */
      --page-trang__text-color: #FFFFFF; /* White */
      --page-trang__dark-gray: #1a1a1a;
      --page-trang__light-gray: #cccccc;
    }

    body {
      font-family: 'Arial', sans-serif;
      margin: 0;
      padding: 0;
      background-color: var(--page-trang__background-color);
      color: var(--page-trang__text-color);
      line-height: 1.6;
    }

    .page-trang {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0;
      background-color: var(--page-trang__background-color);
    }

    .page-trang__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-trang__dark-gray);
      border-radius: 8px;
    }

    .page-trang__hero-section {
      position: relative;
      text-align: center;
      color: var(--page-trang__secondary-color);
      padding-top: 10px; /* Desktop */
      padding-bottom: 50px;
      background-color: var(--page-trang__background-color);
    }

    .page-trang__hero-image {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      border-radius: 8px;
      margin-bottom: 20px;
      object-fit: cover;
      min-height: 200px; /* Minimum size */
    }

    .page-trang__hero-content {
      position: relative;
      z-index: 10;
      padding: 0 20px;
    }

    .page-trang__hero-title {
      font-size: 2.8em;
      color: var(--page-trang__primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-trang__hero-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-trang__cta-button {
      display: inline-block;
      background-color: var(--page-trang__primary-color);
      color: var(--page-trang__background-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-trang__cta-button:hover {
      background-color: #FFEA00;
      transform: translateY(-3px);
    }

    .page-trang__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #E74C3C; /* A striking red for promotions */
      color: var(--page-trang__secondary-color);
      padding: 15px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      z-index: 1000;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-trang__floating-button:hover {
      background-color: #C0392B;
      transform: scale(1.05);
    }

    .page-trang__floating-button-icon {
      font-size: 1.4em;
    }

    .page-trang__section-title {
      font-size: 2.2em;
      color: var(--page-trang__primary-color);
      text-align: center;
      margin-bottom: 40px;
      padding-top: 20px;
    }

    .page-trang__games-grid,
    .page-trang__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-trang__game-card,
    .page-trang__provider-card {
      background-color: var(--page-trang__background-color);
      border-radius: 12px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding-bottom: 20px;
    }

    .page-trang__game-card:hover,
    .page-trang__provider-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .page-trang__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 3px solid var(--page-trang__primary-color);
      max-width: 100%;
      display: block;
      min-height: 200px; /* Minimum size */
    }

    .page-trang__provider-logo {
      width: 80%; /* Adjust as needed */
      height: 150px; /* Fixed height for logos */
      object-fit: contain;
      padding: 20px;
      max-width: 100%;
      display: block;
      min-height: 200px; /* Minimum size */
    }

    .page-trang__game-title,
    .page-trang__provider-title {
      font-size: 1.5em;
      color: var(--page-trang__primary-color);
      margin: 20px 0 10px;
      padding: 0 15px;
    }

    .page-trang__game-description {
      font-size: 0.95em;
      color: var(--page-trang__light-gray);
      padding: 0 15px;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .page-trang__advantages-list {
      display: flex;
      flex-direction: column;
      gap: 25px;
      list-style: none;
      padding: 0;
    }

    .page-trang__advantage-item {
      background-color: var(--page-trang__background-color);
      padding: 25px;
      border-radius: 10px;
      display: flex;
      align-items: flex-start;
      gap: 20px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    .page-trang__advantage-icon {
      font-size: 2em;
      color: var(--page-trang__primary-color);
      flex-shrink: 0;
    }

    .page-trang__advantage-text h3 {
      font-size: 1.4em;
      color: var(--page-trang__primary-color);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-trang__advantage-text p {
      font-size: 1em;
      color: var(--page-trang__light-gray);
      margin: 0;
    }

    .page-trang__faq-section {
      background-color: var(--page-trang__dark-gray);
      padding: 40px 20px;
      border-radius: 8px;
    }

    .page-trang__faq-item {
      background-color: var(--page-trang__background-color);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-trang__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #2c2c2c;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      border-bottom: 1px solid #3a3a3a;
    }

    .page-trang__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-trang__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-trang__primary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-trang__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-trang__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent span from blocking click */
    }

    .page-trang__faq-item.active .page-trang__faq-toggle {
      transform: rotate(45deg);
    }

    .page-trang__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding, will be overridden */
      color: var(--page-trang__light-gray);
      font-size: 1em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-trang__faq-item.active .page-trang__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-trang__faq-answer p {
      margin: 0;
    }

    .page-trang__social-section {
      text-align: center;
      background-color: var(--page-trang__dark-gray);
      padding: 40px 20px;
      border-radius: 8px;
    }

    .page-trang__social-list {
      list-style: none;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-trang__social-item {
      margin: 0;
    }

    .page-trang__social-link {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 60px;
      height: 60px;
      background-color: var(--page-trang__background-color);
      border-radius: 50%;
      color: var(--page-trang__primary-color);
      font-size: 2em;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-trang__social-link:hover {
      background-color: var(--page-trang__primary-color);
      color: var(--page-trang__background-color);
      transform: translateY(-5px);
    }

    /* Responsive styles */
    @media (max-width: 768px) {
      .page-trang__hero-section {
        padding-top: 10px; /* Mobile */
        padding-bottom: 30px;
      }

      .page-trang__hero-title {
        font-size: 2em;
      }

      .page-trang__hero-description {
        font-size: 1em;
      }

      .page-trang__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-trang__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }

      .page-trang__floating-button-icon {
        font-size: 1.2em;
      }

      .page-trang__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-trang__games-grid,
      .page-trang__providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 20px;
      }

      .page-trang__game-image {
        height: 150px;
      }

      .page-trang__provider-logo {
        height: 100px;
      }

      .page-trang__game-title,
      .page-trang__provider-title {
        font-size: 1.3em;
      }

      .page-trang__advantage-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 15px;
        padding: 20px;
      }

      .page-trang__advantage-icon {
        font-size: 1.8em;
      }

      .page-trang__advantage-text h3 {
        font-size: 1.2em;
      }

      .page-trang__advantage-text p {
        font-size: 0.9em;
      }

      .page-trang__faq-question {
        padding: 18px 20px;
      }

      .page-trang__faq-question h3 {
        font-size: 1em;
      }

      .page-trang__faq-toggle {
        font-size: 1.5em;
      }

      .page-trang__faq-answer {
        padding: 0 20px;
      }

      .page-trang__faq-item.active .page-trang__faq-answer {
        padding: 15px 20px !important;
      }

      .page-trang__social-link {
        width: 50px;
        height: 50px;
        font-size: 1.8em;
      }

      /* Image responsive optimization */
      .page-trang img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-trang__game-card, .page-trang__provider-card {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-trang__hero-image {
        max-width: 100% !important;
        height: auto !important;
        min-height: 180px !important;
      }
      .page-trang__game-image {
        max-width: 100% !important;
        height: auto !important;
        min-height: 150px !important;
      }
      .page-trang__provider-logo {
        max-width: 100% !important;
        height: auto !important;
        min-height: 100px !important;
      }
    }