:root {
      --page-king88-primary-color: #e44d26; /* Cam đỏ */
      --page-king88-secondary-color: #333333; /* Đen đậm */
      --page-king88-accent-color: #f7b32b; /* Vàng hổ phách */
      --page-king88-background-light: #f5f5f5; /* Xám nhạt */
      --page-king88-text-color: #333333;
      --page-king88-light-text-color: #ffffff;
      --page-king88-border-radius: 8px;
      --page-king88-spacing-unit: 1rem;
    }

    .page-king88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-king88-text-color);
      background-color: var(--page-king88-background-light);
      padding-bottom: 80px; /* Space for fixed button */
    }

    /* Shared container styling */
    .page-king88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: var(--page-king88-spacing-unit);
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-king88__hero-section {
      background: linear-gradient(135deg, var(--page-king88-primary-color), #ff6f40);
      color: var(--page-king88-light-text-color);
      text-align: center;
      padding: calc(var(--page-king88-spacing-unit) * 3) var(--page-king88-spacing-unit);
      position: relative;
      overflow: hidden;
      padding-top: calc(var(--page-king88-spacing-unit) * 3 + 10px); /* Adjust for fixed header */
    }

    .page-king88__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.2;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-king88__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-king88__hero-title {
      font-size: 2.5em;
      margin-bottom: 0.5rem;
      color: var(--page-king88-light-text-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .page-king88__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 1.5rem;
      opacity: 0.9;
    }

    .page-king88__call-to-action-button {
      display: inline-block;
      background-color: var(--page-king88-accent-color);
      color: var(--page-king88-secondary-color);
      padding: 1rem 2rem;
      border-radius: var(--page-king88-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-king88__call-to-action-button:hover {
      background-color: #e0a427;
      transform: translateY(-2px);
    }

    /* General Section Styling */
    .page-king88__section {
      padding: calc(var(--page-king88-spacing-unit) * 2) 0;
      background-color: var(--page-king88-background-light);
      text-align: center;
    }

    .page-king88__section:nth-of-type(even) {
      background-color: #e9e9e9;
    }

    .page-king88__section-title {
      font-size: 2em;
      color: var(--page-king88-primary-color);
      margin-bottom: calc(var(--page-king88-spacing-unit) * 1.5);
      text-align: center;
    }

    .page-king88__section-description {
      max-width: 800px;
      margin: 0 auto var(--page-king88-spacing-unit) auto;
      font-size: 1.1em;
      color: var(--page-king88-text-color);
    }

    /* Features/Game Cards */
    .page-king88__features-grid,
    .page-king88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: calc(var(--page-king88-spacing-unit) * 1.5);
      margin-top: calc(var(--page-king88-spacing-unit) * 2);
    }

    .page-king88__feature-card,
    .page-king88__game-card {
      background-color: #ffffff;
      border-radius: var(--page-king88-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      padding: calc(var(--page-king88-spacing-unit) * 1.5);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      box-sizing: border-box;
    }

    .page-king88__feature-card:hover,
    .page-king88__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    }

    .page-king88__card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: var(--page-king88-border-radius);
      margin-bottom: var(--page-king88-spacing-unit);
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-king88__card-title {
      font-size: 1.4em;
      color: var(--page-king88-secondary-color);
      margin-bottom: 0.5rem;
    }

    .page-king88__card-text {
      font-size: 0.95em;
      color: var(--page-king88-text-color);
      flex-grow: 1;
    }

    /* How-to Guide / Steps */
    .page-king88__steps-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: calc(var(--page-king88-spacing-unit) * 2);
      margin-top: calc(var(--page-king88-spacing-unit) * 2);
      list-style: none;
      padding: 0;
    }

    .page-king88__step-item {
      background-color: #ffffff;
      border-radius: var(--page-king88-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      padding: calc(var(--page-king88-spacing-unit) * 1.5);
      width: 100%;
      max-width: 350px;
      text-align: left;
      position: relative;
      box-sizing: border-box;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-king88__step-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
    }

    .page-king88__step-number {
      position: absolute;
      top: -15px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-king88-primary-color);
      color: var(--page-king88-light-text-color);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5em;
      font-weight: bold;
      border: 3px solid #ffffff;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-king88__step-title {
      font-size: 1.3em;
      color: var(--page-king88-primary-color);
      margin-top: calc(var(--page-king88-spacing-unit) * 1.5);
      margin-bottom: 0.5rem;
      text-align: center;
    }

    .page-king88__step-description {
      font-size: 0.95em;
      color: var(--page-king88-text-color);
    }

    /* Promotions */
    .page-king88__promotion-banner {
      background: linear-gradient(90deg, #ff7e5f, #feb47b);
      color: var(--page-king88-light-text-color);
      padding: calc(var(--page-king88-spacing-unit) * 2);
      border-radius: var(--page-king88-border-radius);
      margin-top: calc(var(--page-king88-spacing-unit) * 2);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      text-align: center;
    }

    .page-king88__promotion-title {
      font-size: 2em;
      margin-bottom: 0.5rem;
    }

    .page-king88__promotion-text {
      font-size: 1.1em;
      margin-bottom: 1.5rem;
    }

    /* Download App Section */
    .page-king88__app-download-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: calc(var(--page-king88-spacing-unit) * 2);
      margin-top: calc(var(--page-king88-spacing-unit) * 2);
    }

    .page-king88__app-download-item {
      background-color: #ffffff;
      border-radius: var(--page-king88-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      padding: calc(var(--page-king88-spacing-unit) * 1.5);
      text-align: center;
      width: 100%;
      max-width: 300px;
      box-sizing: border-box;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-king88__app-download-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
    }

    .page-king88__app-icon {
      width: 100px;
      height: 100px;
      object-fit: contain;
      margin-bottom: var(--page-king88-spacing-unit);
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-king88__app-title {
      font-size: 1.3em;
      color: var(--page-king88-secondary-color);
      margin-bottom: 0.5rem;
    }

    .page-king88__app-description {
      font-size: 0.95em;
      color: var(--page-king88-text-color);
      margin-bottom: var(--page-king88-spacing-unit);
    }

    .page-king88__download-button {
      display: inline-block;
      background-color: var(--page-king88-primary-color);
      color: var(--page-king88-light-text-color);
      padding: 0.8rem 1.5rem;
      border-radius: var(--page-king88-border-radius);
      font-size: 1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-king88__download-button:hover {
      background-color: #c7411f;
      transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-king88__faq-section {
      text-align: left;
    }

    .page-king88__faq-list {
      list-style: none;
      padding: 0;
      margin-top: calc(var(--page-king88-spacing-unit) * 2);
    }

    .page-king88__faq-item {
      background-color: #ffffff;
      border-radius: var(--page-king88-border-radius);
      margin-bottom: var(--page-king88-spacing-unit);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-king88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: calc(var(--page-king88-spacing-unit) * 1.2) calc(var(--page-king88-spacing-unit) * 1.5);
      background-color: #f9f9f9;
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-king88__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-king88__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-king88-secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-king88__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-king88-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-king88__faq-item.active .page-king88__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-king88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px; /* Initial padding, will be overridden */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      box-sizing: border-box;
    }

    .page-king88__faq-item.active .page-king88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-king88__faq-answer p {
      margin-bottom: 0.5rem;
      font-size: 0.95em;
      color: var(--page-king88-text-color);
    }

    /* Floating Login Button */
    .page-king88__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-king88-accent-color);
      color: var(--page-king88-secondary-color);
      padding: 1rem 1.5rem;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap; /* Prevent text wrapping */
      border: none;
      cursor: pointer;
    }

    .page-king88__floating-button:hover {
      background-color: #e0a427;
      transform: translateX(-50%) translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-king88__hero-title {
        font-size: 2em;
      }

      .page-king88__hero-subtitle {
        font-size: 1em;
      }

      .page-king88__section-title {
        font-size: 1.8em;
      }

      .page-king88__features-grid,
      .page-king88__game-grid {
        grid-template-columns: 1fr;
      }

      .page-king88__feature-card,
      .page-king88__game-card,
      .page-king88__step-item,
      .page-king88__app-download-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: var(--page-king88-spacing-unit) !important;
      }

      .page-king88__steps-list,
      .page-king88__app-download-grid {
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-king88__card-image,
      .page-king88__app-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-king88__faq-question {
        padding: var(--page-king88-spacing-unit) 15px;
      }

      .page-king88__faq-question h3 {
        font-size: 1em;
      }

      .page-king88__faq-answer {
        padding: 15px !important;
      }

      .page-king88__floating-button {
        padding: 0.8rem 1rem;
        font-size: 1em;
        width: 90%;
        max-width: 350px;
        box-sizing: border-box;
      }

      /* Ensure text wraps for long keywords in list items */
      .page-king88__card-text,
      .page-king88__step-description,
      .page-king88__app-description,
      .page-king88__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }