:root {
      --primary-color: #e44d26; /* Cam đỏ */
      --secondary-color: #f5a623; /* Vàng cam */
      --dark-bg: #1a1a1a; /* Nền tối */
      --light-bg: #f5f5f5; /* Nền sáng */
      --text-dark: #333333; /* Chữ tối */
      --text-light: #ffffff; /* Chữ sáng */
      --border-color: #ddd; /* Màu viền */
      --font-family: 'Arial', sans-serif;
    }

    /* Base styles for the page container */
    .page-ng-k-58k {
      font-family: var(--font-family);
      color: var(--text-dark);
      line-height: 1.6;
      background-color: var(--light-bg);
      padding-top: 10px; /* Small padding, assuming body handles main offset */
    }

    .page-ng-k-58k__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-ng-k-58k__hero-section {
      position: relative;
      background-color: var(--dark-bg);
      color: var(--text-light);
      padding: 80px 20px;
      text-align: center;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 450px;
    }

    .page-ng-k-58k__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.4; /* Slightly dim the background image */
      max-width: 100%; /* Ensure responsiveness */
      filter: brightness(0.7); /* Darken slightly to improve text contrast */
    }

    .page-ng-k-58k__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-ng-k-58k__hero-title {
      font-size: 3em;
      margin-bottom: 20px;
      color: var(--secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-ng-k-58k__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--text-light);
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-ng-k-58k__hero-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-light);
      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-ng-k-58k__hero-button:hover {
      background-color: #c73e1f;
      transform: translateY(-2px);
    }

    /* Section General Styles */
    .page-ng-k-58k__section {
      padding: 60px 20px;
      text-align: center;
    }

    .page-ng-k-58k__section--light {
      background-color: var(--light-bg);
      color: var(--text-dark);
    }

    .page-ng-k-58k__section--dark {
      background-color: var(--dark-bg);
      color: var(--text-light);
    }

    .page-ng-k-58k__section-title {
      font-size: 2.5em;
      margin-bottom: 40px;
      color: var(--primary-color);
      position: relative;
      padding-bottom: 10px;
    }

    .page-ng-k-58k__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--primary-color);
      border-radius: 2px;
    }

    .page-ng-k-58k__section-description {
      font-size: 1.1em;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Benefits Grid */
    .page-ng-k-58k__benefits-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-ng-k-58k__benefit-item {
      background-color: var(--text-light);
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
      text-align: left;
      border: 1px solid var(--border-color);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-ng-k-58k__benefit-item:hover {
      transform: translateY(-5px);
    }

    .page-ng-k-58k__benefit-icon {
      width: 200px; /* Minimum size requirement */
      height: 200px; /* Minimum size requirement */
      margin-bottom: 20px;
      object-fit: contain;
      max-width: 100%;
      height: auto;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-ng-k-58k__benefit-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 15px;
      text-align: center;
    }

    .page-ng-k-58k__benefit-text {
      font-size: 1em;
      color: var(--text-dark);
      text-align: center;
    }

    /* How to Register Steps */
    .page-ng-k-58k__steps-list {
      display: flex;
      flex-direction: column;
      gap: 25px;
      max-width: 700px;
      margin: 40px auto 0;
      list-style: none;
      padding: 0;
    }

    .page-ng-k-58k__step-item {
      display: flex;
      align-items: flex-start;
      text-align: left;
      background-color: var(--text-light);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
      border-left: 5px solid var(--primary-color);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-ng-k-58k__step-number {
      background-color: var(--primary-color);
      color: var(--text-light);
      border-radius: 50%;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2em;
      flex-shrink: 0;
      margin-right: 20px;
    }

    .page-ng-k-58k__step-content h3 {
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--primary-color);
      font-size: 1.3em;
    }

    .page-ng-k-58k__step-content p {
      margin: 0;
      color: var(--text-dark);
      font-size: 1em;
    }

    /* Game Showcase */
    .page-ng-k-58k__game-showcase {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-ng-k-58k__game-card {
      background-color: var(--text-light);
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      border: 1px solid var(--border-color);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-ng-k-58k__game-card:hover {
      transform: translateY(-5px);
    }

    .page-ng-k-58k__game-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-ng-k-58k__game-title {
      font-size: 1.3em;
      color: var(--primary-color);
      padding: 15px;
      margin: 0;
    }

    /* Call to Action Banner */
    .page-ng-k-58k__promo-banner {
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: 50px 20px;
      text-align: center;
      margin-top: 60px;
      border-radius: 10px;
    }

    .page-ng-k-58k__promo-text {
      font-size: 1.8em;
      margin-bottom: 25px;
      font-weight: bold;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    }

    .page-ng-k-58k__promo-button {
      display: inline-block;
      background-color: var(--secondary-color);
      color: var(--text-dark);
      padding: 15px 35px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-ng-k-58k__promo-button:hover {
      background-color: #d18d1f;
      transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-ng-k-58k__faq-section {
      background-color: var(--light-bg);
      padding: 60px 20px;
      text-align: center;
      color: var(--text-dark);
    }

    .page-ng-k-58k__faq-list {
      max-width: 900px;
      margin: 40px auto 0;
      list-style: none;
      padding: 0;
      text-align: left;
    }

    .page-ng-k-58k__faq-item {
      background-color: var(--text-light);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-ng-k-58k__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: #f9f9f9;
      transition: background-color 0.3s ease;
    }

    .page-ng-k-58k__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-ng-k-58k__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--text-dark);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-ng-k-58k__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
      line-height: 1; /* Adjust line-height for better centering */
    }

    .page-ng-k-58k__faq-item.active .page-ng-k-58k__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-ng-k-58k__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--text-dark);
    }

    .page-ng-k-58k__faq-item.active .page-ng-k-58k__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-ng-k-58k__faq-answer p {
      margin-top: 0;
      margin-bottom: 15px;
      font-size: 1em;
    }

    .page-ng-k-58k__faq-answer p:last-child {
      margin-bottom: 0;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-ng-k-58k__hero-title {
        font-size: 2.8em;
      }
      .page-ng-k-58k__section-title {
        font-size: 2.2em;
      }
      .page-ng-k-58k__promo-text {
        font-size: 1.6em;
      }
    }

    @media (max-width: 768px) {
      .page-ng-k-58k__hero-section {
        padding: 60px 15px;
        min-height: 350px;
      }
      .page-ng-k-58k__hero-title {
        font-size: 2.2em;
      }
      .page-ng-k-58k__hero-description {
        font-size: 1em;
      }
      .page-ng-k-58k__hero-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-ng-k-58k__section {
        padding: 40px 15px;
      }
      .page-ng-k-58k__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }
      .page-ng-k-58k__section-description {
        font-size: 0.95em;
      }

      /* List item responsive styles */
      .page-ng-k-58k__benefits-grid,
      .page-ng-k-58k__game-showcase {
        grid-template-columns: 1fr; /* Stack items */
        gap: 20px;
      }

      .page-ng-k-58k__benefit-item,
      .page-ng-k-58k__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important; /* Ensure content wraps */
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-ng-k-58k__steps-list {
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-ng-k-58k__step-item {
        flex-direction: column;
        align-items: center;
        padding: 20px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-ng-k-58k__step-number {
        margin-right: 0;
        margin-bottom: 15px;
      }

      .page-ng-k-58k__step-content {
        text-align: center;
      }

      .page-ng-k-58k__game-image {
        height: 180px;
      }

      .page-ng-k-58k__promo-banner {
        padding: 40px 15px;
      }
      .page-ng-k-58k__promo-text {
        font-size: 1.4em;
        margin-bottom: 20px;
      }
      .page-ng-k-58k__promo-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-ng-k-58k__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 10px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-ng-k-58k__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-ng-k-58k__faq-question {
        padding: 15px 20px;
      }
      .page-ng-k-58k__faq-question h3 {
        font-size: 1.1em;
      }
      .page-ng-k-58k__faq-answer {
        padding: 0 20px;
      }
      .page-ng-k-58k__faq-item.active .page-ng-k-58k__faq-answer {
        padding: 15px 20px !important;
      }

      /* Image responsive styles */
      .page-ng-k-58k__hero-background,
      .page-ng-k-58k__benefit-icon,
      .page-ng-k-58k__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-ng-k-58k__hero-title {
        font-size: 1.8em;
      }
      .page-ng-k-58k__section-title {
        font-size: 1.6em;
      }
      .page-ng-k-58k__promo-text {
        font-size: 1.2em;
      }
      .page-ng-k-58k__hero-button,
      .page-ng-k-58k__promo-button {
        padding: 10px 20px;
        font-size: 0.9em;
      }
      .page-ng-k-58k__benefit-title {
        font-size: 1.3em;
      }
      .page-ng-k-58k__game-title {
        font-size: 1.1em;
      }
      .page-ng-k-58k__faq-question h3 {
        font-size: 1em;
      }
      .page-ng-k-58k__faq-toggle {
        font-size: 1.5em;
      }
    }