:root {
      --primary-color: #e44d26; /* Màu cam đỏ */
      --secondary-color: #2c3e50; /* Màu xanh đậm */
      --accent-color: #f39c12; /* Màu vàng cam */
      --text-color: #ecf0f1; /* Màu trắng xám */
      --dark-text-color: #34495e; /* Màu chữ tối */
      --background-dark: #1a1a1a; /* Nền tối */
      --background-light: #282828; /* Nền sáng hơn */
      --border-color: #3a3a3a;
      --button-hover-color: #c0392b;
      --shadow-color: rgba(0, 0, 0, 0.4);
    }

    .page-v1vn-com {
      font-family: 'Arial', sans-serif;
      color: var(--text-color);
      background-color: var(--background-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Space for floating buttons */
    }

    .page-v1vn-com__hero-section {
      position: relative;
      width: 100%;
      height: 60vh;
      min-height: 300px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      overflow: hidden;
      padding-top: 10px; /* Small decorative padding, body handles main offset */
      box-sizing: border-box;
    }

    .page-v1vn-com__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
      filter: brightness(0.6);
    }

    .page-v1vn-com__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.5);
      border-radius: 10px;
    }

    .page-v1vn-com__hero-title {
      font-size: 2.8em;
      color: var(--primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px var(--shadow-color);
      line-height: 1.2;
    }

    .page-v1vn-com__hero-subtitle {
      font-size: 1.3em;
      color: var(--accent-color);
      margin-bottom: 30px;
    }

    .page-v1vn-com__button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-color);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-v1vn-com__button:hover {
      background-color: var(--button-hover-color);
      transform: translateY(-2px);
    }

    .page-v1vn-com__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
      background-color: var(--background-light);
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 8px var(--shadow-color);
    }

    .page-v1vn-com__section--dark {
      background-color: var(--background-dark);
    }

    .page-v1vn-com__section-title {
      font-size: 2.2em;
      color: var(--primary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-v1vn-com__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--accent-color);
      border-radius: 2px;
    }

    .page-v1vn-com__text-content p {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: var(--text-color);
      text-align: left;
    }

    .page-v1vn-com__text-content strong {
      color: var(--accent-color);
    }

    .page-v1vn-com__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-v1vn-com__game-card {
      background-color: var(--background-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
    }

    .page-v1vn-com__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px var(--primary-color);
    }

    .page-v1vn-com__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-v1vn-com__game-card-content {
      padding: 20px;
    }

    .page-v1vn-com__game-card-title {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .page-v1vn-com__game-card-description {
      font-size: 0.95em;
      color: var(--text-color);
      margin-bottom: 15px;
    }

    .page-v1vn-com__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-v1vn-com__promotion-card {
      background-color: var(--background-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px var(--shadow-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      display: flex;
      flex-direction: column;
    }

    .page-v1vn-com__promotion-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px var(--accent-color);
    }

    .page-v1vn-com__promotion-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }

    .page-v1vn-com__promotion-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-v1vn-com__promotion-title {
      font-size: 1.5em;
      color: var(--accent-color);
      margin-bottom: 10px;
    }

    .page-v1vn-com__promotion-description {
      font-size: 0.95em;
      color: var(--text-color);
      margin-bottom: 15px;
    }

    .page-v1vn-com__benefits-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .page-v1vn-com__benefit-item {
      background-color: var(--background-dark);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 2px 10px var(--shadow-color);
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-align: left;
      box-sizing: border-box;
    }

    .page-v1vn-com__benefit-item:hover {
      background-color: #333;
      transform: translateY(-5px);
    }

    .page-v1vn-com__benefit-title {
      font-size: 1.3em;
      color: var(--primary-color);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
    }

    .page-v1vn-com__benefit-title::before {
      content: '✓';
      color: var(--accent-color);
      font-size: 1.2em;
      margin-right: 10px;
      line-height: 1;
    }

    .page-v1vn-com__benefit-description {
      font-size: 1em;
      color: var(--text-color);
    }

    .page-v1vn-com__faq-container {
      margin-top: 30px;
      text-align: left;
    }

    .page-v1vn-com__faq-item {
      background-color: var(--background-dark);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px var(--shadow-color);
      transition: background-color 0.3s ease;
    }

    .page-v1vn-com__faq-item:hover {
      background-color: #333;
    }

    .page-v1vn-com__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: var(--secondary-color);
      color: var(--text-color);
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease;
    }

    .page-v1vn-com__faq-question:hover {
      background-color: #3a5064;
    }

    .page-v1vn-com__faq-question h3 {
      margin: 0;
      color: inherit;
      font-size: 1em;
      pointer-events: none; /* Prevent h3 from intercepting click */
    }

    .page-v1vn-com__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      color: var(--accent-color);
      pointer-events: none; /* Prevent toggle icon from intercepting click */
      transition: transform 0.3s ease;
    }

    .page-v1vn-com__faq-item.active .page-v1vn-com__faq-toggle {
      transform: rotate(45deg);
    }

    .page-v1vn-com__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--text-color);
      background-color: var(--background-dark);
    }

    .page-v1vn-com__faq-item.active .page-v1vn-com__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px !important;
      opacity: 1;
    }

    .page-v1vn-com__faq-answer p {
      margin: 0;
      padding: 0;
      font-size: 0.95em;
      color: var(--text-color);
    }

    .page-v1vn-com__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: calc(100% - 40px);
      max-width: 400px;
    }

    .page-v1vn-com__floating-button {
      flex: 1;
      padding: 15px 10px;
      border-radius: 8px;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      text-decoration: none;
      color: var(--text-color);
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
      border: none;
      cursor: pointer;
    }

    .page-v1vn-com__floating-button--register {
      background-color: var(--primary-color);
    }

    .page-v1vn-com__floating-button--register:hover {
      background-color: var(--button-hover-color);
      transform: translateY(-2px);
    }

    .page-v1vn-com__floating-button--login {
      background-color: var(--accent-color);
    }

    .page-v1vn-com__floating-button--login:hover {
      background-color: #d88711;
      transform: translateY(-2px);
    }

    /* Responsive Adjustments */
    @media (max-width: 1024px) {
      .page-v1vn-com__hero-title {
        font-size: 2.5em;
      }
      .page-v1vn-com__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-v1vn-com__hero-section {
        height: 50vh;
      }
      .page-v1vn-com__hero-title {
        font-size: 2em;
      }
      .page-v1vn-com__hero-subtitle {
        font-size: 1.1em;
      }
      .page-v1vn-com__button {
        padding: 10px 20px;
        font-size: 0.9em;
      }
      .page-v1vn-com__section {
        padding: 30px 15px;
        margin-bottom: 15px;
      }
      .page-v1vn-com__section-title {
        font-size: 1.8em;
      }
      .page-v1vn-com__text-content p {
        font-size: 1em;
      }
      .page-v1vn-com__game-grid, .page-v1vn-com__promotion-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-v1vn-com__game-card-image, .page-v1vn-com__promotion-image {
        height: 180px;
      }
      .page-v1vn-com__game-card-title {
        font-size: 1.2em;
      }
      .page-v1vn-com__benefit-item {
        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;
      }
      .page-v1vn-com__benefits-list {
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-v1vn-com__faq-question,
      .page-v1vn-com__faq-answer {
        padding: 15px !important;
      }
      .page-v1vn-com__faq-question h3 {
        font-size: 0.95em;
      }
      .page-v1vn-com__faq-answer p {
        font-size: 0.9em;
      }
      .page-v1vn-com__floating-buttons {
        width: calc(100% - 30px);
        gap: 10px;
      }
      .page-v1vn-com__floating-button {
        padding: 12px 8px;
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-v1vn-com__hero-title {
        font-size: 1.8em;
      }
      .page-v1vn-com__hero-subtitle {
        font-size: 1em;
      }
      .page-v1vn-com__section-title {
        font-size: 1.6em;
      }
    }