:root {
      --page-onlinelottery__primary-color: #f7b32b; /* Vàng cam */
      --page-onlinelottery__secondary-color: #333; /* Xám đậm */
      --page-onlinelottery__background-color: #1a1a1a; /* Nền rất tối */
      --page-onlinelottery__text-color: #e0e0e0; /* Trắng xám */
      --page-onlinelottery__accent-color: #e74c3c; /* Đỏ nhấn */
      --page-onlinelottery__border-color: #444; /* Viền xám */
      --page-onlinelottery__card-background: #2c2c2c; /* Nền thẻ */
      --page-onlinelottery__hover-color: #f1c40f; /* Vàng khi hover */
    }

    .page-onlinelottery {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-onlinelottery__background-color);
      color: var(--page-onlinelottery__text-color);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 120px; /* Dành chỗ cho header cố định */
    }

    .page-onlinelottery__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-onlinelottery__hero-section {
      text-align: center;
      padding: 40px 20px;
      background: linear-gradient(135deg, var(--page-onlinelottery__background-color), var(--page-onlinelottery__secondary-color));
      margin-bottom: 30px;
      position: relative;
    }

    .page-onlinelottery__hero-image {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      margin-bottom: 20px;
      display: block; /* Đảm bảo hình ảnh không bị dãn */
      margin-left: auto;
      margin-right: auto;
    }

    .page-onlinelottery__hero-title {
      font-size: 3em;
      color: var(--page-onlinelottery__primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-onlinelottery__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-onlinelottery__text-color);
      margin-bottom: 30px;
    }

    .page-onlinelottery__cta-button {
      display: inline-block;
      background-color: var(--page-onlinelottery__accent-color);
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    }

    .page-onlinelottery__cta-button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    .page-onlinelottery__section-title {
      font-size: 2.5em;
      color: var(--page-onlinelottery__primary-color);
      text-align: center;
      margin: 50px 0 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-onlinelottery__content-block {
      background-color: var(--page-onlinelottery__card-background);
      padding: 30px;
      border-radius: 10px;
      margin-bottom: 30px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .page-onlinelottery__content-block p {
      margin-bottom: 15px;
      color: var(--page-onlinelottery__text-color);
    }

    .page-onlinelottery__content-block h3 {
      color: var(--page-onlinelottery__primary-color);
      font-size: 1.8em;
      margin-bottom: 20px;
      border-bottom: 2px solid var(--page-onlinelottery__border-color);
      padding-bottom: 10px;
    }

    .page-onlinelottery__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-bottom: 40px;
    }

    .page-onlinelottery__game-card {
      background-color: var(--page-onlinelottery__card-background);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      border: 1px solid var(--page-onlinelottery__border-color);
    }

    .page-onlinelottery__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
    }

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

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

    .page-onlinelottery__game-card-title {
      font-size: 1.5em;
      color: var(--page-onlinelottery__primary-color);
      margin-bottom: 10px;
      min-height: 48px; /* Đảm bảo chiều cao tối thiểu cho tiêu đề */
    }

    .page-onlinelottery__game-card-description {
      font-size: 0.9em;
      color: var(--page-onlinelottery__text-color);
      margin-bottom: 15px;
    }

    .page-onlinelottery__game-card-link {
      display: inline-block;
      background-color: var(--page-onlinelottery__accent-color);
      color: #fff;
      padding: 10px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-onlinelottery__game-card-link:hover {
      background-color: #c0392b;
    }

    .page-onlinelottery__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-bottom: 40px;
      justify-items: center;
    }

    .page-onlinelottery__provider-logo {
      width: 150px; /* Đảm bảo kích thước lớn hơn 200x200 cho logo */
      height: 100px;
      object-fit: contain;
      background-color: #fff;
      padding: 10px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-onlinelottery__provider-logo:hover {
      transform: scale(1.05);
    }

    .page-onlinelottery__list {
      list-style-type: none;
      padding-left: 0;
    }

    .page-onlinelottery__list-item {
      background-color: #3a3a3a;
      border: 1px solid var(--page-onlinelottery__border-color);
      margin-bottom: 10px;
      padding: 15px 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    }

    .page-onlinelottery__list-item::before {
      content: "⭐";
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-onlinelottery__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
    }

    .page-onlinelottery__floating-button {
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: var(--page-onlinelottery__accent-color);
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-align: center;
      line-height: 1.2;
    }

    .page-onlinelottery__floating-button:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
    }

    /* FAQ Section */
    .page-onlinelottery__faq-section {
      background-color: var(--page-onlinelottery__card-background);
      padding: 30px;
      border-radius: 10px;
      margin-bottom: 30px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .page-onlinelottery__faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-onlinelottery__border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-onlinelottery__faq-question {
      background-color: #3a3a3a;
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-onlinelottery__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-onlinelottery__faq-question h3 {
      margin: 0;
      color: var(--page-onlinelottery__primary-color);
      font-size: 1.2em;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

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

    .page-onlinelottery__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      background-color: var(--page-onlinelottery__card-background);
      color: var(--page-onlinelottery__text-color);
    }

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

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-onlinelottery {
        padding-top: 100px; /* Điều chỉnh cho header cố định trên di động */
      }

      .page-onlinelottery__hero-title {
        font-size: 2.2em;
      }

      .page-onlinelottery__hero-subtitle {
        font-size: 1.2em;
      }

      .page-onlinelottery__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-onlinelottery__section-title {
        font-size: 2em;
        margin: 40px 0 25px;
      }

      .page-onlinelottery__content-block {
        padding: 20px;
      }

      .page-onlinelottery__content-block h3 {
        font-size: 1.5em;
      }

      .page-onlinelottery__game-grid,
      .page-onlinelottery__provider-grid {
        grid-template-columns: 1fr;
      }

      .page-onlinelottery__game-card-image {
        height: 180px;
      }

      .page-onlinelottery__floating-button {
        padding: 12px 20px !important;
        font-size: 0.9em !important;
        bottom: 15px !important;
        right: 15px !important;
      }

      .page-onlinelottery__faq-question {
        padding: 12px 15px;
      }

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

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

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

      /* Image responsive optimization */
      img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-onlinelottery__hero-image,
      .page-onlinelottery__game-card-image,
      .page-onlinelottery__provider-logo {
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-onlinelottery__provider-logo {
        max-width: 150px !important; /* Vẫn giữ chiều rộng tối đa cho logo để không quá lớn */
      }
    }