:root {
      --page-b52club-primary-color: #f7b731; /* Vàng cam */
      --page-b52club-secondary-color: #333; /* Đen xám */
      --page-b52club-text-color: #fff; /* Trắng */
      --page-b52club-background-dark: #1a1a1a; /* Nền tối */
      --page-b52club-background-light: #2c2c2c; /* Nền sáng hơn */
      --page-b52club-border-color: #444; /* Màu viền */
      --page-b52club-button-hover: #e0a32a; /* Màu nút hover */
    }

    .page-b52club {
      font-family: 'Arial', sans-serif;
      color: var(--page-b52club-text-color);
      background-color: var(--page-b52club-background-dark);
      line-height: 1.6;
      padding-top: 120px; /* Điều chỉnh để tránh bị header cố định che */
    }

    .page-b52club__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-b52club__hero-section {
      text-align: center;
      padding: 0; /* Hero image handles its own padding */
      margin-bottom: 40px;
      background-color: var(--page-b52club-background-dark);
    }

    .page-b52club__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover; /* Đảm bảo hình ảnh không bị biến dạng */
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-b52club__hero-content {
      padding: 40px 20px;
      background-color: var(--page-b52club-background-light);
      border-bottom: 5px solid var(--page-b52club-primary-color);
    }

    .page-b52club__main-heading {
      color: var(--page-b52club-primary-color);
      font-size: 2.8em;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-b52club__sub-heading {
      font-size: 1.4em;
      color: var(--page-b52club-text-color);
      margin-bottom: 30px;
    }

    .page-b52club__promo-button {
      display: inline-block;
      background-color: var(--page-b52club-primary-color);
      color: var(--page-b52club-background-dark);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .page-b52club__promo-button:hover {
      background-color: var(--page-b52club-button-hover);
    }

    .page-b52club__section {
      background-color: var(--page-b52club-background-light);
      margin-bottom: 30px;
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-b52club__section-title {
      color: var(--page-b52club-primary-color);
      font-size: 2em;
      margin-bottom: 25px;
      text-align: center;
      border-bottom: 2px solid var(--page-b52club-primary-color);
      padding-bottom: 10px;
      display: inline-block;
      width: auto;
      margin-left: auto;
      margin-right: auto;
    }

    .page-b52club__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 20px;
    }

    .page-b52club__card {
      background-color: var(--page-b52club-background-dark);
      border: 1px solid var(--page-b52club-border-color);
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      padding-bottom: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease;
    }

    .page-b52club__card:hover {
      transform: translateY(-5px);
    }

    .page-b52club__card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-b52club__card-title {
      color: var(--page-b52club-primary-color);
      font-size: 1.4em;
      margin: 15px 10px 10px;
    }

    .page-b52club__card-text {
      color: #ccc;
      padding: 0 15px;
      font-size: 0.95em;
    }

    .page-b52club__list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-b52club__list-item {
      background-color: var(--page-b52club-background-dark);
      border: 1px solid var(--page-b52club-border-color);
      margin-bottom: 10px;
      padding: 15px;
      border-radius: 5px;
      display: flex;
      align-items: center;
      color: #ddd;
    }

    .page-b52club__list-item::before {
      content: '✔';
      color: var(--page-b52club-primary-color);
      margin-right: 10px;
      font-weight: bold;
    }

    .page-b52club__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* Smaller grid for logos */
      gap: 20px;
      margin-top: 20px;
      justify-items: center;
      align-items: center;
    }

    .page-b52club__provider-logo {
      width: 150px; /* Fixed width for logos */
      height: 80px; /* Fixed height for logos */
      object-fit: contain; /* Ensure logo is fully visible */
      background-color: #fff; /* White background for logos */
      padding: 10px;
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-b52club__provider-logo:hover {
      transform: scale(1.05);
    }

    .page-b52club__login-steps {
      counter-reset: step-counter;
      padding-left: 0;
      list-style: none;
    }

    .page-b52club__login-step-item {
      background-color: var(--page-b52club-background-dark);
      border: 1px solid var(--page-b52club-border-color);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      position: relative;
      padding-left: 60px;
    }

    .page-b52club__login-step-item::before {
      counter-increment: step-counter;
      content: counter(step-counter);
      position: absolute;
      left: 20px;
      top: 50%;
      transform: translateY(-50%);
      background-color: var(--page-b52club-primary-color);
      color: var(--page-b52club-background-dark);
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.1em;
    }

    .page-b52club__login-step-title {
      color: var(--page-b52club-primary-color);
      margin-top: 0;
      margin-bottom: 5px;
    }

    .page-b52club__login-step-description {
      color: #ddd;
    }

    .page-b52club__faq-list {
      list-style: none;
      padding: 0;
    }

    .page-b52club__faq-item {
      background-color: var(--page-b52club-background-dark);
      border: 1px solid var(--page-b52club-border-color);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
    }

    .page-b52club__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-b52club-background-light);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-b52club__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-b52club__faq-question h3 {
      color: var(--page-b52club-text-color);
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-b52club__faq-toggle {
      font-size: 1.5em;
      color: var(--page-b52club-primary-color);
      font-weight: bold;
      pointer-events: none; /* Prevent toggle from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-b52club__faq-item.active .page-b52club__faq-toggle {
      transform: rotate(45deg); /* Plus to X effect */
    }

    .page-b52club__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;
      color: #ddd;
    }

    .page-b52club__faq-item.active .page-b52club__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show all content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Floating Login Button */
    .page-b52club__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-b52club-primary-color);
      color: var(--page-b52club-background-dark);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }

    .page-b52club__floating-button:hover {
      background-color: var(--page-b52club-button-hover);
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-b52club {
        padding-top: 100px !important; /* Mobile override for header */
      }

      .page-b52club__main-heading {
        font-size: 2em;
      }

      .page-b52club__sub-heading {
        font-size: 1.1em;
      }

      .page-b52club__promo-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-b52club__section-title {
        font-size: 1.6em;
      }

      .page-b52club__card-title {
        font-size: 1.2em;
      }

      .page-b52club__card-image {
        height: 180px;
      }

      .page-b52club__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-b52club__provider-logo {
        width: 120px;
        height: 60px;
        padding: 8px;
      }

      .page-b52club__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 0.95em;
      }

      .page-b52club__faq-question {
        padding: 12px 15px;
      }

      .page-b52club__faq-question h3 {
        font-size: 1em;
      }

      .page-b52club__faq-answer {
        padding: 0 10px;
      }

      .page-b52club__faq-item.active .page-b52club__faq-answer {
        padding: 15px 10px !important;
      }

      .page-b52club__hero-image,
      .page-b52club__card-image,
      .page-b52club__provider-logo {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-b52club__hero-image-container,
      .page-b52club__card,
      .page-b52club__provider-logo-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }