:root {
      --page-1-bmw-win-primary-color: #e0b02d; /* Vàng đồng */
      --page-1-bmw-win-secondary-color: #f44336; /* Đỏ */
      --page-1-bmw-win-dark-bg: #1a1a1a; /* Nền tối */
      --page-1-bmw-win-light-text: #ffffff; /* Chữ sáng */
      --page-1-bmw-win-accent-color: #4CAF50; /* Xanh lá */
      --page-1-bmw-win-border-color: #333333;
      --page-1-bmw-win-text-gray: #cccccc;
    }

    .page-1-bmw-win {
      font-family: 'Arial', sans-serif;
      color: var(--page-1-bmw-win-light-text);
      background-color: var(--page-1-bmw-win-dark-bg);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-1-bmw-win__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-1-bmw-win__section {
      padding: 60px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      background-color: #222222;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-1-bmw-win__section--dark {
      background-color: #1a1a1a;
    }

    .page-1-bmw-win__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:betting,casino,vietnam,1bmwwin]') no-repeat center center/cover;
      text-align: center;
      padding: 100px 20px;
      position: relative;
      padding-top: 10px; /* Adjusted for header offset */
    }

    .page-1-bmw-win__hero-title {
      font-size: 3.5em;
      color: var(--page-1-bmw-win-primary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-1-bmw-win__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-1-bmw-win-light-text);
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-1-bmw-win__button {
      background-color: var(--page-1-bmw-win-secondary-color);
      color: var(--page-1-bmw-win-light-text);
      padding: 15px 30px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-decoration: none;
      display: inline-block;
      text-align: center;
    }

    .page-1-bmw-win__button:hover {
      background-color: #d32f2f;
      transform: translateY(-2px);
    }

    .page-1-bmw-win__button--primary {
      background-color: var(--page-1-bmw-win-primary-color);
      color: var(--page-1-bmw-win-dark-bg);
    }

    .page-1-bmw-win__button--primary:hover {
      background-color: #c9a022;
    }

    .page-1-bmw-win__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-1-bmw-win__floating-button {
      background-color: var(--page-1-bmw-win-primary-color);
      color: var(--page-1-bmw-win-dark-bg);
      padding: 12px 25px;
      border: none;
      border-radius: 50px;
      font-size: 1em;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.3s ease;
      font-weight: bold;
      text-transform: uppercase;
    }

    .page-1-bmw-win__floating-button:hover {
      background-color: #c9a022;
      transform: translateY(-3px);
    }

    .page-1-bmw-win__floating-button--secondary {
      background-color: var(--page-1-bmw-win-secondary-color);
      color: var(--page-1-bmw-win-light-text);
    }

    .page-1-bmw-win__floating-button--secondary:hover {
      background-color: #d32f2f;
    }

    .page-1-bmw-win__heading {
      font-size: 2.5em;
      color: var(--page-1-bmw-win-primary-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }

    .page-1-bmw-win__heading::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background-color: var(--page-1-bmw-win-secondary-color);
      margin: 15px auto 0;
      border-radius: 2px;
    }

    .page-1-bmw-win__sub-heading {
      font-size: 1.8em;
      color: var(--page-1-bmw-win-light-text);
      margin-bottom: 20px;
      text-align: center;
    }

    .page-1-bmw-win__text {
      font-size: 1.1em;
      color: var(--page-1-bmw-win-text-gray);
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-1-bmw-win__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-1-bmw-win__card {
      background-color: #2a2a2a;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
    }

    .page-1-bmw-win__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
    }

    .page-1-bmw-win__card-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-1-bmw-win__card-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      height: 100%;
    }

    .page-1-bmw-win__card-content {
      padding: 25px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-1-bmw-win__card-title {
      font-size: 1.5em;
      color: var(--page-1-bmw-win-primary-color);
      margin-bottom: 15px;
    }

    .page-1-bmw-win__card-description {
      color: var(--page-1-bmw-win-text-gray);
      font-size: 0.95em;
      margin-bottom: 20px;
    }

    .page-1-bmw-win__promotion-item {
      display: flex;
      align-items: center;
      gap: 30px;
      background-color: #2a2a2a;
      padding: 25px;
      border-radius: 8px;
      margin-bottom: 20px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-1-bmw-win__promotion-image-wrapper {
      flex-shrink: 0;
      width: 250px;
      height: 150px;
      overflow: hidden;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-1-bmw-win__promotion-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      height: 100%;
    }

    .page-1-bmw-win__promotion-content {
      flex-grow: 1;
    }

    .page-1-bmw-win__promotion-title {
      font-size: 1.6em;
      color: var(--page-1-bmw-win-accent-color);
      margin-bottom: 10px;
    }

    .page-1-bmw-win__promotion-description {
      color: var(--page-1-bmw-win-text-gray);
      font-size: 1em;
      margin-bottom: 15px;
    }

    .page-1-bmw-win__faq-list {
      list-style: none;
      padding: 0;
      margin-top: 40px;
    }

    .page-1-bmw-win__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-1-bmw-win__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      background-color: #333333;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      color: var(--page-1-bmw-win-light-text);
      font-weight: bold;
    }

    .page-1-bmw-win__faq-question:hover {
      background-color: #444444;
    }

    .page-1-bmw-win__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-1-bmw-win-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-1-bmw-win__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-1-bmw-win-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-1-bmw-win__faq-item.active .page-1-bmw-win__faq-toggle {
      transform: rotate(45deg);
    }

    .page-1-bmw-win__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: var(--page-1-bmw-win-text-gray);
      background-color: #2a2a2a;
      font-size: 1em;
    }

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

    .page-1-bmw-win__news-item {
      background-color: #2a2a2a;
      border-radius: 8px;
      padding: 20px;
      margin-bottom: 20px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-1-bmw-win__news-title {
      font-size: 1.4em;
      color: var(--page-1-bmw-win-primary-color);
      margin-bottom: 10px;
    }

    .page-1-bmw-win__news-date {
      font-size: 0.9em;
      color: var(--page-1-bmw-win-text-gray);
      margin-bottom: 15px;
      display: block;
    }

    .page-1-bmw-win__news-content {
      color: var(--page-1-bmw-win-text-gray);
      font-size: 1em;
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .page-1-bmw-win__hero-title {
        font-size: 2.8em;
      }
      .page-1-bmw-win__hero-subtitle {
        font-size: 1.3em;
      }
      .page-1-bmw-win__heading {
        font-size: 2em;
      }
      .page-1-bmw-win__promotion-item {
        flex-direction: column;
        text-align: center;
      }
      .page-1-bmw-win__promotion-image-wrapper {
        width: 100%;
        height: 200px;
      }
    }

    @media (max-width: 768px) {
      .page-1-bmw-win__container {
        padding: 15px;
      }
      .page-1-bmw-win__section {
        padding: 40px 15px;
      }
      .page-1-bmw-win__hero-section {
        padding: 80px 15px;
      }
      .page-1-bmw-win__hero-title {
        font-size: 2.2em;
      }
      .page-1-bmw-win__hero-subtitle {
        font-size: 1.1em;
      }
      .page-1-bmw-win__heading {
        font-size: 1.8em;
      }
      .page-1-bmw-win__sub-heading {
        font-size: 1.5em;
      }
      .page-1-bmw-win__text {
        font-size: 1em;
      }
      .page-1-bmw-win__grid {
        grid-template-columns: 1fr;
      }
      .page-1-bmw-win__card-image-wrapper {
        height: 180px;
      }
      .page-1-bmw-win__floating-buttons {
        bottom: 15px;
        right: 15px;
        flex-direction: row;
        width: calc(100% - 30px);
        justify-content: center;
      }
      .page-1-bmw-win__floating-button {
        flex: 1;
        padding: 10px 15px;
        font-size: 0.9em;
      }
      .page-1-bmw-win__promotion-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        height: 180px;
        margin-bottom: 15px;
      }
      .page-1-bmw-win__promotion-item {
        padding: 15px;
      }
      .page-1-bmw-win__promotion-title {
        font-size: 1.4em;
      }
      .page-1-bmw-win__faq-question {
        padding: 15px;
      }
      .page-1-bmw-win__faq-question h3 {
        font-size: 1.1em;
      }
      .page-1-bmw-win__faq-answer {
        padding: 15px 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-1-bmw-win__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-1-bmw-win__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
    }

    @media (max-width: 480px) {
      .page-1-bmw-win__hero-title {
        font-size: 1.8em;
      }
      .page-1-bmw-win__hero-subtitle {
        font-size: 0.9em;
      }
      .page-1-bmw-win__heading {
        font-size: 1.5em;
      }
      .page-1-bmw-win__floating-buttons {
        flex-direction: column;
        align-items: center;
        width: auto;
        left: 50%;
        transform: translateX(-50%);
        right: auto;
      }
      .page-1-bmw-win__floating-button {
        width: 200px;
      }
    }