:root {
      --page-win1b-com-primary-color: #e44d26; /* Cam đậm */
      --page-win1b-com-secondary-color: #f7931e; /* Cam nhạt */
      --page-win1b-com-accent-color: #4CAF50; /* Xanh lá */
      --page-win1b-com-text-color: #ffffff;
      --page-win1b-com-dark-bg: #1a1a1a;
      --page-win1b-com-light-bg: #2a2a2a;
      --page-win1b-com-border-color: #444;
      --page-win1b-com-button-hover: #ff6600;
      --page-win1b-com-shadow: rgba(0, 0, 0, 0.4);
    }

    .page-win1b-com {
      font-family: 'Arial', sans-serif;
      color: var(--page-win1b-com-text-color);
      background-color: var(--page-win1b-com-dark-bg);
      line-height: 1.6;
      padding-top: var(--header-offset, 122px); /* Fallback padding for fixed header */
    }

    .page-win1b-com__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-win1b-com__section--dark {
      background-color: var(--page-win1b-com-dark-bg);
    }

    .page-win1b-com__section--light {
      background-color: var(--page-win1b-com-light-bg);
    }

    .page-win1b-com__title {
      font-size: 2.5em;
      color: var(--page-win1b-com-primary-color);
      margin-bottom: 20px;
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-win1b-com__subtitle {
      font-size: 1.8em;
      color: var(--page-win1b-com-secondary-color);
      margin-bottom: 30px;
    }

    .page-win1b-com__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #ccc;
    }

    .page-win1b-com__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-win1b-com-primary-color);
      color: var(--page-win1b-com-text-color);
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
      font-size: 1em;
    }

    .page-win1b-com__button:hover {
      background-color: var(--page-win1b-com-button-hover);
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-win1b-com__hero-section {
      position: relative;
      padding: 10px 0 60px 0; /* Adjusted padding-top to avoid double offset */
      overflow: hidden;
    }

    .page-win1b-com__hero-image {
      width: 100%;
      height: 400px; /* Fixed height for hero image */
      object-fit: cover;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 5px 15px var(--page-win1b-com-shadow);
      max-width: 100%;
      box-sizing: border-box;
      transition: transform 0.3s ease;
    }

    .page-win1b-com__hero-image:hover {
        transform: scale(1.02);
    }

    .page-win1b-com__hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 20px;
    }

    .page-win1b-com__hero-title {
      font-size: 3em;
      color: var(--page-win1b-com-text-color);
      margin-top: 20px;
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px var(--page-win1b-com-shadow);
      font-weight: bold;
    }

    .page-win1b-com__hero-subtitle {
      font-size: 1.5em;
      color: var(--page-win1b-com-secondary-color);
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px var(--page-win1b-com-shadow);
    }

    /* Floating Buttons */
    .page-win1b-com__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
    }

    .page-win1b-com__floating-button {
      padding: 12px 30px;
      font-size: 1.1em;
      border-radius: 30px;
      box-shadow: 0 4px 10px var(--page-win1b-com-shadow);
      background-color: var(--page-win1b-com-primary-color);
      color: var(--page-win1b-com-text-color);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-win1b-com__floating-button--register {
      background-color: var(--page-win1b-com-accent-color);
    }

    .page-win1b-com__floating-button--register:hover {
      background-color: #45a049;
      transform: translateY(-3px);
    }

    .page-win1b-com__floating-button--login:hover {
      background-color: var(--page-win1b-com-button-hover);
      transform: translateY(-3px);
    }

    /* Product Grid */
    .page-win1b-com__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-win1b-com__product-card {
      background-color: var(--page-win1b-com-light-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px var(--page-win1b-com-shadow);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-win1b-com__product-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px var(--page-win1b-com-shadow);
    }

    .page-win1b-com__product-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
      border-bottom: 3px solid var(--page-win1b-com-primary-color);
    }

    .page-win1b-com__product-title {
      font-size: 1.4em;
      color: var(--page-win1b-com-secondary-color);
      margin: 15px 10px 10px;
      font-weight: bold;
    }

    .page-win1b-com__product-description {
      font-size: 0.95em;
      color: #bbb;
      padding: 0 15px;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    /* Promotions Section */
    .page-win1b-com__promotion-item {
      background-color: var(--page-win1b-com-light-bg);
      border-radius: 10px;
      padding: 25px;
      margin-bottom: 20px;
      text-align: left;
      border-left: 5px solid var(--page-win1b-com-primary-color);
      box-shadow: 0 2px 8px var(--page-win1b-com-shadow);
    }

    .page-win1b-com__promotion-item-title {
      font-size: 1.5em;
      color: var(--page-win1b-com-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-win1b-com__promotion-item-text {
      color: #ccc;
      margin-bottom: 15px;
    }

    /* Why Choose Us Section */
    .page-win1b-com__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-win1b-com__feature-card {
      background-color: var(--page-win1b-com-light-bg);
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 4px 10px var(--page-win1b-com-shadow);
      transition: transform 0.3s ease, background-color 0.3s ease;
      text-align: center;
      border-top: 3px solid var(--page-win1b-com-secondary-color);
    }

    .page-win1b-com__feature-card:hover {
      transform: translateY(-5px);
      background-color: #3a3a3a;
    }

    .page-win1b-com__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      display: block;
      margin-left: auto;
      margin-right: auto;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-win1b-com__feature-title {
      font-size: 1.3em;
      color: var(--page-win1b-com-secondary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-win1b-com__feature-description {
      color: #bbb;
      font-size: 0.95em;
    }

    /* Payment & Providers Section */
    .page-win1b-com__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      align-items: center;
      justify-items: center;
    }

    .page-win1b-com__logo-item {
      background-color: var(--page-win1b-com-light-bg);
      border-radius: 8px;
      padding: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 6px var(--page-win1b-com-shadow);
      transition: transform 0.2s ease;
      height: 100px; /* Uniform height for logos */
    }

    .page-win1b-com__logo-item:hover {
      transform: scale(1.05);
    }

    .page-win1b-com__logo-image {
      max-width: 100%;
      max-height: 70px; /* Max height for logos */
      object-fit: contain;
      display: block;
      box-sizing: border-box;
    }

    /* FAQ Section */
    .page-win1b-com__faq-container {
      margin-top: 30px;
      text-align: left;
    }

    .page-win1b-com__faq-item {
      background-color: var(--page-win1b-com-light-bg);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px var(--page-win1b-com-shadow);
    }

    .page-win1b-com__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #333;
      color: var(--page-win1b-com-text-color);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-win1b-com__faq-question:hover {
      background-color: #444;
    }

    .page-win1b-com__faq-question h3 {
      margin: 0;
      color: var(--page-win1b-com-secondary-color);
      font-size: 1em; /* Make h3 size consistent with parent */
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-win1b-com__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
    }

    .page-win1b-com__faq-item.active .page-win1b-com__faq-toggle {
      transform: rotate(45deg); /* Plus to X effect */
    }

    .page-win1b-com__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-win1b-com-dark-bg);
      color: #ccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-win1b-com__faq-item.active .page-win1b-com__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-win1b-com__section {
        padding: 30px 15px;
      }

      .page-win1b-com__title {
        font-size: 2em;
      }

      .page-win1b-com__subtitle {
        font-size: 1.4em;
      }

      .page-win1b-com__hero-title {
        font-size: 2.2em;
      }

      .page-win1b-com__hero-subtitle {
        font-size: 1.2em;
      }

      .page-win1b-com__hero-image {
        height: 250px;
      }

      .page-win1b-com__floating-buttons {
        gap: 10px;
        bottom: 15px;
        width: calc(100% - 30px);
        justify-content: center;
      }

      .page-win1b-com__floating-button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-win1b-com__product-grid,
      .page-win1b-com__features-grid,
      .page-win1b-com__logo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-win1b-com__product-image {
        height: 180px;
      }

      .page-win1b-com__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-win1b-com__faq-question h3 {
        font-size: 0.95em;
      }

      .page-win1b-com__faq-answer {
        padding: 0 15px;
      }

      .page-win1b-com__faq-item.active .page-win1b-com__faq-answer {
        padding: 15px !important;
      }

      /* List item responsiveness */
      .page-win1b-com__logo-grid .page-win1b-com__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 10px !important;
      }
      .page-win1b-com__logo-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-win1b-com__product-grid .page-win1b-com__product-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-win1b-com__product-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-win1b-com__features-grid .page-win1b-com__feature-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-win1b-com__features-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-win1b-com__hero-image,
      .page-win1b-com__product-image,
      .page-win1b-com__feature-icon,
      .page-win1b-com__logo-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-win1b-com__hero-section,
      .page-win1b-com__product-card,
      .page-win1b-com__feature-card,
      .page-win1b-com__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-win1b-com__text,
      .page-win1b-com__product-description,
      .page-win1b-com__promotion-item-text,
      .page-win1b-com__feature-description,
      .page-win1b-com__faq-answer {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }