:root {
      --primary-color: #ffcc00; /* Vàng đặc trưng của 1win */
      --secondary-color: #333333; /* Nền tối */
      --text-light: #ffffff;
      --text-dark: #222222;
      --accent-color: #e0b300;
      --border-radius-small: 5px;
      --border-radius-medium: 10px;
      --padding-section: 40px 20px;
      --margin-bottom-section: 30px;
    }

    .page-1-win-trang-web {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: #f0f2f5; /* Nền nhẹ nhàng */
      padding-top: 10px; /* Adjust for fixed header */
    }

    .page-1-win-trang-web__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-1-win-trang-web__hero-section {
      background: linear-gradient(135deg, var(--secondary-color), #1a1a1a);
      color: var(--text-light);
      text-align: center;
      padding: var(--padding-section);
      padding-bottom: 80px; /* Make space for floating buttons */
      border-radius: var(--border-radius-medium);
      margin-bottom: var(--margin-bottom-section);
      position: relative;
      overflow: hidden;
    }

    .page-1-win-trang-web__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('[GALLERY:pattern:1920x1080:abstract,geometric,dark]'); /* Background pattern */
      background-size: cover;
      background-position: center;
      opacity: 0.1;
      z-index: 0;
    }

    .page-1-win-trang-web__hero-content {
      position: relative;
      z-index: 1;
    }

    .page-1-win-trang-web__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--primary-color);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-1-win-trang-web__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 25px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-1-win-trang-web__hero-image {
      width: 100%;
      max-width: 600px;
      height: auto;
      border-radius: var(--border-radius-medium);
      margin-top: 30px;
      box-shadow: 0 8px 16px rgba(0,0,0,0.3);
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-1-win-trang-web__section {
      background-color: var(--text-light);
      padding: var(--padding-section);
      border-radius: var(--border-radius-medium);
      margin-bottom: var(--margin-bottom-section);
      box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    }

    .page-1-win-trang-web__section-title {
      font-size: 2em;
      color: var(--secondary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-1-win-trang-web__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--primary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-1-win-trang-web__text-center {
      text-align: center;
    }

    .page-1-win-trang-web__button-group {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

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

    .page-1-win-trang-web__btn:hover {
      background-color: var(--accent-color);
      transform: translateY(-2px);
    }

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

    .page-1-win-trang-web__game-card {
      background-color: #f9f9f9;
      border-radius: var(--border-radius-medium);
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0,0,0,0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
      box-sizing: border-box; /* Important for responsive lists */
    }

    .page-1-win-trang-web__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 15px rgba(0,0,0,0.12);
    }

    .page-1-win-trang-web__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-1-win-trang-web__game-card-title {
      font-size: 1.3em;
      color: var(--secondary-color);
      margin: 15px 0 10px;
      padding: 0 15px;
    }

    .page-1-win-trang-web__game-card-description {
      font-size: 0.95em;
      color: #555;
      padding: 0 15px;
    }

    .page-1-win-trang-web__list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 15px;
    }

    .page-1-win-trang-web__list-item {
      background-color: #f0f0f0;
      padding: 15px 20px;
      border-radius: var(--border-radius-small);
      color: var(--secondary-color);
      font-weight: 500;
      box-shadow: 0 2px 5px rgba(0,0,0,0.05);
      box-sizing: border-box; /* Important for responsive lists */
    }

    .page-1-win-trang-web__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      background-color: rgba(0,0,0,0.85);
      padding: 10px 0;
      box-shadow: 0 -4px 10px rgba(0,0,0,0.3);
      z-index: 1000;
      gap: 10px;
      box-sizing: border-box;
    }

    .page-1-win-trang-web__floating-btn {
      flex: 1;
      max-width: 180px;
      padding: 12px 15px;
      background-color: var(--primary-color);
      color: var(--secondary-color);
      font-weight: bold;
      border-radius: var(--border-radius-small);
      text-decoration: none;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-size: 1em;
      box-sizing: border-box;
    }

    .page-1-win-trang-web__floating-btn:hover {
      background-color: var(--accent-color);
      transform: translateY(-2px);
    }

    /* FAQ Styles */
    .page-1-win-trang-web__faq-item {
      background-color: #fff;
      border: 1px solid #e0e0e0;
      border-radius: var(--border-radius-medium);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }

    .page-1-win-trang-web__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #f7f7f7;
      cursor: pointer;
      user-select: none;
      color: var(--secondary-color);
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-1-win-trang-web__faq-question:hover {
      background-color: #eee;
    }

    .page-1-win-trang-web__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-1-win-trang-web__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      width: 20px;
      text-align: center;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click on parent */
    }

    .page-1-win-trang-web__faq-item.active .page-1-win-trang-web__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-1-win-trang-web__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-dark);
    }

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-1-win-trang-web__hero-title {
        font-size: 2em;
      }

      .page-1-win-trang-web__hero-subtitle {
        font-size: 1em;
      }

      .page-1-win-trang-web__section-title {
        font-size: 1.6em;
      }

      .page-1-win-trang-web__btn {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      .page-1-win-trang-web__button-group {
        flex-direction: column;
        gap: 15px;
      }

      .page-1-win-trang-web__game-grid {
        grid-template-columns: 1fr;
      }

      .page-1-win-trang-web__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-1-win-trang-web__list {
        grid-template-columns: 1fr;
      }

      .page-1-win-trang-web__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 12px 15px !important; /* Adjust padding for smaller screens */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-1-win-trang-web__floating-buttons {
        gap: 5px;
        padding: 8px 10px;
      }

      .page-1-win-trang-web__floating-btn {
        padding: 10px 12px;
        font-size: 0.9em;
      }

      .page-1-win-trang-web__faq-question {
        padding: 12px 15px;
      }
      .page-1-win-trang-web__faq-question h3 {
        font-size: 1em;
      }
      .page-1-win-trang-web__faq-answer {
        padding: 0 15px;
      }
      .page-1-win-trang-web__faq-item.active .page-1-win-trang-web__faq-answer {
        padding: 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-1-win-trang-web__hero-title {
        font-size: 1.8em;
      }
      .page-1-win-trang-web__hero-subtitle {
        font-size: 0.9em;
      }
      .page-1-win-trang-web__section {
        padding: 30px 15px;
      }
      .page-1-win-trang-web__floating-buttons {
        flex-direction: row; /* Keep row for small phones, but allow wrap */
        flex-wrap: wrap;
        justify-content: center;
      }
      .page-1-win-trang-web__floating-btn {
        flex-basis: 45%; /* Allow buttons to take up half width */
        max-width: none;
        margin: 5px;
      }
    }