:root {
      --primary-color: #e44d26; /* Màu đỏ cam rực rỡ */
      --secondary-color: #333;
      --accent-color: #ffcc00; /* Màu vàng kim cho điểm nhấn */
      --background-dark: #1a1a1a;
      --background-light: #f0f2f5;
      --text-light: #fff;
      --text-dark: #333;
      --border-color: #444;
      --button-bg-register: #4CAF50; /* Màu xanh lá cây cho đăng ký */
      --button-bg-login: #008CBA; /* Màu xanh dương cho đăng nhập */
      --button-text-color: #fff;
      --card-bg: #2a2a2a;
      --card-border: #555;
    }

    /* Base styles for the page */
    .page-18win11 {
      font-family: 'Arial', sans-serif;
      color: var(--text-light);
      background-color: var(--background-dark);
      line-height: 1.6;
      padding-top: 10px; /* Khoảng cách trang trí nhỏ, giả định padding-top của body đã xử lý bù trừ header */
    }

    .page-18win11__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-18win11__section {
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      background-color: var(--background-dark);
      text-align: center;
    }

    .page-18win11__section--alt {
      background-color: #222;
    }

    .page-18win11__title {
      color: var(--primary-color);
      font-size: 2.5em;
      margin-bottom: 20px;
      text-align: center;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-18win11__subtitle {
      color: var(--accent-color);
      font-size: 1.8em;
      margin-bottom: 15px;
      text-align: center;
    }

    .page-18win11__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #ccc;
    }

    .page-18win11__button-group {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-top: 30px;
    }

    .page-18win11__button {
      background-color: var(--primary-color);
      color: var(--button-text-color);
      padding: 12px 25px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
      display: inline-block;
    }

    .page-18win11__button:hover {
      background-color: #c0392b; /* Màu tối hơn của primary-color */
      transform: translateY(-2px);
    }

    .page-18win11__button--register {
      background-color: var(--button-bg-register);
    }
    .page-18win11__button--register:hover {
      background-color: #449d48;
    }

    .page-18win11__button--login {
      background-color: var(--button-bg-login);
    }
    .page-18win11__button--login:hover {
      background-color: #007bb5;
    }

    /* Hero Section */
    .page-18win11__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:betting,casino,vietnam,18win11]') no-repeat center center/cover;
      min-height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 60px 20px;
      position: relative;
    }

    .page-18win11__hero-content {
      max-width: 800px;
      z-index: 1;
    }

    .page-18win11__hero-title {
      font-size: 3.5em;
      color: var(--accent-color);
      margin-bottom: 15px;
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-18win11__hero-description {
      font-size: 1.3em;
      color: #eee;
      margin-bottom: 30px;
      text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    }

    /* Floating Buttons */
    .page-18win11__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
    }

    .page-18win11__floating-button {
      padding: 12px 25px;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--button-text-color);
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
    }

    .page-18win11__floating-button--register {
      background-color: var(--button-bg-register);
    }
    .page-18win11__floating-button--register:hover {
      background-color: #449d48;
      transform: translateY(-2px);
    }

    .page-18win11__floating-button--login {
      background-color: var(--button-bg-login);
    }
    .page-18win11__floating-button--login:hover {
      background-color: #007bb5;
      transform: translateY(-2px);
    }

    /* Image Styling */
    .page-18win11__image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin: 20px auto;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-18win11__image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
    }

    /* Product Grid */
    .page-18win11__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 40px;
    }

    .page-18win11__product-card {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 8px;
      padding: 20px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-18win11__product-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .page-18win11__product-image {
      max-width: 100%;
      height: auto;
      border-radius: 5px;
      margin-bottom: 15px;
      object-fit: cover;
      min-height: 200px; /* Đảm bảo hình ảnh không quá nhỏ */
    }

    .page-18win11__product-title {
      font-size: 1.4em;
      color: var(--accent-color);
      margin-bottom: 10px;
    }

    .page-18win11__product-description {
      font-size: 0.95em;
      color: #bbb;
      flex-grow: 1;
    }

    /* Promotions List */
    .page-18win11__promotion-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .page-18win11__promotion-item {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 8px;
      padding: 20px;
      text-align: left;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Quan trọng cho danh sách responsive */
    }

    .page-18win11__promotion-item:hover {
      transform: translateX(5px);
    }

    .page-18win11__promotion-title {
      font-size: 1.3em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-18win11__promotion-description {
      font-size: 1em;
      color: #ccc;
    }

    /* Payment & Providers Grid */
    .page-18win11__info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-18win11__info-item {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 8px;
      padding: 15px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
    }

    .page-18win11__info-image {
      max-width: 100px; /* Điều chỉnh max-width cho logo nhỏ hơn, nhưng đảm bảo hình ảnh tối thiểu 200x200px được sử dụng */
      height: auto;
      margin-bottom: 10px;
      border-radius: 4px;
      min-width: 100px; /* Đảm bảo hình ảnh không quá nhỏ */
      min-height: 100px;
      object-fit: contain;
    }

    .page-18win11__info-name {
      font-size: 1em;
      color: #eee;
      font-weight: bold;
    }

    /* FAQ Section */
    .page-18win11__faq-section {
      text-align: left;
    }

    .page-18win11__faq-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
    }

    .page-18win11__faq-item {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-18win11__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #333;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-18win11__faq-question:hover {
      background-color: #444;
    }

    .page-18win11__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--accent-color);
      pointer-events: none; /* Ngăn h3 chặn sự kiện click */
    }

    .page-18win11__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn nút chuyển đổi chặn sự kiện click */
    }

    .page-18win11__faq-item.active .page-18win11__faq-toggle {
      transform: rotate(45deg); /* Dấu cộng thành dấu X/trừ */
    }

    .page-18win11__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: #ccc;
      font-size: 1em;
    }

    .page-18win11__faq-item.active .page-18win11__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px !important;
      opacity: 1;
    }
    
    .page-18win11__faq-answer p {
        margin: 0;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-18win11__hero-title {
        font-size: 3em;
      }
      .page-18win11__hero-description {
        font-size: 1.1em;
      }
      .page-18win11__title {
        font-size: 2.2em;
      }
      .page-18win11__subtitle {
        font-size: 1.6em;
      }
    }

    @media (max-width: 768px) {
      .page-18win11__container {
        padding: 15px;
      }
      .page-18win11__hero-section {
        min-height: 400px;
        padding: 40px 15px;
      }
      .page-18win11__hero-title {
        font-size: 2.5em;
      }
      .page-18win11__hero-description {
        font-size: 1em;
      }
      .page-18win11__title {
        font-size: 2em;
      }
      .page-18win11__subtitle {
        font-size: 1.4em;
      }
      .page-18win11__button-group {
        flex-direction: column;
        gap: 10px;
      }
      .page-18win11__floating-buttons {
        flex-direction: column;
        gap: 10px;
        width: calc(100% - 40px);
        left: 20px;
        transform: none;
        bottom: 15px;
      }
      .page-18win11__floating-button {
        width: 100%;
        box-sizing: border-box;
      }

      .page-18win11__product-grid {
        grid-template-columns: 1fr;
      }

      .page-18win11__promotion-list {
        grid-template-columns: 1fr;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-18win11__promotion-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-18win11__promotion-description {
        word-break: break-word !important;
      }

      .page-18win11__info-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-18win11__info-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 10px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-18win11__info-name {
        word-break: break-word !important;
      }

      .page-18win11__faq-question {
        padding: 12px 15px;
      }
      .page-18win11__faq-question h3 {
        font-size: 1.1em;
      }
      .page-18win11__faq-answer {
        padding: 0 15px;
      }
      .page-18win11__faq-item.active .page-18win11__faq-answer {
        padding: 15px !important;
      }

      .page-18win11__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important; /* Đảm bảo không có padding thêm đẩy nội dung ra ngoài */
      }
      .page-18win11__image {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    @media (max-width: 480px) {
      .page-18win11__hero-title {
        font-size: 2em;
      }
      .page-18win11__hero-description {
        font-size: 0.9em;
      }
      .page-18win11__title {
        font-size: 1.8em;
      }
      .page-18win11__subtitle {
        font-size: 1.2em;
      }
    }