/* Các kiểu CSS dành riêng cho trang 789b1 com */
    :root {
      --page-789b1__primary-color: #007bff; /* Xanh dương */
      --page-789b1__secondary-color: #6c757d; /* Xám */
      --page-789b1__accent-color: #ffc107; /* Vàng */
      --page-789b1__background-light: #f8f9fa; /* Trắng nhạt */
      --page-789b1__text-dark: #212529; /* Đen đậm */
      --page-789b1__text-light: #ffffff; /* Trắng */
      --page-789b1__border-color: #dee2e6; /* Xám viền */
      --page-789b1__button-bg: #dc3545; /* Đỏ cho nút đăng nhập */
      --page-789b1__button-hover: #c82333; /* Đỏ đậm hơn khi hover */
    }

    .page-789b1 {
      font-family: 'Arial', sans-serif;
      color: var(--page-789b1__text-dark);
      background-color: var(--page-789b1__background-light);
      line-height: 1.6;
    }

    .page-789b1__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-789b1__section {
      padding: 40px 0;
      margin-bottom: 20px;
      background-color: var(--page-789b1__text-light);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-789b1__section--hero {
      background-color: var(--page-789b1__primary-color);
      color: var(--page-789b1__text-light);
      text-align: center;
      padding: 10px 0 0 0; /* Adjusted padding-top for fixed header */
      border-radius: 0;
      box-shadow: none;
      overflow: hidden;
      position: relative;
    }

    .page-789b1__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 20px;
    }

    .page-789b1__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Ensure image maintains aspect ratio */
      border-radius: 8px;
    }

    .page-789b1__hero-content {
      padding: 20px;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-789b1__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-789b1__accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .page-789b1__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-789b1__text-light);
    }

    .page-789b1__button {
      display: inline-block;
      background-color: var(--page-789b1__button-bg);
      color: var(--page-789b1__text-light);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-789b1__button:hover {
      background-color: var(--page-789b1__button-hover);
    }

    .page-789b1__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      animation: page-789b1__pulse 2s infinite;
    }

    @keyframes page-789b1__pulse {
      0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7);
      }
      70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(220, 53, 69, 0);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0);
      }
    }

    .page-789b1__title {
      text-align: center;
      color: var(--page-789b1__primary-color);
      font-size: 2.2em;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-789b1__title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-789b1__accent-color);
      border-radius: 2px;
    }

    .page-789b1__text-center {
      text-align: center;
    }

    .page-789b1__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 0 20px;
    }

    .page-789b1__card {
      background-color: var(--page-789b1__background-light);
      border: 1px solid var(--page-789b1__border-color);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
    }

    .page-789b1__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }

    .page-789b1__card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistent card appearance */
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-789b1__card-image {
      width: 100%;
      height: 100%;
      object-fit: cover; /* Cover the area, cropping if necessary */
      display: block;
    }

    .page-789b1__card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-789b1__card-title {
      font-size: 1.4em;
      margin-bottom: 10px;
      color: var(--page-789b1__primary-color);
      text-decoration: none; /* Ensure link text is not underlined by default */
    }

    .page-789b1__card-title a {
      color: var(--page-789b1__primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-789b1__card-title a:hover {
      color: var(--page-789b1__button-bg);
    }

    .page-789b1__card-description {
      font-size: 0.95em;
      color: var(--page-789b1__secondary-color);
      margin-bottom: 15px;
    }

    .page-789b1__providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      padding: 0 20px;
      justify-items: center;
      align-items: center;
    }

    .page-789b1__provider-logo-wrapper {
      width: 100%;
      max-width: 200px; /* Max width for logos */
      height: 100px; /* Fixed height for consistency */
      overflow: hidden;
      box-sizing: border-box;
      border: 1px solid var(--page-789b1__border-color);
      border-radius: 8px;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: var(--page-789b1__text-light);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease;
    }

    .page-789b1__provider-logo-wrapper:hover {
      transform: translateY(-3px);
    }

    .page-789b1__provider-logo {
      max-width: 90%;
      max-height: 90%;
      object-fit: contain;
      display: block;
    }

    .page-789b1__list {
      list-style: none;
      padding: 0;
      margin: 0;
      padding: 0 20px;
    }

    .page-789b1__list-item {
      background-color: var(--page-789b1__background-light);
      border: 1px solid var(--page-789b1__border-color);
      border-radius: 5px;
      margin-bottom: 10px;
      padding: 15px 20px;
      display: flex;
      align-items: center;
      font-size: 1.1em;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.03);
    }

    .page-789b1__list-item::before {
      content: '✅';
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-789b1__faq-section {
      padding: 40px 0;
      background-color: var(--page-789b1__text-light);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      margin-bottom: 20px;
    }

    .page-789b1__faq-container {
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .page-789b1__faq-item {
      border: 1px solid var(--page-789b1__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      background-color: var(--page-789b1__background-light);
    }

    .page-789b1__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-789b1__primary-color);
      color: var(--page-789b1__text-light);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-789b1__faq-question:hover {
      background-color: var(--page-789b1__button-bg);
    }

    .page-789b1__faq-question h3 {
      margin: 0;
      color: inherit;
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-789b1__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-789b1__faq-item.active .page-789b1__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-789b1__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;
      background-color: var(--page-789b1__text-light);
      color: var(--page-789b1__text-dark);
      font-size: 0.95em;
    }

    .page-789b1__faq-item.active .page-789b1__faq-answer {
      max-height: 2000px !important; /* Use !important to override */
      padding: 20px 15px !important; /* Use !important to override */
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-789b1__hero-title {
        font-size: 2em;
      }

      .page-789b1__hero-description {
        font-size: 1em;
      }

      .page-789b1__title {
        font-size: 1.8em;
      }

      .page-789b1__grid {
        grid-template-columns: 1fr;
        padding: 0 15px;
      }

      .page-789b1__section {
        padding: 30px 0;
      }

      .page-789b1__card-image-wrapper {
        height: 180px;
      }

      .page-789b1__card-title {
        font-size: 1.2em;
      }

      .page-789b1__card-description {
        font-size: 0.9em;
      }

      .page-789b1__providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        padding: 0 15px;
      }

      .page-789b1__provider-logo-wrapper {
        max-width: 150px;
        height: 80px;
      }

      .page-789b1__list-item {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-789b1__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 0.95em;
      }

      .page-789b1__faq-question {
        font-size: 1em;
        padding: 12px 15px;
      }

      .page-789b1__faq-question h3 {
        font-size: 1em;
      }

      .page-789b1__faq-answer {
        font-size: 0.9em;
      }

      /* Image responsive optimization for mobile */
      .page-789b1__hero-image,
      .page-789b1__card-image,
      .page-789b1__provider-logo,
      .page-789b1__content-image {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-789b1__hero-image-wrapper,
      .page-789b1__card-image-wrapper,
      .page-789b1__provider-logo-wrapper,
      .page-789b1__content-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }