:root {
      --primary-color: #e0b100; /* Vàng hổ phách */
      --secondary-color: #1a1a1a; /* Gần đen */
      --accent-color: #ff4d4d; /* Đỏ nhấn */
      --text-color: #f0f0f0; /* Trắng nhạt */
      --dark-text-color: #333; /* Văn bản tối */
      --background-dark: #0d0d0d; /* Nền rất tối */
      --background-light: #1c1c1c; /* Nền tối nhẹ */
      --border-color: #333; /* Màu viền */
      --button-bg-register: #4CAF50; /* Xanh lá cây */
      --button-bg-login: #008CBA; /* Xanh dương */
      --button-text-color: #ffffff;
      --gradient-start: #333;
      --gradient-end: #111;
    }

    /* Base styles for the page */
    .page-22-vip-d-ng-nh-p {
      font-family: 'Arial', sans-serif;
      color: var(--text-color);
      background-color: var(--background-dark);
      line-height: 1.6;
      padding-top: 10px; /* Small decorative padding, relying on body padding-top for header offset */
    }

    .page-22-vip-d-ng-nh-p__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      border: 1px solid var(--border-color);
    }

    .page-22-vip-d-ng-nh-p__section--hero {
      text-align: center;
      padding: 60px 20px;
      background-image: url('[GALLERY:hero:1920x1080:betting,casino,lights,dynamic]');
      background-size: cover;
      background-position: center;
      position: relative;
      overflow: hidden;
      color: #fff;
      border-radius: 0;
      margin-bottom: 0;
    }

    .page-22-vip-d-ng-nh-p__overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.6);
      z-index: 1;
    }

    .page-22-vip-d-ng-nh-p__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-22-vip-d-ng-nh-p__hero-title {
      font-size: 3.2em;
      margin-bottom: 15px;
      color: var(--primary-color);
      text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
      font-weight: bold;
      line-height: 1.2;
    }

    .page-22-vip-d-ng-nh-p__hero-subtitle {
      font-size: 1.4em;
      margin-bottom: 30px;
      color: var(--text-color);
    }

    .page-22-vip-d-ng-nh-p__button-group {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-22-vip-d-ng-nh-p__button {
      background-color: var(--primary-color);
      color: var(--background-dark);
      padding: 15px 30px;
      border: none;
      border-radius: 5px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
      display: inline-block;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-22-vip-d-ng-nh-p__button:hover {
      background-color: #ffc107;
      transform: translateY(-2px);
    }

    .page-22-vip-d-ng-nh-p__heading {
      font-size: 2.5em;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 30px;
      text-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
    }

    .page-22-vip-d-ng-nh-p__subheading {
      font-size: 1.8em;
      color: var(--text-color);
      margin-bottom: 20px;
      border-bottom: 2px solid var(--primary-color);
      padding-bottom: 10px;
      display: inline-block;
      margin-left: auto;
      margin-right: auto;
      width: fit-content;
    }

    .page-22-vip-d-ng-nh-p__text-content {
      max-width: 800px;
      margin: 0 auto 30px auto;
      font-size: 1.1em;
      color: var(--text-color);
    }

    .page-22-vip-d-ng-nh-p__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-22-vip-d-ng-nh-p__card {
      background-color: var(--background-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .page-22-vip-d-ng-nh-p__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-22-vip-d-ng-nh-p__card-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
    }

    .page-22-vip-d-ng-nh-p__card-content {
      padding: 20px;
    }

    .page-22-vip-d-ng-nh-p__card-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .page-22-vip-d-ng-nh-p__card-description {
      font-size: 0.95em;
      color: var(--text-color);
    }

    .page-22-vip-d-ng-nh-p__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-22-vip-d-ng-nh-p__promo-item {
      background-color: var(--background-light);
      border-radius: 8px;
      padding: 25px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--primary-color);
      text-align: center;
    }

    .page-22-vip-d-ng-nh-p__promo-title {
      font-size: 1.8em;
      color: var(--primary-color);
      margin-bottom: 15px;
    }

    .page-22-vip-d-ng-nh-p__promo-description {
      font-size: 1.05em;
      color: var(--text-color);
      margin-bottom: 20px;
    }

    .page-22-vip-d-ng-nh-p__promo-button {
      background-color: var(--accent-color);
      color: var(--button-text-color);
      padding: 12px 25px;
      border: none;
      border-radius: 5px;
      font-size: 1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-22-vip-d-ng-nh-p__promo-button:hover {
      background-color: #ff6b6b;
      transform: translateY(-2px);
    }

    .page-22-vip-d-ng-nh-p__about-content {
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
    }

    .page-22-vip-d-ng-nh-p__about-text {
      margin-bottom: 20px;
      font-size: 1.1em;
    }

    .page-22-vip-d-ng-nh-p__feature-list {
      list-style: none;
      padding: 0;
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
    }

    .page-22-vip-d-ng-nh-p__feature-item {
      background-color: var(--background-light);
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: 8px;
      text-align: left;
      flex: 1 1 calc(33% - 40px);
      min-width: 280px;
      box-sizing: border-box;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-22-vip-d-ng-nh-p__feature-item h3 {
      color: var(--primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-22-vip-d-ng-nh-p__feature-item p {
      font-size: 0.95em;
      color: var(--text-color);
    }

    /* FAQ Section */
    .page-22-vip-d-ng-nh-p__faq-section {
      max-width: 900px;
      margin: 0 auto;
    }

    .page-22-vip-d-ng-nh-p__faq-item {
      background-color: var(--background-light);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .page-22-vip-d-ng-nh-p__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: var(--secondary-color);
      color: var(--primary-color);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-22-vip-d-ng-nh-p__faq-question:hover {
      background-color: #2a2a2a;
    }

    .page-22-vip-d-ng-nh-p__faq-question h3 {
      margin: 0;
      color: var(--primary-color);
      font-size: 1.2em;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-22-vip-d-ng-nh-p__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-22-vip-d-ng-nh-p__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      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-color);
      font-size: 1em;
    }

    .page-22-vip-d-ng-nh-p__faq-item.active .page-22-vip-d-ng-nh-p__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-22-vip-d-ng-nh-p__faq-item.active .page-22-vip-d-ng-nh-p__faq-toggle {
      transform: rotate(45deg); /* Plus to X/Minus */
    }

    /* Floating buttons */
    .page-22-vip-d-ng-nh-p__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-22-vip-d-ng-nh-p__floating-button {
      padding: 12px 20px;
      border-radius: 25px;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      color: var(--button-text-color);
      font-size: 1em;
    }

    .page-22-vip-d-ng-nh-p__floating-button--register {
      background-color: var(--button-bg-register);
    }

    .page-22-vip-d-ng-nh-p__floating-button--register:hover {
      background-color: #5cb85c;
      transform: translateY(-2px);
    }

    .page-22-vip-d-ng-nh-p__floating-button--login {
      background-color: var(--button-bg-login);
    }

    .page-22-vip-d-ng-nh-p__floating-button--login:hover {
      background-color: #0099cc;
      transform: translateY(-2px);
    }

    /* General image styling */
    .page-22-vip-d-ng-nh-p img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below images */
      border-radius: 8px; /* Consistent styling */
      object-fit: cover;
    }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
      .page-22-vip-d-ng-nh-p__hero-title {
        font-size: 2.8em;
      }
      .page-22-vip-d-ng-nh-p__hero-subtitle {
        font-size: 1.2em;
      }
      .page-22-vip-d-ng-nh-p__heading {
        font-size: 2em;
      }
      .page-22-vip-d-ng-nh-p__subheading {
        font-size: 1.6em;
      }
      .page-22-vip-d-ng-nh-p__promo-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      }
    }

    @media (max-width: 768px) {
      .page-22-vip-d-ng-nh-p__section {
        padding: 30px 15px;
      }
      .page-22-vip-d-ng-nh-p__section--hero {
        padding: 40px 15px;
      }
      .page-22-vip-d-ng-nh-p__hero-title {
        font-size: 2.2em;
      }
      .page-22-vip-d-ng-nh-p__hero-subtitle {
        font-size: 1em;
      }
      .page-22-vip-d-ng-nh-p__button-group {
        flex-direction: column;
        gap: 15px;
      }
      .page-22-vip-d-ng-nh-p__button {
        width: 80%;
        margin: 0 auto;
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-22-vip-d-ng-nh-p__heading {
        font-size: 1.8em;
      }
      .page-22-vip-d-ng-nh-p__subheading {
        font-size: 1.4em;
      }
      .page-22-vip-d-ng-nh-p__text-content {
        font-size: 1em;
      }
      .page-22-vip-d-ng-nh-p__grid,
      .page-22-vip-d-ng-nh-p__promo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-22-vip-d-ng-nh-p__card-title {
        font-size: 1.3em;
      }
      .page-22-vip-d-ng-nh-p__promo-title {
        font-size: 1.5em;
      }
      .page-22-vip-d-ng-nh-p__feature-list {
        flex-direction: column;
        gap: 15px;
      }
      .page-22-vip-d-ng-nh-p__feature-item {
        flex: 1 1 100%;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-22-vip-d-ng-nh-p__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-22-vip-d-ng-nh-p__faq-question h3 {
        font-size: 1.1em;
      }
      .page-22-vip-d-ng-nh-p__faq-answer {
        padding: 0 20px;
        font-size: 0.95em;
      }
      .page-22-vip-d-ng-nh-p__faq-item.active .page-22-vip-d-ng-nh-p__faq-answer {
        padding: 15px 20px !important;
      }
      .page-22-vip-d-ng-nh-p__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 8px;
      }
      .page-22-vip-d-ng-nh-p__floating-button {
        padding: 10px 18px;
        font-size: 0.9em;
      }

      /* Image responsive for mobile */
      .page-22-vip-d-ng-nh-p img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-22-vip-d-ng-nh-p__card-image {
        max-width: 100% !important;
        height: 200px !important; /* Adjust height for smaller screens */
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-22-vip-d-ng-nh-p__hero-title {
        font-size: 1.8em;
      }
      .page-22-vip-d-ng-nh-p__hero-subtitle {
        font-size: 0.9em;
      }
      .page-22-vip-d-ng-nh-p__button {
        width: 90%;
        font-size: 0.9em;
      }
      .page-22-vip-d-ng-nh-p__heading {
        font-size: 1.5em;
      }
      .page-22-vip-d-ng-nh-p__subheading {
        font-size: 1.2em;
      }
    }