:root {
      --page-23-vin-primary-color: #ff4d4d; /* Đỏ rực */
      --page-23-vin-secondary-color: #ffcc00; /* Vàng sáng */
      --page-23-vin-dark-background: #1a1a1a; /* Nền tối */
      --page-23-vin-light-text: #ffffff; /* Chữ trắng */
      --page-23-vin-dark-text: #333333; /* Chữ đen */
      --page-23-vin-border-radius: 8px;
      --page-23-vin-spacing-md: 20px;
      --page-23-vin-spacing-lg: 40px;
    }

    .page-23-vin {
      font-family: 'Arial', sans-serif;
      color: var(--page-23-vin-light-text);
      background-color: var(--page-23-vin-dark-background);
      line-height: 1.6;
      padding-bottom: var(--page-23-vin-spacing-lg);
    }

    .page-23-vin__hero-section {
      text-align: center;
      padding: 10px var(--page-23-vin-spacing-md) var(--page-23-vin-spacing-lg);
      background: linear-gradient(135deg, #2a0000, #4a0000);
      position: relative;
      overflow: hidden;
    }

    .page-23-vin__hero-background-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }
    
    .page-23-vin__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-23-vin__hero-title {
      font-size: 2.8em;
      color: var(--page-23-vin-secondary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      font-weight: bold;
    }

    .page-23-vin__hero-subtitle {
      font-size: 1.3em;
      color: var(--page-23-vin-light-text);
      margin-bottom: var(--page-23-vin-spacing-md);
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-23-vin__cta-button {
      display: inline-block;
      background-color: var(--page-23-vin-primary-color);
      color: var(--page-23-vin-light-text);
      padding: 15px 30px;
      border-radius: var(--page-23-vin-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
    }

    .page-23-vin__cta-button:hover {
      background-color: #e63939;
      transform: translateY(-2px);
    }

    .page-23-vin__section {
      padding: var(--page-23-vin-spacing-lg) var(--page-23-vin-spacing-md);
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-23-vin__section-title {
      font-size: 2.2em;
      color: var(--page-23-vin-secondary-color);
      text-align: center;
      margin-bottom: var(--page-23-vin-spacing-lg);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-23-vin__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-23-vin-spacing-md);
      margin-top: var(--page-23-vin-spacing-md);
    }

    .page-23-vin__feature-item {
      background-color: #2b2b2b;
      padding: var(--page-23-vin-spacing-md);
      border-radius: var(--page-23-vin-border-radius);
      text-align: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 220px;
    }

    .page-23-vin__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-23-vin__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      object-fit: contain;
    }

    .page-23-vin__feature-title {
      font-size: 1.4em;
      color: var(--page-23-vin-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-23-vin__feature-description {
      font-size: 0.95em;
      color: #cccccc;
    }

    .page-23-vin__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--page-23-vin-spacing-md);
      margin-top: var(--page-23-vin-spacing-md);
    }

    .page-23-vin__product-card {
      background-color: #2b2b2b;
      border-radius: var(--page-23-vin-border-radius);
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-23-vin__product-card:hover {
      transform: translateY(-5px);
    }

    .page-23-vin__product-image-container {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #000;
    }

    .page-23-vin__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-23-vin__product-card:hover .page-23-vin__product-image {
      transform: scale(1.05);
    }

    .page-23-vin__product-info {
      padding: 15px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      width: 100%;
    }

    .page-23-vin__product-title {
      font-size: 1.3em;
      color: var(--page-23-vin-secondary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-23-vin__product-description {
      font-size: 0.9em;
      color: #cccccc;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-23-vin__promotion-section {
      background-color: #330000;
      padding: var(--page-23-vin-spacing-lg) var(--page-23-vin-spacing-md);
      text-align: center;
      border-radius: var(--page-23-vin-border-radius);
      margin: var(--page-23-vin-spacing-lg) auto;
      max-width: 1200px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
    }

    .page-23-vin__promotion-title {
      font-size: 2.5em;
      color: var(--page-23-vin-secondary-color);
      margin-bottom: 20px;
      text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    }

    .page-23-vin__promotion-text {
      font-size: 1.1em;
      color: var(--page-23-vin-light-text);
      margin-bottom: var(--page-23-vin-spacing-md);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-23-vin__faq-section {
      padding: var(--page-23-vin-spacing-lg) var(--page-23-vin-spacing-md);
      max-width: 900px;
      margin: 0 auto;
    }

    .page-23-vin__faq-item {
      background-color: #2b2b2b;
      margin-bottom: 10px;
      border-radius: var(--page-23-vin-border-radius);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
      overflow: hidden;
    }

    .page-23-vin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px var(--page-23-vin-spacing-md);
      background-color: #3a3a3a;
      cursor: pointer;
      user-select: none;
      color: var(--page-23-vin-light-text);
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-23-vin__faq-question:hover {
      background-color: #4a4a4a;
    }
    
    .page-23-vin__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-23-vin-light-text);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-23-vin__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      color: var(--page-23-vin-secondary-color);
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-23-vin__faq-item.active .page-23-vin__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-23-vin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--page-23-vin-spacing-md);
      background-color: #2b2b2b;
      color: #cccccc;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-23-vin__faq-item.active .page-23-vin__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px var(--page-23-vin-spacing-md) !important;
      opacity: 1;
    }

    .page-23-vin__contact-section {
      text-align: center;
      padding: var(--page-23-vin-spacing-lg) var(--page-23-vin-spacing-md);
      background-color: #330000;
      margin-top: var(--page-23-vin-spacing-lg);
      border-radius: var(--page-23-vin-border-radius);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-23-vin__contact-title {
      font-size: 2em;
      color: var(--page-23-vin-secondary-color);
      margin-bottom: var(--page-23-vin-spacing-md);
    }

    .page-23-vin__contact-text {
      font-size: 1.1em;
      color: var(--page-23-vin-light-text);
      margin-bottom: var(--page-23-vin-spacing-md);
    }

    .page-23-vin__external-link {
        color: var(--page-23-vin-secondary-color);
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s ease;
    }
    .page-23-vin__external-link:hover {
        color: var(--page-23-vin-primary-color);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-23-vin__hero-title {
        font-size: 2em;
      }

      .page-23-vin__hero-subtitle {
        font-size: 1em;
      }

      .page-23-vin__section-title {
        font-size: 1.8em;
      }

      .page-23-vin__feature-item {
        padding: 15px;
        min-height: 180px;
      }

      .page-23-vin__feature-title {
        font-size: 1.2em;
      }

      .page-23-vin__promotion-title {
        font-size: 2em;
      }

      .page-23-vin__promotion-text {
        font-size: 0.95em;
      }

      .page-23-vin__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      
      .page-23-vin__faq-question h3 {
        font-size: 1em;
      }

      .page-23-vin__faq-answer {
        padding: 0 15px;
      }

      .page-23-vin__faq-item.active .page-23-vin__faq-answer {
        padding: 15px 15px !important;
      }

      .page-23-vin__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      /* Image responsiveness */
      .page-23-vin__hero-background-image,
      .page-23-vin__feature-icon,
      .page-23-vin__product-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-23-vin__product-image-container {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-23-vin__hero-title {
        font-size: 1.8em;
      }

      .page-23-vin__section-title {
        font-size: 1.6em;
      }
    }