:root {
      --page-ev99v-primary-color: #f7b731; /* Vàng cam */
      --page-ev99v-secondary-color: #3a3a3a; /* Xám đậm */
      --page-ev99v-accent-color: #e55d87; /* Hồng */
      --page-ev99v-text-light: #ffffff;
      --page-ev99v-text-dark: #333333;
      --page-ev99v-bg-dark: #1a1a1a;
      --page-ev99v-bg-light: #f5f5f5;
      --page-ev99v-border-color: #555555;
    }

    .page-ev99v {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-ev99v-text-dark);
      background-color: var(--page-ev99v-bg-light);
      overflow-x: hidden;
      padding-top: 10px; /* Small padding top as body already has header offset */
    }

    .page-ev99v__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-ev99v__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-ev99v__section--dark {
      background-color: var(--page-ev99v-bg-dark);
      color: var(--page-ev99v-text-light);
    }

    .page-ev99v__heading {
      font-size: 2.5em;
      color: var(--page-ev99v-primary-color);
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-ev99v__heading--dark {
      color: var(--page-ev99v-text-light);
    }

    .page-ev99v__subheading {
      font-size: 1.8em;
      color: var(--page-ev99v-secondary-color);
      margin-bottom: 30px;
    }

    .page-ev99v__text {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    /* Hero Section */
    .page-ev99v__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6));
      background-size: cover;
      background-position: center;
      color: var(--page-ev99v-text-light);
      padding: 80px 0;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 400px;
      position: relative;
    }
    
    .page-ev99v__hero-background-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
    }

    .page-ev99v__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      text-align: center;
    }

    .page-ev99v__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-ev99v-primary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-ev99v__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-ev99v-text-light);
    }

    .page-ev99v__hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
    }

    .page-ev99v__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-ev99v-primary-color);
      color: var(--page-ev99v-text-dark);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-ev99v__button:hover {
      background-color: #e0a42e; /* Slightly darker primary */
      transform: translateY(-2px);
    }

    .page-ev99v__button--secondary {
      background-color: var(--page-ev99v-accent-color);
      color: var(--page-ev99v-text-light);
    }

    .page-ev99v__button--secondary:hover {
      background-color: #d14a72; /* Slightly darker accent */
    }

    /* Floating Buttons */
    .page-ev99v__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-ev99v__floating-button {
      background-color: var(--page-ev99v-primary-color);
      color: var(--page-ev99v-text-dark);
      padding: 10px 20px;
      border-radius: 30px;
      font-weight: bold;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      text-align: center;
      text-decoration: none; /* Ensure no underline for a-like buttons */
    }

    .page-ev99v__floating-button:hover {
      background-color: #e0a42e;
      transform: translateY(-2px);
    }

    /* Product Showcase */
    .page-ev99v__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-ev99v__product-card {
      background-color: var(--page-ev99v-text-light);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-sizing: border-box;
    }

    .page-ev99v__product-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }

    .page-ev99v__product-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
    }

    .page-ev99v__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-ev99v__product-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-ev99v__product-title {
      font-size: 1.4em;
      color: var(--page-ev99v-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-ev99v__product-description {
      font-size: 0.95em;
      color: var(--page-ev99v-secondary-color);
      margin-bottom: 20px;
      flex-grow: 1;
    }

    /* Features Section */
    .page-ev99v__features-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      list-style: none;
      padding: 0;
    }

    .page-ev99v__feature-item {
      background-color: var(--page-ev99v-bg-dark);
      color: var(--page-ev99v-text-light);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
      text-align: left;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-ev99v__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-ev99v__feature-title {
      font-size: 1.5em;
      color: var(--page-ev99v-primary-color);
      margin-bottom: 15px;
      font-weight: bold;
    }

    .page-ev99v__feature-description {
      font-size: 1em;
      color: #cccccc;
    }

    /* Testimonials/Why Choose Us */
    .page-ev99v__why-choose-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 40px;
      list-style: none;
      padding: 0;
    }

    .page-ev99v__why-choose-item {
      background-color: var(--page-ev99v-text-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      text-align: left;
      box-sizing: border-box;
    }

    .page-ev99v__why-choose-title {
      font-size: 1.3em;
      color: var(--page-ev99v-accent-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-ev99v__why-choose-description {
      font-size: 0.95em;
      color: var(--page-ev99v-secondary-color);
    }

    /* Payment and Providers */
    .page-ev99v__partners-section {
      background-color: var(--page-ev99v-bg-dark);
      color: var(--page-ev99v-text-light);
      padding: 40px 0;
    }

    .page-ev99v__partners-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-ev99v__partner-item {
      background-color: #2a2a2a;
      padding: 15px 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      font-weight: bold;
      color: var(--page-ev99v-primary-color);
      font-size: 1.1em;
      box-sizing: border-box;
      min-width: 120px;
      text-align: center;
    }

    /* FAQ Section */
    .page-ev99v__faq-section {
      padding: 60px 0;
      background-color: var(--page-ev99v-bg-light);
      color: var(--page-ev99v-text-dark);
    }

    .page-ev99v__faq-list {
      max-width: 800px;
      margin: 40px auto 0 auto;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      background-color: var(--page-ev99v-text-light);
    }

    .page-ev99v__faq-item {
      border-bottom: 1px solid #eeeeee;
    }

    .page-ev99v__faq-item:last-child {
      border-bottom: none;
    }

    .page-ev99v__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      user-select: none;
      background-color: var(--page-ev99v-text-light);
      transition: background-color 0.3s ease;
    }

    .page-ev99v__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-ev99v__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-ev99v-secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-ev99v__faq-toggle {
      font-size: 1.5em;
      color: var(--page-ev99v-primary-color);
      font-weight: bold;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-ev99v__faq-item.active .page-ev99v__faq-toggle {
      transform: rotate(45deg); /* Rotates the '+' to 'x' or similar, visually indicating open */
    }

    .page-ev99v__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: #fdfdfd;
      color: var(--page-ev99v-text-dark);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      text-align: left;
    }

    .page-ev99v__faq-item.active .page-ev99v__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-ev99v__heading {
        font-size: 2em;
      }

      .page-ev99v__subheading {
        font-size: 1.5em;
      }

      .page-ev99v__hero-title {
        font-size: 2.2em;
      }

      .page-ev99v__hero-description {
        font-size: 1em;
      }

      .page-ev99v__hero-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-ev99v__button {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
      }

      .page-ev99v__product-grid,
      .page-ev99v__features-list,
      .page-ev99v__why-choose-list {
        grid-template-columns: 1fr;
      }

      .page-ev99v__product-card,
      .page-ev99v__feature-item,
      .page-ev99v__why-choose-item {
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      
      .page-ev99v__product-image,
      .page-ev99v__hero-background-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-ev99v__faq-list {
        margin: 20px auto 0 auto;
      }

      .page-ev99v__faq-question {
        padding: 15px 15px;
      }

      .page-ev99v__faq-question h3 {
        font-size: 1.1em;
      }

      .page-ev99v__faq-answer {
        padding: 0 15px;
      }

      .page-ev99v__faq-item.active .page-ev99v__faq-answer {
        padding: 15px 15px !important;
      }

      .page-ev99v__floating-buttons {
        bottom: 10px;
        right: 10px;
      }
    }