.page-khuyn-mi {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #f8f8f8;
}

.page-khuyn-mi .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-khuyn-mi section {
  padding: 60px 0;
  margin-bottom: 20px;
}

.page-khuyn-mi h1, .page-khuyn-mi h2, .page-khuyn-mi h3 {
  color: #FF0000;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-khuyn-mi h1 {
  font-size: 3.2em;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-khuyn-mi h2 {
  font-size: 2.5em;
  color: #000000;
}

.page-khuyn-mi h3 {
  font-size: 1.8em;
  color: #000000;
}

.page-khuyn-mi p {
  text-align: justify;
  margin-bottom: 15px;
  color: #333;
}

.page-khuyn-mi .cta-button {
  display: inline-block;
  padding: 18px 45px;
  background: linear-gradient(135deg, #FFD700, #FFBF00); /* Gold accent */
  color: #000000;
  text-decoration: none;
  border-radius: 8px;
  font-size: 20px;
  font-weight: bold;
  margin-top: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  border: none;
}

.page-khuyn-mi .cta-button:hover {
  background: linear-gradient(135deg, #FFBF00, #FFD700);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Hero Section */
.page-khuyn-mi .hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  background: #000000; /* Fallback for transparency */
}

.page-khuyn-mi .hero-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-khuyn-mi .hero-image {
  width: 100%;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}

.page-khuyn-mi .hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-khuyn-mi .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.6); /* Semi-transparent overlay for text readability */
  padding: 30px;
  border-radius: 12px;
  margin-top: -80px; /* Overlap with image for better visual flow */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-khuyn-mi .hero-content p {
  color: #f0f0f0;
  font-size: 1.2em;
  margin-bottom: 25px;
}

/* Promo Intro Section */
.page-khuyn-mi .promo-intro-section {
  background-color: #fff;
  border-bottom: 1px solid #eee;
}

.page-khuyn-mi .promo-intro-section p {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 20px auto;
  font-size: 1.1em;
}

/* Featured Promos Section */
.page-khuyn-mi .featured-promos-section {
  background-color: #f0f0f0;
  padding-bottom: 80px;
}

.page-khuyn-mi .promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi .promo-card {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding-bottom: 25px;
}

.page-khuyn-mi .promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi .promo-card .promo-img {
  width: 100%;
  height: 220px; /* Fixed height for consistency */
  object-fit: cover;
  margin-bottom: 20px;
  border-bottom: 3px solid #FF0000;
}

.page-khuyn-mi .promo-card h3 {
  font-size: 1.6em;
  margin-top: 0;
  margin-bottom: 15px;
  padding: 0 15px;
  line-height: 1.3;
}

.page-khuyn-mi .promo-card h3 a {
  color: #FF0000;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-khuyn-mi .promo-card h3 a:hover {
  color: #000000;
}

.page-khuyn-mi .promo-card p {
  font-size: 1em;
  padding: 0 20px;
  margin-bottom: 25px;
  color: #555;
}

.page-khuyn-mi .promo-card .btn-promo {
  display: inline-block;
  padding: 12px 30px;
  background-color: #FF0000;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-khuyn-mi .promo-card .btn-promo:hover {
  background-color: #CC0000;
  transform: translateY(-2px);
}

/* How to Claim Section */
.page-khuyn-mi .how-to-claim-section {
  background-color: #fff;
  border-top: 1px solid #eee;
}

.page-khuyn-mi .step-by-step {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi .step-item {
  text-align: center;
  padding: 30px;
  background-color: #fefefe;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.page-khuyn-mi .step-item:hover {
  transform: translateY(-5px);
}

.page-khuyn-mi .step-item .step-img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  margin-bottom: 25px;
  border-radius: 50%;
  border: 5px solid #FF0000;
  box-shadow: 0 0 0 8px rgba(255, 0, 0, 0.2);
}

.page-khuyn-mi .step-item h3 {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #000000;
}

.page-khuyn-mi .step-item p {
  font-size: 0.95em;
  color: #555;
  text-align: center;
}

.page-khuyn-mi .step-item .btn-step {
  display: inline-block;
  padding: 10px 25px;
  background-color: #000000;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  margin-top: 20px;
  transition: background-color 0.3s ease;
}

.page-khuyn-mi .step-item .btn-step:hover {
  background-color: #333333;
}

/* Terms and Conditions Section */
.page-khuyn-mi .terms-conditions-section {
  background-color: #f0f0f0;
}

.page-khuyn-mi .terms-conditions-section ul {
  list-style: disc;
  max-width: 900px;
  margin: 40px auto;
  padding-left: 40px;
  color: #333;
}

.page-khuyn-mi .terms-conditions-section li {
  margin-bottom: 15px;
  font-size: 1.1em;
  line-height: 1.7;
}

.page-khuyn-mi .terms-conditions-section li strong {
  color: #FF0000;
}

.page-khuyn-mi .terms-conditions-section p {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 20px auto;
}

/* Why Choose RC88 Promo Section */
.page-khuyn-mi .why-choose-rc88-promo-section {
  background-color: #fff;
}

.page-khuyn-mi .advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi .advantage-item {
  text-align: center;
  padding: 30px;
  background-color: #fefefe;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.page-khuyn-mi .advantage-item:hover {
  transform: translateY(-5px);
}

.page-khuyn-mi .advantage-item .advantage-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 25px;
  border-radius: 50%;
  border: 4px solid #000000;
  box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.1);
}

.page-khuyn-mi .advantage-item h3 {
  font-size: 1.4em;
  margin-bottom: 15px;
  color: #FF0000;
}

.page-khuyn-mi .advantage-item p {
  font-size: 0.95em;
  color: #555;
  text-align: center;
}

/* FAQ Section */
.page-khuyn-mi .faq-section {
  background-color: #f0f0f0;
}

.page-khuyn-mi .faq-list {
  max-width: 900px;
  margin: 40px auto;
}

.page-khuyn-mi .faq-item {
  margin-bottom: 15px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
}

.page-khuyn-mi .faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #fff;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.page-khuyn-mi .faq-question:hover {
  background: #f5f5f5;
}

.page-khuyn-mi .faq-question h3 {
  margin: 0;
  font-size: 1.25em;
  text-align: left;
  color: #000000;
}

.page-khuyn-mi .faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FF0000;
  transition: transform 0.3s ease;
}

.page-khuyn-mi .faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: #000000;
}

.page-khuyn-mi .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #f9f9f9;
  color: #444;
}

.page-khuyn-mi .faq-item.active .faq-answer {
  max-height: 500px; /* Adjust as needed for content */
  padding: 20px 25px;
}

.page-khuyn-mi .faq-answer p {
  margin: 0 0 10px 0;
  text-align: left;
}

.page-khuyn-mi .faq-answer .btn-faq-contact {
  display: inline-block;
  padding: 8px 20px;
  background-color: #FF0000;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  margin-top: 10px;
  transition: background-color 0.3s ease;
}

.page-khuyn-mi .faq-answer .btn-faq-contact:hover {
  background-color: #CC0000;
}

/* Latest News Section */
.page-khuyn-mi .latest-news-section {
  background-color: #fff;
  padding-bottom: 80px;
}

.page-khuyn-mi .latest-news-section p {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 20px auto;
}

.page-khuyn-mi .news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-khuyn-mi .news-card {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-khuyn-mi .news-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-khuyn-mi .news-card .news-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
}

.page-khuyn-mi .news-card h3 {
  font-size: 1.4em;
  margin: 20px 20px 10px 20px;
  text-align: left;
}

.page-khuyn-mi .news-card h3 a {
  color: #000000;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-khuyn-mi .news-card h3 a:hover {
  color: #FF0000;
}

.page-khuyn-mi .news-card p {
  font-size: 0.95em;
  padding: 0 20px;
  text-align: left;
  color: #555;
  margin-bottom: 20px;
}

.page-khuyn-mi .news-card .read-more {
  display: inline-block;
  padding: 8px 20px;
  margin: 0 20px 20px 20px;
  background-color: #FF0000;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.page-khuyn-mi .news-card .read-more:hover {
  background-color: #CC0000;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-khuyn-mi h1 {
    font-size: 2.8em;
  }
  .page-khuyn-mi h2 {
    font-size: 2.2em;
  }
  .page-khuyn-mi .hero-content {
    padding: 25px;
    margin-top: -60px;
  }
}

@media (max-width: 768px) {
  .page-khuyn-mi section {
    padding: 40px 0;
  }
  .page-khuyn-mi h1 {
    font-size: 2.2em;
  }
  .page-khuyn-mi h2 {
    font-size: 1.8em;
  }
  .page-khuyn-mi h3 {
    font-size: 1.4em;
  }
  .page-khuyn-mi .cta-button {
    padding: 15px 35px;
    font-size: 18px;
  }
  .page-khuyn-mi .hero-content {
    margin-top: -40px;
    padding: 20px;
  }
  .page-khuyn-mi .promo-grid, .page-khuyn-mi .step-by-step, .page-khuyn-mi .advantages-grid, .page-khuyn-mi .news-grid {
    grid-template-columns: 1fr;
  }
  .page-khuyn-mi .promo-card .promo-img {
    height: 180px;
  }
  .page-khuyn-mi .step-item .step-img {
    width: 100px;
    height: 100px;
  }
  .page-khuyn-mi .advantage-item .advantage-img {
    width: 100px;
    height: 100px;
  }
  .page-khuyn-mi .faq-question {
    padding: 15px 20px;
  }
  .page-khuyn-mi .faq-question h3 {
    font-size: 1.1em;
  }
  .page-khuyn-mi .faq-toggle {
    font-size: 20px;
  }
  .page-khuyn-mi .faq-answer {
    padding: 0 20px;
  }
  .page-khuyn-mi .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
  .page-khuyn-mi .news-card .news-img {
    height: 160px;
  }
}

@media (max-width: 480px) {
  .page-khuyn-mi h1 {
    font-size: 1.8em;
  }
  .page-khuyn-mi h2 {
    font-size: 1.5em;
  }
  .page-khuyn-mi h3 {
    font-size: 1.2em;
  }
  .page-khuyn-mi .cta-button {
    padding: 12px 25px;
    font-size: 16px;
  }
  .page-khuyn-mi .hero-content {
    margin-top: -30px;
    padding: 15px;
  }
  .page-khuyn-mi p {
    font-size: 0.9em;
  }
  .page-khuyn-mi .promo-card h3 {
    font-size: 1.3em;
  }
  .page-khuyn-mi .btn-promo, .page-khuyn-mi .btn-step, .page-khuyn-mi .btn-faq-contact, .page-khuyn-mi .read-more {
    padding: 10px 20px;
    font-size: 0.9em;
  }
  .page-khuyn-mi .terms-conditions-section ul {
    padding-left: 20px;
  }
  .page-khuyn-mi .terms-conditions-section li {
    font-size: 0.9em;
  }
  .page-khuyn-mi .faq-question h3 {
    font-size: 1em;
  }
  .page-khuyn-mi .news-card h3 {
    font-size: 1.2em;
  }
}