.page-blog-tong-hop-khuyen-mai-fu88 {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #F3F8FF; /* Default text color for dark body background */
  background-color: #08162B; /* Deep Navy from custom colors */
}

.page-blog-tong-hop-khuyen-mai-fu88__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  background-color: #08162B;
  overflow: hidden;
}

.page-blog-tong-hop-khuyen-mai-fu88__hero-image {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.page-blog-tong-hop-khuyen-mai-fu88__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-blog-tong-hop-khuyen-mai-fu88__hero-content {
  max-width: 900px;
  padding: 0 20px;
  z-index: 1;
}

.page-blog-tong-hop-khuyen-mai-fu88__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: #F2C14E; /* Gold from custom colors */
  line-height: 1.2;
}

.page-blog-tong-hop-khuyen-mai-fu88__hero-description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: #AFC4E8; /* Text Secondary from custom colors */
}

.page-blog-tong-hop-khuyen-mai-fu88__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-blog-tong-hop-khuyen-mai-fu88__btn-primary,
.page-blog-tong-hop-khuyen-mai-fu88__btn-secondary,
.page-blog-tong-hop-khuyen-mai-fu88__card-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-blog-tong-hop-khuyen-mai-fu88__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); /* Button color from custom colors */
  color: #F3F8FF; /* Text Main from custom colors */
  border: none;
}

.page-blog-tong-hop-khuyen-mai-fu88__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-blog-tong-hop-khuyen-mai-fu88__btn-secondary {
  background: #10233F; /* Card BG from custom colors */
  color: #F3F8FF; /* Text Main from custom colors */
  border: 2px solid #244D84; /* Border from custom colors */
}

.page-blog-tong-hop-khuyen-mai-fu88__btn-secondary:hover {
  background: #1D5FD1; /* Auxiliary color */
  border-color: #1D5FD1;
  transform: translateY(-2px);
}

.page-blog-tong-hop-khuyen-mai-fu88__section {
  padding: 60px 0;
  position: relative;
}

.page-blog-tong-hop-khuyen-mai-fu88__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-tong-hop-khuyen-mai-fu88__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #F2C14E; /* Gold from custom colors */
}

.page-blog-tong-hop-khuyen-mai-fu88__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: -20px auto 40px auto;
  color: #AFC4E8; /* Text Secondary from custom colors */
}

.page-blog-tong-hop-khuyen-mai-fu88__content-area p {
  margin-bottom: 15px;
  font-size: 1rem;
  color: #F3F8FF; /* Text Main for light-bg sections */
}

.page-blog-tong-hop-khuyen-mai-fu88__content-area strong {
  color: #F2C14E; /* Gold for strong text */
}

.page-blog-tong-hop-khuyen-mai-fu88__content-area img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-blog-tong-hop-khuyen-mai-fu88__light-bg {
  background-color: #08162B; /* Deep Navy, but content elements will have lighter backgrounds */
  color: #F3F8FF; /* Text Main */
}

.page-blog-tong-hop-khuyen-mai-fu88__dark-bg {
  background-color: #10233F; /* Card BG */
  color: #F3F8FF; /* Text Main */
}

.page-blog-tong-hop-khuyen-mai-fu88__text-main {
  color: #F3F8FF;
}

.page-blog-tong-hop-khuyen-mai-fu88__text-secondary {
  color: #AFC4E8;
}

.page-blog-tong-hop-khuyen-mai-fu88__promotions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog-tong-hop-khuyen-mai-fu88__card {
  background: #10233F; /* Card BG from custom colors */
  border: 1px solid #244D84; /* Border from custom colors */
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-blog-tong-hop-khuyen-mai-fu88__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-blog-tong-hop-khuyen-mai-fu88__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2C14E; /* Gold from custom colors */
  line-height: 1.3;
}

.page-blog-tong-hop-khuyen-mai-fu88__card-text {
  font-size: 0.95rem;
  color: #AFC4E8; /* Text Secondary from custom colors */
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-blog-tong-hop-khuyen-mai-fu88__card-button {
  margin-top: auto; /* Push button to bottom */
}

.page-blog-tong-hop-khuyen-mai-fu88__cta-section {
  text-align: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid #1B3357; /* Divider from custom colors */
}

.page-blog-tong-hop-khuyen-mai-fu88__cta-text {
  font-size: 1.2rem;
  margin-bottom: 30px;
  font-weight: 600;
}

.page-blog-tong-hop-khuyen-mai-fu88__steps-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-blog-tong-hop-khuyen-mai-fu88__steps-list li {
  background: #10233F; /* Card BG */
  border: 1px solid #244D84; /* Border */
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-tong-hop-khuyen-mai-fu88__steps-list h3 {
  font-size: 1.3rem;
  color: #F2C14E; /* Gold */
  margin-top: 0;
  margin-bottom: 10px;
}

.page-blog-tong-hop-khuyen-mai-fu88__steps-list p {
  color: #AFC4E8; /* Text Secondary */
}

.page-blog-tong-hop-khuyen-mai-fu88__terms-list {
  list-style: disc;
  padding-left: 25px;
  margin-top: 30px;
  color: #AFC4E8; /* Text Secondary */
}

.page-blog-tong-hop-khuyen-mai-fu88__terms-list li {
  margin-bottom: 10px;
  font-size: 1rem;
}

.page-blog-tong-hop-khuyen-mai-fu88__terms-list strong {
  color: #F2C14E; /* Gold */
}

.page-blog-tong-hop-khuyen-mai-fu88__inline-link {
  color: #1D5FD1; /* Auxiliary color */
  text-decoration: underline;
}

.page-blog-tong-hop-khuyen-mai-fu88__inline-link:hover {
  color: #4FA8FF; /* Glow color */
}

.page-blog-tong-hop-khuyen-mai-fu88__tips-list {
  list-style: decimal;
  padding-left: 25px;
  margin-top: 30px;
  color: #F3F8FF; /* Text Main */
}

.page-blog-tong-hop-khuyen-mai-fu88__tips-list li {
  margin-bottom: 10px;
  font-size: 1rem;
}

.page-blog-tong-hop-khuyen-mai-fu88__tips-list strong {
  color: #F2C14E; /* Gold */
}

.page-blog-tong-hop-khuyen-mai-fu88__faq-list {
  margin-top: 40px;
}

details.page-blog-tong-hop-khuyen-mai-fu88__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid #244D84; /* Border */
  overflow: hidden;
  background: #10233F; /* Card BG */
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

details.page-blog-tong-hop-khuyen-mai-fu88__faq-item summary.page-blog-tong-hop-khuyen-mai-fu88__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-blog-tong-hop-khuyen-mai-fu88__faq-item summary.page-blog-tong-hop-khuyen-mai-fu88__faq-question::-webkit-details-marker {
  display: none;
}

details.page-blog-tong-hop-khuyen-mai-fu88__faq-item summary.page-blog-tong-hop-khuyen-mai-fu88__faq-question:hover {
  background: #1B3357; /* Divider color for hover */
}

.page-blog-tong-hop-khuyen-mai-fu88__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F3F8FF; /* Text Main */
}

.page-blog-tong-hop-khuyen-mai-fu88__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #F2C14E; /* Gold */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-blog-tong-hop-khuyen-mai-fu88__faq-item .page-blog-tong-hop-khuyen-mai-fu88__faq-answer {
  padding: 0 25px 25px;
  background: #08162B; /* Deep Navy */
  border-radius: 0 0 10px 10px;
}

.page-blog-tong-hop-khuyen-mai-fu88__faq-answer p {
  color: #AFC4E8; /* Text Secondary */
}

.page-blog-tong-hop-khuyen-mai-fu88__cta-final-section {
  padding: 80px 0;
  text-align: center;
  background-color: #08162B; /* Deep Navy */
}

.page-blog-tong-hop-khuyen-mai-fu88__cta-final-section .page-blog-tong-hop-khuyen-mai-fu88__section-title {
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
}

.page-blog-tong-hop-khuyen-mai-fu88__cta-final-section .page-blog-tong-hop-khuyen-mai-fu88__section-description {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: #AFC4E8; /* Text Secondary */
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-blog-tong-hop-khuyen-mai-fu88__hero-image {
    max-height: 400px;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  .page-blog-tong-hop-khuyen-mai-fu88__hero-description {
    font-size: 1.05rem;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__section-title {
    font-size: 2rem;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__card-title {
    font-size: 1.3rem;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__promotions-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
  details.page-blog-tong-hop-khuyen-mai-fu88__faq-item summary.page-blog-tong-hop-khuyen-mai-fu88__faq-question {
    padding: 15px 20px;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__faq-qtext {
    font-size: 1rem;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__faq-answer {
    padding: 0 20px 20px;
  }
}

@media (max-width: 768px) {
  .page-blog-tong-hop-khuyen-mai-fu88 {
    font-size: 15px;
  }
  /* HERO 主图区域 */
  .page-blog-tong-hop-khuyen-mai-fu88__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    padding-bottom: 40px;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__hero-image {
    max-height: 300px;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__hero-image img {
    object-fit: contain !important; /* Sides not cropped */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__hero-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .page-blog-tong-hop-khuyen-mai-fu88__cta-buttons {
    flex-direction: column; /* Buttons stack vertically */
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }
}