:root {
  --bu88-primary-red: #C61F1F;
  --bu88-secondary-red: #E53030;
  --bu88-card-bg: #2A1212;
  --bu88-background: #140C0C;
  --bu88-text-main: #FFF1E8;
  --bu88-border: #6A1E1E;
  --bu88-gold: #F3C54D;
  --bu88-deep-red: #7E0D0D;
  --bu88-button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  --bu88-light-text: #ffffff;
  --bu88-dark-text: #333333;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--bu88-text-main); /* Default text color for the page */
  background-color: var(--bu88-background); /* Default background for the main content area */
}

/* Hero Section */
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__hero-section {
  position: relative;
  display: flex;
  flex-direction: column; /* Ensure image is above content */
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-bottom: 50px; /* Space below content */
  padding-top: 10px; /* Small top padding, assuming body has --header-offset */
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__hero-image-wrapper {
  width: 100%;
  max-height: 550px; /* Max height for hero image */
  overflow: hidden;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__hero-content {
  position: relative; /* Ensure content is above image but not overlaying it */
  z-index: 2;
  padding: 30px 20px;
  max-width: 900px;
  margin-top: -100px; /* Pull content up slightly over the bottom of the image */
  background: rgba(20, 12, 12, 0.85); /* Semi-transparent background for readability */
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--bu88-border);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: var(--bu88-gold);
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__lead-text {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--bu88-text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__cta-button {
  display: inline-block;
  background: var(--bu88-button-gradient);
  color: var(--bu88-light-text);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

/* Content Sections */
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__content-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--bu88-border);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__content-section:last-of-type {
  border-bottom: none;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  color: var(--bu88-gold);
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 10px;
  position: relative;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--bu88-primary-red);
  border-radius: 2px;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua p {
  margin-bottom: 15px;
  font-size: 1rem;
  color: var(--bu88-text-main);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__content-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 25px auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--bu88-border);
}

/* Terminology List */
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__term-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__term-item {
  background: var(--bu88-card-bg);
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  border-left: 5px solid var(--bu88-primary-red);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__term-item strong {
  color: var(--bu88-gold);
  font-size: 1.1rem;
}

/* Strategies Section */
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__strategy-item {
  background: var(--bu88-card-bg);
  padding: 25px;
  margin-bottom: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--bu88-border);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__strategy-subtitle {
  font-size: 1.6rem;
  color: var(--bu88-secondary-red);
  margin-top: 0;
  margin-bottom: 15px;
  border-bottom: 2px solid var(--bu88-deep-red);
  padding-bottom: 8px;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__strategy-details {
  list-style: disc;
  margin-left: 20px;
  padding: 0;
  color: var(--bu88-text-main);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__strategy-details li {
  margin-bottom: 8px;
  font-size: 1rem;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__strategy-details strong {
  color: var(--bu88-gold);
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__sub-list {
  list-style: circle;
  margin-left: 20px;
  padding: 0;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__cta-wrapper {
    text-align: center;
    margin-top: 40px;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__cta-button--wide {
    padding: 18px 40px;
    font-size: 1.2rem;
    min-width: 280px;
}

/* Registration Section */
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__step-by-step {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__step-item {
  background: var(--bu88-card-bg);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--bu88-border);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__step-title {
  font-size: 1.4rem;
  color: var(--bu88-gold);
  margin-top: 0;
  margin-bottom: 15px;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__btn-secondary {
  display: inline-block;
  background: var(--bu88-background); /* Dark background for secondary button */
  color: var(--bu88-primary-red); /* Primary red text */
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  border: 2px solid var(--bu88-primary-red);
  cursor: pointer;
  margin-top: 20px;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__btn-secondary:hover {
  background: var(--bu88-primary-red);
  color: var(--bu88-light-text);
  border-color: var(--bu88-primary-red);
}

/* FAQ Section */
details.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--bu88-border);
  overflow: hidden;
  background: var(--bu88-card-bg);
}
details.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-item summary.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--bu88-gold);
  font-weight: bold;
}
details.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-item summary.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-question::-webkit-details-marker {
  display: none;
}
details.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-item summary.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  line-height: 1.5;
  text-align: left;
}
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--bu88-primary-red);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-item .page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-answer {
  padding: 0 20px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 0 8px 8px;
  color: var(--bu88-text-main);
}
.page-blog-chien-thuat-choi-tai-xiu-hieu-qua__faq-answer p {
    margin-bottom: 0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog-chien-thuat-choi-tai-xiu-hieu-qua__hero-content {
    margin-top: -80px;
    padding: 25px 15px;
  }
}