:root {
  --primary-color: #113B7A;
  --secondary-color: #1D5FD1;
  --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --card-bg: #10233F;
  --text-main: #F3F8FF;
  --text-secondary: #AFC4E8;
  --border-color: #244D84;
  --glow-color: #4FA8FF;
  --gold-color: #F2C14E;
  --divider-color: #1B3357;
  --deep-navy: #08162B;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin {
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  line-height: 1.6;
  background-color: var(--card-bg); /* Ensure page background matches body if set */
}

/* Hero Section */
.page-blog-uu-dai-moi-nhat-tu-789wwin__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 10px 0 40px; /* Small top padding, relying on body for header offset */
  background: var(--deep-navy);
  color: var(--text-main);
  overflow: hidden;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  margin-bottom: 20px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__main-title {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--gold-color);
  line-height: 1.2;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__description {
  font-size: 18px;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: var(--button-gradient);
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 18px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__cta-button--small {
  font-size: 16px;
  padding: 12px 25px;
}

/* Content Sections */
.page-blog-uu-dai-moi-nhat-tu-789wwin__content-section {
  padding: 60px 0;
  background: var(--card-bg);
  color: var(--text-main);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__section-title {
  font-size: 36px;
  font-weight: bold;
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 10px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--secondary-color);
  border-radius: 2px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__sub-title {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-main);
  margin-top: 40px;
  margin-bottom: 25px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin p {
  font-size: 17px;
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin strong {
  color: var(--text-main);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin ul,
.page-blog-uu-dai-moi-nhat-tu-789wwin ol {
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin ul li,
.page-blog-uu-dai-moi-nhat-tu-789wwin ol li {
  margin-bottom: 10px;
  font-size: 17px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__promo-card-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__promo-card {
  background: var(--deep-navy);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__promo-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__promo-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__card-title {
  font-size: 22px;
  font-weight: bold;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__btn-small {
  display: inline-block;
  padding: 10px 20px;
  background: var(--secondary-color);
  color: #ffffff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  font-size: 15px;
  transition: background-color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  margin-top: 20px;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__btn-small:hover {
  background: var(--primary-color);
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__content-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin: 30px 0;
  object-fit: cover;
}

.page-blog-uu-dai-moi-nhat-tu-789wwin__cta-bottom {
  text-align: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--divider-color);
}

/* FAQ Section */
.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-list {
  margin-top: 40px;
}

details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--deep-navy);
  color: var(--text-main);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item summary.page-blog-uu-dai-moi-nhat-tu-789wwin__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;
  background: var(--card-bg);
}
details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item summary.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-question::-webkit-details-marker {
  display: none;
}
details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item summary.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-question:hover {
  background: rgba(var(--secondary-color-rgb, 29, 95, 209), 0.1);
}
.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main);
}
.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
  line-height: 1;
}
details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item .page-blog-uu-dai-moi-nhat-tu-789wwin__faq-answer {
  padding: 0 20px 20px;
  background: var(--deep-navy);
  border-radius: 0 0 8px 8px;
  color: var(--text-secondary);
}
details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item .page-blog-uu-dai-moi-nhat-tu-789wwin__faq-answer p {
  color: var(--text-secondary);
}


/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-blog-uu-dai-moi-nhat-tu-789wwin__main-title {
    font-size: 40px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__section-title {
    font-size: 32px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__sub-title {
    font-size: 24px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__promo-card-wrapper {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }
}

@media (max-width: 768px) {
  /* 1. Top section padding */
  .page-blog-uu-dai-moi-nhat-tu-789wwin__hero-section {
    padding: 10px 0 30px; /* Adjust top padding for mobile */
  }

  .page-blog-uu-dai-moi-nhat-tu-789wwin__hero-content {
    padding: 0 15px;
  }

  .page-blog-uu-dai-moi-nhat-tu-789wwin__main-title {
    font-size: 32px;
    margin-bottom: 15px;
  }

  .page-blog-uu-dai-moi-nhat-tu-789wwin__description {
    font-size: 16px;
    margin-bottom: 25px;
  }

  /* 2. Two-column layouts to single column */
  .page-blog-uu-dai-moi-nhat-tu-789wwin__promo-card-wrapper {
    grid-template-columns: 1fr; /* Single column for promo cards */
    gap: 20px;
  }

  /* 3. Universal image responsiveness */
  .page-blog-uu-dai-moi-nhat-tu-789wwin img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-blog-uu-dai-moi-nhat-tu-789wwin__hero-image-wrapper,
  .page-blog-uu-dai-moi-nhat-tu-789wwin__container,
  .page-blog-uu-dai-moi-nhat-tu-789wwin__promo-card,
  .page-blog-uu-dai-moi-nhat-tu-789wwin__cta-bottom,
  details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__container {
    padding: 0 15px; /* Adjust container padding for mobile */
  }

  /* 4. Buttons */
  .page-blog-uu-dai-moi-nhat-tu-789wwin__cta-button,
  .page-blog-uu-dai-moi-nhat-tu-789wwin__btn-small {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog-uu-dai-moi-nhat-tu-789wwin__section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__sub-title {
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 20px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin p,
  .page-blog-uu-dai-moi-nhat-tu-789wwin ul li,
  .page-blog-uu-dai-moi-nhat-tu-789wwin ol li {
    font-size: 16px;
  }
  details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item summary.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-question {
    padding: 15px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__faq-qtext {
    font-size: 16px;
  }
  .page-blog-uu-dai-moi-nhat-tu-789wwin__faq-toggle {
    font-size: 24px;
  }
  details.page-blog-uu-dai-moi-nhat-tu-789wwin__faq-item .page-blog-uu-dai-moi-nhat-tu-789wwin__faq-answer {
    padding: 0 15px 15px;
  }
}