.page-the-thao {
  font-family: 'Arial', sans-serif;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
  line-height: 1.6;
}

.page-the-thao__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

.page-the-thao__section {
  padding: 40px 0;
}

.page-the-thao__top-section {
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 40px;
  text-align: center;
}

.page-the-thao__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: 700;
  color: #1F2D3D;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-the-thao__intro-text {
  font-size: 1.1em;
  color: #1F2D3D;
  max-width: 800px;
  margin: 0 auto 30px auto;
}

.page-the-thao__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-the-thao__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1em;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-the-thao__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-the-thao__btn-primary:hover {
  box-shadow: 0 5px 15px rgba(47, 107, 255, 0.4);
  transform: translateY(-2px);
}

.page-the-thao__btn-secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
}

.page-the-thao__btn-secondary:hover {
  background: #f0f8ff;
  box-shadow: 0 5px 15px rgba(47, 107, 255, 0.1);
  transform: translateY(-2px);
}

.page-the-thao__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  font-weight: 700;
  color: #1F2D3D;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.3;
}

.page-the-thao__dark-section {
  background-color: #2F6BFF;
  color: #ffffff;
}

.page-the-thao__dark-section .page-the-thao__section-title,
.page-the-thao__dark-section p,
.page-the-thao__dark-section h3 {
  color: #ffffff;
}

.page-the-thao__sub-title {
  font-size: clamp(1.4em, 2.5vw, 2em);
  font-weight: 600;
  color: #1F2D3D;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-the-thao__dark-section .page-the-thao__sub-title {
  color: #ffffff;
}

.page-the-thao__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-the-thao__list li {
  margin-bottom: 8px;
  color: #1F2D3D;
}

.page-the-thao__dark-section .page-the-thao__list li {
  color: #ffffff;
}

.page-the-thao__figure {
  margin: 20px auto;
  max-width: 680px;
  text-align: center;
}

.page-the-thao__figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-the-thao__figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-the-thao__advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.page-the-thao__advantage-item {
  background-color: #FFFFFF; /* Card BG */
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-the-thao__advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.page-the-thao__advantage-title {
  font-size: 1.3em;
  font-weight: 700;
  color: #2F6BFF;
  margin-bottom: 15px;
}

.page-the-thao__advantage-item p {
  color: #1F2D3D;
  font-size: 0.95em;
}

.page-the-thao__step-by-step {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-the-thao__step-item {
  background-color: #FFFFFF;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-the-thao__step-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8em;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 3px 10px rgba(47, 107, 255, 0.3);
}

.page-the-thao__step-title {
  font-size: 1.4em;
  font-weight: 700;
  color: #1F2D3D;
  margin-bottom: 15px;
}

.page-the-thao__step-item p {
  color: #1F2D3D;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-the-thao__step-item .page-the-thao__btn {
  margin-top: auto;
}

.page-the-thao__tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
}

.page-the-thao__tips-list li {
  background-color: #FFFFFF;
  border-left: 5px solid #2F6BFF;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  font-size: 1em;
  color: #1F2D3D;
  transition: transform 0.2s ease;
}

.page-the-thao__tips-list li:hover {
  transform: translateX(5px);
}

.page-the-thao__faq-list {
  margin-top: 30px;
}

.page-the-thao__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #D6E2FF; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-the-thao__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.1em;
  font-weight: 600;
  color: #1F2D3D;
  cursor: pointer;
  background-color: #f8faff;
  user-select: none;
  list-style: none;
}

.page-the-thao__faq-question::-webkit-details-marker {
  display: none;
}

.page-the-thao__faq-item[open] .page-the-thao__faq-question {
  background-color: #e6f0ff;
}

.page-the-thao__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #2F6BFF;
}

.page-the-thao__faq-item[open] .page-the-thao__faq-toggle {
  transform: rotate(45deg);
}

.page-the-thao__faq-answer {
  padding: 15px 25px 20px;
  font-size: 0.95em;
  color: #333333;
  border-top: 1px solid #D6E2FF;
  background-color: #ffffff;
}

.page-the-thao__conclusion {
  text-align: center;
  padding-bottom: 60px;
}

.page-the-thao__cta-final {
  margin-top: 40px;
}

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-the-thao {
    font-size: 16px;
    line-height: 1.6;
  }

  /* 1. Top Section Title + CTA */
  .page-the-thao__top-section {
    padding-top: 10px !important; /* Small top padding */
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-the-thao__main-title {
    font-size: 2em; /* Adjusted for mobile */
  }

  .page-the-thao__intro-text {
    font-size: 1em;
  }

  .page-the-thao__top-cta {
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  /* 2. Single Column Content Container */
  .page-the-thao__article-wrap {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-the-thao__section-title {
    font-size: 1.6em;
    margin-bottom: 20px;
  }

  .page-the-thao__sub-title {
    font-size: 1.2em;
  }

  .page-the-thao__list {
    margin-left: 20px;
  }

  .page-the-thao__advantage-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-the-thao__advantage-item {
    padding: 20px;
  }

  .page-the-thao__advantage-title {
    font-size: 1.2em;
  }

  .page-the-thao__step-by-step {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-the-thao__step-item {
    padding: 25px;
  }

  /* 3. General Images and Figure */
  .page-the-thao img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-the-thao__figure {
    margin: 15px auto;
  }

  .page-the-thao__figcaption {
    font-size: 0.85em;
  }

  /* 4. Buttons and Button Containers */
  .page-the-thao__btn,
  .page-the-thao__btn-primary,
  .page-the-thao__btn-secondary,
  .page-the-thao a[class*="button"],
  .page-the-thao a[class*="btn"] {
    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-the-thao__cta-buttons,
  .page-the-thao__button-group,
  .page-the-thao__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column; /* Ensure vertical stacking for multiple buttons */
  }

  .page-the-thao__step-item .page-the-thao__btn {
    width: auto; /* Allow buttons in steps to adjust width if needed, but max-width 100% applies */
  }

  /* 5. FAQ Block (details/summary) */
  .page-the-thao__faq-item {
    margin-bottom: 10px;
  }

  .page-the-thao__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }

  .page-the-thao__faq-answer {
    padding: 10px 20px 15px;
    font-size: 0.9em;
  }

  .page-the-thao__tips-list li {
    padding: 12px 15px;
    font-size: 0.95em;
  }

  .page-the-thao__conclusion {
    padding-bottom: 40px;
  }

  .page-the-thao__cta-final {
    padding: 0 15px;
    box-sizing: border-box;
  }
}

/* --- Tablet Responsive Styles (max-width: 1024px) --- */
@media (max-width: 1024px) and (min-width: 769px) {
  .page-the-thao__article-wrap {
    padding: 0 30px;
  }

  .page-the-thao__main-title {
    font-size: 2.8em;
  }

  .page-the-thao__section-title {
    font-size: 2.4em;
  }

  .page-the-thao__advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-the-thao__step-by-step {
    grid-template-columns: repeat(2, 1fr);
  }
}