.page-tin-tuc {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light body background */
  background-color: #F4F7FB; /* Body background color */
}

.page-tin-tuc__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-tin-tuc__top-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  text-align: center;
  background-color: #F4F7FB;
  color: #1F2D3D;
}

.page-tin-tuc__main-title {
  font-size: clamp(2em, 4vw, 2.8em);
  font-weight: 700;
  line-height: 1.2;
  color: #1F2D3D;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-tin-tuc__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #1F2D3D;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-tin-tuc__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  font-size: 1em;
}

.page-tin-tuc__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
}

.page-tin-tuc__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-tin-tuc__btn-secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 4px 15px rgba(111, 163, 255, 0.2);
}

.page-tin-tuc__btn-secondary:hover {
  background: #f0f5ff;
  transform: translateY(-2px);
}

.page-tin-tuc__articles-section {
  padding: 60px 0;
  background-color: #F4F7FB;
}

.page-tin-tuc__article-wrap {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.page-tin-tuc__article {
  background-color: #ffffff; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  color: #1F2D3D; /* Text Main */
}

.page-tin-tuc__article-heading {
  font-size: 2em;
  font-weight: 700;
  color: #1F2D3D;
  margin-bottom: 25px;
  border-bottom: 2px solid #D6E2FF;
  padding-bottom: 15px;
}

.page-tin-tuc__sub-heading {
  font-size: 1.5em;
  font-weight: 600;
  color: #2F6BFF;
  margin-top: 35px;
  margin-bottom: 15px;
}

.page-tin-tuc__article p {
  margin-bottom: 15px;
  color: #1F2D3D;
}

.page-tin-tuc__article ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 20px;
  color: #1F2D3D;
}

.page-tin-tuc__article ul li {
  margin-bottom: 8px;
}

.page-tin-tuc__article a {
  color: #2F6BFF;
  text-decoration: none;
  font-weight: 500;
}

.page-tin-tuc__article a:hover {
  text-decoration: underline;
}

.page-tin-tuc__figure {
  margin: 25px 0;
  text-align: center;
}

.page-tin-tuc__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: block;
  margin: 0 auto;
}

.page-tin-tuc__figcaption {
  font-style: italic;
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
}

.page-tin-tuc__promo-box {
  background-color: #D6E2FF; /* Border color for background */
  border-left: 5px solid #2F6BFF;
  padding: 25px;
  border-radius: 8px;
  margin: 30px 0;
  color: #1F2D3D;
}

.page-tin-tuc__promo-title {
  font-size: 1.3em;
  color: #2F6BFF;
  margin-bottom: 10px;
}

.page-tin-tuc__promo-text {
  margin-bottom: 20px;
}

.page-tin-tuc__info-card {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  text-align: center;
  margin-top: 40px;
  color: #1F2D3D;
}

.page-tin-tuc__info-card-title {
  font-size: 1.8em;
  color: #2F6BFF;
  margin-bottom: 15px;
}

.page-tin-tuc__info-card-text {
  font-size: 1.1em;
  margin-bottom: 25px;
}

.page-tin-tuc__faq-section {
  margin-top: 30px;
}

.page-tin-tuc__faq-item {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-tin-tuc__faq-question {
  font-size: 1.2em;
  color: #1F2D3D;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  padding-right: 30px;
}

.page-tin-tuc__faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2em;
  color: #2F6BFF;
  transition: transform 0.3s ease;
}

.page-tin-tuc__faq-item.active .page-tin-tuc__faq-question::after {
  content: '-';
  transform: rotate(180deg);
}

.page-tin-tuc__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  color: #1F2D3D;
}

.page-tin-tuc__faq-item.active .page-tin-tuc__faq-answer {
  max-height: 500px; /* Adjust as needed for content */
  transition: max-height 0.5s ease-in;
  padding-top: 15px;
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {
  .page-tin-tuc__main-title {
    font-size: clamp(1.8em, 5vw, 2.5em);
  }
  .page-tin-tuc__articles-section {
    padding: 40px 0;
  }
  .page-tin-tuc__article {
    padding: 25px;
  }
  .page-tin-tuc__article-heading {
    font-size: 1.8em;
  }
  .page-tin-tuc__sub-heading {
    font-size: 1.3em;
  }
  .page-tin-tuc__info-card {
    padding: 25px;
  }
  .page-tin-tuc__info-card-title {
    font-size: 1.6em;
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-tin-tuc__top-section {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
    padding-bottom: 30px;
  }
  .page-tin-tuc__main-title {
    font-size: clamp(1.5em, 7vw, 2.2em) !important;
    margin-bottom: 15px;
  }
  .page-tin-tuc__description {
    font-size: 1em;
    margin-bottom: 20px;
    padding: 0 10px;
  }
  .page-tin-tuc__cta-buttons {
    flex-direction: column !important;
    gap: 10px;
    padding: 0 15px;
  }
  /* 4. 按钮与按钮容器 */
  .page-tin-tuc__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 10px 15px;
    font-size: 0.95em;
  }
  .page-tin-tuc__cta-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
    flex-wrap: wrap !important; /* Ensure wrapping for multiple buttons */
    display: flex;
  }

  /* 2. 单栏长文容器 */
  .page-tin-tuc__container,
  .page-tin-tuc__article-wrap,
  .page-tin-tuc__article,
  .page-tin-tuc__promo-box,
  .page-tin-tuc__info-card,
  .page-tin-tuc__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .page-tin-tuc__articles-section {
    padding: 30px 0;
  }
  .page-tin-tuc__article {
    padding: 20px;
  }
  .page-tin-tuc__article-heading {
    font-size: 1.5em;
    margin-bottom: 15px;
    padding-bottom: 10px;
  }
  .page-tin-tuc__sub-heading {
    font-size: 1.2em;
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-tin-tuc__article p,
  .page-tin-tuc__article ul {
    font-size: 0.95em;
  }
  .page-tin-tuc__promo-box {
    padding: 20px;
  }
  .page-tin-tuc__promo-title {
    font-size: 1.2em;
  }
  .page-tin-tuc__info-card {
    padding: 20px;
    margin-top: 30px;
  }
  .page-tin-tuc__info-card-title {
    font-size: 1.5em;
  }
  .page-tin-tuc__info-card-text {
    font-size: 1em;
  }
  /* 3. 通通用图片与 figure */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-tin-tuc__figure {
    margin: 15px 0;
  }
  .page-tin-tuc__figcaption {
    font-size: 0.85em;
  }
  /* 5. 注册教程与 FAQ 区块 */
  .page-tin-tuc__faq-question {
    font-size: 1.1em;
    padding-right: 25px;
  }
  .page-tin-tuc__faq-question::after {
    font-size: 1em;
  }
  .page-tin-tuc__faq-answer {
    font-size: 0.95em;
  }
}