/* style/tin-tuc.css */
:root {
  --page-bg-color: #08160F;
  --card-bg-color: #11271B;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --border-color: #2E7A4E;
  --btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green-color: #0A4B2C;
}

.page-tin-tuc {
  background-color: var(--page-bg-color);
  color: var(--text-main-color);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  padding-bottom: 40px;
}

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

.page-tin-tuc__top-section {
  padding-top: 10px; /* Adjusted for shared header padding */
  padding-bottom: 60px;
  text-align: center;
  background-color: var(--deep-green-color);
  border-bottom: 1px solid var(--divider-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-tin-tuc__hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 30px; /* Space between image and text */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  width: 100%; /* Ensure it takes full width of its container */
  max-width: 1200px; /* Limit max width */
}

.page-tin-tuc__hero-content-wrapper {
  max-width: 900px; /* Constrain content width */
  padding: 0 20px;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 8px rgba(242, 193, 78, 0.4);
}

.page-tin-tuc__description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: var(--text-secondary-color);
}

.page-tin-tuc__top-cta {
  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 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn--primary {
  background: var(--btn-gradient);
  color: var(--text-main-color);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.3);
}

.page-tin-tuc__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.5);
}

.page-tin-tuc__btn--secondary {
  background: var(--card-bg-color);
  color: var(--gold-color);
  border: 2px solid var(--border-color);
}

.page-tin-tuc__btn--secondary:hover {
  background-color: var(--border-color);
  color: var(--text-main-color);
  transform: translateY(-2px);
}

.page-tin-tuc__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--gold-color);
  text-align: center;
  margin: 60px 0 40px 0;
  text-shadow: 0 0 5px rgba(242, 193, 78, 0.3);
}

.page-tin-tuc__section-title--small {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-top: 30px;
  margin-bottom: 20px;
}

.page-tin-tuc__featured-news-section {
  padding: 40px 0;
  background-color: var(--page-bg-color);
}

.page-tin-tuc__featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-tin-tuc__featured-card {
  background-color: var(--card-bg-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-tin-tuc__featured-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
}

.page-tin-tuc__featured-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.page-tin-tuc__featured-image {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border-color);
}

.page-tin-tuc__featured-content {
  padding: 25px;
}

.page-tin-tuc__featured-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gold-color);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-tin-tuc__featured-date {
  font-size: 0.9rem;
  color: var(--text-secondary-color);
  margin-bottom: 15px;
  display: block;
}

.page-tin-tuc__featured-summary {
  font-size: 1rem;
  color: var(--text-main-color);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3; /* Limit to 3 lines */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-tin-tuc__read-more {
  color: var(--glow-color);
  font-weight: 600;
  display: inline-block;
  position: relative;
}

.page-tin-tuc__read-more::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: var(--glow-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.page-tin-tuc__featured-link:hover .page-tin-tuc__read-more::after {
  transform: scaleX(1);
}

.page-tin-tuc__view-all-button-container {
  text-align: center;
  margin-top: 20px;
}

.page-tin-tuc__in-depth-analysis-section {
  padding: 60px 0;
  background-color: var(--card-bg-color);
  border-top: 1px solid var(--divider-color);
}

.page-tin-tuc__article-content {
  max-width: 900px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-main-color);
}

.page-tin-tuc__article-content h3 {
  font-size: 1.8rem;
  color: var(--gold-color);
  margin-top: 40px;
  margin-bottom: 20px;
  font-weight: 600;
  line-height: 1.3;
}

.page-tin-tuc__article-content h4 {
  font-size: 1.4rem;
  color: var(--glow-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-tin-tuc__article-content p {
  margin-bottom: 20px;
}

.page-tin-tuc__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: var(--text-main-color);
}

.page-tin-tuc__list li {
  margin-bottom: 10px;
}

.page-tin-tuc__list strong {
  color: var(--gold-color);
}

.page-tin-tuc__figure {
  margin: 30px 0;
  text-align: center;
  background-color: var(--deep-green-color);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.page-tin-tuc__figure-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
}

.page-tin-tuc__figure-caption {
  font-size: 0.9rem;
  color: var(--text-secondary-color);
  margin-top: 10px;
}

.page-tin-tuc__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-tin-tuc__contact-promo-section {
  padding: 60px 0;
  background-color: var(--page-bg-color);
  text-align: center;
}

.page-tin-tuc__contact-promo-card {
  background-color: var(--card-bg-color);
  border-radius: 12px;
  padding: 40px 30px;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

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

/* Tablet styles */
@media (max-width: 1024px) {
  .page-tin-tuc__main-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
  }

  .page-tin-tuc__description {
    font-size: 1rem;
    max-width: 700px;
  }

  .page-tin-tuc__featured-image {
    height: 220px;
  }

  .page-tin-tuc__featured-title {
    font-size: 1.3rem;
  }

  .page-tin-tuc__article-content {
    font-size: 1rem;
  }

  .page-tin-tuc__article-content h3 {
    font-size: 1.6rem;
  }
}

/* Mobile styles */
@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-tin-tuc__top-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-tin-tuc__hero-image {
    margin-bottom: 20px;
    border-radius: 8px;
  }

  .page-tin-tuc__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-tin-tuc__description {
    font-size: 0.95rem;
    margin-bottom: 25px;
    padding: 0 15px;
  }

  .page-tin-tuc__top-cta {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  .page-tin-tuc__btn {
    width: 100% !important; /* Force full width on mobile */
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 0.95rem;
  }

  /* 2. 单栏长文容器 (General content padding) */
  .page-tin-tuc__container {
    padding: 0 15px;
  }

  .page-tin-tuc__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin: 40px 0 30px 0;
  }

  .page-tin-tuc__featured-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-tin-tuc__featured-image {
    height: 200px; /* Adjust height for smaller screens */
  }

  .page-tin-tuc__featured-title {
    font-size: 1.2rem;
  }

  .page-tin-tuc__featured-summary {
    font-size: 0.9rem;
  }

  .page-tin-tuc__in-depth-analysis-section {
    padding: 40px 0;
  }

  .page-tin-tuc__article-content {
    font-size: 1rem;
    padding: 0 5px; /* Slight padding for inner text */
  }

  .page-tin-tuc__article-content h3 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-tin-tuc__article-content h4 {
    font-size: 1.2rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-tin-tuc__list {
    margin-left: 20px;
  }

  /* 3. 通用图片与 figure */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-tin-tuc__figure {
    margin: 20px 0;
    padding: 10px;
  }

  /* 4. 按钮与按钮容器 */
  .page-tin-tuc__cta-buttons {
    flex-direction: column;
    gap: 10px;
    margin-top: 30px;
    padding: 0 15px;
  }

  /* 5. 注册教程与 FAQ 区块 (Contact Promo Card acts as a general info card) */
  .page-tin-tuc__contact-promo-section {
    padding: 40px 0;
  }

  .page-tin-tuc__contact-promo-card {
    padding: 30px 20px;
  }

  .page-tin-tuc__section-title--small {
    font-size: 1.3rem;
  }
}

/* Ensure all images are responsive by default */
.page-tin-tuc img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Button specific responsive rules for containers */
.page-tin-tuc__top-cta,
.page-tin-tuc__cta-buttons {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

/* Ensure content containers are responsive */
.page-tin-tuc__section,
.page-tin-tuc__card,
.page-tin-tuc__container,
.page-tin-tuc__article-content {
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}