:root {
  --qq484-primary-color: #FF8C1A;
  --qq484-secondary-color: #FFA53A;
  --qq484-button-gradient: linear-gradient(180deg, #FFA53A 0%, #D96800 100%);
  --qq484-card-bg: #17191F;
  --qq484-background: #0D0E12;
  --qq484-text-main: #FFF3E6;
  --qq484-border-color: #A84F0C;
  --qq484-glow-color: #FFB04D;
  --qq484-deep-orange: #D96800;
}

.page-tin-tuc {
  background-color: var(--qq484-background);
  color: var(--qq484-text-main);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

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

/* Hero Section */
.page-tin-tuc__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, header offset handled by body */
  padding-bottom: 40px;
  text-align: center;
  background-color: var(--qq484-background);
}

.page-tin-tuc__hero-content {
  max-width: 800px;
  margin-bottom: 30px;
}

.page-tin-tuc__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--qq484-primary-color);
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: 700;
}

.page-tin-tuc__description {
  font-size: 1.1rem;
  color: var(--qq484-text-main);
  margin-bottom: 25px;
  opacity: 0.9;
}

.page-tin-tuc__hero-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.page-tin-tuc__hero-image {
  width: 100%;
  max-width: 1200px;
  margin-top: 20px;
}

.page-tin-tuc__hero-image img {
  width: 1200px;
  height: 675px;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-tin-tuc__btn-primary {
  background: var(--qq484-button-gradient);
  color: var(--qq484-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(255, 140, 26, 0.4);
}

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

.page-tin-tuc__btn-secondary {
  background: transparent;
  color: var(--qq484-primary-color);
  border: 2px solid var(--qq484-primary-color);
}

.page-tin-tuc__btn-secondary:hover {
  background: var(--qq484-primary-color);
  color: var(--qq484-text-main);
}

/* Section Titles */
.page-tin-tuc__section-title {
  font-size: 2.5rem;
  color: var(--qq484-text-main);
  text-align: center;
  margin-bottom: 40px;
  margin-top: 60px;
  font-weight: 700;
}

.page-tin-tuc__intro-text {
  font-size: 1.05rem;
  text-align: center;
  max-width: 900px;
  margin: -20px auto 50px auto;
  color: var(--qq484-text-main);
  opacity: 0.8;
}

/* News List Section */
.page-tin-tuc__news-list-section {
  padding: 60px 0;
  background-color: var(--qq484-background);
}

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

.page-tin-tuc__news-card {
  background-color: var(--qq484-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--qq484-border-color);
}

.page-tin-tuc__news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.page-tin-tuc__news-card img {
  width: 400px;
  height: 225px;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-tin-tuc__news-card-content {
  padding: 20px;
}

.page-tin-tuc__news-card-title {
  font-size: 1.4rem;
  color: var(--qq484-primary-color);
  margin-bottom: 10px;
  line-height: 1.3;
  font-weight: 600;
}

.page-tin-tuc__news-card-meta {
  font-size: 0.9rem;
  color: var(--qq484-text-main);
  opacity: 0.7;
  margin-bottom: 15px;
}

.page-tin-tuc__news-card-excerpt {
  font-size: 1rem;
  color: var(--qq484-text-main);
  margin-bottom: 20px;
  opacity: 0.85;
}

.page-tin-tuc__read-more {
  color: var(--qq484-secondary-color);
  font-weight: bold;
  font-size: 0.95rem;
  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(--qq484-secondary-color);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

/* Pagination */
.page-tin-tuc__pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 50px;
  gap: 10px;
}

.page-tin-tuc__pagination-item {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  text-decoration: none;
  color: var(--qq484-text-main);
  background-color: var(--qq484-card-bg);
  border: 1px solid var(--qq484-border-color);
  transition: all 0.3s ease;
  font-weight: bold;
}

.page-tin-tuc__pagination-item:hover {
  background-color: var(--qq484-primary-color);
  color: #fff;
  border-color: var(--qq484-primary-color);
}

.page-tin-tuc__pagination-item--active {
  background-color: var(--qq484-primary-color);
  color: #fff;
  border-color: var(--qq484-primary-color);
}

/* Why Choose News Section */
.page-tin-tuc__why-choose-news-section {
  padding: 80px 0;
  background-color: var(--qq484-card-bg);
  color: var(--qq484-text-main);
}

.page-tin-tuc__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-tin-tuc__feature-item {
  background-color: rgba(255, 140, 26, 0.08); /* Light tint of primary color */
  border: 1px solid var(--qq484-border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.page-tin-tuc__feature-title {
  font-size: 1.5rem;
  color: var(--qq484-secondary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-tin-tuc__feature-description {
  font-size: 1rem;
  color: var(--qq484-text-main);
  opacity: 0.85;
}

/* CTA Section (General) */
.page-tin-tuc__cta-section {
  padding: 60px 0;
  text-align: center;
}

.page-tin-tuc__dark-section {
  background-color: var(--qq484-card-bg);
  color: var(--qq484-text-main);
}

.page-tin-tuc__orange-bg {
  background-color: var(--qq484-primary-color);
  color: #fff;
}

.page-tin-tuc__orange-bg .page-tin-tuc__section-title,
.page-tin-tuc__orange-bg .page-tin-tuc__description {
  color: #fff;
}

.page-tin-tuc__orange-bg .page-tin-tuc__btn-primary {
  background: #fff;
  color: var(--qq484-primary-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__orange-bg .page-tin-tuc__btn-primary:hover {
  background: #f0f0f0;
}

/* About News Section */
.page-tin-tuc__about-news-section {
  padding: 80px 0;
  background-color: var(--qq484-background);
}

.page-tin-tuc__about-content {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.page-tin-tuc__about-text {
  flex: 2;
  font-size: 1.05rem;
  color: var(--qq484-text-main);
  opacity: 0.9;
}

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

.page-tin-tuc__about-image {
  flex: 1;
  min-width: 300px; /* Ensure image doesn't get too small */
}

.page-tin-tuc__about-image img {
  width: 500px;
  height: 375px;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-tin-tuc__container {
    padding: 0 15px;
  }
  .page-tin-tuc__hero-image img {
    width: 100%;
    height: auto;
  }
  .page-tin-tuc__about-image img {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-tin-tuc__hero-section {
    flex-direction: column;
    padding-top: 10px;
    padding-bottom: 30px;
  }
  .page-tin-tuc__hero-content {
    margin-bottom: 20px;
  }
  .page-tin-tuc__main-title {
    font-size: 2rem;
  }
  .page-tin-tuc__description {
    font-size: 0.95rem;
  }
  .page-tin-tuc__hero-cta {
    flex-direction: column;
    gap: 10px;
    width: 100%; /* Ensure button container is full width */
    max-width: 300px; /* Limit overall width for small screens */
    margin: 0 auto;
  }

  /* 按钮与按钮容器 */
  .page-tin-tuc__btn-primary,
  .page-tin-tuc__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 通用图片与容器 */
  .page-tin-tuc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-tin-tuc__section,
  .page-tin-tuc__card,
  .page-tin-tuc__container,
  .page-tin-tuc__hero-cta {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 长文区 (News List, About News) */
  .page-tin-tuc__news-list-section, 
  .page-tin-tuc__why-choose-news-section, 
  .page-tin-tuc__cta-section, 
  .page-tin-tuc__about-news-section {
    padding: 40px 0;
  }
  .page-tin-tuc__section-title {
    font-size: 2rem;
    margin-top: 40px;
    margin-bottom: 30px;
  }
  .page-tin-tuc__intro-text {
    font-size: 0.95rem;
    margin-bottom: 40px;
  }
  .page-tin-tuc__news-grid {
    grid-template-columns: 1fr; /* Single column for news cards */
  }
  .page-tin-tuc__news-card-title {
    font-size: 1.2rem;
  }
  .page-tin-tuc__news-card-excerpt {
    font-size: 0.95rem;
  }
  .page-tin-tuc__about-content {
    flex-direction: column;
  }
  .page-tin-tuc__about-image {
    margin-top: 30px;
  }
  .page-tin-tuc__features-grid {
    grid-template-columns: 1fr; /* Single column for features */
  }
  .page-tin-tuc p, .page-tin-tuc li {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-tin-tuc__news-card img {
    width: 100%;
    height: auto;
  }
}