/* ============================================
   Xiniu Construction Machinery - News Detail Page Styles
   ============================================ */

/* ===== News Hero Carousel ===== */
.news-hero-carousel {
  position: relative;
  width: 100%;
  height: 680px;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-carousel-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.hero-carousel-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-carousel-bg {
  position: absolute;
  inset: 0;
}

.hero-carousel-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-carousel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
}

.hero-carousel-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 260px;
}

.hero-carousel-content .container {
  max-width: none;
  margin: 0;
  padding: 0;
}

.hero-carousel-content h1 {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-white);
  line-height: 1;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  margin-bottom: var(--space-md);
}

.hero-carousel-content p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: var(--space-lg);
}

.btn-hero-carousel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-white);
  background-color: #C4301A;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-hero-carousel:hover {
  background-color: #A32816;
  transform: translateY(-1px);
}

.btn-hero-carousel svg {
  width: 14px;
  height: 14px;
}

/* Carousel Navigation Buttons */
.hero-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-carousel-btn:hover {
  background-color: #C4301A;
  border-color: #C4301A;
}

.hero-carousel-prev {
  left: 80px;
}

.hero-carousel-next {
  right: 80px;
}

.hero-carousel-btn svg {
  width: 20px;
  height: 20px;
}

/* Carousel Dots */
.hero-carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-dot.active {
  width: 36px;
  border-radius: 5px;
  background-color: white;
}

/* ===== News Detail Section ===== */
.news-detail-section {
  padding: 40px 260px var(--space-3xl);
  background-color: var(--color-bg);
}

.news-detail-container {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-2xl);
  max-width: none;
  margin: 0;
  padding: 0;
}

/* ===== Breadcrumb ===== */
.news-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.breadcrumb-home {
  display: flex;
  align-items: center;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb-home:hover {
  color: var(--color-primary);
}

.breadcrumb-home svg {
  width: 14px;
  height: 14px;
}

.breadcrumb-separator {
  color: var(--color-text-muted);
}

.news-breadcrumb a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.news-breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-current {
  color: var(--color-text-muted);
}

/* ===== Article Title ===== */
.news-detail-title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

/* ===== Article Date ===== */
.news-detail-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.news-detail-date svg {
  width: 14px;
  height: 14px;
  color: var(--color-text-muted);
}

/* ===== Article Body ===== */
.news-detail-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.news-detail-body p {
  margin-bottom: var(--space-md);
}

.news-detail-subtitle {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: var(--space-xl) 0 var(--space-md);
  line-height: 1.4;
}

.news-detail-image {
  margin: var(--space-xl) 0;
  overflow: hidden;
}

.news-detail-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ===== Sidebar ===== */
.news-detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.sidebar-card {
  background-color: var(--color-bg);
  border: 1px solid #DBDBDB;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.sidebar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.sidebar-card-img {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  padding: 16px;
  padding-bottom: 0;
}

.sidebar-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.sidebar-card:hover .sidebar-card-img img {
  transform: scale(1.05);
}

.sidebar-card-body {
  padding: 16px;
}

.sidebar-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.sidebar-card-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: #6E95B4;
  background-color: #EEF8FF;
  padding: 2px 8px;
  border-radius: 2px;
}

.sidebar-card-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.sidebar-card-body h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

.sidebar-card-body p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

/* News small button (reused) */
.btn-news-sm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  background-color: transparent;
  border: 1px solid #0F0F0F;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-news-sm:hover {
  background-color: #C4301A;
  border-color: #C4301A;
  color: var(--color-text-white);
}

.btn-news-sm svg {
  width: 12px;
  height: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 1650px) {
  .hero-carousel-content {
    padding: 0 160px;
  }

  .hero-carousel-prev {
    left: 50px;
  }

  .hero-carousel-next {
    right: 50px;
  }

  .news-detail-section {
    padding: 40px 160px var(--space-3xl);
  }

  .news-detail-container {
    grid-template-columns: 1fr 300px;
    gap: var(--space-xl);
  }

  .news-detail-title {
    font-size: 26px;
  }

  .hero-carousel-content h1 {
    font-size: 42px;
  }
}

@media (max-width: 1399px) {
  .hero-carousel-content {
    padding: 0 120px;
  }

  .hero-carousel-prev {
    left: 40px;
  }

  .hero-carousel-next {
    right: 40px;
  }

  .news-detail-section {
    padding: 40px 120px var(--space-3xl);
  }

  .news-detail-container {
    grid-template-columns: 1fr 260px;
    gap: var(--space-lg);
  }

  .news-detail-title {
    font-size: 24px;
  }

  .hero-carousel-content h1 {
    font-size: 38px;
  }
}

@media (max-width: 1199px) {
  .hero-carousel-content {
    padding: 0 80px;
  }

  .hero-carousel-prev {
    left: 30px;
  }

  .hero-carousel-next {
    right: 30px;
  }

  .news-detail-section {
    padding: 40px 80px var(--space-3xl);
  }

  .news-detail-container {
    grid-template-columns: 1fr 240px;
    gap: var(--space-lg);
  }

  .news-detail-title {
    font-size: 22px;
  }

  .hero-carousel-content h1 {
    font-size: 34px;
  }
}

@media (max-width: 1023px) {
  .news-hero-carousel {
    height: 320px;
  }

  .hero-carousel-content {
    padding: 0 40px;
  }

  .hero-carousel-prev {
    left: 16px;
  }

  .hero-carousel-next {
    right: 16px;
  }

  .hero-carousel-btn {
    width: 36px;
    height: 36px;
  }

  .news-detail-section {
    padding: 32px 40px var(--space-2xl);
  }

  .news-detail-container {
    grid-template-columns: 1fr 220px;
    gap: var(--space-md);
  }

  .news-detail-title {
    font-size: 20px;
  }

  .hero-carousel-content h1 {
    font-size: 30px;
  }

  .sidebar-card-img {
    padding: 12px;
    padding-bottom: 0;
  }

  .sidebar-card-body {
    padding: 12px;
  }
}

@media (max-width: 767px) {
  .news-hero-carousel {
    height: 280px;
    margin-top: var(--header-height);
    overflow: hidden;
    touch-action: pan-y;
  }

  .hero-carousel-wrapper {
    display: flex;
    flex-wrap: nowrap;
    height: 100%;
    transition: transform 0.3s ease-out;
  }

  .hero-carousel-slide {
    position: relative;
    flex: 0 0 100%;
    opacity: 1;
    visibility: visible;
    display: block;
  }

  .hero-carousel-slide.active {
    opacity: 1;
    visibility: visible;
  }

  .hero-carousel-bg {
    display: block;
  }

  .hero-carousel-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .hero-carousel-overlay {
    display: block;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
  }

  .hero-carousel-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding: 0 16px;
    height: auto;
    background: none;
  }

  .hero-carousel-content::before {
    display: none;
  }

  .hero-carousel-content .container {
    position: relative;
    z-index: 1;
  }

  .hero-carousel-content h1 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-sm);
  }

  .hero-carousel-content p {
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
    max-width: 280px;
  }

  .btn-hero-carousel {
    padding: 8px 16px;
    font-size: var(--text-xs);
  }

  .hero-carousel-btn {
    display: none;
  }

  .hero-carousel-dots {
    bottom: 12px;
  }

  .hero-dot {
    width: 8px;
    height: 8px;
  }

  .hero-dot.active {
    width: 24px;
  }

  .news-detail-section {
    padding: 24px 16px var(--space-xl);
  }

  .news-detail-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .news-detail-title {
    font-size: var(--text-xl);
  }

  .news-detail-subtitle {
    font-size: var(--text-md);
  }

  .news-breadcrumb {
    font-size: var(--text-xs);
  }

  .sidebar-card {
    max-width: 100%;
  }
}