/* ============================================================
   page-maxillofacial.css — 颜面管理与正颌外科 专属样式
   ============================================================ */

/* ----------------------------------------------------------
   1. Page Hero (页面首屏)
   ---------------------------------------------------------- */
.page-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0F172A 0%, #111111 100%);
  padding-top: 140px;
  padding-bottom: 80px;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(212, 175, 55, 0.02) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
  align-items: center;
}

.page-hero-text {
  color: var(--color-pure-white);
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-wide);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--color-champagne-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-platinum-gray);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.page-hero-image-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.page-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ----------------------------------------------------------
   2. 适应症卡片 (Symptoms Section)
   ---------------------------------------------------------- */
.symptoms {
  background: var(--color-pure-white);
}

.symptoms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: var(--content-width);
  margin: 0 auto;
}

.symptom-card {
  background: var(--color-pearl-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.symptom-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-champagne-gold);
  box-shadow: var(--shadow-lg);
}

.symptom-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-champagne-gold);
  margin-bottom: var(--space-6);
}

.symptom-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-graphite-black);
  margin-bottom: var(--space-4);
}

.symptom-desc {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.symptom-solution {
  font-size: var(--text-sm);
  color: var(--color-champagne-gold);
  font-weight: var(--weight-semibold);
  border-top: 1px dashed var(--color-border-light);
  padding-top: var(--space-4);
}

/* ----------------------------------------------------------
   3. 治疗流程时间轴 (Timeline Section)
   ---------------------------------------------------------- */
.timeline {
  background: var(--color-pearl-white);
}

.timeline-container {
  max-width: var(--content-width);
  margin: 0 auto;
  position: relative;
  padding: var(--space-12) 0;
}

/* Desktop Horizontal Timeline Line */
.timeline-line {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, 
    rgba(212, 175, 55, 0.1) 0%, 
    var(--color-champagne-gold) 50%, 
    rgba(212, 175, 55, 0.1) 100%
  );
  transform: translateY(-50%);
  z-index: 1;
}

.timeline-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  position: relative;
  z-index: 2;
}

.timeline-step {
  text-align: center;
  position: relative;
}

.timeline-node {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-pure-white);
  border: 3px solid var(--color-champagne-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-champagne-gold);
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.timeline-step:hover .timeline-node {
  background: var(--color-champagne-gold);
  color: var(--color-pure-white);
  box-shadow: var(--shadow-gold);
  transform: scale(1.1);
}

.timeline-content {
  padding: 0 var(--space-2);
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-graphite-black);
  margin-bottom: var(--space-2);
}

.timeline-desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ----------------------------------------------------------
   4. 技术优势 (Advantages Section)
   ---------------------------------------------------------- */
.advantages {
  background: linear-gradient(135deg, #0F172A 0%, #111111 100%);
  color: var(--color-pure-white);
}

.advantages h2 {
  color: var(--color-pure-white);
}

.advantages .pillars-header p {
  color: var(--color-platinum-gray);
}

.advantages .advantage-title {
  color: var(--color-pure-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  max-width: var(--content-width);
  margin: 0 auto var(--space-12);
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--space-12);
}

.stat-item {
  position: relative;
}

.stat-number {
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--weight-bold);
  color: var(--color-champagne-gold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-platinum-gray);
  letter-spacing: var(--tracking-wide);
}

.advantages-detail {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.advantages-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.advantage-item {
  display: flex;
  gap: var(--space-4);
}

.advantage-num {
  font-family: var(--font-en);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-champagne-gold);
  line-height: 1;
  padding-top: var(--space-1);
}

.advantage-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-2);
}

.advantage-desc {
  font-size: var(--text-md);
  color: var(--color-platinum-gray);
  line-height: var(--leading-relaxed);
}

.advantages-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.advantages-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ----------------------------------------------------------
   5. 颜面管理资讯 (Articles Section)
   ---------------------------------------------------------- */
.articles-section {
  background: var(--color-pure-white);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: var(--content-width);
  margin: 0 auto;
}

.article-card {
  background: var(--color-pearl-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-champagne-gold);
  box-shadow: var(--shadow-lg);
  background: var(--color-pure-white);
}

.article-thumb-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #0F172A;
}

.article-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-base);
}

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

.article-card-content {
  padding: var(--space-6) var(--space-6) var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.article-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-xl);
  background: var(--color-gold-light);
  color: var(--color-champagne-gold);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.article-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-en);
}

.article-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-graphite-black);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
  transition: color var(--transition-base);
}

.article-card:hover .article-title {
  color: var(--color-champagne-gold);
}

.article-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

@media (min-width: 1025px) {
  .article-desc {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    max-height: 43.52px;
    overflow: hidden;
  }
}

.article-link-more {
  font-size: var(--text-sm);
  color: var(--color-champagne-gold);
  font-weight: var(--weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-base);
}

.article-card:hover .article-link-more {
  gap: 8px;
}

/* ----------------------------------------------------------
   6. 页面底端行动号召 (CTA Banner)
   ---------------------------------------------------------- */
.page-cta {
  background: var(--color-pure-white);
  padding: var(--space-12) var(--space-6);
}

.page-cta-banner {
  max-width: var(--content-width);
  margin: 0 auto;
  background: linear-gradient(135deg, #0F172A 0%, #1e293b 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-6);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.page-cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.page-cta-title {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: var(--weight-bold);
  color: var(--color-pure-white);
  margin-bottom: var(--space-4);
}

.page-cta-desc {
  font-size: var(--text-lg);
  color: var(--color-platinum-gray);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.page-cta-btn {
  background: var(--color-champagne-gold);
  color: var(--color-pure-white);
  border: none;
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-gold);
}

.page-cta-btn:hover {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-lg);
}

/* ----------------------------------------------------------
   响应式适配 (Responsive)
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .page-hero-content {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-8);
  }

  .symptoms-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }

  .timeline-line {
    display: none; /* Hide line when wraps */
  }

  .advantages-detail {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .page-hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .page-hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .symptoms-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .timeline-steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: left;
  }

  .timeline-step {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    text-align: left;
  }

  .timeline-node {
    margin: 0;
    flex-shrink: 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .advantages-visual {
    order: -1; /* Place image on top on mobile */
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}