/* ============================================
   Guangzhou Concord Cancer Center — Global Site
   Design System & Core Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --primary: #0F3D5C;
  --primary-light: #1A5C8A;
  --primary-dark: #0A2840;
  --accent: #00897B;
  --accent-light: #4DB6AC;
  --accent-dark: #00695C;
  --gold: #C8A45C;
  --gold-light: #F5ECD7;
  --bg: #F8FAFB;
  --bg-card: #FFFFFF;
  --bg-alt: #EEF2F6;
  --text: #2D3748;
  --text-light: #5A6A7E;
  --text-muted: #8899AA;
  --border: #E2E8F0;
  --border-light: #F0F3F7;
  --success: #38A169;
  --warning: #D69E2E;
  --danger: #E53E3E;
  --radius: 12px;
  --radius-sm: 6px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}
h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

/* --- Layout Components --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-light); font-size: 1.1rem; }

.bg-white { background: var(--bg-card); }
.bg-alt { background: var(--bg-alt); }
.bg-primary { background: var(--primary); color: #fff; }
.bg-primary h2, .bg-primary h3 { color: #fff; }
.bg-accent { background: var(--accent); color: #fff; }

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.01em;
}
.nav-brand img { height: 40px; width: auto; }
.brand-x {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 400;
  margin: 0 2px;
}
.brand-hospital {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: var(--text);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.925rem;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-links a:hover {
  background: var(--bg-alt);
  color: var(--primary);
}
.nav-links .btn-nav {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  font-weight: 600;
}
.nav-links .btn-nav:hover { background: var(--accent-dark); }
.nav-back {
  color: var(--accent) !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  padding: 6px 14px !important;
  border: 1.5px solid var(--accent) !important;
  border-radius: var(--radius-sm) !important;
}
.nav-back:hover { background: var(--accent) !important; color: #fff !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none; border: none;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  padding: 100px 0 80px;
  background: 
    linear-gradient(135deg, rgba(15,61,92,0.9) 0%, rgba(26,92,138,0.88) 50%, rgba(15,61,92,0.92) 100%),
    url('/assets/images/facilities/hospital-hero.webp') center/cover no-repeat;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -10%;
  top: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content {
  max-width: 680px;
  position: relative;
  z-index: 1;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { background: var(--bg-alt); }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* --- Trust Bar --- */
.trust-bar {
  padding: 28px 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.trust-bar-inner {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
}
.trust-icon {
  width: 32px; height: 32px;
  background: var(--gold-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

/* --- Cards --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.cards-grid-2 { grid-template-columns: repeat(2, 1fr); }
.cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--border-light);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card-icon {
  width: 52px; height: 52px;
  background: var(--gold-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.card-img-top { padding: 0; overflow: hidden; }
.card-img-top > img:first-child { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius) var(--radius) 0 0; display: block; }
.card-img-top > div { padding: 16px 20px 20px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-light); font-size: 0.95rem; line-height: 1.6; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; font-size: 0.9rem; color: var(--accent); }

/* Service Cards */
.service-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.service-card-body { padding: 28px; }
.service-card-body h3 { margin-bottom: 8px; }
.service-card-body p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 16px; }
.service-card .badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--gold-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card-img { width: 100%; height: 240px; object-fit: cover; display: block; }

/* Department Cards */
.dept-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; }
.dept-card-img { width: 80px; height: 80px; border-radius: 16px; object-fit: cover; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.dept-card h3 { font-size: 1rem; margin: 0; }
.dept-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 8px; }

/* --- Feature Row --- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse .feature-text { direction: ltr; }
.feature-image {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  font-size: 64px;
  color: var(--accent);
}
.feature-text h2 { margin-bottom: 16px; }
.feature-text p { color: var(--text-light); margin-bottom: 24px; font-size: 1.05rem; }
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-light); font-size: 0.95rem; }
.feature-list li::before { content: '\2713'; color: var(--accent); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

/* --- Stats Row --- */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item .stat-number { font-size: 3rem; font-weight: 800; color: #4DB6AC; line-height: 1; margin-bottom: 8px; }
.stat-item .stat-label { color: rgba(255,255,255,0.85); font-size: 0.95rem; }

/* --- Doctor Card --- */
.doctor-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
}
.doctor-card:hover { box-shadow: var(--shadow); }
.doctor-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  color: var(--accent);
  flex-shrink: 0;
}
.doctor-info h4 { margin-bottom: 4px; }
.doctor-specialty { color: var(--accent); font-weight: 600; font-size: 0.875rem; margin-bottom: 6px; }
.doctor-langs { font-size: 0.8rem; color: var(--text-muted); }
.doctor-langs span { display: inline-block; padding: 2px 8px; background: var(--bg-alt); border-radius: 12px; margin: 2px 4px 2px 0; }
.badge-expert {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, #b8860b, #daa520);
  padding: 2px 8px;
  border-radius: 10px;
  vertical-align: middle;
  margin-left: 8px;
}

/* --- FAQ --- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  width: 100%;
  background: none; border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  padding: 0;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  font-family: var(--font);
}
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--accent); transition: transform var(--transition); }
.faq-item.open .faq-question::after { content: '\2212'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.open .faq-answer { max-height: 500px; padding-top: 12px; }
.faq-answer p { color: var(--text-light); font-size: 0.95rem; }

/* --- Contact Form --- */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font);
  transition: border-color var(--transition);
  background: var(--bg);
  color: var(--text);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,137,123,0.1);
}
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: 0.875rem; color: var(--text-light); }
.form-checkbox input { width: auto; margin-top: 3px; }

/* --- Journey Steps --- */
.journey-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; }
.journey-step { text-align: center; position: relative; }
.step-number {
  width: 56px; height: 56px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 16px;
}
.step-connector {
  position: absolute;
  top: 28px;
  left: 65%;
  width: 70%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step-connector.dashed { border-top: 2px dashed var(--border); background: none; }

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  text-align: center;
  padding: 72px 24px;
  border-radius: var(--radius-lg);
}
.cta-banner h2 { color: #fff; margin-bottom: 16px; }
.cta-banner p { opacity: 0.9; margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-banner .btn-outline { border-color: rgba(255,255,255,0.4); }

/* --- Footer --- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer a:hover { color: #fff; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-social { display: flex; gap: 16px; }

/* --- Page Banner --- */
.page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 72px 0 56px;
  text-align: center;
}
.page-banner h1 { color: #fff; margin-bottom: 12px; }
.page-banner p { opacity: 0.85; font-size: 1.1rem; max-width: 640px; margin: 0 auto; }

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
  padding: 16px 0;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb span { color: var(--text-muted); }

/* --- Content Body --- */
.content-body { max-width: 800px; margin: 0 auto; }
.content-body h2 { margin: 40px 0 16px; }
.content-body h3 { margin: 28px 0 12px; }
.content-body p { margin-bottom: 16px; color: var(--text-light); line-height: 1.8; }
.content-body ul { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.content-body ul li { margin-bottom: 8px; color: var(--text-light); }
.content-body .highlight-box {
  background: var(--gold-light);
  border-left: 4px solid var(--gold);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin: 24px 0;
}
.content-body .highlight-box p { color: var(--text); margin-bottom: 0; }

/* --- Tabs --- */
.tabs-nav { display: flex; gap: 4px; background: var(--bg-alt); border-radius: var(--radius); padding: 4px; margin-bottom: 32px; }
.tab-btn {
  flex: 1;
  padding: 12px 20px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-light);
  font-family: var(--font);
}
.tab-btn.active { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }

/* --- Filter Bar --- */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-bar select {
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  min-width: 180px;
}

/* --- Location Cards --- */
.location-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.location-card h3 { margin-bottom: 4px; }
.location-card .location-city { color: var(--accent); font-weight: 600; font-size: 0.875rem; margin-bottom: 12px; }

/* --- Notifications --- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--success);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  z-index: 9999;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* --- Service Detail Page --- */
.service-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 48px 0;
  text-align: center;
}
.service-hero h1 { color: #fff; margin-bottom: 12px; }
.service-hero p { opacity: 0.85; font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.service-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.service-info-grid .feature-image { min-height: 280px; }

/* --- News Card --- */
.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.news-card-img { width: 100%; height: 200px; object-fit: cover; display: block; }
.news-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.news-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
.news-card-tag { display: inline-block; padding: 2px 10px; background: var(--gold-light); color: var(--primary); border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.news-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.4; }
.news-card-body h3 a { color: var(--primary); }
.news-card-body h3 a:hover { color: var(--accent); }
.news-card-body p { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; flex: 1; }
.news-card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-weight: 600; font-size: 0.85rem; color: var(--accent); }

/* News Tabs */
.news-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.news-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  background: var(--bg-alt);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.news-tab:hover { color: var(--primary); border-color: var(--border); }
.news-tab.active { background: var(--accent); color: #fff; }

/* --- Article --- */
.article-header { max-width: 800px; margin: 0 auto; padding: 48px 0 32px; }
.article-category { display: inline-block; padding: 4px 14px; background: var(--gold-light); color: var(--primary); border-radius: 20px; font-size: 0.8rem; font-weight: 600; margin-bottom: 16px; }
.article-header h1 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); line-height: 1.3; margin-bottom: 16px; }
.article-meta { display: flex; align-items: center; gap: 20px; font-size: 0.85rem; color: var(--text-muted); flex-wrap: wrap; }
.article-cover { width: 100%; max-width: 960px; margin: 0 auto 48px; border-radius: var(--radius-lg); overflow: hidden; }
.article-cover img { width: 100%; height: auto; max-height: 480px; object-fit: cover; display: block; }
.article-body { max-width: 760px; margin: 0 auto; padding: 0 24px 64px; font-size: 1.05rem; line-height: 1.8; color: var(--text); }
.article-body h2 { font-size: 1.5rem; margin: 40px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--bg-alt); }
.article-body h3 { font-size: 1.2rem; margin: 32px 0 12px; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin: 0 0 20px 20px; list-style: revert; color: var(--text-light); }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  padding: 16px 24px;
  background: var(--bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-light);
}
.article-body strong { color: var(--primary); }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.article-sidebar { position: sticky; top: calc(var(--nav-height) + 24px); align-self: start; }
.sidebar-cta { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; padding: 32px 24px; border-radius: var(--radius); text-align: center; }
.sidebar-cta h3 { color: #fff; margin-bottom: 12px; font-size: 1.1rem; }
.sidebar-cta p { font-size: 0.9rem; opacity: 0.85; margin-bottom: 20px; }
.sidebar-cta .btn { background: #fff; color: var(--primary); border-color: #fff; }
.article-img-row { margin: 32px 0; text-align: center; }
.article-img-row img { max-width: 100%; border-radius: var(--radius); }
.img-caption { text-align: center; font-size: 0.9rem; color: var(--text-light); margin-top: 8px; font-style: italic; }

/* --- Pagination --- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.pagination a, .pagination span {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500;
  color: var(--text-light);
  background: var(--bg-alt);
  transition: all var(--transition);
}
.pagination a:hover { background: var(--accent); color: #fff; }
.pagination .current { background: var(--accent); color: #fff; }

/* --- MedTourChina Rebrand --- */
.nav-brand img { height: 40px; width: auto; }
.brand-x { color: var(--text-muted); font-size: 1rem; font-weight: 400; margin: 0 2px; }
.brand-hospital { color: var(--primary); font-size: 1.1rem; font-weight: 700; }
.nav-back {
  color: var(--accent) !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  padding: 6px 14px !important;
  border: 1.5px solid var(--accent) !important;
  border-radius: var(--radius-sm) !important;
}
.nav-back:hover { background: var(--accent) !important; color: #fff !important; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse { direction: ltr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .journey-steps { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .cards-grid-3, .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .service-info-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: #fff;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav-toggle { display: flex; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 1.75rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid-2, .cards-grid-3, .cards-grid-4 { grid-template-columns: 1fr; }
  .trust-bar-inner { gap: 24px; }
  .trust-item { font-size: 0.8rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .contact-form { padding: 28px; }
  .nav-brand img { height: 32px; }
  .brand-hospital { font-size: 0.95rem; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* --- Print --- */
@media print {
  .nav, .footer, .cta-banner, .btn { display: none; }
  body { font-size: 12pt; }
}