:root {
  /* 天一急救品牌规范：主色 C100 M90 Y10 K0 ≈ #001ae6；辅色 C35 M80 Y15 K0 ≈ #a633d9；黑/白 */
  --primary: #001ae6;
  --primary-light: #3359ff;
  --primary-soft: #e8ebff;
  --accent: #a633d9;
  --accent-light: #f5e8fb;
  --text: #0b0f19;
  --text-secondary: #4a5568;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --border: #e2e8f0;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --max-width: 1200px;
  --nav-h: 66px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Han Sans SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 48px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand img {
  height: 42px;
  width: auto;
  display: block;
}

.footer-logo {
  height: 40px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}

.nav {
  display: flex;
  gap: 12px;
}

.nav a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.84rem;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
}

.nav a.active::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--accent);
  margin-top: 4px;
}

/* 主类目下拉导航 */
.nav-dropdown {
  position: relative;
}
.nav-drop-trigger {
  cursor: pointer;
}
.nav-drop-trigger::after {
  content: "▼";
  display: inline-block;
  font-size: 0.65em;
  margin-left: 5px;
  vertical-align: middle;
  opacity: 0.7;
}
.nav-drop-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 170px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 100;
}
.nav-drop-menu::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-bottom-color: var(--border);
}
.nav-drop-menu::after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: #fff;
}
.nav-dropdown:hover .nav-drop-menu,
.nav-dropdown:focus-within .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.nav-drop-menu a {
  display: block;
  padding: 9px 18px;
  white-space: nowrap;
  font-size: 0.88rem;
}
.nav-drop-menu a:hover,
.nav-drop-menu a.active {
  background: var(--bg-soft);
  color: var(--primary);
}
.nav-drop-menu a.active::after {
  display: none;
}
.nav-drop-trigger.active {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-light);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  background: linear-gradient(105deg, rgba(0, 26, 230, 0.92) 0%, rgba(0, 26, 230, 0.75) 55%, rgba(0, 26, 230, 0.2) 100%),
    url("../assets/images/hero_training.jpg") center/cover no-repeat;
  color: #fff;
  padding: 80px 0;
}

.hero-content {
  max-width: 680px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
}

.brand-slogan {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 12px;
  opacity: 0.95;
  color: #fff;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-stat strong {
  display: block;
  font-size: 2rem;
  color: #fff;
}

.hero-stat span {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* Stats section */
.stats {
  background: var(--primary);
  color: #fff;
  padding: 56px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}

.stat-card h3 {
  font-size: 2.4rem;
  margin: 0 0 4px;
}

.stat-card p {
  margin: 0;
  opacity: 0.9;
  font-size: 0.95rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  background: var(--primary-soft);
  color: var(--primary);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Image card */
.img-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.img-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.img-card .body {
  padding: 20px;
}

.img-card .body h4 {
  margin: 0 0 8px;
}

.img-card .body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* Split section */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.split h2 {
  font-size: 2rem;
  margin: 0 0 16px;
}

.split p {
  color: var(--text-secondary);
}

/* Feature list */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.feature-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
}

/* Courses */
.course-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.course-card .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  margin-bottom: 10px;
  width: fit-content;
}

.course-card .meta {
  margin-top: auto;
  padding-top: 16px;
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Pricing cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.pricing-header {
  margin-bottom: 20px;
}

.pricing-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  margin-bottom: 12px;
}

.pricing-header h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.35;
}

.pricing-body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pricing-row > p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.pricing-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.pricing-row--highlight {
  background: linear-gradient(135deg, var(--primary-soft) 0%, #f8f5ff 100%);
  border: 1px solid rgba(0, 26, 230, 0.12);
  border-radius: 12px;
  padding: 16px;
  gap: 10px;
}

.pricing-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-main {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}

.pricing-currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}

.pricing-price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.pricing-unit {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-left: 2px;
}

.pricing-original {
  margin-left: 10px;
  font-size: 0.85rem;
  color: #94a3b8;
  text-decoration: line-through;
}

.pricing-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pricing-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: #fff;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.pricing-chip--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pricing-footer {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pricing-footer .meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pricing-footer .btn {
  width: 100%;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-price {
    font-size: 2rem;
  }
}

/* Enhanced pricing display: modular & prominent */
.pricing-card {
  position: relative;
  overflow: hidden;
}

.pricing-card--featured {
  border-color: var(--primary);
  box-shadow: 0 10px 36px rgba(0, 26, 230, 0.12);
}

.pricing-card--featured::before {
  content: "人气推荐";
  position: absolute;
  top: 12px;
  right: -32px;
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 5px 34px;
  letter-spacing: 0.04em;
}

.pricing-card--accent {
  border-color: var(--accent);
  box-shadow: 0 10px 36px rgba(166, 51, 217, 0.12);
}

.pricing-card--accent::before {
  content: "导师课程";
  position: absolute;
  top: 12px;
  right: -32px;
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 5px 34px;
  letter-spacing: 0.04em;
}

.pricing-price {
  font-size: 2.8rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-save {
  display: inline-flex;
  align-items: center;
  background: #dcfce7;
  color: #166534;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-left: 10px;
}

.pricing-row--highlight {
  border-left: 4px solid var(--primary);
}

.pricing-module-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
}

.pricing-module-title::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.pricing-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1100px) {
  .pricing-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .pricing-grid--4 {
    grid-template-columns: 1fr;
  }
}

/* Course detail compact card */
.course-detail-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.course-detail-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.course-detail-card .card-header {
  margin-bottom: 16px;
}

.course-detail-card .course-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.course-detail-card .course-row p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

.course-detail-card .price-module {
  margin-top: auto;
  background: linear-gradient(135deg, var(--primary-soft) 0%, #f8f5ff 100%);
  border: 1px solid rgba(0, 26, 230, 0.1);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 14px;
}

.course-detail-card .price-module .price-main {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}

.course-detail-card .price-module .price-currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.course-detail-card .price-module .price-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.course-detail-card .price-module .price-unit {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.course-detail-card .price-module .price-original {
  margin-left: 8px;
  font-size: 0.8rem;
  color: #94a3b8;
  text-decoration: line-through;
}

.course-detail-card .price-module .price-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.course-detail-card .price-module .price-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: #fff;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.course-detail-card .card-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.course-detail-card .card-footer .btn {
  width: 100%;
}

.course-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

@media (max-width: 1024px) {
  .course-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .course-detail-grid {
    grid-template-columns: 1fr;
  }
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 28px;
  border-left: 2px solid var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 28px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}

.timeline-item h4 {
  margin: 0 0 6px;
  color: var(--primary);
}

/* Cases */
.case-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.case-tab {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.case-tab.active,
.case-tab:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.case-panel {
  display: none;
}

.case-panel.active {
  display: block;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.team-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.team-card .avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 16px;
  flex-shrink: 0;
}

.team-card .avatar-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
  color: var(--primary);
  border: 2px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 16px;
  flex-shrink: 0;
}

.team-card .avatar-placeholder span { line-height: 1; }

.team-card h4 {
  margin: 0 0 4px;
}

.team-card .role {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.team-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin: auto 0 0;
  padding-top: 12px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h3 {
  margin-top: 0;
}

.contact-info .info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.contact-info .info-item .icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #0b1033 0%, #1a1056 60%, #2a1166 100%);
  color: #cbd5e1;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1fr) 1.1fr 0.9fr;
  grid-template-areas: "brand about training academics contact qr";
  gap: 28px 24px;
  margin-bottom: 40px;
  align-items: start;
}

.footer-grid > :nth-child(1) { grid-area: brand; }
.footer-grid > :nth-child(2) { grid-area: about; }
.footer-grid > :nth-child(3) { grid-area: training; }
.footer-grid > :nth-child(4) { grid-area: academics; }
.footer-grid > :nth-child(5) { grid-area: contact; }
.footer-grid > :nth-child(6) { grid-area: qr; }

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-logo {
  max-width: 180px;
  height: auto;
}

.footer-brand p {
  font-size: 0.9rem;
  color: #94a3b8;
  margin: 0;
  line-height: 1.6;
}

.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.footer-col a {
  color: #cbd5e1;
  display: block;
  margin-bottom: 9px;
  font-size: 0.88rem;
  line-height: 1.55;
  transition: color 0.2s, transform 0.15s;
}

.footer-col a:hover {
  color: #fff;
  transform: translateX(2px);
}

.footer-contact-col .footer-contact {
  margin: 0 0 10px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #cbd5e1;
}

.footer-contact-col .footer-contact strong {
  color: #fff;
  font-weight: 600;
}

.footer-contact-col .footer-contact a {
  display: inline;
  margin: 0;
  color: #fff;
  font-weight: 600;
}

.footer-contact-col .footer-contact a:hover {
  text-decoration: underline;
}

.footer-qr-col {
  text-align: left;
}

.footer-qr {
  width: 104px;
  height: 104px;
  border-radius: 12px;
  background: #fff;
  padding: 6px;
  margin-bottom: 8px;
}

.footer-qr-col p {
  font-size: 0.8rem;
  color: #94a3b8;
  margin: 0;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  text-align: center;
  font-size: 0.84rem;
  color: #94a3b8;
}

/* Page header */
.page-header {
  background: linear-gradient(105deg, rgba(0, 26, 230, 0.92) 0%, rgba(0, 26, 230, 0.8) 100%),
    url("../assets/images/aed_devices.jpg") center/cover no-repeat;
  color: #fff;
  padding: 100px 0 80px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.6rem;
  margin: 0 0 12px;
}

.page-header p {
  margin: 0 auto;
  max-width: 640px;
  opacity: 0.9;
}

/* AHA hero with plaque */
.page-header-aha { text-align: left; padding: 86px 0 74px; }
.page-header-aha .container { max-width: 1160px; }
.aha-hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 48px;
}
.aha-hero-text { max-width: 620px; }
.aha-hero-text h1 { margin: 12px 0 16px; }
.aha-hero-text > p { margin: 0 0 22px; max-width: 100%; opacity: 0.95; }
.aha-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.aha-hero-badge::before {
  content: "✓";
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 18px; height: 18px;
  background: #00c853;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 900;
  color: #fff;
}
.aha-hero-points {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
}
.aha-hero-points li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  opacity: 0.95;
}
.aha-hero-points li::before {
  content: "●";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent, #7b61ff);
  font-size: 0.55rem;
  line-height: 1.6;
}
.aha-hero-plaque {
  margin: 0;
  position: relative;
}
.aha-hero-plaque img {
  width: auto;
  max-width: 100%;
  max-height: 260px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(0,0,0,0.25);
  background: #fff;
  display: block;
  margin: 0 auto;
}
.aha-hero-plaque figcaption {
  text-align: center;
  margin-top: 14px;
  color: rgba(255,255,255,0.92);
}
.aha-hero-plaque figcaption strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 4px;
  color: #fff;
}
.aha-hero-plaque figcaption span {
  display: block;
  font-size: 0.84rem;
  opacity: 0.85;
}

@media (max-width: 980px) {
  .aha-hero { grid-template-columns: 1fr; gap: 38px; text-align: center; }
  .aha-hero-text { max-width: 100%; }
  .aha-hero-points { grid-template-columns: repeat(2, auto); justify-content: center; text-align: left; }
  .aha-hero-plaque img { max-height: 220px; }
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 品牌宣传新增样式（首页大肆宣传） ===== */
/* 品牌荣誉墙 */
.honor-card {
  position: relative;
  overflow: hidden;
}

.honor-card .badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
}

.honor-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
}

/* 数说天一大数字 */
.stat-big-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  text-align: center;
  margin-bottom: 8px;
}

.stat-big {
  padding: 28px 16px;
  border-radius: var(--radius);
  background: var(--primary-soft);
  border: 1px solid #d7ddff;
}

.stat-big .num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-big .lbl {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* 学员口碑 */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testi-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.testi-quote {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text);
  flex: 1;
}

.testi-quote::before {
  content: "\201C";
  font-size: 2.6rem;
  color: var(--accent);
  font-weight: 800;
  display: block;
  line-height: 0.5;
  margin-bottom: 12px;
}

.testi-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.testi-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.testi-name {
  font-weight: 700;
}

.testi-role {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* 公益使命横幅 */
.mission-band {
  position: relative;
  color: #fff;
  background: linear-gradient(105deg, rgba(0, 26, 230, 0.92), rgba(166, 51, 217, 0.85)),
    url("../assets/images/field_rescue.jpg") center/cover no-repeat;
  padding: 72px 0;
  text-align: center;
}

.mission-band h2 {
  color: #fff;
}

.mission-band .section-subtitle {
  color: rgba(255, 255, 255, 0.92);
}

.mission-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 28px;
}

.mission-pill {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.95rem;
}

/* 终极CTA增强 */
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 8px;
}

.cta-qr {
  margin-top: 28px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.88rem;
}

.cta-qr img {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

/* 创始人聚焦 · 文全 */
.founder {
  background: linear-gradient(135deg, #0b1033 0%, #1a1056 55%, #2a1166 100%);
  color: #fff;
}
.founder-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 44px;
  align-items: center;
}
.founder-avatar {
  width: 300px;
  height: 300px;
  border-radius: 28px;
  background: radial-gradient(circle at 30% 22%, #4a2bb0, #120a3a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 130px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.founder-name {
  font-size: 2.2rem;
  font-weight: 800;
  margin: 0;
}
.founder-name small {
  display: block;
  font-size: 1.02rem;
  font-weight: 500;
  color: #c9bcff;
  margin-top: 8px;
}
.founder-titles {
  color: #ece9ff;
  font-size: 1.04rem;
  line-height: 1.9;
  margin: 16px 0 20px;
}
.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.founder-tag {
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.20);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
}
.founder-quote {
  border-left: 4px solid var(--accent);
  padding: 4px 0 4px 18px;
  color: #efeaff;
  font-style: italic;
  line-height: 1.85;
  margin: 0 0 22px;
  font-size: 1.06rem;
}
.founder-honors {
  color: #c9bcff;
  font-size: 0.95rem;
  margin-bottom: 24px;
}
.founder-honors b {
  color: #fff;
}
.founder-cta a {
  margin-right: 12px;
}

/* 天一急救急诊医学联盟 */
.alliance {
  background: var(--bg-soft);
}
.alliance-head {
  max-width: 860px;
  margin: 0 auto 12px;
  text-align: center;
}
.alliance-banner {
  width: 100%;
  border-radius: var(--radius);
  margin: 26px 0 36px;
  box-shadow: var(--shadow);
  object-fit: cover;
  max-height: 320px;
}
.alliance-intro {
  max-width: 880px;
  margin: -12px auto 28px;
  text-align: center;
  color: var(--text-secondary);
  line-height: 1.95;
  font-size: 1.02rem;
}
.alliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.alliance-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow);
}
.alliance-card .badge {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 4px;
}
.alliance-card h3 {
  margin: 12px 0 8px;
  font-size: 1.15rem;
}
.alliance-card p {
  color: var(--text-secondary);
  margin: 0;
}
.alliance-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.alliance-stat {
  text-align: center;
  padding: 18px 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.alliance-stat .num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.alliance-stat .lbl {
  color: #64748b;
  font-size: 0.9rem;
  margin-top: 4px;
}

/* 联盟详情子区块（宗旨 / 成员 / 核心业务 / 价值定位） */
.block-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin: 46px 0 16px;
}
.block-sub {
  text-align: center;
  color: var(--text-secondary);
  max-width: 760px;
  margin: -6px auto 26px;
}
.alliance-list {
  max-width: 880px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  counter-reset: al;
}
.alliance-list li {
  position: relative;
  padding: 15px 18px 15px 54px;
  margin-bottom: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  line-height: 1.85;
}
.alliance-list li::before {
  counter-increment: al;
  content: counter(al);
  position: absolute;
  left: 16px;
  top: 15px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.alliance-list li b { color: var(--text); }
.alliance-callout {
  max-width: 920px;
  margin: 8px auto 0;
  background: linear-gradient(135deg, var(--primary-soft), #fff);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 22px 26px;
  color: var(--text-secondary);
  line-height: 1.95;
}
.alliance-callout b { color: var(--text); }

/* ===== 资讯与社区板块（新闻平台 / 学术论坛 / 导师社群） ===== */
/* 新闻平台 */
.news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.news-tab {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
}

.news-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.news-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  transition: transform .2s ease, box-shadow .2s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .10);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: #64748b;
  margin-bottom: 10px;
}

.news-tag {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(0, 26, 230, .08);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.78rem;
}

.news-card h3 {
  font-size: 1.08rem;
  margin: 0 0 10px;
  line-height: 1.5;
  color: var(--text);
}

.news-card p {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.7;
  margin: 0 0 14px;
}

.news-src {
  margin-top: auto;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
}

/* 学术论坛 */
.forum-banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(105deg, rgba(0, 26, 230, .92), rgba(166, 51, 217, .85)),
    url("../assets/images/forum.jpg") center/cover no-repeat;
  color: #fff;
  padding: 46px 40px;
  margin-bottom: 32px;
}

.forum-banner .badge {
  background: rgba(255, 255, 255, .18);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .32);
}

.forum-banner h3 {
  font-size: 1.7rem;
  margin: 14px 0 12px;
  color: #fff;
}

.forum-banner p {
  opacity: .92;
  line-height: 1.85;
  max-width: 760px;
  margin: 0;
}

.forum-info {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 20px;
}

.forum-info div {
  font-size: .88rem;
  opacity: .9;
}

.forum-info strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 2px;
  opacity: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.feature-block .card-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.feature-block h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--text);
}

.feature-block p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.7;
  margin: 0;
}

/* 导师社群 */
.comm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.comm-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
  text-align: center;
}

.comm-card .comm-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
}

.comm-card h3 {
  font-size: 1.08rem;
  margin: 0 0 10px;
  color: var(--text);
}

.comm-card p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.7;
  margin: 0;
}

.join-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: step;
  margin-top: 8px;
}

.step-item {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 22px 22px;
  box-shadow: var(--shadow);
}

.step-item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 22px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.step-item h4 {
  margin: 8px 0 8px;
  font-size: 1.02rem;
  color: var(--text);
}

.step-item p {
  margin: 0;
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 880px) {
  .nav {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    transition: transform 0.3s;
    box-shadow: var(--shadow);
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav-dropdown {
    width: 100%;
  }
  .nav-drop-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav-drop-trigger::after {
    content: "+";
    font-size: 1rem;
    margin-left: 8px;
  }
  .nav-dropdown.open .nav-drop-trigger::after {
    content: "−";
  }
  .nav-drop-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--border);
    border-radius: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
    padding: 4px 0 4px 8px;
    margin: 4px 0 0 4px;
    min-width: auto;
    background: transparent;
  }
  .nav-dropdown.open .nav-drop-menu {
    display: block;
  }
  .nav-drop-menu::before,
  .nav-drop-menu::after {
    display: none;
  }
  .nav-drop-menu a {
    padding: 10px 14px;
  }

  .menu-toggle {
    display: block;
  }

  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 24px;
  }

  .section {
    padding: 56px 0;
  }

  .stat-big .num {
    font-size: 2.2rem;
  }

  .mission-pills {
    gap: 10px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    margin-left: 0 !important;
  }

  .founder-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .founder-avatar {
    width: 150px;
    height: 150px;
    font-size: 64px;
    margin: 0 auto;
  }

  .founder-tags,
  .founder-cta {
    justify-content: center;
  }

  .alliance-grid {
    grid-template-columns: 1fr;
  }

  .alliance-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-list {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .comm-grid {
    grid-template-columns: 1fr;
  }

  .join-steps {
    grid-template-columns: 1fr;
  }
}

/* ---------- 开课计划 · 报名 ---------- */
.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
}

.btn-enroll {
  white-space: nowrap;
}

.btn-disabled {
  background: #e2e8f0;
  color: #94a3b8;
  border-color: #e2e8f0;
  cursor: not-allowed;
}

.status-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
}

.status-open { background: #dcfce7; color: #166534; }
.status-full { background: #fee2e2; color: #991b1b; }
.status-closed { background: #f1f5f9; color: #64748b; }
.status-pending { background: #fef3c7; color: #92400e; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal.open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
}

.modal-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
  width: 100%;
  max-width: 460px;
  padding: 28px;
  animation: modalIn .25s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-card h3 {
  margin: 0 0 18px;
  font-size: 1.25rem;
}

.modal-body p {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--text);
}

.modal-hint {
  margin-top: 14px;
  padding: 12px;
  background: #f8fafc;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.6;
}

.modal-msg {
  margin-top: 12px;
  min-height: 22px;
  font-size: 0.88rem;
}

.modal-msg.err { color: #dc2626; }
.modal-msg.ok { color: #16a34a; }
.modal-msg.info { color: var(--primary); }

.mock-pay-box {
  margin-top: 14px;
  padding: 14px;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: 10px;
  text-align: center;
}
.mock-pay-amount { font-size: 0.95rem; color: #1e293b; margin: 0 0 10px; }
.mock-pay-amount strong { color: var(--primary); font-size: 1.15rem; }
.mock-pay-box .btn { width: 100%; margin-bottom: 8px; }
.mock-pay-tip { font-size: 0.78rem; color: #64748b; margin: 0; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 22px;
}

@media (max-width: 640px) {
  .modal-card {
    padding: 22px;
  }
  .modal-actions {
    flex-direction: column-reverse;
  }
  .modal-actions .btn {
    width: 100%;
  }
}

/* ===== 全局增强：整体美感 / 交互 / 转化（2026-08 升级） ===== */

/* 导航：电话图标 + 登录/注册圆角按钮 */
.nav-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 1.05rem;
  transition: background .2s, color .2s, transform .2s;
}
.nav-phone:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* 语言切换器 */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--bg-soft);
  border-radius: 999px;
  padding: 2px;
}
/* 下拉框形态（优先于旧按钮） */
.lang-switch .lang-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: none;
  background-color: transparent;
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 4px 24px 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='6' viewBox='0 0 8 6'%3E%3Cpath fill='%238a94a6' d='M0 0l4 6 4-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  background-size: 8px 6px;
  transition: color .2s, background-color .2s;
}
.lang-switch .lang-select:hover { color: var(--primary); }
.lang-switch .lang-select:focus { outline: none; color: var(--primary); }
.lang-switch .lang-select option {
  color: #2b2f38;
  background: #fff;
  font-size: 0.85rem;
}
/* 兼容旧按钮形态（极少数页面仍可能使用） */
.lang-switch button {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 6px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s, color .2s;
  line-height: 1;
}
.lang-switch button.active {
  background: var(--primary);
  color: #fff;
}
.lang-switch button:not(.active):hover {
  background: var(--primary-soft);
  color: var(--primary);
}
@media (max-width: 880px) {
  .lang-switch { order: 10; margin-top: 8px; }
}

.nav-btn {
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.82rem;
  white-space: nowrap;
  transition: transform .15s, box-shadow .15s, background .2s, color .2s;
}
.nav .nav-btn-login { background: var(--primary); color: #fff; }
.nav .nav-btn-login:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.nav .nav-btn-register { background: #fff; color: var(--primary); border: 2px solid var(--primary); }
.nav .nav-btn-register:hover { background: var(--primary-soft); color: var(--primary); transform: translateY(-2px); }
.nav-btn:active { transform: translateY(0) scale(0.97); }
.nav-comm { font-weight: 600; }

/* 右侧常驻悬浮咨询按钮 */
.float-consult {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 10px 30px rgba(0,26,230,.35);
  transition: transform .2s, box-shadow .2s;
}
.float-consult:hover { transform: translateY(-50%) scale(1.05); box-shadow: 0 14px 40px rgba(0,26,230,.45); color: #fff; }
.float-consult:active { transform: translateY(-50%) scale(0.97); }

/* 卡片 hover 上浮（统一交互反馈） */
.comm-card, .feature-block, .step-item, .img-card, .alliance-card,
.res-card, .dash-card, .stat-box {
  transition: transform .25s ease, box-shadow .25s ease, border-color .2s;
}
.comm-card:hover, .feature-block:hover, .step-item:hover, .img-card:hover,
.alliance-card:hover, .res-card:hover, .dash-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(0,0,0,.10);
}
.stat-box:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--primary); }
.team-card { transition: transform .25s ease, box-shadow .25s ease; }
.team-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(0,0,0,.12); }

/* 图注 */
.figure { margin: 0 0 6px; }
.figure img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.figcaption { margin-top: 10px; font-size: 0.86rem; color: var(--text-secondary); text-align: center; }

/* 段落层级 / 重点加粗 */
.lead-sub { font-size: 1.04rem; font-weight: 700; color: var(--text); margin: 20px 0 10px; }
.lead-sub:first-child { margin-top: 0; }
.text-strong { font-weight: 600; color: var(--text); }

/* 页脚：联系信息加粗 + 微信二维码 */
.footer-contact { margin: 0 0 10px; font-size: 0.92rem; color: #cbd5e1; }
.footer-contact strong { color: #fff; }
.footer-contact a { display: inline; margin: 0; color: #fff; font-weight: 600; }
.footer-contact a:hover { color: #fff; text-decoration: underline; }
.footer-qr { width: 110px; height: 110px; border-radius: 12px; background: #fff; padding: 6px; margin-bottom: 10px; }
.footer-col-qr p { font-size: 0.82rem; color: #94a3b8; margin: 0; }

/* 学员反馈轮播 */
.testi-carousel { position: relative; }
.testi-viewport { overflow: hidden; }
.testi-track { display: flex; gap: 24px; transition: transform .5s ease; }
.testi-slide { flex: 0 0 calc(33.333% - 16px); }
.testi-controls { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 26px; }
.testi-arrow {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border);
  background: #fff; color: var(--primary); font-size: 1.2rem; cursor: pointer;
  display: grid; place-items: center; transition: all .2s;
}
.testi-arrow:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.testi-dots { display: flex; gap: 8px; }
.testi-dot { width: 10px; height: 10px; border-radius: 999px; border: none; background: var(--border); cursor: pointer; padding: 0; transition: background .2s, width .2s; }
.testi-dot.active { background: var(--primary); width: 26px; }
.testi-note { text-align: center; margin-top: 18px; font-size: 0.92rem; color: #64748b; }
.testi-note b { color: var(--accent); }

/* 分中心折叠 */
.city-group {
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 14px; background: #fff; box-shadow: var(--shadow); overflow: hidden;
}
.city-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 18px 22px; cursor: pointer; font-weight: 700; font-size: 1.05rem; user-select: none;
}
.city-head:hover { background: var(--bg-soft); }
.city-head .city-title-group { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.city-head .city-count { font-size: .85rem; font-weight: 500; color: var(--text-secondary); }
.city-head .city-toggle { color: var(--primary); font-size: 1.4rem; line-height: 1; transition: transform .25s; flex-shrink: 0; }
.city-group.open .city-toggle { transform: rotate(45deg); }
.city-body { display: none; padding: 0 22px 20px; }
.city-group.open .city-body { display: block; }
.mentor-names { display: flex; flex-wrap: wrap; gap: 10px; }
.mentor-chip {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; font-size: .88rem; color: var(--text);
}

/* 专家卡片层级强化 */
.expert-card { min-height: 430px; max-height: 430px; overflow: hidden; }
.expert-card .role-main {
  font-weight: 700; color: var(--accent); font-size: .92rem; line-height: 1.5;
  min-height: 2.8em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.expert-card .role-sub {
  font-size: .8rem; color: var(--text-secondary); margin: 4px 0 0; line-height: 1.5;
  min-height: 2.4em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.expert-card p {
  font-size: .86rem; line-height: 1.7; margin: 14px 0 0;
  display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden;
}
.expert-card .avatar {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; margin: 0 auto 16px;
}
.expert-card .avatar-placeholder {
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
  color: var(--primary);
  border: 2px solid var(--border);
}

/* 预约转化模块 + 简易表单 */
.consult-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; text-align: left; }
.consult-value { color: rgba(255,255,255,.92); font-size: 1.04rem; line-height: 1.85; margin: 0 0 18px; max-width: 460px; }
.consult-value b { color: #fff; }
.consult-form {
  background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: 0 20px 60px rgba(0,0,0,.18);
}
.consult-form h3 { margin: 0 0 4px; }
.consult-form .form-row { display: flex; gap: 14px; }
.consult-form .form-row .form-group { flex: 1; }
.consult-msg { min-height: 20px; font-size: .88rem; margin-top: 10px; }
.consult-msg.ok { color: #16a34a; }
.consult-msg.err { color: #dc2626; }

/* 筛选器选中态强化 + 导出按钮 */
.filter-group select.active { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.filters .filter-actions { display: flex; gap: 12px; align-items: flex-end; margin-left: auto; }
.btn-export { background: #fff; color: var(--primary); border: 2px solid var(--primary); }
.btn-export:hover { background: var(--primary); color: #fff; }

/* 按钮点击反馈（全局） */
.btn:active { transform: translateY(0) scale(0.97); }

/* 加大板块呼吸感 */
.section { padding: 88px 0; }
.page-header { padding: 110px 0 86px; }

/* 移动端适配补充 */
@media (max-width: 880px) {
  .float-consult { right: 12px; top: auto; bottom: 18px; transform: none; padding: 12px 15px; font-size: .82rem; }
  .float-consult:hover { transform: scale(1.05); }
  .float-consult:active { transform: scale(0.97); }
  .testi-slide { flex: 0 0 100%; }
  .consult-split { grid-template-columns: 1fr; gap: 28px; }
  .consult-form .form-row { flex-direction: column; gap: 0; }
  .city-head { padding: 16px 18px; }
  .filters { flex-direction: column; align-items: stretch; }
  .filters .filter-actions { margin-left: 0; }
}
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-areas:
      "brand contact qr"
      "about training academics";
    gap: 32px 28px;
  }
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "about"
      "training"
      "academics"
      "contact"
      "qr";
    gap: 28px;
  }
  .footer-qr-col { text-align: left; }
  .footer-bottom { text-align: left; }
}

/* 课程速览卡片：核心信息优先，次要参数缩小 */
.course-audience { font-size: 0.94rem; color: var(--text); margin: 10px 0 6px; line-height: 1.6; }
.course-sub { font-size: 0.85rem; color: var(--text-secondary); margin: 0 0 6px; line-height: 1.6; }
.course-fee { font-size: 0.98rem; font-weight: 600; color: var(--accent); margin: 8px 0 0; line-height: 1.5; }
.course-fee strong { color: var(--text); font-weight: 600; }

/* 课程类型速览：价格突出 + 卡片对齐 */
.course-type-grid { align-items: stretch; }
.course-card--price {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.course-card--price:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
}
.course-card--price h3 {
  font-size: 1.15rem;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.course-card--price .course-price-block {
  margin-top: auto;
  padding: 16px;
  background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 14px;
}
.course-card--price .course-price-main {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.course-card--price .course-price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}
.course-card--price .course-price-num {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.course-card--price .course-price-unit {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.course-card--price .course-price-original {
  font-size: 0.85rem;
  color: #94a3b8;
  text-decoration: line-through;
  margin-left: 6px;
  font-weight: 500;
}
.course-card--price .course-price-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.course-card--price .course-price-chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: #e0e7ff;
  color: #3730a3;
}
.course-card--price .course-price-chip--hot {
  background: #fee2e2;
  color: #b91c1c;
}
.course-card--price .course-price-chip--solid {
  background: var(--accent);
  color: #fff;
}
.course-card--price .meta {
  margin-top: 0;
  padding-top: 0;
}

/* AI 页：行业痛点列表 + 科创殊荣要点 */
.pain-list { list-style: none; padding: 0; margin: 18px 0; counter-reset: pain; }
.pain-list li {
  position: relative; padding: 10px 14px 10px 46px; margin-bottom: 10px;
  background: var(--bg-soft); border-radius: 10px; font-size: .92rem; line-height: 1.6;
}
.pain-list li::before {
  counter-increment: pain; content: counter(pain);
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700;
  display: grid; place-items: center; font-size: .8rem;
}
.award-list { list-style: none; padding: 0; margin: 0; }
.award-list li { padding: 12px 0 12px 30px; position: relative; border-bottom: 1px solid var(--border); line-height: 1.7; }
.award-list li:last-child { border-bottom: none; }
.award-list li::before { content: "🏆"; position: absolute; left: 0; top: 12px; }

/* 社群公约：标题层级卡片 */
.charter { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 860px; margin: 0 auto; }
.charter-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .2s;
}
.charter-item:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(0,0,0,.10); border-color: var(--primary); }
.charter-item h4 { margin: 0 0 8px; font-size: 1.05rem; color: var(--primary); }
.charter-item p { margin: 0; font-size: .92rem; color: var(--text-secondary); line-height: 1.7; }
@media (max-width: 640px) { .charter { grid-template-columns: 1fr; } }

/* 首页转化区：渐变背景 + 身份标签强化 */
.consult-section { background: linear-gradient(105deg, rgba(0,26,230,.92) 0%, rgba(166,51,217,.85) 100%); }
.testi-role {
  display: inline-block; margin-top: 2px; padding: 3px 10px;
  border-radius: 999px; background: var(--primary-soft);
  color: var(--primary); font-size: .78rem; font-weight: 600;
}

/* ===== 2025 AHA 指南更新 · 说明条 & 课程徽标 ===== */
.guide2025-bar{
  display:flex; align-items:center; gap:10px;
  background:linear-gradient(90deg, rgba(0,26,230,.06), rgba(166,51,217,.06));
  border-bottom:1px solid var(--border);
  padding:11px 22px; color:#334155; font-size:.92rem; line-height:1.5;
}
.guide2025-bar .guide2025-ico{font-size:1.15rem; line-height:1; flex:none;}
.guide2025-bar .guide2025-txt{margin:0;}
.guide2025-bar strong{color:var(--primary);}
.badge-2025{
  display:inline-block; margin-left:8px; vertical-align:middle;
  font-size:.7rem; font-weight:700; letter-spacing:.03em; color:#fff;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  padding:2px 9px; border-radius:999px;
}
@media (max-width:640px){
  .guide2025-bar{font-size:.82rem; padding:9px 14px; gap:8px;}
}

/* ===== 培训实拍画廊 ===== */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.photo-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 3 / 2;
  background: var(--bg-soft);
}
.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.photo-item:hover img { transform: scale(1.05); }
@media (max-width: 880px) {
  .photo-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .photo-gallery { grid-template-columns: 1fr; }
}
.dispatch-gallery { margin-top: 8px; }
.gallery-heading {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 28px;
  color: var(--text);
}

/* AI+ 赛道指挥调度系统 */
.dispatch-media {
  flex: 1 1 460px;
  min-width: 300px;
  height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-soft);
}
.dispatch-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
@media (max-width: 720px) {
  .dispatch-media { height: 280px; }
}

/* 赛事医疗急救调度系统 · 设计方案 */
.dd-section { background: var(--bg-soft); }
.dd-block { margin-bottom: 64px; }
.dd-block:last-child { margin-bottom: 0; }
.dd-overview {
  display: flex; flex-wrap: wrap; gap: 18px 32px; align-items: center;
  background: linear-gradient(135deg, var(--primary-soft), #f8f5ff);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 32px; margin-bottom: 8px;
}
.dd-overview .dd-overview-text { flex: 1 1 340px; }
.dd-overview .dd-overview-text p { margin: 0; color: var(--text-secondary); }
.dd-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.dd-chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; border: 1px solid var(--primary); color: var(--primary);
  border-radius: 999px; padding: 8px 16px; font-weight: 600; font-size: 0.92rem;
  box-shadow: var(--shadow);
}
.dd-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.dd-sub {
  font-size: 1.5rem; font-weight: 700; color: var(--text);
  margin: 0 0 10px; display: flex; align-items: center; gap: 10px;
}
.dd-sub::before {
  content: ""; width: 6px; height: 26px; border-radius: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.dd-sub-note { color: var(--text-secondary); margin: 0 0 28px; }
.dd-arch { display: flex; flex-direction: column; gap: 4px; margin-bottom: 28px; }
.dd-layer {
  display: flex; align-items: center; gap: 18px;
  border-radius: var(--radius); padding: 16px 22px;
  border: 1px solid var(--border); box-shadow: var(--shadow); background: #fff;
}
.dd-layer .dd-layer-tag {
  flex-shrink: 0; width: auto; min-width: 132px; white-space: nowrap; font-weight: 700; color: #fff;
  border-radius: 8px; padding: 9px 14px; text-align: center; font-size: 0.9rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.dd-layer:nth-child(3) .dd-layer-tag { background: linear-gradient(135deg, #2b3a8f, var(--primary-light)); }
.dd-layer:nth-child(5) .dd-layer-tag { background: linear-gradient(135deg, var(--primary), var(--accent)); }

/* 进入调度系统 CTA */
.dd-cta-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin: 6px 0 4px; }
.btn-launch {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #2e7dff, #19c37d); color: #fff;
  font-weight: 700; font-size: 1rem; text-decoration: none;
  padding: 13px 26px; border-radius: 12px; box-shadow: 0 8px 24px rgba(46,125,255,0.35);
  transition: transform .15s ease, filter .15s ease;
}
.btn-launch:hover { transform: translateY(-2px); filter: brightness(1.08); }
.dd-cta-note { color: var(--text-soft); font-size: 0.85rem; }
.dd-layer:nth-child(7) .dd-layer-tag { background: linear-gradient(135deg, #6d28d9, var(--accent)); }
.dd-layer:nth-child(9) .dd-layer-tag { background: linear-gradient(135deg, var(--accent), #7c3aed); }
.dd-layer .dd-layer-body { color: var(--text-secondary); font-size: 0.95rem; }
.dd-arrow { text-align: center; color: var(--primary); font-size: 1.1rem; line-height: 1; }
.dd-scenarios { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 6px; }
.dd-scenario {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.dd-scenario h4 { margin: 0 0 8px; color: var(--primary); font-size: 1.1rem; }
.dd-scenario p { margin: 0; color: var(--text-secondary); font-size: 0.92rem; }
.dd-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dd-col { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.dd-col h4 { margin: 0 0 16px; color: var(--text); font-size: 1.05rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dd-col h4 .tag { font-size: 0.72rem; font-weight: 700; color: #fff; background: var(--primary); border-radius: 999px; padding: 4px 11px; }
.dd-col ul { list-style: none; padding: 0; margin: 0; }
.dd-col li { padding: 11px 0; border-bottom: 1px dashed var(--border); color: var(--text-secondary); font-size: 0.92rem; }
.dd-col li:last-child { border-bottom: none; }
.dd-col li b { color: var(--text); }
.dd-feature .card { border-top: 3px solid var(--accent); }
.dd-feature .card-icon { background: var(--accent-light); color: var(--accent); }
.dd-tech { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.dd-tech .t { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.dd-tech .t .k { font-size: 0.76rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }
.dd-tech .t .v { margin-top: 6px; font-weight: 700; color: var(--text); }
.dd-tech .t .d { margin-top: 4px; font-size: 0.88rem; color: var(--text-secondary); }
@media (max-width: 820px) {
  .dd-scenarios, .dd-cols { grid-template-columns: 1fr; }
  .dd-layer { flex-direction: column; align-items: flex-start; gap: 10px; }
  .dd-layer .dd-layer-tag { width: auto; }
}

/* 联合开发课程卡片 */
.joint-course { position: relative; }
.joint-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #e74c3c);
  padding: 4px 11px;
  border-radius: 999px;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 12px rgba(231,76,60,.25);
}
.joint-course .btn-sm { margin-top: 12px; }

/* ===== 论坛注册卡（forum register cards） ===== */
.forum-register-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 32px;
}
.forum-register-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.frc-poster {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.frc-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.frc-headline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.frc-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}
.frc-date {
  font-size: .92rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.frc-title {
  font-size: 1.25rem;
  margin: 0 0 6px;
  color: var(--text);
}
.frc-subtitle {
  color: var(--text-secondary);
  font-size: .9rem;
  margin-bottom: 18px;
}
.frc-block {
  margin-bottom: 18px;
}
.frc-block h4 {
  font-size: .95rem;
  margin: 0 0 10px;
  color: var(--text);
  border-left: 3px solid var(--primary);
  padding-left: 10px;
  line-height: 1.3;
}
.frc-block h4 .en {
  font-size: .78rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-left: 8px;
}
.frc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.frc-list li {
  font-size: .9rem;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  line-height: 1.55;
  color: var(--text);
}
.frc-list li:last-child {
  border-bottom: none;
}
.frc-list li span {
  display: inline-block;
  min-width: 76px;
  color: var(--text-secondary);
  font-size: .84rem;
  margin-right: 6px;
}
.frc-action {
  margin-top: auto;
  padding-top: 16px;
}
.frc-note {
  font-size: .82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 600px) {
  .forum-register-grid { grid-template-columns: 1fr; gap: 20px; }
  .frc-body { padding: 18px; }
}

/* ===== 素材相册（material gallery） ===== */
.material-gallery { padding: 40px 0; border-top: 1px solid var(--border); }
.material-gallery .mg-title {
  font-size: 1.25rem; font-weight: 700; margin: 0 0 6px; color: var(--text);
}
.material-gallery .mg-sub { color: var(--text-secondary); font-size: .9rem; margin: 0 0 18px; }
.mat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px;
}
.mat-grid figure {
  margin: 0; padding: 0;
}
.mat-grid img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px;
  border: 1px solid var(--border); background: #f1f5f9;
  transition: transform .25s ease, box-shadow .25s ease; cursor: zoom-in;
}
.mat-grid img:hover, .mat-grid figure:hover img {
  transform: translateY(-3px); box-shadow: 0 12px 26px rgba(15,23,42,.14);
}
.mat-grid figcaption {
  margin-top: 8px; font-size: .85rem; color: var(--text-secondary);
  text-align: center; line-height: 1.35;
}
@media (max-width: 600px) {
  .mat-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
  .mat-grid figcaption { font-size: .78rem; }
}

/* ===== 站内搜索 ===== */
/* 导航栏搜索入口 */
.nav-search {
  position: relative;
  display: inline-flex;
  align-items: center;
  align-self: center;
}
.nav-search input {
  width: 140px;
  height: 34px;
  padding: 0 12px 0 34px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text);
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s, width .2s;
}
.nav-search input::placeholder { color: var(--text-secondary); }
.nav-search input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px var(--primary-soft);
  width: 170px;
}
.nav-search-icon {
  position: absolute;
  left: 11px;
  width: 15px; height: 15px;
  color: var(--text-secondary);
  pointer-events: none;
}

/* 搜索结果页 */
.search-page { padding: 64px 0 80px; }
.search-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin: 0 0 8px;
}
.search-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin: 0 auto 32px;
  max-width: 640px;
}
.search-bar {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 6px 6px 6px 18px;
  box-shadow: var(--shadow);
  transition: border-color .2s, box-shadow .2s;
}
.search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.search-bar-icon {
  width: 20px; height: 20px;
  color: var(--text-secondary);
  flex: none;
}
.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1rem;
  padding: 10px 14px;
  color: var(--text);
}
.search-bar-btn {
  flex: none;
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 11px 26px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.search-bar-btn:hover { background: var(--primary-light); transform: translateY(-1px); }
.search-count {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 24px 0 8px;
}
.search-results {
  max-width: 760px;
  margin: 16px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.search-result {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
.search-result:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.search-result-path {
  display: block;
  font-size: 0.78rem;
  color: var(--primary);
  letter-spacing: .3px;
  margin-bottom: 4px;
}
.search-result-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text);
}
.search-result-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 6px;
}
.search-result-snippet {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.search-result mark {
  background: #fff3bf;
  color: inherit;
  padding: 0 2px;
  border-radius: 3px;
}
.search-empty {
  max-width: 640px;
  margin: 28px auto 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

@media (max-width: 1080px) {
  .nav-search input { width: 120px; }
  .nav-search input:focus { width: 140px; }
}
@media (max-width: 960px) {
  .nav-search input { width: 120px; }
  .nav-search input:focus { width: 140px; }
}
@media (max-width: 880px) {
  .nav-search { width: 100%; }
  .nav-search input,
  .nav-search input:focus { width: 100%; }
  .nav-search input { padding-left: 38px; }
}

/* ============ 证书查询 / 学习证明 通用 ============ */
.cert-page, .lp-page { padding: 56px 0 72px; }
.cert-title, .lp-title {
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--heading);
}
.cert-subtitle, .lp-subtitle {
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 0 28px;
  font-size: 1rem;
  line-height: 1.7;
}
.cert-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.05);
  max-width: 760px;
}
.cert-form .form-group { flex: 1 1 220px; margin: 0; }
.cert-form .btn { margin-bottom: 2px; }
.cert-hint { flex-basis: 100%; margin: 2px 0 0; color: #64748b; font-size: 0.85rem; }
.cert-note { color: var(--accent); font-size: 0.9rem; margin-top: 18px; }
.cert-status {
  max-width: 760px;
  margin: 20px 0 0;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.95rem;
}
.cert-status.info { background: #eef2ff; color: #3730a3; }
.cert-status.error { background: #fef2f2; color: #b91c1c; }
.cert-status.success { background: #ecfdf5; color: #047857; }

/* 证书卡片（可打印） */
.cert-card {
  max-width: 760px;
  margin: 28px 0 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}
.cert-card-head {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 26px 30px;
  text-align: center;
}
.cert-org { font-size: 0.95rem; opacity: 0.92; letter-spacing: 1px; }
.cert-doc-title { font-size: 1.6rem; font-weight: 800; margin-top: 6px; }
.cert-body { padding: 26px 30px; }
.cert-row { display: flex; padding: 11px 0; border-bottom: 1px dashed #e9edf5; }
.cert-row:last-child { border-bottom: 0; }
.cert-label { flex: 0 0 110px; color: #64748b; font-size: 0.92rem; }
.cert-value { flex: 1; color: var(--heading); font-weight: 600; }
.cert-no { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.cert-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  background: #e2e8f0;
  color: #475569;
}
.cert-badge.valid { background: #dcfce7; color: #15803d; }
.cert-badge.expired { background: #fee2e2; color: #b91c1c; }
.cert-badge.revoked { background: #e5e7eb; color: #6b7280; }
.cert-foot { padding: 0 30px 26px; }
.cert-verify { color: #64748b; font-size: 0.85rem; margin: 0 0 16px; line-height: 1.6; }
.cert-foot .btn { width: 100%; }

/* ============ 学习证明 ============ */
.lp-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: start;
}
.lp-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.05);
}
.lp-form .form-row { display: flex; gap: 14px; }
.lp-form .form-row .form-group { flex: 1; }
.lp-hint { margin: 14px 0 0; color: #64748b; font-size: 0.85rem; line-height: 1.6; }
.lp-preview-wrap { position: sticky; top: 90px; }
.lp-doc {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px 44px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.1);
  min-height: 520px;
}
.lp-doc-head { text-align: center; border-bottom: 2px solid var(--primary); padding-bottom: 18px; margin-bottom: 22px; }
.lp-org { font-size: 0.95rem; color: #475569; letter-spacing: 1px; }
.lp-doc-title { font-size: 1.7rem; font-weight: 800; margin-top: 8px; color: var(--heading); }
.lp-para { font-size: 1.02rem; line-height: 2; color: #1e293b; margin: 0 0 22px; }
.lp-name { color: var(--primary); }
.lp-table { width: 100%; border-collapse: collapse; }
.lp-table td { padding: 11px 8px; border-bottom: 1px solid #eef2f7; vertical-align: top; }
.lp-k { width: 110px; color: #64748b; font-size: 0.92rem; }
.lp-v { color: var(--heading); font-weight: 600; }
.lp-doc-foot { margin-top: 40px; text-align: right; }
.lp-seal {
  display: inline-block;
  border: 2px dashed var(--accent);
  color: var(--accent);
  border-radius: 50%;
  width: 96px; height: 96px;
  line-height: 92px;
  text-align: center;
  font-size: 0.8rem;
  transform: rotate(-8deg);
}
.lp-actions { display: flex; gap: 12px; margin-top: 18px; }
.lp-actions .btn { flex: 1; }

@media (max-width: 960px) {
  .lp-layout { grid-template-columns: 1fr; }
  .lp-preview-wrap { position: static; }
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  z-index: 9999;
  background: var(--primary);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  transition: top .2s;
}
.skip-link:focus {
  top: 8px;
}

/* Back to top */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Focus visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== 导航：城市加盟入口（醒目） ===== */
.nav-join-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  color: #fff !important;
  background: linear-gradient(135deg, #e11d48, #a633d9);
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-join-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
}
.nav-join-link.is-active {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 1px;
}
@media (max-width: 980px) {
  .nav-join-link {
    padding: 6px 12px;
    font-size: .92rem;
  }
}

/* ===== AHA 急救全课程收费标准（参考收费海报风格） ===== */
.fee-section-title {
  text-align: center;
  margin-bottom: 46px;
}
.fee-section-title h2 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--primary);
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.fee-ecg {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
}
.fee-ecg svg {
  width: 70px;
  height: 26px;
  display: block;
}

.fee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fee-grid--2 { grid-template-columns: repeat(2, 1fr); }
.fee-grid--3 { grid-template-columns: repeat(3, 1fr); }

.fee-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(15, 23, 42, .08);
  overflow: hidden;
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
}
.fee-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(15, 23, 42, .12);
}

.fee-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  background: linear-gradient(135deg, #0017e6 0%, #3b82f6 100%);
  color: #fff;
}
.fee-label {
  background: #fff;
  color: var(--primary);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 5px 12px;
  border-radius: 8px;
  flex: none;
}
.fee-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
}

.fee-card-body {
  padding: 24px;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}

.fee-price-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 20px;
}
.fee-price-col {
  padding: 18px 10px;
  text-align: center;
  border-right: 1px solid #e2e8f0;
  background: #f8fafc;
}
.fee-price-col:last-child { border-right: none; }
.fee-price-col .fee-price-label {
  font-size: .82rem;
  color: #64748b;
  margin-bottom: 8px;
  line-height: 1.3;
}
.fee-price-col .fee-price-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.fee-price-col .fee-price-unit {
  font-size: .8rem;
  color: #64748b;
  font-weight: 500;
  margin-left: 2px;
  display: inline-block;
  white-space: nowrap;
}
.fee-price-col--original .fee-price-num { color: #94a3b8; text-decoration: line-through; }
.fee-price-col--early .fee-price-num { color: #ef4444; }
.fee-price-col--student .fee-price-num { color: #3b82f6; }

.fee-fixed {
  text-align: center;
  padding: 18px 10px 22px;
}
.fee-fixed-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #64748b;
  font-size: .9rem;
  margin-bottom: 10px;
}
.fee-fixed-label::before,
.fee-fixed-label::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  background: #cbd5e1;
}
.fee-fixed-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.fee-fixed-unit {
  font-size: .9rem;
  color: #64748b;
  font-weight: 500;
  margin-left: 2px;
  display: inline-block;
  white-space: nowrap;
}

.fee-rules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: auto;
}
.fee-rule {
  font-size: .86rem;
  color: #334155;
  background: #f8fafc;
  border-radius: 12px;
  padding: 14px 16px;
}
.fee-rule-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.3;
}
.fee-rule ul {
  margin: 0;
  padding-left: 16px;
  color: #475569;
  line-height: 1.75;
}

.fee-notice {
  margin-top: 30px;
  text-align: center;
  color: #dc2626;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.fee-slogan {
  margin-top: 14px;
  text-align: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.fee-card--single .fee-card-header {
  background: linear-gradient(135deg, #0f172a 0%, #334155 100%);
}
.fee-card--single .fee-fixed-num { color: #f59e0b; }

@media (max-width: 1100px) {
  .fee-grid,
  .fee-grid--2,
  .fee-grid--3 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .fee-price-row { grid-template-columns: 1fr; }
  .fee-price-col {
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  .fee-price-col:last-child { border-bottom: none; }
  .fee-rules { grid-template-columns: 1fr; }
  .fee-card-body { padding: 18px; }
}

/* ============ 打印样式 ============ */
@media print {
  body { background: #fff; }
  .header, .footer, .float-consult, .no-print, .nav-search, .lang-switch,
  .menu-toggle, .cert-form, .cert-status, .cert-note, .lp-form, .lp-actions { display: none !important; }
  .cert-page, .lp-page { padding: 0; }
  .cert-card, .lp-doc {
    box-shadow: none;
    border: 1px solid #cbd5e1;
    margin: 0;
    max-width: 100%;
  }
  .lp-preview-wrap { position: static; }
  @page { size: A4; margin: 16mm; }
}

/* ===== RTL 支持（仅阿拉伯语 ar 激活，不影响其他语言）===== */
html[dir="rtl"], html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] body { text-align: right; }
html[dir="rtl"] .lang-switch,
html[dir="rtl"] .lang-switch * { direction: ltr; text-align: left; }
html[dir="rtl"] input,
html[dir="rtl"] textarea,
html[dir="rtl"] select { direction: ltr; text-align: left; }
html[dir="rtl"] [dir="ltr"] { direction: ltr; }