/* 创始人权威人物档案页 · 古月今心 */
:root {
  --lf-orange: #ff8900;
  --lf-orange-dark: #e67a00;
  --lf-orange-deep: #c96500;
  --lf-orange-soft: #fff4e8;
  --lf-orange-glow: rgba(255, 137, 0, 0.35);
  --lf-navy: #1a2544;
  --lf-gold: #ff8900;
  --lf-gold-soft: rgba(255, 137, 0, 0.12);
  --lf-accent: #e67a00;
  --lf-border: rgba(255, 255, 255, 0.22);
  --lf-text: #4a5568;
  --lf-max: 1140px;
}

body.lf-founder-page { background: #fafbfd; }

/* ─── Hero：橙色底 + 白色档案卡 ─── */
body.lf-founder-page .lf-hero {
  position: relative;
  padding: 40px 0 48px;
  overflow: hidden;
  background-color: #ff8900;
  background-image: linear-gradient(118deg, #ffb347 0%, #ff8900 40%, #f57c00 78%, #e65100 100%);
  color: #fff;
}

.lf-hero-surface {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(255, 255, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 60% at 0% 100%, rgba(0, 0, 0, 0.06), transparent 50%);
}

.lf-hero-container {
  position: relative;
  z-index: 1;
  max-width: var(--lf-max);
  margin: 0 auto;
  padding: 0 32px;
}

.lf-hero-panel {
  background: #fff;
  border-radius: 20px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(140, 70, 0, 0.22);
  color: var(--lf-navy);
}

.lf-hero-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
  align-items: stretch;
  min-height: 520px;
}

.lf-hero-main {
  min-width: 0;
  padding: 36px 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lf-hero-scene {
  margin: 0;
  position: relative;
  min-height: 100%;
  background: linear-gradient(180deg, #fff4e8 0%, #ffe8cc 100%);
}
.lf-hero-scene::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0) 18%);
  pointer-events: none;
  z-index: 1;
}
.lf-hero-scene img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  object-position: 52% 28%;
  display: block;
}
.lf-hero-scene figcaption {
  position: absolute;
  left: 20px;
  bottom: 18px;
  z-index: 2;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(26, 37, 68, 0.72);
  backdrop-filter: blur(6px);
}

.lf-hero-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lf-orange-dark);
  font-weight: 700;
  margin-bottom: 12px;
  padding: 4px 12px;
  background: var(--lf-orange-soft);
  border-radius: 999px;
  border: 1px solid #f5dcc0;
}

.lf-hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 10px;
  color: var(--lf-navy);
}

.lf-hero-role {
  font-size: 17px;
  font-weight: 700;
  color: var(--lf-orange-dark);
  line-height: 1.5;
  margin-bottom: 4px;
}

.lf-hero-subrole {
  font-size: 15px;
  font-weight: 600;
  color: #5a6482;
  margin-bottom: 14px;
}

.lf-hero-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--lf-text);
  margin: 0 0 22px;
  padding-top: 18px;
  border-top: 1px solid #f0e6dc;
}

.lf-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.lf-hero-tags--compact { margin-bottom: 18px; }
.lf-hero-tags span {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: #fff4e8;
  border: 1px solid #f5dcc0;
  color: #92600a;
}

.lf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.lf-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: linear-gradient(135deg, #ff8900, #e67a00);
  color: #fff;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(255, 137, 0, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.lf-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 137, 0, 0.42);
}

.lf-btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1.5px solid #e2d5c4;
  color: var(--lf-navy);
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  background: #fff;
}
.lf-btn-outline-dark:hover {
  border-color: var(--lf-orange);
  color: var(--lf-orange-dark);
}

.lf-hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.lf-hero-metrics--inline {
  margin: 0;
  padding: 20px 32px 28px;
  border-top: 1px solid #f0e6dc;
  background: linear-gradient(180deg, #fff 0%, #fffaf5 100%);
}

.lf-metric {
  background: linear-gradient(180deg, #fffaf5 0%, #fff4e8 100%);
  border-radius: 12px;
  padding: 18px 16px;
  text-align: center;
  border: 1px solid #f5dcc0;
  min-height: 88px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.lf-metric strong {
  display: block;
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 900;
  color: var(--lf-orange);
  line-height: 1.2;
  margin-bottom: 6px;
}
.lf-metric span {
  font-size: 13px;
  color: #5a6482;
  line-height: 1.55;
  word-break: keep-all;
}

/* 旧 stats 类保留兼容 */
.lf-stats { display: none; }

.lf-main { max-width: var(--lf-max); margin: 0 auto; padding: 0 32px 64px; }
.lf-section { padding-top: 56px; }
.lf-section-head { margin-bottom: 28px; }
.lf-section-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lf-orange);
  font-weight: 700;
  margin-bottom: 8px;
}
.lf-section-head h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 900;
  color: var(--lf-navy);
  margin: 0 0 10px;
  line-height: 1.35;
}
.lf-section-head p {
  font-size: 15px;
  color: var(--lf-text);
  line-height: 1.75;
  max-width: 720px;
  margin: 0;
}

.lf-intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}
.lf-prose {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 32px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--lf-text);
}
.lf-prose p + p { margin-top: 16px; }

/* 演讲培训经验 · 科技数字面板 */
.lf-exp-counter {
  position: relative;
  margin-top: 28px;
  padding: 32px 36px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(145deg, #0c1222 0%, #1a2544 48%, #1e3058 100%);
  border: 1px solid rgba(255, 137, 0, 0.45);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 16px 48px rgba(26, 37, 68, 0.28),
    0 0 60px rgba(255, 137, 0, 0.12);
}
.lf-exp-counter-fx {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.lf-exp-grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 137, 0, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 137, 0, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 20%, transparent 100%);
}
.lf-exp-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 180, 80, 0.9), transparent);
  box-shadow: 0 0 16px rgba(255, 137, 0, 0.8);
  animation: lf-exp-scan 4s ease-in-out infinite;
}
@keyframes lf-exp-scan {
  0%, 100% { top: -4px; opacity: 0; }
  8% { opacity: 1; }
  50% { top: calc(100% + 4px); opacity: 1; }
  58%, 100% { opacity: 0; }
}
.lf-exp-counter-body {
  position: relative;
  z-index: 1;
  text-align: center;
}
.lf-exp-counter-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: #ffb347;
  background: rgba(255, 137, 0, 0.12);
  border: 1px solid rgba(255, 137, 0, 0.35);
  border-radius: 999px;
  margin-bottom: 12px;
}
.lf-exp-counter-tag i {
  font-size: 9px;
  animation: lf-exp-pulse 2s ease-in-out infinite;
}
@keyframes lf-exp-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.lf-exp-counter-label {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.2em;
}
.lf-exp-counter-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  line-height: 1;
  margin-bottom: 14px;
}
.lf-exp-counter-num {
  font-family: "DM Sans", "Segoe UI", sans-serif;
  font-size: clamp(4rem, 10vw, 5.5rem);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffe082 0%, #ff8900 45%, #ff6d00 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 24px rgba(255, 137, 0, 0.55));
  animation: lf-exp-glow 3s ease-in-out infinite;
}
@keyframes lf-exp-glow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(255, 137, 0, 0.45)); }
  50% { filter: drop-shadow(0 0 36px rgba(255, 180, 80, 0.75)); }
}
.lf-exp-counter-unit {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  color: #ff8900;
  text-shadow: 0 0 20px rgba(255, 137, 0, 0.4);
}
.lf-exp-counter-note {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.06em;
}

.lf-fact-card {
  background: linear-gradient(145deg, #ff8900 0%, #e67a00 100%);
  color: #fff;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 12px 32px rgba(255, 137, 0, 0.22);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.lf-fact-card h3 {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
  margin: 0 0 18px;
  font-weight: 700;
}
.lf-fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.lf-fact-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--lf-border);
  font-size: 14px;
  line-height: 1.65;
}
.lf-fact-list li:last-child { border-bottom: none; }
.lf-fact-list strong { display: block; color: #fff; font-size: 15px; margin-bottom: 4px; }

.lf-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.lf-time-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 20px 18px;
  position: relative;
}
.lf-time-card::before {
  content: '';
  position: absolute;
  top: 0; left: 18px; right: 18px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--lf-orange), #ffb347);
}
.lf-time-year { font-size: 12px; font-weight: 700; color: var(--lf-orange); margin-bottom: 8px; }
.lf-time-card h3 { font-size: 15px; font-weight: 700; color: var(--lf-navy); margin: 0 0 8px; line-height: 1.4; }
.lf-time-card p { font-size: 13px; color: var(--lf-text); line-height: 1.65; margin: 0; }

.lf-research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.lf-research-item {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 22px;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.lf-research-item:hover {
  border-color: #c5d4e8;
  box-shadow: 0 8px 28px rgba(10, 22, 40, 0.07);
}
.lf-research-num {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--lf-gold-soft);
  color: var(--lf-orange);
  font-size: 13px;
  font-weight: 800;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}
.lf-research-item h3 { font-size: 16px; font-weight: 700; color: var(--lf-navy); margin: 0 0 8px; line-height: 1.45; }
.lf-research-item p { font-size: 14px; color: var(--lf-text); line-height: 1.7; margin: 0; }

.lf-mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lf-mission-card {
  border-radius: 16px;
  padding: 28px 32px;
  border: 1px solid #e2e8f0;
}
.lf-mission-card--primary {
  background: linear-gradient(135deg, #fff 0%, #fff4e8 100%);
  border-color: #f5dcc0;
}
.lf-mission-card--heritage {
  background: linear-gradient(135deg, #fffaf0 0%, #fff5e6 100%);
  border-color: #ecd9b0;
}
.lf-mission-card h3 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.lf-mission-card--primary h3 { color: var(--lf-orange); }
.lf-mission-card--heritage h3 { color: #92600a; }
.lf-mission-quote {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px;
  line-height: 1.85;
  color: var(--lf-navy);
  margin: 0;
  font-weight: 600;
}
.lf-mission-note { font-size: 12px; color: #718096; margin-top: 14px; line-height: 1.6; }

.lf-gates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
}
.lf-gate {
  padding: 28px 24px;
  border-right: 1px solid #e2e8f0;
  position: relative;
}
.lf-gate:last-child { border-right: none; }
.lf-gate-step {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lf-gold);
  margin-bottom: 10px;
}
.lf-gate h3 { font-size: 17px; font-weight: 700; color: var(--lf-navy); margin: 0 0 12px; }
.lf-gate p { font-size: 14px; color: var(--lf-text); line-height: 1.65; margin: 0 0 10px; }
.lf-gate-result {
  font-size: 14px;
  font-weight: 700;
  color: var(--lf-orange);
  margin-bottom: 16px;
}
.lf-gate a { font-size: 13px; font-weight: 600; color: var(--lf-orange); text-decoration: none; }

.lf-method-band {
  background: linear-gradient(135deg, #ff8900 0%, #e67a00 55%, #d97706 100%);
  color: #fff;
  border-radius: 16px;
  padding: 36px 32px;
}
.lf-method-band h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.35rem;
  margin: 0 0 24px;
  color: #fff;
}
.lf-method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.lf-method-step {
  text-align: center;
  padding: 18px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--lf-border);
  border-radius: 12px;
}
.lf-method-step strong { display: block; font-size: 16px; margin-bottom: 6px; color: #fff; }
.lf-method-step span { font-size: 13px; color: rgba(255, 255, 255, 0.72); line-height: 1.55; }
.lf-method-band > p { font-size: 15px; line-height: 1.8; color: rgba(255, 255, 255, 0.75); margin: 0; }

/* 讲师页 · 授课足迹表格 */
.lf-lecturer-courses-empty {
  margin: 0;
  padding: 28px 20px;
  text-align: center;
  color: #64748b;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 14px;
}
.lc-footprint-table-wrap {
  overflow-x: auto;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
}
.lc-footprint-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.lc-footprint-table th,
.lc-footprint-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
  color: #334155;
}
.lc-footprint-table th {
  background: #f0f4fa;
  font-weight: 700;
  color: #0f1c3f;
  white-space: nowrap;
}
.lc-footprint-table tr:last-child td {
  border-bottom: none;
}
.lc-footprint-table td:nth-child(2) {
  font-weight: 600;
  color: #0f1c3f;
}
.lc-footprint-course-link {
  color: inherit;
  text-decoration: none;
}
.lc-footprint-course-link:hover {
  color: var(--lf-orange, #ff8900);
}
.lf-articles { display: flex; flex-direction: column; gap: 16px; }
.lf-article-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 24px 28px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.lf-article-card:hover {
  border-color: var(--lf-orange);
  box-shadow: 0 12px 36px rgba(255, 137, 0, 0.1);
}
.lf-article-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #fff4e8, #ffe8cc);
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--lf-orange);
  flex-shrink: 0;
}
.lf-article-body h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--lf-navy);
  margin: 0 0 8px;
  line-height: 1.45;
}
.lf-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: #718096;
  margin-bottom: 8px;
}
.lf-article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.lf-article-body p { font-size: 14px; color: var(--lf-text); line-height: 1.7; margin: 0; }
.lf-article-cta {
  font-size: 13px;
  font-weight: 700;
  color: var(--lf-orange);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lf-photos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.lf-photo figcaption { font-size: 13px; color: #718096; margin-top: 10px; text-align: center; }
.lf-photo img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid #e2e8f0;
  display: block;
}

.lf-bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.lf-faq { display: flex; flex-direction: column; gap: 10px; }
.lf-faq details {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0 18px;
}
.lf-faq summary {
  padding: 16px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--lf-navy);
  cursor: pointer;
  list-style: none;
}
.lf-faq summary::-webkit-details-marker { display: none; }
.lf-faq details[open] summary { border-bottom: 1px solid #edf2f7; margin-bottom: 0; }
.lf-faq details p {
  padding: 0 0 16px;
  font-size: 14px;
  color: var(--lf-text);
  line-height: 1.75;
  margin: 12px 0 0;
}

.lf-related .lect-related { margin-top: 0; }

@media (max-width: 960px) {
  .lf-hero-panel-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .lf-hero-main {
    padding: 28px 24px 20px;
    text-align: center;
    justify-content: flex-start;
  }
  .lf-hero-scene img {
    min-height: 340px;
    object-position: 50% 22%;
  }
  .lf-hero-metrics--inline {
    padding: 18px 20px 22px;
  }
  .lf-hero-scene::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 22%);
  }
  .lf-hero-tags { justify-content: center; }
  .lf-hero-actions { justify-content: center; }
  .lf-hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .lf-hero-container { padding: 0 20px; }
  .lf-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .lf-stat:nth-child(2) { border-right: none; }
  .lf-stat { border-bottom: 1px solid #edf2f7; }
  .lf-intro-grid, .lf-mission-grid, .lf-bottom-grid { grid-template-columns: 1fr; }
  .lf-timeline { grid-template-columns: repeat(2, 1fr); }
  .lf-research-grid { grid-template-columns: 1fr; }
  .lf-gates { grid-template-columns: 1fr; }
  .lf-gate { border-right: none; border-bottom: 1px solid #e2e8f0; }
  .lf-gate:last-child { border-bottom: none; }
  .lf-method-steps { grid-template-columns: repeat(2, 1fr); }
  .lf-article-card { grid-template-columns: 1fr; gap: 16px; }
  .lf-article-cta { justify-self: start; }
  .lf-photos { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .lf-hero { padding: 28px 0 36px; }
  .lf-hero-metrics { grid-template-columns: 1fr; }
  .lf-main { padding-left: 20px; padding-right: 20px; }
  .lf-timeline, .lf-method-steps { grid-template-columns: 1fr; }
  .lf-stats-inner { grid-template-columns: 1fr; }
  .lf-stat { border-right: none; }
}