/* ==========================================================================
   觉心正念 — 张博士页
   ========================================================================== */

/* Hero */
.founder-hero {
  position: relative;
  padding: 12rem 0 7rem;
  background: var(--gradient-radial-fade);
  overflow: hidden;
}
.founder-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 30%, rgba(212, 162, 148, 0.12) 0%, transparent 50%);
  pointer-events: none;
}
.founder-hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
}
.founder-hero__title {
  font-family: var(--font-serif-cn);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin: 1.5rem 0 1.5rem;
}
.founder-hero__sub {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 32rem;
}
.founder-hero__creds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.founder-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-primary-200);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}
.founder-hero__chip-num {
  font-family: var(--font-serif-en);
  font-weight: 500;
  color: var(--color-primary-600);
  font-size: 0.9375rem;
  letter-spacing: 0.05em;
}
.founder-hero__chip span {
  font-size: 0.875rem;
  color: var(--color-text-primary);
}

/* Portrait */
.founder-hero__visual {
  display: flex;
  justify-content: center;
}
.founder-hero__portrait {
  position: relative;
  width: 100%;
  max-width: 28rem;
  aspect-ratio: 3/4;
}
.founder-hero__portrait-frame {
  position: absolute;
  inset: -1.25rem;
  border: 1px solid var(--color-primary-300);
  border-radius: calc(var(--radius-xl) + 1.25rem);
  opacity: 0.4;
}
.founder-hero__portrait-content {
  position: absolute;
  inset: 0;
  background: var(--gradient-warm);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  gap: 0.5rem;
}
.founder-hero__cn {
  font-family: var(--font-serif-cn);
  font-size: 4.5rem;
  font-weight: 500;
  color: var(--color-primary-600);
  letter-spacing: 0.15em;
  line-height: 1;
}
.founder-hero__portrait-content em {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.15em;
  margin-top: 0.5rem;
}
.founder-hero__portrait-content small {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
  padding: 0.375rem 0.875rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-full);
}
.founder-hero__newbook {
  position: absolute;
  bottom: -2rem;
  left: -2rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  z-index: 2;
  max-width: 12rem;
}
.founder-hero__newbook strong {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-accent-600);
  background: var(--color-accent-50);
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}
.founder-hero__newbook span {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.375rem;
}
.founder-hero__newbook em {
  font-style: normal;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 0;
}
.timeline__item {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  position: relative;
}
.timeline__item::after {
  content: '';
  position: absolute;
  left: 7.75rem;
  top: 2.5rem;
  bottom: 0;
  width: 1px;
  background: var(--color-border-light);
}
.timeline__item:last-child::after { display: none; }
.timeline__year {
  font-family: var(--font-serif-en);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-primary-600);
  letter-spacing: 0.05em;
  position: relative;
}
.timeline__year::after {
  content: '';
  position: absolute;
  right: -2rem;
  top: 0.625rem;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: 0 0 0 4px var(--color-bg-page);
}
.timeline__body {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}
.timeline__body h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
}
.timeline__body p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-primary);
}

/* 学术背景 */
.creds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.creds-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--color-border-light);
  transition: all 0.4s var(--ease-out);
}
.creds-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.creds-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
  width: 4rem;
  height: 4rem;
  line-height: 4rem;
  border-radius: 50%;
  background: var(--color-primary-50);
}
.creds-card h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.creds-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* EMBIA */
.embia-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
.embia-step {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease-out);
}
.embia-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-300);
}
.embia-step__num {
  font-family: var(--font-serif-en);
  font-size: 3.5rem;
  font-weight: 500;
  font-style: italic;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.embia-step h3 {
  font-family: var(--font-serif-en);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
  font-weight: 500;
}
.embia-step p {
  font-family: var(--font-serif-cn);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 0.75rem;
}
.embia-step span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

/* Endorse */
.endorse-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.endorse-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
}
.endorse-card__text {
  font-family: var(--font-serif-cn);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.75rem;
  font-style: italic;
}
.endorse-card__text::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.5rem;
  font-family: var(--font-serif-en);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-primary-300);
  font-style: italic;
}
.endorse-card__author {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-light);
}
.endorse-card__author strong {
  display: block;
  font-size: 1rem;
  color: var(--color-primary-600);
  font-weight: 500;
  font-family: var(--font-serif-cn);
}
.endorse-card__author span {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

@media (max-width: 1024px) {
  .founder-hero__grid { grid-template-columns: 1fr; gap: 4rem; }
  .founder-hero__visual { order: -1; }
  .founder-hero__portrait { max-width: 24rem; }
  .creds-grid { grid-template-columns: repeat(2, 1fr); }
  .embia-grid { grid-template-columns: repeat(2, 1fr); }
  .endorse-grid { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 6rem 1fr; gap: 2rem; }
  .timeline__item::after { left: 5.75rem; }
}
@media (max-width: 640px) {
  .founder-hero { padding: 8rem 0 5rem; }
  .founder-hero__newbook { position: static; margin: 2rem auto 0; max-width: 100%; }
  .creds-grid { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 1fr; gap: 0.5rem; }
  .timeline__item::after { display: none; }
  .timeline__year::after { display: none; }
  .timeline__year { font-size: 1.25rem; }
  .timeline__body { padding: 1.5rem; }
}

/* ============== 张博士 hero 照片 ============== */
.founder-hero__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
  opacity: 0.5;
  z-index: 0;
}
.founder-hero__portrait-content,
.founder-hero__newbook { z-index: 1; }
.founder-hero__portrait-content { background: linear-gradient(135deg, rgba(253, 243, 239, 0.4) 0%, rgba(247, 230, 223, 0.3) 100%); }

/* ============== 时间线带图 ============== */
.timeline__body--with-image {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
}
.timeline__body-img {
  aspect-ratio: 3/2;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.timeline__body-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 1024px) {
  .timeline__body--with-image { grid-template-columns: 1fr; }
  .timeline__body-img { order: -1; }
}