.page-about {
  --about-line: rgba(212, 175, 55, 0.32);
  --about-soft: rgba(212, 175, 55, 0.12);
  background-color: var(--light);
  background-image:
    linear-gradient(90deg, rgba(212, 175, 55, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  color: var(--text-ink);
  overflow-x: hidden;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about__hero {
  position: relative;
  background: var(--red-gradient);
  color: var(--light);
  padding: 36px 0 52px;
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 0 0 22px rgba(212, 175, 55, 0.07), 0 0 0 44px rgba(212, 175, 55, 0.05);
  pointer-events: none;
}

.page-about__hero::after {
  content: "";
  position: absolute;
  left: -50px;
  bottom: -100px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid rgba(255, 248, 231, 0.2);
  pointer-events: none;
}

.page-about__hero .container {
  position: relative;
  z-index: 2;
}

.page-about__hero .breadcrumb {
  margin: 0 0 28px;
  font-size: 0.85rem;
  color: rgba(255, 248, 231, 0.6);
}

.page-about__hero .breadcrumb a {
  color: rgba(255, 248, 231, 0.85);
  text-decoration: none;
  transition: color 0.2s;
}

.page-about__hero .breadcrumb a:hover {
  color: var(--gold);
}

.page-about__hero .breadcrumb [aria-hidden="true"] {
  margin: 0 10px;
}

.page-about__hero-inner {
  display: grid;
  gap: 32px;
}

.page-about__hero-tag {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  margin-bottom: 18px;
}

.page-about__hero h1 {
  font-family: var(--font-headings);
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  line-height: 1.16;
  letter-spacing: 0.03em;
  color: var(--light);
  margin: 0 0 18px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}

.page-about__hero-lead {
  max-width: 640px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255, 248, 231, 0.85);
}

.page-about__hero-stats {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about__hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: rgba(255, 248, 231, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(3px);
}

.page-about__hero-stat dt {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(255, 248, 231, 0.75);
}

.page-about__hero-stat dd {
  margin: 0;
  font-family: var(--font-headings);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1.5;
}

.page-about__hero-deco {
  display: none;
  position: absolute;
  right: 4%;
  bottom: -26px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #F9F1E0, #D4AF37 58%, #B8860B);
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-gold);
  z-index: 3;
}

.page-about__hero-deco::before {
  content: "";
  position: absolute;
  inset: 11px;
  border: 2px dashed rgba(139, 0, 0, 0.55);
  border-radius: 50%;
}

.page-about__hero-deco-fu {
  font-family: var(--font-headings);
  font-size: 3.4rem;
  font-weight: 900;
  color: var(--deep-red);
  line-height: 1;
}

.page-about__toc {
  padding: 14px 0;
  background: rgba(255, 248, 231, 0.72);
  border-bottom: 1px solid var(--about-line);
}

.page-about__toc-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-about__toc-label {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.18);
  border: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--deep-red);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-about__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about__toc-list::-webkit-scrollbar {
  display: none;
}

.page-about__toc-item {
  flex: 0 0 auto;
}

.page-about__toc-item a {
  display: block;
  padding: 6px 14px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 999px;
  background: rgba(255, 248, 231, 0.85);
  color: var(--deep-red);
  font-size: 0.85rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.page-about__toc-item a:hover {
  background: var(--gold);
  color: var(--light);
  transform: translateY(-1px);
}

.page-about__chapter {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 36px;
  padding: 14px 18px;
  background: var(--about-soft);
  border-left: 6px solid var(--gold);
  border-radius: var(--radius-sm);
}

.page-about__chapter .section-number {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
  color: var(--gold);
}

@supports (-webkit-text-stroke: 1px black) {
  .page-about__chapter .section-number {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--gold);
  }
}

.page-about__chapter-title h2 {
  font-family: var(--font-headings);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.25;
  margin: 0 0 4px;
  color: var(--text-ink);
}

.page-about__chapter-title p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.page-about__story {
  position: relative;
  padding: 64px 0 76px;
}

.page-about__story::before {
  content: "01";
  position: absolute;
  top: 20px;
  right: -6px;
  font-family: var(--font-headings);
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.18);
  pointer-events: none;
  z-index: 0;
}

.page-about__story > .container {
  position: relative;
  z-index: 1;
}

.page-about__story-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about__story-media {
  position: relative;
  margin: 0;
  max-width: 420px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.page-about__story-media::after {
  content: "";
  position: absolute;
  inset: 16px -14px -14px 16px;
  border: 2px solid var(--gold);
  border-radius: 18px;
  z-index: 0;
}

.page-about__story-img {
  display: block;
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: var(--shadow-gold);
}

.page-about__story-body {
  font-size: 1rem;
  line-height: 1.85;
}

.page-about__story-body p {
  margin: 0 0 16px;
}

.page-about__dropcap::first-letter {
  float: left;
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: 2.6em;
  line-height: 0.8;
  color: var(--deep-red);
  margin: 0.12em 0.12em 0 0;
}

.page-about__mission {
  margin: 22px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--about-soft);
}

.page-about__mission p {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  line-height: 1.7;
  font-weight: 700;
  color: var(--deep-red);
  margin: 0;
}

.page-about__story-body .btn {
  margin-top: 6px;
}

.page-about__history {
  position: relative;
  padding: 64px 0 76px;
  background: linear-gradient(180deg, var(--cream) 0%, #F5EBD6 100%);
}

.page-about__history::before {
  content: "02";
  position: absolute;
  top: 20px;
  left: -6px;
  font-family: var(--font-headings);
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.16);
  pointer-events: none;
  z-index: 0;
}

.page-about__history > .container {
  position: relative;
  z-index: 1;
}

.page-about__history-grid {
  display: grid;
  gap: 36px;
}

.page-about__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--deep-red) 100%);
}

.page-about__timeline-item {
  position: relative;
  padding: 0 0 32px 44px;
}

.page-about__timeline-item:last-child {
  padding-bottom: 0;
}

.page-about__timeline-dot {
  position: absolute;
  left: 4px;
  top: 4px;
  width: 16px;
  height: 16px;
  background: var(--gold);
  border: 3px solid var(--cream);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--gold), 0 3px 10px rgba(212, 175, 55, 0.4);
}

.page-about__timeline-body {
  background: rgba(255, 248, 231, 0.86);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-md);
  padding: 18px 18px 20px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about__timeline-body:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

.page-about__timeline-era {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--deep-red);
  background: rgba(212, 175, 55, 0.15);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 10px;
  font-weight: 700;
}

.page-about__timeline-body h3 {
  font-family: var(--font-headings);
  font-size: 1.2rem;
  color: var(--text-ink);
  margin: 0 0 8px;
  line-height: 1.5;
}

.page-about__timeline-body p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-about__history-note {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: rgba(255, 248, 231, 0.85);
  box-shadow: 0 12px 32px rgba(26, 42, 58, 0.28);
  align-self: start;
}

.page-about__history-note figure {
  margin: 0 0 18px;
}

.page-about__history-note img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  object-fit: cover;
}

.page-about__history-note figcaption {
  margin-top: 8px;
  font-size: 0.8rem;
  color: rgba(255, 248, 231, 0.65);
  text-align: center;
}

.page-about__history-note p {
  font-size: 0.92rem;
  line-height: 1.75;
  margin: 0 0 18px;
}

.page-about__team {
  position: relative;
  padding: 64px 0 76px;
  background:
    radial-gradient(circle at 82% 2%, rgba(212, 175, 55, 0.16), transparent 260px),
    var(--light);
}

.page-about__team::before {
  content: "03";
  position: absolute;
  top: 20px;
  right: -6px;
  font-family: var(--font-headings);
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.18);
  pointer-events: none;
  z-index: 0;
}

.page-about__team > .container {
  position: relative;
  z-index: 1;
}

.page-about__team-intro {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about__team-copy p {
  margin: 0 0 16px;
  line-height: 1.85;
}

.page-about__team-copy .btn {
  margin-top: 8px;
}

.page-about__team-media {
  margin: 0;
}

.page-about__team-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.page-about__stats {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about__stat {
  background: var(--cream);
  border: 1px solid rgba(212, 175, 55, 0.32);
  border-radius: var(--radius-md);
  padding: 22px 14px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--deep-red);
  line-height: 1.2;
}

.page-about__stat-label {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.page-about__service-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about__service-item {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 22px 20px;
  box-shadow: var(--shadow-soft);
  border-top: 4px solid var(--gold);
}

.page-about__service-item h3 {
  font-family: var(--font-headings);
  font-size: 1.1rem;
  margin: 0 0 10px;
  color: var(--deep-red);
}

.page-about__service-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-about__credential {
  position: relative;
  padding: 72px 0 80px;
  background: var(--dark);
  color: var(--light);
}

.page-about__credential::before {
  content: "04";
  position: absolute;
  top: 20px;
  right: -6px;
  font-family: var(--font-headings);
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.24);
  pointer-events: none;
  z-index: 0;
}

.page-about__credential > .container {
  position: relative;
  z-index: 1;
}

.page-about__credential .page-about__chapter {
  background: rgba(212, 175, 55, 0.12);
  border-left-color: var(--gold);
}

.page-about__credential .page-about__chapter-title h2 {
  color: var(--light);
}

.page-about__credential .page-about__chapter-title p {
  color: rgba(255, 248, 231, 0.65);
}

.page-about__credential-grid {
  display: grid;
  gap: 20px;
}

.page-about__credential-card {
  background: rgba(255, 248, 231, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}

.page-about__credential-card h3 {
  font-family: var(--font-headings);
  font-size: 1.3rem;
  margin: 16px 0 10px;
  color: var(--light);
}

.page-about__credential-card > p {
  color: rgba(255, 248, 231, 0.75);
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0 0 14px;
}

.page-about__credential-card a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 700;
  margin-top: auto;
}

.page-about__credential-card a:hover {
  text-decoration: underline;
}

.page-about__credential-icp {
  font-family: var(--font-headings);
  font-weight: 900;
  color: var(--gold);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
}

.page-about__credential-card--feature {
  background: var(--red-gradient);
  border: 1px solid rgba(212, 175, 55, 0.5);
  box-shadow: var(--shadow-red);
}

.page-about__credential-card--feature .page-about__credential-seal {
  border-color: var(--light);
  color: var(--light);
  box-shadow: inset 0 0 0 3px rgba(255, 248, 231, 0.14);
}

.page-about__credential-card--feature h3 {
  color: var(--light);
}

.page-about__credential-card--feature p {
  color: rgba(255, 248, 231, 0.88);
}

.page-about__credential-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border: 3px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--font-headings);
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: inset 0 0 0 3px rgba(212, 175, 55, 0.16);
  flex: 0 0 auto;
}

.page-about__trust {
  margin-top: 28px;
  padding: 16px 20px;
  border: 1px dashed rgba(212, 175, 55, 0.45);
  border-radius: var(--radius-sm);
  background: rgba(212, 175, 55, 0.08);
  color: rgba(255, 248, 231, 0.8);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-about__closing {
  padding: 64px 0 84px;
  background: linear-gradient(180deg, var(--light) 0%, var(--cream) 100%);
}

.page-about__closing-card {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 28px;
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: var(--radius-lg);
  background: var(--cream);
  box-shadow: var(--shadow-gold);
  overflow: hidden;
}

.page-about__closing-card::before {
  content: "福";
  position: absolute;
  right: -16px;
  bottom: -24px;
  font-family: var(--font-headings);
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(212, 175, 55, 0.14);
  pointer-events: none;
}

.page-about__closing-card h2 {
  font-family: var(--font-headings);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--deep-red);
  margin: 0 0 12px;
}

.page-about__closing-card > p {
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__closing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 26px;
  position: relative;
  z-index: 1;
}

@media (min-width: 640px) {
  .page-about__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about__service-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-about__closing-actions {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .page-about__hero {
    padding: 44px 0 64px;
  }

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

  .page-about__credential-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 820px) {
  .page-about__hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: end;
  }
}

@media (min-width: 860px) {
  .page-about__story-grid {
    grid-template-columns: minmax(0, 420px) 1fr;
    gap: 56px;
  }

  .page-about__team-intro {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }

  .page-about__team-intro .page-about__team-media {
    order: 2;
  }
}

@media (min-width: 960px) {
  .page-about__history-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-about__hero-deco {
    display: flex;
  }
}