.page-about {
  --about-max: 1240px;
  --about-edge: clamp(16px, 4vw, 40px);
  --about-gap: clamp(18px, 3.4vw, 36px);
  --about-pad-y: clamp(36px, 6vw, 72px);
  position: relative;
  color: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.78;
  padding-bottom: clamp(44px, 7vw, 92px);
  background:
    radial-gradient(92% 58% at 88% -4%, rgba(46, 122, 95, 0.26), transparent 64%),
    radial-gradient(72% 46% at 2% 38%, rgba(192, 57, 43, 0.1), transparent 72%);
}

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

.page-about .about-wrap {
  width: 100%;
  max-width: var(--about-max);
  margin-inline: auto;
  padding-inline: var(--about-edge);
}

.page-about .about-breadcrumb {
  padding-top: clamp(12px, 2vw, 22px);
}

.page-about .about-breadcrumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-about .about-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--ash);
}

.page-about .about-breadcrumb .breadcrumb-link {
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-breadcrumb .breadcrumb-link:hover,
.page-about .about-breadcrumb .breadcrumb-link:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--line-gold-strong);
}

.page-about .about-breadcrumb .breadcrumb-current {
  color: var(--gold);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* 首屏 */
.page-about .about-hero {
  padding-top: clamp(20px, 4vw, 46px);
}

.page-about .about-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--paper);
}

.page-about .about-hero h1 em {
  font-style: normal;
  color: var(--gold-soft);
  border-bottom: 3px solid rgba(201, 162, 39, 0.45);
  padding-bottom: 2px;
}

.page-about .about-hero-lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 2.3vw, 17px);
  color: var(--mist);
}

.page-about .about-hero-keys {
  list-style: none;
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-gold);
}

.page-about .about-hero-keys li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 2px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .about-key-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ash);
}

.page-about .about-key-value {
  font-family: var(--font-display);
  font-size: clamp(15px, 2.4vw, 17px);
  color: var(--gold-soft);
}

.page-about .about-hero-actions {
  margin-top: clamp(22px, 3.6vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero-media {
  margin: 0;
  position: relative;
}

.page-about .about-hero-media img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  border: 1px solid var(--line-gold-strong);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-hard), var(--shadow-soft);
}

.page-about .about-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ash);
  border-left: 2px solid var(--line-gold);
  padding-left: 10px;
}

/* 品牌立场 */
.page-about .about-stance {
  padding-block: var(--about-pad-y);
}

.page-about .about-stance-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.6vw, 48px);
  align-items: start;
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(24px, 4vw, 44px);
}

.page-about .about-stance-quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 4.2vw, 34px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--gold-soft);
}

.page-about .about-stance-body p {
  margin: 0 0 16px;
  font-size: clamp(14.5px, 2.2vw, 16px);
  color: var(--mist);
}

.page-about .about-stance-body p:last-child {
  margin-bottom: 0;
}

/* 沿革 */
.page-about .about-history {
  padding-bottom: var(--about-pad-y);
}

.page-about .about-section-head {
  margin-bottom: clamp(20px, 3.6vw, 36px);
}

.page-about .about-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  max-width: 30ch;
}

.page-about .about-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line-gold);
}

.page-about .about-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0 16px 22px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(11, 31, 26, 0.9);
}

.page-about .about-year {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-timeline-body h3,
.page-about .about-pillar h3,
.page-about .about-fit-item h3 {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.6vw, 20px);
  line-height: 1.4;
  letter-spacing: 0;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-about .about-timeline-body p,
.page-about .about-pillar p,
.page-about .about-fit-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-wide-media {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-about .about-wide-media img {
  width: 100%;
  aspect-ratio: 1200 / 520;
  object-fit: cover;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
}

/* 三件事 */
.page-about .about-pillars {
  padding-bottom: var(--about-pad-y);
}

.page-about .about-pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
}

.page-about .about-pillar {
  position: relative;
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background: linear-gradient(158deg, rgba(28, 74, 60, 0.62), rgba(11, 31, 26, 0.9));
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-about .about-pillar--second {
  border-color: var(--line-gold-strong);
  background: linear-gradient(158deg, rgba(201, 162, 39, 0.14), rgba(18, 49, 42, 0.92) 62%);
}

.page-about .about-pillar:hover,
.page-about .about-pillar:focus-within {
  transform: translateY(-5px);
  border-color: var(--gold);
  box-shadow: var(--shadow-hard), var(--shadow-soft);
}

.page-about .about-pillar-num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  border: 1px solid var(--line-gold-strong);
  border-radius: var(--radius-s);
  padding: 2px 8px;
  margin-bottom: 14px;
}

/* 适用场景 */
.page-about .about-fit {
  padding-bottom: var(--about-pad-y);
}

.page-about .about-fit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .about-fit-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.27;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: 26ch;
}

.page-about .about-fit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-fit-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-fit-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-fit-num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 3px;
}

.page-about .about-fit-media {
  margin: 0;
}

.page-about .about-fit-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line-gold-strong);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-hard);
}

/* 行动区 */
.page-about .about-cta-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(24px, 4.4vw, 48px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 130% at 96% 0%, rgba(201, 162, 39, 0.2), transparent 58%),
    linear-gradient(150deg, rgba(28, 74, 60, 0.9), rgba(11, 31, 26, 0.96));
  box-shadow: var(--shadow-hard);
}

.page-about .about-cta-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.28;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-about .about-cta-copy p {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 46ch;
}

.page-about .about-cta-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ash);
  margin: 0 0 6px;
}

.page-about .about-cta-mail {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(16px, 2.6vw, 19px);
  word-break: break-all;
}

.page-about .about-cta-mail a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold-strong);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-cta-mail a:hover,
.page-about .about-cta-mail a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-about .about-cta-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-about .about-cta-links a {
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .about-cta-links a:hover,
.page-about .about-cta-links a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

.page-about a:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-about .about-hero-inner {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
  }

  .page-about .about-stance-grid {
    grid-template-columns: 1.02fr 0.98fr;
  }

  .page-about .about-timeline-item {
    grid-template-columns: 96px 1fr;
    gap: clamp(16px, 3vw, 32px);
    padding-left: 28px;
  }

  .page-about .about-year {
    padding-top: 2px;
  }

  .page-about .about-pillar-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-fit-grid {
    grid-template-columns: 1.18fr 0.82fr;
  }

  .page-about .about-cta-panel {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-about .about-pillar--second {
    transform: translateY(-20px);
  }

  .page-about .about-pillar--second:hover,
  .page-about .about-pillar--second:focus-within {
    transform: translateY(-25px);
  }

  .page-about .about-stance-quote {
    padding-right: clamp(12px, 3vw, 40px);
  }

  .page-about .about-hero-media {
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-pillar,
  .page-about .about-pillar:hover,
  .page-about .about-pillar:focus-within {
    transform: none;
    transition: none;
  }

  .page-about .about-pillar--second {
    transform: none;
  }
}