.page-about {
  --about-rail-w: 228px;
  --about-border: rgba(227, 180, 79, 0.28);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 88px) 0 clamp(56px, 7vw, 96px);
  background: linear-gradient(115deg, var(--c-ink) 0%, var(--c-ink-2) 46%, var(--c-red-deep) 150%);
  border-top: 1px solid var(--about-border);
  border-bottom: 1px solid rgba(143, 29, 44, 0.5);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(227, 180, 79, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-hero__content {
  max-width: 780px;
  position: relative;
  z-index: 1;
}

.page-about .about-hero h1 {
  margin: 16px 0 20px;
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--c-ivory);
  text-shadow: 0 0 40px rgba(227, 180, 79, 0.12);
}

.page-about .about-hero__lead {
  margin: 0 0 28px;
  color: var(--c-mist);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 58ch;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 36px;
  margin-bottom: 28px;
}

.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-hero__stat .metric {
  font-size: 1.8rem;
  line-height: 1.2;
}

.page-about .about-hero__stat-label {
  font-size: 0.82rem;
  color: var(--c-mist);
  letter-spacing: 0.08em;
}

.page-about .about-hero__action {
  align-self: flex-start;
}

.page-about .about-hero__visual {
  display: none;
}

.pabout-about .about-hero__svg {
  width: 100%;
  height: auto;
}

.page-about .about-layout {
  padding-top: clamp(36px, 6vw, 72px);
}

.page-about .about-rail {
  margin-bottom: 40px;
  padding: 4px 0 8px;
  border-bottom: 1px solid var(--about-border);
}

.page-about .about-rail__title {
  display: none;
}

.page-about .about-rail__nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-about .about-rail__nav::-webkit-scrollbar {
  display: none;
}

.page-about .about-rail__link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.88rem;
  color: var(--c-mist);
  border: 1px solid rgba(227, 180, 79, 0.25);
  background: rgba(18, 18, 26, 0.8);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-rail__link .about-rail__num {
  color: var(--c-gold);
  font-family: var(--font-serif);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--c-ivory);
  border-color: var(--c-gold);
  background: rgba(35, 35, 48, 0.9);
}

.page-about .about-rail__btn {
  display: none;
}

.page-about .about-main {
  min-width: 0;
}

.page-about .about-section + .about-section {
  position: relative;
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: clamp(48px, 7vw, 88px);
}

.page-about .about-section + .about-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(560px, 72%);
  height: 2px;
  background: linear-gradient(100deg, var(--c-gold), rgba(227, 180, 79, 0.2) 60%, transparent);
  transform: skewX(-20deg);
  transform-origin: left center;
}

.page-about .about-section__head {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-about .about-section__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.2;
  color: var(--c-ivory);
}

.page-about .about-section__desc {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--c-mist);
}

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

.page-about .about-hunan__text {
  display: grid;
  gap: 16px;
  color: var(--c-mist);
  line-height: 1.8;
}

.page-about .about-hunan__note {
  margin: 4px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--c-red);
  background: rgba(143, 29, 44, 0.12);
  font-size: 0.86rem;
  color: var(--c-ivory);
}

.page-about .about-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--c-ink-3);
  border: 1px solid rgba(227, 180, 79, 0.18);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.4s var(--ease), filter 0.4s var(--ease);
}

.page-about .about-figure:hover img {
  transform: scale(1.02);
  filter: brightness(1.06);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-red), var(--c-gold) 55%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 44px;
  margin-bottom: 36px;
}

.page-about .about-timeline__item:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(227, 180, 79, 0.16);
}

.page-about .about-timeline__year {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1.2;
}

.page-about .about-timeline__card {
  padding: 18px 20px 20px;
  background: linear-gradient(135deg, var(--c-ink-2), var(--c-ink-3));
  border: 1px solid rgba(227, 180, 79, 0.16);
  border-left: 3px solid var(--c-gold);
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--c-ivory);
}

.page-about .about-timeline__card p {
  margin: 0;
  color: var(--c-mist);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-about .about-price__wrap {
  display: grid;
  gap: 32px;
}

.page-about .about-price__intro {
  display: grid;
  gap: 14px;
  color: var(--c-mist);
  line-height: 1.8;
  max-width: 86ch;
}

.page-about .about-price__principles {
  display: grid;
  gap: 16px;
}

.page-about .about-price__principle {
  position: relative;
  padding: 20px 22px 22px;
}

.page-about .about-price__principle h3 {
  margin: 22px 0 6px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--c-ivory);
}

.page-about .about-price__principle p {
  margin: 0;
  color: var(--c-mist);
  line-height: 1.7;
  font-size: 0.92rem;
}

.page-about .about-price__num {
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-gold);
  opacity: 0.85;
}

.page-about .about-team__layout {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-about .about-team__cards {
  display: grid;
  gap: 14px;
}

.page-about .about-team__card {
  position: relative;
  padding: 18px 20px 18px 46px;
  background: var(--c-ink-2);
  border: 1px solid rgba(217, 217, 217, 0.08);
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 10px;
  height: 10px;
  transform: rotate(45deg);
  background: var(--c-red);
}

.page-about .about-team__card h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--c-gold);
}

.page-about .about-team__card p {
  margin: 0;
  color: var(--c-mist);
  line-height: 1.7;
  font-size: 0.92rem;
}

.page-about .about-team__note {
  margin: 6px 0 0;
  padding: 14px 18px;
  background: rgba(227, 180, 79, 0.08);
  border: 1px dashed rgba(227, 180, 79, 0.35);
  color: var(--c-mist);
  line-height: 1.75;
  font-size: 0.92rem;
}

.page-about .about-figure--team {
  max-width: 800px;
}

.page-about .about-cta {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-about .about-cta__panel {
  display: grid;
  gap: 32px;
  align-items: center;
  padding: clamp(28px, 5vw, 56px);
  background:
    linear-gradient(135deg, rgba(143, 29, 44, 0.18), transparent 55%),
    linear-gradient(145deg, #12121A 0%, #1B1B26 65%, #18273D 130%);
  border: 1px solid rgba(227, 180, 79, 0.24);
  border-top: 3px solid var(--c-gold);
}

.page-about .about-cta__text h2 {
  margin: 10px 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  color: var(--c-ivory);
}

.page-about .about-cta__text p {
  margin: 0 0 12px;
  color: var(--c-mist);
  line-height: 1.7;
}

.page-about .about-cta__mail {
  font-size: 0.92rem;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .about-cta__copy {
  font-size: 0.88rem;
}

.page-about .about-cta__panel .about-figure {
  max-width: 640px;
}

.page-about .about-figure--cta {
  margin: 0 auto;
}

.page-about .about-section[data-reveal] {
  opacity: 0.01;
  transform: translateY(12px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.page-about .about-section[data-reveal].is-revealed,
.page-about .about-cta[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (min-width: 640px) {
  .page-about .about-hunan__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

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

  .page-about .about-cta__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    display: grid;
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 0;
    padding: 24px 0 0;
    border-bottom: 0;
    border-top: 2px solid var(--c-gold);
  }

  .page-about .about-rail__title {
    display: block;
    font-size: 0.76rem;
    letter-spacing: 0.24em;
    color: var(--c-gold);
    text-transform: uppercase;
  }

  .page-about .about-rail__nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-about .about-rail__link {
    border: none;
    border-bottom: 1px solid rgba(217, 217, 217, 0.08);
    background: transparent;
    padding: 10px 0;
    border-radius: 0;
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    background: transparent;
    border-bottom-color: var(--c-gold);
    color: var(--c-gold);
  }

  .page-about .about-rail__btn {
    display: inline-flex;
    width: 100%;
    justify-content: center;
  }

  .page-about .about-team__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-about .about-hero__visual {
    display: block;
  }

  .page-about .about-hero__svg {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-section[data-reveal],
  .page-about .about-cta[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .about-figure img {
    transition: none;
    transform: none;
  }
}