.about-page {
  --about-footer-height: 66px;
  min-height: 100vh;
  min-height: 100dvh;
  color: #f4f3f0;
  background: #080808;
}

.about-page .site-header {
  background: rgba(8, 8, 8, 0.94);
  backdrop-filter: blur(18px);
}

.about-main {
  width: min(1280px, calc(100% - 112px));
  margin: 0 auto;
  padding: calc(var(--header-h) + 72px) 0 calc(var(--about-footer-height) + env(safe-area-inset-bottom, 0px) + 32px);
}

.about-hero {
  display: grid;
  grid-template-columns: minmax(250px, 0.56fr) minmax(0, 1.44fr);
  align-items: start;
  gap: clamp(48px, 6vw, 88px);
  padding: 28px 0 24px;
}

.about-image {
  position: relative;
  width: min(360px, 100%);
  aspect-ratio: 0.82;
  margin: 0;
  justify-self: center;
  overflow: hidden;
  background: #111;
}

.about-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 68%, rgba(0, 0, 0, 0.2));
  content: "";
  pointer-events: none;
}

.about-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: contrast(1.03);
}

.section-label {
  margin: 0 0 34px;
  color: rgba(244, 243, 240, 0.48);
  font-size: 0.66rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.about-summary {
  display: grid;
  gap: 10px;
  margin: 0 0 52px;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.about-summary p {
  margin: 0;
  color: rgba(244, 243, 240, 0.74);
  font-size: clamp(0.86rem, 1.08vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.55;
}

.about-summary p:first-child {
  margin-bottom: 6px;
  color: #f4f3f0;
  font-size: clamp(1.55rem, 2.4vw, 2.25rem);
  letter-spacing: 0.045em;
  line-height: 1.22;
}

.about-summary p:last-child {
  color: rgba(244, 243, 240, 0.58);
}

.about-overview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 46px;
}

.overview-column p {
  margin: 0 0 1.22em;
  color: rgba(244, 243, 240, 0.66);
  font-size: clamp(0.76rem, 0.9vw, 0.88rem);
  line-height: 1.82;
}

.overview-cn p {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  letter-spacing: 0.035em;
}

.overview-en {
  padding-top: 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

@media (min-width: 721px) {
  .overview-column p {
    color: rgba(244, 243, 240, 0.82);
    font-size: clamp(0.9375rem, 1.1vw, 1rem);
    line-height: 1.85;
  }

  .overview-en p {
    color: rgba(244, 243, 240, 0.74);
    line-height: 1.8;
  }
}

.about-page .about-footer {
  position: fixed;
  z-index: 20;
  inset: auto 0 0;
  height: calc(var(--about-footer-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: #080808;
}

.about-footer a {
  color: inherit;
  text-decoration: none;
}

@media (max-width: 980px) {
  .about-main {
    width: min(100% - 56px, 760px);
  }

  .about-hero {
    grid-template-columns: 1fr;
    gap: 54px;
    padding: 10px 0 24px;
  }

  .about-image {
    width: min(360px, 72vw);
  }

  .about-overview { gap: 42px; }
}

@media (max-width: 720px) {
  .about-main {
    width: calc(100% - 36px);
    padding: calc(var(--header-h) + 42px) 0 calc(var(--about-footer-height) + env(safe-area-inset-bottom, 0px) + 32px);
  }

  .about-hero { gap: 42px; padding-bottom: 18px; }

  .about-image {
    aspect-ratio: 0.84;
  }

  .section-label {
    margin-bottom: 24px;
  }

  .about-summary {
    gap: 7px;
    margin-bottom: 38px;
  }

  .about-summary p {
    font-size: clamp(0.74rem, 3.35vw, 0.84rem);
    letter-spacing: 0.035em;
  }

  .about-summary p:first-child {
    margin-bottom: 5px;
    font-size: clamp(1.3rem, 6vw, 1.6rem);
  }

  .about-overview { gap: 36px; }

  .overview-en { padding-top: 36px; }

}