.about-hero {
  padding: 160px 44px 80px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  background:
    radial-gradient(ellipse at 85% 10%, rgba(199,156,123,.22), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(86,64,47,.08), transparent 55%),
    var(--paper);
}
.about-logo {
  width: 104px;
  height: 104px;
  border-radius: 24px;
  object-fit: contain;
  background: var(--paper);
  padding: 10px;
  box-shadow: 0 14px 30px -14px rgba(86,64,47,.35);
}
.about-hero h1 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(44px, 5.4vw, 68px);
  color: var(--brown);
  margin: 0;
  letter-spacing: -.01em;
  line-height: 1.15;
}
[data-lang="cn"] .about-hero h1 { font-family: var(--font-body); font-weight: 700; letter-spacing: .04em; }
.about-intro {
  max-width: 860px;
  margin: 6px auto 0;
}
.about-intro p {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(19px, 1.9vw, 24px);
  line-height: 1.8;
  color: var(--ink);
  opacity: .92;
  margin: 0;
}
[data-lang="cn"] .about-intro p { font-family: var(--font-body); }
.about-intro em { color: var(--tan); font-style: italic; }

.about-contact {
  padding: 80px 44px 100px;
  background: linear-gradient(160deg, var(--sage) 0%, var(--cream) 100%);
}
.about-contact-inner {
  max-width: 900px;
  margin: 0 auto;
}
.section-title {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(28px, 3vw, 40px);
  color: var(--brown);
  margin: 0 0 34px;
  line-height: 1.15;
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
}
.section-title::before {
  content: "";
  width: 40px; height: 3px;
  background: var(--tan);
  border-radius: 2px;
  transform: translateY(-8px);
}
.contact-block {
  background: var(--paper);
  border-radius: 20px;
  padding: 30px 32px;
  border: 1px solid rgba(86,64,47,.08);
  box-shadow: 0 12px 24px -18px rgba(86,64,47,.3);
  margin-bottom: 22px;
}
.contact-block:last-child { margin-bottom: 0; }
.contact-block h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 20px;
  color: var(--brown);
  margin: 0 0 20px;
  letter-spacing: .02em;
}
.contact-block .socials {
  justify-content: flex-start;
}
.contact-block .socials .social {
  background: rgba(86,64,47,.06);
  border: 1px solid rgba(86,64,47,.15);
  color: var(--brown);
}
.contact-block .socials .social:hover {
  background: var(--tan);
  color: var(--paper);
  border-color: var(--tan);
}

.mail-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.mail-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--cream) 0%, var(--paper) 100%);
  border: 1px solid rgba(86,64,47,.08);
  transition: all .25s ease;
}
.mail-card:hover {
  transform: translateY(-2px);
  border-color: var(--tan);
  box-shadow: 0 12px 24px -12px rgba(199,156,123,.4);
}
.mail-card > i {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--brown);
  color: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex: 0 0 auto;
}
.mail-card > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.mail-card .lbl {
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brown);
  opacity: .7;
}
.mail-card .addr {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--brown);
  font-weight: 500;
  word-break: break-all;
}

@media (max-width: 960px) {
  .about-hero { padding: 120px 20px 60px; }
  .about-contact { padding: 60px 20px 80px; }
  .mail-cards { grid-template-columns: 1fr; }
}