/* About page refinement — extends the shared Xiaohei visual system. */
.page-about {
  --about-green: #207344;
  --about-deep: #145431;
  --about-ink: #222824;
  --about-muted: #606b64;
  --about-line: #dfe7e1;
  --about-paper: #f7f9f7;
  --about-mint: #eef7f1;
}

.page-about #about { padding-top: 42px; }
.page-about .page-lead { margin-bottom: 54px; }
.page-about .page-lead h1 {
  max-width: 900px;
  font-size: clamp(38px, 4.2vw, 58px);
  line-height: 1.2;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.page-about .page-lead h1 span {
  color: var(--about-green);
}
.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 72px;
}
.page-about .about-copy {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  grid-template-areas: "intro story" "highlights highlights";
  gap: 34px 64px;
  padding: 46px 52px 36px;
  border: 1px solid rgba(32, 115, 68, 0.09);
  border-radius: 18px;
  background:
    radial-gradient(circle at 88% 5%, rgba(190, 226, 202, 0.42), transparent 34%),
    linear-gradient(135deg, #f5faf6 0%, #fbfcfb 58%, #f1f7f3 100%);
  box-shadow: 0 24px 55px -42px rgba(31, 71, 46, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
}
.page-about .about-copy::after {
  content: "";
  position: absolute;
  right: -52px;
  top: -68px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(32, 115, 68, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(32, 115, 68, 0.025), 0 0 0 56px rgba(32, 115, 68, 0.016);
  pointer-events: none;
}
.page-about .about-intro { grid-area: intro; align-self: start; }
.page-about .about-copy .section-title {
  margin: 0 0 22px;
  color: var(--about-ink);
  font-size: clamp(30px, 2.5vw, 38px);
  font-weight: 640;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.page-about .about-lead {
  margin: 0;
  max-width: 15em;
  color: #344239;
  font-size: clamp(21px, 1.85vw, 27px);
  font-weight: 560;
  line-height: 1.65;
  letter-spacing: -0.018em;
  text-wrap: balance;
}
.page-about .about-story {
  grid-area: story;
  min-width: 0;
  padding-left: 42px;
  border-left: 1px solid rgba(32, 115, 68, 0.16);
}
.page-about .about-story .section-desc {
  margin: 0;
  max-width: 68ch;
  color: #46554b;
  font-size: 15px;
  line-height: 1.9;
}
.page-about .about-milestones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 26px;
}
.page-about .about-milestone {
  min-width: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(32, 115, 68, 0.18);
}
.page-about .about-milestone time {
  display: block;
  margin-bottom: 6px;
  color: var(--about-green);
  font-size: 17px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}
.page-about .about-milestone span {
  display: block;
  color: var(--about-muted);
  font-size: 11px;
  line-height: 1.7;
}
.page-about .about-highlights {
  grid-area: highlights;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding-top: 24px;
  border-top: 1px solid rgba(32, 115, 68, 0.14);
}
.page-about .about-highlight {
  min-width: 0;
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: start;
  gap: 12px;
  padding: 1px 26px;
  color: #536058;
}
.page-about .about-highlight:first-child { padding-left: 0; }
.page-about .about-highlight + .about-highlight { border-left: 1px solid rgba(32, 115, 68, 0.12); }
.page-about .about-highlight svg { margin-top: 3px; color: var(--about-green); }
.page-about .about-highlight span { display: block; font-size: 12px; line-height: 1.72; }
.page-about .about-highlight strong {
  display: block;
  margin-bottom: 5px;
  color: var(--about-ink);
  font-size: 14px;
  font-weight: 620;
  line-height: 1.55;
}
.page-about .team-wrap { display: block; margin: 0; padding: 0; border: 0; }
.page-about .team-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--about-line);
}
.page-about .team-section-title {
  margin: 0;
  color: var(--about-ink);
  font-size: 30px;
  font-weight: 620;
  letter-spacing: -0.025em;
}
.page-about .team-heading p { margin: 8px 0 0; color: var(--about-muted); font-size: 13px; line-height: 1.75; }
.page-about .team-roster-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--about-muted);
  font-size: 11px;
  white-space: nowrap;
}
.page-about .team-roster-meta span { display: flex; align-items: baseline; gap: 5px; }
.page-about .team-roster-meta b {
  color: var(--about-green);
  font-size: 18px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}
.page-about .team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.page-about .team-card {
  min-width: 0;
  min-height: 116px;
  padding: 18px;
  border: 1px solid rgba(37, 62, 45, 0.07);
  border-radius: 15px;
  background: rgba(248, 250, 248, 0.9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.32s, box-shadow 0.32s, background 0.32s;
}
.page-about .team-head {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: center;
  gap: 15px;
}
.page-about .team-wrap .team-head > .portrait-frame {
  width: 76px;
  height: 76px;
  margin: 0;
  border-radius: 12px;
  background: #e9eeea;
  overflow: hidden;
}
.page-about .team-wrap .team-avatar {
  display: block;
  width: 100% !important;
  height: 100% !important;
  padding: 0 !important;
  border-radius: 0 !important;
  object-fit: cover !important;
  object-position: center 35% !important;
  transform: scale(1.01) !important;
  filter: saturate(0.92) contrast(0.99);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.32s !important;
}
.page-about .team-card > .team-head > div:last-child { min-width: 0; padding: 0; }
.page-about .team-name {
  margin: 0 0 5px;
  color: var(--about-ink);
  font-size: 17px;
  font-weight: 620;
  line-height: 1.35;
}
.page-about .team-role { color: var(--about-muted); font-size: 12px; line-height: 1.7; }
.page-about .team-card-open {
  border-style: dashed;
  background: rgba(247, 250, 247, 0.62);
}
.page-about .team-card-open .team-seat {
  position: relative;
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(32, 115, 68, 0.055), transparent 64%), #f1f6f2;
}
.page-about .team-card-open .team-seat::before {
  content: "";
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(32, 115, 68, 0.17);
  border-radius: 50%;
}
.page-about .team-seat span {
  position: relative;
  color: rgba(20, 84, 49, 0.58);
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.08em;
}
.page-about .team-card-open .team-name { color: #536058; }
.page-about .team-card-open .team-role { color: #7b857f; }

@media (hover: hover) and (pointer: fine) {
  .page-about .team-card:hover {
    transform: translateY(-3px);
    border-color: rgba(32, 115, 68, 0.17);
    background: #fff;
    box-shadow: 0 16px 30px -25px rgba(28, 61, 39, 0.48);
  }
  .page-about .team-card:hover .team-avatar {
    transform: scale(1.055) !important;
    filter: saturate(1) contrast(1) !important;
  }
}

@media (max-width: 1120px) {
  .page-about .about-copy { gap: 30px 46px; padding: 42px 40px 34px; }
  .page-about .about-story { padding-left: 36px; }
  .page-about .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .page-about .about-copy {
    grid-template-columns: 1fr;
    grid-template-areas: "intro" "story" "highlights";
    gap: 30px;
  }
  .page-about .about-lead { max-width: 20em; }
  .page-about .about-story {
    padding: 28px 0 0;
    border-top: 1px solid rgba(32, 115, 68, 0.14);
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .page-about #about { padding-top: 28px; }
  .page-about .page-lead { margin-bottom: 34px; }
  .page-about .page-lead h1 { font-size: 31px; }
  .page-about .about-layout { gap: 50px; }
  .page-about .about-copy { gap: 25px; padding: 30px 22px 26px; border-radius: 15px; }
  .page-about .about-copy .section-title { margin-bottom: 14px; font-size: 28px; }
  .page-about .about-lead { font-size: 21px; line-height: 1.6; }
  .page-about .about-story { padding-top: 23px; }
  .page-about .about-story .section-desc { font-size: 13px; line-height: 1.9; }
  .page-about .about-milestones { grid-template-columns: 1fr; gap: 0; margin-top: 22px; }
  .page-about .about-milestone {
    display: grid;
    grid-template-columns: 58px 1fr;
    align-items: baseline;
    gap: 12px;
    padding: 12px 0;
  }
  .page-about .about-milestone time { margin: 0; font-size: 15px; }
  .page-about .about-highlights { grid-template-columns: 1fr; gap: 0; padding-top: 18px; }
  .page-about .about-highlight,
  .page-about .about-highlight:first-child { padding: 14px 0; }
  .page-about .about-highlight + .about-highlight {
    border-top: 1px solid rgba(32, 115, 68, 0.1);
    border-left: 0;
  }
  .page-about .about-copy::after { display: none; }
  .page-about .team-heading { display: block; margin-bottom: 18px; padding-bottom: 16px; }
  .page-about .team-section-title { font-size: 25px; }
  .page-about .team-heading p { font-size: 12px; }
  .page-about .team-roster-meta { margin-top: 14px; gap: 16px; }
  .page-about .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .page-about .team-card { min-height: 154px; padding: 16px 12px; border-radius: 13px; }
  .page-about .team-head { grid-template-columns: 1fr; align-items: start; gap: 12px; }
  .page-about .team-wrap .team-head > .portrait-frame { width: 66px; height: 66px; border-radius: 11px; }
  .page-about .team-name { font-size: 15px; }
  .page-about .team-role { font-size: 11px; line-height: 1.7; }
  .page-about .team-card-open .team-seat::before { inset: 11px; }
}

@media (max-width: 360px) {
  .page-about .team-grid { grid-template-columns: 1fr; }
  .page-about .team-card { min-height: 0; }
  .page-about .team-head { grid-template-columns: 66px minmax(0, 1fr); align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .team-avatar { transition: none !important; }
}