.page-about {
  --about-container: 1180px;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 6%, rgba(42, 157, 143, 0.16), transparent 30%),
    var(--ob-deep-blue);
}

.page-about .ob-breadcrumb {
  max-width: var(--about-container);
  margin: 1.4rem auto 0;
  padding: 0 1.25rem;
  font-size: 0.86rem;
}

.page-about .about-intro-inner,
.page-about .about-journey-inner,
.page-about .about-team-inner,
.page-about .about-honors-inner,
.page-about .about-outro-inner {
  max-width: var(--about-container);
  margin-inline: auto;
}

.page-about .about-intro {
  position: relative;
  padding: 2.6rem 1.25rem 4rem;
  background:
    linear-gradient(115deg, rgba(61, 90, 128, 0.22) 0%, rgba(11, 31, 58, 0) 44%),
    radial-gradient(circle at 88% 16%, rgba(255, 107, 0, 0.12), transparent 28%);
}

.page-about .about-intro::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--ob-deep-blue) 0%, var(--ob-neon-green) 34%, var(--ob-orange) 78%, var(--ob-deep-blue) 100%);
  opacity: 0.9;
}

.page-about .about-intro-inner {
  display: grid;
  gap: 2.4rem;
  position: relative;
}

.page-about .about-intro-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 330px;
}

.page-about .about-intro-frame {
  position: relative;
  width: 230px;
  height: 230px;
  padding: 10px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--ob-deep-blue) 58%, transparent 60%),
    conic-gradient(from 140deg, var(--ob-neon-green), var(--ob-teal), var(--ob-orange), var(--ob-neon-green));
  box-shadow:
    0 0 0 10px rgba(11, 31, 58, 0.58),
    0 18px 40px rgba(0, 0, 0, 0.36);
}

.page-about .about-intro-logo {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: inset 0 0 0 4px rgba(57, 255, 20, 0.22);
}

.page-about .about-intro-since {
  position: absolute;
  right: 5%;
  bottom: 2%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: var(--ob-orange);
  color: var(--ob-deep-blue);
  font-weight: 800;
  font-size: 0.78rem;
  line-height: 1.12;
  text-align: center;
  letter-spacing: 0.08em;
  transform: rotate(8deg);
  box-shadow: 0 8px 22px rgba(255, 107, 0, 0.34);
}

.page-about .about-vtext {
  writing-mode: vertical-rl;
  font-family: var(--ob-font-serif);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--ob-neon-green);
  position: absolute;
  left: 0;
  top: 0.8rem;
  opacity: 0.8;
}

.page-about .about-intro-copy {
  position: relative;
  z-index: 1;
}

.page-about .about-kicker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 1.1rem;
  font-family: var(--ob-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--ob-orange);
  text-transform: uppercase;
}

.page-about .about-kicker span {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  background: rgba(255, 107, 0, 0.12);
  border-left: 3px solid var(--ob-orange);
  color: var(--ob-soft-white);
  font-family: var(--ob-font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-about .about-intro h1 {
  margin: 0 0 1.4rem;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--ob-soft-white);
}

.page-about .about-intro-lead {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ob-cream);
}

.page-about .about-intro-text {
  margin: 0;
  max-width: 34em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(248, 249, 250, 0.78);
}

.page-about .about-intro-data {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 1.6rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(57, 255, 20, 0.22);
}

.page-about .about-intro-stat {
  flex: 1 1 130px;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-about .about-intro-num {
  font-family: var(--ob-font-mono);
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  font-weight: 900;
  line-height: 1;
  color: var(--ob-neon-green);
}

.page-about .about-intro-label {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: rgba(248, 249, 250, 0.72);
}

.page-about .about-journey {
  position: relative;
  background: var(--ob-cream);
  color: var(--ob-deep-blue);
  padding: 3.6rem 1.25rem 3.4rem;
}

.page-about .about-journey::before {
  content: "历程";
  position: absolute;
  top: 2.6rem;
  right: 1rem;
  writing-mode: vertical-rl;
  font-family: var(--ob-font-serif);
  font-size: 4.6rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.2em;
  color: rgba(11, 31, 58, 0.06);
}

.page-about .about-kicker--dark {
  color: var(--ob-teal);
}

.page-about .about-kicker--dark span {
  background: rgba(42, 157, 143, 0.14);
  border-left-color: var(--ob-teal);
  color: var(--ob-deep-blue);
}

.page-about .about-journey h2,
.page-about .about-team h2,
.page-about .about-honors h2,
.page-about .about-privacy h2 {
  margin: 0 0 1.1rem;
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.page-about .about-journey h2 {
  color: var(--ob-deep-blue);
}

.page-about .about-journey-summary {
  margin: 0;
  max-width: 38em;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(11, 31, 58, 0.72);
}

.page-about .about-journey-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2.6rem;
  position: relative;
}

.page-about .about-journey-visual {
  position: relative;
}

.page-about .about-journey-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  border-radius: 4px 40px 4px 40px;
  object-fit: cover;
  box-shadow: 0 24px 40px rgba(11, 31, 58, 0.18);
}

.page-about .about-vtext--dark {
  color: var(--ob-deep-blue);
  opacity: 0.5;
  left: auto;
  right: -0.5rem;
  top: 1.4rem;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0.6rem 0 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 0.2rem;
  bottom: 0.6rem;
  width: 3px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--ob-orange) 0%, var(--ob-teal) 55%, var(--ob-neon-green) 100%);
  opacity: 0.75;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 2.4rem 2.6rem;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 0.16rem;
  top: 0.36rem;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: var(--ob-cream);
  border: 4px solid var(--ob-deep-blue);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.7);
}

.page-about .about-timeline-item:last-child {
  padding-bottom: 0.6rem;
}

.page-about .about-timeline-year {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-family: var(--ob-font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ob-deep-blue);
}

.page-about .about-timeline-card {
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(11, 31, 58, 0.1);
  border-left: 4px solid var(--ob-deep-blue);
  border-radius: 4px 16px 4px 16px;
  background: rgba(255, 255, 255, 0.7);
  transition: transform var(--ob-transition), box-shadow var(--ob-transition);
}

.page-about .about-timeline-item[data-revealed="true"] .about-timeline-card {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(11, 31, 58, 0.1);
}

.page-about .about-timeline-tag {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.18rem 0.55rem;
  border-radius: var(--ob-radius-sm);
  background: rgba(155, 34, 38, 0.08);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ob-wine);
}

.page-about .about-timeline-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ob-deep-blue);
}

.page-about .about-timeline-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(11, 31, 58, 0.75);
}

.page-about .about-journey-more {
  margin: 0.6rem 0 0;
  font-size: 0.95rem;
  color: rgba(11, 31, 58, 0.7);
}

.page-about .about-journey-more a {
  color: var(--ob-wine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-team {
  position: relative;
  padding: 3.6rem 1.25rem 4rem;
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 107, 0, 0.14), transparent 26%),
    var(--ob-deep-blue);
  color: var(--ob-soft-white);
}

.page-about .about-team h2 {
  color: var(--ob-soft-white);
}

.page-about .about-team-head {
  max-width: 720px;
}

.page-about .about-team-head > p:last-child {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(248, 249, 250, 0.75);
}

.page-about .about-team-visual {
  position: relative;
  max-width: 920px;
  margin-top: 2.4rem;
  overflow: hidden;
  border-radius: 20px 4px 20px 4px;
  box-shadow: 0 28px 48px rgba(0, 0, 0, 0.32);
}

.page-about .about-team-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid rgba(57, 255, 20, 0.28);
  border-radius: inherit;
}

.page-about .about-team-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-about .about-team-cols {
  display: grid;
  gap: 1.4rem;
  margin-top: 2.4rem;
}

.page-about .about-team-col {
  position: relative;
  padding: 1.6rem 1.4rem 1.8rem;
  border-radius: 18px 4px 18px 4px;
  background: rgba(61, 90, 128, 0.26);
  border: 1px solid rgba(61, 90, 128, 0.6);
}

.page-about .about-team-col--tech {
  background: linear-gradient(150deg, rgba(42, 157, 143, 0.24), rgba(61, 90, 128, 0.12));
  border-color: rgba(42, 157, 143, 0.45);
}

.page-about .about-team-col--support {
  background: linear-gradient(150deg, rgba(61, 90, 128, 0.36), rgba(11, 31, 58, 0.1));
}

.page-about .about-team-col--op {
  background: linear-gradient(150deg, rgba(255, 107, 0, 0.16), rgba(11, 31, 58, 0.1));
  border-color: rgba(255, 107, 0, 0.32);
}

.page-about .about-team-col-num {
  display: block;
  margin-bottom: 0.7rem;
  font-family: var(--ob-font-mono);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--ob-neon-green);
}

.page-about .about-team-col--op .about-team-col-num {
  color: var(--ob-orange);
}

.page-about .about-team-col h3 {
  margin: 0 0 0.6rem;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ob-soft-white);
}

.page-about .about-team-col p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(248, 249, 250, 0.72);
}

.page-about .about-honors {
  position: relative;
  padding: 3.6rem 1.25rem 4.4rem;
  background:
    radial-gradient(circle at 0% 20%, rgba(42, 157, 143, 0.18), transparent 36%),
    #081728;
  color: var(--ob-soft-white);
}

.page-about .about-honors h2 {
  color: var(--ob-soft-white);
}

.page-about .about-honors-head p:not(.about-kicker) {
  margin: 0;
  max-width: 36em;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(248, 249, 250, 0.72);
}

.page-about .about-honors-grid {
  display: grid;
  gap: 1.4rem;
  margin-top: 2.6rem;
}

.page-about .about-honor-card {
  position: relative;
  padding: 2.2rem 1.6rem 2.6rem;
  overflow: hidden;
  border-radius: 24px 6px 24px 6px;
  color: var(--ob-soft-white);
  box-shadow: 0 24px 40px rgba(0, 0, 0, 0.28);
}

.page-about .about-honor-card::after {
  content: "";
  position: absolute;
  left: -32px;
  bottom: -32px;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.page-about .about-honor-card--indigo {
  background: linear-gradient(150deg, #3D5A80, #274060);
}

.page-about .about-honor-card--teal {
  background: linear-gradient(150deg, #2A9D8F, #1E6B62);
  color: #062A26;
}

.page-about .about-honor-card--wine {
  background: linear-gradient(150deg, #9B2226, #641417);
}

.page-about .about-honor-card strong {
  display: block;
  margin: 0.8rem 0 1rem;
  font-family: var(--ob-font-mono);
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  line-height: 1;
}

.page-about .about-honor-card--indigo strong {
  color: var(--ob-neon-green);
}

.page-about .about-honor-card--teal strong {
  color: #062A26;
}

.page-about .about-honor-card--wine strong {
  color: var(--ob-yellow);
}

.page-about .about-honor-label {
  display: inline-block;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-family: var(--ob-font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ob-soft-white);
}

.page-about .about-honor-card--teal .about-honor-label {
  background: rgba(6, 42, 38, 0.16);
  color: #062A26;
}

.page-about .about-honor-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.page-about .about-honor-card--teal p {
  color: rgba(6, 42, 38, 0.78);
}

.page-about .about-privacy {
  padding: 3.6rem 1.25rem 4rem;
  background: var(--ob-dark-green);
  color: var(--ob-soft-white);
}

.page-about .about-privacy-inner {
  max-width: var(--about-container);
  margin-inline: auto;
  position: relative;
  padding: 2.4rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px 6px 30px 6px;
  background: rgba(11, 31, 58, 0.55);
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.22);
}

.page-about .about-privacy h2 {
  color: var(--ob-soft-white);
}

.page-about .about-privacy p {
  max-width: 44em;
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(248, 249, 250, 0.76);
}

.page-about .about-privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-privacy .ob-btn--ghost {
  border-color: rgba(248, 249, 250, 0.32);
  color: var(--ob-soft-white);
}

.page-about .about-outro {
  padding: 3.6rem 1.25rem 4rem;
  background:
    linear-gradient(180deg, rgba(57, 255, 20, 0.05), transparent 22%),
    var(--ob-deep-blue);
  color: var(--ob-soft-white);
}

.page-about .about-outro-claim {
  max-width: 22em;
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ob-neon-green);
}

.page-about .about-outro-note {
  margin: 0 0 1.8rem;
  font-size: 0.95rem;
  color: rgba(248, 249, 250, 0.72);
}

.page-about .about-outro-note a {
  color: var(--ob-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 680px) {
  .page-about .about-intro-inner {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 2.8rem;
    align-items: center;
  }

  .page-about .about-intro-media {
    min-height: 380px;
  }

  .page-about .about-intro-frame {
    width: 280px;
    height: 280px;
  }

  .page-about .about-intro-data {
    gap: 1.4rem 2rem;
  }

  .page-about .about-intro-stat {
    flex-basis: 140px;
  }

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

@media (min-width: 1024px) {
  .page-about .about-intro,
  .page-about .about-journey,
  .page-about .about-team,
  .page-about .about-honors,
  .page-about .about-privacy,
  .page-about .about-outro {
    padding-left: 0;
    padding-right: 0;
  }

  .page-about .about-intro {
    padding-top: 3.6rem;
    padding-bottom: 5rem;
  }

  .page-about .about-intro-frame {
    width: 300px;
    height: 300px;
  }

  .page-about .about-intro-since {
    right: 8%;
  }

  .page-about .about-journey,
  .page-about .about-team,
  .page-about .about-honors,
  .page-about .about-privacy,
  .page-about .about-outro {
    padding-top: 5rem;
    padding-bottom: 5.4rem;
  }

  .page-about .about-journey-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3rem;
    margin-top: 3rem;
  }

  .page-about .about-journey-visual img {
    min-height: 100%;
  }

  .page-about .about-team-head {
    max-width: 46%;
  }

  .page-about .about-team-visual {
    margin-top: 2rem;
    margin-left: auto;
  }

  .page-about .about-team-cols {
    gap: 1.6rem;
    margin-top: 2.6rem;
    grid-template-columns: 1.35fr 1fr 1.1fr;
  }

  .page-about .about-honors-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    column-gap: 1.8rem;
    margin-top: 3rem;
    align-items: start;
  }

  .page-about .about-honor-card--indigo {
    transform: rotate(0.6deg);
  }

  .page-about .about-honor-card--teal {
    margin-top: 3rem;
    transform: rotate(1.2deg);
  }

  .page-about .about-honor-card--wine {
    margin-top: 1.2rem;
    transform: rotate(-1deg);
  }

  .page-about .about-privacy-inner {
    padding: 3rem 3.4rem;
  }
}

@media (max-width: 640px) {
  .page-about .about-intro-media .about-vtext,
  .page-about .about-journey-visual .about-vtext {
    display: none;
  }
}