.page-about {
  position: relative;
  color: var(--color-text);
  background: var(--color-pitch);
  overflow: clip;
}

.page-about .ba-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 5vw, 52px);
  background:
    radial-gradient(ellipse at 85% 0%, rgba(255, 215, 0, 0.10), transparent 46%),
    linear-gradient(180deg, var(--color-card) 0%, var(--color-pitch) 72%);
  border-bottom: 1px solid var(--color-line);
}

.page-about .ba-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 4%, var(--color-gold) 28%, var(--color-gold-warm) 60%, transparent 94%);
  opacity: 0.85;
}

.page-about .ba-hero-container {
  position: relative;
}

.page-about .ba-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--color-muted);
}

.page-about .ba-crumbs a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .ba-crumbs a:hover {
  color: var(--color-gold);
}

.page-about .ba-hero-inner {
  max-width: 640px;
}

.page-about .ba-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 4.5vw, 42px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.page-about .ba-lead {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: var(--color-muted);
}

.page-about .ba-trustline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 0;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-muted);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(22, 35, 29, 0.6);
}

.page-about .ba-live-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.14);
}

.page-about .ba-hero-float {
  display: none;
}

.page-about .ba-shell {
  display: block;
  padding: clamp(20px, 3vw, 48px) 0 0;
}

.page-about .ba-narrative {
  min-width: 0;
}

.page-about .ba-data-aside {
  margin-top: clamp(32px, 5vw, 56px);
}

.page-about .ba-section-head {
  margin-bottom: 26px;
}

.page-about .ba-section-head .eyebrow {
  letter-spacing: 0.08em;
}

.page-about .ba-section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .ba-story {
  margin-bottom: clamp(48px, 7vw, 72px);
}

.page-about .ba-story-media {
  position: relative;
  margin: 28px 0 30px;
}

.page-about .ba-story-media::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  width: 100%;
  height: 100%;
  border: 2px solid rgba(255, 215, 0, 0.4);
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.page-about .ba-story-media img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-field);
}

.page-about .ba-story-body {
  display: grid;
  gap: 16px;
}

.page-about .ba-story-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-muted);
}

.page-about .ba-quote {
  margin: 10px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--color-gold);
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.06), transparent 70%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
}

.page-about .ba-journey {
  margin-bottom: clamp(48px, 7vw, 72px);
}

.page-about .ba-timeline {
  position: relative;
  margin-top: 12px;
}

.page-about .ba-timeline::before {
  content: "";
  position: absolute;
  left: 101px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold) 0%, var(--color-gold-warm) 28%, var(--color-line) 82%);
  border-radius: 999px;
}

.page-about .ba-tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 76px 28px minmax(0, 1fr);
  column-gap: 12px;
  align-items: start;
}

.page-about .ba-tl-year {
  padding-top: 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  text-align: right;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.page-about .ba-tl-node {
  z-index: 1;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-card);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about .ba-tl-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
}

.page-about .ba-tl-card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin-bottom: 28px;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.page-about .ba-tl-card:hover {
  border-color: rgba(255, 215, 0, 0.45);
  background: var(--color-field);
  transform: translateY(-2px);
}

.page-about .ba-tl-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .ba-tl-card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-about .ba-tl-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-gold-warm);
  background: rgba(255, 215, 0, 0.06);
  border: 1px solid rgba(255, 215, 0, 0.22);
  border-radius: 999px;
  padding: 3px 10px;
  line-height: 1.4;
}

.page-about .ba-tl-figure {
  margin: 0 0 28px;
}

.page-about .ba-tl-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-field);
}

.page-about .ba-tl-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-muted);
}

.page-about .ba-honors {
  margin-bottom: 8px;
}

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

.page-about .ba-honor-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px 22px 20px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about .ba-honor-card:hover {
  border-color: rgba(255, 215, 0, 0.4);
  transform: translateY(-2px);
}

.page-about .ba-shield-wrap {
  margin-bottom: 14px;
}

.page-about .ba-honor-shield {
  width: 52px;
  height: 58px;
  display: block;
}

.page-about .ba-honor-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--color-text);
}

.page-about .ba-honor-card p {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-about .ba-honor-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-gold-warm);
  border: 1px solid rgba(255, 215, 0, 0.26);
  border-radius: 999px;
  padding: 3px 10px;
  line-height: 1.4;
}

.page-about .ba-data-aside {
  min-width: 0;
}

.page-about .ba-livecard {
  position: relative;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-about .ba-livecard::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-warm));
}

.page-about .ba-aside-head {
  margin-bottom: 4px;
}

.page-about .ba-aside-head .eyebrow {
  letter-spacing: 0.08em;
}

.page-about .ba-aside-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.3;
  color: var(--color-text);
}

.page-about .ba-dlist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 12px;
  margin: 22px 0 0;
}

.page-about .ba-ditem {
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 10px;
}

.page-about .ba-ditem dt {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 5px;
}

.page-about .ba-ditem dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.1;
}

.page-about .ba-num {
  font-size: 34px;
  color: var(--color-gold);
  letter-spacing: -0.03em;
}

.page-about .ba-unit {
  font-size: 14px;
  color: var(--color-gold-warm);
  margin-left: 3px;
  font-family: var(--font-mono);
}

.page-about .ba-freq {
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--color-line);
  display: grid;
  gap: 10px;
}

.page-about .ba-freq li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--color-muted);
}

.page-about .ba-freq-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  margin-top: 7px;
}

.page-about .ba-freq-dot.is-hot {
  background: var(--color-red);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.18);
}

.page-about .ba-aside-media {
  margin: 20px 0 0;
}

.page-about .ba-aside-media img {
  display: block;
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-field);
}

.page-about .ba-checklist {
  margin-top: 20px;
  background: rgba(22, 35, 29, 0.72);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
}

.page-about .ba-checklist h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--color-text);
}

.page-about .ba-checklist ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .ba-checklist li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-about .ba-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

.page-about .ba-coop {
  margin-top: 20px;
  background: var(--color-field);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 20px 22px 18px;
}

.page-about .ba-coop h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--color-text);
}

.page-about .ba-coop p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-about .ba-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-about .ba-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold-warm);
  border: 1px solid rgba(255, 170, 0, 0.28);
  border-radius: 999px;
  padding: 4px 12px;
  line-height: 1.4;
}

.page-about .ba-aside-nav {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-about .ba-aside-nav .btn {
  width: 100%;
  text-align: center;
  justify-content: center;
}

.page-about .ba-trust-banner {
  margin-top: clamp(48px, 8vw, 80px);
  border-top: 1px solid var(--color-line);
  background:
    linear-gradient(180deg, transparent, rgba(255, 215, 0, 0.04)),
    var(--color-card);
  padding: clamp(36px, 6vw, 64px) 0;
}

.page-about .ba-trust-banner p {
  max-width: 760px;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.6;
  color: var(--color-text);
}

@media (min-width: 720px) {
  .page-about .ba-honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ba-honor-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-about .ba-hero-float {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    right: 0;
    bottom: 40px;
    min-width: 200px;
    padding: 22px 26px;
    background: rgba(10, 20, 14, 0.72);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow);
    text-align: right;
  }

  .page-about .ba-float-num {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 30px;
    line-height: 1.1;
    color: var(--color-gold);
    letter-spacing: -0.02em;
  }

  .page-about .ba-float-label {
    font-size: 12px;
    color: var(--color-muted);
    margin-bottom: 8px;
    font-family: var(--font-mono);
  }

  .page-about .ba-hero-inner {
    max-width: 560px;
  }

  .page-about .ba-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    column-gap: clamp(28px, 5vw, 72px);
    align-items: start;
  }

  .page-about .ba-data-aside {
    margin-top: 0;
    position: sticky;
    top: 140px;
  }

  .page-about .ba-honor-grid {
    grid-template-columns: 1fr;
  }

  .page-about .ba-honor-card:last-child {
    grid-column: auto;
  }
}