.page-about {
  --about-bg: #0B1D3A;
  --about-indigo: #102A4C;
  --about-gold: #D4AF37;
  --about-gold-bright: #F2C94C;
  --about-red: #D7263D;
  --about-soft: #2D5A88;
  --about-paper: #F5F0E8;
  --about-ink: #0A1423;
  --about-charcoal: #1E2432;
  --about-border: 1px solid rgba(212, 175, 55, 0.35);
  --about-radius: 12px;

  background-color: var(--about-bg);
  color: rgba(245, 240, 232, 0.88);
  font-family: var(--font-body, "Noto Serif SC", serif);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about ::selection {
  background: rgba(212, 175, 55, 0.3);
  color: var(--about-paper);
}

.page-about .container {
  max-width: var(--container-max, 1320px);
  margin: 0 auto;
  padding-left: var(--gutter, 1.2rem);
  padding-right: var(--gutter, 1.2rem);
  width: 100%;
  box-sizing: border-box;
}

.page-about a {
  color: var(--about-gold);
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease;
}

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

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-heading, "Noto Sans SC", "Microsoft YaHei", sans-serif);
  color: var(--about-paper);
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

.page-about p {
  margin: 0 0 1rem;
}

.page-about .breadcrumbs {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(245, 240, 232, 0.55);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-about .breadcrumbs a:hover {
  color: var(--about-gold-bright);
}

.page-about .breadcrumbs__sep {
  opacity: 0.5;
}

.page-about .breadcrumbs span[aria-current="page"] {
  color: var(--about-gold);
}

/* ===== Cover / 封面跨页 ===== */
.page-about .about-cover {
  position: relative;
  padding: var(--space-lg, 3rem) 0 var(--space-xl, 5rem);
  background:
    radial-gradient(ellipse at 82% 20%, rgba(212, 175, 55, 0.14) 0%, transparent 52%),
    linear-gradient(180deg, rgba(16, 42, 76, 0.9) 0%, var(--about-bg) 100%);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.page-about .about-cover__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg, 3rem);
  align-items: center;
}

.page-about .about-cover__content {
  position: relative;
  z-index: 2;
}

.page-about .about-cover__kicker {
  display: inline-block;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--about-gold);
  border-left: 3px solid var(--about-gold);
  padding-left: 0.9rem;
  margin-bottom: 1.4rem;
}

.page-about .about-cover__title {
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.12;
  margin-bottom: 0.6rem;
}

.page-about .about-cover__subtitle {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  color: rgba(245, 240, 232, 0.75);
  margin-bottom: 1.4rem;
}

.page-about .about-cover__rule {
  width: 76px;
  height: 3px;
  background: linear-gradient(90deg, var(--about-gold), var(--about-gold-bright));
  margin-bottom: 1.6rem;
  border-radius: 2px;
}

.page-about .about-cover__lead {
  font-size: var(--fs-lead, 1.2rem);
  color: rgba(245, 240, 232, 0.82);
  max-width: 34em;
  margin-bottom: 2rem;
}

.page-about .about-cover__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(212, 175, 55, 0.25);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--about-radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.page-about .about-cover__stat {
  background: rgba(11, 29, 58, 0.94);
  padding: 1.1rem 1rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.page-about .about-cover__num {
  font-family: var(--font-mono, "JetBrains Mono", "Courier New", monospace);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1.1;
}

.page-about .about-cover__unit {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.82rem;
  color: rgba(245, 240, 232, 0.55);
}

.page-about .about-cover__label {
  display: block;
  width: 100%;
  font-size: var(--fs-micro, 0.78rem);
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  letter-spacing: 0.04em;
  color: rgba(245, 240, 232, 0.6);
  text-transform: uppercase;
}

.page-about .about-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.page-about .about-cover__visual {
  position: relative;
}

.page-about .about-cover__frame {
  position: relative;
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: var(--radius-lg, 18px);
  overflow: hidden;
  padding: 0.6rem;
  background: rgba(16, 42, 76, 0.5);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.page-about .about-cover__frame::before {
  content: "";
  position: absolute;
  inset: 0.6rem;
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 12px;
  pointer-events: none;
  z-index: 1;
}

.page-about .about-cover__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  object-fit: cover;
}

.page-about .about-cover__frame-tag {
  position: absolute;
  bottom: 1.4rem;
  right: 1.4rem;
  z-index: 2;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--about-gold-bright);
  background: rgba(11, 29, 58, 0.85);
  padding: 0.32rem 0.7rem;
  border-radius: 3px;
  border: 1px solid rgba(212, 175, 55, 0.4);
}

/* ===== Brand Story / 品牌叙事 ===== */
.page-about .about-brand {
  position: relative;
  padding: var(--space-xl, 5rem) 0;
  background:
    linear-gradient(rgba(11, 29, 58, 0.9), rgba(11, 29, 58, 0.9)),
    repeating-linear-gradient(45deg, rgba(212, 175, 55, 0.03) 0 2px, transparent 2px 12px);
}

.page-about .about-brand__head {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  padding-bottom: 1.5rem;
}

.page-about .about-brand__index {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--about-gold);
  opacity: 0.85;
  line-height: 1;
}

.page-about .about-brand__heading h2,
.page-about .about-map__heading h2,
.page-about .about-guarantee__heading h2,
.page-about .about-recognition__heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.page-about .about-brand__heading p,
.page-about .about-map__heading p,
.page-about .about-guarantee__heading p,
.page-about .about-recognition__heading p {
  color: rgba(245, 240, 232, 0.6);
  font-size: 0.95rem;
  margin: 0;
}

.page-about .about-brand__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

.page-about .about-brand__col {
  background: rgba(16, 42, 76, 0.55);
  border: 1px solid rgba(45, 90, 136, 0.45);
  border-radius: var(--about-radius);
  padding: 1.8rem;
  position: relative;
}

.page-about .about-brand__col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--about-gold), transparent 60%);
  border-radius: 3px 3px 0 0;
}

.page-about .about-brand__col h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--about-gold);
  margin-bottom: 0.8rem;
}

.page-about .about-brand__col p {
  font-size: 0.98rem;
  color: rgba(245, 240, 232, 0.82);
}

.page-about .about-brand__note {
  border-left: 3px solid var(--about-gold);
  padding-left: 0.9rem;
  color: rgba(245, 240, 232, 0.7) !important;
  font-size: 0.9rem !important;
}

/* ===== Milestones / 发展里程碑 ===== */
.page-about .about-milestones {
  padding: var(--space-xl, 5rem) 0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(212, 175, 55, 0.08), transparent 50%),
    var(--about-ink);
  border-top: 1px solid rgba(212, 175, 55, 0.18);
  border-bottom: 1px solid rgba(212, 175, 55, 0.18);
}

.page-about .about-milestones__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg, 3rem);
}

.page-about .about-milestones__aside {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.page-about .about-milestones__eyebrow {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--about-gold);
  text-transform: uppercase;
  margin: 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  padding-bottom: 0.6rem;
}

.page-about .about-milestones__nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .about-milestones__nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.9rem;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.86rem;
  color: rgba(245, 240, 232, 0.65);
  border: 1px solid rgba(45, 90, 136, 0.5);
  border-radius: 6px;
  background: rgba(16, 42, 76, 0.4);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.page-about .about-milestones__nav-link span {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.72rem;
  color: var(--about-gold);
}

.page-about .about-milestones__nav-link:hover {
  border-color: var(--about-gold);
  color: var(--about-paper);
}

.page-about .about-milestones__nav-link.is-current {
  border-color: var(--about-gold);
  color: var(--about-paper);
  background: rgba(212, 175, 55, 0.08);
}

.page-about .about-milestones__aside-card {
  background: rgba(16, 42, 76, 0.75);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: var(--about-radius);
  padding: 1.3rem;
}

.page-about .about-milestones__aside-version {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 1.8rem;
  color: var(--about-gold-bright);
  margin: 0.5rem 0 0.3rem;
  line-height: 1.1;
}

.page-about .about-milestones__aside-note {
  font-size: 0.85rem;
  color: rgba(245, 240, 232, 0.6);
  margin-bottom: 1rem;
}

.page-about .about-milestones__aside-visual {
  border-radius: var(--about-radius);
  overflow: hidden;
  border: 1px solid rgba(45, 90, 136, 0.4);
  max-height: 220px;
}

.page-about .about-milestones__aside-visual img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.page-about .about-milestones__main {
  min-width: 0;
}

.page-about .about-milestones__head {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 2.2rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  padding-bottom: 1.4rem;
}

.page-about .about-milestones__index {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1;
  opacity: 0.85;
}

.page-about .about-milestones__head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.page-about .about-milestones__head p {
  color: rgba(245, 240, 232, 0.6);
  font-size: 0.95rem;
  margin: 0;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--about-gold), rgba(212, 175, 55, 0.15));
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 1.8rem 2.6rem;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--about-bg);
  border: 3px solid var(--about-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .about-timeline__item:hover::before {
  transform: scale(1.2);
  box-shadow: 0 0 0 8px rgba(212, 175, 55, 0.12);
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.9rem;
  color: var(--about-gold-bright);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 4px;
  padding: 0.1rem 0.65rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.06em;
}

.page-about .about-timeline__content {
  background: rgba(16, 42, 76, 0.5);
  border: 1px solid rgba(45, 90, 136, 0.4);
  border-radius: var(--about-radius);
  padding: 1.1rem 1.2rem;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}

.page-about .about-timeline__item:hover .about-timeline__content {
  border-color: rgba(212, 175, 55, 0.45);
  background: rgba(16, 42, 76, 0.8);
  transform: translateX(4px);
}

.page-about .about-timeline__content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--about-paper);
  margin-bottom: 0.4rem;
}

.page-about .about-timeline__content p {
  font-size: 0.92rem;
  color: rgba(245, 240, 232, 0.75);
  margin: 0;
}

.page-about .about-version {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  background: rgba(10, 20, 35, 0.8);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-lg, 18px);
  overflow: hidden;
  margin-top: 2.5rem;
}

.page-about .about-version__visual {
  min-height: 200px;
}

.page-about .about-version__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 260px;
  object-fit: cover;
}

.page-about .about-version__content {
  padding: 1.6rem;
}

.page-about .about-version__content h3 {
  font-size: 1.25rem;
  margin: 0.6rem 0 0.6rem;
}

.page-about .about-version__content p {
  font-size: 0.94rem;
  color: rgba(245, 240, 232, 0.78);
}

.page-about .about-version__list {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
}

.page-about .about-version__list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.9rem;
  color: rgba(245, 240, 232, 0.75);
  margin-bottom: 0.45rem;
}

.page-about .about-version__list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--about-gold);
  font-size: 0.8rem;
}

/* ===== Map / 业务版图 ===== */
.page-about .about-map {
  padding: var(--space-xl, 5rem) 0;
  background: var(--about-bg);
}

.page-about .about-map__head {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  padding-bottom: 1.5rem;
}

.page-about .about-map__index {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1;
  opacity: 0.85;
}

.page-about .about-map__visual {
  margin-bottom: 2rem;
  border: 1px solid rgba(45, 90, 136, 0.35);
  border-radius: var(--about-radius);
  overflow: hidden;
  background: rgba(16, 42, 76, 0.35);
}

.page-about .about-map__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-about .about-map__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.page-about .about-map__card {
  position: relative;
  background: rgba(16, 42, 76, 0.6);
  border: 1px solid rgba(45, 90, 136, 0.5);
  border-radius: var(--about-radius);
  padding: 1.6rem 1.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-about .about-map__card:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 175, 55, 0.5);
  background: rgba(16, 42, 76, 0.85);
}

.page-about .about-map__card::after {
  content: attr(data-index);
  position: absolute;
  top: 0;
  right: 1rem;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 4.5rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.14);
  pointer-events: none;
}

.page-about .about-map__card .tag {
  display: inline-block;
  margin-bottom: 0.8rem;
}

.page-about .about-map__card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.page-about .about-map__card p {
  font-size: 0.93rem;
  color: rgba(245, 240, 232, 0.76);
  margin-bottom: 1rem;
}

.page-about .about-map__link {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--about-gold);
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  padding-bottom: 2px;
}

.page-about .about-map__link:hover {
  color: var(--about-gold-bright);
  border-color: var(--about-gold-bright);
}

/* ===== Guarantee / 数据与服务保障 ===== */
.page-about .about-guarantee {
  padding: var(--space-xl, 5rem) 0;
  background:
    linear-gradient(180deg, rgba(10, 20, 35, 0.6), rgba(10, 20, 35, 0.9)),
    repeating-linear-gradient(90deg, rgba(212, 175, 55, 0.04) 0 1px, transparent 1px 40px);
  border-top: 1px solid rgba(212, 175, 55, 0.18);
}

.page-about .about-guarantee__head {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  padding-bottom: 1.5rem;
}

.page-about .about-guarantee__index {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1;
  opacity: 0.85;
}

.page-about .about-guarantee__board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

.page-about .about-guarantee__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.page-about .about-guarantee__stat {
  background: rgba(16, 42, 76, 0.6);
  border: 1px solid rgba(45, 90, 136, 0.45);
  border-radius: 10px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-about .about-guarantee__stat:hover {
  border-color: rgba(212, 175, 55, 0.45);
  transform: translateY(-3px);
}

.page-about .about-guarantee__num {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1.15;
  margin-bottom: 0.25rem;
}

.page-about .about-guarantee__unit {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 0.82rem;
  color: rgba(245, 240, 232, 0.55);
  margin-bottom: 0.25rem;
}

.page-about .about-guarantee__label {
  font-size: var(--fs-micro, 0.78rem);
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  letter-spacing: 0.04em;
  color: rgba(245, 240, 232, 0.6);
}

.page-about .about-guarantee__note {
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--about-radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.page-about .about-guarantee__note p {
  font-size: 0.95rem;
  color: rgba(245, 240, 232, 0.8);
  margin: 0;
}

.page-about .about-guarantee__note .site-btn {
  align-self: flex-start;
}

/* ===== Recognition / 行业与用户认可 ===== */
.page-about .about-recognition {
  padding: var(--space-xl, 5rem) 0 var(--space-2xl, 8rem);
  background: var(--about-bg);
}

.page-about .about-recognition__head {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  padding-bottom: 1.5rem;
}

.page-about .about-recognition__index {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1;
  opacity: 0.85;
}

.page-about .about-recognition__board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .about-recognition__content {
  background: rgba(16, 42, 76, 0.55);
  border: 1px solid rgba(45, 90, 136, 0.45);
  border-radius: var(--about-radius);
  padding: 1.8rem;
}

.page-about .about-recognition__content p {
  font-size: 0.96rem;
  color: rgba(245, 240, 232, 0.8);
}

.page-about .about-recognition__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.page-about .about-recognition__stat-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.page-about .about-recognition__stat {
  background: rgba(16, 42, 76, 0.8);
  border: 1px solid rgba(212, 175, 55, 0.28);
  border-radius: 10px;
  padding: 1.4rem 1.2rem;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.page-about .about-recognition__stat:hover {
  transform: translateY(-4px);
  border-color: var(--about-gold);
}

.page-about .about-recognition__num {
  display: block;
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1.15;
  margin-bottom: 0.4rem;
}

.page-about .about-recognition__label {
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: var(--fs-micro, 0.78rem);
  letter-spacing: 0.06em;
  color: rgba(245, 240, 232, 0.6);
  text-transform: uppercase;
}

/* ===== Shared overrides within page ===== */
.page-about .site-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #D4AF37, #F2C94C);
  color: #0B1D3A;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.72rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.page-about .site-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(212, 175, 55, 0.25);
  background: linear-gradient(135deg, #F2C94C, #D4AF37);
  color: #0B1D3A;
}

.page-about .site-btn--ghost {
  background: transparent;
  color: var(--about-gold);
  border: 1px solid rgba(212, 175, 55, 0.5);
}

.page-about .site-btn--ghost:hover {
  background: rgba(212, 175, 55, 0.08);
  box-shadow: none;
  color: var(--about-gold-bright);
  border-color: var(--about-gold-bright);
}

.page-about .tag {
  display: inline-block;
  font-family: var(--font-heading, "Noto Sans SC", sans-serif);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: 3px;
  text-transform: uppercase;
}

.page-about .tag--gold {
  background: rgba(212, 175, 55, 0.15);
  color: var(--about-gold-bright);
  border: 1px solid rgba(212, 175, 55, 0.4);
}

.page-about .tag--soft {
  background: rgba(45, 90, 136, 0.2);
  color: rgba(245, 240, 232, 0.7);
  border: 1px solid rgba(45, 90, 136, 0.5);
}

/* ===== Reveal transitions ===== */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-about [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Desktop ≥ 768px ===== */
@media (min-width: 768px) {
  .page-about .about-cover__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--space-lg, 3rem);
  }

  .page-about .about-cover__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-cover__stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }

  .page-about .about-cover__label {
    width: auto;
  }

  .page-about .about-brand__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem;
  }

  .page-about .about-milestones__layout {
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-milestones__nav {
    flex-direction: column;
  }

  .page-about .about-milestones__nav-link {
    justify-content: flex-start;
    width: 100%;
  }

  .page-about .about-milestones__aside-visual img {
    height: 260px;
  }

  .page-about .about-map__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
  }

  .page-about .about-guarantee__board {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }

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

  .page-about .about-recognition__board {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
  }

  .page-about .about-version {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
  }

  .page-about .about-version__visual img {
    height: 100%;
    min-height: 260px;
    max-height: none;
  }
}

/* ===== Desktop ≥ 1200px ===== */
@media (min-width: 1200px) {
  .page-about .about-cover {
    padding-top: var(--space-xl, 5rem);
  }

  .page-about .about-cover__grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 4rem;
  }

  .page-about .about-milestones__layout {
    grid-template-columns: 320px 1fr;
    gap: 3.5rem;
  }
}