.page-about {
  --about-line-grad: linear-gradient(90deg, #3E7D5A 0%, #00C2D1 50%, #D4A72C 100%);
  --about-ink-dim: rgba(16, 35, 43, 0.62);
  --about-card-bg: #FFFFFF;
  background-image:
    radial-gradient(circle at 78% 18%, rgba(0, 194, 209, 0.06) 0, transparent 180px),
    radial-gradient(circle at 8% 58%, rgba(62, 125, 90, 0.08) 0, transparent 220px);
  color: #10232B;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .container-wide {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.page-about .grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(12px, 2vw, 28px);
}

.page-about .grid-col-3 {
  grid-column: span 12;
}

.page-about .grid-col-9 {
  grid-column: span 12;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-weight: 900;
  color: #10232B;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-about h1 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 12px 0 20px;
}

.page-about h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  margin-bottom: 20px;
}

.page-about h3 {
  font-size: clamp(16px, 1.6vw, 20px);
  margin-bottom: 8px;
}

.page-about p {
  font-size: 15px;
  color: #334952;
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-about .about-section-title {
  position: relative;
  padding-bottom: 14px;
}

.page-about .about-section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--about-line-grad);
  border-radius: 2px;
}

.page-about .section-tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #1F6FEB;
  text-transform: uppercase;
}

.page-about .section-tag::before {
  content: "";
  width: 28px;
  height: 2px;
  background: #00C2D1;
  margin-right: 10px;
  display: inline-block;
}

.page-about .mileage-label {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  color: #00C2D1;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border: 1px solid rgba(0, 194, 209, 0.4);
  border-radius: 999px;
  background: rgba(0, 194, 209, 0.06);
  white-space: nowrap;
}

.page-about .about-breadcrumb {
  padding-block: 24px 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #557A8C;
}

.page-about .about-breadcrumb a {
  color: #557A8C;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .about-breadcrumb a:hover {
  color: #1F6FEB;
}

.page-about .about-breadcrumb__sep {
  display: inline-block;
  margin-inline: 2px;
  color: #B0C0C7;
}

.page-about .about-hero {
  padding-block: 48px 72px;
}

.page-about .about-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 6px;
}

.page-about .about-hero__aside-line {
  display: block;
  width: 1px;
  height: 88px;
  background: linear-gradient(to bottom, #00C2D1, #3E7D5A);
  margin-left: 18px;
}

.page-about .about-hero__aside-text {
  font-size: 13px;
  font-weight: 600;
  color: #3E7D5A;
  line-height: 1.6;
  letter-spacing: 0.06em;
}

.page-about .about-hero__main {
  padding-left: clamp(0px, 2vw, 20px);
}

.page-about .about-hero__lead {
  font-size: clamp(16px, 1.4vw, 19px);
  color: #557A8C;
  font-weight: 400;
  line-height: 1.7;
  max-width: 640px;
  margin-top: 8px;
}

.page-about .about-hero__main .bracket-frame {
  position: relative;
}

.page-about .about-origin {
  padding-block: 0 72px;
}

.page-about .about-origin__aside,
.page-about .about-milestone__aside,
.page-about .about-culture__aside,
.page-about .about-honor__aside,
.page-about .about-team__aside,
.page-about .about-trust__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  position: relative;
  padding-left: 4px;
}

.page-about .about-origin__index,
.page-about .about-milestone__index,
.page-about .about-culture__index,
.page-about .about-honor__index,
.page-about .about-team__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 700;
  color: #3E7D5A;
  background: #E0E6E5;
  border: 2px solid rgba(62, 125, 90, 0.3);
  margin-bottom: 8px;
}

.page-about .about-origin__caption,
.page-about .about-milestone__caption,
.page-about .about-culture__caption,
.page-about .about-honor__caption,
.page-about .about-team__caption,
.page-about .about-trust__caption {
  font-size: 13px;
  font-weight: 700;
  color: #3E7D5A;
  letter-spacing: 0.14em;
  writing-mode: horizontal-tb;
  padding-left: 4px;
  border-left: 2px solid #00C2D1;
  padding-left: 8px;
  line-height: 1.4;
}

.page-about .about-origin__body {
  padding-left: clamp(0px, 2vw, 20px);
}

.page-about .about-origin__quote {
  margin: 28px 0 0;
  padding: 20px 24px;
  border-left: 4px solid #D4A72C;
  background: #F5F2E8;
  font-size: 16px;
  font-weight: 600;
  color: #10232B;
  line-height: 1.75;
  border-radius: 0 12px 12px 0;
  font-family: "Noto Sans SC", sans-serif;
}

.page-about .about-milestone {
  padding-block: 0 88px;
}

.page-about .about-milestone__tip {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 18px;
  padding: 12px 14px;
  background: rgba(31, 111, 235, 0.06);
  border-radius: 10px;
  max-width: 220px;
}

.page-about .about-milestone__tip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #1F6FEB;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.page-about .about-milestone__tip-text {
  font-size: 12px;
  color: #557A8C;
  line-height: 1.6;
}

.page-about .about-milestone__body {
  padding-left: clamp(0px, 2vw, 20px);
}

.page-about .about-milestone__intro {
  max-width: 560px;
  margin-bottom: 40px;
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-timeline__line {
  display: none;
}

.page-about .about-timeline__item {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 22px 20px;
  box-shadow: 0 2px 12px rgba(16, 35, 43, 0.05);
  border: 1px solid rgba(16, 35, 43, 0.05);
  position: relative;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.page-about .about-timeline__item:hover,
.page-about .about-timeline__item:focus-within {
  box-shadow: 0 8px 28px rgba(16, 35, 43, 0.09);
  transform: translateY(-2px);
}

.page-about .about-timeline__node-wrap {
  margin-bottom: 10px;
}

.page-about .about-timeline__node-dot {
  display: inline-flex;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #3E7D5A;
  border: 3px solid #E0E6E5;
  box-shadow: 0 0 0 2px rgba(62, 125, 90, 0.25);
}

.page-about .about-timeline__node-dot--cyan {
  background: #00C2D1;
  box-shadow: 0 0 0 2px rgba(0, 194, 209, 0.25);
}

.page-about .about-timeline__node-dot--gold {
  background: #D4A72C;
  box-shadow: 0 0 0 2px rgba(212, 167, 44, 0.25);
}

.page-about .about-timeline__card h3 {
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-timeline__card h3::before {
  content: attr(data-num);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  padding: 2px 8px;
  border-radius: 6px;
  background: #3E7D5A;
}

.page-about .about-timeline__item--v1 .about-timeline__card h3::before {
  background: #3E7D5A;
}

.page-about .about-timeline__item--v2 .about-timeline__card h3::before {
  background: #00C2D1;
}

.page-about .about-timeline__item--v3 .about-timeline__card h3::before {
  background: #D4A72C;
}

.page-about .about-timeline__card ul {
  margin: 12px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid rgba(16, 35, 43, 0.06);
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.page-about .about-timeline__card li {
  font-size: 13px;
  color: #557A8C;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding-left: 20px;
  position: relative;
}

.page-about .about-timeline__card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.7em;
  width: 6px;
  height: 2px;
  background: #00C2D1;
  border-radius: 2px;
}

.page-about .about-milestone__note {
  margin-top: 32px;
  padding: 16px 20px;
  background: #EEF4F6;
  border-radius: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .about-milestone__note-label {
  font-size: 12px;
  font-weight: 700;
  color: #3E7D5A;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(62, 125, 90, 0.12);
  white-space: nowrap;
}

.page-about .about-milestone__note-value {
  font-size: 14px;
  color: #10232B;
  font-weight: 600;
}

.page-about .about-culture {
  background: linear-gradient(rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.96)),
    url("{zhanqunpic:h:600w:800}");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-block: 72px;
}

.page-about .about-culture__index {
  background: #3E7D5A;
  color: #fff;
  border-color: #3E7D5A;
}

.page-about .about-culture__aside-tag {
  font-size: 12px;
  color: #557A8C;
  border: 1px dashed #B0C0C7;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
}

.page-about .about-culture__body {
  padding-left: clamp(0px, 2vw, 20px);
}

.page-about .about-culture__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-about .about-culture__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 4px 24px rgba(16, 35, 43, 0.08);
}

.page-about .about-honor {
  padding-block: 72px 88px;
}

.page-about .about-honor__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #D4A72C, #8C6914);
  color: #fff;
  font-size: 20px;
  margin-top: 14px;
  box-shadow: 0 4px 12px rgba(212, 167, 44, 0.3);
}

.page-about .about-honor__body {
  padding-left: clamp(0px, 2vw, 20px);
}

.page-about .about-honor__intro {
  color: #557A8C;
  font-size: 16px;
  margin-bottom: 28px;
}

.page-about .about-honor__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-about .about-honor__card {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 24px 22px;
  border: 1px solid rgba(16, 35, 43, 0.06);
  box-shadow: 0 2px 10px rgba(16, 35, 43, 0.04);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-honor__card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64px;
  height: 64px;
  border-radius: 0 0 0 64px;
  background: linear-gradient(135deg, transparent 50%, rgba(212, 167, 44, 0.12) 50%);
}

.page-about .about-honor__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(16, 35, 43, 0.08);
}

.page-about .about-honor__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  background: rgba(62, 125, 90, 0.1);
  color: #3E7D5A;
}

.page-about .about-honor__card--level .about-honor__card-icon {
  background: rgba(31, 111, 235, 0.1);
  color: #1F6FEB;
}

.page-about .about-honor__card--award .about-honor__card-icon {
  background: rgba(212, 167, 44, 0.14);
  color: #D4A72C;
}

.page-about .about-honor__card p {
  font-size: 14px;
  color: #557A8C;
  margin-bottom: 0;
}

.page-about .about-honor__footnote {
  margin-top: 18px;
  font-size: 12px;
  color: #557A8C;
  padding: 14px 18px;
  background: #F5F2E8;
  border-radius: 10px;
  border-left: 3px solid #D4A72C;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-honor__footnote::before {
  content: "✓";
  font-weight: 800;
  color: #D4A72C;
  font-size: 16px;
}

.page-about .about-team {
  padding-block: 0 72px;
}

.page-about .about-team__body {
  padding-left: clamp(0px, 2vw, 20px);
}

.page-about .about-team__content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.page-about .about-team__stat {
  background: #1A2B33;
  border-radius: 14px;
  padding: 24px 18px;
  text-align: center;
  color: #F2F5F4;
  border-bottom: 3px solid #00C2D1;
}

.page-about .about-team__stat:nth-child(2) {
  border-bottom-color: #3E7D5A;
}

.page-about .about-team__stat:nth-child(3) {
  border-bottom-color: #D4A72C;
}

.page-about .about-team__stat-num {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.page-about .about-team__stat-label {
  display: block;
  font-size: 12px;
  color: rgba(242, 245, 244, 0.75);
  letter-spacing: 0.1em;
  margin-top: 6px;
}

.page-about .about-team__desc {
  max-width: 600px;
}

.page-about .about-team__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.page-about .btn-primary {
  background: #00C2D1;
  color: #10232B;
}

.page-about .btn-primary:hover {
  background: #0AA5B2;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 194, 209, 0.3);
}

.page-about .btn-ghost {
  background: transparent;
  color: #10232B;
  border: 1.5px solid #557A8C;
}

.page-about .btn-ghost:hover {
  border-color: #1F6FEB;
  color: #1F6FEB;
  transform: translateY(-1px);
}

.page-about .about-trust {
  padding-block: 28px 72px;
}

.page-about .about-trust__body {
  padding-left: clamp(0px, 2vw, 20px);
  background: #EEF4F6;
  padding: 24px;
  border-radius: 14px;
  border-left: 4px solid #1F6FEB;
}

.page-about .about-trust__body p {
  margin-bottom: 12px;
  font-size: 14px;
  color: #10232B;
  line-height: 1.8;
}

.page-about .about-trust__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #1F6FEB;
  text-decoration: none;
}

.page-about .about-trust__link:hover {
  text-decoration: underline;
  color: #0C4CA8;
}

.page-about .about-trust__link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.page-about .about-trust__link:hover::after {
  transform: translateX(3px);
}

.page-about .about-trust__caption {
  border-left-color: #1F6FEB;
  color: #1F6FEB;
}

@media (max-width: 640px) {
  .page-about .about-hero__main,
  .page-about .about-origin__body,
  .page-about .about-milestone__body,
  .page-about .about-culture__body,
  .page-about .about-honor__body,
  .page-about .about-team__body,
  .page-about .about-trust__body {
    padding-left: 0;
  }

  .page-about .about-hero__aside {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding-left: 0;
  }

  .page-about .about-hero__aside-line {
    width: 48px;
    height: 1px;
    margin-left: 0;
  }

  .page-about .about-hero__aside-text {
    font-size: 12px;
  }

  .page-about .about-team__content {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .page-about .about-team__stat {
    padding: 18px 10px;
  }

  .page-about .about-team__stat-label {
    font-size: 11px;
  }

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

  .page-about .about-origin__index,
  .page-about .about-milestone__index,
  .page-about .about-culture__index,
  .page-about .about-honor__index,
  .page-about .about-team__index {
    width: 38px;
    height: 38px;
    font-size: 13px;
  }

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

  .page-about .about-culture__img {
    max-height: 320px;
    object-fit: cover;
  }

  .page-about .about-trust__body {
    padding: 18px;
  }

  .page-about .about-breadcrumb {
    padding-top: 18px;
    font-size: 12px;
  }
}

@media (min-width: 641px) {
  .page-about .grid-col-3 {
    grid-column: span 3;
  }

  .page-about .grid-col-9 {
    grid-column: span 9;
  }
}

@media (min-width: 768px) {
  .page-about .about-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .page-about .about-timeline__item {
    padding: 28px 32px;
  }

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

  .page-about .about-timeline__card li {
    padding-left: 0;
    padding-top: 18px;
    border-top: 1px solid rgba(16, 35, 43, 0.06);
  }

  .page-about .about-timeline__card li::before {
    top: 0;
  }

  .page-about .about-timeline__item--v1 .about-timeline__card ul {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-timeline__item--v2 .about-timeline__card ul {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-about .about-culture__content {
    grid-template-columns: 1fr 0.9fr;
  }
}

@media (min-width: 1200px) {
  .page-about .about-timeline {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-left: 0;
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 26px;
    align-items: flex-start;
    border-radius: 18px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    grid-template-columns: 1fr 60px;
  }

  .page-about .about-timeline__node-wrap {
    margin-bottom: 0;
    padding-top: 20px;
    display: flex;
    justify-content: center;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__node-wrap {
    order: 2;
  }

  .page-about .about-timeline__card {
    padding-left: 0;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-timeline__node-dot {
    width: 18px;
    height: 18px;
  }

  .page-about .about-timeline__line {
    display: block;
    position: absolute;
    width: 100%;
    left: 0;
    top: 40px;
    height: 240px;
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__item,
  .page-about .about-honor__card,
  .page-about .btn {
    transition: none;
    transform: none;
  }

  .page-about .about-timeline__item:hover,
  .page-about .about-timeline__item:focus-within,
  .page-about .about-honor__card:hover {
    transform: none;
    box-shadow: 0 2px 10px rgba(16, 35, 43, 0.05);
  }

  .page-about .btn-ghost:hover,
  .page-about .btn-primary:hover {
    transform: none;
  }
}
