.page-about {
  --about-node: 7px;
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  padding: 28px 0 0;
}

.page-about .about-hero .lj-breadcrumb {
  margin-bottom: 18px;
}

.page-about .about-hero__frame {
  position: relative;
  padding: 26px 18px 22px;
  background:
    linear-gradient(158deg, rgba(16, 32, 60, 0.96) 0%, rgba(10, 20, 40, 0.98) 56%, rgba(5, 11, 24, 1) 100%);
  border: 1px solid var(--lj-line-soft);
  overflow: hidden;
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 96px;
  height: 3px;
  background: linear-gradient(90deg, rgba(255, 107, 44, 0), var(--lj-orange));
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-size: 27px;
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--lj-fg);
}

.page-about .about-hero__lead {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--lj-muted);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  background: var(--lj-line-soft);
  border: 1px solid var(--lj-line-soft);
}

.page-about .about-hero__stat {
  padding: 14px 12px 16px;
  background: var(--lj-panel);
}

.page-about .about-hero__stat dt {
  margin: 0;
  font-family: var(--lj-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--lj-muted);
}

.page-about .about-hero__stat dd {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--lj-fg);
}

.page-about .about-hero__stat dd .lj-num {
  font-family: var(--lj-mono);
  font-size: 26px;
  font-weight: 500;
  color: var(--lj-cyan);
  margin-right: 4px;
}

/* ============ 主体布局 ============ */
.page-about .about-body {
  padding-top: 10px;
}

.page-about .about-anchor {
  margin-bottom: 4px;
}

.page-about .about-anchor__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-about .lj-anchor__item {
  display: block;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--lj-muted);
  text-decoration: none;
  border: 1px solid var(--lj-line-soft);
  transition: color var(--lj-dur) var(--lj-ease),
              border-color var(--lj-dur) var(--lj-ease),
              background-color var(--lj-dur) var(--lj-ease);
}

.page-about .lj-anchor__item:hover,
.page-about .lj-anchor__item[aria-current="true"] {
  color: var(--lj-cyan);
  border-color: var(--lj-cyan);
  background: rgba(0, 229, 208, 0.07);
}

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

.page-about .about-section {
  scroll-margin-top: 120px;
  padding: 0 0 40px;
}

.page-about .about-section .lj-section__head {
  padding-bottom: 12px;
}

.page-about .about-section .lj-section-title {
  margin: 8px 0 0;
  font-size: 21px;
  line-height: 1.38;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-section .lj-prose {
  margin-top: 18px;
}

/* ============ 内容主线 ============ */
.page-about .about-lines {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-about .about-line__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-about .about-line__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--lj-muted);
}

.page-about .about-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--lj-cyan);
}

/* ============ 场馆信息改版 ============ */
.page-about .about-revamp {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .about-revamp__col {
  padding: 18px 16px;
  background: var(--lj-panel);
  border: 1px solid var(--lj-line-soft);
}

.page-about .about-revamp__col--new {
  background: linear-gradient(180deg, rgba(58, 26, 14, 0.72) 0%, rgba(10, 20, 40, 1) 82%);
  border-color: rgba(255, 107, 44, 0.46);
}

.page-about .about-revamp__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--lj-muted);
}

.page-about .about-revamp__col--new .about-revamp__list li {
  color: var(--lj-fg);
}

.page-about .about-revamp__list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .lj-tag {
  flex: 0 0 auto;
  font-family: var(--lj-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 2px 6px;
}

.page-about .about-features {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.page-about .about-feature p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lj-muted);
}

/* ============ 覆盖范围 ============ */
.page-about .about-coverage {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-about .about-coverage__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--lj-line-soft);
  border: 1px solid var(--lj-line-soft);
}

.page-about .about-coverage__stat {
  padding: 15px 13px 17px;
  background: var(--lj-panel);
}

.page-about .about-coverage__stat dt {
  margin: 0;
  font-family: var(--lj-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--lj-muted);
}

.page-about .about-coverage__stat dd {
  margin: 8px 0 0;
  font-family: var(--lj-mono);
  font-size: 26px;
  font-weight: 500;
  color: var(--lj-cyan);
}

.page-about .about-coverage__stat dd small {
  margin-left: 4px;
  font-size: 12px;
  color: var(--lj-muted);
}

.page-about .about-coverage__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lj-muted);
}

.page-about .about-filters {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-filters li {
  padding: 6px 12px;
  font-family: var(--lj-mono);
  font-size: 13px;
  color: var(--lj-cyan-soft);
  background: rgba(14, 58, 58, 0.42);
  border: 1px solid var(--lj-line);
}

.page-about .about-map {
  padding: 16px;
  background: var(--lj-panel);
  border: 1px solid var(--lj-line-soft);
}

.page-about .about-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-map__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--lj-line-soft);
  font-family: var(--lj-mono);
  font-size: 12px;
  color: var(--lj-muted);
}

.page-about .about-map__legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-about .about-map__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-about .about-map__dot--cyan {
  background: var(--lj-cyan);
}

.page-about .about-map__dot--orange {
  background: var(--lj-orange);
}

/* ============ 图片 ============ */
.page-about .about-figure {
  margin: 20px 0 0;
}

.page-about .about-figure .lj-media {
  border: 1px solid var(--lj-line-soft);
}

.page-about .lj-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .lj-media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--lj-muted);
}

/* ============ 团队构成 ============ */
.page-about .about-team {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-role {
  padding: 18px 16px;
  background: var(--lj-panel);
  border: 1px solid var(--lj-line-soft);
  border-top: 2px solid var(--lj-cyan);
}

.page-about .about-role__icon {
  display: block;
  width: 32px;
  height: 32px;
  color: var(--lj-cyan);
}

.page-about .about-role__count {
  display: block;
  margin-top: 14px;
  font-family: var(--lj-mono);
  font-size: 24px;
  font-weight: 500;
  color: var(--lj-orange);
  line-height: 1;
}

.page-about .about-role__name {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--lj-fg);
}

.page-about .about-role p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lj-muted);
}

/* ============ 时间线 ============ */
.page-about .about-timeline {
  display: block;
  margin-top: 22px;
  padding: 18px 16px;
  background: var(--lj-panel);
  border: 1px solid var(--lj-line-soft);
}

.page-about .about-timeline__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-timeline__rail .lj-tab {
  flex: 0 0 auto;
  padding: 8px 14px;
  font-family: var(--lj-mono);
  font-size: 13px;
  color: var(--lj-muted);
  background: transparent;
  border: 1px solid var(--lj-line);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--lj-dur) var(--lj-ease),
              border-color var(--lj-dur) var(--lj-ease),
              background-color var(--lj-dur) var(--lj-ease);
}

.page-about .about-timeline__rail .lj-tab:hover {
  color: var(--lj-cyan-soft);
  border-color: var(--lj-cyan);
}

.page-about .about-timeline__rail .lj-tab[aria-selected="true"] {
  color: var(--lj-cyan);
  border-color: var(--lj-cyan);
  background: rgba(0, 229, 208, 0.08);
}

.page-about .about-timeline__rail .lj-tab:focus-visible {
  outline: 1px solid var(--lj-cyan);
  outline-offset: 2px;
}

.page-about .about-timeline__panels {
  margin-top: 22px;
  padding-left: 18px;
  border-left: 1px solid var(--lj-line);
}

.page-about .about-timeline__panels .lj-tabpanel {
  position: relative;
}

.page-about .about-timeline__panels .lj-tabpanel::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 36px;
  width: var(--about-node);
  height: var(--about-node);
  border-radius: 50%;
  background: var(--lj-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 208, 0.16);
}

.page-about .about-timeline__panels .lj-tabpanel h3 {
  margin: 10px 0 0;
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--lj-fg);
}

.page-about .about-timeline__panels .lj-tabpanel p {
  margin: 12px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lj-muted);
}

.page-about .about-timeline__panels .lj-tabpanel .about-timeline__meta {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--lj-line-soft);
  font-family: var(--lj-mono);
  font-size: 13px;
  color: var(--lj-cyan-soft);
}

/* ============ 内容合作 ============ */
.page-about .about-coop {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .about-coop__item p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lj-muted);
}

.page-about .about-coop__num {
  font-family: var(--lj-mono);
  font-size: 13px;
  color: var(--lj-muted);
}

.page-about .about-coop__num .lj-num {
  font-family: var(--lj-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--lj-cyan);
  margin-right: 4px;
}

.page-about .about-cta-line {
  margin: 20px 0 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lj-muted);
  background: rgba(14, 58, 58, 0.28);
  border-left: 2px solid var(--lj-cyan);
}

.page-about .about-cta-line a {
  color: var(--lj-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 208, 0.42);
}

.page-about .about-cta-line a:hover {
  color: var(--lj-cyan-soft);
  border-bottom-color: var(--lj-cyan-soft);
}

/* ============ 地域与语言 ============ */
.page-about .about-guangxi {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-about .about-guangxi__text p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--lj-muted);
}

.page-about .about-guangxi__links {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-guangxi__links li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  padding: 10px 0;
  border-top: 1px solid var(--lj-line-soft);
  font-size: 14px;
}

.page-about .about-guangxi__links a {
  color: var(--lj-cyan);
  text-decoration: none;
  font-weight: 700;
}

.page-about .about-guangxi__links a:hover {
  color: var(--lj-cyan-soft);
}

.page-about .about-guangxi__links span {
  color: var(--lj-muted);
}

.page-about .about-guangxi__figure {
  margin-top: 0;
}

/* ============ 侧栏 ============ */
.page-about .about-side {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-about .about-brief__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-brief__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--lj-line-soft);
  font-size: 13px;
  line-height: 1.5;
  color: var(--lj-muted);
}

.page-about .about-brief__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-brief__list .lj-num {
  flex: 0 0 auto;
  font-family: var(--lj-mono);
  font-size: 17px;
  font-weight: 500;
  color: var(--lj-cyan);
}

.page-about .about-links {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-links a {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--lj-fg);
  text-decoration: none;
  border-left: 1px solid var(--lj-line);
  transition: color var(--lj-dur) var(--lj-ease),
              border-color var(--lj-dur) var(--lj-ease),
              background-color var(--lj-dur) var(--lj-ease);
}

.page-about .about-links a:hover {
  color: var(--lj-cyan);
  border-left-color: var(--lj-cyan);
  background: rgba(0, 229, 208, 0.06);
}

/* ============ 断点 ============ */
@media (min-width: 620px) {
  .page-about .about-hero__frame {
    padding: 32px 28px 28px;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-timeline {
    padding: 22px 24px;
  }
}

@media (min-width: 760px) {
  .page-about .about-hero {
    padding-top: 36px;
  }

  .page-about .about-hero__title {
    font-size: 36px;
  }

  .page-about .about-hero__frame {
    padding: 40px 36px 34px;
  }

  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-section .lj-section-title {
    font-size: 25px;
  }

  .page-about .about-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-revamp {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-about .about-coverage {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 24px;
  }

  .page-about .about-guangxi {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }

  .page-about .about-team__figure {
    margin-top: 0;
  }
}

@media (min-width: 1024px) {
  .page-about .about-anchor {
    position: sticky;
    top: 118px;
    align-self: start;
    margin-bottom: 0;
  }

  .page-about .about-anchor__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-about .lj-anchor__item {
    border: 1px solid transparent;
    border-left: 1px solid var(--lj-line);
  }

  .page-about .lj-anchor__item:hover,
  .page-about .lj-anchor__item[aria-current="true"] {
    border-color: transparent;
    border-left-color: var(--lj-cyan);
  }

  .page-about .about-section {
    padding-bottom: 48px;
  }

  .page-about .about-hero__title {
    font-size: 42px;
  }
}

@media (min-width: 1280px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .lj-anchor__item,
  .page-about .about-links a,
  .page-about .about-timeline__rail .lj-tab {
    transition: none;
  }
}