.page-about {
  --about-card: rgba(11, 43, 36, 0.72);
  --about-orange-deep: #B8422A;
  padding-block: 0 3.5rem;
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .breadcrumb {
  padding-top: 1rem;
  font-size: 0.8rem;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  display: grid;
  grid-template-areas:
    "main"
    "media"
    "coords";
  gap: 1.5rem;
  padding: 1.5rem 0 2.25rem;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(27, 74, 62, 0.38) 1px, transparent 1px);
  background-size: 88px 100%;
  opacity: 0.45;
  pointer-events: none;
}

.page-about .about-hero > * {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-about .about-hero__main {
  grid-area: main;
}

.page-about .about-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
  margin: 0 0 0.75rem;
}

.page-about .about-hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 9.5vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-hero__accent {
  color: var(--cyan);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.88;
}

.page-about .about-hero__media {
  grid-area: media;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

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

/* ---------- 坐标卡 ---------- */
.page-about .about-coords {
  grid-area: coords;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.page-about .coord {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(11, 43, 36, 0.92), rgba(6, 26, 21, 0.62));
  padding: 0.85rem 0.9rem 0.95rem;
  min-width: 0;
}

.page-about .coord__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 5vw, 1.9rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .coord--accent .coord__value {
  color: var(--orange);
}

.page-about .coord--amber .coord__value {
  color: var(--amber);
  font-size: clamp(1.1rem, 4.4vw, 1.5rem);
}

.page-about .coord__label {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-about .coord__note {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */
.page-about .about-block {
  margin-top: 3rem;
}

.page-about .about-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 6vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-block__intro {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.86;
}

.page-about .about-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 筛选 ---------- */
.page-about .tl-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.35rem 0 0.25rem;
}

.page-about .filter-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .filter-btn:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-about .filter-btn[aria-pressed="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 时间线 ---------- */
.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0 0 0 1.6rem;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan) 0%, rgba(27, 74, 62, 0.7) 45%, rgba(27, 74, 62, 0) 100%);
}

.page-about .tl-item {
  position: relative;
  margin-bottom: 0.85rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--about-card);
  min-width: 0;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -1.52rem;
  top: 1.35rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(63, 242, 198, 0.12);
}

.page-about .tl-item:hover {
  border-color: var(--cyan);
  transform: translateX(2px);
}

.page-about .tl-item__year {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .tl-item__title {
  margin: 0.4rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

.page-about .tl-item__text {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.88;
}

.page-about .tl-item--paper {
  background: var(--paper);
  border-color: var(--paper-dim);
  color: var(--text-dark);
}

.page-about .tl-item--paper::before {
  background: var(--paper);
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 90, 61, 0.18);
}

.page-about .tl-item--paper .tl-item__year {
  color: var(--about-orange-deep);
  font-weight: 700;
}

.page-about .tl-item--paper .tl-item__title {
  color: var(--text-dark);
}

.page-about .tl-item--paper .tl-item__text {
  color: #23302B;
  opacity: 1;
}

.page-about .tl-item--paper .tag {
  border-color: rgba(10, 15, 13, 0.25);
  color: var(--text-dark);
  background: rgba(10, 15, 13, 0.06);
}

/* ---------- 媒体框 ---------- */
.page-about .about-media {
  margin: 1.6rem 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-about .about-media__cap {
  display: block;
  padding: 0.6rem 0.9rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.page-about .team-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--about-card);
  padding: 1.05rem 1.05rem 1.15rem;
  min-width: 0;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--cyan);
  background: rgba(11, 43, 36, 0.95);
}

.page-about .team-card__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .team-card__title {
  margin: 0.4rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .team-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.86;
}

/* ---------- 校对流程 ---------- */
.page-about .check-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
  margin-top: 1.35rem;
}

.page-about .check-flow {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
}

.page-about .check-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.page-about .check-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .check-step__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1.1;
  color: var(--cyan);
}

.page-about .check-step__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .check-step__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.86;
}

.page-about .about-media--side {
  margin-top: 0;
}

/* ---------- 合作生态 ---------- */
.page-about .eco-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-about .eco-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.15rem 1.1rem 1.25rem;
  background:
    radial-gradient(circle at 18% 12%, rgba(63, 242, 198, 0.14), transparent 46%),
    radial-gradient(circle at 88% 84%, rgba(255, 90, 61, 0.1), transparent 42%),
    var(--about-card);
  min-width: 0;
}

.page-about .eco-panel__lead {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.88;
}

.page-about .eco-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-about .eco-legend__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 0.65rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .eco-legend__item:hover,
.page-about .eco-legend__item:focus-within {
  border-color: var(--cyan);
  background: rgba(63, 242, 198, 0.08);
}

.page-about .eco-legend__dot {
  width: 0.6rem;
  height: 0.6rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .eco-legend__dot--cyan {
  background: var(--cyan);
}

.page-about .eco-legend__dot--orange {
  background: var(--orange);
}

.page-about .eco-legend__dot--amber {
  background: var(--amber);
}

.page-about .eco-legend__dot--soft {
  background: var(--cyan-soft);
}

.page-about .eco-legend__name {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .eco-legend__desc {
  grid-column: 2;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .honor-card {
  border: 1px solid var(--paper-dim);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--text-dark);
  padding: 1.2rem 1.15rem 1.3rem;
  min-width: 0;
}

.page-about .honor-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--about-orange-deep);
}

.page-about .honor-card__title {
  margin: 0.45rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--text-dark);
}

.page-about .honor-card p {
  margin: 0 0 0.6rem;
  font-size: 0.87rem;
  line-height: 1.75;
  color: #23302B;
}

.page-about .honor-card__meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--about-orange-deep);
}

/* ---------- 更新节奏 ---------- */
.page-about .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.page-about .rhythm-card {
  border-top: 2px solid var(--ink-600);
  padding: 0.9rem 0 0.4rem;
  min-width: 0;
  transition: border-color 0.24s var(--ease);
}

.page-about .rhythm-card:hover {
  border-top-color: var(--cyan);
}

.page-about .rhythm-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .rhythm-card__title {
  margin: 0.45rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .rhythm-card__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.85;
}

/* ---------- 结尾引导 ---------- */
.page-about .about-cta {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
  padding: 1.35rem 1.2rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(63, 242, 198, 0.12), rgba(6, 26, 21, 0.92) 58%),
    var(--ink-900);
}

.page-about .about-cta__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 5vw, 1.85rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-about .about-cta__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.88;
}

.page-about .about-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    grid-template-areas:
      "main media"
      "coords coords";
    gap: 1.75rem;
    padding: 2rem 0 2.5rem;
  }

  .page-about .about-coords {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .page-about .about-hero__lead {
    font-size: 1rem;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
  }

  .page-about .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.4rem;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.6rem 1.6rem 1.7rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-about .about-block {
    margin-top: 4rem;
  }

  .page-about .about-hero {
    padding: 2.5rem 0 3rem;
  }

  .page-about .check-layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 2.2rem;
    align-items: start;
  }

  .page-about .eco-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 1.4rem;
    align-items: start;
  }

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

  .page-about .timeline {
    padding-left: 2rem;
  }

  .page-about .tl-item::before {
    left: -1.92rem;
  }

  .page-about .tl-item {
    padding: 1.15rem 1.3rem 1.2rem;
  }

  .page-about .about-media__cap {
    padding: 0.7rem 1.1rem 0.85rem;
  }
}

.page-about {
  --about-card: rgba(11, 43, 36, 0.72);
  --about-orange-deep: #B8422A;
  padding-block: 0 3.5rem;
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .breadcrumb {
  padding-top: 1rem;
  font-size: 0.8rem;
}

.page-about .about-hero {
  position: relative;
  display: grid;
  grid-template-areas:
    "main"
    "media"
    "coords";
  gap: 1.5rem;
  padding: 1.5rem 0 2.25rem;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(27, 74, 62, 0.38) 1px, transparent 1px);
  background-size: 88px 100%;
  opacity: 0.45;
  pointer-events: none;
}

.page-about .about-hero > * {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-about .about-hero__main {
  grid-area: main;
}

.page-about .about-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cyan-soft);
  margin: 0 0 0.75rem;
}

.page-about .about-hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 9.5vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-hero__accent {
  color: var(--cyan);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.88;
}

.page-about .about-hero__media {
  grid-area: media;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

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

.page-about .about-coords {
  grid-area: coords;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.page-about .coord {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(11, 43, 36, 0.92), rgba(6, 26, 21, 0.62));
  padding: 0.85rem 0.9rem 0.95rem;
  min-width: 0;
}

.page-about .coord__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 5vw, 1.9rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .coord--accent .coord__value {
  color: var(--orange);
}

.page-about .coord--amber .coord__value {
  color: var(--amber);
  font-size: clamp(1.1rem, 4.4vw, 1.5rem);
}

.page-about .coord__label {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-about .coord__note {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-block {
  margin-top: 3rem;
}

.page-about .about-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 6vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-block__intro {
  margin: 1rem 0 0;
  max-width: 62ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.86;
}

.page-about .about-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .tl-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.35rem 0 0.25rem;
}

.page-about .filter-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .filter-btn:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-about .filter-btn[aria-pressed="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0 0 0 1.6rem;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan) 0%, rgba(27, 74, 62, 0.7) 45%, rgba(27, 74, 62, 0) 100%);
}

.page-about .tl-item {
  position: relative;
  margin-bottom: 0.85rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--about-card);
  min-width: 0;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -1.52rem;
  top: 1.35rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(63, 242, 198, 0.12);
}

.page-about .tl-item:hover {
  border-color: var(--cyan);
  transform: translateX(2px);
}

.page-about .tl-item__year {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .tl-item__title {
  margin: 0.4rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

.page-about .tl-item__text {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.88;
}

.page-about .tl-item--paper {
  background: var(--paper);
  border-color: var(--paper-dim);
  color: var(--text-dark);
}

.page-about .tl-item--paper::before {
  background: var(--paper);
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 90, 61, 0.18);
}

.page-about .tl-item--paper .tl-item__year {
  color: var(--about-orange-deep);
  font-weight: 700;
}

.page-about .tl-item--paper .tl-item__title {
  color: var(--text-dark);
}

.page-about .tl-item--paper .tl-item__text {
  color: #23302B;
  opacity: 1;
}

.page-about .tl-item--paper .tag {
  border-color: rgba(10, 15, 13, 0.25);
  color: var(--text-dark);
  background: rgba(10, 15, 13, 0.06);
}

.page-about .about-media {
  margin: 1.6rem 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-800);
}

.page-about .about-media__cap {
  display: block;
  padding: 0.6rem 0.9rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.page-about .team-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--about-card);
  padding: 1.05rem 1.05rem 1.15rem;
  min-width: 0;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--cyan);
  background: rgba(11, 43, 36, 0.95);
}

.page-about .team-card__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .team-card__title {
  margin: 0.4rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .team-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.86;
}

.page-about .check-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
  margin-top: 1.35rem;
}

.page-about .check-flow {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
}

.page-about .check-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.page-about .check-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .check-step__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  line-height: 1.1;
  color: var(--cyan);
}

.page-about .check-step__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .check-step__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.86;
}

.page-about .about-media--side {
  margin-top: 0;
}

.page-about .eco-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-about .eco-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.15rem 1.1rem 1.25rem;
  background:
    radial-gradient(circle at 18% 12%, rgba(63, 242, 198, 0.14), transparent 46%),
    radial-gradient(circle at 88% 84%, rgba(255, 90, 61, 0.1), transparent 42%),
    var(--about-card);
  min-width: 0;
}

.page-about .eco-panel__lead {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.88;
}

.page-about .eco-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-about .eco-legend__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 0.65rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .eco-legend__item:hover,
.page-about .eco-legend__item:focus-within {
  border-color: var(--cyan);
  background: rgba(63, 242, 198, 0.08);
}

.page-about .eco-legend__dot {
  width: 0.6rem;
  height: 0.6rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .eco-legend__dot--orange {
  background: var(--orange);
}

.page-about .eco-legend__dot--amber {
  background: var(--amber);
}

.page-about .eco-legend__dot--soft {
  background: var(--cyan-soft);
}

.page-about .eco-legend__name {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .eco-legend__desc {
  grid-column: 2;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .honor-card {
  border: 1px solid var(--paper-dim);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--text-dark);
  padding: 1.2rem 1.15rem 1.3rem;
  min-width: 0;
}

.page-about .honor-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--about-orange-deep);
}

.page-about .honor-card__title {
  margin: 0.45rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--text-dark);
}

.page-about .honor-card p {
  margin: 0 0 0.6rem;
  font-size: 0.87rem;
  line-height: 1.75;
  color: #23302B;
}

.page-about .honor-card__meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--about-orange-deep);
}

.page-about .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.page-about .rhythm-card {
  border-top: 2px solid var(--ink-600);
  padding: 0.9rem 0 0.4rem;
  min-width: 0;
  transition: border-color 0.24s var(--ease);
}

.page-about .rhythm-card:hover {
  border-top-color: var(--cyan);
}

.page-about .rhythm-card__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .rhythm-card__title {
  margin: 0.45rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .rhythm-card__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.85;
}

.page-about .about-cta {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.15rem;
  padding: 1.35rem 1.2rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(63, 242, 198, 0.12), rgba(6, 26, 21, 0.92) 58%),
    var(--ink-900);
}

.page-about .about-cta__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 5vw, 1.85rem);
  line-height: 1.15;
  color: var(--paper);
}

.page-about .about-cta__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.88;
}

.page-about .about-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

@media (min-width: 720px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    grid-template-areas:
      "main media"
      "coords coords";
    gap: 1.75rem;
    padding: 2rem 0 2.5rem;
  }

  .page-about .about-coords {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .page-about .about-hero__lead {
    font-size: 1rem;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
  }

  .page-about .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.4rem;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 1.6rem 1.6rem 1.7rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-block {
    margin-top: 4rem;
  }

  .page-about .about-hero {
    padding: 2.5rem 0 3rem;
  }

  .page-about .check-layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 2.2rem;
    align-items: start;
  }

  .page-about .eco-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 1.4rem;
    align-items: start;
  }

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

  .page-about .timeline {
    padding-left: 2rem;
  }

  .page-about .tl-item::before {
    left: -1.92rem;
  }

  .page-about .tl-item {
    padding: 1.15rem 1.3rem 1.2rem;
  }

  .page-about .about-media__cap {
    padding: 0.7rem 1.1rem 0.85rem;
  }
}