.page-about {
  --about-edge: clamp(18px, 4vw, 64px);
  --about-bar: 3px;
  display: block;
  background: var(--ink);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: var(--about-bar) solid var(--line);
}

.page-about .about-hero__main {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 52px) var(--about-edge) clamp(88px, 11vw, 140px);
  background:
    linear-gradient(135deg, rgba(47, 168, 255, 0.13), transparent 46%),
    radial-gradient(130% 110% at 0% 0%, rgba(18, 212, 106, 0.18), transparent 62%),
    var(--ink);
}

.page-about .about-hero__main > * {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__main::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: clamp(84px, 13vw, 190px);
  height: clamp(84px, 13vw, 190px);
  background: linear-gradient(135deg, var(--green) 0 56%, #0aa452 56% 100%);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__main::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: var(--about-bar);
  background: linear-gradient(90deg, var(--neon) 0 22%, var(--green) 22% 62%, var(--blue) 62% 100%);
}

.page-about .about-hero h1 {
  margin: 14px 0 0;
  max-width: 17ch;
  font-size: clamp(30px, 5.2vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-about .about-hero .lede {
  margin-top: 18px;
  max-width: 62ch;
}

.page-about .about-hero__actions {
  margin-top: 30px;
}

.page-about .about-hero__side {
  display: grid;
  align-content: start;
  gap: 20px;
  padding: clamp(26px, 4vw, 48px) var(--about-edge) clamp(36px, 5vw, 60px);
  background: var(--panel);
  border-top: var(--about-bar) solid var(--line);
}

.page-about .about-facts {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-about .about-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-about .about-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-about .about-facts__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 通用面板区块 ---------- */
.page-about .about-band {
  padding: clamp(48px, 7vw, 96px) var(--about-edge);
  border-bottom: var(--about-bar) solid var(--line);
}

.page-about .about-band > .container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0;
}

.page-about .about-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .about-band h2 {
  margin: 12px 0 0;
  max-width: 24ch;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-about .about-band h3 {
  margin: 0;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  line-height: 1.35;
}

.page-about .about-band p {
  margin: 12px 0 0;
}

/* ---------- 赛前 / 赛中 / 赛后 ---------- */
.page-about .about-phase {
  display: grid;
  gap: 26px;
  margin-top: clamp(28px, 4vw, 42px);
}

.page-about .about-phase__item {
  padding-top: 16px;
  border-top: 4px solid var(--green);
}

.page-about .about-phase__item:nth-child(2) {
  border-top-color: var(--blue);
}

.page-about .about-phase__item:nth-child(3) {
  border-top-color: var(--neon);
}

.page-about .about-phase__item h3 {
  margin-top: 10px;
}

.page-about .about-phase__item p {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.72;
  color: #C6D0C8;
}

/* ---------- 数字条 ---------- */
.page-about .about-nums {
  list-style: none;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: var(--about-bar) solid var(--line);
}

.page-about .about-nums__item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid var(--line);
}

.page-about .about-nums__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-nums__v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  margin: clamp(28px, 4vw, 40px) 0 0;
  background: var(--panel);
  border: var(--about-bar) solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-figure__cap {
  padding: 10px 14px;
  border-top: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 团队条形图 ---------- */
.page-about .about-roles {
  list-style: none;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-about .about-roles__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px 18px;
  padding: 18px 0;
  border-bottom: var(--about-bar) solid var(--line);
}

.page-about .about-roles__name {
  font-weight: 700;
  font-size: 16px;
}

.page-about .about-roles__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-about .about-roles__track {
  display: block;
  height: 12px;
  background: #1C241E;
  border: 2px solid var(--line);
}

.page-about .about-roles__fill {
  display: block;
  height: 100%;
  background: var(--green);
}

.page-about .about-roles__row:nth-child(1) .about-roles__fill {
  width: 100%;
}

.page-about .about-roles__row:nth-child(2) .about-roles__fill {
  width: 67%;
  background: var(--blue);
}

.page-about .about-roles__row:nth-child(3) .about-roles__fill {
  width: 50%;
  background: var(--neon);
}

.page-about .about-roles__row:nth-child(4) .about-roles__fill {
  width: 17%;
  background: var(--orange);
}

.page-about .about-roles__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 生产流程 ---------- */
.page-about .about-flow {
  list-style: none;
  margin: clamp(26px, 3.5vw, 38px) 0 0;
  padding: 0;
  counter-reset: flow;
}

.page-about .about-flow__step {
  position: relative;
  padding: 0 0 26px 22px;
  border-left: var(--about-bar) solid var(--line);
}

.page-about .about-flow__step:last-child {
  padding-bottom: 0;
}

.page-about .about-flow__step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 11px;
  height: 11px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-about .about-flow__step:nth-child(2)::before {
  background: var(--blue);
}

.page-about .about-flow__step:nth-child(3)::before {
  background: var(--neon);
}

.page-about .about-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-about .about-flow__step h3 {
  margin-top: 4px;
}

.page-about .about-flow__step p {
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.72;
  color: #C6D0C8;
}

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

/* ---------- 发展历程 ---------- */
.page-about .about-era {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
}

.page-about .about-era__item {
  position: relative;
  padding: 0 0 30px 22px;
  border-left: var(--about-bar) solid var(--line);
}

.page-about .about-era__item:last-child {
  padding-bottom: 0;
}

.page-about .about-era__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--green);
  transform: rotate(45deg);
}

.page-about .about-era__item:nth-child(2)::before {
  background: var(--blue);
}

.page-about .about-era__item:nth-child(3)::before {
  background: var(--neon);
}

.page-about .about-era__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-about .about-era__item h3 {
  margin-top: 6px;
}

.page-about .about-era__item p {
  margin-top: 8px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.72;
  color: #C6D0C8;
}

.page-about .about-era__figure {
  margin: clamp(34px, 5vw, 56px) calc(var(--about-edge) * -1) calc(clamp(48px, 7vw, 96px) * -1);
  background: var(--panel);
  border-top: var(--about-bar) solid var(--line);
  overflow: hidden;
}

.page-about .about-era__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 26vw, 340px);
  object-fit: cover;
  opacity: 0.82;
}

.page-about .about-era__cap {
  padding: 10px 16px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 跑马灯数据带 ---------- */
.page-about .about-ticker {
  padding: 13px 0;
  background: var(--neon);
  color: var(--ink);
  border-bottom: var(--about-bar) solid var(--line);
  overflow: hidden;
}

.page-about .about-ticker__cell {
  display: inline-block;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-about .about-ticker__cell::after {
  content: "◆";
  margin-left: 28px;
  opacity: 0.4;
}

/* ---------- 译名与字段 ---------- */
.page-about .about-lexicon {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-about .about-lexicon__panel {
  padding: clamp(22px, 3vw, 32px);
  background: var(--panel);
  border: var(--about-bar) solid var(--line);
  box-shadow: var(--shadow-soft);
}

.page-about .about-lexicon__big {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(48px, 8vw, 76px);
  line-height: 1;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.page-about .about-lexicon__unit {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-about .about-fields {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}

.page-about .about-fields__chip {
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--green);
  border: 2px solid var(--ink);
}

.page-about .about-fields__chip:nth-child(2) {
  background: var(--blue);
}

.page-about .about-fields__chip:nth-child(3) {
  background: var(--neon);
}

.page-about .about-fields__chip:nth-child(4) {
  background: var(--orange);
  color: var(--white);
}

.page-about .about-lexicon__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 认可与服务 ---------- */
.page-about .about-honor {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 40px);
}

.page-about .about-honor__item {
  padding: 18px 20px;
  background: #121814;
  border-left: 4px solid var(--blue);
}

.page-about .about-honor__item:nth-child(2) {
  border-left-color: var(--green);
}

.page-about .about-honor__item:nth-child(3) {
  border-left-color: var(--neon);
}

.page-about .about-honor__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-about .about-honor__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-promise {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: clamp(22px, 3vw, 30px);
  background: var(--mint);
  color: var(--ink);
  border: var(--about-bar) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-about .about-promise p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-about .about-promise a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束 CTA ---------- */
.page-about .about-cta {
  border-bottom: 0;
}

.page-about .about-cta__panel {
  max-width: 620px;
  padding: clamp(26px, 4vw, 40px);
  background:
    linear-gradient(150deg, rgba(18, 212, 106, 0.16), transparent 60%),
    var(--panel);
  border: var(--about-bar) solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-about .about-cta__panel h2 {
  margin-top: 10px;
  max-width: 20ch;
}

.page-about .about-cta__panel p {
  font-size: 15px;
  line-height: 1.75;
  color: #C6D0C8;
}

.page-about .about-cta__actions {
  margin-top: 26px;
}

.page-about .about-cta__note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted);
}

.page-about .about-cta__note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-about .about-nums__item {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 24px;
  }

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

  .page-about .about-roles__row {
    grid-template-columns: 110px minmax(0, 1fr) 76px;
    align-items: center;
  }

  .page-about .about-roles__desc {
    grid-column: 2 / -1;
  }
}

@media (min-width: 760px) {
  .page-about .about-phase {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-flow-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-figure--side {
    margin-top: clamp(56px, 7vw, 92px);
  }

  .page-about .about-lexicon {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }

  .page-about .about-hero__side {
    border-top: 0;
    border-left: var(--about-bar) solid var(--line);
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-ticker .ticker__track {
    animation: none;
  }
}