/* ================= 品牌文化页 · 作用域 .page-about ================= */

.page-about {
  --pa-pad: clamp(2.6rem, 6.5vw, 5.6rem);
  --pa-rail: 0.55rem;
  display: block;
  overflow-x: clip;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
}

/* ---------- 页面上下文条 ---------- */
.page-about .pa-context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  padding-top: clamp(1.1rem, 3vw, 1.9rem);
  padding-bottom: 0.3rem;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--mute);
}

.page-about .pa-context a {
  color: var(--cyan);
  text-decoration: none;
}

.page-about .pa-context a:hover {
  text-decoration: underline;
}

.page-about .pa-context__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mute);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-about .pa-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.4rem, 4vw, 2.4rem) clamp(2.4rem, 6vw, 4.4rem);
  background: var(--ink);
}

.page-about .pa-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -14%;
  right: -16%;
  width: min(92vw, 880px);
  aspect-ratio: 1 / 1;
  background:
    linear-gradient(148deg, rgba(42, 212, 230, 0.2), rgba(42, 212, 230, 0) 58%),
    linear-gradient(202deg, rgba(255, 107, 44, 0.14), rgba(255, 107, 44, 0) 46%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 62%);
  pointer-events: none;
}

.page-about .pa-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: -12%;
  width: min(58vw, 580px);
  height: min(58vw, 580px);
  background:
    repeating-linear-gradient(90deg, rgba(34, 52, 77, 0.9) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(0deg, rgba(34, 52, 77, 0.9) 0 1px, transparent 1px 26px);
  -webkit-mask-image: radial-gradient(120% 120% at 0% 100%, #000 10%, transparent 68%);
  mask-image: radial-gradient(120% 120% at 0% 100%, #000 10%, transparent 68%);
  pointer-events: none;
}

.page-about .pa-hero__inner {
  position: relative;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  gap: clamp(1.7rem, 4vw, 3rem);
}

.page-about .pa-hero__copy {
  min-width: 0;
}

.page-about .pa-hero h1 {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--white);
  overflow-wrap: break-word;
}

.page-about .pa-hero__accent {
  background: linear-gradient(180deg, transparent 63%, rgba(42, 212, 230, 0.34) 63%);
  padding-inline: 0.06em;
}

.page-about .pa-hero__lead {
  margin: 1.05rem 0 0;
  max-width: 44rem;
  font-size: clamp(0.94rem, 1.4vw, 1.03rem);
  line-height: 1.85;
  color: rgba(251, 252, 254, 0.8);
}

.page-about .pa-hero__actions {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-about .pa-hero__figure {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-about .pa-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
  clip-path: polygon(0 0, 100% 0, 100% 87%, 86% 100%, 0 100%);
}

.page-about .pa-hero__figure::after {
  content: "";
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 34%;
  height: 30%;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  pointer-events: none;
}

/* ---------- 首屏数据带 ---------- */
.page-about .pa-hero__stats {
  list-style: none;
  margin: clamp(2rem, 5vw, 3.2rem) auto 0;
  padding: 0;
  max-width: var(--maxw);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(34, 52, 77, 0.95);
  border-block: 1px solid rgba(34, 52, 77, 0.95);
}

.page-about .pa-hero__stats > li {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  padding: 1rem clamp(0.7rem, 2vw, 1.4rem);
  background: var(--ink);
  min-width: 0;
}

.page-about .pa-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.2vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .pa-hero__stats > li:nth-child(2) .pa-stat__num { color: var(--white); }
.page-about .pa-hero__stats > li:nth-child(3) .pa-stat__num { color: var(--orange); }
.page-about .pa-hero__stats > li:nth-child(4) .pa-stat__num { color: var(--gold); }

.page-about .pa-stat__k {
  font-size: 0.78rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--mute);
}

/* ---------- 连续画布区块 ---------- */
.page-about .pa-blocks {
  position: relative;
}

.page-about .pa-block {
  position: relative;
  padding-block: var(--pa-pad);
  padding-inline: var(--gutter);
}

.page-about .pa-block--ink { background: var(--ink); color: var(--white); }
.page-about .pa-block--slate { background: var(--slate); color: var(--white); }
.page-about .pa-block--paper { background: var(--paper); color: var(--ink); }

.page-about .pa-block__inner {
  position: relative;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-left: clamp(2.1rem, 5vw, 3.9rem);
}

/* 贯穿页面的竖直时间线 */
.page-about .pa-block__inner::before {
  content: "";
  position: absolute;
  left: var(--pa-rail);
  top: 0.35rem;
  bottom: -0.4rem;
  width: 1px;
  background: var(--stone);
}

.page-about .pa-block--paper .pa-block__inner::before {
  background: rgba(10, 20, 36, 0.16);
}

.page-about .pa-block__dot {
  position: absolute;
  left: calc(var(--pa-rail) - 0.32rem);
  top: 0.05rem;
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow:
    0 0 0 4px rgba(42, 212, 230, 0.14),
    0 0 16px rgba(42, 212, 230, 0.5);
}

.page-about .pa-block__dot--dark {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 44, 0.16);
}

.page-about .pa-block__head {
  margin-bottom: clamp(1.3rem, 3vw, 2.1rem);
}

.page-about .pa-block h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.42rem, 3.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.008em;
  overflow-wrap: break-word;
}

.page-about .pa-block__sub {
  margin: 0.7rem 0 0;
  max-width: 42rem;
  font-size: clamp(0.88rem, 1.25vw, 0.96rem);
  line-height: 1.8;
  color: var(--mute);
}

.page-about .pa-block--paper .pa-block__sub {
  color: rgba(10, 20, 36, 0.6);
}

.page-about .pa-block__body p {
  margin: 0 0 1rem;
  max-width: 46rem;
  font-size: clamp(0.93rem, 1.3vw, 1.02rem);
  line-height: 1.88;
  color: rgba(251, 252, 254, 0.8);
}

.page-about .pa-block--paper .pa-block__body p,
.page-about .pa-block--paper .pa-need__txt {
  color: rgba(10, 20, 36, 0.76);
}

/* ---------- 三类使用者 ---------- */
.page-about .pa-needs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--stone);
  border-left: 2px solid var(--cyan);
}

.page-about .pa-need {
  background: var(--ink);
  padding: 1.05rem clamp(0.9rem, 2vw, 1.4rem);
}

.page-about .pa-need__who {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-about .pa-need__txt {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(251, 252, 254, 0.76);
}

/* ---------- 赛季时间线 ---------- */
.page-about .pa-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.55rem);
}

.page-about .pa-season {
  display: grid;
  gap: 0.4rem;
  padding: 0.1rem 0 0.1rem clamp(0.95rem, 2.4vw, 1.55rem);
  border-left: 2px solid var(--stone);
  transition: border-color var(--mid) var(--ease), transform var(--mid) var(--ease);
}

.page-about .pa-season:hover,
.page-about .pa-season:focus-within {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-about .pa-season__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
}

.page-about .pa-season__era {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  font-variant-numeric: tabular-nums;
}

.page-about .pa-season__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.04rem, 2vw, 1.22rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-about .pa-season__brief {
  margin: 0;
  max-width: 46rem;
  font-size: 0.9rem;
  line-height: 1.82;
  color: rgba(251, 252, 254, 0.74);
}

/* ---------- 团队分工 ---------- */
.page-about .pa-team {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-about .pa-roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--stone);
  border: 1px solid var(--stone);
}

.page-about .pa-role {
  background: var(--slate);
  padding: 1.1rem clamp(0.9rem, 2vw, 1.3rem);
  transition: background var(--mid) var(--ease), box-shadow var(--mid) var(--ease);
}

.page-about .pa-role:hover {
  background: #17273f;
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-about .pa-role__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.16rem 0.55rem;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  color: var(--cyan);
}

.page-about .pa-role__count {
  display: inline-block;
  margin-left: 0.6rem;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  vertical-align: -0.12em;
  font-variant-numeric: tabular-nums;
}

.page-about .pa-role__desc {
  margin: 0.7rem 0 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: rgba(251, 252, 254, 0.72);
}

.page-about .pa-team__figure {
  margin: 0;
  min-width: 0;
}

.page-about .pa-team__figure img,
.page-about .pa-data__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 数据协作 ---------- */
.page-about .pa-data {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
}

.page-about .pa-data__copy {
  min-width: 0;
}

.page-about .pa-data__copy p {
  margin: 0 0 1rem;
  max-width: 40rem;
  font-size: clamp(0.92rem, 1.3vw, 1rem);
  line-height: 1.88;
  color: rgba(251, 252, 254, 0.78);
}

.page-about .pa-flow {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--stone);
}

.page-about .pa-flow__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--stone);
}

.page-about .pa-flow__row dt {
  font-size: 0.85rem;
  color: var(--mute);
  line-height: 1.6;
}

.page-about .pa-flow__row dd {
  margin: 0;
  font-size: 0.86rem;
  color: var(--white);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-about .pa-flow__n {
  font-family: var(--font-mono);
  font-size: 1.24rem;
  font-weight: 700;
  color: var(--cyan);
  margin-right: 0.15em;
}

.page-about .pa-data__figure {
  margin: 0;
  min-width: 0;
  max-width: 32rem;
}

/* ---------- 覆盖范围 ---------- */
.page-about .pa-coverage {
  display: grid;
  gap: clamp(1.5rem, 3.4vw, 2.6rem);
}

.page-about .pa-coverage__map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(34px, 1fr));
  gap: 0.55rem;
  padding: 0.95rem;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(0deg, rgba(34, 52, 77, 0.55) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(34, 52, 77, 0.55) 0 1px, transparent 1px 26px),
    var(--slate);
}

.page-about .pa-dot {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: rgba(42, 212, 230, 0.18);
  border: 1px solid rgba(42, 212, 230, 0.45);
  transition: background var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-about .pa-dot:hover {
  background: var(--cyan);
  transform: scale(1.18);
}

.page-about .pa-dot::after {
  content: attr(data-scene);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.6rem);
  transform: translate(-50%, 4px);
  white-space: nowrap;
  padding: 0.3rem 0.55rem;
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--cyan);
  border-radius: 2px;
  opacity: 0;
  pointer-events: none;
  z-index: 5;
  transition: opacity var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-about .pa-dot:hover::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-about .pa-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .pa-scene {
  padding-left: 0.95rem;
  border-left: 2px solid var(--stone);
  transition: border-color var(--mid) var(--ease);
}

.page-about .pa-scene:hover {
  border-left-color: var(--orange);
}

.page-about .pa-scene__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .pa-scene__txt {
  margin: 0.4rem 0 0;
  font-size: 0.87rem;
  line-height: 1.78;
  color: rgba(251, 252, 254, 0.72);
}

/* ---------- 发布记录（浅色收尾） ---------- */
.page-about .pa-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(10, 20, 36, 0.14);
  border: 1px solid rgba(10, 20, 36, 0.14);
}

.page-about .pa-figure {
  background: var(--paper);
  padding: 1.05rem clamp(0.8rem, 2vw, 1.3rem);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-about .pa-figure__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.2vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-about .pa-figure__k {
  font-size: 0.8rem;
  line-height: 1.55;
  color: rgba(10, 20, 36, 0.62);
}

.page-about .pa-callout {
  margin-top: clamp(1.5rem, 3.5vw, 2.4rem);
  padding: clamp(1.1rem, 3vw, 1.7rem);
  background: rgba(251, 252, 254, 0.72);
  border: 1px solid rgba(10, 20, 36, 0.14);
  border-radius: var(--radius);
  box-shadow: 0 18px 40px -34px rgba(10, 20, 36, 0.8);
}

.page-about .pa-callout__txt {
  margin: 0;
  max-width: 44rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(10, 20, 36, 0.76);
}

.page-about .pa-callout__links {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.page-about .pa-block--paper .btn--ghost {
  color: var(--ink);
  border-color: rgba(10, 20, 36, 0.32);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .pa-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .pa-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.6rem;
  }

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

@media (min-width: 900px) {
  .page-about .pa-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4.2rem);
  }

  .page-about .pa-season:nth-child(odd) {
    max-width: 90%;
  }

  .page-about .pa-season:nth-child(even) {
    max-width: 78%;
    margin-left: auto;
    transform: translateX(-1.6rem);
  }

  .page-about .pa-season:nth-child(even):hover,
  .page-about .pa-season:nth-child(even):focus-within {
    transform: translateX(-1.2rem);
  }
}

@media (min-width: 960px) {
  .page-about .pa-team {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .pa-data {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: clamp(1.8rem, 4vw, 3.2rem);
  }

  .page-about .pa-coverage {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: clamp(1.8rem, 4vw, 3.4rem);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .pa-season,
  .page-about .pa-role,
  .page-about .pa-dot,
  .page-about .pa-scene {
    transition: none;
  }
  .page-about .pa-dot:hover {
    transform: none;
  }
}
<<<END>>>