.page-about {
  --about-frame-line: rgba(224, 169, 60, 0.34);
  --about-hair: rgba(224, 169, 60, 0.18);
  overflow-x: clip;
}

/* ===== 首屏框景 ===== */
.page-about .about-hero {
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(32px, 6vw, 66px);
}

.page-about .about-hero__frame {
  position: relative;
  margin-top: clamp(16px, 2.8vw, 26px);
  padding: clamp(24px, 4.6vw, 52px) clamp(20px, 4vw, 48px);
  border: 1px solid var(--about-frame-line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(43, 163, 148, 0.22), transparent 60%),
    radial-gradient(90% 120% at 100% 8%, rgba(200, 24, 43, 0.24), transparent 62%),
    linear-gradient(155deg, rgba(11, 37, 64, 0.92), rgba(6, 23, 38, 0.96));
}

.page-about .about-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(60deg, var(--net-line) 0 1px, transparent 1px 14px),
    repeating-linear-gradient(-60deg, var(--net-line-2) 0 1px, transparent 1px 14px);
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, rgba(224, 169, 60, 0.62) 0 1px, transparent 1px 20px);
}

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

.page-about .about-hero__lede {
  margin-top: clamp(12px, 2vw, 18px);
}

.page-about .about-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.2vw, 30px);
}

/* ===== 等宽数据面板 ===== */
.page-about .about-stats {
  margin-top: clamp(20px, 3.4vw, 32px);
  padding: clamp(14px, 2.4vw, 20px) clamp(16px, 3vw, 26px);
  border-left: 3px solid var(--c-red);
  background: linear-gradient(90deg, rgba(11, 37, 64, 0.76), rgba(6, 23, 38, 0.2));
}

.page-about .about-stats .cx-data__row + .cx-data__row {
  margin-top: 10px;
}

/* ===== 品牌起点：左轴时间线 ===== */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(28px, 4.4vw, 46px);
}

.page-about .about-origin__main {
  order: 1;
}

.page-about .about-origin__rail {
  order: 2;
}

.page-about .about-origin__main p {
  margin-top: 12px;
}

.page-about .cx-band--paper .cx-eyebrow {
  color: var(--c-red-deep);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3.4vw, 30px);
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-gold), rgba(224, 169, 60, 0.12));
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-about .about-timeline__seal {
  position: relative;
  z-index: 1;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  background: var(--c-red);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  box-shadow: 0 0 0 3px var(--c-paper);
}

.page-about .about-timeline__meta {
  margin: 2px 0 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-red-deep);
}

.page-about .about-timeline__body .cx-h3 {
  margin: 0 0 6px;
}

.page-about .about-timeline__body p:last-child {
  margin: 0;
}

/* ===== 媒体 ===== */
.page-about .about-media {
  margin: clamp(20px, 3vw, 30px) 0 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(224, 169, 60, 0.3);
  background: linear-gradient(160deg, rgba(11, 37, 64, 0.9), rgba(6, 23, 38, 0.95));
}

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

.page-about .about-media--tall img {
  aspect-ratio: 3 / 4;
}

.page-about .about-media__cap,
.page-about .about-media .cx-media__cap {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ===== 分区关系图 ===== */
.page-about .about-index__path {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--c-jade-lt);
}

.page-about .about-index__path span {
  color: var(--c-gold);
  padding: 0 6px;
}

.page-about .about-map {
  list-style: none;
  margin: clamp(22px, 3.6vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-map__zone {
  position: relative;
  padding: 18px 18px 18px 20px;
  border-left: 2px solid rgba(224, 169, 60, 0.45);
  background: linear-gradient(180deg, rgba(43, 163, 148, 0.12), rgba(11, 37, 64, 0) 72%);
  transition: background 320ms var(--speed), border-color 320ms var(--speed), opacity 320ms var(--speed);
}

.page-about .about-map__no {
  display: inline-block;
  padding: 2px 7px;
  border: 1px solid var(--c-gold);
  border-radius: 2px;
  color: var(--c-gold);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-about .about-map__zone .cx-h3 {
  margin: 12px 0 6px;
}

.page-about .about-map__note {
  margin: 0 0 14px;
  font-size: 14px;
  color: rgba(246, 240, 226, 0.72);
}

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

.page-about .about-map__rooms li {
  padding: 4px 9px;
  border: 1px solid rgba(143, 216, 206, 0.32);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-jade-lt);
  transition: border-color 260ms var(--speed), color 260ms var(--speed), background 260ms var(--speed);
}

.page-about .about-map__zone:hover,
.page-about .about-map__zone:focus-within {
  border-left-color: var(--c-neon);
  background: linear-gradient(180deg, rgba(255, 216, 107, 0.16), rgba(11, 37, 64, 0) 74%);
}

.page-about .about-map__zone:hover .about-map__rooms li,
.page-about .about-map__zone:focus-within .about-map__rooms li {
  border-color: rgba(255, 216, 107, 0.6);
  color: var(--c-gold-lt);
  background: rgba(255, 216, 107, 0.06);
}

.page-about .about-index__foot {
  margin-top: clamp(20px, 3vw, 30px);
  max-width: 62ch;
}

.page-about .about-index__foot a {
  color: var(--c-gold-lt);
  text-underline-offset: 3px;
}

.page-about .about-index .cx-rule {
  margin-top: clamp(24px, 4vw, 38px);
}

/* ===== 赛季刻度带 ===== */
.page-about .season-track {
  list-style: none;
  margin: clamp(22px, 3.6vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(224, 169, 60, 0.3);
}

.page-about .season-track__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .season-track__tag {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-neon);
}

.page-about .season-track__item .cx-h3 {
  margin: 0 0 6px;
}

.page-about .season-track__item p:last-child {
  margin: 0;
  font-size: 15px;
}

.page-about .about-season__foot {
  margin-top: clamp(20px, 3vw, 30px);
  max-width: 64ch;
  color: rgba(246, 240, 226, 0.78);
}

/* ===== 团队 ===== */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .about-team__text p {
  margin-top: 12px;
}

.page-about .about-team__text a {
  color: var(--c-red-deep);
  text-underline-offset: 3px;
}

.page-about .about-team__stats {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 16px;
  border-top: 1px solid rgba(20, 16, 14, 0.16);
}

.page-about .about-team__stats .cx-data__row {
  padding: 7px 0;
}

.page-about .about-team__stats .cx-data__key {
  color: var(--c-ink);
}

.page-about .about-team__stats .cx-data__val {
  color: var(--c-red-deep);
}

/* ===== 渠道数据带 ===== */
.page-about .about-reach__stats {
  margin-top: clamp(22px, 3.6vw, 34px);
  padding: clamp(16px, 2.6vw, 24px) clamp(16px, 3vw, 28px);
  background: linear-gradient(100deg, rgba(43, 163, 148, 0.14), rgba(6, 23, 38, 0.22));
  border-top: 1px solid rgba(255, 216, 107, 0.36);
  border-bottom: 1px solid rgba(255, 216, 107, 0.14);
}

.page-about .about-reach__stats .cx-data__row + .cx-data__row {
  margin-top: 10px;
}

.page-about .about-reach .cx-lede a {
  color: var(--c-gold-lt);
  text-underline-offset: 3px;
}

/* ===== 熟客通道 ===== */
.page-about .about-paths__grid {
  display: grid;
  gap: clamp(28px, 4.4vw, 48px);
}

.page-about .about-paths__text > p {
  margin-top: 12px;
}

.page-about .about-paths__list {
  list-style: none;
  counter-reset: path;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-paths__list li {
  counter-increment: path;
  position: relative;
  padding: 16px 0 16px 46px;
  border-top: 1px solid rgba(20, 16, 14, 0.16);
}

.page-about .about-paths__list li:last-child {
  border-bottom: 1px solid rgba(20, 16, 14, 0.16);
}

.page-about .about-paths__list li::before {
  content: "0" counter(path);
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-red);
}

.page-about .about-paths__list .cx-h3 {
  margin: 0 0 6px;
}

.page-about .about-paths__list p {
  margin: 0;
  font-size: 15px;
}

.page-about .about-paths__list a {
  color: var(--c-red-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-about .about-seal-card {
  margin: 0;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-about .about-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-about .season-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--about-hair);
  }

  .page-about .season-track__item {
    padding: 24px 26px;
    border-bottom: 0;
  }

  .page-about .season-track__item:first-child {
    padding-left: 0;
  }

  .page-about .season-track__item + .season-track__item {
    border-left: 1px solid rgba(224, 169, 60, 0.2);
  }
}

@media (min-width: 880px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-about .about-origin__rail {
    order: 1;
  }

  .page-about .about-origin__main {
    order: 2;
  }

  .page-about .about-paths__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 1060px) {
  .page-about .about-map {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-about .about-map__zone {
    padding: 20px 22px;
  }

  .page-about .about-map__zone + .about-map__zone {
    border-left: 1px solid rgba(224, 169, 60, 0.16);
  }
}

@media (hover: hover) and (pointer: fine) {
  .page-about .about-map:hover .about-map__zone {
    opacity: 0.48;
  }

  .page-about .about-map:hover .about-map__zone:hover {
    opacity: 1;
  }

  .page-about .about-timeline__item:hover .about-timeline__seal {
    background: var(--c-red-deep);
    box-shadow: 0 0 0 3px var(--c-paper), 0 0 0 4px rgba(224, 169, 60, 0.6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .page-about .about-map__zone,
  .page-about .about-map__rooms li,
  .page-about .about-timeline__seal {
    transition: none;
  }
}