/* ==========================================================
   品牌自述 / about — 页面作用域 .page-about
   ========================================================== */
.page-about {
  --about-edge: rgba(242, 239, 230, 0.16);
  --about-edge-strong: rgba(242, 239, 230, 0.36);
  --about-tick: rgba(181, 98, 60, 0.62);
  --about-panel: rgba(42, 47, 58, 0.55);
  display: block;
}

/* ---------- 面包屑与首屏 ---------- */
.page-about .about-head {
  padding-block: clamp(16px, 2.4vw, 28px) 0;
}

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 4vw, 52px) clamp(30px, 5vw, 64px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -42%;
  right: -18%;
  width: min(760px, 86vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 44% 44%, rgba(107, 76, 230, 0.30), rgba(107, 76, 230, 0) 64%);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--signal) 0%, rgba(47, 216, 198, 0) 48%, rgba(242, 239, 230, 0.14) 100%);
  pointer-events: none;
}

.page-about .about-hero__eyebrow {
  color: var(--signal);
  letter-spacing: 0.14em;
  margin: 0;
}

.page-about .about-hero__title {
  margin: clamp(12px, 2vw, 22px) 0 0;
  max-width: 24ch;
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(24px, 3.4vw, 44px);
}

@media (min-width: 980px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.page-about .about-hero__lead {
  margin: 0;
  color: var(--paper);
  line-height: 1.6;
}

.page-about .about-hero__text {
  margin: 16px 0 0;
  max-width: 36em;
  color: var(--paper-72);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-about .about-stat {
  border: var(--stroke) solid var(--about-edge);
  border-left: 3px solid var(--orange);
  background: var(--about-panel);
  padding: 14px 16px 16px;
}

.page-about .about-stat__num {
  display: block;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.1;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-14);
  color: var(--paper-58);
  letter-spacing: 0.04em;
}

/* ---------- 章节索引条 ---------- */
.page-about .chapter-index {
  border-top: 1px solid var(--about-edge);
  border-bottom: 1px solid var(--about-edge);
  background: rgba(11, 16, 32, 0.72);
  padding-block: 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

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

.page-about .chapter-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  border: var(--stroke) solid var(--about-edge);
  padding: 8px 13px;
  font-size: var(--fs-14);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.page-about .chapter-index__link .mono {
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.12em;
}

.page-about .chapter-index__link:hover,
.page-about .chapter-index__link:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
  background: rgba(47, 216, 198, 0.07);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-body {
  padding-block: clamp(36px, 5vw, 72px) 0;
}

.page-about .chapter {
  position: relative;
  padding-block: clamp(34px, 5.2vw, 72px);
}

.page-about .chapter + .chapter {
  border-top: 1px solid rgba(181, 98, 60, 0.32);
}

.page-about .chapter + .chapter::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 108px;
  height: 2px;
  background: var(--clay);
}

.page-about .chapter__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.2vw, 28px);
}

@media (min-width: 900px) {
  .page-about .chapter__inner {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: clamp(22px, 3vw, 44px);
  }
}

.page-about .chapter__rail {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-left: 16px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--about-tick) 0 1px,
    rgba(181, 98, 60, 0) 1px var(--tick, 12px)
  );
  background-repeat: no-repeat;
  background-size: 1px 100%;
  background-position: 0 0;
  --tick: 12px;
}

.page-about .chapter--origin .chapter__rail { --tick: 9px; }
.page-about .chapter--lines .chapter__rail { --tick: 11px; }
.page-about .chapter--team .chapter__rail { --tick: 13px; }
.page-about .chapter--season .chapter__rail { --tick: 15px; }
.page-about .chapter--partners .chapter__rail { --tick: 17px; }
.page-about .chapter--voice .chapter__rail { --tick: 20px; }

.page-about .chapter__num {
  font-size: var(--fs-20);
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-about .chapter__tag {
  font-size: var(--fs-14);
  letter-spacing: 0.16em;
  color: var(--paper-58);
}

@media (min-width: 900px) {
  .page-about .chapter__rail {
    display: block;
    padding-left: 18px;
    min-height: 100%;
  }
  .page-about .chapter__tag {
    display: block;
    margin-top: 8px;
  }
}

.page-about .chapter__title {
  margin: 0;
  color: var(--paper);
  letter-spacing: 0.01em;
  line-height: 1.16;
  max-width: 22ch;
}

.page-about .chapter__lead {
  margin: 12px 0 0;
  font-size: var(--fs-20);
  line-height: 1.6;
  font-weight: 700;
  color: var(--gold);
  max-width: 30em;
}

.page-about .chapter__main > .type-body,
.page-about .chapter__text > .type-body {
  margin: 14px 0 0;
  color: var(--paper-72);
}

.page-about .chapter__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(18px, 2.6vw, 30px);
}

@media (min-width: 980px) {
  .page-about .chapter__cols {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-about .chapter__text > .type-body:first-child {
  margin-top: 0;
}

.page-about .chapter__aside {
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-about .chapter__aside .type-body {
  margin: 0;
  color: var(--paper-72);
}

.page-about .about-note {
  margin: 16px 0 0;
  border-left: 3px solid var(--signal);
  padding: 10px 0 10px 14px;
  font-size: var(--fs-17);
  line-height: 1.72;
  color: var(--paper);
  max-width: 38em;
}

/* ---------- 图片 ---------- */
.page-about .chapter__figure {
  margin: 0;
}

.page-about .chapter__figure--mid {
  margin-top: clamp(20px, 2.8vw, 32px);
}

.page-about .chapter__figure--wall {
  margin-top: clamp(20px, 2.8vw, 32px);
}

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

/* ---------- 数据标签 ---------- */
.page-about .chapter__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
}

@media (min-width: 720px) {
  .page-about .chapter__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 8px;
  border: var(--stroke) solid rgba(255, 122, 47, 0.45);
  background: rgba(255, 122, 47, 0.07);
  padding: 12px 14px;
  cursor: default;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-about .fact:hover,
.page-about .fact:focus-within,
.page-about .fact:focus {
  border-color: var(--orange);
  background: rgba(255, 122, 47, 0.12);
  outline: none;
}

.page-about .fact:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

.page-about .fact__num {
  font-size: var(--fs-28);
  color: var(--orange);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.page-about .fact__label {
  font-size: var(--fs-14);
  color: var(--paper);
  letter-spacing: 0.04em;
}

.page-about .fact__note {
  flex-basis: 100%;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-58);
  transition: max-height 220ms ease, opacity 220ms ease, margin-top 220ms ease;
}

.page-about .fact:hover .fact__note,
.page-about .fact:focus-within .fact__note,
.page-about .fact:focus .fact__note {
  max-height: 6em;
  opacity: 1;
  margin-top: 8px;
}

/* ---------- 四条主线 ---------- */
.page-about .lanes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
}

@media (min-width: 760px) {
  .page-about .lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .lane {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: start;
  gap: 4px 14px;
  border: var(--stroke) solid var(--about-edge);
  background: var(--about-panel);
  padding: 15px 17px 17px;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-about .lane:hover {
  border-color: var(--signal);
  background: rgba(47, 216, 198, 0.06);
}

.page-about .lane__idx {
  grid-row: span 2;
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 4px;
}

.page-about .lane__title {
  margin: 0;
  font-size: var(--fs-20);
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-about .lane__text {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--paper-72);
}

/* ---------- 团队分工 ---------- */
.page-about .teams {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .teams__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-block: 17px;
  border-top: 1px solid var(--about-edge);
}

@media (min-width: 760px) {
  .page-about .teams__row {
    grid-template-columns: minmax(140px, 196px) minmax(0, 1fr);
    gap: 4px 26px;
    align-items: baseline;
  }
}

.page-about .teams__name {
  margin: 0;
  font-size: var(--fs-20);
  letter-spacing: 0.05em;
  color: var(--signal);
}

.page-about .teams__desc {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.76;
  color: var(--paper-72);
  max-width: 40em;
}

/* ---------- 赛季节奏 ---------- */
.page-about .rhythm {
  list-style: none;
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  padding: 0;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .rhythm__item {
  position: relative;
  padding: 18px 0 20px 26px;
  border-top: 1px solid var(--about-edge);
}

.page-about .rhythm__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 11px;
  height: 11px;
  background: var(--clay);
}

@media (min-width: 760px) {
  .page-about .rhythm__item {
    display: grid;
    grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
    gap: 6px 26px;
    align-items: baseline;
    padding-left: 30px;
  }
  .page-about .rhythm__item::before {
    top: 30px;
  }
}

.page-about .rhythm__title {
  margin: 0;
  font-size: var(--fs-28);
  line-height: 1.2;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-about .rhythm__text {
  margin: 6px 0 0;
  font-size: var(--fs-17);
  line-height: 1.76;
  color: var(--paper-72);
  max-width: 40em;
}

@media (min-width: 760px) {
  .page-about .rhythm__text {
    margin-top: 0;
  }
}

/* ---------- 荣誉墙 ---------- */
.page-about .wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 30px);
}

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

@media (min-width: 1180px) {
  .page-about .wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .wall__cell {
  position: relative;
  min-height: 132px;
  border: var(--stroke) solid var(--about-edge);
  background: var(--about-panel);
  padding: 16px 18px 42px;
  color: var(--paper);
  transition: background-color 220ms ease, border-color 220ms ease, color 220ms ease;
}

.page-about .wall__cell::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 20px;
  height: 20px;
  border: var(--stroke) solid currentColor;
  border-radius: 50%;
  opacity: 0.55;
  transition: opacity 220ms ease, transform 220ms ease;
}

.page-about .wall__cell:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.page-about .wall__cell:hover::after {
  opacity: 0.9;
  transform: scale(1.12);
}

.page-about .wall__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  opacity: 0.66;
}

.page-about .wall__title {
  display: block;
  margin-top: 9px;
  font-size: var(--fs-20);
  line-height: 1.3;
  letter-spacing: 0.03em;
}

.page-about .wall__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  opacity: 0.78;
}

/* ---------- 视觉与用语 ---------- */
.page-about .motifs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(18px, 2.6vw, 30px) 0 0;
}

@media (min-width: 700px) {
  .page-about .motifs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-about .motifs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .motif {
  border-top: 3px solid var(--about-edge-strong);
  padding: 15px 0 0;
}

.page-about .motif:nth-child(1) { border-top-color: var(--violet); }
.page-about .motif:nth-child(2) { border-top-color: var(--signal); }
.page-about .motif:nth-child(3) { border-top-color: var(--gold); }
.page-about .motif:nth-child(4) { border-top-color: var(--orange); }

.page-about .motif__name {
  font-size: var(--fs-20);
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-about .motif__text {
  margin: 9px 0 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--paper-72);
}

/* ---------- 页尾入口 ---------- */
.page-about .about-next {
  margin-top: clamp(40px, 6vw, 80px);
  border-top: 2px solid var(--about-edge-strong);
  padding-block: clamp(30px, 4.4vw, 56px) clamp(28px, 4vw, 48px);
}

.page-about .about-next__title {
  margin: 0;
  color: var(--paper);
  letter-spacing: 0.03em;
}

.page-about .about-next__intro {
  margin: 12px 0 0;
  color: var(--paper-72);
}

.page-about .about-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
}

@media (min-width: 760px) {
  .page-about .about-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-next__link {
  display: block;
  border: var(--stroke) solid var(--about-edge);
  background: var(--about-panel);
  padding: 16px 18px 18px;
  text-decoration: none;
  color: var(--paper);
  transition: border-color 200ms ease, color 200ms ease, background-color 200ms ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  border-color: var(--signal);
  background: rgba(47, 216, 198, 0.07);
  color: var(--signal);
}

.page-about .about-next__name {
  display: block;
  font-size: var(--fs-20);
  letter-spacing: 0.04em;
}

.page-about .about-next__desc {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--paper-72);
}

.page-about .about-next__link:hover .about-next__desc,
.page-about .about-next__link:focus-visible .about-next__desc {
  color: var(--paper-72);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 479px) {
  .page-about .about-hero__stats {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-about .wall {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-about .chapter__lead {
    font-size: var(--fs-17);
  }
  .page-about .rhythm__title {
    font-size: var(--fs-20);
  }
}
<<<END>>>