/* ===== 品牌中心 · page-about ===== */

.page-about {
  --about-line: rgba(58, 70, 64, .7);
  --about-soft: rgba(232, 227, 214, .07);
  background: var(--ink-deep);
  padding-bottom: 24px;
}

/* ---- 面包屑 ---- */
.page-about .about-crumb {
  padding-top: 20px;
  padding-bottom: 4px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-about .about-crumb a {
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.page-about .about-crumb a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-about .about-crumb__sep { color: var(--stone); }
.page-about .about-crumb__now { color: var(--white); }

/* ---- 首屏 ---- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 34px 0 56px;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -20%;
  width: 82%;
  height: 168%;
  background: linear-gradient(158deg, rgba(198, 255, 61, .15) 0%, rgba(198, 255, 61, .035) 44%, transparent 72%);
  transform: rotate(-9deg);
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -8%;
  bottom: 10%;
  width: 56%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(198, 255, 61, .65), transparent);
  transform: rotate(-6deg);
  pointer-events: none;
}
.page-about .about-hero__inner {
  display: grid;
  gap: 32px;
}
.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.2vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -.005em;
  color: var(--white);
  margin: 18px 0 18px;
  transform: skewX(-3deg);
  transform-origin: left bottom;
  text-wrap: balance;
}
.page-about .about-hero__lede {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.78;
  color: var(--gray);
  max-width: 34em;
  margin: 0 0 24px;
}
.page-about .about-hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-about .about-hero__pills .pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--about-line);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.page-about .about-hero__pills .pill:hover {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 255, 61, .07);
}
.page-about .about-hero__figure {
  margin: 0;
}
.page-about .about-hero__figure .figure__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-line);
}

/* ---- 主布局：索引 + 正文 ---- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: 8px;
}
.page-about .about-body {
  display: flex;
  flex-direction: column;
  gap: 68px;
  min-width: 0;
}

/* ---- 章节索引 ---- */
.page-about .about-index {
  border-top: 1px solid var(--about-line);
  padding-top: 18px;
}
.page-about .about-index .chapter-index__title {
  font-family: var(--font-display);
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray);
  margin: 0 0 14px;
  font-weight: 700;
}
.page-about .about-index__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px 9px 0;
  font-size: 14.5px;
  color: var(--gray);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: color .2s ease, border-color .2s ease, transform .24s ease;
}
.page-about .about-index__link:hover,
.page-about .about-index__link.is-active {
  color: var(--lime);
  border-left-color: var(--lime);
  transform: translateY(-4px);
}
.page-about .about-index__no {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: .04em;
}

/* ---- 章节通用 ---- */
.page-about .about-chapter {
  scroll-margin-top: 130px;
  position: relative;
}
.page-about .about-chapter--stone {
  background: var(--ink-moss);
  border-radius: var(--radius-lg);
  padding: 30px 22px 34px;
  margin-left: -22px;
  margin-right: -22px;
}
.page-about .about-chapter__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.page-about .about-chapter__head .chapter-num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--orange);
}
.page-about .about-chapter__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 5.2vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -.004em;
  color: var(--white);
  margin: 0;
  text-wrap: balance;
}
.page-about .about-chapter__quote {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.6vw, 1.42rem);
  line-height: 1.5;
  color: var(--cream);
  background: var(--about-soft);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin: 0 0 20px;
  max-width: 32em;
}
.page-about .about-chapter__body {
  max-width: 38em;
}
.page-about .about-chapter__body p {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.78;
  color: var(--gray);
  margin: 0 0 16px;
}
.page-about .about-chapter__body p:last-child { margin-bottom: 0; }
.page-about .about-chapter__body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .4);
  transition: border-color .2s ease, color .2s ease;
}
.page-about .about-chapter__body a:hover {
  color: var(--cool);
  border-bottom-color: var(--cool);
}

/* ---- 02 赛季演进 ---- */
.page-about .about-seasons {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 8px;
}
.page-about .about-seasons__figure { margin: 0; }
.page-about .about-seasons__figure .figure__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--about-line);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 30px;
  position: relative;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime), var(--orange));
  opacity: .5;
}
.page-about .tl-node {
  position: relative;
  padding-bottom: 30px;
}
.page-about .tl-node:last-child { padding-bottom: 0; }
.page-about .tl-node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--lime);
  transition: background-color .24s ease, box-shadow .24s ease;
}
.page-about .about-chapter--stone .tl-node::before { background: var(--ink-moss); }
.page-about .tl-node:hover::before,
.page-about .tl-node:focus-within::before {
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(198, 255, 61, .16);
}
.page-about .tl-node__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}
.page-about .tl-node__ver {
  font-family: var(--font-data);
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-about .tl-node__season {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}
.page-about .tl-node__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.16rem;
  line-height: 1.3;
  color: var(--white);
  margin: 0 0 6px;
}
.page-about .tl-node__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  margin: 0 0 10px;
  max-width: 34em;
}
.page-about .tl-node__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-about .tl-key {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--cool);
  border: 1px solid rgba(207, 230, 224, .3);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.page-about .tl-node:hover .tl-key {
  color: var(--ink-deep);
  background: var(--cool);
  border-color: var(--cool);
}

/* ---- 03 数据指标 ---- */
.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 6px 0 26px;
}
.page-about .about-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(11, 31, 24, .55);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  padding: 18px 16px 16px;
  transition: border-color .22s ease, transform .22s ease;
}
.page-about .about-metric:hover {
  border-color: rgba(198, 255, 61, .55);
  transform: translateY(-3px);
}
.page-about .about-metric__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray);
}
.page-about .about-metric__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.page-about .about-metric__num {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: clamp(1.85rem, 6vw, 2.5rem);
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-about .about-metric__unit {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--gray);
}
.page-about .about-metric__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---- 04 双屏对照 ---- */
.page-about .about-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 6px 0 24px;
}
.page-about .about-duo__col {
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  background: rgba(16, 19, 18, .45);
}
.page-about .about-duo__col--moss {
  background: var(--ink-moss);
  border-color: rgba(198, 255, 61, .28);
}
.page-about .about-duo__tag {
  display: inline-block;
  margin-bottom: 12px;
}
.page-about .about-duo__head {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--white);
  margin: 0 0 14px;
}
.page-about .about-duo__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.page-about .about-duo__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--gray);
}
.page-about .about-duo__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  opacity: .8;
}
.page-about .about-duo__col--moss .about-duo__list li::before { background: var(--orange); }

/* ---- 05 家庭观赛 ---- */
.page-about .about-chapter--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-about .about-chapter__col { min-width: 0; }
.page-about .about-chapter__figure { margin: 0; }
.page-about .about-chapter__figure .figure__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--about-line);
}

/* ---- 06 团队 ---- */
.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 6px 0 24px;
}
.page-about .about-team__card {
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: rgba(11, 31, 24, .5);
  padding: 20px 18px;
  transition: border-color .22s ease, background-color .22s ease;
}
.page-about .about-team__card:hover {
  border-color: rgba(255, 122, 26, .55);
  background: rgba(30, 58, 47, .7);
}
.page-about .about-team__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
  margin-bottom: 8px;
}
.page-about .about-team__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  margin: 0 0 8px;
}
.page-about .about-team__card p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--gray);
  margin: 0;
}

/* ---- 07 认可 ---- */
.page-about .about-awards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 6px 0 24px;
}
.page-about .about-award {
  border-top: 1px solid var(--about-line);
  padding: 18px 0 4px;
}
.page-about .about-award__k {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime);
  margin-bottom: 10px;
}
.page-about .about-award p {
  font-size: 15px;
  line-height: 1.76;
  color: var(--gray);
  margin: 0;
  max-width: 36em;
}

/* ===== 响应式 ===== */
@media (min-width: 620px) {
  .page-about .about-chapter--stone {
    padding: 34px 30px 38px;
    margin-left: 0;
    margin-right: 0;
  }
  .page-about .about-team { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-awards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
  .page-about .about-award { padding-top: 20px; }
}

@media (min-width: 780px) {
  .page-about .about-hero { padding: 44px 0 72px; }
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: 44px;
  }
  .page-about .about-hero__figure { transform: translateY(12px); }
  .page-about .about-body { gap: 84px; }
  .page-about .about-metrics { gap: 16px; }
  .page-about .about-duo { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .page-about .about-chapter--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 34px;
  }
  .page-about .about-chapter__figure { transform: translateY(18px); }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 52px;
    padding-top: 20px;
  }
  .page-about .about-index {
    position: sticky;
    top: 118px;
    align-self: start;
    border-top: none;
    padding-top: 0;
    border-left: 1px solid var(--about-line);
    padding-left: 0;
    margin-left: -1px;
  }
  .page-about .about-index .chapter-index__title {
    padding-left: 14px;
  }
  .page-about .about-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .about-team { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .about-seasons {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 34px;
    align-items: start;
  }
  .page-about .about-seasons__figure { position: sticky; top: 130px; }
}

@media (min-width: 1180px) {
  .page-about .about-chapter__quote { padding: 20px 26px; }
}