/* ================= 品牌历程页 ================= */

.page-about .section {
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: 28px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 36px;
  margin-top: 30px;
}

@media (min-width: 920px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 1px;
    align-items: end;
    margin-top: 36px;
  }
}

.page-about .about-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-size: clamp(28px, 5.4vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 15em;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__stats {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 8px;
}

@media (min-width: 920px) {
  .page-about .about-hero__stats {
    padding-left: 36px;
    border-left: 1px solid var(--line);
  }
}

.page-about .stat-score {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .stat-score:first-child {
  border-top: 1px solid var(--line);
}

.page-about .stat-score__value {
  font-family: var(--mono);
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-about .stat-score__unit {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--mist);
}

.page-about .stat-score__label {
  flex-basis: 100%;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 44px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

@media (min-width: 760px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--night);
}

.page-about .about-fact__num {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 600;
  line-height: 1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-about .about-fact__txt {
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 01 时间轴 ---------- */
.page-about .about-timeline__figure {
  margin: 0 0 40px;
}

.page-about .tl-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 1000px) {
  .page-about .tl-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 78px;
    gap: 40px;
    align-items: start;
  }
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--cyan) 44%, var(--green) 100%);
  opacity: 0.5;
  pointer-events: none;
}

.page-about .tl__node {
  position: relative;
  padding-left: 28px;
  z-index: 1;
}

.page-about .tl__flag {
  position: absolute;
  left: 1px;
  top: 20px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 11px solid var(--green);
  transition: transform 0.2s ease;
}

.page-about .tl__node:hover .tl__flag {
  transform: translateX(2px);
}

.page-about .tl__card {
  background: var(--stand);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  padding: 18px 20px 20px;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-about .tl__year {
  display: block;
  font-family: var(--mono);
  font-size: clamp(24px, 4.2vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-about .tl__label {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-about .tl__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 860px) {
  .page-about .tl__node:nth-child(1) {
    margin-left: 0;
  }
  .page-about .tl__node:nth-child(2) {
    margin-left: 5%;
  }
  .page-about .tl__node:nth-child(3) {
    margin-left: 10%;
  }
  .page-about .tl__node:nth-child(4) {
    margin-left: 15%;
  }
  .page-about .tl__node:nth-child(5) {
    margin-left: 20%;
  }

  .page-about .tl__node:nth-child(1) .tl__card {
    max-width: 420px;
  }
  .page-about .tl__node:nth-child(2) .tl__card {
    max-width: 470px;
  }
  .page-about .tl__node:nth-child(3) .tl__card {
    max-width: 530px;
  }
  .page-about .tl__node:nth-child(4) .tl__card {
    max-width: 580px;
  }
  .page-about .tl__node:nth-child(5) .tl__card {
    max-width: 640px;
  }
}

.page-about .tl-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  order: -1;
}

.page-about .tl-nav::-webkit-scrollbar {
  display: none;
}

.page-about .tl-nav__title {
  display: none;
}

@media (min-width: 1000px) {
  .page-about .tl-nav {
    order: 0;
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 76px;
  }

  .page-about .tl-nav__title {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--mist);
    margin-bottom: 4px;
  }
}

.page-about .tl-nav__link {
  flex: none;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  color: var(--mist);
  border: 1px solid var(--line);
  padding: 9px 12px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .tl-nav__link:hover,
.page-about .tl-nav__link:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

/* ---------- 02 赛季节奏 ---------- */
.page-about .about-cycle__grid {
  row-gap: 32px;
}

.page-about .about-cycle__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 38em;
}

.page-about .duty {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-about .duty__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-about .duty__row:last-child {
  border-bottom: 1px solid var(--line);
}

@media (max-width: 520px) {
  .page-about .duty__row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.page-about .duty__time {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--orange);
  padding-top: 3px;
}

.page-about .duty__what {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-about .duty__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-cycle__figure {
  margin: 0;
}

/* ---------- 03 数据来源 ---------- */
.page-about .about-source__grid {
  row-gap: 28px;
}

.page-about .about-source__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 38em;
}

.page-about .about-source__panel {
  margin: 0;
}

.page-about .about-source__panel-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .metric-grid {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

@media (min-width: 640px) {
  .page-about .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .metric-grid__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  background: var(--stand);
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--white);
}

.page-about .metric-grid__dot {
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-about .about-source__figure {
  margin: 40px 0 0;
}

/* ---------- 04 团队 ---------- */
.page-about .about-team__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 42em;
}

.page-about .team-list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 780px) {
  .page-about .team-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .team-list__item:nth-child(1) {
    grid-column: span 4;
  }
  .page-about .team-list__item:nth-child(2) {
    grid-column: span 2;
  }
  .page-about .team-list__item:nth-child(3) {
    grid-column: span 2;
  }
  .page-about .team-list__item:nth-child(4) {
    grid-column: span 4;
  }
  .page-about .team-list__item:nth-child(5) {
    grid-column: span 6;
  }
}

.page-about .team-list__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 20px 20px 22px;
  background: var(--stand);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-about .team-list__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-about .team-list__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-about .team-list__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 05 合作与认可 ---------- */
.page-about .coop-grid {
  display: grid;
  gap: 36px;
}

@media (min-width: 880px) {
  .page-about .coop-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
  }
}

.page-about .coop-grid__title {
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .coop-list__item {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-about .coop-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .coop-list__num {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-about .coop-list__txt {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .award-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .award-list__item {
  padding: 16px 18px;
  background: var(--stand);
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
}

.page-about .award-list__year {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 6px;
}

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

.page-about .coop-grid__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 06 赛季之外 ---------- */
.page-about .offseason-grid {
  display: grid;
  gap: 32px;
}

@media (min-width: 880px) {
  .page-about .offseason-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: start;
  }
}

.page-about .offseason-grid__lede {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
  max-width: 40em;
}

.page-about .offseason-grid__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
}

.page-about .offseason-grid__panel-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-cta {
  margin-top: 34px;
  padding: 22px 24px;
  background: var(--stand);
  border: 1px solid var(--line);
  border-left: 2px solid var(--green);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-about .about-cta__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-about .about-cta__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .tl__flag,
  .page-about .tl-nav__link {
    transition: none;
  }
  .page-about .tl__node:hover .tl__flag {
    transform: none;
  }
}