/* ===== 关于乐动 /team/ ===== */

.page-about {
  --ab-rail-w: 104px;
  --ab-gap: 34px;
  --ab-band: clamp(52px, 8vw, 100px);
  display: block;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 88px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--white);
  background: var(--night);
  -webkit-font-smoothing: antialiased;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-title);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-about p,
.page-about ul,
.page-about ol,
.page-about figure,
.page-about blockquote {
  margin: 0;
}

.page-about .mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
}

/* ---------- 面包屑 ---------- */

.page-about .breadcrumbs {
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding: clamp(36px, 6vw, 78px) 0 clamp(26px, 4vw, 42px);
  max-width: 780px;
}

.page-about .about-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 18px;
}

.page-about .about-hero-title {
  font-size: clamp(30px, 5.4vw, 56px);
  color: var(--white);
}

.page-about .about-br {
  display: none;
}

@media (min-width: 700px) {
  .page-about .about-br {
    display: inline;
  }
}

.page-about .about-lede {
  margin-top: 22px;
  max-width: 40em;
  color: var(--sage);
  font-size: 17px;
}

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

/* ---------- 团队数字条 ---------- */

.page-about .about-tally {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

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

.page-about .tally-item {
  background: var(--deep);
  padding: 18px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .tally-num {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}

.page-about .tally-item:first-child .tally-num {
  color: var(--orange);
}

.page-about .tally-label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

/* ---------- 分栏骨架 ---------- */

.page-about .about-section {
  padding: var(--ab-band) 0;
}

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

@media (min-width: 768px) {
  .page-about .about-split {
    grid-template-columns: var(--ab-rail-w) minmax(0, 1fr);
    gap: var(--ab-gap);
  }
}

.page-about .about-rail {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
  .page-about .about-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 0 0 0 14px;
    border-bottom: 0;
    border-left: 2px solid var(--ice);
  }
}

.page-about .rail-num {
  font-size: 25px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ice);
}

.page-about .rail-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-about .about-h2 {
  font-size: clamp(24px, 3.4vw, 38px);
  color: var(--white);
  margin-bottom: 18px;
  max-width: 22em;
}

.page-about .about-body p {
  color: var(--sage);
  max-width: 40em;
  margin-bottom: 16px;
}

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

.page-about .about-note {
  font-size: 15px;
  color: var(--sage);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* ---------- 分工卡片 ---------- */

.page-about .role-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 30px;
}

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

.page-about .role-card {
  background: var(--deep);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  padding: 18px 18px 16px;
  transition: transform var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-about .role-card--a {
  transform: rotate(-1.6deg);
}

.page-about .role-card--b {
  background: var(--grass);
  transform: rotate(0.9deg);
}

.page-about .role-card--c {
  transform: rotate(-0.8deg);
}

.page-about .role-card:hover,
.page-about .role-card:focus-within,
.page-about .role-card[open] {
  transform: rotate(0deg);
  border-color: var(--orange);
}

.page-about .role-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

.page-about .role-head::-webkit-details-marker {
  display: none;
}

.page-about .role-head:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-about .role-name {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 19px;
  color: var(--white);
}

.page-about .role-plus {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-about .role-plus::before,
.page-about .role-plus::after {
  content: "";
  position: absolute;
  background: var(--orange);
  border-radius: 1px;
}

.page-about .role-plus::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-about .role-plus::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform var(--t-mid) ease;
  transform-origin: center;
}

.page-about .role-card[open] .role-plus::after {
  transform: scaleY(0);
}

.page-about .role-desc {
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid rgba(111, 211, 232, 0.18);
  font-size: 15px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 图片 ---------- */

.page-about .about-media {
  margin-top: 34px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(155deg, var(--grass), var(--deep));
}

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

.page-about .about-media--tall img {
  aspect-ratio: 3 / 2;
}

/* ---------- 时间流程 ---------- */

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

.page-about .flow::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--ice), rgba(111, 211, 232, 0.12));
}

.page-about .flow-item {
  position: relative;
  padding: 0 0 30px 30px;
}

.page-about .flow-item:last-child {
  padding-bottom: 0;
}

.page-about .flow-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.14);
}

.page-about .flow-time {
  display: block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-about .flow-item h3 {
  font-size: 19px;
  color: var(--white);
  margin: 7px 0 6px;
}

.page-about .flow-item p {
  color: var(--sage);
  font-size: 16px;
  max-width: 38em;
}

.page-about .flow-note {
  margin-top: 30px !important;
  font-size: 15px;
  color: var(--sage);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* ---------- 浅色区块：数据核对 ---------- */

.page-about .about-section--cream {
  background: var(--cream);
  border-radius: var(--r-lg);
  padding: clamp(32px, 5vw, 58px) clamp(22px, 4.5vw, 54px);
  color: var(--graphite);
}

.page-about .about-section--cream .about-h2 {
  color: var(--graphite);
}

.page-about .about-section--cream .about-body p {
  color: rgba(13, 21, 18, 0.74);
}

.page-about .about-section--cream .about-rail {
  border-bottom-color: rgba(13, 21, 18, 0.16);
}

.page-about .about-section--cream .rail-num {
  color: var(--orange);
}

.page-about .about-section--cream .rail-label {
  color: rgba(13, 21, 18, 0.55);
}

@media (min-width: 768px) {
  .page-about .about-section--cream .about-rail {
    border-bottom-color: transparent;
    border-left-color: var(--orange);
  }
}

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

@media (min-width: 720px) {
  .page-about .verify-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-about .verify-step {
  border-top: 2px solid rgba(13, 21, 18, 0.14);
  padding-top: 14px;
}

.page-about .verify-step-num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-about .verify-step h3 {
  font-size: 18px;
  color: var(--graphite);
  margin-bottom: 7px;
}

.page-about .verify-step p {
  font-size: 15px;
  line-height: 1.72;
  color: rgba(13, 21, 18, 0.72);
  margin: 0;
}

/* ---------- 大字引用 ---------- */

.page-about .about-quote {
  margin-top: var(--ab-band);
  padding: clamp(28px, 5vw, 52px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-quote blockquote {
  margin: 0;
}

.page-about .about-quote blockquote p {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-quote figcaption {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sage);
}

/* ---------- 合作收束 ---------- */

.page-about .about-cta {
  margin-top: var(--ab-band);
  padding: clamp(30px, 5vw, 52px) clamp(22px, 4vw, 46px);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--deep) 0%, var(--night) 62%);
  border: 1px solid var(--line);
}

.page-about .about-cta p {
  color: var(--sage);
  max-width: 40em;
  margin-top: 4px;
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 焦点与降级 ---------- */

.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .role-card,
  .page-about .role-plus::after {
    transition: none;
  }
  .page-about .role-card--a,
  .page-about .role-card--b,
  .page-about .role-card--c {
    transform: none;
  }
}

@media (min-width: 1024px) {
  .page-about {
    padding-inline: 32px;
  }
}