/* ===== 页面作用域：使命与愿景 /mission/ ===== */
.page-about {
  --about-year-col: 118px;
}

/* ---------- 开篇 ---------- */
.page-about .about-hero {
  padding-block: 4px 34px;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-about .about-hero__main {
  min-width: 0;
}

.page-about .about-hero__main .ky-h1 {
  margin: 14px 0 18px;
  max-width: 17ch;
}

.page-about .about-hero__sub {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--stone);
  line-height: 1.78;
  font-size: .98rem;
}

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

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  padding: 24px 22px;
  border-radius: var(--r-lg);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-about .about-stat__num {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 6vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--jade);
}

.page-about .about-stat__cap {
  font-size: .8rem;
  line-height: 1.55;
  color: var(--stone);
}

/* ---------- 宽幅视觉 ---------- */
.page-about .about-banner {
  position: relative;
  margin: 0 0 6px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .ky-media {
  position: relative;
  display: block;
}

.page-about .ky-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

.page-about .about-banner .ky-media img,
.page-about .ky-media--21x9 img {
  aspect-ratio: 21 / 9;
}

/* ---------- 通用小节头部 ---------- */
.page-about .about-head {
  max-width: 700px;
  margin-bottom: 32px;
}

.page-about .about-head--wide {
  max-width: 820px;
}

.page-about .about-head .ky-h2 {
  margin: 12px 0 14px;
}

/* ---------- 读者场景 ---------- */
.page-about .about-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-scene {
  display: grid;
  gap: 8px 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-scene__time {
  font-size: .92rem;
  letter-spacing: .04em;
  color: var(--ice);
  padding-top: 3px;
}

.page-about .about-scene__body {
  min-width: 0;
}

.page-about .about-scene__body .ky-h3 {
  margin: 0 0 9px;
}

.page-about .about-scene__body p {
  margin: 0;
  max-width: 62ch;
  color: var(--stone);
  line-height: 1.78;
}

/* ---------- 团队构成 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-team__media {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .about-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-about .about-bar {
  min-width: 0;
}

.page-about .about-bar__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.page-about .about-bar__name {
  font-family: var(--font-head);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-about .about-bar__num {
  font-size: .9rem;
  color: var(--amber);
  white-space: nowrap;
}

.page-about .about-bar__rail {
  height: 6px;
  margin: 12px 0 11px;
  border-radius: var(--r-pill);
  background: var(--graphite);
  overflow: hidden;
}

.page-about .about-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
}

.page-about .about-bar__fill--a {
  width: 41%;
  background: linear-gradient(90deg, var(--jade-deep), var(--jade));
}

.page-about .about-bar__fill--b {
  width: 32%;
  background: linear-gradient(90deg, #1D6E8C, var(--ice));
}

.page-about .about-bar__fill--c {
  width: 26%;
  background: linear-gradient(90deg, #8C4608, var(--amber));
}

.page-about .about-bar__desc {
  margin: 0;
  max-width: 58ch;
  font-size: .92rem;
  line-height: 1.74;
  color: var(--stone);
}

/* ---------- 横向内容时间线 ---------- */
.page-about .about-ticks {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 80%;
  gap: 14px;
  margin-top: 4px;
  padding: 6px 2px 20px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .about-tick {
  position: relative;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(31, 37, 44, .86), rgba(20, 24, 29, .96));
}

.page-about .about-tick::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  width: 40px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--jade);
}

.page-about .about-tick__stage {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--ice);
}

.page-about .about-tick .ky-h4 {
  margin: 0;
  font-size: 1.1rem;
}

.page-about .about-tick p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--stone);
}

.page-about .about-tick .ky-note {
  margin-top: auto;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  font-size: .77rem;
  letter-spacing: .03em;
  color: #7D8894;
}

/* ---------- 纵向发展轴 ---------- */
.page-about .about-track {
  margin-top: 6px;
  border-top: 1px solid var(--line);
}

.page-about .about-mile {
  display: grid;
  gap: 12px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-mile__year {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 5.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--ice);
}

.page-about .about-mile__body {
  min-width: 0;
  max-width: 64ch;
}

.page-about .about-mile__body .ky-h3 {
  margin: 0 0 10px;
}

.page-about .about-mile__body p {
  margin: 0;
  color: var(--stone);
  line-height: 1.78;
}

/* ---------- 草原星空 ---------- */
.page-about .about-starlight {
  display: grid;
  gap: 28px;
  padding: 8px 4px;
  border-radius: var(--r-lg);
  background-image:
    radial-gradient(circle at 80% 16%, rgba(88, 200, 242, .11), transparent 44%),
    radial-gradient(circle at 10% 88%, rgba(0, 201, 123, .09), transparent 48%);
}

.page-about .about-starlight__media {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .about-starlight__text {
  min-width: 0;
}

.page-about .about-starlight__text .ky-h2 {
  margin: 12px 0 16px;
}

.page-about .about-starlight__text p {
  margin: 0 0 14px;
  max-width: 58ch;
  color: var(--stone);
  line-height: 1.8;
}

/* ---------- 媒体合作 ---------- */
.page-about .about-partners__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-about .about-partners__main {
  min-width: 0;
}

.page-about .about-partners__main .ky-h2 {
  margin: 12px 0 16px;
}

.page-about .about-partners__text {
  margin: 0 0 14px;
  max-width: 60ch;
  color: var(--stone);
  line-height: 1.78;
}

.page-about .about-partners__main .ky-btn {
  margin-top: 12px;
}

.page-about .about-partners__figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 24px;
  border: 1px solid var(--line-jade);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(0, 201, 123, .12), rgba(0, 201, 123, 0) 64%);
}

.page-about .about-partners__num {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 12vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  color: var(--jade);
}

.page-about .about-partners__cap {
  font-size: .85rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 收尾引导 ---------- */
.page-about .about-start__card {
  display: grid;
  gap: 24px;
  padding: 28px 24px;
  border-radius: var(--r-lg);
  background-image: radial-gradient(circle at 6% 0%, rgba(0, 201, 123, .16), transparent 58%);
}

.page-about .about-start__text {
  min-width: 0;
}

.page-about .about-start__text .ky-h3 {
  margin: 0 0 11px;
}

.page-about .about-start__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--stone);
  line-height: 1.76;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-ticks {
    grid-auto-columns: 46%;
  }
}

@media (min-width: 760px) {
  .page-about .about-scene {
    grid-template-columns: 136px minmax(0, 1fr);
    align-items: start;
  }
  .page-about .about-hero__actions {
    margin-top: 32px;
  }
}

@media (min-width: 880px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }
  .page-about .about-stats {
    padding: 30px 26px;
  }
  .page-about .about-mile {
    grid-template-columns: var(--about-year-col) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }
  .page-about .about-mile__year {
    position: sticky;
    top: calc(var(--top-h, 72px) + 30px);
  }
}

@media (min-width: 900px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
  .page-about .about-starlight {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: center;
    padding: 12px 18px;
  }
}

@media (min-width: 860px) {
  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .8fr);
    gap: 52px;
  }
}

@media (min-width: 820px) {
  .page-about .about-start__card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 38px 40px;
  }
}

@media (min-width: 1024px) {
  .page-about {
    --about-year-col: 132px;
  }
  .page-about .about-ticks {
    grid-auto-columns: minmax(0, 1fr);
    overflow: visible;
    padding: 6px 0 8px;
    scroll-snap-type: none;
  }
  .page-about .about-tick {
    padding: 30px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-ticks {
    scroll-behavior: auto;
  }
  .page-about * {
    transition: none !important;
    animation: none !important;
  }
}