.page-about {
  --about-num-w: clamp(2.8rem, 7vw, 4.4rem);
  --about-num-size: clamp(2.1rem, 6vw, 3.1rem);
  --about-hair: rgba(30, 68, 56, .85);
  --about-live-glow: rgba(53, 242, 208, .16);
  --about-archive-glow: rgba(255, 154, 60, .18);
  --about-link-line: rgba(53, 242, 208, .35);
  display: block;
}

/* ---------- 顶部上下文 ---------- */
.page-about .about-top {
  padding-top: clamp(1.1rem, 3vw, 1.8rem);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3.4vw, 2.6rem);
  align-items: end;
  padding-block: clamp(1.2rem, 3.4vw, 2.4rem) clamp(2rem, 5vw, 3.4rem);
}

.page-about .about-hero__title {
  font-size: var(--fs-40);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: .55rem 0 .9rem;
}

.page-about .about-hero__meta {
  margin: 1rem 0 0;
  color: var(--mono-ink);
}

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

@media (min-width: 880px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }
}

/* ---------- 正文骨架：章节跟随 + 内容流 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.2rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
}

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

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(2.2rem, 4vw, 3.4rem);
    align-items: start;
  }

  .page-about .about-rail {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

.page-about .about-flow {
  display: block;
}

/* ---------- 章节 ---------- */
.page-about .about-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .4rem;
  padding-block: clamp(1.6rem, 3.6vw, 2.5rem);
  border-top: 1px solid var(--about-hair);
  scroll-margin-top: 100px;
}

.page-about .about-chapter__num {
  font-family: var(--font-display);
  font-size: var(--about-num-size);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.04em;
  color: var(--live);
  opacity: .3;
  display: block;
}

.page-about .about-chapter__body > p {
  margin: 0 0 1rem;
  color: var(--ink-dim);
  max-width: 40em;
}

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

.page-about .about-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: .9rem;
}

.page-about .about-chapter__head h2 {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.page-about .about-chapter__note {
  flex: 0 0 auto;
  color: var(--live-2);
  opacity: .85;
}

@media (min-width: 720px) {
  .page-about .about-chapter {
    grid-template-columns: var(--about-num-w) minmax(0, 1fr);
    column-gap: clamp(.9rem, 2.4vw, 1.8rem);
  }

  .page-about .about-chapter__num {
    padding-top: .35rem;
  }
}

/* ---------- 六类入口 ---------- */
.page-about .about-views {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--about-hair);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-views li {
  display: grid;
  gap: .15rem;
  background: var(--turf);
  padding: clamp(.8rem, 2vw, 1.05rem);
  transition: background var(--dur) var(--ease-out);
}

.page-about .about-views li:hover {
  background: var(--glass);
}

.page-about .about-views strong {
  color: var(--ink);
  font-weight: 600;
  font-size: var(--fs-16);
}

.page-about .about-views span {
  color: var(--ink-dim);
  font-size: var(--fs-14);
  line-height: 1.5;
}

/* ---------- 双线对照 ---------- */
.page-about .about-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(.9rem, 2vw, 1.2rem);
  margin: 1.2rem 0;
}

.page-about .about-pair__card h3 {
  margin: .8rem 0 .5rem;
}

.page-about .about-pair__card p {
  margin: 0;
  color: var(--ink-dim);
  font-size: var(--fs-16);
}

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

/* ---------- 采编步骤 ---------- */
.page-about .about-steps {
  list-style: none;
  margin: 1.2rem 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--about-hair);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(.7rem, 2vw, 1.2rem);
  align-items: start;
  background: var(--turf);
  padding: clamp(.9rem, 2.2vw, 1.3rem);
}

.page-about .about-steps__idx {
  color: var(--live-2);
  letter-spacing: .1em;
  padding-top: .22rem;
}

.page-about .about-steps h3 {
  margin: 0 0 .3rem;
}

.page-about .about-steps p {
  margin: 0;
  color: var(--ink-dim);
  font-size: var(--fs-16);
}

.page-about .about-flow__media {
  margin: 1.4rem 0;
}

/* ---------- 数据面板 ---------- */
.page-about .about-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--about-hair);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-block: clamp(1.6rem, 3.6vw, 2.4rem);
}

.page-about .about-band .stat {
  background: linear-gradient(180deg, var(--glass), var(--turf));
  padding: clamp(1rem, 2.6vw, 1.5rem);
}

.page-about .about-band .stat__value {
  font-family: var(--font-display);
  color: var(--live);
  letter-spacing: -.02em;
}

.page-about .about-band .stat__value em {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  color: var(--ink-dim);
  margin-left: .25em;
  letter-spacing: 0;
}

.page-about .about-band .stat__label {
  display: block;
  margin-top: .4rem;
  color: var(--ink-dim);
  font-size: var(--fs-14);
}

/* ---------- 赛季时间轴 ---------- */
.page-about .about-timeline-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2rem);
  margin-top: 1.2rem;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.7rem;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .55rem;
  bottom: .55rem;
  width: 2px;
  background: linear-gradient(180deg, var(--archive) 0%, var(--archive-2) 62%, var(--edge) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: clamp(1.2rem, 3vw, 1.7rem);
  border-radius: var(--r-sm);
  transition: background var(--dur) var(--ease-out);
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -1.7rem;
  top: .42rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--archive);
  box-shadow: 0 0 0 3px var(--about-archive-glow);
  transition: box-shadow var(--dur) var(--ease-out);
}

.page-about .about-timeline__item:hover::before {
  box-shadow: 0 0 0 6px var(--about-archive-glow);
}

.page-about .about-timeline__item--now::before {
  background: var(--void);
  border: 2px solid var(--live);
  box-shadow: 0 0 0 3px var(--about-live-glow);
}

.page-about .about-timeline__mark {
  display: block;
  color: var(--archive);
  letter-spacing: .08em;
  margin-bottom: .35rem;
}

.page-about .about-timeline__item--now .about-timeline__mark {
  color: var(--live);
}

.page-about .about-timeline__item h3 {
  margin: 0 0 .35rem;
}

.page-about .about-timeline__item p {
  margin: 0;
  color: var(--ink-dim);
  font-size: var(--fs-16);
}

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

@media (min-width: 820px) {
  .page-about .about-timeline-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, .48fr);
  }
}

/* ---------- 团队分工 ---------- */
.page-about .about-roles {
  list-style: none;
  margin: 1.2rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(.9rem, 2vw, 1.2rem);
}

.page-about .about-roles li {
  background: var(--turf);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  padding: clamp(1rem, 2.4vw, 1.4rem);
  transition: border-color var(--dur) var(--ease-out);
}

.page-about .about-roles li:hover {
  border-color: var(--live);
}

.page-about .about-roles__count {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-40);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--live);
  margin-bottom: .55rem;
}

.page-about .about-roles h3 {
  margin: 0 0 .35rem;
}

.page-about .about-roles p {
  margin: 0;
  color: var(--ink-dim);
  font-size: var(--fs-16);
}

@media (min-width: 820px) {
  .page-about .about-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 联系方式小块 ---------- */
.page-about .about-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(.9rem, 2vw, 1.2rem);
  margin: 1.4rem 0;
}

.page-about .about-contact__item {
  background: var(--glass);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-md);
  padding: clamp(1rem, 2.4vw, 1.3rem);
}

.page-about .about-contact__item h3 {
  margin: 0 0 .6rem;
}

.page-about .about-contact__item .mono-note {
  display: block;
  margin: 0 0 .3rem;
  color: var(--mono-ink);
}

.page-about .about-contact__item .mono-note:last-child {
  margin-bottom: 0;
}

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

/* ---------- 内联链接 ---------- */
.page-about .about-link {
  color: var(--live);
  text-decoration: none;
  border-bottom: 1px solid var(--about-link-line);
  transition: border-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 图片容器兜底 ---------- */
.page-about .media-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-views li,
  .page-about .about-roles li,
  .page-about .about-timeline__item,
  .page-about .about-timeline__item::before,
  .page-about .about-link {
    transition: none;
  }
}
</main>