.page-about{
  --about-rail: 132px;
  --about-gap: 40px;
  --about-rule: rgba(17,18,20,.16);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs{
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-about .about-lede{
  position: relative;
  overflow: hidden;
  padding-block: 28px 48px;
}
.page-about .about-lede::before{
  content:"";
  position:absolute;
  top:-22%;
  right:-16%;
  width:74%;
  height:150%;
  background: linear-gradient(158deg, rgba(168,18,31,.14), rgba(255,90,31,.18) 58%, rgba(200,155,60,.10));
  transform: rotate(9deg);
  pointer-events:none;
  z-index:0;
}
.page-about .about-lede::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:38%;
  height:1px;
  background: var(--phx-red);
  transform: rotate(-1.4deg);
  transform-origin:left center;
  z-index:1;
}
.page-about .about-lede__inner{
  position: relative;
  z-index: 2;
}
.page-about .about-lede__eyebrow{
  letter-spacing:.12em;
  color: var(--phx-red);
}
.page-about .about-lede__title{
  margin: 14px 0 0;
  max-width: 17em;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 900;
}
.page-about .about-lede__lede{
  margin: 20px 0 0;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.85;
}

.page-about .about-facts{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--phx-line-strong);
  background: var(--about-rule);
}
.page-about .about-facts__item{
  background: var(--phx-bone);
  padding: 16px 4px 14px 0;
}
.page-about .about-facts__num{
  display: block;
  font-family: var(--phx-font-mono);
  font-size: clamp(26px, 6vw, 40px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1;
  color: var(--phx-flame);
}
.page-about .about-facts__label{
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--phx-muted);
}
@media (min-width: 760px){
  .page-about .about-facts{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
  .page-about .about-facts__item{
    padding: 18px 22px 18px 0;
  }
}

/* ---------- 章节索引条 ---------- */
.page-about .about-index{
  position: sticky;
  top: var(--phx-topbar-h);
  z-index: 4;
  margin-top: 6px;
  background: var(--phx-bone);
  border-top: 1px solid var(--phx-line);
  border-bottom: 1px solid var(--phx-line);
}
.page-about .about-index__list{
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-about .about-index__list::-webkit-scrollbar{
  display: none;
}
.page-about .about-index__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 14px;
  text-decoration: none;
  color: var(--phx-fg);
  border: 1px solid transparent;
  transition: border-color 180ms var(--phx-ease), color 180ms var(--phx-ease);
}
.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible{
  border-color: var(--phx-brass);
  color: var(--phx-red);
}
.page-about .about-index__num{
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--phx-brass);
}
@media (min-width: 900px){
  .page-about .about-index{ top: 0; }
}

/* ---------- 主体流程 ---------- */
.page-about .about-body{
  padding-block: 56px 96px;
}
.page-about .about-flow{
  display: grid;
  gap: 72px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-entry{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-about .about-entry__marker{
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-about .about-entry__num{
  display: inline-block;
  padding: 3px 7px;
  background: var(--phx-red);
  color: var(--phx-bone);
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}
.page-about .about-entry__season{
  font-family: var(--phx-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--phx-muted);
}
.page-about .about-entry__content{
  min-width: 0;
}
.page-about .about-entry__content > .phx-h2{
  margin: 0 0 16px;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -.015em;
}
.page-about .about-entry__content p{
  max-width: 70ch;
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.85;
}
.page-about .about-entry__content p:last-child{
  margin-bottom: 0;
}

@media (min-width: 900px){
  .page-about .about-entry{
    grid-template-columns: var(--about-rail) minmax(0,1fr);
    column-gap: var(--about-gap);
  }
  .page-about .about-entry__marker{
    display: block;
    padding-top: 14px;
    border-top: 1px solid var(--phx-line-strong);
  }
  .page-about .about-entry__season{
    display: block;
    margin-top: 14px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--phx-ink);
  }
  .page-about .about-entry + .about-entry::before{
    content:"";
    position:absolute;
    top: calc(-1 * var(--about-gap) / 2);
    left: 0;
    width: var(--about-rail);
    height: 1px;
    background: var(--phx-line-strong);
    transform: rotate(-3deg);
    transform-origin: left center;
  }
}

/* ---------- 要点清单 ---------- */
.page-about .about-points{
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--phx-line);
}
.page-about .about-points li{
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--phx-line);
  font-size: 15px;
  line-height: 1.72;
}
.page-about .about-points li::before{
  content:"";
  position:absolute;
  left: 0;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--phx-brass);
  transform: rotate(45deg);
}

/* ---------- 配图 ---------- */
.page-about .about-shot{
  margin: 30px 0 0;
  border: 1px solid var(--phx-line);
  background: var(--phx-night);
}
.page-about .about-shot .phx-media__cap{
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--phx-mist);
  background: var(--phx-night);
  border-top: 1px solid rgba(231,227,218,.14);
}
.page-about .phx-media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-shot--crew{
  max-width: 46rem;
}
.page-about .about-shot--archive{
  margin-top: 34px;
}

/* ---------- 四类区间表格 ---------- */
.page-about .about-ranges{
  margin-top: 26px;
}
.page-about .about-ranges__caption{
  caption-side: top;
  text-align: left;
  padding-bottom: 10px;
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--phx-muted);
}
.page-about .phx-table{
  width: 100%;
}
.page-about .phx-table tbody tr{
  transition: background-color 180ms var(--phx-ease);
}
.page-about .phx-table tbody tr:hover{
  background: rgba(255,90,31,.08);
}
.page-about .phx-table th[scope="row"]{
  font-weight: 700;
  white-space: nowrap;
}
.page-about .about-note{
  margin-top: 22px;
  padding-left: 16px;
  border-left: 3px solid var(--phx-brass);
  font-size: 15px;
  line-height: 1.8;
  color: var(--phx-muted);
}

/* ---------- 团队柱状图 ---------- */
.page-about .about-crew{
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-crew__row{
  display: grid;
  grid-template-columns: minmax(74px, 92px) minmax(0,1fr) 34px;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.page-about .about-crew__role{
  color: var(--phx-fg);
}
.page-about .about-crew__track{
  position: relative;
  height: 10px;
  background: rgba(18,58,43,.10);
  border-left: 1px solid var(--phx-line-strong);
  overflow: hidden;
}
.page-about .about-crew__fill{
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--phx-red), var(--phx-flame));
}
.page-about .about-crew__fill--a{ width: 70.6%; }
.page-about .about-crew__fill--b{ width: 17.6%; }
.page-about .about-crew__fill--c{ width: 11.8%; }
.page-about .about-crew__count{
  font-family: var(--phx-font-mono);
  font-size: 16px;
  font-weight: 700;
  text-align: right;
  color: var(--phx-flame);
}

/* ---------- 服务对象 ---------- */
.page-about .about-audience{
  margin: 26px 0 0;
  border-top: 1px solid var(--phx-line-strong);
}
.page-about .about-audience__row{
  padding: 18px 0;
  border-bottom: 1px solid var(--phx-line);
}
.page-about .about-audience__who{
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
}
.page-about .about-audience__what{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--phx-muted);
}
.page-about .about-link{
  color: var(--phx-red);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-about .about-link:hover{
  color: var(--phx-flame);
}

/* ---------- 两条路径 ---------- */
.page-about .about-paths{
  display: grid;
  gap: 22px;
  margin-top: 32px;
}
.page-about .about-path{
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--phx-flame);
}
.page-about .about-path__title{
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
}
.page-about .about-path__text{
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--phx-muted);
}
.page-about .about-path__btn{
  display: inline-block;
}
@media (min-width: 720px){
  .page-about .about-paths{
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* ---------- 赛季时间轴 ---------- */
.page-about .about-nodes{
  position: relative;
  margin: 30px 0 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--phx-line-strong);
}
.page-about .about-nodes__item{
  position: relative;
  padding-bottom: 26px;
}
.page-about .about-nodes__item:last-child{
  padding-bottom: 0;
}
.page-about .about-nodes__dot{
  position: absolute;
  left: -29px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--phx-bone);
  border: 1px solid var(--phx-line-strong);
  transform: rotate(45deg);
  transition: background-color 200ms var(--phx-ease), border-color 200ms var(--phx-ease), box-shadow 200ms var(--phx-ease);
}
.page-about .about-nodes__item.is-visible .about-nodes__dot{
  background: var(--phx-flame);
  border-color: var(--phx-flame);
  box-shadow: 0 0 0 4px rgba(255,90,31,.16);
}
.page-about .about-nodes__season{
  display: block;
  margin-bottom: 6px;
  font-family: var(--phx-font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  font-weight: 700;
  color: var(--phx-red);
}
.page-about .about-nodes__text{
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 页尾行动区 ---------- */
.page-about .about-cta{
  margin-top: 84px;
  padding: 28px 22px 30px;
  background: var(--phx-night);
  color: var(--phx-mist);
  border-left: 4px solid var(--phx-flame);
}
.page-about .about-cta__title{
  margin: 0 0 12px;
  color: var(--phx-bone);
  font-size: clamp(19px, 3.4vw, 24px);
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -.01em;
}
.page-about .about-cta__text{
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--phx-mist);
}
.page-about .about-cta__btn{
  display: inline-block;
}
@media (min-width: 760px){
  .page-about .about-cta{
    padding: 36px 40px 38px;
  }
}

/* ---------- 极窄屏保护 ---------- */
@media (max-width: 420px){
  .page-about .about-crew__row{
    grid-template-columns: minmax(60px, 74px) minmax(0,1fr) 28px;
    gap: 8px;
    font-size: 13px;
  }
  .page-about .about-crew__count{
    font-size: 14px;
  }
  .page-about .about-entry__content p,
  .page-about .about-entry__content > .phx-h2{
    overflow-wrap: anywhere;
  }
}
<<<END>>>