.page-about{
  --ab-gap: clamp(18px, 3vw, 36px);
  --ab-pad: clamp(46px, 6.5vw, 92px);
  --ab-head: var(--ky-cream);
  --ab-text: var(--ky-t-78);
  --ab-rule: var(--ky-line-soft);
  --ab-accent: var(--ky-gold);
  background: var(--ky-ink);
  color: var(--ky-cream);
  font-family: var(--ky-font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

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

.page-about a{
  color: var(--ky-cyan);
}

/* 面包屑 */
.page-about .about-crumbs{
  background: var(--ky-char);
  border-bottom: 1px solid var(--ky-line-faint);
  padding: 12px 0;
}
.page-about .about-crumbs .ky-crumbs{
  padding: 0;
}

/* 首屏 */
.page-about .about-hero{
  position: relative;
  padding: var(--ab-pad) 0;
  background:
    radial-gradient(130% 95% at 90% 4%, rgba(62, 242, 199, 0.13), transparent 58%),
    linear-gradient(168deg, var(--ky-ink) 0 56%, var(--ky-char) 56% 100%);
  border-bottom: 1px solid var(--ky-line-faint);
  overflow: hidden;
}
.page-about .about-hero::after{
  content: "";
  position: absolute;
  inset: auto -12% 10% -12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ky-line-soft), transparent);
  transform: rotate(-6deg);
  pointer-events: none;
}
.page-about .about-hero__grid{
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-about .about-hero__title{
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.4vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 14px 0 22px;
  color: var(--ky-cream);
}
.page-about .about-hero__lede{
  max-width: 48ch;
  margin: 0 0 30px;
  padding-left: 16px;
  border-left: 2px solid var(--ky-cyan);
  color: var(--ky-t-78);
  font-size: clamp(15px, 1.5vw, 17px);
}
.page-about .about-stats{
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ky-line-soft);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
}
.page-about .about-stats__num{
  display: block;
  font-family: var(--ky-font-mono);
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--ky-cyan);
}
.page-about .about-stats__label{
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-t-56);
}
.page-about .about-hero__visual{
  margin: 0;
}
.page-about .about-hero__frame{
  background: var(--ky-char);
  border: 1px solid var(--ky-line-soft);
  clip-path: polygon(0 0, calc(100% - var(--ky-cut-lg)) 0, 100% var(--ky-cut-lg), 100% 100%, var(--ky-cut-lg) 100%, 0 calc(100% - var(--ky-cut-lg)));
}
.page-about .about-hero__frame img{
  width: 100%;
  object-fit: cover;
}

/* 章节目录 */
.page-about .about-index{
  background: var(--ky-char);
  border-bottom: 1px solid var(--ky-line-faint);
  padding: clamp(28px, 4vw, 46px) 0;
}
.page-about .about-index__label{
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ky-gold);
  margin: 0 0 16px;
}
.page-about .about-index__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--ky-line-faint);
}
.page-about .about-index__link{
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--ky-line-faint);
  text-decoration: none;
  color: var(--ky-t-78);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.page-about .about-index__num{
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-gold);
}
.page-about .about-index__text{
  flex: 1;
  font-size: 15px;
}
.page-about .about-index__arrow{
  font-family: var(--ky-font-mono);
  color: var(--ky-t-34);
}
.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible{
  color: var(--ky-cyan);
  padding-left: 10px;
}
.page-about .about-index__link:hover .about-index__arrow,
.page-about .about-index__link:focus-visible .about-index__arrow{
  color: var(--ky-cyan);
}

/* 章节通用 */
.page-about .about-chapter{
  position: relative;
  padding: var(--ab-pad) 0;
}
.page-about .about-chapter--ink{
  background: var(--ky-ink);
}
.page-about .about-chapter--char{
  background: var(--ky-char);
}
.page-about .about-chapter--paper{
  background: var(--ky-paper);
  --ab-head: var(--ky-ink);
  --ab-text: #3E4E47;
  --ab-rule: rgba(11, 31, 26, 0.16);
  --ab-accent: var(--ky-accent-paper);
}
.page-about .about-chapter__grid{
  display: grid;
  gap: clamp(16px, 2.6vw, 32px);
}
.page-about .about-chapter__rail{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-top: 12px;
  border-top: 2px solid var(--ab-accent);
}
.page-about .about-chapter__num{
  font-family: var(--ky-font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--ab-accent);
}
.page-about .about-chapter__vertical{
  display: none;
  writing-mode: vertical-rl;
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ab-text);
  opacity: 0.6;
}
.page-about .about-chapter__title{
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.3vw, 40px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  margin: 0 0 18px;
  max-width: 24ch;
  color: var(--ab-head);
}
.page-about .about-chapter p{
  max-width: 64ch;
  margin: 0 0 16px;
  font-size: clamp(15px, 1.4vw, 16.5px);
  color: var(--ab-text);
}
.page-about .about-chapter a{
  color: var(--ab-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .about-inline-link{
  margin-top: 6px;
  font-size: 15px;
}
.page-about .about-link{
  color: var(--ky-cyan);
}

/* 要点列表 */
.page-about .about-list{
  list-style: none;
  margin: 18px 0 4px;
  padding: 0;
}
.page-about .about-list li{
  position: relative;
  padding: 11px 0 11px 24px;
  border-bottom: 1px solid var(--ab-rule);
  font-size: 15px;
  color: var(--ab-text);
}
.page-about .about-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 12px;
  height: 1px;
  background: var(--ab-accent);
}

/* 团队索引 */
.page-about .about-team{
  display: grid;
  margin: 18px 0 30px;
  border-top: 1px solid var(--ab-rule);
}
.page-about .about-team__row{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--ab-rule);
  transition: background-color 0.2s ease;
}
.page-about .about-team__mark{
  flex: 0 0 auto;
  min-width: 22px;
  padding-top: 4px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ab-accent);
}
.page-about .about-team__name{
  font-family: var(--ky-font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 4px;
  color: var(--ab-head);
}
.page-about .about-chapter .about-team__desc{
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ab-text);
}
.page-about .about-team__row:hover .about-team__name{
  color: var(--ab-accent);
}

/* 图容器 */
.page-about .about-figure-img{
  margin: 24px 0 20px;
}
.page-about .about-figure-img .ky-frame{
  border: 1px solid var(--ab-rule);
  background: rgba(154, 165, 159, 0.08);
  clip-path: polygon(0 0, calc(100% - var(--ky-cut)) 0, 100% var(--ky-cut), 100% 100%, var(--ky-cut) 100%, 0 calc(100% - var(--ky-cut)));
  overflow: hidden;
}
.page-about .about-figure-img img{
  width: 100%;
  object-fit: cover;
}

/* 版本标签页 */
.page-about .about-versions{
  margin: 22px 0 8px;
}
.page-about .about-versions__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--ab-rule);
}
.page-about .about-versions__list .ky-tab{
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 9px 15px;
  background: transparent;
  color: var(--ab-text);
  border: 1px solid var(--ab-rule);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.page-about .about-versions__list .ky-tab:hover{
  color: var(--ky-cyan);
  border-color: var(--ky-cyan);
}
.page-about .about-versions__list .ky-tab[aria-selected="true"]{
  background: var(--ky-cyan);
  border-color: var(--ky-cyan);
  color: #08211B;
}
.page-about .about-verpanel{
  padding: 2px 0 0;
}
.page-about .about-verpanel__title{
  font-family: var(--ky-font-display);
  font-size: clamp(18px, 2.1vw, 24px);
  letter-spacing: 0.01em;
  margin: 0 0 10px;
  color: var(--ab-head);
}
.page-about .about-chapter .about-verpanel p{
  margin: 0;
}

/* 联赛分区列表 */
.page-about .about-leagues{
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ab-rule);
}
.page-about .about-leagues__item{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ab-rule);
  font-size: 14px;
  color: var(--ab-text);
}
.page-about .about-leagues__item span:last-child{
  flex: 1 1 180px;
}

/* 数字 */
.page-about .about-figures{
  display: grid;
  gap: 14px;
  margin: 22px 0 24px;
}
.page-about .about-figure{
  padding: 18px 16px;
  border: 1px solid var(--ab-rule);
  background: rgba(62, 242, 199, 0.04);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.page-about .about-figure__num{
  display: block;
  font-family: var(--ky-font-mono);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  color: var(--ky-cyan);
}
.page-about .about-figure__label{
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--ab-text);
}

/* 收尾 */
.page-about .about-cta{
  background: var(--ky-char);
  border-top: 1px solid var(--ky-line-soft);
  padding: var(--ab-pad) 0;
}
.page-about .about-cta__inner{
  display: grid;
  gap: 24px;
  align-items: end;
}
.page-about .about-cta__title{
  font-family: var(--ky-font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.3vw, 38px);
  line-height: 1.2;
  margin: 0 0 10px;
  color: var(--ky-cream);
}
.page-about .about-cta__note{
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  color: var(--ky-t-56);
}
.page-about .about-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 响应式 */
@media (min-width: 600px){
  .page-about .about-figures{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-stats{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px){
  .page-about .about-index__list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
  .page-about .about-team{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 48px);
  }
  .page-about .about-leagues{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 44px);
  }
}

@media (min-width: 900px){
  .page-about .about-hero__grid{
    grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  }
  .page-about .about-chapter__grid{
    grid-template-columns: 104px minmax(0, 1fr);
  }
  .page-about .about-chapter__rail{
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .page-about .about-chapter__vertical{
    display: inline-block;
  }
  .page-about .about-cta__inner{
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-about .about-index__link,
  .page-about .about-team__row,
  .page-about .about-versions__list .ky-tab{
    transition: none;
  }
  .page-about .about-hero::after{
    display: none;
  }
}
<<<END>>>