.page-about{
  --about-cut: 22px;
  --about-line: rgba(168, 178, 216, 0.2);
  --about-glow: rgba(34, 224, 214, 0.32);
  color: var(--pg-text);
  background: var(--pg-night);
  font-family: var(--pg-sans);
}

.page-about a:focus-visible,
.page-about .about-role:focus-visible{
  outline: 2px solid var(--pg-cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  position: relative;
  isolation: isolate;
  padding: clamp(26px, 5vw, 56px) 0 clamp(36px, 5.5vw, 66px);
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(74, 91, 255, 0.42), rgba(10, 14, 42, 0) 62%),
    radial-gradient(85% 65% at 2% 10%, rgba(34, 224, 214, 0.18), rgba(10, 14, 42, 0) 60%),
    linear-gradient(165deg, #0A0E2A 0%, #131A3F 52%, #0F3B3A 122%);
}
.page-about .about-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(rgba(168, 178, 216, 0.22) 1px, transparent 1px);
  background-size: 10px 10px;
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.15) 70%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.15) 70%, transparent 100%);
}

.page-about .pg-breadcrumb ol{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  font-family: var(--pg-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--pg-muted);
}
.page-about .pg-breadcrumb li{
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-about .pg-breadcrumb li + li::before{
  content: "/";
  color: rgba(168, 178, 216, 0.45);
}
.page-about .pg-breadcrumb a{
  color: var(--pg-cyan);
  text-decoration: none;
}
.page-about .pg-breadcrumb a:hover{
  text-decoration: underline;
}

.page-about .pg-kicker{
  font-family: var(--pg-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pg-cyan);
  margin: 0 0 12px;
}

.page-about .about-hero__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-about .about-title{
  font-size: clamp(32px, 5.6vw, 66px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  text-shadow: 0 0 30px rgba(34, 224, 214, 0.16);
}
.page-about .about-title em{
  font-style: normal;
  color: var(--pg-cyan);
}

.page-about .pg-lede{
  max-width: 34em;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.85;
  color: rgba(242, 245, 255, 0.9);
  margin: 0;
}

.page-about .about-facts{
  list-style: none;
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.page-about .about-facts li{
  padding: 12px 0 4px;
  border-top: 2px solid rgba(34, 224, 214, 0.35);
  min-width: 0;
}
.page-about .about-facts__num{
  display: block;
  font-size: clamp(22px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--pg-text);
  line-height: 1.2;
}
.page-about .about-facts__label{
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pg-muted);
}

.page-about .about-hero__media{
  margin: 0;
  min-width: 0;
}
.page-about .about-hero__media img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}
.page-about .about-hero__media figcaption{
  margin-top: 10px;
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--pg-muted);
}

@media (min-width: 900px){
  .page-about .about-hero__grid{
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  }
  .page-about .about-facts{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(14px, 2vw, 26px);
  }
}

/* ---------- 时间轴 + 叙事分屏 ---------- */
.page-about .about-flow{
  padding: clamp(34px, 5vw, 72px) 0 clamp(40px, 6vw, 84px);
  background: linear-gradient(180deg, #0F3B3A 0%, #0A0E2A 22%, #0A0E2A 100%);
}
.page-about .about-flow__inner{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}
.page-about .about-rail__label{
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pg-muted);
  margin: 0 0 10px;
}
.page-about .about-years{
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-about .about-years li{
  flex: 0 0 auto;
}
.page-about .about-years a{
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 92px;
  padding: 10px 12px 12px;
  text-decoration: none;
  color: var(--pg-muted);
  background: rgba(19, 26, 63, 0.9);
  border-left: 2px solid rgba(168, 178, 216, 0.28);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.page-about .about-years a:hover,
.page-about .about-years a:focus-visible{
  color: var(--pg-text);
  border-left-color: var(--pg-cyan);
  background: rgba(43, 58, 168, 0.55);
  transform: translateX(6px);
}
.page-about .about-years__y{
  font-family: var(--pg-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pg-text);
}
.page-about .about-years__t{
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .about-chapter{
  position: relative;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  padding: clamp(20px, 3.2vw, 38px);
  background: linear-gradient(150deg, rgba(19, 26, 63, 0.94), rgba(10, 14, 42, 0.94));
  border-left: 2px solid rgba(74, 91, 255, 0.6);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}
.page-about .about-chapter:last-child{
  margin-bottom: 0;
}
.page-about .about-chapter--teal{
  background: linear-gradient(150deg, rgba(15, 59, 58, 0.96), rgba(10, 14, 42, 0.95));
  border-left-color: rgba(34, 224, 214, 0.65);
}
.page-about .about-chapter--wine{
  background: linear-gradient(150deg, rgba(74, 27, 71, 0.92), rgba(19, 26, 63, 0.96));
  border-left-color: rgba(255, 107, 74, 0.6);
}

.page-about .about-chapter__stamp{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pg-cyan);
}
.page-about .about-chapter__stamp::before{
  content: "";
  width: 8px;
  height: 8px;
  background: var(--pg-cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 10px var(--about-glow);
}

.page-about .about-chapter h2{
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}
.page-about .about-chapter p{
  max-width: 36em;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 245, 255, 0.9);
}
.page-about .about-chapter p:last-child{
  margin-bottom: 0;
}

@media (min-width: 1000px){
  .page-about .about-flow__inner{
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
  }
  .page-about .about-flow__rail{
    position: sticky;
    top: calc(var(--pg-header-h) + 24px);
    padding-bottom: 8px;
  }
  .page-about .about-years{
    flex-direction: column;
    overflow: visible;
    gap: 0;
    border-left: 1px solid var(--about-line);
    padding-bottom: 0;
  }
  .page-about .about-years a{
    min-width: 0;
    padding: 11px 0 11px 18px;
    background: none;
    border-left: 0;
    position: relative;
  }
  .page-about .about-years a::before{
    content: "";
    position: absolute;
    left: -5px;
    top: 17px;
    width: 9px;
    height: 9px;
    background: rgba(168, 178, 216, 0.38);
    transform: rotate(45deg);
    transition: background 0.2s ease, box-shadow 0.2s ease;
  }
  .page-about .about-years a:hover,
  .page-about .about-years a:focus-visible{
    background: none;
  }
  .page-about .about-years a:hover::before,
  .page-about .about-years a:focus-visible::before{
    background: var(--pg-cyan);
    box-shadow: 0 0 0 4px rgba(34, 224, 214, 0.18);
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 28px);
  align-items: start;
}
.page-about .about-team > div{
  min-width: 0;
}
.page-about .about-roles{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}
.page-about .about-role{
  min-width: 0;
  padding: 14px 16px 16px;
  background: rgba(10, 14, 42, 0.6);
  border-top: 1px solid var(--about-line);
  transition: background 0.2s ease, transform 0.2s ease;
}
.page-about .about-role:hover,
.page-about .about-role:focus-visible{
  background: rgba(43, 58, 168, 0.42);
  transform: translateY(-2px);
}
.page-about .about-role__num{
  display: block;
  font-family: var(--pg-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--pg-cyan);
  line-height: 1.1;
}
.page-about .about-role h3{
  font-size: 17px;
  font-weight: 700;
  margin: 4px 0 6px;
  letter-spacing: 0.01em;
}
.page-about .about-role__duty,
.page-about .about-role__more{
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pg-muted);
}
.page-about .about-role__more{
  margin-top: 8px;
  color: rgba(168, 178, 216, 0.82);
}

@media (min-width: 640px){
  .page-about .about-roles{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 820px){
  .page-about .about-team{
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.66fr);
  }
  .page-about .about-role__more{
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 0.25s ease, opacity 0.25s ease, margin-top 0.25s ease;
  }
  .page-about .about-role:hover .about-role__more,
  .page-about .about-role:focus-visible .about-role__more,
  .page-about .about-role:focus-within .about-role__more{
    max-height: 160px;
    opacity: 1;
    margin-top: 8px;
  }
}

/* ---------- 图片 ---------- */
.page-about .about-media{
  margin: 18px 0 0;
  min-width: 0;
}
.page-about .about-media img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.page-about .about-media figcaption{
  margin-top: 9px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--pg-muted);
}

/* ---------- 编目流程 ---------- */
.page-about .about-steps{
  list-style: none;
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}
.page-about .about-step{
  min-width: 0;
}
.page-about .about-step a{
  display: block;
  height: 100%;
  padding: 15px 17px 17px;
  text-decoration: none;
  color: var(--pg-text);
  background: linear-gradient(145deg, rgba(43, 58, 168, 0.6), rgba(19, 26, 63, 0.9));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background 0.2s ease, transform 0.2s ease;
}
.page-about .about-step a:hover,
.page-about .about-step a:focus-visible{
  background: linear-gradient(145deg, rgba(74, 91, 255, 0.75), rgba(19, 26, 63, 0.95));
  transform: translateY(-3px);
}
.page-about .about-step .pg-mono{
  display: block;
  font-family: var(--pg-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--pg-cyan);
}
.page-about .about-step strong{
  display: block;
  margin: 4px 0 6px;
  font-size: 18px;
  font-weight: 900;
}
.page-about .about-step span:last-child{
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(242, 245, 255, 0.78);
}

.page-about .about-notes{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-about .about-note{
  min-width: 0;
  padding: 14px 16px;
  border-left: 2px solid rgba(34, 224, 214, 0.45);
  background: rgba(10, 14, 42, 0.45);
}
.page-about .about-note h3{
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}
.page-about .about-note .pg-mono{
  font-family: var(--pg-mono);
  font-size: 12px;
  color: var(--pg-cyan);
}
.page-about .about-chapter .about-note p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pg-muted);
  max-width: none;
}

@media (min-width: 760px){
  .page-about .about-steps{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .page-about .about-step:nth-child(even){
    margin-top: clamp(10px, 2vw, 26px);
  }
  .page-about .about-notes{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 账户设置分组 ---------- */
.page-about .about-groups{
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(168, 178, 216, 0.16);
}
.page-about .about-groups li{
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 2px 10px;
  padding: 12px 14px;
  background: rgba(10, 14, 42, 0.82);
  min-width: 0;
}
.page-about .about-groups .pg-mono{
  grid-row: span 2;
  font-family: var(--pg-mono);
  font-size: 12px;
  color: var(--pg-coral);
  letter-spacing: 0.08em;
  padding-top: 2px;
}
.page-about .about-groups strong{
  font-size: 16px;
  font-weight: 700;
}
.page-about .about-groups span:last-child{
  font-size: 13px;
  line-height: 1.6;
  color: var(--pg-muted);
}

@media (min-width: 560px){
  .page-about .about-groups{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px){
  .page-about .about-groups{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 联络信息 ---------- */
.page-about .about-contact{
  margin: 18px 0 0;
  padding: 16px 18px;
  background: rgba(10, 14, 42, 0.66);
  border-top: 2px solid rgba(34, 224, 214, 0.4);
  font-style: normal;
}
.page-about .about-chapter .about-contact p{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.7;
  max-width: none;
  word-break: break-word;
}
.page-about .about-chapter .about-contact p:last-child{
  margin-bottom: 0;
}
.page-about .about-contact__k{
  font-family: var(--pg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pg-cyan);
}
@media (min-width: 640px){
  .page-about .about-chapter .about-contact p{
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
  }
  .page-about .about-contact__k{
    padding-top: 3px;
  }
}

/* ---------- 结尾去向 ---------- */
.page-about .about-cta{
  position: relative;
  padding: clamp(40px, 6vw, 76px) 0 clamp(46px, 7vw, 88px);
  background:
    radial-gradient(90% 80% at 15% 0%, rgba(43, 58, 168, 0.5), rgba(10, 14, 42, 0) 65%),
    linear-gradient(180deg, #0A0E2A 0%, #131A3F 100%);
  overflow: hidden;
}
.page-about .about-cta::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(34, 224, 214, 0.28) 1px, transparent 1px);
  background-size: 12px 12px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 78%);
}
.page-about .about-cta h2{
  position: relative;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.page-about .about-cta p{
  position: relative;
  max-width: 34em;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 245, 255, 0.86);
}
.page-about .about-cta__links{
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-about .about-cta__links .pg-btn{
  text-decoration: none;
}
</main>