.page-about {
  --about-gap: clamp(18px, 3vw, 32px);
  --about-pad: clamp(16px, 2.4vw, 26px);
  display: block;
  background: var(--ink-900);
  color: var(--muted);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs-wrap {
  padding-top: clamp(14px, 2.2vw, 26px);
  padding-bottom: clamp(4px, 1vw, 10px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(24px, 4.5vw, 58px) 0 clamp(30px, 5vw, 66px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -22%;
  width: 108%;
  height: 138%;
  background: linear-gradient(152deg, var(--ink-800) 0%, var(--ink-850) 56%, rgba(10, 16, 48, 0) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 74%, 2% 100%);
  opacity: .92;
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: 2%;
  width: 36%;
  height: 46%;
  background: radial-gradient(circle at 34% 42%, rgba(255, 107, 26, .2), rgba(255, 107, 26, 0) 68%);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

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

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -.018em;
  color: var(--paper);
  max-width: 15em;
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-hero__actions {
  margin-top: clamp(22px, 3vw, 34px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .about-stat {
  display: grid;
  gap: 6px;
  padding: var(--about-pad);
  background: var(--ink-850);
}

.page-about .about-stat__num {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-about .about-stat__num em {
  font-style: normal;
  margin-left: 2px;
  font-size: .44em;
  color: var(--orange);
}

.page-about .about-stat__label {
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--muted);
}

/* ---------- 年份横带 ---------- */
.page-about .about-years__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-about .about-tape {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-about .about-tape__item {
  position: relative;
  padding: 22px 0 0 clamp(14px, 2vw, 22px);
  border-left: 1px solid var(--line);
}

.page-about .about-tape__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 26, .16);
}

.page-about .about-tape__year {
  display: block;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-about .about-tape__tag {
  display: inline-block;
  margin-top: 10px;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-about .about-tape__text {
  margin: 12px 0 0;
  max-width: 26em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 团队四条线 ---------- */
.page-about .about-crew__intro {
  display: grid;
  gap: 12px;
  max-width: 48em;
}

.page-about .about-crew__intro .d168-prose {
  margin: 0;
}

.page-about .about-crew__media {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-about .about-crew__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-soft);
}

.page-about .about-crew__list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .about-crew__item {
  position: relative;
  padding: var(--about-pad);
  background: var(--ink-850);
  overflow: hidden;
}

.page-about .about-crew__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--line);
  transform: scaleY(.3);
  transform-origin: top center;
  transition: transform .32s ease, background-color .32s ease;
}

.page-about .about-crew__item:hover::before,
.page-about .about-crew__item:focus-within::before {
  transform: scaleY(1);
  background: var(--orange);
}

.page-about .about-crew__idx {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-about .about-crew__name {
  display: block;
  margin-top: 10px;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -.01em;
}

.page-about .about-crew__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-about .about-crew__meta {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 11px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--teal);
}

/* ---------- 版本机制 ---------- */
.page-about .about-ver__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

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

.page-about .about-vernum {
  margin-top: clamp(22px, 3vw, 32px);
  padding: var(--about-pad);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--ink-800) 0%, var(--ink-850) 100%);
}

.page-about .about-vernum__code {
  appearance: none;
  display: inline-block;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  font-size: clamp(40px, 6vw, 66px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.035em;
  color: var(--paper);
  cursor: pointer;
  text-align: left;
}

.page-about .about-vernum__cue {
  display: block;
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-about .about-vernum__code:hover .about-vernum__cue {
  color: var(--orange-soft);
}

.page-about .about-vernum__parts {
  list-style: none;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
}

.page-about .about-vernum__parts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 3px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-vernum__parts li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-vernum__slot {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .about-vernum__parts strong {
  grid-column: 2;
  grid-row: 1;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-vernum__parts li > span:last-child {
  grid-column: 2;
  grid-row: 2;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

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

.page-about .about-ver__fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
}

/* ---------- 适配测试 ---------- */
.page-about .about-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

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

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

.page-about .about-duo__fig img {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin-inline: auto;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-soft);
}

.page-about .about-marks {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-marks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-marks .d168-status {
  flex: none;
}

/* ---------- 资料文档 ---------- */
.page-about .about-docs__head {
  display: grid;
  gap: 14px;
}

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

.page-about .about-docs__grid {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-docs__item {
  display: grid;
  gap: 8px;
  padding: var(--about-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line);
  background: linear-gradient(160deg, var(--ink-800) 0%, var(--ink-850) 100%);
  transition: border-left-color .28s ease;
}

.page-about .about-docs__item:hover {
  border-left-color: var(--orange);
}

.page-about .about-docs__num {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--teal);
}

.page-about .about-docs__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .about-docs__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 服务范围 ---------- */
.page-about .about-reach__band {
  position: relative;
  padding: clamp(24px, 4vw, 52px);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--ink-800) 0%, var(--ink-900) 62%);
  overflow: hidden;
}

.page-about .about-reach__band::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -34%;
  width: 48%;
  height: 168%;
  background: radial-gradient(circle at 50% 50%, rgba(31, 224, 182, .16), rgba(31, 224, 182, 0) 66%);
  pointer-events: none;
}

.page-about .about-reach__band > * {
  position: relative;
  z-index: 1;
}

.page-about .about-reach__figures {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-reach__figures li {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px);
  background: var(--ink-850);
}

.page-about .about-reach__figures .d168-mono {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--paper);
}

.page-about .about-reach__figures span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 收尾入口 ---------- */
.page-about .about-next__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  padding-top: clamp(24px, 3.4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-about .about-next__text .d168-prose {
  margin-bottom: 0;
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 760px) {
  .page-about .about-tape {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 28px);
  }
}

@media (min-width: 820px) {
  .page-about .about-crew__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-docs__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(238px, .82fr);
    align-items: end;
    gap: clamp(28px, 4vw, 58px);
  }

  .page-about .about-hero__side {
    grid-template-columns: minmax(0, 1fr);
    border-radius: var(--r-xl);
  }

  .page-about .about-docs__head {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
    gap: clamp(24px, 3vw, 46px);
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 960px) {
  .page-about .about-ver__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-about .about-duo {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .82fr);
    align-items: center;
    gap: clamp(28px, 4vw, 52px);
  }
}

@media (min-width: 1060px) {
  .page-about .about-docs__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-crew__item::before,
  .page-about .about-docs__item {
    transition: none;
  }

  .page-about .about-crew__item:hover::before,
  .page-about .about-crew__item:focus-within::before {
    transform: scaleY(.3);
    background: var(--orange);
  }
}
</PAGE_CSS>>>