.page-about {
  --about-panel: rgba(16, 26, 35, 0.72);
  --about-edge: rgba(214, 164, 65, 0.3);
  --about-soft: rgba(214, 164, 65, 0.06);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 6% -14%, rgba(214, 164, 65, 0.12), transparent 64%),
    repeating-linear-gradient(112deg, rgba(198, 220, 240, 0.05) 0 2px, transparent 2px 10px),
    var(--void);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-hero__title {
  margin: 14px 0 20px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-hero__mark {
  color: var(--gold-hi);
  border-bottom: 4px solid var(--about-edge);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-about .about-vert {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .about-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-facts__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-facts__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
}

.page-about .about-facts__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 17px;
  color: var(--gold-hi);
}

.page-about .about-hero__media {
  margin: 34px 0 0;
}

/* ---------- 名字的来历 ---------- */
.page-about .about-origin {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
}

.page-about .about-origin::before {
  content: "麒麟";
  position: absolute;
  top: -0.2em;
  right: -0.04em;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(120px, 30vw, 300px);
  line-height: 1;
  letter-spacing: 0.06em;
  color: rgba(214, 164, 65, 0.06);
  pointer-events: none;
}

.page-about .about-origin__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-about .about-origin__h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.2;
  color: var(--paper);
}

.page-about .about-origin__body p {
  color: var(--paper-dim);
  line-height: 1.85;
}

.page-about .about-origin__body p + p {
  margin-top: 16px;
}

/* ---------- 服务构成 ---------- */
.page-about .about-serve {
  background: linear-gradient(180deg, rgba(22, 34, 45, 0.92), rgba(11, 18, 25, 0.94));
  border-bottom: 1px solid var(--line);
}

.page-about .about-serve__h2,
.page-about .about-timeline__h2,
.page-about .about-code__h2,
.page-about .about-place__h2,
.page-about .about-next__h2 {
  margin: 12px 0 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.2;
  color: var(--paper);
}

.page-about .about-serve__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  color: var(--paper-dim);
  line-height: 1.8;
}

.page-about .about-serve__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-about .about-serve__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-serve__idx {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-serve__text h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-serve__text p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-about .about-serve__tag {
  grid-column: 2;
  justify-self: start;
}

/* ---------- 时间节点 ---------- */
.page-about .about-timeline {
  background:
    radial-gradient(760px 360px at 100% 0%, rgba(194, 60, 44, 0.08), transparent 60%),
    var(--void);
}

.page-about .about-tl {
  list-style: none;
  margin: 34px 0 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 30px;
}

.page-about .about-tl__item {
  position: relative;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--cinnabar);
  box-shadow: 0 0 0 4px var(--cinnabar-dim);
}

.page-about .about-tl__year {
  display: block;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .about-tl__body h3 {
  margin: 8px 0 8px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-tl__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-about .about-timeline__media {
  margin: 40px 0 0;
}

/* ---------- 做事原则 ---------- */
.page-about .about-code {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-code__grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-code__cell {
  background: var(--ink-800);
  padding: 28px 22px 30px;
}

.page-about .about-code__n {
  display: block;
  margin-bottom: 14px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 44px;
  line-height: 1;
  color: rgba(214, 164, 65, 0.55);
}

.page-about .about-code__cell h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-code__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-dim);
}

/* ---------- 位置与联系 ---------- */
.page-about .about-place {
  background:
    linear-gradient(180deg, rgba(7, 11, 16, 0.9), rgba(16, 26, 35, 0.9)),
    var(--void);
}

.page-about .about-place__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

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

.page-about .about-place__text {
  margin: 16px 0 0;
  max-width: 56ch;
  color: var(--paper-dim);
  line-height: 1.8;
}

.page-about .about-place__dl {
  margin: 26px 0 28px;
  border-top: 1px solid var(--line);
}

.page-about .about-place__dl > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-place__dl dt {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--paper-mute);
}

.page-about .about-place__dl dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  background: var(--ink-800);
}

.page-about .about-next__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-about .about-next__item {
  border-bottom: 1px solid var(--line);
}

.page-about .about-next__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 18px 6px;
  text-decoration: none;
  color: var(--paper);
  transition: background-color 0.18s ease, padding-left 0.18s ease;
}

.page-about .about-next__label {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
}

.page-about .about-next__hint {
  font-size: 13px;
  color: var(--paper-mute);
  letter-spacing: 0.04em;
}

.page-about .about-next__link:hover {
  background: var(--about-soft);
  padding-left: 14px;
}

.page-about .about-next__link:hover .about-next__label {
  color: var(--gold-hi);
}

.page-about .about-next__link:focus-visible,
.page-about .about-hero__actions .btn:focus-visible,
.page-about .about-place__body .btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-about .about-tl__item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-about .about-tl__year {
    text-align: right;
    padding-top: 2px;
  }

  .page-about .about-tl__body h3 {
    margin-top: 0;
  }

  .page-about .about-next__link {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 20px;
  }

  .page-about .about-place__dl > div {
    grid-template-columns: 104px minmax(0, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(238px, 0.72fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-hero__side {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 22px;
    padding-top: 8px;
  }

  .page-about .about-vert {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 210px;
    padding: 0 0 0 14px;
    border-bottom: 0;
    border-left: 1px solid var(--about-edge);
    letter-spacing: 0.42em;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 64px;
    align-items: start;
  }

  .page-about .about-serve__row {
    grid-template-columns: 68px minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 10px 26px;
    padding: 26px 18px 26px 10px;
  }

  .page-about .about-serve__idx {
    font-size: 22px;
    text-align: right;
  }

  .page-about .about-serve__tag {
    grid-column: auto;
    justify-self: end;
    white-space: nowrap;
  }

  .page-about .about-serve__row:hover {
    background: var(--about-soft);
    box-shadow: inset 3px 0 0 var(--gold);
  }

  .page-about .about-code__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-place__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-next__link {
    transition: none;
  }
}
<<<END>>>