.page-about {
  --about-y: clamp(48px, 7.5vw, 96px);
  --about-cut: 18px;
  --about-hair: rgba(89, 99, 110, 0.22);
  background: var(--chalk);
  color: var(--night);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .mono {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--chalk);
  background:
    radial-gradient(120% 130% at 84% 4%, rgba(200, 16, 46, 0.34) 0%, rgba(14, 17, 19, 0) 58%),
    var(--night);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -16%;
  right: -22%;
  z-index: 0;
  width: 78%;
  height: 132%;
  background: linear-gradient(158deg, rgba(200, 16, 46, 0.94) 0%, rgba(156, 12, 35, 0.62) 55%, rgba(14, 17, 19, 0) 100%);
  transform: skewX(-9deg);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(167, 196, 212, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 196, 212, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0) 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0) 82%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(26px, 4.5vw, 46px);
  padding-block: clamp(30px, 6vw, 56px) clamp(42px, 7vw, 84px);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--red);
}

.page-about .breadcrumb__sep {
  opacity: 0.55;
}

.page-about .about-kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green-light);
  background: rgba(14, 17, 19, 0.58);
  border-left: 3px solid var(--red);
}

.page-about .about-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 58px);
  line-height: 1.1;
  letter-spacing: 0.004em;
  color: var(--chalk);
  text-wrap: balance;
}

.page-about .about-lead {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: rgba(247, 249, 246, 0.82);
}

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

.page-about .about-hero .btn--ghost {
  color: var(--chalk);
  border-color: rgba(247, 249, 246, 0.42);
}

.page-about .about-hero .btn--ghost:hover,
.page-about .about-hero .btn--ghost:focus-visible {
  background: rgba(247, 249, 246, 0.12);
  border-color: var(--chalk);
}

.page-about .about-hero__panel {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  background: linear-gradient(160deg, rgba(30, 37, 43, 0.94), rgba(14, 17, 19, 0.9));
  box-shadow: inset 3px 0 0 var(--red);
  clip-path: polygon(
    0 0,
    calc(100% - var(--about-cut)) 0,
    100% var(--about-cut),
    100% 100%,
    var(--about-cut) 100%,
    0 calc(100% - var(--about-cut))
  );
}

.page-about .about-hero__panel-title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
  border-bottom: 1px solid rgba(167, 196, 212, 0.22);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(167, 196, 212, 0.18);
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 12px;
  background: var(--tactic);
}

.page-about .about-stats__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(23px, 4vw, 32px);
  line-height: 1;
  color: var(--chalk);
}

.page-about .about-stats__unit {
  margin-left: 3px;
  font-size: 0.46em;
  font-weight: 400;
  color: var(--mist);
}

.page-about .about-stats__label {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(167, 196, 212, 0.92);
}

/* ---------- 斜线分隔 ---------- */

.page-about .about-divider {
  height: 10px;
  background: repeating-linear-gradient(
    115deg,
    var(--red) 0 16px,
    transparent 16px 34px
  );
  opacity: 0.9;
}

/* ---------- 通用章节 ---------- */

.page-about .about-section {
  padding-block: var(--about-y);
}

.page-about .about-section__head {
  max-width: 760px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-about .about-eyebrow::after {
  content: "";
  flex: 0 0 44px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.page-about .about-h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: 0.004em;
  color: var(--night);
  text-wrap: balance;
}

.page-about .about-sub {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 16.5px);
  line-height: 1.85;
  color: var(--fence);
}

.page-about .about-link {
  display: inline-block;
  color: var(--green-deep);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 122, 59, 0.4);
  padding-bottom: 1px;
  transition: color var(--t), border-color var(--t);
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 01 品牌历程 ---------- */

.page-about .about-chronicle {
  background-color: var(--chalk);
  background-image:
    linear-gradient(rgba(167, 196, 212, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 196, 212, 0.2) 1px, transparent 1px);
  background-size: 76px 76px;
}

.page-about .about-chronicle__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-chronicle__intro {
  margin-bottom: clamp(24px, 3.5vw, 36px);
  max-width: 60ch;
}

.page-about .about-chronicle__figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-about .about-chronicle__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-about .about-chronicle__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--fence);
}

.page-about .timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 10px;
  left: 9px;
  width: 2px;
  background: linear-gradient(180deg, var(--red) 0%, var(--mist) 62%, rgba(167, 196, 212, 0) 100%);
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 28px 38px;
  transition: transform var(--t);
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .timeline__dot {
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  background: var(--chalk);
  border: 2px solid var(--red);
  transform: rotate(45deg);
  transition: background var(--t), transform var(--t), border-color var(--t);
}

.page-about .timeline__item:hover .timeline__dot,
.page-about .timeline__item:focus-within .timeline__dot {
  background: var(--red);
  border-color: var(--red-deep);
  transform: rotate(45deg) scale(1.14);
}

.page-about .timeline__era {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--green-deep);
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.25;
  color: var(--night);
}

.page-about .timeline__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fence);
  max-width: 56ch;
}

.page-about .about-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .about-pull {
  margin: 0;
  padding: 22px 20px;
  background: var(--night);
  color: var(--chalk);
  box-shadow: inset 4px 0 0 var(--red);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-about .about-pull p {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.55;
}

.page-about .about-note {
  padding: 18px 18px 20px;
  background: var(--mist-bg);
  border-left: 3px solid var(--mist);
}

.page-about .about-note__label {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--fence);
}

.page-about .about-note__list {
  margin: 0;
  padding: 0 0 0 16px;
  list-style: none;
}

.page-about .about-note__list li {
  position: relative;
  padding: 5px 0 5px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--night);
}

.page-about .about-note__list li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 14px;
  width: 7px;
  height: 7px;
  background: var(--red);
  transform: rotate(45deg);
}

.page-about .about-figure-block {
  padding: 18px;
  background: var(--tactic);
  color: var(--chalk);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}

.page-about .about-figure-block__num {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(34px, 5.5vw, 46px);
  line-height: 1;
  color: var(--green-light);
}

.page-about .about-figure-block__unit {
  font-size: 0.5em;
  margin-left: 2px;
  color: var(--mist);
}

.page-about .about-figure-block__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(247, 249, 246, 0.78);
}

/* ---------- 02 团队 ---------- */

.page-about .about-team {
  background:
    radial-gradient(90% 120% at 92% 0%, rgba(200, 16, 46, 0.22) 0%, rgba(14, 17, 19, 0) 62%),
    var(--night);
  color: var(--chalk);
}

.page-about .about-team .about-h2 {
  color: var(--chalk);
}

.page-about .about-team .about-eyebrow {
  color: var(--green-light);
}

.page-about .about-team .about-sub {
  color: rgba(247, 249, 246, 0.76);
}

.page-about .about-team__headline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-bottom: clamp(24px, 3.5vw, 38px);
  padding: 20px 22px;
  background: rgba(30, 37, 43, 0.72);
  box-shadow: inset 3px 0 0 var(--green-light);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-about .about-team__count {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(40px, 7vw, 62px);
  line-height: 0.9;
  color: var(--chalk);
}

.page-about .about-team__count-label {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 249, 246, 0.78);
}

.page-about .about-team__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-role {
  padding: 22px 20px;
  background: var(--tactic);
  clip-path: polygon(
    0 0,
    calc(100% - 16px) 0,
    100% 16px,
    100% 100%,
    16px 100%,
    0 calc(100% - 16px)
  );
  transition: background var(--t), transform var(--t);
}

.page-about .about-role:hover {
  background: #232b32;
  transform: translateY(-2px);
}

.page-about .about-role__index {
  display: inline-block;
  margin: 0 0 12px;
  padding: 2px 9px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--night);
  background: var(--green-light);
}

.page-about .about-role__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.5vw, 24px);
  color: var(--chalk);
}

.page-about .about-role__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 249, 246, 0.74);
}

.page-about .about-team__foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(167, 196, 212, 0.22);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 249, 246, 0.72);
  max-width: 70ch;
}

/* ---------- 03 内容栏目 ---------- */

.page-about .about-pillars {
  background: var(--mist-bg);
}

.page-about .pillars {
  display: grid;
  gap: 12px;
}

.page-about .pillar {
  background: var(--chalk);
  border: 1px solid var(--about-hair);
  border-left: 3px solid var(--mist);
  transition: border-color var(--t), background var(--t);
}

.page-about .pillar[open] {
  background: #ffffff;
  border-left-color: var(--red);
}

.page-about .pillar__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-about .pillar__summary::-webkit-details-marker {
  display: none;
}

.page-about .pillar__index {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--red);
}

.page-about .pillar__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.3vw, 21px);
  color: var(--night);
  letter-spacing: 0.01em;
}

.page-about .pillar__toggle {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-left: auto;
  border: 1px solid var(--fence);
  border-radius: 50%;
  transition: border-color var(--t), transform var(--t);
}

.page-about .pillar__toggle::before,
.page-about .pillar__toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--fence);
  transform: translate(-50%, -50%);
  transition: transform var(--t), opacity var(--t), background var(--t);
}

.page-about .pillar__toggle::before {
  width: 9px;
  height: 1.5px;
}

.page-about .pillar__toggle::after {
  width: 1.5px;
  height: 9px;
}

.page-about .pillar[open] .pillar__toggle {
  border-color: var(--red);
  transform: rotate(90deg);
}

.page-about .pillar[open] .pillar__toggle::before {
  background: var(--red);
}

.page-about .pillar[open] .pillar__toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-about .pillar__body {
  margin: 0 18px 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(89, 99, 110, 0.32);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fence);
}

.page-about .pillar__body p {
  margin: 0 0 10px;
}

.page-about .pillar__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 04 流程 ---------- */

.page-about .about-process__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-about .process__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .process__step {
  position: relative;
  padding: 0 0 26px 58px;
}

.page-about .process__step:last-child {
  padding-bottom: 0;
}

.page-about .process__step::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 42px;
  bottom: 8px;
  width: 1px;
  background: var(--about-hair);
}

.page-about .process__step:last-child::after {
  display: none;
}

.page-about .process__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--chalk);
  background: var(--night);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.page-about .process__title {
  margin: 4px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 23px);
  color: var(--night);
}

.page-about .process__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fence);
  max-width: 52ch;
}

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

.page-about .about-process__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(
    16px 0,
    100% 0,
    100% calc(100% - 16px),
    calc(100% - 16px) 100%,
    0 100%,
    0 16px
  );
}

.page-about .about-process__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 12.5px;
  color: var(--fence);
}

/* ---------- 05 社群 ---------- */

.page-about .about-community {
  background:
    linear-gradient(180deg, rgba(200, 16, 46, 0.16) 0%, rgba(14, 17, 19, 0) 34%),
    var(--night);
  color: var(--chalk);
}

.page-about .about-community .about-h2 {
  color: var(--chalk);
}

.page-about .about-community .about-eyebrow {
  color: var(--green-light);
}

.page-about .about-community .about-sub {
  color: rgba(247, 249, 246, 0.76);
}

.page-about .about-community__banner {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-about .about-community__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-about .about-community__grid {
  display: grid;
  gap: 1px;
  background: rgba(167, 196, 212, 0.2);
  border: 1px solid rgba(167, 196, 212, 0.2);
}

.page-about .about-community__item {
  padding: 22px 20px;
  background: var(--night);
}

.page-about .about-community__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.3vw, 21px);
  color: var(--chalk);
}

.page-about .about-community__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 249, 246, 0.74);
}

/* ---------- 06 版本与认可 ---------- */

.page-about .about-version {
  background: var(--mist-bg);
}

.page-about .about-version__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-about .versions {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .versions__item {
  padding: 18px 20px;
  background: var(--chalk);
  border-left: 3px solid var(--mist);
  transition: border-color var(--t), background var(--t);
}

.page-about .versions__item--current {
  background: #ffffff;
  border-left-color: var(--red);
}

.page-about .versions__tag {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--fence);
}

.page-about .versions__item--current .versions__tag {
  color: var(--red);
}

.page-about .versions__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-about .versions__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--night);
}

.page-about .versions__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--green-deep);
  transform: rotate(45deg);
}

.page-about .about-honor {
  padding: 24px 22px;
  background: var(--night);
  color: var(--chalk);
  clip-path: polygon(
    0 0,
    calc(100% - 20px) 0,
    100% 20px,
    100% 100%,
    0 100%
  );
  align-self: start;
}

.page-about .about-honor__label {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-about .about-honor__year {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: clamp(38px, 6vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--green-light);
}

.page-about .about-honor__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 23px);
  color: var(--chalk);
}

.page-about .about-honor__desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 249, 246, 0.76);
}

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

.page-about .about-honor__link .about-link {
  color: var(--green-light);
  border-bottom-color: rgba(52, 211, 153, 0.45);
}

.page-about .about-honor__link .about-link:hover,
.page-about .about-honor__link .about-link:focus-visible {
  color: var(--chalk);
  border-bottom-color: var(--chalk);
}

/* ---------- 结尾 CTA ---------- */

.page-about .about-cta {
  position: relative;
  overflow: hidden;
  background: var(--red);
  color: var(--chalk);
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 46%;
  height: 170%;
  background: rgba(14, 17, 19, 0.24);
  transform: skewX(-10deg);
  pointer-events: none;
}

.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding-block: clamp(40px, 6vw, 68px);
}

.page-about .about-cta__text {
  flex: 1 1 340px;
  max-width: 620px;
}

.page-about .about-cta__eyebrow {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: rgba(247, 249, 246, 0.78);
}

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.8vw, 34px);
  line-height: 1.2;
  color: var(--chalk);
}

.page-about .about-cta__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 249, 246, 0.86);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta__solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  background: var(--night);
  color: var(--chalk);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 88% 100%, 0 100%);
  transition: background var(--t), transform var(--t);
}

.page-about .about-cta__solid:hover,
.page-about .about-cta__solid:focus-visible {
  background: var(--tactic);
  transform: translateY(-2px);
}

.page-about .about-cta .btn--ghost {
  color: var(--chalk);
  border-color: rgba(247, 249, 246, 0.6);
}

.page-about .about-cta .btn--ghost:hover,
.page-about .about-cta .btn--ghost:focus-visible {
  background: rgba(247, 249, 246, 0.16);
  border-color: var(--chalk);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-about .about-community__item:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 920px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.88fr);
    align-items: start;
  }

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

  .page-about .about-process__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-about .about-chronicle__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 0.9fr);
    align-items: start;
  }

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

  .page-about .about-community__item:last-child {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .page-about .about-hero::before {
    width: 100%;
    right: -40%;
    opacity: 0.7;
  }

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

  .page-about .about-cta__actions {
    width: 100%;
  }

  .page-about .about-cta__solid,
  .page-about .about-cta .btn--ghost {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .page-about .about-role:hover,
  .page-about .about-cta__solid:hover {
    transform: none;
  }
}
<<<END>>>