.page-about {
  --about-year-col: 148px;
}

/* 面包屑 */
.page-about .about-crumb {
  padding-top: 20px;
  padding-bottom: 6px;
}

/* 首屏框景 */
.page-about .about-hero {
  padding-top: clamp(14px, 2.2vw, 28px);
}

.page-about .about-hero__frame {
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  padding: clamp(20px, 4vw, 52px);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.4vw, 60px);
  line-height: 1.14;
  letter-spacing: .012em;
  color: var(--ink);
  margin: 14px 0 18px;
  max-width: 18ch;
}

.page-about .about-hero__lede {
  color: var(--muted);
  max-width: 46ch;
  margin: 0;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
  width: 100%;
}

.page-about .about-hero__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-about .about-hero__tint {
  background: linear-gradient(160deg, rgba(158, 27, 50, 0.34) 0%, rgba(217, 79, 43, 0.16) 46%, rgba(201, 151, 28, 0.2) 100%);
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }
}

/* 源起 */
.page-about .about-origin {
  padding-top: clamp(40px, 5vw, 80px);
  padding-bottom: clamp(36px, 5vw, 76px);
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 46px);
}

.page-about .about-year {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 84px);
  line-height: .92;
  letter-spacing: -.015em;
  color: var(--red);
  margin: 0;
}

.page-about .about-year__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--muted);
  margin: 8px 0 0;
}

.page-about .about-origin__scale {
  margin: 16px 0;
  width: 58px;
}

.page-about .about-origin__aside-note {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--edge);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-origin__prose p {
  margin: 0 0 16px;
}

.page-about .about-origin__note {
  margin-top: clamp(18px, 2.4vw, 28px);
}

@media (min-width: 860px) {
  .page-about .about-origin__grid {
    grid-template-columns: var(--about-year-col) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 68px);
  }
  .page-about .about-origin__aside {
    align-self: start;
    position: sticky;
    top: 148px;
  }
}

/* 标签页区 */
.page-about .about-method {
  padding-top: clamp(36px, 4.6vw, 74px);
  padding-bottom: clamp(36px, 4.6vw, 74px);
}

.page-about .about-method__head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-about .about-method__lede {
  color: var(--muted);
  margin: 12px 0 0;
}

.page-about .about-method__tabs {
  margin-top: clamp(10px, 1.6vw, 18px);
}

.page-about .about-method__panel {
  padding-top: clamp(20px, 2.6vw, 32px);
}

.page-about .about-method__h3 {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-about .about-method__intro,
.page-about .about-team__intro,
.page-about .about-mile__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 60ch;
}

.page-about .about-method__note {
  margin-top: clamp(18px, 2.4vw, 26px);
}

/* 方法步骤 */
.page-about .about-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-about .about-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--hair);
}

.page-about .about-steps__item:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-about .about-steps__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 600;
  line-height: 1;
  color: var(--orange);
  padding-top: 2px;
}

.page-about .about-steps__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

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

/* 团队 */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 38px);
}

.page-about .about-team__list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
}

.page-about .about-team__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid var(--hair);
}

.page-about .about-team__list li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-about .about-team__list strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--lake);
  letter-spacing: .04em;
}

.page-about .about-team__list span {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-team__after {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-about .about-team__figure {
  margin: 0;
  width: 100%;
}

.page-about .about-team__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

@media (min-width: 880px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-about .about-team__list li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

/* 里程碑 */
.page-about .about-mile {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-about .about-mile > li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--hair);
}

.page-about .about-mile > li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-about .about-mile__year {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--red);
  padding-top: 3px;
}

.page-about .about-mile h4 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

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

.page-about .about-mile__sum {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  max-width: 62ch;
}

.page-about .about-mile__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  width: 100%;
}

.page-about .about-mile__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* 视觉与文化 */
.page-about .about-visual {
  padding-top: clamp(38px, 5vw, 78px);
  padding-bottom: clamp(38px, 5vw, 78px);
}

.page-about .about-visual__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
}

.page-about .about-visual__prose p {
  margin: 0 0 16px;
}

.page-about .about-swatches {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-about .about-swatch {
  background: var(--panel);
  padding: 14px 14px 16px;
  display: grid;
  gap: 5px;
  align-content: start;
}

.page-about .about-swatch__chip {
  display: block;
  width: 100%;
  height: 30px;
  margin-bottom: 4px;
}

.page-about .about-swatch--red .about-swatch__chip { background: var(--red); }
.page-about .about-swatch--orange .about-swatch__chip { background: var(--orange); }
.page-about .about-swatch--gold .about-swatch__chip { background: var(--gold); }
.page-about .about-swatch--lake .about-swatch__chip { background: var(--lake); }
.page-about .about-swatch--sage .about-swatch__chip { background: var(--sage); }
.page-about .about-swatch--navy .about-swatch__chip { background: var(--navy); }

.page-about .about-swatch__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-swatch__use {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--muted);
}

@media (min-width: 940px) {
  .page-about .about-visual__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: clamp(32px, 4vw, 60px);
  }
}

/* 服务承诺 */
.page-about .about-service {
  padding-top: clamp(36px, 4.6vw, 72px);
  padding-bottom: clamp(36px, 4.6vw, 72px);
}

.page-about .about-service__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 48px);
}

.page-about .about-service__kicker {
  color: var(--edge);
}

.page-about .about-service__title {
  color: var(--cream);
  margin-top: 10px;
}

.page-about .about-service__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 248, 238, 0.78);
  max-width: 54ch;
}

.page-about .about-service__cta {
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-about .about-service__facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .about-service__facts > div {
  padding: 14px 0;
  border-top: 1px solid rgba(255, 248, 238, 0.22);
}

.page-about .about-service__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: rgba(255, 248, 238, 0.62);
  margin-bottom: 5px;
}

.page-about .about-service__facts dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--cream);
  word-break: break-word;
}

@media (min-width: 860px) {
  .page-about .about-service__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
    gap: clamp(34px, 4vw, 64px);
  }
  .page-about .about-swatches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>