.page-about .about-hero {
  padding: 18px 0 6px;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 22px;
  margin-top: 18px;
}

.page-about .about-hero__k {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold);
  border-left: 16px solid var(--gold);
  padding-left: 8px;
  line-height: 1.2;
}

.page-about .about-hero__text h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 6.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--ivory);
  font-weight: 800;
}

.page-about .about-hero__lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .74);
}

.page-about .about-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-about .about-stats li {
  border-top: 1px solid var(--hair-strong);
  padding-top: 10px;
}

.page-about .about-stats b {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.1;
  color: var(--ivory);
  letter-spacing: .02em;
}

.page-about .about-stats span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone-lit);
}

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

.page-about .about-hero__shot .media-frame {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

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

.page-about .about-sec {
  padding: 42px 0 38px;
  border-top: 1px solid var(--hair-soft);
}

.page-about .about-sec__head {
  display: grid;
  gap: 9px;
  max-width: 46em;
}

.page-about .about-sec__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .about-sec h2,
.page-about .about-band h2,
.page-about .about-next h2 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--ivory);
}

.page-about .about-sec__intro {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .68);
}

/* 时间轴 */
.page-about .about-tl {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--hair-strong) 26%, var(--hair-strong) 78%, rgba(243, 235, 221, 0));
}

.page-about .about-tl__item {
  position: relative;
  padding-left: 34px;
  padding-bottom: 12px;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 15px;
  height: 3px;
  background: var(--stone);
  transition: width .16s ease, background-color .16s ease;
}

.page-about .about-tl__item:has(.about-stage[open])::before {
  width: 22px;
  background: var(--gold);
}

.page-about .about-stage {
  border: 1px solid var(--hair-soft);
  background: rgba(243, 235, 221, .028);
  transition: border-color .16s ease, background-color .16s ease;
}

.page-about .about-stage[open] {
  border-color: rgba(201, 162, 39, .45);
  background: rgba(201, 162, 39, .05);
}

.page-about .about-stage summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
}

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

.page-about .about-stage__year {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gold);
  min-width: 62px;
}

.page-about .about-stage__name {
  flex: 1 1 auto;
  font-size: 15px;
  font-weight: 700;
  color: var(--ivory);
  line-height: 1.4;
}

.page-about .about-stage__sign {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--stone-lit);
  border-bottom: 1px solid var(--stone-lit);
  transform: rotate(45deg);
  transition: transform .16s ease;
}

.page-about .about-stage[open] .about-stage__sign {
  transform: rotate(-135deg);
}

.page-about .about-stage__body {
  padding: 0 15px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .72);
}

.page-about .about-stage__body p {
  margin: 0;
}

.page-about .about-stage__body ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-about .about-stage__body li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  color: rgba(243, 235, 221, .6);
}

.page-about .about-stage__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 7px;
  height: 1px;
  background: var(--field);
}

/* 团队职能 */
.page-about .about-team {
  display: grid;
  margin-top: 24px;
}

.page-about .about-team__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
  padding: 14px 0;
  border-top: 1px solid var(--hair-soft);
}

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

.page-about .about-team__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--ivory);
}

.page-about .about-team__num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
  letter-spacing: .04em;
}

.page-about .about-team__bar {
  grid-column: 1 / -1;
  position: relative;
  height: 6px;
  background: rgba(243, 235, 221, .07);
  overflow: hidden;
}

.page-about .about-team__bar i {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  display: block;
  background: linear-gradient(90deg, var(--field), var(--mist));
  transition: width .28s ease;
}

.page-about .about-team__row:nth-child(1) .about-team__bar i { width: 15%; }
.page-about .about-team__row:nth-child(2) .about-team__bar i { width: 20%; }
.page-about .about-team__row:nth-child(3) .about-team__bar i { width: 38%; }
.page-about .about-team__row:nth-child(4) .about-team__bar i { width: 18%; }
.page-about .about-team__row:nth-child(5) .about-team__bar i { width: 8%; }

.page-about .about-team__desc {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .62);
}

.page-about .about-team__media {
  margin: 26px 0 0;
}

/* 客户类型色带 */
.page-about .about-band {
  margin-top: 8px;
  padding: 40px 0 42px;
  background: var(--bone);
  color: var(--ink-deep);
}

.page-about .about-band .about-sec__k {
  color: var(--stone);
}

.page-about .about-band h2 {
  color: var(--ink-deep);
}

.page-about .about-band .about-sec__intro {
  color: rgba(17, 24, 32, .72);
}

.page-about .about-aud {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-aud__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 2px 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(17, 24, 32, .18);
}

.page-about .about-aud__item:last-child {
  border-bottom: 1px solid rgba(17, 24, 32, .18);
}

.page-about .about-aud__idx {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--clay);
  padding-top: 3px;
}

.page-about .about-aud__item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-about .about-aud__item p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(17, 24, 32, .74);
}

/* 合作生态 */
.page-about .about-eco {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  border: 1px solid var(--hair);
  background: var(--hair);
}

.page-about .about-eco__cell {
  background: var(--ink);
  padding: 18px 16px 20px;
  transition: background-color .16s ease;
}

.page-about .about-eco__cell:hover,
.page-about .about-eco__cell:focus-within {
  background: rgba(31, 111, 92, .2);
}

.page-about .about-eco__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-about .about-eco__cell h3 {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--ivory);
}

.page-about .about-eco__cell p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(243, 235, 221, .66);
}

.page-about .about-eco__meta {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* 质量流程 */
.page-about .about-flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-flow__step {
  border-left: 2px solid var(--field);
  padding: 2px 0 2px 14px;
}

.page-about .about-flow__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-about .about-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .7);
}

.page-about .about-audit {
  margin-top: 24px;
  padding: 16px 16px 18px;
  border: 1px solid rgba(201, 162, 39, .55);
  background: rgba(201, 162, 39, .07);
  display: grid;
  gap: 6px;
}

.page-about .about-audit__year {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-about .about-audit p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .74);
}

/* 荣誉 */
.page-about .about-honor {
  margin-top: 24px;
  display: grid;
  gap: 22px;
}

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

.page-about .about-honor__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-honor__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 15px 14px;
  border: 1px solid var(--hair-soft);
  background: rgba(243, 235, 221, .03);
  transition: border-color .16s ease;
}

.page-about .about-honor__item:hover,
.page-about .about-honor__item:focus-within {
  border-color: rgba(201, 162, 39, .55);
}

.page-about .about-honor__mark {
  color: var(--gold);
  line-height: 0;
  padding-top: 2px;
}

.page-about .about-honor__item h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ivory);
}

.page-about .about-honor__item p {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(243, 235, 221, .66);
}

/* 下一步 */
.page-about .about-next {
  padding: 10px 0 52px;
}

.page-about .about-next__panel {
  display: grid;
  gap: 24px;
  padding: 26px 20px 28px;
  border: 1px solid var(--hair-strong);
  background: linear-gradient(148deg, rgba(31, 111, 92, .26), rgba(11, 27, 43, .92) 62%);
  box-shadow: var(--shadow-hard);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-about .about-next__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .about-next__lead h2 {
  margin: 10px 0 0;
}

.page-about .about-next__lead p {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, .74);
}

.page-about .about-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair-soft);
}

.page-about .about-next__links a {
  display: grid;
  gap: 4px;
  padding: 13px 14px;
  background: rgba(11, 27, 43, .86);
  color: var(--ivory);
  text-decoration: none;
  transition: background-color .16s ease, color .16s ease;
}

.page-about .about-next__links a:hover,
.page-about .about-next__links a:focus-visible {
  background: var(--field);
  color: var(--ivory);
}

.page-about .about-next__links b {
  font-size: 15px;
  font-weight: 700;
}

.page-about .about-next__links span {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(243, 235, 221, .62);
}

.page-about .about-next__links a:hover span,
.page-about .about-next__links a:focus-visible span {
  color: rgba(243, 235, 221, .86);
}

@media (min-width: 700px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-aud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-about .about-aud__item:nth-last-child(2) {
    border-bottom: 1px solid rgba(17, 24, 32, .18);
  }

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

  .page-about .about-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: 26px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.06fr .94fr;
    align-items: end;
    gap: 40px;
    margin-top: 24px;
  }

  .page-about .about-hero__lede {
    font-size: 16px;
  }

  .page-about .about-sec {
    padding: 54px 0 48px;
  }

  .page-about .about-tl {
    margin-left: 6px;
  }

  .page-about .about-team__row {
    grid-template-columns: 176px 1fr 64px;
    gap: 6px 20px;
    padding: 16px 0;
  }

  .page-about .about-team__name {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-team__bar {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-team__num {
    grid-column: 3;
    grid-row: 1;
    text-align: right;
  }

  .page-about .about-team__desc {
    grid-column: 2 / 4;
    grid-row: 2;
  }

  .page-about .about-team__media {
    margin-top: 34px;
  }

  .page-about .about-band {
    padding: 54px 0 56px;
  }

  .page-about .about-eco__cell {
    padding: 22px 22px 24px;
  }

  .page-about .about-honor {
    grid-template-columns: .82fr 1.18fr;
    gap: 34px;
    align-items: start;
  }

  .page-about .about-next__panel {
    grid-template-columns: 1.05fr .95fr;
    gap: 40px;
    padding: 36px 34px 38px;
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-about .about-hero__text h1 {
    font-size: 54px;
  }

  .page-about .about-aud {
    column-gap: 48px;
  }
}