/* ===== 品牌档案页 · 页面作用域 ===== */
.page-about {
  --about-edit: #1FA96B;
  --about-svc: #5E6F78;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .breadcrumb {
  padding-top: clamp(16px, 2vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-block: clamp(20px, 4vw, 44px) clamp(24px, 4vw, 48px);
}

.page-about .about-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.05rem, 5.6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
  max-width: 22ch;
  overflow-wrap: break-word;
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  color: var(--ink);
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  line-height: 1.78;
}

.page-about .about-hero__aside {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-about .about-mini {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-about .about-mini__num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-about .about-mini__label {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--silver);
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 232px);
    column-gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__aside {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    margin-top: 0;
    padding-top: 0;
    padding-left: 24px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

/* ---------- 横幅图 ---------- */
.page-about .about-banner {
  position: relative;
  margin: 0 0 clamp(36px, 6vw, 80px);
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--graphite);
}

.page-about .about-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .about-banner__cap {
  position: absolute;
  inset: auto 0 0 0;
  margin: 0;
  padding: 56px clamp(16px, 3vw, 28px) clamp(14px, 2vw, 20px);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--ink);
  background: linear-gradient(to top, rgba(11, 14, 15, 0.92), rgba(11, 14, 15, 0));
}

/* ---------- 章节编号头 ---------- */
.page-about .about-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 16px;
  align-items: start;
}

.page-about .about-head > div {
  min-width: 0;
}

.page-about .about-head__no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--green);
  padding-top: 0.48em;
  white-space: nowrap;
}

/* ---------- 发展时间带 ---------- */
.page-about .tl {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-about .tl__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.page-about .tl__mark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-top: 6px;
}

.page-about .tl__year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--silver);
  font-variant-numeric: tabular-nums;
}

.page-about .tl__dot {
  width: 9px;
  height: 9px;
  margin-left: 1px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(43, 224, 138, 0.14);
  flex: none;
}

.page-about .tl__line {
  flex: 1 1 auto;
  width: 1px;
  margin-left: 5px;
  min-height: 24px;
  background: linear-gradient(to bottom, rgba(43, 224, 138, 0.45), rgba(154, 165, 171, 0.06));
}

.page-about .tl__item:last-child .tl__line {
  display: none;
}

.page-about .tl__card {
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--graphite);
  max-width: 720px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .tl__card:hover {
  border-color: var(--line-strong);
  background: var(--raised);
}

.page-about .tl__title {
  margin: 14px 0 0;
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.45;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-about .tl__text {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 0.97rem;
  line-height: 1.78;
  max-width: 60ch;
}

.page-about .tl__item--now .tl__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.18);
}

.page-about .tl__item--now .tl__year {
  color: var(--orange);
}

.page-about .tl__item--now .tl__card {
  border-color: rgba(255, 122, 47, 0.42);
  background: linear-gradient(158deg, rgba(255, 122, 47, 0.11), var(--graphite) 58%);
}

@media (min-width: 900px) {
  .page-about .tl__item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 32px;
  }

  .page-about .tl__item:nth-child(odd) .tl__card {
    max-width: 100%;
  }

  .page-about .tl__item:nth-child(even) .tl__card {
    max-width: 580px;
  }
}

/* ---------- 横向数据带 ---------- */
.page-about .dband {
  position: relative;
  margin-block: clamp(38px, 6vw, 84px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(43, 224, 138, 0.06), rgba(11, 14, 15, 0) 72%),
    var(--graphite);
  overflow: hidden;
}

.page-about .dband::before {
  content: "";
  position: absolute;
  left: -8%;
  top: -60%;
  width: 54%;
  height: 200%;
  background: radial-gradient(circle, rgba(43, 224, 138, 0.12), rgba(11, 14, 15, 0) 66%);
  pointer-events: none;
}

.page-about .dband--quiet {
  background:
    linear-gradient(180deg, rgba(154, 165, 171, 0.06), rgba(11, 14, 15, 0) 72%),
    var(--graphite);
}

.page-about .dband--quiet::before {
  display: none;
}

.page-about .dband__inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 34px);
  padding-block: clamp(26px, 4vw, 48px);
}

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

.page-about .dband__num {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.85rem, 4.6vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.page-about .dband--quiet .dband__num {
  color: var(--ink);
}

.page-about .dband__unit {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--green);
}

.page-about .dband--quiet .dband__unit {
  color: var(--silver);
}

.page-about .dband__label {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.62;
  color: var(--silver);
  max-width: 26ch;
}

@media (min-width: 860px) {
  .page-about .dband__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 六道工序 ---------- */
.page-about .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
}

@media (min-width: 720px) {
  .page-about .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-about .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .flow__step {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--graphite);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .flow__step[open] {
  border-color: rgba(43, 224, 138, 0.4);
  background: var(--raised);
}

.page-about .flow__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .flow__sum:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -2px;
}

.page-about .flow__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--green);
  padding: 3px 9px;
  border: 1px solid rgba(43, 224, 138, 0.34);
  border-radius: var(--r-pill);
}

.page-about .flow__name {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .flow__plus {
  position: relative;
  flex: none;
  margin-left: auto;
  width: 14px;
  height: 14px;
}

.page-about .flow__plus::before,
.page-about .flow__plus::after {
  content: "";
  position: absolute;
  background: var(--silver);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .flow__plus::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-about .flow__plus::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-about .flow__step[open] .flow__plus::before {
  background: var(--green);
}

.page-about .flow__step[open] .flow__plus::after {
  transform: scaleY(0);
}

.page-about .flow__body {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--ink);
  font-size: 0.94rem;
  line-height: 1.76;
  animation: about-fade 0.26s var(--ease) both;
}

@keyframes about-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 配图 ---------- */
.page-about .about-figure {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--graphite);
  overflow: hidden;
}

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

.page-about .about-figure figcaption {
  padding: 14px 18px 18px;
  font-size: 0.82rem;
  line-height: 1.62;
  color: var(--silver);
}

.page-about .about-figure--flow {
  margin-top: clamp(26px, 4vw, 40px);
}

/* ---------- 赛季归档 ---------- */
.page-about .about-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

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

.page-about .about-archive__note {
  margin: 16px 0 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.76;
  max-width: 60ch;
}

.page-about .about-archive__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

@media (min-width: 980px) {
  .page-about .about-archive__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-about .about-figure--archive {
    margin-top: 8px;
  }
}

/* ---------- 团队分工 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(26px, 4vw, 44px);
  align-items: center;
}

.page-about .about-ring {
  position: relative;
  width: min(300px, 76vw);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}

.page-about .about-ring svg {
  display: block;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.page-about .about-ring__track {
  fill: none;
  stroke: rgba(154, 165, 171, 0.16);
  stroke-width: 18;
}

.page-about .about-ring__seg {
  fill: none;
  stroke-width: 18;
  transition: stroke-width var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-about .about-ring__seg:hover {
  stroke-width: 25;
}

.page-about .about-ring__seg--data {
  stroke: var(--green);
}

.page-about .about-ring__seg--edit {
  stroke: var(--about-edit);
}

.page-about .about-ring__seg--tech {
  stroke: var(--silver);
}

.page-about .about-ring__seg--prod {
  stroke: var(--ink);
}

.page-about .about-ring__seg--serve {
  stroke: var(--about-svc);
}

.page-about .about-ring__center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  margin: 0;
  text-align: center;
  font-family: var(--font-mono);
  color: var(--white);
  pointer-events: none;
}

.page-about .about-ring__center span {
  display: block;
  font-size: clamp(2.4rem, 7vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-about .about-ring__center small {
  display: block;
  margin-top: 8px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--silver);
}

.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-team__item {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--graphite);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-team__item:hover {
  border-color: var(--line-strong);
  background: var(--raised);
}

.page-about .about-team__dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  flex: none;
}

.page-about .about-team__dot--data {
  background: var(--green);
}

.page-about .about-team__dot--edit {
  background: var(--about-edit);
}

.page-about .about-team__dot--tech {
  background: var(--silver);
}

.page-about .about-team__dot--prod {
  background: var(--ink);
}

.page-about .about-team__dot--serve {
  background: var(--about-svc);
}

.page-about .about-team__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-about .about-team__name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-team__desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-team__count {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--green);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

@media (min-width: 980px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-ring {
    margin-inline: 0;
  }
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
}

@media (min-width: 780px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-partners__card {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--graphite);
  border-top: 2px solid rgba(43, 224, 138, 0.5);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-partners__card:hover {
  background: var(--raised);
  border-color: var(--line-strong);
  border-top-color: var(--green);
}

.page-about .about-partners__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-about .about-partners__name {
  margin: 10px 0 0;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-partners__text {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--ink);
}

.page-about .about-extend {
  margin-top: clamp(24px, 3.6vw, 40px);
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(43, 224, 138, 0.07), rgba(11, 14, 15, 0) 62%),
    var(--graphite);
}

.page-about .about-extend__lead {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-extend__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-extend__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.93rem;
  line-height: 1.76;
  color: var(--ink);
  max-width: 72ch;
}

.page-about .about-extend__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--green);
}

.page-about .about-extend__list strong {
  color: var(--white);
  font-weight: 700;
}

.page-about .about-extend__link {
  margin: 20px 0 0;
}

.page-about .about-extend__link a {
  color: var(--green);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 224, 138, 0.4);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-extend__link a:hover {
  border-bottom-color: var(--green);
}

/* ---------- 主体信息 ---------- */
.page-about .about-identity__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
}

@media (min-width: 880px) {
  .page-about .about-identity__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

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

.page-about .about-identity__row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-identity__row dt {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--silver);
}

.page-about .about-identity__row dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.66;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-about .about-identity__row dd:first-of-type {
  font-family: var(--font-mono);
}

.page-about .about-contact {
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--graphite);
}

.page-about .about-contact__lead {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .about-contact__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.88rem;
  color: var(--silver);
}

.page-about .about-contact__value {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  overflow-wrap: break-word;
}

.page-about .about-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

/* ---------- 收尾入口 ---------- */
.page-about .about-cta {
  margin-top: clamp(32px, 5vw, 60px);
  padding-top: clamp(24px, 3.6vw, 36px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.page-about .about-cta__lead {
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 40ch;
}

.page-about .about-cta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 降级：减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .flow__body {
    animation: none;
  }

  .page-about .flow__plus::before,
  .page-about .flow__plus::after,
  .page-about .flow__step,
  .page-about .tl__card,
  .page-about .about-team__item,
  .page-about .about-ring__seg,
  .page-about .about-partners__card {
    transition: none;
  }
}
<<<END>>>