/* ============================================================
   品牌概况 /profile/ —— page-about
   ============================================================ */

.page-about {
  --about-pad: clamp(40px, 7vw, 88px);
  --about-gap: clamp(16px, 3vw, 30px);
  background: var(--c-ink);
  color: var(--c-paper);
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  padding: clamp(20px, 3.4vw, 34px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 5vw, 52px);
}

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

@media (min-width: 940px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.95fr);
    gap: clamp(34px, 5vw, 72px);
    align-items: end;
  }
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
  color: var(--c-paper);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--c-orange);
  white-space: nowrap;
}

.page-about .about-hero__text {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 60ch;
  color: var(--c-paper);
  opacity: 0.86;
}

.page-about .about-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-hero__fig {
  background: var(--c-slate);
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2vw, 20px) clamp(16px, 2.4vw, 22px);
}

.page-about .about-hero__fig--accent {
  background: var(--c-slate-2);
}

.page-about .about-hero__fig-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-cyan);
}

.page-about .about-hero__fig--accent .about-hero__fig-num {
  color: var(--c-orange);
}

.page-about .about-hero__fig-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--c-gray);
}

/* ---------- 通栏图 ---------- */
.page-about .about-band {
  margin: 0 0 clamp(8px, 2vw, 20px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

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

.page-about .about-band__caption {
  padding: 12px var(--gutter);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-gray);
  border-top: 1px solid var(--line);
}

/* ---------- 通用小节 ---------- */
.page-about .about-sec {
  padding: var(--about-pad) 0 0;
}

.page-about .about-sec__grid {
  display: grid;
  gap: var(--about-gap);
}

@media (min-width: 880px) {
  .page-about .about-sec__grid {
    grid-template-columns: minmax(0, 206px) minmax(0, 1fr);
    gap: clamp(30px, 5vw, 76px);
  }
}

.page-about .about-sec__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

@media (min-width: 880px) {
  .page-about .about-sec__aside {
    position: sticky;
    top: calc(var(--strip-h) + 26px);
    align-self: start;
  }
}

.page-about .about-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(60px, 13vw, 112px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--c-paper);
  opacity: 0.15;
  user-select: none;
}

.page-about .about-num--accent {
  color: var(--c-cyan);
  opacity: 0.82;
}

.page-about .about-sec__aside .eyebrow {
  color: var(--c-amber);
  border-top: 1px solid var(--line-strong);
  padding-top: 10px;
}

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

.page-about .about-sec__body--wide {
  max-width: none;
}

.page-about .about-sec__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: var(--c-paper);
}

.page-about .about-sec__body > p {
  max-width: 66ch;
  margin: 0 0 1.1em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--c-paper);
  opacity: 0.84;
}

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

.page-about .about-sec__intro {
  color: var(--c-gray) !important;
  opacity: 1 !important;
  font-size: 15px !important;
}

/* ---------- 发展历程时间轴 ---------- */
.page-about .about-tl {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0 0 0 34px;
  position: relative;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: var(--line-strong);
}

.page-about .about-tl__item {
  position: relative;
  padding-bottom: 10px;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(255, 196, 92, 0.14);
}

.page-about .about-tl__head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--c-slate);
  border: 1px solid var(--line);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-tl__head:hover {
  background: var(--c-slate-2);
  border-color: var(--line-strong);
}

.page-about .about-tl__head:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-about .about-tl__year {
  flex: none;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--c-amber);
}

.page-about .about-tl__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(16px, 2.4vw, 21px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-about .about-tl__mark {
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-about .about-tl__head[aria-expanded="true"] .about-tl__mark {
  transform: rotate(225deg);
}

.page-about .about-tl__panel {
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.page-about .about-tl__panel[hidden] {
  display: none;
}

.has-js .page-about .about-tl__panel {
  display: none;
}

.has-js .page-about .about-tl__panel.is-open {
  display: block;
}

.page-about .about-tl__inner {
  padding: 14px 4px 18px 16px;
}

.page-about .about-tl__inner p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-paper);
  opacity: 0.78;
}

/* ---------- 页面内配图 ---------- */
.page-about .about-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-about .about-figure__media {
  position: relative;
  border: 1px solid var(--line);
}

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

.page-about .about-figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-gray);
}

@media (min-width: 760px) {
  .page-about .about-figure--team {
    float: right;
    width: 46%;
    margin: 6px 0 18px 28px;
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 760px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-about .about-team__card {
  position: relative;
  background: var(--c-slate);
  border: 1px solid var(--line);
  padding: clamp(18px, 2.6vw, 26px);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-team__card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-3px);
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 3px;
  background: var(--c-orange);
}

.page-about .about-team__count {
  display: block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-about .about-team__role {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.25;
  margin: 8px 0 10px;
  color: var(--c-paper);
}

.page-about .about-team__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-paper);
  opacity: 0.76;
}

.page-about .about-team__foot {
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-gray);
}

/* ---------- 两条能力线 ---------- */
.page-about .about-cap {
  display: grid;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 780px) {
  .page-about .about-cap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-about .about-cap__card {
  position: relative;
  background: var(--c-slate);
  border: 1px solid var(--line-strong);
  padding: clamp(20px, 3vw, 30px);
}

.page-about .about-cap__card::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--line);
  pointer-events: none;
}

.page-about .about-cap__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  color: var(--c-paper);
}

.page-about .about-cap__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-cap__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-strong);
  font-size: 14.5px;
}

.page-about .about-cap__k {
  color: var(--c-gray);
}

.page-about .about-cap__v {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-amber);
  text-align: right;
}

.page-about .about-cap__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-paper);
  opacity: 0.68;
}

.page-about .about-cap__foot {
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-paper);
  opacity: 0.8;
}

/* ---------- 联系方式 ---------- */
.page-about .about-contact {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-strong);
}

.page-about .about-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 620px) {
  .page-about .about-contact__row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-about .about-contact__k {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-about .about-contact__v {
  font-size: clamp(14.5px, 1.7vw, 16px);
  line-height: 1.6;
  color: var(--c-paper);
  word-break: break-word;
}

.page-about .about-contact__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 66ch;
  padding-left: 14px;
  border-left: 2px solid var(--c-amber);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-gray);
}

/* ---------- 行动链接 ---------- */
.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* ---------- 看台阶梯装饰 ---------- */
.page-about .about-steps {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 52px;
  margin-top: clamp(30px, 4vw, 46px);
  max-width: 320px;
  margin-left: auto;
}

.page-about .about-steps i {
  flex: 1;
  background: var(--c-slate-2);
  border-top: 2px solid var(--c-amber);
}

.page-about .about-steps i:nth-child(1) { height: 22%; }
.page-about .about-steps i:nth-child(2) { height: 40%; border-top-color: var(--c-cyan); }
.page-about .about-steps i:nth-child(3) { height: 58%; }
.page-about .about-steps i:nth-child(4) { height: 78%; border-top-color: var(--c-orange); }
.page-about .about-steps i:nth-child(5) { height: 100%; }

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__mark,
  .page-about .about-team__card,
  .page-about .about-tl__head {
    transition: none;
  }
  .page-about .about-team__card:hover {
    transform: none;
  }
}
<<<END>>>