/* ===================== 品牌自述页 · page-about ===================== */

.page-about {
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

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

.page-about h2,
.page-about h3 {
  text-wrap: balance;
}

.page-about .crumbs {
  margin-bottom: 26px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */

.about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 6vw, 72px) 0 clamp(34px, 5vw, 60px);
  background:
    radial-gradient(120% 88% at 86% 4%, rgba(47, 240, 214, 0.14), transparent 58%),
    radial-gradient(90% 70% at 6% 96%, rgba(255, 122, 51, 0.12), transparent 62%),
    linear-gradient(178deg, #0A1330 0%, #0e1c42 58%, var(--charcoal) 100%);
  border-bottom: 1px solid var(--stroke);
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(44, 51, 80, 0.55) 1px, transparent 1px);
  background-size: 72px 100%;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 92%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 92%);
}

.about-hero .shell {
  position: relative;
  z-index: 1;
}

.about-kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 11px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  border: 1px solid rgba(47, 240, 214, 0.42);
  background: rgba(47, 240, 214, 0.06);
}

.about-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #ffffff;
  max-width: 20ch;
}

.about-hero__body {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 44px);
}

.about-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--text);
  border-left: 2px solid rgba(47, 240, 214, 0.5);
  padding-left: 16px;
}

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

.about-stat {
  background: rgba(27, 42, 82, 0.62);
  padding: 16px 14px;
  min-width: 0;
}

.about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(21px, 3.2vw, 29px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.about-stat__num--warm {
  color: var(--orange);
}

.about-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

/* ---------- 通用展区 ---------- */

.about-sec {
  padding: clamp(44px, 7vw, 84px) 0;
}

.about-sec--tight {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(24px, 4vw, 44px);
}

.about-sec--paper {
  background: linear-gradient(180deg, rgba(27, 42, 82, 0.42) 0%, rgba(10, 19, 48, 0.9) 100%);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
}

.about-sec__head {
  max-width: 72ch;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.about-sec__num {
  display: inline-block;
  margin-bottom: 14px;
  padding-bottom: 4px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--orange);
  border-bottom: 1px solid rgba(255, 122, 51, 0.55);
}

.about-sec__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(25px, 4.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.about-sec__lede {
  margin: 0;
  font-size: clamp(15.5px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 图片 ---------- */

.about-figure {
  margin: 0;
  border: 1px solid var(--stroke);
  background: var(--night);
  box-shadow: var(--shadow-layer);
  overflow: hidden;
}

.about-figure img {
  width: 100%;
  object-fit: cover;
  background: linear-gradient(140deg, var(--night), var(--charcoal));
}

.about-figure--wide img {
  aspect-ratio: 14 / 9;
}

.about-figure--flow img {
  aspect-ratio: 8 / 5;
}

.about-figure--col img {
  aspect-ratio: 3 / 2;
}

.about-figure figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--stroke);
  letter-spacing: 0.02em;
}

/* ---------- 历程时间带 ---------- */

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

.timeline::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--cyan-soft) 46%, var(--orange) 100%);
  opacity: 0.5;
}

.timeline__item {
  position: relative;
  padding: 20px 0 20px 26px;
  border-top: 1px solid var(--stroke);
}

.timeline__item:last-child {
  border-bottom: 1px solid var(--stroke);
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.timeline__year {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: var(--cyan);
}

.timeline__body h3 {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.3vw, 22px);
  font-weight: 800;
  line-height: 1.32;
  color: #ffffff;
}

.timeline__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 团队分工 ---------- */

.about-roles {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.about-roles__aside-title,
.about-reach__aside-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.role-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.role-tag {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 14px;
  background: rgba(27, 42, 82, 0.5);
  border: 1px solid var(--stroke);
  border-left: 2px solid var(--cyan);
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.role-tag:hover,
.role-tag:focus-within {
  background: rgba(47, 240, 214, 0.1);
  border-color: var(--cyan);
  transform: translateX(3px);
}

.role-tag__name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: #ffffff;
}

.role-tag__duty {
  font-size: 12px;
  line-height: 1.4;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.about-roles__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
}

.about-roles__body p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

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

/* ---------- 流程数据带 ---------- */

.about-flow {
  padding: clamp(34px, 5.5vw, 68px) 0;
  background:
    radial-gradient(70% 120% at 100% 0%, rgba(255, 122, 51, 0.1), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, #0d1836 100%);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
}

.about-flow__rule {
  height: 2px;
  margin-bottom: clamp(26px, 4vw, 46px);
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-soft) 42%, var(--orange) 100%);
  opacity: 0.85;
}

.about-flow__grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.about-flow__lede {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--stroke);
  border: 1px solid var(--stroke);
}

.flow-step {
  position: relative;
  padding: 18px 16px 18px 18px;
  background: var(--ink);
  border-left: 2px solid var(--stroke);
}

.flow-step:nth-child(1) {
  border-left-color: var(--cyan);
}

.flow-step:nth-child(2) {
  border-left-color: var(--cyan-soft);
}

.flow-step:nth-child(3) {
  border-left-color: var(--orange-soft);
}

.flow-step:nth-child(4) {
  border-left-color: var(--orange);
}

.flow-step__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.flow-step__name {
  display: block;
  margin: 7px 0 5px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: #ffffff;
}

.flow-step__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 覆盖范围 ---------- */

.coverage-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.coverage-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--stroke);
}

.coverage-list li:first-child {
  border-top: 1px dashed var(--stroke);
}

.coverage-list__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.coverage-list__num--warm {
  color: var(--orange);
}

.coverage-list h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: #ffffff;
}

.coverage-list p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 栏目分工 ---------- */

.about-columns {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.col-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--stroke);
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
}

.col-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 16px;
  background: rgba(10, 19, 48, 0.86);
  transition: background 0.22s ease;
}

.col-item:hover {
  background: var(--night);
}

.col-item__num {
  padding-top: 4px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.col-item h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.35;
  color: #ffffff;
}

.col-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

.col-item__link {
  display: inline-block;
  margin-top: 9px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 214, 0.42);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.col-item__link:hover,
.col-item__link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.about-columns__media {
  align-self: start;
}

/* ---------- 服务地区与合作 ---------- */

.about-reach {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.about-reach__main p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

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

.about-reach__aside {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid rgba(22, 24, 29, 0.18);
  box-shadow: var(--shadow-layer);
}

.about-reach__aside-title {
  color: rgba(22, 24, 29, 0.55);
}

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

.honor-list li {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(22, 24, 29, 0.14);
}

.honor-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.honor-list__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

.honor-list__text {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(22, 24, 29, 0.78);
}

/* ---------- 收尾 ---------- */

.about-cta {
  padding: clamp(44px, 7vw, 82px) 0 clamp(52px, 8vw, 96px);
  background: linear-gradient(180deg, var(--ink) 0%, var(--charcoal) 100%);
}

.about-cta__rule {
  height: 1px;
  margin-bottom: clamp(28px, 4.5vw, 48px);
  background: linear-gradient(90deg, var(--cyan), rgba(47, 240, 214, 0.1) 55%, var(--orange));
  opacity: 0.7;
}

.about-cta__inner {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.about-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.about-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.about-cta__note {
  margin: 26px 0 0;
  padding-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  border-top: 1px solid var(--stroke);
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .coverage-list li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 760px) {
  .timeline::before {
    display: none;
  }

  .timeline__item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 32px;
    padding: 26px 0;
    padding-left: 0;
  }

  .timeline__item::before {
    display: none;
  }

  .timeline__year {
    font-size: 21px;
    padding-top: 3px;
  }

  .timeline__body h3 {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .about-hero__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: var(--gap);
    align-items: start;
  }

  .about-roles {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: var(--gap);
  }

  .about-flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--gap);
    align-items: start;
  }

  .about-columns {
    grid-template-columns: minmax(0, 8fr) minmax(0, 5fr);
    gap: var(--gap);
    align-items: start;
  }

  .about-columns__media {
    position: sticky;
    top: 104px;
  }

  .about-reach {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gap);
    align-items: start;
  }

  .about-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gap);
    align-items: center;
  }

  .about-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .about-hero__title {
    max-width: 24ch;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>