.page-about {
  --about-soft: #34483F;
  --about-hair: rgba(42, 74, 65, 0.22);
  --about-hair-dark: rgba(143, 167, 156, 0.26);
  display: block;
  background: var(--ink);
}

.page-about h1,
.page-about h2,
.page-about h3,
.page-about p,
.page-about ol,
.page-about ul,
.page-about figure {
  margin: 0;
}

.page-about ol,
.page-about ul {
  padding: 0;
  list-style: none;
}

.page-about a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

.page-about a:hover {
  color: var(--gold-bright);
}

/* ============ 首屏 ============ */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 8% -12%, rgba(79, 147, 170, 0.2), transparent 58%),
    radial-gradient(84% 72% at 94% 2%, rgba(201, 162, 39, 0.16), transparent 56%),
    var(--ink);
  color: var(--paper);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(42, 74, 65, 0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 74, 65, 0.6) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.32;
  -webkit-mask-image: radial-gradient(120% 92% at 50% 0%, #000 26%, transparent 78%);
  mask-image: radial-gradient(120% 92% at 50% 0%, #000 26%, transparent 78%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(26px, 4vw, 50px);
}

.page-about .about-hero .eyebrow {
  display: block;
  margin-top: clamp(18px, 2.6vw, 32px);
}

.page-about .about-hero__title {
  margin-top: clamp(12px, 1.6vw, 18px);
  max-width: 18ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-display);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--paper);
}

.page-about .about-hero__lead {
  margin-top: clamp(16px, 2.2vw, 28px);
  max-width: 60ch;
  font-size: var(--t-body);
  line-height: 1.85;
  color: rgba(245, 239, 226, 0.86);
}

.page-about .about-hero__facts {
  margin-top: clamp(26px, 3.8vw, 46px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-fact {
  background: var(--ink-deep);
  padding: clamp(14px, 2vw, 22px) clamp(14px, 1.8vw, 24px);
}

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-bright);
}

.page-about .about-fact__label {
  display: block;
  margin-top: 10px;
  font-size: var(--t-meta);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-hero__media {
  position: relative;
  z-index: 1;
  line-height: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: clamp(180px, 32vh, 360px);
  object-fit: cover;
  object-position: center 58%;
  filter: saturate(0.85) brightness(0.82);
}

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--gold) 0 28%,
    var(--rose) 28% 52%,
    var(--cyan) 52% 74%,
    transparent 74%
  );
  opacity: 0.9;
}

/* ============ 发展路径 ============ */

.page-about .about-path {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(42, 74, 65, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 74, 65, 0.07) 1px, transparent 1px);
  background-size: 88px 88px;
  color: var(--ink);
}

.page-about .about-path__head {
  max-width: 70ch;
}

.page-about .about-path__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h1);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-about .about-path__sub {
  margin-top: 16px;
  max-width: 56ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .about-path__body {
  margin-top: clamp(28px, 4vw, 50px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 40px);
}

.page-about .about-rail {
  display: none;
}

.page-about .about-stages {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-about .about-stage {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
  padding-bottom: clamp(16px, 2vw, 24px);
  border-bottom: 1px dashed var(--about-hair);
}

.page-about .about-stage:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-stage__idx {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-about .about-stage__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h3);
  line-height: 1.4;
  color: var(--ink);
}

.page-about .about-stage__desc {
  margin-top: 8px;
  max-width: 62ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .about-stage__desc a {
  color: var(--cyan);
}

/* ============ 服务对象 ============ */

.page-about .about-audience {
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(176, 83, 108, 0.12), transparent 58%),
    var(--ink);
  color: var(--paper);
}

.page-about .about-audience__head {
  max-width: 68ch;
}

.page-about .about-audience__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h1);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-about .about-audience__sub {
  margin-top: 16px;
  max-width: 56ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.78);
}

.page-about .about-audience__list {
  margin-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--about-hair-dark);
}

.page-about .about-audience__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(20px, 2.8vw, 32px) 0;
  border-bottom: 1px solid var(--about-hair-dark);
  transition: background 0.35s var(--ease);
}

.page-about .about-audience__title-item {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h3);
  line-height: 1.45;
  color: var(--paper);
}

.page-about .about-audience__num {
  display: inline-block;
  margin-right: 12px;
  font-family: var(--font-serif);
  font-size: 0.78em;
  color: var(--gold);
  letter-spacing: 0.04em;
  vertical-align: 0.08em;
}

.page-about .about-audience__desc {
  font-size: var(--t-body);
  line-height: 1.82;
  color: rgba(245, 239, 226, 0.76);
}

.page-about .about-coverage {
  margin-top: clamp(26px, 3.6vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-coverage__cell {
  background: var(--ink-deep);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-about .about-coverage__num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-bright);
}

.page-about .about-coverage__unit {
  display: block;
  margin-top: 10px;
  font-size: var(--t-small);
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-about .about-coverage__note {
  margin-top: 12px;
  font-size: var(--t-meta);
  line-height: 1.75;
  color: var(--mist);
}

/* ============ 运营标准 ============ */

.page-about .about-standards {
  background-color: var(--paper);
  color: var(--ink);
}

.page-about .about-standards__head {
  max-width: 68ch;
}

.page-about .about-standards__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h1);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-about .about-standards__sub {
  margin-top: 16px;
  max-width: 56ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .about-standards__grid {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
}

.page-about .about-standard {
  position: relative;
  background: var(--paper-2);
  border: 1px solid var(--about-hair);
  padding: clamp(22px, 2.8vw, 32px) clamp(18px, 2.4vw, 28px) clamp(22px, 2.8vw, 32px) clamp(26px, 3vw, 38px);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-about .about-standard::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--gold);
  transition: width 0.35s var(--ease), background 0.35s var(--ease);
}

.page-about .about-standard:hover,
.page-about .about-standard:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(11, 43, 36, 0.16);
}

.page-about .about-standard:hover::before,
.page-about .about-standard:focus-within::before {
  width: 4px;
  background: var(--gold-bright);
}

.page-about .about-standard__idx {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--t-small);
  letter-spacing: 0.18em;
  color: var(--rose);
}

.page-about .about-standard__title {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h3);
  line-height: 1.45;
  color: var(--ink);
}

.page-about .about-standard__desc {
  margin-top: 12px;
  font-size: var(--t-body);
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .about-standard__desc a {
  color: var(--cyan);
}

/* ============ 团队 ============ */

.page-about .about-team {
  background:
    radial-gradient(80% 70% at 0% 100%, rgba(79, 147, 170, 0.14), transparent 60%),
    var(--ink);
  color: var(--paper);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-team__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h1);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-about .about-team__sub {
  margin-top: 16px;
  max-width: 52ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.78);
}

.page-about .about-team__list {
  margin-top: clamp(24px, 3.2vw, 38px);
  border-top: 1px solid var(--about-hair-dark);
}

.page-about .about-team__unit {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: clamp(14px, 1.8vw, 22px);
  align-items: start;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--about-hair-dark);
}

.page-about .about-team__badge {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-bright);
}

.page-about .about-team__unit-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h3);
  line-height: 1.45;
  color: var(--paper);
}

.page-about .about-team__desc {
  margin-top: 10px;
  max-width: 58ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.76);
}

.page-about .about-team__figure {
  position: relative;
  line-height: 0;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-about .about-team__caption {
  margin-top: 12px;
  font-size: var(--t-meta);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
  line-height: 1.7;
}

/* ============ 协作生态 ============ */

.page-about .about-partners {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(42, 74, 65, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 74, 65, 0.06) 1px, transparent 1px);
  background-size: 88px 88px;
  color: var(--ink);
}

.page-about .about-partners__head {
  max-width: 68ch;
}

.page-about .about-partners__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h1);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--ink);
}

.page-about .about-partners__sub {
  margin-top: 16px;
  max-width: 56ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .about-partners__list {
  margin-top: clamp(28px, 4vw, 46px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--about-hair);
  border-top: 1px solid var(--about-hair);
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-partners__item {
  background: var(--paper);
  padding: clamp(20px, 2.6vw, 30px) clamp(18px, 2.2vw, 28px);
}

.page-about .about-partners__num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(28px, 3.8vw, 42px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-about .about-partners__item-title {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h3);
  line-height: 1.4;
  color: var(--ink);
}

.page-about .about-partners__item-desc {
  margin-top: 10px;
  font-size: var(--t-body);
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .about-partners__figure {
  margin-top: clamp(24px, 3.4vw, 44px);
  line-height: 0;
}

.page-about .about-partners__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
  border: 1px solid var(--about-hair);
}

/* ============ 运行节奏 ============ */

.page-about .about-rhythm {
  background:
    radial-gradient(100% 80% at 50% 0%, rgba(201, 162, 39, 0.14), transparent 62%),
    var(--ink-deep);
  color: var(--paper);
}

.page-about .about-rhythm__title {
  margin-top: 14px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-h1);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-about .about-ruler {
  position: relative;
  height: 26px;
  margin: clamp(22px, 3vw, 36px) 0 clamp(10px, 1.6vw, 18px);
  border-bottom: 1px solid rgba(201, 162, 39, 0.5);
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 162, 39, 0.55) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(233, 199, 101, 0.9) 0 1px, transparent 1px 112px);
  background-size: auto 10px, auto 18px;
  background-repeat: repeat-x, repeat-x;
  background-position: 0 0, 0 0;
}

.page-about .about-rhythm__list {
  border-top: 1px solid var(--about-hair-dark);
}

.page-about .about-rhythm__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--about-hair-dark);
}

.page-about .about-rhythm__key {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--t-small);
  letter-spacing: 0.1em;
  color: var(--gold-bright);
}

.page-about .about-rhythm__val {
  font-size: var(--t-body);
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.78);
}

.page-about .about-rhythm__cta {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 28px);
  align-items: center;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--about-hair-dark);
}

.page-about .about-rhythm__cta-text {
  max-width: 52ch;
  font-size: var(--t-body);
  line-height: 1.8;
  color: rgba(245, 239, 226, 0.8);
}

.page-about .about-rhythm__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-rhythm__cta-actions .btn--ghost {
  color: var(--paper);
  border-color: rgba(245, 239, 226, 0.4);
}

.page-about .about-rhythm__cta-actions .btn--ghost:hover,
.page-about .about-rhythm__cta-actions .btn--ghost:focus-visible {
  color: var(--gold-bright);
  border-color: var(--gold-bright);
}

/* ============ 响应式 ============ */

@media (min-width: 620px) {
  .page-about .about-coverage {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-about .about-audience__item {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: clamp(20px, 4vw, 52px);
    align-items: baseline;
  }

  .page-about .about-audience__item:hover {
    background: rgba(245, 239, 226, 0.03);
  }

  .page-about .about-rhythm__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: baseline;
  }

  .page-about .about-rhythm__cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 960px) {
  .page-about .about-path__body {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 44px);
  }

  .page-about .about-rail {
    display: block;
    position: relative;
  }

  .page-about .about-rail__line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 10px;
    width: 10px;
    border-left: 1px solid var(--about-hair);
    background: repeating-linear-gradient(
      180deg,
      rgba(201, 162, 39, 0.7) 0 1px,
      transparent 1px 16px
    );
  }

  .page-about .about-rail__mark {
    position: sticky;
    top: 120px;
    display: block;
    margin-left: 26px;
    padding-top: 4px;
    writing-mode: vertical-rl;
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: var(--t-meta);
    letter-spacing: 0.22em;
    color: var(--gold);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 64px);
  }

  .page-about .about-team__figure {
    margin-top: 56px;
  }

  .page-about .about-team__figure::before {
    content: "";
    position: absolute;
    top: -8px;
    right: -8px;
    width: 46px;
    height: 46px;
    border-top: 2px solid var(--gold);
    border-right: 2px solid var(--gold);
    pointer-events: none;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero__title {
    max-width: 20ch;
  }

  .page-about .about-stage {
    grid-template-columns: 56px minmax(0, 1fr);
  }
}
<<<END>>>