.page-about {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .about-crumb {
  padding-top: clamp(18px, 3vw, 28px);
  padding-bottom: clamp(8px, 2vw, 14px);
}

.page-about .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--paper-58);
}

.page-about .breadcrumb a {
  color: var(--mist-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gilt-line);
  padding-bottom: 2px;
}

.page-about .breadcrumb a:hover {
  color: var(--paper);
  border-bottom-color: var(--gilt);
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--paper-82);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-block: clamp(28px, 5vw, 60px) clamp(48px, 8vw, 96px);
  background:
    radial-gradient(circle at 88% 12%, rgba(200, 50, 43, 0.22), transparent 55%),
    radial-gradient(circle at 8% 88%, rgba(212, 166, 74, 0.14), transparent 50%),
    var(--ink);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gilt-line), transparent);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(32px, 6vw, 64px);
  align-items: end;
}

.page-about .about-hero__lead .eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  color: var(--gilt);
  letter-spacing: 0.18em;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-display);
  font-size: clamp(32px, 7.2vw, 72px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 15em;
}

.page-about .about-hero__intro {
  margin: 0 0 clamp(24px, 4vw, 36px);
  max-width: 42em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--paper-82);
}

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

.page-about .path-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  text-decoration: none;
  background: var(--ink-2);
  border-left: 3px solid var(--vermilion);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: background 260ms var(--ease), transform 260ms var(--ease);
}

.page-about .path-link:hover,
.page-about .path-link:focus-visible {
  background: var(--deep-red);
  transform: translateX(4px);
}

.page-about .path-link__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-gold);
}

.page-about .path-link__t {
  font-size: 15px;
  color: var(--paper);
}

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

.page-about .board-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 3vw, 26px);
  background: var(--ink-2);
}

.page-about .board-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  color: var(--gilt);
  letter-spacing: -0.02em;
}

.page-about .board-stat__label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--paper-58);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-section {
  padding-block: clamp(48px, 8vw, 96px);
}

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

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

.page-about .about-head {
  margin-bottom: clamp(28px, 5vw, 48px);
  max-width: 46em;
}

.page-about .about-head .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--vermilion);
}

.page-about .about-section--ink .about-head .eyebrow {
  color: var(--gilt);
}

.page-about .about-head h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-about .about-lead {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--paper-72);
}

.page-about .about-section--paper .about-lead {
  color: rgba(11, 27, 43, 0.72);
}

/* ---------- 品牌起点 ---------- */
.page-about .origin-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .origin-copy h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.26;
  letter-spacing: -0.01em;
}

.page-about .origin-copy .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gilt);
}

.page-about .origin-copy p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--paper-82);
}

.page-about .origin-note {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--ink-2);
  border-left: 3px solid var(--celadon);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-about .origin-note__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--celadon) !important;
}

.page-about .origin-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-72) !important;
}

.page-about .origin-figure {
  margin: 0;
}

.page-about .origin-figure img,
.page-about .tl-figure img,
.page-about .team-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--gilt-line);
}

.page-about .origin-figure figcaption,
.page-about .tl-figure figcaption,
.page-about .team-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--paper-58);
}

/* ---------- 坐标主张 ---------- */
.page-about .claim-grid {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}

.page-about .claim-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(22px, 3.4vw, 32px);
  background: #fffaf0;
  border: 1px solid rgba(11, 27, 43, 0.14);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-about .claim-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--vermilion);
}

.page-about .claim-card__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--vermilion);
}

.page-about .claim-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.35;
  color: var(--ink);
}

.page-about .claim-card p {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(11, 27, 43, 0.74);
}

/* ---------- 时间轴 ---------- */
.page-about .tl-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: clamp(22px, 4vw, 34px);
  scrollbar-width: thin;
}

.page-about .tl-nav__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--mist-gold);
  border: 1px solid var(--gilt-line);
  transition: background 220ms var(--ease), color 220ms var(--ease);
}

.page-about .tl-nav__link:hover,
.page-about .tl-nav__link:focus-visible {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: var(--paper);
}

.page-about .tl-figure {
  margin: 0 0 clamp(32px, 5vw, 52px);
}

.page-about .tl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .tl-list::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--gilt), transparent);
}

.page-about .tl-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 0 0 clamp(28px, 4.5vw, 46px) 26px;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 2px solid var(--gilt);
  transform: rotate(45deg);
}

.page-about .tl-year {
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gilt);
}

.page-about .tl-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.35;
  color: var(--paper);
}

.page-about .tl-body p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--paper-72);
  max-width: 44em;
}

.page-about .tl-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 !important;
}

.page-about .tl-fact {
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist-gold);
  border: 1px solid var(--gilt-line);
  background: rgba(212, 166, 74, 0.08);
}

.page-about .tl-more {
  margin: clamp(20px, 4vw, 34px) 0 0;
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 1px;
  background: rgba(11, 27, 43, 0.16);
  border: 1px solid rgba(11, 27, 43, 0.16);
  margin-bottom: clamp(28px, 5vw, 46px);
}

.page-about .team-stat {
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper);
}

.page-about .team-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 5.5vw, 48px);
  line-height: 1;
  color: var(--vermilion);
}

.page-about .team-stat__label {
  display: block;
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
}

.page-about .team-stat p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(11, 27, 43, 0.7);
}

.page-about .team-row {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .team-figure {
  margin: 0;
}

.page-about .team-figure figcaption {
  color: rgba(11, 27, 43, 0.58);
}

.page-about .team-copy h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.34;
  color: var(--ink);
}

.page-about .team-copy p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(11, 27, 43, 0.76);
}

/* ---------- 治理 ---------- */
.page-about .gov-grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-about .gov-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-about .gov-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: clamp(18px, 3vw, 26px);
  border-bottom: 1px solid var(--gilt-soft);
}

.page-about .gov-step__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--vermilion);
  padding-top: 3px;
}

.page-about .gov-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.4;
  color: var(--paper);
}

.page-about .gov-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-72);
}

.page-about .gov-aside {
  padding: clamp(22px, 3vw, 30px);
  background: var(--ink-2);
  border-top: 2px solid var(--gilt);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-about .gov-aside__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gilt);
}

.page-about .gov-aside__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .gov-aside__list li {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--paper-72);
  padding-left: 14px;
  position: relative;
}

.page-about .gov-aside__list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--celadon);
  transform: rotate(45deg);
}

.page-about .gov-aside__list strong {
  color: var(--mist-gold);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin-right: 4px;
}

/* ---------- 覆盖与合作 ---------- */
.page-about .cover-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .cover-map svg {
  display: block;
  width: 100%;
  height: auto;
  background: var(--ink);
  border: 1px solid rgba(11, 27, 43, 0.2);
}

.page-about .cover-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.page-about .cover-stat {
  padding: 18px;
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-about .cover-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--gilt);
}

.page-about .cover-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--paper-72);
}

.page-about .cover-copy > p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(11, 27, 43, 0.76);
}

.page-about .cover-tags {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .cover-tag {
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: rgba(94, 140, 122, 0.16);
  border: 1px solid rgba(94, 140, 122, 0.45);
}

/* ---------- 资质 ---------- */
.page-about .cred-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--gilt-soft);
  border: 1px solid var(--gilt-line);
}

.page-about .cred-item {
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-2);
}

.page-about .cred-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.4;
  color: var(--gilt);
}

.page-about .cred-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--paper-72);
}

/* ---------- 结尾 ---------- */
.page-about .about-cta {
  position: relative;
  padding-block: clamp(44px, 7vw, 82px);
  background:
    linear-gradient(120deg, var(--deep-red) 0%, var(--vermilion) 62%, var(--ember) 100%);
  color: var(--paper);
}

.page-about .about-cta__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}

.page-about .about-cta .eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist-gold);
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.24;
  color: var(--paper);
}

.page-about .about-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.86);
}

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

.page-about .about-cta__links .btn--ghost {
  color: var(--paper);
  border-color: rgba(247, 242, 232, 0.7);
}

.page-about .about-feedback {
  margin-top: clamp(28px, 4vw, 40px);
  padding-top: 20px;
  border-top: 1px solid rgba(247, 242, 232, 0.32);
}

.page-about .about-feedback p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(247, 242, 232, 0.88);
}

.page-about .about-feedback strong {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-about .about-hero__paths {
    grid-template-columns: 1fr;
  }

  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

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

  .page-about .tl-item {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 34px;
    padding-left: 34px;
  }

  .page-about .tl-year {
    position: sticky;
    top: 24px;
  }

  .page-about .team-row {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
  }

  .page-about .gov-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-about .cover-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .cred-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .path-link {
    transition: none;
  }

  .page-about .path-link:hover,
  .page-about .path-link:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>