.page-about {
  --about-shadow: 4px 4px 0 rgba(8, 31, 24, .16);
  display: block;
  background: var(--paper);
  color: var(--ink-black);
  font-family: var(--font-body);
  padding-bottom: clamp(36px, 5vw, 80px);
  overflow-x: hidden;
}

.page-about .about-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(16px, 2.4vw, 32px) clamp(16px, 3.2vw, 44px) 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.2vw, 44px);
  padding-top: clamp(22px, 3.4vw, 48px);
  padding-bottom: clamp(28px, 4.2vw, 56px);
  border-bottom: 2px solid var(--ink-deep);
}

.page-about .about-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-about .about-hero__kicker::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--gold);
  flex: 0 0 auto;
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.2vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: .02em;
  color: var(--ink-green);
}

.page-about .about-hero__sub {
  display: block;
  margin-top: .36em;
  font-size: .4em;
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: .01em;
  color: var(--ink-black);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.86;
  color: var(--ink-black);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-about .about-hero__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

/* ---------- 通用区块 ---------- */
.page-about .about-block {
  padding: clamp(28px, 4.2vw, 58px) 0;
  border-bottom: 1px solid rgba(199, 163, 75, .42);
}

.page-about .about-block__head {
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

.page-about .about-block__tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ink-deep);
  background: var(--gold-light);
  border: 1px solid rgba(8, 31, 24, .22);
}

.page-about .about-block h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.3vw, 2.5rem);
  line-height: 1.24;
  letter-spacing: .02em;
  color: var(--ink-green);
}

.page-about .about-block p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.86;
  color: var(--ink-black);
}

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

.page-about .about-block p.about-block__lead {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.9vw, 1.28rem);
  line-height: 1.82;
  color: var(--ink-green);
}

/* ---------- 起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-about .about-origin__aside {
  border: 2px solid var(--ink-deep);
  border-top: 6px solid var(--gold);
  background: var(--paper-shadow);
  padding: 18px 18px 20px;
  box-shadow: var(--about-shadow);
}

.page-about .about-origin__aside p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.92;
  color: var(--ink-green);
}

/* ---------- 整理方法 ---------- */
.page-about .about-method__intro {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  align-items: center;
}

.page-about .about-method__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.page-about .method-grid {
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-about .method-card {
  background: var(--paper);
  border: 2px solid var(--ink-deep);
  padding: 16px 16px 18px;
  box-shadow: var(--about-shadow);
  transition: transform .25s ease;
}

.page-about .method-card:hover {
  transform: translate(-2px, -2px);
}

.page-about .method-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.06rem;
  letter-spacing: .02em;
  color: var(--ink-green);
}

.page-about .method-card h3::before {
  content: "";
  display: block;
  width: 26px;
  height: 3px;
  margin-bottom: 10px;
  background: var(--gold);
}

.page-about .method-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
}

.page-about .about-team__media {
  margin: 0;
  aspect-ratio: 10 / 7;
  overflow: hidden;
}

.page-about .team-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(16px, 2.4vw, 24px);
  background: rgba(8, 31, 24, .22);
  border: 2px solid var(--ink-deep);
}

.page-about .team-stat {
  background: var(--paper);
  padding: 15px 13px 17px;
  box-shadow: inset 3px 0 0 transparent;
  transition: background .25s ease, box-shadow .25s ease;
  outline: none;
}

.page-about .team-stat:hover,
.page-about .team-stat:focus-visible {
  background: #FBF6EC;
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-about .team-stat__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  line-height: 1.1;
  color: var(--ink-green);
}

.page-about .team-stat__note {
  display: block;
  margin-top: 8px;
  font-size: .82rem;
  line-height: 1.66;
  color: var(--mist);
}

/* ---------- 时间线 ---------- */
.page-about .tl-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 2.6vw, 26px);
}

.page-about .tl-jump a {
  padding: 6px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-green);
  background: var(--paper-shadow);
  border: 1px solid rgba(8, 31, 24, .28);
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}

.page-about .tl-jump a:hover,
.page-about .tl-jump a:focus-visible {
  background: var(--gold);
  color: var(--ink-deep);
}

.page-about .tl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-about .tl-item {
  position: relative;
  scroll-margin-top: 96px;
  padding: 16px 18px 18px;
  background: var(--paper);
  border: 2px solid var(--ink-deep);
  border-left: 6px solid var(--gold);
  box-shadow: var(--about-shadow);
}

.page-about .tl-item__year {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 12px 7px;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 1.6vw, 1.12rem);
  letter-spacing: .12em;
  color: var(--gold-light);
  background: var(--ink-green);
}

.page-about .tl-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.7vw, 1.3rem);
  line-height: 1.4;
  color: var(--ink-green);
}

.page-about .tl-item p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--ink-black);
}

/* ---------- 规模 ---------- */
.page-about .scale-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(18px, 2.6vw, 28px);
  background: rgba(199, 163, 75, .55);
  border: 2px solid var(--ink-deep);
  box-shadow: var(--about-shadow);
}

.page-about .scale-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-green);
}

.page-about .scale-cell__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-about .scale-cell__label {
  font-size: .85rem;
  line-height: 1.66;
  color: var(--gold-light);
}

/* ---------- 手账手感 ---------- */
.page-about .about-craft__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-about .about-craft__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(8, 31, 24, .18);
  border: 2px solid var(--ink-deep);
  align-self: start;
}

.page-about .about-craft__list li {
  background: var(--paper);
  padding: 14px 16px 16px;
  font-size: .93rem;
  line-height: 1.76;
  color: var(--ink-black);
}

.page-about .about-craft__list span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink-green);
}

/* ---------- 结尾呼唤 ---------- */
.page-about .about-cta {
  margin-top: clamp(28px, 4vw, 56px);
  padding: clamp(24px, 3.6vw, 44px);
  display: grid;
  gap: 22px;
  background: var(--ink-deep);
  border: 2px solid var(--gold);
  box-shadow: var(--about-shadow);
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-about .about-cta p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.86;
  color: var(--gold-light);
}

.page-about .about-cta__links {
  display: grid;
  gap: 10px;
}

/* ---------- 图片统一 ---------- */
.page-about .about-hero__media img,
.page-about .about-method__media img,
.page-about .about-team__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .scale-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .page-about .tl-item {
    display: grid;
    grid-template-columns: 124px minmax(0, 1fr);
    gap: clamp(16px, 2.4vw, 28px);
    align-items: start;
    padding: 20px 24px 22px;
  }

  .page-about .tl-item__year {
    margin-bottom: 0;
    text-align: center;
  }
}

@media (min-width: 860px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }

  .page-about .about-method__intro {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-about .about-craft__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-about .scale-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-about .about-hero__note {
    display: block;
    position: absolute;
    top: clamp(22px, 3.4vw, 48px);
    right: -8px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .26em;
    color: var(--mist);
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .method-card,
  .page-about .team-stat,
  .page-about .tl-jump a {
    transition: none;
  }

  .page-about .method-card:hover {
    transform: none;
  }
}