.page-about {
  --about-body: rgba(244, 237, 221, 0.82);
  --about-hair: rgba(124, 154, 144, 0.34);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 54px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -6%;
  bottom: 8%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(227, 169, 78, 0.16), transparent 68%);
  pointer-events: none;
}

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

.page-about .about-hero__idx {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.2vw, 88px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .about-hero__title span {
  display: block;
  color: var(--amber);
}

.page-about .about-lede {
  max-width: 62ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-body);
}

.page-about .about-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin-top: clamp(28px, 4vw, 42px);
  background: var(--about-hair);
  border: var(--bd) solid var(--moss);
}

.page-about .about-figure {
  background: var(--ink-green);
  padding: 18px 16px 20px;
}

.page-about .about-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-about .about-figure__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--sage);
}

/* ---------- 章节通用 ---------- */
.page-about .about-section {
  padding: clamp(44px, 7vw, 78px) 0 0;
}

.page-about .about-intro {
  max-width: 66ch;
  margin: 22px 0 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-body);
}

/* ---------- 01 长文 + 引述 ---------- */
.page-about .about-cols {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-about .about-prose p {
  margin: 0 0 1.1em;
  font-size: 16.5px;
  line-height: 1.88;
  color: var(--about-body);
}

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

.page-about .about-quote {
  align-self: start;
  padding: 22px 22px 24px;
  background: var(--paper);
  color: var(--ink);
  border-left: 4px solid var(--saffron);
  box-shadow: var(--shadow-hard);
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.7;
}

.page-about .about-quote__sign {
  display: block;
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--saffron);
}

/* ---------- 02 入口清单 ---------- */
.page-about .entry-layout {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-about .entry-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--bd) solid var(--moss);
}

.page-about .entry-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px 4px 16px 0;
  border-bottom: 1px dashed var(--about-hair);
  transition: background-color 0.22s var(--ease);
}

.page-about .entry-item:hover {
  background: rgba(227, 169, 78, 0.07);
}

.page-about .entry-item__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
  transition: color 0.22s var(--ease);
}

.page-about .entry-item:hover .entry-item__no {
  color: var(--amber);
}

.page-about .entry-item__name {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--cream);
  transition: color 0.22s var(--ease);
}

.page-about .entry-item:hover .entry-item__name {
  color: var(--amber);
}

.page-about .entry-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-body);
}

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

/* ---------- 03 演进刻线 ---------- */
.page-about .ruler {
  display: grid;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ruler__item {
  position: relative;
  padding: 0 0 22px 26px;
}

.page-about .ruler__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 10px;
  height: 10px;
  box-sizing: border-box;
  border: var(--bd) solid var(--amber);
  border-radius: 50%;
  background: var(--ink-green);
  transition: background-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-about .ruler__item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 24px;
  bottom: 0;
  width: 2px;
  background: var(--about-hair);
}

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

.page-about .ruler__item:last-child::after {
  display: none;
}

.page-about .ruler__item:hover::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(227, 169, 78, 0.18);
}

.page-about .ruler__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-about .ruler__title {
  margin: 4px 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
  color: var(--cream);
}

.page-about .ruler__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--sage);
}

.page-about .ruler-figure {
  margin: 34px 0 0;
}

/* ---------- 04 团队 ---------- */
.page-about .crew-grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-about .crew-card {
  padding: 22px 20px 24px;
  background: var(--table-green);
  border: var(--bd) solid var(--moss);
  border-left: 6px solid var(--amber);
  box-shadow: var(--shadow-hard);
  transition: transform 0.25s var(--ease), border-left-color 0.25s var(--ease);
}

.page-about .crew-card:hover {
  transform: translate(-2px, -2px);
  border-left-color: var(--saffron);
}

.page-about .crew-card__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-about .crew-card__name {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  color: var(--amber-soft);
}

.page-about .crew-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body);
}

/* ---------- 05 内容协作 ---------- */
.page-about .partner-grid {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-about .partner-text > p {
  margin: 0 0 1.1em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-body);
}

.page-about .partner-list {
  margin: 0 0 1.1em;
  padding: 0;
  list-style: none;
}

.page-about .partner-list li {
  position: relative;
  padding: 10px 0 10px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body);
  border-bottom: 1px dashed var(--about-hair);
}

.page-about .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--prayer-blue);
}

.page-about .partner-list strong {
  color: var(--cream);
  font-weight: 700;
  margin-right: 6px;
}

.page-about .partner-note {
  margin: 0;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--amber-soft);
  border-left: 3px solid var(--prayer-blue);
  background: rgba(59, 127, 168, 0.1);
}

.page-about .partner-grid .figure {
  margin: 0;
}

/* ---------- 结尾引导 ---------- */
.page-about .about-cta {
  margin-top: clamp(48px, 7vw, 84px);
  padding: clamp(34px, 5vw, 56px) 0;
  background: var(--table-green);
  border-top: var(--bd) solid var(--moss);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 26px;
}

.page-about .about-cta__idx {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-about .about-cta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.25;
  color: var(--cream);
}

.page-about .about-cta__text > p {
  max-width: 64ch;
  margin: 0 0 1em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--about-body);
}

.page-about .about-cta__note {
  font-size: 14px;
}

.page-about .about-cta__note a {
  color: var(--prayer-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-cta__note a:hover {
  color: var(--amber);
}

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

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

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

  .page-about .entry-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }
}

@media (min-width: 820px) {
  .page-about .crew-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .partner-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 38px;
    align-items: start;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }

  .page-about .about-cta__links {
    justify-content: flex-end;
  }
}

@media (min-width: 980px) {
  .page-about .about-cols {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .entry-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-about .ruler {
    grid-template-columns: repeat(9, minmax(0, 1fr));
    margin-top: 38px;
    border-top: var(--bd) solid var(--moss);
  }

  .page-about .ruler__item {
    padding: 26px 12px 0 0;
    border-right: 1px dashed var(--about-hair);
  }

  .page-about .ruler__item:last-child {
    border-right: 0;
  }

  .page-about .ruler__item::before {
    top: -7px;
    left: 0;
  }

  .page-about .ruler__item::after {
    display: none;
  }

  .page-about .ruler__title {
    font-size: 15px;
  }

  .page-about .ruler__text {
    font-size: 12px;
    line-height: 1.6;
  }
}

@media (min-width: 1240px) {
  .page-about .about-hero::before {
    right: 4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .entry-item,
  .page-about .crew-card,
  .page-about .ruler__item::before {
    transition-duration: 0.01ms;
  }

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