/* ===== 品牌故事页 ===== */
.page-about .breadcrumb {
  padding-block: 1.25rem 0.25rem;
}

/* 封面 */
.page-about .about-cover {
  padding-block: 1.25rem 2rem;
}

.page-about .about-cover h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.8vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0.6rem 0 1rem;
  max-width: 20ch;
}

.page-about .about-cover .lede {
  max-width: 58ch;
  color: var(--body-text);
  font-size: 1rem;
  line-height: 1.8;
}

.page-about .about-cover__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.25rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-about .about-cover-media {
  margin: 0;
  padding-block: 0.5rem 1.5rem;
}

.page-about .about-cover-media .figure__caption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

/* 起点 */
.page-about .about-origin {
  padding-block: 3rem 2rem;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-origin__text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.18;
  color: var(--paper);
  margin: 0.5rem 0 1rem;
}

.page-about .about-origin__text p {
  color: var(--body-text);
  line-height: 1.85;
  margin-block: 0.75rem;
  max-width: 60ch;
}

.page-about .about-origin__media {
  margin: 0;
}

.page-about .about-origin__media .figure__caption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
}

/* 构建 */
.page-about .about-build {
  margin-top: 1.5rem;
  padding-block: 3rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 17, 14, 0.55), rgba(7, 11, 9, 0.2));
}

.page-about .about-build__grid {
  display: grid;
  gap: 1px;
  margin-top: 1.5rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-build__item {
  position: relative;
  padding: 1.6rem 1.4rem;
  background: var(--ink-2);
}

.page-about .about-build__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 0;
  background: var(--cyan);
  transition: height 0.5s var(--ease-out);
}

.page-about .about-build__item:hover::before {
  height: 100%;
}

.page-about .about-build__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 0.85rem;
}

.page-about .about-build__item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.32;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0 0 0.6rem;
}

.page-about .about-build__item p {
  margin: 0;
  color: var(--body-text);
  font-size: 0.9rem;
  line-height: 1.75;
}

/* 理念 */
.page-about .about-values {
  padding-block: 3rem;
}

.page-about .about-values__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-values__media {
  margin: 0;
  max-width: 280px;
}

.page-about .about-values__text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.18;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 0.5rem 0 1rem;
}

.page-about .about-values__text p {
  margin-block: 0.75rem;
  color: var(--body-text);
  line-height: 1.85;
  max-width: 56ch;
}

/* CTA */
.page-about .about-cta {
  padding-block: 1rem 4rem;
}

.page-about .about-cta__box {
  position: relative;
  padding: 2rem 1.5rem;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(46, 240, 207, 0.07), rgba(242, 178, 60, 0.05) 60%, rgba(207, 81, 64, 0.04));
  overflow: hidden;
}

.page-about .about-cta__box::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--tier-1), var(--tier-5), var(--tier-9));
}

.page-about .about-cta__box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.6vw, 1.6rem);
  line-height: 1.25;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 0 0 0.75rem;
}

.page-about .about-cta__box p {
  margin: 0 0 1.5rem;
  color: var(--body-text);
  line-height: 1.8;
  max-width: 58ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* 窄屏微调 */
@media (max-width: 360px) {
  .page-about .about-cover__meta {
    gap: 1rem;
  }
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-about .about-origin__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
  }

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

  .page-about .about-values__grid {
    grid-template-columns: 260px 1fr;
    gap: 3rem;
  }

  .page-about .about-cta__box {
    padding: 2.75rem 2.5rem;
  }
}

/* 桌面 */
@media (min-width: 1040px) {
  .page-about .about-cover {
    padding-block: 2rem 2.5rem;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
  }

  .page-about .about-build__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-values__grid {
    grid-template-columns: 300px 1fr;
    gap: 4rem;
  }
}
</main>