/* ===== 品牌故事页 ===== */
.page-about {
  --about-col: 96px;
  --about-gap: 40px;
  display: block;
}

.page-about .breadcrumb {
  margin-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏框景 ---------- */
.page-about .about-hero {
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 4.6vw, 56px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 20px;
}

.page-about .about-hero__frame {
  position: relative;
  padding: 48px clamp(18px, 3.6vw, 44px) clamp(24px, 3.6vw, 40px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(38, 52, 74, 0.32) 47px 48px),
    linear-gradient(160deg, rgba(18, 27, 46, 0.94), rgba(7, 12, 23, 0.82));
  box-shadow: 0 26px 60px rgba(5, 8, 15, 0.6);
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: clamp(56px, 12vw, 96px);
  background: linear-gradient(180deg, var(--c-accent), rgba(255, 106, 43, 0));
}

.page-about .about-hero__tag,
.page-about .about-hero__ver {
  position: absolute;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--c-muted);
}

.page-about .about-hero__tag {
  left: clamp(18px, 3.6vw, 44px);
}

.page-about .about-hero__ver {
  right: clamp(18px, 3.6vw, 44px);
  color: var(--c-accent);
}

.page-about .about-hero__frame h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 5.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-line-soft);
  overflow: hidden;
}

.page-about .about-hero__stat {
  min-width: 0;
  padding: 15px 14px 17px;
  background: var(--c-panel);
}

.page-about .about-hero__stat dt {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-muted);
}

.page-about .about-hero__stat dd {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: 25px;
  line-height: 1;
  color: var(--c-ink);
}

/* ---------- 时间轴容器 ---------- */
.page-about .about-band {
  padding: clamp(30px, 5vw, 58px) 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-about .about-band--versions {
  position: relative;
  overflow: hidden;
}

.page-about .about-versions__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  filter: grayscale(1) contrast(1.15);
  pointer-events: none;
}

.page-about .about-band--versions .about-track {
  position: relative;
  z-index: 1;
}

.page-about .about-track {
  display: grid;
  gap: clamp(26px, 3.6vw, 42px);
}

.page-about .about-row {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-about .about-row--zones {
  row-gap: 22px;
}

/* ---------- 左侧刻度 ---------- */
.page-about .about-mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
}

.page-about .about-mark__ver {
  font-size: 17px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--c-accent);
}

.page-about .about-mark__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

/* ---------- 右侧正文 ---------- */
.page-about .about-body {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-about .about-body h2 {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--c-ink);
}

.page-about .about-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--c-ink);
}

.page-about .about-body p {
  margin: 0;
  max-width: 70ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

/* ---------- 起点章节的图文分栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: 20px;
}

.page-about .about-split__text {
  display: grid;
  gap: 14px;
}

.page-about .about-split__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(5, 8, 15, 0.5);
}

.page-about .about-split__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.78);
}

/* ---------- 资料区三色块 ---------- */
.page-about .about-zones {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-about .about-zone {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 18px 22px;
  border: 1px solid var(--c-line);
  border-top-width: 2px;
  border-radius: var(--radius);
  background: var(--c-panel);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-zone:hover,
.page-about .about-zone:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 18px 34px rgba(5, 8, 15, 0.52);
}

.page-about .about-zone--schedule {
  border-top-color: var(--c-accent);
}

.page-about .about-zone--data {
  border-top-color: var(--c-data);
}

.page-about .about-zone--inj {
  border-top-color: var(--c-grass-ink);
}

.page-about .about-zone h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.page-about .about-zone p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-zone ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-about .about-zone li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--c-muted);
}

.page-about .about-zone li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background: var(--c-line);
}

.page-about .about-zone--schedule li::before {
  background: var(--c-accent);
}

.page-about .about-zone--data li::before {
  background: var(--c-data);
}

.page-about .about-zone--inj li::before {
  background: var(--c-grass-ink);
}

.page-about .about-zones__figure {
  margin: 0;
  max-height: 240px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-zones__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 240px;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.72);
}

/* ---------- 团队全幅段 ---------- */
.page-about .about-team {
  padding: clamp(38px, 6.5vw, 82px) 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(120% 130% at 12% 0%, rgba(38, 224, 198, 0.07), transparent 58%),
    linear-gradient(180deg, var(--c-deep), var(--c-bg));
}

.page-about .about-team__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-team__intro {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-about .about-team__intro h2 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.18;
  color: var(--c-ink);
}

.page-about .about-team__intro p {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-about .about-team__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-line-soft);
  overflow: hidden;
}

.page-about .about-team__stats li {
  display: grid;
  gap: 7px;
  align-content: start;
  padding: 18px 16px 20px;
  background: var(--c-panel);
  min-width: 0;
}

.page-about .about-team__stats .num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--c-data);
}

.page-about .about-team__stats li > span:last-child {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

/* ---------- 覆盖范围 ---------- */
.page-about .about-cover {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-about .about-cover__map {
  position: relative;
  aspect-ratio: 16 / 7;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(90deg, rgba(38, 52, 74, 0.5) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(38, 52, 74, 0.5) 0 1px, transparent 1px 48px),
    radial-gradient(110% 90% at 22% 24%, rgba(38, 224, 198, 0.12), transparent 62%),
    radial-gradient(90% 80% at 78% 72%, rgba(255, 106, 43, 0.12), transparent 62%),
    var(--c-deep);
  overflow: hidden;
}

.page-about .about-cover__map span {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-data);
  box-shadow: 0 0 0 4px rgba(38, 224, 198, 0.14);
}

.page-about .about-cover__map span:nth-child(1) { left: 11%; top: 26%; }
.page-about .about-cover__map span:nth-child(2) { left: 24%; top: 58%; background: var(--c-accent); box-shadow: 0 0 0 4px var(--c-accent-soft); }
.page-about .about-cover__map span:nth-child(3) { left: 38%; top: 34%; }
.page-about .about-cover__map span:nth-child(4) { left: 47%; top: 70%; }
.page-about .about-cover__map span:nth-child(5) { left: 58%; top: 22%; background: var(--c-grass-ink); box-shadow: 0 0 0 4px rgba(76, 127, 99, 0.32); }
.page-about .about-cover__map span:nth-child(6) { left: 66%; top: 52%; }
.page-about .about-cover__map span:nth-child(7) { left: 74%; top: 30%; }
.page-about .about-cover__map span:nth-child(8) { left: 82%; top: 66%; background: var(--c-amber); box-shadow: 0 0 0 4px rgba(240, 180, 65, 0.28); }
.page-about .about-cover__map span:nth-child(9) { left: 90%; top: 40%; }
.page-about .about-cover__map span:nth-child(10) { left: 32%; top: 80%; }

.page-about .about-cover__legend {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-line-soft);
  overflow: hidden;
}

.page-about .about-cover__legend li {
  display: grid;
  grid-template-columns: minmax(64px, auto) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--c-panel);
  min-width: 0;
}

.page-about .about-cover__legend .num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--c-data);
  white-space: nowrap;
}

.page-about .about-cover__legend li > span:last-child {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 联系 ---------- */
.page-about .about-contact {
  display: grid;
  gap: 1px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-line-soft);
  overflow: hidden;
}

.page-about .about-contact li {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: var(--c-panel);
  min-width: 0;
}

.page-about .about-contact__key {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-about .about-contact__val {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-about .about-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-about .about-row {
    grid-template-columns: var(--about-col) minmax(0, 1fr);
    gap: var(--about-gap);
  }

  .page-about .about-mark {
    flex-direction: column;
    align-items: flex-end;
    gap: 7px;
    text-align: right;
  }

  .page-about .about-mark__ver {
    font-size: 22px;
  }

  .page-about .about-row--zones > * {
    grid-column: 2;
  }

  .page-about .about-cover {
    grid-column: 2;
  }

  .page-about .about-zones__figure {
    max-height: 260px;
  }

  .page-about .about-zones__figure img {
    max-height: 260px;
  }
}

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

@media (min-width: 1040px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: 26px;
    align-items: start;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.84fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-cover {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 26px;
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-about .about-hero__stat dd {
    font-size: 22px;
  }

  .page-about .about-team__stats .num {
    font-size: 22px;
  }
}

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

  .page-about .about-zone:hover,
  .page-about .about-zone:focus-within {
    transform: none;
  }
}