/* ===== 品牌文化 /culture/ 页面专属样式 ===== */

.page-about {
  --about-rule: #C7D3DE;
  --about-ink-soft: #44576B;
  display: block;
}

/* ---------- 首屏海报带 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  padding: calc(var(--header-h) + 48px) 0 64px;
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(127, 240, 226, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(127, 240, 226, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  width: 58%;
  background: linear-gradient(155deg, rgba(20, 224, 200, 0.16), rgba(59, 42, 107, 0.62));
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__crumb {
  margin-bottom: 32px;
}

.page-about .about-hero__crumb a,
.page-about .about-hero__crumb span {
  color: var(--mist);
}

.page-about .about-hero__eyebrow {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  max-width: 16ch;
  text-shadow: 0 2px 0 rgba(6, 26, 51, 0.35);
}

.page-about .about-hero__lede {
  max-width: 58ch;
  margin: 0 0 34px;
  color: rgba(245, 248, 251, 0.84);
}

.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__tags li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 7px 12px;
  border: 1px solid rgba(127, 240, 226, 0.34);
  color: var(--mist);
  background: rgba(6, 26, 51, 0.35);
}

/* ---------- 正文底色 ---------- */

.page-about .about-main {
  background: var(--paper);
  color: var(--deep);
}

.page-about .about-section {
  padding: 56px 0;
}

/* ---------- 章节栅格：窄栏编号 + 正文 ---------- */

.page-about .about-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-about .about-body {
  min-width: 0;
}

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

.page-about .about-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--deep);
}

.page-about .about-num::before {
  content: "";
  flex: none;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

.page-about .about-num::after {
  content: "";
  flex: 1;
  min-width: 16px;
  height: 1px;
  background: var(--cyan);
}

.page-about .about-lead {
  margin-top: 0;
  margin-bottom: 26px;
  color: var(--about-ink-soft);
}

.page-about .about-linkline {
  margin-top: 26px;
}

.page-about .about-linkline a {
  color: #0B7A6E;
  font-weight: 600;
  border-bottom: 1px solid rgba(20, 224, 200, 0.7);
}

/* ---------- 双栏图文 ---------- */

.page-about .about-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-about .about-cols__text > p:first-child {
  margin-top: 0;
}

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

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

.page-about .about-cols__media .figure__media {
  border: 1px solid var(--about-rule);
  background: linear-gradient(140deg, rgba(14, 42, 77, 0.9), rgba(59, 42, 107, 0.75));
}

.page-about .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--about-ink-soft);
}

/* ---------- 版本时间线 ---------- */

.page-about .timeline {
  position: relative;
  margin: 32px 0 0;
  padding: 0 0 0 28px;
  list-style: none;
  display: grid;
  gap: 32px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), rgba(20, 224, 200, 0.12));
}

.page-about .timeline__item {
  position: relative;
  min-width: 0;
}

.page-about .timeline__dot {
  position: absolute;
  left: -28px;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--orange);
  background: var(--paper);
}

.page-about .timeline__ver {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #0B7A6E;
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--deep);
}

.page-about .timeline__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-ink-soft);
}

.page-about .about-timeline-figure {
  margin-top: 40px;
}

.page-about .about-timeline-figure .figure__media {
  border: 1px solid var(--about-rule);
  background: linear-gradient(140deg, rgba(6, 26, 51, 0.95), rgba(20, 224, 200, 0.18));
}

/* ---------- 团队构成 ---------- */

.page-about .team-bar {
  display: flex;
  height: 22px;
  margin: 30px 0 22px;
  border: 1px solid var(--about-rule);
  background: #FFFFFF;
}

.page-about .team-bar__seg {
  height: 100%;
  min-width: 4px;
}

.page-about .team-bar__seg--a { background: #14E0C8; }
.page-about .team-bar__seg--b { background: #7FF0E2; }
.page-about .team-bar__seg--c { background: #3B2A6B; }
.page-about .team-bar__seg--d { background: #7A1F3D; }

.page-about .team-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px 20px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-about .team-legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.page-about .team-legend__dot {
  flex: none;
  width: 10px;
  height: 10px;
}

.page-about .team-legend__dot--a { background: #14E0C8; }
.page-about .team-legend__dot--b { background: #7FF0E2; }
.page-about .team-legend__dot--c { background: #3B2A6B; }
.page-about .team-legend__dot--d { background: #7A1F3D; }

.page-about .team-legend__name {
  color: var(--deep);
  font-weight: 600;
}

.page-about .team-legend__val {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--about-ink-soft);
}

/* ---------- 数据来源列表 ---------- */

.page-about .source-list {
  margin: 0;
  padding: 0;
}

.page-about .source-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .source-list__row:last-child {
  border-bottom: 1px solid var(--about-rule);
}

.page-about .source-list__row dt {
  font-weight: 700;
  font-size: 16px;
  color: var(--deep);
}

.page-about .source-list__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-ink-soft);
}

/* ---------- 靛紫数据带 ---------- */

.page-about .about-band {
  position: relative;
  overflow: hidden;
  background: var(--indigo);
  color: var(--paper);
  padding: 52px 0;
}

.page-about .about-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(127, 240, 226, 0.22) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .about-band__title {
  position: relative;
  margin: 0 0 30px;
  color: var(--cyan);
}

.page-about .band-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .band-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .band-label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: rgba(245, 248, 251, 0.74);
}

/* ---------- 覆盖与合作 ---------- */

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

.page-about .about-reach-figure .figure__media {
  border: 1px solid var(--about-rule);
  background: linear-gradient(120deg, rgba(6, 26, 51, 0.95), rgba(20, 224, 200, 0.22));
}

.page-about .about-cols--reverse .about-note {
  border-left: 2px solid var(--wine);
  padding: 4px 0 4px 20px;
  background: rgba(122, 31, 61, 0.05);
}

.page-about .about-note__key {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--wine);
}

.page-about .about-note__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-ink-soft);
}

.page-about .about-cols--reverse .about-cols__text a {
  color: #0B7A6E;
  font-weight: 600;
  border-bottom: 1px solid rgba(20, 224, 200, 0.7);
}

/* ---------- 荣誉列表 ---------- */

.page-about .honor-list {
  margin: 26px 0 28px;
  padding: 0;
  list-style: none;
}

.page-about .honor-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .honor-list li:last-child {
  border-bottom: 1px solid var(--about-rule);
}

.page-about .honor-list__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--wine);
  padding-top: 3px;
}

.page-about .honor-list__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--deep);
}

.page-about .honor-list__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--about-ink-soft);
}

/* ---------- 结尾导航 ---------- */

.page-about .about-next {
  background: var(--deep);
  color: var(--paper);
  padding: 56px 0 72px;
}

.page-about .about-next__title {
  color: var(--paper);
  margin: 0 0 26px;
}

.page-about .about-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid rgba(127, 240, 226, 0.22);
}

.page-about .about-next__list li:last-child {
  border-bottom: 1px solid rgba(127, 240, 226, 0.22);
}

.page-about .about-next__list a {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
}

.page-about .about-next__list a:hover,
.page-about .about-next__list a:focus-visible {
  color: var(--orange);
}

.page-about .about-next__list span {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 248, 251, 0.72);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: calc(var(--header-h) + 72px) 0 88px;
  }

  .page-about .about-section {
    padding: 84px 0;
  }

  .page-about .about-row {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 44px;
  }

  .page-about .about-rail {
    display: block;
    padding-top: 6px;
  }

  .page-about .about-body {
    border-top: 1px solid var(--about-rule);
    padding-top: 30px;
  }

  .page-about .band-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-about .source-list__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 8px 28px;
    align-items: baseline;
    padding: 20px 0;
  }

  .page-about .about-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-about .about-next__list li:nth-child(odd) {
    border-top: 1px solid rgba(127, 240, 226, 0.22);
  }

  .page-about .about-next__list li:nth-child(2) {
    border-top: 1px solid rgba(127, 240, 226, 0.22);
  }
}

@media (min-width: 1040px) {
  .page-about .about-cols {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: 0 52px;
  }

  .page-about .about-cols--reverse {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 0 52px;
  }

  .page-about .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
    padding: 0;
  }

  .page-about .timeline::before {
    left: 0;
    right: 0;
    top: 0;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(to right, var(--cyan), rgba(20, 224, 200, 0.12));
  }

  .page-about .timeline__item {
    padding-top: 34px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}
</@@PAGE_CSS>>>