/* ===== 品牌介绍页 page-about ===== */
.page-about {
  --about-gap: clamp(56px, 9vw, 118px);
  --about-body: clamp(16px, 0.5vw + 14.4px, 17px);
  position: relative;
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-about .breadcrumb {
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

/* ---- 首屏 ---- */
.page-about .about-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 18px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 9vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(26px, 4vw, 44px);
  color: var(--paper);
  max-width: 16ch;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .about-hero__lead {
  font-size: var(--about-body);
  line-height: 1.9;
  color: var(--paper);
  margin: 0;
  max-width: 62ch;
}

.page-about .about-hero__lead strong {
  color: var(--neon);
  font-weight: 600;
}

.page-about .about-stats {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid var(--line);
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-stats__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1;
  color: var(--neon);
}

.page-about .about-stats__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .about-hero__figure {
  margin: clamp(30px, 5vw, 56px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---- 章节骨架 ---- */
.page-about .about-chapter {
  margin-top: var(--about-gap);
}

.page-about .about-chapter__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-about .about-chapter__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--neon);
  flex: none;
  margin: 0;
}

.page-about .about-chapter__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(24px, 4.8vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
  max-width: 26ch;
}

.page-about .about-chapter__body {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
}

.page-about .about-prose p {
  font-size: var(--about-body);
  line-height: 1.9;
  color: var(--paper);
  margin: 0 0 1.1em;
  max-width: 66ch;
}

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

.page-about .about-prose strong {
  color: var(--neon);
  font-weight: 600;
}

.page-about .about-note {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--neon);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-note b {
  color: var(--glow);
  font-weight: 600;
}

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---- 三级归档路径 ---- */
.page-about .about-path {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-about .about-path__node {
  position: relative;
  padding: 18px 0 18px 34px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-path__node:last-child {
  border-bottom: 0;
}

.page-about .about-path__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--neon);
  background: var(--ink);
}

.page-about .about-path__node::after {
  content: "";
  position: absolute;
  left: 5.5px;
  top: 38px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

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

.page-about .about-path__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
  margin-bottom: 6px;
}

.page-about .about-path__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-path__desc {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---- 档案字段 ---- */
.page-about .about-fields {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-fields__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-fields__name {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--glow);
}

.page-about .about-fields__desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---- 赛程与费用同视图 ---- */
.page-about .about-view {
  margin-top: clamp(26px, 3.6vw, 40px);
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-view__col {
  background: var(--ink-2);
  padding: clamp(20px, 3vw, 30px);
}

.page-about .about-view__col--fee {
  background: var(--glass);
}

.page-about .about-view__tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 18px;
}

.page-about .about-view__col--fee .about-view__tag {
  color: var(--amber);
}

.page-about .about-view__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-view__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(168, 189, 180, 0.22);
  font-size: 15px;
  line-height: 1.6;
}

.page-about .about-view__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-view__k {
  color: var(--mist);
  flex: none;
}

.page-about .about-view__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13.5px;
  color: var(--paper);
  text-align: right;
}

.page-about .about-view__col--fee .about-view__v {
  color: var(--amber);
}

/* ---- 维护团队 ---- */
.page-about .about-teams {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-teams__cell {
  background: var(--ink-2);
  padding: clamp(20px, 3vw, 30px);
}

.page-about .about-teams__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-about .about-teams__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-cadence {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass-soft);
}

.page-about .about-cadence__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-cadence__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1;
  color: var(--neon);
  flex: none;
}

.page-about .about-cadence__label {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---- 宽幅视觉带 ---- */
.page-about .about-band {
  position: relative;
  margin-top: var(--about-gap);
  min-height: clamp(240px, 36vw, 420px);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: var(--ink-2);
}

.page-about .about-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.page-about .about-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(4, 20, 15, 0.12) 0%, rgba(4, 20, 15, 0.94) 82%);
}

.page-about .about-band__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: clamp(22px, 4.4vw, 56px);
}

.page-about .about-band__quote {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3.2vw, 32px);
  line-height: 1.55;
  color: var(--glow);
  margin: 0;
  max-width: 34ch;
}

/* ---- 历程分段 ---- */
.page-about .about-tabs {
  margin-top: clamp(4px, 1vw, 10px);
}

.page-about .about-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-about .about-tabs__panel {
  margin-top: clamp(20px, 3vw, 30px);
  padding-left: clamp(16px, 2.6vw, 28px);
  border-left: 2px solid var(--neon);
}

.page-about .about-tabs__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 12px;
  max-width: 30ch;
}

.page-about .about-tabs__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

/* ---- 坚持与下一步 ---- */
.page-about .about-values {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(24px, 3.4vw, 34px);
}

.page-about .about-values__item {
  position: relative;
  padding-top: 20px;
}

.page-about .about-values__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--neon);
}

.page-about .about-values__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.005em;
  color: var(--glow);
  margin: 0 0 10px;
}

.page-about .about-values__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-next {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- 断点 ---- */
@media (min-width: 760px) {
  .page-about .about-fields__item {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-about .about-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    align-items: start;
  }
}

@media (min-width: 800px) {
  .page-about .about-view {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-teams {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: end;
  }

  .page-about .about-values {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(28px, 4vw, 48px);
  }
}

@media (min-width: 900px) {
  .page-about .about-chapter__body--split {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 0.75fr);
    gap: clamp(36px, 6vw, 88px);
    align-items: start;
  }

  .page-about .about-path {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    position: relative;
    padding-top: 30px;
  }

  .page-about .about-path::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--line);
  }

  .page-about .about-path__node {
    padding: 0 32px 0 0;
    border-bottom: 0;
  }

  .page-about .about-path__node::before {
    left: 0;
    top: 0;
    transform: translateY(-50%);
  }

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