/* ============ 品牌自述页 · page-about ============ */

.page-about {
  --about-radius: 16px;
}

/* ---- 首屏 ---- */
.page-about .about-hero {
  padding-top: 26px;
}

.page-about .about-hero__kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-hero h1 {
  margin: 0;
  max-width: 16em;
  font-size: clamp(30px, 8.2vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-about .about-hero__lead {
  margin-top: 18px;
  max-width: 660px;
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__fact {
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.2;
  color: var(--muted);
  background: rgba(120, 104, 190, .08);
  border: 1px solid var(--line);
  border-radius: var(--pill);
}

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

/* ---- 首屏图 ---- */
.page-about .about-banner {
  margin: 34px 0 0;
}

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

/* ---- 面板通用 ---- */
.page-about .about-panel {
  padding: 24px 18px 28px;
}

.page-about .about-panel .panel__title {
  margin: 12px 0 0;
  font-size: clamp(20px, 4.6vw, 28px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-about .panel__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .panel__lede + .panel__lede {
  margin-top: 22px;
}

.page-about .panel__lede a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- 纵向时间线 ---- */
.page-about .tl {
  position: relative;
  margin: 30px 0 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--violet) 60%, var(--line) 100%);
  opacity: .72;
}

.page-about .tl__item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .tl__node {
  position: absolute;
  left: -30px;
  top: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--panel);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 210, .1);
}

.page-about .tl__item--now .tl__node {
  border-style: dashed;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, .14);
}

.page-about .tl__year {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-about .tl__item--now .tl__year {
  color: var(--orange);
}

.page-about .tl__head {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .tl__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---- 团队 ---- */
.page-about .team-intro {
  display: grid;
  gap: 20px;
  margin-top: 4px;
}

.page-about .team-intro__fig {
  margin: 0;
}

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

.page-about .team {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-about .team__card {
  padding: 18px 16px 20px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
}

.page-about .team__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.02em;
}

.page-about .team__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .team__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---- 版本线 ---- */
.page-about .lines-fig {
  margin: 24px 0 0;
}

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

.page-about .lines {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-about .line {
  position: relative;
  overflow: hidden;
  padding: 20px 16px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background:
    linear-gradient(165deg, var(--card-tint, transparent) 0%, transparent 62%),
    var(--panel);
}

.page-about .line::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--card-accent, var(--cyan));
  opacity: .85;
}

.page-about .line--v5 {
  --card-tint: rgba(53, 230, 210, .12);
  --card-accent: #35E6D2;
}

.page-about .line--v6 {
  --card-tint: rgba(164, 107, 255, .16);
  --card-accent: #A46BFF;
}

.page-about .line--v7 {
  --card-tint: rgba(255, 138, 61, .13);
  --card-accent: #FF8A3D;
}

.page-about .line__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink);
  border: 1px solid var(--card-accent, var(--cyan));
  border-radius: var(--pill);
}

.page-about .line__name {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .line__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .line__for {
  margin: 14px 0 0;
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px dashed var(--line);
}

/* ---- 分类整理 ---- */
.page-about .cats {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-about .cats__item {
  padding-top: 14px;
  border-top: 2px solid var(--line);
}

.page-about .cats__key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-about .cats__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .cats__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---- 节奏带 ---- */
.page-about .cadence {
  margin-top: 26px;
}

.page-about .cadence strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-about .cadence .band__item {
  min-width: 190px;
}

.page-about .cadence .band__item span {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .cadence__more {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .cadence__more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- 联系 ---- */
.page-about .about-cta {
  background:
    radial-gradient(120% 92% at 100% 0%, rgba(255, 138, 61, .14) 0%, transparent 62%),
    var(--panel);
}

.page-about .about-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---- 平板 ---- */
@media (min-width: 700px) {
  .page-about .about-panel {
    padding: 34px 30px 38px;
  }

  .page-about .team {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .cats {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-about .lines {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .team-intro {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 30px;
    margin-top: 6px;
  }

  .page-about .team-intro .panel__lede {
    margin-top: 0;
  }
}

/* ---- 桌面 ---- */
@media (min-width: 1000px) {
  .page-about .about-hero {
    padding-top: 38px;
  }

  .page-about .about-panel {
    padding: 40px 44px 44px;
  }

  .page-about .tl {
    margin-top: 34px;
    padding-left: 36px;
  }

  .page-about .tl::before {
    left: 8px;
  }

  .page-about .tl__node {
    left: -36px;
    top: 4px;
  }

  .page-about .tl__item {
    padding-bottom: 32px;
  }

  .page-about .about-banner {
    margin-top: 42px;
  }
}

/* ---- 减少动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-about .tl__node {
    box-shadow: none;
  }
}
</PAGE_CSS>>>