/* ===== 品牌主张 · /values/ ===== */

.page-about {
  --about-ink-coral: #B33A1E;
  --about-ink-soft: rgba(42, 27, 18, 0.78);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 4vw, 3.5rem) 0 clamp(2.75rem, 6vw, 5rem);
  background:
    radial-gradient(120% 85% at 88% 4%, rgba(63, 240, 216, 0.16), transparent 62%),
    radial-gradient(90% 70% at 8% 96%, rgba(139, 92, 246, 0.15), transparent 60%),
    linear-gradient(180deg, var(--abyss) 0%, var(--mid-water) 135%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(63, 240, 216, 0.09) 0 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
}

.page-about .about-hero__rings {
  position: absolute;
  top: 50%;
  right: -16%;
  width: min(34rem, 52vw);
  aspect-ratio: 1 / 1;
  transform: translateY(-50%);
  opacity: 0.6;
  pointer-events: none;
  display: none;
  z-index: 1;
}

.page-about .about-hero__rings svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-hero .breadcrumb {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 9vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 clamp(1.1rem, 2.5vw, 1.75rem);
  text-shadow: 0 0 40px rgba(63, 240, 216, 0.34);
}

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

.page-about .about-hero .lead {
  color: var(--text-dim);
  font-size: clamp(1rem, 0.35vw + 0.93rem, 1.1875rem);
  line-height: 1.85;
  max-width: 42rem;
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
}

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

/* ---------- 深色区块基础 ---------- */

.page-about .about-deep {
  position: relative;
  padding: clamp(3.25rem, 7vw, 6rem) 0;
  background:
    radial-gradient(80% 60% at 82% 0%, rgba(63, 240, 216, 0.10), transparent 62%),
    linear-gradient(180deg, var(--abyss) 0%, var(--mid-water) 100%);
  color: var(--text);
}

.page-about .about-deep h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.4vw, 2.75rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 0.7rem 0 1.4rem;
}

.page-about .about-deep p {
  color: var(--text-dim);
  line-height: 1.85;
  max-width: 46rem;
  margin: 0 0 1.1rem;
}

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

/* ---------- 起点 ---------- */

.page-about .about-origin {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-about .about-origin__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: var(--hair);
  box-shadow: var(--shadow-soft);
}

.page-about .about-origin__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-note {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 107, 74, 0.09);
}

.page-about .about-note p {
  margin: 0;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 48rem;
}

/* ---------- 声呐分隔 ---------- */

.page-about .about-sonar {
  position: relative;
  height: 2px;
  margin: clamp(2rem, 4vw, 3rem) 0;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, transparent 0%, rgba(63, 240, 216, 0.55) 50%, transparent 100%);
}

.page-about .about-sonar::before,
.page-about .about-sonar::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: var(--glow-neon);
  opacity: 0;
  transition: transform var(--t-slow) var(--ease), opacity var(--t) var(--ease);
}

.page-about .about-sonar:hover::before {
  opacity: 1;
  transform: translateX(-6rem);
}

.page-about .about-sonar:hover::after {
  opacity: 1;
  transform: translateX(6rem);
}

/* ---------- 纸面区块基础 ---------- */

.page-about .section--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-about .section--paper h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.2vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0.7rem 0 1.3rem;
}

.page-about .section--paper .kicker {
  color: var(--about-ink-coral);
}

.page-about .section--paper p {
  color: var(--about-ink-soft);
  line-height: 1.85;
  max-width: 46rem;
}

/* ---------- 赛季生产 ---------- */

.page-about .about-process__lead {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.page-about .about-steps {
  list-style: none;
  counter-reset: aboutstep;
  margin: clamp(1.75rem, 3.5vw, 2.5rem) 0 0;
  padding: 0;
}

.page-about .about-steps li {
  counter-increment: aboutstep;
  position: relative;
  padding: 1.15rem 0 1.15rem 3.25rem;
  border-top: var(--hair-ink);
}

.page-about .about-steps li:last-child {
  border-bottom: var(--hair-ink);
}

.page-about .about-steps li::before {
  content: counter(aboutstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--about-ink-coral);
}

.page-about .about-steps strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.page-about .about-steps p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 44rem;
}

.page-about .about-process__figure {
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: var(--hair-ink);
}

.page-about .about-process__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-process__note {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  padding-left: 1rem;
  border-left: 2px solid var(--coral);
  font-size: 0.9375rem;
}

/* ---------- 四类内容团队 ---------- */

.page-about .about-teams__body {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-about .about-orbit {
  width: min(19rem, 76vw);
  margin: 0 auto;
}

.page-about .about-orbit svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-orbit__num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  fill: var(--gold);
}

.page-about .about-orbit__sub {
  font-family: var(--font-body);
  font-size: 13px;
  fill: var(--mist);
}

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

.page-about .about-team-list li {
  position: relative;
  padding: 1rem 0 1rem 1.85rem;
  border-top: 1px solid rgba(63, 240, 216, 0.14);
}

.page-about .about-team-list li:last-child {
  border-bottom: 1px solid rgba(63, 240, 216, 0.14);
}

.page-about .about-team-list li::before {
  content: "";
  position: absolute;
  left: 0.4rem;
  top: 1.6rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dot, var(--neon));
  box-shadow: 0 0 10px var(--dot, var(--neon));
}

.page-about .about-team-list strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: #fff;
  margin-bottom: 0.3rem;
}

.page-about .about-team-list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 40rem;
}

.page-about .about-teams__foot {
  font-size: 0.9375rem;
  max-width: 46rem;
}

/* ---------- 重庆根基 ---------- */

.page-about .about-root__split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-about .about-root__text p {
  margin-bottom: 1.1rem;
}

.page-about .about-root__btn {
  margin-top: 0.9rem;
  border-color: rgba(42, 27, 18, 0.32);
  color: var(--ink);
}

.page-about .about-root__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: var(--hair-ink);
}

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

/* ---------- 版本轴 ---------- */

.page-about .about-versions__body {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-about .about-versions__rail {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.4rem;
  scrollbar-width: none;
}

.page-about .about-versions__rail::-webkit-scrollbar {
  display: none;
}

.page-about .about-node {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--text-mute);
  border: 1px solid rgba(63, 240, 216, 0.24);
  border-radius: var(--r-pill);
  padding: 0.42rem 0.9rem;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .about-node:hover,
.page-about .about-node:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
}

.page-about .about-ver {
  padding-bottom: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: clamp(1.6rem, 3vw, 2.2rem);
  border-bottom: 1px solid rgba(63, 240, 216, 0.12);
  scroll-margin-top: 6rem;
}

.page-about .about-ver:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-about .about-ver__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.45rem;
}

.page-about .about-ver__tag {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--neon);
  text-shadow: var(--glow-neon);
}

.page-about .about-ver__year {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}

.page-about .about-ver h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1875rem;
  color: #fff;
  margin: 0 0 0.5rem;
}

.page-about .about-ver__link {
  margin-top: 0.75rem;
}

.page-about .about-ver__link a {
  color: var(--coral);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 74, 0.45);
  padding-bottom: 2px;
}

.page-about .about-ver__link a:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* ---------- 认可 ---------- */

.page-about .about-honors p {
  margin-bottom: 1.1rem;
}

.page-about .about-honor-list {
  list-style: none;
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .about-honor-list li {
  padding: 1.15rem 1.3rem;
  border: var(--hair-ink);
  border-radius: var(--r-md);
  background: rgba(255, 227, 217, 0.55);
}

.page-about .about-honor-list strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.page-about .about-honor-list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ---------- 收尾 ---------- */

.page-about .about-cta__inner {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-about .about-cta__text h2 {
  margin-bottom: 0.9rem;
}

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

/* ---------- 图片兜底 ---------- */

.page-about img {
  max-width: 100%;
  height: auto;
}

/* ---------- 断点 ---------- */

@media (min-width: 48rem) {
  .page-about .about-honor-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) auto;
    align-items: center;
  }
}

@media (min-width: 56rem) {
  .page-about .about-br {
    display: inline;
  }

  .page-about .about-hero__rings {
    display: block;
  }

  .page-about .about-origin {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-root__split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

  .page-about .about-versions__body {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-about .about-versions__rail {
    position: sticky;
    top: 5.5rem;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-node {
    border: 0;
    border-left: 2px solid rgba(63, 240, 216, 0.18);
    border-radius: 0;
    padding: 0.7rem 0 0.7rem 1rem;
    font-size: 0.8125rem;
  }

  .page-about .about-node:hover,
  .page-about .about-node:focus-visible {
    border-left-color: var(--neon);
  }
}

@media (min-width: 62rem) {
  .page-about .about-teams__body {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-sonar::before,
  .page-about .about-sonar::after {
    transition: none;
  }
}
</main>

.page-about {
  --dot: none;
}