.page-about {
  --about-dot: rgba(0, 255, 163, 0.055);
  --about-line: rgba(58, 74, 110, 0.6);
  font-family: var(--jbo-body);
  color: var(--jbo-text);
  background: var(--jbo-bg);
  line-height: 1.8;
}

.page-about,
.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

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

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--jbo-heading);
  font-weight: 700;
  color: var(--jbo-text);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

.page-about .jbo-section-num {
  display: inline-block;
  margin: 0 0 0.8em;
}

/* ===== 首屏 ===== */
.page-about .about-hero {
  position: relative;
  padding: 48px 0 64px;
  background-image:
    radial-gradient(circle, var(--about-dot) 1px, transparent 1px),
    radial-gradient(ellipse at 85% 15%, rgba(0, 255, 163, 0.05), transparent 55%);
  background-size: 24px 24px, 100% 100%;
  border-bottom: 1px solid var(--jbo-line);
}

.page-about .about-hero__crumb {
  margin-bottom: 40px;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}

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

.page-about .about-hero__eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  color: var(--jbo-accent);
  margin-bottom: 16px;
}

.page-about .about-hero h1 {
  font-size: clamp(2rem, 8vw, 4.25rem);
  line-height: 1.06;
  max-width: 8em;
  margin-bottom: 24px;
}

.page-about .about-hero__lead {
  font-size: 1.15rem;
  color: var(--jbo-text);
  max-width: 28em;
  margin-bottom: 16px;
}

.page-about .about-hero__text {
  color: var(--jbo-text-dim);
  max-width: 32em;
  margin-bottom: 0;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-hero__visual {
  position: relative;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--jbo-line);
  border-radius: var(--jbo-radius);
}

.page-about .about-hero__visual::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 56px;
  height: 56px;
  border-right: 2px solid var(--jbo-accent);
  border-bottom: 2px solid var(--jbo-accent);
  opacity: 0.7;
  pointer-events: none;
}

/* ===== 品牌宣言 ===== */
.page-about .about-mantra {
  padding: 64px 0;
  background: var(--jbo-bg-soft);
  border-bottom: 1px solid var(--jbo-line);
  position: relative;
}

.page-about .about-mantra::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--jbo-accent) 50%, transparent);
  opacity: 0.4;
}

.page-about .about-mantra__inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-about .about-mantra__quote {
  font-family: var(--jbo-heading);
  font-size: clamp(1.3rem, 3.2vw, 2rem);
  line-height: 1.5;
  color: var(--jbo-text);
  margin: 0 0 20px;
  padding-left: 24px;
  border-left: 2px solid var(--jbo-accent);
}

.page-about .about-mantra__meta {
  color: var(--jbo-text-dim);
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  margin: 0;
}

/* ===== 品牌故事 ===== */
.page-about .about-story {
  padding: 72px 0;
}

.page-about .about-story__narrow {
  max-width: 780px;
}

.page-about .about-story__lead {
  font-size: 1.5rem;
  color: var(--jbo-text);
  margin-bottom: 28px;
}

.page-about .about-story p {
  color: var(--jbo-text-dim);
  margin-bottom: 20px;
  font-size: 1rem;
}

.page-about .about-story__quote {
  margin: 28px 0;
  padding: 20px 24px;
  background: rgba(0, 255, 163, 0.04);
  border-left: 2px solid var(--jbo-accent);
  color: var(--jbo-text);
  font-family: var(--jbo-heading);
  font-size: 1.15rem;
  line-height: 1.6;
}

.page-about .about-story__link {
  margin-top: 28px;
}

.page-about .about-story__link a {
  color: var(--jbo-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.page-about .about-story__link a:hover {
  border-bottom-color: var(--jbo-accent);
}

/* ===== 数据快照 ===== */
.page-about .about-snapshot {
  padding: 0 0 72px;
}

.page-about .about-snapshot__panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding: 32px 24px;
  background: linear-gradient(135deg, var(--jbo-bg-soft), var(--jbo-bg));
  border: 1px solid var(--jbo-line);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-about .about-snapshot__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-snapshot__num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--jbo-accent);
  line-height: 1.1;
}

.page-about .about-snapshot__label {
  color: var(--jbo-text-dim);
  font-size: 0.9rem;
}

/* ===== 发展里程碑 ===== */
.page-about .about-timeline {
  padding: 72px 0;
  position: relative;
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 255, 163, 0.04), transparent 40%),
    var(--jbo-bg);
}

.page-about .about-timeline__head {
  margin-bottom: 48px;
}

.page-about .about-timeline__intro {
  color: var(--jbo-text-dim);
  max-width: 720px;
  margin: 0;
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--jbo-line) 8%, var(--jbo-line) 92%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 40px 40px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--jbo-accent);
  box-shadow: 0 0 12px rgba(0, 255, 163, 0.5);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.page-about .about-timeline__item:hover::before {
  box-shadow: 0 0 20px rgba(0, 255, 163, 0.9);
  transform: scale(1.15);
}

.page-about .about-timeline__item time {
  display: inline-block;
  font-size: 1.2rem;
  color: var(--jbo-accent);
  margin-bottom: 8px;
}

.page-about .about-timeline__body h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.page-about .about-timeline__body p {
  color: var(--jbo-text-dim);
  max-width: 600px;
  margin: 0;
}

.page-about .about-timeline__body h3 .jbo-tag {
  margin-left: 8px;
  vertical-align: middle;
}

.page-about .about-timeline__media {
  margin-top: 56px;
  max-width: 480px;
}

.page-about .about-timeline__media img {
  display: block;
  width: 100%;
  border: 1px solid var(--jbo-line);
  border-radius: var(--jbo-radius);
  background: var(--jbo-surface);
}

/* ===== 团队介绍 ===== */
.page-about .about-team {
  padding: 72px 0;
  background: var(--jbo-bg-soft);
  border-top: 1px solid var(--jbo-line);
  border-bottom: 1px solid var(--jbo-line);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-about .about-team__lead {
  font-size: 1.4rem;
  color: var(--jbo-text);
}

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

.page-about .about-team__roles li {
  padding: 18px 0;
  border-bottom: 1px solid rgba(58, 74, 110, 0.4);
}

.page-about .about-team__roles li:first-child {
  border-top: 1px solid rgba(58, 74, 110, 0.4);
}

.page-about .about-team__roles span {
  display: block;
  color: var(--jbo-accent);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.page-about .about-team__roles p {
  color: var(--jbo-text-dim);
  margin: 0;
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  border: 1px solid var(--jbo-line);
  border-radius: var(--jbo-radius);
  background: var(--jbo-surface);
}

/* ===== 行业认可 ===== */
.page-about .about-honors {
  padding: 72px 0;
}

.page-about .about-honors__narrow {
  max-width: 720px;
  margin-bottom: 48px;
}

.page-about .about-honors__intro {
  color: var(--jbo-text-dim);
  margin: 0;
}

.page-about .about-honors__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-honors__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(58, 74, 110, 0.5);
  position: relative;
}

.page-about .about-honors__item:first-child {
  border-top: 1px solid rgba(58, 74, 110, 0.5);
}

.page-about .about-honors__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: linear-gradient(180deg, var(--jbo-accent), transparent);
  opacity: 0.5;
}

.page-about .about-honors__index {
  font-size: 1rem;
  color: var(--jbo-text-dim);
}

.page-about .about-honors__item .jbo-tag {
  display: inline-block;
  margin-bottom: 8px;
}

.page-about .about-honors__item h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.page-about .about-honors__item p {
  color: var(--jbo-text-dim);
  max-width: 680px;
  margin: 0;
}

/* ===== 数据能力 ===== */
.page-about .about-ability {
  padding: 72px 0;
  background: var(--jbo-bg-soft);
  border-top: 1px solid var(--jbo-line);
}

.page-about .about-ability__head {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-about .about-ability__intro {
  color: var(--jbo-text-dim);
  margin: 0;
}

.page-about .about-ability__pipeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-ability__stage {
  position: relative;
  padding: 24px;
  background: rgba(26, 37, 64, 0.5);
  border-left: 2px solid var(--jbo-accent);
}

.page-about .about-ability__stage span {
  display: block;
  color: var(--jbo-accent);
  font-size: 0.95rem;
  margin-bottom: 10px;
  letter-spacing: 0.1em;
}

.page-about .about-ability__stage p {
  color: var(--jbo-text-dim);
  margin: 0;
}

.page-about .about-ability__note {
  margin-top: 32px;
  padding: 20px 24px;
  color: var(--jbo-text);
  background: rgba(0, 255, 163, 0.05);
  border-right: 2px solid var(--jbo-accent);
  font-size: 0.95rem;
}

/* ===== 结尾 ===== */
.page-about .about-cta {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 100%, rgba(0, 255, 163, 0.08), transparent 60%),
    linear-gradient(180deg, transparent, rgba(16, 26, 48, 0.8));
}

.page-about .about-cta__inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.page-about .about-cta__label {
  color: var(--jbo-accent);
  letter-spacing: 0.3em;
  margin-bottom: 16px;
}

.page-about .about-cta__heading {
  font-family: var(--jbo-heading);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin-bottom: 12px;
}

.page-about .about-cta__text {
  color: var(--jbo-text-dim);
  margin-bottom: 28px;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .page-about .about-snapshot__panel {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding: 44px 40px;
  }

  .page-about .about-snapshot__num {
    font-size: 2rem;
  }

  .page-about .about-team__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

  .page-about .about-ability__pipeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 80px 0 96px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }

  .page-about .about-hero h1 {
    font-size: 4.25rem;
  }

  .page-about .about-mantra {
    padding: 88px 0;
  }

  .page-about .about-story {
    padding: 100px 0;
  }

  .page-about .about-snapshot {
    padding-bottom: 100px;
  }

  .page-about .about-snapshot__panel {
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    padding: 52px 48px;
  }

  .page-about .about-snapshot__num {
    font-size: 1.55rem;
  }

  .page-about .about-timeline {
    padding: 100px 0;
  }

  .page-about .about-timeline__head {
    margin-bottom: 64px;
  }

  .page-about .about-timeline__list::before {
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding: 0 56px 56px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
  }

  .page-about .about-timeline__item::before {
    left: auto;
    right: -5px;
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    right: auto;
    left: -5px;
  }

  .page-about .about-timeline__item:hover::before {
    transform: scale(1.2);
  }

  .page-about .about-timeline__media {
    margin-top: 64px;
  }

  .page-about .about-team {
    padding: 100px 0;
  }

  .page-about .about-honors {
    padding: 100px 0;
  }

  .page-about .about-ability {
    padding: 100px 0;
  }

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

  .page-about .about-ability__stage:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -18px;
    top: 50%;
    width: 12px;
    height: 12px;
    border-top: 1px solid var(--jbo-accent);
    border-right: 1px solid var(--jbo-accent);
    transform: translateY(-50%) rotate(45deg);
  }

  .page-about .about-cta {
    padding: 100px 0;
  }
}