.page-about {
  --about-pad: clamp(56px, 9vw, 116px);
  --about-hair: rgba(10, 43, 78, 0.12);
  --about-accent-ink: #008B7A;
  --about-headline: var(--sea-800);
  --about-muted: var(--steel);
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  overflow-x: hidden;
}

.page-about .about-stage {
  padding: var(--about-pad) 0;
}

.page-about .about-stage--paper {
  background: var(--paper);
}

.page-about .about-stage--deep {
  --about-headline: var(--paper);
  --about-muted: rgba(244, 247, 250, 0.72);
  background:
    radial-gradient(90% 70% at 92% 4%, rgba(0, 229, 199, 0.14), transparent 62%),
    linear-gradient(168deg, var(--sea-900), #08223F);
  color: var(--paper);
}

.page-about .about-stage--ink {
  --about-headline: var(--paper);
  --about-muted: rgba(244, 247, 250, 0.7);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(34px, 6vw, 80px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(0, 229, 199, 0.16), transparent 58%),
    linear-gradient(158deg, var(--sea-900), var(--sea-800) 62%, #0D3557);
  color: var(--paper);
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

.page-about .about-hero .breadcrumb {
  margin: 0 0 24px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(244, 247, 250, 0.58);
}

.page-about .about-hero .breadcrumb a {
  color: rgba(244, 247, 250, 0.72);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about .about-hero .breadcrumb a:hover,
.page-about .about-hero .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-about .about-hero__index {
  color: var(--cyan-soft);
  letter-spacing: 0.18em;
  font-size: 12px;
  margin: 0 0 16px;
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5.4vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  max-width: 15em;
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 32em;
  font-size: 1.02rem;
  color: rgba(244, 247, 250, 0.78);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

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

.page-about .about-hero__svg {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
  margin: 0 auto;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-top: clamp(30px, 5vw, 56px);
  background: rgba(244, 247, 250, 0.13);
  border-top: 1px solid rgba(244, 247, 250, 0.14);
  border-bottom: 1px solid rgba(244, 247, 250, 0.14);
}

.page-about .about-fact {
  padding: 18px 8px 20px;
  background: rgba(6, 26, 49, 0.42);
}

.page-about .about-fact__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-about .about-fact__unit {
  margin-left: 3px;
  font-size: 0.8rem;
  color: var(--cyan-soft);
}

.page-about .about-fact__label {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.13em;
  color: rgba(244, 247, 250, 0.6);
}

/* ---------- 章节头 ---------- */
.page-about .about-head {
  max-width: 44em;
  margin: 0 0 clamp(30px, 5vw, 54px);
}

.page-about .about-head__index {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--about-accent-ink);
}

.page-about .about-stage--deep .about-head__index,
.page-about .about-stage--ink .about-head__index {
  color: var(--cyan);
}

.page-about .about-head__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.65rem, 3.6vw, 2.6rem);
  line-height: 1.16;
  color: var(--about-headline);
}

.page-about .about-head__lead {
  margin: 0;
  max-width: 38em;
  color: var(--about-muted);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline-fig {
  margin: 0 0 clamp(34px, 5vw, 56px);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: #E8EEF4;
}

.page-about .about-timeline-fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 4px 0 4px 30px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 199, 0.06));
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(30px, 4.6vw, 52px);
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--cyan), #00B39E);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, 0.16);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-about .about-timeline__item:hover::before {
  transform: scale(1.4);
  box-shadow: 0 0 0 8px rgba(0, 229, 199, 0.22);
}

.page-about .about-timeline__year {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--about-accent-ink);
}

.page-about .about-timeline__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.12rem, 2.1vw, 1.38rem);
  line-height: 1.3;
  color: var(--about-headline);
}

.page-about .about-timeline__body {
  margin: 0;
  max-width: 44em;
  color: var(--graphite);
}

@media (min-width: 760px) {
  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 122px minmax(0, 1fr);
    column-gap: 28px;
    align-items: start;
  }

  .page-about .about-timeline__year {
    margin: 7px 0 0;
    text-align: right;
  }
}

/* ---------- 生产流程 ---------- */
.page-about .about-flow {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 820px) {
  .page-about .about-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-flow__step {
  padding: 26px 22px 28px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  background: var(--glass-dark);
  backdrop-filter: blur(6px);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-about .about-flow__step:hover {
  border-color: rgba(0, 229, 199, 0.5);
  transform: translateY(-4px);
}

.page-about .about-flow__num {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-about .about-flow__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--paper);
}

.page-about .about-flow__text {
  margin: 0;
  font-size: 0.97rem;
  color: rgba(244, 247, 250, 0.72);
}

.page-about .about-flow__fig {
  margin: clamp(30px, 4.6vw, 52px) 0 0;
}

.page-about .figure__media {
  overflow: hidden;
  border-radius: var(--radius-m);
}

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

.page-about .figure__caption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-about .about-stage--deep .figure__media {
  border: 1px solid var(--line-dark);
  background: rgba(6, 26, 49, 0.5);
}

.page-about .about-stage--deep .figure__caption {
  color: rgba(244, 247, 250, 0.55);
}

.page-about .about-stage--paper .figure__media {
  border: 1px solid var(--about-hair);
  background: #E8EEF4;
}

.page-about .about-stage--paper .figure__caption {
  color: var(--steel);
}

/* ---------- 采编网络 ---------- */
.page-about .about-network {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-about .about-network {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.9fr);
  }
}

.page-about .about-network__list {
  display: grid;
  gap: 14px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-network__item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-network__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.2vw, 2.05rem);
  line-height: 1.05;
  color: var(--about-accent-ink);
}

.page-about .about-network__desc {
  margin: 4px 0 0;
  font-size: 0.97rem;
  color: var(--graphite);
}

.page-about .about-network__fig {
  margin: 0;
}

/* ---------- 资质徽章 ---------- */
.page-about .about-badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-badge {
  padding: 22px 20px 24px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  background: rgba(244, 247, 250, 0.03);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-about .about-badge:hover,
.page-about .about-badge:focus-within {
  border-color: rgba(0, 229, 199, 0.55);
  background: rgba(0, 229, 199, 0.06);
}

.page-about .about-badge__mark {
  position: relative;
  display: block;
  width: 26px;
  height: 26px;
  margin-bottom: 18px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
}

.page-about .about-badge__mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .about-badge__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .about-badge__note {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 0.87rem;
  color: rgba(244, 247, 250, 0.66);
  transition: max-height 0.25s var(--ease), opacity 0.25s var(--ease), margin-top 0.25s var(--ease);
}

.page-about .about-badge:hover .about-badge__note,
.page-about .about-badge:focus-within .about-badge__note {
  max-height: 120px;
  opacity: 1;
  margin-top: 10px;
}

@media (hover: none) {
  .page-about .about-badge__note {
    max-height: 120px;
    opacity: 1;
    margin-top: 10px;
  }
}

/* ---------- 三条坚持 ---------- */
.page-about .about-principles {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 820px) {
  .page-about .about-principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-principle {
  padding-top: 22px;
  border-top: 2px solid var(--sea-800);
}

.page-about .about-principle__num {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 5vw, 3.3rem);
  line-height: 1;
  color: rgba(10, 43, 78, 0.16);
  transition: color 0.22s var(--ease);
}

.page-about .about-principle:hover .about-principle__num {
  color: var(--about-accent-ink);
}

.page-about .about-principle__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--sea-800);
}

.page-about .about-principle__text {
  margin: 0;
  font-size: 0.96rem;
  color: var(--graphite);
}

.page-about .about-principle__text a {
  color: var(--about-accent-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 139, 122, 0.35);
  transition: border-color 0.2s var(--ease);
}

.page-about .about-principle__text a:hover,
.page-about .about-principle__text a:focus-visible {
  border-color: var(--about-accent-ink);
}

/* ---------- 收束 ---------- */
.page-about .about-cta {
  padding: clamp(46px, 7vw, 88px) 0;
  background:
    radial-gradient(80% 120% at 6% 100%, rgba(255, 122, 69, 0.14), transparent 60%),
    linear-gradient(122deg, var(--sea-900), var(--sea-800) 68%, #0D3557);
  color: var(--paper);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 30px;
  align-items: center;
}

@media (min-width: 860px) {
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  line-height: 1.16;
  color: #FFFFFF;
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 32em;
  color: rgba(244, 247, 250, 0.75);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0 0;
  font-size: 0.9rem;
}

.page-about .about-cta__links a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 233, 220, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-cta__links a:hover,
.page-about .about-cta__links a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

@media (max-width: 520px) {
  .page-about .about-timeline {
    padding-left: 24px;
  }

  .page-about .about-timeline__item::before {
    left: -22px;
  }

  .page-about .about-network__item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
  }
}
<<<END>>>