/* ===== 品牌故事 / 页面专属样式 ===== */
.page-about {
  --about-line-light: rgba(127, 196, 232, 0.26);
  --about-line-ink: rgba(12, 17, 22, 0.14);
  background: var(--sand-050);
  color: var(--ink-900);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px) 0 clamp(76px, 12vw, 148px);
  color: var(--sand-050);
  background-color: var(--abyss-950);
  background-image:
    linear-gradient(rgba(127, 196, 232, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 196, 232, 0.09) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -6%;
  bottom: -30%;
  width: min(700px, 82%);
  height: 76%;
  background: linear-gradient(140deg, #FF6B45 0%, #FF8F63 100%);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-400), transparent 62%);
  z-index: 1;
}

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

.page-about .about-hero .breadcrumb {
  margin: 0 0 clamp(18px, 4vw, 36px);
  font-size: 13px;
  color: var(--tide-300);
}

.page-about .about-hero .breadcrumb a {
  color: var(--tide-300);
  text-decoration: none;
}

.page-about .about-hero .breadcrumb a:hover {
  color: var(--coral-500);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon-400);
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 17ch;
  font-family: var(--cond);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-about .about-hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(246, 242, 234, 0.86);
}

.page-about .about-hero__stats {
  list-style: none;
  margin: clamp(26px, 4.5vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 780px;
  background: var(--about-line-light);
  border: 1px solid var(--about-line-light);
}

.page-about .hero-stat {
  background: rgba(3, 22, 37, 0.9);
  padding: 14px 16px 16px;
}

.page-about .hero-stat__num {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold-400);
}

.page-about .hero-stat__num small {
  margin-left: 5px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--tide-300);
}

.page-about .hero-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--tide-300);
}

@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 通栏氛围图 ---------- */
.page-about .about-banner {
  margin: 0;
  border: 0;
  display: block;
}

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

/* ---------- 主体栅格 ---------- */
.page-about .about-flow {
  background: var(--sand-050);
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 88px);
}

.page-about .page-grid--railed {
  display: block;
}

@media (min-width: 1080px) {
  .page-about .page-grid--railed {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr) 132px;
    gap: 48px;
    align-items: start;
  }

  .page-about .rail-index,
  .page-about .rail-data {
    position: sticky;
    top: 92px;
  }
}

/* ---------- 章节索引 ---------- */
.page-about .about-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0 0 20px;
  border-bottom: var(--about-line-ink) solid 1px;
}

.page-about .about-toc .toc__title {
  width: 100%;
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-500);
}

.page-about .about-toc .toc__link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  text-decoration: none;
  color: var(--ink-900);
  background: rgba(10, 44, 74, 0.06);
  border: 1px solid transparent;
}

.page-about .about-toc .toc__link:hover,
.page-about .about-toc .toc__link.is-active {
  color: var(--paper-000);
  background: var(--harbor-600);
  border-color: var(--harbor-600);
}

@media (min-width: 1080px) {
  .page-about .about-toc {
    display: block;
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-about .about-toc .toc__link {
    display: block;
    padding: 9px 0 9px 14px;
    background: none;
    border: 0;
    border-left: 3px solid var(--about-line-light);
    color: var(--muted-500);
  }

  .page-about .about-toc .toc__link:hover {
    background: none;
    color: var(--coral-500);
    border-left-color: var(--coral-500);
  }

  .page-about .about-toc .toc__link.is-active {
    background: none;
    color: var(--abyss-950);
    border-left-color: var(--coral-500);
    font-weight: 700;
  }
}

/* ---------- 年份跳转条 ---------- */
.page-about .about-years {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--about-line-ink);
}

.page-about .about-years .toc__title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted-500);
}

.page-about .about-years__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-about .about-years__link {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  text-decoration: none;
  color: var(--harbor-600);
  border: 1px solid rgba(18, 90, 138, 0.25);
}

.page-about .about-years__link:hover {
  color: var(--paper-000);
  background: var(--coral-500);
  border-color: var(--coral-500);
}

/* ---------- 右侧纵向注释带 ---------- */
.page-about .rail-data {
  display: none;
}

@media (min-width: 1080px) {
  .page-about .rail-data {
    display: block;
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }
}

.page-about .rail-data__mark {
  display: block;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--muted-500);
}

/* ---------- 章节通用 ---------- */
.page-about .about-sec {
  padding: clamp(26px, 4vw, 46px) 0;
  border-top: 3px solid var(--abyss-950);
}

.page-about .canvas > .about-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-about .section-head {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
}

.page-about .about-sec .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--coral-500);
}

.page-about .about-sec .eyebrow--light {
  color: var(--neon-400);
}

.page-about .section-head__title {
  margin: 4px 0 0;
  font-family: var(--cond);
  font-weight: 900;
  font-size: clamp(23px, 3.5vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--abyss-950);
}

.page-about .section-head__title--light {
  color: var(--sand-050);
}

.page-about .prose {
  max-width: 68ch;
}

.page-about .prose p {
  margin: 0 0 1.1em;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
}

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

.page-about .about-sec__link {
  margin: 18px 0 0;
  font-size: 15px;
}

.page-about .about-sec__link a {
  color: var(--harbor-600);
  text-decoration: none;
  border-bottom: 2px solid var(--coral-500);
  padding-bottom: 2px;
}

.page-about .about-sec__link a:hover {
  color: var(--coral-500);
}

.page-about .about-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  background: rgba(18, 90, 138, 0.07);
  border-left: 4px solid var(--neon-400);
}

.page-about .about-note a {
  color: var(--harbor-600);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-about .about-note a:hover {
  color: var(--coral-500);
}

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

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--coral-500) 0%, var(--neon-400) 58%, rgba(10, 44, 74, 0.18) 100%);
}

.page-about .tl__item {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 32px);
}

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

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--sand-050);
  border: 3px solid var(--coral-500);
}

.page-about .tl__item:target::before {
  background: var(--neon-400);
  border-color: var(--abyss-950);
  box-shadow: 0 0 0 4px rgba(46, 230, 192, 0.3);
}

.page-about .tl__item:target .tl__year {
  color: var(--coral-500);
}

.page-about .tl__year {
  margin: 0 0 4px;
  font-family: var(--cond);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--harbor-600);
}

.page-about .tl__title {
  margin: 0 0 6px;
  font-family: var(--cond);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.35;
  color: var(--abyss-950);
}

.page-about .tl__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-900);
}

@media (min-width: 720px) {
  .page-about .tl__item {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 0 28px;
    padding-bottom: clamp(24px, 3vw, 40px);
  }

  .page-about .tl__year {
    grid-column: 1;
    margin-bottom: 0;
  }

  .page-about .tl__body {
    grid-column: 2;
  }
}

/* ---------- 团队分工 ---------- */
.page-about .about-team {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

@media (min-width: 900px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-about .team-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .team-bar {
  padding: 18px 20px 20px 22px;
  background: var(--paper-000);
  border-left: 6px solid var(--harbor-600);
  box-shadow: 4px 4px 0 rgba(3, 22, 37, 0.07);
}

.page-about .team-bar--b {
  border-left-color: var(--coral-500);
}

.page-about .team-bar--c {
  border-left-color: var(--neon-400);
}

.page-about .team-bar__idx {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-500);
}

.page-about .team-bar__name {
  margin: 0 0 6px;
  font-family: var(--cond);
  font-weight: 900;
  font-size: 19px;
  color: var(--abyss-950);
}

.page-about .team-bar p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

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

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

/* ---------- 数据链路 ---------- */
.page-about .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

@media (min-width: 880px) {
  .page-about .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .flow__step {
  padding: 18px 16px 20px;
  background: var(--paper-000);
  border-top: 4px solid var(--harbor-600);
}

.page-about .flow__step:nth-child(2) {
  border-top-color: var(--tide-300);
}

.page-about .flow__step:nth-child(3) {
  border-top-color: var(--neon-400);
}

.page-about .flow__step:nth-child(4) {
  border-top-color: var(--coral-500);
}

.page-about .flow__idx {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--coral-500);
}

.page-about .flow__title {
  margin: 0 0 6px;
  font-family: var(--cond);
  font-weight: 900;
  font-size: 18px;
  color: var(--abyss-950);
}

.page-about .flow__step p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-900);
}

/* ---------- 合作生态 ---------- */
.page-about .partner-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

@media (min-width: 760px) {
  .page-about .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .partner-card {
  padding: 22px 20px 24px;
  background: var(--abyss-800);
  color: var(--sand-050);
}

.page-about .partner-card__idx {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  color: var(--gold-400);
}

.page-about .partner-card__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--neon-400);
}

.page-about .partner-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 242, 234, 0.82);
}

/* ---------- 海南区块 ---------- */
.page-about .about-sec--hainan {
  padding: 0;
  border-top: 0;
}

.page-about .hainan {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 64px) clamp(18px, 4vw, 44px);
  background: var(--abyss-950);
  color: var(--sand-050);
}

.page-about .hainan__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-about .hainan::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 22, 37, 0.5) 0%, rgba(3, 22, 37, 0.92) 100%);
}

.page-about .hainan__inner {
  position: relative;
  z-index: 2;
  max-width: 62ch;
}

.page-about .hainan__inner p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 242, 234, 0.88);
}

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

/* ---------- 收尾行动区 ---------- */
.page-about .about-cta {
  padding: clamp(32px, 5vw, 56px) 0;
  background: var(--abyss-800);
  color: var(--sand-050);
  border-top: 3px solid var(--coral-500);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 22px;
}

@media (min-width: 860px) {
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

.page-about .about-cta__text .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--neon-400);
}

.page-about .about-cta__text h2 {
  margin: 6px 0 8px;
  font-family: var(--cond);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.15;
  color: var(--sand-050);
}

.page-about .about-cta__text p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 242, 234, 0.8);
}

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

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    animation: none !important;
    transition: none !important;
  }
}
<<<END>>>
