/* ===== 品牌故事页 · 作用域 .page-about ===== */
.page-about {
  --about-shell: 1280px;
  --about-rail: 152px;
  --about-hair: rgba(27, 44, 71, .9);
  display: block;
  background: var(--deep);
  color: var(--white);
  font-family: var(--font-display);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  max-width: var(--about-shell);
  margin-inline: auto;
  padding: clamp(20px, 3vw, 34px) var(--gutter) 0;
  font-size: 13px;
  color: var(--mist);
}
.page-about .about-crumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-about .about-crumbs a:hover,
.page-about .about-crumbs a:focus-visible {
  color: var(--ice);
}
.page-about .about-crumbs [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  max-width: var(--about-shell);
  margin-inline: auto;
  padding: clamp(26px, 4.4vw, 56px) var(--gutter) clamp(44px, 6.5vw, 92px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -22%;
  width: 54%;
  height: 76%;
  background: linear-gradient(136deg, rgba(43, 227, 208, .16), rgba(43, 227, 208, 0) 64%);
  transform: rotate(-6deg);
  border-radius: var(--radius-lg);
  pointer-events: none;
}
.page-about .about-hero__text,
.page-about .about-hero__media {
  position: relative;
  z-index: 1;
}
.page-about .about-hero__title {
  margin: 16px 0 0;
  font-size: clamp(34px, 5.4vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--white);
}
.page-about .about-hero__title em {
  font-style: normal;
  color: var(--teal);
}
.page-about .about-hero__lead {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 34em;
  font-size: clamp(15.5px, 1.15vw, 17.5px);
  line-height: 1.8;
  color: rgba(234, 242, 255, .84);
}
.page-about .hero-facts {
  margin-top: clamp(26px, 3.4vw, 42px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  padding-top: 22px;
  border-top: 1px solid var(--about-hair);
}
.page-about .hero-facts .stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.page-about .hero-facts .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.3vw, 29px);
  font-weight: 700;
  line-height: 1;
  color: var(--teal);
}
.page-about .hero-facts .stat__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}
.page-about .about-hero__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-hair);
  background: var(--mid);
  aspect-ratio: 14 / 9;
  box-shadow: var(--shadow-deep);
}
.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  background: linear-gradient(to top, rgba(5, 11, 22, .88), rgba(5, 11, 22, 0));
  pointer-events: none;
}

/* ---------- 长文主体 ---------- */
.page-about .about-body {
  position: relative;
  max-width: var(--about-shell);
  margin-inline: auto;
  padding: clamp(34px, 5vw, 72px) var(--gutter) clamp(52px, 7vw, 104px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
}
.page-about .about-stream {
  min-width: 0;
  color: rgba(234, 242, 255, .82);
}

/* ---------- 年份刻度侧栏 ---------- */
.page-about .year-rail {
  min-width: 0;
}
.page-about .year-rail__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--mist);
}
.page-about .year-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  position: relative;
}
.page-about .year-rail__list::-webkit-scrollbar {
  display: none;
}
.page-about .year-rail__item {
  flex: none;
}
.page-about .year-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  border: 1px solid var(--about-hair);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-about .year-rail__link:hover,
.page-about .year-rail__link:focus-visible {
  color: var(--ice);
  border-color: rgba(43, 227, 208, .5);
  background: rgba(43, 227, 208, .07);
}
.page-about .year-rail__dot {
  display: none;
}

/* :target 高亮当前刻度（渐进增强） */
.page-about .about-body:has(#y2016:target) .year-rail__link[href="#y2016"],
.page-about .about-body:has(#y2018:target) .year-rail__link[href="#y2018"],
.page-about .about-body:has(#y2021:target) .year-rail__link[href="#y2021"],
.page-about .about-body:has(#y2023:target) .year-rail__link[href="#y2023"],
.page-about .about-body:has(#y2024:target) .year-rail__link[href="#y2024"],
.page-about .about-body:has(#y2025:target) .year-rail__link[href="#y2025"] {
  color: var(--ice);
  border-color: var(--teal);
  background: rgba(43, 227, 208, .1);
}

/* ---------- 章节 ---------- */
.page-about .about-chapter {
  position: relative;
  scroll-margin-top: 132px;
  padding-top: clamp(30px, 4vw, 46px);
}
.page-about .about-chapter:first-child {
  padding-top: 0;
}
.page-about .about-chapter + .about-chapter {
  margin-top: clamp(42px, 6vw, 86px);
}
.page-about .about-chapter + .about-chapter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--slate) 0%, rgba(27, 44, 71, 0) 72%);
}
.page-about .chapter-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  margin-bottom: 20px;
}
.page-about .chapter-year {
  flex: none;
  padding: 4px 12px;
  border: 1px solid rgba(43, 227, 208, .36);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--teal);
}
.page-about .chapter-title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 33px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.008em;
  color: var(--white);
}
.page-about .chapter-body {
  max-width: 34em;
  font-size: clamp(15.5px, 1.05vw, 17px);
  line-height: 1.8;
}
.page-about .chapter-body p {
  margin: 0 0 1.1em;
}
.page-about .chapter-body p:last-child {
  margin-bottom: 0;
}
.page-about .chapter-body a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 208, .42);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .chapter-body a:hover,
.page-about .chapter-body a:focus-visible {
  color: var(--ice);
  border-color: var(--ice);
}
.page-about .shift-note {
  margin-top: clamp(24px, 3vw, 36px);
}

/* ---------- 数据旁注 ---------- */
.page-about .side-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin: clamp(24px, 3vw, 34px) 0 0;
  max-width: 40em;
  padding: 18px 20px;
  border-left: 2px solid var(--teal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(43, 227, 208, .09), rgba(43, 227, 208, 0) 88%);
  font-size: 13.8px;
  line-height: 1.75;
  color: rgba(234, 242, 255, .74);
}
.page-about .side-note__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: .92;
  color: var(--teal);
}

/* ---------- 覆盖比例条 ---------- */
.page-about .coverage {
  margin-top: clamp(24px, 3vw, 36px);
  max-width: 40em;
}
.page-about .coverage__bar {
  display: flex;
  height: 14px;
  border-radius: var(--pill);
  overflow: hidden;
  background: var(--mid);
}
.page-about .coverage__fill {
  display: block;
  height: 100%;
}
.page-about .coverage__fill--foot {
  width: 72.4%;
  background: linear-gradient(90deg, var(--teal), var(--ice));
}
.page-about .coverage__fill--basket {
  width: 27.6%;
  background: linear-gradient(90deg, var(--orange), #ff8a63);
}
.page-about .coverage__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--mist);
}
.page-about .coverage__key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-about .coverage__key b {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--white);
}
.page-about .coverage__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.page-about .coverage__dot--foot {
  background: var(--teal);
}
.page-about .coverage__dot--basket {
  background: var(--orange);
}

/* ---------- 配图 ---------- */
.page-about .about-map,
.page-about .about-team {
  position: relative;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  max-width: 46em;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-hair);
  background: var(--mid);
}
.page-about .about-map img,
.page-about .about-team img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(140, 247, 236, .13) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(140, 247, 236, .13) 0 1px, transparent 1px 46px);
  pointer-events: none;
}
.page-about .about-map .media-caption,
.page-about .about-team .media-caption {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 12px 16px 14px;
  font-size: 12.8px;
  line-height: 1.6;
  color: var(--mist);
  background: var(--mid);
}

/* ---------- 团队手风琴补充 ---------- */
.page-about .about-acc {
  margin-top: clamp(24px, 3vw, 36px);
  max-width: 46em;
}
.page-about .about-acc .acc-trigger {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--white);
}
.page-about .about-acc .acc-panel__body {
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(234, 242, 255, .76);
}
.page-about .about-acc .acc-panel__body p {
  margin: 0;
}
.page-about .about-acc .acc-trigger__label .num {
  font-family: var(--font-mono);
  color: var(--teal);
}

/* ---------- 数据来源流程 ---------- */
.page-about .source-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(18px, 2.6vw, 28px);
  max-width: 46em;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--mid), rgba(18, 42, 77, .5));
  border: 1px solid var(--about-hair);
}
.page-about .source-flow__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-about .source-flow__node {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border-radius: var(--pill);
  font-size: 13.5px;
  line-height: 1.4;
  color: rgba(234, 242, 255, .84);
  background: rgba(5, 11, 22, .5);
  border: 1px solid var(--about-hair);
}
.page-about .source-flow__node b {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--teal);
}
.page-about .source-flow__node--core {
  border-color: rgba(43, 227, 208, .5);
  background: rgba(43, 227, 208, .12);
  color: var(--ice);
}
.page-about .source-flow__node--out {
  border-color: rgba(255, 92, 51, .45);
  background: rgba(255, 92, 51, .1);
  color: #ffd9cc;
}
.page-about .source-flow__arrow {
  flex: none;
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, rgba(43, 227, 208, .2), var(--teal), rgba(43, 227, 208, .2));
  position: relative;
}
.page-about .source-flow__arrow::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1.5px solid var(--teal);
  border-right: 1.5px solid var(--teal);
  transform: rotate(45deg);
}

/* ---------- 长期价值三条 ---------- */
.page-about .about-facts {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 46em;
}
.page-about .about-fact {
  position: relative;
  padding: 20px 22px 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(18, 42, 77, .92), rgba(10, 26, 51, .7));
  border: 1px solid var(--about-hair);
}
.page-about .about-fact__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(43, 227, 208, .8);
}
.page-about .about-fact__title {
  margin: 10px 0 8px;
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .about-fact__text {
  margin: 0;
  font-size: 14.2px;
  line-height: 1.75;
  color: rgba(234, 242, 255, .76);
}

/* ---------- 收束入口 ---------- */
.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin-top: clamp(36px, 5vw, 72px);
  background: linear-gradient(158deg, var(--mid) 0%, var(--deep) 68%);
  border-top: 1px solid var(--about-hair);
}
.page-about .about-cta::before {
  content: "";
  position: absolute;
  left: -12%;
  top: -40%;
  width: 46%;
  height: 180%;
  background: linear-gradient(120deg, rgba(43, 227, 208, .14), rgba(43, 227, 208, 0) 70%);
  transform: rotate(7deg);
  pointer-events: none;
}
.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  max-width: var(--about-shell);
  margin-inline: auto;
  padding: clamp(38px, 5.4vw, 76px) var(--gutter);
}
.page-about .about-cta__title {
  margin: 0;
  max-width: 22em;
  font-size: clamp(23px, 3vw, 38px);
  font-weight: 900;
  line-height: 1.24;
  color: var(--white);
}
.page-about .about-cta__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: clamp(14.5px, 1vw, 16.5px);
  line-height: 1.78;
  color: rgba(234, 242, 255, .76);
}
.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}
.page-about .about-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-about .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(32px, 4.4vw, 72px);
  }
  .page-about .year-rail {
    position: sticky;
    top: 128px;
    align-self: start;
  }
  .page-about .year-rail__label {
    margin-bottom: 16px;
  }
  .page-about .year-rail__list {
    display: block;
    padding: 0;
    overflow: visible;
  }
  .page-about .year-rail__list::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: var(--about-hair);
  }
  .page-about .year-rail__item {
    display: block;
  }
  .page-about .year-rail__link {
    display: flex;
    width: 100%;
    padding: 9px 0;
    border: 0;
    border-radius: 0;
    background: none;
    font-size: 14px;
  }
  .page-about .year-rail__link:hover,
  .page-about .year-rail__link:focus-visible {
    background: none;
    border-color: transparent;
  }
  .page-about .year-rail__dot {
    display: block;
    position: relative;
    z-index: 1;
    flex: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--slate);
    background: var(--deep);
    transition: border-color .2s var(--ease), background-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .page-about .year-rail__link:hover .year-rail__dot,
  .page-about .year-rail__link:focus-visible .year-rail__dot {
    border-color: var(--teal);
  }
  .page-about .about-body:has(#y2016:target) .year-rail__link[href="#y2016"] .year-rail__dot,
  .page-about .about-body:has(#y2018:target) .year-rail__link[href="#y2018"] .year-rail__dot,
  .page-about .about-body:has(#y2021:target) .year-rail__link[href="#y2021"] .year-rail__dot,
  .page-about .about-body:has(#y2023:target) .year-rail__link[href="#y2023"] .year-rail__dot,
  .page-about .about-body:has(#y2024:target) .year-rail__link[href="#y2024"] .year-rail__dot,
  .page-about .about-body:has(#y2025:target) .year-rail__link[href="#y2025"] .year-rail__dot {
    border-color: var(--teal);
    background: var(--teal);
    box-shadow: 0 0 0 4px rgba(43, 227, 208, .18);
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero {
    padding-bottom: clamp(64px, 7vw, 104px);
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .year-rail__link,
  .page-about .year-rail__dot,
  .page-about .chapter-body a,
  .page-about .about-crumbs a {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>