/* ==========================================================================
   品牌概况 /company/ —— 页面专属样式，全部限定在 .page-about 作用域内
   ========================================================================== */

.page-about {
  --about-read: 44rem;
  display: block;
  background: var(--ink-900);
  color: var(--text-050);
}

.page-about .about-shell {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 顶部入口速览条 ---------- */

.page-about .about-quickbar {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(53, 224, 214, 0.13) 0%, rgba(11, 18, 48, 0) 58%),
    var(--ink-900);
}

.page-about .about-quickbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1.4rem;
  padding-block: 0.75rem;
  font-size: 0.82rem;
  line-height: 1.5;
}

.page-about .about-quickbar__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--gray-400);
}

.page-about .about-quickbar__link {
  position: relative;
  color: var(--text-050);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--ink-500);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-quickbar__link::after {
  content: "↗";
  margin-left: 0.4em;
  font-size: 0.85em;
  color: var(--cyan-400);
}

.page-about .about-quickbar__link:hover,
.page-about .about-quickbar__link:focus-visible {
  color: var(--cyan-400);
  border-color: var(--cyan-600);
}

.page-about .about-quickbar__link--accent {
  border-color: rgba(255, 162, 58, 0.55);
}

.page-about .about-quickbar__link--accent::after {
  color: var(--amber-400);
}

.page-about .about-quickbar__link--accent:hover,
.page-about .about-quickbar__link--accent:focus-visible {
  color: var(--amber-400);
  border-color: var(--amber-600);
}

/* ---------- 面包屑 ---------- */

.page-about .breadcrumb {
  padding-top: 1.6rem;
  font-size: 0.8rem;
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--gray-400);
}

.page-about .breadcrumb li + li::before {
  content: "/";
  color: var(--ink-500);
}

.page-about .breadcrumb a {
  color: var(--gray-200);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3.2rem);
  padding-block: clamp(2rem, 5vw, 3.6rem) clamp(2.4rem, 6vw, 4.6rem);
}

.page-about .about-hero__text {
  min-width: 0;
}

.page-about .eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  color: var(--cyan-400);
}

.page-about .display {
  margin: 0 0 1.15rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.95rem, 5.4vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.8;
  color: var(--gray-200);
}

.page-about .about-hero__facts {
  display: grid;
  gap: 0.65rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--gray-200);
}

.page-about .about-hero__facts li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  transform: translateY(-2px);
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
}

.page-about .about-hero__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-l);
  background: var(--ink-700);
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  background: linear-gradient(180deg, rgba(11, 18, 48, 0) 0%, rgba(11, 18, 48, 0.76) 100%);
  pointer-events: none;
}

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

.page-about .about-hero__figure figcaption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--gray-200);
  text-shadow: 0 1px 8px rgba(11, 18, 48, 0.9);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }
}

/* ---------- 章节头 ---------- */

.page-about .about-section {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-about .about-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.45rem 0.9rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

.page-about .about-head__num {
  padding-top: 0.5em;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

.page-about .about-head__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.4vw, 2rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* ---------- 正文 ---------- */

.page-about .body-text {
  max-width: var(--about-read);
  margin: 0 0 1.05rem;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--gray-200);
}

.page-about .body-text a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, 0.4);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .body-text a:hover,
.page-about .body-text a:focus-visible {
  color: var(--cyan-600);
  border-color: var(--cyan-600);
}

.page-about .about-band__lead {
  max-width: var(--about-read);
  margin: -0.6rem 0 2.2rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-500);
}

/* ---------- 四条产品线 ---------- */

.page-about .about-lines {
  display: grid;
  gap: 1px;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-500);
}

.page-about .about-lines__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "code name"
    "code desc";
  gap: 0.2rem 1rem;
  padding: 1.15rem 1.25rem;
  background: var(--ink-700);
  transition: background 0.2s var(--ease);
}

.page-about .about-lines__item:hover {
  background: var(--ink-500);
}

.page-about .about-lines__code {
  grid-area: code;
  align-self: start;
  padding-top: 0.28em;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-about .about-lines__name {
  grid-area: name;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
}

.page-about .about-lines__desc {
  grid-area: desc;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--gray-400);
}

@media (min-width: 760px) {
  .page-about .about-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 全宽浅色带：产品演进 ---------- */

.page-about .about-band {
  padding-block: clamp(2.6rem, 6.5vw, 4.8rem);
}

.page-about .about-band--timeline {
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(53, 224, 214, 0.14) 0%, rgba(237, 239, 247, 0) 55%),
    var(--paper-100);
  color: var(--ink-900);
}

.page-about .about-band--timeline .about-head__num {
  color: var(--amber-600);
}

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

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

.page-about .about-timeline {
  display: grid;
  gap: 1.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 1.75rem;
  border-left: 1px solid rgba(39, 53, 111, 0.2);
  opacity: 0;
  animation: aboutStageIn 0.55s var(--ease) forwards;
}

.page-about .about-timeline__item:nth-child(1) { animation-delay: 0.05s; }
.page-about .about-timeline__item:nth-child(2) { animation-delay: 0.18s; }
.page-about .about-timeline__item:nth-child(3) { animation-delay: 0.31s; }
.page-about .about-timeline__item:nth-child(4) { animation-delay: 0.44s; }

@keyframes aboutStageIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.page-about .about-timeline__dot {
  position: absolute;
  top: 0.2rem;
  left: -5.5px;
  box-sizing: border-box;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cyan-600);
  border-radius: 50%;
  background: var(--paper-100);
}

.page-about .about-timeline__idx {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan-600);
}

.page-about .about-timeline__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.12rem;
  line-height: 1.34;
  color: var(--ink-900);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-500);
}

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

  .page-about .about-timeline__item {
    padding: 2.1rem 1.5rem 0 0;
    border-left: 0;
    border-right: 1px solid rgba(39, 53, 111, 0.16);
  }

  .page-about .about-timeline__item::after {
    content: "";
    position: absolute;
    top: 8px;
    left: 11px;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(18, 168, 160, 0.55), rgba(39, 53, 111, 0.18));
  }

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

  .page-about .about-timeline__item:last-child::after {
    display: none;
  }

  .page-about .about-timeline__dot {
    top: 3px;
    left: 0;
  }
}

@media (min-width: 1080px) {
  .page-about .about-timeline__wrap {
    padding-left: 2.8rem;
  }

  .page-about .about-timeline__anno {
    display: block;
    position: absolute;
    left: 0;
    top: 0.35rem;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.34em;
    color: var(--gray-400);
  }
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  display: grid;
  gap: 1.6rem;
}

.page-about .about-team__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  background: var(--ink-700);
}

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

.page-about .about-team__figure figcaption {
  padding: 0.7rem 1rem 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gray-400);
}

@media (min-width: 900px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: 2.4rem;
    align-items: start;
  }

  .page-about .about-team__figure img {
    aspect-ratio: 3 / 4;
  }
}

.page-about .about-org {
  margin-top: 2.4rem;
  padding: 1.5rem clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  background:
    linear-gradient(180deg, rgba(53, 224, 214, 0.06) 0%, rgba(22, 32, 74, 0) 70%),
    var(--ink-700);
}

.page-about .about-org__chart {
  display: block;
  width: 100%;
  max-width: 760px;
  height: auto;
  margin-inline: auto;
}

.page-about .about-org__lines {
  stroke: var(--ink-500);
}

.page-about .about-org__box {
  fill: var(--ink-900);
  stroke: var(--ink-500);
}

.page-about .about-org__box--main {
  stroke: var(--cyan-600);
}

.page-about .about-org__label {
  fill: var(--text-050);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
}

.page-about .about-org__num {
  fill: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
}

/* ---------- 服务网络 ---------- */

.page-about .about-network {
  display: grid;
  gap: 1.8rem;
}

.page-about .about-network__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  background: var(--ink-700);
}

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

.page-about .about-network__figure figcaption {
  padding: 0.7rem 1rem 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gray-400);
}

.page-about .about-network__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.4rem;
  margin: 1.6rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid var(--ink-500);
}

.page-about .about-network__marks li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}

.page-about .about-network__num {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-400);
  border-bottom: 2px solid var(--amber-400);
  padding-bottom: 0.12rem;
}

.page-about .about-network__unit {
  font-size: 0.85rem;
  color: var(--gray-400);
}

@media (min-width: 900px) {
  .page-about .about-network {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 2.6rem;
    align-items: start;
  }
}

/* ---------- 全宽带：长期投入 ---------- */

.page-about .about-band--eco {
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 162, 58, 0.12) 0%, rgba(22, 32, 74, 0) 60%),
    var(--ink-700);
  border-block: 1px solid var(--ink-500);
}

.page-about .about-eco {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-eco__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.4rem 1.25rem 1.5rem;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  background: var(--glass-08);
  overflow: hidden;
}

.page-about .about-eco__item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-400) 0%, rgba(53, 224, 214, 0) 100%);
}

.page-about .about-eco__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cyan-400);
}

.page-about .about-eco__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--text-050);
}

.page-about .about-eco__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--gray-400);
}

@media (min-width: 640px) {
  .page-about .about-eco {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .about-eco {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 收束与下一步 ---------- */

.page-about .about-section--closing {
  padding-bottom: clamp(3rem, 7vw, 5.2rem);
}

.page-about .about-next {
  display: grid;
  gap: 1px;
  margin-top: 2.2rem;
  border: 1px solid var(--ink-500);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-500);
}

.page-about .about-next__link {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.15rem 1.25rem;
  background: var(--ink-700);
  color: var(--text-050);
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: var(--ink-500);
}

.page-about .about-next__link--accent {
  background:
    linear-gradient(135deg, rgba(255, 162, 58, 0.18) 0%, rgba(255, 162, 58, 0.03) 100%),
    var(--ink-700);
}

.page-about .about-next__label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-about .about-next__link--accent .about-next__label {
  color: var(--amber-400);
}

.page-about .about-next__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
}

@media (min-width: 760px) {
  .page-about .about-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-about .about-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__item {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .page-about .about-quickbar__link,
  .page-about .about-lines__item,
  .page-about .about-next__link,
  .page-about .breadcrumb a,
  .page-about .body-text a {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>