/* ===================================================================
   page-about — 品牌文化
   =================================================================== */

.page-about {
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
}

/* ---------- 01 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--head-h) + 28px) 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(115% 85% at 86% 4%, rgba(53, 240, 224, 0.10), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(138, 151, 166, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 151, 166, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 78%);
}

.page-about .about-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 22px;
}

.page-about .about-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 7.4vw, 80px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-about .about-hero__lead {
  max-width: 60ch;
  color: var(--fg-mute);
  margin: 0 0 26px;
}

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

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-about .about-stats__item {
  background: var(--ink-800);
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-about .about-stats__item dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fg-mute);
  margin: 0;
}

.page-about .about-stats__item dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--fg);
}

.page-about .about-stats__item dd .mono {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-about .about-stats__unit {
  font-size: 13px;
  color: var(--fg-mute);
}

/* ---------- 02 品牌沿革 ---------- */
.page-about .about-origin {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-origin__head {
  margin-bottom: 34px;
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
}

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

.page-about .about-origin__figure .media {
  aspect-ratio: 14 / 9;
}

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

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 26px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 24px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: 9px;
  left: -31px;
  width: 9px;
  height: 9px;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.14);
}

.page-about .about-timeline__year {
  display: block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-about .about-timeline__body {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  padding: 12px 16px 14px;
}

.page-about .about-timeline__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fg);
}

.page-about .about-timeline__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-mute);
}

/* 时间线区块是浅色底，覆盖文字颜色 */
.page-about .about-origin .about-timeline__body {
  background: #ffffff;
  border-color: rgba(43, 55, 68, 0.14);
}

.page-about .about-origin .about-timeline__title {
  color: var(--ink-900);
}

.page-about .about-origin .about-timeline__body p {
  color: var(--ink-700);
}

.page-about .about-origin .about-timeline {
  border-left-color: rgba(43, 55, 68, 0.24);
}

.page-about .about-origin .about-timeline__year {
  color: var(--ink-700);
}

.page-about .about-origin .about-timeline__item::before {
  background: var(--orange);
}

/* ---------- 03 使命与承诺 ---------- */
.page-about .about-mission {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-mission__card {
  border-top: 2px solid var(--cyan);
  padding-top: 18px;
}

.page-about .about-mission__card .card__title {
  margin: 6px 0 10px;
  font-size: 22px;
  line-height: 1.35;
  color: var(--fg);
}

.page-about .about-mission__card p {
  margin: 0;
  color: var(--fg-mute);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 04 辽宁在地 ---------- */
.page-about .about-liaoning {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-liaoning__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-about .about-liaoning__text h2 {
  margin: 6px 0 16px;
}

.page-about .about-liaoning__text p {
  margin: 0 0 14px;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-liaoning__list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-liaoning__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-about .about-liaoning__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

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

.page-about .about-liaoning__figure .media {
  aspect-ratio: 12 / 7;
}

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

/* ---------- 05 工艺标准 ---------- */
.page-about .about-craft {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-craft__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-about .about-craft__table {
  width: 100%;
}

.page-about .about-craft__table th[scope="row"] {
  color: var(--fg);
  font-weight: 600;
}

.page-about .about-craft__table td.mono {
  color: var(--orange);
  font-size: 18px;
}

.page-about .about-craft__notes {
  display: grid;
  gap: 14px;
}

.page-about .about-craft__note {
  border-left: 2px solid var(--cyan);
  background: var(--bg-panel);
  padding: 14px 16px;
}

.page-about .about-craft__note .chip {
  margin-bottom: 8px;
}

.page-about .about-craft__note p {
  margin: 0;
  color: var(--fg-mute);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 06 认证序列 ---------- */
.page-about .about-serial {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-serial__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

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

.page-about .about-serial__figure .media {
  aspect-ratio: 5 / 4;
}

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

.page-about .about-serial__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-serial__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 13px 14px;
  background: #ffffff;
  border: 1px solid rgba(43, 55, 68, 0.14);
  border-left: 2px solid rgba(43, 55, 68, 0.24);
  transition: border-left-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .about-serial__item:hover,
.page-about .about-serial__item:focus-within {
  border-left-color: var(--orange);
  box-shadow: 0 8px 22px rgba(10, 15, 20, 0.08);
  transform: translateX(2px);
}

.page-about .about-serial__idx {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 3px;
}

.page-about .about-serial__title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-about .about-serial__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-700);
}

/* ---------- 07 团队与分工 ---------- */
.page-about .about-team {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-team__tabs {
  margin-top: 8px;
}

.page-about .about-team__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-about .about-team__tabs .tabs__tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 9px 16px;
  background: transparent;
  color: var(--fg-mute);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-team__tabs .tabs__tab:hover {
  color: var(--fg);
  border-color: var(--cyan);
}

.page-about .about-team__tabs .tabs__tab[aria-selected="true"],
.page-about .about-team__tabs .tabs__tab.is-active {
  color: var(--ink-900);
  background: var(--orange);
  border-color: var(--orange);
}

.page-about .about-team__panel[hidden] {
  display: none;
}

.page-about .about-team__panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-about .about-team__num {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--fg);
}

.page-about .about-team__num .mono {
  font-family: var(--font-mono);
  font-size: clamp(64px, 14vw, 116px);
  font-weight: 700;
  line-height: 0.9;
  color: var(--orange);
  letter-spacing: -0.03em;
}

.page-about .about-team__num-unit {
  font-size: 20px;
  color: var(--fg-mute);
}

.page-about .about-team__bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-team__bar-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-about .about-team__bar-label {
  font-size: 15px;
  color: var(--fg);
}

.page-about .about-team__bar-count {
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .about-team__roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-team__role {
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--bg-panel);
  padding: 18px 18px 20px;
}

.page-about .about-team__role-title {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--fg);
}

.page-about .about-team__role p {
  margin: 0;
  color: var(--fg-mute);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-team__record {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-team__record-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
}

.page-about .about-team__record-num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .about-team__record-unit {
  font-size: 15px;
  color: var(--cyan);
}

.page-about .about-team__record-label {
  flex: 1 1 100%;
  font-size: 14px;
  color: var(--fg-mute);
}

/* ---------- 08 合作生态与荣誉 ---------- */
.page-about .about-eco {
  padding: 60px 0 64px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-eco__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-eco__card {
  background: #ffffff;
  border: 1px solid rgba(43, 55, 68, 0.14);
  border-top: 3px solid var(--ink-900);
  padding: 22px 20px 24px;
}

.page-about .about-eco__card--wide {
  border-top-color: var(--orange);
}

.page-about .about-eco__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-900);
}

.page-about .about-eco__title {
  margin: 0 0 10px;
  font-size: 19px;
  color: var(--ink-900);
}

.page-about .about-eco__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-about .about-eco__awards {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-eco__awards li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-900);
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(43, 55, 68, 0.2);
}

.page-about .about-eco__awards li .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

/* ---------- 09 下一步 ---------- */
.page-about .about-cta {
  padding: 56px 0 72px;
  background:
    radial-gradient(110% 90% at 12% 0%, rgba(255, 90, 31, 0.10), transparent 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-about .about-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-about .about-cta__text h2 {
  margin: 6px 0 14px;
}

.page-about .about-cta__text .lead {
  color: var(--fg-mute);
  margin: 0 0 24px;
  max-width: 56ch;
}

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

.page-about .about-cta__contact {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line-strong);
  background: rgba(10, 15, 20, 0.5);
}

.page-about .about-cta__contact-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-about .about-cta__contact-row:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.page-about .about-cta__contact-key {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--fg-mute);
}

.page-about .about-cta__contact-val {
  font-size: 15px;
  color: var(--fg);
  word-break: break-word;
}

.page-about .about-cta__contact-val.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-about .about-cta__contact-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-mute);
}

.page-about .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .copy-btn:hover,
.page-about .copy-btn:focus-visible {
  border-color: var(--cyan);
  color: var(--fg);
}

.page-about .copy-state {
  margin: 0;
  font-size: 13px;
  color: var(--green);
  min-height: 1em;
}

/* ---------- 显现动效 ---------- */
.page-about [data-reveal] {
  opacity: 1;
  transform: none;
}

.js .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease var(--d, 0s), transform 0.5s ease var(--d, 0s);
}

.js .page-about [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 720px) {
  .page-about .about-mission__grid,
  .page-about .about-team__roles,
  .page-about .about-team__record,
  .page-about .about-eco__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-eco__card--wide {
    grid-column: 1 / -1;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: calc(var(--head-h) + 44px) 0 72px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.75fr);
    gap: 56px;
    align-items: end;
    margin-top: 28px;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-origin,
  .page-about .about-mission,
  .page-about .about-liaoning,
  .page-about .about-craft,
  .page-about .about-serial,
  .page-about .about-team,
  .page-about .about-eco {
    padding: 84px 0 88px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-about .about-mission__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-liaoning__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 56px;
  }

  .page-about .about-craft__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
  }

  .page-about .about-serial__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 48px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-team__roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-team__record {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-eco__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-eco__card--wide {
    grid-column: auto;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 64px;
    align-items: center;
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .js .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .about-serial__item,
  .page-about .about-team__tabs .tabs__tab,
  .page-about .copy-btn {
    transition: none;
  }

  .page-about .about-serial__item:hover,
  .page-about .about-serial__item:focus-within {
    transform: none;
  }
}
<<<END>>>

.page-about {
  --d: 0.3s;
}