/* ===== About 品牌档案 ===== */
.page-about {
  --about-line: rgba(245, 240, 232, 0.12);
  --about-muted: rgba(245, 240, 232, 0.64);
  --about-orange-soft: rgba(255, 90, 0, 0.14);
  position: relative;
  background-color: var(--accent-blue);
  background-image:
    linear-gradient(rgba(245, 240, 232, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 232, 0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--paper-warm);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(48px, 9vw, 96px) 0 32px;
  border-bottom: 1px solid var(--about-line);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -18%;
  width: 62%;
  height: 93%;
  background: linear-gradient(135deg, transparent 4%, var(--accent-orange) 4%, var(--accent-orange) 94%, transparent 94%);
  clip-path: polygon(36% 0, 100% 0, 100% 100%, 14% 100%);
  opacity: 0.9;
  pointer-events: none;
}

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

.page-about .page-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--about-muted);
}

.page-about .page-breadcrumb a {
  color: var(--paper-warm);
  opacity: 0.85;
  text-decoration: none;
  transition: opacity 0.25s var(--ease-out);
}

.page-about .page-breadcrumb a:hover {
  opacity: 1;
}

.page-about .about-hero__inner {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-about .about-hero__main {
  max-width: 780px;
}

.page-about .about-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-orange);
}

.page-about .about-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 1px;
  background: var(--accent-orange);
}

.page-about .about-hero__title {
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper-warm);
}

.page-about .about-hero__accent {
  display: inline;
  padding: 0 0.12em;
  background: var(--accent-orange);
  color: var(--ink-deep);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.page-about .about-hero__lede {
  max-width: 560px;
  margin-bottom: 34px;
  font-size: clamp(14px, 2vw, 17px);
  line-height: 1.8;
  color: var(--about-muted);
}

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

.page-about .about-hero .btn--ghost {
  color: var(--paper-warm);
  border-color: rgba(245, 240, 232, 0.5);
}

.page-about .about-hero .btn--ghost:hover {
  background: rgba(245, 240, 232, 0.1);
}

.page-about .about-hero__panel {
  position: relative;
  padding: 24px 22px;
  background: var(--accent-orange);
  box-shadow: var(--shadow-float);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transform: rotate(0.4deg) skewX(-1deg);
}

.page-about .about-hero__panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(28, 28, 28, 0.2);
}

.page-about .about-hero__panel-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-deep);
}

.page-about .about-hero__panel-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.32);
}

.page-about .about-hero__panel-stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(28, 28, 28, 0.72);
}

.page-about .about-hero__panel-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-bottom: 18px;
}

.page-about .about-hero__number {
  padding-left: 12px;
  border-left: 2px solid rgba(28, 28, 28, 0.22);
}

.page-about .about-hero__number-val {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.45rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink-deep);
}

.page-about .about-hero__number-val span {
  font-family: var(--font-body);
  font-size: 0.6em;
  font-weight: 600;
}

.page-about .about-hero__number-label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: rgba(28, 28, 28, 0.7);
}

.page-about .about-hero__panel-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-deep);
  opacity: 0.72;
}

.page-about .about-hero__statusline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--about-line);
  font-size: 13px;
}

.page-about .about-hero__statusline-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.18);
}

.page-about .about-hero__statusline-text {
  font-weight: 500;
}

.page-about .about-hero__statusline-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--about-muted);
}

/* ---------- 章节基础 ---------- */
.page-about .about-section {
  position: relative;
  padding: 80px 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-section__head {
  margin-bottom: 44px;
}

.page-about .about-section .panel-index {
  font-family: var(--font-mono);
  font-size: clamp(42px, 8vw, 82px);
  font-weight: 700;
  line-height: 1;
  color: rgba(245, 240, 232, 0.2);
}

.page-about .about-section .panel-title {
  color: var(--paper-warm);
}

.page-about .about-section .panel-desc {
  color: var(--about-muted);
}

/* ---------- 品牌故事 ---------- */
.page-about .about-story::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(245, 240, 232, 0.045) 0, rgba(245, 240, 232, 0.045) 1px, transparent 1px, transparent 88px);
  pointer-events: none;
}

.page-about .about-story .container {
  position: relative;
  z-index: 1;
}

.page-about .about-story__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-story__copy {
  max-width: 680px;
}

.page-about .about-story__copy p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 240, 232, 0.84);
}

.page-about .about-story__lead {
  font-size: 18px !important;
  font-weight: 500;
  line-height: 1.7 !important;
  color: var(--paper-warm) !important;
}

.page-about .about-key {
  position: relative;
  color: var(--paper-warm);
  font-weight: 700;
  white-space: nowrap;
}

.page-about .about-key::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 8px;
  z-index: -1;
  background: rgba(255, 90, 0, 0.35);
}

.page-about .about-story__linkrow {
  margin-top: 28px !important;
}

.page-about .about-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 0, 0.4);
  transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
  white-space: normal;
}

.page-about .about-inline-link:hover {
  border-bottom-color: var(--accent-orange);
  color: var(--paper-warm);
}

.page-about .about-inline-link span[aria-hidden="true"] {
  transition: transform 0.25s var(--ease-out);
}

.page-about .about-inline-link:hover span[aria-hidden="true"] {
  transform: translateX(4px);
}

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

.page-about .about-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
}

.page-about .about-figure__cap {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--about-muted);
}

/* ---------- 数据规模 ---------- */
.page-about .about-scale {
  background: linear-gradient(180deg, rgba(255, 90, 0, 0.1), transparent 40%), linear-gradient(180deg, rgba(245, 240, 232, 0.04), transparent 70%);
}

.page-about .about-scale__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

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

.page-about .about-meter {
  padding: 20px 18px;
  background: rgba(245, 240, 232, 0.07);
  border: 1px solid rgba(245, 240, 232, 0.14);
  border-radius: var(--radius-md);
  transition: background-color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-about .about-meter:hover {
  background: rgba(245, 240, 232, 0.1);
  border-color: rgba(255, 90, 0, 0.55);
}

.page-about .about-meter__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--about-muted);
}

.page-about .about-meter__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 700;
  line-height: 1;
  color: var(--paper-warm);
}

.page-about .about-meter__unit {
  margin-left: 2px;
  font-family: var(--font-body);
  font-size: 0.58em;
  font-weight: 600;
  color: rgba(245, 240, 232, 0.72);
}

.page-about .about-meter__bar {
  display: block;
  height: 6px;
  margin-top: 16px;
  margin-bottom: 10px;
  background: rgba(245, 240, 232, 0.12);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.page-about .about-meter__bar > span {
  display: block;
  height: 100%;
  background: var(--accent-orange);
  border-radius: var(--radius-pill);
}

.page-about .about-meter--green .about-meter__bar > span {
  background: var(--accent-green);
}

.page-about .about-meter__hint {
  font-size: 12px;
  color: rgba(245, 240, 232, 0.5);
}

.page-about .about-scale__note {
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent-orange);
  background: var(--about-orange-soft);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.82);
}

.page-about .about-scale__note p {
  margin: 0;
}

/* ---------- 里程碑时间线 ---------- */
.page-about .about-milestones {
  background:
    linear-gradient(180deg, transparent, rgba(245, 240, 232, 0.03) 30%, transparent 100%);
}

.page-about .about-timeline {
  display: grid;
  gap: 0;
}

.page-about .about-timeline__row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding-bottom: 48px;
}

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

.page-about .about-timeline__rail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
}

.page-about .about-timeline__year {
  flex: none;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3.4vw, 1.85rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper-warm);
  background: var(--accent-orange);
  border-radius: var(--radius-sm);
}

.page-about .about-timeline__node {
  display: flex;
  flex: none;
  color: var(--accent-orange);
}

.page-about .about-timeline__line {
  flex: 1;
  min-height: 48px;
  width: 1px;
  margin-left: 11px;
  background: linear-gradient(to bottom, rgba(255, 90, 0, 0.45), rgba(245, 240, 232, 0.08));
}

.page-about .about-timeline__content {
  padding-top: 6px;
  padding-bottom: 6px;
}

.page-about .about-timeline__version {
  display: inline-block;
  margin-bottom: 10px;
  padding: 1px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-deep);
  background: var(--paper-warm);
  border-radius: var(--radius-pill);
}

.page-about .about-timeline__heading {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 800;
  color: var(--paper-warm);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.72);
}

.page-about .about-legacy-note {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 48px;
  padding: 20px;
  background: var(--about-orange-soft);
  border: 1px solid rgba(255, 90, 0, 0.3);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.82);
}

.page-about .about-legacy-note p {
  margin: 0;
}

.page-about .about-legacy-note__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-orange);
}

/* ---------- 资质荣誉 ---------- */
.page-about .about-honors__grid {
  display: grid;
  gap: 18px;
}

.page-about .about-honor-card {
  position: relative;
  padding: 24px 22px;
  background: var(--card-bg);
  border: 1px solid rgba(28, 28, 28, 0.06);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-honor-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.page-about .about-honor-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 90, 0, 0.6) 50%);
}

.page-about .about-honor-card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.page-about .about-honor-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--accent-orange);
  border: 1px solid rgba(255, 90, 0, 0.3);
  border-radius: var(--radius-md);
  background: rgba(255, 90, 0, 0.08);
}

.page-about .about-honor-card__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(106, 98, 89, 0.8);
}

.page-about .about-honor-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-deep);
}

.page-about .about-honor-card__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted-text);
}

/* ---------- 团队与文化 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-team__content p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245, 240, 232, 0.84);
}

.page-about .about-team__quote {
  margin: 28px 0 0;
  padding: 18px 20px;
  background: rgba(245, 240, 232, 0.08);
  border-left: 3px solid var(--accent-orange);
}

.page-about .about-team__quote p {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--paper-warm);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .about-timeline__row {
    grid-template-columns: 120px 1fr;
    gap: 22px;
  }

  .page-about .about-scale__board {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-about .about-legacy-note {
    flex-direction: row;
    align-items: flex-start;
  }
}

@media (min-width: 760px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1fr 420px;
    gap: 48px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: 6fr 5fr;
  }

  .page-about .about-hero__statusline {
    justify-content: space-between;
  }

  .page-about .about-timeline__row {
    grid-template-columns: 160px 1fr;
    gap: 26px;
  }
}

@media (min-width: 960px) {
  .page-about .about-story__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-about .about-scale__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-about .about-team__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

  .page-about .about-honors__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-timeline__row {
    grid-template-columns: 190px 1fr;
    gap: 30px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .page-about .about-hero__panel,
  .page-about .about-honor-card:hover {
    transform: none;
  }
}