/* ===================== 品牌故事页专属样式 ===================== */
.page-about {
  background: var(--color-bg-light);
  color: var(--color-text);
}

/* ---------- 首屏品牌区 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(74, 59, 140, 0.6), transparent 42%),
    radial-gradient(circle at 12% 88%, rgba(255, 90, 54, 0.22), transparent 42%),
    var(--color-bg-darker);
  color: var(--color-white);
  padding: 136px 0 96px;
}
.page-about .about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 42%, rgba(255, 255, 255, 0.05) 50%, transparent 58%),
    linear-gradient(295deg, transparent 55%, rgba(0, 210, 122, 0.06) 62%, transparent 70%);
  pointer-events: none;
}
.page-about .about-hero::after {
  content: 'V4.7';
  position: absolute;
  right: -0.06em;
  bottom: -0.28em;
  font-family: var(--font-data);
  font-weight: 800;
  font-size: clamp(120px, 24vw, 340px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.12);
  pointer-events: none;
  user-select: none;
}
.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}
.page-about .about-hero__breadcrumb {
  margin-bottom: 48px;
}
.page-about .about-hero__breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
}
.page-about .about-hero__breadcrumb a,
.page-about .about-hero__breadcrumb span {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.88rem;
}
.page-about .about-hero__breadcrumb a:hover {
  color: var(--color-white);
}
.page-about .about-hero__breadcrumb [aria-current='page'] {
  color: var(--color-accent);
}
.page-about .about-hero__breadcrumb li + li::before {
  content: '/';
  margin-right: 10px;
  color: rgba(255, 255, 255, 0.4);
}
.page-about .about-hero__kicker {
  font-family: var(--font-data);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin: 0 0 20px;
}
.page-about .about-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 20em;
}
.page-about .about-hero__lead {
  margin: 0 0 40px;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 46em;
}
.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin: 0;
  padding: 0;
}
.page-about .about-hero__fact {
  display: grid;
  gap: 4px;
}
.page-about .about-hero__fact dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
}
.page-about .about-hero__fact dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
}

/* ---------- 章节目录 ---------- */
.page-about .about-index-wrap {
  position: relative;
  z-index: 2;
  margin-top: -44px;
  margin-bottom: 96px;
}
.page-about .about-index {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: 0 14px 40px rgba(6, 15, 43, 0.14);
}
.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.page-about .about-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--color-bg-light);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.page-about .about-index a:hover {
  background: #e4ebf3;
  transform: translateY(-2px);
}
.page-about .about-index__num {
  font-family: var(--font-data);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ---------- 章节通用 ---------- */
.page-about .about-chapter {
  padding: 88px 0;
}
.page-about .about-chapter--dark {
  position: relative;
  background: var(--color-bg-dark);
  color: var(--color-white);
}
.page-about .about-chapter--dark::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0 18px,
    rgba(255, 255, 255, 0.03) 18px 19px
  );
  pointer-events: none;
}
.page-about .about-chapter--light {
  background: var(--color-bg-light);
  color: var(--color-text);
}
.page-about .about-chapter--close {
  background: var(--color-bg-darker);
  color: var(--color-white);
}
.page-about .about-chapter__inner {
  position: relative;
  z-index: 1;
}
.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
  margin-bottom: 48px;
}
.page-about .about-chapter--dark .about-chapter__head,
.page-about .about-chapter--close .about-chapter__head {
  border-bottom-color: rgba(255, 255, 255, 0.16);
}
.page-about .about-chapter__num {
  font-family: var(--font-data);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 90, 54, 0.5);
  -webkit-text-stroke: 1px rgba(255, 90, 54, 0.72);
}
.page-about .about-chapter__title {
  margin: 0;
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  letter-spacing: -0.02em;
  font-weight: 900;
}

/* ---------- 01 起源 ---------- */
.page-about .about-origin-grid {
  display: grid;
  gap: 48px;
}
.page-about .about-origin__text p {
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 16px;
}
.page-about .about-origin__lead {
  font-size: 1.08rem;
  line-height: 1.9;
  margin: 0 0 16px;
}
.page-about .about-origin__points {
  list-style: none;
  margin: 32px 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-about .about-origin__points li {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: grid;
  gap: 8px;
}
.page-about .about-origin__points strong {
  font-size: 1rem;
  color: var(--color-white);
}
.page-about .about-origin__points span {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}
.page-about .about-quote-block {
  margin: 28px 0 0;
  padding: 16px 20px 16px 24px;
  border-left: 4px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.8;
}
.page-about .about-origin__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 52px rgba(6, 15, 43, 0.28);
}
.page-about .about-origin__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-origin__figure figcaption {
  padding: 12px 16px;
  font-size: 0.8rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- 02 里程碑 ---------- */
.page-about .about-milestone-grid {
  display: grid;
  gap: 44px;
}
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-about .about-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--color-border);
}
.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 28px 34px;
}
.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-accent);
}
.page-about .about-timeline__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.page-about .about-timeline__year {
  font-family: var(--font-data);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}
.page-about .about-timeline__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.page-about .about-timeline__card:hover {
  border-color: rgba(255, 90, 54, 0.4);
  box-shadow: 0 6px 18px rgba(10, 26, 63, 0.06);
}
.page-about .about-timeline__card summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 700;
  color: var(--color-text);
}
.page-about .about-timeline__card summary::-webkit-details-marker {
  display: none;
}
.page-about .about-timeline__card summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}
.page-about .about-timeline__card summary::after {
  content: '+';
  color: var(--color-accent);
  font-family: var(--font-data);
  font-size: 1.2rem;
  transition: transform var(--transition-fast);
}
.page-about .about-timeline__card[open] summary::after {
  transform: rotate(45deg);
}
.page-about .about-timeline__card p {
  margin: 12px 0 0;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
}
.page-about .about-milestone-grid__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 40px rgba(6, 15, 43, 0.08);
}
.page-about .about-milestone-grid__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-milestone-grid__figure figcaption {
  padding: 12px 16px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  background: var(--color-white);
}

/* ---------- 03 数据生态 ---------- */
.page-about .about-eco__lead {
  max-width: 56em;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 36px;
}
.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.page-about .stat--card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-about .stat__value {
  font-family: var(--font-data);
  font-size: clamp(1.8rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-white);
}
.page-about .stat__value--green {
  color: var(--color-accent-alt);
}
.page-about .stat__value--orange {
  color: var(--color-accent);
}
.page-about .stat__label {
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.68);
}
.page-about .about-eco-grid {
  display: grid;
  gap: 16px;
}
.page-about .about-eco-panel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.page-about .about-eco-panel h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
}
.page-about .about-eco-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .about-eco-panel li {
  position: relative;
  padding-left: 16px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.75;
  font-size: 0.92rem;
}
.page-about .about-eco-panel li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- 04 团队与理念 ---------- */
.page-about .about-team-grid {
  display: grid;
  gap: 48px;
}
.page-about .about-team__lead {
  font-size: 1.05rem;
  line-height: 1.9;
  margin: 0 0 24px;
}
.page-about .about-team__values {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .about-team__values li {
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: grid;
  gap: 8px;
}
.page-about .about-team__values strong {
  font-size: 1rem;
  color: var(--color-text);
}
.page-about .about-team__values span {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}
.page-about .about-quote-block--wine {
  border-left-color: var(--color-accent-wine);
  background: var(--color-white);
  color: var(--color-text);
  margin-top: 0;
}
.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 40px rgba(6, 15, 43, 0.08);
}
.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-team__figure figcaption {
  padding: 12px 16px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  background: var(--color-white);
}

/* ---------- 05 续章 ---------- */
.page-about .about-next__grid {
  display: grid;
  gap: 16px;
}
.page-about .about-next__card {
  display: grid;
  gap: 12px;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--color-white);
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.page-about .about-next__card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
.page-about .about-next__kick {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.page-about .about-next__card strong {
  font-size: 1.25rem;
}
.page-about .about-next__card span:last-child {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
  font-size: 0.92rem;
}
.page-about .about-close__note {
  margin: 48px 0 0;
  text-align: center;
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 平板与桌面增强 ---------- */
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 168px 0 116px;
  }
  .page-about .about-index__list {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-eco-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-next__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-chapter {
    padding: 100px 0;
  }
}

@media (min-width: 960px) {
  .page-about .about-origin-grid {
    grid-template-columns: 7fr 5fr;
    gap: 64px;
    align-items: start;
  }
  .page-about .about-origin__figure {
    margin-top: 24px;
  }
  .page-about .about-milestone-grid {
    grid-template-columns: 7fr 4fr;
    gap: 64px;
    align-items: start;
  }
  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
  }
}