/* ===== 品牌概况页 · 页面专属样式 ===== */
.page-about {
  --about-line: rgba(10, 30, 60, 0.14);
  --about-violet-soft: rgba(128, 90, 213, 0.07);
  --about-blue-soft: rgba(0, 191, 255, 0.08);
  --about-slash: linear-gradient(135deg, rgba(230, 57, 70, 0.08) 25%, transparent 25%) 0 0 / 18px 18px;
  --about-red-soft: rgba(230, 57, 70, 0.06);
}

.page-about section[id] {
  scroll-margin-top: 96px;
}

/* ---- 页面首屏 ---- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-about .about-hero__main {
  position: relative;
  background: radial-gradient(circle at 90% 0%, var(--about-blue-soft) 0%, transparent 60%);
}

.page-about .page-hero-kicker {
  position: relative;
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 14px;
}

.page-about .page-hero-kicker::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  margin-top: 10px;
  background: var(--color-red);
}

.page-about .page-hero-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--color-navy);
  text-wrap: balance;
}

.page-about .lead {
  margin: 20px 0 0;
  max-width: 46em;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--color-ink);
}

.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .about-hero__side {
  display: grid;
  gap: 18px;
}

.page-about .about-hero__card,
.page-about .about-toc {
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid rgba(10, 30, 60, 0.08);
}

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

.page-about .about-hero__card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  background: var(--about-slash);
  pointer-events: none;
}

.page-about .about-hero__card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-hero__card-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0 0;
}

.page-about .about-fact {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(10, 30, 60, 0.07);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}

.page-about .about-fact dt {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.page-about .about-fact dd {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
}

/* ---- 快速目录 ---- */
.page-about .about-toc {
  background: rgba(255, 255, 255, 0.82);
}

.page-about .about-toc__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}

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

.page-about .about-toc__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.9375rem;
  background: transparent;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, padding-left 0.2s ease;
}

.page-about .about-toc__link::before {
  content: "";
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-blue);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-about .about-toc__link::after {
  content: "→";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--color-muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-about .about-toc__link:hover {
  background: rgba(10, 30, 60, 0.04);
  border-color: rgba(230, 57, 70, 0.16);
  color: var(--color-red);
  padding-left: 16px;
}

.page-about .about-toc__link:hover::before {
  opacity: 1;
}

.page-about .about-toc__link:hover::after {
  color: var(--color-red);
  transform: translateX(3px);
}

/* ---- 品牌故事 ---- */
.page-about .about-story__grid {
  display: grid;
  gap: 32px;
}

.page-about .section-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-red);
  margin: 0 0 10px;
}

.page-about .section-title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  color: var(--color-navy);
}

.page-about .about-story__text .prose {
  margin-top: 16px;
}

.page-about .about-story__text .prose p {
  margin: 0 0 16px;
  line-height: 1.9;
  color: var(--color-ink);
}

.page-about .about-quote {
  position: relative;
  margin: 28px 0 0;
  padding: 22px 24px 20px;
  background: var(--color-navy);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .about-quote::before {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -34px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, transparent 45%, rgba(57, 255, 20, 0.22) 45%, rgba(57, 255, 20, 0.22) 50%, transparent 50%);
}

.page-about .about-quote p {
  margin: 0;
  color: #fff;
  font-size: 1.05rem;
  line-height: 1.7;
}

.page-about .about-quote cite {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8125rem;
  font-style: normal;
}

.page-about .about-story__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
}

.page-about .about-story__media img,
.page-about .about-region__media img,
.page-about .about-honors__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---- 直营版里程碑 ---- */
.page-about .about-milestone {
  background: linear-gradient(180deg, rgba(10, 30, 60, 0.025) 0%, rgba(230, 57, 70, 0.035) 100%);
  border-top: 1px solid rgba(10, 30, 60, 0.05);
  border-bottom: 1px solid rgba(10, 30, 60, 0.05);
}

.page-about .about-milestone__lead {
  margin: -12px 0 32px;
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 40em;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 28px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-navy);
  box-shadow: 0 0 0 4px rgba(10, 30, 60, 0.08);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 32px;
  bottom: -28px;
  width: 2px;
  background: var(--about-line);
}

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

.page-about .about-timeline__item:hover::before {
  background: var(--color-red);
  box-shadow: 0 0 0 6px rgba(230, 57, 70, 0.14);
}

.page-about .about-timeline__year {
  font-family: var(--font-head);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--color-navy);
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-about .about-timeline__item:hover .about-timeline__year {
  color: var(--color-red);
  transform: translateX(-3px);
}

.page-about .about-timeline__card {
  margin-top: 12px;
  background: var(--color-white);
  border: 1px solid rgba(10, 30, 60, 0.07);
  border-left: 4px solid transparent;
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translateY(-4px);
  border-left-color: var(--color-red);
  box-shadow: 0 18px 38px rgba(10, 30, 60, 0.12);
}

.page-about .about-timeline__item--current .about-timeline__card {
  border-left-color: var(--color-green);
}

.page-about .about-timeline__item--current:hover .about-timeline__card {
  border-left-color: var(--color-green);
}

.page-about .about-timeline__heading {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--color-navy);
}

.page-about .about-timeline__card p {
  margin: 0 0 14px;
  line-height: 1.85;
  color: var(--color-ink);
}

/* ---- 地域特色 ---- */
.page-about .about-region__grid {
  position: relative;
}

.page-about .about-region__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 8 / 5;
}

.page-about .about-region__content {
  position: static;
  width: 100%;
  margin-top: 18px;
  padding: 26px 24px 24px;
  background-color: rgba(255, 255, 255, 0.9);
  background-image:
    linear-gradient(45deg, var(--about-violet-soft) 25%, transparent 25%),
    linear-gradient(-45deg, var(--about-violet-soft) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--about-violet-soft) 75%),
    linear-gradient(-45deg, transparent 75%, var(--about-violet-soft) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 18px 40px rgba(10, 30, 60, 0.12);
}

.page-about .about-region__content .prose p {
  color: var(--color-ink);
  line-height: 1.9;
  margin: 0 0 14px;
}

.page-about .about-region__points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-region__points li {
  padding: 7px 14px;
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  line-height: 1.4;
}

/* ---- 资质与荣誉 ---- */
.page-about .about-honors__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-honors__cards {
  display: grid;
  gap: 16px;
}

.page-about .card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid rgba(10, 30, 60, 0.07);
  box-shadow: var(--shadow-card);
}

.page-about .about-award {
  border-top: 4px solid var(--color-violet);
}

.page-about .about-team {
  border-top: 4px solid var(--color-red);
}

.page-about .about-partner {
  border-top: 4px solid var(--color-blue);
}

.page-about .about-award__title,
.page-about .about-team__title,
.page-about .about-partner__title {
  margin: 14px 0 8px;
  font-family: var(--font-head);
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--color-navy);
}

.page-about .about-award__desc,
.page-about .about-team__desc,
.page-about .about-partner__desc {
  margin: 0;
  color: var(--color-ink);
  line-height: 1.8;
  font-size: 0.9375rem;
}

.page-about .about-honors__right {
  display: grid;
  gap: 18px;
}

.page-about .about-honors__media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 7 / 4;
}

.page-about .about-honors__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-about .about-stat {
  background: var(--color-navy);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  color: #fff;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(10, 30, 60, 0.22);
}

.page-about .about-stat::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 60px;
  height: 60px;
  background: rgba(57, 255, 20, 0.09);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-green);
  line-height: 1;
}

.page-about .about-stat__unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.72);
}

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

.page-about .about-honors__note {
  margin: 6px 0 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.7;
  border-left: 3px solid var(--color-green);
  padding-left: 14px;
}

/* ---- 底部转化区 ---- */
.page-about .about-next__box {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--color-navy);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: #fff;
}

.page-about .about-next__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.5rem;
  line-height: 1.2;
  color: #fff;
}

.page-about .about-next__copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  font-size: 0.9375rem;
}

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

/* ---- 平板与桌面 ---- */
@media (min-width: 768px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 3fr) minmax(280px, 2fr);
    gap: 48px;
  }

  .page-about .about-hero__side {
    position: sticky;
    top: 96px;
  }

  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: center;
  }

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

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 140px 1fr;
    column-gap: 40px;
    padding-left: 0;
    align-items: start;
    margin-bottom: 44px;
  }

  .page-about .about-timeline__item::before {
    left: 154px;
    top: 18px;
  }

  .page-about .about-timeline__item::after {
    left: 159px;
    top: 42px;
    bottom: -44px;
  }

  .page-about .about-timeline__year {
    text-align: right;
    font-size: 3.1rem;
    padding-top: 12px;
  }

  .page-about .about-timeline__card {
    margin-top: 0;
  }

  .page-about .about-region__content {
    position: absolute;
    right: 24px;
    bottom: 28px;
    width: 54%;
    max-width: 560px;
    margin: 0;
    padding: 32px 28px;
  }

  .page-about .about-honors__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-next__box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 36px 40px;
  }

  .page-about .about-next__copy {
    max-width: 34em;
  }

  .page-about .about-next__actions {
    justify-content: flex-end;
    flex-shrink: 0;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    gap: 72px;
  }

  .page-about .about-story__grid {
    gap: 80px;
  }

  .page-about .about-region__content {
    width: 50%;
    bottom: 32px;
  }

  .page-about .about-honors__grid {
    gap: 64px;
  }
}