.page-about {
  --about-rule: rgba(201, 162, 75, .28);
  --about-dim: rgba(248, 241, 231, .68);
  --about-dim-soft: rgba(248, 241, 231, .52);
  background:
    radial-gradient(1100px 520px at 84% -8%, rgba(142, 27, 44, .48), transparent 68%),
    radial-gradient(760px 420px at 6% 38%, rgba(107, 15, 26, .34), transparent 72%),
    var(--mg-black);
  color: var(--mg-cream);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-about .mg-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mg-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--about-dim-soft);
}

.page-about .mg-breadcrumb__list a {
  color: var(--about-dim-soft);
  text-decoration: none;
  transition: color .25s ease;
}

.page-about .mg-breadcrumb__list a:hover,
.page-about .mg-breadcrumb__list a:focus-visible {
  color: var(--mg-gold);
}

.page-about .mg-breadcrumb__sep {
  color: rgba(201, 162, 75, .55);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: clamp(26px, 5vw, 68px) 0 clamp(34px, 6vw, 84px);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-about .about-hero__title {
  margin: 18px 0 0;
  font-family: var(--mg-serif);
  font-weight: 500;
  font-size: clamp(33px, 6.2vw, 74px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--mg-cream);
  text-wrap: balance;
}

.page-about .about-hero__hi {
  color: var(--mg-gold);
  box-shadow: inset 0 -.16em 0 rgba(201, 162, 75, .16);
}

.page-about .about-hero__lede {
  margin-top: 22px;
  max-width: 56ch;
  color: var(--about-dim);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 14px;
  border-left: 1px solid var(--about-rule);
}

.page-about .about-hero__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--about-dim-soft);
}

.page-about .about-hero__val {
  font-family: var(--mg-mono);
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--mg-gold);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  background: var(--mg-shadow);
  border: 1px solid var(--about-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.55) contrast(1.1) brightness(.9);
}

.page-about .about-hero__figure .mg-media__cap {
  display: block;
  padding: 12px 16px 14px;
  font-family: var(--mg-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.7;
  color: var(--about-dim-soft);
  background: rgba(59, 7, 13, .72);
}

/* ---------- 关键数字条 ---------- */
.page-about .about-stats {
  padding: clamp(30px, 5vw, 58px) 0;
  background: linear-gradient(100deg, var(--mg-red) 0%, var(--mg-shadow) 58%, var(--mg-black) 100%);
  border-top: 1px solid var(--about-rule);
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-stats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(22px, 3.4vw, 40px);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding-left: 16px;
  border-left: 1px solid var(--about-rule);
}

.page-about .about-stat__num {
  font-family: var(--mg-mono);
  font-size: clamp(25px, 3.4vw, 38px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--mg-gold);
}

.page-about .about-stat__unit {
  margin-left: 4px;
  font-family: var(--mg-sans);
  font-size: .44em;
  letter-spacing: .04em;
  color: rgba(201, 162, 75, .74);
}

.page-about .about-stat__label {
  font-size: 13px;
  line-height: 1.7;
  color: var(--about-dim);
}

/* ---------- 通用小节标题 ---------- */
.page-about .about-head {
  max-width: 64ch;
  margin-bottom: clamp(28px, 4.4vw, 54px);
}

.page-about .about-head .mg-h2,
.page-about .about-next__title {
  margin-top: 14px;
  color: var(--mg-cream);
}

.page-about .about-head .mg-lede {
  margin-top: 16px;
  color: var(--about-dim);
}

/* ---------- 品牌沿革时间轴 ---------- */
.page-about .about-tl {
  position: relative;
  margin: 0;
  padding: 4px 0 4px 30px;
  list-style: none;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--mg-gold) 0%, rgba(201, 162, 75, .4) 42%, rgba(201, 162, 75, .06) 100%);
}

.page-about .about-tl__item {
  position: relative;
  padding-bottom: clamp(30px, 4.6vw, 52px);
}

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

.page-about .about-tl__dot {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 11px;
  height: 11px;
  transform: translateX(-50%) rotate(45deg);
  background: var(--mg-gold);
  box-shadow: 0 0 14px rgba(201, 162, 75, .55);
  transition: background-color .3s ease, box-shadow .3s ease;
}

.page-about .about-tl__item:hover .about-tl__dot,
.page-about .about-tl__item:focus-within .about-tl__dot {
  background: var(--mg-jade);
  box-shadow: 0 0 18px rgba(47, 127, 122, .7);
}

.page-about .about-tl__year {
  display: block;
  font-family: var(--mg-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mg-graygold);
}

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

.page-about .about-tl__body h3 {
  margin: 0 0 8px;
  font-family: var(--mg-serif);
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 500;
  color: var(--mg-cream);
}

.page-about .about-tl__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.86;
  color: var(--about-dim);
}

.page-about .about-chronicle__figure {
  margin: clamp(34px, 5vw, 66px) 0 0;
  border-top: 1px solid var(--about-rule);
  padding-top: clamp(20px, 3vw, 32px);
}

.page-about .about-chronicle__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.5) contrast(1.12) brightness(.88);
}

.page-about .about-chronicle__figure .mg-media__cap {
  display: block;
  margin-top: 12px;
  font-family: var(--mg-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--about-dim-soft);
}

/* ---------- 六大类索引 ---------- */
.page-about .about-catalog {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-catalog .mg-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 18px;
  align-items: start;
  margin: 0;
  padding: clamp(20px, 2.6vw, 30px) 14px;
  border-bottom: 1px solid var(--about-rule);
  border-left: 2px solid transparent;
  transition: border-color .3s ease, background-color .3s ease;
}

.page-about .about-catalog .mg-index__item:hover,
.page-about .about-catalog .mg-index__item:focus-within {
  border-left-color: var(--mg-gold);
  background: rgba(142, 27, 44, .18);
}

.page-about .about-catalog .mg-index__num {
  padding-top: 5px;
  font-family: var(--mg-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mg-graygold);
}

.page-about .about-catalog .mg-index__title {
  margin: 0 0 7px;
  font-family: var(--mg-serif);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 500;
  color: var(--mg-cream);
}

.page-about .about-catalog .mg-index__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-dim);
}

/* ---------- 团队 ---------- */
.page-about .about-team__inner {
  display: grid;
  gap: clamp(30px, 4.5vw, 58px);
}

.page-about .about-team__bars {
  display: grid;
  gap: 17px;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team__bar {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) 58px;
  align-items: center;
  gap: 14px;
}

.page-about .about-team__label {
  font-size: 13px;
  color: rgba(248, 241, 231, .78);
}

.page-about .about-team__track {
  display: block;
  height: 8px;
  overflow: hidden;
  background: rgba(248, 241, 231, .09);
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-about .about-team__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--mg-wine), var(--mg-gold));
}

.page-about .about-team__fill--45 { width: 37.5%; }
.page-about .about-team__fill--32 { width: 26.7%; }
.page-about .about-team__fill--28 { width: 23.3%; }
.page-about .about-team__fill--15 { width: 12.5%; }

.page-about .about-team__value {
  font-family: var(--mg-mono);
  font-size: 13px;
  letter-spacing: .04em;
  text-align: right;
  color: var(--mg-gold);
}

.page-about .about-team__figure {
  margin: 0;
  background: var(--mg-shadow);
  border: 1px solid var(--about-rule);
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.5) contrast(1.1) brightness(.9);
}

/* ---------- 资质 ---------- */
.page-about .about-credits__grid {
  gap: clamp(16px, 2.6vw, 28px);
}

.page-about .about-credit {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px) clamp(20px, 2.6vw, 30px);
  background: linear-gradient(160deg, rgba(142, 27, 44, .38), rgba(16, 16, 16, .58));
  border-top: 2px solid var(--mg-gold);
}

.page-about .about-credit__code {
  font-family: var(--mg-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mg-jade);
}

.page-about .about-credit h3 {
  margin: 0;
  font-family: var(--mg-serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--mg-cream);
}

.page-about .about-credit p {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--about-dim);
}

/* ---------- 覆盖与合作 ---------- */
.page-about .about-reach__inner {
  display: grid;
  gap: clamp(30px, 4.4vw, 56px);
}

.page-about .about-reach__lead .mg-note {
  display: block;
  margin-top: 20px;
  padding-left: 16px;
  border-left: 2px solid var(--mg-jade);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(248, 241, 231, .74);
}

.page-about .about-reach__facts {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-fact {
  display: grid;
  grid-template-columns: minmax(0, 108px) minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-fact dt {
  font-family: var(--mg-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mg-graygold);
}

.page-about .about-fact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(248, 241, 231, .88);
}

/* ---------- 版本节奏 ---------- */
.page-about .about-cycle {
  display: grid;
  gap: clamp(26px, 3.4vw, 40px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-cycle__item {
  position: relative;
  padding: 26px 0 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-cycle__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--mg-gold);
  transition: width .35s ease;
}

.page-about .about-cycle__item:hover::before,
.page-about .about-cycle__item:focus-within::before {
  width: 96px;
}

.page-about .about-cycle__key {
  display: block;
  font-family: var(--mg-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mg-graygold);
}

.page-about .about-cycle__item h3 {
  margin: 10px 0 8px;
  font-family: var(--mg-serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--mg-cream);
}

.page-about .about-cycle__item p {
  margin: 0;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--about-dim);
}

/* ---------- 延伸入口 ---------- */
.page-about .about-next {
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-about .about-next__links {
  display: grid;
  gap: 0;
  margin-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--about-rule);
}

.page-about .about-next__link {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 16px;
  padding: clamp(18px, 2.4vw, 26px) 4px;
  border-bottom: 1px solid var(--about-rule);
  text-decoration: none;
  color: inherit;
  transition: background-color .3s ease, color .3s ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: rgba(142, 27, 44, .2);
}

.page-about .about-next__no {
  font-family: var(--mg-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mg-graygold);
}

.page-about .about-next__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-next__name {
  font-family: var(--mg-serif);
  font-size: clamp(18px, 2.1vw, 22px);
  font-weight: 500;
  color: var(--mg-cream);
}

.page-about .about-next__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--about-dim-soft);
}

.page-about .about-next__go {
  font-family: var(--mg-mono);
  font-size: 16px;
  color: var(--mg-gold);
  opacity: .5;
  transition: opacity .3s ease, transform .3s ease;
}

.page-about .about-next__link:hover .about-next__go,
.page-about .about-next__link:focus-visible .about-next__go {
  opacity: 1;
  transform: translateX(4px);
}

/* ---------- 揭示动效 ---------- */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .about-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 60px);
  }

  .page-about .about-catalog .mg-index__item:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--about-rule);
  }
}

@media (min-width: 860px) {
  .page-about .about-stats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: center;
  }

  .page-about .about-hero__figure img {
    aspect-ratio: 4 / 5;
  }

  .page-about .about-tl {
    padding-left: 168px;
  }

  .page-about .about-tl::before {
    left: 112px;
  }

  .page-about .about-tl__item {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    column-gap: 40px;
    align-items: start;
  }

  .page-about .about-tl__year {
    padding-top: 5px;
    text-align: right;
  }

  .page-about .about-tl__dot {
    left: -56px;
    top: 10px;
  }

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

  .page-about .about-team__inner {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    align-items: center;
    gap: clamp(40px, 5vw, 76px);
  }

  .page-about .about-reach__inner {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
    gap: clamp(44px, 6vw, 96px);
  }
}

@media (min-width: 760px) {
  .page-about .about-cycle {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 3.2vw, 46px);
  }

  .page-about .about-cycle__item:nth-child(2) {
    margin-top: 26px;
  }

  .page-about .about-cycle__item:nth-child(3) {
    margin-top: 52px;
  }

  .page-about .about-next__body {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
  }
}

@media (max-width: 559px) {
  .page-about .about-team__bar {
    grid-template-columns: minmax(0, 1fr) 58px;
    grid-template-areas:
      "label value"
      "track track";
    row-gap: 8px;
  }

  .page-about .about-team__label { grid-area: label; }
  .page-about .about-team__value { grid-area: value; }
  .page-about .about-team__track { grid-area: track; }

  .page-about .about-fact {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .about-next__go,
  .page-about .about-cycle__item::before {
    transition: none;
  }
}