/* ===== 品牌故事页 · page-about ===== */

.page-about {
  --about-card: rgba(26, 20, 64, .72);
  --about-card-deep: rgba(11, 10, 31, .88);
  --about-neon-glow: rgba(168, 85, 247, .30);
  --about-cyan-glow: rgba(34, 211, 238, .20);
  display: block;
  overflow-x: clip;
}

/* --- 首屏 --- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 4vw, 44px) 0 clamp(38px, 7vw, 82px);
  background:
    radial-gradient(110% 74% at 10% -12%, var(--about-neon-glow), transparent 62%),
    radial-gradient(86% 62% at 96% 2%, var(--about-cyan-glow), transparent 66%),
    var(--ink-900);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% -46% -12%;
  height: 64%;
  background: radial-gradient(58% 100% at 50% 100%, rgba(34, 211, 238, .14), transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(20px, 4vw, 40px);
  align-items: end;
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-size: clamp(29px, 6.2vw, 54px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--paper);
  text-shadow: 0 0 1px rgba(168, 85, 247, .95), 0 0 26px rgba(168, 85, 247, .34);
}

.page-about .about-hero__lead {
  margin-top: 18px;
  color: var(--paper-soft);
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-about .about-hero__stat {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--about-card);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero__stat-v {
  font-size: 20px;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-about .about-hero__stat-l {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* --- 时间线 --- */
.page-about .about-legacy {
  padding: clamp(40px, 7vw, 84px) 0 clamp(36px, 6vw, 72px);
  background:
    linear-gradient(180deg, var(--ink-900) 0%, #120d2e 46%, var(--ink-900) 100%);
}

.page-about .about-legacy__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 26px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--neon) 0%, var(--cyan) 48%, var(--gold) 100%);
  opacity: .55;
}

.page-about .about-stage {
  position: relative;
  padding-left: 68px;
}

.page-about .about-stage__num {
  position: absolute;
  left: 0;
  top: 6px;
  z-index: 1;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  border: 1px solid rgba(245, 197, 66, .48);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--gold);
  box-shadow: 0 0 20px rgba(168, 85, 247, .28);
}

.page-about .about-stage__box {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--about-card), var(--about-card-deep));
  overflow: hidden;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-about .about-stage__box[open] {
  border-color: rgba(34, 211, 238, .38);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, .08), 0 12px 34px rgba(11, 10, 31, .6);
}

.page-about .about-stage__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
}

.page-about .about-stage__summary::-webkit-details-marker {
  display: none;
}

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

.page-about .about-stage__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .about-stage__hint {
  flex: none;
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, .45);
}

.page-about .about-stage__hint::before,
.page-about .about-stage__hint::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-about .about-stage__hint::before {
  width: 11px;
  height: 1.5px;
}

.page-about .about-stage__hint::after {
  width: 1.5px;
  height: 11px;
  transition: opacity .16s var(--ease), transform .16s var(--ease);
}

.page-about .about-stage__box[open] .about-stage__hint::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(.4);
}

.page-about .about-stage__body {
  padding: 0 18px 20px;
  color: var(--paper-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-stage__body p {
  margin: 0 0 12px;
  max-width: 40em;
}

.page-about .about-stage__body p:last-child {
  margin-bottom: 0;
}

.page-about .about-stage__figure {
  margin: 16px 0 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-stage__figure .mgz-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.04);
}

.page-about .about-stage__figure .mgz-media__caption {
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(11, 10, 31, .82);
}

/* --- 房间体系 --- */
.page-about .about-rooms {
  position: relative;
  padding: clamp(44px, 8vw, 96px) 0;
  background:
    linear-gradient(102deg, rgba(168, 85, 247, .12) 0%, transparent 42%),
    var(--ink-800);
  clip-path: polygon(0 3.5%, 100% 0, 100% 96.5%, 0 100%);
  margin: 0 0 -1px;
}

.page-about .about-rooms__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-about .about-rooms__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.2;
  font-weight: 900;
  color: var(--paper);
  text-shadow: 0 0 1px rgba(34, 211, 238, .7), 0 0 22px rgba(34, 211, 238, .24);
}

.page-about .about-rooms__lead {
  margin: 16px 0 0;
  color: var(--paper-soft);
  font-size: 16px;
  line-height: 1.8;
  max-width: 36em;
}

.page-about .about-rooms__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-rooms__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: var(--radius-md);
  background: rgba(11, 10, 31, .58);
}

.page-about .about-rooms__item:nth-child(2) {
  border-left-color: var(--gold);
}

.page-about .about-rooms__item:nth-child(3) {
  border-left-color: var(--green);
}

.page-about .about-rooms__count {
  font-size: 22px;
  line-height: 1;
  color: var(--gold);
}

.page-about .about-rooms__desc {
  flex: 1 1 180px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-soft);
}

.page-about .about-rooms__figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(34, 211, 238, .28);
  box-shadow: 0 22px 60px rgba(11, 10, 31, .7);
}

.page-about .about-rooms__figure .mgz-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-rooms__figure .mgz-media__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  background: rgba(11, 10, 31, .85);
}

/* --- 榜单机制 --- */
.page-about .about-rank {
  position: relative;
  padding: clamp(44px, 8vw, 92px) 0;
  background: var(--ink-900);
}

.page-about .about-rank__head {
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-about .about-rank__tabs {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, rgba(26, 20, 64, .8), rgba(11, 10, 31, .9));
  padding: clamp(16px, 3vw, 28px);
}

.page-about .about-rank__tabs .mgz-tabs__list {
  margin-bottom: 20px;
}

.page-about .about-rank__panel {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.page-about .about-rank__panel-title {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: .01em;
}

.page-about .about-rank__panel p {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--paper-soft);
}

.page-about .about-rank__panel p:last-child {
  margin-bottom: 0;
}

/* --- 团队 --- */
.page-about .about-team {
  padding: clamp(42px, 7vw, 88px) 0;
  background:
    radial-gradient(80% 60% at 88% 0%, rgba(255, 122, 61, .13), transparent 62%),
    linear-gradient(180deg, var(--ink-900), #120d2e 60%, var(--ink-900));
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-team__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.2;
  font-weight: 900;
  color: var(--paper);
}

.page-about .about-team__lead {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-about .about-team__groups {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.page-about .about-team__group {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--about-card);
}

.page-about .about-team__group-name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--neon);
  letter-spacing: .02em;
}

.page-about .about-team__group p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 20px 54px rgba(11, 10, 31, .66);
}

.page-about .about-team__figure .mgz-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-team__figure .mgz-media__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  background: rgba(11, 10, 31, .85);
}

/* --- 回访动线 --- */
.page-about .about-routine {
  padding: clamp(44px, 8vw, 92px) 0;
  background: var(--ink-900);
}

.page-about .about-routine__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-routine__path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: about-stop;
}

.page-about .about-routine__stop {
  position: relative;
  padding: 20px 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(26, 20, 64, .72), rgba(11, 10, 31, .9));
  border-top: 2px solid var(--cyan);
}

.page-about .about-routine__stop:nth-child(2) {
  border-top-color: var(--neon);
}

.page-about .about-routine__stop:nth-child(3) {
  border-top-color: var(--gold);
}

.page-about .about-routine__stop:nth-child(4) {
  border-top-color: var(--orange);
}

.page-about .about-routine__num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-about .about-routine__name {
  margin: 8px 0 8px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-routine__stop p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-soft);
}

/* --- 下一步入口 --- */
.page-about .about-next {
  padding: clamp(42px, 7vw, 88px) 0 clamp(52px, 8vw, 104px);
  background:
    radial-gradient(90% 70% at 50% 110%, rgba(168, 85, 247, .18), transparent 66%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800));
}

.page-about .about-next__head {
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-about .about-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(11, 10, 31, .62);
  text-decoration: none;
  color: inherit;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease), transform .16s var(--ease);
}

.page-about .about-next__card:hover,
.page-about .about-next__card:focus-visible {
  border-color: var(--neon);
  box-shadow: 0 0 0 1px var(--neon), 0 16px 40px rgba(168, 85, 247, .26);
  transform: translateY(-3px);
  outline: none;
}

.page-about .about-next__card-tag {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-about .about-next__card-title {
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-next__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-next__card-more {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .02em;
}

/* --- 平板及以上 --- */
@media (min-width: 700px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-timeline::before {
    left: 27px;
  }

  .page-about .about-stage {
    padding-left: 78px;
  }

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

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

/* --- 桌面 --- */
@media (min-width: 1000px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

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

  .page-about .about-rooms__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

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

  .page-about .about-routine__path {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-routine__stop {
    min-height: 190px;
  }

  .page-about .about-next__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .page-about .about-next__card--wide {
    grid-column: span 1;
  }
}

@media (min-width: 1240px) {
  .page-about .about-next__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .95fr) minmax(0, .95fr);
  }

  .page-about .about-next__card--wide:last-child {
    grid-column: span 2;
  }
}

/* --- 大屏旋转小注释 --- */
@media (min-width: 1340px) {
  .page-about .about-legacy {
    position: relative;
  }

  .page-about .about-legacy::before {
    content: "第 6 代 · 本季度上线";
    position: absolute;
    top: 96px;
    left: max(12px, calc(50% - 660px));
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .22em;
    color: var(--muted);
    opacity: .85;
    pointer-events: none;
  }
}

/* --- 尊重减弱动效偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-next__card {
    transition: none;
  }

  .page-about .about-next__card:hover,
  .page-about .about-next__card:focus-visible {
    transform: none;
  }
}