/* ===== 品牌档案页 · 页面专属样式 ===== */

.page-about {
  --about-rail: 130px;
  --about-card: rgba(11, 36, 71, .55);
  background: var(--sea);
}

/* --- 页面上下文 --- */
.page-about .about-context {
  padding-top: 20px;
}

.page-about .about-context__sep {
  margin: 0 8px;
  color: var(--mist);
}

/* --- 刊头引言 --- */
.page-about .about-lede {
  display: grid;
  gap: 30px;
  padding-top: 26px;
  padding-bottom: 52px;
}

.page-about .about-kicker {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--cyan);
}

.page-about .about-kicker .num {
  margin-right: 6px;
  color: var(--lava);
}

.page-about .about-lede h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.6vw, 56px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-about .about-lede__lead {
  margin: 22px 0 0;
  font-size: clamp(15px, 2.6vw, 17.5px);
  line-height: 1.92;
  color: var(--silver);
}

.page-about .about-lede__body {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--mist);
}

.page-about .about-brief {
  margin: 30px 0 0;
  border-top: 1px solid var(--hairline);
}

.page-about .about-brief__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-brief dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
  white-space: nowrap;
}

.page-about .about-brief dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  text-align: right;
}

.page-about .about-lede__media,
.page-about .about-media,
.page-about .about-boundary__media {
  margin: 0;
}

.page-about .about-lede__media figcaption,
.page-about .about-media figcaption,
.page-about .about-boundary__media figcaption {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .media-frame {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- 章节索引 --- */
.page-about .about-index {
  padding-top: 0;
  padding-bottom: 0;
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-about .about-index__item {
  border-top: 1px solid var(--hairline);
}

.page-about .about-index__item a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-height: 44px;
  padding: 15px 2px;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  color: var(--silver);
  transition: color .25s ease, padding-left .25s ease;
}

.page-about .about-index__item a:hover,
.page-about .about-index__item a:focus-visible {
  color: var(--paper);
  padding-left: 12px;
}

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

/* --- 章节骨架 --- */
.page-about .about-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding-top: 60px;
  padding-bottom: 60px;
  border-top: 1px solid var(--hairline);
}

.page-about .about-chapter__idx {
  font-family: var(--font-num);
  font-size: clamp(42px, 12vw, 80px);
  font-weight: 700;
  line-height: .85;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(199, 208, 218, .48);
}

@supports not ((-webkit-text-stroke: 1px #000)) {
  .page-about .about-chapter__idx {
    color: var(--mist);
  }
}

.page-about .about-chapter--violet .about-chapter__idx {
  -webkit-text-stroke-color: rgba(79, 240, 208, .55);
}

.page-about .about-chapter--wine .about-chapter__idx {
  color: var(--wine);
  -webkit-text-stroke: 1px rgba(196, 116, 140, .5);
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.8vw, 31px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .about-chapter__title::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-top: 18px;
  background: var(--lava);
}

.page-about .about-chapter--violet .about-chapter__title::after {
  background: var(--cyan);
}

.page-about .about-chapter--wine .about-chapter__title::after {
  background: var(--wine);
}

.page-about .about-chapter__lead {
  margin: 16px 0 0;
  font-size: clamp(14px, 2.4vw, 15.5px);
  line-height: 1.92;
  color: var(--mist);
  max-width: 44em;
}

/* --- 赛季弧线 --- */
.page-about .about-season__arc {
  display: none;
  width: 100%;
  height: auto;
  margin-top: 34px;
}

.page-about .about-season__arc line {
  stroke: var(--hairline-strong);
  stroke-width: 1;
}

.page-about .about-season__arc circle {
  fill: var(--night);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-about .about-season__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0 0 0 24px;
  position: relative;
  display: grid;
  gap: 24px;
}

.page-about .about-season__list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--hairline);
}

.page-about .about-season__list > li {
  position: relative;
}

.page-about .about-season__list > li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sea);
  border: 2px solid var(--cyan);
  box-sizing: border-box;
}

.page-about .about-season__tag {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lava);
}

.page-about .about-season__list h3 {
  margin: 8px 0 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-about .about-season__list p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* --- 核对流程 --- */
.page-about .about-flow {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-flow__step {
  padding: 20px 20px 22px;
  border: 1px solid var(--hairline);
  border-left: 2px solid var(--silver);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--about-card), rgba(7, 26, 47, .35));
}

.page-about .about-flow__step:nth-child(1) {
  border-left-color: var(--cyan);
}

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

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

.page-about .about-flow__step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-flow__step p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-media {
  margin-top: 36px;
}

/* --- 岗位构成 --- */
.page-about .about-roster {
  margin: 34px 0 0;
  display: grid;
  gap: 16px;
}

.page-about .about-roster__item {
  padding: 24px 20px 26px;
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--silver);
  border-radius: var(--radius);
  background: var(--about-card);
}

.page-about .about-roster__item--cyan {
  border-top-color: var(--cyan);
}

.page-about .about-roster__item--lava {
  border-top-color: var(--lava);
}

.page-about .about-roster__item--turf {
  border-top-color: var(--turf);
}

.page-about .about-roster__num {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(40px, 10vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-about .about-roster__item--cyan .about-roster__num {
  color: var(--cyan);
}

.page-about .about-roster__item--lava .about-roster__num {
  color: var(--lava);
}

.page-about .about-roster__item--turf .about-roster__num {
  color: var(--turf);
}

.page-about .about-roster__item h3 {
  margin: 16px 0 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-about .about-roster__item p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

/* --- 移动优先面板 --- */
.page-about .about-panel {
  margin: 34px 0 0;
  border-top: 1px solid var(--hairline);
}

.page-about .about-panel__row {
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-panel__row h3 {
  margin: 0;
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-panel__row h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 9px;
  height: 2px;
  background: var(--turf);
}

.page-about .about-panel__row p {
  margin: 10px 0 0 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 46em;
}

/* --- 品牌边界 --- */
.page-about .about-boundary {
  margin: 34px 0 0;
  display: grid;
  gap: 30px;
}

.page-about .about-boundary__text h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-about .about-boundary__text h3 + p {
  margin: 0 0 26px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-about .about-contact {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--hairline);
}

.page-about .about-contact li {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-contact span {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-about .about-contact em {
  font-style: normal;
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-about .about-boundary__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-boundary__note .link-inline {
  color: var(--lava);
}

/* --- 版本演进 --- */
.page-about .about-versions {
  margin: 34px 0 0;
  border-top: 1px solid var(--hairline);
}

.page-about .about-version {
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-version summary {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 44px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  color: var(--silver);
  transition: color .22s ease;
}

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

.page-about .about-version summary:hover,
.page-about .about-version summary:focus-visible,
.page-about .about-version[open] summary {
  color: var(--paper);
}

.page-about .about-version__id {
  min-width: 34px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--lava);
}

.page-about .about-version__name {
  flex: 1;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-about .about-version__hint {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-about .about-version__hint::before,
.page-about .about-version__hint::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform .22s ease, opacity .22s ease;
}

.page-about .about-version__hint::before {
  width: 12px;
  height: 1px;
}

.page-about .about-version__hint::after {
  width: 1px;
  height: 12px;
}

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

.page-about .about-version__body {
  padding: 0 0 22px 50px;
}

.page-about .about-version__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
  max-width: 46em;
}

/* --- 继续阅读 --- */
.page-about .about-next {
  padding-top: 50px;
  padding-bottom: 70px;
  border-top: 1px solid var(--hairline);
}

.page-about .about-next h2 {
  margin: 0 0 22px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--mist);
}

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

.page-about .about-next__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 12px 2px;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  border-bottom: 1px solid var(--hairline);
  transition: color .22s ease, border-color .22s ease, padding-left .22s ease;
}

.page-about .about-next__list a:hover,
.page-about .about-next__list a:focus-visible {
  color: var(--lava);
  border-color: var(--lava);
  padding-left: 10px;
}

.page-about .about-next__list .num {
  font-size: 12px;
  color: var(--turf);
}

/* --- 减少动态偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__item a,
  .page-about .about-next__list a,
  .page-about .about-version summary,
  .page-about .about-version__hint::before,
  .page-about .about-version__hint::after {
    transition: none;
  }
}

/* --- 平板及以上 --- */
@media (min-width: 620px) {
  .page-about .about-index__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-contact li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-about .about-next__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 32px;
  }
}

@media (min-width: 820px) {
  .page-about .about-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about .about-roster {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .about-panel__row:nth-child(even) {
    padding-left: 48px;
  }

  .page-about .about-panel__row:nth-child(odd) {
    padding-right: 48px;
  }
}

/* --- 桌面 --- */
@media (min-width: 960px) {
  .page-about .about-lede {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 68px;
    align-items: start;
    padding-top: 38px;
    padding-bottom: 76px;
  }

  .page-about .about-lede__media {
    margin-top: 58px;
  }

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

  .page-about .about-chapter {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 26px 54px;
    padding-top: 94px;
    padding-bottom: 94px;
  }

  .page-about .about-season__arc {
    display: block;
  }

  .page-about .about-season__list {
    margin-top: 20px;
    padding-left: 0;
    grid-template-columns: repeat(5, 1fr);
    gap: 26px;
  }

  .page-about .about-season__list::before,
  .page-about .about-season__list > li::before {
    display: none;
  }

  .page-about .about-boundary {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-version__body {
    padding-left: 50px;
    padding-right: 40px;
  }
}
<<<END>>>