/* ===== 品牌历程 · 页面作用域 ===== */
.page-about {
  --about-spine: 96px;
  --about-dim: #b6c6d8;
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(60px, 10vw, 112px) 0 clamp(36px, 6vw, 64px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -26%;
  width: min(560px, 82vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(152deg, rgba(51, 38, 94, .92) 0%, rgba(18, 74, 71, .44) 58%, transparent 100%);
  border-left: var(--bw-thick) solid rgba(63, 224, 206, .28);
  transform: rotate(-13deg);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(28px, 5.8vw, 50px);
  line-height: 1.25;
  letter-spacing: .01em;
  margin: 12px 0 0;
  max-width: 18em;
}

.page-about .about-hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 40em;
  color: var(--about-dim);
}

.page-about .about-hero__jump {
  list-style: none;
  margin: clamp(26px, 4.6vw, 42px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__jump a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 18px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.page-about .about-hero__jump a:hover,
.page-about .about-hero__jump a:focus-visible {
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
  transform: translateY(-2px);
}

.page-about .about-hero__jump-key {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: .06em;
}

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

/* ---------- 配图通用 ---------- */
.page-about .about-figure {
  margin: clamp(26px, 4.4vw, 44px) 0;
}

.page-about .about-figure .figure__media {
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-about .about-figure .figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-about .about-figure .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-about .about-figure--side {
  margin: 0;
}

/* ---------- 档案抽屉 ---------- */
.page-about .about-drawers {
  margin-top: clamp(28px, 5vw, 48px);
  border-top: var(--bw) solid var(--line);
}

.page-about .about-drawer {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 26px 0;
  border-bottom: var(--bw) solid var(--line);
}

.page-about .about-drawer__spine {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-left: 14px;
  border-left: var(--bw-thick) solid var(--teal);
}

.page-about .about-drawer__ver {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--teal);
}

.page-about .about-drawer__tag {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-about .about-drawer__body h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3.6vw, 28px);
  line-height: 1.4;
}

.page-about .about-drawer__body p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-dim);
}

.page-about .about-drawer__body p.about-drawer__gain {
  padding: 12px 16px;
  border-left: var(--bw-thick) solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 138, 61, .08);
  color: var(--text);
  font-size: 15px;
}

.page-about .about-drawer__body .tag-list {
  margin-top: 16px;
}

/* ---------- 安卓端说明 ---------- */
.page-about .about-android {
  margin-top: clamp(28px, 4.6vw, 46px);
  padding: 22px 22px 24px;
  border: var(--bw) solid var(--line);
  border-left: var(--bw-thick) solid var(--teal);
  border-radius: var(--radius);
  background: rgba(12, 27, 46, .74);
}

.page-about .about-android__k {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-about .about-android p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-dim);
}

.page-about .about-android a {
  color: var(--teal);
}

/* ---------- 数字概览带 ---------- */
.page-about .about-bench {
  padding: clamp(36px, 6vw, 62px) 0;
  border-top: var(--bw) solid var(--line);
  border-bottom: var(--bw) solid var(--line);
  background: linear-gradient(180deg, rgba(18, 74, 71, .48) 0%, rgba(6, 14, 26, .92) 100%);
}

.page-about .about-bench__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--about-dim);
}

.page-about .about-bench__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-bench__item {
  background: var(--panel);
  padding: 20px 18px 22px;
}

.page-about .about-bench__row {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.page-about .about-bench__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 7vw, 38px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--amber);
}

.page-about .about-bench__unit {
  font-size: 14px;
  color: var(--muted);
}

.page-about .about-bench__label {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-dim);
}

/* ---------- 成都日常 ---------- */
.page-about .about-chengdu {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .about-chengdu p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-dim);
}

.page-about .about-chengdu a {
  color: var(--teal);
}

.page-about .about-roster {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  border-top: var(--bw) solid var(--line);
}

.page-about .about-roster__row {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 6px 12px;
  padding: 16px 0;
  border-bottom: var(--bw) solid var(--line);
}

.page-about .about-roster__dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(63, 224, 206, .16);
}

.page-about .about-roster__name {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
}

.page-about .about-roster__desc {
  grid-column: 2 / -1;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 内容与安全 ---------- */
.page-about .about-duo {
  display: grid;
  gap: 2px;
  margin-top: clamp(24px, 4vw, 40px);
  background: rgba(22, 40, 63, .8);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-duo__side {
  padding: clamp(22px, 3.2vw, 32px);
  background: rgba(6, 14, 26, .84);
}

.page-about .about-duo__side h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-about .about-duo__side--content h3 {
  color: var(--teal);
}

.page-about .about-duo__side--safe h3 {
  color: var(--orange);
}

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

.page-about .about-duo__side li {
  padding: 11px 0;
  border-bottom: 1px dashed rgba(157, 176, 198, .25);
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-dim);
}

.page-about .about-duo__side li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-duo__side a {
  color: var(--teal);
}

.page-about .about-checks {
  list-style: none;
  margin: clamp(22px, 3.6vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: rgba(22, 40, 63, .8);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-checks__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 18px 20px;
  background: rgba(6, 14, 26, .86);
}

.page-about .about-checks__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
}

.page-about .about-checks__body h4 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-about .about-checks__body p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作伙伴 ---------- */
.page-about .about-partners {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .about-partners__card {
  padding: 22px 20px 24px;
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-about .about-partners__card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-teal);
}

.page-about .about-partners__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-about .about-partners__card h3 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.45;
}

.page-about .about-partners__card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-dim);
}

/* ---------- 数字节点 ---------- */
.page-about .about-marks {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--line);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-marks__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px 22px;
  background: var(--panel);
}

.page-about .about-marks__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-about .about-marks__label {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-dim);
}

/* ---------- 结尾 CTA ---------- */
.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(22px, 3.6vw, 34px);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(51, 38, 94, .55) 0%, rgba(12, 27, 46, .92) 72%);
}

.page-about .about-cta__txt {
  flex: 1 1 320px;
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-dim);
}

.page-about .about-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-roster__row {
    grid-template-columns: 14px 190px 1fr;
    align-items: baseline;
    gap: 18px;
  }

  .page-about .about-roster__desc {
    grid-column: auto;
  }
}

@media (min-width: 720px) {
  .page-about .about-bench__list {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 760px) {
  .page-about .about-drawer {
    grid-template-columns: var(--about-spine) 1fr;
    gap: 36px;
    align-items: start;
    padding: 38px 0;
  }

  .page-about .about-duo {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .page-about .about-partners__card:nth-child(2) {
    margin-top: 28px;
  }

  .page-about .about-partners__card:nth-child(3) {
    margin-top: 56px;
  }
}

@media (min-width: 900px) {
  .page-about .about-bench__list {
    grid-template-columns: repeat(4, 1fr);
  }
}
<<<END>>>