/* ==========================================================
   品牌介绍页 · page-about
   ========================================================== */

.page-about {
  --about-hair: rgba(53, 242, 200, 0.22);
  --about-hair-soft: rgba(53, 242, 200, 0.09);
  --about-wash: rgba(53, 242, 200, 0.055);
  position: relative;
  color: var(--text);
}

/* ---------- 开篇 ---------- */

.page-about .about-intro {
  position: relative;
  padding: clamp(30px, 5.5vw, 64px) 0 clamp(32px, 5vw, 56px);
  overflow: hidden;
}

.page-about .about-intro::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -20%;
  width: min(680px, 92vw);
  height: 470px;
  background: radial-gradient(closest-side, rgba(53, 242, 200, 0.13), rgba(53, 242, 200, 0) 72%);
  pointer-events: none;
}

.page-about .about-intro::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -220px;
  width: min(520px, 80vw);
  height: 400px;
  background: radial-gradient(closest-side, rgba(245, 165, 36, 0.07), rgba(245, 165, 36, 0) 70%);
  pointer-events: none;
}

.page-about .about-crumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-about .about-crumb .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-about .about-crumb .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--ease);
}

.page-about .about-crumb .breadcrumb a:hover {
  color: var(--cyan);
}

.page-about .about-crumb .breadcrumb li + li::before {
  content: "/";
  margin: 0 9px;
  color: #24443c;
}

.page-about .about-crumb .breadcrumb [aria-current="page"] {
  color: var(--cyan);
}

.page-about .about-intro .eyebrow {
  position: relative;
  z-index: 1;
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-about .about-intro h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-lede {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 620px;
  font-size: clamp(15px, 2.3vw, 17px);
  line-height: 1.78;
  color: var(--text);
}

/* 数字条 */

.page-about .about-facts {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(32px, 5vw, 50px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--about-hair-soft);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.page-about .about-facts li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 20px 20px;
  background: var(--bg);
}

.page-about .about-facts .num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.8vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-about .about-facts span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

@media (min-width: 760px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 通用段落块 ---------- */

.page-about .about-section {
  position: relative;
  padding: clamp(46px, 8vw, 98px) 0;
}

.page-about .about-band {
  background: var(--bg-raise);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-section .eyebrow {
  display: block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-about .about-h2 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4.3vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-section .about-lede {
  max-width: 620px;
  color: var(--text-dim);
}

/* ---------- 起点 ---------- */

.page-about .about-origin {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-about .about-origin p {
  margin: 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-origin p:first-child {
  padding-left: 20px;
  border-left: 2px solid var(--about-hair);
}

@media (min-width: 880px) {
  .page-about .about-origin {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
  }
}

/* ---------- 时间线 ---------- */

.page-about .about-tl {
  position: relative;
  margin: clamp(28px, 5vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tl-item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 24px 0 28px 30px;
  border-left: 1px solid var(--about-hair-soft);
  transition: border-color var(--ease);
}

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 30px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg-raise);
  border: 1px solid var(--cyan);
  transition: background var(--ease), box-shadow var(--ease);
}

.page-about .about-tl-item:hover {
  border-left-color: var(--about-hair);
}

.page-about .about-tl-item:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(53, 242, 200, 0.13);
}

.page-about .about-tl-mark {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-about .about-tl-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-tl-tag {
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: rgba(53, 242, 200, 0.1);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}

.page-about .about-tl-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-tl-body p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

@media (min-width: 820px) {
  .page-about .about-tl-item {
    grid-template-columns: 152px minmax(0, 1fr);
    column-gap: 36px;
    padding: 26px 0 30px 46px;
  }

  .page-about .about-tl-item::before {
    top: 32px;
  }

  .page-about .about-tl-mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ---------- 归档信息图 ---------- */

.page-about .about-archive {
  display: grid;
  gap: 26px;
  margin-top: clamp(36px, 6vw, 58px);
  align-items: center;
}

.page-about .about-archive-media {
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: #061714;
  border: 1px solid var(--line);
}

.page-about .about-archive-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-archive-text .eyebrow {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-about .about-archive-text h3 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-archive-text p {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-about .about-archive-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-archive-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 18px;
  border-radius: var(--radius-soft);
  background: var(--about-wash);
  font-size: 14px;
  color: var(--text);
}

.page-about .about-archive-list .num {
  flex: none;
  min-width: 5.5em;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  white-space: nowrap;
}

@media (min-width: 820px) {
  .page-about .about-archive {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
  }
}

/* ---------- 团队 ---------- */

.page-about .about-shot-block {
  margin: clamp(28px, 4.5vw, 46px) 0 0;
}

.page-about .about-shot {
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: #061714;
  border: 1px solid var(--line);
}

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

.page-about .about-shot-block .media-cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-about .about-team-grid {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 4.5vw, 40px) 0 0;
}

.page-about .about-team-card {
  padding: 26px 22px 28px;
  border-radius: var(--radius-panel);
  background: linear-gradient(180deg, rgba(53, 242, 200, 0.07), rgba(53, 242, 200, 0.015));
  transition: transform var(--ease), background var(--ease);
}

.page-about .about-team-card:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(53, 242, 200, 0.12), rgba(53, 242, 200, 0.03));
}

.page-about .about-team-count {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.6vw, 36px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .about-team-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
}

.page-about .about-team-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text);
}

@media (min-width: 760px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-about .about-team-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-about .about-team-card:nth-child(3) {
    margin-top: 60px;
  }
}

.page-about .about-team-foot {
  display: grid;
  gap: 24px;
  margin-top: clamp(34px, 5.5vw, 56px);
  align-items: center;
}

.page-about .about-team-foot .about-shot-block {
  margin-top: 0;
}

.page-about .about-team-note {
  padding: 24px 24px 26px;
  border-radius: var(--radius-panel);
  background: var(--about-wash);
  border-left: 2px solid var(--amber);
}

.page-about .about-team-note-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-about .about-team-note p:last-child {
  margin: 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

@media (min-width: 860px) {
  .page-about .about-team-foot {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 46px;
  }
}

/* ---------- 合作生态 ---------- */

.page-about .about-partners {
  display: grid;
  gap: 12px;
  margin: clamp(26px, 4.5vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partner {
  padding: 22px 22px 24px;
  border-radius: var(--radius-panel);
  background: linear-gradient(180deg, rgba(53, 242, 200, 0.055), rgba(53, 242, 200, 0.012));
  transition: transform var(--ease), background var(--ease);
}

.page-about .about-partner:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(53, 242, 200, 0.11), rgba(53, 242, 200, 0.03));
}

.page-about .about-partner-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: rgba(53, 242, 200, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

.page-about .about-partner-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .about-partner p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text);
}

@media (min-width: 760px) {
  .page-about .about-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 合作收益 ---------- */

.page-about .about-gains {
  display: grid;
  gap: 1px;
  margin: clamp(26px, 4.5vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--about-hair-soft);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.page-about .about-gains li {
  display: flex;
  flex-direction: column;
  padding: 26px 24px 28px;
  background: var(--bg);
  transition: background var(--ease);
}

.page-about .about-gains li:hover {
  background: var(--bg-raise);
}

.page-about .about-gains h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
}

.page-about .about-gains p {
  flex: 1;
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text);
}

.page-about .about-link {
  align-self: flex-start;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 200, 0.35);
  transition: color var(--ease), border-color var(--ease);
}

.page-about .about-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-about .about-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 820px) {
  .page-about .about-gains {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */

.page-about .about-close {
  padding: clamp(44px, 7vw, 82px) 0 clamp(52px, 8vw, 92px);
}

.page-about .about-close-inner {
  padding: clamp(28px, 5vw, 48px);
  border-radius: var(--radius-panel);
  border: 1px solid rgba(53, 242, 200, 0.18);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(53, 242, 200, 0.14), rgba(53, 242, 200, 0) 62%),
    linear-gradient(135deg, rgba(21, 127, 107, 0.16), rgba(245, 165, 36, 0.05));
}

.page-about .about-close h2 {
  margin: 0 0 14px;
  max-width: 20ch;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.9vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-close p {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

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

/* ---------- 动效收敛 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team-card,
  .page-about .about-partner,
  .page-about .about-gains li,
  .page-about .about-tl-item,
  .page-about .about-tl-item::before {
    transition: none;
  }

  .page-about .about-team-card:hover,
  .page-about .about-partner:hover {
    transform: none;
  }
}