/* ==========================================================
   Page About / 品牌档案专属样式
   Scope: .page-about
   ========================================================== */
.page-about {
  --about-border: rgba(255, 255, 255, 0.1);
  --about-block-bg: rgba(30, 30, 30, 0.46);
  --about-neon-glow: rgba(57, 255, 20, 0.5);
  --about-orange-glow: rgba(255, 107, 53, 0.45);
  --about-text-soft: #c2ccdd;
  --about-text-muted: #7e8798;
  --about-bg-alt: #0d1533;
  background: var(--color-deep);
  color: var(--color-white);
  overflow-x: clip;
}

/* ---------- 通用页面标题节奏 ---------- */
.page-about .eyebrow {
  letter-spacing: 0.14em;
  opacity: 0.8;
}

.page-about__section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: var(--space-2) 0 0;
  transform: skewX(-3deg);
}

.page-about__section-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--about-text-soft);
  max-width: 640px;
  margin-top: var(--space-2);
}

/* ---------- 首屏 Hero ---------- */
.page-about__hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + var(--space-4)) 0 var(--space-5);
  isolation: isolate;
}

.page-about__hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: -2;
}

.page-about__hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(10, 17, 40, 0.96) 0%, rgba(10, 17, 40, 0.84) 55%, rgba(13, 21, 51, 0.72) 100%),
    radial-gradient(780px 320px at 82% 10%, rgba(139, 232, 255, 0.14), transparent 65%);
  z-index: -1;
}

.page-about__hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.page-about__breadcrumbs {
  margin-bottom: var(--space-3);
}

.page-about__hero-grid {
  display: grid;
  gap: var(--space-4);
  padding-top: var(--space-3);
}

/* 左侧叙事 */
.page-about__mission {
  max-width: 720px;
}

.page-about__title {
  font-family: var(--font-headline);
  font-size: clamp(2.1rem, 5.6vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: var(--space-2) 0 var(--space-3);
  transform: skewX(-3deg);
}

.page-about__lead {
  font-family: var(--font-headline);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.6;
  color: var(--color-ice);
  margin-bottom: var(--space-3);
}

.page-about__mission-text {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--about-text-soft);
  max-width: 62ch;
}

.page-about__hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* 右侧数据面板 */
.page-about__panel {
  position: relative;
  background: rgba(8, 14, 34, 0.82);
  border: 1px solid rgba(139, 232, 255, 0.22);
  border-radius: 6px;
  padding: 0;
  overflow: hidden;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.page-about__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-neon), var(--color-orange));
  opacity: 0.9;
}

.page-about__panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--about-border);
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--about-text-soft);
}

.page-about__panel-signal {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 10px var(--color-neon);
  animation: page-about-pulse 1.6s ease-in-out infinite;
}

.page-about__panel-status {
  margin-left: auto;
  color: var(--color-neon);
  font-weight: 700;
}

.page-about__panel-list {
  margin: 0;
  padding: var(--space-2) var(--space-3);
}

.page-about__panel-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 0.9rem 0;
  border-bottom: 1px dashed rgba(138, 141, 145, 0.3);
}

.page-about__panel-item:last-child {
  border-bottom: 0;
}

.page-about__panel-item dt {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--about-text-muted);
}

.page-about__panel-item dd {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.35rem;
  color: var(--color-white);
  line-height: 1;
}

.page-about__panel-num {
  color: var(--color-neon);
  text-shadow: 0 0 18px var(--about-neon-glow);
}

.page-about__panel-note {
  margin: 0;
  padding: 0 var(--space-3) var(--space-3);
  font-family: var(--font-body);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--about-text-muted);
}

@keyframes page-about-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.82); }
}

/* ---------- 品牌使命与定位 ---------- */
.page-about__purpose {
  background:
    linear-gradient(180deg, var(--color-deep) 0%, var(--color-bg-alt, #0d1533) 100%);
  padding: var(--space-5) 0 calc(var(--space-5) + 0.5rem);
  border-top: 1px solid rgba(57, 255, 20, 0.14);
}

.page-about__purpose-head {
  margin-bottom: var(--space-4);
}

/* 指标横条 */
.page-about__metrics-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: rgba(30, 30, 30, 0.38);
  border: 1px solid var(--about-border);
  border-radius: 8px;
}

.page-about__metrics-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--color-neon);
}

.page-about__metrics-value {
  font-family: var(--font-headline);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-white);
  transform: skewX(-5deg);
  display: inline-flex;
  gap: 0.2rem;
}

.page-about__metrics-value span {
  color: var(--color-neon);
}

.page-about__metrics-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--about-text-muted);
}

/* 使命卡片 */
.page-about__purpose-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-about__purpose-card {
  position: relative;
  background: var(--about-block-bg);
  border: 1px solid var(--about-border);
  border-radius: 8px;
  padding: var(--space-3) var(--space-3) var(--space-3) calc(var(--space-3) + 6px);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about__purpose-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-neon), var(--color-orange));
  opacity: 0.8;
}

.page-about__purpose-num {
  font-family: var(--font-headline);
  font-size: 0.9rem;
  color: var(--color-orange);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-1);
}

.page-about__purpose-card h3 {
  font-family: var(--font-headline);
  font-size: 1.15rem;
  margin: 0 0 var(--space-1);
  color: var(--color-white);
}

.page-about__purpose-card p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--about-text-soft);
  margin: 0;
}

/* ---------- 发展历程 ---------- */
.page-about__journey {
  background:
    radial-gradient(700px 280px at 15% 0%, rgba(57, 255, 20, 0.06), transparent 60%),
    var(--color-deep);
  padding: var(--space-5) 0 var(--space-4);
}

.page-about__journey-head {
  margin-bottom: var(--space-4);
}

/* 时间线 */
.page-about__timeline {
  position: relative;
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 15px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-neon), rgba(57, 255, 20, 0.12) 62%, var(--color-orange));
  opacity: 0.7;
}

.page-about__timeline-item {
  position: relative;
  padding-left: 52px;
  margin-bottom: var(--space-4);
}

.page-about__timeline-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-deep);
  border: 3px solid var(--color-neon);
  box-shadow: 0 0 14px var(--about-neon-glow);
}

.page-about__timeline-year {
  font-family: var(--font-headline);
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--color-neon);
  text-shadow: 0 0 18px rgba(57, 255, 20, 0.35);
  margin-bottom: var(--space-1);
}

.page-about__timeline-card {
  background: var(--about-block-bg);
  border: 1px solid var(--about-border);
  border-left: 3px solid var(--color-neon);
  border-radius: 8px;
  padding: var(--space-3);
}

.page-about__timeline-title {
  font-family: var(--font-headline);
  font-size: 1.08rem;
  color: var(--color-white);
  margin: 0 0 var(--space-1);
}

.page-about__timeline-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--about-text-soft);
  margin: 0 0 var(--space-2);
}

.page-about__timeline-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-about__timeline-meta {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--about-text-muted);
}

/* ---------- 数据体系（浅色区） ---------- */
.page-about__data {
  background:
    radial-gradient(900px 320px at 85% 0%, rgba(139, 232, 255, 0.22), transparent 62%),
    linear-gradient(135deg, #ececec 0%, #dfe5ee 100%);
  color: var(--color-deep);
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(10, 17, 40, 0.1);
  border-bottom: 1px solid rgba(10, 17, 40, 0.1);
}

.page-about__data .page-about__section-lead,
.page-about__data .page-about__data-step-text,
.page-about__data .page-about__data-footnote {
  color: rgba(10, 17, 40, 0.72);
}

.page-about__data .page-about__section-title,
.page-about__data .page-about__data-step-title {
  color: var(--color-deep);
}

.page-about__data .eyebrow {
  color: var(--color-deep);
  opacity: 0.65;
}

.page-about__data-head {
  margin-bottom: var(--space-4);
}

.page-about__data-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.page-about__data-visual {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(10, 17, 40, 0.2);
  transform: skewX(-1deg);
}

.page-about__data-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about__data-visual-tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 12px;
  background: rgba(10, 17, 40, 0.82);
  color: var(--color-neon);
  font-family: var(--font-headline);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  border-radius: 3px;
  box-shadow: 0 0 22px rgba(57, 255, 20, 0.25);
}

.page-about__data-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-about__data-step {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(10, 17, 40, 0.12);
  border-radius: 8px;
}

.page-about__data-step-num {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--color-deep);
  color: var(--color-neon);
  border-radius: 6px;
  font-family: var(--font-headline);
  font-size: 0.95rem;
  transform: skewX(-6deg);
}

.page-about__data-step-title {
  font-family: var(--font-headline);
  font-size: 1.02rem;
  margin: 0 0 0.35rem;
}

.page-about__data-step-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.page-about__data-footnote {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.8;
  margin: var(--space-4) 0 0;
  padding: var(--space-2) var(--space-3);
  background: rgba(10, 17, 40, 0.06);
  border-left: 3px solid var(--color-orange);
  border-radius: 0 6px 6px 0;
}

/* ---------- 团队构成 ---------- */
.page-about__team {
  background:
    radial-gradient(720px 320px at 12% 10%, rgba(139, 232, 255, 0.08), transparent 60%),
    linear-gradient(120deg, var(--color-deep) 0%, #0d1533 100%);
  padding: var(--space-5) 0;
}

.page-about__team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}

.page-about__team-media {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.4);
  transform: rotate(-1deg);
}

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

.page-about__team-media::after {
  content: "";
  position: absolute;
  top: -14%;
  right: -8%;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, transparent 42%, rgba(57, 255, 20, 0.5) 50%, transparent 58%);
  opacity: 0.28;
  pointer-events: none;
}

.page-about__team-content .page-about__section-lead {
  margin-bottom: var(--space-3);
}

.page-about__team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-about__team-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3);
  background: rgba(30, 30, 30, 0.42);
  border: 1px solid var(--about-border);
  border-radius: 8px;
}

.page-about__team-rank {
  flex: 0 0 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.14);
  border: 1px solid rgba(255, 107, 53, 0.45);
  color: var(--color-orange);
  font-family: var(--font-headline);
  font-size: 0.85rem;
}

.page-about__team-item-title {
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-white);
  margin: 0 0 0.3rem;
}

.page-about__team-item-text {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--about-text-soft);
  margin: 0;
}

/* ---------- 资质与荣誉 ---------- */
.page-about__honors {
  background:
    radial-gradient(780px 300px at 85% 12%, rgba(255, 107, 53, 0.16), transparent 60%),
    var(--color-deep);
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(255, 107, 53, 0.2);
}

.page-about__honors-head {
  margin-bottom: var(--space-4);
}

.page-about__honor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-about__honor-card {
  position: relative;
  padding: var(--space-3);
  background: rgba(30, 30, 30, 0.38);
  border: 1px solid var(--about-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about__honor-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.025);
  pointer-events: none;
}

.page-about__honor-badge {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 12px;
  font-family: var(--font-headline);
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
  transform: skewX(-6deg);
}

.page-about__honor-badge--green {
  background: rgba(57, 255, 20, 0.14);
  border: 1px solid rgba(57, 255, 20, 0.5);
  color: var(--color-neon);
}

.page-about__honor-badge--orange {
  background: rgba(255, 107, 53, 0.14);
  border: 1px solid rgba(255, 107, 53, 0.5);
  color: var(--color-orange);
}

.page-about__honor-badge--deep {
  background: rgba(139, 232, 255, 0.1);
  border: 1px solid rgba(139, 232, 255, 0.42);
  color: var(--color-ice);
}

.page-about__honor-title {
  font-family: var(--font-headline);
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--color-white);
  margin: 0 0 var(--space-1);
}

.page-about__honor-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--about-text-soft);
  margin: 0;
}

/* ---------- 延伸入口 ---------- */
.page-about__cta {
  background:
    radial-gradient(900px 360px at 70% 0%, rgba(57, 255, 20, 0.08), transparent 60%),
    linear-gradient(100deg, #060b1c 0%, #0f1c44 52%, #060b1c 100%);
  padding: var(--space-5) 0;
}

.page-about__cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}

.page-about__cta-title {
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  color: var(--color-white);
  margin: 0 0 var(--space-2);
  transform: skewX(-3deg);
}

.page-about__cta-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--about-text-soft);
  margin: 0;
  max-width: 640px;
}

.page-about__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about__metrics-strip {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about__metrics-value {
    font-size: 2.1rem;
  }

  .page-about__purpose-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about__data-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-4);
  }

  .page-about__data-cards {
    gap: var(--space-2);
  }

  .page-about__honor-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about__hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: var(--space-5);
    align-items: center;
    padding-top: var(--space-4);
  }

  .page-about__team-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-5);
  }

  .page-about__cta-inner {
    grid-template-columns: 1fr auto;
    gap: var(--space-4);
  }
}

@media (min-width: 960px) {
  .page-about__purpose-card:nth-child(2) {
    transform: translateY(-10px);
  }

  /* 时间线双列交替 */
  .page-about__timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about__timeline-item {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
    gap: 0 var(--space-5);
    padding-left: 0;
    margin-bottom: var(--space-5);
  }

  .page-about__timeline-item::before {
    left: 50%;
    top: 30px;
    transform: translateX(-50%);
  }

  .page-about__timeline-year {
    grid-row: 1;
    align-self: center;
    font-size: 1.7rem;
    margin-bottom: 0;
  }

  .page-about__timeline-card {
    grid-row: 1;
  }

  .page-about__timeline-item:nth-child(odd) .page-about__timeline-year {
    grid-column: 1;
    justify-self: end;
    text-align: right;
    padding-right: 68px;
  }

  .page-about__timeline-item:nth-child(odd) .page-about__timeline-card {
    grid-column: 2;
  }

  .page-about__timeline-item:nth-child(even) .page-about__timeline-year {
    grid-column: 2;
    justify-self: start;
    padding-left: 68px;
  }

  .page-about__timeline-item:nth-child(even) .page-about__timeline-card {
    grid-column: 1;
  }

  .page-about__honor-card {
    padding: var(--space-4);
  }

  .page-about__honor-card:hover {
    border-color: rgba(139, 232, 255, 0.4);
    transform: translateY(-4px);
  }
}

/* 桌面窄屏护栏 */
@media (min-width: 1200px) {
  .page-about__data-step {
    padding: var(--space-3) var(--space-4);
  }
}

.page-about {
  --color-bg-alt: var(--about-bg-alt);
}