.page-about {
  --about-gold: #D4AF37;
  --about-gold-bright: #FFD700;
  --about-gold-line: rgba(212, 175, 55, 0.24);
  --about-gold-line-soft: rgba(212, 175, 55, 0.14);
  --about-cyan: #00E5FF;
  --about-lime: #39FF14;
  --about-teal: #0F4C5C;
  --about-violet-deep: #3A0A63;
  --about-wine-dark: #4A0012;
  --about-bg-panel: #1A1A24;
  --about-bg-card: #101018;
  --about-text-dim: #9A9AA8;
  --about-radius-sm: 12px;
  --about-radius-md: 18px;
  --about-radius-lg: 28px;
  --about-max-read: 720px;
  position: relative;
  background: var(--bg-ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about :focus-visible {
  outline: 2px solid rgba(0, 229, 255, 0.8);
  outline-offset: 3px;
}

/* 面包屑 */
.page-about .about-breadcrumb {
  padding: 96px 0 14px;
  background: rgba(10, 10, 15, 0.78);
  border-bottom: 1px solid var(--about-gold-line-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

.page-about .about-breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

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

.page-about .about-breadcrumb .breadcrumb-sep {
  color: var(--text-dark);
  font-size: 14px;
}

.page-about .about-breadcrumb [aria-current="page"] {
  color: var(--about-gold);
  font-size: 14px;
  letter-spacing: 0.04em;
}

/* Hero */
.page-about .about-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 620px;
  padding: 72px 0 60px;
  overflow: hidden;
  background: linear-gradient(145deg, #0A0A0F 10%, #0F4C5C 130%);
  border-bottom: 1px solid var(--about-gold-line);
}

.page-about .about-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  opacity: 0.38;
  filter: saturate(0.85) contrast(1.1);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at 82% 112%, rgba(75, 0, 130, 0.32) 0%, transparent 56%),
    radial-gradient(ellipse at 8% 8%, rgba(0, 229, 255, 0.07) 0%, transparent 42%),
    linear-gradient(180deg, rgba(10, 10, 15, 0.72) 0%, rgba(10, 10, 15, 0.38) 42%, rgba(10, 10, 15, 0.94) 100%);
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-about .about-hero-kicker {
  color: var(--about-cyan);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.page-about .about-hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 84px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.04;
  color: var(--about-gold);
  text-shadow: 0 0 40px rgba(212, 175, 55, 0.28);
  max-width: 940px;
  margin: 0 0 20px;
}

.page-about .about-hero-lead {
  font-size: 16px;
  line-height: 1.78;
  color: rgba(224, 224, 224, 0.88);
  max-width: 560px;
  margin: 0 0 34px;
  padding-left: 18px;
  border-left: 3px solid rgba(0, 229, 255, 0.65);
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
  padding: 24px;
  max-width: 680px;
  background: rgba(10, 10, 15, 0.62);
  border: 1px solid var(--about-gold-line);
  border-radius: 26px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.page-about .about-hero-stat {
  display: flex;
  flex-direction: column;
}

.page-about .about-hero-stat dd {
  order: -1;
  margin: 0;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--about-gold-bright);
  line-height: 1.1;
}

.page-about .about-hero-stat dt {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--about-text-dim);
}

/* 区块头 */
.page-about .section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--about-cyan);
}

.page-about .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.08;
  color: var(--text);
}

.page-about .about-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.5);
  background: rgba(212, 175, 55, 0.07);
  color: var(--about-gold);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.page-about .about-section-head {
  margin-bottom: 36px;
}

.page-about .about-section-head::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  margin-top: 20px;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.42) 0%, rgba(212, 175, 55, 0.02) 100%);
}

.page-about .about-section-note {
  margin: 10px 0 0;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--about-text-dim);
}

/* 品牌概述 */
.page-about .about-overview {
  padding: 84px 0 72px;
  background:
    radial-gradient(circle at 92% 12%, rgba(0, 229, 255, 0.05) 0%, transparent 36%),
    var(--bg-ink);
}

.page-about .about-overview-grid {
  display: grid;
  gap: 36px;
}

.page-about .about-overview-body {
  max-width: var(--about-max-read);
}

.page-about .about-lead {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 300;
  line-height: 1.46;
  color: var(--about-gold);
  margin: 0 0 22px;
}

.page-about .about-overview-text p {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(224, 224, 224, 0.82);
  margin: 0 0 18px;
}

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

.page-about .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-about .tag {
  font-family: var(--font-display);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(212, 175, 55, 0.22);
  background: rgba(212, 175, 55, 0.08);
  color: var(--text-dim);
  white-space: nowrap;
}

.page-about .tag-gold {
  color: var(--about-gold-bright);
  border-color: rgba(212, 175, 55, 0.4);
  background: rgba(212, 175, 55, 0.14);
}

.page-about .tag-lime {
  color: var(--about-lime);
  border-color: rgba(57, 255, 20, 0.34);
  background: rgba(57, 255, 20, 0.08);
}

/* 发展历程 */
.page-about .about-timeline-section {
  position: relative;
  padding: 84px 0;
  background:
    radial-gradient(circle at 8% 14%, rgba(75, 0, 130, 0.2) 0%, transparent 42%),
    radial-gradient(circle at 94% 84%, rgba(15, 76, 92, 0.28) 0%, transparent 42%),
    var(--bg-ink);
  border-top: 1px solid var(--about-gold-line);
  border-bottom: 1px solid var(--about-gold-line);
}

.page-about .about-timeline-layout {
  display: grid;
  gap: 36px;
}

.page-about .about-timeline-wrap {
  display: grid;
  gap: 32px;
}

.page-about .about-timeline-media img {
  width: 100%;
  max-height: 260px;
  height: auto;
  object-fit: cover;
  border-radius: var(--about-radius-lg);
  border: 1px solid var(--about-gold-line);
  background: linear-gradient(160deg, var(--about-violet-deep) 0%, var(--about-teal) 100%);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--about-gold) 0%, rgba(212, 175, 55, 0.06) 100%);
  border-radius: 999px;
  opacity: 0.5;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 26px 52px;
}

.page-about .about-timeline-item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline-node {
  position: absolute;
  left: 0;
  top: 6px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-ink);
  border: 1px solid rgba(212, 175, 55, 0.45);
  z-index: 1;
}

.page-about .about-timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--about-gold-bright);
  box-shadow: 0 0 14px rgba(212, 175, 55, 0.75);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-timeline-item:hover .about-timeline-dot,
.page-about .about-timeline-item:focus-within .about-timeline-dot {
  transform: scale(1.4);
  box-shadow: 0 0 22px rgba(212, 175, 55, 0.9);
}

.page-about .about-timeline-card {
  outline: none;
  background: var(--about-bg-panel);
  border: 1px solid var(--about-gold-line-soft);
  border-radius: var(--about-radius-md);
  padding: 22px 24px;
  transition: border-color 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

.page-about .about-timeline-card:hover,
.page-about .about-timeline-card:focus-visible {
  border-color: rgba(212, 175, 55, 0.55);
  background: rgba(26, 26, 36, 0.96);
  transform: translateX(6px);
}

.page-about .about-timeline-year {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--about-gold);
}

.page-about .about-timeline-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-about .about-timeline-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(224, 224, 224, 0.8);
}

/* 山西电竞文化推广 */
.page-about .about-shanxi {
  padding: 84px 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(128, 0, 32, 0.18) 0%, transparent 36%),
    linear-gradient(180deg, var(--bg-ink) 0%, #0D0D15 100%);
}

.page-about .about-shanxi-layout {
  display: grid;
  gap: 34px;
}

.page-about .about-shanxi-media img {
  width: 100%;
  max-height: 540px;
  height: auto;
  object-fit: cover;
  border-radius: var(--about-radius-lg);
  border: 1px solid var(--about-gold-line);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 8px rgba(212, 175, 55, 0.02);
}

.page-about .about-shanxi-content .about-index {
  margin-bottom: 18px;
}

.page-about .about-shanxi-content .section-title {
  margin-bottom: 24px;
}

.page-about .about-shanxi-text {
  font-size: 16px;
  line-height: 1.84;
  color: rgba(224, 224, 224, 0.82);
  margin: 0;
}

.page-about .about-shanxi-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-shanxi-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(26, 26, 36, 0.52);
  border: 1px solid var(--about-gold-line-soft);
  border-radius: 14px;
  font-size: 15px;
  line-height: 1.66;
  color: rgba(224, 224, 224, 0.82);
}

.page-about .about-shanxi-list .tag {
  flex-shrink: 0;
  margin-top: 1px;
}

/* 团队与资质 */
.page-about .about-team {
  padding: 84px 0;
  background:
    radial-gradient(circle at 12% 88%, rgba(15, 76, 92, 0.22) 0%, transparent 42%),
    var(--bg-ink);
  border-top: 1px solid var(--about-gold-line);
}

.page-about .about-team-layout {
  display: grid;
  gap: 36px;
}

.page-about .about-team-grid {
  display: grid;
  gap: 18px;
}

.page-about .about-team-card {
  background: linear-gradient(145deg, rgba(26, 26, 36, 0.92) 0%, rgba(15, 76, 92, 0.26) 100%);
  border: 1px solid var(--about-gold-line-soft);
  border-radius: var(--about-radius-lg);
  padding: 32px 26px;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .about-team-card:hover,
.page-about .about-team-card:focus-within {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.page-about .about-team-num {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  color: var(--about-gold-bright);
  line-height: 1;
}

.page-about .about-team-card h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--text);
}

.page-about .about-team-intro {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(224, 224, 224, 0.84);
}

.page-about .about-team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-team-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--about-text-dim);
}

.page-about .about-team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--about-gold);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.7);
}

/* 延伸阅读 */
.page-about .about-extended {
  padding: 84px 0 96px;
  background: linear-gradient(360deg, #0A0A0F 0%, rgba(16, 16, 24, 0.55) 100%);
  border-top: 1px solid var(--about-gold-line);
}

.page-about .about-extended-layout {
  display: grid;
  gap: 36px;
}

.page-about .about-extended-links {
  display: grid;
  gap: 14px;
}

.page-about .about-extended-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
  background: rgba(26, 26, 36, 0.62);
  border: 1px solid var(--about-gold-line-soft);
  border-radius: var(--about-radius-md);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.page-about .about-extended-link:hover,
.page-about .about-extended-link:focus-visible {
  border-color: rgba(0, 229, 255, 0.4);
  background: rgba(15, 76, 92, 0.3);
  transform: translateY(-3px);
}

.page-about .about-extended-label {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--about-gold);
}

.page-about .about-extended-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--about-text-dim);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    padding: 26px 28px;
  }

  .page-about .about-hero-stat dd {
    font-size: 32px;
  }

  .page-about .about-hero-stat dt {
    font-size: 13px;
  }
}

@media (min-width: 768px) {
  .page-about .about-breadcrumb {
    padding-top: 108px;
  }

  .page-about .about-hero {
    min-height: 640px;
    padding: 90px 0 76px;
  }

  .page-about .about-hero-title {
    font-size: clamp(48px, 7vw, 72px);
  }

  .page-about .about-hero-lead {
    font-size: 17px;
  }

  .page-about .about-timeline-wrap {
    grid-template-columns: 180px 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-about .about-timeline-media img {
    max-height: 280px;
  }

  .page-about .about-shanxi-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
  }

  .page-about .about-shanxi-media img {
    max-height: 520px;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

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

@media (min-width: 992px) {
  .page-about .about-overview-grid,
  .page-about .about-timeline-layout,
  .page-about .about-team-layout,
  .page-about .about-extended-layout {
    grid-template-columns: 280px 1fr;
    gap: 64px;
  }

  .page-about .about-overview,
  .page-about .about-timeline-section,
  .page-about .about-shanxi,
  .page-about .about-team,
  .page-about .about-extended {
    padding-top: 96px;
    padding-bottom: 96px;
  }

  .page-about .about-timeline-wrap {
    grid-template-columns: 200px 1fr;
    gap: 44px;
  }

  .page-about .about-shanxi-layout {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 64px;
  }

  .page-about .about-lead {
    font-size: 26px;
  }
}