.page-about {
  --about-soft-line: rgba(241, 242, 246, 0.08);
  --about-red-tint: rgba(230, 57, 70, 0.16);
  --about-orange-tint: rgba(244, 162, 97, 0.14);
  --about-green-glow: rgba(0, 230, 118, 0.22);
  --about-blue-tint: rgba(77, 157, 224, 0.14);
  --about-skew: -5deg;
  background:
    radial-gradient(circle at 84% 6%, var(--about-red-tint), transparent 320px),
    radial-gradient(circle at 8% 68%, var(--about-blue-tint), transparent 300px),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-head);
  line-height: 1.12;
  margin: 0;
}

.page-about h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  transform: skewX(var(--about-skew));
  margin: 18px 0 14px;
  letter-spacing: 1px;
  color: var(--color-text);
}

.page-about h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  transform: skewX(var(--about-skew));
  color: var(--color-text);
}

.page-about h3 {
  font-size: 1.2rem;
  color: var(--color-text);
}

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

.page-about .about-hero {
  position: relative;
  padding: 36px 0 56px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, var(--about-soft-line) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(90deg, var(--about-soft-line) 0 1px, transparent 1px 36px);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-red) 0 18%, var(--color-orange) 38%, var(--color-green) 65%, var(--color-blue) 100%);
  opacity: 0.85;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.page-about .about-hero__story {
  background: var(--color-panel);
  border: 1px solid var(--about-soft-line);
  border-left: 4px solid var(--color-red);
  padding: 30px 24px 38px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.page-about .about-hero__story::after {
  content: "宝威体育 // SPORTS DATA";
  position: absolute;
  right: 16px;
  bottom: 10px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--color-muted);
  opacity: 0.7;
}

.page-about .about-hero__lead {
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--color-text);
  margin: 0 0 14px;
  max-width: 620px;
}

.page-about .about-hero__desc {
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--color-muted);
  margin: 0 0 24px;
  max-width: 620px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 4px;
}

.page-about .about-hero__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--about-soft-line);
}

.page-about .about-hero__anchors a {
  color: var(--color-blue);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 2px;
  transition: color var(--ease), box-shadow var(--ease);
}

.page-about .about-hero__anchors a:hover {
  color: var(--color-green);
  box-shadow: inset 0 -2px 0 var(--color-green);
}

.page-about .about-hero__stats {
  background:
    linear-gradient(135deg, rgba(0, 230, 118, 0.05), transparent 60%),
    var(--color-panel);
  border: 1px solid var(--about-soft-line);
  border-top: 3px solid var(--color-green);
  padding: 24px 22px 22px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.page-about .about-hero__stats-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.page-about .about-hero__stats-title {
  font-family: var(--font-data);
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--color-text);
}

.page-about .about-hero__stats-version {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-green);
  border: 1px solid var(--color-green);
  padding: 4px 10px;
}

.page-about .about-hero__stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about .about-hero__stat-item {
  border: 1px solid var(--about-soft-line);
  background: var(--color-bg);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-about .about-hero__stat-item:hover {
  border-color: var(--color-green);
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.3);
}

.page-about .about-hero__stat-num {
  font-family: var(--font-data);
  font-size: 2.2rem;
  color: var(--color-green);
  line-height: 1.1;
  transition: color var(--ease), text-shadow var(--ease);
}

.page-about .about-hero__stat-item:hover .about-hero__stat-num {
  color: var(--color-green);
  text-shadow: 0 0 22px var(--about-green-glow);
}

.page-about .about-hero__stat-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  letter-spacing: 0.5px;
}

.page-about .about-hero__live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--color-green);
}

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

@keyframes about-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.page-about .about-mission {
  padding: 60px 0;
  background: var(--color-panel);
  border-top: 1px solid var(--about-soft-line);
  border-bottom: 1px solid var(--about-soft-line);
}

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

.page-about .about-mission__content h2 {
  margin-bottom: 18px;
}

.page-about .about-mission__content p {
  color: var(--color-muted);
  line-height: 1.9;
  font-size: 0.95rem;
  margin: 0 0 16px;
}

.page-about .about-mission__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .about-mission__tags span {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-orange);
  border: 1px solid rgba(244, 162, 97, 0.4);
  padding: 6px 12px;
  background: var(--about-orange-tint);
  letter-spacing: 0.5px;
}

.page-about .about-mission__visual {
  border: 1px solid var(--about-soft-line);
  padding: 8px;
  background: var(--color-bg);
  transform: rotate(0.4deg);
  margin: 0;
}

.page-about .about-mission__visual img {
  object-fit: cover;
}

.page-about .about-mission__visual figcaption,
.page-about .about-tech__image figcaption,
.page-about .about-journey__visual figcaption {
  font-size: 0.8rem;
  color: var(--color-muted);
  padding-top: 10px;
  line-height: 1.6;
}

.page-about .about-tech {
  padding: 60px 0;
}

.page-about .about-tech__head p,
.page-about .about-journey__head p,
.page-about .about-commit__head p {
  color: var(--color-muted);
  max-width: 680px;
  line-height: 1.8;
  font-size: 0.95rem;
  margin: 14px 0 0;
}

.page-about .about-tech__layers {
  display: grid;
  gap: 16px;
  margin: 32px 0;
}

.page-about .about-tech__layer {
  background: var(--color-panel);
  border: 1px solid var(--about-soft-line);
  padding: 20px 18px;
  border-left: 3px solid var(--color-blue);
  transition: transform var(--ease), border-color var(--ease);
}

.page-about .about-tech__layer:hover {
  transform: translateX(4px);
  border-color: var(--color-blue);
}

.page-about .about-tech__layer-num {
  font-family: var(--font-data);
  color: var(--color-blue);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.page-about .about-tech__layer p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 10px 0 0;
  line-height: 1.8;
}

.page-about .about-tech__flow {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: center;
  margin: 36px 0;
}

.page-about .about-tech__flow-step {
  font-family: var(--font-data);
  border: 1px solid var(--color-green);
  color: var(--color-green);
  padding: 10px 18px;
  background: rgba(0, 230, 118, 0.06);
  letter-spacing: 2px;
}

.page-about .about-tech__flow-arrow {
  position: relative;
  width: 22px;
  height: 2px;
  background: var(--color-green);
  opacity: 0.7;
}

.page-about .about-tech__flow-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  border-left: 6px solid var(--color-green);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.page-about .about-tech__note {
  border-left: 3px solid var(--color-orange);
  background: rgba(244, 162, 97, 0.07);
  padding: 14px 18px;
  margin-bottom: 32px;
}

.page-about .about-tech__note p {
  color: var(--color-text);
  font-size: 0.92rem;
  margin: 0;
  line-height: 1.9;
}

.page-about .about-tech__image {
  border: 1px solid var(--about-soft-line);
  padding: 8px;
  background: var(--color-panel);
  margin: 0;
}

.page-about .about-tech__image img {
  object-fit: cover;
}

.page-about .about-journey {
  padding: 60px 0;
  background: var(--color-panel);
  border-top: 1px solid var(--about-soft-line);
  border-bottom: 1px solid var(--about-soft-line);
}

.page-about .about-journey__layout {
  display: grid;
  gap: 36px;
  margin-top: 40px;
}

.page-about .about-journey__rail {
  position: relative;
}

.page-about .about-journey__rail::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--color-red), var(--color-orange), var(--color-green));
}

.page-about .journey-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  margin-bottom: 24px;
  position: relative;
}

.page-about .journey-item__marker {
  background: var(--color-red);
  color: #fff;
  font-family: var(--font-data);
  font-size: 0.76rem;
  font-weight: bold;
  padding: 10px 4px;
  text-align: center;
  border: 2px solid var(--color-panel);
  box-shadow: 0 0 0 2px var(--color-red);
  align-self: start;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-about .journey-item:hover .journey-item__marker {
  background: var(--color-green);
  box-shadow: 0 0 0 2px var(--color-green);
  transform: rotate(-3deg) scale(1.04);
}

.page-about .journey-item__card {
  background: var(--color-bg);
  border: 1px solid var(--about-soft-line);
  border-left: 3px solid var(--color-orange);
  padding: 16px 14px;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-about .journey-item:hover .journey-item__card {
  transform: translateY(-3px);
  border-left-color: var(--color-green);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.3);
}

.page-about .journey-item__card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 10px 0 0;
}

.page-about .about-journey__visual {
  border: 1px solid var(--about-soft-line);
  padding: 8px;
  background: var(--color-bg);
  margin: 0;
  align-self: start;
}

.page-about .about-journey__visual img {
  object-fit: cover;
}

.page-about .about-commit {
  padding: 60px 0;
}

.page-about .about-commit__grid {
  display: grid;
  gap: 16px;
  margin-top: 36px;
}

.page-about .about-commit__card {
  background: var(--color-panel);
  border: 1px solid var(--about-soft-line);
  border-top: 4px solid var(--color-red);
  padding: 22px 18px;
  position: relative;
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-about .about-commit__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-about .about-commit__card--green {
  border-top-color: var(--color-green);
}

.page-about .about-commit__card--blue {
  border-top-color: var(--color-blue);
}

.page-about .about-commit__index {
  font-family: var(--font-data);
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 2px;
}

.page-about .about-commit__card h3 {
  margin: 12px 0 10px;
}

.page-about .about-commit__card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 0;
}

.page-about .about-commit__card a {
  color: var(--color-blue);
}

.page-about .about-commit__cta {
  margin-top: 36px;
  padding: 24px;
  background: var(--color-panel);
  border: 1px dashed var(--about-soft-line);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.page-about .about-commit__cta p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  text-align: center;
}

.page-about .about-commit__cta div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media (min-width: 768px) {
  .page-about .about-mission__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 40px;
    align-items: center;
  }

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

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

  .page-about .about-commit__cta {
    flex-direction: row;
  }

  .page-about .about-commit__cta p {
    text-align: left;
  }
}

@media (min-width: 992px) {
  .page-about .about-hero {
    padding: 52px 0 64px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: stretch;
  }

  .page-about .about-hero__story {
    padding: 36px 30px 44px;
  }

  .page-about .about-hero__stats {
    padding: 28px 26px 24px;
  }

  .page-about .about-journey__layout {
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
  }

  .page-about .about-tech {
    padding: 80px 0;
  }

  .page-about .about-mission {
    padding: 80px 0;
  }

  .page-about .about-journey {
    padding: 80px 0;
  }

  .page-about .about-commit {
    padding: 80px 0;
  }
}