.page-about {
  --about-orange: #FF6A00;
  --about-neon: #39FF14;
  --about-cyan: #00E5FF;
  --about-line: rgba(0, 229, 255, 0.35);
  position: relative;
  background: #0A0E27;
  color: #E6E9F5;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: clip;
}

.page-about img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

.page-about-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 76vh;
  padding: 88px 0 72px;
  background:
    linear-gradient(rgba(255, 106, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 106, 0, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, #0A0E27 0%, #1B2140 72%, #0A0E27 100%);
  background-size: 56px 56px, 56px 56px, 100% 100%;
  border-bottom: 1px solid rgba(230, 233, 245, 0.12);
  overflow: hidden;
}

.page-about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #FF6A00 30%, #39FF14 70%, transparent 100%);
  opacity: 0.8;
}

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

.page-about-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 6px 14px;
  border: 1px solid rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.08);
  color: var(--about-cyan);
  font-family: "Roboto Mono", "SF Mono", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-about-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 6vw, 76px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.page-about-hero h1 span {
  display: block;
  margin-top: 8px;
  background: linear-gradient(90deg, #00E5FF 0%, #39FF14 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-size: 0.78em;
}

.page-about-hero-subtitle {
  max-width: 640px;
  margin: 0 0 32px;
  color: #7A8AB8;
  font-size: 16px;
  line-height: 1.9;
}

.page-about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about-hero-actions .btn {
  min-width: 148px;
}

.page-about-hero-bg {
  position: absolute;
  right: -0.06em;
  bottom: -0.08em;
  z-index: 0;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-weight: 900;
  font-size: clamp(112px, 24vw, 420px);
  line-height: 1;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(57, 255, 20, 0.22);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  animation: page-about-bg-drift 18s ease-in-out infinite alternate;
}

@keyframes page-about-bg-drift {
  from {
    transform: translateY(0) rotate(-2deg);
  }
  to {
    transform: translateY(-18px) rotate(0deg);
  }
}

.page-about-hero-beam {
  position: absolute;
  top: 12%;
  right: 10%;
  z-index: 1;
  width: 2px;
  height: 220px;
  background: linear-gradient(180deg, transparent, #00E5FF 45%, transparent);
  transform: rotate(26deg);
  opacity: 0.6;
}

.page-about .breadcrumb {
  padding: 24px 0;
}

.page-about .breadcrumb-link {
  color: #7A8AB8;
  text-decoration: none;
}

.page-about .breadcrumb-link:hover {
  color: #00E5FF;
}

.page-about .breadcrumb-current {
  color: #E6E9F5;
}

.page-about .breadcrumb-item {
  color: #2A2F4A;
  margin-inline: 8px;
}

.page-about-origin,
.page-about-milestones,
.page-about-philosophy,
.page-about-honors {
  padding: 72px 0 88px;
}

.page-about-milestones {
  background: linear-gradient(180deg, #0A0E27 0%, rgba(27, 33, 64, 0.45) 45%, #0A0E27 100%);
  border-block: 1px solid rgba(230, 233, 245, 0.12);
}

.page-about-philosophy {
  background: linear-gradient(180deg, #0A0E27 0%, #1B2140 55%, #0A0E27 100%);
  border-bottom: 1px solid rgba(230, 233, 245, 0.12);
}

.page-about-heading {
  margin-bottom: 40px;
}

.page-about-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 34px;
  padding: 0 10px;
  background: #FF6A00;
  color: #0A0E27;
  font-family: "Roboto Mono", "SF Mono", Consolas, monospace;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 18px;
}

.page-about-label {
  margin: 0 0 6px;
  color: #00E5FF;
  font-family: "Roboto Mono", "SF Mono", Consolas, monospace;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-about-h2 {
  margin: 0;
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-about-origin-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about-origin-copy p {
  margin: 0 0 16px;
  color: #B6C0DE;
  font-size: 16px;
  line-height: 1.9;
}

.page-about-origin-copy p:last-of-type {
  margin-bottom: 32px;
}

.page-about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(230, 233, 245, 0.12);
  padding-top: 28px;
}

.page-about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about-stat-num,
.page-about-honors-num {
  font-family: "Roboto Mono", "SF Mono", Consolas, monospace;
  font-size: clamp(22px, 2.4vw, 34px);
  font-weight: 500;
  color: #E6E9F5;
  line-height: 1.1;
}

.page-about-stat-plus {
  color: #39FF14;
  font-size: 0.7em;
  margin-left: 2px;
}

.page-about-stat-label {
  color: #7A8AB8;
  font-size: 13px;
}

.page-about-origin-media {
  margin: 0;
  position: relative;
}

.page-about-origin-media::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid rgba(255, 106, 0, 0.35);
  z-index: 0;
  pointer-events: none;
}

.page-about-origin-media img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
}

.page-about-milestones-intro {
  margin: 14px 0 0;
  max-width: 680px;
  color: #7A8AB8;
  font-size: 16px;
  line-height: 1.8;
}

.page-about-timeline-list {
  list-style: none;
  margin: 52px 0 0;
  padding: 0;
  position: relative;
}

.page-about-timeline-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 4px;
  bottom: 0;
  width: 2px;
  background: rgba(0, 229, 255, 0.35);
}

.page-about-timeline-item {
  position: relative;
  padding: 0 0 48px 34px;
}

.page-about-timeline-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #39FF14;
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.14), 0 0 18px rgba(57, 255, 20, 0.55);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.page-about-timeline-item:hover::before {
  transform: scale(1.35);
  box-shadow: 0 0 0 7px rgba(57, 255, 20, 0.2), 0 0 30px rgba(57, 255, 20, 0.8);
}

.page-about-timeline-year {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 12px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.35);
  color: #00E5FF;
  font-family: "Roboto Mono", "SF Mono", Consolas, monospace;
  font-size: 14px;
  letter-spacing: 0.1em;
}

.page-about-timeline-card {
  padding: 20px 24px;
  background: #1B2140;
  border-left: 2px solid rgba(57, 255, 20, 0.5);
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.page-about-timeline-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: #E6E9F5;
}

.page-about-timeline-card p {
  margin: 0;
  color: #7A8AB8;
  font-size: 15px;
  line-height: 1.8;
}

.page-about-timeline-item:hover .page-about-timeline-card {
  border-left-color: #39FF14;
  background: #242B4D;
  transform: translateX(4px);
}

.page-about-milestones-media {
  margin: 8px 0 0;
}

.page-about-milestones-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(230, 233, 245, 0.12);
}

.page-about-philosophy-path {
  margin-top: 48px;
  display: grid;
  gap: 22px;
}

.page-about-philosophy-path .path-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 24px;
  background: rgba(27, 33, 64, 0.7);
  border-top: 2px solid #FF6A00;
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-about-philosophy-path .path-step:hover {
  background: #242B4D;
  transform: translateX(6px);
}

.page-about-philosophy-path .step-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 106, 0, 0.12);
  color: #FF6A00;
  font-family: "Roboto Mono", "SF Mono", Consolas, monospace;
  font-size: 16px;
  font-weight: 500;
}

.page-about-philosophy-path .step-title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 700;
  color: #E6E9F5;
}

.page-about-philosophy-path .step-text {
  margin: 0;
  color: #7A8AB8;
  font-size: 15px;
  line-height: 1.8;
}

.page-about-honors-grid {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-about-honors-badge {
  margin: 0;
  position: relative;
  display: flex;
  justify-content: center;
}

.page-about-honors-badge img {
  display: block;
  width: min(280px, 78%);
  height: auto;
  border-radius: 50%;
  border: 1px solid rgba(57, 255, 20, 0.4);
  box-shadow: 0 0 40px rgba(57, 255, 20, 0.14);
}

.page-about-honors-content h3 {
  margin: 16px 0 10px;
  font-size: 22px;
  font-weight: 700;
  color: #E6E9F5;
}

.page-about-honors-content > p:not(.tag) {
  margin: 0 0 24px;
  color: #7A8AB8;
  font-size: 15px;
  line-height: 1.9;
}

.page-about-honors-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 20px;
  padding: 24px 0;
  border-block: 1px solid rgba(230, 233, 245, 0.12);
  margin-bottom: 20px;
}

.page-about-honors-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about-honors-num {
  color: #00E5FF;
  font-size: clamp(20px, 2.2vw, 30px);
}

.page-about-honors-label {
  color: #7A8AB8;
  font-size: 13px;
}

.page-about-honors-contact {
  margin: 0;
  color: #7A8AB8;
  font-size: 14px;
  line-height: 1.8;
}

.page-about-cta {
  padding: 80px 0 96px;
  background:
    linear-gradient(rgba(255, 106, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 106, 0, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, #0A0E27 0%, #1B2140 100%);
  background-size: 56px 56px, 56px 56px, 100% 100%;
  border-top: 1px solid rgba(230, 233, 245, 0.12);
}

.page-about-cta-inner {
  text-align: center;
}

.page-about-cta h2 {
  margin: 14px 0 18px;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-about-cta-inner > p:not(.page-about-label) {
  max-width: 560px;
  margin: 0 auto 34px;
  color: #7A8AB8;
  font-size: 16px;
  line-height: 1.9;
}

.page-about-cta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.page-about-cta-links .btn {
  min-width: 148px;
}

@media (min-width: 768px) {
  .page-about-hero {
    min-height: 72vh;
  }

  .page-about-origin,
  .page-about-milestones,
  .page-about-philosophy,
  .page-about-honors {
    padding: 96px 0 112px;
  }

  .page-about-timeline-list {
    margin-top: 64px;
    padding-left: 24px;
  }

  .page-about-timeline-item {
    padding-left: 56px;
    padding-bottom: 56px;
  }

  .page-about-timeline-list::before {
    left: 8px;
  }

  .page-about-timeline-item::before {
    left: 3px;
    top: 12px;
    width: 12px;
    height: 12px;
  }

  .page-about-timeline-year {
    font-size: 15px;
  }

  .page-about-timeline-card h3 {
    font-size: 21px;
  }

  .page-about-honors-grid {
    grid-template-columns: 340px 1fr;
    gap: 60px;
  }

  .page-about-philosophy-path .path-step {
    grid-template-columns: 48px 1fr;
    gap: 20px;
    padding: 28px 32px;
  }

  .page-about-philosophy-path .step-index {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }
}

@media (min-width: 1024px) {
  .page-about-origin-grid {
    grid-template-columns: 5fr 4fr;
    gap: 72px;
  }

  .page-about-stats {
    gap: 28px;
  }

  .page-about-timeline-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding-left: 0;
  }

  .page-about-timeline-list::before {
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: linear-gradient(180deg, rgba(0, 229, 255, 0.6), rgba(0, 229, 255, 0.06));
  }

  .page-about-timeline-item {
    grid-column: 1 / 2;
    padding: 0 72px 64px 0;
    text-align: right;
  }

  .page-about-timeline-item:nth-child(even) {
    grid-column: 2 / 3;
    padding: 0 0 64px 72px;
    text-align: left;
  }

  .page-about-timeline-item::before {
    left: auto;
    right: calc(100% + 72px);
    transform: translateX(50%);
    top: 14px;
  }

  .page-about-timeline-item:nth-child(even)::before {
    left: calc(100% + 72px);
    right: auto;
    transform: translateX(-50%);
  }

  .page-about-timeline-item:hover::before {
    transform: translateX(50%) scale(1.35);
  }

  .page-about-timeline-item:nth-child(even):hover::before {
    transform: translateX(-50%) scale(1.35);
  }

  .page-about-timeline-card {
    border-left: none;
    border-right: 2px solid rgba(57, 255, 20, 0.5);
  }

  .page-about-timeline-item:nth-child(even) .page-about-timeline-card {
    border-right: none;
    border-left: 2px solid rgba(57, 255, 20, 0.5);
  }

  .page-about-timeline-item:hover .page-about-timeline-card {
    border-left-color: #39FF14;
    border-right-color: #39FF14;
    transform: translateY(-4px);
  }

  .page-about-philosophy-path {
    gap: 0;
    margin-top: 64px;
  }

  .page-about-philosophy-path .path-step {
    width: 76%;
    margin-left: auto;
    transform: translateX(10%);
    border-left: 2px solid rgba(255, 106, 0, 0.25);
    border-top: none;
  }

  .page-about-philosophy-path .path-step:nth-child(even) {
    margin-left: 0;
    transform: translateX(-10%);
  }

  .page-about-philosophy-path .path-step:hover {
    transform: translateX(10%) translateY(-4px);
  }

  .page-about-philosophy-path .path-step:nth-child(even):hover {
    transform: translateX(-10%) translateY(-4px);
  }

  .page-about-honors-grid {
    grid-template-columns: 360px 1fr;
    gap: 80px;
  }

  .page-about-honors-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about-honors-badge img {
    width: 320px;
  }

  .page-about-cta {
    padding: 104px 0 120px;
  }
}