.page-about {
  --about-gold-rgb: 212, 175, 55;
  --about-red: #E63946;
  --about-deep: #0B1B3A;
  --about-nebula: #1E2A4A;
  --about-constellation: #2A3B5C;
  --about-moon: #F4F6FA;
  --about-border: rgba(212, 175, 55, 0.32);
}

.page-about {
  background: var(--about-deep);
  color: var(--about-moon);
  font-family: var(--font-body, 'Noto Serif SC', serif);
  overflow-x: hidden;
}

.page-about .container {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.page-about .breadcrumb {
  padding-top: 20px;
}

.page-about .breadcrumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
}

.page-about .breadcrumb__link {
  color: rgba(244, 246, 250, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb__link:hover {
  color: #D4AF37;
}

.page-about .breadcrumb__current {
  color: #D4AF37;
}

.page-about .section-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #D4AF37;
  position: relative;
  padding-bottom: 8px;
}

.page-about .section-title::after {
  content: "";
  display: block;
  height: 3px;
  width: 48px;
  background: linear-gradient(90deg, #D4AF37, #E63946);
  border-radius: 2px;
}

.page-about .tag {
  display: inline-block;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 999px;
  text-transform: uppercase;
}

.page-about .tag--gold {
  background: rgba(212, 175, 55, 0.14);
  color: #D4AF37;
  border: 1px solid rgba(212, 175, 55, 0.4);
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding-top: 40px;
  padding-bottom: 56px;
  background:
    radial-gradient(ellipse at 12% 20%, rgba(212, 175, 55, 0.12) 0%, transparent 400px),
    radial-gradient(ellipse at 88% 70%, rgba(230, 57, 70, 0.08) 0%, transparent 350px),
    linear-gradient(180deg, var(--about-deep) 0%, var(--about-nebula) 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, #D4AF37 20%, #E63946 80%, transparent 100%);
  opacity: 0.6;
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

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

.page-about .about-hero__title {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: clamp(28px, 6vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  color: #FFFFFF;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: #D4AF37;
}

.page-about .about-hero__lead {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 246, 250, 0.82);
  margin: 0;
}

.page-about .about-hero__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg, 16px);
  border: 1px solid var(--about-border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  object-fit: cover;
}

/* ===== Mission ===== */
.page-about .about-mission {
  padding-top: 40px;
  padding-bottom: 64px;
}

.page-about .about-mission__frame {
  position: relative;
  background: rgba(30, 42, 74, 0.5);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: var(--radius-lg, 16px);
  padding: 40px 28px;
}

.page-about .about-mission__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 48px;
  width: 96px;
  height: 3px;
  background: #D4AF37;
  border-radius: 0 0 4px 4px;
}

.page-about .about-mission__kicker {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #D4AF37;
  margin-bottom: 8px;
}

.page-about .about-mission__title {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.35;
  margin-bottom: 24px;
}

.page-about .about-mission__body p {
  font-size: 16px;
  line-height: 1.95;
  color: rgba(244, 246, 250, 0.82);
  margin: 0 0 16px;
}

.page-about .about-mission__body p:last-child {
  margin-bottom: 0;
  color: #D4AF37;
}

/* ===== Journey ===== */
.page-about .about-journey {
  padding-top: 64px;
  padding-bottom: 72px;
}

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

.page-about .about-journey__desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 246, 250, 0.82);
  max-width: 720px;
  margin: 16px 0 0;
}

.page-about .about-journey__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-about .about-journey__media {
  order: -1;
}

.page-about .about-journey__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg, 16px);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.page-about .about-journey__timeline {
  position: relative;
  padding-left: 0;
}

.page-about .about-journey__item {
  position: relative;
  padding: 0 0 36px 32px;
  border-left: 2px solid rgba(212, 175, 55, 0.24);
}

.page-about .about-journey__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-journey__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--about-deep, #0B1B3A);
  border: 3px solid #D4AF37;
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.14);
}

.page-about .about-journey__item:last-child::before {
  border-color: #E63946;
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.14);
}

.page-about .about-journey__node {
  display: inline-block;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #D4AF37;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.page-about .about-journey__item:last-child .about-journey__node {
  color: #E63946;
  border-color: rgba(230, 57, 70, 0.4);
  background: rgba(230, 57, 70, 0.08);
}

.page-about .about-journey__content h3 {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 8px;
  line-height: 1.5;
}

.page-about .about-journey__content p {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 246, 250, 0.76);
  margin: 0;
}

/* ===== Data ===== */
.page-about .about-data {
  position: relative;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(212, 175, 55, 0.1) 0%, transparent 400px),
    radial-gradient(ellipse at 90% 30%, rgba(230, 57, 70, 0.09) 0%, transparent 300px),
    linear-gradient(160deg, var(--about-nebula) 0%, var(--about-deep) 60%, var(--about-nebula) 100%);
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-about .about-data::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(212, 175, 55, 0.5) 50%, transparent 100%);
}

.page-about .about-data__lead {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-about .about-data__lead h2 {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.35;
  margin: 14px 0 12px;
}

.page-about .about-data__lead p {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 246, 250, 0.8);
  margin: 0;
}

.page-about .about-data__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.page-about .about-data__card {
  background: rgba(11, 27, 58, 0.55);
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: var(--radius-md, 8px);
  padding: 24px 18px;
  text-align: center;
  backdrop-filter: blur(4px);
}

.page-about .about-data__num {
  display: block;
  font-family: var(--font-number, 'Roboto Mono', monospace);
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 700;
  color: #D4AF37;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.page-about .about-data__unit-small {
  font-size: 0.6em;
  color: #D4AF37;
}

.page-about .about-data__unit {
  display: block;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 246, 250, 0.6);
  margin-top: 6px;
}

.page-about .about-data__desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 246, 250, 0.72);
  margin: 12px 0 0;
}

.page-about .about-data__extra {
  border-left: 3px solid #E63946;
  padding: 4px 0 4px 18px;
  max-width: 720px;
}

.page-about .about-data__extra p {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 246, 250, 0.8);
  margin: 0;
}

/* ===== Partners ===== */
.page-about .about-partners {
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-about .about-partners__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-about .about-partners__text h2 {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.35;
  margin: 14px 0 16px;
}

.page-about .about-partners__text p {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(244, 246, 250, 0.8);
  margin: 0 0 16px;
}

.page-about .about-partners__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-pill, 999px);
  padding: 10px 22px;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 14px;
  font-weight: 700;
  color: #D4AF37;
}

.page-about .about-partners__badge-mark {
  color: #D4AF37;
  font-size: 16px;
}

.page-about .about-partners__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg, 16px);
  border: 1px solid var(--about-border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  object-fit: cover;
}

/* ===== CTA ===== */
.page-about .about-cta {
  padding-top: 40px;
  padding-bottom: 64px;
}

.page-about .about-cta__inner {
  text-align: center;
  max-width: 680px;
}

.page-about .about-cta__text {
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 900;
  color: #FFFFFF;
  margin: 0 0 12px;
}

.page-about .about-cta__desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 246, 250, 0.76);
  margin: 0 auto 28px;
}

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

.page-about .btn {
  display: inline-block;
  font-family: var(--font-title, 'Noto Sans SC', sans-serif);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: var(--radius-pill, 999px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.page-about .btn:hover {
  transform: translateY(-2px);
}

.page-about .btn--gold {
  background: #D4AF37;
  color: #0B1B3A;
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
}

.page-about .btn--gold:hover {
  box-shadow: 0 10px 28px rgba(212, 175, 55, 0.42);
}

.page-about .btn--ghost {
  background: transparent;
  color: #F4F6FA;
  border: 1px solid rgba(244, 246, 250, 0.3);
}

.page-about .btn--ghost:hover {
  border-color: #D4AF37;
  color: #D4AF37;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.24);
}

/* ===== Media ===== */
@media (min-width: 768px) {
  .page-about .about-data__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-journey__grid {
    grid-template-columns: minmax(280px, 360px) 1fr;
    gap: 48px;
  }

  .page-about .about-journey__media {
    order: 0;
  }

  .page-about .about-partners__layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .btn {
    transition: none;
  }
}