.page-about {
  background: var(--c-ivory);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-about .breadcrumbs {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 20px 24px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font: 500 14px/1.4 var(--font-b);
  color: var(--c-slate);
}

.page-about .breadcrumbs a {
  color: var(--c-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumbs a:hover {
  color: var(--c-orange);
  text-decoration: underline;
}

.page-about .breadcrumbs__sep {
  color: var(--c-sand);
}

.page-about .breadcrumbs__current {
  color: var(--c-ink);
}

.page-about .about-hero {
  position: relative;
  margin: 20px 20px 0;
  max-width: calc(var(--page-max) + 120px);
  padding: clamp(40px, 8vw, 84px) clamp(24px, 5vw, 72px);
  background:
    linear-gradient(118deg, rgba(15, 76, 129, 0.42) 0%, transparent 38%),
    radial-gradient(ellipse at 85% 18%, rgba(255, 201, 102, 0.16), transparent 42%),
    radial-gradient(ellipse at 8% 92%, rgba(45, 156, 78, 0.24), transparent 48%),
    var(--c-night);
  color: var(--c-ivory);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(11, 29, 58, 0.22);
}

.page-about .about-hero__index {
  position: absolute;
  right: -6px;
  top: -22px;
  font-family: var(--font-m);
  font-size: clamp(96px, 20vw, 180px);
  font-weight: 700;
  line-height: 1;
  color: rgba(45, 156, 78, 0.14);
  letter-spacing: -0.04em;
  transform: skewX(var(--skew));
  pointer-events: none;
  user-select: none;
}

.page-about .page-kicker {
  font: 700 13px/1.6 var(--font-b);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-yellow);
  margin: 0 0 18px;
}

.page-about .about-hero__title {
  font-family: var(--font-d);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0 0 20px;
  transform: skewX(var(--skew));
  padding-right: 20px;
}

.page-about .about-hero__title-brand {
  display: block;
  font-size: clamp(44px, 10vw, 92px);
  color: var(--c-ivory);
}

.page-about .about-hero__title-tag {
  display: block;
  font-size: clamp(20px, 4.4vw, 40px);
  color: var(--c-yellow);
  margin-top: 8px;
}

.page-about .about-hero__desc {
  max-width: 560px;
  margin: 0 0 32px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(249, 246, 240, 0.82);
}

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

.page-about .about-hero__actions .btn-primary {
  background: var(--c-green);
  color: var(--c-ivory);
}

.page-about .about-hero__actions .btn-ghost {
  color: var(--c-ivory);
  border-color: rgba(249, 246, 240, 0.48);
}

.page-about .about-wrap {
  max-width: calc(var(--page-max) + 96px);
  margin: 0 auto;
  padding: 48px 20px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .about-index {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--c-sand);
  font: 600 14px/1.4 var(--font-b);
  color: var(--c-slate);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-index__num {
  font-family: var(--font-m);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-green);
}

.page-about .about-index__link:hover,
.page-about .about-index__link[data-active] {
  color: var(--c-green);
  border-color: rgba(45, 156, 78, 0.4);
  background: rgba(45, 156, 78, 0.06);
}

.page-about .about-content {
  min-width: 0;
}

.page-about .about-section {
  padding: 28px 0 48px;
  border-bottom: 1px solid var(--c-sand);
  scroll-margin-top: 92px;
}

.page-about .about-section:last-of-type {
  border-bottom: none;
}

.page-about .chapter-head {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-sand);
  margin-bottom: 28px;
}

.page-about .chapter-index {
  font-family: var(--font-m);
  font-size: clamp(38px, 6vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-green);
  transform: skewX(var(--skew));
  letter-spacing: -0.04em;
}

.page-about .chapter-title {
  margin: 0;
  font: 700 clamp(22px, 3.4vw, 30px)/1.25 var(--font-b);
  color: var(--c-ink);
  letter-spacing: 0.02em;
}

.page-about .about-section.chapter[data-active] .chapter-head {
  border-bottom-color: rgba(45, 156, 78, 0.42);
}

.page-about .about-section.chapter[data-active] .chapter-index {
  color: var(--c-orange);
}

.page-about .about-section__lead {
  margin: 0 0 28px;
  font: 600 clamp(17px, 2vw, 20px)/1.7 var(--font-b);
  color: var(--c-slate);
  max-width: 760px;
}

.page-about .media-frame {
  border-radius: 20px;
  overflow: hidden;
}

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

.page-about .about-mission {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-about .about-mission__lead {
  margin: 0 0 16px;
  font: 700 22px/1.5 var(--font-b);
  color: var(--c-ink);
}

.page-about .about-mission__text p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-slate);
}

.page-about .about-mission__cta {
  margin-top: 20px;
}

.page-about .about-mission__cta a,
.page-about .about-support a,
.page-about .about-honor__aside a {
  color: var(--c-green);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid rgba(45, 156, 78, 0.28);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .about-mission__cta a:hover,
.page-about .about-support a:hover,
.page-about .about-honor__aside a:hover {
  border-color: var(--c-green);
  color: var(--c-orange);
}

.page-about .about-mission__media {
  margin: 0;
  box-shadow: 0 18px 44px rgba(11, 29, 58, 0.14);
}

.page-about .about-milestone {
  position: relative;
  margin-top: 8px;
  padding: clamp(24px, 4vw, 40px);
  background: linear-gradient(108deg, rgba(15, 76, 129, 0.08) 0%, rgba(15, 76, 129, 0.03) 42%, rgba(45, 156, 78, 0.04) 100%);
  border: 1px solid rgba(217, 203, 184, 0.5);
  border-radius: 22px;
}

.page-about .about-milestone__media {
  margin: 0 0 32px;
  box-shadow: 0 14px 36px rgba(11, 29, 58, 0.12);
}

.page-about .about-milestone__list {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-about .about-milestone__list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--c-sand);
  border-radius: 2px;
}

.page-about .about-milestone__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 20px;
  padding: 0 0 32px 0;
}

.page-about .about-milestone__item:last-child {
  padding-bottom: 4px;
}

.page-about .about-milestone__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
  border: 3px solid var(--c-ivory);
  box-shadow: 0 0 0 1px rgba(45, 156, 78, 0.5);
  transition: transform 0.25s ease, background 0.25s ease;
}

.page-about .about-milestone__item:hover::before {
  transform: scale(1.25);
  background: var(--c-yellow);
}

.page-about .about-milestone__year {
  font-family: var(--font-m);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-green);
}

.page-about .about-milestone__tag {
  display: inline-block;
  margin-top: 4px;
  font: 600 12px/1 var(--font-b);
  color: var(--c-slate);
  background: rgba(255, 201, 102, 0.28);
  border-radius: 999px;
  padding: 5px 10px;
  letter-spacing: 0.06em;
}

.page-about .about-milestone__body h3 {
  margin: 0 0 6px;
  font: 700 18px/1.4 var(--font-b);
  color: var(--c-ink);
}

.page-about .about-milestone__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-about .about-tech__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0 0 32px;
}

.page-about .about-tech__stat {
  position: relative;
  padding: 24px 20px 22px;
  background: var(--c-night);
  border-radius: 16px;
  overflow: hidden;
}

.page-about .about-tech__stat::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-green), var(--c-yellow), var(--c-orange));
}

.page-about .about-tech__num {
  display: block;
  font-family: var(--font-m);
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-yellow);
  white-space: nowrap;
}

.page-about .about-tech__num small {
  font-size: 0.55em;
  margin-left: 2px;
  color: rgba(249, 246, 240, 0.7);
}

.page-about .about-tech__label {
  display: block;
  margin-top: 10px;
  font: 500 13px/1.5 var(--font-b);
  color: rgba(249, 246, 240, 0.76);
}

.page-about .about-tech__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-tech__card {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--c-sand);
  border-radius: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-about .about-tech__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(11, 29, 58, 0.1);
  border-color: rgba(45, 156, 78, 0.5);
}

.page-about .about-tech__card h3 {
  position: relative;
  margin: 0 0 10px;
  padding-left: 16px;
  font: 700 17px/1.4 var(--font-b);
  color: var(--c-ink);
}

.page-about .about-tech__card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 5px;
  height: 1.2em;
  border-radius: 3px;
  background: var(--c-green);
}

.page-about .about-tech__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-about .about-tech__note,
.page-about .about-support {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-about .about-eco__media {
  margin: 0 0 28px;
  box-shadow: 0 16px 40px rgba(11, 29, 58, 0.14);
}

.page-about .about-eco__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-eco__item {
  padding: 22px 22px 24px;
  background: #fff;
  border: 1px solid var(--c-sand);
  border-radius: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-eco__item:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 28px rgba(11, 29, 58, 0.08);
}

.page-about .about-eco__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(45, 156, 78, 0.1);
  color: var(--c-green);
  font: 700 13px/1.2 var(--font-b);
  letter-spacing: 0.04em;
}

.page-about .about-eco__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-about .about-honor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-honor__main {
  position: relative;
  padding: 36px 28px;
  background: linear-gradient(135deg, var(--c-night) 0%, var(--c-track) 100%);
  border-radius: 22px;
  color: var(--c-ivory);
  overflow: hidden;
}

.page-about .about-honor__main::after {
  content: "★";
  position: absolute;
  right: -10px;
  bottom: -22px;
  font-size: 120px;
  color: rgba(255, 201, 102, 0.09);
  line-height: 1;
}

.page-about .about-honor__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--c-yellow);
  color: var(--c-night);
  font-size: 24px;
  margin-bottom: 20px;
}

.page-about .about-honor__main h3 {
  margin: 0 0 12px;
  font: 700 22px/1.4 var(--font-b);
  color: var(--c-ivory);
}

.page-about .about-honor__main p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(249, 246, 240, 0.78);
}

.page-about .about-honor__aside {
  padding: 32px 28px;
  background: rgba(45, 156, 78, 0.05);
  border: 1px solid rgba(45, 156, 78, 0.18);
  border-radius: 22px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-slate);
}

.page-about .about-honor__aside p {
  margin: 0 0 14px;
}

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

@media (min-width: 720px) {
  .page-about .about-mission {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
  }

  .page-about .about-milestone__item {
    grid-template-columns: 170px 1fr;
    gap: 8px 28px;
  }

  .page-about .about-tech__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .about-eco__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .about-honor {
    grid-template-columns: 1fr 1.1fr;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .about-tech__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    margin-right: clamp(24px, 5vw, 72px);
    margin-left: clamp(24px, 5vw, 72px);
  }

  .page-about .about-wrap {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
    padding: 56px 40px 110px;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    background: transparent;
  }

  .page-about .about-index__link {
    display: flex;
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: none;
    border-left: 3px solid transparent;
    background: transparent;
    white-space: normal;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link[data-active] {
    background: rgba(45, 156, 78, 0.08);
    border-left-color: var(--c-green);
  }
}

@media (min-width: 1280px) {
  .page-about .about-hero {
    margin-left: auto;
    margin-right: auto;
  }
}