.page-about {
  --about-red-deep: #A82E23;
  --about-blue-deep: #155282;
  --about-line-width: 2px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
}

.page-about .echo-container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;
}

.page-about .echo-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
  padding-bottom: 20px;
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(30, 30, 36, .65);
}

.page-about .echo-breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  transition: color .2s ease;
}

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

.page-about .echo-page-intro {
  padding: 16px 0 64px;
  position: relative;
}

.page-about .echo-page-intro::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: 24px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, .18) 0%, rgba(212, 175, 55, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.page-about .echo-page-intro > * {
  position: relative;
  z-index: 1;
}

.page-about .echo-page-intro__title {
  font-family: var(--font-head);
  font-size: 36px;
  line-height: 1.25;
  font-weight: 700;
  margin: 16px 0 20px;
  letter-spacing: .01em;
  border-top: 4px solid var(--red);
  padding-top: 18px;
  max-width: 760px;
}

.page-about .echo-page-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-about .echo-lede {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  max-width: 640px;
  color: rgba(30, 30, 36, .82);
  margin: 0;
}

.page-about .about-story {
  padding: 64px 0;
  background: var(--white);
  border-radius: 32px 32px 0 0;
}

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

.page-about .about-story__content {
  order: 2;
}

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

.page-about .about-story__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

.page-about .about-archive {
  padding: 64px 0;
  background: var(--barley);
  position: relative;
}

.page-about .about-archive::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--red) 0%, var(--gold) 40%, var(--blue) 100%);
  opacity: .5;
}

.page-about .echo-section__top {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 36px;
}

.page-about .echo-index {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--blue);
  letter-spacing: -.02em;
  min-width: 72px;
}

.page-about .echo-kicker {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 8px;
}

.page-about .echo-title {
  font-family: var(--font-head);
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  margin: 0;
  border-top: 3px solid var(--red);
  padding-top: 12px;
}

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

.page-about .about-archive__stat-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  border-left: 4px solid var(--red);
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
}

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

.page-about .about-archive__stat-card .echo-stat__number {
  display: block;
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 8px;
}

.page-about .about-archive__stat-card .echo-stat__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.page-about .about-archive__stat-card .echo-stat__note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(30, 30, 36, .72);
  margin: 0;
}

.page-about .about-archive__detail {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.page-about .about-archive__detail p {
  margin-top: 0;
  margin-bottom: 16px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(30, 30, 36, .85);
}

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

.page-about .about-archive__detail strong {
  color: var(--ink);
  font-weight: 700;
}

.page-about .about-archive__note {
  background: rgba(30, 30, 36, .04);
  border-radius: var(--radius-md);
  padding: 22px;
  border-left: 3px solid var(--gold);
}

.page-about .about-archive__note p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(30, 30, 36, .78);
}

.page-about .about-journey {
  padding: 64px 0;
}

.page-about .about-journey__timeline {
  position: relative;
  margin: 24px 0 44px;
  padding-left: 12px;
}

.page-about .about-journey__line {
  position: absolute;
  left: 16px;
  top: 10px;
  bottom: 10px;
  width: var(--about-line-width);
  background: linear-gradient(180deg, var(--red) 0%, var(--gold) 45%, var(--blue) 100%);
  border-radius: 2px;
}

.page-about .about-journey__line-dot {
  position: absolute;
  left: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--red);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(194, 55, 43, .18);
}

.page-about .about-journey__line-dot--1 {
  top: 28px;
}

.page-about .about-journey__line-dot--2 {
  top: 50%;
  transform: translate(-50%, -50%);
}

.page-about .about-journey__line-dot--3 {
  bottom: 28px;
  top: auto;
}

.page-about .about-journey__item {
  position: relative;
  padding-left: 52px;
  margin-bottom: 32px;
}

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

.page-about .about-journey__node {
  position: absolute;
  left: 0;
  top: 18px;
  width: 32px;
  text-align: center;
}

.page-about .about-journey__year {
  display: block;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  position: relative;
  left: -8px;
}

.page-about .about-journey__badge {
  display: inline-block;
  position: absolute;
  left: 50%;
  top: 34px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue);
  transform: translateX(-50%);
  z-index: 2;
  box-sizing: border-box;
}

.page-about .about-journey__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--gold);
  transition: transform .25s ease;
}

.page-about .about-journey__card:hover {
  transform: translateY(-3px);
}

.page-about .about-journey__card-title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-about .about-journey__card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(30, 30, 36, .8);
  margin: 0;
}

.page-about .about-journey__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-journey__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-about .about-quality {
  padding: 64px 0;
  background: var(--ink);
  color: var(--white);
  border-radius: 32px;
  margin: 0 12px;
}

.page-about .about-quality .echo-kicker {
  color: var(--gold);
}

.page-about .about-quality .echo-title {
  color: var(--white);
  border-top-color: var(--gold);
}

.page-about .about-quality .echo-index {
  color: var(--gold);
}

.page-about .about-quality__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

.page-about .about-quality__card {
  background: rgba(255, 255, 255, .06);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(4px);
  transition: background .25s ease, transform .25s ease;
}

.page-about .about-quality__card:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-3px);
}

.page-about .about-quality__card .echo-tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-about .about-quality__card-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 12px;
}

.page-about .about-quality__card p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .78);
  margin: 0;
}

.page-about .about-quality__media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}

.page-about .about-quality__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-about .about-quality__media-caption {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
  border-left: 3px solid var(--red);
  padding-left: 18px;
}

.page-about .about-quality__media-caption p {
  margin: 0;
}

.page-about .about-highland {
  padding: 64px 0;
  background: var(--red);
  position: relative;
  overflow: hidden;
}

.page-about .about-highland::before {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}

.page-about .about-highland__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.page-about .about-highland .echo-index--on-red {
  color: var(--gold);
  opacity: .7;
}

.page-about .about-highland .echo-kicker--on-red {
  color: var(--gold);
}

.page-about .about-highland__title {
  color: var(--white);
  border-top-color: var(--gold);
}

.page-about .about-highland__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .92);
  max-width: 640px;
  margin: 16px 0 28px;
}

.page-about .about-highland__features {
  gap: 14px;
}

.page-about .about-highland__feature {
  background: rgba(255, 255, 255, .1);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  backdrop-filter: blur(4px);
  transition: background .25s ease;
}

.page-about .about-highland__feature:hover {
  background: rgba(255, 255, 255, .16);
}

.page-about .about-highland__feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
  color: var(--gold);
  margin-bottom: 14px;
}

.page-about .about-highland__feature-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 8px;
}

.page-about .about-highland__feature p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
  margin: 0;
}

.page-about .about-highland__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.page-about .echo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.4;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer;
  border: none;
}

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

.page-about .echo-button--gold {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(212, 175, 55, .35);
}

.page-about .echo-button--outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .7);
}

.page-about .echo-card--ink {
  background: rgba(255, 255, 255, .06);
}

.page-about .echo-card--red {
  background: rgba(194, 55, 43, .08);
}

@media (min-width: 768px) {
  .page-about .echo-page-intro__title {
    font-size: 48px;
  }

  .page-about .echo-title {
    font-size: 32px;
  }

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

  .page-about .about-story__grid {
    grid-template-columns: 1fr 380px;
    gap: 60px;
  }

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

  .page-about .about-story__image {
    order: 2;
  }

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

  .page-about .about-archive__detail {
    padding: 32px 28px;
  }

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

  .page-about .about-journey__timeline {
    padding-left: 0;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-about .about-journey__line {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-journey__item {
    width: 50%;
    padding-left: 0;
  }

  .page-about .about-journey__item:nth-child(odd) {
    padding-right: 52px;
    text-align: right;
  }

  .page-about .about-journey__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 52px;
  }

  .page-about .about-journey__node {
    position: absolute;
    top: 24px;
  }

  .page-about .about-journey__item:nth-child(odd) .about-journey__node {
    right: -16px;
    left: auto;
  }

  .page-about .about-journey__item:nth-child(even) .about-journey__node {
    left: -16px;
  }

  .page-about .about-journey__year {
    left: auto;
  }

  .page-about .about-journey__item:nth-child(odd) .about-journey__year {
    margin-left: -30px;
  }

  .page-about .about-journey__item:nth-child(even) .about-journey__year {
    margin-left: -30px;
  }

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

  .page-about .about-quality__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .about-quality__media {
    grid-template-columns: 2fr 1fr;
    gap: 32px;
  }

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

  .page-about .about-highland__inner {
    grid-template-columns: 100px 1fr;
    gap: 40px;
  }

  .page-about .about-highland__features {
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-about .echo-page-intro__title {
    font-size: 56px;
  }

  .page-about .echo-lede {
    font-size: 18px;
  }

  .page-about .about-story__grid {
    grid-template-columns: 1fr 420px;
    gap: 80px;
  }

  .page-about .echo-index {
    font-size: 52px;
  }

  .page-about .about-archive__detail {
    columns: 2;
    column-gap: 48px;
  }

  .page-about .about-archive__detail p {
    break-inside: avoid;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-archive__stat-card,
  .page-about .about-journey__card,
  .page-about .about-quality__card,
  .page-about .about-highland__feature {
    transition: none;
  }

  .page-about .about-archive__stat-card:hover,
  .page-about .about-journey__card:hover,
  .page-about .about-quality__card:hover {
    transform: none;
  }
}