.about {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-neutral-50) 50%, var(--color-white) 100%);
}

.about__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
  padding: 120px var(--page-padding) 100px;
  max-width: 1440px;
  margin: 0 auto;
}

.about__body {
  display: flex;
  align-items: center;
  gap: 85px;
  width: 100%;
}

.about__chart-wrap {
  flex-shrink: 0;
  width: 494px;
  padding: 53px 84px 44px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
}

.about__carousel {
  position: relative;
  min-height: 377px;
}

.about__panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(12px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    visibility var(--transition);
}

.about__panel.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.about__carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.about__carousel-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.12);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.about__carousel-dots span.is-active {
  background: var(--color-primary);
  transform: scale(1.15);
}

.about__table-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 22px 20px 18px;
  min-height: 377px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
}

.about__table-head h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
}

.about__table-head p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-gray-muted);
}

.about__table-wrap {
  margin-top: 16px;
  flex: 1;
  overflow: auto;
}

.about__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.about__table thead th {
  padding: 0 8px 10px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-gray-muted);
  border-bottom: 1px solid var(--color-border-light);
}

.about__table tbody tr {
  transition: background var(--transition-fast);
}

.about__table tbody tr:hover {
  background: var(--color-neutral-50);
}

.about__table tbody td {
  padding: 12px 8px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-dark);
  vertical-align: middle;
}

.about__table tbody td:first-child {
  min-width: 0;
}

.about__table tbody td:first-child img {
  display: inline-block;
  vertical-align: middle;
  margin-right: 10px;
}

.about__table tbody td:first-child span {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  vertical-align: middle;
}

.about__table tbody td img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: contain;
}

.about__table tbody td strong {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-dark);
}

.about__table tbody td em {
  font-style: normal;
  font-size: 10px;
  color: var(--color-gray-muted);
}

.about__table-note {
  margin-top: 12px;
  font-size: 10px;
  line-height: 1.5;
  color: var(--color-gray-muted);
}

.about__chart-card {
  background: var(--color-primary-darker);
  border-radius: var(--radius-lg);
  padding: 28px 31px;
  height: 377px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.about__chart-header .label {
  color: #f9f9f9;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.36px;
}

.about__chart-header .amount {
  color: var(--color-white);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.48px;
  margin-top: 8px;
}

.about__chart-header .change {
  color: #f0f0f0;
  font-size: 16px;
  margin-top: 8px;
}

.about__chart-header .change strong {
  color: var(--color-white);
  font-weight: 600;
}

.about__chart-body {
  position: relative;
  flex: 1;
  min-height: 216px;
}

.about__chart-body img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
}

.about__content {
  flex: 1;
}

.about__title {
  margin: 16px 0 0;
  max-width: 524px;
}

.about__tabs {
  display: none;
  gap: 8px;
  margin-top: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.about__tabs::-webkit-scrollbar {
  display: none;
}

.about__tab {
  flex: 1 0 auto;
  min-width: 0;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
  color: var(--color-gray-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.about__tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-btn);
}

.about__mobile-detail {
  display: none;
}

.about__mobile-detail-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--color-gray-text);
}

.about__features {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

.about__progress {
  position: relative;
  width: 11px;
  flex-shrink: 0;
}

.about__progress-track {
  width: 11px;
  height: 426px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
}

.about__progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 11px;
  height: 121px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(165, 41, 51, 0.3);
  transition: top var(--transition), height var(--transition);
}

.about__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.about__item {
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  transition:
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition-fast);
}

.about__item:hover:not(.is-active) {
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: var(--shadow-card);
}

.about__item.is-active {
  background: var(--color-accent-lime-light);
  border-color: transparent;
  box-shadow: var(--shadow-card);
}

.about__item h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.about__item.is-active h3 {
  color: var(--color-black);
}

.about__item:not(.is-active) h3 {
  color: var(--color-dark-text);
}

.about__item p {
  font-size: 15px;
  line-height: 1.65;
  opacity: 0.85;
}

.about__item:not(.is-active) p {
  color: var(--color-gray-muted);
}

.about__cta {
  flex-shrink: 0;
}