.inner-page {
  background: #fff;
}

.inner-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 900;
  overflow: hidden;
  color: #fff;
  background: #333;
}

.inner-banner > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.inner-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .08);
}

.inner-banner-copy {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: innerTitleIn 1s .3s ease-in-out forwards;
}

.inner-banner-copy h1 {
  margin: 0;
  color: #fff;
  font-size: 38px;
  font-weight: 400;
}

.inner-banner-copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
}

@keyframes innerTitleIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.about-tabs {
  min-height: 80px;
  display: flex;
  align-items: stretch;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.about-tabs-inner {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 62px;
}

.about-tabs a {
  display: flex;
  align-items: center;
  color: #333;
  font-size: 16px;
  transition: color .25s ease;
}

.about-tabs a:hover,
.about-tabs a.is-active {
  color: var(--gold-deep);
}

.profile-section {
  overflow: hidden;
}

.chairman-section {
  padding: 52px 0;
}

.chairman-layout {
  display: grid;
  grid-template-columns: minmax(0,32.8fr) minmax(0,62fr);
  align-items: stretch;
  gap: 5.2%;
}

.chairman-photo {
  position: relative;
  width: 100%;
  margin: 0;
  min-height: 520px;
}

.chairman-photo img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.chairman-copy {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.chairman-copy > h2 {
  margin: 0;
  color: #333;
  font-size: 30px;
  font-weight: 700;
}

.chairman-signature {
  width: 100%;
  height: 190px;
  object-fit: contain;
  object-position: left center;
  margin: 8px 0 16px;
}

.chairman-text {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid #e6e6e6;
}

.chairman-text p,
.company-text p {
  margin: 0;
  color: #666;
  font-size: 14px;
  line-height: 2;
  text-align: justify;
  text-indent: 2em;
}

.company-section {
  padding: 56px 0;
  background: #f8f8f8;
}

.company-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.company-copy {
  width: 50.5%;
}

.company-copy > h2 {
  margin: 0;
  color: #333;
  font-size: 30px;
  font-weight: 700;
}

.company-subtitle {
  display: block;
  margin: 20px 0 18px;
  color: var(--gold-deep);
  font-size: 18px;
}

.profile-video {
  position: relative;
  width: 45.6%;
  margin-top: 20px;
  overflow: hidden;
}

.profile-video > img {
  width: 100%;
  height: auto;
}

.profile-metrics {
  margin: 28px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.profile-metrics > div {
  position: relative;
  flex: 1;
  text-align: center;
}

.profile-metrics > div + div::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 1px;
  height: 50px;
  background: #e6e6e6;
}

.profile-metrics dt {
  color: var(--gold);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  white-space: nowrap;
}

.profile-metrics dt .counter {
  margin-right: 8px;
  font-size: 48px;
}

.profile-metrics dt small {
  font-size: 13px;
}

.profile-metrics dd {
  margin: 7px 0 0;
  color: #666;
  font-size: 14px;
}

.video-trigger {
  width: 62px;
  height: 62px;
}

.profile-heading {
  position: relative;
  z-index: 2;
  margin-bottom: 58px;
  text-align: center;
}

.profile-heading p {
  margin: 0;
  color: #ebebeb;
  font-size: 50px;
  font-weight: 700;
  line-height: 1.2;
}

.profile-heading h2 {
  margin: 0;
  color: #333;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.7;
}

.profile-heading > span {
  display: block;
  color: #666;
  font-size: 18px;
}

.history-section {
  position: relative;
  min-height: 948px;
  padding: 80px 0 100px;
  background: #f5f9fc url("../images/profile-history-bg-optimized-20260909.webp") center top / cover no-repeat;
}

.history-stage {
  position: relative;
  width: 100%;
  margin-top: 170px;
  aspect-ratio: 1920 / 746;
}

.history-city {
  position: absolute;
  inset: 0;
  width: 100%;
  height: auto;
}

.history-nodes {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.history-nodes li {
  position: absolute;
  left: var(--x);
}

.history-nodes .node-top {
  top: var(--y);
}

.history-nodes .node-bottom {
  bottom: var(--y);
}

.history-nodes li > span {
  position: absolute;
  left: 0;
  width: 1px;
  background: var(--gold);
}

.history-nodes li > span::before {
  content: "";
  position: absolute;
  left: -5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
}

.history-nodes .node-top > span {
  top: 0;
  height: 205px;
}

.history-nodes .node-top > span::before {
  top: -5px;
}

.history-nodes .node-bottom > span {
  bottom: 0;
  height: 175px;
}

.history-nodes .node-bottom > span::before {
  bottom: -5px;
}

.history-nodes li > div {
  position: absolute;
  left: 20px;
  width: 190px;
}

.history-nodes .node-top > div {
  top: -13px;
}

.history-nodes .node-bottom > div {
  bottom: -18px;
  transform: translateY(100%);
}

.history-nodes h3 {
  margin: 0 0 5px;
  color: var(--gold);
  font-size: 28px;
  line-height: 1.2;
}

.history-nodes h3 small {
  margin-left: 5px;
  font-size: 14px;
}

.history-nodes p {
  margin: 0;
  color: #333;
  font-size: 14px;
  line-height: 1.65;
}

.coverage-section {
  padding: 56px 0;
  background: #f7f7f7;
}

.coverage-visual {
  display: flex;
  justify-content: center;
}

.coverage-visual img {
  width: min(82%, 971px);
  height: auto;
}

.profile-organization,
.profile-honors { padding: 56px 0; }
.profile-organization .profile-heading { margin-bottom: 24px; }
.organization-visual img { display: block; width: min(100%, 1180px); height: auto; margin: auto; }
.profile-honor-images { display: grid; gap: 32px; }
.profile-honor-images img { display: block; width: 85%; height: auto; margin-inline: auto; }
.honor-name-group { margin-top: 36px; }
.honor-name-group h3 { margin: 0 0 20px; color: #333; font-size: 22px; }
.honor-name-group ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 28px; padding: 0; margin: 0; list-style: none; }
.honor-name-group li { position: relative; padding-left: 14px; color: #666; font-size: 14px; line-height: 1.8; }
.honor-name-group li::before { content: ""; position: absolute; left: 0; top: 10px; width: 4px; height: 4px; background: var(--gold); }
.profile-rail { position: fixed; right: 20px; top: 50%; z-index: 30; width: 112px; transform: translateY(-50%); opacity: 0; visibility: hidden; transition: opacity .2s; }
.profile-rail.is-visible { opacity: 1; visibility: visible; }
.profile-rail a { position: relative; display: block; padding: 10px 0 10px 16px; border-left: 1px solid #dedede; color: #888; font-size: 12px; line-height: 1.5; }
.profile-rail a::before { content: ""; position: absolute; left: -2px; top: 16px; width: 3px; height: 8px; background: transparent; }
.profile-rail a:hover,
.profile-rail a.is-active { color: var(--gold-deep); }
.profile-rail a.is-active::before { background: var(--gold-deep); }
.profile-rail a:focus-visible { outline: 1px solid var(--gold); outline-offset: 3px; }
@media (min-width: 1440px) {
  .profile-main .content-width { width: min(calc(100% - 300px), 1200px); }
  .profile-main .history-stage { width: calc(100% - 300px); margin-inline: auto; }
}
@media (max-width: 1439px) { .profile-rail { display: none; } }
@media (max-width: 760px) { .honor-name-group ul { grid-template-columns: 1fr; } }

.coverage-note {
  max-width: 970px;
  margin-top: 28px;
  margin-bottom: 0;
  color: #666;
  font-size: 14px;
  line-height: 2;
  text-align: center;
}

@media (max-width: 1440px) {
  .chairman-text p,
  .company-text p { line-height: 1.85; }
  .history-nodes h3 { font-size: 23px; }
  .history-nodes li > div { width: 160px; }
  .history-nodes p { font-size: 12px; }
  .history-nodes .node-top > span { height: 160px; }
  .history-nodes .node-bottom > span { height: 135px; }
}

@media (max-width: 1180px) {
  .chairman-layout,
  .company-layout { width: calc(100% - 48px); }
  .chairman-photo { width: 100%; }
  .chairman-copy { width: 100%; }
  .company-copy { width: 52%; }
  .profile-video { width: 44%; }
  .history-section { min-height: 760px; }
  .history-stage { margin-top: 120px; }
  .history-nodes .node-top > span { height: 120px; }
  .history-nodes .node-bottom > span { height: 105px; }
  .history-nodes h3 { font-size: 20px; }
  .history-nodes li > div { width: 135px; }
  .history-nodes p { font-size: 11px; }
}

@media (max-width: 760px) {
  .inner-banner { aspect-ratio: 4 / 3; }
  .inner-banner > img { object-position: center; }
  .inner-banner-copy h1 { font-size: 32px; }
  .inner-banner-copy p { font-size: 14px; }
  .about-tabs { min-height: 64px; overflow-x: auto; }
  .about-tabs-inner { width: max-content; min-width: 100%; padding: 0 20px; justify-content: flex-start; gap: 34px; }
  .about-tabs a { min-height: 64px; font-size: 14px; white-space: nowrap; }
  .chairman-section { padding: 58px 0 68px; }
  .chairman-layout,
  .company-layout { width: calc(100% - 32px); display: grid; grid-template-columns: 1fr; gap: 34px; }
  .chairman-photo,
  .chairman-copy,
  .company-copy,
  .profile-video { width: auto; }
  .chairman-photo { min-height: 0; }
  .chairman-photo img { position: static; width: 100%; height: auto; }
  .chairman-copy > h2,
  .company-copy > h2 { font-size: 26px; }
  .chairman-signature { margin-top: 4px; }
  .chairman-text p,
  .company-text p { font-size: 14px; line-height: 2; }
  .company-section { padding: 64px 0 72px; }
  .profile-video { grid-row: 1; margin-top: 0; }
  .company-subtitle { font-size: 15px; }
  .profile-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
  .profile-metrics > div:nth-child(3)::before { display: none; }
  .profile-metrics dt .counter { font-size: 38px; }
  .profile-heading { margin-bottom: 36px; }
  .profile-heading p { font-size: 36px; }
  .profile-heading h2 { font-size: 27px; }
  .profile-heading > span { padding: 0 20px; font-size: 14px; }
  .history-section { min-height: 0; padding: 62px 0 72px; background-position: center top; }
  .history-stage { width: 100%; margin-top: 72px; aspect-ratio: auto; padding: 0 24px; }
  .history-city { position: absolute; left: 0; bottom: 0; top: auto; opacity: .38; }
  .history-nodes { position: static; display: grid; gap: 0; }
  .history-nodes li { position: relative; left: auto; top: auto; bottom: auto; min-height: 108px; padding-left: 28px; }
  .history-nodes li > span { left: 5px; top: 5px; bottom: 0; width: 1px; height: auto; }
  .history-nodes li > span::before { top: 0; bottom: auto; }
  .history-nodes li > div,
  .history-nodes .node-top > div,
  .history-nodes .node-bottom > div { position: static; width: auto; transform: none; }
  .history-nodes h3 { font-size: 23px; }
  .history-nodes p { font-size: 13px; }
  .coverage-section { padding: 62px 0 66px; }
  .coverage-visual img { width: 100%; }
  .coverage-note { width: calc(100% - 32px); margin-top: 22px; text-align: left; }
}