/* R&D content follows the site's existing shared heading font and industrial blue palette. */
.research-page { --rd-header-height: 65px; --rd-tabs-height: 65px; --rd-blue: #0369ae; }
.research-page .rd-main { color: #293746; }
.rd-container { width: 88%; max-width: 1440px; margin: 0 auto; }
.rd-hero { position: relative; isolation: isolate; height: clamp(340px,30vw,560px); margin-top: var(--rd-header-height); }
.rd-hero > img { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; object-fit: cover; object-position: center 53%; }
.rd-hero > div { height: 100%; display: flex; align-items: center; }
.rd-hero h1 { margin: 0; color: #fff; font-size: clamp(32px,3vw,52px); line-height: 1.4; }
.rd-tabs { position: sticky; top: var(--rd-header-height); z-index: 8; background: #fff; border-bottom: 1px solid #e7edf2; }
.rd-tabs > div { display: flex; justify-content: center; gap: 100px; min-height: 65px; }
.rd-tabs a { position: relative; display: flex; align-items: center; color: #293746; font-size: 16px; text-decoration: none; }
.rd-tabs a::after { content: ''; position: absolute; bottom: 0; width: 100%; height: 3px; background: var(--rd-blue); transform: scaleX(0); transition: transform .25s ease; }
.rd-tabs a:is(:hover,[aria-current]) { color: var(--rd-blue); }.rd-tabs a:is(:hover,[aria-current])::after { transform: scaleX(1); }
.rd-section { padding: clamp(60px,6.5vw,110px) 0; background: #fff; }
.rd-split { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); align-items: center; gap: clamp(50px,6vw,110px); }
.rd-copy h2, .rd-production-heading h2 { margin: 0 0 30px; font-size: clamp(28px,2.25vw,42px); line-height: 1.4; color: #293746; }
.rd-team figure { margin: 0; min-width: 0; }
.rd-team figure img { display: block; width: 100%; aspect-ratio: 16 / 11; object-fit: cover; border-radius: 24px; }
.rd-team figcaption { margin-top: 10px; text-align: right; color: #95a0aa; font-size: 12px; }
.rd-team-scale { display: flex; align-items: baseline; gap: 24px; margin-bottom: 22px; }
.rd-team-scale > span { font-size: 16px; color: #667583; }.rd-team-scale strong { color: var(--rd-blue); font-size: clamp(44px,4vw,66px); font-weight: 400; line-height: 1.2; }.rd-team-scale small { margin-left: 5px; font-size: 22px; }
.rd-lead { margin: 0 0 30px; font-size: 16px; line-height: 1.9; color: #667583; }
.rd-team-facts { display: grid; gap: 22px; }.rd-team-facts > div { display: flex; align-items: center; gap: 18px; }.rd-team-facts svg { width: 32px; height: 32px; color: var(--rd-blue); flex-shrink: 0; }.rd-team-facts h3 { margin: 0 0 6px; font-size: 19px; line-height: 1.5; }.rd-team-facts p { margin: 0; font-size: 14px; line-height: 1.8; color: #77848f; }.rd-team-facts p span { color: var(--rd-blue); }
.rd-patents { background: #f6f8fa; }.rd-chart { min-width: 0; }.rd-chart > svg { display: block; width: 100%; height: auto; overflow: visible; }
.rd-patent-slice { cursor: pointer; transform: translate(var(--slice-x),var(--slice-y)); transition: transform .35s cubic-bezier(.22,1,.36,1); }.rd-patent-slice.is-active { transform: translate(calc(var(--slice-x) * 1.7),calc(var(--slice-y) * 1.7)); }.rd-patent-slice:focus-visible path { stroke: #163a56; stroke-width: 3px; }
.rd-chart-labels { pointer-events: none; }.rd-chart-labels text { font-size: 15px; fill: #465968; font-family: var(--site-title-font, "微软雅黑",sans-serif); }
.rd-patent-total { margin: 0 0 28px; font-size: 18px; line-height: 2; color: #667583; }.rd-patent-total strong { padding: 0 5px; font-size: 40px; font-weight: 400; color: var(--rd-blue); }
.rd-patent-keys { display: grid; gap: 12px; }.rd-patent-key { display: flex; align-items: center; gap: 15px; width: 100%; padding: 18px 22px; border: 1px solid transparent; background: #fff; color: #293746; font-family: inherit; text-align: left; cursor: pointer; transition: background-color .25s, border-color .25s; }.rd-patent-key.is-active { background: #edf5fb; border-color: #c7deed; }.rd-key-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--patent-color); flex-shrink: 0; }.rd-patent-key > span:nth-child(2) { font-size: 17px; }.rd-patent-key strong { margin-left: auto; color: var(--rd-blue); font-size: 30px; font-weight: 400; }.rd-patent-key small { margin-left: 7px; font-size: 15px; }
.rd-pyramid { display: block; width: 100%; max-width: 540px; margin: 0 auto; }.rd-pyramid text { fill: #113d60; font-size: 16px; font-family: var(--site-title-font, "微软雅黑",sans-serif); pointer-events: none; }.rd-pyramid g { opacity: .85; transition: opacity .3s; }.rd-pyramid g.is-active { opacity: 1; }
.rd-innovation-copy { margin: 0 0 36px; color: #536675; font-size: 22px; line-height: 1.9; }
.rd-generation-list { display: grid; gap: 12px; }.rd-generation-list button { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; padding: 18px 20px; border: 0; background: #f5f8fa; text-align: left; font-family: inherit; cursor: pointer; transition: background-color .25s; }.rd-generation-list button.is-active { background: #e7f2fa; }.rd-generation-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--rd-blue); }.rd-generation-list button > span:nth-child(2) { color: var(--rd-blue); font-size: 18px; }.rd-generation-list small { margin-left: auto; color: #6e7f8b; font-size: 13px; line-height: 1.8; }
.rd-production-heading { text-align: center; margin-bottom: 42px; }.rd-production-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; }.rd-production-grid img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }.rd-production-grid h3 { margin: 24px 0 12px; font-size: 24px; line-height: 1.5; }.rd-production-grid p { margin: 0; font-size: 16px; line-height: 1.8; color: #77848f; }
.rd-main :is(a,button,[tabindex]):focus-visible { outline: 2px solid var(--rd-blue); outline-offset: 4px; }
@media (min-width: 1024px) { .research-page .header .active::before { content: ''; position: absolute; width: 100%; height: 3px; bottom: -21px; background: #0055a5; } }
@media (max-width: 1100px) { .rd-split { gap: 42px; }.rd-team-scale { flex-direction: column; gap: 8px; }.rd-lead { font-size: 15px; }.rd-generation-list small { width: calc(100% - 19px); margin-left: 19px; } }
@media (max-width: 768px) {
  .rd-container { width: 90%; }.rd-hero { height: 340px; }.rd-hero > img { object-position: 38% center; }.rd-tabs > div { min-height: 58px; gap: 70px; }.rd-tabs a { font-size: 15px; }
  .rd-split { grid-template-columns: minmax(0,1fr); gap: 34px; }.rd-copy h2 { margin-bottom: 24px; }.rd-team figure img { aspect-ratio: 16 / 10; border-radius: 18px; }.rd-team-scale { flex-direction: row; gap: 24px; }.rd-team-facts { gap: 20px; }
  .rd-chart { max-width: 600px; margin: 0 auto; width: 100%; }.rd-patent-total { font-size: 16px; }.rd-patent-key { padding: 16px 18px; }.rd-patent-key > span:nth-child(2) { font-size: 16px; }.rd-patent-key strong { font-size: 28px; }
  .rd-innovation-copy { font-size: 19px; }.rd-pyramid-wrap { max-width: 440px; margin: 0 auto; width: 100%; }.rd-generation-list small { width: auto; margin-left: auto; }.rd-production-grid { grid-template-columns: minmax(0,1fr); gap: 40px; }.rd-production-grid img { aspect-ratio: 16 / 10; }
}
@media (prefers-reduced-motion: reduce) { .rd-main *, .rd-tabs * { transition: none !important; } }

/* R&D overview: original laboratory image, centered team copy and quiet patent figures. */
.research-page .rd-hero.rd-hero--team[data-column-banner] { box-sizing: border-box !important; height: 800px; background: #F5F5F7; color: #243446; }
.research-page .rd-hero--team > img { z-index: -2; object-position: center 57%; }
.research-page .rd-hero--team::before { content: ''; position: absolute; z-index: -1; inset: 0; background: linear-gradient(180deg,rgba(245,245,247,.99) 0%,rgba(245,245,247,.96) 18%,rgba(245,245,247,.88) 42%,rgba(245,245,247,.45) 62%,rgba(245,245,247,.04) 82%,rgba(245,245,247,0) 100%); pointer-events: none; }
.research-page .rd-hero--team > .rd-hero-content { position: relative; display: block; height: auto; max-width: 1060px; padding: 56px 0 0; text-align: center; }
.research-page .rd-hero--team h1 { color: #243446; font-size: clamp(36px,3.3vw,54px); line-height: 1.45; }
.research-page .rd-hero-scale { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 8px 16px; margin: 24px 0 8px; color: #455464; font-size: 20px; line-height: 1.8; }
.research-page .rd-hero-scale strong,.research-page .rd-hero-summary strong { display: inline-flex; align-items: baseline; color: var(--rd-blue); font-family: Arial,"微软雅黑",sans-serif; font-weight: 600; line-height: 1.1; white-space: nowrap; }
.research-page .rd-hero-scale strong { font-size: clamp(62px,5vw,82px); }
.research-page .rd-hero-scale small { margin-left: 6px; font-size: .38em; font-weight: 400; }
.research-page .rd-hero-summary { max-width: 960px; margin: 0 auto; color: #455464; font-size: 20px; line-height: 2.1; text-wrap: pretty; }
.research-page .rd-hero-summary strong { margin: 0 6px; font-size: clamp(46px,3.7vw,60px); vertical-align: -.06em; }
.research-page .rd-hero-summary small { margin-left: 4px; font-size: .45em; font-weight: 400; }
.research-page .rd-patents--stats { padding: clamp(80px,7vw,112px) 0 clamp(88px,8vw,128px); background: #F5F5F7; text-align: center; }
.rd-visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; margin: -1px !important; padding: 0 !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; clip-path: inset(50%) !important; white-space: nowrap !important; }
.research-page .rd-patent-intro { margin: 0 0 10px; color: #667583; font-size: 18px; line-height: 1.6; }
.research-page .rd-patent-number { display: flex; align-items: baseline; justify-content: center; gap: .18em; margin: 0; color: var(--rd-blue); font-family: Arial,"微软雅黑",sans-serif; font-size: clamp(108px,11vw,174px); line-height: 1.05; }
.research-page .rd-patent-number strong { font-weight: 600; letter-spacing: -.055em; }
.research-page .rd-patent-number > span { font-size: .66em; font-weight: 500; }
.research-page .rd-patent-caption { margin: 22px 0 0; color: #344454; font-size: clamp(18px,1.7vw,25px); line-height: 1.8; }
.research-page .rd-patent-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(28px,5vw,80px); width: 100%; max-width: 1050px; margin: clamp(52px,5vw,80px) auto 0; padding: 0; list-style: none; }
.research-page .rd-patent-grid > li { min-width: 0; }
.research-page .rd-patent-count { display: flex; align-items: baseline; justify-content: center; gap: 8px; margin: 0; color: var(--rd-blue); font-family: Arial,"微软雅黑",sans-serif; font-size: clamp(42px,4.4vw,68px); line-height: 1.2; }
.research-page .rd-patent-count strong { font-weight: 400; letter-spacing: -.035em; }
.research-page .rd-patent-count > span { font-size: .42em; }
.research-page .rd-patent-grid h3 { --site-title-weight: 400; margin: 14px 0 0; color: #6d7984; font-size: 18px; line-height: 1.8; }
@media (max-width: 768px) {
  .research-page .rd-hero.rd-hero--team[data-column-banner] { height: 740px; }
  .research-page .rd-hero--team > img { object-position: 60% center; }
  .research-page .rd-hero--team > .rd-hero-content { padding-top: 44px; }
  .research-page .rd-hero--team h1 { font-size: clamp(30px,6vw,40px); }
  .research-page .rd-hero-scale { margin-top: 24px; gap: 4px 10px; font-size: 16px; }
  .research-page .rd-hero-scale strong { font-size: 64px; }
  .research-page .rd-hero-summary { max-width: 590px; font-size: 16px; line-height: 2; }
  .research-page .rd-hero-summary strong { font-size: 48px; margin: 0 4px; }
  .research-page .rd-hero-break { display: none; }
  .research-page .rd-patents--stats { padding: 64px 0 72px; }
  .research-page .rd-patent-number { font-size: clamp(100px,20vw,148px); }
  .research-page .rd-patent-caption { max-width: 330px; margin: 18px auto 0; font-size: 18px; }
  .research-page .rd-patent-grid { gap: 12px; margin-top: 44px; }
  .research-page .rd-patent-count { gap: 4px; font-size: clamp(36px,7.5vw,52px); }
  .research-page .rd-patent-grid h3 { margin-top: 12px; font-size: 14px; }
}