:root {
  color-scheme: light;
  --blue: #063b8f;
  --blue-deep: #032d70;
  --blue-soft: #edf4ff;
  --red: #d91222;
  --red-dark: #b80c19;
  --ink: #172033;
  --muted: #616b7d;
  --line: #d8dee8;
  --soft: #f5f7fa;
  --white: #fff;
  --container: 1280px;
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; color: var(--ink); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; line-height: 1.6; letter-spacing: 0; }
body.is-locked { overflow: hidden; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; }
img, svg { display: block; }
a { color: inherit; }
button, input, select, textarea { color: inherit; font: inherit; letter-spacing: 0; }
button, select { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible { outline: 3px solid rgb(20 101 204 / 30%); outline-offset: 3px; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 9px 13px; color: #fff; background: var(--blue); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; height: 82px; background: rgb(255 255 255 / 96%); border-top: 1px solid #aaa; border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { display: grid; width: min(calc(100% - 48px), 1428px); grid-template-columns: 280px minmax(0, 1fr) 150px; align-items: center; height: 100%; }
.brand { display: flex; align-items: center; align-self: stretch; padding-left: 16px; border-right: 1px solid #edf0f4; text-decoration: none; }
.brand img { width: 195px; height: auto; }
.site-nav { display: flex; align-self: stretch; justify-content: center; }
.site-nav a { position: relative; display: grid; min-width: 158px; place-items: center; padding: 0 18px; font-size: 19px; font-weight: 650; text-decoration: none; }
.site-nav a::after { position: absolute; right: 30%; bottom: 0; left: 30%; height: 3px; background: var(--red); transform: scaleX(0); content: ""; transition: transform 180ms ease; }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.header-action { min-width: 148px; min-height: 48px; justify-self: end; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; background: transparent; border: 0; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--blue); }

.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; border-radius: var(--radius); font-weight: 700; text-decoration: none; }
.button--red { color: #fff; background: var(--red); border-color: var(--red); }
.button--red:hover { background: var(--red-dark); border-color: var(--red-dark); }
.button--blue { color: #fff; background: var(--blue); border-color: var(--blue); }
.button--outline { color: #fff; background: rgb(255 255 255 / 8%); border-color: rgb(255 255 255 / 75%); }
.button--outline:hover { background: rgb(255 255 255 / 16%); }

.hero { position: relative; min-height: 590px; overflow: hidden; color: #fff; background: #244b75; }
.hero-media { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgb(2 33 77 / 90%) 0%, rgb(4 48 98 / 73%) 35%, rgb(4 48 98 / 20%) 70%, rgb(4 48 98 / 6%) 100%), url("../assets/images/hero-campus.webp"); background-position: center, center; background-size: cover; transform: scale(1.01); }
.hero-inner { position: relative; display: grid; min-height: 590px; grid-template-columns: minmax(0, 1fr) 330px; align-items: center; gap: 72px; }
.hero-copy { max-width: 700px; padding: 70px 0; }
.hero-kicker, .section-kicker { display: block; color: #adcaf5; font-size: 13px; font-weight: 750; text-transform: uppercase; }
.hero h1 { margin-top: 10px; font-size: 64px; line-height: 1.14; }
.hero-lead { margin-top: 12px; font-size: 28px; font-weight: 650; }
.hero-summary { max-width: 650px; margin-top: 16px; color: rgb(255 255 255 / 82%); font-size: 17px; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; }
.hero-brief { align-self: end; margin-bottom: 54px; padding: 22px 24px; background: rgb(3 33 75 / 76%); border-left: 3px solid var(--red); backdrop-filter: blur(8px); }
.hero-brief > span { color: #c3d7f4; font-size: 13px; }
.hero-brief strong { display: block; margin-top: 4px; font-size: 20px; line-height: 1.45; }
.hero-brief p { margin-top: 8px; color: rgb(255 255 255 / 75%); font-size: 14px; }
.hero-brief a { display: inline-flex; gap: 6px; margin-top: 15px; color: #fff; font-weight: 700; text-decoration: none; }

.section { padding: 76px 0; }
.section-heading { margin-bottom: 30px; }
.section-heading--split { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.section-kicker { color: var(--blue); }
.section-heading h2 { margin-top: 3px; font-size: 36px; line-height: 1.25; }
.section-heading--split > p { max-width: 520px; color: var(--muted); }

.collaboration-section { background: #fff; }
.collaboration-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(360px, .8fr); gap: 34px; }
.collaboration-feature { display: grid; grid-template-columns: minmax(320px, .95fr) minmax(0, 1.05fr); min-height: 430px; background: var(--soft); border-bottom: 3px solid var(--blue); cursor: pointer; }
.collaboration-feature > img { width: 100%; height: 100%; object-fit: cover; }
.collaboration-feature__copy { display: flex; flex-direction: column; justify-content: center; padding: 40px; }
.relation { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: 14px; font-weight: 750; }
.relation b { color: var(--red); }
.relation i { font-style: normal; }
.collaboration-feature h3 { margin-top: 18px; font-size: 29px; line-height: 1.42; }
.meta { color: var(--muted); font-size: 14px; }
.collaboration-feature .meta { margin-top: 18px; }
.collaboration-feature__copy > p:not(.relation, .meta) { margin-top: 15px; color: #404a5b; }
.resource-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; list-style: none; }
.resource-tags li { padding: 3px 9px; color: var(--blue); background: var(--blue-soft); border-radius: 4px; font-size: 12px; }
.collaboration-side { display: grid; gap: 20px; }
.compact-story { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); cursor: pointer; }
.compact-story:last-child { border-bottom: 0; }
.compact-story img { width: 190px; aspect-ratio: 4 / 3; object-fit: cover; }
.compact-story h3 { margin-top: 9px; font-size: 20px; line-height: 1.45; }
.compact-story .meta { margin-top: 8px; }
.compact-story div > p:last-child { margin-top: 8px; color: var(--muted); font-size: 14px; }

.market-section { background: var(--soft); }
.news-toolbar { display: grid; grid-template-columns: minmax(280px, 1fr) 210px 180px auto; gap: 10px; padding: 14px; background: #fff; border: 1px solid var(--line); }
.search-field { display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: center; padding: 0 14px; border: 1px solid #c8d0dc; }
.search-field svg { color: var(--muted); }
.search-field input { min-width: 0; min-height: 46px; padding: 0 8px; background: transparent; border: 0; outline: 0; }
.news-toolbar select { width: 100%; min-height: 48px; padding: 0 38px 0 13px; background: #fff; border: 1px solid #c8d0dc; }
.view-switch { display: grid; grid-template-columns: 1fr 1fr; min-width: 190px; border: 1px solid #c8d0dc; }
.view-switch button { padding: 0 14px; background: #fff; border: 0; }
.view-switch button.is-active { color: #fff; background: var(--blue); }
.results-summary { display: flex; min-height: 52px; align-items: center; justify-content: space-between; color: var(--muted); }
.results-summary strong { color: var(--ink); }
.results-summary button { color: var(--blue); background: transparent; border: 0; font-weight: 700; }
.news-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(420px, .8fr); gap: 34px; }
.lead-news article { height: 100%; min-height: 520px; background: #fff; cursor: pointer; }
.lead-news img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.lead-news__copy { padding: 28px 30px 32px; }
.news-label { color: var(--blue); font-size: 13px; font-weight: 750; }
.lead-news h3 { margin-top: 8px; font-size: 30px; line-height: 1.35; }
.lead-news .meta { margin-top: 12px; }
.impact { margin-top: 17px; color: #424c5e; }
.impact b { display: block; color: var(--ink); font-size: 14px; }
.news-list { display: grid; align-content: start; gap: 0; }
.news-list article { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 20px; min-height: 164px; padding: 20px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.news-list article:first-child { padding-top: 0; }
.news-list img { width: 180px; height: 128px; object-fit: cover; }
.news-list h3 { margin-top: 5px; font-size: 19px; line-height: 1.45; }
.news-list .meta { margin-top: 7px; }
.news-list .impact { margin-top: 8px; font-size: 13px; line-height: 1.5; }
.empty-state { padding: 64px 20px; background: #fff; text-align: center; }
.empty-state h3 { font-size: 24px; }
.empty-state p { margin: 6px 0 22px; color: var(--muted); }
.information-boundary { margin-top: 28px; padding-top: 20px; color: var(--muted); border-top: 1px solid var(--line); font-size: 14px; text-align: center; }

.signals-section { padding-block: 66px; }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-grid article { position: relative; min-height: 160px; padding: 30px 34px; }
.signal-grid article + article { border-left: 1px solid var(--line); }
.signal-grid b { color: var(--blue); font-size: 15px; }
.signal-grid h3 { margin-top: 6px; font-size: 22px; }
.signal-grid p { margin-top: 8px; color: var(--muted); }

.capability-section { background: #f1f5fb; }
.capability-inner { display: grid; grid-template-columns: 350px minmax(0, 1fr); align-items: center; gap: 70px; }
.capability-inner h2 { margin-top: 3px; font-size: 34px; }
.capability-inner > div > p { margin-top: 8px; color: var(--muted); }
.capability-inner .button { margin-top: 22px; }
.capability-inner ol { display: grid; grid-template-columns: repeat(5, 1fr); list-style: none; }
.capability-inner li { position: relative; padding: 18px 16px; border-left: 1px solid #cdd6e4; }
.capability-inner li b { display: block; color: var(--blue); font-size: 25px; }
.capability-inner li span { display: block; margin-top: 4px; font-weight: 700; }
.capability-inner li:not(:last-child)::after { position: absolute; top: 48%; right: -8px; z-index: 2; color: var(--blue); background: #f1f5fb; content: "→"; }

.cta-section { padding: 46px 0; color: #fff; background: var(--blue); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { font-size: 31px; }
.cta-inner p { margin-top: 5px; color: rgb(255 255 255 / 75%); }
.cta-inner .button { min-width: 180px; }
.site-footer { padding: 52px 0; color: #d6dfed; background: #06285a; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .65fr 1.25fr 1.25fr; gap: 44px; }
.footer-grid > div + div { padding-left: 34px; border-left: 1px solid rgb(255 255 255 / 24%); }
.footer-grid img { width: 170px; height: auto; padding: 10px 14px; background: #fff; }
.footer-grid h2 { margin-bottom: 13px; color: #fff; font-size: 17px; }
.footer-grid p, .footer-grid a { color: #b9c7db; font-size: 14px; }
.footer-grid p { margin-top: 16px; }
.footer-grid a { display: block; margin-top: 6px; text-decoration: none; }

dialog { max-width: none; max-height: none; padding: 0; color: var(--ink); background: #fff; border: 0; }
dialog::backdrop { background: rgb(9 24 50 / 52%); }
.news-dialog { width: min(640px, 100vw); height: 100dvh; margin: 0 0 0 auto; box-shadow: -15px 0 45px rgb(9 24 50 / 22%); }
.news-dialog article { height: 100%; overflow-y: auto; }
.news-dialog header, .join-dialog header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding: 24px 28px; border-bottom: 1px solid var(--line); }
.news-dialog header p, .join-dialog header span { color: var(--blue); font-size: 13px; font-weight: 750; }
.news-dialog header h2, .join-dialog header h2 { margin-top: 5px; font-size: 27px; line-height: 1.4; }
.news-dialog > article > img { width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; }
.news-dialog__body { padding: 28px 30px 50px; }
.dialog-meta { color: var(--muted); font-size: 14px; }
.dialog-summary { margin-top: 16px; font-size: 17px; }
.news-dialog__body section { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.news-dialog__body section h3 { margin-bottom: 8px; font-size: 18px; }
.dialog-boundary { padding: 18px; background: var(--soft); border-top: 0 !important; }
.text-link { display: inline-block; margin-top: 24px; color: var(--blue); font-weight: 700; text-decoration: none; }
.icon-button { flex: 0 0 44px; display: grid; width: 44px; height: 44px; place-items: center; padding: 0; background: transparent; border: 0; }
.icon-button span { color: var(--ink) !important; font-size: 32px !important; font-weight: 300 !important; line-height: 1; }
.join-dialog { width: min(540px, calc(100vw - 32px)); margin: auto; border-radius: var(--radius); }
.join-dialog header p { margin-top: 5px; color: var(--muted); font-size: 14px; }
.form-body { display: grid; gap: 16px; padding: 24px 28px 30px; }
.form-body label { display: grid; gap: 7px; font-weight: 700; }
.form-body input, .form-body select, .form-body textarea { width: 100%; min-height: 46px; padding: 10px 12px; background: #fff; border: 1px solid #bcc6d4; border-radius: 4px; font-weight: 400; resize: vertical; }
.form-result { min-height: 22px; color: var(--blue); }
.toast { position: fixed; z-index: 80; right: 24px; bottom: 24px; max-width: min(360px, calc(100vw - 48px)); padding: 12px 18px; color: #fff; background: var(--ink); border-radius: 4px; opacity: 0; transform: translateY(14px); pointer-events: none; transition: 160ms ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1200px) {
  .header-inner { grid-template-columns: 220px minmax(0, 1fr) 130px; }
  .site-nav a { min-width: 120px; }
}

@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) 290px; gap: 32px; }
  .collaboration-grid { grid-template-columns: 1fr; }
  .collaboration-side { grid-template-columns: 1fr 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr 1fr; gap: 24px; }
  .news-list article { grid-template-columns: 150px minmax(0, 1fr); }
  .news-list img { width: 150px; }
  .news-toolbar { grid-template-columns: minmax(260px, 1fr) 190px 170px; }
  .view-switch { grid-column: 1 / -1; min-height: 44px; }
  .capability-inner { grid-template-columns: 290px minmax(0, 1fr); gap: 30px; }
}

@media (max-width: 900px) {
  .container { width: min(calc(100% - 40px), 760px); }
  .site-header { height: 68px; }
  .header-inner { width: min(calc(100% - 40px), 760px); grid-template-columns: 1fr auto auto; gap: 10px; }
  .brand { padding-left: 0; border-right: 0; }
  .brand img { width: 145px; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; z-index: 120; top: 68px; right: 0; left: 0; display: none; padding: 12px 20px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px rgb(0 30 70 / 10%); }
  .site-nav.is-open { display: grid; }
  .site-nav a { min-height: 46px; justify-content: start; }
  .site-nav a::after { display: none; }
  .header-action { min-width: 112px; min-height: 42px; padding-inline: 14px; }
  .hero, .hero-inner { min-height: 620px; }
  .hero-inner { display: flex; flex-direction: column; align-items: stretch; justify-content: center; }
  .hero-copy { padding: 70px 0 0; }
  .hero h1 { font-size: 52px; }
  .hero-lead { font-size: 24px; }
  .hero-brief { align-self: stretch; max-width: 440px; margin: 0 0 48px; }
  .section { padding: 62px 0; }
  .section-heading--split { display: block; }
  .section-heading--split > p { margin-top: 10px; }
  .collaboration-feature { grid-template-columns: 1fr; }
  .collaboration-feature > img { aspect-ratio: 16 / 8; }
  .collaboration-side { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .news-toolbar { grid-template-columns: 1fr 1fr; }
  .search-field, .view-switch { grid-column: 1 / -1; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid article + article { border-top: 1px solid var(--line); border-left: 0; }
  .capability-inner { grid-template-columns: 1fr; }
  .capability-inner ol { overflow-x: auto; }
  .capability-inner li { min-width: 145px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div + div { padding-left: 0; border-left: 0; }
}

@media (max-width: 600px) {
  .container { width: calc(100% - 32px); }
  .header-inner { width: calc(100% - 28px); }
  .header-action { display: none; }
  .hero { min-height: 650px; }
  .hero-media { background-image: linear-gradient(180deg, rgb(2 33 77 / 86%) 0%, rgb(4 48 98 / 70%) 58%, rgb(4 48 98 / 46%) 100%), url("../assets/images/hero-campus.webp"); background-position: center, 57% center; }
  .hero-inner { min-height: 650px; }
  .hero-copy { padding-top: 62px; }
  .hero h1 { font-size: 40px; }
  .hero-lead { font-size: 21px; }
  .hero-summary { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-brief { margin-bottom: 30px; }
  .section-heading h2 { font-size: 30px; }
  .collaboration-feature__copy { padding: 26px 22px 30px; }
  .collaboration-feature h3 { font-size: 24px; }
  .compact-story { grid-template-columns: 1fr; }
  .compact-story img { width: 100%; aspect-ratio: 16 / 8.5; }
  .news-toolbar { grid-template-columns: 1fr; padding: 10px; }
  .search-field, .view-switch { grid-column: 1; }
  .lead-news article { min-height: 0; }
  .lead-news__copy { padding: 22px 20px 25px; }
  .lead-news h3 { font-size: 24px; }
  .news-list article { grid-template-columns: 116px minmax(0, 1fr); gap: 14px; }
  .news-list img { width: 116px; height: 104px; }
  .news-list h3 { font-size: 17px; }
  .news-list .impact { display: none; }
  .signal-grid article { min-height: 0; padding: 24px 20px; }
  .capability-inner ol { width: calc(100vw - 32px); }
  .cta-inner { align-items: stretch; flex-direction: column; }
  .cta-inner h2 { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr; }
  .news-dialog { width: 100vw; }
  .news-dialog header, .join-dialog header { padding: 18px; }
  .news-dialog header h2 { font-size: 23px; }
  .news-dialog__body, .form-body { padding: 22px 18px 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
