.shell {
    width: min(calc(100% - 48px), var(--content));
    margin-inline: auto;
  }

  .hero {
    min-height: 492px;
    color: var(--white);
    background: var(--academic-blue);
  }

  .hero-inner {
    display: flex;
    min-height: 400px;
    align-items: center;
    padding-block: 108px 48px;
  }

  .hero-copy {
    width: min(100%, 860px);
  }

  .eyebrow,
  .section-kicker {
    margin: 0 0 16px;
    color: inherit;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: .12em;
    text-transform: uppercase;
  }

  .hero h1 {
    margin: 0;
    font-size: clamp(38px, 5vw, 58px);
    font-weight: 820;
    line-height: 1.18;
    letter-spacing: -.04em;
    word-break: keep-all;
    text-wrap: balance;
  }

  .hero-title-line {
    display: block;
  }

  .hero-description {
    max-width: 760px;
    margin: 20px 0 0;
    color: rgba(255, 255, 255, .78);
    font-size: clamp(16px, 1.6vw, 19px);
    line-height: 1.7;
    word-break: keep-all;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
  }

  .home-data-status {
    max-width: 700px;
    margin: 18px 0 0;
    padding: 11px 13px;
    color: var(--white);
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.55;
  }

  .button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    font-size: 14px;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
  }

  .button:focus-visible,
  .text-link:focus-visible,
  .research-card:focus-visible,
  .news-card:focus-visible,
  .stat:focus-visible,
  .footer-link:focus-visible {
    outline: 3px solid rgba(11, 65, 111, .5);
    outline-offset: 3px;
  }

  .hero .button:focus-visible,
  .hero .video-link:focus-visible,
  .join-card .button:focus-visible {
    outline-color: rgba(255, 255, 255, .82);
  }

  .button-primary {
    color: var(--navy-950);
    background: var(--white);
  }

  .button-primary:hover {
    background: #edf2f6;
  }

  .button-secondary {
    color: var(--white);
    background: transparent;
    border-color: rgba(255, 255, 255, .42);
  }

  .button-secondary:hover {
    background: rgba(255, 255, 255, .1);
  }

  .video-link {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 8px;
    padding-inline: 6px;
    color: rgba(255, 255, 255, .76);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
  }

  .video-link:hover {
    color: var(--white);
  }

  .video-link .play {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .4);
    border-radius: 6px;
    font-size: 9px;
  }

  .stats-wrap {
    background: var(--white);
    border-block: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
  }

  .stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .stat {
    display: flex;
    min-width: 0;
    min-height: 92px;
    align-items: center;
    gap: 14px;
    padding: 22px 24px;
    color: var(--ink);
    border-right: 1px solid var(--line);
    text-decoration: none;
  }

  .stat:last-child {
    border-right: 0;
  }

  .stat:hover .stat-label {
    color: var(--academic-blue);
  }

  .stat:hover {
    background: var(--academic-blue-soft);
  }

  .stat-value {
    flex: 0 0 auto;
    color: var(--academic-blue);
    font-size: clamp(30px, 3vw, 40px);
    font-weight: 820;
    line-height: 1;
    letter-spacing: -.04em;
  }

  .stat-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
    line-height: 1.45;
  }

  .section {
    padding-block: 56px;
  }

  .section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
  }

  .section-kicker {
    margin-bottom: 10px;
    color: var(--blue);
  }

  .section-title {
    margin: 0;
    color: var(--ink);
    font-size: var(--text-title);
    font-weight: 820;
    line-height: 1.15;
    letter-spacing: -.035em;
  }

  .section-copy {
    max-width: 640px;
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
    word-break: keep-all;
  }

  .text-link {
    display: inline-flex;
    min-height: 44px;
    flex: 0 0 auto;
    align-items: center;
    gap: 7px;
    color: var(--blue);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
  }

  .text-link:hover {
    color: var(--red);
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 20px;
  }

  .research-card {
    display: grid;
    min-width: 0;
    overflow: hidden;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(13, 44, 75, .06);
    text-decoration: none;
  }

  .research-card:hover {
    border-color: #b8c8d7;
    box-shadow: 0 12px 28px rgba(13, 44, 75, .1);
  }

  .research-visual {
    display: grid;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    place-items: center;
    padding: 12px;
    background: #f7f9fb;
    border-bottom: 1px solid var(--line);
  }

  .research-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--white);
    user-select: none;
    -webkit-user-drag: none;
  }

  .research-image-fallback {
    display: grid;
    width: 100%;
    height: 100%;
    place-items: center;
    padding: 24px;
    color: var(--muted);
    background: #edf2f6;
    border: 1px dashed #b8c5d0;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    text-align: center;
  }

  .research-body {
    padding: 22px;
  }

  .research-title {
    margin: 0;
    font-size: clamp(21px, 2vw, 27px);
    font-weight: 820;
    line-height: 1.25;
    letter-spacing: -.03em;
    text-wrap: balance;
  }

  .research-summary {
    display: -webkit-box;
    min-height: 72px;
    margin: 14px 0 0;
    overflow: hidden;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
    word-break: keep-all;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .topic-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 19px 0 0;
    padding: 0;
    list-style: none;
  }

  .topic {
    padding: 6px 9px;
    color: #244867;
    background: #edf3f7;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 750;
    line-height: 1.25;
  }

  .updates-section {
    background: var(--soft);
    border-block: 1px solid var(--line-soft);
  }

  .updates-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .updates-column {
    min-width: 0;
    padding: 22px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 12px;
  }

  .updates-column-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--navy-900);
  }

  .updates-title {
    margin: 0;
    font-size: 22px;
    font-weight: 820;
    letter-spacing: -.025em;
  }

  .news-list {
    display: grid;
  }

  .news-card {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr) 24px;
    align-items: center;
    gap: 16px;
    min-height: 96px;
    padding: 14px 4px;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    text-decoration: none;
  }

  .news-card:last-child {
    border-bottom: 0;
  }

  .news-card:hover .news-title {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .news-meta {
    display: grid;
    justify-items: start;
    gap: 8px;
  }

  .badge {
    display: inline-flex;
    min-height: 25px;
    align-items: center;
    padding: 4px 8px;
    color: var(--blue);
    background: #eaf2f9;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 850;
  }

  .badge-paper { color: #0c558c; background: #e5f2fb; }
  .badge-project { color: #35526b; background: #eef3f7; }
  .badge-award { color: #795300; background: #fff3cf; }
  .badge-people { color: #176341; background: #e7f5ed; }

  .news-date {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
  }

  .news-title {
    margin: 0;
    font-size: 17px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: -.02em;
  }

  .news-summary {
    display: -webkit-box;
    margin: 6px 0 0;
    overflow: hidden;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
    word-break: keep-all;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .news-arrow {
    color: #8297aa;
    font-size: 20px;
  }

  .join-section {
    padding-block: 56px;
  }

  .join-card {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
    align-items: stretch;
    gap: 20px 32px;
    padding: 32px;
    color: var(--white);
    background: var(--academic-blue);
    border-radius: 12px;
  }

  .join-intro {
    grid-column: 1 / -1;
  }

  .join-card .eyebrow {
    color: rgba(255, 255, 255, .72);
  }

  .join-title {
    margin: 0;
    font-size: clamp(28px, 3.5vw, 40px);
    line-height: 1.2;
    letter-spacing: -.035em;
  }

  .join-copy {
    max-width: 660px;
    margin: 15px 0 0;
    color: rgba(255, 255, 255, .72);
    font-size: 15px;
    line-height: 1.7;
    word-break: keep-all;
  }

  .recruitment-list {
    display: grid;
    gap: 8px;
    max-width: 660px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .recruitment-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 7px;
    min-height: 62px;
  }

  .recruitment-title {
    font-size: 13px;
    font-weight: 760;
  }

  .recruitment-detail {
    margin-top: 4px;
    color: rgba(255, 255, 255, .58);
    font-size: 11px;
    line-height: 1.45;
  }

  .recruitment-status {
    flex: 0 0 auto;
    padding: 5px 8px;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 800;
  }

  .recruitment-empty {
    color: rgba(255, 255, 255, .7);
    font-size: 13px;
  }

  .join-actions {
    display: grid;
    gap: 8px;
  }

  .join-actions .button {
    min-height: 62px;
  }

  .empty-state {
    padding: 26px;
    color: var(--muted);
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: 9px;
    font-size: 14px;
    line-height: 1.6;
  }

  .research-grid > .empty-state,
  .updates-grid > .empty-state {
    grid-column: 1 / -1;
  }

  @media (max-width: 960px) {
    .research-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .research-card:last-child:nth-child(odd) {
      grid-column: 1 / -1;
    }

    .updates-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 720px) {
    .shell {
      width: min(calc(100% - 32px), var(--content));
    }

    .hero {
      min-height: 0;
    }

    .hero-inner {
      min-height: 0;
      padding-block: 92px 38px;
    }

    .hero h1 {
      font-size: clamp(34px, 10vw, 46px);
    }

    .hero-title-line {
      display: inline;
    }

    .hero-title-line + .hero-title-line::before {
      content: " ";
    }

    .stats {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stat {
      min-height: 82px;
      padding: 16px;
      border-bottom: 1px solid var(--line);
    }

    .stat:nth-child(2) {
      border-right: 0;
    }

    .stat:nth-last-child(-n + 2) {
      border-bottom: 0;
    }

    .section {
      padding-block: 48px;
    }

    .section-head {
      display: block;
      margin-bottom: 22px;
    }

    .section-head > .text-link {
      margin-top: 14px;
    }

    .research-grid {
      grid-template-columns: 1fr;
    }

    .research-card:last-child:nth-child(odd) {
      grid-column: auto;
    }

    .research-summary {
      min-height: 0;
    }

    .updates-column {
      padding: 18px;
    }

    .news-card {
      grid-template-columns: 1fr 22px;
      gap: 12px;
      padding-block: 14px;
    }

    .news-meta {
      grid-column: 1 / -1;
      display: flex;
      align-items: center;
    }

    .news-summary {
      display: none;
    }

    .join-section {
      padding-block: 40px;
    }

    .join-card {
      grid-template-columns: 1fr;
      gap: 22px;
      padding: 24px 20px;
    }

    .join-intro {
      grid-column: 1;
    }

    .join-actions {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 420px) {
    .hero-actions {
      display: grid;
      grid-template-columns: 1fr;
    }

    .video-link {
      justify-content: center;
    }

    .stat {
      display: block;
    }

    .stat-label {
      display: block;
      margin-top: 7px;
    }
  }