.board-mode-shell{box-sizing:border-box;width:100%;max-width:1440px;margin:0 auto;padding:12px 32px 20px}
.mode-switch{display:flex;align-items:center;gap:26px;height:49px;border-bottom:1px solid var(--line);font-size:14px}
.mode-switch a{display:inline-flex;align-items:center;min-height:48px;border-bottom:2px solid transparent;color:var(--muted);font-weight:500}
.mode-switch a[aria-current]{color:var(--accent);border-color:var(--accent)}
.lab-board-page .lab-board{padding-top:0}
@media(max-width:1199px){.board-mode-shell{padding-inline:24px}}
@media(max-width:600px){.board-mode-shell{padding-inline:16px}}
.mode-switch .mode-ladder{margin-left:auto;font:12.5px var(--mono);font-weight:400}