body.app-page{min-height:100vh}.sidebar-brand .brand-mark{letter-spacing:-.04em;width:42px;min-width:42px;font-size:11px}#coach-nav>[data-view=dashboard],#coach-nav>[data-view=players],#coach-nav>[data-view=knowledge],#player-nav,#admin-nav,#logout-button,#platform-switcher{display:none!important}#coach-nav .nav-group-label:after{content:" · 公开演示";color:var(--color-primary,#2463e9)}#privacy-caption:after{content:" · 本次浏览不保存操作"}dialog.showcase-contact-dialog{background:0 0;border:0;width:min(420px,100vw - 28px);max-width:min(420px,100vw - 28px);padding:0}.showcase-contact-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0a122394}.showcase-contact-dialog .modal-card{width:100%;padding:22px 24px 20px}.showcase-contact-dialog .modal-heading{margin-bottom:12px}.showcase-contact-dialog h2{margin:0;font-size:20px}#showcase-contact-action{color:var(--color-text-secondary,#5d6678);margin:0;font-size:14px;line-height:1.65}.showcase-contact-dialog .modal-actions{margin-top:18px}.showcase-attempt-switcher{align-items:center;gap:8px;margin-right:auto;display:flex}.showcase-attempt-switcher>span{color:var(--color-text-tertiary,#7b8495);font-size:12px}.showcase-attempt-button{border:1px solid var(--color-border,#dbe3ee);color:var(--color-text-secondary,#586174);cursor:pointer;font:inherit;background:#fff;border-radius:8px;padding:7px 10px;font-size:12px}.showcase-attempt-button.is-active{border-color:var(--color-primary,#2463e9);color:var(--color-primary,#2463e9);background:#2463e914;font-weight:700}.showcase-memory-note{color:var(--color-text-tertiary,#7b8495);align-items:center;gap:6px;font-size:12px;display:inline-flex}.showcase-memory-note:before{content:"";background:#33b99a;border-radius:50%;width:7px;height:7px}@media (width<=760px){.showcase-attempt-switcher{flex-wrap:wrap;width:100%}}