.stuck-btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-height:44px;min-width:88px;padding:4px 12px;border:1px solid #7b6272;border-radius:4px;background:#1a1220;color:#efe6dd;font:14px/1.25 PingFang SC,Noto Sans SC,Helvetica Neue,Arial,sans-serif;cursor:pointer}.stuck-btn:hover{border-color:#f3a6c1;background:#94708430}.stuck-btn:focus-visible{outline:2px solid #f3a6c1;outline-offset:3px}.stuck-btn .zh{display:block;margin:0;font-size:11px}dialog.stuck-dialog{max-width:min(460px,calc(100vw - 32px));padding:14px 18px 18px;border:1px solid #7b6272;border-radius:8px;background:#1a1220;color:#efe6dd;font:16px/1.55 PingFang SC,Noto Sans SC,Helvetica Neue,Arial,sans-serif}dialog.stuck-dialog::backdrop{background:#000a}.stuck-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 6px}.stuck-close{min-width:44px;min-height:44px;border:1px solid #594853;border-radius:4px;background:transparent;color:#efe6dd;font-size:22px;line-height:1;cursor:pointer}dialog.stuck-dialog h2{margin:4px 0 6px;font-size:22px}.stuck-lead{margin:0 0 12px;color:#d9ccd4}.stuck-options{display:grid;gap:10px}.stuck-option{min-height:52px;padding:10px 14px;border:1px solid #7b6272;border-radius:6px;background:#110a10;color:#efe6dd;text-align:left;font-size:16px;cursor:pointer}.stuck-option:hover{border-color:#f3a6c1}.stuck-option .zh,.stuck-lead .zh,dialog.stuck-dialog h2 .zh{display:block;margin:2px 0 0;font-size:.85em}.stuck-note{margin:12px 0 0;padding:10px 12px;border-left:4px solid #d2b27a;border-radius:4px;background:#2b2216}.breadcrumb .stuck-btn{margin-left:auto;padding:4px 12px;border:1px solid #7b6272}.school-lesson .school-progress{display:block;margin-top:4px;font-size:13px;color:var(--silver)}.school-lesson .school-progress .zh{display:block;margin:2px 0 0;font-size:.85em}.school-progress[data-stamped=true]{color:var(--gold)}.school-stamp-mark{display:inline-block;margin-right:6px;padding:0 6px;border:1px solid var(--gold);border-radius:2px;font-size:11px;letter-spacing:.04em;color:var(--gold);vertical-align:1px}.school-lesson-progress{margin:6px 0 0;font-size:14px;color:var(--silver)}.school-lesson-progress[data-stamped=true]{color:var(--gold)}.school-lesson-progress .zh{display:block;margin:2px 0 0;font-size:.85em}.school-stamp-card{margin:14px 0 0;padding:12px 16px;border:1px solid var(--gold);border-radius:3px;background:#1e131c;color:var(--white);font-size:15px;line-height:1.55}.school-stamp-card .zh{display:block;margin:4px 0 0;font-size:.85em;color:var(--silver)}.school-stamp-card:empty{display:none}.school-next-lesson{display:inline-block;margin:14px 0 0;min-height:44px;padding:10px 0;font-size:15px}