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14px}.ghost-btn.primary:hover{background:var(--brand-ink);color:#fff}.ghost-btn.primary:disabled{opacity:.55;cursor:default}.cls-list{display:flex;flex-direction:column;gap:12px}.cls{background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}.cls.open{border-color:var(--sky);box-shadow:0 4px 18px rgba(14,165,233,.1)}.cls-head{width:100%;display:flex;align-items:center;gap:11px;padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left}.cls-head:hover{background:#f7fbff}.cls-caret{color:var(--muted);font-size:13px;transition:transform .18s;flex:0 0 auto}.cls.open .cls-caret{transform:rotate(90deg);color:var(--brand)}.cls-name{font-size:20px;font-weight:800;color:var(--ink);flex:0 0 auto}.cls-sum{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;font-size:13px;color:var(--muted)}.cls-sum b{color:var(--ink);font-weight:700}.cls-body{border-top:1px solid var(--border);padding:8px;display:flex;flex-direction:column;gap:6px}.cls-none{color:var(--muted);font-size:13.5px;margin:0}.cls-none,.stu{padding:12px 14px}.stu{display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid transparent;border-radius:10px;background:transparent;cursor:pointer;transition:background .12s,border-color .12s}.stu:hover{background:var(--brand-soft);border-color:#bfe3f8}.stu.mine{background:#f2fbff;border-color:#cbe9fa}.stu-id{font-weight:800;font-size:14.5px;color:var(--ink);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stu-who{font-size:13px;color:var(--muted)}.stu-counts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.stu-go{color:var(--muted);font-size:17px;flex:0 0 auto}.cnt{font-size:12px;font-weight:600;color:var(--ink);background:var(--model-bubble);border-radius:20px;padding:3px 10px;white-space:nowrap}.cnt-none{font-size:12.5px;color:var(--muted);font-style:normal}.stu-top{display:flex;align-items:center;gap:9px;min-width:0;font-size:16px}.stu-top-id{font-size:13px;color:var(--muted);font-weight:600}.wk-row{display:flex;flex-direction:column;gap:26px;max-width:1000px;margin:0 auto}.wk{min-width:0}.wk-head{display:flex;align-items:center;gap:9px;margin-bottom:9px;min-height:30px}.wk-title{font-size:14.5px;font-weight:700;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wk-box{position:relative;border-radius:13px;overflow:hidden;background:var(--panel);border:1px solid var(--border)}.wk-box.is-empty{aspect-ratio:4/3;display:grid;place-items:center;background:var(--model-bubble)}.wk-box:has(.wk-frame){aspect-ratio:1/.72}.wk-frame{border:0;background:#fff;transform-origin:top left;position:absolute;top:0;left:0}.wk-video{width:100%;display:block;background:#000}.wk-cuts{display:flex;flex-direction:column;gap:8px;padding:8px}.wk-cuts figure{margin:0;position:relative}.wk-cuts img{width:100%;border-radius:9px;display:block;background:#fff}.wk-cuts figcaption{position:absolute;left:8px;top:8px;width:24px;height:24px;border-radius:50%;background:rgba(0,0,0,.62);color:#fff;font-size:12.5px;font-weight:700;display:grid;place-items:center}.gal-backdrop{position:fixed;inset:0;background:rgba(20,35,60,.45);z-index:60;display:grid;place-items:center;padding:20px}.gal-modal{background:var(--panel);border-radius:16px;padding:20px 22px 18px;width:min(560px,100%);max-height:92vh;overflow-y:auto;box-shadow:0 18px 50px rgba(20,45,80,.28)}.gal-modal-head{display:flex;align-items:center;gap:9px;margin-bottom:14px;font-size:17px}.gal-who-tag{font-size:12px;color:var(--muted);font-weight:600}.gal-x{margin-left:auto;background:transparent;border:0;font-size:17px;color:var(--muted);cursor:pointer}.gal-slot-pick{display:flex;gap:8px;margin-bottom:12px}.gal-slot-pick button{flex:1 1;padding:10px;border-radius:10px;border:1px solid var(--border);background:transparent;font-weight:700;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}.gal-slot-pick button.on{border-color:var(--sky);background:var(--brand-soft);color:var(--brand-ink)}.gal-done{color:var(--ok);font-size:12px}.gal-warn{background:#fff6e3;border:1px solid #f3d9a8;color:#9a6208;border-radius:9px;padding:9px 12px;font-size:13px;margin:0 0 12px}.gal-label{display:block;font-size:12.5px;font-weight:700;color:var(--ink);margin:12px 0 5px}.gal-label span{font-weight:500;color:var(--muted)}.gal-input,.gal-ta{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff}.gal-ta{min-height:120px;resize:vertical;font-family:Consolas,Menlo,monospace;font-size:12px;line-height:1.5}.gal-ta:disabled{background:#f4f7fa;color:var(--muted)}.gal-or{text-align:center;color:var(--muted);font-size:12px;margin:14px 0 0}.gal-file{display:block;margin-top:5px;font-size:13px}.gal-picked{font-size:12.5px;color:var(--ink);margin:8px 0 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.gal-clear{background:transparent;border:0;color:var(--danger);font-size:12px;cursor:pointer;text-decoration:underline}.gal-msg{color:var(--danger);font-size:13px;margin:12px 0 0;line-height:1.55}.gal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.wk-dl{font-size:12px;font-weight:700;color:var(--ink);background:var(--model-bubble);border:1px solid var(--border);border-radius:8px;padding:5px 10px;cursor:pointer;flex:0 0 auto;text-decoration:none;line-height:1.4}.wk-dl:hover{background:#e3ebf4}@media (max-width:760px){.gal-main{padding:18px 12px 50px}.cls-head{padding:15px}.cls-name{font-size:18px}.stu-who{display:none}}.login-back{margin:10px 0 0;text-align:center;font-size:13px}.login-back a{color:var(--brand-ink);font-weight:700;text-decoration:none}.login-back a:hover{text-decoration:underline}