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button.on{border-color:var(--accent);color:var(--accent-deep)}.quiz-start{justify-content:center;min-width:220px}.quiz-err{color:#c2412d;font-weight:700}.quiz-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.quiz-muted{color:var(--muted);font-size:13px}.quiz-progress{background:var(--line);border-radius:999px;height:6px;margin:12px 0 10px;overflow:hidden}.quiz-progress i{background:var(--accent);height:100%;transition:width .25s;display:block}.quiz-dots{flex-wrap:wrap;gap:5px;margin-bottom:14px;display:flex}.quiz-dots button{border:1.5px solid var(--line);background:var(--surface);width:30px;height:30px;color:var(--muted);border-radius:8px;font-size:12px;font-weight:700}.quiz-dots button.cur{border-color:var(--accent);color:var(--accent-deep)}.quiz-dots button.done{background:color-mix(in srgb, var(--accent) 18%, var(--surface));color:var(--ink)}.quiz-dots button.ok{color:#fff;background:#30a46c;border-color:#30a46c}.quiz-dots button.bad{color:#fff;background:#e5484d;border-color:#e5484d}.quiz-q{flex-direction:column;gap:14px;padding:22px 24px;display:flex}.quiz-q-head{color:var(--muted);justify-content:space-between;font-size:13px;font-weight:700;display:flex}.quiz-lv{border-radius:999px;padding:2px 10px;font-size:12px}.quiz-lv.lv1{color:#30a46c;background:#30a46c2e}.quiz-lv.lv2{color:#c27c0e;background:#f5a52433}.quiz-lv.lv3{color:#e5484d;background:#e5484d2e}.quiz-q h2{font-size:19px;line-height:1.45}.quiz-options{flex-direction:column;gap:9px;display:flex}.quiz-opt{text-align:left;border:2px solid var(--line);background:var(--surface);color:var(--ink);border-radius:12px;align-items:flex-start;gap:12px;padding:12px 14px;font-size:15px;line-height:1.45;transition:border-color .12s,background .12s;display:flex}.quiz-opt:hover:not(:disabled){border-color:var(--accent)}.quiz-letter{background:var(--surface-2);width:26px;height:26px;color:var(--muted);border-radius:7px;flex:none;place-items:center;font-size:13px;font-weight:800;display:grid}.quiz-opt.sel{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, var(--surface))}.quiz-opt.sel .quiz-letter{background:var(--accent);color:#fff}.quiz-opt.right{background:color-mix(in srgb, #30a46c 12%, var(--surface));border-color:#30a46c}.quiz-opt.right .quiz-letter{color:#fff;background:#30a46c}.quiz-opt.wrong{background:color-mix(in srgb, #e5484d 10%, var(--surface));border-color:#e5484d}.quiz-opt.wrong .quiz-letter{color:#fff;background:#e5484d}.quiz-opt.dim{opacity:.6}.quiz-opt:disabled{cursor:default}.quiz-feedback{border-left:4px solid;border-radius:12px;padding:12px 14px;font-size:14px;line-height:1.5}.quiz-feedback.ok{background:color-mix(in srgb, #30a46c 8%, var(--surface));border-color:#30a46c}.quiz-feedback.bad{background:color-mix(in srgb, #e5484d 7%, var(--surface));border-color:#e5484d}.quiz-feedback b{margin-bottom:3px;display:block}.quiz-nav{justify-content:space-between;gap:10px;display:flex}.quiz-result{flex-wrap:wrap;align-items:center;gap:26px;padding:24px;display:flex}.quiz-result h1{margin-bottom:6px;font-size:21px}.quiz-result p{color:var(--ink-2);margin-bottom:6px}.quiz-ring{--p:0;text-align:center;background:radial-gradient(closest-side, var(--surface) 78%, transparent 79% 100%), conic-gradient(var(--accent) calc(var(--p) * 1%), var(--line) 0);border-radius:50%;flex:none;place-content:center;width:128px;height:128px;display:grid}.quiz-ring b{font-size:28px;font-weight:900}.quiz-ring small{color:var(--muted);font-weight:700}.quiz-actions{flex-wrap:wrap;gap:10px;margin-top:10px;display:flex}.quiz-review{flex-direction:column;gap:10px;display:flex}.quiz-rev{border-left:4px solid;padding:14px 16px}.quiz-rev.ok{border-left-color:#30a46c}.quiz-rev.bad{border-left-color:#e5484d}.quiz-rev-q{gap:10px;margin-bottom:6px;font-weight:700;line-height:1.45;display:flex}.quiz-rev-q span{background:var(--surface-2);border-radius:6px;flex:none;place-items:center;width:24px;height:24px;font-size:12px;display:grid}.quiz-rev-yours{color:#e5484d;font-size:14px}.quiz-rev-right{color:#30a46c;font-size:14px;font-weight:700}.quiz-explain{color:var(--ink-2);margin-top:4px;font-size:13.5px;line-height:1.5}@media (width<=600px){.quiz-modes{grid-template-columns:1fr}.quiz-q{padding:16px}}