._exam_1wfx5_13{gap:18px;display:grid}._topline_1wfx5_9,._question_1wfx5_5,._actions_1wfx5_1{--kc-card-fill:var(--kc-surface)}._topline_1wfx5_9{grid-template-columns:minmax(0,1fr) minmax(220px,.7fr);align-items:center;gap:28px;padding:18px 20px;display:grid}._topline_1wfx5_9>div:first-child{gap:4px;display:grid}._topline_1wfx5_9 span{color:var(--kc-accent-deep);font-size:var(--fs-caption);font-weight:var(--kc-weight-extrabold);letter-spacing:.09em}._topline_1wfx5_9 strong{color:var(--color-text-primary);font-size:var(--fs-card-title)}._progress_1wfx5_36{background:var(--color-progress-track);border-radius:999px;height:7px;overflow:hidden}._progress_1wfx5_36 span{border-radius:inherit;background:var(--color-progress-active);height:100%;transition:width .2s;display:block}._questions_1wfx5_51{gap:14px;display:grid}._question_1wfx5_5{padding:20px}._questionHeading_1wfx5_55{grid-template-columns:38px minmax(0,1fr);align-items:start;gap:14px;display:grid}._questionHeading_1wfx5_55>span{background:var(--kc-green-deep);width:36px;height:36px;color:var(--kc-on-dark);font-size:var(--fs-tiny);font-weight:var(--kc-weight-extrabold);border-radius:50%;place-items:center;display:grid}._questionHeading_1wfx5_55 p{color:var(--color-text-primary);font-family:var(--kc-font-hanzi);font-size:var(--kc-type-chinese-example);font-weight:var(--kc-weight-semibold);margin:0 0 8px;line-height:1.55}._questionHeading_1wfx5_55 h2{color:var(--color-text-primary);font-size:var(--kc-ui-section);line-height:var(--kc-ui-leading-heading);margin:0}._options_1wfx5_90{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0 0 52px;display:grid}._options_1wfx5_90 button{border:1px solid var(--kc-border-subtle);background:var(--button-secondary);min-height:46px;color:var(--kc-text);font-size:var(--kc-ui-label);font-weight:var(--kc-ui-weight-action);text-align:left;border-radius:10px;align-items:center;gap:10px;padding:8px 12px;transition:border-color .15s,background-color .15s;display:flex}._options_1wfx5_90 button>span{background:var(--kc-surface-quiet);width:25px;height:25px;color:var(--kc-text-secondary);font-size:var(--kc-ui-label);border-radius:7px;flex:none;place-items:center;display:grid}._options_1wfx5_90 button:hover:not(:disabled),._options_1wfx5_90 ._selected_1wfx5_126{border-color:var(--active-green);background:var(--surface-selected)}._options_1wfx5_90 ._correct_1wfx5_131{border-color:var(--kc-success-border);background:var(--kc-success-soft)}._options_1wfx5_90 ._wrong_1wfx5_136{border-color:var(--kc-danger-border);background:var(--kc-danger-soft)}._explanation_1wfx5_141{border-left:3px solid var(--accent-brown);background:var(--kc-surface-quiet);color:var(--kc-text-secondary);font-size:var(--fs-body-sm);margin:13px 0 0 52px;padding:10px 12px;line-height:1.5}._actions_1wfx5_1{justify-content:space-between;align-items:center;gap:24px;padding:18px 20px;display:flex}._actions_1wfx5_1>p{color:var(--kc-text-secondary);font-size:var(--kc-ui-body);font-weight:var(--kc-weight-semibold);margin:0}._actions_1wfx5_1 .primary-button:disabled{color:var(--disabled-text);border-color:var(--disabled-border);background:var(--disabled-background);cursor:not-allowed;opacity:1}._result_1wfx5_174{gap:3px;display:grid}._result_1wfx5_174 span{color:var(--kc-accent-deep);font-size:var(--fs-caption);font-weight:var(--kc-weight-extrabold);letter-spacing:.09em}._result_1wfx5_174 strong{color:var(--color-text-primary);font-size:var(--fs-card-title)}._result_1wfx5_174 p{color:var(--kc-text-secondary);font-size:var(--kc-ui-body);margin:0}@media (max-width:760px){._topline_1wfx5_9{grid-template-columns:1fr;gap:12px}._options_1wfx5_90{grid-template-columns:1fr}}@media (max-width:520px){._question_1wfx5_5{padding:16px}._questionHeading_1wfx5_55{grid-template-columns:32px minmax(0,1fr);gap:10px}._questionHeading_1wfx5_55>span{width:30px;height:30px}._options_1wfx5_90,._explanation_1wfx5_141{margin-left:42px}._actions_1wfx5_1{flex-direction:column;align-items:stretch}._actions_1wfx5_1 .primary-button,._actions_1wfx5_1 .outline-button{width:100%}}@media (prefers-reduced-motion:reduce){._progress_1wfx5_36 span,._options_1wfx5_90 button{transition:none}}