._root_ihqba_1{display:grid;flex:1 1 auto;box-sizing:border-box;width:100%;min-width:var(--aura-web-min-width);min-height:var(--aura-web-min-height);padding:32px;overflow:auto;background:var(--aura-color-background);place-items:center}._root__card_ihqba_13{display:flex;box-sizing:border-box;width:520px;padding:36px 40px;flex-direction:column;align-items:center;border:1px solid var(--aura-color-neutral-disabled);border-radius:24px;background:var(--aura-color-surface-warm);box-shadow:0 12px 32px var(--aura-color-shadow-light);text-align:center}._root__mark_ihqba_26{position:relative;width:80px;height:80px;flex:0 0 auto}._root__mark-back_ihqba_32,._root__mark-front_ihqba_33{position:absolute;top:20px;left:14px;display:block;width:52px;height:40px;box-sizing:border-box;border-radius:13px}._root__mark-back_ihqba_32{background:var(--aura-color-accent-lime);transform:rotate(-8deg)}._root__mark-front_ihqba_33{display:flex;padding:0 12px;flex-direction:column;align-items:flex-start;justify-content:center;border:1.5px solid var(--aura-color-primary);background:var(--aura-color-surface-warm);gap:6px;transform:rotate(4deg)}._root__mark-line-primary_ihqba_58,._root__mark-line-secondary_ihqba_59{display:block;height:2px;border-radius:1px;background:var(--aura-color-primary)}._root__mark-line-primary_ihqba_58{width:24px}._root__mark-line-secondary_ihqba_59{width:16px}._root__mark-dot-primary_ihqba_71,._root__mark-dot-secondary_ihqba_72{position:absolute;display:block;border-radius:50%}._root__mark-dot-primary_ihqba_71{top:7px;right:7px;width:10px;height:10px;background:var(--aura-color-accent-lime)}._root__mark-dot-secondary_ihqba_72{top:20px;right:0;width:5px;height:5px;background:var(--aura-color-accent-gold)}._root__title_ihqba_91{margin:24px 0 0;color:var(--aura-color-primary);font-family:var(--aura-font-songti);font-size:24px;font-weight:600;line-height:32px}._root__description_ihqba_99{max-width:400px;margin:10px 0 0;color:var(--aura-color-text-secondary);font-family:var(--aura-font-sans);font-size:14px;font-weight:400;line-height:22px}._root__actions_ihqba_108{display:flex;margin-top:28px;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px}._root__action_ihqba_108{display:inline-flex;box-sizing:border-box;min-width:144px;height:48px;padding:0 24px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;appearance:none;cursor:pointer;font-family:var(--aura-font-songti);font-size:15px;font-weight:700;line-height:1;white-space:nowrap;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .1s ease}._root__action_ihqba_108:focus-visible{outline:2px solid var(--aura-color-primary);outline-offset:3px}._root__action_ihqba_108:active{transform:translateY(1px)}._root__action--primary_ihqba_142{background:var(--aura-color-primary);color:var(--aura-color-surface)}._root__action--primary_ihqba_142:hover{background:var(--aura-color-primary-hover)}._root__action--secondary_ihqba_149{border-color:var(--aura-color-neutral-disabled);background:var(--aura-color-surface-warm);color:var(--aura-color-primary)}._root__action--secondary_ihqba_149:hover{border-color:var(--aura-color-primary)}._app-button_1ps2v_1{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;cursor:pointer;font:inherit;font-weight:600;line-height:1;padding:0 18px;text-decoration:none;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._app-button_1ps2v_1:focus-visible{outline:none}._app-button_1ps2v_1:active:not(:disabled):not([data-active-feedback=false]){transform:translateY(1px)}._app-button_1ps2v_1:disabled{cursor:not-allowed;opacity:.54}._app-button_1ps2v_1._app-button--loading_1ps2v_26:disabled{cursor:wait;opacity:.72}._app-button--size-sm_1ps2v_30{min-width:72px;height:32px;padding:0 12px}._app-button--size-md_1ps2v_35{min-width:96px;height:40px;padding:0 18px}._app-button--size-lg_1ps2v_40{min-width:112px;height:48px;padding:0 24px}._app-button--shape-rounded_1ps2v_45{border-radius:8px}._app-button--shape-pill_1ps2v_48{border-radius:999px}._app-button--block_1ps2v_51{width:100%}._app-button--primary_1ps2v_54{background:var(--aura-color-primary);color:var(--aura-color-surface)}._app-button--primary_1ps2v_54:hover:not(:disabled){background:var(--aura-color-black)}._app-button--primary_1ps2v_54:active:not(:disabled):not([data-active-feedback=false]){background:var(--aura-color-primary)}._app-button--secondary_1ps2v_64{background:var(--aura-color-surface);border-color:var(--aura-color-border);color:var(--aura-color-primary)}._app-button--secondary_1ps2v_64:hover:not(:disabled){border-color:var(--aura-color-primary);color:var(--aura-color-primary)}._app-button--secondary_1ps2v_64:active:not(:disabled):not([data-active-feedback=false]){background:var(--aura-color-primary-container)}._app-button--ghost_1ps2v_76{background:transparent;color:var(--aura-color-primary)}._app-button--ghost_1ps2v_76:hover:not(:disabled){background:var(--aura-color-surface-subtle)}._app-button--ghost_1ps2v_76:active:not(:disabled):not([data-active-feedback=false]){background:var(--aura-color-primary-container)}._app-button--danger_1ps2v_86{background:var(--aura-color-wrong-dark);color:var(--aura-color-surface)}._app-button--danger_1ps2v_86:hover:not(:disabled){background:var(--aura-color-wrong-dark)}._app-button--danger_1ps2v_86:active:not(:disabled):not([data-active-feedback=false]){background:var(--aura-color-wrong-dark)}._app-button--dangerGhost_1ps2v_96{border-color:var(--aura-color-wrong-dark);background:transparent;color:var(--aura-color-wrong-dark)}._app-button--dangerGhost_1ps2v_96:hover:not(:disabled){background:var(--aura-color-player-wrong-background)}._app-button--dangerGhost_1ps2v_96:active:not(:disabled):not([data-active-feedback=false]){background:var(--aura-color-player-wrong-background)}._app-button__spinner_1ps2v_107{width:14px;height:14px;border:2px 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ease}._app-chip_1tbxt_1:hover:not(:disabled){border-color:var(--aura-color-primary);color:var(--aura-color-primary)}._app-chip_1tbxt_1:active:not(:disabled){transform:translateY(1px)}._app-chip_1tbxt_1:focus-visible{outline:none}._app-chip_1tbxt_1:disabled{cursor:not-allowed;opacity:.54}._app-chip--selected_1tbxt_27{border-color:var(--aura-color-primary);background:var(--aura-color-primary-container);color:var(--aura-color-primary);font-weight:600}._center-toast_1xdww_1{position:absolute;z-index:var(--aura-z-index-toast);top:50%;left:50%;display:inline-flex;max-width:520px;align-items:center;justify-content:center;border-radius:8px;background:var(--aura-color-center-toast-background);color:var(--aura-color-surface);font-family:var(--aura-font-sans);font-size:16px;font-weight:400;line-height:24px;padding:10px 16px;pointer-events:none;text-align:center;transform:translate(-50%,-50%);animation:_center-toast-enter_1xdww_1 .2s ease-out both}@keyframes _center-toast-enter_1xdww_1{0%{opacity:0;transform:translate(-50%,calc(-50% + 8px))}to{opacity:1;transform:translate(-50%,-50%)}}._app-close-button_xvp4w_1{position:relative;display:inline-flex;width:24px;height:24px;flex:0 0 auto;align-items:center;justify-content:center;border:0;background:transparent;cursor:pointer;padding:0;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._app-close-button_xvp4w_1:hover:not(:disabled) ._app-close-button__icon--default_xvp4w_15{opacity:0}._app-close-button_xvp4w_1:hover:not(:disabled) ._app-close-button__icon--hover_xvp4w_18{opacity:1}._app-close-button_xvp4w_1:focus-visible{outline:none}._app-close-button_xvp4w_1:disabled{cursor:not-allowed;opacity:.54}._app-close-button__icon-frame_xvp4w_28{position:relative;display:block;width:24px;height:24px;flex:0 0 auto;pointer-events:none}._app-close-button__icon_xvp4w_15{position:absolute;inset:0;display:block;width:100%;height:100%}._app-close-button__icon--default_xvp4w_15{opacity:1}._app-close-button__icon--hover_xvp4w_18{opacity:0}._app-icon-button_ftqqf_1{display:inline-flex;align-items:center;justify-content:center;color:var(--aura-color-primary);cursor:pointer;padding:0;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._app-icon-button_ftqqf_1:hover:not(:disabled){border-color:var(--aura-color-primary);color:var(--aura-color-primary)}._app-icon-button_ftqqf_1:active:not(:disabled):not([data-active-feedback=false]){transform:translateY(1px)}._app-icon-button_ftqqf_1:focus-visible{outline:none}._app-icon-button_ftqqf_1:disabled{cursor:not-allowed;opacity:.54}._app-icon-button--size-sm_ftqqf_24{width:28px;height:28px}._app-icon-button--size-md_ftqqf_28{width:36px;height:36px}._app-icon-button--size-lg_ftqqf_32{width:48px;height:48px}._app-icon-button--shape-rounded_ftqqf_36{border-radius:8px}._app-icon-button--shape-circle_ftqqf_39{border-radius:50%}._app-icon-button--transparent_ftqqf_42{border:0;background:transparent}._app-icon-button--outlined_ftqqf_46{border:1px solid var(--aura-color-border);background:var(--aura-color-surface)}._app-icon-button--filled_ftqqf_50{border:1px solid transparent;background:var(--aura-color-primary-container)}._app-icon-button--selected_ftqqf_54{border-color:var(--aura-color-primary);background:var(--aura-color-primary-container);color:var(--aura-color-primary)}._app-loading-animation_jbgl5_1{flex:0 0 auto}._app-loading-animation--page_jbgl5_4{width:400px;max-width:100%;height:auto;aspect-ratio:10 / 3}._app-loading-animation--chat_jbgl5_10{width:33px;height:18px}._app-loading-animation__label_jbgl5_14{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}._app-loading-animation__player_jbgl5_22{width:100%;height:100%}._loading-spinner_xvihr_1{box-sizing:border-box;display:block;flex:0 0 auto;border-style:solid;border-color:currentColor;border-right-color:transparent;border-radius:50%;animation:_loading-spinner-rotate_xvihr_1 .8s linear infinite}@keyframes _loading-spinner-rotate_xvihr_1{to{transform:rotate(360deg)}}._app-option-button_1jjkw_1{display:flex;width:100%;min-height:48px;align-items:center;border:1px solid var(--aura-color-border);border-radius:8px;background:var(--aura-color-surface);color:var(--aura-color-primary);cursor:pointer;font:inherit;padding:12px 14px;text-align:left;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s 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var(--aura-color-border);border-radius:8px;background:var(--aura-color-surface);color:var(--aura-color-primary);cursor:pointer;font:inherit;padding:0;text-align:left;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._app-pressable_1624p_1:hover:not(:disabled){border-color:var(--aura-color-primary);box-shadow:0 8px 24px var(--aura-color-graphite-alpha-12)}._app-pressable_1624p_1:active:not(:disabled){transform:translateY(1px)}._app-pressable_1624p_1:focus-visible{outline:none}._app-pressable_1624p_1:disabled{cursor:not-allowed;opacity:.54}._app-pressable--selected_1624p_26{border-color:var(--aura-color-primary);background:var(--aura-color-primary-container)}._app-progress-bar_gva5l_1{width:100%;height:8px;overflow:hidden;border-radius:999px;background:var(--aura-color-surface-subtle)}._app-progress-bar__fill_gva5l_8{display:block;height:100%;border-radius:inherit;background:var(--aura-color-primary);transition:width .16s 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1;white-space:inherit}._single-line-truncated-text__measurement_1hgv3_10{position:absolute;top:0;left:0;width:max-content;visibility:hidden;pointer-events:none;-webkit-user-select:none;user-select:none}._single-line-truncated-text__value_1hgv3_11{overflow:hidden;text-overflow:clip}._stage-indicator_hliav_1{--stage-indicator-bg: var(--aura-color-surface);--stage-indicator-fg: var(--aura-color-primary);--stage-indicator-hover-bg: var(--aura-color-ink-alpha-06);--stage-indicator-incomplete: var(--aura-color-task-stage-incomplete);--stage-indicator-complete: var(--aura-color-stage-indicator-complete);box-sizing:border-box;width:100%;height:58px;padding:0 48px;background:var(--stage-indicator-bg);color:var(--stage-indicator-fg)}._stage-indicator--overlay_hliav_14{--stage-indicator-bg: transparent;--stage-indicator-fg: var(--aura-color-surface);--stage-indicator-hover-bg: var(--aura-color-stage-indicator-overlay-hover-background);background:transparent}._stage-indicator_hliav_1 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0}._membership-dialog__terms-link_28l9w_494{border:0;background:transparent;color:var(--aura-color-accent-gold-deep);font-family:var(--aura-font-songti);font-size:12px;font-style:normal;font-weight:700;line-height:1.4;cursor:pointer;padding:0}._membership-dialog__terms-link_28l9w_494:focus-visible{outline:none}._membership-dialog__state_28l9w_509{width:100%;min-height:35.959cqw}._membership-dialog__read-only-info_28l9w_513{width:100%;margin:24px auto 0;color:var(--aura-color-text-secondary);font-family:var(--aura-font-songti);font-size:14px;font-weight:700;line-height:20px;text-align:center}@keyframes _membership-dialog-in_28l9w_1{0%{opacity:0}to{opacity:1}}._microphone-permission-dialog_sifr0_1 .ant-modal-content{border-radius:8px;padding:28px 30px 24px}._microphone-permission-dialog_sifr0_1 .ant-modal-title{color:var(--aura-color-primary);font-family:var(--aura-font-songti);font-size:22px;font-weight:900;line-height:30px}._microphone-permission-dialog_sifr0_1 .ant-modal-body{color:var(--aura-color-text-secondary);font-family:var(--aura-font-sans);font-size:15px;line-height:24px;padding-top:18px}._microphone-permission-dialog_sifr0_1 .ant-modal-body p{margin:0}._microphone-permission-dialog_sifr0_1 .ant-modal-footer{display:flex;gap:12px;margin-top:28px}._microphone-permission-dialog_sifr0_1 .ant-modal-footer button{flex:1 1 0}._root_11kig_1{display:grid;width:100%;min-width:var(--aura-web-min-width);min-height:var(--aura-web-min-height);flex:1 1 auto;place-items:center}._app-notification-stack_14i9b_1{position:absolute;z-index:var(--aura-z-index-notification);top:120px;right:32px;left:32px;display:flex;justify-content:center;pointer-events:none}._app-notification_14i9b_1{display:flex;max-width:460px;width:100%;align-items:center;border-radius:8px;background:var(--aura-color-notification-surface);box-shadow:0 6px 14px var(--aura-color-shadow-light);padding:10px 6px 10px 12px;pointer-events:auto;animation:_app-notification-enter_14i9b_1 .24s cubic-bezier(.16,1,.3,1) both;-webkit-tap-highlight-color:transparent}._app-notification--clickable_14i9b_24{cursor:pointer}._app-notification--closing_14i9b_27{animation:_app-notification-exit_14i9b_1 .18s ease-in both;pointer-events:none}._app-notification--success_14i9b_31{background:var(--aura-color-learn-answer-correct-background)}._app-notification--error_14i9b_34{background:var(--aura-color-learn-answer-wrong-feedback-background)}._app-notification__content_14i9b_37{flex:1 1 auto;min-width:0}._app-notification__title_14i9b_41{display:block;color:var(--aura-color-primary);font-size:14px;font-weight:800;line-height:1.2;overflow:hidden;text-decoration:none;text-overflow:ellipsis;white-space:nowrap}._app-notification__body_14i9b_52{margin:2px 0 0;color:var(--aura-color-text-secondary);font-size:12px;font-weight:500;line-height:1.25;overflow:hidden;text-decoration:none;text-overflow:ellipsis;white-space:nowrap}._app-notification__status_14i9b_63{display:inline-flex;flex:0 0 auto;width:32px;height:32px;align-items:center;justify-content:center;margin-right:10px;border-radius:7px;color:var(--aura-color-info-dark);background:var(--aura-color-notification-info-background)}._app-notification__status_14i9b_63 ._anticon_14i9b_75{font-size:19px}._app-notification--success_14i9b_31 ._app-notification__status_14i9b_63{color:var(--aura-color-accent-lime);background:transparent}._app-notification--warning_14i9b_82 ._app-notification__status_14i9b_63{color:var(--aura-color-info-dark);background:var(--aura-color-notification-info-background)}._app-notification--error_14i9b_34 ._app-notification__status_14i9b_63{color:var(--aura-color-wrong-dark);background:transparent}._app-notification__status-image_14i9b_90{display:block;width:19px;height:19px}._app-notification__close_14i9b_95{display:inline-flex;flex:0 0 auto;width:34px;height:34px;align-items:center;justify-content:center;margin-left:4px;border:0;border-radius:8px;background:transparent;color:var(--aura-color-text-hint);cursor:pointer;padding:0;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._app-notification__close_14i9b_95 ._anticon_14i9b_75{font-size:19px}._app-notification__close_14i9b_95:hover:not(:disabled){background:var(--aura-color-primary-container);color:var(--aura-color-primary)}._app-notification__close_14i9b_95:focus-visible{outline:none}._app-notification__close_14i9b_95:disabled{cursor:not-allowed;opacity:.54}@keyframes _app-notification-enter_14i9b_1{0%{opacity:0;transform:translateY(-24%)}to{opacity:1;transform:translateY(0)}}@keyframes _app-notification-exit_14i9b_1{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-24%)}}@media(prefers-reduced-motion:reduce){._app-notification_14i9b_1,._app-notification--closing_14i9b_27{animation-duration:1ms}}._age-verification-page_1u2ro_1{display:flex;flex:1 1 auto;width:100%;min-width:var(--aura-web-min-width);min-height:var(--aura-web-min-height);align-items:center;justify-content:center;background:var(--aura-color-background);color:var(--aura-color-primary);font-family:var(--aura-font-sans);padding:48px 24px}._age-verification-page__card_1u2ro_14{box-sizing:border-box;max-width:520px;width:100%;border:1px solid var(--aura-color-neutral-disabled);border-radius:8px;background:var(--aura-color-surface);box-shadow:0 18px 44px var(--aura-color-shadow-light);padding:32px}._age-verification-page__brand_1u2ro_24{display:flex;align-items:center;margin-bottom:36px}._age-verification-page__brand-logo_1u2ro_29{display:block;width:80px;height:22px}._age-verification-page__eyebrow_1u2ro_34{margin:0 0 10px;color:var(--aura-color-accent-gold-deep);font-size:13px;font-weight:600;line-height:18px}._age-verification-page__title_1u2ro_41{margin:0;color:var(--aura-color-primary);font-family:var(--aura-font-songti);font-size:28px;font-weight:600;line-height:36px}._age-verification-page__description_1u2ro_49{margin:14px 0 0;color:var(--aura-color-text-secondary);font-size:15px;font-weight:400;line-height:24px}._age-verification-page__primary-button_1u2ro_56,._age-verification-page__secondary-button_1u2ro_57{box-sizing:border-box;display:inline-flex;width:100%;height:48px;align-items:center;justify-content:center;border-radius:50px;font-family:var(--aura-font-songti);font-size:16px;font-weight:600;line-height:23px;padding:0;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._age-verification-page__primary-button_1u2ro_56:focus-visible,._age-verification-page__secondary-button_1u2ro_57:focus-visible{outline:none}._age-verification-page__primary-button_1u2ro_56:active:not(:disabled),._age-verification-page__secondary-button_1u2ro_57:active:not(:disabled){transform:translateY(1px)}._age-verification-page__primary-button_1u2ro_56:disabled,._age-verification-page__secondary-button_1u2ro_57:disabled{cursor:not-allowed;opacity:.54}._age-verification-page__primary-button_1u2ro_56{margin-top:28px;border:0;background:var(--aura-color-primary);color:var(--aura-color-surface)}._age-verification-page__primary-button_1u2ro_56:hover:not(:disabled){background:var(--aura-color-black)}._age-verification-page__secondary-button_1u2ro_57{gap:8px;margin-top:12px;border:1px solid var(--aura-color-auth-oauth-border);background:var(--aura-color-surface);color:var(--aura-color-primary)}._age-verification-page__secondary-button_1u2ro_57:hover:not(:disabled),._age-verification-page__secondary-button_1u2ro_57:active:not(:disabled){border-color:var(--aura-color-auth-oauth-border);background:var(--aura-color-surface-warm);color:var(--aura-color-primary)}._age-verification-page__secondary-button_1u2ro_57:disabled{opacity:.6}:root[data-language=en-US] ._profile-popover__menu-title_qva3o_1{font-weight:900}:root[data-language=en-US] ._profile-popover__security-action_qva3o_4{font-weight:900}:root[data-language=en-US] ._profile-popover__menu-value_qva3o_7{font-size:13px;letter-spacing:.5px}._profile-popover_qva3o_1{position:relative;display:inline-flex;align-items:center;color:var(--aura-color-primary);font-family:var(--aura-font-songti)}._profile-popover__trigger_qva3o_18{position:relative;display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border:0;border-radius:50%;background:transparent;cursor:pointer;padding:0;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._profile-popover__trigger_qva3o_18:focus-visible{outline:none}._profile-popover__trigger_qva3o_18:active:not(:disabled){transform:translateY(1px)}._profile-popover__avatar_qva3o_38,._profile-popover__avatar-image_qva3o_39{width:100%;height:100%;border-radius:50%}._profile-popover__avatar_qva3o_38{position:relative;display:inline-flex;align-items:center;justify-content:center}._profile-popover__avatar-image_qva3o_39{display:block;object-fit:cover}._profile-popover__avatar-image-activeMember_qva3o_54{border:1px solid var(--aura-color-accent-green)}._profile-popover__vip-badge_qva3o_57{position:absolute;right:50%;bottom:4px;transform:translate(50%,50%);display:flex;height:14px;align-items:center;gap:1px;background:var(--aura-color-accent-green);border:.3px solid var(--aura-color-profile-avatar-ring-border);border-radius:152px;padding:0 6px}._profile-popover__vip-badge_qva3o_57 img{width:9px;height:9px}._profile-popover__vip-badge_qva3o_57 span{background:linear-gradient(179.99998deg,var(--aura-color-profile-avatar-gradient-start) 0%,var(--aura-color-profile-avatar-gradient-end) 100%);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-family:var(--aura-font-times);font-size:8px;font-style:normal;font-weight:700}._profile-popover__panel_qva3o_85{position:absolute;top:54px;right:0;z-index:40;width:430px;overflow:hidden;background:var(--aura-color-surface-warm);box-shadow:0 2px 24px 0 var(--aura-color-profile-panel-shadow);border-radius:16px;padding:24px 0 12px;animation:_profile-popover-panel-in_qva3o_1 .16s ease both}._profile-popover__hero_qva3o_98{display:flex;align-items:center;flex-direction:column;gap:4px;padding:0 20px}._profile-popover__hero--security_qva3o_105 ._profile-popover__identity-name_qva3o_105{max-width:100%;color:var(--aura-color-text-title)}._profile-popover__avatar--large_qva3o_109{width:72px;height:72px}._profile-popover__identity-name_qva3o_105{color:var(--aura-color-primary);font-family:var(--aura-font-songti);font-size:24px;font-style:normal;font-weight:900;line-height:32px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._profile-popover__menu_qva3o_1{display:flex;flex-direction:column;gap:4px;padding:0 20px;margin-top:20px}._profile-popover__menu-item_qva3o_131{display:flex;gap:12px;padding:0 12px;width:100%;height:48px;align-items:center;justify-content:space-between;border:0;border-radius:0;background:transparent;color:var(--aura-color-primary);cursor:pointer;font:inherit;text-align:left;text-decoration:none;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._profile-popover__menu-item_qva3o_131:hover:not(:disabled){background:var(--aura-color-background);border-radius:6px}._profile-popover__menu-item_qva3o_131:focus-visible{outline:none}._profile-popover__menu-item_qva3o_131:active:not(:disabled){transform:translateY(1px)}._profile-popover__menu-item_qva3o_131:disabled{cursor:default;opacity:1}._profile-popover__menu-divider_qva3o_163{margin:4px 12px;border-bottom:.5px solid var(--aura-color-border)}._profile-popover__menu-leading_qva3o_167,._profile-popover__menu-trailing_qva3o_168{display:inline-flex;min-width:0;align-items:center}._profile-popover__menu-leading_qva3o_167{flex:1 1 auto;flex-shrink:0;gap:8px}._profile-popover__menu-trailing_qva3o_168{flex:0 1 auto;justify-content:flex-end}._profile-popover__menu-title_qva3o_1{overflow:hidden;color:var(--aura-color-text-title);font-family:var(--aura-font-songti);font-size:16px;font-style:normal;font-weight:700;text-overflow:ellipsis;white-space:nowrap}._profile-popover__menu-value_qva3o_7{overflow:hidden;color:var(--aura-color-text-quiet-translucent);font-family:var(--aura-font-pingfang);font-size:14px;font-style:normal;font-weight:400;line-height:19px;text-overflow:ellipsis;white-space:nowrap}._profile-popover__menu-icon_qva3o_203,._profile-popover__menu-icon-image_qva3o_204{position:relative;display:block;width:20px;height:20px;flex:0 0 auto;color:var(--aura-color-primary)}._profile-popover__menu-icon--nickname_qva3o_212:before,._profile-popover__menu-icon--nickname_qva3o_212:after,._profile-popover__menu-icon--avatar_qva3o_214:before,._profile-popover__menu-icon--avatar_qva3o_214:after,._profile-popover__menu-icon--language_qva3o_216:before,._profile-popover__menu-icon--language_qva3o_216:after{position:absolute;content:""}._profile-popover__menu-icon--nickname_qva3o_212:before{left:4px;bottom:2px;width:14px;height:3px;border-radius:2px;background:currentColor}._profile-popover__menu-icon--nickname_qva3o_212:after{top:1px;left:5px;width:10px;height:16px;border:2px solid currentColor;border-radius:2px;border-top-color:transparent;border-left-color:transparent;transform:rotate(38deg)}._profile-popover__menu-icon--avatar_qva3o_214:before{right:1px;bottom:3px;left:1px;height:14px;border:2px solid currentColor;border-radius:3px}._profile-popover__menu-icon--avatar_qva3o_214:after{top:8px;left:7px;width:6px;height:6px;border:2px solid currentColor;border-radius:50%}._profile-popover__menu-icon--language_qva3o_216{border:2px solid currentColor;border-radius:50%}._profile-popover__menu-icon--language_qva3o_216:before{top:8px;left:2px;width:12px;height:2px;background:currentColor}._profile-popover__menu-icon--language_qva3o_216:after{top:2px;left:6px;width:4px;height:12px;border-right:2px solid currentColor;border-left:2px solid currentColor;border-radius:50%}._profile-popover__chevron_qva3o_276{display:block;width:20px;height:20px;flex:0 0 auto}._profile-popover__logout_qva3o_282{margin-top:12px;width:100%;height:48px;border:0;background:transparent;color:var(--aura-color-text-quiet);font-family:var(--aura-font-songti);font-size:16px;font-style:normal;font-weight:900;line-height:19px;cursor:pointer;font:inherit;text-align:center;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._profile-popover__logout_qva3o_282:hover:not(:disabled){color:var(--aura-color-profile-popover-danger)}._profile-popover__logout_qva3o_282:focus-visible{outline:none}._profile-popover__security-view_qva3o_305{position:relative}._profile-popover__security-back_qva3o_308{position:absolute;top:-6px;left:14px;z-index:1;display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border:0;background:transparent;cursor:pointer;padding:0;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._profile-popover__security-back_qva3o_308:hover:not(:disabled) ._profile-popover__security-back-icon_qva3o_324,._profile-popover__security-back_qva3o_308:focus-visible ._profile-popover__security-back-icon_qva3o_324{opacity:0}._profile-popover__security-back_qva3o_308:hover:not(:disabled) ._profile-popover__security-back-icon--hover_qva3o_328,._profile-popover__security-back_qva3o_308:focus-visible ._profile-popover__security-back-icon--hover_qva3o_328{opacity:1}._profile-popover__security-back_qva3o_308:focus-visible{outline:none}._profile-popover__security-back_qva3o_308:active:not(:disabled){transform:translateY(1px)}._profile-popover__security-back-icon_qva3o_324{position:absolute;top:6px;left:6px;display:block;width:20px;height:20px;opacity:1;pointer-events:none;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._profile-popover__security-back-icon--hover_qva3o_328{opacity:0}._profile-popover__security-actions_qva3o_352{display:flex;flex-direction:column;gap:4px;margin-top:20px;padding:0 20px}._profile-popover__security-action_qva3o_4{display:flex;width:100%;height:48px;align-items:center;justify-content:space-between;border:0;border-radius:6px;background:transparent;box-shadow:none;color:var(--aura-color-text-title);cursor:pointer;font-family:var(--aura-font-songti);font-size:16px;font-style:normal;font-weight:700;line-height:19px;padding:0 12px;text-align:left;text-decoration:none;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._profile-popover__security-action_qva3o_4:hover:not(:disabled){border-color:transparent;background:var(--aura-color-background);box-shadow:none;color:var(--aura-color-text-title)}._profile-popover__security-action_qva3o_4:focus-visible{background:var(--aura-color-background);box-shadow:none;color:var(--aura-color-text-title);outline:none}._profile-popover__security-action_qva3o_4:active:not(:disabled){transform:translateY(1px)}._profile-popover__security-action_qva3o_4:disabled{cursor:default;opacity:.55}._profile-popover__security-action-leading_qva3o_400{display:inline-flex;min-width:0;flex:1 1 auto;align-items:center;gap:8px}._profile-popover__security-action-icon_qva3o_407,._profile-popover__security-action-chevron_qva3o_408{display:block;width:20px;height:20px;flex:0 0 auto}._profile-popover__security-action-label_qva3o_414{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._profile-popover__dialog-layer_qva3o_419{position:fixed;z-index:var(--aura-z-index-modal);inset:0;display:flex;align-items:center;justify-content:center;background:var(--aura-color-black-alpha-30);color:var(--aura-color-primary);font-family:var(--aura-font-pingfang)}._profile-popover__dialog-card_qva3o_430{display:flex;width:420px;flex-direction:column;gap:16px;background:var(--aura-color-surface);box-shadow:0 6px 24px 0 var(--aura-color-black-alpha-12);border:.5px solid var(--aura-color-black-alpha-12);border-radius:16px;padding:24px;animation:_profile-popover-dialog-in_qva3o_1 .18s ease both}._profile-popover__dialog-card--wide_qva3o_442{width:448px}._profile-popover__dialog-card--expanded_qva3o_445{width:480px}._profile-popover__dialog-card--expanded_qva3o_445 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ease}._profile-popover__dialog-icon-button_qva3o_465:hover:not(:disabled){background:var(--aura-color-auth-icon-hover-background)}._profile-popover__dialog-icon-button_qva3o_465:focus-visible{outline:none}._profile-popover__dialog-icon-button_qva3o_465:active:not(:disabled){transform:translateY(1px)}._profile-popover__dialog-icon_qva3o_465{display:block;width:24px;height:24px}._profile-popover__nickname-field_qva3o_492{display:flex;width:372px;align-items:center;justify-content:space-between;border-radius:8px;background:var(--aura-color-muted-background);padding:11px 12px}._profile-popover__nickname-field_qva3o_492:hover{background:var(--aura-color-hover-background)}._profile-popover__nickname-field_qva3o_492:focus-within{background:var(--aura-color-hover-background)}._profile-popover__nickname-input_qva3o_507{min-width:0;flex:1 1 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._learn-el-p_1lhsm_52{display:-webkit-box;overflow:hidden;margin:0;color:var(--aura-color-text-secondary);font-family:var(--aura-font-songti);font-size:20px;font-style:normal;font-weight:400;line-height:30px;text-overflow:ellipsis;-webkit-box-orient:vertical;-webkit-line-clamp:2}._learn-checkin__scroll_1lhsm_13{flex:1;width:100%;display:flex;flex-direction:column;gap:22px;overflow-y:auto;padding:0 24px var(--learn-task-content-bottom-padding)}._learn-checkin__tip_1lhsm_75{margin:0;border-radius:16px;background:var(--aura-color-surface);color:var(--aura-color-text-muted);font-family:var(--aura-font-sans);font-size:16px;font-weight:500;line-height:24px;padding:18px 24px}._learn-checkin__tip_1lhsm_75 [data-ui=markdown-text]{color:inherit;font:inherit;line-height:inherit}._learn-checkin__items_1lhsm_91{display:flex;flex-direction:column;gap:22px}._learn-checkin__item_1lhsm_91{display:block;min-height:112px;border:0;border-radius:16px;background:var(--aura-color-surface);color:var(--aura-color-primary);font:inherit;padding:0;text-align:left;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,opacity .12s ease,transform .12s ease}._learn-checkin__item-toggle_1lhsm_108{display:grid;width:100%;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:24px;min-height:112px;border:0;background:transparent;color:inherit;cursor:pointer;font:inherit;padding:24px;text-align:left}._learn-checkin__item-toggle_1lhsm_108:focus-visible{outline:none}._learn-checkin__item-toggle_1lhsm_108:disabled{cursor:default;opacity:1}._learn-checkin__item--checked_1lhsm_130{background:var(--aura-color-learn-answer-selected-background)}._learn-checkin__item--checked_1lhsm_130 ._learn-checkin__item-title_1lhsm_133{text-decoration:line-through;text-decoration-color:var(--aura-color-text-heading);text-decoration-thickness:2px}._learn-checkin__item--checked_1lhsm_130 ._learn-checkin__box_1lhsm_138{border:0;border-radius:4px;background:transparent}._learn-checkin__item--readonly_1lhsm_143 ._learn-checkin__item-toggle_1lhsm_108{cursor:default}._learn-checkin__item-body_1lhsm_146{min-width:0}._learn-checkin__item-title_1lhsm_133,._learn-checkin__item-description_1lhsm_150{display:block}._learn-checkin__item-title_1lhsm_133 [data-ui=markdown-text],._learn-checkin__item-description_1lhsm_150 [data-ui=markdown-text]{color:inherit;font:inherit;line-height:inherit}._learn-checkin__item-title_1lhsm_133{display:-webkit-box;overflow:hidden;color:var(--aura-color-text-heading);font-family:var(--aura-font-songti);font-size:22px;font-style:normal;font-weight:900;line-height:28px;overflow-wrap:anywhere;-webkit-box-orient:vertical;-webkit-line-clamp:2}._learn-checkin__item-title_1lhsm_133 [data-ui=markdown-text]{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}._learn-checkin__item-description_1lhsm_150{display:-webkit-box;overflow:hidden;margin-top:4px;color:var(--aura-color-text-muted);font-family:var(--aura-font-sans);font-size:16px;font-style:normal;font-weight:400;line-height:28px;-webkit-box-orient:vertical;-webkit-line-clamp:3}._learn-checkin__item-description_1lhsm_150 [data-ui=markdown-text]{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3}._learn-checkin__box_1lhsm_138{flex-shrink:0;width:26px;height:26px;place-items:center;border:1.5px solid var(--aura-color-control-disabled);border-radius:4px}._learn-checkin__box_1lhsm_138 ._learn-el-img_1lhsm_205{display:block;width:26px;height:26px}._learn-checkin__submit-bar_1lhsm_16{position:absolute;right:0;bottom:0;left:0;z-index:5;box-sizing:border-box;display:flex;height:var(--learn-task-bottom-action-bar-height);align-items:flex-end;justify-content:center;background:var(--learn-task-bg, var(--aura-color-background));padding:24px 20px var(--learn-task-bottom-primary-button-bottom)}._learn-player--classify_dwerm_1{box-sizing:border-box;display:flex;width:100%;max-width:100%;min-height:0;flex:1 1 0;flex-direction:column;gap:0;border:0;border-radius:0;background:var(--aura-color-background);box-shadow:none;padding:0}._learn-player--classify_dwerm_1 ._learn-classify__practice-scroll_dwerm_16{min-height:0;flex:1;max-width:1856px;width:100%;display:flex;flex-direction:column;align-items:safe center;justify-content:safe center;gap:40px;background:var(--aura-color-background);margin:0 auto;padding:0 48px!important;overflow-y:auto}._learn-player--classify_dwerm_1 ._learn-classify__practice-inner_dwerm_31{box-sizing:border-box;display:flex;width:100%;min-height:100%;flex-direction:column;align-items:safe center;justify-content:safe center;padding:0}._learn-player--classify_dwerm_1 ._learn-classify__instruction_dwerm_41{display:flex;align-items:flex-start;justify-content:center;gap:4px;margin:0;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:24px;font-style:normal;font-weight:500;line-height:40px}._learn-player--classify_dwerm_1 ._learn-classify__instruction_dwerm_41 [data-ui=markdown-text]{color:inherit;font:inherit;line-height:inherit}._learn-player--classify_dwerm_1 ._learn-classify-board_dwerm_59{margin-top:32px;flex-shrink:0;display:grid;width:100%;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px}._learn-player--classify_dwerm_1 ._learn-classify-column_dwerm_67{display:grid;align-content:start;gap:20px;min-width:0}._learn-player--classify_dwerm_1 ._learn-classify-bucket_dwerm_73{display:grid;align-content:start;min-height:218px;overflow:hidden;border:2px solid var(--aura-color-accent-gold-soft);border-radius:12px;background:var(--aura-color-surface-warm)}._learn-player--classify_dwerm_1 ._learn-classify-bucket__header_dwerm_82{display:flex;min-height:var(--learn-classify-category-header-height, 72px);align-items:center;justify-content:center;border:0;border-radius:10px 10px 0 0;background:var(--aura-color-accent-gold-soft);color:var(--aura-color-primary);font-family:var(--aura-font-songti);font-size:20px;font-style:normal;font-weight:900;line-height:24px;padding:10px 16px;text-align:center}._learn-player--classify_dwerm_1 ._learn-classify-bucket__header-content_dwerm_99{display:flex;width:100%;min-width:0;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}._learn-player--classify_dwerm_1 ._learn-classify-bucket__title_dwerm_108{min-width:0;max-width:100%;flex:0 1 auto;overflow-wrap:anywhere}._learn-player--classify_dwerm_1 ._learn-classify-bucket__title_dwerm_108 [data-ui=markdown-text]{max-width:100%}._learn-player--classify_dwerm_1 ._learn-classify-bucket__body_dwerm_117{display:flex;align-content:flex-start;flex-wrap:wrap;gap:16px;min-height:142px;padding:20px}._learn-player--classify_dwerm_1 ._learn-classify-pool_dwerm_125{display:flex;width:100%;max-width:1228px;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:48px}._learn-player--classify_dwerm_1 ._learn-classify-answer_dwerm_134{display:grid;min-height:70px;align-content:center;gap:0;background:var(--aura-color-learn-answer-correct-background);border:1px solid var(--aura-color-accent-lime);border-radius:8px;color:var(--aura-color-primary);padding:20px;text-align:center}._learn-player--classify_dwerm_1 ._learn-classify-answer_dwerm_134 ._learn-el-strong_dwerm_146,._learn-player--classify_dwerm_1 ._learn-classify-answer_dwerm_134 ._learn-el-span_dwerm_147{overflow-wrap:anywhere}._learn-player--classify_dwerm_1 ._learn-classify-answer_dwerm_134 ._learn-el-strong_dwerm_146{color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:500;line-height:24px;letter-spacing:1px}._learn-player--classify_dwerm_1 ._learn-classify-answer_dwerm_134 ._learn-el-span_dwerm_147{color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:400;line-height:30px;letter-spacing:1px}._learn-player--classify_dwerm_1 ._learn-classify-bottom-bar_dwerm_168{box-sizing:border-box;display:flex;width:100%;height:var(--learn-task-bottom-action-bar-height);flex:0 0 auto;align-items:flex-end;justify-content:center;padding:24px 20px var(--learn-task-bottom-primary-button-bottom)}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar_dwerm_178{box-sizing:border-box;display:flex;width:100%;height:var(--learn-task-bottom-feedback-bar-height);flex:0 0 auto;flex-direction:column;align-items:center;gap:16px;padding:24px 20px var(--learn-task-bottom-primary-button-bottom)}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar--correct_dwerm_189{background:var(--aura-color-learn-answer-correct-background)}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar--wrong_dwerm_192{background:var(--aura-color-learn-answer-wrong-feedback-background)}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar--wrong_dwerm_192 ._learn-classify-feedback-bar__message_dwerm_195 ._learn-el-strong_dwerm_146{color:var(--aura-color-learn-answer-wrong-strong)}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar__message_dwerm_195{display:flex;max-width:600px;width:100%;min-width:0;align-items:center;gap:12px}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar__message_dwerm_195 ._learn-el-img_dwerm_206{width:56px;height:56px;flex:0 0 auto}._learn-player--classify_dwerm_1 ._learn-classify-feedback-bar__message_dwerm_195 ._learn-el-strong_dwerm_146{min-width:0;overflow:hidden;color:var(--aura-color-black);font-family:var(--aura-font-pingfang);font-size:28px;font-weight:600;letter-spacing:.5px;line-height:1;text-overflow:ellipsis;white-space:nowrap}._learn-classify-chip_dwerm_223{display:inline-flex;min-height:52px;align-items:center;justify-content:center;border:2px solid var(--aura-color-border-light);border-radius:8px;background:var(--aura-color-surface);box-shadow:4px 4px 0 var(--aura-color-border-light);color:var(--aura-color-primary);cursor:pointer;font-family:var(--aura-font-pingfang);font-size:20px;font-weight:500;line-height:2;padding:6px 24px;text-align:center;transition:background-color .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease,transform .16s ease}._learn-classify-chip_dwerm_223:not(:disabled):hover{transform:translateY(-1px)}._learn-classify-chip_dwerm_223:disabled{cursor:default}._learn-classify-chip_dwerm_223:focus-visible{outline:3px solid var(--aura-color-primary-alpha-24);outline-offset:2px}._learn-classify-chip--placed_dwerm_252{background:var(--aura-color-learn-answer-selected-background);box-shadow:4px 4px 0 0 var(--aura-color-learn-answer-selected-border);border-color:var(--aura-color-learn-answer-selected-border)}._learn-classify-chip--correct_dwerm_257{background:var(--aura-color-accent-lime);box-shadow:4px 4px 0 0 var(--aura-color-learn-answer-correct-strong);border-color:var(--aura-color-learn-answer-correct-strong)}._learn-classify-chip--wrong_dwerm_262{background:var(--aura-color-learn-answer-wrong-background);box-shadow:2px 4px 0 0 var(--aura-color-learn-answer-wrong-strong);border-color:var(--aura-color-learn-answer-wrong-strong)}._learn-classify-chip--disabled_dwerm_267{border-color:var(--aura-color-neutral-background);background:var(--aura-color-surface);box-shadow:none;color:var(--aura-color-control-disabled);opacity:.7}._learn-classify-chip--dragging-source_dwerm_274{border-color:var(--aura-color-neutral-background);background:var(--aura-color-surface);box-shadow:none;color:var(--aura-color-control-disabled);cursor:grabbing}._learn-classify-chip--drag-preview_dwerm_281{transform:scale(1.08)}._learn-classify-drag-preview_dwerm_284{position:absolute;top:-1000px;left:-1000px;display:inline-flex;align-items:center;justify-content:center;padding:16px;pointer-events:none}:root[data-language=en-US] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1{font-family:var(--aura-font-times)}:root[data-language=en-US] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1::placeholder{font-weight:700}._learn-player--cloze_1jr4o_7 [data-learn-player-part=inline-blank-spacer]{display:inline-block;width:20px;min-width:20px;height:1px;flex:0 0 20px}._learn-player--cloze_1jr4o_7 [data-learn-player-part=quiz-submit-bar]{background:var(--aura-color-surface-subtle)}[data-learn-shell-part=content] ._learn-player--cloze_1jr4o_7._learn-player--bottom-hint-visible_1jr4o_17 ._learn-cloze-line_1jr4o_1{margin-bottom:calc(var(--learn-task-bottom-hint-bottom) + var(--learn-task-bottom-hint-trigger-height));padding-bottom:16px!important}[data-learn-shell-part=content] ._learn-player--cloze_1jr4o_7{position:relative;width:100%;height:100%;display:flex;flex-direction:column;align-items:safe center;justify-content:safe center;border:0;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-weight:500;line-height:50px;padding:0;text-align:center;gap:24px;background:var(--aura-color-surface-subtle)}[data-learn-shell-part=content] ._learn-player--cloze_1jr4o_7>[data-ui=app-button]:last-child{max-width:600px;width:100%;min-width:0;height:52px;justify-self:center;border:0;border-radius:81px;color:var(--aura-color-surface);font-family:var(--aura-font-pingfang);font-size:18px;font-weight:400;letter-spacing:.5px}[data-learn-shell-part=content] ._learn-player--cloze_1jr4o_7>[data-ui=app-button]:last-child:disabled{background:var(--aura-color-control-disabled);color:var(--aura-color-surface);opacity:1}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1{flex:1;max-width:1856px;padding:12px 48px var(--learn-task-content-bottom-padding)!important;width:100%;display:flex;flex-direction:column;align-items:safe center;justify-content:safe center;gap:8px;border:0;background:transparent;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:32px;font-weight:500;line-height:50px;text-align:center;overflow-x:hidden;overflow-y:auto}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1{transform:translateY(-4px);caret-color:var(--aura-color-primary);box-sizing:border-box;display:inline-block;flex:0 1 auto;max-width:100%;min-width:100px;height:44px;min-height:44px;border:1.5px solid var(--aura-color-border-light);border-radius:6px;background:var(--aura-color-surface);box-shadow:none;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:32px;font-style:normal;font-weight:700;line-height:32px;letter-spacing:1px;padding:0 20px;text-align:center;vertical-align:middle}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1::placeholder{color:var(--aura-color-control-disabled);opacity:1;font-weight:400}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1:focus{border-color:var(--aura-color-learn-answer-selected-border);background:var(--aura-color-learn-answer-selected-background);outline:none}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1:focus::placeholder{opacity:0}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1:not(:placeholder-shown){border-color:var(--aura-color-learn-answer-selected-border);background:var(--aura-color-learn-answer-selected-background);color:var(--aura-color-primary)}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1:disabled{cursor:default;opacity:1}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 [data-ui=markdown-text] [data-ui-part=math-placeholder] ._learn-el-input_1jr4o_1{width:100%!important;min-width:2.8em;max-width:none;height:1.4em;min-height:1.4em;padding:0 .2em;font-size:.72em;line-height:1;transform:none}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 [data-ui-part=math-placeholder] [data-learn-player-part=inline-blank-spacer]{display:none}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1._learn-cloze-blank--correct_1jr4o_142{border-color:transparent;background:var(--aura-color-accent-lime)}[data-learn-shell-part=content] ._learn-cloze-line_1jr4o_1 ._learn-el-input_1jr4o_1._learn-cloze-blank--wrong_1jr4o_146{border-color:transparent;background:var(--aura-color-learn-answer-wrong-background)}[data-learn-shell-part=content] ._learn-cloze-review_1jr4o_150{margin-top:12px;display:flex;width:100%;flex-wrap:wrap;justify-content:center;gap:8px 20px;background:var(--aura-color-learn-answer-correct-background);border:1px solid var(--aura-color-accent-lime);border-radius:8px;color:var(--aura-color-primary);padding:18px 20px 20px}[data-learn-shell-part=content] ._learn-cloze-review_1jr4o_150 ._learn-el-span_1jr4o_163{width:100%;font-family:var(--aura-font-pingfang);font-size:20px;font-weight:500;letter-spacing:1px;line-height:1.2;text-align:center}[data-learn-shell-part=content] ._learn-cloze-review_1jr4o_150 ._learn-el-small_1jr4o_172{color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-weight:400;letter-spacing:1px;line-height:1.5}[data-learn-shell-part=content] ._learn-player--drag-match_2i5qa_1{max-width:1856px;width:100%;display:flex;flex-direction:column;align-items:safe center;justify-content:safe center;gap:40px;background:var(--aura-color-background);margin:0 auto;padding:0 48px!important;overflow-y:auto}[data-learn-shell-part=content] ._learn-drag-match__instruction_2i5qa_14{margin:0;color:var(--aura-color-text-quiet);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:400;line-height:40px;text-align:center}[data-learn-shell-part=content] ._learn-drag-match_2i5qa_14{display:grid;width:100%;flex:1;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:28px}[data-learn-shell-part=content] ._learn-drag-match__panel_2i5qa_32{display:grid;min-height:0;grid-template-rows:63px minmax(0,1fr);overflow:hidden;border:2px solid var(--aura-color-accent-gold-soft);border-radius:20px;background:var(--aura-color-surface-warm);align-self:stretch}[data-learn-shell-part=content] ._learn-drag-match__panel-title_2i5qa_42{display:flex;height:63px;align-items:center;justify-content:center;gap:8px;margin:0;border-radius:12px 12px 0 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center;width:100%;height:100%;gap:22px;background:var(--aura-color-surface-warm-muted);padding-top:0}._learn-memory-stats_1s356_12{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}._learn-memory-stats__pill_1s356_18{display:inline-flex;box-sizing:border-box;width:140px;height:46px;align-items:center;justify-content:center;gap:2px;border:1px solid var(--aura-color-border-warm);border-radius:10px;background:var(--aura-color-memory-match-stat-background);color:var(--aura-color-black)}._learn-memory-stats__pill_1s356_18>._learn-el-span_1s356_31{margin-right:8px;font-size:20px;font-weight:700;line-height:23px}._learn-memory-stats__pill_1s356_18 ._learn-el-strong_1s356_37{font-family:var(--aura-font-times);font-size:20px;font-weight:700;line-height:23px}._learn-memory-stats__pill_1s356_18 ._learn-el-small_1s356_43{color:var(--aura-color-black);font-family:var(--aura-font-songti);font-size:20px;font-weight:400;line-height:28px}._learn-memory-grid_1s356_50{flex:1;display:flex;flex-direction:column;align-items:safe center;justify-content:safe center;padding-bottom:24px;min-height:0;overflow-y:auto;width:100%;gap:0}._learn-memory-grid__row_1s356_62{display:flex;justify-content:center;gap:0}._learn-memory-card_1s356_67{position:relative;display:block;box-sizing:border-box;flex:0 0 304px;width:304px;aspect-ratio:304 / 408;border:0;background-color:transparent;box-shadow:none;color:var(--aura-color-primary);cursor:pointer;font:inherit;font-family:var(--aura-font-songti);font-size:42px;font-weight:900;line-height:1.4;outline:0;padding:0;perspective:1100px;perspective-origin:center;text-align:center;transition:filter .16s ease,opacity .16s ease}._learn-memory-card__inner_1s356_92{position:absolute;inset:0;display:block;transform:rotateY(0);transform-style:preserve-3d;transition:transform .3s ease-in-out;will-change:transform}._learn-memory-card__face_1s356_101{position:absolute;inset:0;display:grid;box-sizing:border-box;width:100%;height:100%;place-items:center;padding:40px 28px;backface-visibility:hidden;background-color:transparent;background-position:center;background-repeat:no-repeat;background-size:contain}._learn-memory-card__face--back_1s356_116{background-image:var(--memory-card-back);color:transparent}._learn-memory-card__face--front_1s356_120{background-image:var(--memory-card-front);transform:rotateY(180deg)}._learn-memory-card__text_1s356_124{position:relative;z-index:1;display:block;width:100%;max-width:100%;height:100%;overflow-y:auto;scrollbar-width:none}._learn-memory-card__text_1s356_124::-webkit-scrollbar{display:none}._learn-memory-card__text-content_1s356_137{display:flex;width:100%;min-height:100%;align-items:center;justify-content:center;overflow-wrap:anywhere}._learn-memory-card_1s356_67:focus-visible{outline:3px solid var(--aura-color-memory-match-focus-ring);outline-offset:2px}._learn-memory-card_1s356_67:disabled{cursor:not-allowed}._learn-memory-card--tone-coral_1s356_152{--memory-card-back: var(--aura-asset-memory-back-coral);--memory-card-front: var(--aura-asset-memory-front-coral)}._learn-memory-card--tone-beige_1s356_156{--memory-card-back: var(--aura-asset-memory-back-beige);--memory-card-front: var(--aura-asset-memory-front-beige)}._learn-memory-card--tone-sage_1s356_160{--memory-card-back: var(--aura-asset-memory-back-sage);--memory-card-front: var(--aura-asset-memory-front-sage)}._learn-memory-card--tone-lavender_1s356_164{--memory-card-back: var(--aura-asset-memory-back-lavender);--memory-card-front: var(--aura-asset-memory-front-lavender)}._learn-memory-card--flipped_1s356_168 ._learn-memory-card__inner_1s356_92,._learn-memory-card--matched_1s356_169 ._learn-memory-card__inner_1s356_92{transform:rotateY(180deg)}._learn-memory-card--matched_1s356_169{color:var(--aura-color-black);filter:saturate(1.04)}._learn-memory-card--matched_1s356_169 ._learn-memory-card__face--front_1s356_120{background-image:var(--aura-asset-memory-front-success)}._learn-memory-card__audio_1s356_179{position:absolute;top:14%;right:16%;z-index:2;display:grid;width:24px;height:24px;place-items:center;border:0;background:transparent;filter:brightness(.5)}._learn-quiz__question-image_7e7uj_1{display:inline-flex;max-width:100%;flex-shrink:0;border-radius:12px;overflow:hidden}._learn-quiz__question-image_7e7uj_1 .ant-image-img{display:block;width:auto;max-width:100%;max-height:140px;border-radius:12px;object-fit:contain}._learn-quiz-choice__workspace_7e7uj_16{display:flex;box-sizing:border-box;max-width:1142px;width:100%;min-height:0;flex:1 1 0;gap:80px;margin:0 auto;padding:24px 0 48px}._learn-quiz-choice__workspace--result_7e7uj_27{padding-bottom:var(--learn-task-bottom-feedback-bar-height)}._learn-quiz-choice__stem-panel_7e7uj_30,._learn-quiz-choice__answer-pane_7e7uj_31{min-width:0;min-height:0;flex:1 1 0}._learn-quiz-choice__stem-panel_7e7uj_30{display:flex;flex-direction:column;overflow:hidden;border:1.5px solid var(--aura-color-quiz-choice-panel-border);border-radius:16px;background:var(--aura-color-quiz-choice-panel-background)}._learn-quiz-choice__window-dots_7e7uj_44{position:relative;z-index:1;display:flex;height:16px;flex:0 0 auto;align-items:center;gap:12px;margin:32px 36px 0}._learn-quiz-choice__window-dots_7e7uj_44:after{position:absolute;top:100%;right:-36px;left:-36px;height:33px;background:linear-gradient(180deg,var(--aura-color-quiz-choice-scroll-fade-start) 0%,var(--aura-color-quiz-choice-scroll-fade-transparent) 100%);content:"";pointer-events:none}._learn-quiz-choice__window-dot_7e7uj_44{display:block;width:16px;height:16px;flex:0 0 auto;border-radius:50%}._learn-quiz-choice__window-dot--red_7e7uj_71{background:var(--aura-color-player-wrong-border);border:.5px solid var(--aura-color-learn-answer-wrong-strong)}._learn-quiz-choice__window-dot--yellow_7e7uj_75{background:var(--aura-color-learn-answer-selected-background);border:.5px solid var(--aura-color-learn-answer-selected-border)}._learn-quiz-choice__window-dot--green_7e7uj_79{background:var(--aura-color-accent-lime);border:.5px solid var(--aura-color-learn-answer-correct-strong)}._learn-quiz-choice__stem-scroll_7e7uj_83{margin-bottom:8px;display:flex;min-height:0;flex:1 1 auto;flex-direction:column;align-items:stretch;gap:32px;overflow-y:auto;padding:38px 36px 0;scrollbar-width:none}._learn-quiz-choice__stem-scroll_7e7uj_83::-webkit-scrollbar{display:none}._learn-quiz-choice__stem-scroll_7e7uj_83 ._learn-quiz__question-image_7e7uj_1{display:block;width:100%;aspect-ratio:452 / 262;border:1px solid var(--aura-color-quiz-choice-structure-border);background:var(--aura-color-quiz-choice-structure-background);box-shadow:0 4px 45px var(--aura-color-shadow-light)}._learn-quiz-choice__stem-scroll_7e7uj_83 ._learn-quiz__question-image_7e7uj_1 .ant-image-img{width:100%;height:100%;max-height:none;object-fit:cover}._learn-quiz-choice__segments_7e7uj_112{display:flex;width:100%;flex-direction:column;align-items:flex-start;gap:24px}._learn-quiz-choice__bubble_7e7uj_119{--learn-quiz-markdown-text-color: var(--aura-color-quiz-choice-bubble-text);box-sizing:border-box;width:fit-content;max-width:100%;border-radius:12px 12px 12px 0;background:var(--aura-color-quiz-choice-bubble-background);color:var(--aura-color-quiz-choice-bubble-text);font-family:var(--aura-font-pingfang);font-size:20px;font-weight:400;letter-spacing:.5px;line-height:30px;padding:14px 18px}._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text],._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] p{color:var(--aura-color-quiz-choice-bubble-text);font:inherit;line-height:inherit}._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] h1,._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] h2,._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] h3,._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] h4,._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] h5,._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] h6{color:var(--aura-color-quiz-choice-bubble-text);font-family:inherit;font-size:inherit;font-weight:500;letter-spacing:inherit;line-height:inherit}._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] code{font-weight:400}._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] pre{background:var(--aura-color-quiz-choice-code-block-background)}._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] a{color:inherit}._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] strong,._learn-quiz-choice__bubble_7e7uj_119 [data-ui=markdown-text] th{font-weight:700}._learn-quiz-choice__chemistry-card_7e7uj_166{display:flex;box-sizing:border-box;width:100%;flex-direction:column;align-items:stretch;gap:12px;overflow:hidden;border:1px solid var(--aura-color-quiz-choice-structure-border);border-radius:12px;background:var(--aura-color-quiz-choice-structure-background);box-shadow:0 4px 45px var(--aura-color-shadow-light);padding:12px}._learn-quiz-choice__chemistry-card_7e7uj_166 code{font-weight:400}._learn-quiz-choice__home-indicator_7e7uj_183{display:block;width:143px;height:5px;flex:0 0 auto;border-radius:999px;background:var(--aura-color-text-title);margin:0 auto 18px}._learn-quiz-choice__answer-pane_7e7uj_31{display:flex;flex-direction:column}._learn-quiz-choice__answer-scroll_7e7uj_196{min-height:0;flex:1 1 auto;overflow-y:auto;padding:12px 10px 24px 0}._learn-quiz-choice__prompt-row_7e7uj_202{display:flex;width:100%;align-items:center;gap:4px;margin:0 0 24px}._learn-quiz-choice__workspace_7e7uj_16 ._learn-quiz-choice__answer-pane_7e7uj_31 ._learn-quiz-choice__prompt_7e7uj_202{width:auto;margin:0;color:var(--aura-color-text-title);font-family:var(--aura-font-pingfang);font-size:22px;font-weight:500;line-height:32px;text-align:left}._learn-quiz-choice__workspace_7e7uj_16 ._learn-player__options_7e7uj_219._learn-quiz-choice__options_7e7uj_219{display:flex;width:100%;flex-direction:column;gap:20px;margin:0}._learn-quiz-choice__workspace_7e7uj_16 ._learn-quiz-choice__option_7e7uj_219{min-height:84px;justify-content:center;border:1px solid var(--aura-color-quiz-choice-option-border);border-radius:10px;background:transparent;color:var(--aura-color-text-title);font-family:var(--aura-font-songti);font-size:24px;font-weight:700;letter-spacing:1px;line-height:34px;padding:24px 32px}._learn-quiz-choice__workspace_7e7uj_16 ._learn-quiz-choice__option_7e7uj_219:hover:not(:disabled){border-color:var(--aura-color-quiz-choice-option-border);background:var(--aura-color-surface-warm)}._learn-quiz-choice__workspace_7e7uj_16 ._learn-quiz-choice__option_7e7uj_219[data-ui=option-button][data-state=selected],._learn-quiz-choice__workspace_7e7uj_16 ._learn-quiz-choice__option_7e7uj_219[data-ui=option-button][data-state=selected]:hover:not(:disabled){border-color:transparent;background:var(--aura-color-learn-answer-selected-background);font-weight:900}._learn-quiz-choice__action-area_7e7uj_250{padding:16px 10px 0 0;display:flex;width:100%;flex:0 0 auto;flex-direction:column;align-items:center;gap:16px}._learn-quiz-choice__hint_7e7uj_259{display:flex;width:100%;flex:0 0 auto;justify-content:center;pointer-events:none}._quiz-markdown-text-scope_43ufo_1{--learn-quiz-markdown-text-color: var(--aura-color-text-cool-muted)}._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) blockquote{border-color:var(--aura-color-quiz-markdown-quote-border)}._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) blockquote p{font-size:16px;color:var(--aura-color-quiz-markdown-quote-text)}._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]){font-size:20px;font-weight:inherit;line-height:30px}._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) p{color:var(--learn-quiz-markdown-text-color);font-size:20px;font-weight:400}._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) h1,._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) h2,._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) h3,._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) h4,._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) h5,._quiz-markdown-text-scope_43ufo_1 [data-ui=markdown-text]:not([data-learn-hint-prompt] [data-ui=markdown-text]) h6{margin:12px 0;font-size:1em;font-weight:500;line-height:40px}:root[data-language=en-US] ._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1{font-family:var(--aura-font-times)}:root[data-language=en-US] ._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1::placeholder{font-weight:700}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1{transform:translateY(-4px);caret-color:var(--aura-color-primary);box-sizing:border-box;display:inline-block;flex:0 1 auto;height:44px;min-width:100px;max-width:100%;min-height:44px;border:1.5px solid var(--aura-color-border-light);border-radius:6px;background:var(--aura-color-surface);box-shadow:none;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:32px;font-style:normal;font-weight:700;line-height:32px;letter-spacing:1px;padding:0 20px;text-align:center;vertical-align:middle}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1::placeholder{color:var(--aura-color-control-disabled);opacity:1;font-weight:400}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1:focus{border-color:var(--aura-color-learn-answer-selected-border);background:var(--aura-color-learn-answer-selected-background);outline:none}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1:focus::placeholder{opacity:0}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1:not(:placeholder-shown){border-color:var(--aura-color-learn-answer-selected-border);background:var(--aura-color-learn-answer-selected-background);color:var(--aura-color-primary)}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1:disabled{cursor:default;opacity:1}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 [data-ui=markdown-text] [data-ui-part=math-placeholder] ._learn-el-input_1icpl_1{width:100%!important;min-width:2.8em;max-width:none;height:1.4em;min-height:1.4em;padding:0 .2em;font-size:.72em;line-height:1;transform:none}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 [data-ui-part=math-placeholder] [data-learn-player-part=inline-blank-spacer]{display:none}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1._learn-quiz-fill__input--correct_1icpl_68{border-color:transparent;background:var(--aura-color-accent-lime)}._learn-player--quiz_1icpl_1 ._learn-quiz-fill__inline_1icpl_1 ._learn-el-input_1icpl_1._learn-quiz-fill__input--wrong_1icpl_72{border-color:transparent;background:var(--aura-color-learn-answer-wrong-background)}._learn-player--quiz_1icpl_1 ._learn-player__fill-list_1icpl_76 ._learn-el-input_1icpl_1{min-height:60px;border:2px solid var(--aura-color-neutral-disabled);border-radius:8px;background:var(--aura-color-surface);color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-weight:800;letter-spacing:0;line-height:1.45;padding:8px 10px;text-align:center}._learn-player--quiz_1icpl_1 ._learn-player__fill-list_1icpl_76 ._learn-el-input_1icpl_1:focus{border-color:var(--aura-color-primary);outline:none}._learn-player--quiz_1icpl_1 ._learn-player__fill-list_1icpl_76 ._learn-quiz-fill__input--correct_1icpl_68{border-color:var(--aura-color-player-correct-border);background:var(--aura-color-learn-answer-correct-background)}._learn-player--quiz_1icpl_1 ._learn-player__fill-list_1icpl_76 ._learn-quiz-fill__input--wrong_1icpl_72{border-color:var(--aura-color-player-wrong-border)!important;background:var(--aura-color-player-wrong-background)!important;color:var(--aura-color-player-wrong-border)!important;font-family:var(--aura-font-times);font-weight:700}._learn-player--quiz_1icpl_1 ._learn-quiz-essay_1icpl_105 ._learn-el-textarea_1icpl_105{width:100%;height:auto;flex:1 1 auto;min-height:0;resize:none;border:0;border-radius:0;background:transparent;color:var(--aura-color-text-strong);font-family:var(--aura-font-pingfang);font-size:24px;font-style:normal;font-weight:400;line-height:40px;overflow:auto;padding:24px;white-space:pre-wrap;word-break:normal;overflow-wrap:anywhere}._learn-player--quiz_1icpl_1 ._learn-quiz-essay_1icpl_105 ._learn-el-textarea_1icpl_105::placeholder{font-size:20px;color:var(--aura-color-player-placeholder-text)}._learn-player--quiz_1icpl_1 ._learn-quiz-essay_1icpl_105 ._learn-el-textarea_1icpl_105:focus-visible{outline:none}._learn-player--quiz_1icpl_1 ._learn-quiz-essay_1icpl_105 ._learn-el-textarea_1icpl_105:disabled{background:transparent;color:var(--aura-color-text-strong);opacity:1}._learn-player--quiz-fill_1icpl_138 [data-learn-player-part=inline-blank-spacer]{display:inline-block;width:20px;min-width:20px;height:1px;flex:0 0 20px}._learn-player--quiz-fill_1icpl_138 ._learn-quiz__practice_1icpl_145{max-width:1856px!important;position:relative;display:flex;align-items:safe center;justify-content:safe center;gap:16px;padding:12px 48px var(--learn-task-content-bottom-padding)!important;overflow-x:hidden;overflow-y:auto}._learn-player--quiz-fill_1icpl_138 [data-learn-player-part=quiz-submit-bar]{background:var(--aura-color-surface-subtle)}._learn-player--quiz-fill_1icpl_138._learn-player--bottom-hint-visible_1icpl_159 ._learn-quiz__practice_1icpl_145{margin-bottom:calc(var(--learn-task-bottom-hint-bottom) + var(--learn-task-bottom-hint-trigger-height));padding-bottom:16px!important}._learn-player--quiz-essay_1icpl_163{display:flex;height:100%;min-height:0;flex-direction:column;align-items:center;overflow:hidden}._learn-player--quiz-essay_1icpl_163 ._learn-quiz__practice_1icpl_145{max-width:1400px;flex:1 1 0;align-items:center;gap:20px;overflow:hidden;overflow-y:auto;padding:0 48px var(--learn-task-content-bottom-padding)!important}._learn-player--quiz-essay_1icpl_163 ._learn-quiz-essay_1icpl_105{width:100%;flex:1 1 0;min-height:300px;align-self:center}._learn-player--quiz-essay_1icpl_163 ._learn-quiz-essay__input-card_1icpl_186{min-height:0}._learn-player--quiz-essay_1icpl_163 ._learn-quiz-essay--result_1icpl_189{flex:0 0 auto;min-height:0}._learn-player--quiz-essay_1icpl_163 ._learn-quiz-essay--result_1icpl_189 ._learn-quiz-essay__input-card_1icpl_186{flex:1 1 0;min-height:300px}._learn-player--quiz-essay_1icpl_163._learn-player--quiz-result_1icpl_197 ._learn-quiz__practice_1icpl_145{max-width:1400px;overflow:auto;padding-bottom:var(--learn-task-content-bottom-padding)!important}._learn-quiz__stats_1icpl_202{display:flex;flex-wrap:wrap;gap:8px}._learn-quiz__stats_1icpl_202 ._learn-el-span_1icpl_207{border-radius:999px;background:var(--aura-color-learn-page-background);color:var(--aura-color-primary);font-size:13px;font-weight:800;line-height:1;padding:8px 10px}._learn-quiz__timer-header_1icpl_216{box-sizing:border-box;display:flex;width:100%;height:60px;flex:0 0 auto;align-items:center;justify-content:flex-end;background:var(--aura-color-surface-subtle);padding:0 48px}._learn-quiz__timer-header_1icpl_216 ._learn-quiz__timer_1icpl_216{width:36px;height:36px;font-size:12px}._learn-quiz__timer_1icpl_216{--learn-quiz-timer-progress: 1;position:relative;display:grid;width:42px;height:42px;place-items:center;border:0;border-radius:50%;background:conic-gradient(var(--aura-color-primary) calc(var(--learn-quiz-timer-progress) * 1turn),var(--aura-color-border) 0),var(--aura-color-surface);color:var(--aura-color-primary);font-size:13px;font-weight:900;line-height:1;font-variant-numeric:tabular-nums}._learn-quiz__timer_1icpl_216:before{position:absolute;inset:4px;border-radius:50%;background:var(--aura-color-surface);content:""}._learn-quiz__timer-value_1icpl_255{position:relative;z-index:1}._learn-quiz__timer--paused_1icpl_259{background:conic-gradient(var(--aura-color-quiz-timer-paused-text) calc(var(--learn-quiz-timer-progress) * 1turn),var(--aura-color-border) 0),var(--aura-color-learn-page-background);color:var(--aura-color-quiz-timer-paused-text)}._learn-quiz__timer--paused_1icpl_259:before{background:var(--aura-color-learn-page-background)}._learn-quiz__timer--urgent_1icpl_266{background:conic-gradient(var(--aura-color-player-wrong-border) calc(var(--learn-quiz-timer-progress) * 1turn),var(--aura-color-border) 0),var(--aura-color-surface);color:var(--aura-color-player-wrong-border)}._learn-quiz__audio_1icpl_270{align-self:center}._learn-quiz-fill_1icpl_1,._learn-quiz-essay_1icpl_105{display:flex;width:100%;flex:1;flex-direction:column;min-height:0;gap:14px}._learn-quiz-fill_1icpl_1{max-width:1856px;height:auto;flex:0 0 auto;overflow:visible}._learn-quiz-fill__inline_1icpl_1{display:block;width:100%;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:32px;font-style:normal;font-weight:500;line-height:50px;text-align:center}._learn-quiz-fill__stem_1icpl_299{overflow-wrap:anywhere;white-space:pre-wrap}._learn-quiz-essay__input-card_1icpl_186{display:flex;box-sizing:border-box;flex:1 1 0;min-height:240px;border:1.5px solid var(--aura-color-border-light);border-radius:20px;background:var(--aura-color-surface);overflow:hidden}._learn-quiz-essay__input-card_1icpl_186:focus-within{border-color:var(--aura-color-primary)}._learn-quiz-essay--result_1icpl_189{flex:0 0 auto}._learn-player__fill-list_1icpl_76{display:grid;gap:12px}._learn-quiz-answer-card_1icpl_323,._learn-quiz-explanation_1icpl_324{width:100%;max-width:1856px;margin:0 auto;display:grid;justify-self:stretch;gap:8px;border-radius:8px;padding:20px 48px;text-align:left}._learn-quiz-answer-card_1icpl_323{background:var(--aura-color-learn-answer-correct-background);border:1px solid var(--aura-color-accent-lime);text-align:center}._learn-quiz-answer-card_1icpl_323>._learn-el-span_1icpl_207{color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:500;line-height:24px;letter-spacing:1px}._learn-quiz-answer-card_1icpl_323>._learn-el-strong_1icpl_349{color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:400;line-height:30px;letter-spacing:1px}._learn-quiz-answer-card_1icpl_323>._learn-el-strong_1icpl_349>[data-ui=markdown-text]{display:inline-block;max-width:100%;text-align:left}._learn-quiz-answer-card__list_1icpl_363{display:grid;gap:6px}._learn-quiz-answer-card__list_1icpl_363 ._learn-el-p_1icpl_367{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:8px;margin:0}._learn-quiz-answer-card__list_1icpl_363 ._learn-el-span_1icpl_207,._learn-quiz-answer-card__list_1icpl_363 ._learn-el-strong_1icpl_349{font-family:var(--aura-font-pingfang);color:var(--aura-color-text-title);font-size:14px;font-weight:400}._learn-quiz-explanation_1icpl_324{border:2px solid var(--aura-color-neutral-disabled);background:var(--aura-color-surface)}._learn-quiz-explanation_1icpl_324 ._learn-el-p_1icpl_367,._learn-quiz-explanation__content_1icpl_392{color:var(--aura-color-primary);font-size:14px;font-weight:700;line-height:1.5}._learn-quiz-explanation__content_1icpl_392{display:grid;gap:4px}._learn-quiz-explanation__content_1icpl_392 [data-ui=markdown-text]{color:inherit;font:inherit;line-height:inherit}._learn-quiz-explanation--correct_1icpl_407{border-color:var(--aura-color-accent-lime);background:var(--aura-color-learn-answer-correct-background)}._learn-quiz-explanation--wrong_1icpl_411{text-align:center;border-color:var(--aura-color-learn-answer-wrong-background);background:var(--aura-color-learn-answer-wrong-feedback-background)}._learn-quiz-explanation--wrong_1icpl_411 ._learn-quiz-explanation__label_1icpl_416,._learn-quiz-explanation--wrong_1icpl_411 ._learn-quiz-explanation__content_1icpl_392{color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:400;line-height:30px;letter-spacing:1px}._learn-quiz-explanation__header_1icpl_434{display:flex;align-items:center;gap:10px}._learn-quiz-explanation__header_1icpl_434 ._learn-el-strong_1icpl_349{color:var(--aura-color-black);font-size:16px;font-weight:900;line-height:1.2}._learn-quiz-explanation__label_1icpl_416{color:var(--aura-color-primary);font-size:12px;font-weight:900;line-height:1.2}._learn-quiz-ai-actions_1icpl_451{position:absolute;right:0;bottom:0;left:0;z-index:5;box-sizing:border-box;display:flex;height:var(--learn-task-bottom-action-bar-height);align-items:flex-end;justify-content:center;background:var(--aura-color-quiz-submit-bar-background);padding:24px 20px var(--learn-task-bottom-primary-button-bottom)}._learn-highlight_1icpl_465{display:flex;flex-direction:column;gap:40px}._learn-highlight__instruction_1icpl_470{margin:0;color:var(--aura-color-primary);font-family:var(--aura-font-pingfang);font-size:24px;font-weight:500;letter-spacing:1px;line-height:40px;text-align:center}._learn-highlight__palette_1icpl_480{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}._learn-highlight__palette-label_1icpl_486{margin-right:16px;color:var(--aura-color-text-quiet);font-family:var(--aura-font-pingfang);font-size:20px;font-style:normal;font-weight:400;line-height:30px}._learn-highlight__swatch_1icpl_495{display:inline-flex;min-height:40px;align-items:center;gap:8px;border:1px solid var(--aura-color-border);border-radius:146px;background:transparent;color:var(--aura-color-black);cursor:pointer;font-family:var(--aura-font-pingfang);font-size:20px;font-weight:400;letter-spacing:1px;line-height:24px;padding:7px 16px}._learn-highlight__swatch_1icpl_495:focus-visible{outline:none}._learn-highlight__swatch--active_1icpl_515{border-color:var(--learn-highlight-token-line, var(--aura-color-quiz-highlight-yellow-line));background:var(--learn-highlight-token-bg, var(--aura-color-quiz-highlight-yellow-background))}._learn-highlight__swatch-dot_1icpl_519{display:block;width:16px;height:16px;flex:0 0 auto;border-radius:50%}._learn-highlight__source_1icpl_526{display:flex;justify-content:safe center;align-items:safe center;flex-wrap:wrap;width:100%;min-height:244px;border-radius:16px;background:var(--aura-color-surface);color:var(--aura-color-primary);font-family:var(--aura-font-times);font-size:36px;font-weight:700;letter-spacing:1px;line-height:56px;padding:40px;touch-action:none;-webkit-user-select:none;user-select:none}._learn-highlight__token_1icpl_545{--learn-highlight-token-bg: var(--aura-color-surface);--learn-highlight-token-line: var(--aura-color-quiz-highlight-underline);position:relative;display:inline-block;vertical-align:bottom;border:0;border-radius:0;background:var(--learn-highlight-token-bg);cursor:pointer;margin:0;padding:6px 0 10px;white-space:pre-wrap;color:var(--aura-color-primary);font-family:var(--aura-font-times);font-size:36px;font-style:normal;font-weight:700;line-height:44px}._learn-highlight__token_1icpl_545:after{position:absolute;right:0;bottom:0;left:0;height:2px;background:var(--learn-highlight-token-line);content:""}._learn-highlight__token_1icpl_545:focus-visible{outline:3px solid var(--aura-color-primary-alpha-28);outline-offset:2px}._learn-highlight__token_1icpl_545:disabled{cursor:default}._learn-highlight__token--selected_1icpl_581,._learn-highlight__token--correct_1icpl_582,._learn-highlight__token--missed_1icpl_583{background:var(--learn-highlight-token-bg)}._learn-highlight__token--wrong_1icpl_586{background:var(--aura-color-player-wrong-background)!important}._learn-highlight__token--remove-preview_1icpl_589{background:var(--aura-color-player-wrong-background)!important;color:var(--aura-color-text-secondary)}._learn-highlight__token--remove-preview_1icpl_589:after{display:none}._learn-highlight__token--partial_1icpl_596{background:var(--aura-color-player-wrong-background)!important;color:var(--aura-color-text-secondary)}._learn-highlight__token--preview_1icpl_600{background:var(--learn-highlight-token-bg)}._learn-player__feedback_1icpl_603{display:grid;gap:4px;border-radius:8px;background:var(--aura-color-learn-page-background);color:var(--aura-color-primary);padding:12px 14px}._learn-player__feedback_1icpl_603 ._learn-el-strong_1icpl_349{color:var(--aura-color-primary);font-size:15px}._learn-player__feedback_1icpl_603 ._learn-el-span_1icpl_207,._learn-player__feedback_1icpl_603 ._learn-el-small_1icpl_616{color:var(--aura-color-text-secondary);line-height:1.5}._learn-player__feedback--error_1icpl_620{background:var(--aura-color-player-wrong-background);color:var(--aura-color-text-on-primary-background-danger)}[data-learn-shell-part=content] ._learn-player--podcast_1y56g_1{display:flex;width:100%;height:100%;min-height:0;flex-direction:column;justify-content:safe center;align-items:safe center;background:var(--aura-color-surface-subtle);gap:0;padding:0}[data-learn-shell-part=content] ._learn-player--podcast-quiz_1y56g_13{display:flex;height:100%}[data-learn-shell-part=content] ._learn-player--podcast-quiz_1y56g_13 ._learn-player__progress_1y56g_17{justify-self:center;margin:-10px 0 18px;color:var(--aura-color-text-secondary);font-size:14px;font-weight:800}[data-learn-shell-part=content] ._learn-podcast__stage_1y56g_24{flex:1;min-height:0;max-width:1856px;width:100%;display:flex;flex-direction:column;align-items:safe center;justify-content:safe center;margin:0 auto;padding:0 48px var(--learn-task-bottom-primary-button-bottom)!important;overflow:hidden}[data-learn-shell-part=content] ._learn-podcast__stage_1y56g_24 audio{display:none}[data-learn-shell-part=content] ._learn-podcast__segment_1y56g_40{margin:8px 0 0!important;color:var(--aura-color-text-subtle);font-family:var(--aura-font-pingfang);font-size:24px;font-style:normal;font-weight:400;line-height:28px;text-align:center}[data-learn-shell-part=content] ._learn-podcast__title_1y56g_50{flex-shrink:0;display:block;max-width:100%;overflow:hidden;color:var(--aura-color-primary);font-family:var(--aura-font-songti);font-size:42px;font-style:normal;font-weight:900;line-height:54px;text-align:center;text-overflow:ellipsis;white-space:nowrap}[data-learn-shell-part=content] ._learn-podcast__waveform_1y56g_65{margin-top:12px;order:3;display:flex;width:100%;height:62px;align-items:flex-end;justify-content:center;gap:6px;padding:0}[data-learn-shell-part=content] ._learn-podcast__wavebar_1y56g_76{width:5px;height:13px;min-height:10px;border-radius:0;background:var(--aura-color-primary);transition:background .2s ease}[data-learn-shell-part=content] ._learn-podcast__wavebar--active_1y56g_84{background:var(--aura-color-primary);animation:_podcast-wave-bar_1y56g_1 .6s ease-in-out infinite;animation-delay:var(--podcast-bar-delay, 0s)}[data-learn-shell-part=content] 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var(--aura-color-surface);border-right-color:transparent;border-radius:50%;transform:translate(-50%,-50%);animation:_app-button-spin_1y56g_1 .8s linear infinite}[data-learn-shell-part=content] ._learn-podcast__tools_1y56g_222{order:7;flex-shrink:0;display:flex;width:110px;align-items:center;justify-content:center;gap:10px}[data-learn-shell-part=content] ._learn-podcast__rate_1y56g_137{display:flex;justify-content:center;align-items:center;width:64px;height:34px;min-width:0;border:0;border-radius:17px;background:var(--aura-asset-podcast-speed-pill) center / 100% 100% no-repeat;color:var(--aura-color-primary);cursor:pointer;font-size:20px;font-weight:500;line-height:28px;padding:0}[data-learn-shell-part=content] ._learn-podcast__done-cta_1y56g_138{order:8;width:260px;margin-top:18px;border:0;cursor:pointer;font-size:16px;font-weight:600;line-height:22px;padding:13px 18px}[data-learn-shell-part=content] ._learn-podcast__done-cta_1y56g_138:disabled{cursor:default;opacity:.54}@keyframes 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