._06CR0q_page{background:var(--color-bg-alt);color:var(--color-text);flex:1;padding:32px 16px}._06CR0q_card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);max-width:440px;margin:0 auto;padding:24px}._06CR0q_title{margin:0 0 8px;font-size:26px;line-height:1.2}._06CR0q_lead{color:var(--color-muted);margin:0 0 20px;line-height:1.5}._06CR0q_tabs{gap:8px;margin-bottom:16px;display:flex}._06CR0q_tab{min-height:var(--touch);border:2px solid var(--color-border-input);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-text);cursor:pointer;flex:1;padding:8px 10px;font-weight:600}._06CR0q_tabActive{background:var(--color-text);border-color:var(--color-text);color:var(--color-bg);font-weight:700;}._06CR0q_field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}._06CR0q_label{font-weight:600;font-size:var(--font-small)}._06CR0q_input{min-height:var(--touch);border:2px solid var(--color-border-input);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-text);font-size:var(--font-body);padding:10px 12px}._06CR0q_error{color:var(--color-danger);font-size:var(--font-small);font-weight:600}._06CR0q_note{color:var(--color-muted);font-size:var(--font-xs);line-height:1.5}._06CR0q_primary{width:100%;min-height:var(--touch-main);border:2px solid var(--color-action-edge);border-radius:var(--radius-control);background:var(--color-action);color:var(--color-action-ink);cursor:pointer;padding:12px;font-size:19px;font-weight:700}._06CR0q_primary:disabled{background:var(--color-bg);color:var(--color-muted);border-style:dashed;border-color:var(--color-border-input);cursor:not-allowed}._06CR0q_secondary{width:100%;min-height:var(--touch);border:2px solid var(--color-border-input);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-text);font-size:var(--font-body);cursor:pointer;padding:10px 12px;font-weight:600}._06CR0q_divider{text-align:center;color:var(--color-muted);margin:14px 0}._06CR0q_link{color:var(--color-primary);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;min-height:48px;padding:8px 0;font-weight:600;text-decoration:underline}._06CR0q_list{flex-direction:column;gap:8px;margin:0 0 16px;padding:0;list-style:none;display:flex}._06CR0q_device{border:2px solid var(--color-border-input);border-radius:var(--radius-control);justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}._06CR0q_field input[aria-invalid=true]{border-color:var(--color-danger)}._06CR0q_secondary+._06CR0q_secondary{margin-top:8px}
.slcJ-G_btn{min-height:var(--touch-main);border-radius:var(--radius-control);cursor:pointer;text-align:center;border:2px solid #0000;justify-content:center;align-items:center;gap:8px;padding:8px 20px;font-weight:700;line-height:1.2;text-decoration:none;display:inline-flex}.slcJ-G_btn:disabled{color:var(--color-muted);background:var(--color-bg);border-style:dashed;border-color:var(--color-border-input);cursor:not-allowed}.slcJ-G_btn:active{transform:translateY(1px)}.slcJ-G_action{background:var(--color-action);color:var(--color-action-ink);border-color:var(--color-action-edge);font-size:19px;}.slcJ-G_action:hover{background:var(--color-action);color:var(--color-action-ink);filter:brightness(.96)}.slcJ-G_primary{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-on-primary);}.slcJ-G_primary:hover{background:var(--color-primary-dark);color:var(--color-on-primary)}.slcJ-G_outline{background:var(--color-bg);border-color:var(--color-border-input);color:var(--color-text);}.slcJ-G_outline:hover{color:var(--color-text);background:var(--color-bg-soft)}.slcJ-G_danger{background:var(--color-danger);border-color:var(--color-danger);color:var(--color-bg);}.slcJ-G_wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.slcJ-G_section{padding:64px 0}.slcJ-G_h1{letter-spacing:-.01em;font-size:clamp(30px,6vw,44px);font-weight:800;line-height:1.15}.slcJ-G_h2{font-size:clamp(24px,4.5vw,30px);font-weight:700;line-height:1.25}.slcJ-G_h3{font-size:20px;font-weight:700;line-height:1.3}.slcJ-G_muted{color:var(--color-muted);font-size:var(--font-small)}.slcJ-G_lead{color:var(--color-text-2)}.slcJ-G_card{border-radius:var(--radius-card);background:var(--color-bg);border:1px solid var(--color-border);flex-direction:column;gap:14px;padding:20px;display:flex}.slcJ-G_plate{border-radius:var(--radius-card);background:var(--color-plate);color:var(--color-plate-text);flex-direction:column;gap:14px;padding:20px;display:flex}.slcJ-G_plate a:not(.slcJ-G_btn){color:var(--color-plate-text)}.slcJ-G_plate .slcJ-G_muted{color:var(--color-plate-muted)}.slcJ-G_plate .slcJ-G_lead{color:var(--color-plate-text)}.slcJ-G_grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:20px;display:grid}.slcJ-G_chip{background:var(--color-primary-soft);min-height:28px;color:var(--color-text);font-size:var(--font-xs);border-radius:4px;align-self:flex-start;align-items:center;padding:2px 8px;font-weight:700;display:inline-flex}.slcJ-G_price{font-variant-numeric:tabular-nums;font-size:28px;font-weight:800}.slcJ-G_row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.slcJ-G_notice{border-radius:var(--radius-card);background:var(--color-warning-bg);border:1px solid var(--color-warning-border);color:var(--color-warning);padding:14px 16px;font-weight:500}.slcJ-G_error{border-radius:var(--radius-card);background:var(--color-danger-bg);border:1px solid var(--color-danger);color:var(--color-danger);padding:14px 16px;font-weight:500}.slcJ-G_ok{border-radius:var(--radius-card);background:var(--color-success-bg);border:1px solid var(--color-success);color:var(--color-success);padding:14px 16px;font-weight:500}@media (max-width:600px){.slcJ-G_section{padding:40px 0}.slcJ-G_wrap{padding:0 16px}}@media (prefers-reduced-motion:no-preference){.slcJ-G_btn{transition:transform 80ms}}
.QuHVGW_header{background:var(--color-plate);color:var(--color-plate-text)}.QuHVGW_headerRow{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding-top:12px;padding-bottom:12px;display:flex}.QuHVGW_brand{color:var(--color-plate-text);min-height:var(--touch);align-items:center;gap:10px;font-size:19px;font-weight:700;text-decoration:none;display:flex}.QuHVGW_logo{width:32px;height:40px;color:var(--color-plate-text);background:0 0;justify-content:center;align-items:center;display:flex}.QuHVGW_nav,.QuHVGW_navOpen{flex-wrap:wrap;align-items:center;gap:4px 8px;display:flex}.QuHVGW_menuButton,.QuHVGW_phoneLogin{display:none}@media (max-width:760px){.QuHVGW_headerRow{gap:4px;padding-top:8px;padding-bottom:8px}.QuHVGW_brand{white-space:nowrap;gap:8px;margin-right:auto;font-size:16px}.QuHVGW_logo{width:28px;height:34px}.QuHVGW_nav{display:none}.QuHVGW_navOpen{border-top:1px solid var(--color-plate-2);flex-direction:column;flex:0 0 100%;align-items:stretch;gap:0;padding-top:4px}.QuHVGW_phoneLogin{min-height:var(--touch);color:var(--color-plate-text);font-size:var(--font-small);align-items:center;padding:0 6px;font-weight:700;text-decoration:none;display:flex}.QuHVGW_menuButton{border:2px solid var(--color-plate-text);border-radius:var(--radius-control);width:48px;min-height:48px;color:var(--color-plate-text);font:inherit;cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:0;font-weight:600;display:flex}.QuHVGW_navOpen .QuHVGW_navCta{justify-content:center;margin:8px 0}}.QuHVGW_navLink{min-height:var(--touch);color:var(--color-plate-text);font-size:var(--font-small);border-radius:var(--radius-control);align-items:center;padding:0 10px;font-weight:500;text-decoration:none;display:flex}.QuHVGW_navLink:hover{color:var(--color-plate-text);background:var(--color-plate-2)}.QuHVGW_navLink[aria-current]{background:var(--color-action);color:var(--color-action-ink);font-weight:700}.QuHVGW_navInstall{font:inherit;color:var(--color-plate-text);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;font-weight:700;text-decoration:underline;}.QuHVGW_navTheme{font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;font-weight:600;text-decoration:underline;}.QuHVGW_navCta{min-height:var(--touch);font-size:var(--font-small);border-radius:var(--radius-control);background:var(--color-action);color:var(--color-action-ink);border:2px solid var(--color-action-edge);align-items:center;padding:0 14px;font-weight:700;text-decoration:none;display:flex}.QuHVGW_navCta:hover{color:var(--color-action-ink);filter:brightness(.94)}.QuHVGW_footer{border-top:1px solid var(--color-border);background:var(--color-bg);margin-top:auto}.QuHVGW_footerRow{color:var(--color-muted);font-size:var(--font-small);flex-wrap:wrap;justify-content:space-between;gap:16px 24px;padding-top:32px;padding-bottom:32px;display:flex}.QuHVGW_footerNav{flex-wrap:wrap;gap:0 20px;display:flex}.QuHVGW_footerNav a{min-height:var(--touch);align-items:center;display:flex}@media (max-width:380px){.QuHVGW_brand{gap:6px;font-size:15px}.QuHVGW_logo{width:24px}.QuHVGW_phoneLogin{font-size:var(--font-xs);padding:0 4px}}@media (max-width:340px){.QuHVGW_brandText{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}}
._2ntxBW_steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;max-width:560px;margin:0;padding:0;list-style:none;display:grid}._2ntxBW_step{background:var(--color-bg-soft);min-height:44px;color:var(--color-text);font-size:var(--font-xs);text-align:center;border-radius:4px;justify-content:center;align-items:center;padding:6px;font-weight:600;line-height:1.2;display:flex}._2ntxBW_now{background:var(--color-action);color:var(--color-action-ink);font-weight:700;}
.ZTp96W_field{flex-direction:column;gap:6px;max-width:520px;display:flex}.ZTp96W_label{font-weight:600;font-size:var(--font-xs)}.ZTp96W_input{min-height:var(--touch-main);border:2px solid var(--color-border-input);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-text);padding:10px 14px;font-size:16px}.ZTp96W_input:focus-visible{outline:3px solid var(--color-primary-soft);border-color:var(--color-primary)}
.C35YFa_dialog{border:1px solid var(--color-border);background:var(--color-bg);width:min(440px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--color-text);border-radius:12px;padding:20px;overflow:auto}.C35YFa_dialog::backdrop{background:#00000073}.C35YFa_title{margin:0 0 8px;font-size:20px}.C35YFa_subtitle{margin:16px 0 6px;font-size:16px}.C35YFa_lead{color:var(--color-muted);margin:0 0 8px;line-height:1.5}.C35YFa_warn{border-radius:var(--radius-control);background:var(--color-warning-bg);border:1px solid var(--color-warning-border);color:var(--color-warning);padding:10px 12px;line-height:1.5}.C35YFa_steps{margin:0;padding-left:20px;line-height:1.6}.C35YFa_close{width:100%;min-height:var(--touch-main);border-radius:var(--radius-control);background:var(--color-primary);color:var(--color-bg);cursor:pointer;border:0;margin-top:16px;font-size:16px;font-weight:600}
.m11A_G_nav,.m11A_G_spacer{display:none}@media (max-width:760px){.m11A_G_spacer{height:calc(68px + env(safe-area-inset-bottom));display:block}html:has(.m11A_G_nav){--dock-bottom:calc(64px + env(safe-area-inset-bottom))}.m11A_G_nav{z-index:50;padding-bottom:env(safe-area-inset-bottom);background:var(--color-plate);grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}}.m11A_G_item{height:64px;color:var(--color-plate-text);font-size:var(--font-xs);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:4px 2px;font-weight:600;line-height:1.1;text-decoration:none;display:flex;overflow:hidden}.m11A_G_item svg{flex:none;width:20px;height:20px}.m11A_G_active{background:var(--color-action);color:var(--color-action-ink);font-weight:700;}.m11A_G_item:focus-visible,.m11A_G_active:focus-visible{outline:3px solid var(--color-focus);outline-offset:-3px}
.aBtRkW_open{min-height:var(--touch-main);border:1px solid var(--color-primary);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-primary);font:inherit;cursor:pointer;padding:8px 16px;font-weight:600}.aBtRkW_open:focus-visible,.aBtRkW_send:focus-visible,.aBtRkW_close:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px}.aBtRkW_dialog{border:1px solid var(--color-border);background:var(--color-bg);width:min(440px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--color-text);border-radius:12px;padding:20px;overflow:auto}.aBtRkW_dialog::backdrop{background:#00000073}.aBtRkW_title{margin:0 0 8px;font-size:20px}.aBtRkW_lead{color:var(--color-muted);margin:0 0 12px;line-height:1.5}.aBtRkW_field{font-size:var(--font-xs);color:var(--color-text-2);flex-direction:column;gap:6px;margin-bottom:12px;display:flex}.aBtRkW_field textarea{border:2px solid var(--color-border-input);border-radius:var(--radius-control);font:inherit;resize:vertical;padding:8px 10px}.aBtRkW_error{color:var(--color-danger);margin:0 0 8px}.aBtRkW_ok{border-radius:var(--radius-control);background:var(--color-success-bg);color:var(--color-success);padding:10px 12px;line-height:1.5}.aBtRkW_actions{flex-direction:column;gap:8px;margin-top:12px;display:flex}.aBtRkW_send{min-height:var(--touch-main);border-radius:var(--radius-control);background:var(--color-primary);color:var(--color-bg);font:inherit;cursor:pointer;border:0;font-size:16px;font-weight:600}.aBtRkW_send:disabled{opacity:.6;cursor:default}.aBtRkW_close{min-height:var(--touch-main);border:2px solid var(--color-border-input);border-radius:var(--radius-control);background:var(--color-bg-alt);color:var(--color-text-2);font:inherit;cursor:pointer}
.ysv2gq_page{--sticky-top:72px;--study-bg:var(--color-bg-alt);background:var(--color-bg-alt);min-height:100vh;color:var(--color-text);padding-bottom:32px}.ysv2gq_bar{z-index:3;background:var(--color-plate);color:var(--color-plate-text);position:sticky;top:0}.ysv2gq_barInner{justify-content:space-between;align-items:center;gap:12px;max-width:1200px;margin:0 auto;padding:12px 24px;display:flex}.ysv2gq_brand{font:inherit;color:var(--color-plate-text);cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:0;font-size:19px;font-weight:700;display:flex}.ysv2gq_logo{width:32px;height:40px;color:var(--color-plate-text);justify-content:center;align-items:center;display:flex}.ysv2gq_barNav{min-height:var(--touch);color:var(--color-plate-text);font-size:var(--font-small);align-items:center;font-weight:500;text-decoration:none;display:inline-flex}.ysv2gq_brandText{white-space:nowrap}@media (max-width:760px){.ysv2gq_page{--sticky-top:68px}.ysv2gq_barInner{padding:8px 16px}.ysv2gq_logo{width:28px;height:36px}.ysv2gq_barNav{display:none}.ysv2gq_barRight{white-space:nowrap;min-width:0}.ysv2gq_barRight .ysv2gq_barLink{max-width:110px;line-height:var(--touch);text-overflow:ellipsis;display:block;overflow:hidden}}@media (max-width:480px){.ysv2gq_brandText{display:none}}.ysv2gq_barLink{min-height:var(--touch);color:var(--color-text-2);font-size:var(--font-xs);align-items:center;display:inline-flex}.ysv2gq_bar .ysv2gq_barLink,.ysv2gq_bar .ysv2gq_barNav:hover{color:var(--color-plate-text)}.ysv2gq_srOnly{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ysv2gq_wrap{flex-direction:column;gap:14px;max-width:720px;margin:0 auto;padding:16px;display:flex}.ysv2gq_wrapLesson{max-width:1080px;}.ysv2gq_card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:20px}.ysv2gq_h1{margin:0 0 6px;font-size:26px;line-height:1.2}.ysv2gq_h2{margin:0 0 10px;font-size:20px;line-height:1.3}.ysv2gq_muted{color:var(--color-muted);font-size:var(--font-xs);margin:0;line-height:1.5}.ysv2gq_en{margin:0 0 6px;font-size:21px;font-weight:700;line-height:1.3}.ysv2gq_vi{color:var(--color-muted);font-size:var(--font-body);margin:0;line-height:1.45}.ysv2gq_banner{background:var(--color-warning-bg);border:1px solid var(--color-warning-border);color:var(--color-warning);border-radius:var(--radius-card);font-size:var(--font-small);padding:14px 16px;font-weight:500;line-height:1.5}.ysv2gq_bannerDanger{background:var(--color-danger-bg);border-color:var(--color-danger);color:var(--color-danger);}.ysv2gq_note{font-size:var(--font-body);color:var(--color-text);padding:0 2px;line-height:1.5}.ysv2gq_list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.ysv2gq_row{text-align:left;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);width:100%;min-height:64px;color:inherit;font:inherit;cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.ysv2gq_row:disabled{color:var(--color-muted);cursor:default}.ysv2gq_rowTitle{font-size:var(--font-body);line-height:1.4}.ysv2gq_tag{min-height:28px;font-size:var(--font-xs);background:var(--color-bg-soft);color:var(--color-text);white-space:nowrap;border-radius:4px;flex:none;align-items:center;padding:2px 8px;font-weight:700;display:inline-flex}.ysv2gq_tagDone{background:var(--color-success-bg);color:var(--color-success);}.ysv2gq_tagDoing{background:var(--color-warning-bg);color:var(--color-warning);}.ysv2gq_tagTrial{background:var(--color-success-bg);color:var(--color-success);}.ysv2gq_primary{min-height:var(--touch-main);border:2px solid var(--color-action-edge);border-radius:var(--radius-control);background:var(--color-action);color:var(--color-action-ink);font:inherit;cursor:pointer;padding:8px 18px;font-weight:700}.ysv2gq_primary:disabled{border-style:dashed;border-color:var(--color-border-input);background:var(--color-bg);color:var(--color-muted);cursor:not-allowed}.ysv2gq_secondary{min-height:var(--touch);border:2px solid var(--color-border-input);border-radius:var(--radius-control);background:var(--color-bg);color:var(--color-text);font:inherit;cursor:pointer;padding:8px 16px;font-weight:700}.ysv2gq_secondary:disabled{color:var(--color-muted);cursor:not-allowed;border-style:dashed}.ysv2gq_actions{flex-wrap:wrap;gap:8px;display:flex}.ysv2gq_item{border-top:1px solid var(--color-line);padding:8px 0}.ysv2gq_item:first-of-type{border-top:0}.ysv2gq_check{min-height:52px;font-size:var(--font-body);align-items:center;gap:12px;padding:4px 0;display:flex}.ysv2gq_check 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4px;font-weight:600;text-decoration:underline}.ysv2gq_barInstall{min-height:var(--touch);font:inherit;color:var(--color-plate-text);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0 10px;font-weight:700;text-decoration:underline}.ysv2gq_speak{flex-wrap:wrap;align-items:center;gap:4px 8px;margin-top:6px;display:inline-flex}.ysv2gq_voice{flex-direction:column;gap:4px;margin-bottom:12px;display:flex}.ysv2gq_voice select{min-height:var(--touch);border:2px solid var(--color-border-input);border-radius:var(--radius-control);max-width:100%;padding:6px 10px;font-size:15px}.ysv2gq_head{flex-direction:column;gap:6px;padding:4px 2px;display:flex}.ysv2gq_plate{background:var(--color-plate);color:var(--color-plate-text);border-radius:var(--radius-card);flex-direction:column;gap:10px;padding:20px;display:flex}.ysv2gq_plate .ysv2gq_h2{margin:0}.ysv2gq_plate .ysv2gq_muted{color:var(--color-plate-muted);font-size:var(--font-small)}.ysv2gq_plate 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