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12px;border-radius:20px;background:var(--yellow);margin:0;font-weight:800}.demo-continue[data-v-7a9e487d]{display:flex;align-items:center;justify-content:center;gap:8px}.option-label[data-v-7a9e487d]{display:grid;gap:2px;margin-top:4px;font-size:1.1rem}.option-label-zh[data-v-7a9e487d]{font-weight:900}.option-label .english-content[data-v-7a9e487d]{overflow-wrap:anywhere;font-size:.86em;font-weight:700;opacity:.78}.friendly-hint[data-v-7a9e487d]{margin:0;font-weight:800}.primary-action[data-v-7a9e487d]{width:100%}.secondary-action[data-v-7a9e487d]{width:100%;min-height:56px;padding:12px 16px;border:3px solid var(--navy);border-radius:20px;color:var(--navy);background:var(--white);font:inherit;font-weight:800;line-height:1.5;overflow-wrap:anywhere;cursor:pointer}button[data-v-7a9e487d]:focus-visible{outline:4px solid var(--navy);outline-offset:4px}.secondary-action[data-v-7a9e487d]:disabled{opacity:.6;cursor:default}.sr-only[data-v-7a9e487d]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:360px){.option[data-v-7a9e487d]{padding:6px}.options[data-v-7a9e487d]{gap:8px}.option-label[data-v-7a9e487d]{font-size:1rem}}@media(prefers-reduced-motion:reduce){.option[data-v-7a9e487d]:active{transform:none}}.activity[data-v-a3d22dee]{display:grid;gap:18px;justify-items:center;width:100%;text-align:center}h2[data-v-a3d22dee]{margin:0;font-size:clamp(1.8rem,8vw,3rem)}.localized-guide[data-v-a3d22dee]{margin:-8px 0 0;font-size:1.1rem;font-weight:800}.match-target[data-v-a3d22dee]{display:grid;place-items:center;min-height:120px;padding:16px;border:4px solid var(--navy);border-radius:24px;background:var(--yellow)}.match-target>span[data-v-a3d22dee]{font-size:5rem}.prompt-image[data-v-a3d22dee]{width:min(100%,280px);height:180px;object-fit:contain}.listen-button[data-v-a3d22dee]{width:72px;height:72px;border:0;border-radius:50%;background:var(--yellow);font-size:2rem}.options[data-v-a3d22dee]{display:grid;grid-template-columns:repeat(var(--choice-columns),minmax(0,1fr));gap:10px;width:100%}.option[data-v-a3d22dee]{position:relative;width:100%;min-width:56px;min-height:120px;padding:10px;border:4px solid var(--navy);border-radius:24px;color:var(--navy);background:var(--white);font-weight:800}.option img[data-v-a3d22dee]{width:100%;height:72px;object-fit:contain}.option>span[data-v-a3d22dee]:first-child{display:grid;height:72px;place-items:center;font-size:3rem}.choice-slot[data-v-a3d22dee]{min-width:0;min-height:120px}.empty-choice[data-v-a3d22dee]{display:block;min-height:120px;border:3px dashed #b5c6cd;border-radius:24px}.option[data-retry-cue][data-v-a3d22dee]{border-color:#bc723d;background:#fff0d0}.demonstrated-option[data-v-a3d22dee]{outline:5px solid #79ba98;outline-offset:2px}.demo-hand[data-v-a3d22dee]{position:absolute;bottom:-12px;right:-8px;color:var(--navy);pointer-events:none}.wrong-feedback[data-v-a3d22dee]{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:20px;background:var(--yellow);margin:0;font-weight:800}.demo-continue[data-v-a3d22dee]{display:flex;align-items:center;justify-content:center;gap:8px}.option-label[data-v-a3d22dee]{display:grid;gap:2px;margin-top:4px;font-size:1.1rem}.option-label-zh[data-v-a3d22dee]{font-weight:900}.option-label .english-content[data-v-a3d22dee]{overflow-wrap:anywhere;font-size:.86em;font-weight:700;opacity:.78}.friendly-hint[data-v-a3d22dee]{margin:0;font-weight:800}.primary-action[data-v-a3d22dee]{width:100%}.secondary-action[data-v-a3d22dee]{width:100%;min-height:56px;padding:12px 16px;border:3px solid var(--navy);border-radius:20px;color:var(--navy);background:var(--white);font:inherit;font-weight:800;line-height:1.5;overflow-wrap:anywhere;cursor:pointer}button[data-v-a3d22dee]:focus-visible{outline:4px solid var(--navy);outline-offset:4px}.secondary-action[data-v-a3d22dee]:disabled{opacity:.6;cursor:default}.sr-only[data-v-a3d22dee]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:360px){.option[data-v-a3d22dee]{padding:6px}.options[data-v-a3d22dee]{gap:8px}.option-label[data-v-a3d22dee]{font-size:1rem}}@media(prefers-reduced-motion:reduce){.option[data-v-a3d22dee]:active{transform:none}}.activity[data-v-518807be]{display:grid;gap:12px;justify-items:center;width:100%;text-align:center}.repeat-image[data-v-518807be]{width:min(100%,260px);height:160px;object-fit:contain}.repeat-activity .repeat-scene[data-v-518807be]{width:min(100%,260px);padding:8px}.repeat-activity .repeat-scene[data-v-518807be] .english-art{width:min(100%,160px)}.repeat-illustration[data-v-518807be]{font-size:3.5rem;line-height:1}h2[data-v-518807be]{margin:0;font-size:clamp(1.65rem,6vw,2.1rem)}.localized-guide[data-v-518807be]{max-width:100%;overflow-wrap:anywhere;margin:0;font-size:1.1rem;font-weight:800}.phrase[data-v-518807be]{max-width:100%;overflow-wrap:anywhere;margin:0;padding:12px 18px;border-radius:20px;background:var(--mint);font-size:clamp(1.35rem,6vw,1.75rem);font-weight:900}.speaking-note[data-v-518807be]{max-width:460px;margin:0;font-size:.9rem;line-height:1.6;color:#667565}.friendly-hint[data-v-518807be]{max-width:100%;overflow-wrap:anywhere;margin:0;font-weight:800}.repeat-actions[data-v-518807be]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:min(100%,520px)}.repeat-actions button[data-v-518807be]{display:flex;align-items:center;justify-content:center;gap:8px;min-width:56px;min-height:56px;padding:10px}.repeat-actions button span[data-v-518807be]{min-width:0;overflow-wrap:anywhere}.repeat-actions svg[data-v-518807be]{flex:0 0 28px;width:28px;height:28px}.secondary-action[data-v-518807be]{border:3px solid var(--navy);border-radius:20px;color:var(--navy);background:var(--white);font-weight:800}.repeat-actions .primary-action[data-v-518807be]{width:100%;min-height:64px;font-size:1.2rem}[data-skip][data-v-518807be],.without-audio .primary-action[data-v-518807be]{grid-column:1 / -1}.activity[data-v-6c87eb7c]{display:grid;gap:18px;justify-items:center;width:100%;text-align:center}.action-image[data-v-6c87eb7c]{width:min(100%,360px);height:250px;object-fit:contain}.action-scene[data-v-6c87eb7c]{position:relative;width:min(100%,360px)}.point-hand[data-v-6c87eb7c]{position:absolute;bottom:14px;right:18px;transform:rotate(-30deg)}.situational-guide[data-v-6c87eb7c]{margin:0;font-size:1.15rem;font-weight:800;line-height:1.5}.action-illustration[data-v-6c87eb7c]{font-size:7rem}h2[data-v-6c87eb7c]{margin:0;font-size:clamp(1.8rem,8vw,3rem)}.english-content[data-v-6c87eb7c]{margin:-8px 0 0;font-size:1.1rem;font-weight:700;opacity:.78}.friendly-hint[data-v-6c87eb7c]{margin:0;font-weight:800}.secondary-action[data-v-6c87eb7c]{min-height:56px;padding:10px 22px;border:3px solid var(--navy);border-radius:20px;background:var(--white);font-weight:800}.primary-action[data-v-6c87eb7c]{width:100%}.activity[data-v-fee8d8b1]{display:grid;gap:18px;justify-items:center;width:100%;text-align:center}.reward-star[data-v-fee8d8b1]{color:var(--yellow);font-size:9rem;line-height:1;text-shadow:4px 4px 0 var(--navy);animation:pop-fee8d8b1 .6s ease-out both}h2[data-v-fee8d8b1]{margin:0;font-size:clamp(2rem,10vw,3.5rem)}p[data-v-fee8d8b1]{margin:0;font-size:1.25rem;font-weight:800}@media(prefers-reduced-motion:reduce){.reward-star[data-v-fee8d8b1]{animation:none}}.primary-action[data-v-fee8d8b1]{width:100%}@keyframes pop-fee8d8b1{0%{transform:scale(.7);opacity:.4}to{transform:scale(1);opacity:1}}.intro-activity[data-v-63b61b29]{display:grid;justify-items:center;gap:14px;width:100%;min-width:0;text-align:center}h2[data-v-63b61b29]{margin:0;font-size:clamp(1.8rem,8vw,3rem)}p[data-v-63b61b29]{margin:0;font-size:1.15rem}.intro-picture[data-v-63b61b29]{position:relative;width:min(100%,240px);padding:8px;border:4px solid var(--navy);border-radius:32px;background:var(--yellow)}.intro-picture>.guidance-icon[data-v-63b61b29]{position:absolute;right:4px;bottom:4px;padding:8px;border-radius:50%;background:var(--white)}.intro-picture[data-v-63b61b29]:active{background:var(--mint)}.intro-response[data-v-63b61b29]{padding:12px;border-radius:20px;background:var(--mint);font-weight:800}.primary-action[data-v-63b61b29],.secondary-action[data-v-63b61b29]{display:flex;align-items:center;justify-content:center;gap:8px;width:min(100%,520px);min-height:64px}.secondary-action[data-v-63b61b29]{padding:4px 14px;border:3px solid var(--navy);border-radius:22px;background:var(--white);color:var(--navy);font-weight:800}.caregiver-note[data-v-63b61b29]{font-size:.9rem;line-height:1.5;color:#425569;max-width:480px}button[data-v-63b61b29]:disabled{opacity:.55}@media(prefers-reduced-motion:reduce){button[data-v-63b61b29]{transform:none!important}}.activity[data-v-b1100cd3]{display:grid;gap:18px;justify-items:center;width:100%;text-align:center}h2[data-v-b1100cd3]{margin:0;font-size:clamp(1.8rem,8vw,3rem)}.english-content[data-v-b1100cd3]{margin:-10px 0 0;font-size:1.1rem;font-weight:700;opacity:.78}.player-frame[data-v-b1100cd3]{width:100%;overflow:hidden;border:4px solid var(--navy);border-radius:24px;background:#0f1720;aspect-ratio:16 / 9;box-shadow:var(--shadow)}iframe[data-v-b1100cd3]{display:block;width:100%;height:100%;border:0}.secondary-action[data-v-b1100cd3]{display:inline-grid;min-height:56px;place-items:center;padding:10px 22px;border:3px solid var(--navy);border-radius:20px;color:var(--navy);background:var(--white);font-weight:800;text-decoration:none}.primary-action[data-v-b1100cd3]{width:100%;min-height:64px}.unbound-video[data-v-b1100cd3]{display:grid;width:100%;gap:14px;justify-items:center;padding:24px;border-radius:24px;background:var(--yellow)}.friendly-hint[data-v-b1100cd3],.search-hint[data-v-b1100cd3]{margin:0;font-weight:800}.friendly-hint[data-v-b1100cd3]{font-size:1.35rem}.search-hint[data-v-b1100cd3]{font-size:1.05rem}.activity-host[data-v-52c50280]{width:100%}.activity-controls[data-v-52c50280]{width:100%;min-width:0;margin:0;padding:0;border:0}.unknown-activity[data-v-52c50280]{display:grid;gap:20px;justify-items:center;padding:24px;text-align:center}.unknown-activity p[data-v-52c50280]{margin:0;font-size:1.25rem;font-weight:800}.primary-action[data-v-52c50280]{width:100%;min-height:72px}.lesson-page[data-v-5c51fafb]{position:relative;gap:18px;width:min(100%,900px);color:#254c45;--navy:#254c45;--mint:#dce9d9;--yellow:#f1dfb8;--coral:#297365;--shadow:0 5px 18px #254c4510}.lesson-heading[data-v-5c51fafb]{margin-right:auto}.lesson-heading>span[data-v-5c51fafb]{font-size:10px;letter-spacing:2px;color:#5f705f}.lesson-heading h1[data-v-5c51fafb]{font-size:17px;margin:5px 0}.activity-kicker[data-v-5c51fafb]{align-self:center;margin:12px 0 0;padding:8px 18px;border-radius:30px;background:#e7ecdf;font-size:12px;letter-spacing:1px}.lesson-page[data-v-5c51fafb] .activity-host{max-width:680px;padding:30px;border:1px solid #e2e6da;border-radius:28px;background:#fffdf7;box-shadow:0 16px 60px #264d3905}.lesson-page[data-v-5c51fafb] .primary-action{border-radius:18px;min-height:60px;font-size:1.1rem;box-shadow:none}.lesson-page[data-v-5c51fafb] .secondary-action{border-width:1px;border-color:#bccdb6;border-radius:16px}.lesson-page[data-v-5c51fafb] .option{border-width:2px;border-color:#a4b69c}.lesson-page[data-v-5c51fafb] h2{font-size:clamp(1.5rem,4vw,2rem)}.lesson-page[data-v-5c51fafb] .intro-picture{border-color:#9fb896;border-width:2px;background:#f0e6c9}.lesson-header[data-v-5c51fafb]{display:flex;align-items:center;gap:12px;min-height:64px}.pause-button[data-v-5c51fafb]{display:grid;width:56px;height:56px;place-items:center;border:1px solid #ced9c6;border-radius:18px;color:var(--navy);background:var(--white);font-size:1.4rem;font-weight:900}.progress-wrap[data-v-5c51fafb]{display:flex;flex:0 1 240px;align-items:center;gap:10px}.progress-dots[data-v-5c51fafb]{display:flex;flex:1;gap:7px}.progress-dots span[data-v-5c51fafb]{flex:1;height:12px;border-radius:8px;background:#163a5f26}.progress-dots span.done[data-v-5c51fafb]{background:var(--mint)}.progress-dots span.current[data-v-5c51fafb]{background:var(--yellow)}.progress-label[data-v-5c51fafb]{min-width:48px;font-weight:800;text-align:right}.activity-area[data-v-5c51fafb]{display:flex;flex:1;align-items:center;justify-content:center;width:100%;padding:16px 0 30px}.sync-hint[data-v-5c51fafb]{position:fixed;right:20px;bottom:max(20px,env(safe-area-inset-bottom));left:20px;margin:0;padding:12px 18px;border-radius:18px;color:var(--navy);background:var(--yellow);text-align:center;font-weight:800}.sync-retry[data-v-5c51fafb]{position:fixed;right:20px;bottom:max(78px,calc(env(safe-area-inset-bottom) + 58px));left:20px;min-height:56px;border:3px solid var(--navy);border-radius:18px;color:var(--navy);background:var(--white);font-weight:800}.status-card[data-v-5c51fafb]{display:grid;flex:1;place-items:center;gap:20px;padding:30px;text-align:center;font-size:1.25rem;font-weight:800}.status-card p[data-v-5c51fafb]{margin:0}.status-card .primary-action[data-v-5c51fafb]{width:100%}.pause-card[data-v-5c51fafb]{position:fixed;width:min(calc(100% - 40px),520px);margin:0 auto;right:20px;bottom:20px;left:20px;z-index:2;display:grid;gap:14px;text-align:center}.pause-card[data-v-5c51fafb]{max-height:calc(100vh - 40px);max-height:calc(100dvh - 40px);overflow-y:auto;overscroll-behavior:contain;overflow-wrap:anywhere}.pause-card h2[data-v-5c51fafb]{margin:0}.pause-card .primary-action[data-v-5c51fafb]{width:100%}.saved-reward[data-v-5c51fafb]{display:grid;width:min(100%,520px);gap:18px;text-align:center}.saved-reward p[data-v-5c51fafb]{margin:0;font-size:1.35rem;font-weight:800}.saved-reward .primary-action[data-v-5c51fafb]{width:100%}.sr-only[data-v-5c51fafb]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media(max-width:600px){.lesson-header[data-v-5c51fafb]{flex-wrap:wrap;gap:12px}.lesson-heading[data-v-5c51fafb]{max-width:calc(100% - 70px)}.progress-wrap[data-v-5c51fafb]{flex-basis:100%}.lesson-page[data-v-5c51fafb] .activity-host{padding:20px 12px;border-radius:22px}.activity-area[data-v-5c51fafb]{padding:0 0 22px}.lesson-page[data-v-5c51fafb] .options{gap:7px}.lesson-page[data-v-5c51fafb] .option{padding:6px}.lesson-page[data-v-5c51fafb] .english-scene{padding:10px}.pause-button[data-v-5c51fafb]{width:48px;height:48px}.lesson-heading h1[data-v-5c51fafb]{font-size:15px}}.subject-home[data-v-a6dded6c]{width:min(100%,800px);margin:0 auto;min-height:calc(100vh - 44px);padding:20px;border-radius:24px;color:#263b46;background:#fff8ec}.subject-home button[data-v-a6dded6c]{min-width:56px;min-height:56px;padding:16px 20px;border:2px solid #276B73;border-radius:20px;background:#276b73;color:#fff8ec;font-weight:800;cursor:pointer}.subject-home button[data-v-a6dded6c]:disabled{color:#263b46;background:#fff8ec;cursor:default}.subject-home button[data-v-a6dded6c]:focus-visible{outline:3px solid #B74C36;outline-offset:3px}.subject-choices[data-v-a6dded6c],.subject-lessons[data-v-a6dded6c]{display:grid;gap:16px;margin-block:24px}.subject-choices[data-v-a6dded6c]{grid-template-columns:repeat(auto-fit,minmax(112px,1fr))}.subject-lessons button[data-v-a6dded6c]{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.subject-home footer[data-v-a6dded6c]{margin-top:32px}:root{color:#163a5f;background:#fff8ef;font-family:Nunito,Avenir Next,system-ui,sans-serif;font-synthesis:none;--navy: #163a5f;--coral: #b74c36;--yellow: #ffd166;--mint: #a8e6cf;--cream: #fff8ef;--white: #fffdf8;--shadow: 0 8px 0 rgba(22, 58, 95, .1)}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{min-width:320px;background:var(--cream)}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.app-shell{min-height:100vh;padding:max(20px,env(safe-area-inset-top)) 20px max(24px,env(safe-area-inset-bottom))}.page{width:min(100%,720px);min-height:calc(100vh - 44px);margin:0 auto;display:flex;flex-direction:column}.primary-action{min-height:72px;border:0;border-radius:28px;padding:16px 28px;color:var(--white);background:var(--coral);box-shadow:var(--shadow);font-size:1.35rem;font-weight:800;cursor:pointer}.primary-action:active{transform:translateY(3px);box-shadow:0 5px #163a5f1a}.secondary-link{display:inline-flex;align-items:center;min-height:56px;color:var(--navy);background:transparent;border:0;text-decoration:underline;cursor:pointer}.feedback{min-height:28px;color:var(--navy);font-weight:700}.card{border-radius:32px;background:var(--white);box-shadow:var(--shadow);padding:24px}@media(min-width:700px){.app-shell{padding-inline:32px}}