:root{--cream: #FBF3E4;--cream-deep: #F3E6CE;--paper: #FFFDF8;--potato: #E8C79A;--potato-dark: #D9B27C;--brown: #5C3A21;--brown-soft: #8A6A50;--caramel: #B97B45;--fries: #F2C14E;--ketchup: #D9534F;--green: #8FB573;--radius-lg: 24px;--radius-md: 18px;--radius-sm: 14px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}html,body{overflow-x:hidden}body{margin:0;min-width:320px;background-color:var(--cream);background-image:radial-gradient(rgba(92,58,33,.045) 1px,transparent 1px);background-size:16px 16px;color:var(--brown);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}#root{min-height:100vh}button{font-family:inherit}.app-shell{width:100%;max-width:430px;margin:0 auto;padding:22px 20px 40px;min-height:100vh}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:52px;padding:14px 18px;border-radius:var(--radius-sm);border:2px solid var(--brown);font-size:16px;font-weight:700;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background-color .15s ease;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.btn:active{transform:translateY(2px)}.btn-primary{background:var(--brown);color:var(--cream);box-shadow:0 4px #5c3a2138}.btn-primary:active{box-shadow:0 2px #5c3a2138}.btn-secondary{background:var(--paper);color:var(--brown);box-shadow:0 3px #5c3a2124}.btn-ghost{background:transparent;border-color:#5c3a2173;color:var(--brown-soft);min-height:46px}.home{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:10px}.eyebrow{display:inline-block;padding:5px 14px;border:1.5px dashed var(--brown-soft);border-radius:999px;font-size:11px;letter-spacing:.24em;color:var(--brown-soft);background:#fffdf899}.home-title{margin:18px 0 10px;font-size:clamp(26px,7.4vw,31px);line-height:1.32;font-weight:800;letter-spacing:.01em;text-wrap:balance}.home-sub{margin:0;font-size:15px;color:var(--brown-soft);line-height:1.7;max-width:320px}.home-art{width:216px;max-width:62vw;margin:18px 0 10px}.home-art svg{display:block;width:100%;height:auto;filter:drop-shadow(0 10px 14px rgba(92,58,33,.1))}.home-note{margin:8px 0 22px;padding:14px 16px;width:100%;background:var(--cream-deep);border:1.5px dashed rgba(92,58,33,.35);border-radius:var(--radius-md);font-size:14px;color:var(--brown-soft);line-height:1.75}.btn-start{max-width:320px}.home-foot{margin:20px 0 0;font-size:11.5px;color:#5c3a218c;letter-spacing:.02em}.quiz{padding-top:4px}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.back-btn{display:inline-flex;align-items:center;gap:4px;min-height:38px;padding:6px 12px 6px 8px;border:1.5px solid rgba(92,58,33,.35);background:#fffdf8b3;border-radius:999px;color:var(--brown-soft);font-size:13.5px;cursor:pointer;-webkit-tap-highlight-color:transparent}.back-btn:active{transform:translateY(1px)}.quiz-badge{display:inline-block;padding:5px 12px;border-radius:999px;background:var(--potato);border:1.5px solid var(--brown);font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brown);white-space:nowrap}.progress-head{display:flex;justify-content:space-between;align-items:baseline;margin:20px 2px 8px}.progress-count{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brown);font-variant-numeric:tabular-nums}.progress-label{font-size:12px;color:var(--brown-soft)}.progress-track{height:10px;border-radius:999px;border:1.5px solid var(--brown);background:#efe1c9;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--fries),var(--caramel));border-radius:999px;transition:width .35s ease}.question-text{margin:24px 0 18px;font-size:clamp(19px,5.1vw,22px);line-height:1.58;font-weight:800;letter-spacing:.01em}.options{display:grid;gap:11px}.option{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:15px 14px;background:var(--paper);border:1.5px solid rgba(92,58,33,.55);border-radius:16px;color:var(--brown);font-size:15.5px;line-height:1.55;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,transform .1s ease;-webkit-tap-highlight-color:transparent}.option:active{transform:scale(.99)}.option.selected{background:#f7e2bc;border-color:var(--brown);box-shadow:0 0 0 1.5px var(--brown) inset}.option-letter{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--brown);display:grid;place-items:center;font-size:12.5px;font-weight:800;margin-top:1px;background:var(--cream)}.option.selected .option-letter{background:var(--brown);color:var(--cream)}.quiz-hint{margin:20px 0 0;text-align:center;font-size:12.5px;color:#5c3a218c;min-height:20px;transition:color .2s ease}.quiz-hint.is-feedback{color:var(--caramel);font-weight:700}.computing{position:fixed;top:0;right:0;bottom:0;left:0;background:#fbf3e4f5;display:grid;place-items:center;z-index:50;padding:24px}.computing-card{text-align:center;max-width:320px}.computing-potato{width:150px;margin:0 auto 10px;animation:bob 1.6s ease-in-out infinite}.computing-potato svg{display:block;width:100%;height:auto}.computing-text{font-size:17px;font-weight:800;margin:0 0 6px}.computing-sub{font-size:12.5px;color:var(--brown-soft);margin:0}@keyframes bob{0%,to{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-8px) rotate(2deg)}}.result{padding-top:4px}.stage-enter{animation:fade-up .35s ease}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.result-top{text-align:center}.result-eyebrow{display:inline-block;padding:5px 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16px}.dim{margin-top:12px}.dim:first-of-type{margin-top:8px}.dim-head{display:flex;justify-content:space-between;font-size:13px;font-weight:700;margin-bottom:5px}.dim-score{color:var(--brown-soft);font-variant-numeric:tabular-nums}.dim-track{height:12px;background:#efe1c9;border:1.5px solid var(--brown);border-radius:999px;overflow:hidden}.dim-fill{height:100%;border-radius:999px;transition:width .5s ease}.dims-note{margin:10px 0 0;font-size:11.5px;color:#5c3a218c;line-height:1.6}.closing{margin:16px 0 0;padding:14px 16px;border:1.5px dashed rgba(92,58,33,.45);border-radius:var(--radius-md);text-align:center;font-size:14.5px;font-weight:700;color:var(--brown);background:#fffdf899}.result-actions{display:grid;gap:10px;margin-top:20px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--brown);color:var(--cream);padding:10px 18px;border-radius:999px;font-size:13px;box-shadow:0 6px 16px #5c3a2140;z-index:60;max-width:calc(100% - 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