:root{color:#1f2933;background:#eef5f2;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,a{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.app-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#eef5f2eb,#ffffffc7),repeating-linear-gradient(90deg,rgba(31,41,51,.05) 0 1px,transparent 1px 36px),#eef5f2}.quiz-surface{width:min(100%,720px)}.landing-view,.question-view,.result-view,.admin-view,.state-panel{display:grid;gap:24px;padding:clamp(24px,5vw,48px);border:1px solid #1f2933;border-radius:8px;background:#fff;box-shadow:8px 8px #1f2933}.brand-lockup{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.brand-lockup img{width:120px;height:auto;border:1px solid #1f2933;border-radius:8px}.eyebrow{margin:0;color:#0f766e;font-size:.78rem;font-weight:800;letter-spacing:0}h1{margin:0;color:#1f2933;font-size:clamp(2rem,8vw,4.8rem);line-height:1.03;letter-spacing:0}.lead,.supporting{margin:0;color:#334155;font-size:1.08rem;line-height:1.7}.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0}.rule-grid div{min-width:0;border:1px solid #9ad3c5;border-radius:8px;padding:14px;background:#f0fbf7}.rule-grid dt{color:#0f766e;font-size:.85rem;font-weight:700}.rule-grid dd{margin:6px 0 0;font-size:1.1rem;font-weight:800}.primary-button,.secondary-button,.primary-link{min-height:48px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:12px 18px;text-align:center;text-decoration:none;font-weight:800}.primary-button,.primary-link{border:2px solid #1f2933;color:#fff;background:#1f2933}.secondary-button{border:2px solid #1f2933;color:#1f2933;background:#fff}.start-button{width:fit-content}.progress-block{display:grid;gap:8px}.progress-meta{display:flex;justify-content:space-between;font-weight:800}.progress-track{height:10px;overflow:hidden;border:1px solid #1f2933;border-radius:999px;background:#fff}.progress-value{display:block;height:100%;border-radius:inherit;background:#e36f3f;transition:width .16s ease}.question-card{display:grid;gap:18px}.question-card h1{font-size:clamp(1.5rem,5vw,2.4rem);line-height:1.25}.option-list{display:grid;gap:12px}.option-button{width:100%;min-height:58px;display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:center;border:2px solid #1f2933;border-radius:8px;padding:12px;color:#1f2933;background:#fff;text-align:left}.option-button:hover,.option-button.selected{background:#fff0b8}.option-key{width:32px;height:32px;display:inline-grid;place-items:center;border-radius:50%;color:#fff;background:#1f2933;font-weight:900}.inline-message{margin:0;color:#a33a1e;font-weight:700}.nav-row,.action-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.score{margin:0;font-size:clamp(3rem,12vw,6rem);line-height:1;font-weight:900;color:#e36f3f}.coupon-box{display:grid;gap:12px;border:2px dashed #1f2933;border-radius:8px;padding:18px;background:#f0fbf7}.coupon-box span{font-weight:700}.coupon-box strong{overflow-wrap:anywhere;font-size:clamp(1.6rem,6vw,2.6rem);letter-spacing:0}.admin-view h1{font-size:clamp(2rem,6vw,3.8rem)}.admin-header{display:grid;gap:12px}.field-block{display:grid;gap:8px;font-weight:800}.field-block input,.field-block textarea{width:100%;border:2px solid #1f2933;border-radius:8px;padding:12px;color:#1f2933;background:#fff;font:inherit}.field-block textarea{min-height:260px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.92rem;line-height:1.5}.success-message{color:#0f766e}.admin-panel{display:grid;gap:12px;border-top:1px solid #d1d5db;padding-top:18px}.admin-panel h2{margin:0;font-size:1.2rem}.admin-panel-heading{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}.admin-panel-heading span{font-weight:800;color:#0f766e}.error-list{display:grid;gap:8px;margin:0;padding-left:20px}.table-wrap{overflow-x:auto;border:1px solid #d1d5db;border-radius:8px}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{border-bottom:1px solid #e5e7eb;padding:10px;text-align:left;vertical-align:top}th{background:#f0fbf7;color:#0f766e}@media(max-width:560px){.app-shell{padding:14px}.landing-view,.question-view,.result-view,.admin-view,.state-panel{padding:22px;box-shadow:5px 5px #1f2933}.rule-grid{grid-template-columns:1fr}.primary-button,.secondary-button,.primary-link,.start-button{width:100%}}