:root{--bg:#f7f8fa;--card:#ffffff;--border:#e3e6ea;--primary:#06c755;--text:#1a1a1a;--muted:#6b7280}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Noto Sans TC,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:480px;margin:0 auto}.card,main{padding:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:16px}.card h2{margin:0 0 12px;font-size:16px}.row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.btn{width:100%;padding:14px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.5}.actions{display:flex;gap:8px}.actions .btn{flex:2 1}.actions .btn-secondary{flex:1 1}.btn-secondary{background:var(--card);color:var(--text);border:1px solid var(--border)}.nav{display:flex;gap:8px;margin-bottom:16px}.nav a{flex:1 1;text-align:center;padding:10px;background:var(--card);border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none;font-size:14px}.nav a[data-active=true]{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.app-nav,.brand{max-width:480px;margin:0 auto;padding:16px 16px 0}.brand{display:flex;align-items:center;gap:12px}.brand img{flex-shrink:0}.brand-text{display:flex;flex-direction:column;gap:2px;line-height:1.2}.brand-name{font-size:17px;font-weight:700;color:#012150}.brand-slogan{font-size:12px;font-weight:600;color:#fe7006;letter-spacing:.5px}.site-footer{max-width:480px;margin:0 auto;padding:24px 16px 32px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:12px;color:var(--muted);text-align:center}.site-footer a{color:#012150;font-weight:600;text-decoration:none}.site-footer a:hover{text-decoration:underline}.score-group{display:flex;gap:6px}.score-group button{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--bg);cursor:pointer}.score-group button[data-active=true]{background:var(--primary);color:#fff;border-color:var(--primary)}.field-stack{flex-direction:column;align-items:stretch;gap:8px}.segmented{display:flex;gap:6px}.segmented button{flex:1 1;min-width:0;height:40px;padding:0 4px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px;white-space:nowrap;cursor:pointer}.segmented button[data-active=true]{background:var(--primary);color:#fff;border-color:var(--primary)}.muted{color:var(--muted);font-size:13px}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{background:var(--card);border-radius:14px;padding:24px;width:100%;max-width:320px;text-align:center;box-shadow:0 12px 32px rgba(0,0,0,.18)}.modal-icon{width:56px;height:56px;margin:0 auto 12px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center}.modal h2{margin:0 0 6px;font-size:18px}.modal p{margin:0 0 20px}.skeleton{background:linear-gradient(90deg,#e8eaed 25%,#f2f4f6 37%,#e8eaed 63%);background-size:400% 100%;animation:skeleton-shimmer 1.4s ease infinite}@keyframes skeleton-shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:60vh}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}