*,:before,:after{box-sizing:border-box}:root{--fg:#1b1f24;--muted:#57606a;--bg:#f6f7f9;--card:#fff;--line:#d0d7de;--primary:#0b5cad;--ok:#1a7f37;--bad:#b42318;--warn-bg:#fff4e5;color:var(--fg);background:var(--bg);-webkit-text-size-adjust:100%;font-family:system-ui,-apple-system,Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif}html,body{background:var(--bg);margin:0;overflow-x:hidden}.page{overflow-wrap:anywhere;max-width:480px;margin:0 auto;padding:16px}h1{margin:0 0 12px;font-size:1.35rem}h2{margin:0 0 8px;font-size:1.1rem}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:14px}.card.error{border-color:var(--bad)}.consent-text{font-weight:600}.plain-list{margin:8px 0 0;padding-left:1.2em}.actions{flex-direction:column;gap:10px;margin:16px 0;display:flex}.actions.row{flex-flow:wrap}.actions.row .btn{flex:140px}.btn{border:1px solid var(--line);min-height:44px;color:var(--fg);cursor:pointer;background:#fff;border-radius:10px;padding:10px 14px;font-size:1rem}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.btn.small{min-height:36px;padding:6px 12px}.btn:disabled{opacity:.55;cursor:not-allowed}.choice{border:1px solid var(--line)}.choice legend{padding:0 4px;font-weight:600}.choice-row{gap:8px;display:flex}.choice-row.wrap{flex-wrap:wrap}.chip{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:999px;align-items:center;min-height:44px;padding:8px 14px;display:inline-flex}.chip input{opacity:0;width:1px;height:1px;position:absolute}.chip.selected{border-color:var(--primary);border-width:2px;font-weight:600}.chip:focus-within{outline:2px solid var(--primary);outline-offset:2px}.cam-header{justify-content:space-between;align-items:center;gap:8px;display:flex}.cam-header h1{margin:0}.viewport{aspect-ratio:3/4;background:#000;border-radius:12px;width:100%;margin-top:12px;position:relative;overflow:hidden}.video{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.guide{pointer-events:none;border:3px dashed #fff;border-radius:18px;position:absolute;box-shadow:0 0 0 9999px #00000059}.guide-tip{color:#fff;text-shadow:0 1px 2px #000;white-space:nowrap;font-size:.9rem;font-weight:700;position:absolute;top:6px;left:50%;transform:translate(-50%)}.viewport-msg{color:#fff;place-items:center;display:grid;position:absolute;inset:0}.path-status{margin-top:12px;font-size:.95rem}.note{color:var(--muted);font-size:.9rem}.hint{margin:10px 0;font-weight:600}.warn{background:var(--warn-bg);border-radius:8px;padding:8px}.stability{font-variant-numeric:tabular-nums;justify-content:space-between;display:flex}.metrics{border-collapse:collapse;table-layout:fixed;width:100%;margin:8px 0;font-size:.9rem}.metrics th,.metrics td{border-bottom:1px solid var(--line);text-align:left;padding:6px 4px}.metrics th[scope=row]{width:30%}.metrics .num{font-variant-numeric:tabular-nums}.metrics .ok{color:var(--ok);font-weight:600}.metrics .bad{color:var(--bad);font-weight:600}.roi-canvas{aspect-ratio:1;border:1px solid var(--line);background:#fff;border-radius:8px;width:100%;max-width:512px;height:auto;display:block}.kv{grid-template-columns:7em 1fr;gap:6px 10px;margin:12px 0;display:grid}.kv dt{color:var(--muted)}.kv dd{margin:0}