:root{--brand:#0066ff;--ink:#14283f;--muted:#52677c;--line:#dce4ef;--canvas:#f6f8fa;--tint:#edf4ff;--danger:#a82332}*{box-sizing:border-box;touch-action:manipulation}body{margin:0;color:var(--ink);background:#fff;font:16px/1.65 -apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif}button,input{font:inherit}button,a,input:focus-visible{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--brand)}button{cursor:pointer;min-height:48px;border-radius:8px}button:disabled{opacity:.6;cursor:wait}button.primary{width:100%;border:1px solid var(--brand);background:var(--brand);color:white;font-weight:600;padding:12px 20px;margin-top:20px}.secondary{background:white;border:1px solid var(--line);padding:12px 18px;color:var(--ink)}.skip{position:fixed;left:12px;top:-80px;z-index:3;background:#fff;padding:12px}.skip:focus{top:12px}.shell{min-height:100vh;display:grid;grid-template-columns:minmax(300px,.85fr) minmax(450px,1.15fr)}.story{background:var(--brand);color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:48px clamp(28px,5vw,72px);gap:70px}.brand{display:flex;gap:12px;align-items:center;font-size:26px;font-weight:700;letter-spacing:-.5px}.brand small{display:block;font-size:9px;letter-spacing:1.8px;font-weight:400;margin-top:3px}.eyebrow{font-size:13px;margin:0 0 20px}.story h2{font-size:clamp(28px,3vw,42px);line-height:1.65;letter-spacing:-1px;text-wrap:balance;margin:0 0 24px}.story p{line-height:1.9}.story-list{padding-left:22px;font-size:14px;line-height:2.4;margin-top:28px}.fine{font-size:12px;margin:0}.main{padding:34px clamp(24px,5vw,76px) 52px;min-width:0}.main header{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;max-width:540px;margin:auto}.badge{color:#164ca1;background:var(--tint);border-radius:6px;padding:7px 10px}.scope{color:var(--muted)}.panel{max-width:440px;margin:52px auto 0}.steps{display:flex;gap:18px;list-style:none;margin:0 0 32px;padding:0;font-size:12px;color:var(--muted);flex-wrap:wrap}.steps .current{font-weight:700;color:var(--brand)}h1{font-size:29px;line-height:1.4;letter-spacing:-.6px;text-wrap:balance;margin:0 0 14px}#intro{font-size:14px;color:var(--muted);margin:0 0 26px}fieldset{border:0;padding:0;margin:0}legend{font-size:13px;font-weight:600;padding:0 0 10px}.choice{display:flex;gap:12px;border:1px solid var(--line);padding:13px 16px;margin:0 0 10px;border-radius:9px;align-items:center;cursor:pointer;min-height:66px}.choice:has(input:checked){background:var(--tint);border-color:var(--brand)}.choice input{accent-color:var(--brand);width:17px;height:17px;flex-shrink:0}.choice strong{font-size:14px;font-weight:600;display:block}.choice small{font-size:12px;color:var(--muted);display:block}form>label{font-size:14px;font-weight:600;display:block;margin:20px 0 9px}.input-row{display:flex;align-items:center;border:1px solid #9fafc1;border-radius:8px;overflow:visible;min-width:0}.input-row:focus-within{border-color:var(--brand)}.input-row input{border:0;background:transparent;width:100%;min-width:0;min-height:50px;padding:11px 13px;border-radius:8px}.reveal{background:white;border:0;color:var(--muted);font-size:13px;padding:8px 14px;flex-shrink:0}.help{font-size:12px;line-height:1.8;color:var(--muted);margin:9px 0 20px}.boundary{border-left:3px solid var(--brand);padding:3px 0 3px 16px;margin-top:32px;font-size:12px;line-height:1.9}.boundary p{margin:6px 0 0;color:var(--muted)}footer{border-top:1px solid var(--line);padding-top:20px;margin-top:28px;color:var(--muted);font-size:11px;line-height:1.9}#error{background:#fff3f3;border:1px solid #e6bcc2;color:var(--danger);padding:13px 15px;font-size:13px;margin:0 0 18px;border-radius:8px}#notice:not(:empty){padding:12px 14px;background:var(--tint);font-size:13px;margin-bottom:16px;border-radius:8px}.test-code{background:var(--tint);padding:16px;font-size:13px;border-radius:9px}.test-code small{display:block;color:var(--muted);margin-top:5px}#mfa-code{display:block;width:100%;padding:12px 14px;border:1px solid #9fafc1;border-radius:8px;font-size:22px;letter-spacing:7px}.complete-mark{height:48px;width:48px;display:grid;place-items:center;background:var(--tint);color:var(--brand);font-size:28px;border-radius:50%;margin:12px 0 18px}#complete h2{font-size:23px}#complete ul{padding-left:20px;font-size:14px;line-height:2}.restart{display:block;margin:20px 0;color:var(--brand);font-size:14px}.text-button{padding:8px 0;background:none;border:0;color:var(--muted);font-size:12px;min-height:44px;text-decoration:underline;margin-top:12px}[hidden]{display:none!important}@media(max-width:760px){.shell{display:block}.story{padding:22px 24px;gap:14px}.story>div:nth-child(2),.story>.fine{display:none}.brand{font-size:23px}.main{padding:24px 22px 42px}.panel{margin-top:34px}h1{font-size:26px}.steps{gap:13px;font-size:11px;margin-bottom:25px}.scope{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
/* Additional fields keep the accepted layout and touch-target scale. */
#delivery-code,#factor-secret{display:block;width:100%;min-height:50px;border:1px solid #9fafc1;border-radius:8px;padding:11px 13px;font:inherit}#delivery-code{letter-spacing:4px}#factor-secret{font-family:monospace;font-size:14px}#enrollment label{display:block;margin:16px 0 9px;font-weight:600;font-size:14px}#entry-help h2,#stopped h2{font-size:20px}#entry-help p,#stopped p{font-size:14px;color:var(--muted)}