:root{--bg:#0f1115;--card:#1a1d24;--accent:#ffd166;--ink:#f5f6f8;--muted:#9aa3b2;--line:#2a2f3a}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:560px;margin:0 auto;padding:32px 20px 80px;min-height:100vh;display:flex;flex-direction:column}
.view{flex:1;display:flex;flex-direction:column}
.hidden{display:none!important}
.kicker{color:var(--muted);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}
.headline{font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-bottom:20px}
.lede{font-size:17px;color:var(--muted);margin-bottom:32px}
.accent{color:var(--accent);font-weight:700}
.btn{display:block;width:100%;padding:16px 18px;border-radius:14px;border:0;font-size:17px;font-weight:700;cursor:pointer;text-align:center;text-decoration:none;transition:transform .08s ease}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:#1a1d24}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.hint{margin-top:20px;color:var(--muted);font-size:13px;text-align:center}
.progress{display:flex;gap:8px;margin-bottom:20px}
.dot{width:33%;height:6px;border-radius:3px;background:var(--line);flex:1;display:inline-block}
.dot.active{background:var(--accent)}
.q-num{color:var(--muted);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px}
.q{font-size:24px;font-weight:700;margin-bottom:20px;line-height:1.35}
#qInput{width:100%;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:16px;font-family:inherit;line-height:1.6;resize:vertical}
#qInput:focus{outline:0;border-color:var(--accent)}
.row{display:flex;gap:10px;margin-top:auto;padding-top:24px}
.row .btn{flex:1}
.spinner{width:36px;height:36px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;margin:auto;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.kw{font-size:56px;font-weight:800;color:var(--accent);letter-spacing:-.02em;line-height:1.05;margin-bottom:6px}
.title{font-size:20px;font-weight:600;margin-bottom:24px}
.card{background:var(--card);border-radius:16px;padding:22px 20px;margin-bottom:24px}
.card p{font-size:16px;margin-bottom:12px}
.card p:last-child{margin-bottom:0}
@media (max-width:380px){.headline{font-size:36px}.kw{font-size:48px}}

.sharecard-wrap{margin:20px 0 8px;display:flex;justify-content:center}
.card-preview{width:200px;border-radius:14px;box-shadow:0 10px 36px rgba(0,0,0,.45)}