:root{--nav:#111827;--blue:#3B82F6;--blue-h:#2563EB;--bg:#F3F4F6;--card:#fff;--bd:#E5E7EB;--tx:#111827;--tx2:#374151}
*{box-sizing:border-box}
body{margin:0;font-family:Outfit,'Noto Sans TC',sans-serif;background:var(--bg);color:var(--tx);overflow-x:hidden}
header.nav{background:var(--nav);color:#fff;display:flex;gap:12px;align-items:center;padding:10px 16px;flex-wrap:wrap}
header.nav h1{font-size:16px;font-weight:500;margin:0;flex:1}
button,.btn{height:36px;padding:0 14px;border:1px solid var(--bd);background:var(--card);color:var(--tx);border-radius:6px;font:inherit;cursor:pointer}
button.primary{background:var(--blue);border-color:var(--blue);color:#fff}
button.primary:hover{background:var(--blue-h)}
button.danger{color:#b91c1c}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:8px;padding:16px}
.card h2{font-size:16px;font-weight:500;margin-top:0}
label{display:block;font-size:14px;color:var(--tx2);margin:8px 0 4px}
input,textarea{width:100%;padding:8px;border:1px solid var(--bd);border-radius:6px;font:inherit}
textarea{min-height:90px}
.drop{border:2px dashed var(--bd);padding:24px;text-align:center;border-radius:8px;color:var(--tx2)}
.drop.over{border-color:var(--blue)}
.editor{display:grid;grid-template-columns:260px 1fr;gap:16px}
.steps{list-style:none;margin:0;padding:0}
.steps li{display:flex;gap:6px;align-items:center;padding:8px;border:1px solid var(--bd);border-radius:6px;margin-bottom:6px;background:#fff;cursor:pointer}
.steps li.on{border-color:var(--blue)}
.steps li span.t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.steps li button{height:28px;padding:0 8px}
img.shot{max-width:100%;height:auto;border:1px solid var(--bd);border-radius:6px}
.notice{font-size:13px;color:var(--tx2);background:#fff7ed;border:1px solid #fed7aa;padding:8px;border-radius:6px}
.err{color:#b91c1c;font-size:14px}
.page{background:#fff;border:1px solid var(--bd);padding:24px;margin-bottom:16px}
@media(max-width:768px){.editor{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}