:root{--ink: #0b1f33;--muted: #5a6b7a;--line: #c5ced6;--paper: #f2f5f8;--surface: #fff;--teal: #0e7c86;--danger: #b3261e}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{font-family:"Source Sans 3",PingFang SC,Noto Sans SC,sans-serif;background:var(--paper);color:var(--ink)}a{color:var(--teal);text-decoration:none}.wrap{max-width:960px;margin:0 auto;padding:16px}.top{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--line)}.brand{font-weight:700;color:var(--ink)}.nav a{margin-left:16px;color:var(--muted)}.nav a.router-link-active{color:var(--teal);font-weight:600}h1{font-size:1.6rem;margin:8px 0 16px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.card,.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px}.card:hover{border-color:var(--teal)}.muted{color:var(--muted);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 16px;border:0;border-radius:4px;background:var(--teal);color:#f4fbfc;font-weight:600;cursor:pointer}.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}.btn:disabled{opacity:.5}input,textarea,select{width:100%;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:4px;font:inherit;background:#fff}textarea{height:auto;min-height:120px;padding:12px}.row{display:flex;gap:8px;flex-wrap:wrap}.err{color:var(--danger);font-size:14px}.toast{margin:8px 0;color:var(--teal)}.play-layout{display:grid;grid-template-columns:1fr 280px;gap:12px}@media(max-width:800px){.play-layout{grid-template-columns:1fr}.nav a{margin-left:10px}}.canvas-box{background:#3a3f45;min-height:70vh;overflow:auto;text-align:center}.canvas-box canvas{max-width:100%}.mp-qr{display:block;width:220px;max-width:70%;margin:16px auto}.word-pop{position:fixed;z-index:20;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;width:260px;box-shadow:0 8px 24px #0b1f331f}