body{font-family:system-ui,sans-serif;max-width:700px;margin:32px auto;padding:0 16px;line-height:1.6}
.tool{margin:16px 0}input[type=search]{width:100%;font:inherit;padding:10px}
.def{font-size:20px}.pron{color:#555}dt{font-weight:700}dd{margin:0 0 8px}
.ad{border:1px dashed #bbb;border-radius:8px;padding:12px;margin:20px 0;color:#666;font-size:13px;text-align:center}
button{font:inherit;padding:8px 14px;cursor:pointer}
table{border-collapse:collapse;font-size:14px;display:block;overflow-x:auto;margin:16px 0}
th,td{border:1px solid #ccc;padding:6px 8px;text-align:left;vertical-align:top;min-width:90px}
th{background:#f4f4f4}