*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:#f6f7fb;color:#111}
.wrap{max-width:980px;margin:0 auto;padding:24px}
.card{background:#fff;border:1px solid #eef0f4;border-radius:12px;padding:18px;box-shadow:0 10px 30px rgba(17,24,39,.06)}
.header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.title{font-size:18px;font-weight:700}
.tabs{display:flex;gap:10px}
.tab{border:1px solid #d9dfe8;background:#fff;border-radius:10px;padding:8px 12px;cursor:pointer;font-size:13px}
.tab.active{border-color:#1677ff;color:#1677ff}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:10px 0}
.label{font-size:13px;color:#333;min-width:84px}
.input{flex:1;min-width:240px;height:36px;border:1px solid #d9dfe8;border-radius:10px;padding:0 12px;outline:none}
.select{height:36px;border:1px solid #d9dfe8;border-radius:10px;padding:0 12px;outline:none;background:#fff}
.btn{height:36px;border:1px solid #1677ff;border-radius:10px;background:#1677ff;color:#fff;padding:0 14px;cursor:pointer}
.btn.secondary{border-color:#d9dfe8;background:#fff;color:#111}
.hint{font-size:12px;color:#666;line-height:18px}
.warn{font-size:12px;color:#c05621;line-height:18px}
.ok{font-size:12px;color:#2f855a;line-height:18px}
.result{margin-top:12px;padding:12px;border:1px solid #eef0f4;border-radius:10px;background:#fafafa;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:12px;white-space:pre-wrap;word-break:break-word}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px}
@media (max-width:820px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.grid{grid-template-columns:repeat(1,minmax(0,1fr))}}
.mn-input{height:36px;border:1px solid #d9dfe8;border-radius:10px;padding:0 12px;outline:none;width:100%}
.footer{margin-top:10px;font-size:12px;color:#888}