*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","Segoe UI",sans-serif;background:#eef2f6;color:#243447;font-size:14px}
h3{font-size:15px;margin-bottom:12px;color:#1d3557}
label{font-size:12px;color:#5c6f86;display:block;margin:10px 0 4px}
input,select,textarea{padding:8px 10px;border:1px solid #cfd9e4;border-radius:7px;font-size:13px;font-family:inherit;background:#fff;outline:none}
input:focus,select:focus,textarea:focus{border-color:#2a9d8f;box-shadow:0 0 0 2px rgba(42,157,143,.13)}
.full{width:100%}
textarea{width:100%;font-family:Consolas,monospace;font-size:12.5px;line-height:1.55;resize:vertical}

/* 顶栏 */
.topbar{display:flex;align-items:center;justify-content:space-between;background:#102a3c;color:#e8f1f5;padding:10px 18px;flex-wrap:wrap;gap:8px}
.brand{font-weight:700;font-size:16px}.ver{font-size:11px;color:#8fb0c4;font-weight:400;margin-left:6px}
.top-right{display:flex;align-items:center;gap:8px;font-size:13px}
.who{color:#9fd3cb}
.sep{width:1px;height:20px;background:#33506a;margin:0 4px}

/* 标签页 */
.tabs{display:flex;background:#fff;border-bottom:1px solid #d9e1ea;padding:0 14px;gap:4px;overflow-x:auto}
.tab{border:0;background:none;padding:13px 16px;font-size:14px;color:#5c6f86;cursor:pointer;border-bottom:3px solid transparent;white-space:nowrap}
.tab.active{color:#2a9d8f;border-bottom-color:#2a9d8f;font-weight:700}
main{padding:18px;max-width:1500px;margin:0 auto}
.panel.hidden,.hidden{display:none!important}

/* 卡片/栅格 */
.card-box{background:#fff;border-radius:12px;padding:18px;margin-bottom:16px;box-shadow:0 1px 4px rgba(16,42,60,.06)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:30px}
@media(max-width:1000px){.two-col{grid-template-columns:1fr}}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border-radius:12px;padding:16px;text-align:center;box-shadow:0 1px 4px rgba(16,42,60,.06)}
.stat .n{font-size:26px;font-weight:700;color:#1d3557}.stat .l{font-size:12.5px;color:#7a8aa0;margin-top:4px}

/* 按钮 */
.btn{border:0;background:#2a9d8f;color:#fff;padding:8px 14px;border-radius:7px;cursor:pointer;font-size:13px;font-family:inherit;transition:.15s}
.btn:hover{background:#238378}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn.ghost{background:#e4ebf2;color:#41556e}.btn.ghost:hover{background:#d5dee8}
.btn.danger{background:#e05d5d}.btn.danger:hover{background:#c94b4b}
.ctrl-row{display:flex;align-items:center;gap:8px;margin:10px 0;flex-wrap:wrap}
.muted{color:#8a99ac;font-size:12.5px;line-height:1.7}

/* 图表 */
.chart{display:flex;align-items:flex-end;gap:14px;height:160px;padding:10px 6px 0}
.bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bar{width:70%;background:linear-gradient(180deg,#3fb8af,#2a9d8f);border-radius:6px 6px 0 0;min-height:2px;position:relative}
.bar span{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:12px;color:#1d3557;font-weight:600}
.bar-wrap small{margin-top:6px;color:#8a99ac}

/* 生成/工具行 */
.gen-row,.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.toolbar{padding-bottom:10px;border-bottom:1px dashed #dce3eb}

/* 表格 */
.table-wrap{overflow-x:auto;margin-top:8px}
table{border-collapse:collapse;width:100%;font-size:12.8px}
th,td{border-bottom:1px solid #e8edf3;padding:8px 9px;text-align:left;white-space:nowrap}
th{background:#f4f7fa;color:#51647c;font-weight:600;position:sticky;top:0}
tbody tr:hover{background:#f6faf9}
.tag{padding:2px 8px;border-radius:20px;font-size:11.5px}
.t-inactive{background:#eef2f7;color:#60748c}
.t-active{background:#e3f6f1;color:#1b8a76}
.t-expired{background:#f3eee7;color:#a07b3e}
.t-banned{background:#fdeaea;color:#c94b4b}
.cardno{font-family:Consolas,monospace;font-weight:600;letter-spacing:.5px}
.copy-mini{cursor:pointer;color:#2a9d8f;border:0;background:none;font-size:12px}
.rowbtn{border:0;background:#eef2f6;border-radius:5px;padding:3px 7px;font-size:12px;margin-right:4px;cursor:pointer}
.rowbtn:hover{background:#dfe7ee}
.rowbtn.del{color:#c94b4b}
.pager{display:flex;align-items:center;gap:10px;margin-top:12px;justify-content:flex-end}

/* 弹窗/toast */
.mask{position:fixed;inset:0;background:rgba(15,32,42,.45);display:flex;align-items:center;justify-content:center;z-index:50}
.modal{background:#fff;border-radius:12px;padding:22px;width:440px;max-width:92vw;max-height:86vh;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.toast{position:fixed;top:22px;left:50%;transform:translateX(-50%);background:#1d3557;color:#fff;padding:10px 22px;border-radius:8px;z-index:99;font-size:13.5px;box-shadow:0 6px 24px rgba(0,0,0,.25)}