:root{
  --primary:#1677ff; --primary-d:#0e5fd8; --bg:#f5f6f8; --side:#0f1b34;
  --side-hover:#1b2c4d; --side-active:#1677ff; --text:#1f2733; --muted:#8a9099;
  --line:#e8eaed; --ok:#16a34a; --warn:#d97706; --bad:#dc2626; --card:#fff;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--primary);text-decoration:none}
.app{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--side);color:#cdd6e8;flex:0 0 220px;display:flex;flex-direction:column}
.sidebar .brand{padding:18px 20px;font-size:17px;font-weight:700;color:#fff;border-bottom:1px solid #1c2c4d}
.sidebar .brand small{display:block;font-size:11px;color:#7e8aa3;font-weight:400;margin-top:2px}
.sidebar nav{flex:1;overflow:auto;padding:8px 0}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 20px;color:#cdd6e8;cursor:pointer;border-left:3px solid transparent}
.nav-item:hover{background:var(--side-hover)}
.nav-item.active{background:var(--side-hover);border-left-color:var(--side-active);color:#fff}
.nav-item .ico{width:18px;text-align:center;opacity:.85}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:5}
.topbar .title{font-size:16px;font-weight:600}
.topbar .user{display:flex;align-items:center;gap:12px;color:var(--muted)}
.topbar .user b{color:var(--text)}
.btn{border:1px solid var(--line);background:#fff;color:var(--text);padding:7px 14px;border-radius:6px;cursor:pointer;font-size:13px}
.btn:hover{border-color:#c9ced6}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.danger{background:#fff;border-color:var(--bad);color:var(--bad)}
.btn.danger:hover{background:#fff5f5}
.btn.sm{padding:4px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.content{padding:22px;overflow:auto;flex:1}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card .k{color:var(--muted);font-size:12px}
.card .v{font-size:26px;font-weight:700;margin-top:6px}
.card .v small{font-size:13px;color:var(--muted);font-weight:400}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.panel h3{margin:0 0 14px;font-size:15px}
.panel h3 .sub{font-size:12px;color:var(--muted);font-weight:400;margin-left:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:1024px){.grid2{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;background:#fafbfc;position:sticky;top:0}
tbody tr:hover{background:#f8fafd}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;background:#eef2f7;color:#475569}
.tag.ok{background:#e7f6ec;color:var(--ok)}
.tag.warn{background:#fdf0db;color:var(--warn)}
.tag.bad{background:#fdeaea;color:var(--bad)}
.tag.blue{background:#e7f0ff;color:var(--primary)}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.toolbar .grow{flex:1}
.input,.select{border:1px solid var(--line);border-radius:6px;padding:7px 10px;font-size:13px;background:#fff}
.input:focus,.select:focus{outline:none;border-color:var(--primary)}
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:50}
.modal{background:#fff;border-radius:12px;width:460px;max-width:92vw;max-height:88vh;overflow:auto;box-shadow:0 12px 40px rgba(0,0,0,.2)}
.modal .mh{padding:16px 20px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;display:flex;justify-content:space-between;align-items:center}
.modal .mb{padding:20px}
.modal .mf{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.form-row{margin-bottom:14px}
.form-row label{display:block;margin-bottom:6px;color:var(--muted);font-size:12px}
.form-row .input,.form-row .select{width:100%}
.x{cursor:pointer;color:var(--muted);font-size:20px;line-height:1}
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:#1f2733;color:#fff;padding:10px 18px;border-radius:8px;z-index:99;font-size:13px;opacity:0;transition:opacity .25s;pointer-events:none}
.toast.show{opacity:1}
.toast.err{background:var(--bad)}
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1b34,#1677ff)}
.login-box{background:#fff;border-radius:14px;padding:34px 38px;width:340px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-box h2{margin:0 0 4px;font-size:20px}
.login-box .sub{color:var(--muted);margin-bottom:22px;font-size:13px}
.login-box label{display:block;color:var(--muted);font-size:12px;margin:12px 0 6px}
.login-box input{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px}
.login-box .btn{width:100%;margin-top:20px;padding:11px;font-size:15px}
.tree-node{margin-left:14px}
.tree-node>.tn{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;margin:6px 0;background:#fff}
.tn .kind{font-size:11px;color:var(--muted)}
.tn .acts{margin-left:auto;display:flex;gap:6px}
.empty{color:var(--muted);text-align:center;padding:30px}
.chart-box{position:relative;height:280px}
.kpi-row{display:flex;gap:18px;align-items:center}
.kpi-gauge{width:120px;height:120px}
.section-title{font-size:15px;font-weight:600;margin:0 0 12px}

/* ===== 优秀榜管理模块补充样式 ===== */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}
.tab{border:none;background:transparent;color:var(--muted);padding:8px 14px;font-size:14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.chip{border:1px solid var(--line);background:#fff;color:var(--text);padding:5px 12px;border-radius:20px;cursor:pointer;font-size:12px}
.chip:hover{border-color:#c9ced6}
.chip.on{background:var(--primary);border-color:var(--primary);color:#fff}
.row{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.row label{color:var(--muted);font-size:12px;min-width:64px}
.row input,.row select{border:1px solid var(--line);border-radius:6px;padding:7px 10px;font-size:13px;background:#fff;min-width:200px}
.row input:focus,.row select:focus{outline:none;border-color:var(--primary)}
.sub{color:var(--muted);font-size:12px;margin-bottom:8px}
.muted{color:var(--muted);font-size:12px}
.btn.warn{background:#fff;border-color:var(--warn);color:var(--warn)}
.btn.warn:hover{background:#fff9f0}
.pill{display:inline-block;padding:1px 8px;border-radius:12px;font-size:11px;background:#eef2f7;color:#475569;margin-right:4px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;text-align:center}
.kpi .kv{font-size:24px;font-weight:700;line-height:1.2}
.kpi .kl{color:var(--muted);font-size:12px;margin-top:4px}
.podium{display:flex;justify-content:center;align-items:flex-end;gap:16px;margin:8px 0 20px;flex-wrap:wrap}
.pod{width:160px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center}
.pod .medal{font-size:30px}
.pod .pt{font-weight:600;margin:6px 0 2px;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pod .ps{color:var(--muted);font-size:12px}
.pod .psc{color:var(--warn);font-weight:700;margin-top:4px;font-size:16px}
.kv{width:100%;border-collapse:collapse}
.kv th{width:96px;text-align:left;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.kv td{padding:8px 10px;border-bottom:1px solid var(--line)}
.thumbs img{border:1px solid var(--line)}
.cmt{padding:4px 0;color:var(--text);font-size:13px;border-bottom:1px dashed var(--line)}