:root{
  --bg:#f4f6fb; --card:#fff; --ink:#1d2433; --muted:#6b7690;
  --line:#e3e8f2; --pri:#2f6bff; --pri2:#1e4fd0;
  --red:#e0443c; --green:#1ea66b; --amber:#f0a528;
  --hit:#2f6bff; --shadow:0 6px 20px rgba(31,45,80,.08);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font:15px/1.6 "PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}
.wrap{max-width:1400px;margin:0 auto;padding:0 18px}
.center{text-align:center}
.muted{color:var(--muted)}
.mono{font-family:Consolas,"JetBrains Mono",monospace;font-variant-numeric:tabular-nums}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:14px;height:60px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--pri),#7aa2ff);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800}
.brand .bt{display:flex;flex-direction:column;line-height:1.15;font-size:16px}
.brand .sub{font-size:11px;color:var(--muted);font-weight:400}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;
  font-size:18px;padding:4px 10px;cursor:pointer;margin-left:auto}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{padding:7px 13px;border-radius:9px;color:#4a5468;font-weight:500;white-space:nowrap}
.nav a:hover{background:#eef2fb;color:var(--pri)}
.nav a.on{background:var(--pri);color:#fff}
.nav .who{padding:0 8px;color:var(--muted);font-size:13px}
.nav .who i{font-style:normal;color:var(--pri);font-weight:600}

.main{padding:22px 18px 40px;min-height:60vh}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);margin-bottom:18px}
.card h1,.card h2{margin:0 0 6px;font-size:20px}
.card h1{font-size:23px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.spread{justify-content:space-between}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}

/* 按钮 / 表单 */
.btn,.btn.sec{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 16px;border-radius:10px;border:1px solid var(--pri);cursor:pointer;
  background:var(--pri);color:#fff;font-size:14px;font-weight:600;line-height:1;
  transition:transform .12s ease,box-shadow .12s ease,background .15s}
.btn:hover{background:var(--pri2);transform:translateY(-1px);box-shadow:0 4px 12px rgba(47,107,255,.3)}
.btn.sec{background:#fff;color:var(--pri)}
.btn.sec:hover{background:#eef2fb}
.btn.danger{background:var(--red);border-color:var(--red)}
.btn.danger:hover{background:#c73a33}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
input[type=text],input[type=password],input[type=number],select{
  padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;
  font-size:14px;color:var(--ink);min-width:0;max-width:100%}
input:focus,select:focus{outline:2px solid rgba(47,107,255,.25);border-color:var(--pri)}
label.f{display:block;margin-bottom:5px;font-weight:600;font-size:14px;color:#3b4257}
label.f>span{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-bottom:4px}

/* KPI */
.kpi{background:linear-gradient(180deg,#fff,#f9fbff);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.kpi b{display:block;font-size:26px;line-height:1.2;margin-top:2px}
.kpi span{color:var(--muted);font-size:13px}

/* 标签 */
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  background:#eef2fb;color:#3b528f;font-weight:600;white-space:nowrap}
.tag.hit{background:#e3f8ee;color:#147a4d}
.tag.warn{background:#fff3e0;color:#a06412}
.tag.off{background:#fbe9e8;color:#a8362f}
.tag.mut{background:#eef1f6;color:var(--muted)}

/* 表格 */
.tbl-wrap{overflow:auto;border-radius:12px;border:1px solid var(--line);background:#fff}
.tbl{border-collapse:separate;border-spacing:0;width:100%;font-size:14px}
.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid #eef1f6;text-align:center;white-space:nowrap}
.tbl thead th{position:sticky;top:0;z-index:2;background:#f3f6fd;color:#39415a;font-weight:700;
  border-bottom:1px solid var(--line);font-size:13px}
.tbl tbody tr:nth-child(even){background:#fafbfe}
.tbl tbody tr:hover{background:#f0f5ff}
.tbl td.l,.tbl th.l{text-align:left}
.tbl .num{font-family:Consolas,monospace;font-variant-numeric:tabular-nums}
.sortable thead th{cursor:pointer;user-select:none}
.sortable thead th:hover{background:#e6eeff}
.sortable thead th.asc:after{content:" ↑";color:var(--pri)}
.sortable thead th.desc:after{content:" ↓";color:var(--pri)}

/* 走势图 */
.chart-scroll{overflow:auto;max-height:72vh;border:1px solid var(--line);
  border-radius:12px;background:#fff;position:relative}
.chart-scroll::-webkit-scrollbar{height:11px;width:11px}
.chart-scroll::-webkit-scrollbar-thumb{background:#c7d2e8;border-radius:8px}
.chart-scroll::-webkit-scrollbar-track{background:#f1f4fa}
table.trend{border-collapse:separate;border-spacing:0;font-size:12px;
  font-family:Consolas,"JetBrains Mono",monospace;font-variant-numeric:tabular-nums}
.trendWrap{position:relative;display:inline-block;min-width:100%}
.trendWrap .lnLayer{position:absolute;left:0;top:0;z-index:0;pointer-events:none}
table.trend th,table.trend td{padding:0;border-bottom:1px solid #edf0f6;
  border-right:1px solid #f2f5fa;height:29px;line-height:29px;text-align:center;white-space:nowrap}
table.trend thead th{position:sticky;top:0;z-index:6;background:#f2f6ff;color:#39415a;font-weight:700;
  height:34px;line-height:34px;border-bottom:1px solid var(--line)}
table.trend tr.grp th{top:34px;z-index:6;background:#e8efff;color:#2a4c9a;font-size:12px;height:28px;line-height:28px}
table.trend th.meta{left:0;z-index:8;background:#f7f9ff;color:#39415a;font-weight:700;
  position:sticky;border-right:1px solid var(--line)}
table.trend thead th.meta{z-index:9}
table.trend td.meta{position:sticky;left:0;z-index:4;background:#f7f9ff;color:#4a5468;
  padding:0 8px;border-right:1px solid var(--line);font-size:11px;text-align:left;white-space:nowrap}
table.trend td.g{width:30px;min-width:30px;color:#c0c7d6;font-size:11px}
table.trend td.g:hover{background:#eef2fb}
table.trend td.hit{color:#fff;font-weight:800;
  background:linear-gradient(135deg,var(--pri),#5d86ff);border-radius:0;position:relative;z-index:1}
table.trend td.hit.big{background:linear-gradient(135deg,var(--red),#ff6b62)}
table.trend td.hit.amb{background:linear-gradient(135deg,var(--amber),#ffc15e)}
table.trend td.hot{background:#fff6e8;color:#9a6a12;font-weight:600}
table.trend td.cold{color:#b6bdd0}
table.trend tbody tr:hover td{background:#f0f5ff}
table.trend tbody tr:hover td.hit{filter:brightness(1.06)}
table.trend td.sumcell{background:#eef4ff;font-weight:800;color:#1f3d99}
table.trend td.shape{font-size:11px;color:#4a5468;padding:0 6px}
.legend{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px}
.sw{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:-2px;margin-right:5px}
.sw.b{background:linear-gradient(135deg,var(--pri),#5d86ff)}
.sw.r{background:linear-gradient(135deg,var(--red),#ff6b62)}
.sw.a{background:linear-gradient(135deg,var(--amber),#ffc15e)}

/* 柱状图 */
.bars{display:flex;align-items:flex-end;gap:3px;height:230px;padding:12px 8px 0;
  overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:
  linear-gradient(#fff,#fbfcff)}
.bar{flex:0 0 auto;width:22px;min-width:18px;display:flex;flex-direction:column;
  justify-content:flex-end;align-items:center;height:100%;cursor:default;position:relative}
.bar i{display:block;width:100%;border-radius:4px 4px 0 0;background:var(--pri);opacity:.85;
  transition:transform .15s}
.bar:hover i{transform:scaleX(1.18);opacity:1}
.bar em{font-style:normal;font-size:10px;color:var(--muted);margin-top:4px;
  font-family:Consolas,monospace}
.bar b{font-size:10px;color:#39415a;font-family:Consolas,monospace;margin-bottom:3px}
.bar.hot i{background:var(--red)}
.bar.cold i{background:#3fbf87}
.bar .tip{position:absolute;bottom:calc(100% + 4px);left:50%;transform:translateX(-50%);
  background:#1d2433;color:#fff;font-size:11px;padding:3px 7px;border-radius:6px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;z-index:5}
.bar:hover .tip{opacity:1}

/* 热力图 */
.heat{width:100%;border-collapse:separate;border-spacing:2px;font-size:11px;font-family:Consolas,monospace}
.heat td,.heat th{padding:0;height:24px;line-height:24px;text-align:center;border-radius:5px;white-space:nowrap}
.heat th{color:var(--muted);font-weight:600;font-size:11px;background:transparent}
.heat td.d{background:#2f6bff;color:#fff;font-weight:800;box-shadow:0 1px 3px rgba(47,107,255,.4)}
.heat td.m{color:#9aa3b8;background:#f4f6fb}
.heat td.m.mid{color:#7b8497;background:#e9eefb}
.heat td.m.hot{color:#a8362f;background:#fdecea;font-weight:700}
.heat td.hd{background:#eef2fb;color:#3b528f;font-weight:700;padding:0 8px;text-align:left}
.heat td.rate{font-weight:800;color:#1d2433;background:#f7f9ff;padding:0 8px}

/* 进度条（欲出指数） */
.meter{position:relative;height:18px;border-radius:9px;background:#eef1f6;overflow:hidden;min-width:110px}
.meter i{position:absolute;inset:0 auto 0 0;border-radius:9px;
  background:linear-gradient(90deg,#7aa2ff,var(--pri));display:block}
.meter b{position:absolute;inset:0;line-height:18px;text-align:center;font-size:11px;color:#2b3450}
.meter.top i{background:linear-gradient(90deg,#ff9a3c,var(--red))}

/* 提示条 */
.alert{padding:11px 14px;border-radius:11px;margin-bottom:14px;font-size:14px;border:1px solid}
.alert.ok{background:#e9f9f1;border-color:#b6e8cd;color:#116b46}
.alert.err{background:#fdecec;border-color:#f6c2be;color:#9c2c25}
.alert.info{background:#eaf1ff;border-color:#c3d6ff;color:#1f4bbd}
.disc{font-size:12px;color:var(--muted);margin:0}

.foot{border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;margin-top:20px}
.foot p{margin:0 0 6px;text-align:center}
.grid-note{font-size:13px;color:var(--muted);margin:4px 0 12px}

/* 登录/注册 */
.auth{max-width:410px;margin:40px auto}
.auth .card{padding:26px}
.auth h1{text-align:center;font-size:24px}
.auth .logo-lg{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,var(--pri),#7aa2ff);
  color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;margin:0 auto 12px}
.auth input{width:100%}
.auth .btn{width:100%;padding:11px}
.auth .alt{text-align:center;margin-top:14px;font-size:14px;color:var(--muted)}
.hint{font-size:13px;color:var(--muted);margin-top:6px}
.err-t{color:#c22f27;font-size:13px;margin-top:8px;min-height:18px}

/* 移动端 */
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;width:100%;flex-direction:column;align-items:stretch;padding-bottom:10px}
  body.nav-open .nav{display:flex}
  .nav a{padding:11px 12px;border-radius:8px}
  .nav .who{padding:8px 12px}
  .topbar .wrap{height:auto;padding-top:8px;padding-bottom:4px}
  .card{padding:15px;border-radius:12px}
  .main{padding:14px 10px 30px}
  .wrap{padding:0 12px}
  table.trend{font-size:11px}
  table.trend td.g{width:25px;min-width:25px}
  .kpi b{font-size:21px}
}
@media (max-width:520px){
  .row.spread{flex-direction:column;align-items:stretch}
  .bar{width:16px;min-width:14px}
}

/* 各位走势分段配色：百位红 / 十位蓝 / 个位绿 */
table.trend td.hit.s0{background:linear-gradient(135deg,#e0443c,#ff7168)}
table.trend td.hit.s1{background:linear-gradient(135deg,#2f6bff,#5d86ff)}
table.trend td.hit.s2{background:linear-gradient(135deg,#12a06a,#39c98f)}
/* 合计行 */
table.trend tr.foot-sum td{position:sticky;bottom:0;background:#f2f6ff;font-weight:800;
  color:#1f3d99;border-top:2px solid var(--pri);z-index:5;height:30px;line-height:30px}
table.trend tr.foot-sum td.meta{left:0;z-index:7;background:#e8efff}
table.trend tr.foot-sum td.g{color:#7b8497}

/* 下期分析页 */
.numcard{display:inline-flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;
  border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,#fff,#f9fbff);min-width:118px}
.numcard .n{font-size:30px;font-weight:800;letter-spacing:4px;font-family:Consolas,monospace;color:#1d2433}
.numcard .lab{font-size:12px;color:var(--muted)}
.numcard.top1{border-color:var(--amber);background:linear-gradient(180deg,#fffaf0,#fff4e0)}
.numcard.top1 .n{color:#a8620e}
.numcard .tag{margin-top:2px}
.copybar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:10px 0 4px}
.copied{color:var(--green);font-size:13px;opacity:0;transition:opacity .2s}
.copied.on{opacity:1}
textarea.pickout{width:100%;font-family:Consolas,monospace;font-size:13px;padding:10px;
  border:1px solid var(--line);border-radius:10px;background:#fbfcff}
.why th,.why td{font-size:13px;padding:7px 8px}
.reason-dim{color:#8a93a8}
input[type=range]{width:150px;vertical-align:middle}
.wval{font-family:Consolas,monospace;font-size:12px;color:var(--pri);min-width:34px;display:inline-block}

/* 走势表固定列：宽度与 left 偏移严格对齐，横向滚动不再互相覆盖 */
table.trend th.meta.col-issue,table.trend td.meta.col-issue{width:92px;min-width:92px;max-width:92px;left:0}
table.trend th.meta.col-num,table.trend td.meta.col-num{width:78px;min-width:78px;max-width:78px;left:92px}
table.trend td.meta.col-num{font-weight:700;color:#1d2433;font-size:12px;letter-spacing:1px}
table.trend th.meta.plain,table.trend td.meta.plain{position:static;left:auto;width:auto;min-width:0;max-width:none}
table.trend td.meta{overflow:hidden;text-overflow:ellipsis}

/* 用户管理：分组权限勾选 */
.permform{display:block}
.permdrop{border:1px solid var(--line);border-radius:10px;padding:6px 10px;margin-bottom:6px;background:#fbfcff}
.permdrop summary{cursor:pointer;font-size:13px;font-weight:600;color:#3b528f;outline:none}
.permgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:4px 10px;margin-top:8px}
.permgrid label{font-size:12.5px;font-weight:400;display:flex;align-items:center;gap:5px;color:#3b4257}
.permgrid input{accent-color:var(--pri)}
details[open].permdrop{background:#f5f8ff}

/* 升级中心：信息表 */
table.plain{width:100%;border-collapse:collapse;font-size:14px;margin:6px 0}
table.plain td{padding:6px 8px;border-bottom:1px solid #eef1f6;vertical-align:top}
table.plain td:first-child{color:#6b7690;width:96px;white-space:nowrap}
table.plain code{background:#f2f5fb;padding:1px 6px;border-radius:5px;font-size:12.5px}