:root{--bg:#fff;--bg2:#f6f5f4;--fg:rgba(0,0,0,.95);--fg2:#615d59;--fg3:#a39e98;--line:rgba(0,0,0,.1);--accent:#0075de;--accent2:#005bab;--badge-bg:#f2f9ff;--badge-fg:#097fe8;--up:#1aae39;--down:#dd5b00;--r:4px;--shadow:rgba(0,0,0,.04) 0 4px 18px,rgba(0,0,0,.027) 0 2px 8px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 Inter,-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-variant-numeric:lining-nums tabular-nums}
.top{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:2}
.brand{font-weight:700;color:var(--fg);text-decoration:none;letter-spacing:-.25px}
.nav{display:flex;gap:12px;align-items:center}.nav a{color:var(--fg2);text-decoration:none;font-size:15px;font-weight:500}
.inline{display:inline}button.ghost{background:none;border:0;color:var(--fg2);font:500 15px Inter,system-ui;padding:0;cursor:pointer}
.page{max-width:720px;margin:0 auto;padding:8px 16px 48px}
section{margin:24px 0}
h1{font-size:26px;line-height:1.23;letter-spacing:-.625px;margin:4px 0 8px;font-weight:700}
h2{font-size:18px;margin:0 0 12px;font-weight:600;display:flex;align-items:center;gap:8px}
h3{font-size:14px;color:var(--fg2);font-weight:600;margin:16px 0 8px}
h4{font-size:13px;color:var(--fg2);font-weight:600;margin:12px 0 4px;letter-spacing:.125px}
p{margin:0 0 8px;overflow-wrap:anywhere}
.eyebrow{font-size:12px;font-weight:600;color:var(--fg3);letter-spacing:.125px}
.muted{color:var(--fg2)}.small{font-size:14px}.empty{color:var(--fg3);background:var(--bg2);padding:14px;border-radius:8px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;margin:16px auto;max-width:720px;box-shadow:var(--shadow)}.narrow{max-width:420px}
label{display:block;margin:12px 0 4px;font-weight:500;font-size:15px}
input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);font:inherit}input:focus{outline:2px solid #097fe8;outline-offset:1px}
button.primary{background:var(--accent);color:#fff;border:1px solid transparent;border-radius:var(--r);padding:10px 16px;font:600 15px Inter,system-ui;margin-top:16px;width:100%;cursor:pointer}button.primary:hover{background:var(--accent2)}
.error{color:var(--down)}
.badge,.pill{display:inline-block;background:var(--badge-bg);color:var(--badge-fg);border-radius:9999px;padding:4px 8px;font-size:12px;font-weight:600;letter-spacing:.125px}
.pill{background:var(--bg2);color:var(--fg2);margin:0 6px 6px 0}.pill b{color:var(--fg)}
.intro summary{cursor:pointer;color:var(--fg2);font-size:14px;font-weight:500}.intro p{margin-top:8px;padding:12px;background:var(--bg2);border-radius:8px;white-space:pre-wrap}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.kpi{border:1px solid var(--line);border-radius:8px;padding:12px}
.kpi-label{font-size:12px;color:var(--fg2);font-weight:600}.kpi-value{font-size:26px;font-weight:700;line-height:1.2;margin:4px 0}
.kpi-delta{font-size:13px;font-weight:600}.kpi-delta.up{color:var(--up)}.kpi-delta.down{color:var(--down)}.kpi-delta.na{color:var(--fg3)}
.chart-tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.chart-tabs button{flex:0 0 auto;background:var(--bg2);border:1px solid transparent;border-radius:9999px;padding:6px 12px;font:600 13px Inter,system-ui;color:var(--fg2);cursor:pointer}.chart-tabs button.on{background:var(--badge-bg);color:var(--badge-fg)}
.chart-wrap{position:relative;height:220px;border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:8px}
.week,.review{border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:10px 0;background:#fff}
.week header{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px}
.review summary{cursor:pointer;font-weight:600}
.links a{display:block;color:var(--accent);font-size:13px;text-decoration:none;overflow-wrap:anywhere}
.members{width:100%;border-collapse:collapse;font-size:14px}.members th{text-align:left;color:var(--fg2);font-weight:600;font-size:12px;padding:8px 6px;border-bottom:1px solid var(--line)}.members td{padding:10px 6px;border-bottom:1px solid var(--line)}.members a{color:var(--accent);text-decoration:none;font-weight:500}
.medians{margin:4px 0 12px}.crumbs a{color:var(--fg2);text-decoration:none;font-size:14px}
@media (min-width:720px){.kpis{grid-template-columns:repeat(4,1fr)}.chart-wrap{height:260px}}