:root { --bg:#0b1116; --panel:#111a21; --line:#24323c; --text:#d6e0e6; --muted:#7f929f; --accent:#46c2c9; --bad:#e5484d;
        --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
header { border-bottom: 1px solid var(--line); background: var(--panel); }
.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.logo img { width: 40px; height: 40px; }
.logo .w1 { font-family: var(--mono); font-weight: 700; letter-spacing: .12em; font-size: 18px; line-height: 1.05; display: block; }
.logo .w1 b { color: var(--accent); }
.logo small { font-family: var(--mono); color: var(--muted); letter-spacing: .32em; font-size: 10px; text-transform: uppercase; }
.btn { display: inline-block; background: var(--accent); color: #05221f; font-weight: 600; text-decoration: none;
       padding: 8px 14px; border-radius: 5px; white-space: nowrap; }
main { padding: 28px 0 48px; }
h1 { font-size: clamp(26px, 4vw, 36px); line-height: 1.2; margin: 6px 0 14px; }
h2 { font-size: 22px; margin: 36px 0 8px; border-top: 1px solid var(--line); padding-top: 24px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
.lead { font-size: 18px; color: #b9c6ce; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 8px 0; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
code { font-family: var(--mono); font-size: .9em; background: var(--panel); padding: 1px 5px; border-radius: 3px; }
details { border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; margin: 8px 0; background: var(--panel); }
summary { cursor: pointer; font-weight: 600; }
.cta { margin: 28px 0; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
       display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 18px 0 30px; }
/* ---- hotspot pages ---- */
.crumbs { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.crumbs a { color: var(--muted); }
.updated { font-size: 14px; color: var(--muted); }
.status { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
          padding: 3px 9px; border-radius: 99px; border: 1px solid currentColor; white-space: nowrap; }
.st-high { color: #ff6b6b; } .st-elevated { color: #f5a524; } .st-low { color: #46c98a; } .st-none { color: var(--muted); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin: 18px 0; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; }
.tile b { display: block; font-size: 26px; line-height: 1.2; font-family: var(--mono); }
.tile span { color: var(--muted); font-size: 13px; line-height: 1.35; display: block; }
.hsmap { height: 420px; border: 1px solid var(--line); border-radius: 8px; background: #1a1f24; margin: 10px 0 6px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 13px; color: var(--muted); align-items: center; }
.legend i { display: inline-block; width: 14px; height: 10px; margin-right: 4px; vertical-align: -1px; border-radius: 2px; }
.chart { width: 100%; height: auto; display: block; margin: 8px 0; }
.chart text { fill: var(--muted); font: 11px system-ui, sans-serif; }
.num { text-align: right; font-family: var(--mono); font-size: 14px; white-space: nowrap; }
.hslist td { vertical-align: middle; }
.hslist a.name { font-weight: 600; }
.spark { width: 120px; height: 28px; display: block; }
.note { font-size: 14px; color: var(--muted); }
.others { columns: 2 220px; padding-left: 18px; }
.toc { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 10px 14px; margin: 18px 0; }
.toc ul { columns: 2 220px; margin: 0; padding-left: 18px; }
@media (max-width: 560px) { .hide-sm { display: none; } .hsmap { height: 320px; } }