:root{color-scheme:light dark;--bg: #f9f9f7;--surface: #fcfcfb;--surface-2: #f1f0ea;--text: #0b0b0b;--text-2: #52514e;--muted: #898781;--line: rgba(11, 11, 11, .12);--grid: #e1e0d9;--accent: #2a78d6;--danger: #c23b3b;--ok: #1baf7a;--warn-bg: rgba(154, 119, 20, .14);--warn-fg: #8a6a0f;--hover: rgba(42, 120, 214, .1);--wash: rgba(42, 120, 214, .08);--shadow: rgba(11, 11, 11, .16);--mono: ui-monospace, "SF Mono", Menlo, monospace;--map-ctrl-invert: 0}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0d0d0d;--surface: #1a1a19;--surface-2: #242423;--text: #f2f1ec;--text-2: #c3c2b7;--muted: #898781;--line: rgba(255, 255, 255, .12);--grid: #2c2c2a;--accent: #3987e5;--danger: #e05c5c;--ok: #199e70;--warn-bg: #574a17;--warn-fg: #ffdd75;--hover: rgba(90, 140, 220, .16);--wash: rgba(90, 140, 220, .12);--shadow: rgba(0, 0, 0, .45);--map-ctrl-invert: 1}}:root[data-theme=dark]{color-scheme:dark;--bg: #0d0d0d;--surface: #1a1a19;--surface-2: #242423;--text: #f2f1ec;--text-2: #c3c2b7;--muted: #898781;--line: rgba(255, 255, 255, .12);--grid: #2c2c2a;--accent: #3987e5;--danger: #e05c5c;--ok: #199e70;--warn-bg: #574a17;--warn-fg: #ffdd75;--hover: rgba(90, 140, 220, .16);--wash: rgba(90, 140, 220, .12);--shadow: rgba(0, 0, 0, .45);--map-ctrl-invert: 1}:root[data-theme=light]{color-scheme:light}.brand{position:relative}.brand>button{background:none;border:none;padding:0;font:inherit;color:inherit;letter-spacing:inherit;cursor:pointer}.brand .accent{color:var(--accent);font-weight:400}.brand-caret{display:inline-block;margin-left:5px;font-size:.85em;color:var(--muted);transition:transform .15s ease;vertical-align:2px}.brand>button[aria-expanded=true] .brand-caret{transform:rotate(180deg)}.site-menu{position:absolute;top:calc(100% + 6px);left:0;z-index:40;display:flex;flex-direction:column;min-width:230px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 24px var(--shadow);font-size:.85rem;font-weight:400;letter-spacing:normal}.site-option{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:7px 10px;border-radius:7px;color:var(--text);text-decoration:none}.site-option:hover{background:var(--hover);text-decoration:none}.site-option.active{background:var(--wash)}.site-option strong{font-weight:600}.site-option .site-desc{color:var(--muted);font-size:.78em;white-space:nowrap}.fr-head{display:flex;align-items:baseline;gap:14px;min-height:48px;box-sizing:border-box}.fr-head:before{content:"​";font-size:17px;line-height:48px;margin-right:-14px}.fr-head .fr-account,.fr-head .fr-spacer{align-self:center}.fr-head nav{display:flex;gap:14px}.fr-head nav a{color:var(--muted);text-decoration:none;font-size:14px}.fr-head nav a:hover{color:var(--text)}.fr-head nav a.on{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:7px}.fr-head .brand,.fr-head>h1{font-size:17px;font-weight:700;line-height:1.2;margin:0;letter-spacing:.01em}.fr-head-bar{padding:0 16px;border-bottom:1px solid var(--line)}.fr-head-page{margin-bottom:14px}.fr-spacer{flex:1}body{margin:0}.fr-page{box-sizing:content-box;max-width:var(--fr-page-width, 46rem);margin:0 auto;padding:0 16px 64px}.maplibregl-map .maplibregl-ctrl-group{background:var(--surface);border:1px solid var(--line);box-shadow:0 1px 4px var(--shadow)}.maplibregl-map .maplibregl-ctrl-group button{background:none}.maplibregl-map .maplibregl-ctrl-group button+button{border-top:1px solid var(--line)}.maplibregl-map .maplibregl-ctrl button .maplibregl-ctrl-icon{filter:invert(var(--map-ctrl-invert, 0))}.maplibregl-map .maplibregl-ctrl-attrib{background:color-mix(in srgb,var(--surface) 82%,transparent);color:var(--muted)}.maplibregl-map .maplibregl-ctrl-attrib a{color:var(--text-2, var(--text))}.maplibregl-map .maplibregl-ctrl-attrib-button{filter:invert(var(--map-ctrl-invert, 0))}.fr-account{display:inline-flex;align-items:center;position:relative;flex:none}.fr-signin{padding:4px 12px;border:1px solid var(--line, var(--border, rgba(128, 148, 179, .4)));border-radius:999px;background:none;color:var(--accent, #2a78d6);font:inherit;font-size:.85em;cursor:pointer;white-space:nowrap}.fr-signin:hover{border-color:var(--accent, #2a78d6)}.fr-avatar{width:28px;height:28px;padding:0;border:1px solid var(--line, var(--border, rgba(128, 148, 179, .4)));border-radius:50%;background:var(--accent, #2a78d6);color:#fff;font:inherit;font-size:13px;font-weight:600;line-height:1;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden}.fr-avatar img{width:100%;height:100%;object-fit:cover}.fr-avatar.anon{background:var(--surface-2, rgba(128, 140, 160, .25));color:var(--muted, #8595b3)}.fr-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:39}.fr-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:40;min-width:200px;display:flex;flex-direction:column;padding:6px;border:1px solid var(--line, var(--border, rgba(128, 148, 179, .4)));border-radius:10px;background:var(--panel, var(--surface, var(--bg, #16203a)));box-shadow:0 8px 28px #00000059;font-size:.9em}.fr-menu-id{display:flex;flex-direction:column;gap:1px;padding:7px 9px 9px;border-bottom:1px solid var(--line, var(--border, rgba(128, 148, 179, .25)));margin-bottom:4px}.fr-menu-id strong{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fr-menu-id span{color:var(--dim, var(--muted, var(--ink-muted, #8595b3)));font-size:.85em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fr-menu>a,.fr-menu>button{display:block;width:100%;padding:6px 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#8595b3)));font-size:.85em;white-space:nowrap}.fr-menu-lang>select{max-width:150px;padding:2px 6px;border:1px solid var(--line, var(--border, rgba(128, 148, 179, .4)));border-radius:999px;background:none;color:inherit;font:inherit;font-size:.8em;cursor:pointer}.fr-menu-lang>select>option{background:var(--panel, var(--bg, #fff));color:var(--text, var(--ink, #1c2733))}.fr-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#0000008c}.fr-modal{width:min(360px,92vw);max-height:84vh;overflow-y:auto;padding:18px 20px;border:1px solid var(--line, var(--border, rgba(128, 148, 179, .4)));border-radius:10px;background:var(--panel, var(--surface, var(--bg, #16203a)));color:var(--text, var(--ink, #e8eefc))}.fr-modal h2{margin:0 0 12px;font-size:1.05em;font-weight:600}.fr-modal form{display:flex;flex-direction:column;gap:10px}.fr-modal 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b{color:var(--ink)}.post-list{list-style:none;padding:0;display:grid;gap:34px}.post-list h2{font-size:1.35rem;line-height:1.3;margin:2px 0 6px}.post-list h2 a{color:var(--ink);text-decoration:none}.post-list h2 a:hover{color:var(--accent)}.post-list .summary{color:var(--ink-2);font-size:.95rem;margin-bottom:6px}.tags{display:inline-flex;gap:6px;flex-wrap:wrap}.tag{color:var(--ink-muted);text-decoration:none;font-size:.78rem;border:1px solid var(--border);border-radius:999px;padding:1px 10px}.tag:hover{color:var(--accent);border-color:var(--accent)}article h1{font-size:2rem;line-height:1.2;margin:6px 0 10px;letter-spacing:-.01em}article>.tags{margin-bottom:8px}.post-nav{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:16px;border-top:1px solid var(--grid);font-size:.9rem}.post-nav a{color:var(--accent);text-decoration:none}.prose{margin-top:22px}.prose>*+*{margin-top:16px}.prose h2{font-size:1.35rem;margin-top:36px;letter-spacing:-.01em}.prose h3{font-size:1.1rem;margin-top:28px}.prose h4{font-size:1rem;margin-top:22px}.prose a{color:var(--accent)}.prose ul,.prose ol{padding-left:26px}.prose li{margin:6px 0}.prose li>ul,.prose li>ol{margin-top:6px}.prose blockquote{border-left:3px solid var(--accent);padding:2px 0 2px 16px;color:var(--ink-2)}.prose img{max-width:100%;height:auto;border-radius:10px}.prose hr{border:none;border-top:1px solid var(--grid);margin:32px auto;width:40%}.prose code{font:.85em/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:color-mix(in srgb,var(--ink) 6%,transparent);border-radius:5px;padding:1px 5px}.prose pre{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto}.prose pre code{background:none;padding:0;font-size:.82em}.prose table{border-collapse:collapse;width:100%;font-size:.9rem;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--grid)}.prose th{color:var(--ink-muted);font-weight:500;font-size:.8rem}@media(max-width:480px){body{font-size:16px}article h1{font-size:1.6rem}}.brand>button span{color:var(--accent);font-weight:400}