:root{--bg:#f3f5f8;--paper:#fff;--ink:#18212d;--muted:#5b6778;--line:#dfe4ec;--accent:#1b5f9e;--accent-soft:#e6eef8;--caution:#b86a00;--caution-bg:#fff6e8;--caution-line:#f0d4a6;--warning:#b3261e;--warning-bg:#fdeeed;--warning-line:#efc2bf;--note:#1b5f9e;--note-bg:#eef4fb;--note-line:#c9dbef;--zh:#7a4b00;--zh-bg:#fff4df;--flash:#ffe9a8;--ok:#1f7a4d;--ok-bg:#e7f5ee;--bmk:#c2410c;--f-head:"Barlow Semi Condensed","Roboto Condensed","Arial Narrow",system-ui,sans-serif;--f-body:"Source Sans 3","Segoe UI",system-ui,sans-serif;--f-zh:"Noto Sans SC","Microsoft YaHei","PingFang SC",sans-serif;--f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#10151c;--paper:#161d27;--ink:#e3e8ef;--muted:#9aa6b6;--line:#2a3543;--accent:#7fb3ea;--accent-soft:#1c2b3d;--caution:#f0a846;--caution-bg:#2a2012;--caution-line:#5a4220;--warning:#f08a80;--warning-bg:#2d1716;--warning-line:#5c2c28;--note:#8cbcf0;--note-bg:#172333;--note-line:#2b4262;--zh:#f3c679;--zh-bg:#2b2413;--flash:#4a3d12;--ok:#6fd3a0;--ok-bg:#12281e;--bmk:#fb923c}}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#10151c;--paper:#161d27;--ink:#e3e8ef;--muted:#9aa6b6;--line:#2a3543;--accent:#7fb3ea;--accent-soft:#1c2b3d;--caution:#f0a846;--caution-bg:#2a2012;--caution-line:#5a4220;--warning:#f08a80;--warning-bg:#2d1716;--warning-line:#5c2c28;--note:#8cbcf0;--note-bg:#172333;--note-line:#2b4262;--zh:#f3c679;--zh-bg:#2b2413;--flash:#4a3d12;--ok:#6fd3a0;--ok-bg:#12281e;--bmk:#fb923c}*{box-sizing:border-box}[hidden]{display:none!important}html,body{background:var(--bg);color:var(--ink)}body{font:16px/1.55 var(--f-body);margin:0}img{max-width:100%}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}a{color:var(--accent)}.appbar{top:env(safe-area-inset-top,0px);z-index:20;background:var(--paper);border-bottom:1px solid var(--line);align-items:center;gap:6px;padding:10px 16px;display:flex;position:sticky}.logo{font:600 21px/1 var(--f-head);color:var(--ink);white-space:nowrap;align-items:center;gap:8px;margin-right:10px;text-decoration:none;display:flex}.logo svg{width:24px;height:24px;color:var(--accent)}.nav{scrollbar-width:none;flex:1;gap:2px;min-width:0;display:flex;overflow-x:auto}.nav a{color:var(--muted);white-space:nowrap;border-radius:8px;padding:7px 11px;font-size:15px;font-weight:600;text-decoration:none}.nav a:hover{background:var(--accent-soft);color:var(--ink)}.nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent)}.upbtn{background:var(--accent);color:var(--paper);white-space:nowrap;border-radius:8px;flex-shrink:0;align-items:center;gap:6px;padding:7px 12px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.upbtn:hover{filter:brightness(1.07)}.upbtn svg{width:16px;height:16px}.me{border:1px solid var(--line);background:var(--paper);cursor:pointer;width:34px;height:34px;color:var(--accent);border-radius:999px;flex-shrink:0;font-weight:700}.menu{z-index:40;background:var(--paper);border:1px solid var(--line);border-radius:12px;min-width:220px;padding:6px;position:absolute;top:52px;right:12px;box-shadow:0 12px 40px #0000002e}.menu .who{color:var(--muted);border-bottom:1px solid var(--line);word-break:break-all;margin-bottom:4px;padding:8px 10px;font-size:13px}.menu button,.menu a{text-align:left;cursor:pointer;width:100%;color:var(--ink);background:0 0;border:0;border-radius:8px;padding:8px 10px;font-size:15px;text-decoration:none;display:block}.menu button:hover,.menu a:hover{background:var(--accent-soft)}@media (max-width:640px){.logo span{display:none}.logo{margin-right:2px}.nav a{padding:7px;font-size:14px}.upbtn span{display:none}.upbtn{padding:7px 9px}.appbar{gap:4px;padding-inline:10px}}.page{max-width:1080px;margin:0 auto;padding:22px 16px 90px}.page.narrow{max-width:640px}h1.pt{font:600 30px/1.15 var(--f-head);text-wrap:balance;margin:6px 0}.lead{color:var(--muted);margin:0 0 20px}.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px}.muted{color:var(--muted)}.small{font-size:14px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.grow{flex:1}label.f{font:600 13px var(--f-body);letter-spacing:.04em;color:var(--muted);gap:5px;margin-bottom:12px;display:grid}.in{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--ink);font:16px var(--f-body);border-radius:9px;padding:10px 12px}.in:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}select.in{appearance:none;background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235b6778'/%3E%3C/svg%3E") no-repeat right 11px center;padding-right:30px}.btn{border:1px solid 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solid var(--line);border-radius:12px;padding:12px 14px}.tile.bad{border-color:#d9534f;box-shadow:inset 3px 0 #d9534f}.tile .tl{font:600 12px var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.tile .tv{font:600 17px/1.3 var(--f-head);overflow-wrap:anywhere;margin:4px 0 2px}pre.err{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.45 var(--f-mono,monospace);background:var(--bg);border-radius:8px;margin:0;padding:8px}.thumbs{flex-wrap:wrap;gap:8px;margin:6px 0 8px;display:flex}.thumb{border:1px solid var(--line);background:var(--bg);border-radius:8px;width:96px;height:72px;display:block;position:relative;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%;display:block}.thumb button{color:#fff;cursor:pointer;background:#0009;border:0;border-radius:999px;width:22px;height:22px;line-height:1;position:absolute;top:2px;right:2px}label.chk{cursor:pointer;align-items:flex-start;gap:8px;margin:10px 0;display:flex}label.chk input{margin-top:3px}.viewer{--side-w:300px}.vbar{top:env(safe-area-inset-top,0px);z-index:20;background:var(--paper);border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:10px 16px;display:flex;position:sticky}.vbar .back{border:1px solid var(--line);background:var(--paper);cursor:pointer;color:var(--accent);border-radius:8px;flex-shrink:0;padding:4px 10px;font-weight:600;text-decoration:none}.vbar h1{font:600 20px/1.1 var(--f-head);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;margin:0;overflow:hidden}.vbar h1 small{font:500 13px var(--f-mono);color:var(--muted);margin-left:8px}.menu-btn{border:1px solid var(--line);background:var(--paper);cursor:pointer;border-radius:6px;flex-shrink:0;padding:4px 10px;display:none}.seg{border:1px solid var(--line);border-radius:8px;flex-shrink:0;display:inline-flex;overflow:hidden}.seg button{cursor:pointer;color:var(--muted);background:0 0;border:0;padding:6px 12px;font-size:14px;font-weight:600}.seg button+button{border-left:1px solid var(--line)}.seg button:disabled{opacity:.4;cursor:default}.seg button[aria-pressed=true]{background:var(--accent);color:var(--paper)}.langs{flex-shrink:0;align-items:center;gap:8px;display:flex}.lsel{font:600 11px var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);align-items:center;gap:6px;display:inline-flex}.lsel select{font:600 14px var(--f-body);letter-spacing:0;text-transform:none;border:1px solid var(--line);background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235b6778'/%3E%3C/svg%3E") no-repeat right 9px center;max-width:130px;color:var(--ink);appearance:none;cursor:pointer;border-radius:8px;padding:5px 26px 5px 9px}.swap{border:1px solid var(--line);background:var(--paper);cursor:pointer;width:30px;height:30px;color:var(--accent);border-radius:999px;flex-shrink:0;padding:0;font-size:16px;line-height:1}.swap:hover{background:var(--accent-soft)}.help,.more{border:1px solid var(--line);background:var(--paper);cursor:pointer;width:30px;height:30px;color:var(--accent);font:600 15px var(--f-body);border-radius:999px;flex-shrink:0;padding:0}.help:hover,.more:hover{background:var(--accent-soft)}.zseg select{font:600 14px var(--f-body);color:var(--ink);cursor:pointer;font-variant-numeric:tabular-nums;background:0 0;border:0;padding:6px 4px}.zseg button{padding:6px 10px;font-size:16px;line-height:1}.modal{z-index:50;background:#0a10188c;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.sheet{background:var(--paper);width:min(480px,100%);max-height:calc(100vh - 32px);color:var(--ink);border-radius:14px;padding:22px 22px 18px;position:relative;overflow:auto;box-shadow:0 20px 60px #00000059}.sheet h2{font:600 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