:root{color-scheme:dark;--bg:#1a1e27;--bg-panel:#21262f;--bg-elevated:#2a303b;--bg-input:#171b23;--bg-hover:#343b48;--border:#363d4b;--border-strong:#4a5364;--text:#eceef4;--text-dim:#a7aebd;--accent:#6ba6ff;--accent-soft:#2a3f5e;--accent-text:#d6e4ff;--ok:#5ad4ac;--ok-bg:#173226;--ok-border:#2a5343;--warn:#ecc05a;--warn-bg:#2f2819;--warn-border:#524628;--error:#ff8080;--error-bg:#351d20;--error-border:#5b3034;--info:#aecbff;--info-bg:#1d293b;--info-border:#33445f;--danger-text:#ffc2c2;--danger-bg:#44262a;--pk:#ecc05a;--fk:#6ba6ff;--uq:#c69dff;--overlay:#0a0d13b3;--shadow-node:0 6px 18px #0000004d;--shadow-node-selected:0 0 0 1px var(--accent), 0 6px 18px #0006;--shadow-modal:0 24px 60px #00000080;--node-header-from:#3a4356;--node-header-to:#2f3745;--node-comment:#a8b8d1;--row-hover:#323a49;--row-comment:#8a94a6;--edge:#7d8798;--toolbar-bg:#2a303beb;--minimap-mask:#14181f94;--minimap-node:#4a5364;--attribution:#5c6474;--code-text:#d3dcec;--ad-bg:#1e232b;--ad-label:#737c8c;--ad-ph-a:#22272f;--ad-ph-b:#262c35;color:var(--text);background:var(--bg);font-family:Inter,Noto Sans TC,Microsoft JhengHei,system-ui,sans-serif;font-size:14px}:root[data-theme=light]{color-scheme:light;--bg:#dfe4ed;--bg-panel:#eceff5;--bg-elevated:#f6f8fb;--bg-input:#e7ebf2;--bg-hover:#dee4ee;--border:#c8d0dd;--border-strong:#a6b1c2;--text:#141924;--text-dim:#515c6b;--accent:#2159d8;--accent-soft:#cbdcff;--accent-text:#16409f;--ok:#0c6a47;--ok-bg:#d6ecdf;--ok-border:#a3cfb9;--warn:#7a5500;--warn-bg:#f6eacd;--warn-border:#ddc793;--error:#ab2020;--error-bg:#f6dcdc;--error-border:#e3aeae;--info:#16409f;--info-bg:#d9e4fa;--info-border:#b1c7f2;--danger-text:#8f1111;--danger-bg:#f4d6d6;--pk:#98650a;--fk:#2159d8;--uq:#6b2fd6;--overlay:#141a2680;--shadow-node:0 4px 14px #18213324;--shadow-node-selected:0 0 0 1px var(--accent), 0 6px 18px #18213333;--shadow-modal:0 24px 60px #18213342;--node-header-from:#dbe3ef;--node-header-to:#cdd8e8;--node-comment:#3a5470;--row-hover:#e8edf5;--row-comment:#5b6779;--edge:#7986a0;--toolbar-bg:#f6f8fbf0;--minimap-mask:#c7d0dd9e;--minimap-node:#a6b1c2;--attribution:#8a93a3;--code-text:#232c3c;--ad-bg:#e6eaf2;--ad-label:#77808f;--ad-ph-a:#e0e5ee;--ad-ph-b:#d7dde8}*{box-sizing:border-box}html,body{height:100%;margin:0}astro-island{display:contents}body{color:var(--text);background:var(--bg)}button{font:inherit;color:var(--text);background:var(--bg-elevated);border:1px solid var(--border-strong);cursor:pointer;border-radius:6px;padding:5px 11px;transition:background .12s,border-color .12s,color .12s}button:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent)}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button.is-active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-text)}code,pre,textarea{font-family:JetBrains Mono,Cascadia Code,ui-monospace,Consolas,monospace}.site{flex-direction:column;min-height:100%;display:flex}.site__skip{position:absolute;left:-9999px}.site__skip:focus{z-index:200;background:var(--bg-elevated);border:1px solid var(--accent);border-radius:6px;padding:6px 10px;top:8px;left:8px}.site__header{z-index:30;border-bottom:1px solid var(--border);background:var(--bg-panel);flex-wrap:wrap;align-items:center;gap:6px 14px;padding:10px 20px;display:flex;position:sticky;top:0}.site__brand{letter-spacing:.2px;color:var(--text);align-items:center;gap:8px;font-size:16px;font-weight:700;text-decoration:none;display:inline-flex}.site__brand svg{flex-shrink:0}.site__nav{align-items:center;gap:12px;font-size:12.5px;display:flex}.site__nav a{color:var(--text-dim);text-decoration:none}.site__nav a:hover,.site__nav a[aria-current=page]{color:var(--text)}.site__actions{align-items:center;gap:6px;margin-left:auto;display:flex}.site__lang{min-width:44px;height:30px;color:var(--text);background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:6px;justify-content:center;align-items:center;padding:0 8px;font-size:12px;font-weight:600;text-decoration:none;display:inline-flex}.site__lang:hover{border-color:var(--accent);background:var(--bg-hover)}.site__theme{width:30px;height:30px;color:var(--text-dim);justify-content:center;align-items:center;padding:0;display:inline-flex}.site__theme:hover{color:var(--text)}.site__theme .icon-sun{display:none}:root[data-theme=dark] .site__theme .icon-sun{display:block}:root[data-theme=dark] .site__theme .icon-moon{display:none}.site__privacy{color:var(--ok);background:var(--ok-bg);border:1px solid var(--ok-border);border-radius:999px;align-items:center;gap:5px;padding:3px 9px;font-size:11.5px;display:inline-flex}.site__privacy svg{flex-shrink:0}.site__main{flex:1;min-height:0}.site__footer{z-index:30;border-top:1px solid var(--border);background:var(--bg-panel);margin-top:auto;position:sticky;bottom:0}.site__footer-inner{max-width:1100px;color:var(--text-dim);flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 14px;margin:0 auto;padding:14px 20px;font-size:12px;display:flex}.site__footer-nav{flex-wrap:wrap;gap:6px 14px;display:flex}.site__footer-inner a{color:var(--text-dim)}.site__footer-inner a:hover{color:var(--text)}.prose{max-width:760px;margin:0 auto;padding:28px 20px 48px;line-height:1.75}.prose h1{margin:0 0 8px;font-size:27px;line-height:1.25}.prose h2{margin:34px 0 10px;font-size:18px}.prose h3{margin:24px 0 8px;font-size:15px}.prose p,.prose li{color:var(--text-dim)}.prose strong{color:var(--text)}.prose a{color:var(--accent)}.prose__lede{margin:0 0 20px;font-size:15.5px}.prose ul,.prose ol{padding-left:22px}.prose code{color:var(--accent);background:var(--bg-elevated);border-radius:4px;padding:1px 5px;font-size:12.5px}.prose pre{color:var(--code-text);background:var(--bg-input);border:1px solid var(--border-strong);border-radius:8px;margin:0 0 16px;padding:12px;font-size:12px;line-height:1.55;overflow-x:auto}.prose pre code{color:inherit;background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;margin:0 0 16px;font-size:13px}.prose th,.prose td{text-align:left;border-bottom:1px solid var(--border);color:var(--text-dim);padding:7px 10px}.prose th{color:var(--text);font-weight:600}.home{padding:26px 20px 44px}.home h1{margin:0 0 4px;font-size:27px;line-height:1.25}.tool-section{margin:30px 0 0}.tool-section__title{color:var(--text-dim);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:14px;margin:0 0 14px;font-size:13px;font-weight:600;display:flex}.tool-section__title:after{content:"";background:var(--border);flex:1;height:1px}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px;margin:0 0 20px;padding:0;list-style:none;display:grid}.tool-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:6px;padding:14px 16px;text-decoration:none;display:flex}.tool-card:hover{border-color:var(--accent)}.tool-card__head{align-items:center;gap:8px;display:flex}.tool-card__icon{color:var(--accent);flex:none}.tool-card__name{color:var(--text);font-size:15px;font-weight:600}.tool-card__tagline{color:var(--text-dim);font-size:13px;line-height:1.6}.home__about{border-top:1px solid var(--border);margin:34px -20px 0;padding:26px 20px 0}.home__about h2:first-child{margin-top:0}.tool-page__intro{padding:22px 20px 14px}.tool-page__prose{max-width:none}.tool-page__intro h1{align-items:flex-start;gap:10px;margin:0 0 6px;font-size:24px;display:flex}.tool-page__icon{color:var(--accent);flex:none;margin-top:3px}.tool-page__intro p{color:var(--text-dim);margin:0;line-height:1.7}.tool-frame{border-top:1px solid var(--border);border-bottom:1px solid var(--border);height:min(100dvh - 110px,900px);min-height:460px}@media (width<=900px) and (height>=600px){.tool-frame{height:min(100dvh - 150px,760px);min-height:500px}}@media (height<=599px){.tool-frame{height:calc(100dvh - 120px);min-height:280px}}.ad{min-height:calc(var(--ad-min-h) + 24px);background:var(--ad-bg);border-top:1px solid var(--border);flex-direction:column;align-items:center;gap:4px;padding:10px 20px 14px;display:flex}.ad[data-state=empty]{display:none}.ad__label{width:100%;max-width:970px;color:var(--ad-label);letter-spacing:.1em;margin:0 auto;font-size:10px}.ad .adsbygoogle{width:100%;max-width:970px;min-height:var(--ad-min-h);display:block}.ad--inline{border-bottom:1px solid var(--border)}.ad--placeholder{text-align:center;border-top:1px dashed var(--border-strong);border-bottom:1px dashed var(--border-strong);background:repeating-linear-gradient(135deg, var(--ad-ph-a) 0 8px, var(--ad-ph-b) 8px 16px);justify-content:center;align-items:center;margin:0}@media (height<=560px){.ad--footer{display:none}}@media (width<=900px){.site__header{padding:10px 14px}.site__privacy{flex-basis:100%;order:5;justify-content:center}.home{padding:22px 14px 36px}.ad--footer{min-height:74px}.ad--footer .adsbygoogle{min-height:50px}}