:root{--bg:#f7f7fb;--surface:#fff;--surface-2:#f0eff8;--text:#17162b;--muted:#5d5b75;--line:#dddbea;--accent:#5b3fd9;--accent-2:#4a30c2;--accent-soft:#ece8ff;--ok:#16794a;--warn:#9a5b00;--err:#b42318;--code:#efedf8;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121120;--surface:#1b1a2e;--surface-2:#24223b;--text:#ecebf6;--muted:#a9a7c2;--line:#33314d;--accent:#9d8cff;--accent-2:#b4a7ff;--accent-soft:#2b2652;--ok:#4cc68a;--warn:#f2b45a;--err:#ff8a7a;--code:#26243d;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#121120;--surface:#1b1a2e;--surface-2:#24223b;--text:#ecebf6;--muted:#a9a7c2;--line:#33314d;--accent:#9d8cff;--accent-2:#b4a7ff;--accent-soft:#2b2652;--ok:#4cc68a;--warn:#f2b45a;--err:#ff8a7a;--code:#26243d;color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent)}a:hover{color:var(--accent-2)}
code{background:var(--code);padding:.1em .35em;border-radius:4px;font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-word}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.narrow{max-width:780px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--surface);padding:6px 10px;z-index:9}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.site-head{background:var(--surface);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;color:var(--accent);text-decoration:none;font-weight:700}
.brand span{color:var(--text)}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:8px;font-size:.95rem}
.nav a:hover,.nav a[aria-current]{color:var(--text);background:var(--surface-2)}
.hero{padding:28px 16px 12px}
.hero h1{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2;margin:0 0 8px;letter-spacing:-.01em}
.lede{color:var(--muted);font-size:1.08rem;margin:0;max-width:760px}
.updated{color:var(--muted);margin:0}
/* tool */
.tool{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;margin:12px 0 32px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.drop{border:2px dashed var(--line);border-radius:12px;padding:28px 16px;text-align:center;color:var(--accent);transition:.15s}
.drop.over{border-color:var(--accent);background:var(--accent-soft)}
.drop-title{font-size:1.25rem;font-weight:700;color:var(--text);margin:6px 0}
.drop-sub{margin:8px 0;color:var(--muted);display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap}
.drop-note{color:var(--muted);font-size:.9rem;margin:8px auto 0;max-width:560px}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:9px 14px;border-radius:9px;font:inherit;font-size:.95rem;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:hover{border-color:var(--accent)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] .btn-primary{color:#140f2e}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn-primary{color:#140f2e}}
.btn-primary:hover{background:var(--accent-2);color:#fff}
.btn-sm{padding:5px 10px;font-size:.85rem}
.btn-ghost{border-color:transparent;color:var(--muted)}
.rpa-status{margin:12px 0 0;font-size:.95rem}
.rpa-status:empty{display:none}
.rpa-status ul{margin:0;padding-left:18px}
.rpa-status.ok{color:var(--ok)}.rpa-status.warn{color:var(--warn)}.rpa-errs,.rpa-status.err{color:var(--err)}
.bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px}
.filters{display:flex;gap:6px;flex-wrap:wrap;flex:1}
.filters button{border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:999px;padding:5px 11px;font:inherit;font-size:.88rem;cursor:pointer}
.filters button span{color:var(--muted);margin-left:2px}
.filters button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.filters button[aria-pressed="true"] span{color:inherit;opacity:.85}
#rpa-search{flex:1 1 220px;min-width:0;padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text);font:inherit}
.bar-2{justify-content:flex-end}.count{margin-right:auto;color:var(--muted);font-size:.9rem}
.list{position:relative;height:420px;overflow:auto;border:1px solid var(--line);border-radius:10px;margin-top:8px;background:var(--bg)}
.list.grid{height:auto;max-height:560px}
.rpa-rows{position:absolute;top:0;left:0;right:0}
.rpa-row{display:flex;align-items:center;gap:8px;height:40px;padding:0 10px;border-bottom:1px solid var(--line);font-size:.92rem}
.rpa-row:hover{background:var(--surface-2)}
.rpa-check input{width:17px;height:17px}
.rpa-path{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.86rem}
.rpa-size{color:var(--muted);font-size:.82rem;width:68px;text-align:right}
.rpa-act{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:7px;padding:3px 9px;font:inherit;font-size:.8rem;cursor:pointer}
.rpa-act:hover{border-color:var(--accent)}
.rpa-act-ph{width:64px}
.rpa-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;padding:8px}
.rpa-thumb{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px;cursor:pointer;color:var(--text);font:inherit;font-size:.75rem;display:flex;flex-direction:column;gap:4px}
.rpa-thumb img{width:100%;aspect-ratio:4/3;object-fit:contain;background:repeating-conic-gradient(var(--surface-2) 0 25%,transparent 0 50%) 0 0/16px 16px;border-radius:4px}
.rpa-thumb span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rpa-more{color:var(--muted);font-size:.9rem;padding:0 8px}
.bar-export{justify-content:flex-end}
.method{margin-right:auto;color:var(--muted);font-size:.9rem;display:flex;gap:6px;align-items:center}
.method select{padding:6px 8px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-size:.9rem}
.progress{display:flex;gap:10px;align-items:center;margin-top:10px;font-size:.9rem;color:var(--muted)}
.progress .track{flex:1;height:8px;background:var(--surface-2);border-radius:99px;overflow:hidden}
#rpa-progress-bar{height:100%;width:0;background:var(--accent)}
.preview{border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);padding:0;width:min(920px,94vw);max-height:90vh}
.preview::backdrop{background:rgba(10,8,25,.6)}
.preview-head{display:flex;gap:8px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line)}
.preview-head p{flex:1;margin:0;font-family:ui-monospace,Menlo,monospace;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#rpa-preview-body{padding:12px;overflow:auto;max-height:calc(90vh - 60px);text-align:center}
#rpa-preview-body img,#rpa-preview-body video{max-width:100%;max-height:70vh}
#rpa-preview-body audio{width:100%}
#rpa-preview-body pre{text-align:left;white-space:pre-wrap;word-break:break-word;font-size:.85rem;margin:0}
.rpa-note{color:var(--muted);font-size:.85rem}
/* content */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start;padding-bottom:48px}
.toc{position:sticky;top:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:.9rem;order:2}
.toc-title{font-weight:700;margin:0 0 6px}
.toc ol{margin:0;padding-left:18px}.toc li{margin:4px 0}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{color:var(--accent)}
.prose{min-width:0}
.prose h2{font-size:1.45rem;line-height:1.3;margin:36px 0 10px;scroll-margin-top:16px}
.prose h3{font-size:1.12rem;margin:24px 0 6px;scroll-margin-top:16px}
.prose li{margin:6px 0}
.tldr{background:var(--accent-soft);border-left:4px solid var(--accent);padding:14px 16px;border-radius:0 10px 10px 0;font-size:1.02rem;margin-top:0}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.9rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.prose th{background:var(--surface-2)}
.table-note{color:var(--muted);font-size:.86rem}
.prose pre{background:var(--code);padding:12px 14px;border-radius:10px;overflow-x:auto;font-size:.88rem}
.prose pre code{background:none;padding:0}
.prose details{border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0;background:var(--surface)}
.prose summary{cursor:pointer;font-weight:600}
.prose details p{margin:8px 0 0}
.author{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px;margin:36px 0 0;background:var(--surface)}
.author img{border-radius:50%;flex:none}
.author p{margin:0}.author-name{font-weight:700}.author-role,.author-date{color:var(--muted);font-size:.9rem}
.site-foot{border-top:1px solid var(--line);background:var(--surface);padding:24px 0;color:var(--muted);font-size:.9rem}
.site-foot nav{display:flex;gap:16px;flex-wrap:wrap;margin:10px 0}
.site-foot a{color:var(--muted)}.copy{margin:0}
@media (max-width:860px){.content-grid{grid-template-columns:1fr;gap:0}.content-grid>.toc{display:none}}
@media (max-width:560px){.tool{padding:10px}.rpa-size{display:none}.rpa-row{gap:6px;padding:0 6px}.list{height:360px}.bar-export .btn{flex:1 1 auto;justify-content:center}.method{width:100%}}
.toc-mobile{display:none}
@media (max-width:860px){.prose .toc-mobile{display:block;position:static;margin:0 0 24px}}

.ads{margin-top:32px;margin-bottom:8px}.ad{margin:24px auto 0;text-align:center;max-width:100%;overflow:hidden}.ad-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}.ad-banner-slot{display:flex;justify-content:center;min-height:50px}.ad-native,.ad-native a{color:var(--text)}