:root{
 --ink:#17222b;--ink-2:#45535e;--muted:#5f6b75;--line:#dfe5ea;--bg:#f6f8f9;--card:#fff;
 --brand:#04af54;--brand-ink:#04783b;--accent:#ff8b00;--top:#132029;--top-2:#1d2d38;
 --note:#eef5fb;--note-b:#2f73b8;--tip:#ecf8f0;--tip-b:#04783b;--warn:#fff6e8;--warn-b:#c46a00;--imp:#fdeeee;--imp-b:#c0392b;
 --r:10px;--shadow:0 1px 2px rgba(16,32,41,.06),0 4px 14px rgba(16,32,41,.06);
 --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--brand-ink)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:100}.skip:focus{left:8px}
/* header */
.top{position:sticky;top:0;z-index:40;background:var(--top);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.top-in{max-width:1440px;margin:auto;display:flex;align-items:center;gap:16px;padding:10px 20px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;flex:none}
.brand img{height:18px;width:auto;display:block}
.brand-sub{font-size:13px;color:#b9c7d0;border-left:1px solid #3b4d59;padding-left:12px;white-space:nowrap}
.search{position:relative;flex:1;max-width:560px;margin-left:auto}
.search svg{position:absolute;left:12px;top:50%;width:18px;height:18px;transform:translateY(-50%);stroke:#8fa2ae;fill:none;stroke-width:2}
.search input{width:100%;height:42px;border-radius:21px;border:1px solid #33464f;background:var(--top-2);color:#fff;padding:0 16px 0 40px;font:inherit;font-size:15px}
.search input::placeholder{color:#94a6b1}
.search input:focus{background:#fff;color:var(--ink);border-color:#fff}
.suggest{position:absolute;top:48px;left:0;right:0;background:#fff;color:var(--ink);border-radius:var(--r);box-shadow:0 12px 32px rgba(0,0,0,.22);overflow:hidden;max-height:70vh;overflow-y:auto}
.suggest a{display:block;padding:10px 14px;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}
.suggest a:hover,.suggest a[aria-selected=true]{background:#eef7f1}
.suggest small,.results small{display:block;color:var(--muted);font-size:13px}
.lang{display:flex;background:var(--top-2);border-radius:20px;padding:3px;flex:none}
.lang a{color:#c9d5dc;text-decoration:none;font-size:14px;padding:6px 12px;border-radius:16px;min-height:32px;display:flex;align-items:center}
.lang a[aria-current]{background:var(--brand);color:#fff;font-weight:600}
.menu-btn{display:none;align-items:center;gap:6px;background:none;border:1px solid #3b4d59;color:#fff;border-radius:8px;height:40px;padding:0 10px;font:inherit;font-size:14px;cursor:pointer}
.menu-btn svg{width:20px;height:20px;stroke:#fff;stroke-width:2;fill:none}
/* layout */
.layout{max-width:1440px;margin:auto;display:grid;grid-template-columns:290px minmax(0,1fr);gap:0}
.layout.wide{display:block;max-width:1180px}
main{padding:24px 40px 64px;min-width:0}
.side{border-right:1px solid var(--line);background:#fff}
.side-in{position:sticky;top:64px;max-height:calc(100vh - 64px);overflow-y:auto;padding:18px 14px 40px}
.role-tabs{display:flex;gap:4px;margin-bottom:14px;flex-wrap:wrap}
.role-tab{font-size:13px;text-decoration:none;color:var(--ink-2);padding:5px 10px;border-radius:14px;background:var(--bg);border:1px solid var(--line)}
.role-tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.side-h{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:6px 8px}
.side details{border-radius:8px}
.side summary{cursor:pointer;list-style:none;display:flex;gap:10px;align-items:center;padding:8px;border-radius:8px;font-weight:600;font-size:15px}
.side summary::-webkit-details-marker{display:none}
.side summary:hover{background:var(--bg)}
.num,.step{flex:none;display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e4f4ea;color:var(--brand-ink);font-size:13px;font-weight:700}
.side ol{list-style:none;margin:2px 0 8px;padding:0 0 0 20px;border-left:2px solid var(--line);margin-left:19px}
.side li a{display:block;padding:6px 10px;font-size:14px;line-height:1.35;color:var(--ink-2);text-decoration:none;border-radius:6px}
.side li a:hover{background:var(--bg);color:var(--ink)}
.side li a[aria-current]{background:#e4f4ea;color:var(--brand-ink);font-weight:600;box-shadow:inset 3px 0 var(--brand)}
/* breadcrumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;padding:0;margin:0 0 18px;font-size:14px;color:var(--muted)}
.crumbs li+li::before{content:"›";margin:0 6px;color:#9aa6ae}
.crumbs a{color:var(--ink-2);text-decoration:none}.crumbs a:hover{text-decoration:underline}
/* guide */
.guide{max-width:780px}
main:has(.toc){display:grid;grid-template-columns:minmax(0,780px) 220px;gap:0 40px;align-content:start}
main:has(.toc) .crumbs{grid-column:1/-1}
.kicker{margin:0 0 6px;font-size:14px;font-weight:600;color:var(--brand-ink)}
.kicker a{text-decoration:none}
h1{font-size:clamp(28px,3.4vw,38px);line-height:1.18;margin:0 0 12px;letter-spacing:-.01em}
.lead{font-size:18px;color:var(--ink-2);margin:0 0 20px}
.pending{background:#fff6e8;border:1px solid #f1d3a6;border-radius:8px;padding:10px 14px;font-size:14px}
.toc{position:sticky;top:88px;align-self:start;font-size:14px;max-height:calc(100vh - 110px);overflow:auto}
.toc p{font-weight:700;margin:6px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.toc ol,.toc-m ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc a,.toc-m a{display:block;padding:4px 12px;color:var(--ink-2);text-decoration:none;line-height:1.35}
.toc .l3 a,.toc-m .l3 a{padding-left:24px;font-size:13px}
.toc a.on{color:var(--brand-ink);font-weight:600;box-shadow:-2px 0 var(--brand)}
.toc-m{display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px 14px;margin:0 0 20px}
.toc-m summary{cursor:pointer;font-weight:600}
.prose{font-size:17px}
.prose h2{font-size:25px;line-height:1.25;margin:40px 0 12px;padding-top:12px;border-top:1px solid var(--line)}
.prose h3{font-size:20px;margin:30px 0 10px}.prose h4{font-size:17px;margin:24px 0 8px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{padding-left:26px;margin:0 0 16px}
.prose li{margin:6px 0}
.prose>ol{list-style:none;counter-reset:s;padding-left:0}
.prose>ol>li{counter-increment:s;position:relative;padding-left:44px;margin:14px 0}
.prose>ol>li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:15px;display:grid;place-items:center}
.prose>ol[start]>li::before{content:counter(s)}
.prose code{background:#eef1f3;border-radius:4px;padding:1px 5px;font-size:.9em;overflow-wrap:anywhere}
.prose pre{background:#16222a;color:#e7eef2;border-radius:var(--r);padding:14px 16px;overflow:auto;font-size:14px}
.prose pre code{background:none;padding:0;color:inherit}
.prose a{overflow-wrap:anywhere}
.table-wrap{overflow-x:auto;margin:0 0 18px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f1f4f6;font-weight:600}
.shot{margin:14px 0 20px}
.shot a{display:block;border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:6px;box-shadow:var(--shadow);cursor:zoom-in;transition:border-color .15s}
.shot a:hover{border-color:var(--brand)}
.shot img{display:block;max-width:100%;height:auto;margin:auto;border-radius:6px}
.shot-small a{display:inline-block}
.callout{border-left:4px solid var(--note-b);background:var(--note);border-radius:0 var(--r) var(--r) 0;padding:12px 16px;margin:16px 0}
.callout p:last-child{margin-bottom:0}
.callout-title{font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.04em;margin:0 0 4px!important}
.callout.tip{border-color:var(--tip-b);background:var(--tip)}.callout.warning{border-color:var(--warn-b);background:var(--warn)}
.callout.important{border-color:var(--imp-b);background:var(--imp)}.callout.source{border-color:var(--warn-b);background:var(--warn);font-size:15px}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.pn{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);background:#fff;border-radius:var(--r);padding:14px 16px;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.pn:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.pn.next{text-align:right}
.pn-l{font-size:13px;color:var(--brand-ink);font-weight:600}.pn-t{font-weight:600;line-height:1.3}.pn-s{font-size:13px;color:var(--muted)}
/* home */
.hero{text-align:center;padding:40px 0 28px}
.hero h1{font-size:clamp(30px,4.4vw,46px)}
.hero p{font-size:19px;color:var(--ink-2);margin:0}
.roles{list-style:none;padding:0;margin:0 0 36px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.role a{position:relative;display:flex;flex-direction:column;gap:6px;height:100%;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.role a:hover{transform:translateY(-2px);border-color:var(--brand)}
.role.operators a{border-top:5px solid var(--brand)}.role.admins a{border-top:5px solid #2f73b8}.role.advanced a{border-top:5px solid var(--accent)}
.role-n{position:absolute;right:18px;top:14px;font-size:40px;font-weight:800;color:#eef1f3}
.role-level{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.role strong{font-size:22px}
.role ul{margin:6px 0 0;padding-left:18px;color:var(--ink-2);font-size:15px}
.role em{margin-top:auto;padding-top:10px;font-style:normal;font-weight:600;color:var(--brand-ink)}
.quick{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.quick h2{font-size:19px;margin:0 0 8px}
.quick ol{columns:2;gap:28px;margin:0;padding-left:20px}.quick li{margin:4px 0}
/* topic & role pages */
.topic{max-width:860px}
.btn{display:inline-flex;align-items:center;min-height:44px;background:var(--brand);color:#fff;font-weight:600;text-decoration:none;border-radius:22px;padding:0 22px;margin-bottom:18px}
.btn:hover{background:var(--brand-ink)}
.guide-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.guide-list a{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;text-decoration:none;color:var(--ink);transition:border-color .15s}
.guide-list a:hover{border-color:var(--brand)}
.guide-list small{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.guide-list em{display:block;font-style:normal;font-size:13px;color:var(--brand-ink);margin-top:4px;font-weight:600}
.topics .step{width:32px;height:32px;font-size:15px}
.next-topic{display:block;margin-top:24px;padding:16px;border-radius:var(--r);background:var(--ink);color:#fff;text-decoration:none;font-weight:600}
.next-topic span{display:block;font-size:13px;color:#b9c7d0;font-weight:400}
.results{list-style:none;padding:0;display:grid;gap:10px}
.results a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;text-decoration:none;color:var(--ink)}
.results mark,.suggest mark{background:#fff0c2;color:inherit}
.foot{border-top:1px solid var(--line);color:var(--muted);font-size:14px;text-align:center;padding:20px}
/* lightbox */
.lightbox{border:0;padding:0;max-width:none;max-height:none;width:100vw;height:100vh;background:rgba(10,18,24,.94)}
.lightbox::backdrop{background:rgba(10,18,24,.8)}
.lb-stage{width:100%;height:100%;overflow:auto;display:grid;place-items:center;padding:48px 16px}
.lb-stage img{max-width:100%;max-height:calc(100vh - 96px);background:#fff;border-radius:6px;cursor:zoom-in}
.lightbox.actual .lb-stage{place-items:start}
.lightbox.actual img{max-width:none;max-height:none;cursor:zoom-out}
.lb-close{position:fixed;top:12px;right:16px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;font-size:28px;cursor:pointer;z-index:2}
.lb-hint{position:fixed;bottom:8px;left:0;right:0;text-align:center;color:#b9c7d0;font-size:13px;margin:0}
/* responsive */
@media (max-width:1180px){main:has(.toc){display:block}.toc{display:none}.toc-m{display:block}}
@media (max-width:960px){
 .layout{display:block}
 .menu-btn{display:flex}
 .side{position:fixed;inset:64px auto 0 0;width:min(340px,88vw);z-index:30;transform:translateX(-102%);transition:transform .2s;box-shadow:4px 0 24px rgba(0,0,0,.2)}
 .side.open{transform:none}
 .side-in{position:static;max-height:calc(100vh - 64px)}
 main{padding:20px 20px 56px}
 .roles{grid-template-columns:1fr}
 .brand-sub{display:none}
}
@media (max-width:640px){
 .top-in{flex-wrap:wrap;gap:10px;padding:8px 14px}
 .search{order:3;flex-basis:100%;max-width:none}
 .lang{margin-left:auto}
 .side{inset:112px auto 0 0}.side-in{max-height:calc(100vh - 112px)}
 html{scroll-padding-top:124px}
 main{padding:16px 16px 48px}
 .prose{font-size:16px}.prose>ol>li{padding-left:38px}
 .prevnext{grid-template-columns:1fr}.pn.next{text-align:left}
 .quick ol{columns:1}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.top,.side,.toc,.toc-m,.prevnext,.foot,.crumbs{display:none!important}.layout{display:block}main{padding:0}.shot a{box-shadow:none}}