:root{--brand:#df3b3f;--brand-dark:#a91e25;--ink:#292323;--muted:#6f6661;--paper:#fffdfa;--wash:#f6f0e9;--line:#ded2c8;--ok:#276d57;--warn:#9b5b16;--shadow:0 14px 36px #4c33251a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--wash);font:16px/1.62 Inter,"Segoe UI",Arial,sans-serif}a{color:var(--brand-dark);text-underline-offset:3px}.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:20px;min-height:72px;padding:10px 24px;color:#fff;background:var(--brand);box-shadow:0 3px 18px #55141930}.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.035em}.brand img{width:36px;height:36px;object-fit:contain}.header-tools{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex:1}.header-tools label{display:flex;align-items:center;gap:5px;font-size:.78rem}.header-tools select,.search-form input,.search-form button{min-height:38px;border:1px solid #ffffff88;border-radius:8px;font:inherit}.header-tools select{padding:0 28px 0 9px;color:#3b3130;background:#fff}.search-form{position:relative;display:flex;min-width:240px}.search-form input{width:100%;padding:0 40px 0 12px;color:var(--ink);background:#fff}.search-form button{position:absolute;right:2px;top:2px;width:36px;min-height:34px;border:0;color:var(--brand);background:transparent;cursor:pointer}.layout{display:grid;grid-template-columns:minmax(230px,290px) minmax(0,920px);gap:34px;max-width:1290px;margin:0 auto;padding:34px 24px 70px}.sidebar{position:sticky;top:102px;align-self:start;max-height:calc(100vh - 126px);overflow:auto;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fffaf6}.sidebar strong{display:block;margin-bottom:10px}.sidebar ol{list-style:none;padding:0;margin:0}.sidebar a{display:block;padding:7px 9px;border-radius:8px;color:#4b4240;text-decoration:none;font-size:.9rem}.sidebar a:hover,.sidebar a.active{color:#fff;background:var(--brand)}.content{min-width:0}.breadcrumbs{color:var(--muted);font-size:.9rem}.hero{padding:30px 34px;margin:12px 0 24px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,#fff,#fff8f3)}.chapter-number{color:var(--brand);font-size:.84rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}h1{margin:.2em 0 .25em;font-size:clamp(2rem,5vw,3.25rem);line-height:1.08;letter-spacing:-.035em}h2{margin:1.65em 0 .45em;font-size:1.52rem;line-height:1.2}h3{margin:1.25em 0 .35em}p,ul,ol{margin:.65em 0 1em}.lead{max-width:760px;color:var(--muted);font-size:1.15rem}.screenshot,.doc-figure img{display:block;width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}.screenshot{margin:24px 0 32px}.doc-figure{margin:22px 0 30px}.doc-figure figcaption{padding:10px 4px;color:var(--muted);font-size:.9rem}.image-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.image-grid .doc-figure{margin:14px 0}section{padding:4px 4px 10px}table{width:100%;border-collapse:collapse;margin:18px 0 24px;background:#fff}th,td{padding:10px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f3e9e3}code,kbd{padding:2px 5px;border:1px solid #ded2c8;border-radius:4px;background:#efe7e1}kbd{white-space:nowrap;box-shadow:0 1px 0 #bdb1a8}.callout{margin:18px 0;padding:16px 18px;border-left:5px solid var(--ok);border-radius:8px;background:#eef8f4}.callout.warning{border-left-color:var(--warn);background:#fff5e8}.callout.important{border-left-color:var(--brand);background:#fff0f1}.badge{display:inline-block;min-width:40px;padding:2px 7px;border-radius:99px;color:#fff;text-align:center;font-size:.75rem;font-weight:800}.badge.lock{background:#b6232a}.badge.new{background:#1976d2}.badge.suspect{background:#a96504}.badge.broken{background:#5f5660}.callout-number{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:7px;border-radius:50%;color:#fff;background:var(--brand);font-weight:800}.steps{list-style:none;padding:0}.steps li{display:flex;gap:12px;margin:10px 0}.step-icon{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:9px;background:#f7e3e4}.chapter-nav{display:flex;justify-content:space-between;gap:16px;margin-top:42px;padding-top:24px;border-top:1px solid var(--line)}.chapter-nav a{max-width:48%;padding:12px 15px;border:1px solid var(--line);border-radius:10px;background:#fff;text-decoration:none}.footer{padding:28px;color:var(--muted);text-align:center;border-top:1px solid var(--line);background:#fffaf6}.footer a{margin-left:14px}.index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}.index-card{display:block;padding:18px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:#fff;text-decoration:none}.index-card:hover{border-color:var(--brand);transform:translateY(-1px)}.index-card small{display:block;color:var(--brand);font-weight:800}.index-card strong{display:block;margin:3px 0}.index-card span{color:var(--muted);font-size:.9rem}.search-results{position:fixed;z-index:60;top:72px;left:50%;width:min(760px,calc(100vw - 24px));max-height:calc(100vh - 94px);overflow:auto;transform:translateX(-50%);padding:18px;border:1px solid var(--line);border-radius:0 0 14px 14px;background:#fff;box-shadow:0 20px 50px #24151555}.search-results[hidden]{display:none}.search-results-header{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-results button{border:0;background:transparent;font-size:1.4rem;cursor:pointer}.search-hit{display:block;padding:13px 8px;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}.search-hit strong,.search-hit small{display:block}.search-hit small{color:var(--brand)}.search-hit span{color:var(--muted);font-size:.9rem}.portal{min-height:100vh;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at 20% 10%,#fff 0,#f8eee8 45%,#f2e7df 100%)}.portal-panel{width:min(940px,100%);padding:40px;border:1px solid var(--line);border-radius:24px;background:#fffcfa;box-shadow:var(--shadow)}.portal-brand{display:flex;align-items:center;gap:14px}.portal-brand img{width:48px}.language-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:28px 0}.language-card{padding:24px;border:1px solid var(--line);border-radius:16px;color:var(--ink);background:#fff;text-decoration:none}.language-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}.language-card strong{display:block;font-size:1.3rem}.version-pill{display:inline-block;padding:4px 10px;border-radius:99px;color:#fff;background:var(--brand);font-weight:700}.portal-footer{color:var(--muted)}.portal-footer a{margin-right:15px}
.doc-figure{position:relative;counter-increment:docfigure}.doc-figure::before{content:counter(docfigure);position:absolute;z-index:2;top:12px;left:12px;display:grid;place-items:center;width:30px;height:30px;border:2px solid #fff;border-radius:50%;color:#fff;background:var(--brand);box-shadow:0 3px 10px #24151555;font-weight:800}
@media(max-width:950px){.topbar{align-items:flex-start;flex-wrap:wrap}.header-tools{flex-wrap:wrap}.layout{grid-template-columns:1fr}.sidebar{position:static;max-height:none}.search-results{top:128px}.image-grid{grid-template-columns:1fr}}
@media(max-width:620px){.topbar{padding:9px 12px}.brand span{display:none}.header-tools{justify-content:flex-start}.header-tools label span{position:absolute;width:1px;height:1px;overflow:hidden}.search-form{order:3;flex-basis:100%;min-width:0}.layout{padding:24px 12px 50px}.hero{padding:24px 20px}.index-grid,.language-grid{grid-template-columns:1fr}.portal-panel{padding:25px 20px}.chapter-nav{flex-direction:column}.chapter-nav a{max-width:none}.footer a{display:inline-block;margin:6px}.search-results{top:128px}}
@media print{.topbar,.sidebar,.chapter-nav,.search-results{display:none!important}body{background:#fff}.layout{display:block;max-width:none;padding:0}.hero{padding:0;border:0}.screenshot,.doc-figure img{box-shadow:none}}