:root{
  --navy:#10233d;--navy2:#163052;--blue:#2f7fd1;--blue-d:#1f6fbb;--green:#1f7a4d;
  --orange:#cc5a00;--red:#b4232a;--ink:#1b2430;--muted:#5b6776;--line:#dde3ec;
  --bg:#eef2f8;--paper:#fff;--mark:#fde68a;--ring:rgba(47,127,209,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Segoe UI",system-ui,Arial,sans-serif;line-height:1.55}
a{color:var(--blue-d);text-decoration:none}a:hover{text-decoration:underline}
::selection{background:var(--ring)}

.layout{display:flex;min-height:100vh}
.sidebar{position:sticky;top:0;align-self:flex-start;width:336px;height:100vh;overflow:auto;background:linear-gradient(180deg,#0c1d33,#12294a);color:#fff;padding:22px 18px;flex:0 0 336px}
.brand{display:block;color:#fff;margin-bottom:16px}
.brand-title{display:block;font-size:20px;font-weight:760;letter-spacing:.2px}
.brand-subtitle{display:block;color:#aebfd4;font-size:12.5px;margin-top:5px;line-height:1.4}
.searchbox{position:relative;margin:14px 0 10px}
.search-input{width:100%;padding:11px 36px 11px 12px;border-radius:8px;border:1px solid #3a567a;background:#fff;color:#111;font-size:14px}
.search-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--ring)}
.search-kbd{position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:11px;color:#7c8aa0;border:1px solid #d0d5dd;border-radius:4px;padding:1px 5px;background:#f3f5f9;pointer-events:none}
.search-results{display:none;background:#fff;color:#111;border-radius:8px;margin-bottom:12px;max-height:62vh;overflow:auto;border:1px solid #cdd5e0;box-shadow:0 12px 30px rgba(8,20,38,.4)}
.search-results.open{display:block}
.search-results .sr-empty{padding:12px 14px;color:#667085;font-size:13px}
.search-results a{display:block;padding:9px 12px;border-bottom:1px solid #eef1f5;color:#10233d}
.search-results a:last-child{border-bottom:0}
.search-results a.active,.search-results a:hover{background:#eef5ff;text-decoration:none}
.search-results strong{display:block;font-size:14px}
.search-results small{display:block;color:#667085;margin-top:2px;font-size:12px}
.search-results .snip{display:block;color:#43536a;font-size:12.5px;margin-top:3px;line-height:1.4}
.search-results mark,.content mark{background:var(--mark);color:inherit;padding:0 1px;border-radius:2px}
.sr-meta{padding:7px 12px;font-size:11.5px;color:#8a97aa;border-bottom:1px solid #eef1f5;text-transform:uppercase;letter-spacing:.05em}

.nav details{border-top:1px solid rgba(255,255,255,.1);padding:8px 0}
.nav summary{cursor:pointer;font-weight:700;color:#fff;font-size:14px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.nav summary::-webkit-details-marker{display:none}
.nav summary::after{content:"+";color:#8fb6e6;font-weight:700}
.nav details[open] summary::after{content:"–"}
.nav a{display:block;color:#cfdcee;padding:5px 0 5px 12px;font-size:13.5px;border-radius:5px}
.nav a:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.06)}
.nav a.active{color:#fff;font-weight:700;background:rgba(47,127,209,.28);border-left:3px solid var(--blue);padding-left:9px}

.main{flex:1;min-width:0}
.topline{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:16px;background:rgba(238,242,248,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:12px 34px;color:var(--muted);font-size:13.5px}
.topline a{font-weight:600}
.content{max-width:1080px;margin:0 auto;padding:38px 44px 90px}
.card-wrap{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:34px 40px;box-shadow:0 1px 2px rgba(16,24,40,.04)}

.hero{background:linear-gradient(135deg,#10233d,#2f7fd1);color:#fff;border-radius:12px;padding:36px 40px;margin-bottom:26px}
.hero h1{margin:0 0 10px;font-size:33px;line-height:1.15}
.hero p{margin:0;color:#dcebff;font-size:16.5px;max-width:70ch}
.hero .tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.hero .tag{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:4px 11px;font-size:12.5px}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:14px;margin:22px 0}
.card{border:1px solid var(--line);border-radius:10px;background:#fff;padding:18px;transition:transform .12s ease,box-shadow .12s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(16,24,40,.1)}
.card h3{margin:0 0 7px;color:var(--navy);font-size:17px}
.card p{margin:0 0 12px;color:var(--muted);font-size:13.5px}
.card .go{font-weight:700;font-size:13.5px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:20px 0}
.stat{border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;background:#fff;padding:16px 18px}
.stat .v{font-size:24px;font-weight:780;color:var(--navy)}
.stat .l{font-size:13px;color:var(--muted);margin-top:4px}
.stat.warn{border-left-color:var(--orange)}
.stat.ok{border-left-color:var(--green)}

h1,h2,h3{color:var(--navy);line-height:1.25}
h1{font-size:31px;margin-top:0}
h2{font-size:23px;margin-top:34px;border-bottom:1px solid var(--line);padding-bottom:7px}
h3{font-size:18px;margin-top:24px}
p,li{font-size:15px}
table{border-collapse:collapse;width:100%;margin:16px 0;font-size:14px}
th,td{border:1px solid var(--line);padding:8px 11px;vertical-align:top;text-align:left}
th{background:#eef3f9;color:var(--navy)}
tr:nth-child(even) td{background:#fafbfd}
code{background:#eef2f7;border:1px solid #dbe2ec;border-radius:4px;padding:1px 5px;font-size:13px}
pre{background:#0d1726;color:#eef3f8;border-radius:9px;padding:16px;overflow:auto}
pre code{background:transparent;border:0;color:inherit;padding:0}
blockquote{border-left:4px solid var(--blue);margin:18px 0;padding:8px 16px;background:#f2f8ff;color:#33455e;border-radius:0 8px 8px 0}
.doc-meta{font-size:12.5px;color:var(--muted);margin-bottom:20px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;background:#eaf2fb;color:var(--navy);font-size:12px;font-weight:700}
.section-list{columns:2;column-gap:30px;list-style:none;padding:0}
.section-list li{break-inside:avoid;margin-bottom:11px;padding-left:0}
.section-list small{color:var(--muted)}
.faq dt{font-weight:700;color:var(--navy);margin-top:16px}
.faq dd{margin:6px 0 0;color:#33455e}
.mobile-toggle,.overlay{display:none}
footer.site{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px}

@media(max-width:980px){
  .sidebar{position:fixed;z-index:30;top:0;left:0;height:100vh;transform:translateX(-104%);transition:transform .22s ease;box-shadow:18px 0 44px rgba(8,20,38,.4);width:min(86vw,330px);padding-top:62px}
  body.nav-open .sidebar{transform:translateX(0)}
  .mobile-toggle{display:flex;align-items:center;gap:7px;position:fixed;top:11px;left:11px;z-index:40;border:0;border-radius:8px;background:var(--navy);color:#fff;font-weight:700;padding:9px 13px;cursor:pointer;box-shadow:0 6px 18px rgba(16,24,40,.25)}
  .overlay{display:none;position:fixed;inset:0;z-index:25;background:rgba(10,22,40,.5)}
  body.nav-open .overlay{display:block}
  .main{width:100%}
  .topline{padding:12px 16px 12px 80px}
  .content{padding:24px 16px 70px}
  .card-wrap{padding:22px 18px;border-radius:10px}
  .hero{padding:26px 20px}.hero h1{font-size:26px}.hero p{font-size:15px}
  h1{font-size:25px}h2{font-size:20px}
  .section-list{columns:1}
  table{display:block;overflow-x:auto}
}