:root{
  --navy:#002b4c;--navy-2:#073a5f;--ice:#c0ebff;--peach:#f59e71;
  --ink:#152536;--muted:#5b6b79;--line:#d9e4eb;--bg:#f7fafc;--white:#fff;
  --body-size:16px;--small-size:.875rem;--nav-size:.925rem;
  --header-h:76px;--sidebar-w:272px;--mobile-bar-h:58px;
}
*{box-sizing:border-box}
html{font-size:var(--body-size);scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:1rem;line-height:1.62;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
header{min-height:var(--header-h);background:var(--navy);display:flex;align-items:center;justify-content:space-between;gap:28px;padding:12px 28px;position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(255,255,255,.12)}
.header-left{display:flex;align-items:center;gap:14px;min-width:0}
header .brand-primary{height:44px;width:auto;max-width:54vw;object-fit:contain}
header .company-brand{display:flex;align-items:center;gap:12px;color:var(--ice);font-size:.78rem;letter-spacing:.03em;white-space:nowrap}
header .company-brand img{height:30px;width:auto;max-width:190px;object-fit:contain}
.menu-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.35);border-radius:8px;background:transparent;color:#fff;cursor:pointer;flex:0 0 auto}
.menu-toggle:hover{background:rgba(255,255,255,.08)}
.menu-toggle:focus-visible,.nav-close:focus-visible,.mobile-app-footer a:focus-visible{outline:3px solid var(--peach);outline-offset:2px}
.menu-icon,.menu-icon::before,.menu-icon::after{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative}
.menu-icon::before,.menu-icon::after{content:"";position:absolute;left:0}
.menu-icon::before{top:-6px}.menu-icon::after{top:6px}
.layout{display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);min-height:calc(100vh - var(--header-h))}
nav{background:var(--bg);border-right:1px solid var(--line);padding:18px 14px 40px;overflow:auto}
.nav-mobile-head{display:none}
nav .group{font-size:.72rem;line-height:1.3;font-weight:800;letter-spacing:.09em;color:#657681;margin:20px 10px 7px;text-transform:uppercase}
nav a{display:block;color:var(--navy);text-decoration:none;padding:7px 10px;border-radius:6px;line-height:1.34;font-size:var(--nav-size);font-weight:500}
nav a:hover,nav a.active{background:var(--ice);font-weight:700}
.nav-backdrop{display:none}
main{width:100%;max-width:1120px;padding:42px 56px 72px;min-width:0}
article{min-height:calc(100vh - 260px)}
h1,h2,h3,h4{color:var(--navy);line-height:1.24;font-weight:700;letter-spacing:-.012em}
h1{font-size:2.2rem;margin:0 0 1.35rem;border-bottom:4px solid var(--peach);padding-bottom:12px}
h2{font-size:1.55rem;margin:2.35rem 0 .85rem}
h3{font-size:1.22rem;margin:1.8rem 0 .65rem}
h4{font-size:1.05rem;margin:1.4rem 0 .5rem}
p,li,td,th{font-size:1rem}
p{margin:.75rem 0 1rem}
ul,ol{padding-left:1.45rem;margin:.7rem 0 1.1rem}
li{margin:.22rem 0}
a{color:#005f91;text-underline-offset:2px}
img{max-width:100%;height:auto}
code{font-family:"Cascadia Mono",Consolas,"Courier New",monospace;font-size:.91em;background:#eef5f8;padding:.1em .32em;border-radius:4px;overflow-wrap:anywhere}
pre{font-size:.91rem;line-height:1.55;background:#071d2d;color:#e9f7ff;padding:18px 20px;border-radius:8px;overflow:auto;position:relative;border:1px solid #163b52;max-width:100%}
pre code{font-size:inherit;background:none;padding:0;overflow-wrap:normal}
table{border-collapse:collapse;width:100%;font-size:.94rem;display:block;overflow-x:auto;margin:1rem 0 1.5rem;-webkit-overflow-scrolling:touch}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top;line-height:1.45}
th{background:var(--navy);color:white;font-weight:700}
blockquote{border-left:5px solid var(--peach);background:#fff6f1;margin:1rem 0 1.35rem;padding:11px 18px}
blockquote p{margin:.35rem 0}
.badge{display:inline-block;background:var(--peach);color:#1b2732;border-radius:999px;padding:3px 10px;font-size:.76rem;line-height:1.4;font-weight:800;letter-spacing:.04em}
.lead{font-size:1.12rem;color:var(--muted)}
.site-footer{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:var(--small-size);line-height:1.5}
.site-footer .footer-row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-footer .footer-brand{display:flex;align-items:center;gap:12px}
.site-footer img{height:25px;width:auto;max-width:150px}
.site-footer p{font-size:var(--small-size);margin:.35rem 0}
.site-footer a{font-size:inherit}
.legal-note{margin-top:14px;padding:12px 14px;background:#f4f8fa;border-left:3px solid var(--navy-2);border-radius:3px}
.mobile-app-footer{display:none}

@media(max-width:1024px){
  :root{--header-h:68px}
  header{padding:10px 16px;gap:14px}
  .menu-toggle{display:inline-flex}
  header .brand-primary{height:38px;max-width:min(52vw,330px)}
  header .company-brand span{display:none}
  header .company-brand img{height:25px;max-width:132px}
  .layout{display:block;min-height:calc(100vh - var(--header-h))}
  nav{display:block;position:fixed;z-index:60;top:0;bottom:0;left:0;width:min(84vw,330px);padding:14px 14px calc(var(--mobile-bar-h) + 28px);border-right:1px solid var(--line);box-shadow:0 16px 36px rgba(0,43,76,.22);transform:translateX(-105%);transition:transform .22s ease;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
  body.menu-open nav{transform:translateX(0)}
  .nav-mobile-head{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:-14px;background:var(--bg);padding:14px 4px 12px;z-index:2;border-bottom:1px solid var(--line);margin-bottom:8px}
  .nav-mobile-head strong{color:var(--navy);font-size:.95rem}
  .nav-close{width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--navy);font-size:1.4rem;line-height:1;cursor:pointer}
  .nav-backdrop{display:block;position:fixed;inset:0;z-index:50;background:rgba(3,21,34,.48);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease}
  body.menu-open .nav-backdrop{opacity:1;visibility:visible}
  main{max-width:none;padding:30px 30px calc(var(--mobile-bar-h) + 58px)}
  article{min-height:calc(100vh - 250px)}
  h1{font-size:1.9rem}h2{font-size:1.4rem}h3{font-size:1.18rem}
  .site-footer{margin-top:42px;padding-bottom:18px}
  .mobile-app-footer{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;height:var(--mobile-bar-h);background:rgba(255,255,255,.97);border-top:1px solid var(--line);align-items:stretch;justify-content:space-around;padding:max(5px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(5px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));box-shadow:0 -5px 18px rgba(0,43,76,.08);backdrop-filter:blur(10px)}
  .mobile-app-footer a,.mobile-app-footer button{min-width:72px;border:0;background:transparent;color:var(--navy);text-decoration:none;font:inherit;font-size:.76rem;font-weight:700;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;border-radius:8px;cursor:pointer;padding:3px 8px}
  .mobile-app-footer a:hover,.mobile-app-footer button:hover{background:#eef7fb}
  .mobile-app-footer .app-icon{font-size:1.12rem;line-height:1}
}
@media(max-width:600px){
  :root{--body-size:15.5px;--mobile-bar-h:60px}
  header{padding:9px 12px}
  header .brand-primary{height:34px;max-width:58vw}
  header .company-brand{display:none}
  main{padding:24px 18px calc(var(--mobile-bar-h) + 48px)}
  h1{font-size:1.65rem;padding-bottom:10px;margin-bottom:1.15rem}
  h2{font-size:1.3rem;margin-top:2rem}h3{font-size:1.12rem}
  pre{padding:14px 15px;border-radius:6px;font-size:.86rem}
  blockquote{padding:10px 14px}
  .site-footer .footer-row{align-items:flex-start;flex-direction:column;gap:10px}
  .site-footer .footer-brand{align-items:flex-start;flex-direction:column;gap:8px}
  .legal-note{padding:10px 12px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}nav,.nav-backdrop{transition:none!important}
}