:root{--bg:#031134;--bg-deep:#000b2d;--surface:#101e41;--surface-low:#0b1a3d;--surface-high:#1b284c;--primary:#a9c7ff;--tertiary:#44d8f1;--secondary:#f8bd2a;--text:#dbe1ff;--text-soft:#c2c6d4;--dim:#8c9ab8;--line:rgba(169,199,255,.17)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;padding:0;background:var(--bg);color:var(--text-soft);font-family:'Inter',Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--tertiary);text-decoration:none}
a:hover{color:var(--primary)}
a:focus-visible,button:focus-visible{outline:2px solid var(--tertiary);outline-offset:4px}
.site-nav{position:sticky;top:0;z-index:50;background:rgba(3,17,52,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.nav-inner{max-width:1440px;min-height:76px;margin:0 auto;padding:0 32px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand:hover{opacity:.82}
.brand svg{height:32px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;font-family:'Manrope',Arial,sans-serif;font-size:13px;font-weight:700}
.nav-links a{color:var(--text-soft);transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-links a.active{color:var(--tertiary);border-bottom:2px solid var(--tertiary);padding-bottom:3px}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;padding:10px;background:transparent;border:1px solid var(--line);border-radius:6px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;margin:4px auto;background:var(--text-soft);transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.wrap{width:min(960px,calc(100% - 40px));margin:48px auto 80px;padding:42px;background:rgba(16,30,65,.72);border:1px solid rgba(169,199,255,.1);border-radius:16px;box-shadow:0 22px 65px rgba(0,11,45,.18)}
.wrap.wide{width:min(1040px,calc(100% - 40px))}
h1,h2,h3{font-family:'Manrope',Arial,sans-serif;color:var(--text)}
h1{margin:0 0 20px;color:var(--primary);font-size:clamp(1.75rem,4vw,2.35rem);line-height:1.2;letter-spacing:-.035em}
h2{margin:36px 0 14px;padding-bottom:9px;border-bottom:1px solid var(--line);color:var(--tertiary);font-size:1.2rem;line-height:1.35;letter-spacing:-.015em}
h3{margin:27px 0 10px;color:var(--primary);font-size:1rem;line-height:1.4}
p,li,td,th{font-size:.94rem}
p{margin:0 0 15px}
li{margin:5px 0}
b,strong{color:var(--text)}
.muted{color:var(--dim);font-size:.84rem}
.back-link{display:inline-flex;align-items:center;margin-bottom:24px;color:var(--dim);font-size:.82rem}
.back-link:hover{color:var(--tertiary)}
.registry-badge{display:inline-flex;align-items:center;gap:10px;max-width:100%;margin:0 0 25px;padding:10px 14px;color:var(--secondary);background:rgba(248,189,42,.08);border:1px solid rgba(248,189,42,.38);border-radius:8px;font-family:'Manrope',Arial,sans-serif;font-size:.8rem;font-weight:700;line-height:1.45;transition:background .2s}
.registry-badge:hover{color:var(--secondary);background:rgba(248,189,42,.15)}
.registry-icon{display:grid;place-items:center;width:20px;height:20px;flex:0 0 20px;border:1px solid var(--secondary);border-radius:50%;font-size:.72rem}
table{width:100%;margin:16px 0 22px;border-collapse:collapse;border-spacing:0}
th,td{padding:11px 13px;border:1px solid rgba(169,199,255,.17);text-align:left;vertical-align:top}
th{background:rgba(68,216,241,.07);color:var(--primary);font-family:'Manrope',Arial,sans-serif;font-weight:600}
td{color:var(--text-soft)}
.scroll{max-width:100%;overflow-x:auto;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}
.scroll table{min-width:590px}
code{padding:2px 6px;color:var(--tertiary);background:rgba(3,17,52,.75);border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.84rem;overflow-wrap:anywhere}
.formula{margin:14px 0;padding:13px 15px;overflow-x:auto;color:var(--text);background:rgba(3,17,52,.75);border-left:3px solid var(--tertiary);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88rem}
.note{margin:16px 0;padding:13px 15px;background:rgba(255,193,7,.08);border-left:3px solid #ffc107}
.step{margin:8px 0;padding:11px 15px;background:rgba(68,216,241,.065);border:1px solid rgba(68,216,241,.07);border-radius:7px}
.tag-pro{padding:2px 7px;color:#fff;background:#1a73e8;border-radius:4px;font-size:.7rem;vertical-align:middle}
.toc{margin:24px 0 30px;padding:20px 23px;background:rgba(3,17,52,.6);border:1px solid var(--line);border-radius:10px}
.toc ol{margin:9px 0 0;padding-left:20px}
.toc li{margin:6px 0}
.req{margin-top:12px;padding:18px;background:rgba(3,17,52,.6);border:1px solid var(--line);border-radius:10px;font-size:.88rem}
hr{margin:28px 0;border:0;border-top:1px solid var(--line)}
.price{font-family:'Manrope',Arial,sans-serif;font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.p-lite{color:var(--tertiary)}
.p-pro{color:var(--secondary)}
.btn{display:inline-flex;align-items:center;justify-content:center;margin-top:12px;padding:13px 26px;color:#031134;background:var(--tertiary);border:1px solid var(--tertiary);border-radius:7px;font-family:'Manrope',Arial,sans-serif;font-size:.85rem;font-weight:800;transition:transform .2s,background .2s}
.btn:hover{color:#031134;background:#74e4f6;transform:translateY(-1px)}
.site-footer{border-top:1px solid var(--line);background:var(--bg-deep)}
.footer-inner{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:30px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:28px;color:var(--dim);font-size:.75rem}
.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 22px}
.footer-links a{color:var(--dim);font-size:.75rem}
.footer-links a:hover{color:var(--secondary)}
@media(max-width:900px){
  .nav-inner{min-height:68px;padding:0 20px}
  .brand svg{height:29px}
  .nav-toggle{display:block}
  .nav-links{position:absolute;left:16px;right:16px;top:calc(100% + 8px);display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 45px rgba(0,11,45,.4)}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:11px 12px;font-size:14px}
  .nav-links a.active{border-bottom:0;border-left:2px solid var(--tertiary);padding-bottom:11px}
  .wrap,.wrap.wide{width:calc(100% - 28px);margin:26px auto 56px;padding:26px}
  .footer-inner{align-items:flex-start;flex-direction:column}
  .footer-links{justify-content:flex-start}
}
@media(max-width:480px){
  .wrap,.wrap.wide{width:calc(100% - 20px);padding:21px;margin-top:18px;border-radius:12px}
  h1{font-size:1.7rem}
  h2{margin-top:30px;font-size:1.1rem}
  p,li,td,th{font-size:.88rem}
  .registry-badge{align-items:flex-start;font-size:.74rem}
  .wrap>table{display:block;overflow-x:auto;overscroll-behavior-inline:contain}
  .wrap>table tbody{display:table;width:100%;min-width:560px}
  th,td{padding:9px 10px}
  .toc{padding:16px}
  .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}