:root{--navy: #0e1726;--navy2: #132038;--ink: #101b2e;--slate: #5a6b85;--paper: #f7f9fc;--line: #e7ecf3;--amber1: #ffc24b;--amber2: #ff7a2f;--amber: #ff7a2f;--white: #ffffff;--muted: #a9b8ce;--radius: 12px;--maxw: 880px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font:16px/1.65 Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--amber2);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}header.site{background:var(--navy);position:sticky;top:0;z-index:20;border-bottom:1px solid #1c2942}header.site .nav{display:flex;align-items:center;justify-content:space-between;height:66px}header.site .brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:800;font-size:19px}header.site .brand:hover{text-decoration:none}header.site .brand .logo{width:38px;height:38px;flex:none}header.site .brand small{display:block;font-weight:500;font-size:11px;color:#8da0bc;letter-spacing:.2px;margin-top:-2px}header.site .nav-right{display:flex;align-items:center;gap:20px}header.site .nav-right .navlink{color:#c8d5e6;text-decoration:none;font-weight:600;font-size:14px}header.site .nav-right .navlink:hover{color:#fff}.btn{display:inline-block;font-weight:700;text-decoration:none;border-radius:12px;padding:10px 18px;font-size:14px;transition:transform .06s ease,box-shadow .2s ease}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--amber1),var(--amber2));color:#2a1400;box-shadow:0 8px 22px #ff7a2f47}header.hero{background:radial-gradient(1100px 500px at 80% -10%,#1b2c4b 0%,var(--navy) 55%);color:#fff;padding:56px 0 48px}header.hero .brand{display:flex;align-items:center;gap:14px}header.hero .brand .logo{width:48px;height:48px;flex:none}header.hero .brand h1{margin:0;font-size:26px;letter-spacing:-.01em}header.hero p.tag{margin:18px 0 0;font-size:19px;max-width:620px;color:var(--muted)}header.hero .badges{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}.badge{display:inline-flex;align-items:center;gap:8px;background:#16233a;border:1px solid #2a3a57;color:#d7e1ef;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600}nav.toc{position:sticky;top:66px;z-index:10;background:#ffffffeb;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}nav.toc .wrap{display:flex;flex-wrap:wrap;gap:4px 18px;padding-top:12px;padding-bottom:12px}nav.toc a{color:var(--slate);font-size:14px;font-weight:600}nav.toc a:hover{color:var(--amber);text-decoration:none}main{padding:8px 0 40px}section{padding:34px 0 8px;border-bottom:1px solid var(--line)}section:last-of-type{border-bottom:0}h2{font-size:22px;margin:0 0 6px;letter-spacing:-.01em;scroll-margin-top:130px}h3{font-size:16px;margin:22px 0 4px}p,ul,ol{color:#344563}ul.clean{list-style:none;padding-left:0}ul.clean li{padding-left:26px;position:relative;margin:8px 0}ul.clean li:before{content:"✓";position:absolute;left:0;top:0;color:var(--amber2);font-weight:700}code{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;color:var(--amber2)}.lead{font-size:18px;color:var(--slate)}.note{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:var(--radius);padding:14px 16px;margin:18px 0}.note strong{color:var(--ink)}table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--slate);font-size:13px;text-transform:uppercase;letter-spacing:.04em}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:16px 0}.card{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:#fff}.card h3{margin-top:0}details{border:1px solid var(--line);border-radius:var(--radius);padding:4px 16px;margin:10px 0;background:#fff}details summary{cursor:pointer;font-weight:600;padding:10px 0;color:var(--ink)}details[open] summary{color:var(--amber)}details p{margin-top:0}footer.site{background:var(--navy);color:#9fb0c8;padding:44px 0;font-size:14px}footer.site .foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}footer.site .foot a{color:#c8d5e6;text-decoration:none;margin-left:20px}footer.site .foot .links a:first-child{margin-left:0}footer.site .foot a:hover{color:#fff}@media(max-width:560px){header.site .nav-right .navlink{display:none}footer.site .foot a{margin-left:0;margin-right:18px}}