:root{--bg:#0d1117;--panel:#151b23;--panel2:#1b2330;--line:#2b3544;--text:#eef4fb;--muted:#a8b3c2;--accent:#57b7ff;--accent2:#82e6bf;--warn:#ffcc73;--code:#0a0e13}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#0b1016,#101720 55%,#0d1117);color:var(--text);font:15px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.layout{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:26px 18px;border-right:1px solid var(--line);background:rgba(12,16,22,.96);overflow:auto}.brand{display:flex;align-items:center;gap:10px;margin:0 8px 22px;font-weight:800;font-size:17px}.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#8d7dff);box-shadow:0 0 26px rgba(87,183,255,.18)}.nav-title{margin:18px 10px 8px;color:#6f7e91;font-size:11px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.nav a{display:block;padding:8px 10px;margin:2px 0;border-radius:7px;color:var(--muted);text-decoration:none}.nav a:hover,.nav a.active{background:#182231;color:white}.content{width:min(1050px,calc(100vw - 310px));padding:52px 58px 90px}.hero{padding:38px;border:1px solid var(--line);border-radius:18px;background:radial-gradient(circle at 85% 10%,rgba(87,183,255,.15),transparent 35%),linear-gradient(145deg,#18212d,#111821);box-shadow:0 18px 60px rgba(0,0,0,.2);margin-bottom:30px}.eyebrow{color:var(--accent2);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}.hero h1{font-size:40px;line-height:1.08;margin:8px 0 14px}.hero p{font-size:18px;color:#c5d0dc;max-width:800px}.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.badge{padding:5px 10px;border-radius:999px;background:#202b39;border:1px solid #354256;color:#cbd7e5;font-size:12px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{padding:20px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.card h3{margin:0 0 7px}.card p{margin:0;color:var(--muted)}h2{font-size:27px;margin:42px 0 12px;border-bottom:1px solid var(--line);padding-bottom:9px}h3{font-size:19px;margin:26px 0 8px}p,li{color:#c7d1dc}a{color:#75c7ff}strong{color:white}.steps{counter-reset:step;display:grid;gap:10px}.step{position:relative;padding:16px 18px 16px 54px;background:var(--panel);border:1px solid var(--line);border-radius:11px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:15px;width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#20374b;color:#8fd3ff;font-weight:800}.note,.tip,.warning{padding:15px 17px;border-radius:10px;margin:18px 0;border:1px solid var(--line);background:#151d27}.tip{border-left:3px solid var(--accent2)}.warning{border-left:3px solid var(--warn)}.note{border-left:3px solid var(--accent)}code{font-family:"Cascadia Code","SFMono-Regular",Consolas,monospace;background:#151c25;border:1px solid #293545;padding:1px 5px;border-radius:5px;color:#d9ecff}pre{position:relative;background:var(--code);border:1px solid #263141;border-radius:10px;padding:17px;overflow:auto}pre code{border:0;background:transparent;padding:0}.copy{position:absolute;right:9px;top:9px;background:#202b38;color:#cbd8e5;border:1px solid #39475a;border-radius:6px;padding:5px 8px;cursor:pointer}table{width:100%;border-collapse:collapse;margin:14px 0 26px;background:var(--panel);border:1px solid var(--line)}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:white;background:#19222e}td{color:#c5d0dc}.shot{width:100%;border:1px solid var(--line);border-radius:12px;background:#070a0f;image-rendering:auto}.shot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.footer{margin-top:55px;padding-top:20px;border-top:1px solid var(--line);color:#7f8da0;font-size:13px}.mobile-top{display:none}@media(max-width:850px){.layout{display:block}.sidebar{display:none}.mobile-top{display:flex;position:sticky;top:0;z-index:20;justify-content:space-between;align-items:center;padding:12px 16px;background:#0d131b;border-bottom:1px solid var(--line)}.mobile-top select{max-width:58%;background:#18212c;color:white;border:1px solid #354255;border-radius:7px;padding:6px}.content{width:100%;padding:28px 18px 70px}.hero{padding:26px}.hero h1{font-size:32px}.grid,.shot-grid{grid-template-columns:1fr}}