:root{color-scheme:dark;--bg:#131519;--panel:#202329;--raised:#282d34;--nav:#363b45;--text:#f1f2f5;--muted:#acb2bf;--line:#353a44;--blue:#3d78f5;--link:#8cb4ff;--input:#171a20;--hover:#2c3444}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}body.light{color-scheme:light;--bg:#f1f3f6;--panel:#fff;--raised:#e2e6ed;--nav:#e6e9ee;--text:#202938;--muted:#566174;--line:#d6dce5;--link:#2456b0;--input:#f7f8fb;--hover:#edf2ff}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #93b8ff;outline-offset:4px}.wrap{max-width:1280px;margin:auto;padding-left:30px;padding-right:30px}header{background:var(--raised);border-bottom:1px solid var(--line)}.top{display:flex;align-items:center;gap:32px;min-height:88px}.brand{font-size:21px;font-weight:750;color:var(--text);letter-spacing:-.7px;white-space:nowrap}.brand span{font-weight:500}.top nav{display:flex;gap:5px;margin-left:auto;align-items:center}.top nav a{font-size:12px;font-weight:750;text-transform:uppercase;padding:13px 15px;color:var(--text);border-radius:4px;letter-spacing:.3px}.top nav .current{background:#ffffff15;box-shadow:inset 0 -3px var(--blue)}.back{font-size:13px;color:var(--muted);white-space:nowrap}.crumb{background:var(--nav);font-size:13px}.crumb .wrap{display:flex;align-items:center;gap:15px;min-height:45px}.crumb a{color:var(--text)}.crumb span{color:var(--muted)}#theme{margin-left:auto;background:none;border:0;color:var(--text);font-size:14px}.intro{display:grid;grid-template-columns:1fr 330px;gap:60px;align-items:center;padding:55px 0 38px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2.1px;color:var(--link);margin:0 0 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