:root{color-scheme:light;--ink:#101114;--muted:#62666f;--line:#e5e7eb;--blue:#3157ff;--paper:#fff;--wash:#f5f7ff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f7f5;color:var(--ink);font:16px/1.68 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",sans-serif}
a{color:#2348dc;text-decoration-thickness:1px;text-underline-offset:3px}.shell{max-width:920px;margin:auto;background:var(--paper);min-height:100vh;padding:28px 56px 88px;box-shadow:0 0 0 1px rgba(16,17,20,.04)}
.top{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;text-decoration:none}.brand img{width:38px;height:38px;border-radius:10px}.top nav{display:flex;gap:18px;font-size:14px}.eyebrow{margin:62px 0 10px;color:var(--blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:12px}h1{font-size:clamp(38px,7vw,68px);line-height:.98;letter-spacing:-.055em;margin:0;max-width:760px}h2{font-size:24px;line-height:1.2;letter-spacing:-.025em;margin:50px 0 12px}h3{font-size:17px;margin:28px 0 6px}.lede{font-size:19px;color:#333842;max-width:700px;margin:24px 0 8px}.meta{color:var(--muted);font-size:14px}.notice{margin:34px 0;padding:20px 22px;border-radius:18px;background:var(--wash);border:1px solid #dfe4ff}.toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px;margin:34px 0;padding:24px;border:1px solid var(--line);border-radius:18px}.toc a{color:#363943;text-decoration:none}.toc a:hover{text-decoration:underline}table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}th,td{padding:13px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:#fafafa}li{margin:7px 0}.footer{margin-top:64px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}.button{display:inline-block;background:var(--blue);color:white;text-decoration:none;font-weight:800;border-radius:999px;padding:12px 18px;margin-top:8px}
@media(max-width:640px){.shell{padding:20px 20px 64px}.top nav{gap:12px}.eyebrow{margin-top:42px}.toc{grid-template-columns:1fr;padding:18px}table{display:block;overflow-x:auto}.footer{display:block}.footer span{display:block;margin-top:8px}}