/* ExotElectronics common page styles */
:root { --card-b: #fff; --card-br: #eee; --note-b: #f8fff0; --note-br: #dfeec7; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; line-height: 1.5; color: #111; }
a { color: #0a66c2; text-decoration: none; }
a:hover { text-decoration: underline; }

.page { max-width: 980px; margin: auto; padding: 24px; }
.card { background: var(--card-b); border: 1px solid var(--card-br); border-radius: 12px; padding: 16px; margin: 16px 0; }
.hero { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.hero img { max-width: 420px; width: 100%; height: auto; border: 1px solid #ddd; border-radius: 8px; }
h1 { margin: 0 0 8px; }
.toc a { display: block; padding: 6px 0; }
.kbd { font-family: ui-monospace, Menlo, monospace; background: #f5f5f5; padding: 2px 6px; border-radius: 6px; }
.parts { width: 100%; border-collapse: collapse; }
.parts td, .parts th { border-bottom: 1px solid #eee; padding: 8px; }
.note { background: var(--note-b); border: 1px solid var(--note-br); padding: 10px; border-radius: 8px; }
.tip { background: #fff7f0; border: 1px solid #ffe1c4; padding: 10px; border-radius: 8px; }
.warn { background: #fff0f0; border: 1px solid #ffd8d8; padding: 10px; border-radius: 8px; }
nav.card a + a::before { content: " › "; color: #777; }