:root { font-family: Inter, ui-sans-serif, system-ui, sans-serif; color: #172033; background: #f4f7fb; }
* { box-sizing: border-box; }
body { margin: 0; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 1rem max(1rem, calc((100vw - 980px) / 2)); background: #fff; border-bottom: 1px solid #dfe5ee; }
.brand { font-weight: 800; color: #172033; text-decoration: none; }
nav { display: flex; gap: 1rem; }
nav a { color: #3454d1; text-decoration: none; font-weight: 650; }
.shell { max-width: 980px; margin: 3rem auto; padding: 0 1rem; }
.status { margin-bottom: 1rem; color: #62708a; font-size: .9rem; }
.card { background: #fff; border: 1px solid #dfe5ee; border-radius: 18px; padding: clamp(1.25rem, 4vw, 3rem); box-shadow: 0 18px 55px rgba(23,32,51,.08); }
h1 { margin-top: 0; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.05; }
h2 { margin-top: 2rem; }
p, li { line-height: 1.75; }
code { background: #edf1f7; padding: .15rem .35rem; border-radius: .35rem; }
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { text-align: left; padding: .9rem 1rem; border-bottom: 1px solid #dfe5ee; }
th { background: #f0f3fa; }
tbody tr:hover { background: #f8faff; }
@media (max-width: 640px) { .site-header { align-items: flex-start; flex-direction: column; gap: .75rem; } }