:root { --brand: #1e3a5f; --primary: #2563eb; --text: #1f2937; --muted: #6b7280; --line: #e5e7eb; --bg: #f5f7fa; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: var(--text); background: var(--bg); }
header { background: var(--brand); color: #fff; }
header .wrap { display: flex; align-items: center; gap: 12px; padding: 14px 20px; }
header img { width: 32px; height: 32px; border-radius: 8px; }
header a { color: #fff; text-decoration: none; font-weight: 600; }
nav { margin-left: auto; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 18px; font-size: 14px; }
nav a { font-weight: 400; opacity: .9; }
.wrap { max-width: 820px; margin: 0 auto; }
main .wrap { background: #fff; padding: 32px 24px 48px; margin-top: 24px; margin-bottom: 24px; border-radius: 12px; border: 1px solid var(--line); }
h1 { font-size: 26px; margin: 0 0 8px; color: #111827; }
h2 { font-size: 19px; margin: 28px 0 8px; color: #111827; }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--primary); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--bg); }
.hero { text-align: center; padding: 16px 0 8px; }
.hero img { width: 88px; height: 88px; border-radius: 20px; }
.features { display: grid; gap: 14px; margin-top: 24px; }
.features div { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 8px 0 32px; }
footer a { color: var(--muted); margin: 0 8px; }