:root { --bg: #0f1020; --panel: #191a33; --line: #2e3060; --text: #e9edf3; --sub: #9aa4b5; --brand1: #4b54d6; --brand2: #8a3fc4; --gold: #ffd66b; color-scheme: dark; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --bg: #f6f6fb; --panel: #fff; --line: #e1e2ef; --text: #1b1c2e; --sub: #5b6072; color-scheme: light; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 28px 16px 64px; }
header.top { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
header.top img { width: 48px; height: 48px; border-radius: 12px; }
header.top a { color: inherit; text-decoration: none; font-weight: 700; font-size: 18px; }
h1 { font-size: 26px; line-height: 1.35; margin: 8px 0 4px; }
h2 { font-size: 19px; margin: 32px 0 8px; padding-top: 12px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 18px 0 4px; }
p, li { color: var(--text); }
.sub { color: var(--sub); font-size: 14px; }
a { color: #8f97ff; }
ul { padding-left: 1.3em; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 8px; border-bottom: 1px solid var(--line); min-width: 110px; }
th { color: var(--sub); font-weight: 600; }
.card { padding: 16px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); margin: 14px 0; }
.links { display: grid; gap: 10px; margin-top: 18px; }
.links a { display: block; padding: 14px 16px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line); color: var(--text); text-decoration: none; font-weight: 600; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 14px; background: linear-gradient(135deg, var(--brand1), var(--brand2)); color: #fff; text-decoration: none; font-weight: 700; }
footer { margin-top: 48px; color: var(--sub); font-size: 13px; }