html, body { margin: 0; padding: 0; background: #0b0d12; color: #e6e8ee; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans", sans-serif; line-height: 1.65; }
#doc-root { max-width: 820px; margin: 40px auto; padding: 0 20px 80px; }
.lang-bar { font-size: 13px; margin-bottom: 18px; opacity: 0.9; }
h1 { font-size: 28px; margin: 0 0 8px; color: #fff; }
h2 { font-size: 18px; margin: 28px 0 10px; color: #fff; }
p, li { color: #cfd3dc; }
.subtitle { color: #9aa; margin: 0 0 6px; }
.updated { color: #6c7280; font-size: 13px; margin: 0 0 20px; }
hr { border: 0; border-top: 1px solid rgba(255,255,255,0.08); margin: 24px 0; }
ul { padding-left: 22px; }
.footer { font-size: 12px; color: #8a8f99; }
a { color: #79b8ff; }