:root { --bg: #0b0c10; --panel: #15171e; --line: #2a2e3a; --text: #e6e4dc; --dim: #9a9ca6; --gold: #ffc040; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
main, header, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; gap: 14px; padding-top: 28px; padding-bottom: 8px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: 0.02em; }
header span { display: block; color: var(--dim); font-size: 13px; font-weight: 400; }
nav { max-width: 760px; margin: 0 auto; padding: 0 16px 8px; display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--gold); font-size: 14px; }
h1 { font-size: 26px; line-height: 1.25; margin: 24px 0 8px; }
h2 { font-size: 19px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 20px 0 4px; }
p, li { color: var(--text); }
.dim, small { color: var(--dim); }
a { color: var(--gold); }
ul { padding-left: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 16px 0; }
.lang { margin-top: 40px; }
footer { color: var(--dim); font-size: 13px; padding-top: 32px; padding-bottom: 40px; }