:root{--bg: #0d1117;--panel: #161b22;--line: #2d333b;--text: #e6edf3;--muted: #8b949e;--accent: #e3b341;--danger: #f85149;--ok: #3fb950;--radius: 12px;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif}body{background:radial-gradient(900px 300px at 18% -60px,rgba(227,179,65,.06),transparent 60%),radial-gradient(800px 360px at 88% -80px,rgba(31,111,235,.07),transparent 60%),var(--bg);background-attachment:fixed}a{color:var(--accent);text-decoration:none}h1,h2,h3,h4{line-height:1.35}::selection{background:rgba(227,179,65,.32)}*:focus-visible{outline:2px solid rgba(227,179,65,.55);outline-offset:2px;border-radius:4px}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#2c333c;border-radius:8px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:#3d4651}::-webkit-scrollbar-track{background:transparent}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}button{font-family:inherit}button:active{transform:translateY(1px)}input,select,textarea{font-family:inherit}