:root{--bg:#fafafa;--bg-card:#fff;--bg-hover:#f5f5f5;--bg-tag:#f0f0f0;--text:#1a1a1a;--text-muted:#666;--text-faint:#999;--border:#eaeaea;--accent:#000;--accent-text:#fff;--shadow:0 1px 3px rgba(0,0,0,.04);--shadow-lg:0 8px 24px rgba(0,0,0,.08);--radius:12px}[data-theme=dark]{--bg:#0d0d10;--bg-card:#17171b;--bg-hover:#1f1f24;--bg-tag:#25252b;--text:#ededf0;--text-muted:#9a9aa3;--text-faint:#5a5a63;--border:#25252b;--accent:#ededf0;--accent-text:#0d0d10;--shadow:0 1px 3px rgba(0,0,0,.3);--shadow-lg:0 8px 24px rgba(0,0,0,.4)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;transition:background .2s ease,color .2s ease}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}