:root{--color-bg:#f3f6f4;--color-bg-elevated:#fff;--color-ink:#14201c;--color-ink-muted:#5a6b64;--color-accent:#0f766e;--color-accent-soft:#ccfbf1;--color-accent-hover:#0d9488;--color-border:#d5e0db;--color-danger:#b42318;--color-danger-soft:#fef3f2;--color-success:#067647;--font-sans:"DM Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono:"IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;--radius:12px;--shadow:0 1px 2px #14201c0a, 0 8px 24px #14201c0f;--max:1080px}*,:after,:before{box-sizing:border-box}body,html{min-height:100%;font-family:var(--font-sans);color:var(--color-ink);background:radial-gradient(1200px 500px at 10% -10%,#d8f3ec 0,transparent 55%),radial-gradient(900px 420px at 100% 0,#e8eef6 0,transparent 50%),var(--color-bg);-webkit-font-smoothing:antialiased;margin:0;padding:0}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}button,input,select,textarea{font:inherit}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}