:root{--surface: #f7f8fa;--surface-raised: #ffffff;--surface-sunken: #eef0f3;--border: #e3e6ea;--text: #14161a;--text-muted: #646b76;--tone-neutral: #8a919c;--tone-info: #2563eb;--tone-positive: #16a34a;--tone-warning: #d97706;--tone-danger: #dc2626;--chip-info-bg: #eef4ff;--chip-info-fg: #2563eb;--chip-neutral-bg: #eef0f3;--chip-neutral-fg: #646b76;--chip-warn-bg: #fff6e6;--chip-warn-fg: #b45309;--brand-ink: #0e1524;--brand-spark: #5b8dff;--side-width: 220px;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.55;color:var(--text);background:var(--surface);-webkit-font-smoothing:antialiased}a{color:var(--tone-info);text-decoration:none}a:hover{color:#1d4ed8}button.btn{appearance:none;font:inherit;font-size:13px;padding:8px 15px;border-radius:7px;border:1px solid var(--border);background:var(--surface-raised);color:var(--text);cursor:pointer}button.btn:hover:not(:disabled){background:var(--surface-sunken)}button.btn:disabled{opacity:.5;cursor:not-allowed}button.btn--primary{border-color:var(--tone-info);background:var(--tone-info);color:#fff;font-weight:600}button.btn--primary:hover:not(:disabled){background:#1d4ed8}input.field,select.field,textarea.field{font:inherit;font-size:14px;padding:10px 12px;border-radius:7px;border:1px solid var(--border);background:var(--surface-raised);color:var(--text);width:100%}input.field:focus,textarea.field:focus{outline:2px solid var(--brand-spark);outline-offset:-1px;border-color:transparent}.card{background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius)}.k{font-size:12px;color:var(--text-muted)}.chip{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:999px;font-size:11px;font-weight:600}