*,:after,:before{box-sizing:border-box}:root{--color-primary:#1e3a5f;--color-primary-dark:#142943;--color-primary-light:#e6edf6;--color-bg:#f6f8fb;--color-surface:#fff;--color-border:#e2e8f0;--color-border-strong:#cbd5e1;--color-text:#0f172a;--color-text-muted:#64748b;--color-danger:#dc2626;--color-success:#15803d;--color-warning:#b45309;--color-include-bg:#dcfce7;--color-include-fg:#15803d;--color-exclude-bg:#f1f5f9;--color-exclude-fg:#64748b;--color-review-bg:#fef9c3;--color-review-fg:#a16207;--radius:10px;--radius-sm:6px;--shadow-sm:0 1px 3px rgba(0,0,0,.06);--shadow-md:0 4px 12px rgba(0,0,0,.08)}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--color-text);background:var(--color-bg);line-height:1.5;-webkit-text-size-adjust:100%}@media (max-width:768px){input,select,textarea{font-size:16px!important}}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.vat-shell{display:flex;flex-direction:column;min-height:100vh}.vat-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:14px 24px;box-shadow:var(--shadow-sm);position:-webkit-sticky;position:sticky;top:0;z-index:10}.vat-brand{display:flex;align-items:center;gap:14px;max-width:1400px;margin:0 auto}.vat-brand-mark{background:var(--color-primary);color:#fff;width:40px;height:40px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;letter-spacing:.02em}.vat-brand-title{font-weight:700;font-size:16px;color:var(--color-primary)}.vat-brand-sub{font-size:12px;color:var(--color-text-muted)}.vat-main{flex:1 1;max-width:1400px;width:100%;margin:0 auto;padding:28px 24px}.vat-footer{border-top:1px solid var(--color-border);padding:14px 24px;font-size:12px;color:var(--color-text-muted);text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s;font-family:inherit}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--color-text);border-color:var(--color-border-strong)}.btn-ghost:hover{background:var(--color-bg)}.btn-danger{background:var(--color-danger);color:#fff}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}.card-title{font-size:18px;font-weight:700;color:var(--color-primary);margin:0 0 6px}.card-sub{color:var(--color-text-muted);font-size:13px;margin:0 0 18px}input,select,textarea{padding:10px 12px;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);font-size:14px;color:var(--color-text);background:var(--color-surface);outline:none;font-family:inherit}input:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(30,58,95,.15)}label{display:block;font-size:13px;color:var(--color-text);margin-bottom:6px}.tag,label{font-weight:600}.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px}.tag-include{background:var(--color-include-bg);color:var(--color-include-fg)}.tag-exclude{background:var(--color-exclude-bg);color:var(--color-exclude-fg)}.tag-review{background:var(--color-review-bg);color:var(--color-review-fg)}