*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1117;--panel: #171a23;--panel-2: #1f2430;--border: #2a3040;--text: #e6e9ef;--text-dim: #8b93a7;--primary: #4f8cff;--primary-hover: #6b9dff;--success: #28a745;--danger: #dc3545;--radius: 10px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit}.btn{padding:8px 16px;border:none;border-radius:var(--radius);font-size:14px;background:var(--panel-2);color:var(--text);transition:background .15s}.btn:hover{background:var(--border)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;color:var(--text-dim)}.input,.textarea,.select{padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-2);color:var(--text);font-size:14px;outline:none}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary)}.textarea{resize:vertical;min-height:120px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.muted{color:var(--text-dim);font-size:13px}.error{color:var(--danger);font-size:13px}.success{color:var(--success);font-size:13px}