/* 红色波浪线 */
.monaco-editor .wave-decoration {background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 4'%3E%3Cpath fill='none' stroke='%23FF0000' d='M0 3.5c5 0 5-3 10-3s5 3 10 3 5-3 10-3 5 3 10 3'/%3E%3C/svg%3E") repeat-x 0 100%; background-size: 8px 4px; background-color: white;}

/* 半透明黄色 */
.monaco-editor .yellow-decoration {background-color: rgba(255, 255, 0, 0.2);}
