/* 本课局部覆盖；不影响前三课。 */
.slide .concept-layout.with-code { display:block; }
.slide .term-note { margin:22px 0; padding:16px 22px; border-left:4px solid #177f73; background:#f0f8f5; border-radius:10px; }
.slide .term-note h3 { margin:0 0 8px; font-size:23px; }
.slide .term-note p { margin:0; font-size:21px; }
.slide .visible-url { overflow-wrap:anywhere; font-size:18px; }
.slide .code-playground { min-width:0; }
.slide .play-editor textarea,.slide .play-colors { font-size:21px; line-height:1.5; }
.slide .page-nav { position:static; inset:auto; margin-top:28px; clear:both; }
.slide .review-comparison { display:block; }
.slide .review-comparison article { margin:16px 0; }
@media(max-width:820px) { .slide .term-note p {font-size:18px;} .slide .play-editor textarea,.slide .play-colors {font-size:17px;} }