/* 为独立课件提供站内导航，保留原课件样式与交互。 */
.academy-course-nav,.academy-course-footer{box-sizing:border-box;max-width:1180px;margin:0 auto;padding:18px 20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;background:#101828;color:#e8eefb;font:14px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}
.academy-course-nav{border-bottom:1px solid #26324d}.academy-course-footer{border-top:1px solid #26324d;margin-top:30px;margin-bottom:30px}
.academy-course-nav a,.academy-course-footer a{color:#8ddce8;text-decoration:none;padding:6px 0;min-height:36px}
.academy-course-nav a:hover,.academy-course-footer a:hover{text-decoration:underline}
.academy-course-nav a:focus-visible,.academy-course-footer a:focus-visible{outline:2px solid #ff9f1c;outline-offset:4px}
@media(max-width:640px){.academy-course-footer{flex-direction:column}.academy-course-nav{font-size:12px}.academy-course-nav a{display:flex;align-items:center;min-height:44px}}
/* 宽内容在自身区域内滚动，正文与移动页面保持可读宽度。 */
body pre{max-width:100%;overflow-x:auto}body img,body video{max-width:100%;height:auto}
body pre.code{max-width:100%;overflow-x:auto}
body :not(pre)>code{white-space:normal;overflow-wrap:anywhere}
@media(max-width:760px){body .wrap,body main,body .block,body .card,body .acc,body .acc-body{min-width:0}body .block{overflow-x:auto}body .card,body .acc-body{overflow-wrap:anywhere}body .grid,body .grid2,body .grid3{min-width:0}body .grid>*,body .grid2>*,body .grid3>*{min-width:0}}
@media(max-width:760px){body .wrap{overflow-x:clip}}