.theme-fragment{display:contents}.legacy-content{overflow-wrap:anywhere}.legacy-content:empty{display:none}.legacy-content table{max-width:100%;overflow-x:auto}.entry-body,.pt-cv-colwrap{overflow-wrap:anywhere;min-width:0}.entry-body .legacy-content{--theme-content-spacing:1.5em}.entry-cover img{width:100%;height:auto}.wp-video{max-width:100%}.wp-video>.video-placeholder{margin-bottom:0}.breadcrumbs{color:var(--theme-text-color);gap:10px;margin-bottom:20px;font-size:13px;display:flex}.taxonomy-links:not(.entry-meta){flex-wrap:wrap;gap:12px;display:flex}.entry-columns,.lesson-columns{grid-template-columns:minmax(0,3fr) minmax(220px,1fr);gap:40px;display:grid}.related-topics{font-size:14px}.related-topics h2{font-size:20px}.related-topics a{margin-bottom:12px;display:block}.lesson-sidebar{min-width:0}.lesson-sidebar h2{font-size:20px}.lesson-sidebar .llms-lesson-preview .llms-extra{display:none}.lesson-sidebar .llms-lesson-preview .llms-main{width:100%}.lesson-sidebar .llms-lesson-preview .llms-lesson-title{font-size:14px}.lesson-sidebar .llms-section-title{font-size:17px}.pagination:not(.pt-cv-pagination),.lesson-pagination{border-top:1px solid var(--theme-border-color);justify-content:space-between;gap:20px;margin-top:40px;padding-top:20px;font-size:14px;display:flex}.search-form{max-width:520px;margin-bottom:30px}.search-form>div{gap:10px;display:flex}.result-count{font-size:13px}.restored-player-panel{color:inherit;padding:15px}.castos-player button:disabled{cursor:default}.castos-player audio{display:none}.castos-player .ssp-progress:focus-visible{outline-offset:4px;outline:2px solid}.llms-loop-list .content-card{min-width:0}.llms-loop-list .llms-featured-image{width:100%;height:auto}.llms-lesson-link[aria-current=page]{outline:2px solid var(--theme-palette-color-1);outline-offset:2px}.ct-header .menu-item:focus-within>.sub-menu,.ct-header .menu-item:hover>.sub-menu{opacity:1;visibility:visible;pointer-events:auto}.mobile-menu .menu-item-open>.sub-menu{display:block}.ct-panel[aria-hidden=true]{visibility:hidden;pointer-events:none}.ct-panel.active[aria-hidden=false]{visibility:visible;opacity:1;pointer-events:auto}@media (max-width:999.98px){.entry-columns,.lesson-columns{grid-template-columns:minmax(0,1fr)}}@media (max-width:689.98px){.entry-header .page-title{overflow-wrap:anywhere}}.video-placeholder,.video-embed{aspect-ratio:16/9;background:#182c43;width:100%;margin-bottom:28px;position:relative;overflow:hidden}.video-placeholder>img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0;margin:0!important}.video-placeholder:after{content:"";pointer-events:none;background:linear-gradient(#05112014,#0511209e);position:absolute;inset:0}.video-placeholder-title{z-index:1;text-align:center;color:#fff;text-shadow:0 2px 8px #102132;justify-content:center;align-items:center;font-size:clamp(16px,2.1vw,30px);font-weight:650;line-height:1.5;display:flex;position:absolute;inset:18% 10% 26%}.video-play{z-index:1;color:#fff;border:1px solid #ffffff9c;border-radius:50%;place-items:center;width:40px;height:40px;font-size:14px;display:grid;position:absolute;bottom:12%;left:calc(50% - 20px)}.video-duration{z-index:1;color:#fff;background:#0009;padding:1px 6px;font-size:12px;position:absolute;bottom:10px;right:12px}.video-embed iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.podcast-player{width:100%;margin-bottom:28px}.legacy-book{vertical-align:top;color:inherit}.legacy-book img{margin:0}.legacy-book:focus-visible{outline:2px solid var(--theme-palette-color-1);outline-offset:5px}.ebooks-library{margin-top:60px}.ebook-section{border-top:1px solid var(--theme-border-color);margin-bottom:48px;padding-top:32px}.ebook-section h3{margin-bottom:30px}.ebook-covers{grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 20px;display:grid}.ebook-covers button.legacy-book{width:140px;height:auto;min-height:200px;color:inherit;box-shadow:none;text-transform:none;white-space:normal;text-align:left;background:0 0;border:0;border-radius:0;margin:16px 20px;padding:0;display:block}.ebook-covers .df-book-wrapper,.ebook-covers .df-book-cover{display:block}.ebook-covers img{aspect-ratio:210/297;object-fit:cover;width:100%;height:auto;display:block}.dt-container{min-width:0}.dt-scroll{max-width:100%}@media (max-width:689.98px){.ebooks-library{margin-top:40px}.ebook-covers{grid-template-columns:minmax(0,1fr);gap:0}.ebook-covers button.legacy-book{width:calc(100% - 30px);min-height:0;margin:30px 15px 15px!important}}.ebooks-protected .df-lightbox-wrapper,.ebooks-library img{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}@media print{html.ebooks-protected body{display:none!important}}.video-bilibili-link{text-align:right;margin:-16px 0 28px}.video-bilibili-link a{background:#00a1d6;border-radius:4px;padding:6px 14px;text-decoration:none;display:inline-block;color:#fff!important}