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p{font-size:1rem;color:#6c757d;margin-left:2rem;margin-bottom:0}@media(max-width:576px){.container{padding-left:0!important;padding-right:0!important}.topic-content{max-width:100%!important;padding:0;margin:0;box-shadow:none;border-radius:0}.topic-banner{padding:1rem;border-radius:0;margin-bottom:1.5rem}.topic-title{font-size:2rem}.topic-description{font-size:1rem;line-height:1.5;margin:0;max-width:100%;padding:0 1rem}.lesson-title{font-size:1.2rem;flex-direction:column;align-items:flex-start}.list-group-item{border-left:none;border-right:none;border-radius:0}.list-group-item p{margin-left:0;text-align:left}}.markdown-body table{width:100%;table-layout:fixed;border-collapse:collapse}.markdown-body th,.markdown-body td{padding:.75rem;text-align:left;word-break:break-word}.markdown-body p>img{display:block;margin-left:auto;margin-right:auto;max-width:100%;height:auto}.markdown-body iframe{width:100%;height:400px;border-radius:8px;margin:1rem 0}.markdown-body img{max-width:100%;height:auto;border-radius:8px;margin:1rem 0}.markdown-body h2,.markdown-body h3{color:#2c3e50;margin-top:2rem;border-bottom:1px solid #ddd;padding-bottom:.3rem}.lesson-section{padding:15px;margin-bottom:20px;border-radius:8px}.key-action{background-color:#f0f8ff;border-left:5px solid #007185;padding:15px;margin:15px 0;font-size:1.1em}.important-note{background-color:#fffacd;border:1px solid #ffcc00;padding:10px;margin:10px 0;border-radius:5px;font-weight:700;color:#333}.highlight{color:#c45500;font-weight:700}.custom-key-action{background-color:#f0f8ff;border-left:5px solid #007185;padding:15px;margin:15px 0;border-radius:8px}.custom-important-note{background-color:#fffacd;border-left:5px solid #ffcc00;padding:15px;margin:15px 0;border-radius:8px;font-weight:700}.video-container{position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;margin-bottom:20px}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%}img{max-width:100%;height:auto}.video-container-wrapper{max-width:100%;margin:0 auto;padding:0}@media(max-width:991.98px){.video-container-wrapper{max-width:100%}}@media(max-width:575.98px){.video-container-wrapper{max-width:100%;margin:0;padding:0 1rem}}.responsive-video-box{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px;box-shadow:0 4px 12px #00000026;background-color:#fff}.responsive-video-box iframe{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;height:100%;border:none}.iframe-container-wrapper{display:flex;justify-content:center}.responsive-iframe-box iframe{max-width:100%;border-radius:8px;box-shadow:0 0 12px #0000001a}.lesson-scroll-area{scrollbar-width:none}.lesson-scroll-area::-webkit-scrollbar{display:none}table{width:100%;border-collapse:collapse;margin:1rem 0}th,td{border:1px solid #ccc;padding:.75rem;text-align:left}th{background-color:#f0f0f0}