.hwd-rsg{position:relative;max-width:100%;margin:16px 0;}
.hwd-rsg-stage{position:relative;overflow:hidden;border-radius:14px;}
.hwd-rsg-slide{display:none;position:relative;}
.hwd-rsg-slide.is-active{display:block;}
.hwd-rsg-media img{width:100%;height:auto;display:block;}
.hwd-rsg-caption{position:absolute;left:0;right:0;bottom:0;padding:12px;background:rgba(0,0,0,.45);color:#fff;}
.hwd-rsg-prev,.hwd-rsg-next{position:absolute;top:50%;transform:translateY(-50%);border:none;background:rgba(0,0,0,.45);color:#fff;width:44px;height:44px;border-radius:999px;font-size:26px;cursor:pointer;}
.hwd-rsg-prev{left:10px;}
.hwd-rsg-next{right:10px;}
.hwd-rsg-dots{display:flex;gap:8px;justify-content:center;margin-top:10px;}
.hwd-rsg-dot{width:10px;height:10px;border-radius:999px;border:none;background:#bbb;cursor:pointer;}
.hwd-rsg-dot.is-active{background:#333;}
.hwd-rsg-toc{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px;}
.hwd-rsg-toc.is-sticky{position:sticky;top:0;z-index:30;background:#fff;padding:8px;border:1px solid #eee;border-radius:12px;}
.hwd-rsg-chapter{border:1px solid #ddd;background:#fff;padding:6px 10px;border-radius:999px;cursor:pointer;}
.hwd-rsg-debug{background:#fff;border:1px dashed #ddd;padding:8px;margin-top:8px;overflow:auto;}
/* v1.1.0: fixed stage sizing to prevent page jumping with mixed-dimension slides */
.hwd-rsg-stage{max-height:70vh;}
.hwd-rsg-media{height:100%;}
.hwd-rsg-media img{max-height:70vh;object-fit:contain;}
.hwd-rsg-video-el{width:100%;max-height:70vh;}
.hwd-rsg-video-transform{position:relative;height:100%;}
.hwd-rsg-vt-poster{width:100%;max-height:70vh;object-fit:contain;display:block;}
.hwd-rsg-vt-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:none;background:rgba(0,0,0,.55);color:#fff;width:64px;height:64px;border-radius:999px;font-size:26px;cursor:pointer;z-index:5;}
.hwd-rsg-vt-icon{position:relative;left:2px;}

/* v1.1.1: audio button overlay + more readable message area */
.hwd-rsg{position:relative;}
.hwd-rsg-stage{position:relative;}
.hwd-rsg-audio{position:absolute;right:12px;top:12px;z-index:60;}
.hwd-rsg-audio-toggle{border:none;background:rgba(0,0,0,.55);color:#fff;width:44px;height:44px;border-radius:999px;font-size:18px;cursor:pointer;}
.hwd-rsg-caption{min-height:72px;}
.hwd-rsg-desc{max-height:140px;overflow:auto;}