feat: add real swipe playback and episode selection

src/enterprise.css

@@ -1,2 +1,3 @@
 /* Author: fruit.com.cn */
+.episode-picker{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.episode-picker-heading{display:flex;align-items:center;gap:10px;margin-bottom:14px}.episode-picker-heading h2{margin:0;font:700 20px Outfit}.episode-picker-heading span{display:grid;place-items:center;min-width:24px;height:24px;border-radius:50%;background:#292929;color:#aaa;font-size:11px}.episode-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.episode-button{display:flex;align-items:center;gap:8px;min-height:48px;padding:8px 10px;border:1px solid #373737;border-radius:9px;background:#181818;color:#ddd;text-align:left;cursor:pointer}.episode-button:hover,.episode-button.active{border-color:#ff786f;background:#3a2223;color:#fff}.episode-button b{font-size:16px;color:#ff786f}.episode-button span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.episode-button small{margin-left:auto}.episode-button.locked{opacity:.72}@media(max-width:760px){.episode-grid{grid-template-columns:repeat(3,1fr)}.episode-button{min-width:0;padding:8px}.episode-button span{display:none}.episode-button b{margin:auto}}
 .sidebar nav a.active{background:#272727;color:#fff}.media-card{min-width:0}.media-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:10px;background:#222}.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s}.media-thumb:hover img{transform:scale(1.04)}.media-thumb b{position:absolute;right:7px;bottom:7px;padding:3px 6px;background:#000c;border-radius:4px;font-size:11px}.thumb-play{position:absolute;inset:0;display:grid;place-items:center;opacity:0;background:#0007;transition:opacity .2s}.media-thumb:hover .thumb-play{opacity:1}.media-meta{display:flex;gap:9px;padding-top:9px}.media-title{display:block;color:#fff;font-weight:600;line-height:1.4}.media-meta small{display:block;color:#999;font-size:11px;line-height:1.45;margin-top:4px}.media-card.compact{flex:0 0 150px}.media-card.compact .media-meta{display:none}.shorts-row .media-thumb{aspect-ratio:9/14;border-radius:11px}.shorts-row .media-thumb b,.shorts-row .thumb-play{display:none}.watch-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px}.player{position:relative;aspect-ratio:16/9;background:#050505;border-radius:12px;overflow:hidden}.player img{width:100%;height:100%;object-fit:cover;filter:brightness(.7)}.player button{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:64px;height:64px;border:0;border-radius:50%;background:#fff;color:#111;font-size:24px;cursor:pointer}.watch-title{margin:18px 0 8px;font:700 28px Outfit}.watch-subtitle{color:#999}.up-next h2{margin:0 0 16px;font:700 21px Outfit}.up-next .media-card{margin-bottom:16px}.up-next .channel-avatar{display:none}.up-next .media-title{font-size:13px}.up-next .media-meta small{font-size:10px}.empty-state{padding:40px;color:#999}@media(max-width:900px){.watch-layout{grid-template-columns:1fr}.up-next{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.up-next h2{grid-column:1/-1}}@media(max-width:760px){.media-card.compact{flex:0 0 130px}.watch-title{font-size:22px}.up-next{display:block}.up-next .media-card{margin-bottom:14px}.up-next .media-thumb{width:42%;display:inline-block;vertical-align:top}.up-next .media-meta{display:inline-flex;width:54%;vertical-align:top;padding-left:8px;padding-top:0}}