/* ===== 学员作品页 · 顶部点播台（2026-10-29 轩哥，按白林设计稿 player_mockup 实现）=====
   状态：.pl[data-state] = idle（循环快闪）| grid（悬停选片 3×4）| play（单条播放）
   手机 / 触屏：.pl-box.is-m；点一下打开 .pl-list（两列下滑），点卡片在上面的播放框里播。
   水印：CSS 叠加层「© 陶婶动画 · 学员作品」（.pl-wm），正式烧录水印等陶sir 看样后再做。 */
.pl-box{position:relative;--cols:4;--rows:3;--ease:cubic-bezier(.2,.7,.2,1)}
.pl-note{display:flex;justify-content:flex-end;margin:-24px 0 8px}.pl-note .tbd{font-size:11.5px;white-space:normal}
.pl{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#0d0d0f;color:#fff;
  box-shadow:0 30px 80px rgba(0,0,0,.5);outline:1px solid rgba(255,255,255,.08);isolation:isolate;user-select:none;-webkit-tap-highlight-color:transparent}
.pl:focus-visible{outline:2px solid rgba(255,255,255,.7);outline-offset:3px}
.pl .ic{width:18px;height:18px;flex:none;display:block}
.pl button{color:#fff;font:inherit;cursor:pointer}
.pl video{position:absolute;inset:0;width:100%;height:100%;display:block;background:#0d0d0f}
.pl-reel{object-fit:cover;z-index:0;transition:filter .5s var(--ease),transform .7s var(--ease),opacity .4s}
.pl-one{object-fit:contain;z-index:1;opacity:0;visibility:hidden;transition:opacity .35s}
.pl:before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.28),transparent 24%,transparent 68%,rgba(0,0,0,.55))}
.pl-scrim{position:absolute;inset:0;z-index:2;opacity:0;pointer-events:none;transition:opacity .4s;
  background:linear-gradient(180deg,rgba(8,8,9,.72),rgba(8,8,9,.55) 40%,rgba(8,8,9,.8))}
.pl-logo{position:absolute;left:22px;top:20px;height:26px;width:auto;opacity:.55;z-index:3;pointer-events:none;transition:opacity .3s}
/* 水印：沿用框架 .vid 水印的字样和样式 */
.pl-wm{position:absolute;right:76px;bottom:35px;z-index:6;pointer-events:none;white-space:nowrap;
  font:500 12px/1 var(--font-sans);letter-spacing:.06em;color:rgba(255,255,255,.55);text-shadow:0 1px 2px rgba(0,0,0,.6);transition:bottom .3s,right .3s}
/* 各状态的 UI 层 */
.pl-a,.pl-b,.pl-c,.pl-m{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .35s,visibility 0s .35s}
.pl-a{z-index:4}.pl-b{z-index:5}.pl-c{z-index:5}.pl-m{z-index:5}
.pl[data-state=idle] .pl-a,.pl[data-state=grid] .pl-b,.pl[data-state=play] .pl-c{opacity:1;visibility:visible;transition:opacity .35s,visibility 0s}
/* ---- idle ---- */
.pl-tag{position:absolute;right:22px;top:24px;display:flex;gap:8px;align-items:center;font:600 11px/1 var(--font-sans);letter-spacing:.22em;color:rgba(255,255,255,.62)}
.pl-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);animation:plblink 1.6s ease-in-out infinite}
@keyframes plblink{50%{opacity:.35}}
.pl-hint{position:absolute;left:24px;bottom:30px;display:flex;align-items:center;font-size:13px;color:rgba(255,255,255,.85);
  background:rgba(10,10,11,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:8px 14px 8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.14);transition:background .2s}
.pl-hint:hover{background:rgba(10,10,11,.7)}
.pl-hint span{display:flex;align-items:center;gap:10px}.pl-hint .ic{width:16px;height:16px}.pl-hint .m{display:none}
.pl-rbtn{position:absolute;right:20px;bottom:22px;width:38px;height:38px;border-radius:50%;background:rgba(10,10,11,.45);border:1px solid rgba(255,255,255,.16);display:grid;place-items:center}
.pl-prog{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.14)}
.pl-prog b{display:block;height:100%;width:100%;background:var(--c-accent);transform-origin:0 50%;transform:scaleX(0)}
.pl.no-mute .pl-wm{right:22px}
/* ---- grid（悬停）---- */
.pl[data-state=grid] .pl-reel{filter:blur(14px) brightness(.8);transform:scale(1.06)}
.pl[data-state=grid] .pl-scrim{opacity:1}
.pl[data-state=grid] .pl-logo,.pl[data-state=play] .pl-logo{opacity:0}
.pl[data-state=grid] .pl-wm{bottom:16px;right:20px;color:rgba(255,255,255,.4)}
.pl-ov{position:absolute;inset:0;padding:0 64px;display:flex;flex-direction:column;justify-content:center}
.pl-ovh{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.pl-ovh h3,.pl-lh h3{font:700 22px/1.2 var(--font-display);letter-spacing:.02em;color:#fff}
.pl-ovh h3 small{font:400 13px/1 var(--font-sans);color:rgba(255,255,255,.55);margin-left:12px;letter-spacing:0}
.pl-pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);white-space:nowrap;transition:background .2s,border-color .2s}
.pl-pill:hover,.pl-pill:focus-visible{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);outline:none}
.pl-pill .ic{width:15px;height:15px}
.pl-grid{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:14px 16px;transition:opacity .25s,transform .35s var(--ease)}
.pl-grid.out-l{opacity:0;transform:translateX(-28px)}.pl-grid.out-r{opacity:0;transform:translateX(28px)}
.pl-grid.in{transition:none}
/* 卡片（选片格 / 手机列表共用） */
.pl-card-ph{display:block;aspect-ratio:16/9;visibility:hidden}
.pl-card{position:relative;display:block;width:100%;aspect-ratio:16/9;border-radius:6px;overflow:hidden;background:#222;padding:0;border:0;
  outline:1px solid rgba(255,255,255,.07);text-align:left;color:#fff;transition:transform .25s var(--ease),box-shadow .25s,outline-color .2s}
.pl-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.82) saturate(.92);transition:filter .25s}
.pl-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),transparent 30%,transparent 48%,rgba(0,0,0,.8));pointer-events:none}
.pl-card .no{position:absolute;left:9px;top:8px;z-index:1;font:600 10.5px/1 var(--font-latin);letter-spacing:.12em;color:rgba(255,255,255,.75)}
.pl-card .nm{position:absolute;left:10px;bottom:9px;right:52px;z-index:1;font-size:13.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-card .du{position:absolute;right:8px;bottom:8px;z-index:1;font:500 11px/1 var(--font-latin);background:rgba(0,0,0,.6);padding:4px 6px;border-radius:3px}
.pl-card .pi{position:absolute;left:50%;top:44%;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:var(--c-accent);z-index:1;
  box-shadow:0 6px 18px rgba(228,68,47,.45);display:grid;place-items:center;opacity:0;transform:scale(.7);transition:opacity .2s,transform .25s var(--ease)}
.pl-card .pi .ic{width:18px;height:18px;margin-left:3px}
.pl-card.on{outline:2px solid var(--c-accent)}
@media (hover:hover){
 .pl-card:hover,.pl-card:focus-visible{outline:2px solid #fff;outline-offset:0;transform:scale(1.04);box-shadow:0 12px 30px rgba(0,0,0,.6);z-index:2}
 .pl-card:hover img,.pl-card:focus-visible img{filter:none}
 .pl-card:hover .pi,.pl-card:focus-visible .pi{opacity:1;transform:none}
}
.pl-pager{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:22px;font:500 12px/1 var(--font-latin);color:rgba(255,255,255,.5)}
.pl-pager[hidden]{display:none}
.pl-dots{display:flex;gap:4px}
.pl-dots button{width:16px;height:16px;padding:0;border:0;background:none;display:grid;place-items:center}
.pl-dots button:before{content:"";width:6px;height:6px;border-radius:3px;background:rgba(255,255,255,.28);transition:width .25s var(--ease),background .2s}
.pl-dots button.on{width:26px}.pl-dots button.on:before{width:20px;background:#fff}
.pl-arrow{position:absolute;top:50%;width:38px;height:38px;margin-top:-6px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);transition:background .2s,opacity .2s}
.pl-arrow:hover:not(:disabled){background:rgba(255,255,255,.2)}
.pl-arrow .ic{width:16px;height:16px}.pl-arrow.l{left:14px}.pl-arrow.r{right:14px}
.pl-arrow:disabled{opacity:.3;cursor:default}
.pl-arrow[hidden]{display:none}
/* ---- play（单条）---- */
.pl[data-state=play] .pl-one{opacity:1;visibility:visible}
.pl[data-state=play] .pl-reel{opacity:0}
.pl[data-state=play] .pl-wm{bottom:62px;right:22px}
.pl-top{position:absolute;left:0;right:0;top:0;display:flex;align-items:center;gap:16px;padding:18px 22px 30px;background:linear-gradient(180deg,rgba(0,0,0,.6),transparent);transition:opacity .3s}
.pl-back{display:flex;align-items:center;gap:6px;font-size:13.5px;padding:8px 14px 8px 10px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);transition:background .2s;white-space:nowrap}
.pl-back:hover,.pl-back:focus-visible{background:rgba(255,255,255,.24);outline:none}
.pl-back .ic{width:16px;height:16px}
.pl-title{font-size:15px;font-weight:500;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-title i{font:500 12px/1 var(--font-latin);font-style:normal;letter-spacing:.14em;color:rgba(255,255,255,.55);margin-right:10px}
.pl-title small{font-size:12.5px;color:rgba(255,255,255,.5);margin-left:10px}
.pl-logo2{margin-left:auto;height:24px;width:auto;opacity:.55;flex:none}
.pl-big{position:absolute;inset:64px 0 64px;background:none;border:0;cursor:pointer}
.pl-bar{position:absolute;left:0;right:0;bottom:0;padding:40px 22px 16px;background:linear-gradient(transparent,rgba(0,0,0,.72));display:flex;align-items:center;gap:16px;font:500 12.5px/1 var(--font-latin);transition:opacity .3s}
.pl-ib{width:30px;height:30px;padding:0;border:0;background:none;display:grid;place-items:center;border-radius:6px;flex:none}
.pl-ib:hover,.pl-ib:focus-visible{background:rgba(255,255,255,.12);outline:none}
.pl-ib .ic+.ic{display:none}
.pl.paused .pl-ib[data-toggle] .ic{display:none}.pl.paused .pl-ib[data-toggle] .ic+.ic{display:block}
.pl.muted .pl-ib[data-vol] .ic{display:none}.pl.muted .pl-ib[data-vol] .ic+.ic{display:block}
.pl-time{white-space:nowrap;font-variant-numeric:tabular-nums;color:rgba(255,255,255,.9)}
.pl-track{flex:1;height:18px;position:relative;cursor:pointer;touch-action:none}
.pl-track:before,.pl-track i,.pl-track b{content:"";position:absolute;left:0;top:7px;height:4px;border-radius:2px}
.pl-track:before{right:0;background:rgba(255,255,255,.2)}
.pl-track i{background:rgba(255,255,255,.22);width:0}
.pl-track b{background:var(--c-accent);width:0}
.pl-track b:after{content:"";position:absolute;right:-6px;top:-4px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.4)}
.pl-track:focus-visible{outline:none}.pl-track:focus-visible b:after{box-shadow:0 0 0 4px rgba(255,255,255,.3)}
.pl-next{font:12.5px/1 var(--font-sans);color:rgba(255,255,255,.78);white-space:nowrap;background:none;border:0;padding:6px 4px;max-width:14em;overflow:hidden;text-overflow:ellipsis}
.pl-next:hover,.pl-next:focus-visible{color:#fff;outline:none}
.pl.idle-ui:not(.paused) .pl-top,.pl.idle-ui:not(.paused) .pl-bar{opacity:0}
.pl.idle-ui:not(.paused){cursor:none}
.pl.idle-ui:not(.paused) .pl-wm{bottom:22px}
/* 播完：下一个（参考 B 站片尾推荐） */
.pl-end{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:rgba(8,8,9,.62);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.pl-end[hidden]{display:none}
.pl-end-k{font-size:13px;letter-spacing:.2em;color:rgba(255,255,255,.6)}
.pl-end-card{display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:10px 22px 10px 10px;text-align:left;transition:background .2s,border-color .2s}
.pl-end-card:hover,.pl-end-card:focus-visible{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);outline:none}
.pl-end-th{position:relative;width:224px;aspect-ratio:16/9;border-radius:6px;overflow:hidden;display:grid;place-items:center;background:#222}
.pl-end-th img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.7)}
.pl-end-th>.ic{position:relative;width:20px;height:20px;margin-left:3px}
.pl-ring{position:absolute;left:50%;top:50%;width:52px;height:52px;margin:-26px 0 0 -26px;transform:rotate(-90deg)}
.pl-ring circle{fill:rgba(0,0,0,.35);stroke:rgba(255,255,255,.25);stroke-width:3}
.pl-ring .run{fill:none;stroke:var(--c-accent);stroke-dasharray:125.7;stroke-dashoffset:125.7;stroke-linecap:round}
.pl-end-tx{display:flex;flex-direction:column;gap:8px;min-width:0}
.pl-end-tx small{font:600 11px/1 var(--font-latin);letter-spacing:.14em;color:rgba(255,255,255,.55)}
.pl-end-tx b{font-size:16px;font-weight:500;max-width:13em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-end-tx em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.6)}
.pl-end-btns{display:flex;gap:10px}
.pl:fullscreen{border-radius:0;outline:0}
.pl:-webkit-full-screen{border-radius:0;width:100%;height:100%}
/* 中等宽度：每页 3×3 */
/* 中等宽度（761–1100）：仍是 4×3，收紧间距；--cols/--rows 改了 JS 会自动按新的每页数量翻页 */
@media (max-width:1100px){.pl-ov{padding:0 60px}.pl-ovh{margin-bottom:12px}.pl-ovh h3{font-size:19px}.pl-grid{gap:9px 10px}.pl-pager{margin-top:12px}.pl-card .nm{font-size:12px;right:44px}.pl-card .du{font-size:10px;padding:3px 5px}}
@media (max-width:900px){.pl-ov{padding:0 54px}.pl-ovh{margin-bottom:8px}.pl-ovh h3{font-size:17px}.pl-ovh h3 small{font-size:12px}.pl-ovh .pl-pill{padding:6px 11px;font-size:12px}.pl-grid{gap:7px 8px}.pl-pager{margin-top:8px}.pl-card .no{font-size:9px;left:7px;top:6px}.pl-card .nm{font-size:11px;left:7px;bottom:6px}.pl-arrow{width:32px;height:32px;margin-top:-4px}.pl-arrow.l{left:11px}.pl-arrow.r{right:11px}}
/* ---- 手机 / 触屏（.is-m 由 JS 按「无悬停 或 宽度 ≤ 760」加）---- */
.pl-box.is-m .pl-hint .pc{display:none}.pl-box.is-m .pl-hint .m{display:flex}
.pl-box.is-m .pl-b{display:none}
.pl-list{display:none}
.pl-box.is-m.list-open{border-radius:12px;background:#111113;outline:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px rgba(0,0,0,.5);overflow:hidden}
.pl-box.is-m.list-open .pl{border-radius:0;box-shadow:none;outline:0}
.pl-box.is-m.list-open .pl[data-state=idle] .pl-reel{filter:blur(8px) brightness(.55);transform:scale(1.08)}
.pl-box.is-m.list-open .pl[data-state=idle] .pl-a{opacity:0;visibility:hidden}
.pl-box.is-m.list-open .pl[data-state=idle] .pl-m{opacity:1;visibility:visible;transition:opacity .35s}
.pl-box.is-m.list-open .pl[data-state=idle] .pl-logo{opacity:.35}
.pl-m{display:flex;align-items:center;justify-content:center}
.pl-box.is-m.list-open .pl-list{display:block}
.pl-lh{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 14px 12px}
.pl-lh h3{font-size:17px}.pl-lh h3 small{display:block;font:400 11.5px/1.4 var(--font-sans);color:rgba(255,255,255,.5);margin-top:3px;letter-spacing:0}
.pl-x{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);border:0;color:#fff;display:grid;place-items:center;flex:none}
.pl-x .ic{width:16px;height:16px}
.pl-lgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px 10px;padding:0 14px}
.pl-lgrid .pl-card .nm{font-size:12px;right:42px;bottom:7px;left:8px}
.pl-lgrid .pl-card .du{font-size:10px;padding:3px 5px}
.pl-lgrid .pl-card .no{font-size:9.5px}
.pl-more{display:block;width:calc(100% - 28px);margin:14px 14px 16px;text-align:center;font-size:13px;color:rgba(255,255,255,.8);padding:11px;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:none}
.pl-more[hidden]{display:none}
.pl-box.is-m .pl-lgrid:last-child,.pl-box.is-m .pl-more[hidden]+*{margin-bottom:16px}
.pl-noscript{margin-top:10px;font-size:13px;color:var(--c-dark-mut)}
@media (max-width:760px){
 .pl-note{justify-content:flex-start;margin:-14px 0 10px}
 .pl-logo{left:12px;top:11px;height:18px}
 .pl-tag{top:13px;right:12px;font-size:9.5px;letter-spacing:.14em;gap:6px}
 .pl-hint{left:12px;bottom:14px;font-size:12px;padding:6px 11px 6px 9px}
 .pl-rbtn{right:12px;bottom:12px;width:32px;height:32px}
 .pl-wm{right:12px;bottom:auto;top:31px;font-size:9.5px}  /* 手机：放右上角标签下面，避开左下「点一下」和底部控制条 */
 .pl[data-state=play] .pl-wm{top:50px;bottom:auto;right:12px}
 .pl-box.is-m.list-open .pl[data-state=idle] .pl-wm{top:12px}
 .pl-top{padding:10px 10px 20px;gap:10px}.pl-back{font-size:12px;padding:5px 10px 5px 6px}.pl-title{font-size:13px}.pl-title small,.pl-logo2{display:none}
 .pl-bar{padding:24px 10px 8px;gap:8px;font-size:11px}.pl-ib{width:26px;height:26px}.pl-ib .ic{width:16px;height:16px}
 .pl-next{font-size:11.5px;max-width:7.5em;padding:6px 2px}
 .pl-big{inset:46px 0 44px}
 .pl-end{gap:10px}.pl-end-k{display:none}.pl-end-card{padding:6px 12px 6px 6px;gap:10px}.pl-end-th{width:112px}.pl-ring{width:40px;height:40px;margin:-20px 0 0 -20px}
 .pl-end-tx b{font-size:13px;max-width:9em}.pl-end-tx em{font-size:11px}.pl-end-btns .pl-pill{font-size:12px;padding:6px 11px}
}
@media (prefers-reduced-motion:reduce){
 .pl *,.pl-box *{transition:none!important;animation:none!important}
}
/* 10-29 快闪喇叭：独立一层，盖在选片层（.pl-b z5）和水印（z6）上面；快闪在 idle 和 grid 都在播，所以两种状态都显示；单条播放时快闪暂停，喇叭藏起来（单条有自己的音量键） */
.pl-mute{z-index:7;transition:opacity .3s,visibility 0s,background .2s}
.pl-mute[hidden]{display:none}
.pl-mute:hover,.pl-mute:focus-visible{background:rgba(10,10,11,.75);outline:none}
.pl[data-state=play] .pl-mute{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .3s,visibility 0s .3s}
/* 10-29 视频自带水印时（reels[].wm / items[].wm = true）藏起叠加 logo 和文字水印 */
.pl.hide-brand .pl-logo,.pl.hide-brand .pl-wm{opacity:0;visibility:hidden}
/* 快闪右下角是烧进去的水印：喇叭挪到左上角（logo 已藏，选片层也不占这个角） */
.pl.reel-wm .pl-mute{right:auto;bottom:auto;left:20px;top:20px}
@media (max-width:760px){.pl.reel-wm .pl-mute{left:12px;top:10px}}