.nvph-video-section[hidden]{display:none}
.nvph-video-section{padding:clamp(28px,5vw,64px) 20px;background:linear-gradient(180deg,#edf4ee 0%,#f8faf7 100%)}
.nvph-video-shell{position:relative;width:min(1180px,100%);aspect-ratio:16/9;margin:0 auto;overflow:hidden;border:1px solid rgba(33,161,83,.3);border-radius:clamp(16px,2vw,28px);background:#061d18;box-shadow:0 28px 70px rgba(5,35,28,.2)}
.nvph-overview-video{display:block;width:100%;height:100%;object-fit:contain;background:#061d18}
.nvph-video-controls{position:absolute;right:18px;bottom:18px;display:flex;gap:10px}
.nvph-video-control{display:grid;width:52px;height:52px;padding:0;place-items:center;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:rgba(3,31,37,.84);color:#fff;font:700 18px/1 Montserrat,Arial,sans-serif;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.25);backdrop-filter:blur(10px);transition:transform .2s ease,background .2s ease}
.nvph-video-sound{display:flex;width:auto;min-width:136px;padding:0 18px;gap:9px;border-radius:999px;font-size:13px;letter-spacing:.01em}
.nvph-sound-icon{font-size:17px}.nvph-sound-label{white-space:nowrap}
.nvph-video-control:hover,.nvph-video-control:focus-visible{transform:scale(1.07);background:#20a653;outline:3px solid rgba(119,226,151,.45);outline-offset:3px}
.nvph-video-toggle[data-playing="true"] span{font-size:0}
.nvph-video-toggle[data-playing="true"] span::before{content:"Ⅱ";font-size:18px}
@media(max-width:700px){.nvph-video-section{padding:20px 10px}.nvph-video-shell{width:100%;border-radius:14px;box-shadow:0 16px 36px rgba(5,35,28,.18)}.nvph-video-controls{right:10px;bottom:10px;gap:8px}.nvph-video-control{width:44px;height:44px}.nvph-video-sound{width:auto;min-width:116px;padding:0 13px;font-size:11px}}
@media(prefers-reduced-motion:reduce){.nvph-video-control{transition:none}}