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haiyuan-about-in{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.extension-video-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:98;display:flex;align-items:center;justify-content:center;padding:20px;background:#000000e0;cursor:default}.extension-video-panel{width:min(92vw,420px);display:flex;flex-direction:column;align-items:center;gap:14px}.extension-video-frame{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:14px;background:#111;border:1px solid rgba(255,255,255,.18);overflow:hidden}.extension-video-el{display:block;width:100%;height:100%;object-fit:cover;background:#000}.extension-video-timer{position:absolute;right:10px;bottom:8px;margin:0;padding:2px 8px;border-radius:8px;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:#f5e6c8;background:#00000073;pointer-events:none}.extension-video-caption{margin:0;font-size:13px;font-weight:600;color:#ffffffb3;text-align:center}