/*视频容器样式*/
.c-video { position: fixed; left: 0; top: 0; z-index: 10000000; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.8); display: none; }
.c-video.show { display: block; }
.c-video__main { width: 70%; position: absolute; left: 0; right: 0; top: 50%; margin: auto; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%); }
.c-video__cnt { padding-top: calc(1080 / 1920 * 100%); position: relative; background: #000; }
.c-video__iframe,
.c-video__video { position: absolute; left: 0; top: 0; width: 100%; height: 100%; }
.c-video__close { display: block; cursor: pointer; width: 40px; height: 40px; background-color: #000; position: absolute; right: -40px; top: 0; z-index: 1000; }
.c-video__close .icon { display: block; width: 100%; height: 100%; font-size: 21px; text-align: center; line-height: 40px; color: #fff; }
@media (max-width: 800px) { 
   .c-video__main { width: 100%; }
   .c-video__cnt { padding-top: 100%; }
   .c-video__close { right: 0; top: -40px; } 
}