去除YouTube视频播放器和缩略图圆角样式（修复适配）
// ==UserScript==
// @name YouTube 干掉视频圆角
// @namespace http://tampermonkey.net/
// @version 1.3
// @description 去除YouTube视频播放器和缩略图圆角样式（修复适配）
// @author yy
// @match *://www.youtube.com/*
// @grant GM_addStyle
// @license MIT
// ==/UserScript==
(function() {
'use strict';
GM_addStyle(`
/* 主视频播放器容器 */
ytd-watch-flexy[rounded-player] #ytd-player.ytd-watch-flexy,
ytd-watch-flexy[rounded-player-large] #ytd-player.ytd-watch-flexy,
ytd-watch-flexy[rounded-player] #player-theater-container,
ytd-watch-flexy[rounded-player-large] #player-theater-container {
border-radius: 0px !important;
overflow: hidden !important;
}
/* 视频内部 iframe 或 video 标签等（保险覆盖） */
#player video,
#player iframe {
border-radius: 0px !important;
overflow: hidden !important;
}
/* Shorts 播放器容器 */
ytd-reel-video-renderer .player-container,
ytd-reel-video-renderer .reel-player-container,
ytd-reel-video-renderer video {
border-radius: 0px !important;
overflow: hidden !important;
}
/* 普通缩略图圆角去除 */
ytd-thumbnail a.ytd-thumbnail,
ytd-thumbnail::before,
ytd-thumbnail img {
border-radius: 0px !important;
}
/* Shorts 缩略图容器 */
div[class*="ThumbnailContainerRounded"],
.ShortsLockupViewModelHostThumbnailContainerRounded,
ytd-reel-shelf-renderer ytd-thumbnail {
border-radius: 0px !important;
overflow: hidden !important;
}
/* 去除社区帖子的圆角 */
ytd-post-renderer[rounded-container] {
border-radius: 0px !important;
overflow: hidden !important;
}
/* 迷你播放器卡片去圆角 */
#card.ytd-miniplayer {
border-radius: 0px !important;
overflow: hidden !important;
}
`);
})();