:root { --body-bg: #f0f2f5; --header-background: #3b5998; --header-color: #ffffff; --header-hover-color: #333333; --header-search-color: rgba(0,0,0,0.1); --main: #3b5998; --main-hover: #3b5998; --main-color: #ffffff; --main-hover-color: #ffffff; --chat-outgoing: #fff9f9; --plyr-color-main: #3b5998; --plyr-control-toggle-checked-background: transparent; --plyr-video-control-background-hover: rgba(255, 255, 255, 0.2); --plyr-range-fill-background: #fff; --plyr-range-track-height: 3px; } .reaction-1::after {content: "喜欢";} .reaction-2::after {content: "爱";} .reaction-3::after {content: "哈哈";} .reaction-4::after {content: "哇";} .reaction-5::after {content: "伤心";} .reaction-6::after {content: "生气的";}