.development-history {overflow:hidden;position:relative;}
.development-history:before{content:'';width:100vw;height:100%;background:url(/uploads/42483/abouthistory-bg.jpg) no-repeat center/cover;position:absolute;top:0;left:50%;transform:translateX(-50%);max-width:1920px;}
.development-history:after{content:'';width:100vw;height:100%;background:rgba(255,255,255,0.6);position:absolute;top:0;left:50%;transform:translateX(-50%);max-width:1920px;}
.development-history>.l-wrap{position:relative;z-index:2;}
.historybox {position:relative;padding:40px 0;}
/*.historybox:before{content:'';width:100vw;height:100%;background:url(/uploads/42483/abouthistory-bg.jpg) no-repeat center/cover;position:absolute;top:0;left:50%;transform:translateX(-50%);max-width:1920px;}*/
/*.historybox:after{content:'';width:100vw;height:100%;background:rgba(255,255,255,0.6);position:absolute;top:0;left:50%;transform:translateX(-50%);max-width:1920px;}*/
.historybox>* {position:relative;z-index:1;}
.historybox .kche-history-line {background:#ff0000;}
.kche-history-item>p{color:var(--fontcolor);}