.ysqd{position:fixed;top:0;left:0;width:0;height:0;z-index:1000;transition:backdrop-filter .2s;-webkit-backdrop-filter:brightness(1);backdrop-filter:brightness(1);transform-origin:center}.ysqd.rotate{transform:rotate(90deg)}.ysqd.appear{-webkit-backdrop-filter:brightness(10);backdrop-filter:brightness(10)}.ysqd .bg{background-color:#fefbff;position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:.3s}.ysqd .bg.appear{opacity:1}.ysqd img{position:absolute;top:0;left:0;width:100%;height:100%;-o-object-fit:contain;object-fit:contain;opacity:0;transition:opacity 2s}.ysqd img.appear{opacity:1}.ys_text{height:calc(100vh - 100px);display:flex;flex-direction:column;justify-content:center;max-width:800px;margin:0 auto}.ys_text .ys_title{padding:20px 0;border-bottom:1px solid var(--border-light-color);text-align:center}.ys_text .ys_title h1{line-height:1.5}.ys_text .ys_intro li,.ys_text .ys_title p{margin-top:12px;line-height:1.5;color:var(--text-sub-color)}.ys_text .ys_intro li{font-size:14px}