:root{--rte-text-primary: #000000;--rte-text-disabled: #949598;--rte-text-link: #2762ec;--rte-placeholder-color: #949598}.rte-root{position:relative;outline:none;word-break:break-all;white-space:pre-wrap;user-select:text;-webkit-user-select:text}.rte-root *{user-select:text;-webkit-user-select:text}.rte-root span{font-size:14px!important}.rte-root span:not(.topicHightColor){color:var(--rte-text-primary)!important}.rte-root .topicHightColor{color:var(--rte-text-link)!important}.rte-root .nullCharacter1{font-size:0;min-width:1px}.rte-show-placeholder:before{content:attr(data-placeholder);white-space:pre;color:var(--rte-placeholder-color);position:absolute;left:13px;font-size:14px;pointer-events:none}.rte-root .insertImg,.rte-root .insertVideo{display:flex;width:100%;position:relative;overflow:hidden}.rte-root .insertImg img,.rte-root .insertVideo video{width:100%;display:block}.rte-root .insertImgBox{display:flex;flex-direction:column;gap:12px}.rte-root .insertDivZwBr{line-height:1.2}.rte-upload-loading{min-height:120px;display:flex;align-items:center;justify-content:center;background:#f7f8fa;border-radius:4px}.rte-upload-loading.rte-upload-video{min-height:160px}.rte-upload-spinner{width:22px;height:22px;border:2px solid #d0d3d9;border-top-color:var(--rte-text-link);border-radius:50%;animation:rte-spin .8s linear infinite}@keyframes rte-spin{to{transform:rotate(360deg)}}.rte-upload-failure{min-height:120px;display:flex;align-items:center;justify-content:center;gap:8px;background:#f7f8fa;color:var(--rte-placeholder-color);font-size:14px;border-radius:4px}.rte-upload-failure-btn{border:1px solid #d0d3d9;background:#fff;border-radius:4px;padding:2px 10px;font-size:12px;cursor:pointer}.demo-page{max-width:640px;margin:0 auto;padding:20px;font-family:system-ui,-apple-system,PingFang SC,sans-serif}.demo-page h1{font-size:22px}.demo-os{color:#949598;font-size:13px;margin-top:-8px}.demo-editor{border:1px solid #e5e6eb;border-radius:8px;padding:12px 13px}.demo-editor .rte-root{min-height:140px;font-size:14px;line-height:1.6}.demo-toolbar{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.demo-toolbar button{border:1px solid #d0d3d9;background:#fff;border-radius:6px;padding:6px 14px;font-size:13px;cursor:pointer}.demo-toolbar button:hover{border-color:#2762ec;color:#2762ec}.demo-count{text-align:right;color:#949598;font-size:12px;margin-top:6px}.demo-count-over{color:#e5484d}.demo-html{margin-top:16px}.demo-html pre{background:#f5f5f5;padding:12px;border-radius:8px;white-space:pre-wrap;word-break:break-all;font-size:12px}.topic-picker-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.topic-picker{background:#fff;border-radius:12px;width:320px;max-height:60vh;overflow:auto;padding:16px}.topic-picker-title{font-weight:600;margin-bottom:12px}.topic-picker-item{display:block;width:100%;text-align:left;border:none;background:#f7f8fa;border-radius:8px;padding:10px 12px;margin-bottom:8px;cursor:pointer;color:#2762ec;font-size:14px}