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a{display:block;padding:14px 24px;color:#c2c2c2;font-size:14px;transition:background .15s}.menu a:hover{background:#2d2f38;color:#fff}.menu a.active{background:var(--brand);color:#fff}.menu a i{margin-right:10px;width:16px;text-align:center}.side-version{padding:23px;color:#6f737e;font-size:11px;letter-spacing:1px}.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}.admin-header{height:60px;flex-shrink:0;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;box-shadow:0 1px 2px #0000000a}.crumb{color:#666;font-size:14px}.header-user{display:flex;align-items:center;gap:18px;font-size:13px;color:#555}.link-btn{background:none;border:0;cursor:pointer;color:#555}.frame-container{flex:1;overflow:hidden}.frame-container iframe{width:100%;height:100%;border:0;display:block}.view-page{padding:14px}.box,.section,.card{background:#fff;border-radius:6px;box-shadow:0 1px 3px 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