:root{--green:#215e50;--green2:#2f7563;--bg:#f4f7f5;--ink:#20302d;--muted:#77827e;--line:#e5ebe7;--orange:#e7894d;--red:#c9544e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.layout{display:flex;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;padding:28px 18px;background:#183f36;color:#fff}.brand{display:flex;align-items:center;gap:12px;padding:0 10px 30px;font-size:20px;font-weight:800}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px 12px 12px 4px;background:#fff;color:var(--green)}.nav a{display:flex;align-items:center;gap:12px;margin:5px 0;padding:12px 14px;border-radius:12px;color:#c2d6d0}.nav a:hover,.nav a.active{background:rgba(255,255,255,.12);color:#fff}.nav-icon{width:22px;text-align:center}.side-foot{position:absolute;left:18px;right:18px;bottom:25px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);color:#b8cdc7}.side-foot a{color:#fff}.main{width:calc(100% - 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