.rk-home{--rk-paper:#f5f3ed;--rk-surface:#fffefa;--rk-ink:#243a30;--rk-muted:#657263;--rk-line:#dfe3d8;--rk-green:#42694e;--rk-sage:#8aa279;--rk-soft:#edf1e6;--rk-copper:#a96b4d;min-height:100vh;min-height:100dvh;background:var(--rk-paper);color:var(--rk-ink);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;font-variant-numeric:tabular-nums;padding-bottom:calc(92px + env(safe-area-inset-bottom, 0px))}.rk-home a,.rk-home button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}.rk-home button{font:inherit;cursor:pointer}.rk-home a{color:inherit;text-decoration:none}.rk-home button:disabled{opacity:.5;cursor:default}.rk-home a:focus-visible,.rk-home button:focus-visible{outline:3px solid #ccab79;outline-offset:4px}.rk-home svg{display:block;flex-shrink:0}.rk-header{max-width:1120px;margin:auto;min-height:74px;padding:13px 20px;justify-content:space-between;gap:12px;border-bottom:1px solid 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svg{width:16px;height:16px}.rk-paper-progress{height:2px;margin-top:10px;background:#e7ebdf;border-radius:3px;overflow:hidden}.rk-learning-card{width:100%;margin-top:22px;padding:20px 17px;display:flex;align-items:center;gap:14px;text-align:left;border:1px solid #dce2d1;border-radius:19px;background:#eaf0e2;color:var(--rk-ink)}.rk-learning-icon{width:41px;height:46px;display:grid;place-items:center;flex-shrink:0;color:#6c835a;border:1px solid #d4dec9;background:#f5f7ef;border-radius:12px}.rk-learning-copy{flex:1;display:grid;gap:5px}.rk-learning-copy small{font-size:10px;letter-spacing:1px;color:#637657}.rk-learning-copy strong{font-size:17px;font-weight:600;letter-spacing:-.3px}.rk-learning-copy>span{font-size:11px;color:var(--rk-muted)}.rk-learning-card>svg{width:18px;height:18px;color:#718364}.rk-footer{padding:27px 0 7px;text-align:center}.rk-wish{margin:0 0 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