:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#102d38;--ink-soft:#2f4d55;--paper:#f4f0e7;--paper-deep:#e9e3d7;--card:#fffdf8;--line:#d8d1c3;--line-dark:#c7bead;--amber:#d97714;--amber-dark:#a95115;--amber-pale:#f3dfc3;--teal:#1f706c;--teal-pale:#e0ece7;--rust:#a84f2d;--rust-pale:#f4dfd5;--muted:#6c7b7e;--shadow:0 18px 48px #102d3821}*{box-sizing:border-box}html{background:var(--paper-deep);min-height:100%;color:var(--ink);scroll-behavior:smooth}body{background:var(--paper-deep);min-height:100%;margin:0;font-family:Microsoft YaHei,PingFang SC,Noto Sans SC,system-ui,sans-serif;overflow-x:hidden}button,input{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}a{color:inherit}button:focus-visible,input:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #d9771461}label:has(input:focus-visible){outline-offset:3px;outline:3px solid 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strong{font-size:16px}.welcome{padding-top:22px}.daily-card{padding-left:17px;padding-right:17px}.coverage-note{grid-template-columns:1fr;gap:6px}.study-shell{padding-left:10px;padding-right:10px}.study-content{padding-left:18px;padding-right:18px}.rating-grid button>small{font-size:7px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}