*{margin:0}body{margin:0;background:#eae7df;font-family:-apple-system,BlinkMacSystemFont,SF Pro,PingFang SC,Hiragino Sans GB,sans-serif;-webkit-font-smoothing:antialiased}a{color:#0e5f4b;text-decoration:none}a:hover{color:#0b4a3a;text-decoration:underline}input,textarea{font-family:inherit}.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none}.no-scrollbar::-webkit-scrollbar{display:none}@keyframes ytPulse{0%{box-shadow:0 0 #ae452f59}70%{box-shadow:0 0 0 14px #ae452f00}to{box-shadow:0 0 #ae452f00}}@keyframes ytWave{0%,to{transform:scaleY(.3)}50%{transform:scaleY(1)}}@keyframes ytSpin{to{transform:rotate(360deg)}}@keyframes ytIn{0%{opacity:0}to{opacity:1}}@keyframes ytUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes ytSlide{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:none}}.press:active{opacity:.85;transform:scale(.99)}.press-scale:active{transform:scale(.96)}.press-dim:active{opacity:.6}html,body,#root{height:100%;width:100%}*{box-sizing:border-box}button{font:inherit;color:inherit;border:0;cursor:pointer}button:focus-visible,[role=button]:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #B97E24;outline-offset:3px}.app-shell{height:100%;height:100dvh;display:flex;justify-content:center;overflow:hidden}.app-shell[data-native=true]{height:100%}.app-shell[data-native=true] :is(input,textarea,select){font-size:max(16px,1em)!important}.app-viewport{position:relative;width:100%;height:100%;overflow:hidden;background:#f7f6f2}.route-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5}.reading-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.reading-actions button,.reading-remove{min-height:44px;padding:10px 14px;border-radius:12px;font-family:-apple-system,PingFang SC,sans-serif;font-size:13px;font-weight:600;line-height:1.4;cursor:pointer;color:#0e5f4b;background:#eaf2ee;border:1px solid #D8E5DD}.reading-actions button+button,.reading-remove{background:transparent;color:#5d6863;border-color:#e0e4de}.reading-remove{margin-top:8px}.reading-actions button:active,.reading-remove:active{background:#dce9e1}.app-viewport [data-screen-label]{padding-top:max(20px,env(safe-area-inset-top))!important}.tab-bar{padding-bottom:max(10px,env(safe-area-inset-bottom))!important;height:auto!important}@media(min-width:650px){.app-shell{padding:24px}.app-viewport{max-width:440px;border-radius:28px;box-shadow:0 20px 70px #12312b22;border:1px solid #d8d5ca}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.account-screen{height:100%;padding:20px 22px max(24px,env(safe-area-inset-bottom));overflow:auto}.account-screen label{display:block;margin:12px 0;font-size:13px}.account-screen input{display:block;width:100%;padding:13px;margin-top:8px;border:1px solid #d8d5ca;border-radius:10px;font-size:16px;background:#fcfbf7}.account-primary{display:block;width:100%;padding:15px;background:#0e5f4b;color:#fff;border-radius:12px;margin-top:20px}button:disabled{opacity:.55;cursor:wait}.app-viewport [data-screen-label=欢迎页],.app-viewport [data-screen-label=学习目标],.app-viewport [data-screen-label=学习时长]{overflow-y:auto}.app-viewport [data-screen-label=欢迎页]>*,.app-viewport [data-screen-label=学习目标]>*,.app-viewport [data-screen-label=学习时长]>*{flex-shrink:0}