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<!DOCTYPE html>
<html lang="zh-CN"><head>
<meta charset="utf-8"/>
<meta content="width=device-width, initial-scale=1.0" name="viewport"/>
<title>ZhiXi - 学习</title>
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</head>
<body class="text-on-surface pb-[100px] min-h-screen">
<!-- TopAppBar -->
<header class="bg-white/80 dark:bg-slate-900/80 backdrop-blur-xl docked full-width top-0 sticky border-b border-slate-200/50 dark:border-slate-800/50 shadow-sm dark:shadow-none flex justify-between items-center w-full px-5 py-3 z-40">
<div class="flex items-center gap-3">
<button class="text-slate-900 dark:text-slate-50 hover:opacity-80 transition-opacity p-2 -ml-2 rounded-full hover:bg-surface-container">
<span class="material-symbols-outlined text-[20px]">arrow_back_ios_new</span>
</button>
<h1 class="font-['Manrope'] font-bold text-xl text-slate-900 dark:text-slate-50">知习</h1>
</div>
<button class="text-blue-500 dark:text-blue-400 hover:opacity-80 transition-opacity p-2 rounded-full hover:bg-surface-container">
<span class="material-symbols-outlined text-[24px]">settings</span>
</button>
</header>
<main class="max-w-4xl mx-auto px-container-margin pt-md pb-xl">
<!-- Page Header -->
<div class="mb-lg">
<h2 class="font-h1 text-h1 text-on-surface mb-xs">学习</h2>
<p class="font-body-lg text-body-lg text-outline">让每一次学习都进入闭环</p>
</div>
<!-- Learning Loop Visual -->
<div class="mb-lg flex items-center justify-center gap-2 text-primary font-label-caps text-label-caps bg-primary-fixed/30 py-3 px-4 rounded-full w-fit mx-auto glass-card">
<span class="flex items-center gap-1"><span class="material-symbols-outlined text-[16px]">input</span> 输入</span>
<span class="material-symbols-outlined text-[14px] text-outline-variant">arrow_forward</span>
<span class="flex items-center gap-1"><span class="material-symbols-outlined text-[16px]">output</span> 输出</span>
<span class="material-symbols-outlined text-[14px] text-outline-variant">arrow_forward</span>
<span class="flex items-center gap-1"><span class="material-symbols-outlined text-[16px]">feedback</span> 反馈</span>
<span class="material-symbols-outlined text-[14px] text-outline-variant">arrow_forward</span>
<span class="flex items-center gap-1"><span class="material-symbols-outlined text-[16px]">cycle</span> 复习</span>
</div>
<!-- Bento Grid Layout -->
<div class="grid grid-cols-1 md:grid-cols-2 gap-md">
<!-- Today's Study Card (Spans full width on mobile, 1 col on md) -->
<div class="glass-card rounded-xl p-md flex flex-col justify-between md:col-span-2 relative overflow-hidden">
<div class="absolute top-0 left-0 w-full h-[2px] liquid-trace"></div>
<div>
<div class="flex justify-between items-start mb-sm">
<span class="bg-secondary-container/20 text-secondary px-3 py-1 rounded-full font-label-caps text-label-caps">今日重点</span>
<span class="flex items-center gap-1 font-body-md text-body-md text-outline">
<span class="material-symbols-outlined text-[18px]">timer</span> 20 mins
</span>
</div>
<h3 class="font-h2 text-h2 text-on-surface mb-xs">认知心理学:记忆的编码与提取</h3>
<p class="font-body-md text-body-md text-on-surface-variant mb-md">进入知识内化的关键阶段,建议通过主动回忆来加强神经连接。</p>
</div>
<div class="flex justify-end mt-sm">
<button class="ai-glow-btn text-on-primary font-body-md text-body-md font-medium px-6 py-3 rounded-full flex items-center gap-2 w-full md:w-auto justify-center">
<span class="material-symbols-outlined" data-weight="fill" style="font-variation-settings: 'FILL' 1;">play_arrow</span>
开始主动回忆
</button>
</div>
</div>
<!-- Active Recall Module -->
<div class="glass-card rounded-xl p-md flex flex-col justify-center text-center items-center">
<div class="w-12 h-12 rounded-full bg-tertiary-container/10 flex items-center justify-center mb-sm">
<span class="material-symbols-outlined text-[28px] text-tertiary">psychiatry</span>
</div>
<h3 class="font-h3 text-h3 text-on-surface mb-xs">先试着用自己的话说出来</h3>
<p class="font-body-md text-body-md text-outline mb-md">不要急着看答案,先回忆一次</p>
<button class="bg-white border border-outline-variant text-on-surface font-body-md text-body-md font-medium px-5 py-2 rounded-full hover:bg-surface-container transition-colors w-full">
快速自我测试
</button>
</div>
<!-- Weak Point Consolidation -->
<div class="glass-card rounded-xl p-md flex flex-col">
<h3 class="font-h3 text-h3 text-on-surface mb-sm flex items-center gap-2">
<span class="material-symbols-outlined text-error">target</span> 需要再巩固的地方
</h3>
<ul class="space-y-sm flex-1">
<li class="flex items-start gap-3 p-3 bg-surface-container-lowest/50 rounded-lg border border-outline-variant/30">
<span class="material-symbols-outlined text-[20px] text-primary mt-0.5">smart_toy</span>
<div>
<p class="font-body-md text-body-md font-medium text-on-surface">ReLU vs Sigmoid difference</p>
<p class="font-body-md text-body-md text-outline text-[13px] mt-1">AI 诊断:在上次测验中概念混淆</p>
</div>
</li>
</ul>
</div>
<!-- Today's Review Module (Spans full width) -->
<div class="glass-card rounded-xl p-md md:col-span-2">
<h3 class="font-h3 text-h3 text-on-surface mb-md flex items-center gap-2">
<span class="material-symbols-outlined text-secondary">history_edu</span> 今天适合复习
</h3>
<div class="grid grid-cols-1 sm:grid-cols-2 gap-sm">
<!-- Review Item 1 -->
<div class="p-4 bg-surface-container-lowest/60 rounded-lg border border-outline-variant/50 flex justify-between items-center">
<div>
<h4 class="font-body-lg text-body-lg font-medium text-on-surface">微观经济学基础</h4>
<div class="flex items-center gap-1 mt-1 text-error font-body-md text-body-md text-[13px]">
<span class="material-symbols-outlined text-[14px]">trending_down</span> 记忆曲线衰减预警
</div>
</div>
<button class="bg-primary-container text-on-primary-container font-body-md text-body-md px-4 py-2 rounded-full hover:opacity-90 transition-opacity">
复习
</button>
</div>
<!-- Review Item 2 -->
<div class="p-4 bg-surface-container-lowest/60 rounded-lg border border-outline-variant/50 flex justify-between items-center">
<div>
<h4 class="font-body-lg text-body-lg font-medium text-on-surface">线性代数核心定理</h4>
<div class="flex items-center gap-1 mt-1 text-outline font-body-md text-body-md text-[13px]">
<span class="material-symbols-outlined text-[14px]">schedule</span> 距上次复习 3 天
</div>
</div>
<button class="bg-primary-container text-on-primary-container font-body-md text-body-md px-4 py-2 rounded-full hover:opacity-90 transition-opacity">
复习
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</div>
</div>
</div>
</main>
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<a class="flex flex-col items-center justify-center text-slate-400 dark:text-slate-500 hover:bg-slate-50/50 dark:hover:bg-slate-800/50 p-2 rounded-lg transition-colors" href="#">
<span class="material-symbols-outlined text-[24px] mb-1" data-icon="menu_book">menu_book</span>
<span class="font-['Manrope'] text-[10px] font-medium tracking-wide">学习</span>
</a>
<a class="flex flex-col items-center justify-center text-slate-400 dark:text-slate-500 hover:bg-slate-50/50 dark:hover:bg-slate-800/50 p-2 rounded-lg transition-colors" href="#">
<span class="material-symbols-outlined text-[24px] mb-1" data-icon="database">database</span>
<span class="font-['Manrope'] text-[10px] font-medium tracking-wide">知识库</span>
</a>
<a class="flex flex-col items-center justify-center text-blue-500 dark:text-blue-400 font-bold hover:bg-slate-50/50 dark:hover:bg-slate-800/50 p-2 rounded-lg transition-colors" href="#">
<span class="material-symbols-outlined text-[24px] mb-1" data-icon="auto_awesome" data-weight="fill" style="font-variation-settings: 'FILL' 1;">auto_awesome</span>
<span class="font-['Manrope'] text-[10px] font-medium tracking-wide">AI 助手</span>
</a>
<a class="flex flex-col items-center justify-center text-slate-400 dark:text-slate-500 hover:bg-slate-50/50 dark:hover:bg-slate-800/50 p-2 rounded-lg transition-colors" href="#">
<span class="material-symbols-outlined text-[24px] mb-1" data-icon="person">person</span>
<span class="font-['Manrope'] text-[10px] font-medium tracking-wide">我的</span>
</a>
</nav>
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