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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>数学之美 | 核心思想与直观理解</title>
<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">
<style>
/* CSS Reset and Global Styles */
:root {
--primary-color: #007bff;
--primary-hover: #0056b3;
--dark-color: #1a253c;
--text-color: #333;
--light-gray: #f4f7f9;
--white-color: #ffffff;
--shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
--border-radius: 12px;
}
body {
font-family: 'Noto Sans SC', sans-serif;
line-height: 1.7;
margin: 0;
padding: 0;
background-color: var(--light-gray);
color: var(--text-color);
}
h1, h2, h3 {
font-family: 'Montserrat', sans-serif;
color: var(--dark-color);
}
/* Header */
.header {
background-color: var(--white-color);
padding: 15px 5%;
box-shadow: 0 2px 5px rgba(0,0,0,0.05);
display: flex;
justify-content: space-between;
align-items: center;
position: sticky;
top: 0;
z-index: 1000;
}
.logo {
font-size: 1.5em;
font-weight: 700;
color: var(--dark-color);
text-decoration: none;
}
.logo i {
color: var(--primary-color);
margin-right: 8px;
}
.nav-links a {
color: var(--text-color);
text-decoration: none;
margin-left: 25px;
font-weight: 500;
transition: color 0.3s ease;
}
.nav-links a:hover {
color: var(--primary-color);
}
/* Hero Section */
.hero {
text-align: center;
padding: 80px 20px;
background-color: var(--dark-color);
color: var(--white-color);
background-image:
linear-gradient(rgba(26, 37, 60, 0.8), rgba(26, 37, 60, 0.8)),
url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Crect x='0' y='0' width='10' height='10'/%3E%3C/g%3E%3C/svg%3E");
}
.hero h1 {
font-size: 3em;
margin-bottom: 15px;
color: var(--white-color);
}
.hero p {
font-size: 1.2em;
max-width: 700px;
margin: 0 auto 30px auto;
opacity: 0.9;
}
/* Main Content - Card Grid */
.content-grid {
max-width: 1200px;
margin: 60px auto;
padding: 0 20px;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 30px;
}
.card {
background-color: var(--white-color);
border-radius: var(--border-radius);
box-shadow: var(--shadow);
overflow: hidden;
display: flex;
flex-direction: column;
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.card:hover {
transform: translateY(-8px);
box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
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.card-content {
padding: 30px;
flex-grow: 1;
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flex-direction: column;
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.card-icon {
font-size: 2.5em;
color: var(--primary-color);
margin-bottom: 15px;
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.card h2 {
font-size: 1.5em;
margin: 0 0 15px 0;
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.card p {
margin: 0 0 25px 0;
flex-grow: 1;
}
.card-button {
display: inline-block;
background-color: var(--primary-color);
color: var(--white-color);
padding: 12px 25px;
border-radius: 50px;
text-decoration: none;
font-weight: 500;
text-align: center;
transition: background-color 0.3s ease;
align-self: flex-start;
}
.card-button:hover {
background-color: var(--primary-hover);
}
/* Footer */
.footer {
text-align: center;
padding: 40px 20px;
background-color: var(--dark-color);
color: rgba(255, 255, 255, 0.7);
}
.footer .social-links a {
color: var(--white-color);
font-size: 1.5em;
margin: 0 15px;
transition: color 0.3s ease;
}
.footer .social-links a:hover {
color: var(--primary-color);
}
.footer p {
margin-top: 10px;
}
.author-credit {
color: var(--white-color);
font-weight: 500;
font-size: 1.05em;
margin-top: 20px;
margin-bottom: 5px;
}
/* Responsive Design */
@media (max-width: 768px) {
.hero h1 {
font-size: 2.2em;
}
.nav-links {
display: none;
}
}
</style>
</head>
<body>
<header class="header">
<a href="#" class="logo"><i class="fas fa-infinity"></i>数学之美</a>
<nav class="nav-links">
<a href="https://github.com/pkujzx" target="_blank">GitHub</a>
</nav>
</header>
<section class="hero">
<h1>领略数学之美</h1>
<p>本站致力于拨开繁琐计算的迷雾，带你探索大学数学的核心思想与直观本质。在这里，我们共同欣赏数学的结构之美、逻辑之严与思想之深。</p>
</section>
<main class="content-grid">
<div class="card">
<div class="card-content">
<i class="fas fa-mountain-sun card-icon"></i>
<h2>多元微积分</h2>
<p>理解高维空间中的变化率与累积。从梯度、散度、旋度到格林、高斯、斯托克斯定理，洞察向量场背后优美的统一性。</p>
<a href="https://pkujzx.github.io/Multivariable_Calculus/" class="card-button" target="_blank">开启探索 →</a>
</div>
</div>
<div class="card">
<div class="card-content">
<i class="fas fa-sitemap card-icon"></i>
<h2>线性代数</h2>
<p>线性代数是描述变换的语言。深入理解向量空间、特征值与奇异值分解，把握数据与系统背后的核心结构。</p>
<a href="https://pkujzx.github.io/Linear_Algebra/" class="card-button" target="_blank">开启探索 →</a>
</div>
</div>
<div class="card">
<div class="card-content">
<i class="fas fa-dice-d20 card-icon"></i>
<h2>概率论</h2>
<p>探索量化不确定性的数学框架。从基本公理到中心极限定理，理解随机现象背后的规律，为统计与机器学习奠定基础。</p>
<a href="https://pkujzx.github.io/Probability-Theory/" class="card-button" target="_blank">开启探索 →</a>
</div>
</div>
<div class="card">
<div class="card-content">
<i class="fas fa-wave-square card-icon"></i>
<h2>泛函分析</h2>
<p>将线性代数的思想推广至无穷维的函数空间。理解赋范空间、希尔伯特空间等抽象概念如何统一地描述微分方程与量子力学。</p>
<a href="https://pkujzx.github.io/Functional-Analysis/" class="card-button" target="_blank">开启探索 →</a>
</div>
</div>
</main>
<footer class="footer" id="about">
<div class="social-links">
<a href="https://github.com/pkujzx" target="_blank" title="GitHub"><i class="fab fa-github"></i></a>
</div>
<p class="author-credit">网站由 蒋子轩 制作</p>
<p>© 2025 pkujzx. All Rights Reserved.</p>
</footer>
</body>
</html>