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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>学术讨论班 - 课程文件管理系统</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
<style>
/* 基础样式 */
:root {
--primary-color: #2c3e50;
--secondary-color: #3498db;
--accent-color: #1abc9c;
--danger-color: #e74c3c;
--light-color: #ecf0f1;
--dark-color: #34495e;
--text-color: #333;
--light-text: #7f8c8d;
--shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
--border-radius: 8px;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
background-color: #f9f9f9;
color: var(--text-color);
line-height: 1.6;
}
a {
text-decoration: none;
color: var(--secondary-color);
transition: color 0.3s;
}
a:hover {
color: var(--accent-color);
}
.container {
width: 90%;
max-width: 1200px;
margin: 0 auto;
padding: 0 15px;
}
/* 头部样式 */
header {
background-color: var(--primary-color);
color: white;
padding: 1.5rem 0;
box-shadow: var(--shadow);
position: sticky;
top: 0;
z-index: 100;
}
.header-content {
display: flex;
justify-content: space-between;
align-items: center;
}
.logo {
font-size: 1.8rem;
font-weight: 700;
display: flex;
align-items: center;
}
.logo-icon {
margin-right: 10px;
font-size: 2rem;
}
nav ul {
display: flex;
list-style: none;
}
nav li {
margin-left: 1.5rem;
}
nav a {
color: white;
font-weight: 500;
padding: 5px 0;
position: relative;
}
nav a::after {
content: '';
position: absolute;
bottom: 0;
left: 0;
width: 0;
height: 2px;
background-color: var(--accent-color);
transition: width 0.3s;
}
nav a:hover::after {
width: 100%;
}
.mobile-menu {
display: none;
font-size: 1.5rem;
cursor: pointer;
background: none;
border: none;
color: white;
}
/* 主要内容区域 */
.hero {
background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
color: white;
padding: 4rem 0;
text-align: center;
margin-bottom: 3rem;
}
.hero h1 {
font-size: 2.5rem;
margin-bottom: 1rem;
}
.hero p {
font-size: 1.2rem;
max-width: 700px;
margin: 0 auto;
opacity: 0.9;
}
/* 文件上传区域 */
.upload-section {
background-color: white;
border-radius: var(--border-radius);
padding: 2rem;
box-shadow: var(--shadow);
margin-bottom: 2rem;
}
.section-title {
font-size: 1.5rem;
margin-bottom: 1.5rem;
color: var(--primary-color);
display: flex;
align-items: center;
}
.section-title i {
margin-right: 10px;
color: var(--accent-color);
}
.upload-area {
border: 2px dashed #ddd;
border-radius: var(--border-radius);
padding: 2rem;
text-align: center;
margin-bottom: 1.5rem;
transition: all 0.3s;
cursor: pointer;
}
.upload-area:hover, .upload-area.drag-over {
border-color: var(--accent-color);
background-color: rgba(26, 188, 156, 0.05);
}
.upload-icon {
font-size: 3rem;
color: var(--light-text);
margin-bottom: 1rem;
}
.upload-text {
margin-bottom: 1rem;
}
.upload-btn {
background-color: var(--secondary-color);
color: white;
border: none;
padding: 0.8rem 1.5rem;
border-radius: var(--border-radius);
cursor: pointer;
font-weight: 500;
transition: background-color 0.3s;
}
.upload-btn:hover {
background-color: var(--accent-color);
}
.file-input {
display: none;
}
/* 文件列表区域 */
.files-section {
background-color: white;
border-radius: var(--border-radius);
padding: 2rem;
box-shadow: var(--shadow);
margin-bottom: 2rem;
}
.file-filters {
display: flex;
gap: 1rem;
margin-bottom: 1.5rem;
flex-wrap: wrap;
}
.filter-btn {
background-color: var(--light-color);
border: none;
padding: 0.5rem 1rem;
border-radius: 20px;
cursor: pointer;
transition: all 0.3s;
}
.filter-btn:hover {
background-color: #dde4e6;
}
.filter-btn.active {
background-color: var(--secondary-color);
color: white;
}
.file-list {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
gap: 1.5rem;
}
.file-card {
border: 1px solid #eee;
border-radius: var(--border-radius);
padding: 1.5rem;
transition: all 0.3s;
display: flex;
flex-direction: column;
position: relative;
}
.file-card:hover {
transform: translateY(-5px);
box-shadow: var(--shadow);
}
.file-header {
display: flex;
justify-content: space-between;
align-items: flex-start;
margin-bottom: 1rem;
}
.file-icon {
font-size: 2.5rem;
color: var(--secondary-color);
margin-right: 1rem;
}
.file-info {
flex: 1;
}
.file-name {
font-weight: 600;
margin-bottom: 0.5rem;
word-break: break-word;
}
.file-meta {
font-size: 0.9rem;
color: var(--light-text);
}
.file-actions {
display: flex;
gap: 0.5rem;
}
.action-btn {
background: none;
border: none;
color: var(--light-text);
cursor: pointer;
font-size: 1.2rem;
transition: color 0.3s;
padding: 5px;
border-radius: 4px;
}
.action-btn:hover {
color: var(--secondary-color);
background-color: rgba(52, 152, 219, 0.1);
}
.delete-btn {
color: var(--light-text);
}
.delete-btn:hover {
color: var(--danger-color);
background-color: rgba(231, 76, 60, 0.1);
}
.file-description {
margin-top: auto;
color: var(--light-text);
font-size: 0.9rem;
}
/* 模态框样式 */
.modal {
display: none;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
z-index: 1000;
align-items: center;
justify-content: center;
}
.modal-content {
background-color: white;
padding: 2rem;
border-radius: var(--border-radius);
max-width: 500px;
width: 90%;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}
.modal-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 1.5rem;
}
.modal-title {
font-size: 1.5rem;
color: var(--primary-color);
}
.close-btn {
background: none;
border: none;
font-size: 1.5rem;
cursor: pointer;
color: var(--light-text);
}
.close-btn:hover {
color: var(--text-color);
}
.form-group {
margin-bottom: 1.5rem;
}
.form-label {
display: block;
margin-bottom: 0.5rem;
font-weight: 500;
}
.form-input, .form-textarea, .form-select {
width: 100%;
padding: 0.8rem;
border: 1px solid #ddd;
border-radius: var(--border-radius);
font-size: 1rem;
}
.form-textarea {
min-height: 100px;
resize: vertical;
}
.form-actions {
display: flex;
justify-content: flex-end;
gap: 1rem;
margin-top: 1.5rem;
}
.btn {
padding: 0.8rem 1.5rem;
border: none;
border-radius: var(--border-radius);
cursor: pointer;
font-weight: 500;
transition: all 0.3s;
}
.btn-primary {
background-color: var(--secondary-color);
color: white;
}
.btn-primary:hover {
background-color: var(--accent-color);
}
.btn-secondary {
background-color: var(--light-color);
color: var(--text-color);
}
.btn-secondary:hover {
background-color: #dde4e6;
}
.btn-danger {
background-color: var(--danger-color);
color: white;
}
.btn-danger:hover {
background-color: #c0392b;
}
/* 删除确认模态框 */
.delete-modal .modal-content {
max-width: 400px;
}
.delete-icon {
text-align: center;
font-size: 3rem;
color: var(--danger-color);
margin-bottom: 1rem;
}
.delete-text {
text-align: center;
margin-bottom: 1.5rem;
}
/* 下载进度条 */
.progress-container {
margin-top: 1rem;
display: none;
}
.progress-bar {
height: 8px;
background-color: var(--light-color);
border-radius: 4px;
overflow: hidden;
margin-bottom: 0.5rem;
}
.progress {
height: 100%;
background-color: var(--accent-color);
width: 0%;
transition: width 0.3s;
}
.progress-text {
font-size: 0.9rem;
color: var(--light-text);
text-align: center;
}
/* 消息提示 */
.toast {
position: fixed;
bottom: 20px;
right: 20px;
padding: 1rem 1.5rem;
background-color: var(--primary-color);
color: white;
border-radius: var(--border-radius);
box-shadow: var(--shadow);
transform: translateY(100px);
opacity: 0;
transition: all 0.3s;
z-index: 1001;
}
.toast.show {
transform: translateY(0);
opacity: 1;
}
.toast.success {
background-color: var(--accent-color);
}
.toast.error {
background-color: var(--danger-color);
}
/* 空状态 */
.empty-state {
grid-column: 1 / -1;
text-align: center;
padding: 3rem;
color: var(--light-text);
}
.empty-icon {
font-size: 4rem;
margin-bottom: 1rem;
opacity: 0.5;
}
/* 页脚样式 */
footer {
background-color: var(--primary-color);
color: white;
padding: 2rem 0;
margin-top: 3rem;
}
.footer-content {
display: flex;
justify-content: space-between;
flex-wrap: wrap;
}
.footer-section {
flex: 1;
min-width: 250px;
margin-bottom: 1.5rem;
}
.footer-section h3 {
margin-bottom: 1rem;
font-size: 1.2rem;
}
.footer-section p, .footer-section a {
color: #bdc3c7;
margin-bottom: 0.5rem;
display: block;
}
.copyright {
text-align: center;
padding-top: 1.5rem;
border-top: 1px solid rgba(255, 255, 255, 0.1);
margin-top: 1.5rem;
color: #bdc3c7;
font-size: 0.9rem;
}
/* 响应式设计 */
@media (max-width: 768px) {
.header-content {
flex-direction: column;
text-align: center;
}
.logo {
margin-bottom: 1rem;
}
nav ul {
flex-direction: column;
width: 100%;
display: none;
}
nav ul.show {
display: flex;
}
nav li {
margin: 0.5rem 0;
}
.mobile-menu {
display: block;
position: absolute;
right: 15px;
top: 1.5rem;
}
.hero h1 {
font-size: 2rem;
}
.hero p {
font-size: 1rem;
}
.file-list {
grid-template-columns: 1fr;
}
.footer-content {
flex-direction: column;
}
}
@media (max-width: 480px) {
.upload-area {
padding: 1.5rem;
}
.files-section, .upload-section {
padding: 1.5rem;
}
.file-filters {
justify-content: center;
}
.modal-content {
padding: 1.5rem;
}
}
</style>
</head>
<body>
<!-- 头部区域 -->
<header>
<div class="container">
<div class="header-content">
<div class="logo">
<span class="logo-icon">📚</span>
<span>学术讨论班</span>
</div>
<nav>
<ul id="nav-menu">
<li><a href="#"><i class="fas fa-home"></i> 首页</a></li>
<li><a href="#" class="active"><i class="fas fa-file-alt"></i> 课程资料</a></li>
<li><a href="#"><i class="fas fa-comments"></i> 讨论区</a></li>
<li><a href="#"><i class="fas fa-users"></i> 成员</a></li>
<li><a href="#"><i class="fas fa-info-circle"></i> 关于</a></li>
</ul>
</nav>
<button class="mobile-menu" id="mobile-menu">☰</button>
</div>
</div>
</header>
<!-- 主要内容区域 -->
<main>
<!-- 英雄区域 -->
<section class="hero">
<div class="container">
<h1>课程文件与资料管理系统</h1>
<p>在这里上传、查看、管理和下载讨论班的所有课程资料、讲义和补充材料</p>
</div>
</section>
<div class="container">
<!-- 文件上传区域 -->
<section class="upload-section">
<h2 class="section-title">
<i class="fas fa-cloud-upload-alt"></i> 上传新文件
</h2>
<div class="upload-area" id="upload-area">
<div class="upload-icon"><i class="fas fa-folder-open"></i></div>
<p class="upload-text">拖放文件到此处或点击上传</p>
<button class="upload-btn" id="upload-trigger"><i class="fas fa-plus"></i> 选择文件</button>
<input type="file" id="file-input" class="file-input" multiple>
</div>
<p><i class="fas fa-info-circle"></i> 支持格式：PDF, DOC, PPT, ZIP, 图片等 (最大 50MB)</p>
</section>
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<i class="fas fa-folder"></i> 课程文件
<span style="font-size: 1rem; margin-left: 10px; color: var(--light-text);" id="file-count">(6个文件)</span>
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