正好商城

body {
font-family: Arial, sans-serif;
line-height: 1.6;
}
h1, h2, h3 {
color: #333;
}
.toc {
background: #f0f0f0;
border: 1px solid #ccc;
padding: 15px;
margin: 20px 0;
}
.toc h2 {
margin-top: 0;
}
.toc a {
display: block;
color: #007BFF;
text-decoration: none;
margin: 5px 0;
}
.toc a:hover {
text-decoration: underline;
}
.back-to-toc {
font-size: 0.9em;
margin-left: 8px;
}
.back-to-toc a {
color: #007BFF;
text-decoration: none;
}
.back-to-toc a:hover {
text-decoration: underline;
}