* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
--primary-color: #750075;
--primary-light: #a64ca6;
--text-color: #333;
--light-gray: #f5f5f5;
--medium-gray: #e0e0e0;
--white: #ffffff;
--shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
--transition: all 0.3s ease;
}

body {
color: var(--text-color);
line-height: 1.6;
background-color: var(--light-gray);
}

a {
text-decoration: none;
color: var(--primary-color);
transition: var(--transition);
}

a:hover {
color: var(--primary-light);
}

.container {
width: 100%;
max-width: 1200px;
margin: 0 auto;
padding: 0 15px;
}

/* 导航栏样式 */
header {
background-color: var(--primary-color);
color: var(--white);
padding: 15px 0;
position: sticky;
top: 0;
z-index: 100;
box-shadow: var(--shadow);
}

.nav-container {
display: flex;
justify-content: space-between;
align-items: center;
}

.logo {
font-size: 1.5rem;
font-weight: bold;
color: var(--white);
}

.nav-menu {
display: flex;
list-style: none;
}

.nav-menu li {
margin-left: 25px;
}

.nav-menu a {
color: var(--white);
font-weight: 500;
}

.nav-menu a:hover {
color: var(--medium-gray);
}

.hamburger {
display: none;
flex-direction: column;
cursor: pointer;
}

.hamburger span {
width: 25px;
height: 3px;
background-color: var(--white);
margin: 2px 0;
transition: var(--transition);
}

/* 主要内容区域 */
main {
padding: 30px 0;
}

.section {
background-color: var(--white);
border-radius: 8px;
padding: 25px;
margin-bottom: 30px;
box-shadow: var(--shadow);
}

.section-title {
color: var(--primary-color);
margin-bottom: 20px;
padding-bottom: 10px;
border-bottom: 2px solid var(--primary-light);
font-size: 1.5rem;
}

/* 面包屑导航 */
.breadcrumb {
margin: 30px 0;
font-size: 0.9rem;
color: #666;
}

.breadcrumb a {
color: var(--primary-color);
}

.breadcrumb a:hover {
text-decoration: underline;
}

.breadcrumb span {
margin: 0 5px;
}

/* 主要内容布局 */
.main-content {
display: grid;
grid-template-columns: 2fr 1fr;
gap: 30px;
}

/* 左侧内容区域 */
.left-column {
display: flex;
flex-direction: column;
gap: 30px;
}

/* 文章详情头部 */
.article-header {
display: grid;
grid-template-columns: 100px 1fr;
gap: 20px;
align-items: start;
}

.article-thumbnail {
width: 100px;
height: 100px;
border-radius: 6px;
overflow: hidden;
flex-shrink: 0;
background-size: cover;
background-position: center;
background-color: var(--medium-gray);
}

.article-title-info {
display: flex;
flex-direction: column;
gap: 10px;
}

.article-title {
font-size: 1.8rem;
font-weight: bold;
line-height: 1.3;
color: var(--text-color);
}

.article-meta {
display: flex;
gap: 20px;
color: #666;
font-size: 0.9rem;
}

.article-meta span {
display: flex;
align-items: center;
}

.author::before {
content: "👤";
margin-right: 5px;
font-size: 1rem;
}

.date::before {
content: "📅";
margin-right: 5px;
font-size: 1rem;
}

.views::before {
content: "👁️";
margin-right: 5px;
font-size: 1rem;
}

/* 文章导读 */
.article-summary {
background-color: var(--light-gray);
padding: 15px;
border-left: 4px solid var(--primary-color);
border-radius: 4px;
font-style: italic;
margin: 15px 0;
}

/* 文章内容 */
.article-content {
line-height: 1.8;
font-size: 1.05rem;
}

.article-content h2 {
color: var(--primary-color);
margin: 25px 0 15px;
padding-bottom: 8px;
border-bottom: 1px solid var(--medium-gray);
}

.article-content h3 {
color: var(--primary-light);
margin: 20px 0 12px;
}

.article-content p {
margin-bottom: 15px;
}

.article-content ul, .article-content ol {
margin: 15px 0;
padding-left: 25px;
}

.article-content li {
margin-bottom: 8px;
}

.article-content blockquote {
border-left: 4px solid var(--primary-light);
background-color: var(--light-gray);
padding: 15px 20px;
margin: 20px 0;
font-style: italic;
}

.article-content code {
background-color: var(--light-gray);
padding: 2px 6px;
border-radius: 3px;
font-family: 'Courier New', monospace;
}

.article-content pre {
background-color: var(--light-gray);
padding: 15px;
border-radius: 6px;
overflow-x: auto;
margin: 20px 0;
}

.article-content img {
display: block;
max-width: 100%;
height: auto;
margin: 0 auto;
}

/* 文章导航 */
.article-navigation {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-top: 40px;
}

.nav-item {
padding: 15px;
border: 1px solid var(--medium-gray);
border-radius: 6px;
transition: var(--transition);
}

.nav-item:hover {
border-color: var(--primary-color);
transform: translateY(-3px);
box-shadow: var(--shadow);
}

.nav-item.prev {
text-align: left;
}

.nav-item.next {
text-align: right;
}

.nav-label {
font-size: 0.9rem;
color: #666;
margin-bottom: 5px;
}

.nav-title {
font-weight: 500;
color: var(--text-color);
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

/* 右侧内容区域 */
.right-column {
display: flex;
flex-direction: column;
gap: 30px;
}

/* 侧边栏列表 */
.sidebar-list {
display: flex;
flex-direction: column;
gap: 15px;
}

.sidebar-item {
padding: 12px 0;
border-bottom: 1px dashed var(--medium-gray);
transition: var(--transition);
}

.sidebar-item:last-child {
border-bottom: none;
}

.sidebar-item a {
color: var(--text-color);
display: block;
line-height: 1.4;
}

.sidebar-item a:hover {
color: var(--primary-color);
padding-left: 5px;
}

/* 底部样式 */
footer {
background-color: var(--primary-color);
color: var(--white);
padding: 20px 0;
text-align: center;
}

footer a {
color: var(--white);
}

/* 响应式设计 */
@media (max-width: 1024px) {
.nav-item.next {
text-align: left;
}

.hamburger {
display: flex;
}

.nav-menu {
position: fixed;
left: -100%;
top: 70px;
flex-direction: column;
background-color: var(--primary-color);
width: 100%;
text-align: center;
transition: 0.3s;
box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
padding: 20px 0;
}

.nav-menu.active {
left: 0;
}

.nav-menu li {
margin: 15px 0;
}

.main-content {
gap: 20px;
}

.copyright {
display: none;
}
}

@media (max-width: 768px) {
.main-content {
grid-template-columns: 1fr;
}

.article-header {
grid-template-columns: 1fr;
gap: 15px;
}

.article-thumbnail {
width: 100%;
height: 200px;
}

.article-meta {
flex-direction: column;
gap: 5px;
}

.article-navigation {
grid-template-columns: 1fr;
}
}

@media (max-width: 500px) {
.article-title {
font-size: 1.5rem;
}

.section {
padding: 20px 15px;
}
}