:root {
  --primary: #4361ee;
  --primary-light: #e6f0ff;
  --primary-dark: #3a0ca3;
  --secondary: #4cc9f0;
  --accent: #f72585;
  --dark: #2b2d42;
  --gray-dark: #4a4e69;
  --gray-medium: #8e9aaf;
  --gray-light: #f8f9fa;
  --white: #ffffff;
  --success: #4ade80;
  --warning: #fbbf24;
  --error: #f87171;
  --border-radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-dark);
  line-height: 1.6;
  background-color: var(--gray-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 头部样式 */
.hero {
  background: linear-gradient(135deg,rgb(218, 233, 255),rgb(201, 225, 255), rgb(173, 209, 255),rgb(133, 168, 244)),
  radial-gradient(
      ellipse at 20% 20%,
      rgba(255, 255, 255, 0.25) 0%,
      transparent 50%
  );
    color: #19191af2;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 60px;
    padding-bottom: 100px;
    padding-top: 10px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-family: 'Manrope', sans-serif;
  font-size: 3.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

.search-bar {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 16px 24px;
  border-radius: 50px;
  border: none;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  padding-left: 50px;
}

.search-bar i {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-medium);
}

/* 主要内容区 */
.documentation {
  padding-bottom: 80px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.section-title {
  font-family: 'Manrope', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 50px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.view-all {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.view-all:hover {
  color: var(--primary-dark);
}

/* 文档分类网格 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.category-card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
}

.category-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 12px;
}

.category-card h3 i {
  color: var(--primary);
  font-size: 1.8rem;
}

.category-card p {
  color: var(--gray-medium);
  margin-bottom: 24px;
}

.document-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.document-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.document-item:hover {
  background: var(--primary-light);
}

.document-item .icon {
  width: 36px;
  height: 36px;
  background: var(--primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
  flex-shrink: 0;
}

.document-item .icon i {
  color: var(--primary);
  font-size: 1rem;
}

.document-item a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.document-item a:hover {
  color: var(--primary);
}

.document-item .arrow {
  color: var(--gray-medium);
  transition: var(--transition);
}

.document-item:hover .arrow {
  color: var(--primary);
  transform: translateX(3px);
}

/* 特色部分 */
.featured {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  padding: 40px;
  margin-bottom: 60px;
  display: flex;
  align-items: center;
  gap: 40px;
}

@media (max-width: 768px) {
  .featured {
    padding: 20px;
    gap: 0px;
  }
}

.featured-image {
  flex: 1;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.featured-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: all 0.8s ease-in-out;
}

.featured-image:hover img {
  transform: scale(1.03);
}

.featured-content {
  flex: 1;
}

.featured-content h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}

@media (max-width: 768px) {
  .featured-content h3 {
    font-size: 1.4rem;
  }
}

.featured-content p {
  color: var(--gray-medium);
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  gap: 8px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* 页脚 */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--white);
  transform: translateX(4px);
}

.footer-links a i {
  font-size: 0.8rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .hero h1 {
      font-size: 2.8rem;
  }
  
  .featured {
      flex-direction: column;
  }
  
  .featured-image {
      margin-bottom: 30px;
  }
}

@media (max-width: 768px) {
  .hero {
      padding: 0 0 60px;
  }
  
  .hero h1 {
      font-size: 1.7rem;
  }
  
  .hero p {
      font-size: 1rem;
  }
  
  .category-grid {
      grid-template-columns: 1fr;
  }
  
  .section-title {
      font-size: 1.6rem;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  .search-bar input {
      padding: 12px 20px;
      padding-left: 40px;
  }

  .category-card {
      padding: 24px;
  }

  .document-item {
      padding: 10px 12px;
  }

  .document-item .icon {
      width: 30px;
      height: 30px;
      margin-right: 12px;
  }
}

/* 头部样式 */
.article-header {
  background: linear-gradient(135deg,rgb(218, 233, 255),rgb(201, 225, 255), rgb(173, 209, 255),rgb(133, 168, 244)),
  radial-gradient(
      ellipse at 20% 20%,
      rgba(255, 255, 255, 0.25) 0%,
      transparent 50%
  );
color:  #19191af2;
padding: 80px 0 60px;
margin-bottom: 40px;
position: relative;
overflow: hidden;
}

.article-header::before {
content: "";
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.article-header-content {
position: relative;
z-index: 2;
}

.breadcrumb {
display: flex;
align-items: center;
margin-bottom: 20px;
font-size: 0.9rem;
opacity: 0.9;
}

.breadcrumb a {
color:  #19191af2;
text-decoration: none;
transition: var(--transition);
}

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

.breadcrumb i {
margin: 0 10px;
font-size: 0.8rem;
opacity: 0.7;
}

.article-title {
font-family: 'Playfair Display', serif;
font-size: 2.5rem;
font-weight: 700;
margin-bottom: 15px;
line-height: 1.3;
}

.article-meta {
display: flex;
align-items: center;
gap: 20px;
font-size: 0.9rem;
opacity: 0.9;
}

.article-meta-item {
display: flex;
align-items: center;
gap: 5px;
}

/* 文章内容样式 */
.article-content {
background: var(--white);
border-radius: var(--border-radius);
box-shadow: var(--shadow-sm);
padding: 50px;
margin-bottom: 40px;
position: relative;
overflow: hidden;
}

.article-content::before {
content: "";
position: absolute;
top: 0;
left: 0;
width: 4px;
height: 100%;
background: var(--primary);
}

.content-section {
margin-bottom: 40px;
}

.content-section h3 {
font-family: 'Playfair Display', serif;
font-size: 1.5rem;
font-weight: 600;
color: var(--dark);
margin-bottom: 20px;
position: relative;
/* padding-left: 20px; */
}
/* 
.content-section h3::before {
content: "";
position: absolute;
left: 0;
top: 10px;
width: 8px;
height: 8px;
background: var(--primary);
border-radius: 50%;
} */

.content-text {
color: var(--gray-dark);
}

.method-card {
background: var(--primary-light);
border-radius: 8px;
padding: 25px;
margin-bottom: 20px;
border-left: 4px solid var(--primary);
}

.method-card h4 {
font-size: 1.2rem;
font-weight: 600;
color: var(--primary-dark);
margin-bottom: 15px;
display: flex;
align-items: center;
gap: 10px;
}

.method-card h4 i {
font-size: 1.3rem;
}

.method-steps {
list-style-type: none;
}

.method-steps li {
position: relative;
padding-left: 30px;
margin-bottom: 15px;
}

.method-steps li::before {
content: "";
position: absolute;
left: 0;
top: 10px;
width: 16px;
height: 16px;
background: var(--white);
border: 2px solid var(--primary);
border-radius: 50%;
}

.method-steps li::after {
content: "";
position: absolute;
left: 6px;
top: 16px;
width: 4px;
height: 4px;
background: var(--primary);
border-radius: 50%;
}

/* 图片示例 */
.image-example {
margin: 30px 0;
text-align: center;
}

.image-example img {
max-width: 100%;
height: auto;
border-radius: 8px;
box-shadow: var(--shadow-md);
transition: var(--transition);
}

.image-example img:hover {
box-shadow: var(--shadow-lg);
}

.image-caption {
margin-top: 10px;
font-size: 0.9rem;
color: var(--gray-medium);
font-style: italic;
}

/* 原文链接 */
.original-link {
display: inline-flex;
align-items: center;
gap: 8px;
color: var(--primary);
text-decoration: none;
font-weight: 500;
padding: 12px 20px;
border: 1px solid var(--primary);
border-radius: 50px;
transition: var(--transition);
margin-top: 20px;
}

.original-link:hover {
background: var(--primary-light);
transform: translateY(-2px);
}

/* 相关文章 */
.related-articles {
margin-top: 60px;
}

.related-title {
font-family: 'Playfair Display', serif;
font-size: 1.5rem;
font-weight: 600;
color: var(--dark);
margin-bottom: 30px;
position: relative;
padding-bottom: 15px;
}

.related-title::after {
content: "";
position: absolute;
bottom: 0;
left: 0;
width: 60px;
height: 3px;
background: var(--primary);
}

.related-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 20px;
}

.related-card {
background: var(--white);
border-radius: var(--border-radius);
box-shadow: var(--shadow-sm);
padding: 25px;
transition: var(--transition);
}

.related-card:hover {
transform: translateY(-5px);
box-shadow: var(--shadow-lg);
}

.related-card h4 {
font-size: 1.1rem;
font-weight: 600;
margin-bottom: 10px;
color: var(--dark);
}

.related-card p {
color: var(--gray-medium);
font-size: 0.9rem;
margin-bottom: 15px;
}

.related-link {
display: inline-flex;
align-items: center;
gap: 5px;
color: var(--primary);
text-decoration: none;
font-size: 0.9rem;
font-weight: 500;
}

.related-link i {
transition: var(--transition);
}

.related-link:hover i {
transform: translateX(3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
.article-header {
    padding: 60px 0 40px;
}

.article-title {
    font-size: 2rem;
}

.article-content {
    padding: 30px;
}

.content-section h3 {
    font-size: 1.3rem;
}
}

@media (max-width: 480px) {
.article-header {
    padding: 50px 0 30px;
}

.article-title {
    font-size: 1.8rem;
}

.article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.method-card {
    padding: 20px;
}
}

/* 添加搜索高亮样式 */
.highlight {
color: rgb(251, 78, 78);
font-weight: bold;
}
/* 无结果提示样式 */
.no-results {
  display: none;
  padding: 20px;
  text-align: center;
  color: #666;
  font-size: 16px;
}

.content-section i{
  color: rgb(67, 97, 238);
}

.anygraphHeader-logo {
  text-align: left;
}

.anygraphHeader-logo img {
  width: 180px;
  height: auto;
  vertical-align: middle;
  margin: 10px 0;
  transition: all 0.8s ease-in-out;
}

.anygraphHeader-logo img:hover{
  transform: scale(1.1);
}

@media (max-width: 768px) {
  .anygraphHeader-logo img {
    width: 143px;
    margin: 20px 0;
  }
}