/* Reset & 基础 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 设置根字体大小，1rem = 10px */
html {
  font-size: 62.5%; /* 16px * 62.5% = 10px */
}

/* 确保文章卡片内的所有元素都没有边框 */
.post-card * {
  border: none !important;
  outline: none !important;
}

/* Bootstrap 类似的 flexbox 样式 */
.h-100 {
  height: 100vh !important;
}

.d-flex {
  display: flex !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-shrink-0 {
  flex-shrink: 0 !important;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #f7f8fa;
  color: #222;
  line-height: 1.7;
  font-size: 1.6rem; /* 16px，正常阅读字体大小 */
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

/* Header */
.header {
  background: #fff;
  border-bottom: 1px solid #e3e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: all 0.2s;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.mobile-menu-toggle:hover {
  background: #f0f4fa;
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* 移动端导航菜单 */
.mobile-nav {
  display: none;
  background: #fff;
  border-top: 1px solid #e3e8f0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-nav.active {
  max-height: 400px;
  padding: 1rem 0;
}

.mobile-nav a {
  display: block;
  padding: 0.8rem 1.5rem;
  color: #555;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid #f5f5f5;
  position: relative;
  transition: all 0.2s;
}

.mobile-nav a:hover {
  background: #f8f9fa;
  color: #0056b3;
  padding-left: 2rem;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a.active {
  background: #f8fbff;
  color: #0056b3;
  font-weight: 500;
}

.mobile-nav a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 50%;
  background: #0056b3;
  border-radius: 0 2px 2px 0;
}

.logo {
  font-size: 2.4rem; /* 24px，logo更大更突出 */
  font-weight: 700;
  color: #0056b3;
  letter-spacing: 1px;
  text-decoration: none;
  margin-right: 2rem;
}
.nav {
  display: flex;
  gap: 1.5rem;
}
.nav a {
  color: #555;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.6rem; /* 16px，导航链接 */
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  position: relative;
  transition: all 0.2s ease;
}
.nav a:hover {
  background: #f0f4fa;
  color: #0056b3;
}

.nav a.active {
  background: #f8fbff;
  color: #0056b3;
  font-weight: 500;
}

.nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 3px;
  background: #0056b3;
  border-radius: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
}

/* 搜索按钮样式 */
.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-toggle:hover {
  background: #f0f0f0;
}

.search-toggle img {
  width: 20px;
  height: 20px;
}

/* 搜索弹窗样式 */
.search-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.search-modal.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.search-modal-content {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 800px;
  max-height: 70vh;
  overflow: hidden;
}

.search-modal-header {
  display: flex;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid #f0f0f0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.8rem; /* 18px，搜索输入框 */
  padding: 0.5rem 0;
  color: #333;
}

.search-input::placeholder {
  color: #999;
}

.search-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #999;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  margin-left: 1rem;
  transition: all 0.2s;
}

.search-close:hover {
  background: #f0f0f0;
  color: #666;
}

/* 搜索结果样式 */
.search-results {
  max-height: 50vh;
  overflow-y: auto;
}

.search-result-item {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #f5f5f5;
  cursor: pointer;
  transition: all 0.2s;
}

.search-result-item:hover {
  background: #f8f9fa;
}

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

.search-result-title {
  font-size: 1rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 0.3rem;
  line-height: 1.4;
}

.search-result-meta {
  font-size: 0.85rem;
  color: #666;
  display: flex;
  gap: 1rem;
}

.search-result-category {
  color: #0056b3;
}

.search-no-results {
  padding: 2rem 1.5rem;
  text-align: center;
  color: #666;
  font-size: 0.95rem;
}

.search-loading {
  padding: 2rem 1.5rem;
  text-align: center;
  color: #666;
  font-size: 0.95rem;
}

/* Main Layout */
.main {
  padding: 1rem 0 2rem 0;
  min-height: 70vh;
}

.page-header {
  text-align: center;
  padding: 2rem 0 3rem 0;
}

.page-header h1 {
  font-size: 3.2rem; /* 32px，页面主标题 */
  font-weight: 700;
  color: #222;
  margin-bottom: 0.5rem;
}

.page-description {
  color: #666;
  font-size: 1.8rem; /* 18px，页面描述文字 */
}

/* 文章网格布局 */
.posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.post-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 1.8rem;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.post-card:hover {
  box-shadow: 0 8px 32px rgba(0, 86, 179, 0.12);
  transform: translateY(-4px);
  border-color: #e5eaff;
}

.post-header {
  margin-bottom: 1rem;
  border: none;
  outline: none;
}

.post-title {
  font-size: 2rem; /* 20px，文章标题 */
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  border: none;
  border-bottom: none;
}

.post-title a {
  color: #222;
  text-decoration: none;
  transition: color 0.2s;
  border: none;
  border-bottom: none;
  outline: none;
}

.post-title a:hover {
  color: #0056b3;
}

.post-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 0;
  border: none;
  outline: none;
  box-shadow: none;
}

.post-meta-row {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: center;
  border: none;
  outline: none;
}

.post-meta > span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.post-meta .icon {
  font-size: 0.9rem;
  margin-right: 0.4rem;
  color: #6c757d;
  opacity: 0.8;
}

.author-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M616.580355 560.434694L580.241667 596.841624l-171.047739 90.966142c-18.220525 10.918667-25.488263 29.139192-14.569596 47.325597l83.698405 171.047739 14.569596 76.430668H343.647806c-174.698669 0-309.339479 0-309.339478-94.617072v-18.220525C34.308328 691.458696 172.600067 545.93334 343.647806 545.93334h181.966407c32.756 0 61.861072 3.616808 90.966142 14.535475zM416.461666 0c131.024002 0 236.55974 112.803476 236.55974 254.746145s-105.535739 254.746145-236.55974 254.746144-236.55974-112.803476-236.559741-254.746144S285.437664 0 416.461666 0z' fill='%231296db'/%3E%3Cpath d='M518.312354 760.587505l76.430668 80.081597c7.301858 7.267738 10.918667 18.186404 10.918667 29.105071l-18.186405 112.837597c-3.650929 29.105071 21.837334 47.291476 47.325597 36.372809l94.617072-50.942405c10.918667-3.650929 21.837334-3.650929 29.105071 0l94.617072 50.942405c25.488263 14.569596 50.942405-7.267738 47.325596-36.372809l-18.220525-112.837597c-3.616808-10.918667 0-21.837334 10.918667-29.105071l76.430667-80.081597c18.186404-18.186404 7.267738-54.593334-18.186404-58.210143l-105.535739-14.569596c-10.918667 0-18.220525-7.267738-25.488263-18.186404l-47.291475-101.884809c-3.650929-10.918667-18.220525-18.220525-29.139192-18.220526-10.918667 0-25.454142 7.301858-29.105071 18.220526l-47.325597 101.884809a27.364909 27.364909 0 0 1-25.454142 18.186404l-105.535739 14.569596c-29.105071 3.650929-40.023738 36.40693-18.220525 58.210143z' fill='%231296db' opacity='0.3'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.time-icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M511.926857 0.804571A511.707429 511.707429 0 0 0 0.731429 512 511.707429 511.707429 0 0 0 512 1023.049143 511.707429 511.707429 0 0 0 1023.049143 512 511.707429 511.707429 0 0 0 511.926857 0.804571z' fill='%2309B590'/%3E%3Cpath d='M709.851429 637.220571L533.211429 535.04v-278.674286a42.642286 42.642286 0 0 0-85.211429 0v298.203429c0 15.798857 19.602286 29.037714 32.402286 36.352 3.510857 5.339429 13.238857 10.166857 19.163428 13.531428L675.254857 710.948571c20.406857 11.702857 42.422857 4.754286 54.198857-15.579428 11.702857-20.333714 0.804571-46.372571-19.602285-58.148572z' fill='%23FFFFFF'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.post-summary {
  color: #444;
  font-size: 1.4rem; /* 14px，文章摘要 */
  line-height: 1.6;
  margin-bottom: 1rem;
  margin-top: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 空状态样式 */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: #666;
  font-size: 1.1rem;
}

.empty-state p {
  margin: 0;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 3rem 0 0 0;
  padding: 2rem 0;
}

.page-link {
  display: flex;
  align-items: center;
  padding: 0.8rem 1.2rem;
  background: #fff;
  color: #0056b3;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid #e5eaff;
  font-weight: 500;
  transition: all 0.2s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.page-link:hover {
  background: #0056b3;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 86, 179, 0.2);
}

.page-numbers {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.page-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #fff;
  color: #666;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid #e5e5e5;
  font-weight: 500;
  transition: all 0.2s;
}

.page-number:hover {
  background: #0056b3;
  color: #fff;
  border-color: #0056b3;
}

.page-number.current {
  background: #0056b3;
  color: #fff;
  border-color: #0056b3;
  font-weight: 600;
}

.page-ellipsis {
  padding: 0 0.5rem;
  color: #999;
}

/* 文章详情页 */
.post-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  padding: 2rem 1.2rem;
}

/* 左侧文档导航 */
.post-nav {
  width: 280px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e3e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.post-nav-content {
  padding: 1.5rem;
}

.post-nav-header {
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e9ecef;
}

.post-nav-header h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: #333;
  margin: 0;
}

.post-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-nav-item {
  margin-bottom: 0.4rem;
}

.post-nav-link {
  display: block;
  padding: 0.6rem 0.8rem;
  color: #666;
  text-decoration: none;
  font-size: 1.3rem;
  border-radius: 6px;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  position: relative;
}

.post-nav-link:hover {
  background: #f8f9fa;
  color: #0056b3;
  border-left-color: #0056b3;
}

.post-nav-link.active {
  background: #e3f2fd;
  color: #0056b3;
  border-left-color: #0056b3;
  font-weight: 500;
}

/* 不同层级的标题缩进 */
.post-nav-link.level-1 {
  font-weight: 600;
  font-size: 1.4rem;
}

.post-nav-link.level-2 {
  padding-left: 1.6rem;
  font-size: 1.3rem;
}

.post-nav-link.level-3 {
  padding-left: 2.4rem;
  font-size: 1.2rem;
  color: #777;
}

.post-nav-link.level-4 {
  padding-left: 3.2rem;
  font-size: 1.1rem;
  color: #888;
}

.post-nav-link.level-5,
.post-nav-link.level-6 {
  padding-left: 4rem;
  font-size: 1.1rem;
  color: #999;
}

/* 右侧内容区域 */
.post-content-wrapper {
  flex: 1;
  min-width: 0; /* 防止flex item超出容器 */
}

.post-detail {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  padding: 3rem;
  margin-bottom: 2rem;
  border: 1px solid #f0f0f0;
}

.post-detail .post-header {
  border-bottom: 1px solid #f0f0f0;
}

.post-detail .post-title {
  font-size: 3.6rem; /* 36px，文章详情页标题 */
  font-weight: 700;
  color: #222;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.post-detail .post-meta {
  display: flex;
  gap: 2rem;
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.post-detail .post-meta > span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.post-detail .post-meta .icon {
  font-size: 0.9rem;
}

.post-content {
  font-size: 1.6rem; /* 16px，文章正文内容 */
  line-height: 1.8;
  color: #333;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin: 2rem 0 1rem 0;
  color: #222;
  font-weight: 600;
}

.post-content h1 {
  font-size: 2.8rem; /* 28px */
}
.post-content h2 {
  font-size: 2.4rem; /* 24px */
}
.post-content h3 {
  font-size: 2rem; /* 20px */
}
.post-content h4 {
  font-size: 1.8rem; /* 18px */
}

.post-content p {
  margin-bottom: 1.5rem;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin: 1.5rem 0;
  display: block;
}

.post-content pre {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid #e9ecef;
}

.post-content code {
  background: #f1f3f4;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: #d63384;
}

.post-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.post-content blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: #f8f9fa;
  border-left: 4px solid #0056b3;
  border-radius: 0 8px 8px 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post-content th,
.post-content td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}

.post-content th {
  background: #f8f9fa;
  font-weight: 600;
  color: #495057;
}

.post-content ul,
.post-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

/* Footer */
.footer {
  background: #222;
  color: #ccc;
  text-align: center;
  padding: 1rem 0;
  margin-top: auto;
  border-top: 3px solid #0056b3;
}

.footer p {
  margin: 0.5rem 0;
}

.footer a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.2s;
}

.footer a:hover {
  color: #0056b3;
  text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .container {
    padding: 0 1rem;
  }

  .posts-grid {
    gap: 1.2rem;
  }
}

@media (max-width: 768px) {
  .posts-grid {
    gap: 1rem;
  }

  .page-header h1 {
    font-size: 2.8rem; /* 28px，移动端页面标题 */
  }

  .page-header {
    padding: 1.5rem 0 2.5rem 0;
  }

  .post-card {
    padding: 1.5rem;
  }

  .post-title {
    font-size: 1.8rem; /* 18px，移动端文章标题 */
  }

  .post-meta-row {
    gap: 1rem;
    font-size: 1.1rem;
  }

  .post-summary {
    font-size: 0.9rem;
    -webkit-line-clamp: 3;
    margin-top: 0;
  }

  .pagination {
    gap: 0.5rem;
    flex-direction: column;
  }

  .page-numbers {
    order: -1;
  }

  .page-link {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

  .page-number {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

  .header-flex {
    gap: 1rem;
    justify-content: space-between;
  }

  /* 显示移动端菜单按钮 */
  .mobile-menu-toggle {
    display: flex;
    order: 1;
  }

  /* Logo居中 */
  .logo {
    order: 2;
    margin: 0;
    flex: 1;
    text-align: center;
    font-size: 2rem; /* 20px，移动端logo */
  }

  /* 隐藏桌面端导航 */
  .desktop-nav {
    display: none;
  }

  /* 显示移动端导航 */
  .mobile-nav {
    display: block;
  }

  .header-actions {
    order: 3;
  }

  .search-toggle {
    padding: 0.3rem;
  }

  .search-toggle img {
    width: 16px;
    height: 16px;
  }

  /* 移动端搜索弹窗样式 */
  .search-modal.active {
    padding-top: 5vh;
  }

  .search-modal-content {
    width: 95%;
    max-height: 80vh;
  }

  .search-modal-header {
    padding: 1rem;
  }

  .search-input {
    font-size: 1rem;
  }

  .search-close {
    font-size: 1.2rem;
    padding: 0.3rem;
    margin-left: 0.5rem;
  }

  .search-result-item {
    padding: 0.8rem 1rem;
  }

  .search-result-title {
    font-size: 0.9rem;
  }

  .search-result-meta {
    font-size: 0.8rem;
    gap: 0.5rem;
  }

  /* 详情页平板端优化 */
  .post-layout {
    flex-direction: column;
    gap: 2rem;
    padding: 1.5rem 1rem;
  }

  /* 平板端隐藏导航 */
  .post-nav {
    display: none;
  }

  /* 平板端内容区域占满全宽 */
  .post-content-wrapper {
    width: 100%;
  }

  .post-detail .post-meta-row {
    flex-direction: column;
    gap: 0.8rem;
    align-items: flex-start;
  }

  .post-detail .post-meta > span {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .posts-grid {
    gap: 0.8rem;
  }

  .container {
    padding: 0 0.8rem;
  }

  .main {
    padding: 1.5rem 0;
  }

  .page-header {
    padding: 1rem 0 2rem 0;
  }

  .page-header h1 {
    font-size: 2.4rem; /* 24px，小屏幕页面标题 */
  }

  .post-card {
    padding: 1.2rem;
  }

  .post-title {
    font-size: 1.6rem; /* 16px，小屏幕文章标题 */
  }

  .post-meta-row {
    font-size: 1rem;
    gap: 0.8rem;
  }

  .post-summary {
    font-size: 0.85rem;
  }

  .header-flex {
    justify-content: space-between;
  }

  /* 显示移动端菜单按钮 */
  .mobile-menu-toggle {
    display: flex;
    order: 1;
  }

  /* Logo居中 */
  .logo {
    order: 2;
    margin: 0;
    flex: 1;
    text-align: center;
    font-size: 1.8rem; /* 18px，小屏幕logo */
  }

  /* 隐藏桌面端导航 */
  .desktop-nav {
    display: none;
  }

  /* 显示移动端导航 */
  .mobile-nav {
    display: block;
  }

  .header-actions {
    order: 3;
  }

  .search-toggle {
    padding: 0.3rem;
  }

  .search-toggle img {
    width: 16px;
    height: 16px;
  }

  /* 文章详情页移动端样式 */
  .post-layout {
    padding: 1rem 0.5rem;
    flex-direction: column;
    gap: 0;
  }

  /* 移动端隐藏导航 */
  .post-nav {
    display: none;
  }

  /* 移动端内容区域占满全宽 */
  .post-content-wrapper {
    width: 100%;
  }

  .post-detail {
    padding: 2rem 1.5rem;
  }

  .post-detail .post-title {
    font-size: 2.8rem; /* 28px，移动端详情页标题 */
  }

  .post-detail .post-meta {
    gap: 0.5rem;
  }

  /* 移动端详情页元信息 - 每行一个元素 */
  .post-detail .post-meta-row {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .post-detail .post-meta > span {
    font-size: 1rem;
  }

  .post-content {
    font-size: 1.4rem; /* 14px，移动端文章内容 */
  }

  .post-content h1 {
    font-size: 2.4rem; /* 24px */
  }
  .post-content h2 {
    font-size: 2rem; /* 20px */
  }
  .post-content h3 {
    font-size: 1.8rem; /* 18px */
  }
  .post-content h4 {
    font-size: 1.6rem; /* 16px */
  }
}

/* 代码高亮样式 */
/* Background */
.bg {
  background-color: #ffffff;
}
/* PreWrapper */
.chroma {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid #e9ecef;
}
/* Error */
.chroma .err {
  color: #a61717;
  background-color: #e3d2d2;
}
/* LineTableTD */
.chroma .lntd {
  vertical-align: top;
  padding: 0;
  margin: 0;
  border: 0;
}
/* LineTable */
.chroma .lntable {
  border-spacing: 0;
  padding: 0;
  margin: 0;
  border: 0;
}
/* LineHighlight */
.chroma .hl {
  background-color: #e5e5e5;
}
/* LineNumbersTable */
.chroma .lnt {
  white-space: pre;
  user-select: none;
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: #7f7f7f;
}
/* LineNumbers */
.chroma .ln {
  white-space: pre;
  user-select: none;
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: #7f7f7f;
}
/* Line */
.chroma .line {
  display: flex;
}
/* Keyword */
.chroma .k {
  color: #000000;
  font-weight: bold;
}
/* KeywordConstant */
.chroma .kc {
  color: #000000;
  font-weight: bold;
}
/* KeywordDeclaration */
.chroma .kd {
  color: #000000;
  font-weight: bold;
}
/* KeywordNamespace */
.chroma .kn {
  color: #000000;
  font-weight: bold;
}
/* KeywordPseudo */
.chroma .kp {
  color: #000000;
  font-weight: bold;
}
/* KeywordReserved */
.chroma .kr {
  color: #000000;
  font-weight: bold;
}
/* KeywordType */
.chroma .kt {
  color: #445588;
  font-weight: bold;
}
/* NameAttribute */
.chroma .na {
  color: #008080;
}
/* NameBuiltin */
.chroma .nb {
  color: #0086b3;
}
/* NameBuiltinPseudo */
.chroma .bp {
  color: #999999;
}
/* NameClass */
.chroma .nc {
  color: #445588;
  font-weight: bold;
}
/* NameConstant */
.chroma .no {
  color: #008080;
}
/* NameDecorator */
.chroma .nd {
  color: #3c5d5d;
  font-weight: bold;
}
/* NameEntity */
.chroma .ni {
  color: #800080;
}
/* NameException */
.chroma .ne {
  color: #990000;
  font-weight: bold;
}
/* NameFunction */
.chroma .nf {
  color: #990000;
  font-weight: bold;
}
/* NameLabel */
.chroma .nl {
  color: #990000;
  font-weight: bold;
}
/* NameNamespace */
.chroma .nn {
  color: #555555;
}
/* NameTag */
.chroma .nt {
  color: #000080;
}
/* NameVariable */
.chroma .nv {
  color: #008080;
}
/* NameVariableClass */
.chroma .vc {
  color: #008080;
}
/* NameVariableGlobal */
.chroma .vg {
  color: #008080;
}
/* NameVariableInstance */
.chroma .vi {
  color: #008080;
}
/* LiteralString */
.chroma .s {
  color: #dd1144;
}
/* LiteralStringAffix */
.chroma .sa {
  color: #dd1144;
}
/* LiteralStringBacktick */
.chroma .sb {
  color: #dd1144;
}
/* LiteralStringChar */
.chroma .sc {
  color: #dd1144;
}
/* LiteralStringDelimiter */
.chroma .dl {
  color: #dd1144;
}
/* LiteralStringDoc */
.chroma .sd {
  color: #dd1144;
}
/* LiteralStringDouble */
.chroma .s2 {
  color: #dd1144;
}
/* LiteralStringEscape */
.chroma .se {
  color: #dd1144;
}
/* LiteralStringHeredoc */
.chroma .sh {
  color: #dd1144;
}
/* LiteralStringInterpol */
.chroma .si {
  color: #dd1144;
}
/* LiteralStringOther */
.chroma .sx {
  color: #dd1144;
}
/* LiteralStringRegex */
.chroma .sr {
  color: #009926;
}
/* LiteralStringSingle */
.chroma .s1 {
  color: #dd1144;
}
/* LiteralStringSymbol */
.chroma .ss {
  color: #990073;
}
/* LiteralNumber */
.chroma .m {
  color: #009999;
}
/* LiteralNumberBin */
.chroma .mb {
  color: #009999;
}
/* LiteralNumberFloat */
.chroma .mf {
  color: #009999;
}
/* LiteralNumberHex */
.chroma .mh {
  color: #009999;
}
/* LiteralNumberInteger */
.chroma .mi {
  color: #009999;
}
/* LiteralNumberIntegerLong */
.chroma .il {
  color: #009999;
}
/* LiteralNumberOct */
.chroma .mo {
  color: #009999;
}
/* Operator */
.chroma .o {
  color: #000000;
  font-weight: bold;
}
/* OperatorWord */
.chroma .ow {
  color: #000000;
  font-weight: bold;
}
/* Comment */
.chroma .c {
  color: #999988;
  font-style: italic;
}
/* CommentHashbang */
.chroma .ch {
  color: #999988;
  font-style: italic;
}
/* CommentMultiline */
.chroma .cm {
  color: #999988;
  font-style: italic;
}
/* CommentSingle */
.chroma .c1 {
  color: #999988;
  font-style: italic;
}
/* CommentSpecial */
.chroma .cs {
  color: #999999;
  font-weight: bold;
  font-style: italic;
}
/* CommentPreproc */
.chroma .cp {
  color: #999999;
  font-weight: bold;
  font-style: italic;
}
/* CommentPreprocFile */
.chroma .cpf {
  color: #999999;
  font-weight: bold;
  font-style: italic;
}
/* GenericDeleted */
.chroma .gd {
  color: #000000;
  background-color: #ffdddd;
}
/* GenericEmph */
.chroma .ge {
  color: #000000;
  font-style: italic;
}
/* GenericError */
.chroma .gr {
  color: #aa0000;
}
/* GenericHeading */
.chroma .gh {
  color: #999999;
}
/* GenericInserted */
.chroma .gi {
  color: #000000;
  background-color: #ddffdd;
}
/* GenericOutput */
.chroma .go {
  color: #888888;
}
/* GenericPrompt */
.chroma .gp {
  color: #555555;
}
/* GenericStrong */
.chroma .gs {
  font-weight: bold;
}
/* GenericSubheading */
.chroma .gu {
  color: #aaaaaa;
}
/* GenericTraceback */
.chroma .gt {
  color: #aa0000;
}
/* GenericUnderline */
.chroma .gl {
  text-decoration: underline;
}
/* TextWhitespace */
.chroma .w {
  color: #bbbbbb;
}

/* 快捷键提示动画 */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.search-hint-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-hint-close {
  background: none;
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.search-hint-close:hover {
  opacity: 1;
}
