/* ==========================================
 * 全局入场动画
 * ========================================== */

@keyframes fadeUp {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 主体内容延迟入场（向下偏移入场） */
main {
  opacity: 0;
  transform: translateY(20px) translateZ(0); /* 启用轻量硬件加速 */
  animation: fadeUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
  backface-visibility: hidden;
}

/* 页脚最后入场 */
footer {
  opacity: 0;
  transform: translateY(20px) translateZ(0);
  animation: fadeUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
  backface-visibility: hidden;
}

/* ==========================================
 * 基础样式
 * ========================================== */

body {
  background-color: rgb(225 225 225);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0; /* 清除默认 margin */
}

main {
  flex: 1;
}

/* 浅色深色模式切换按钮样式 */
.theme-toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  padding: var(--spacing-md) var(--spacing-md);
  transition: background-color var(--transition-normal);
}

.theme-toggle-btn i {
  font-size: 18px;
  color: var(--color-text);
}

/* 初始状态隐藏藏深色深色模式图标 */
[data-bs-theme="light"] .dark-icon,
[data-bs-theme="dark"] .light-icon {
  display: none;
}

/* 深色模式显示深色图标 */
[data-bs-theme="dark"] .dark-icon {
  display: block;
}

/* 浅色模式显示浅色图标 */
[data-bs-theme="light"] .light-icon {
  display: block;
}

/* 主题切换动画 */
.theme-transition {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* 滚动条样式样式 */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background-color: transparent;
  border-radius: 2em;
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-neutral-400);
  background-image: -webkit-linear-gradient(45deg,rgba(255,255,255,.4) 100%,transparent 100%,transparent 50%,rgba(255,255,255,.4) 50%,rgba(255,255,255,.4) 75%,transparent 75%,transparent);
  border-radius: 2em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
}

/* 输入框和文本域样式 */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
textarea {
  padding: var(--spacing-sm); 
  border: var(--border); 
  width: 100%;
  box-sizing: border-box;
  border-radius: var(--border-radius-md);
  transition: var(--transition-border); 
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

textarea {
  resize: vertical;
}

/* 图片样式 */
img {
  transition: var(--transition-all); 
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
}

img:hover {
  filter: blur(0) brightness(0.95);
  -webkit-filter: blur(0) brightness(0.95);
}

/* ==========================================
 * 布局组件
 * ========================================== */

/* 首页样式 */
.index {
  width: 400px;
  margin: 0 auto;
  padding-bottom: 100px;
}

.index-img {
  width: 100%;
  height: 210px;
  margin-top: 100px;
}

.index-img > img {
  height: 100%;
  object-fit: cover;
}

/* 导航栏样式 */
.header{
  background-color: var(--color-background);
  box-shadow: var(--bs-box-shadow);
  border-bottom: var(--border);
  position: relative;
  z-index: 100;
  width: 100%;
}

.nav-wrapper {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  max-width: 1200px;
  height: 60px;
  margin: 0 auto;
}

/* 导航栏Logo样式 */
.logo {
  color: var(--color-text);
  font-size: var(--font-size-3xl);
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  margin-right: var(--spacing-xl);
}

.logo:hover {
  color: var(--color-text);
  text-decoration: none;
}

/* 桌面端菜单 */
.main-menu {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
  list-style: none;
}

.main-menu li {
  position: relative;
}

.main-menu a {
  color: var(--color-text);
  padding: var(--spacing-md) var(--spacing-md);
  display: block;
  font-weight: bold;
  text-decoration: none;
  font-size: var(--font-size-lg);
  transition: var(--transition-all); 
}

/* 高亮样式 - 当前页面链接 */
.main-menu a.current {
  color: var(--color-primary);
  position: relative;
}

.main-menu a.current::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

/* 下拉菜单高亮样式 */
.dropdown a.current,
.sub-dropdown a.current {
  color: var(--color-primary);
  font-weight: 600;
}

/* 悬停效果增强 */
.main-menu a:hover:not(.current) {
  color: var(--color-primary);
}

/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-background);
  min-width: 180px;
  box-shadow: var(--bs-box-shadow);
  margin: 0;
  padding: 0;
  list-style: none;
  /* 动画相关属性 */
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal); 
}

/* 下拉菜单显示状态 */
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  padding: var(--spacing-md) var(--spacing-md);
  border-bottom: var(--border-width-sm) solid var(--color-neutral-100);
  transition: padding-left var(--transition-fast); 
}

/* 菜单项悬停效果增强 */
.dropdown a:hover {
  padding-left: calc(var(--spacing-md) + 4px);
}

.dropdown li:last-child a {
  border-bottom: none;
}

/* 汉堡菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  padding: var(--spacing-sm);
  line-height: 1;
  z-index: 102;
}

/* 遮罩层 - 手机端菜单展开时显示 */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(2px);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible; /* 显示时保持可见性 */
}

/* 防止背景滚动 */
.overflow-hidden {
  overflow: hidden;
}

/* 移动端菜单与遮罩层联动动画 */
.main-menu {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 防止背景滚动 */
.overflow-hidden {
  overflow: hidden;
  touch-action: none; /* 禁止移动端触摸滚动 */
}

/* 侧边栏标题样式 */
.main-menu .sidebar-title {
  display: none; /* 默认隐藏，仅在移动端显示 */
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: var(--border-width-sm) solid var(--color-neutral-100);
  text-align: center;
}

.main-menu .sidebar-title span:first-child {
  display: block;
  color: var(--color-text);
  font-size: var(--font-size-3xl);
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
}

.main-menu .sidebar-title .subtitle {
  color: var(--color-neutral-600);
  font-size: var(--font-size-sm);
}

/* 搜索框样式 */
#search {
  position: relative;
}

#search input[type="text"] {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-md);
  border: var(--border);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-background);
}

#search label {
  position: absolute;
  top: 50%;
  left: var(--spacing-md);
  transform: translateY(-50%);
  color: var(--color-text);
  pointer-events: none;
  transition: var(--transition-all); 
}

#search input[type="text"]:focus + label,
#search input[type="text"]:not(:placeholder-shown) + label {
  top: 0;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

/* ==========================================
 * footer页脚样式
 * ========================================== */
.footer {
  padding: 1em 0;
  line-height: 1.6;
  text-align: center;
  font-weight: bold;
  color: var(--color-text);
  border-top: var(--border);
  box-shadow: var(--shadow-top);
  background: var(--color-background);
  position: relative;
  z-index: 10;
}

.footer__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* 链接样式保持不变 */
.footer a {
  color: inherit;
  text-decoration: none;
  padding: 0 0.2rem;
  transition: all var(--transition-normal);
  position: relative;
}

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

.footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.footer a:hover::after {
  width: 100%;
}

/* ==========================================
 * 公共卡片样式
 * ========================================== */
.buyu-cards {
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
  display: grid;
}

.buyu-card {
  background: var(--color-background);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  border: var(--border);
  display: flex;
  flex-direction: column;
  transition: var(--transition-all); 
  box-shadow: var(--bs-box-shadow);
  margin-top: 0;
}

/* ==========================================
 * 文章内容样式
 * ========================================== */

/* 文章容器 */
.post {
  padding: var(--spacing-md) 0 var(--spacing-lg); 
  border-bottom: var(--border); 
}

.post-title {
  margin: 0.83em 0;
  font-size: var(--font-size-3xl);
  color: var(--color-text);
}

.post-title a{
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.post-meta {
  margin-top: -0.5em;
  padding: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-lg); 
}

.post-meta li {
  display: inline-block;
  margin: 0 var(--spacing-sm) 0 0; 
  padding-left: var(--spacing-md); 
  border-left: var(--border); 
}

.post-meta li:first-child {
  margin-left: 0;
  padding-left: 0;
  border: none;
}

.post .tags {
  clear: both;
}

/* 代码框样式 */
.post-content pre {
  overflow: auto;
  position: relative;
  line-height: 1.6;
  padding: 0;
  border-radius: 6px;
}

.post-content code {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-code);
  padding: 1.5px 3px;
  border: var(--border); 
  border-radius: var(--border-radius-md);
  word-break: break-word;
  overflow-x: auto;
  background-color: transparent;
}

.post-content pre>code {
  display: block;
  font-weight: normal;
  font-size: 1em;
  padding: 14px var(--spacing-md); 
  margin: 0;
  color: var(--color-secondary);
  background: var(--color-code-bg);
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: normal;
  scroll-behavior: smooth;
}

/* 文章密码保护样式 */
.post-pwp {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  border: var(--border); 
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
}

.post-pwp label {
  display: block;
  margin-bottom: var(--spacing-md); 
  font-size: var(--font-size-md); 
  font-weight: bold;
  color: var(--color-text);
}

.post-pwp .post-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm); 
}

.post-pwp .post-input {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm); 
}

.post-pwp .post-input input[type="password"] {
  flex: 1;
  padding: var(--spacing-sm); 
  border: var(--border); 
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-md); 
  box-sizing: border-box;
}

.post-pwp .post-input input[type="password"]:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 5px var(--color-primary);
}

.post-pwp .post-input .btn {
  padding: var(--spacing-sm) var(--spacing-md); 
  background-color: var(--color-primary);
  color: var(--color-background);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-md); 
  cursor: pointer;
  transition: background-color var(--transition-normal); 
}

.post-pwp .post-input .btn:hover {
  background-color: var(--color-primary-dark);
}

.post-pwp .post-input .btn:active {
  transform: scale(0.95);
}

.post-pwp .post-input .btn:disabled {
  background-color: var(--color-border);
  cursor: not-allowed;
}

/* 归档列表样式 */
.archive-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px dashed var(--color-neutral-100);
  transition: var(--transition-bg);
}

.archive-item:hover {
  background-color: var(--color-neutral-50);
}

.archive-date {
  min-width: 80px;
  color: var(--color-neutral-500);
  font-size: var(--font-size-sm);
  margin-right: var(--spacing-md);
}

.archive-title {
  flex: 1;
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition-color);
}

/* 更多按钮 */
.more {
  text-align: center;
}

.more a {
  border: none;
}

.protected .text {
  width: 50%;
}

/* 底部分页按钮样式 */
.pagination-container {
  display: flex;
  justify-content: center;
  margin: var(--spacing-md) 0;
  gap: var(--spacing-sm); 
}

/* 分页按钮通用样式 */
.prev, .next, .page-info {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-background);
  color: var(--color-text);
  border: var(--border); 
  text-decoration: none;
  box-shadow: var(--bs-box-shadow);
  border-radius: var(--border-radius-md);
  transition: background-color var(--transition-normal); 
}

.prev:hover, .next:hover,
.prev:focus, .next:focus {
  background-color: var(--color-neutral-100);
  text-decoration: none;
}

.page-info a,
.page-info a:hover,
.page-info a:focus {
  text-decoration: none;
}

/* 返回顶部按钮样式 */
#backToTop {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-all);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background-color: var(--color-primary);
  color: var(--color-neutral-50);
  border: none;
  box-shadow: var(--bs-box-shadow);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  z-index: 99;
}

#backToTop:hover {
  background-color: var(--color-neutral-900);
}

#backToTop.visible {
  opacity: 1;
  visibility: visible;
}

/* 文章底部按钮 */
.post-button {
  text-align: center;
}

.post-bth {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-lg);
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  color: var(--color-text-muted);
  background-color: var(--color-background);
  border: var(--border); 
  border-radius: var(--border-radius-md);
  box-shadow: var(--bs-box-shadow);
  transition: var(--transition-fast); 
  margin: 0 1px;
}

.post-bth:hover {
  background-color: var(--color-background-hover);
  border-color: var(--color-border);
  box-shadow: var(--shadow-hover);
}

.post-bth:active {
  background-color: var(--color-background-active);
  border-color: var(--color-neutral-300);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  transform: translateY(1px);
}

/* ==========================================
 * 评论样式
 * ========================================== */

/* 评论区容器 */
#comments {
  max-width: 1200px;
  margin: 0 auto;
}

/* 评论标题样式 */
.comment-title {
  display: inline-block;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--spacing-md);
  padding-bottom: 0.75rem;
  position: relative;
  color: var(--color-text-dark);
}

.comment-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

.comment-title:hover::after {
  width: 120px;
}

.comment-notice {
  display: block;
  font-size: 0.85rem;
  margin: 0 0 var(--spacing-md);
  color: var(--color-neutral-500);
}

/* 输入框组布局优化 */
.input-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  flex: 1;
  min-width: 200px;
}

/* 表单元素样式优化 */
#comment-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.95rem;
}

#comment-form input,
#comment-form textarea {
  width: 100%;
  padding: var(--spacing-xs) var(--spacing-md);
  border: var(--border);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-background);
}

#comment-form input:focus,
#comment-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

#comment-form textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* 字数统计样式 */
#comment-word-count {
  display: block;
  margin: 0.5rem 0;
  font-size: 0.875rem;
  transition: color var(--transition-normal);
}

/* 评论列表容器 */
.listComments {
  margin-top: var(--spacing-xl);
}

.comment-list,
.comment-list ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 评论项样式 */
.comment-list li {
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
  border: var(--border);
  box-shadow: var(--bs-box-shadow);
  position: relative;
}

.comment-list li.comment-child {
  margin-left: var(--spacing-lg);
  border-left: 3px solid var(--color-neutral-300);
  padding-left: var(--spacing-md);
}

/* 作者评论特殊样式 */
.comment-list li.comment-by-author {
  background: var(--color-background);
  border-left-color: var(--color-primary);
}

/* 评论头部 */
.comment-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.comment-header .avatar {
  width: 45px;
  height: 45px;
  margin-right: var(--spacing-sm);
  object-fit: cover;
  border: 2px solid var(--color-neutral-100);
}

.comment-author-name {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.85rem;
}

/* 评论元信息 */
.comment-meta {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--color-neutral-500);
}

.comment-reply {
  cursor: pointer;
  color: var(--color-primary);
  transition: color var(--transition-normal);
}

.comment-reply:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* 评论内容 */
.comment-content {
  padding: var(--spacing-sm) 0;
  line-height: 1.7;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  border-top: 1px dashed var(--color-neutral-200);
  border-bottom: 1px dashed var(--color-neutral-200);
  margin-bottom: var(--spacing-sm);
}

.comment-content img {
  border-radius: var(--border-radius-md);
  max-width: 100%;
  height: auto;
  margin: 0.5rem 0;
}

.comment-content p {
  margin: 0.5rem 0;
  word-break: break-word;
}

/* 回复框样式 */
.comment-list .respond {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-neutral-200);
}

.cancel-comment-reply {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--color-neutral-600);
  cursor: pointer;
  font-size: 0.875rem;
}

.cancel-comment-reply:hover {
  color: var(--color-danger);
}

/* ==========================================
 * 评论表情样式
 * ========================================== */

/* 表情动画 */
@-webkit-keyframes emoji-bounce {
  0%, 100% { -webkit-transform: translateY(0); transform: translateY(0); }
  50% { -webkit-transform: translateY(-3px); transform: translateY(-3px); }
}
@keyframes emoji-bounce {
  0%, 100% { -webkit-transform: translateY(0); transform: translateY(0); }
  50% { -webkit-transform: translateY(-3px); transform: translateY(-3px); }
}

/* 表情容器核心样式 */
.OwO {
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  z-index: var(--z-index-dropdown);
}

/* 打开状态样式 */
.OwO.OwO-open .OwO-logo {
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  border-bottom: none;
}

.OwO.OwO-open .OwO-body {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.OwO.OwO-up .OwO-body {
  top: auto;
  bottom: 100%;
  margin-bottom: var(--spacing-xs);
  margin-top: 0;
  border-radius: var(--border-radius-sm);
}

.OwO.OwO-up.OwO-open .OwO-logo {
  border: var(--border);
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
  border-top: none;
}

/* 触发按钮与表情项基础样式 */
.OwO .OwO-body .OwO-items .OwO-item,
.OwO .OwO-logo {
  border: var(--border);
  display: inline-block;
  cursor: pointer;
}

/* 表情触发按钮 */
.OwO .OwO-logo {
  position: relative;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-lg);
  padding: var(--spacing-xs) var(--spacing-sm);
  height: 26px;
  box-sizing: border-box;
  z-index: 2;
  line-height: calc(26px - 2 * var(--spacing-xs));
  background: var(--color-background);
  transition: var(--transition-all);
  text-align: center;
}

.OwO .OwO-logo:hover {
  background: var(--color-background-hover);
}

/* 表情面板主体 */
.OwO .OwO-body {
  display: none;
  position: absolute;
  width: 400px;
  background: var(--color-background-card);
  border: var(--border);
  z-index: 9999;
  top: 100%;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  box-sizing: border-box;
}

/* 表情列表容器 */
.OwO .OwO-body .OwO-items {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  display: none;
  padding: var(--spacing-md);
  margin: 0;
  overflow-y: auto;
  max-height: 300px;
  font-size: 0;
  scrollbar-width: thin;
}

/* 优化滚动条 */
.OwO .OwO-body .OwO-items::-webkit-scrollbar {
  width: 6px;
}

.OwO .OwO-body .OwO-items::-webkit-scrollbar-thumb {
  background: var(--color-neutral-400);
  border-radius: var(--border-radius-full);
}

/* 单个表情项样式 */
.OwO .OwO-body .OwO-items .OwO-item {
  list-style-type: none;
  background: var(--color-background);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-xs);
  font-size: var(--font-size-md);
  line-height: 14px;
  margin: 0 var(--spacing-sm) var(--spacing-sm) 0;
  transition: var(--transition-all);
}

.OwO .OwO-body .OwO-items .OwO-item:hover {
  background: var(--color-background-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* emoji表情样式 */
.OwO .OwO-body .OwO-items-emoji .OwO-item {
  font-size: 20px;
  line-height: 19px;
}

/* 图片表情样式 */
.OwO .OwO-body .OwO-items-image .OwO-item {
  max-width: calc(20% - 8px);
  box-sizing: border-box;
}

.OwO .OwO-body .OwO-items-image .OwO-item img {
  max-width: 100%;
  display: block;
}

/* 显示当前表情分类 */
.OwO .OwO-body .OwO-items-show {
  display: block;
}

/* 表情分类栏 */
.OwO .OwO-body .OwO-bar {
  width: 100%;
  height: 30px;
  border-top: var(--border);
  background: var(--color-background);
  border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
  color: var(--color-text);
  box-sizing: border-box;
}

/* 分类标签列表 */
.OwO .OwO-body .OwO-bar .OwO-packages {
  margin: 0;
  padding: 0;
  font-size: 0;
  white-space: nowrap;
  overflow-x: auto;
  height: 100%;
}

.OwO .OwO-body .OwO-bar .OwO-packages::-webkit-scrollbar {
  height: 2px;
}

/* 分类标签项 */
.OwO .OwO-body .OwO-bar .OwO-packages li {
  list-style-type: none;
  display: inline-block;
  line-height: 30px;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  padding: 0 var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition-normal);
}

/* 激活的分类标签 */
.OwO .OwO-body .OwO-bar .OwO-packages .OwO-package-active {
  background: var(--color-primary-light);
  color: var(--color-text-inverse);
}

/* ==========================================
 * 错误页面样式
 * ========================================== */
.error-page {
  margin-top: 100px;
  margin-bottom: 100px;
}

/* 404页面 */
.error-page-404 {
  text-align: center;
}

.error-page h2 {
  font-size: 36px;
  color: var(--color-highlight);
  margin-bottom: var(--spacing-md); 
  animation: fadeIn 1s var(--animation-timing-ease); 
}

.error-page p {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-lg);
  animation: fadeIn 1s var(--animation-timing-ease); 
}

.error-page form#search {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.error-page form#search input[type="text"] {
  width: 100%;
  padding: var(--spacing-md); 
  border: var(--border); 
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-lg);
}

.error-page form#search label {
  display: none;
}

/* ==========================================
 * 文章内容渲染样式
 * ========================================== */

/* 任务列表样式 */
.task-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5em;
  list-style: none;
  padding-left: 0;
  margin-left: -1.5em;
}

.task-list-item .fa {
  font-size: 1.1em;
  margin-top: 0.15em;
}

.task-done {
  text-decoration: line-through;
  color: var(--color-neutral-500);
}

/* 文章内容容器 */
.post-content {
  line-height: 1.5;
  font-family: var(--font-family-main);
  box-sizing: border-box;
  letter-spacing: 0.8px;
  background-size: 16px 16px;
  background-position: center center;
  word-break: break-word;
  font-weight: 400;
  font-size: var(--font-size-md);
}

/* 标题样式 */
.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  font-weight: 700;
  padding-left: var(--spacing-md); 
  border-radius: var(--border-radius-xs);
  border-left: 4px solid var(--color-blockquote-border);
}

.post-content h1 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-xs); }
.post-content h2 { font-size: var(--font-size-2xl); }
.post-content h3 { font-size: var(--font-size-xl); }
.post-content h4 { font-size: var(--font-size-lg); }
.post-content h5 { font-size: var(--font-size-md); }
.post-content h6 { 
  font-size: var(--font-size-sm); 
  margin-top: var(--spacing-xs); 
}

.post-content p {
  line-height: inherit;
  margin-bottom: var(--spacing-xs); 
}

.post-content hr {
  background-color: var(--color-neutral-200);
  border-top: 1.5px dashed var(--color-secondary);
  border-bottom: none;
  border-left: none;
  border-right: none;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

/* 表格样式 */
.post-content table {
  border: var(--border); 
  border-collapse: collapse;
  width: 100%;
  margin-bottom: var(--spacing-xs); 
  border-radius: var(--border-radius-md);
}

.post-content thead {
  background-color: rgb(229 229 229);
  color: rgb(0 0 0);
  text-align: left;
}

.post-content th,
.post-content td {
  border: var(--border); 
  padding: var(--spacing-xs); 
  text-align: left;
}

/* 引用样式 */
.post-content blockquote {
  padding: var(--spacing-xs) 18px; 
  margin: 18px 0;
  border-radius: var(--border-radius-xs);
  border-left: 4px solid var(--color-blockquote-border); 
  background-color: var(--color-blockquote-bg);
}

.post-content blockquote::after {
  display: block;
  content: "";
}

.post-content blockquote>p {
  margin: var(--spacing-xs) 0; 
  line-height: 22px;
}

.post-content b,
.post-content strong {
    font-weight: 600;
}

.post-content mark {
  background-color: var(--color-orange-100);
  padding: 2px 4px;
  border-radius: var(--border-radius-md);
}

.post-content del {
  color: var(--color-neutral-500);
  text-decoration: line-through;
}

.post-content kbd {
  display: inline-block;
  padding: 2px 4px;
  background-color: var(--color-neutral-100);
  border: var(--border); 
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-mono);
}

.post-content sub, .post-content sup {
  font-size: var(--font-size-xs);
}

.post-content sub {
  vertical-align: sub;
}

.post-content sup {
  vertical-align: super;
}

.post-content details {
  background-color: var(--color-background);
  padding: var(--spacing-xs) 12px;
  border: var(--border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: max-height 0.6s var(--animation-timing-ease); 
  max-height: 40px;
}

.post-content details[open] {
  max-height: 1000px;
}

.post-content details summary {
  padding: var(--spacing-xs); 
  cursor: pointer;
  list-style: none;
  position: relative;
  font-weight: 600;
}

.post-content summary::-webkit-details-marker {
  display: none;
}

.post-content summary::after {
  content: '\f078';
  font-family: 'FontAwesome';
  font-weight: normal;
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  transition: transform var(--transition-normal); 
}

.post-content details[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}

.post-content details .year-content {
  will-change: transform, opacity;
  overflow: hidden;
}

.post-content details[open] .year-content {
  animation: slide-down 0.6s var(--animation-timing-ease); 
}

.post-content details:not([open]) .year-content {
  animation: slide-up 0.6s var(--animation-timing-ease); 
}

.post-content figure {
  margin: var(--spacing-xs) 0;
}

.post-content figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  text-align: center;
}

.aligncenter, div.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.alignleft {
  float: left;
}

.alignright {
  float: right;
}

img.alignleft {
  margin: 0 var(--spacing-md) 0 0; 
}

img.alignright {
  margin: 0 0 0 var(--spacing-md); 
}

/* ==========================================
 * 打赏模态框样式
 * ========================================== */
#reward-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%; 
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 1s var(--animation-timing-ease);
  backdrop-filter: blur(2px);
}

#reward-content {
  max-width: 90%;
  width: 360px;
  background: var(--color-background-modal);
  border-radius: var(--border-radius-md);
  box-shadow: var(--bs-box-shadow);
  overflow: hidden;
  transform: scale(0.95);
  opacity: 0;
  transition: all 1s var(--animation-timing-ease);
}

/* 模态框头部样式 */
.reward-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reward-header h2 {
  color: var(--text-color);
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

#close-reward {
  background: transparent;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  transition: all var(--transition-fast);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#close-reward:hover {
  color: var(--color-highlight);
  background-color: #f5f5f5;
}

/* 模态框主体内容样式 */
.reward-container {
  text-align: center;
  padding: var(--spacing-md);
}

.tab-buttons {
  display: flex;
  border-bottom: var(--border);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  position: relative;
  transition: all var(--transition-normal);
  font-weight: 500;
}

.tab-btn.active {
  color: var(--color-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: var(--border-width-sm);
  background-color: var(--color-primary);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  transition: width var(--transition-normal);
}

.tab-btn:not(.active):hover {
  color: var(--color-primary);
  background-color: #f9f9f9;
}

.tab-contents {
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) 0;
}

.tab-content {
  display: none;
  text-align: center;
  width: 100%;
}

.tab-content.active {
  display: block;
  animation: fadeIn 1s;
}

/* 二维码和描述文字的容器 */
.qrcode-wrapper {
  display: inline-block;
  width: 160px;
}

.qrcode-container {
  margin: var(--spacing-xs) auto var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--background-color);
  display: inline-block;
  box-shadow: var(--bs-box-shadow);
  border: var(--border);
  border-radius: var(--border-radius-md);
  transition: transform var(--transition-normal);
}

.qrcode-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* 描述文字样式 */
.tab-desc {
  margin-top: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  border: var(--border);
  width: 100%;
  box-sizing: border-box;
  word-wrap: break-word;
  white-space: normal;
}

/* 未设置二维码提示样式 */
.no-qrcode {
  padding: var(--spacing-xl) var(--spacing-md);
  color: var(--color-text-muted);
  text-align: center;
}

.no-qrcode i {
  margin-bottom: var(--spacing-md);
  color: var(--border-color);
}

.no-qrcode p {
  margin: 0;
  font-size: var(--font-size-md);
}

/* 底部提示样式 */
.reward-footer {
  margin-top: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  border: var(--border);
  width: 100%;
  box-sizing: border-box;
  word-wrap: break-word;
  white-space: normal;
}

/* ==========================================
 * 友链样式
 * ========================================== */
.friend-container {
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.friend-container .friend-card {
  display: flex;
  align-items: center;
  border: var(--border); 
  background-color: var(--color-background);
  padding: 0.8em;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  color: inherit;
  transition: var(--transition-all); 
}

.friend-description {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: normal;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  max-height: 1.4em;
}

.friend-container .friend-card .friend-avatar {
  width: 3.2em;
  height: 3.2em;
  bottom: 0;
  margin: 0 0.6em 0 0;
  box-shadow: none;
}

.friend-container .friend-card .friend-info {
  display: flex;
  flex-direction: column;
}

.friend-container .friend-card .friend-name {
  font-size: 1em;
  font-weight: bold;
  margin: 0;
}

.friend-container .friend-card .friend-description {
  font-size: 0.9em;
  color: var(--color-text-muted);
  margin: 1px 0 0 0;
}

/* ==========================================
 * 短代码解析样式
 * ========================================== */
.custom-video-container {
  display: flex;
  justify-content: center;
  margin: var(--spacing-lg) 0;
  box-shadow: var(--bs-box-shadow);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.custom-video-container video {
  width: 100%;
  height: auto;
  display: block;
}

.custom-audio-container {
  display: flex;
  justify-content: center;
  margin: var(--spacing-lg) 0;
}

.custom-audio-container audio {
  width: 80%;
  max-width: 600px;
}

/* 标签页容器 */
.shortcode-tabs {
  margin: 1rem 0;
  border: var(--border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

/* 标签导航 */
.tabs-nav {
  border-bottom: var(--border);
}

.tabs-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 标签项 */
.tabs-item {
  padding: 0.45rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
  user-select: none;
}

.tabs-item-active {
  color: rgb(255 255 255);
  background: var(--color-blue-500);
  border-bottom-color: var(--color-blue-500);
  font-weight: 600;
}

/* 标签内容面板 */
.tabs-content {
  position: relative;
  min-height: 100px; /* 防止内容过短时布局错乱 */
}

.tabs-panel {
  display: none;
  padding: 1.25rem;
}

.tabs-panel-active {
  display: block;
  animation: tabFadeIn 0.3s ease;
}

/* 淡入动画 */
@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 附件下载卡片通用样式设置 */
.shortcode-attachment,
.shortcode-badge,
.shortcode-button,
.shortcode-progress {
  box-sizing: border-box;
}

/* 附件下载卡片样式 */
.shortcode-attachment {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border: var(--border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-background);
  position: relative;
  overflow: hidden;
}

.shortcode-attachment a {
  color: var(--color-neutral-50);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
}

/* 错误状态样式优化 */
.shortcode-attachment.error {
  background-color: var(--color-red-50);
  border-color: var(--color-red-200);
  color: var(--color-red-600);
  justify-content: center;
  padding: var(--spacing-lg);
  animation: shake 0.5s ease-in-out;
}

/* 图标容器优化 */
.attachment-icon {
  font-size: var(--size-lg);
  margin-right: var(--spacing-md);
  width: var(--size-lg);
  height: var(--size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  flex-shrink: 0;
}

/* 信息区域优化 */
.attachment-info {
  flex: 1;
  min-width: 0; /* 防止内容溢出 */
  padding-right: var(--spacing-md);
}

.attachment-title {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shortcode-attachment:hover .attachment-title {
  color: var(--color-primary);
}

.attachment-size {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 下载按钮 */
.attachment-download {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  text-decoration: none;
  font-size: var(--font-size-md);
  font-weight: normal;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

/* 文件类型颜色区分 */
.shortcode-attachment[data-type="pdf"] .attachment-icon {
  color: var(--color-red-500);
}

.shortcode-attachment[data-type="doc"] .attachment-icon {
  color: var(--color-blue-500);
}

.shortcode-attachment[data-type="xls"] .attachment-icon {
  color: var(--color-green-500);
}

.shortcode-attachment[data-type="zip"] .attachment-icon {
  color: var(--color-yellow-600);
}

.shortcode-attachment[data-type="img"] .attachment-icon {
  color: var(--color-purple-500);
}

.shortcode-attachment[data-type="video"] .attachment-icon {
  color: var(--color-orange-500);
}

.shortcode-attachment.loading .attachment-download {
  position: relative;
  overflow: hidden;
  pointer-events: none;
}

.shortcode-attachment.loading .attachment-download::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.3) linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  animation: shimmer 1.5s infinite;
  background-size: 200% 100%;
}

/* 徽章样式 */
.shortcode-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: white;
  line-height: 1;
  margin: 0 2px;
  border: none;
  text-decoration: none;
  vertical-align: middle;
}

/* 徽章颜色变体 - 七原色 */
.badge-default { background-color: var(--color-primary); }
.badge-success { background-color: var(--color-green-500); }
.badge-warning { background-color: var(--color-yellow-500); }
.badge-danger  { background-color: var(--color-red-500); }
.badge-info    { background-color: var(--color-blue-600); }
.badge-orange  { background-color: var(--color-orange-500); }
.badge-cyan    { background-color: var(--color-cyan-500); }
.badge-purple  { background-color: var(--color-purple-500); }

/* 徽章尺寸变体 */
.badge-sm {
  padding: calc(var(--spacing-xs) / 2) calc(var(--spacing-sm) / 2);
  font-size: calc(var(--font-size-xs) - 1px);
}

.badge-lg {
  padding: calc(var(--spacing-xs) * 1.5) calc(var(--spacing-sm) * 1.5);
  font-size: var(--font-size-sm);
}

/* 徽章变体 - 轮廓样式 */
.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
  color: var(--color-text);
}

.badge-outline.badge-default { color: var(--color-primary); }
.badge-outline.badge-success { color: var(--color-green-500); }
.badge-outline.badge-warning { color: var(--color-yellow-600); }
.badge-outline.badge-danger  { color: var(--color-red-500); }
.badge-outline.badge-info    { color: var(--color-blue-600); }
.badge-outline.badge-orange  { color: var(--color-orange-500); }
.badge-outline.badge-cyan    { color: var(--color-cyan-500); }
.badge-outline.badge-purple  { color: var(--color-purple-500); }

/* 按钮基础样式 */
.shortcode-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xs) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-md);
  font-weight: 600;
  text-decoration: none !important;
  cursor: pointer;
  transition: var(--transition-all);
  outline: none;
  gap: 6px;
  box-shadow: none;
}

/* 链接样式覆盖 */
.shortcode-button,
.shortcode-button:hover,
.shortcode-button a,
.shortcode-button a:hover,
.shortcode-button span,
.shortcode-button span:hover {
  text-decoration: none !important;
  color: inherit !important;
  text-underline-offset: 0 !important;
  text-decoration-thickness: 0 !important;
}

/* 基础交互状态 */
.shortcode-button:hover:not(.button-red):not(.button-orange):not(.button-yellow):not(.button-green):not(.button-cyan):not(.button-blue):not(.button-default):not(.button-purple):not(.button-outline) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

.shortcode-button:active {
  transform: translateY(0);
  box-shadow: none;
}

/* 七原色按钮 */
.button-red,
.button-orange,
.button-yellow,
.button-green,
.button-cyan,
.button-blue,
.button-default,
.button-purple {
  color: #ffffff !important;
  background-color: var(--btn-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 颜色变量映射 */
.button-red {
  --btn-color: var(--color-red-500);
  --btn-hover: var(--color-red-600);
  --btn-shadow: rgba(239, 68, 68, 0.25);
}

.button-orange {
  --btn-color: var(--color-orange-500);
  --btn-hover: var(--color-orange-600);
  --btn-shadow: rgba(250, 173, 20, 0.25);
}

.button-yellow {
  --btn-color: var(--color-yellow-500);
  --btn-hover: var(--color-yellow-600);
  --btn-shadow: rgba(250, 173, 20, 0.25);
}

.button-green {
  --btn-color: var(--color-green-500);
  --btn-hover: var(--color-green-600);
  --btn-shadow: rgba(82, 196, 26, 0.25);
}

.button-cyan {
  --btn-color: var(--color-cyan-500);
  --btn-hover: var(--color-cyan-600);
  --btn-shadow: rgba(19, 194, 194, 0.25);
}

.button-blue,
.button-default {
  --btn-color: var(--color-blue-500);
  --btn-hover: var(--color-blue-600);
  --btn-shadow: rgba(59, 130, 246, 0.25);
}

.button-purple {
  --btn-color: var(--color-purple-500);
  --btn-hover: var(--color-purple-600);
  --btn-shadow: rgba(139, 92, 246, 0.25);
}

/* 七原色按钮悬浮效果 */
.button-red:hover,
.button-orange:hover,
.button-yellow:hover,
.button-green:hover,
.button-cyan:hover,
.button-blue:hover,
.button-default:hover,
.button-purple:hover {
  background-color: var(--btn-hover);
  box-shadow: 0 4px 12px var(--btn-shadow);
  color: #ffffff !important;
}

/* 边框按钮变体-基础样式 */
.button-outline {
  background-color: transparent;
  --outline-border-color: currentColor;
  border: var(--border-width-sm) solid var(--outline-border-color);
  padding: calc(var(--spacing-xs) + 1px) calc(var(--spacing-md) + 1px);
  color: inherit;
}

/* 边框按钮尺寸调整 */
.button-outline.button-sm {
  border-width: calc(var(--border-width-sm) + 0.5px);
  padding: calc(var(--spacing-xs) / 1.5 + 1px) calc(var(--spacing-md) / 1.5 + 1px);
}

.button-outline.button-lg {
  border-width: calc(var(--border-width-sm) + 1.5px);
  padding: calc(var(--spacing-xs) * 1.5 + 1px) calc(var(--spacing-md) * 1.5 + 1px);
}

/* 边框按钮颜色 */
.button-outline-red { color: var(--color-red-500); --outline-border-color: var(--color-red-500); }
.button-outline-orange { color: var(--color-orange-500); --outline-border-color: var(--color-orange-500); }
.button-outline-yellow { color: var(--color-yellow-600); --outline-border-color: var(--color-yellow-600); }
.button-outline-green { color: var(--color-green-500); --outline-border-color: var(--color-green-500); }
.button-outline-cyan { color: var(--color-cyan-500); --outline-border-color: var(--color-cyan-500); }
.button-outline-blue { color: var(--color-blue-500); --outline-border-color: var(--color-blue-500); }
.button-outline-purple { color: var(--color-purple-500); --outline-border-color: var(--color-purple-500); }

/* 边框按钮悬浮效果 */
.button-outline:hover {
  color: #ffffff !important;
  box-shadow: var(--shadow-md);
  border-color: var(--outline-border-color);
  transition: var(--transition-all);
}

/* 边框按钮悬浮背景色 */
.button-outline-red:hover { background-color: var(--color-red-500); --outline-border-color: var(--color-red-500); }
.button-outline-orange:hover { background-color: var(--color-orange-500); --outline-border-color: var(--color-orange-500); }
.button-outline-yellow:hover { background-color: var(--color-yellow-500); --outline-border-color: var(--color-yellow-500); }
.button-outline-green:hover { background-color: var(--color-green-500); --outline-border-color: var(--color-green-500); }
.button-outline-cyan:hover { background-color: var(--color-cyan-500); --outline-border-color: var(--color-cyan-500); }
.button-outline-blue:hover { background-color: var(--color-blue-500); --outline-border-color: var(--color-blue-500); }
.button-outline-purple:hover { background-color: var(--color-purple-500); --outline-border-color: var(--color-purple-500); }

/* 按钮尺寸 */
.button-sm {
  padding: calc(var(--spacing-xs) / 1.5) calc(var(--spacing-md) / 1.5);
  font-size: var(--font-size-sm);
}

.button-lg {
  padding: calc(var(--spacing-xs) * 1.5) calc(var(--spacing-md) * 1.5);
  font-size: var(--font-size-lg);
}

.button-block {
  display: flex;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}

/* 进度条样式 */
.shortcode-progress {
  margin: var(--spacing-md) 0;
}

.progress-title {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  display: flex;
  justify-content: space-between;
}

.progress-bar-container {
  width: 100%;
  height: 1rem;
  background-color: var(--color-neutral-100);
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: 9999px;
  transition: width var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}

/* 进度条颜色变体 */
.progress-success .progress-bar { background-color: var(--color-green-500); }
.progress-warning .progress-bar { background-color: var(--color-yellow-500); }
.progress-danger  .progress-bar { background-color: var(--color-red-500); }
.progress-info    .progress-bar { background-color: var(--color-blue-600); }

/* 进度条条纹和动画 */
.progress-striped .progress-bar {
  background-image: linear-gradient(45deg, 
    rgba(255, 255, 255, 0.15) 25%, 
    transparent 25%, 
    transparent 50%, 
    rgba(255, 255, 255, 0.15) 50%, 
    rgba(255, 255, 255, 0.15) 75%, 
    transparent 75%, 
    transparent
  );
  background-size: 1rem 1rem;
  animation: progress-stripes 1s linear infinite;
}

.progress-animated .progress-bar {
  animation: progress-stripes var(--animation-duration-lg) var(--animation-timing-linear) infinite;
}

.progress-text {
  padding: 0 var(--spacing-sm);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  opacity: 1;
  transition: var(--transition-opacity);
  white-space: nowrap;
}

/* 折叠面板基础样式 */
.shortcode-collapse {
  margin: 1rem 0;
  border: var(--border);
  border-radius: 0.375rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* 折叠面板头部样式 */
.collapse-header {
  display: flex;
  justify-content: space-between; /* 确保标题和箭头左右分离 */
  align-items: center;
  padding: 0.75rem 1rem;
  width: 100%;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-align: left;
  box-sizing: border-box; /* 确保padding不会撑大容器 */
}

.collapse-title {
  flex: 1;
}

/* 图标容器优化 */
.collapse-icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-left: 0.5rem;
}

.collapse-open .collapse-icon {
  transform: rotate(180deg);
}

.collapse-content {
  padding: 1rem;
  border-top: var(--border);
}

.collapse-content.hidden {
  display: none; /* 直接隐藏而非动画过渡 */
  overflow: hidden;
}

/* 错误提示样式（无动画） */
.error-message {
  padding: 1rem;
  border: 1px solid #fecaca;
  border-radius: 0.375rem;
  background-color: #fee2e2;
  color: #dc2626;
  margin: 1rem 0;
}

/* ==========================================
 * 全局消息提示组件
 * ========================================== */
.qmsg-wrapper {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  list-style: none;
  position: fixed;
  top: var(--spacing-lg); 
  left: 0;
  z-index: 1010;
  width: 100%;
  pointer-events: none;
}

/* 消息项容器 */
.qmsg-item {
  padding: var(--spacing-xs); 
  text-align: center;
  animation-duration: var(--animation-duration-sm);
  position: relative;
}

/* 消息项首项调整 */
.qmsg-item:first-child {
  margin-top: calc(-1 * var(--spacing-xs)); 
}

/* 消息内容主体 */
.qmsg-content {
  position: relative;
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg); 
  background: var(--color-background-card);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  max-width: 80%;
  min-width: 80px;
  text-align: left;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  color: var(--color-text);
}

/* 内容区域通用样式 */
.qmsg-content [class^="qmsg-content-"] {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: var(--line-height-md);
  display: inline-flex;
  align-items: center;
}

/* 带关闭按钮的内容区域 */
.qmsg-content-with-close {
  padding-right: calc(var(--spacing-lg) + 8px);
}

/* 图标通用样式 */
.qmsg-icon {
  display: inline-block;
  margin-right: var(--spacing-xs); 
  font-size: var(--font-size-lg);
  line-height: 0;
  user-select: none;
  vertical-align: middle;
  position: relative;
  top: 0;
}

.qmsg-icon svg {
  width: 1em;
  height: 1em;
  fill: currentColor;
}

/* 类型化图标样式 */
.qmsg-content-info .qmsg-icon {
  color: var(--color-info);
}

.qmsg-content-warning .qmsg-icon {
  color: var(--color-warning);
}

.qmsg-content-success .qmsg-icon {
  color: var(--color-success);
}

.qmsg-content-error .qmsg-icon {
  color: var(--color-danger);
}

.qmsg-content-loading .qmsg-icon {
  color: var(--color-primary);
}

/* 关闭按钮 */
.qmsg-icon-close {
  position: absolute;
  top: 50%;
  right: var(--spacing-xs); 
  transform: translateY(-50%);
  padding: calc(var(--spacing-xxs) * 2); 
  font-size: var(--font-size-sm);
  color: var(--color-text-disabled);
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  transition: color var(--transition-normal);
}

.qmsg-icon-close:hover {
  color: var(--color-text);
}

/* 消息计数标记 */
.qmsg-count {
  position: absolute;
  left: calc(-1 * var(--spacing-xs)); 
  top: calc(-1 * var(--spacing-xs)); 
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  background-color: var(--color-danger);
  color: var(--color-background);
  font-size: var(--font-size-sm);
  line-height: 16px;
  text-align: center;
  border-radius: var(--border-radius-full);
  animation-duration: var(--animation-duration-sm);
  box-shadow: var(--shadow-xs);
}

.animate-turn {
  animation: var(--animation-spin);
  -webkit-animation: var(--animation-spin);
}

/* 深色模式适配 */
[data-bs-theme="dark"] .qmsg-content {
  background: #ffffff;
  color: #000000;
  box-shadow: var(--shadow-lg);
}

[data-bs-theme="dark"] .qmsg-icon-close {
  color: var(--color-text-disabled);
}

[data-bs-theme="dark"] .qmsg-icon-close:hover {
  color: var(--color-text);
}

/* ==========================================
 * 动画定义
 * ========================================== */

/* 加载状态动画 */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 错误抖动动画 */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
  20%, 40%, 60%, 80% { transform: translateX(3px); }
}

/* 进度条滚动动画 */
@keyframes progress-stripes {
  0% {
    background-position: 1rem 0;
  }
  100% {
    background-position: 0 0;
  }
}

/* 加载图标旋转动画 */
@keyframes MessageTurn {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@-webkit-keyframes MessageTurn {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

/* 消息退出动画 */
@keyframes MessageMoveOut {
  0% {
    max-height: 150px;
    padding: var(--spacing-xs); 
    margin: 0;
    opacity: 1;
    transform: scale(1);
  }
  to {
    max-height: 0;
    padding: 0;
    margin: 0;
    opacity: 0;
    transform: scale(0.9);
  }
}

@-webkit-keyframes MessageMoveOut {
  0% {
    max-height: 150px;
    padding: var(--spacing-xs); 
    margin: 0;
    opacity: 1;
    -webkit-transform: scale(1);
  }
  to {
    max-height: 0;
    padding: 0;
    margin: 0;
    opacity: 0;
    -webkit-transform: scale(0.9);
  }
}

/* 消息进入动画 */
@keyframes MessageMoveIn {
  0% {
    transform: translateY(calc(-1 * var(--spacing-lg))) scale(0.9); 
    opacity: 0;
  }
  70% {
    transform: translateY(4px) scale(1.02);
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@-webkit-keyframes MessageMoveIn {
  0% {
    -webkit-transform: translateY(calc(-1 * var(--spacing-lg))) scale(0.9); 
    opacity: 0;
  }
  70% {
    -webkit-transform: translateY(4px) scale(1.02);
  }
  100% {
    -webkit-transform: translateY(0) scale(1);
    opacity: 1;
  }
}

/* 计数抖动动画 */
@keyframes MessageShake {
  0%, 100% {
    transform: translateX(0);
    opacity: 1;
  }
  25%, 75% {
    transform: translateX(-3px);
    opacity: 0.8;
  }
  50% {
    transform: translateX(3px);
    opacity: 0.9;
  }
}

@-webkit-keyframes MessageShake {
  0%, 100% {
    -webkit-transform: translateX(0);
    opacity: 1;
  }
  25%, 75% {
    -webkit-transform: translateX(-3px);
    opacity: 0.8;
  }
  50% {
    -webkit-transform: translateX(3px);
    opacity: 0.9;
  }
}

/* 复用主题定义的动画 */
@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(var(--spacing-xs)); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0);
  }
}

@keyframes slide-down {
  from {
    opacity: 0;
    transform: translateY(calc(-1 * var(--spacing-xs))); 
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-up {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(calc(-1 * var(--spacing-xs))); 
  }
}

/* ==========================================
 * 响应式设计
 * ========================================== */

/* 小屏手机适配（≤ 480px） */
@media (max-width: 480px) {
  /* 附件下载卡片 */
  .shortcode-attachment {
    padding: var(--spacing-sm);
  }
  
  .attachment-icon {
    font-size: var(--size-md);
    width: var(--size-md);
    height: var(--size-md);
  }
  
  .attachment-download {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
  /* 附件下载卡片结束 */

  .main-menu a {
    padding: var(--spacing-sm) var(--spacing-md);
  }
    
  .dropdown a {
    padding-left: calc(var(--spacing-md) * 2);
  }

  .grid-container {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .grid-item img {
    height: 150px;
  }
}

/* 平板及以下设备（≤ 720px） */
@media (max-width: 720px) {
  .post-content h1 {
    font-size: var(--font-size-2xl);
  }

  .post-content h2 {
    font-size: var(--font-size-xl);
  }

  .post-content h3 {
    font-size: var(--font-size-lg);
  }
}

/* 移动设备（≤ 767px） */
@media (max-width: 767px) {
  body {
    font-size: 81.25%;
  }
  
  #nav-menu a {
    float: none;
    display: inline-block;
  }
}

/* 平板及以下设备（≤ 768px） */
@media (max-width: 768px) {
  .main-menu a.current::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 1px;
  }

  .post-content code {
    font-size: calc(var(--font-size-md) * 0.9);
    padding: 1px 2px;
  }

  .post-content pre>code {
    padding: 12px 10px;
    font-size: 0.9em;
    word-wrap: break-word;
    white-space: pre-wrap;
    word-break: break-all;
  }

  /* 显示移动端浅色深色模式切换按钮 */
  .theme-toggle-btn {
    display: block;
    transition: transform var(--transition-normal); 
    position: absolute;
    right: 0;
    z-index: 10;
  }

  /* 显示移动端汉堡菜单 */
  .menu-toggle {
    display: block;
    transition: transform var(--transition-normal); 
    position: absolute;
    left: 0;
    z-index: 10;
  }
  
  .menu-toggle:hover {
    color: var(--color-highlight);
    background-color: var(--color-neutral-100);
  }
  
  /* 移动端侧边栏容器 */
  .main-menu {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    max-width: 80%;
    background-color: var(--color-background);
    flex-direction: column;
    padding-top: 0;
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition-property: transform, opacity, visibility;
    transition-duration: var(--transition-normal); 
    transition-timing-function: var(--animation-timing-ease); 
    z-index: 101;
    box-shadow: var(--shadow-hover); 
  }
  
  /* 侧边栏展开状态 */
  .main-menu.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
  }
  
  /* 侧边栏关闭时的延迟 */
  .main-menu {
    transition-delay: 0s, 0s, var(--transition-normal); 
  }
  
  /* 侧边栏菜单项 */
  .main-menu li {
    border-bottom: var(--border-width-sm) solid var(--color-neutral-100);
  }
  
  .main-menu a {
    padding: var(--spacing-lg) var(--spacing-xl);
  }
  
  /* 导航栏下拉菜单 */
  .dropdown {
    position: static;
    box-shadow: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal); 
  }
  
  .has-dropdown:hover .dropdown,
  .has-dropdown.active .dropdown {
    max-height: 500px;
  }

  .main-menu .sidebar-title {
    display: block;
  }

  .buyu_detail__copyright .content .item i {
    font-size: var(--font-size-sm);
  }

  #header,
  .post-meta {
    text-align: center;
  }

  .post-title {
    font-size: var(--font-size-2xl);
    text-align: center;
  }

  .nav-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }
    
  .logo {
    display: block;
    text-align: center;
    margin: 0 auto;
  }
  
  /* 遮罩层过渡动画 */
  .nav-overlay {
    transition: opacity var(--transition-normal), visibility var(--transition-normal); 
    opacity: 0;
    visibility: hidden;
  }
  
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .grid-container {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .grid-item img {
    height: 250px;
  }

  .input-group {
    flex-direction: column;
  }
        
  .form-group {
    width: 100%;
    min-width: auto;
  }

  .post-card .comment-title {
    font-size: 1.1rem;
    padding-bottom: 0.5rem;
  }
}

/* 大屏幕设备（≥ 1200px） */
@media (min-width: 1200px) {
  .container {
    max-width: 950px;
  }
}