.page-container {
  display: flex;
  min-height: 100vh;
}

.sidebar-menu {
  width: 280px;
  background: var(--sidebar-bg);
  color: var(--sidebar-hover);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  box-shadow: 2px 0 8px rgba(0,0,0,0.1);
  z-index: 1000;
}

.sidebar-menu-inner {
  padding: 20px 0;
}

.logo-env {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
  display: block;
  text-align: center;
}

.logo-expanded {
  display: block;
  max-width: 100%;
  height: auto;
}

.logo-collapsed {
  display: none;
  margin: 0 auto;
}

/* 导航菜单样式 */
.main-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-menu > li {
  position: relative;
}

.main-menu > li > a,
.main-menu > li > div > span {
  padding: 15px 20px;
  display: flex;
  align-items: center;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.main-menu > li > a:hover,
.main-menu > li > div > span:hover {
  color: var(--sidebar-hover);
  background: rgba(255,255,255,0.05);
  border-left: 3px solid var(--primary-color);
}

.main-menu > li > a i,
.main-menu > li > div > span i {
  margin-right: 10px;
  font-size: 16px;
  width: 20px;
  text-align: center;
}

/* 子菜单样式 */
.main-menu > li > div > ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
  background: rgba(0,0,0,0.1);
}

.main-menu > li.expanded > div > ul {
  display: block;
}

.main-menu > li > div > ul > li > a {
  padding: 10px 20px 10px 50px;
  display: block;
  color: #979898;
  text-decoration: none;
  transition: color 0.3s;
}

.main-menu > li > div > ul > li > a:hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
}

.main-content {
  margin-left: 280px;
  padding: 30px 40px;
  width: 100%;
  min-height: 100vh;
  max-width: 1920px;
  margin: 0 auto;
  margin-left: 280px;
  background: linear-gradient(135deg, 
    rgb(var(--content-start-rgb)) 0%, 
    rgb(var(--content-end-rgb)) 100%
  );
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 内容区域样式 */
.section-header {
  position: relative;
  margin-bottom: 30px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--section-border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 0 12px 0;
}

.section-header i {
  color: var(--primary-color);
  font-size: 16px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--section-icon-bg);
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.section-header h2 {
  display: inline-block;
  margin: 0;
  font-size: 18px;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
}

/* 分隔线样式 */
.section-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, #4776E6 0%, #8E54E9 100%);
}

/* 卡片样式 */
.card {
  @apply rounded-lg shadow-sm p-6 hover:shadow-lg transition-all duration-300;
  @apply transform hover:-translate-y-1;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  background: var(--card-bg);
  box-shadow: 0 2px 8px var(--card-shadow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #4776E6 0%, #8E54E9 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::before {
  opacity: 1;
}

.card-content {
  @apply flex items-start gap-6;
  position: relative;
  z-index: 1;
}

.card-icon {
  @apply flex-shrink-0;
  padding: 8px;
  background: var(--section-icon-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  box-shadow: inset 0 0 0 1px var(--border-color);
}

.card:hover .card-icon {
  transform: scale(1.05);
}

.card-text {
  @apply flex-grow;
  min-width: 0; /* 防止文本溢出 */
}

.card-title {
  @apply font-bold text-gray-800 mb-2;
  font-size: 15px;
  line-height: 1.4;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
  font-weight: 600;
}

.card-description {
  @apply text-sm text-gray-600 line-clamp-2;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 网格布局优化 */
.grid {
  gap: 20px;
  margin-bottom: 40px;
  opacity: 0;
  animation: gridFadeIn 0.5s ease-out forwards;
  animation-delay: 0.2s;
}

@keyframes gridFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式优化 */
@media (max-width: 1200px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar-menu {
    width: 70px;
  }
  
  .main-content {
    margin-left: 70px;
    padding: 20px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .logo-expanded {
    display: none;
  }

  .logo-collapsed {
    display: block;
  }

  .main-menu > li > a span,
  .main-menu > li > div > span span {
    display: none;
  }

  .main-menu > li > div > ul {
    position: absolute;
    left: 100%;
    top: 0;
    width: 200px;
    background: #2c2e2f;
    box-shadow: 2px 0 8px rgba(0,0,0,0.2);
  }
} 

/* 添加响应式容器宽度 */
@media (min-width: 1600px) {
  .main-content {
    padding: 40px 60px;
  }
  
  .grid {
    gap: 24px;
  }
}

@media (max-width: 1200px) {
  .main-content {
    padding: 30px;
  }
} 

.card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.card-icon img {
  transition: transform 0.3s ease;
}

.card:hover .card-icon img {
  transform: scale(1.1);
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  transition: width 0.3s ease;
}

.section-header:hover::after {
  width: 100px;
} 

/* 主题切换按钮样式 */
.theme-toggle {
  @apply fixed bottom-20 right-4 p-3 rounded-full shadow-lg transition-all duration-300;
  background: var(--primary-color);
  color: white;
  z-index: 1000;
}

.theme-toggle:hover {
  @apply shadow-xl;
  transform: scale(1.05);
}

[data-theme='dark'] .theme-toggle {
  background: var(--secondary-color);
} 

/* 添加菜单标题容器 */
.menu-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 箭头图标样式 */
.menu-arrow {
  font-size: 14px;
  transition: transform 0.3s ease;
  opacity: 0.5;
  margin-left: auto;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

/* 展开状态的箭头旋转 */
.main-menu > li.expanded > div > span .menu-arrow {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
}

/* 悬停状态的箭头样式 */
.main-menu > li > div > span:hover .menu-arrow {
  opacity: 1;
  background: rgba(255, 255, 255, 0.05);
}

/* 箭头图标动画 */
.menu-arrow {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-menu > li.expanded > div > span .menu-arrow.fa-angle-right {
  transform: rotate(90deg);
}

/* 一级菜单文字和图标容器 */
.main-menu > li > a,
.menu-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.main-menu > li > a i,
.main-menu > li > div > span i {
  margin-right: 10px;
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .main-menu > li > a span,
  .main-menu > li > div > span span {
    display: none;
  }

  .main-menu > li > a,
  .menu-title {
    justify-content: center;
    gap: 0;
  }

  .main-menu > li > a i,
  .main-menu > li > div > span i {
    margin-right: 0;
  }
} 

/* 没有二级菜单的一级菜单样式 */
.main-menu > li > a {
  justify-content: flex-start;
} 

/* 返回顶部按钮样式 */
.scroll-to-top {
  @apply fixed bottom-4 right-4 p-3 rounded-full shadow-lg transition-all duration-300;
  background: var(--secondary-color);
  color: white;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  @apply shadow-xl;
  transform: translateY(-2px);
  background: var(--primary-color);
}

.scroll-to-top i {
  font-size: 14px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 动画效果 */
.scroll-to-top {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 夜间模式样式 */
[data-theme='dark'] .scroll-to-top {
  background: var(--primary-color);
}

[data-theme='dark'] .scroll-to-top:hover {
  background: var(--secondary-color);
} 

/* 按钮共享样式 */
.theme-toggle,
.scroll-to-top {
  width: 40px;
  height: 40px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .theme-toggle {
    bottom: 16px;
    right: 16px;
  }
  
  .scroll-to-top {
    bottom: 68px;
    right: 16px;
  }
}