/* ========================
   现代感自定义头部样式
   - 支持深色/浅色模式
   - 流畅过渡动画
   - 完美响应式
======================== */
:root {
  --header-bg: #ffffff;
  --nav-color: #2d3748;
  --nav-hover: #4a5568;
  --accent-color: #4299e1;
  --header-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --header-bg: #1a202c;
    --nav-color: #cbd5e0;
    --nav-hover: #ffffff;
  }
}
#menu-top-right{
    padding: 0;
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
}
#menu-top-right .menu-item{
    position: relative;
}
#menu-top-right  .sub-menu {
        position: absolute;
        top: 100%;
        right: 0;
        background: var(--header-bg);
        box-shadow: var(--header-shadow);
        min-width: 240px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(15px);
        transition: var(--transition);
        border-radius: 8px;
        padding: 0.5rem 0;
        list-style: none;
}
#menu-top-right .menu-item:hover .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(10px);
        list-style: none;
      }
/* 基础头部样式 */
.custom-header {
  background: var(--header-bg);
  /*box-shadow: var(--header-shadow);*/
  position: relative;
  z-index: 1000;
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  min-height: 80px;
  position: relative;
}

/* 品牌标识 */
.site-branding {
  flex: 0 0 180px;
  
  .custom-logo {
    max-height: 50px;
    width: auto;
    transition: transform 0.3s ease;
    
    &:hover {
      transform: scale(1.05);
    }
  }
  
  .site-title {
    font-size: 1.8rem;
    margin: 0;
    font-weight: 700;
    
    a {
      color: var(--nav-color);
      text-decoration: none;
      position: relative;
      
      &::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent-color);
        transition: var(--transition);
      }
      
      &:hover::after {
        width: 100%;
      }
    }
  }
}

/* 主导航 - 现代感设计 */
.main-navigation {
  flex: 1;
  margin-left: 4rem;
  
  .machic-primary-menu {
    display: flex;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
    > li {
      position: relative;
      padding: 1rem 0;
      
      > a {
        color: var(--nav-color);
        font-weight: 500;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: var(--transition);
        
        &:hover {
          color: var(--accent-color);
        }
      }
      
      /* 下拉菜单特效 */
      .sub-menu {
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--header-bg);
        box-shadow: var(--header-shadow);
        min-width: 240px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(15px);
        transition: var(--transition);
        border-radius: 8px;
        padding: 0.5rem 0;
        list-style: none;
        li {
          a {
            padding: 0.8rem 1.5rem;
            display: block;
            color: var(--nav-color);
            
            &:hover {
              background: rgba(66, 153, 225, 0.1);
              color: var(--accent-color);
            }
          }
        }
      }
      
      &:hover .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(10px);
        list-style: none;
      }
    }
  }
}

/* 顶部右侧菜单 - 现代风格 */
.top-right-navigation {
  margin-left: auto;
  
  .top-right-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
    a {
      color: var(--nav-color);
      position: relative;
      padding: 0.5rem 0;
      
      &::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent-color);
        transition: var(--transition);
      }
      
      &:hover::after {
        width: 100%;
      }
    }
  }
}

/* 侧边栏菜单 - 现代滑动效果 */
.header-sidebar {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100vh;
  background: var(--header-bg);
  box-shadow: -5px 0 15px rgba(0,0,0,0.1);
  transition: right 0.4s ease-in-out;
  padding: 2rem;
  z-index: 1001;
  
  &.active {
    right: 0;
  }
  
  .sidebar-menu-list {
    list-style: none;
    padding: 0;
    
    li {
      margin-bottom: 1.5rem;
      opacity: 0;
      transform: translateX(20px);
      transition: all 0.3s ease;
      
      a {
        color: var(--nav-color);
        text-decoration: none;
        font-size: 1.1rem;
        display: block;
        padding: 0.5rem;
        border-radius: 6px;
        transition: var(--transition);
        
        &:hover {
          background: rgba(66, 153, 225, 0.1);
          padding-left: 1rem;
        }
      }
    }
    &.loaded li {
      opacity: 1;
      transform: translateX(0);
    }
  }
}

/* 响应式设计 */

/* 主题兼容补丁 */
#masthead { display: none !important; }
.nav-menu { margin: 0 !important; }
/* 首页基础布局 */
.aurora-home .home-content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* 分类网格布局 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.category-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
}

.image-wrapper {
    position: relative;
    padding-top: 65%;
}

.category-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .home-header .header-container {
        flex-direction: column;
        padding: 1rem;
    }
}

/**/
/* 移动端响应式样式 (≤768px) */
/* 移动端样式 - 最大768px */
@media screen and (max-width: 768px) {
  /* 隐藏桌面元素 */
  .main-navigation,
  .header-sidebar {
    display: none;
  }

  /* 头部容器布局 */
  .header-container {
    position: relative;
    padding: 15px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  /* 品牌标识 */
  .site-branding {
    width: 70%;
    order: 1;
  }

  /* 右侧菜单容器 */
  .header-right-menu {
    width: 30%;
    order: 2;
    position: static;
  }

  /* 汉堡按钮 */
  .mobile-toggle {
    display: block;
    width: 40px;
    height: 40px;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    z-index: 100;
  }

  .mobile-toggle span {
    display: block;
    position: absolute;
    left: 8px;
    width: 24px;
    height: 2px;
    background: #333;
    transition: all 0.3s ease;
  }

  .mobile-toggle span:nth-child(1) { top: 12px; }
  .mobile-toggle span:nth-child(2) { top: 18px; }
  .mobile-toggle span:nth-child(3) { top: 24px; }

  /* 激活状态 */
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    top: 18px;
  }
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    top: 18px;
  }

  /* 侧滑菜单 */
  .right-nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    height: 100vh;
    background: #fff;
    box-shadow: -2px 0 15px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    padding: 60px 20px 20px;
    z-index: 999;
    overflow-y: auto;
    flex-direction: column;
  }

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

  /* 菜单项样式 */
  .right-nav-menu .menu-item {
    border-bottom: 1px solid #eee;
  }

  .right-nav-menu a {
    display: block;
    padding: 15px;
    color: #333;
    font-size: 16px;
  }

  /* 下拉菜单 */
  .right-nav-menu .sub-menu {
    display: none;
    padding-left: 20px;
    background: #f8f8f8;
  }

  .right-nav-menu .menu-item:hover > .sub-menu {
    display: block;
  }

  /* 关闭按钮 */
  .menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 30px;
    height: 30px;
    cursor: pointer;
  }

  .menu-close::before,
  .menu-close::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: #666;
    left: 5px;
  }

  .menu-close::before { transform: rotate(45deg); }
  .menu-close::after { transform: rotate(-45deg); }

  /* 背景遮罩 */
  .menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }
}