/* 全局样式和CSS变量 */
:root {
    /* 主色调 */
    --primary-color: #1e88e5;
    --secondary-color: #2196f3;
    
    /* 背景色 */
    --background-color: #121212;
    --surface-color: #1e1e1e;
    --card-color: #2a2a2a;
    --hover-color: #333333;
    
    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    
    /* 边框和阴影 */
    --border-color: #333333;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-light: 0 4px 12px rgba(30, 136, 229, 0.3);
    
    /* 尺寸和间距 */
    --border-radius: 8px;
    --border-radius-sm: 5px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    --border-radius-round: 25px;
    
    /* 过渡效果 */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    
    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* 公共样式类 */
.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

.flex-wrap {
    display: flex;
    flex-wrap: wrap;
}

.card-hover {
    transition: var(--transition);
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
}

/* Tab项目基础样式 */
.tab-base {
    padding: 10px 20px;
    background: var(--card-color);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-round);
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.tab-base:hover,
.tab-base.active {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* 全局重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 主导航栏样式- 顶部导航栏*/
.main-navbar {
    background: linear-gradient(135deg, var(--surface-color) 0%, #252525 100%);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.logo i {
    color: var(--primary-color);
    font-size: 24px;
}

.logo-badge {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.primary-nav {
    display: flex;
    gap: 24px;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    white-space: nowrap;
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-primary);
    background-color: var(--hover-color);
}

.nav-item i {
    font-size: 14px;
}

/* 手风琴 */
/* 返回顶部按钮样式 */
#anniu {
    width: 40px;
    height: 40px;
    position: fixed;
    right: 20px;
    bottom: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 100;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-primary);
    transition: var(--transition);
}


#anniu:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 下拉菜单样式 */
.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 下拉菜单样式- 顶部导航栏 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 6;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

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

.dropdown-item:hover {
    background-color: var(--hover-color);
    color: var(--text-primary);
}

.dropdown-item i {
    font-size: 14px;
    width: 16px;
}

/* 登录按钮样式 */
.login-btn {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 12px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    min-width: 44px;
    min-height: 44px;
    line-height: 1;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.mobile-menu-toggle:hover {
    background-color: var(--hover-color);
}

/* 中心Tab导航区域 */
.center-tab-area {
    background: linear-gradient(135deg, var(--surface-color) 0%, #1a1a1a 100%);
    padding: 32px 24px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.center-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.center-tab-item {
    /* 继承tab基础样式 */
}

/* 搜索框样式 */
.center-search-container {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.center-search-input {
    width: 100%;
    max-width: 500px;
    padding: 14px 20px;
    background: var(--card-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-round) 0 0 var(--border-radius-round);
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: var(--transition);
}

.center-search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.1);
}

.center-search-input::placeholder {
    color: var(--text-secondary);
}

.center-search-button {
    padding: 14px 20px;
    border-radius: 0 var(--border-radius-round) var(--border-radius-round) 0;
    font-size: 16px;
    background: linear-gradient( var(--primary-color), var(--secondary-color));  
    color: white;
    border: none;
    cursor: pointer;
}

.center-search-button:hover {
    color: white;
}

/* Tab内容样式 */
.tab-content {
    margin-top: 20px;
}

.tab-content.active {
    display: block;
}

/* 搜索引擎选项 */
.search-engine-options {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.search-engine-option {
    padding: 8px 20px;
    background: var(--card-color);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
    font-size: 14px;
    border: 1px solid var(--border-color);
}

.search-engine-option:hover,
.search-engine-option.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 求职网站选项 */
.job-site-options {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.job-site-option {
    padding: 8px 20px;
    background: var(--card-color);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
    font-size: 14px;
    border: 1px solid var(--border-color);
}

.job-site-option:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* 主内容区域 */
.main-content-area {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    gap: 24px;
    padding: 24px;
}

/* 侧边栏样式 */
.sidebar {
    width: 200px;
    flex-shrink: 0;
}

.sidebar-nav {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 16px 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: sticky;
    top: 100px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-item:hover,
.sidebar-item.active {
    color: var(--text-primary);
    background-color: var(--hover-color);
    border-left-color: var(--primary-color);
}

.sidebar-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* 右侧内容区域 */
.right-content {
    flex: 1;
    min-width: 0;
}

/* 区域容器样式 */
.hot-recommend-container,
.tools-area-container,
.friend-links-container {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

/* 区域标题样式 */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.section-header i {
    color: var(--primary-color);
    font-size: 20px;
}

.section-header h3 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

/* 卡片网格样式 */
.card-grid,
.recommend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    align-items: stretch;
}

/* 标签页网格优化 - 更好的响应式布局 */
.recommend-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    padding: 8px 0;
}

/* 青杉福利社专用样式 - 1行4列布局 */
.hot-recommend-container .card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.hot-recommend-container .card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 16px;
    min-height: 120px;
    background: var(--card-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hot-recommend-container .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--card-color) 0%, #333333 100%);
}

.hot-recommend-container .card-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: cover;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.hot-recommend-container .card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.hot-recommend-container .card-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    line-height: 1.2;
}

.hot-recommend-container .card-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.3;
    text-align: center;
    opacity: 0.8;
}

/* 基础卡片样式 */
.card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--card-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    object-fit: cover;
    flex-shrink: 0;
}

.card-content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* 推荐卡片样式 - 标签页网格专用优化 */
.recommend-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card-color);
    border-radius: var(--border-radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    min-height: 100px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.recommend-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--card-color) 0%, rgba(30, 136, 229, 0.05) 100%);
}

/* 推荐卡片内容布局优化 */
.recommend-card .search-card-content {
    flex: 1;
    min-width: 0; /* 防止文本溢出 */
}

.recommend-card .search-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recommend-card .search-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recommend-card .search-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}



.search-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.search-card-content {
    flex: 1;
}

.search-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.search-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.hot-badge {
    position: absolute;
    top: 1px;
    right: 0px;
    background: linear-gradient(45deg, #ff4081, #ff6ec7);
    /* background: linear-gradient(45deg, #ff3a3a, #ff8c00);  */
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
}
.log-badge {
    position: absolute;
    bottom: 1px;
    right: 0px;
    background: linear-gradient(45deg, #4a8aff, #0052cc); /* 蓝色渐变，用于广告标识 */
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
}

/* Tab导航样式 */
.tab-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-item {
    padding: 8px 16px;
    background: var(--card-color);
    color: var(--text-secondary);
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    border: 1px solid var(--border-color);
}

.tab-item:hover,
.tab-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 搜索卡片网格 */
.search-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

/* 搜索卡片继承基础卡片样式 */
.search-card {
    /* 基础样式已在 .card 中定义 */
}

/* 分页控制 */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

.page-btn {
    padding: 8px 16px;
    background: var(--card-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 友情链接样式 */
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.friend-link {
    padding: 8px 16px;
    background: var(--card-color);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-xl);
    transition: var(--transition);
    font-size: 14px;
    border: 1px solid var(--border-color);
}

.friend-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* 移动端侧边菜单 */
.mobile-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.mobile-sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100%;
    background: var(--surface-color);
    z-index: 1999;
    transition: left 0.3s ease; 
    overflow-y: auto;
    border-right: 1px solid var(--border-color);
}

.mobile-sidebar.active {
    left: 0;
}

.mobile-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-color);
}

.mobile-sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-sidebar-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.mobile-sidebar-close:hover {
    background-color: var(--hover-color);
}

.mobile-sidebar-nav {
    padding: 16px 0;
}

.mobile-sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.mobile-sidebar-item:hover,
.mobile-sidebar-item.active {
    color: var(--text-primary);
    background-color: var(--hover-color);
    border-left-color: var(--primary-color);
}

.mobile-sidebar-item i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.mobile-sidebar-group {
    margin: 16px 0;
}

.mobile-sidebar-group-title {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-primary);
    font-weight: 600;
    background: var(--card-color);
    border-left: 3px solid var(--primary-color);
}

.mobile-sidebar-group-title i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.mobile-sidebar-group-items .mobile-sidebar-item {
    padding-left: 52px;
}

/* Section Tab样式 */
.section-tabs {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.section-tab-item {
    padding: 6px 12px;
    color: var(--text-secondary);
    border-radius: 16px;
    transition: var(--transition);
    font-size: 12px;
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background-color: var(--card-color);
}

.section-tab-item:hover {
    background-color: var(--hover-color);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.section-tab-item.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 分页控制样式 */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background-color: var(--card-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    text-decoration: none;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--surface-color);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 13px;
    padding: 0 8px;
    font-weight: 500;
}

/* 响应式设计 - 900px左右屏幕优化 */
@media (max-width: 1200px) {
    .hot-recommend-container .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 1000px) and (min-width: 769px) {
    /* 标签页网格在中等屏幕的优化 */
    .recommend-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    
    .recommend-card {
        padding: 18px;
        min-height: 90px;
    }
    
    .recommend-card .search-card-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    /* 确保每页显示8个项目 */
    .main-content-area {
        padding: 20px;
    }
}

/* 统一的768px响应式样式 */
@media (max-width: 768px) {
    /* 导航栏样式 */
    .main-navbar {
        padding: 12px 16px;
    }
    
    .navbar-left {
        gap: 16px;
    }
    
    .navbar-right {
        gap: 12px;
    }
    
    .primary-nav {
        display: none;
    }
    
    .navbar-right .nav-dropdown {
        display: none;
    }
    
    /* 按钮样式 */
    .login-btn {
        display: flex !important;
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        z-index: 1002;
        position: relative;
    }
    
    /* 中心区域样式 */
    .center-tab-area {
        padding: 24px 16px;
    }
    
    .center-tabs {
        gap: 6px;
    }
    
    .center-tab-item {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    /* 主内容区域 */
    .main-content-area {
        flex-direction: column;
        padding: 16px;
        gap: 16px;
    }
    
    /* 侧边栏样式 */
    .sidebar {
        width: 100%;
        order: 2;
    }
    
    .sidebar-nav {
        position: static;
        display: flex;
        overflow-x: auto;
        padding: 12px;
        gap: 8px;
    }
    
    .sidebar-item {
        white-space: nowrap;
        padding: 8px 16px;
        border-left: none;
        border-bottom: 2px solid transparent;
        border-radius: var(--border-radius-xl);
        background: var(--card-color);
        border: 1px solid var(--border-color);
    }
    
    .sidebar-item:hover,
    .sidebar-item.active {
        border-left: none;
        border-bottom-color: var(--primary-color);
        background: var(--primary-color);
        color: white;
    }
    
    .right-content {
        order: 1;
    }
    
    /* 网格布局 */
    .card-grid,
    .search-cards {
        grid-template-columns: 1fr;
    }
    
    /* 标签页网格在移动端的优化 */
    .recommend-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 4px 0;
    }
    
    .recommend-card {
        padding: 16px;
        min-height: 80px;
    }
    
    .recommend-card .search-card-icon {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .recommend-card .search-card-title {
        font-size: 15px;
    }
    
    .recommend-card .search-card-desc {
        font-size: 13px;
        -webkit-line-clamp: 1;
    }
    
    /* 青杉福利社特殊样式 */
    .hot-recommend-container .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .hot-recommend-container .card {
        padding: 16px 12px;
        min-height: 100px;
    }
    
    .hot-recommend-container .card-content h3 {
        font-size: 14px;
    }
    
    .hot-recommend-container .card-desc {
        font-size: 11px;
    }
    
    /* 容器样式 */
    .hot-recommend-container,
    .tools-area-container,
    .friend-links-container {
        padding: 16px;
    }
    
    /* Section标签样式 */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .section-tabs {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 4px;
    }
    
    .section-tab-item {
        flex-shrink: 0;
    }
    
    /* 分页控制 */
    .pagination-controls {
        flex-direction: column;
        gap: 12px;
    }
    
    .pagination-btn {
        width: 100%;
        justify-content: center;
        max-width: 200px;
    }
}

/* 统一的480px响应式样式 */
@media (max-width: 480px) {
    /* 隐藏logo文字 */
    .logo-text {
        display: none;
    }
    
    /* 搜索框样式 */
    .center-search-input {
        font-size: 14px;
        padding: 12px 16px;
    }
    
    .center-search-button {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    /* 卡片样式 */
    .card,
    .recommend-card,
    .search-card {
        padding: 12px;
        gap: 12px;
    }
    
    .search-card-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .search-card-title {
        font-size: 14px;
    }
    
    .search-card-desc {
        font-size: 12px;
    }
    
    /* 青杉福利社特殊样式 */
    .hot-recommend-container .card-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .hot-recommend-container .card {
        padding: 20px 16px;
        min-height: 80px;
    }
}

/* 隐藏非活动的tab内容 */
.tab-content:not(.active) {
    display: none;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 焦点样式 */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card,
.recommend-card,
.search-card {
    animation: fadeIn 0.5s ease-out;
}

/* 加载状态 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 错误状态 */
.error {
    border-color: #f44336;
    background-color: rgba(244, 67, 54, 0.1);
}

/* 成功状态 */
.success {
    border-color: #4caf50;
    background-color: rgba(76, 175, 80, 0.1);
}