* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.5; color: #333; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* 新增：文章内容容器 */
.a_container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 新增：最大宽度容器 */
.max-w-3xl {
    max-width: 48rem; /* 768px */
}

.max-w-5xl {
    max-width: 64rem; /* 1024px */
}

/* 通用工具类 */
.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.hidden { display: none !important; }
.text-center { text-align: center; }
.rounded { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
.transition { transition: all 0.15s ease; }
.inline-flex { display: inline-flex; }
.flex-wrap { flex-wrap: wrap; }

/* 颜色类 */
.bg-white { background-color: white; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-blue-50 { background-color: #eff6ff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-900 { color: #111827; }
.text-blue-500 { color: #3b82f6; }
.text-blue-600 { color: #0080ff; }
.text-red-500 { color: #ef4444; }

/* 间距类 */
.p-2 { padding: 0.5rem; }
.py-2{padding-top:.5rem;padding-bottom:.5rem;margin-right: 0.5rem;}
.px-3{padding-left:.75rem;padding-right:.75rem}
.p-4 { padding: 1rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-8 { padding-top: 1rem; padding-bottom: 0.5rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-16 { margin-top: 4rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.space-x-4 > * + * { margin-left: 1rem; }

/* 新增：间距工具类 */
.gap-2 { gap: 0.5rem; }
.gap-6 { gap: 1.5rem; }

/* 文本大小类 */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

/* 字体粗细类 */
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }

/* 边框类 */
.border { border: 1px solid #e5e7eb; }
.border-t { border-top: 1px solid #e5e7eb; }
.border-b { border-bottom: 1px solid #e5e7eb; }
.rounded-md{border-radius:.375rem}
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300{--tw-border-opacity: 1;border-color:rgb(209 213 219 / var(--tw-border-opacity, 1))}

/* 布局类 */
.sticky { position: sticky; background-color:#ffffff; }
.top-0 { top: 0; }
.z-50 { z-index: 50; }
.min-h-screen { min-height: 100vh; }
.flex-grow { flex-grow: 1; }
.flex-col { flex-direction: column; }
.h-10 { height: 2.5rem; }
.h-16 { height: 4rem; }
.w-full { width: 100%; }
.object-contain { object-fit: contain; }
.overflow-hidden { overflow: hidden; }

/* 特殊效果 */
.backdrop-blur { backdrop-filter: blur(8px); }
.line-clamp-2 { 
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.leading-tight { line-height: 1.25; }

/* 新增：文章内容样式 */
.prose {
    color: #374151;
    max-width: 65ch;
}

.prose-lg {
    font-size: 1.125rem;
    line-height: 1.7777778;
}

.prose p {
    margin-top: 1.25em;
    margin-bottom: 1.25em;
}

/* 悬停效果 */
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:text-blue-600:hover { color: #0080ff; }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }

/* 群组悬停效果 */
.group:hover .group-hover\:text-\[\#0080ff\] {
    color: #0080ff;
}

/* 颜色类扩展 */
.bg-\[\#0080ff\]\/10 {
    background-color: rgba(0, 128, 255, 0.1);
}

.text-\[\#0080ff\] {
    color: #0080ff;
}

.group-hover\:text-\[\#0080ff\]:hover {
    color: #0080ff;
}

/* 标签样式 - 新增 */
.blue {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #e0f2fe;
    color: #0080ff;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    border: 1px solid #bae6fd;
    transition: all 0.15s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.blue:hover {
    background-color: #0080ff;
    color: white;
    border-color: #0080ff;
    transform: translateY(-1px);
}

.social-share {
    display: inline-flex;
    align-items: center;
    margin-left: 1rem;
    vertical-align: middle;
}

.social-share .social-share-btn {
    margin-right: 0.5rem;
    opacity: 0.8;
    transition: opacity 0.15s ease;
}

.social-share .social-share-btn:hover {
    opacity: 1;
}

/* 过渡效果 */
.transition-all {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.transition-colors {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* ========== 桌面导航 ========== */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

/* 主要导航项样式 */
.nav-main-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.375rem;
    transition: all 0.15s ease;
    white-space: nowrap;
    color: #374151;
    cursor: pointer;
}

.nav-link:hover {
    background-color: #f3f4f6;
    color: #0080ff;
}

.nav-link.active {
    color: #0080ff;
    background-color: #eff6ff;
}

/* ========== 下拉菜单 ========== */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 320px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

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

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

/* 添加下拉菜单箭头 */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    width: 12px;
    height: 12px;
    background: white;
    border-left: 1px solid #e5e7eb;
    border-top: 1px solid #e5e7eb;
    transform: rotate(45deg);
}

/* 城市网格布局 */
.city-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.city-link {
    display: block;
    padding: 0.5rem 0.25rem;
    text-align: center;
    font-size: 0.8125rem;
    border-radius: 0.25rem;
    transition: background-color 0.15s ease;
    color: #4b5563;
}

.city-link:hover {
    background-color: #f0f9ff;
    color: #0080ff;
}

/* 热门城市单独展示 */
.hot-cities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hot-city-link {
    padding: 0.5rem 0.75rem;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.15s ease;
    color: #374151;
}

.hot-city-link:hover {
    background-color: #e0f2fe;
    border-color: #bae6fd;
    color: #0080ff;
}

/* ========== 修复：搜索框样式 ========== */
.nav-search {
    position: relative;
    min-width: 200px;
}

.nav-search input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s ease;
}

.nav-search input:focus {
    border-color: #0080ff;
    box-shadow: 0 0 0 3px rgba(0, 128, 255, 0.1);
}

.nav-search button {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #9ca3af;
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0;
}

.nav-search button:hover {
    color: #0080ff;
}

/* ========== 移动端菜单按钮 ========== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: #4b5563;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ========== 移动端菜单 ========== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 350px;
    height: 100vh;
    background-color: white;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 100;
    overflow-y: auto;
    padding: 1.25rem;
}

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

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6b7280;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
}

.mobile-menu-close:hover {
    background-color: #f3f4f6;
}

/* ========== 移动端固定双列布局 ========== */
.mobile-nav-section {
    margin-bottom: 1.5rem;
}

.mobile-nav-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #4b5563;
    margin-bottom: 0.75rem;
    padding-left: 0.25rem;
}

/* 移动端固定双列，无论屏幕大小 */
.mobile-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 固定双列 */
    gap: 0.5rem;
}

.mobile-nav-link {
    padding: 0.75rem 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
    color: #374151;
    font-weight: 500;
    font-size: 0.875rem;
    text-align: center;
    border: 1px solid #f3f4f6;
    display: block;
}

.mobile-nav-link:hover {
    background-color: #f3f4f6;
    color: #0080ff;
    border-color: #e5e7eb;
}

.mobile-nav-link.active {
    color: #0080ff;
    background-color: #e0f2fe;
    border-color: #bae6fd;
}

/* 友情链接样式 */
.friend-links {
    background-color: #f9fafb;
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    padding: 1.5rem 0;
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 简化页脚样式 */
.footer-simple {
    padding: 1.5rem 0;
    background-color: #f9fafb;
    border-top: 1px solid #e5e7eb;
}

/* 卡片样式 */
.card {
    overflow: hidden;
    border: 1px solid #e5e7eb;
    background-color: white;
    border-radius: 0.75rem;
    transition: all 0.15s ease;
}

.card:hover {
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* 招聘会卡片容器间距 */
.cards-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* 图标指示器 */
.chevron-down {
    display: inline-block;
    margin-left: 0.25rem;
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.nav-main-item:hover .chevron-down {
    transform: rotate(180deg);
}

/* 下拉菜单分隔线 */
.dropdown-divider {
    height: 1px;
    background-color: #e5e7eb;
    margin: 0.75rem 0;
}

/* 下拉菜单标题 */
.dropdown-title {
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========== 响应式设计 ========== */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .gap-2 {
        gap: 0.5rem;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .nav-search {
        min-width: 100%;
        margin-bottom: 1rem;
    }
    
    /* 移动端始终保持双列 */
    .mobile-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 特殊：对于奇数个项目，最后一个项目跨两列居中 */
    .mobile-nav-grid:has(:nth-child(odd):last-child) a:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* 移动端标签样式 */
    .blue {
        padding: 0.2rem 0.6rem;
        font-size: 0.8125rem;
        margin-right: 0.375rem;
        margin-bottom: 0.375rem;
    }
    
    .social-share {
        margin-left: 0;
        margin-top: 0.5rem;
        width: 100%;
        justify-content: center;
    }
    
    .friend-links-container {
        gap: 0.75rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
    }
    
    /* 响应式文本大小 */
    .text-3xl {
        font-size: 1.5rem;
    }
    
    .text-4xl {
        font-size: 1.875rem;
    }
    
    /* 响应式网格布局 */
    .grid-cols-1 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .md\:hidden {
        display: none;
    }
    
    .md\:flex-row {
        flex-direction: row;
    }
    
    .md\:mt-0 {
        margin-top: 0;
    }
    
    .cards-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 修复网格布局问题 */
.grid {
    display: grid;
}

/* 修复相关推荐卡片样式 */
.group {
    position: relative;
}

.group .group-hover\:text-\[\#0080ff\] {
    transition: color 0.15s ease;
}

.shadow-sm {
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* 修复广告样式 */
ins.adsbygoogle {
    display: block !important;
    margin-top: 20px;
}

/* 修复文章内容中的图片样式 */
.rich_pages {
    max-width: 100%;
    height: auto;
}

.wxw-img {
    vertical-align: middle;
}

/* 修复背景颜色 */
.bg-gre {
    background-color: #f9fafb;
}
.blue {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #e0f2fe;
    color: #0080ff;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    border: 1px solid #bae6fd;
    transition: all 0.15s ease;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.blue:hover {
    background-color: #0080ff;
    color: white;
    border-color: #0080ff;
    transform: translateY(-1px);
}

/* 修改社交分享组件样式，使其靠右显示 */
.social-share-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.tags-container {
    flex: 1;
    margin-right: 1rem;
}

.tags-label {
    display: inline-block;
    margin-right: 0.5rem;
    font-weight: 500;
    color: #4b5563;
}

.social-share-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 200px;
}

.social-share {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.social-share .social-share-btn {
    margin: 0 0.25rem;
    opacity: 0.8;
    transition: all 0.15s ease;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
}

.social-share .social-share-btn:hover {
    opacity: 1;
    background-color: #f3f4f6;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .social-share-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tags-container {
        margin-right: 0;
        margin-bottom: 1rem;
        width: 100%;
    }
    
    .social-share-wrapper {
        display: none;
    }
    
    .social-share .social-share-btn {
        margin: 0 0.5rem 0 0;
    }
}