/* ============================================================
   vp1100 主题 — 影像检验鉴定行业网
   现代企业风格 · 响应式设计
   ============================================================ */

/* --- CSS 变量 --- */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #0f2240;
    --color-accent: #d94040;
    --color-accent-hover: #c53030;
    --color-bg: #f5f6f8;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-border: #e8e8e8;
    --color-border-light: #f0f0f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --header-height: 64px;
    --transition: 0.3s ease;
}

/* --- 基础重置 --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font: 16px/1.7 var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

input, button, textarea {
    font: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- 顶部导航栏 --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-primary);
    box-shadow: var(--shadow-md);
    height: var(--header-height);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    height: 100%;
}

/* Logo */
.logo {
    flex-shrink: 0;
    margin-right: 40px;
}

.logo a {
    display: flex;
    align-items: center;
    height: var(--header-height);
    color: #fff;
}

.logo img {
    height: 44px;
    width: auto;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    white-space: nowrap;
}

/* 导航菜单 */
.main-nav {
    flex: 1;
}

.nav-list {
    display: flex;
    gap: 0;
}

.nav-list li a {
    display: block;
    padding: 0 18px;
    line-height: var(--header-height);
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    transition: all var(--transition);
}

.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-list li a:hover,
.nav-list li.active a {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.nav-list li a:hover::after,
.nav-list li.active a::after {
    width: 100%;
}

/* 搜索按钮 */
.search-toggle {
    flex-shrink: 0;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    padding: 8px;
    margin-left: 10px;
    border-radius: 50%;
    transition: all var(--transition);
}

.search-toggle:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* --- 搜索弹层 --- */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 200;
    display: none;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease;
}

.search-overlay.active {
    display: flex;
}

.search-inner {
    width: 90%;
    max-width: 600px;
    position: relative;
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 16px 20px;
    font-size: 18px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    color: var(--color-text);
}

.search-submit {
    padding: 16px 32px;
    font-size: 16px;
    background: var(--color-accent);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: background var(--transition);
}

.search-submit:hover {
    background: var(--color-accent-hover);
}

.search-close {
    position: absolute;
    top: -50px;
    right: 0;
    font-size: 28px;
    color: #fff;
    padding: 8px;
}

/* --- 面包屑 --- */
.breadcrumb {
    padding: 12px 0;
    font-size: 14px;
    color: var(--color-text-lighter);
}

.breadcrumb a {
    color: var(--color-text-light);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb .separator {
    margin: 0 8px;
}

/* --- 轮播图 --- */
.hero-slider {
    position: relative;
    margin-bottom: 30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: #ddd;
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slider-slide {
    flex: 0 0 100%;
    position: relative;
}

.slider-slide a {
    display: block;
}

.slider-slide img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: #fff;
    font-size: 18px;
    font-weight: 600;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    font-size: 20px;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    opacity: 0;
}

.hero-slider:hover .slider-prev,
.hero-slider:hover .slider-next {
    opacity: 1;
}

.slider-prev:hover,
.slider-next:hover {
    background: #fff;
    box-shadow: var(--shadow-md);
}

.slider-prev { left: 16px; }
.slider-next { right: 16px; }

.slider-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background var(--transition);
}

.slider-dot.active {
    background: var(--color-accent);
}

/* --- 通用区块 --- */
.section {
    margin-bottom: 36px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 20px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
}

/* --- 头条推荐 --- */
.top-news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.top-news-item {
    padding: 16px 20px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-accent);
    transition: all var(--transition);
}

.top-news-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.top-news-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.top-news-title a {
    color: var(--color-primary-dark);
}

.top-news-title a:hover {
    color: var(--color-accent);
}

.top-news-excerpt {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* --- 人气推荐 --- */
.hot-posts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.hot-post-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.hot-post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.hot-post-thumb {
    display: block;
    overflow: hidden;
    height: 220px;
}

.hot-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hot-post-card:hover .hot-post-thumb img {
    transform: scale(1.05);
}

.hot-post-title {
    font-size: 17px;
    font-weight: 600;
    padding: 16px 20px 6px;
}

.hot-post-title a {
    color: var(--color-primary-dark);
}

.hot-post-title a:hover {
    color: var(--color-accent);
}

.hot-post-excerpt {
    font-size: 14px;
    color: var(--color-text-light);
    padding: 0 20px 18px;
    line-height: 1.6;
}

/* --- 主内容+侧边栏布局 --- */
.main-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
}

/* --- 内容区 --- */
.content-area {
    min-width: 0;
}

/* --- 文章列表项 --- */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.post-item {
    display: flex;
    gap: 20px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.post-item:hover {
    box-shadow: var(--shadow-md);
}

.post-thumb {
    flex-shrink: 0;
    width: 220px;
    height: 150px;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-item:hover .post-thumb img {
    transform: scale(1.08);
}

.post-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.post-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.post-title a {
    color: var(--color-primary-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-title a:hover {
    color: var(--color-accent);
}

.post-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--color-text-lighter);
    margin-bottom: 10px;
}

.post-excerpt {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
    flex: 1;
}

/* --- 侧边栏 --- */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.sidebar-widget {
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}

.widget-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-light);
}

.widget-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
    padding-left: 14px;
}

.widget-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background: var(--color-accent);
    border-radius: 2px;
}

/* 热门文章排行 */
.hot-list {
    padding: 8px 0;
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    padding: 10px 20px;
    gap: 12px;
    transition: background var(--transition);
}

.hot-list li:hover {
    background: var(--color-bg);
}

.hot-rank {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: var(--color-text-lighter);
    border-radius: var(--radius-sm);
}

.hot-rank.r1 { background: #e53e3e; }
.hot-rank.r2 { background: #ed8936; }
.hot-rank.r3 { background: #ecc94b; color: #333; }

.hot-list li a {
    font-size: 14px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 推荐文章 */
.recommend-list {
    padding: 8px 0;
}

.recommend-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    gap: 12px;
    transition: background var(--transition);
}

.recommend-item:hover {
    background: var(--color-bg);
}

.recommend-thumb {
    flex-shrink: 0;
    width: 80px;
    height: 56px;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.recommend-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recommend-item p a {
    font-size: 13px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 关注我们 */
.follow-content {
    padding: 20px;
    text-align: center;
}

.follow-content img {
    max-width: 180px;
    margin: 0 auto;
}

/* --- 文章详情页 --- */
.single-post {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.post-title-single {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.4;
    margin-bottom: 16px;
}

.post-meta-single {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--color-text-lighter);
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border-light);
}

.post-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    word-break: break-all;
}

.post-content p {
    margin-bottom: 18px;
}

.post-content h2,
.post-content h3,
.post-content h4 {
    margin: 28px 0 14px;
    color: var(--color-primary-dark);
}

.post-content h2 { font-size: 22px; }
.post-content h3 { font-size: 19px; }
.post-content h4 { font-size: 17px; }

.post-content img {
    max-width: 100%;
    height: auto;
    margin: 16px auto;
    border-radius: var(--radius-md);
}

.post-content blockquote {
    margin: 16px 0;
    padding: 14px 20px;
    background: var(--color-bg);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.post-content ul,
.post-content ol {
    margin: 12px 0;
    padding-left: 24px;
}

.post-content ul li { list-style: disc; margin-bottom: 6px; }
.post-content ol li { list-style: decimal; margin-bottom: 6px; }

.post-content code {
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.9em;
}

.post-content pre {
    background: #1a202c;
    color: #e2e8f0;
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 16px 0;
}

.post-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.post-content th,
.post-content td {
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    text-align: left;
}

.post-content th {
    background: var(--color-bg);
    font-weight: 600;
}

/* 标签 */
.post-tags {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border-light);
    font-size: 14px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.post-tags a {
    display: inline-block;
    padding: 4px 14px;
    background: var(--color-bg);
    border-radius: 20px;
    font-size: 13px;
    color: var(--color-text-light);
    transition: all var(--transition);
}

.post-tags a:hover {
    background: var(--color-primary);
    color: #fff;
}

/* 上一篇/下一篇导航 */
.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border-light);
    font-size: 14px;
    gap: 20px;
}

.nav-prev,
.nav-next {
    flex: 1;
    min-width: 0;
}

.nav-next {
    text-align: right;
}

.post-navigation a {
    color: var(--color-text-light);
}

.post-navigation a:hover {
    color: var(--color-accent);
}

/* --- 分页 --- */
.pagination {
    margin-top: 30px;
}

.page-nav {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
}

.page-nav .page-item {
    display: inline-block;
    min-width: 38px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.page-nav .page-item:hover {
    background: var(--color-primary-light);
    color: #fff;
}

.page-nav .page-current {
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

/* --- 友情链接 --- */
.friend-links {
    background: var(--color-white);
    padding: 24px 0;
    margin-top: 40px;
    border-top: 3px solid var(--color-primary);
}

.friend-links-header {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.friend-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.friend-links-list a {
    font-size: 14px;
    color: var(--color-text-light);
    padding: 4px 0;
}

.friend-links-list a:hover {
    color: var(--color-accent);
}

/* --- 页脚 --- */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 24px 0;
    text-align: center;
}

.footer-info {
    font-size: 13px;
    line-height: 2;
}

.footer-info a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-info a:hover {
    color: #fff;
}

.beian-icon {
    display: inline-block;
    height: 16px;
    width: auto;
    vertical-align: -3px;
    margin-right: 4px;
}

/* --- 返回顶部 --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: 22px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 90;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

/* --- 404页面 --- */
.error-404 {
    text-align: center;
    padding: 80px 20px;
}

.error-404 h1 {
    font-size: 120px;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    opacity: 0.3;
}

.error-404 p {
    font-size: 18px;
    color: var(--color-text-light);
    margin: 20px 0 30px;
}

.btn-home {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    transition: all var(--transition);
}

.btn-home:hover {
    background: var(--color-accent);
    color: #fff;
}

/* --- 空状态 --- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-lighter);
}

/* --- 旧URL兼容：DedeCMS参数格式自动跳转 --- */
/* (由Nginx 301规则处理，前端提示备用) */

/* --- 动画 --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.section,
.post-item,
.hot-post-card {
    animation: fadeInUp 0.4s ease backwards;
}

.section:nth-child(2) { animation-delay: 0.05s; }
.section:nth-child(3) { animation-delay: 0.1s; }
.post-item:nth-child(1) { animation-delay: 0.05s; }
.post-item:nth-child(2) { animation-delay: 0.1s; }
.post-item:nth-child(3) { animation-delay: 0.15s; }
.post-item:nth-child(4) { animation-delay: 0.2s; }
.post-item:nth-child(5) { animation-delay: 0.25s; }
.post-item:nth-child(6) { animation-delay: 0.3s; }


/* ================================================================
   响应式布局
   ================================================================ */

/* 平板 (<960px) */
@media (max-width: 960px) {
    .main-with-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .hot-posts-grid {
        grid-template-columns: 1fr;
    }

    .post-item {
        flex-direction: column;
    }

    .post-thumb {
        width: 100%;
        height: 200px;
    }

    .slider-slide img {
        height: 280px;
    }

    .post-title-single {
        font-size: 22px;
    }

    .single-post {
        padding: 20px;
    }
}

/* 手机 (<640px) */
@media (max-width: 640px) {
    :root {
        --header-height: 56px;
    }

    .container {
        padding: 0 14px;
    }

    /* 移动端导航 */
    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-primary-dark);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .main-nav.open {
        max-height: 400px;
    }

    .nav-list {
        flex-direction: column;
    }

    .nav-list li a {
        padding: 14px 20px;
        line-height: 1.5;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-list li a::after {
        display: none;
    }

    /* 轮播图 */
    .slider-slide img {
        height: 200px;
    }

    .slide-caption {
        font-size: 14px;
        padding: 10px 14px;
    }

    .slider-prev,
    .slider-next {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    /* 标题 */
    .section-title {
        font-size: 17px;
    }

    /* 文章列表 */
    .post-title {
        font-size: 16px;
    }

    .post-meta {
        gap: 10px;
        font-size: 12px;
    }

    /* 文章详情 */
    .post-title-single {
        font-size: 20px;
    }

    .post-meta-single {
        gap: 12px;
        font-size: 13px;
    }

    .single-post {
        padding: 16px;
    }

    /* 页脚 */
    .site-footer {
        padding: 20px 0;
    }

    /* 搜索 */
    .search-input {
        padding: 12px 16px;
        font-size: 16px;
    }

    .search-submit {
        padding: 12px 20px;
        font-size: 14px;
    }

    /* 返回顶部 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 38px;
        height: 38px;
        font-size: 18px;
    }
}

/* 小手机 (<400px) */
@media (max-width: 400px) {
    .logo-text {
        font-size: 16px;
    }

    .slider-slide img {
        height: 160px;
    }

    .top-news-title,
    .hot-post-title {
        font-size: 15px;
    }

    .post-thumb {
        height: 160px;
    }

    .post-navigation {
        flex-direction: column;
        gap: 10px;
    }
}