/* ============================================
   版权所有 © 2026 墨迹语CMS 
   https://www.mojiyucms.com/
   ============================================ 
*/

/* ====================== CSS变量定义 ====================== */
:root {
    --primary: #00B894;
    --primary-light: #55EFC4;
    --primary-dark: #00856F;
    --secondary: #FFEAA7;
    --text: #2D3436;
    --text-light: #636E72;
    --background: #F0FFF4;
    --background-light: #FFFFFF;
    --border: #B2F5EA;
    --link: #00B894;
    --link-hover: #00856F;
    --success: #38B000;
    --warning: #FFB300;
    --danger: #D63031;
}

/* ====================== 基础样式 ====================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    background-color: var(--background);
    overflow-x: hidden;
}

a {
    color: var(--link);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* ====================== 容器宽度 ====================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ====================== Header 头部 ====================== */
.yixue4-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-name {
    font-size: 26px;
    font-weight: 700;
    color: var(--background-light);
    letter-spacing: 1px;
}

/* 主导航 */
.main-nav {
    display: flex;
    gap: 32px;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    transform: translateY(-2px);
}

/* 搜索表单 */
.search-form {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.search-form input {
    border: none;
    padding: 10px 20px;
    font-size: 14px;
    width: 260px;
    background: transparent;
    outline: none;
    color: var(--text);
}

.search-form button {
    border: none;
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-form button:hover {
    background: var(--primary-dark);
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}

/* 移动端侧边菜单 */
.mobile-menu {
    position: fixed;
    right: -320px;
    top: 0;
    height: 100vh;
    width: 300px;
    background: white;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.15);
    transition: right 0.3s ease;
    z-index: 9999;
    overflow-y: auto;
    padding: 20px;
}

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

.mobile-menu .close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text);
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-links {
    margin-top: 60px;
}

.mobile-menu-links a {
    display: block;
    padding: 15px 10px;
    color: var(--text);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

.mobile-menu-links a.active {
    color: var(--primary);
    background: rgba(0, 184, 148, 0.05);
}

/* ====================== Footer 页脚 ====================== */
.yixue4-footer {
    background: linear-gradient(135deg, #2D3436 0%, #636E72 100%);
    color: rgba(255, 255, 255, 0.8);
    margin-top: 80px;
}

/* 全国分站 */
.footer-branches {
    padding: 50px 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-branches h3 {
    font-size: 20px;
    font-weight: 600;
    color: white;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-branches h3 i {
    color: var(--primary-light);
}

.branch-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.branch-links a {
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    text-align: center;
    transition: all 0.3s ease;
}

.branch-links a:hover {
    background: rgba(85, 239, 196, 0.2);
    color: white;
    transform: translateY(-2px);
}

/* 友情链接 */
.footer-links {
    padding: 35px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links h3 {
    font-size: 18px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links h3 i {
    color: var(--secondary);
}

.footer-link-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-link-list a {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
    transition: all 0.3s ease;
}

.footer-link-list a:hover {
    background: rgba(255, 234, 167, 0.15);
    color: white;
}

/* 版权信息 */
.footer-bottom {
    padding: 30px 0;
    text-align: center;
}

.copyright {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.copyright a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
}

.copyright a:hover {
    color: white;
}

/* ====================== Sidebar 侧边栏 ====================== */
.yixue4-sidebar {
    width: 350px;
}

.sidebar-widget {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sidebar-widget:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.15);
}

.sidebar-widget h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-widget h3 i {
    color: var(--primary);
}

.sidebar-widgetgn {
    background: white;
    border-radius: 16px;
    margin-bottom: 24px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sidebar-widgetgn:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.15);
}

.sidebar-widgetgn h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-widgetgn h3 i {
    color: var(--primary);
}



.sidebar-list {
    list-style: none;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.item-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar-item a {
    flex: 1;
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sidebar-item a:hover {
    color: var(--primary);
}

.sidebar-item time {
    font-size: 12px;
    color: var(--text-light);
    flex-shrink: 0;
}

/* 带缩略图的侧边栏列表 */
.sidebar-list-thumb {
    list-style: none;
}

.sidebar-item-thumb {
    display: flex;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.sidebar-item-thumb img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.sidebar-item-thumb .item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-item-thumb .item-content a {
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sidebar-item-thumb .item-content a:hover {
    color: var(--primary);
}

.sidebar-item-thumb .item-content time {
    font-size: 12px;
    color: var(--text-light);
}

/* ====================== 首页样式 ====================== */
.yixue4-home {
    margin-top: 40px;
}

/* 功能金刚区 */
.function-section {
    margin-bottom: 50px;
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.func-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.func-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 184, 148, 0.2);
    background: linear-gradient(135deg, var(--primary-light), white);
}

.func-item i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 12px;
    transition: transform 0.3s ease;
}

.func-item:hover i {
    transform: scale(1.1);
}

.func-item span {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
}

/* 内容包裹容器 */
.content-wrapper {
    display: flex;
    gap: 40px;
}

.main-content {
    flex: 1;
}

/* 焦点轮播区 */
.feature-section {
    margin-bottom: 50px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-item {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 184, 148, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 184, 148, 0.2);
}

.feature-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.feature-item:hover img {
    transform: scale(1.05);
}

.feature-content {
    padding: 24px;
}

.feature-content h2 {
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.feature-content h2 a {
    color: var(--text);
}

.feature-content h2 a:hover {
    color: var(--primary);
}

.feature-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 楼层展示 */
.floor-section {
    margin-bottom: 50px;
}

.floor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary);
}

.floor-header h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    position: relative;
    padding-left: 18px;
}

.floor-header h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 28px;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: 3px;
}

.more-link {
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.more-link:hover {
    background: var(--primary);
    color: white;
}

.floor-articles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.floor-article-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
    transition: all 0.3s ease;
}

.floor-article-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(0, 184, 148, 0.15);
}

.article-thumb {
    position: relative;
    overflow: hidden;
}

.article-thumb img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* ====================== 列表页样式 ====================== */
.yixue4-list {
    margin-top: 40px;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 0;
    margin-bottom: 30px;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

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

.breadcrumb .separator {
    color: var(--border);
    flex-shrink: 0;
}

.breadcrumb .current {
    color: var(--text);
    font-weight: 500;
    word-break: break-all;
    line-height: 1.5;
}

/* 栏目标题区 */
.category-header {
    margin-bottom: 40px;
    text-align: center;
    padding: 30px 0;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
}

.category-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

.category-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    padding-top: 15px;
}

/* 文章网格列表（瀑布流模式3）*/
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.grid-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.grid-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 184, 148, 0.2);
}

.card-thumb {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 66.67%;
    /* 3:2 比例 */
}

.card-thumb a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.card-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.grid-card:hover .card-thumb img {
    transform: scale(1.08);
}

.card-thumb-placeholder {
    width: 100%;
    padding-top: 66.67%;
    background: linear-gradient(135deg, var(--background), var(--border));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.card-thumb-placeholder i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: var(--text-light);
    opacity: 0.3;
}

.card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 12px;
    flex-shrink: 0;
}

.card-title a {
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-title a:hover {
    color: var(--primary);
}

.card-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-light);
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.meta-time,
.meta-views {
    display: flex;
    align-items: center;
    gap: 6px;
}

.meta-time i,
.meta-views i {
    color: var(--primary-light);
}

/* 分页 */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin: 50px 0;
}

/* 覆盖默认分页样式 */
.main-content .pagination {
    display: flex;
    gap: 8px;
    align-items: center;
}

.main-content .pagination a,
.main-content .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    transition: all 0.3s ease;
}

.main-content .pagination a:hover {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
    transform: translateY(-2px);
}

.main-content .pagination .current {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
    font-weight: 600;
}

/* 无数据提示 */
.no-data {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
}

.no-data-icon {
    margin-bottom: 20px;
}

.no-data-icon i {
    font-size: 80px;
    color: var(--border);
}

.no-data-text {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 25px;
}

.no-data-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.no-data-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
}

/* ====================== 详情页样式 ====================== */
.yixue4-detail {
    margin-top: 40px;
}

/* 文章主体 */
.article-detail {
    background: white;
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
}

/* 文章头部 */
.article-header {
    padding-bottom: 25px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.meta-item i {
    color: var(--primary-light);
}

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

.meta-item a:hover {
    color: var(--primary);
}

/* 封面图 */
.article-cover {
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    height: auto;
    display: block;
}

/* 文章正文样式 */
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
}

.article-content p {
    margin-bottom: 1.5em;
    text-align: justify;
}

.article-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2em auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.article-content h2,
.article-content h3,
.article-content h4 {
    color: var(--text);
    margin-top: 2em;
    margin-bottom: 1em;
    font-weight: 600;
    position: relative;
    padding-left: 16px;
}

.article-content h2::before,
.article-content h3::before,
.article-content h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

.article-content h2 {
    font-size: 26px;
}

.article-content h3 {
    font-size: 22px;
}

.article-content h4 {
    font-size: 18px;
}

.article-content ul,
.article-content ol {
    padding-left: 2em;
    margin-bottom: 1.5em;
}

.article-content li {
    margin-bottom: 0.5em;
    line-height: 1.8;
}

.article-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 1em 1.5em;
    background: rgba(0, 184, 148, 0.05);
    margin: 1.5em 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-light);
}

.article-content code {
    background: #f5f5f5;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', 'Consolas', monospace;
    font-size: 14px;
    color: #e83e8c;
}

.article-content pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 1.5em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5em 0;
}

.article-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    overflow-x: auto;
    display: block;
}

.article-content table th,
.article-content table td {
    border: 1px solid var(--border);
    padding: 12px;
    text-align: left;
}

.article-content table th {
    background: rgba(0, 184, 148, 0.1);
    font-weight: 600;
    color: var(--text);
}

.article-content table tr:nth-child(even) {
    background: rgba(0, 184, 148, 0.03);
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--primary-dark);
}

/* 上下篇导航 */
.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
    transition: all 0.3s ease;
}

.nav-item.prev-article,
.nav-item.next-article {
    color: var(--text);
}

.nav-item.prev-article:hover,
.nav-item.next-article:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.2);
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.05), white);
}

.nav-item i {
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.nav-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
}

.nav-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

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

.nav-item.next-article .nav-content {
    align-items: flex-end;
}

.no-article {
    justify-content: center;
    color: var(--text-light);
    font-size: 14px;
    background: rgba(0, 184, 148, 0.05);
}

.no-article i {
    color: var(--border);
}

/* 相关文章推荐 */
.related-articles {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0, 184, 148, 0.08);
}

.section-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
}

.section-title i {
    color: var(--primary);
}

.related-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.related-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.related-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0, 184, 148, 0.15);
    border-color: var(--primary-light);
}

.related-thumb-small {
    width: 150px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
}

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

.related-item:hover .related-thumb-small img {
    transform: scale(1.1);
}

.related-thumb-small.placeholder {
    background: linear-gradient(135deg, var(--background), var(--border));
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-thumb-small.placeholder i {
    font-size: 32px;
    color: var(--text-light);
    opacity: 0.3;
}

.related-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.related-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.related-item:hover .related-title {
    color: var(--primary);
}

.related-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    flex: 1;
}

.related-date {
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.related-date i {
    color: var(--primary-light);
}

.article-info {
    padding: 20px;
}

.article-info h3 {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.article-info h3 a {
    color: var(--text);
}

.article-info h3 a:hover {
    color: var(--primary);
}

.article-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-light);
}

.article-meta time {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta time::before {
    content: '\f017';
    font-family: 'Font Awesome 5 Free';
    font-weight: 400;
}

.article-meta .views {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta .views::before {
    content: '\f06e';
    font-family: 'Font Awesome 5 Free';
    font-weight: 400;
}

/* 侧边栏 - 六大测算功能板块 */
.tools-widget {
    margin-bottom: 30px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.tool-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 184, 148, 0.15);
    border-color: var(--primary-light);
}

.tool-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 8px;
    flex-shrink: 0;
}

.tool-icon i {
    font-size: 18px;
    color: white;
}

.tool-info {
    flex: 1;
    min-width: 0;
}

.tool-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 3px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-card:hover .tool-info h4 {
    color: var(--primary);
}

.tool-info p {
    font-size: 11px;
    color: var(--text-light);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 侧边栏 - 最新更新紧凑列表 */
.sidebar-list-compact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-item-compact {
    display: block;
    transition: all 0.3s ease;
}

.sidebar-item-compact a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-item-compact a::before {
    content: '\f15c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 400;
    font-size: 14px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.sidebar-item-compact:hover a {
    transform: translateY(-2px);
    box-shadow: 0 3px 12px rgba(0, 184, 148, 0.12);
    border-color: var(--primary-light);
}

.sidebar-item-compact:hover a::before {
    color: var(--primary-dark);
}

.sidebar-item-compact .item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.sidebar-item-compact .item-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sidebar-item-compact:hover .item-title {
    color: var(--primary);
}

.sidebar-item-compact .item-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: var(--text-light);
}

.sidebar-item-compact .item-category {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--background);
    border-radius: 4px;
    font-size: 11px;
    color: var(--primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

.sidebar-item-compact time {
    white-space: nowrap;
    flex-shrink: 0;
}

/* ====================== 响应式设计 ====================== */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 16px;
    }

    /* Header */
    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .search-form {
        display: none;
    }

    .site-name {
        font-size: 20px;
    }

    /* 功能金刚区 */
    .function-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .func-item {
        padding: 20px 15px;
    }

    .func-item i {
        font-size: 28px;
    }

    .func-item span {
        font-size: 13px;
    }

    /* 内容布局 */
    .content-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .yixue4-sidebar {
        width: 100%;
    }

    /* 焦点区 */
    .feature-grid {
        grid-template-columns: 1fr;
    }

    /* 楼层 */
    .floor-articles {
        grid-template-columns: 1fr;
    }

    .floor-header h2 {
        font-size: 22px;
    }

    /* 列表页 */
    .article-grid {
        grid-template-columns: 1fr;
    }

    .category-title {
        font-size: 26px;
    }

    .breadcrumb {
        font-size: 13px;
    }

    /* 详情页 */
    .article-detail {
        padding: 30px 20px;
    }

    .article-title {
        font-size: 26px;
    }

    .article-meta {
        gap: 12px;
    }

    .meta-item {
        font-size: 13px;
    }

    .breadcrumb {
        font-size: 13px;
        gap: 8px;
    }

    .article-nav {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .nav-item.next-article {
        text-align: left;
    }

    .nav-item.next-article .nav-content {
        align-items: flex-start;
    }

    .related-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .related-thumb-small {
        width: 120px;
        height: 80px;
    }

    /* 侧边栏 - 六大测算 */
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .tool-card {
        flex-direction: column;
        text-align: center;
        padding: 12px;
    }

    .tool-icon {
        width: 36px;
        height: 36px;
    }

    .tool-icon i {
        font-size: 18px;
    }

    .tool-info h4 {
        font-size: 13px;
    }

    .tool-info p {
        font-size: 11px;
    }

    /* 最新更新紧凑列表 */
    .sidebar-list-compact {
        gap: 8px;
    }

    .sidebar-item-compact a {
        padding: 8px 10px;
        gap: 8px;
    }

    .sidebar-item-compact a::before {
        font-size: 13px;
    }

    .sidebar-item-compact .item-title {
        font-size: 13px;
    }

    .sidebar-item-compact .item-meta {
        font-size: 11px;
    }

    .sidebar-item-compact .item-category {
        font-size: 10px;
        padding: 2px 6px;
        max-width: 80px;
    }

    /* Footer */
    .branch-links {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }
}

@media (max-width: 430px) {
    .container {
        padding: 0 12px;
    }

    /* 功能金刚区 */
    .function-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .func-item {
        padding: 18px 10px;
    }

    .func-item i {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .func-item span {
        font-size: 12px;
    }

    /* 楼层 */
    .floor-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .floor-header h2 {
        font-size: 20px;
    }

    /* Sidebar */
    .sidebar-item-thumb img {
        width: 70px;
        height: 52px;
    }

    /* 侧边栏 - 六大测算 */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .tool-card {
        flex-direction: column;
        text-align: center;
        padding: 10px;
    }

    .tool-icon {
        width: 32px;
        height: 32px;
    }

    .tool-icon i {
        font-size: 16px;
    }

    .tool-info h4 {
        font-size: 12px;
    }

    .tool-info p {
        display: none;
    }

    /* 最新更新紧凑列表 */
    .sidebar-list-compact {
        gap: 6px;
    }

    .sidebar-item-compact a {
        padding: 8px;
        gap: 6px;
    }

    .sidebar-item-compact a::before {
        font-size: 12px;
        margin-top: 1px;
    }

    .sidebar-item-compact .item-content {
        gap: 4px;
    }

    .sidebar-item-compact .item-title {
        font-size: 13px;
        -webkit-line-clamp: 1;
    }

    .sidebar-item-compact .item-meta {
        font-size: 11px;
        flex-wrap: wrap;
        gap: 6px;
    }

    .sidebar-item-compact .item-category {
        font-size: 10px;
        padding: 1px 5px;
        max-width: 70px;
    }

    /* Footer */
    .branch-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-branches h3,
    .footer-links h3 {
        font-size: 16px;
    }

    /* 列表页 */
    .category-title {
        font-size: 22px;
    }

    .category-header {
        padding: 20px;
        margin-bottom: 25px;
    }

    .card-body {
        padding: 18px;
    }

    .card-title {
        font-size: 16px;
    }

    .pagination-wrapper {
        margin: 30px 0;
    }

    .main-content .pagination a,
    .main-content .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
        padding: 0 10px;
    }

    /* 详情页 */
    .article-detail {
        padding: 20px 15px;
    }

    .article-title {
        font-size: 22px;
        line-height: 1.4;
        word-break: break-word;
    }

    .article-meta {
        gap: 10px;
    }

    .meta-item {
        font-size: 12px;
    }

    .breadcrumb {
        font-size: 12px;
        gap: 6px;
        padding: 12px 0;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        font-size: 20px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .article-content h4 {
        font-size: 16px;
    }

    .section-title {
        font-size: 18px;
    }

    .related-list {
        grid-template-columns: 1fr;
    }

    .related-item {
        flex-direction: column;
        padding: 15px;
    }

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

    .related-title {
        font-size: 15px;
    }

    .related-desc {
        font-size: 13px;
    }

    .nav-item {
        padding: 15px;
    }

    .nav-title {
        font-size: 14px;
    }
}

/* ============================================
   搜索页样式
============================================ */

.yixue4-search {
    padding: 40px 0;
    min-height: 60vh;
}

/* 搜索表单区（全局） */
.yixue4-search .search-form-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 184, 148, 0.2);
    margin-bottom: 40px;
    text-align: center;
}

.search-form-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.search-form-header i {
    font-size: 36px;
    color: white;
}

.search-form-header h2 {
    font-size: 32px;
    color: white;
    margin: 0;
    font-weight: 600;
}

.search-form-large {
    display: flex;
    gap: 10px;
    max-width: 700px;
    margin: 0 auto;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper i {
    position: absolute;
    left: 20px;
    color: var(--text-light);
    font-size: 18px;
}

.search-input-wrapper input {
    width: 100%;
    padding: 18px 20px 18px 55px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.search-input-wrapper input:focus {
    outline: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.search-form-large button {
    padding: 18px 40px;
    background: var(--primary-dark);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-form-large button:hover {
    background: #006b5a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 搜索结果头部 */
.search-header {
    padding: 30px 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 30px;
}

.search-header h1 {
    font-size: 28px;
    color: var(--text);
    margin: 0 0 15px 0;
}

.keyword-highlight {
    color: var(--primary);
    font-weight: 700;
    padding: 0 8px;
    background: var(--background);
    border-radius: 6px;
}

.result-count,
.no-result-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--text-light);
    margin: 0;
}

.result-count i {
    color: var(--primary);
    font-size: 18px;
}

.no-result-msg i {
    color: #FF6B6B;
    font-size: 18px;
}

.result-count strong,
.no-result-msg strong {
    color: var(--primary);
    font-weight: 700;
}

/* 搜索结果列表 */
.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-result-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.search-result-card:hover {
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.15);
    transform: translateY(-3px);
    border-color: var(--primary-light);
}

.result-thumb {
    width: 180px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--background);
}

.result-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.search-result-card:hover .result-thumb img {
    transform: scale(1.1);
}

.result-thumb.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
}

.result-thumb.placeholder i {
    font-size: 48px;
    color: var(--border);
}

.result-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.result-title {
    margin: 0;
    font-size: 20px;
    line-height: 1.4;
}

.result-title a {
    color: var(--text);
    font-weight: 600;
    transition: color 0.3s ease;
}

.result-title a:hover {
    color: var(--primary);
}

.result-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-light);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-light);
}

.result-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.result-meta i {
    color: var(--primary);
}

/* 无结果处理 */
.no-results-section {
    text-align: center;
    padding: 60px 20px;
}

.no-results-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(0, 184, 148, 0.2);
}

.no-results-icon i {
    font-size: 60px;
    color: white;
}

.no-results-section h2 {
    font-size: 28px;
    color: var(--text);
    margin: 0 0 15px 0;
}

.no-results-text {
    font-size: 16px;
    color: var(--text-light);
    margin: 0 0 40px 0;
}

/* 搜索建议 */
.search-suggestions {
    max-width: 600px;
    margin: 0 auto 50px;
    padding: 30px;
    background: var(--background);
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    text-align: left;
}

.search-suggestions h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    color: var(--text);
    margin: 0 0 20px 0;
}

.search-suggestions h3 i {
    color: var(--secondary);
    font-size: 24px;
}

.search-suggestions ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-suggestions li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.search-suggestions li i {
    color: var(--primary);
    font-size: 14px;
    flex-shrink: 0;
}

/* 热门文章推荐 */
.hot-articles-section {
    margin-top: 50px;
}

.hot-articles-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    color: var(--text);
    margin: 0 0 30px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border);
}

.hot-articles-section h3 i {
    color: #FF6B6B;
    font-size: 26px;
}

.yixue4-search .hot-articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.yixue4-search .hot-article-card {
    padding: 25px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.yixue4-search .hot-article-card:hover {
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.15);
    transform: translateY(-3px);
    border-color: var(--primary-light);
}

.hot-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    border-radius: 50%;
    margin-bottom: 5px;
}

.hot-card-icon i {
    color: white;
    font-size: 18px;
}

.yixue4-search .hot-article-card h4 {
    margin: 0;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.yixue4-search .hot-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.yixue4-search .hot-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 13px;
    color: var(--text-light);
    margin-top: auto;
}

.yixue4-search .hot-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.yixue4-search .hot-meta i {
    color: var(--primary);
}

/* ============================================
   404错误页样式
============================================ */

.yixue4-404 {
    padding: 40px 0;
    min-height: 70vh;
}

.error-404-page {
    max-width: 900px;
    margin: 0 auto;
}

/* 错误提示区 */
.error-404-section {
    text-align: center;
    padding: 60px 40px;
    background: white;
    border-radius: 20px;
    border: 2px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 184, 148, 0.1);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

/* 装饰叶子 */
.error-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.decoration-leaf {
    position: absolute;
    font-size: 80px;
    opacity: 0.08;
}

.leaf-1 {
    top: 20px;
    left: 40px;
    color: var(--primary);
    transform: rotate(-20deg);
}

.leaf-2 {
    top: 50%;
    right: 40px;
    color: var(--primary-light);
    transform: rotate(30deg);
}

.leaf-3 {
    bottom: 40px;
    left: 50%;
    color: var(--primary-dark);
    transform: rotate(-45deg);
}

.error-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary) 0%, #FFD700 100%);
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(255, 234, 167, 0.4);
    position: relative;
    z-index: 1;
}

.error-icon i {
    font-size: 50px;
    color: white;
}

.error-404-title {
    font-size: 120px;
    color: var(--primary);
    margin: 20px 0 10px;
    font-family: 'KaiTi', 'STKaiti', serif;
    font-weight: 700;
    line-height: 1;
    text-shadow: 2px 2px 4px rgba(0, 184, 148, 0.2);
    position: relative;
    z-index: 1;
}

.error-subtitle {
    font-size: 32px;
    color: var(--text);
    margin: 0 0 10px 0;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.error-desc {
    font-size: 16px;
    color: var(--text-light);
    margin: 0 0 30px 0;
    position: relative;
    z-index: 1;
}

.error-reasons {
    max-width: 500px;
    margin: 30px auto 0;
    padding: 25px 30px;
    background: var(--background);
    border-radius: 12px;
    text-align: left;
    position: relative;
    z-index: 1;
}

.error-reasons h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    color: var(--text);
    margin: 0 0 15px 0;
}

.error-reasons h3 i {
    color: var(--primary);
    font-size: 20px;
}

.error-reasons ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.error-reasons li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.error-reasons li i {
    color: var(--primary);
    font-size: 8px;
    flex-shrink: 0;
}

/* 快捷操作按钮 */
.error-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
}

.error-actions .btn-primary,
.error-actions .btn-secondary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.error-actions .btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

.error-actions .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
}

.error-actions .btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.error-actions .btn-secondary:hover {
    background: var(--background);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

/* 搜索功能 */
.error-search-section {
    background: white;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    margin-bottom: 50px;
}

.error-search-section h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 22px;
    color: var(--text);
    margin: 0 0 25px 0;
}

.error-search-section h3 i {
    color: var(--primary);
    font-size: 24px;
}

.error-search-section .search-form {
    display: flex;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto;
}

.error-search-section .search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.error-search-section .search-input-wrapper i {
    position: absolute;
    left: 18px;
    color: var(--text-light);
    font-size: 16px;
}

.error-search-section .search-input-wrapper input {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 16px;
    background: white;
    transition: all 0.3s ease;
}

.error-search-section .search-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.error-search-section .search-form button {
    padding: 15px 35px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.error-search-section .search-form button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

/* 热门文章推荐 */
.error-hot-section {
    margin-top: 50px;
}

.error-hot-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    color: var(--text);
    margin: 0 0 30px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border);
}

.error-hot-section h3 i {
    color: #FF6B6B;
    font-size: 26px;
}

.yixue4-404 .error-hot-section .hot-articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.error-hot-section .hot-article-card {
    padding: 25px;
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
}

.error-hot-section .hot-article-card:hover {
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.15);
    transform: translateY(-3px);
    border-color: var(--primary-light);
}

.hot-card-number {
    position: absolute;
    top: -10px;
    left: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    color: white;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
}

.error-hot-section .hot-article-card h4 {
    margin: 15px 0 0 0;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.error-hot-section .hot-desc {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.hot-views {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-light);
    margin-top: auto;
}

.hot-views i {
    color: #FF6B6B;
    font-size: 14px;
}

/* 响应式 - 平板 */
@media (max-width: 768px) {

    /* 搜索页 */
    .yixue4-search .search-form-section {
        padding: 40px 25px;
    }

    .search-form-header h2 {
        font-size: 26px;
    }

    .search-form-large {
        flex-direction: column;
    }

    .search-form-large button {
        width: 100%;
        justify-content: center;
    }

    .result-thumb {
        width: 140px;
        height: 100px;
    }

    .result-title {
        font-size: 18px;
    }

    .yixue4-search .hot-articles-grid {
        grid-template-columns: 1fr;
    }

    /* 404页 */
    .error-404-title {
        font-size: 100px;
    }

    .error-subtitle {
        font-size: 28px;
    }

    .error-actions {
        flex-wrap: wrap;
    }

    .yixue4-404 .error-hot-section .hot-articles-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   首页八字精批表单 + 当日黄历（青绿色主题）
   ===================================================== */
.index-hero-section {
    margin: 30px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
}

/* 卡片通用样式 */
.hero-form-card,
.hero-huangli-card {
    background: var(--background-light);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 24px rgba(0, 184, 148, 0.12);
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.hero-form-card:hover,
.hero-huangli-card:hover {
    box-shadow: 0 12px 32px rgba(0, 184, 148, 0.18);
    transform: translateY(-4px);
}

/* 表单卡片 */
.hero-form-card .hero-form {
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* 黄历卡片内容区域 */
.hero-huangli-card {
    display: flex;
    flex-direction: column;
}

.hero-huangli-card .huangli-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 卡片头部 */
.hero-card-header {
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 16px;
}

.hero-card-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-card-header h3 i {
    font-size: 26px;
}

.hero-card-header p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* 表单样式 */
.hero-form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 18px;
}

.hero-form-group {
    display: flex;
    flex-direction: column;
}

.hero-form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.hero-form-group .required {
    color: var(--danger);
}

.hero-form-group input[type="text"],
.hero-form-group select {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text);
    background: var(--background);
    transition: all 0.3s ease;
    outline: none;
}

.hero-form-group input[type="text"]:focus,
.hero-form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

/* 单选按钮组 */
.hero-radio-group {
    display: flex;
    gap: 16px;
}

.hero-radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 18px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--background);
    transition: all 0.3s ease;
}

.hero-radio-label:hover {
    border-color: var(--primary);
    background: rgba(0, 184, 148, 0.05);
}

.hero-radio-label input[type="radio"] {
    margin-right: 8px;
    accent-color: var(--primary);
}

.hero-radio-label input[type="radio"]:checked+.hero-radio-text {
    font-weight: 600;
    color: var(--primary);
}

.hero-radio-text {
    font-size: 15px;
    color: var(--text);
}

/* 日期选择器 */
.hero-date-group {
    margin-bottom: 18px;
}

.hero-date-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    display: block;
}

.hero-date-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.hero-date-row select {
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text);
    background: var(--background);
    transition: all 0.3s ease;
    outline: none;
}

.hero-date-row select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

/* 提交按钮 */
.hero-submit-btn {
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    font-size: 18px;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
    margin-top: auto;
}

.hero-submit-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
    transform: translateY(-2px);
}

/* 黄历内容样式 */
.huangli-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 黄历数据区域 */
.huangli-data-wrapper {
    flex: 1;
}

.huangli-loading,
.huangli-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-light);
    font-size: 16px;
}

.huangli-loading i,
.huangli-error i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--primary);
}

/* 黄历日期 */
.huangli-date {
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.08) 0%, rgba(85, 239, 196, 0.08) 100%);
    border-radius: 15px;
    padding: 24px;
    margin-bottom: 20px;
    border: 2px solid rgba(0, 184, 148, 0.15);
}

.huangli-date-main {
    display: flex;
    align-items: center;
    gap: 20px;
}

.huangli-day {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 184, 148, 0.2);
}

.huangli-date-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.huangli-gregorian {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.huangli-lunar {
    font-size: 15px;
    color: var(--text-light);
}

/* 黄历详情 */
.huangli-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
}

.huangli-detail-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: var(--background);
    border-radius: 10px;
}

.huangli-detail-item label {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    min-width: 80px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.huangli-detail-item label i {
    font-size: 16px;
}

.huangli-detail-item span {
    font-size: 14px;
    color: var(--text);
    flex: 1;
}

/* 宜忌 */
.huangli-yiji {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.huangli-yi,
.huangli-ji {
    background: var(--background);
    border-radius: 10px;
    padding: 16px;
    border: 2px solid var(--border);
}

.yiji-label {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.huangli-yi .yiji-label {
    color: var(--success);
}

.huangli-yi .yiji-label i {
    font-size: 18px;
}

.huangli-ji .yiji-label {
    color: var(--danger);
}

.huangli-ji .yiji-label i {
    font-size: 18px;
}

.yiji-text {
    font-size: 14px;
    color: var(--text);
    line-height: 1.6;
}

/* 查看完整黄历按钮 */
.huangli-more-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.25);
    margin-top: auto;
}

.huangli-more-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 6px 18px rgba(0, 184, 148, 0.35);
    transform: translateY(-2px);
    color: white;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .hero-date-row {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .index-hero-section {
        margin: 20px 0;
    }

    .hero-form-card,
    .hero-huangli-card {
        padding: 20px;
    }

    .hero-card-header h3 {
        font-size: 20px;
    }

    .hero-date-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .huangli-day {
        font-size: 42px;
    }

    .huangli-gregorian {
        font-size: 16px;
    }

    .huangli-yiji {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   侧边栏黄历和节气功能（青绿色主题）
   ===================================================== */

/* 黄历卡片 */
.huangli-sidebar-container {
    padding: 16px;
}

/* 日历头部 */
.sidebar-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.08) 0%, rgba(85, 239, 196, 0.08) 100%);
    border-radius: 12px;
    border: 2px solid rgba(0, 184, 148, 0.15);
}

.sidebar-calendar-nav-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 16px;
}

.sidebar-calendar-nav-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.sidebar-calendar-current {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
}

/* 星期头 */
.sidebar-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    margin-bottom: 10px;
    padding: 0 4px;
}

.sidebar-calendar-weekdays span {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    padding: 8px 0;
}

/* 日期网格 */
.sidebar-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    margin-bottom: 20px;
}

.sidebar-calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    background: var(--background);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.sidebar-calendar-day:hover {
    background: rgba(0, 184, 148, 0.1);
    border-color: var(--primary-light);
    transform: scale(1.05);
}

.sidebar-calendar-day.today {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

.sidebar-calendar-day.selected {
    border-color: var(--primary);
    background: rgba(0, 184, 148, 0.15);
    font-weight: 700;
    color: var(--primary);
}

.sidebar-calendar-day.other-month {
    color: var(--text-light);
    opacity: 0.4;
    cursor: default;
}

.sidebar-calendar-day.other-month:hover {
    background: var(--background);
    border-color: transparent;
    transform: none;
}

/* 当日信息 */
.sidebar-today-info {
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.06) 0%, rgba(85, 239, 196, 0.06) 100%);
    border-radius: 12px;
    padding: 18px;
    border: 2px solid rgba(0, 184, 148, 0.15);
}

.sidebar-today-date {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(0, 184, 148, 0.15);
}

.sidebar-date-solar {
    display: flex;
    align-items: center;
    gap: 14px;
}

.sidebar-date-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 184, 148, 0.2);
}

.sidebar-date-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-date-text span:first-child {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.sidebar-date-text span:last-child {
    font-size: 13px;
    color: var(--text-light);
}

.sidebar-date-lunar {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    padding: 8px 16px;
    background: rgba(0, 184, 148, 0.1);
    border-radius: 8px;
}

/* 八字 */
.sidebar-bazi {
    display: flex;
    align-items: center;
    padding: 12px;
    background: var(--background);
    border-radius: 8px;
    margin-bottom: 14px;
}

.sidebar-bazi label {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    min-width: 60px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar-bazi label i {
    font-size: 14px;
}

.sidebar-bazi span {
    font-size: 13px;
    color: var(--text);
    flex: 1;
}

/* 宜忌区域 */
.sidebar-yiji-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sidebar-yi-box,
.sidebar-ji-box {
    background: var(--background);
    border-radius: 8px;
    padding: 12px;
    border: 2px solid var(--border);
}

.sidebar-yiji-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar-yi-box .sidebar-yiji-title {
    color: var(--success);
}

.sidebar-yi-box .sidebar-yiji-title i {
    font-size: 16px;
}

.sidebar-ji-box .sidebar-yiji-title {
    color: var(--danger);
}

.sidebar-ji-box .sidebar-yiji-title i {
    font-size: 16px;
}

.sidebar-yiji-content {
    font-size: 13px;
    color: var(--text);
    line-height: 1.6;
}

/* 节日卡片 */
.jieri-sidebar-container {
    padding: 16px;
}

.sidebar-jieqi-current,
.sidebar-jieqi-next {
    margin-bottom: 16px;
}

.sidebar-jieqi-badge {
    padding: 18px;
    border-radius: 12px;
    border: 2px solid;
    transition: all 0.3s ease;
}

.sidebar-jieqi-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

.sidebar-jieqi-badge.current {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(76, 175, 80, 0.15) 100%);
    border-color: rgba(76, 175, 80, 0.3);
}

.sidebar-jieqi-badge.next {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.1) 0%, rgba(255, 152, 0, 0.15) 100%);
    border-color: rgba(255, 152, 0, 0.3);
}

.sidebar-jieqi-label {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-jieqi-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.sidebar-jieqi-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-jieqi-date {
    font-size: 15px;
    color: var(--text-light);
    font-weight: 600;
}

/* 本月节日 */
.sidebar-jieri-month {
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.06) 0%, rgba(85, 239, 196, 0.06) 100%);
    border-radius: 12px;
    padding: 16px;
    border: 2px solid rgba(0, 184, 148, 0.15);
}

.sidebar-jieri-month-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-jieri-month-title i {
    font-size: 16px;
}

/* 节日列表 */
.sidebar-jieri-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-jieri-list .jieri-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--background-light);
    border-radius: 8px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.sidebar-jieri-list .jieri-item:hover {
    background: rgba(0, 184, 148, 0.08);
    border-color: var(--primary-light);
    transform: translateX(4px);
}

.sidebar-jieri-list .jieri-item:last-child {
    margin-bottom: 0;
}

/* 节日图标 */
.sidebar-jieri-list .jieri-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 14px;
    flex-shrink: 0;
}

/* 节气图标 */
.sidebar-jieri-list .jieri-item.jieqi .jieri-icon {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.15), rgba(76, 175, 80, 0.25));
    color: #4CAF50;
}

/* 农历节日图标 */
.sidebar-jieri-list .jieri-item.lunar .jieri-icon {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.15), rgba(255, 152, 0, 0.25));
    color: #FF9800;
}

/* 公历节日图标 */
.sidebar-jieri-list .jieri-item.solar .jieri-icon {
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.15), rgba(0, 184, 148, 0.25));
    color: var(--primary);
}

.sidebar-jieri-list .jieri-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    flex: 1;
}

.sidebar-jieri-list .jieri-date {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
}

.no-jieri {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar-calendar-header {
        padding: 10px;
    }

    .sidebar-calendar-nav-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .sidebar-calendar-current {
        font-size: 15px;
    }

    .sidebar-calendar-days {
        gap: 4px;
    }

    .sidebar-calendar-day {
        font-size: 13px;
    }

    .sidebar-date-num {
        font-size: 36px;
    }

    .sidebar-jieqi-name {
        font-size: 20px;
    }

    .sidebar-yiji-section {
        grid-template-columns: 1fr;
    }
}

/* 响应式 - 手机 */
@media (max-width: 430px) {

    /* 搜索页 */
    .yixue4-search {
        padding: 20px 0;
    }

    .yixue4-search .search-form-section {
        padding: 30px 20px;
        border-radius: 16px;
    }

    .search-form-header {
        flex-direction: column;
        gap: 10px;
    }

    .search-form-header i {
        font-size: 30px;
    }

    .search-form-header h2 {
        font-size: 22px;
    }

    .search-input-wrapper input {
        padding: 15px 15px 15px 45px;
        font-size: 16px;
    }

    .search-form-large button {
        padding: 15px 30px;
    }

    .search-header h1 {
        font-size: 22px;
    }

    .search-result-card {
        flex-direction: column;
        padding: 20px;
    }

    .result-thumb {
        width: 100%;
        height: 180px;
    }

    .result-title {
        font-size: 17px;
    }

    .result-description {
        font-size: 14px;
    }

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

    .no-results-section {
        padding: 40px 15px;
    }

    .no-results-icon {
        width: 100px;
        height: 100px;
    }

    .no-results-icon i {
        font-size: 50px;
    }

    .no-results-section h2 {
        font-size: 24px;
    }

    .search-suggestions {
        padding: 20px;
    }

    .yixue4-search .hot-articles-grid {
        gap: 15px;
    }

    .yixue4-search .hot-article-card {
        padding: 20px;
    }

    /* 404页 */
    .yixue4-404 {
        padding: 20px 0;
    }

    .error-404-section {
        padding: 40px 20px;
        border-radius: 16px;
    }

    .decoration-leaf {
        font-size: 60px;
    }

    .error-icon {
        width: 80px;
        height: 80px;
    }

    .error-icon i {
        font-size: 40px;
    }

    .error-404-title {
        font-size: 80px;
    }

    .error-subtitle {
        font-size: 24px;
    }

    .error-desc {
        font-size: 15px;
    }

    .error-reasons {
        padding: 20px;
    }

    .error-actions {
        flex-direction: column;
        gap: 10px;
    }

    .error-actions .btn-primary,
    .error-actions .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 15px 30px;
    }

    .error-search-section {
        padding: 30px 20px;
    }

    .error-search-section h3 {
        font-size: 20px;
    }

    .error-search-section .search-form {
        flex-direction: column;
    }

    .error-search-section .search-form button {
        width: 100%;
        justify-content: center;
    }

    .yixue4-404 .error-hot-section .hot-articles-grid {
        grid-template-columns: 1fr;
    }
}