:root {
    --primary-color: #03A9F4;
    --accent-color: #3498db;
    --text-light: #ecf0f1;
    --bg-light: #f8f9fa
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI',system-ui,sans-serif;
    list-style-type: none
}

header {
    background-color: var(--primary-color);
    padding: 15px 0;
    position: relative
}

.header-container {
    max-width: 1200px;
    height: auto;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 0 20px
}

.header-container a{text-decoration: none; font-weight:bold;}

.site-name {
    color: var(--text-light);
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 300;
    margin: 10px 0
}

.nav-menu {
    display: flex;
    gap: 15px;
    margin-left: auto;
    transition: all 0.3s ease
}

.nav-item {
    color: var(--text-light);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 1rem;
    white-space: nowrap;
    transition: all 0.3s ease
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.8rem;
    cursor: pointer;
    margin-left: auto
}

main,.box {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px
}

.row-first,.row-second {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px
}

.col-3,.col-4,.main-content,.sidebar {
    width: 100% !important;
    padding: 15px
}

footer {
    background-color: var(--primary-color);
    padding: 30px 0
}

.footer-links {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0 15px
}

@media (max-width: 768px) {
    .nav-menu {
        display:none;
        width: 100%;
        flex-direction: column;
        background: var(--primary-color);
        margin-top: 10px
    }

    .nav-menu.active {
        display: flex
    }

    .nav-item {
        padding: 12px;
        font-size: 1.1rem
    }

    .hamburger {
        display: block
    }

    .header-container {
        padding: 0 15px
    }
}

@media (min-width: 769px) {
    .row-first {
        flex-direction:row;
        margin-bottom: 30px
    }

    .col-3 {
        flex: 3
    }

    .col-4 {
        flex: 4
    }

    .row-second {
        flex-direction: row
    }

    .main-content {
        flex: 2
    }

    .sidebar {
        flex: 1
    }

    .nav-item:hover {
        background-color: var(--accent-color);
        transform: translateY(-2px)
    }
}

.box-shadow {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1)
}

.bg-section {
}

.sub-section {
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden
}

.header {
    padding: 12px 20px;
    border-bottom: 1px solid #eee
}

.title {
    margin: 0;
    font-size: 16px;
    color: #333
}

.row-first .content {
    height: 370px
}

.content {
    padding: 10px 20px 0px;
    overflow-y: auto
}

.article-list {
    list-style: none;
    margin: 0;
    padding: 0
}

.article-item {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f5f5f5
}

.article-item .article-title {
    color: #535353;
    font-weight: bold;
    line-height: 20px;
    height: 20px;
    overflow: hidden
}

.article-item:last-child {
    border-bottom: none
}

.article-title {
    display: block;
    font-size: 14px;
    color: #333;
    text-decoration: none;
    margin-bottom: 6px
}

.article-title:hover {
    color: #1890ff
}

.tag-group {
    margin-bottom: 4px;
    height: 44px
}

.tag-group a {
    color: #fff;
    background: #607D8B
}

.tag {
    display: inline-block;
    font-size: 12px;
    color: #666;
    background: #f5f5f5;
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 8px;
    text-decoration: none
}

.tag:hover {
    background: #e6f7ff;
    color: #1890ff
}

.publish-time {
    display: block;
    font-size: 12px;
    color: #999
}

.update_list {
    margin-bottom: 20px;
    overflow: hidden
}

.update_list>li {
    padding: 0px 0px 20px 0px;
    border: 0px;
    margin: 0px 0px 10px 0;
    list-style-type: none;
    border-bottom: 1px dashed #ccc;
    overflow: hidden
}

.update_list>li:hover {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border-bottom: none
}

.update_list>li>h3.blogtitle {
}

.update_list>li>h3.blogtitle>a {
    display: block;
    height: 40px;
    line-height: 40px;
    font-size: 20px;
    color: #2c3e50;
    text-decoration: none;
    overflow: hidden
}

.update_list>li>h3.blogtitle>a:hover {
    text-decoration: underline
}

.update_list>li>h3.blogtitle>.post-tags {
    overflow: hidden;
    margin-bottom: 10px;
    margin-top: 10px
}

.update_list>li>h3.blogtitle>.post-tags>a {
    display: block;
    float: left;
    font-size: 12px;
    font-weight: 100;
    color: #fff;
    background: #e5e5e5;
    margin-right: 10px;
    padding: 4px 10px
}

.update_list>li>div.blogtext {
    margin: 5px 0px 20px;
    height: 84px;
    overflow: hidden
}

.update_list>li>div.blogtext>p {
    color: #656565;
    font-size: 16px;
    line-height: 28px
}

.update_list>li>p.bloginfo {
}

.update_list>li>p.bloginfo>span {
    display: block;
    float: left
}

.update_list>li>p.bloginfo>span>time {
}

.update_list>li>p.bloginfo>span>a {
    color: #607d8b
}

.update_list>li>p.bloginfo>span:nth-child(2) {
    width: 20%
}

.update_list>li>p.bloginfo>span:nth-child(3) {
    width: 50%
}

.update_list>li>p.bloginfo>span:nth-child(4) {
    width: 30%;
    text-align: left
}

.pagination {
}

.pagination>h2 {
    font-size: 15px;
    color: #ccc;
    border-bottom: 1px solid #ccc;
    width: max-content;
    margin-top: 5px;
    font-weight: 100;
    margin-bottom: 5px
}

.pagination>.nav-links {
    height: 38px;
    line-height: 38px;
    overflow: hidden
}

.pagination>.nav-links>span,.pagination>.nav-links>a {
    display: block;
    float: left;
    width: max-content;
    padding: 0px 20px;
    font-weight: bold
}

.pagination>.nav-links>span,.pagination>.nav-links>a:hover {
    background: #607d8b;
    color: #fff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    line-height: 38px;
    height: 38px
}

.pagination>.nav-links>a {
    text-decoration: none;
    color: #607d8b
}

.box {
}

.box>.endnav {
    width: max-content;
    margin: 0px auto
}

.box>.endnav>p.text-center.mip-footer {
    color: #fff
}

.box>.endnav>p>a {
    color: #fff
}

.sidebar1,.sidebar2,.sidebar3,.sidebar4,.sidebar5 {
    margin-bottom: 10px
}

.sidebar1>.content,.sidebar2>.content,.sidebar3>.content,.sidebar4>.content,.sidebar5>.content {
    padding-bottom: 20px
}

.sidebar2 {
}

.sidebar2 a {
    display: block;
    width: 50%;
    height: 28px;
    line-height: 28px
}

.sidebar2 a:nth-child(1n) {
    float: left
}

.sidebar2 a:nth-child(2n) {
    float: right
}

.sidebar2 a {
    color: #939393
}

.sidebar3 {
}

.sidebar3 a {
    display: block;
    width: 50%;
    height: 28px;
    line-height: 28px
}

.sidebar3 a:nth-child(1n) {
    float: left
}

.sidebar3 a:nth-child(2n) {
    float: right
}

.sidebar3 a {
    color: #939393
}

.sidebar4 {
}

.sidebar4 li {
    display: block;
    width: 50%;
    height: 28px;
    line-height: 28px
}

.sidebar4 li:nth-child(1n) {
    float: left
}

.sidebar4 li:nth-child(2n) {
    float: right
}

.sidebar4 li * {
    color: #939393
}

.sidebar4 li a {
}

.sidebar5 li.archive-item {
    display: block;
    line-height: 28px
}

.sidebar5 li.archive-item * {
    color: #939393
}

.sidebar5 li.archive-item a {
    color: #939393
}

.sidebar5 li:nth-child(1n) {
    float: left
}

.sidebar5 li:nth-child(2n) {
    float: right
}

.single {
}

.single .article-header {
    height: max-content;
    padding: 20px 0px;
    margin: 0px auto;
    text-align: center;
    border-bottom: 4px solid #2c3e50;
    margin-bottom: 20px
}

.single .article-header h1.article-title {
    font-size: 24px
}

.single .article-header .article-meta {
}

.single .article-header .article-meta * {
    font-size: 14px;
    color: #999;
    padding: 0px 10px
}

.single .article-header .article-meta .author {
}

.single .article-header .article-meta .publish-date {
}

.single .article-header .article-meta .views {
}

.single .article-content {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 20px;
    overflow: hidden
}

.single .article-content * {
    line-height: 28px;
    margin-bottom: 20px;
    font-size: 1rem;
}

.single .article-content p {
}

.single .article-content a {
}

.single .article-footer {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    margin-top: 20px;
    padding: 20px
}

.single .article-footer .post-categories {
}

.single .article-footer .post-categories span {
}

.single .article-footer .post-categories a {
    color: #607d8b
}

.single .article-footer .post-tags {
    overflow: hidden;
    margin-top: 10px
}

.single .article-footer .post-tags span {
}

.single .article-footer .post-tags a {
    color: #969da7;
    display: inline-block;
    float: none;
    text-decoration: underline
}