.page_col-main {
    width: 75%;
    padding-left: 40px;
}

/* 详情页 */

.row-news-detail {
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
}

.col-main {
    width: 75%;
    padding-right: 40px;
}

.col-sidebar {
    width: 25%;
}

.news-header {
    margin-bottom: 30px;
}

.news-title {
    font-size: 28px;
    color: #333;
    line-height: 1.4;
    margin-bottom: 20px;
    font-weight: 700;
}

.news-meta {
    font-size: 14px;
    color: #999;
    padding-bottom: 20px;
    border-bottom: 1px solid #ccc;
}

.news-meta span {
    margin-right: 20px;
}

.news-content {
    font-size: 16px;
    line-height: 40px;
    color: #333;
}

.news-cover {
    margin-bottom: 30px;
    text-align: center;
}

.news-cover img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.news-p {
    margin-bottom: 20px;
    text-align: justify;
}

.news-h2 {
    font-size: 22px;
    color: #333;
    margin: 30px 0 20px;
    font-weight: 700;
}

.news-img {
    margin: 30px 0;
    text-align: center;
}

.news-img img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.news-img-caption {
    font-size: 14px;
    color: #999;
    margin-top: 10px;
}

.news-list {
    margin: 20px 0 20px 20px;
}

.news-list li {
    margin-bottom: 10px;
    list-style-type: disc;
}

.news-table {
    margin: 30px 0;
    overflow-x: auto;
}

.news-table table {
    width: 100%;
    border-collapse: collapse;
}

.news-table th,
.news-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #eee;
}

.news-table th {
    background-color: #f5f5f5;
    font-weight: 700;
}

.news-nav {
    margin: 40px 0;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.prev-news a,
.next-news a {
    color: #666;
    text-decoration: none;
}

.prev-news a:hover,
.next-news a:hover {
    color: #182f74;
}

.related-news,
.hot-news,
.contact-box,
.partners-box {
    background-color: #f2f8ff;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 8px;
}

.related-title,
.hot-title,
.contact-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #182f74;
    font-weight: 700;
}

.related-list li,
.hot-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ccc;
}

.related-list li:last-child,
.hot-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.related-list a,
.hot-list a {
    color: #666;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.related-list a:hover,
.hot-list a:hover {
    color: #182f74;
    padding-left: 5px;
}

.hot-rank {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: #182f74;
    color: #fff;
    text-align: center;
    line-height: 20px;
    font-size: 12px;
    border-radius: 4px;
    margin-right: 10px;
}

.hot-list li:nth-child(1) .hot-rank,
.hot-list li:nth-child(2) .hot-rank {
    background-color: #ff6600;
}

.contact-info {
    text-align: center;
}

.contact-tel {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    text-align: left;
}

/* 响应式设计 */
@media only screen and (max-width: 1199px) {
    .row-news-detail {
        flex-direction: column;
    }

    .col-main,
    .col-sidebar {
        width: 100%;
        padding-right: 0;
    }

    .page_col-main {
        width: 100%;
        padding-left: 0;
    }

    .col-sidebar {
        margin-top: 0;
    }

    .related-news,
    .hot-news,
    .contact-box {
        margin-bottom: 20px;
    }

    .page2_contact-box {
        display: none;
    }
}

@media only screen and (max-width: 767px) {

    .row-news-detail {
        padding: 20px 0;
    }

    .news-title {
        font-size: 22px;
    }

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

    .news-meta span {
        margin-right: 10px;
    }

    .news-content {
        font-size: 14px;
    }

    .news-h2 {
        font-size: 18px;
    }

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

    .next-news {
        margin-top: 10px;
    }
}

/* Banner 样式 */
.common-banner {
    position: relative;
    width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.common-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.common-banner .banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.common-banner .banner-title {
    color: #fff;
    font-size: 36px;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    display: inline-block;
}

.common-banner .banner-title .title-decoration {
    display: block;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    animation: titleDecoration 2s ease-in-out infinite alternate;
}

@keyframes titleDecoration {
    0% {
        width: 60px;
        opacity: 0.8;
    }

    100% {
        width: 100px;
        opacity: 1;
    }
}

/* Banner 平板端自适应 */
@media only screen and (max-width: 1199px) {
    .common-banner {
        height: 300px;
    }

    .common-banner .banner-title {
        font-size: 30px;
    }
}

/* Banner 移动端自适应 */
@media only screen and (max-width: 767px) {
    .common-banner {
        height: 200px;
    }

    .common-banner .banner-title {
        font-size: 24px;
    }
}

/* 调整电话号码和图标并排显示 */
.index_header_tel {
    display: inline-block;
    float: left;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    color: #182f74;
    margin-left: 20px;
    line-height: inherit;
}

.index_header_tel img {
    margin-right: 8px;
    width: 16px;
    height: auto;
    display: inline-block;
}

.search_box {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    max-width: 550px;
    width: 100%;
    margin: 0 auto;
}

.search-form {
    display: flex;
    width: 100%;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.search-form:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.search-input {
    flex: 1;
    height: 50px !important;
    padding: 0 25px;
    font-size: 16px;
    color: #333;
    border: none;
    outline: none;
    background: #fff;
    transition: all 0.3s ease;
}

.search-input:focus {
    padding-left: 30px;
}

.search-input::placeholder {
    color: #999;
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-input:focus::placeholder {
    color: #ccc;
}

.search-button {
    height: 50px;
    padding: 0 30px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: #182f74;
    border: none;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.search-button:hover {
    background: #077ab6;
}

.search-button:active {
    transform: scale(0.95);
}

/* 搜索按钮波纹效果 */
.search-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.search-button:hover::after {
    width: 200px;
    height: 200px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .index_header_tel {
        font-size: 16px;
        margin-left: 0;
        text-align: center;
        float: left;
        line-height: 50px;
        padding-top: 4px;
        box-sizing: border-box;
    }
}


/* 默认隐藏移动端底部菜单 */
.wap_bottom {
    display: none;
}

.wap_bottom_height {
    display: none;
}

/* 移动端响应式样式 */
@media only screen and (max-width: 1199px) {

    /* 显示占位元素 */
    .wap_bottom_height {
        display: block;
        height: 60px;
    }

    /* 移动端底部菜单容器 */
    .wap_bottom {
        width: 100%;
        background: #2a2c43;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0;
        margin: 0;
        box-sizing: border-box;
    }

    /* 菜单项样式 */
    .wap_bottom .totop,
    .wap_bottom .wap_bottom_online,
    .wap_bottom .wap_bottom_phone {
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 16px;
        font-weight: bold;
    }

    /* 菜单项宽度分配 */
    .wap_bottom .totop {
        flex: 0 0 21.8%;
        background: #2a2c43;
        position: relative;
    }

    /* 为返回顶部添加右侧分隔线 */
    .wap_bottom .totop::after {
        content: '';
        position: absolute;
        right: 0;
        top: 0;
        height: 100%;
        width: 1px;
        background-color: rgba(255, 255, 255, 0.3);
    }

    .wap_bottom .wap_bottom_online {
        flex: 0 0 24.2%;
        background: #2a2c43;
        position: relative;
    }

    .wap_bottom .wap_bottom_phone {
        flex: 0 0 54%;
        background: #099bd2;
    }

    /* 链接样式 */
    .wap_bottom a {
        color: white;
        text-decoration: none;
        display: block;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        -webkit-tap-highlight-color: transparent;
        tap-highlight-color: transparent;
    }

    /* 为不同尺寸的移动设备优化 */
    @media only screen and (max-width: 767px) {

        .wap_bottom .totop,
        .wap_bottom .wap_bottom_online {
            font-size: 14px;
        }

        .wap_bottom .wap_bottom_phone {
            font-size: 16px;
        }
    }

    @media only screen and (max-width: 480px) {

        .wap_bottom .totop,
        .wap_bottom .wap_bottom_online {
            font-size: 12px;
        }

        .wap_bottom .wap_bottom_phone {
            font-size: 16px;
        }
    }

    /* 横屏显示优化 */
    @media only screen and (orientation: landscape) and (max-width: 1199px) {
        .wap_bottom {
            height: 50px;
        }

        .wap_bottom_height {
            height: 50px;
        }

        .wap_bottom .totop,
        .wap_bottom .wap_bottom_online,
        .wap_bottom .wap_bottom_phone {
            height: 50px;
            font-size: 16px;
        }
    }
}

/* 轮播指示器样式 */
.banner .slick-dots {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 10;
}

.banner .slick-dots li {
    display: inline-block;
    margin: 0 8px;
}

.banner .slick-dots li button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    text-indent: -9999px;
    cursor: pointer;
    transition: all 0.3s;
}

.banner .slick-dots li.slick-active button {
    background-color: #099bd2;
    width: 30px;
    border-radius: 6px;
}

/* 轮播箭头样式 */
.banner .slick-prev,
.banner .slick-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
}

.banner .slick-prev:hover,
.banner .slick-next:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.banner .slick-prev {
    left: 30px;
}

.banner .slick-next {
    right: 30px;
}

.banner .slick-prev:before,
.banner .slick-next:before {
    font-family: 'slick';
    font-size: 20px;
    line-height: 1;
    color: #fff;
    opacity: 0.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.banner .slick-prev:before {
    content: '←';
}

.banner .slick-next:before {
    content: '→';
}

/* 移动端适配 */
@media only screen and (max-width: 767px) {
    .banner .slick-dots {
        bottom: 15px;
    }

    .banner .slick-dots li {
        margin: 0 4px;
    }

    .banner .slick-dots li button {
        width: 10px;
        height: 10px;
    }

    .banner .slick-dots li.slick-active button {
        width: 24px;
        border-radius: 5px;
    }
}


/* 服务模块样式 */
.index_maina {
    width: 100%;
    margin-top: 30px;
}

/* 选项卡样式 */
.ul-taba_a {
    display: flex;
    width: 100%;
    max-width: 400px;
    margin: 0 auto 30px;
    list-style: none;
    padding: 0;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.ul-taba_a li {
    flex: 1;
    text-align: center;
    padding: 15px 0;
    background-color: #f8f9fa;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 500;
}

.ul-taba_a li:hover {
    background-color: #e9ecef;
    color: #333;
}

.ul-taba_a li.active {
    background-color: #182f74;
    color: white;
}

/* 内容区域样式 */
.tab_cont_a {
    display: none;
}

.tab_cont_a.active {
    display: block;
}

/* 服务列表样式 */
.tab_cont_a ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 服务项样式 */
.tab_cont_a li {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.tab_cont_a li:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.tab_cont_a .con {
    display: block;
    text-decoration: none;
    color: inherit;
}

.tab_cont_a .bg {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
}

.tab_cont_a h3 {
    padding: 15px 20px 0;
    margin: 0;
    font-size: 18px;
    color: #182f74;
    line-height: 1.4;
}

.tab_cont_a p {
    padding: 10px 20px 20px;
    margin: 0;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .tab_cont_a ul {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .row-a1 {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .tab_cont_a ul {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .tab_cont_a .bg {
        height: 150px;
    }

    .ul-taba_a {
        max-width: 300px;
    }

    .ul-taba_a li {
        padding: 12px 0;
        font-size: 14px;
    }

    .tab_cont_a h3 {
        padding: 12px 15px 0;
        font-size: 16px;
    }

    .tab_cont_a p {
        padding: 8px 15px 15px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .tab_cont_a ul {
        grid-template-columns: 1fr;
    }

    .tab_cont_a .bg {
        height: 180px;
    }
}

/* 面包屑导航样式 */
.breadcrumb {
    padding: 20px 0;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #eee;
}

.breadcrumb a {
    color: #666;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #182f74;
}

.breadcrumb img {
    width: 16px;
    height: auto;
    display: inline-block;
    position: relative;
    top: 2px;
    margin-right: 5px;
}

@media only screen and (max-width: 767px) {
    .breadcrumb {
        padding: 15px 0;
        font-size: 14px;
        color: #666;
        border-bottom: 1px solid #eee;
    }

    .breadcrumb a {
        color: #666;
        text-decoration: none;
    }

    .breadcrumb a:hover {
        color: #099bd2;
    }
}

/* 内容布局 */
.row-about {
    padding: 40px 0;
    display: flex;
    justify-content: space-between;
}

/* 章节样式 */
.about-section {
    margin-bottom: 60px;
}

.section-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid #182f74;
    font-weight: 700;
    text-align: center;
}

/* 公司简介 */
.about-content {
    font-size: 18px;
    line-height: 40px;
}

.about-cover {
    margin-bottom: 30px;
    text-align: center;
}

.about-cover img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.about-p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
    text-align: justify;
}

/* 发展历程 */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #099bd2;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 0;
    width: 14px;
    height: 14px;
    background-color: #099bd2;
    border-radius: 50%;
}

.timeline-year {
    font-size: 20px;
    color: #099bd2;
    font-weight: 700;
    margin-bottom: 10px;
}

.timeline-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.timeline-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    margin-bottom: 20px;
}

.culture-icon img {
    width: 60px;
    height: 60px;
}

.culture-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

.culture-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 核心团队 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.team-member {
    text-align: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-img {
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
}

.team-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s;
}

.team-member:hover .team-img img {
    transform: scale(1.1);
}

.team-name {
    font-size: 18px;
    color: #333;
    margin-bottom: 5px;
    font-weight: 700;
}

.team-position {
    font-size: 14px;
    color: #099bd2;
    margin-bottom: 15px;
}

.team-bio {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 侧边栏 */
.sidebar-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #182f74;
    font-weight: 700;
}

/* 企业荣誉 */
.honors-list li {
    margin-bottom: 20px;
}

.honors-list li:last-child {
    margin-bottom: 0;
}

.honor-img {
    margin-bottom: 10px;
    overflow: hidden;
    border-radius: 4px;
}

.honor-img img {
    width: 100%;
    height: auto;
    transition: all 0.3s;
}

.honors-list li:hover .honor-img img {
    transform: scale(1.05);
}

.honor-name {
    font-size: 14px;
    color: #333;
    line-height: 1.4;
}

/* 合作伙伴 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.partner-item {
    padding: 15px;
    background-color: #fff;
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s;
}

.partner-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.partner-item img {
    height: auto;
}

/* 联系我们 */
.contact-info {
    text-align: center;
}

.contact-tel,
.contact-email,
.contact-address {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.contact-btn {
    display: inline-block;
    width: 120px;
    height: 40px;
    background-color: #182f74;
    color: #fff;
    text-align: center;
    line-height: 40px;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s;
}

.contact-btn:hover {
    background-color: #000000;
}

/* 返回顶部按钮 */
.back-top {
    position: fixed;
    bottom: 50px;
    right: 50px;
    width: 50px;
    height: 50px;
    background-color: #099bd2;
    color: #fff;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s;
    z-index: 999;
}

.back-top.show {
    opacity: 1;
}

/* 侧边栏菜单样式 - 优化版 */
.sidebar-menu {
    background: #f2f8ff;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.sidebar-menu:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.menu-title {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #099bd2;
    font-weight: 700;
    position: relative;
}

.menu-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: #3498db;
}

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

.menu-item {
    margin-bottom: 8px;
    position: relative;
}

.menu-link {
    display: block;
    padding: 14px 20px;
    color: #FFF;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 16px;
    font-weight: 500;
    background-color: #182f74;
    border: 1px solid transparent;
}

.menu-link:hover {
    background: #000;
    color: white;
    padding-left: 25px;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(9, 155, 210, 0.3);
    border-color: #099bd2;
}

/* 子菜单样式 */
.submenu-container {
    margin: 8px 0;
}

.submenu-list {
    list-style: none;
    padding: 0;
    background-color: rgba(248, 249, 250, 0.8);
    border-radius: 8px;
    overflow: hidden;
}

.submenu-item {
    margin-bottom: 0;
    position: relative;
}

.submenu-item:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background-color: #e9ecef;
}

.submenu-link {
    display: block;
    padding: 6px 25px 6px 35px;
    color: #6c757d;
    text-decoration: none;
    border-radius: 0;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    background-color: transparent;
    position: relative;
}

.submenu-link::before {
    content: '>';
    position: absolute;
    left: 20px;
    color: #adb5bd;
    transition: all 0.3s ease;
}

.submenu-link:hover {
    background-color: #000;
    color: white;
    padding-left: 40px;
}

.submenu-link:hover::before {
    left: 25px;
    color: white;
}

/* 响应式优化 - 移动端汉堡菜单 */
.menu-toggle {
    display: none;
    background: #182f74;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    text-align: left;
    margin-bottom: 15px;
    position: relative;
    transition: background-color 0.3s ease;
}

.menu-toggle:hover {
    background: #099bd2;
}

.menu-toggle::after {
    content: '▼';
    position: absolute;
    right: 15px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.menu-toggle.active::after {
    transform: rotate(180deg);
}

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

    .menu-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .menu-link {
        padding: 12px 15px;
        font-size: 15px;
    }

    .submenu-link {
        padding: 10px 20px 10px 30px;
    }
}

@media only screen and (max-width: 1199px) {

    /* Banner 自适应 */
    .common-banner {
        height: 300px;
    }

    .banner-title {
        font-size: 30px;
    }

    /* 内容区域自适应 */
    .row-about {
        flex-direction: column;
    }

    .col-main,
    .col-sidebar {
        width: 100%;
        padding-right: 0;
    }

    .page_col-main {
        width: 100%;
        padding-left: 0;
    }

    .col-sidebar {
        margin-top: 0;
    }

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

@media only screen and (max-width: 767px) {

    /* 移动端菜单优化 */
    .menu-toggle {
        display: block;
    }

    .menu-list {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-out;
    }

    .menu-list.show {
        max-height: 2000px;
        transition: max-height 1s ease-in;
    }

    .menu-item {
        margin-bottom: 5px;
    }

    .menu-link {
        padding: 12px 15px;
        font-size: 14px;
        background-color: #182f74;
    }

    .menu-link:hover {
        padding-left: 20px;
        transform: translateY(-1px);
    }

    .submenu-list {
        background-color: rgba(248, 249, 250, 0.95);
    }

    .submenu-link {
        padding: 10px 15px 10px 25px;
        font-size: 13px;
    }

    .submenu-link:hover {
        padding-left: 30px;
    }

    /* Banner 移动端自适应 */
    .common-banner {
        height: 200px;
    }

    .banner-title {
        font-size: 24px;
    }

    .row-about {
        padding: 20px 0;
    }

    .section-title {
        font-size: 20px;
    }

    .about-p {
        font-size: 14px;
    }

    .timeline-year {
        font-size: 18px;
    }

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

    .timeline-desc {
        font-size: 14px;
    }

    .culture-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .back-top {
        bottom: 30px;
        right: 30px;
        width: 40px;
        height: 40px;
        line-height: 40px;
    }
}

/* 列表页特定样式 */
.page_news .list-container {
    margin-top: 30px;
}

.page_news .ul-list {
    overflow: hidden;
    list-style: none;
    padding-left: 0;
}

.page_news .list-item {
    float: left;
    width: 100%;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 30px;
}

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

.page_news .list-link {
    display: block;
    transition: all 0.3s ease;
}

.page_news .list-link:hover {
    transform: translateY(-5px);
}

.page_news .list-img {
    float: left;
    margin-right: 30px;
    height: 200px;
    overflow: hidden;
}

.page_news .list-img img {
    width: 100%;
    height: 100%;
    transition: all 0.3s ease;
    object-fit: cover;
}

.page_news .list-link:hover .list-img img {
    transform: scale(1.05);
}

.page_news .list-content {
    overflow: hidden;
}

.page_news .list-title {
    font-size: 22px;
    color: #000;
    margin-bottom: 15px;
    line-height: 1.4;
}

.page_news .list-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.page_news .list-info {
    overflow: hidden;
    font-size: 14px;
    color: #999;
}

.page_news .list-date {
    float: left;
}

.page_news .list-views {
    float: right;
}

@media only screen and (max-width: 767px) {
    .page_news .list-img {
        float: none;
        width: 100%;
        margin-right: 0;
        margin-bottom: 20px;
        height: auto;
    }

    .page_news .list-title {
        font-size: 18px;
    }

    .page_news .list-desc {
        font-size: 14px;
    }
}

/* 网格布局列表样式 */
.page_case .list-container.grid {
    margin-top: 30px;
}

.page_case .list-container.grid .ul-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding-left: 0;
    margin: 0 -15px;
}

.page_case .list-container.grid .list-item {
    width: 25%;
    padding: 0 15px;
    margin-bottom: 30px;
    border-bottom: none;
    float: none;
}

.page_case .list-container.grid .list-link {
    display: block;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #eee;
    padding: 15px;
}

.page_case .list-container.grid .list-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.page_case .list-container.grid .list-img {
    width: 100%;
    padding-bottom: 100%;
    overflow: hidden;
    margin-bottom: 15px;
    position: relative;
    float: none;
    height: auto;
    margin-right: 0;
}

.page_case .list-container.grid .list-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: all 0.3s ease;
    object-fit: cover;
}

.page_case .list-container.grid .list-link:hover .list-img img {
    transform: scale(1.05);
}

.page_case .list-container.grid .list-content {
    overflow: hidden;
    text-align: center;
}

.page_case .list-container.grid .list-title {
    font-size: 16px;
    color: #000;
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
}

@media only screen and (max-width: 767px) {
    .page_case .list-container.grid .list-item {
        width: 50%;
    }

    .page_case .list-container.grid .list-title {
        font-size: 14px;
    }
}

.twomenu {
    display: inline-block;
    float: left;
    line-height: 84px;
}

.twomenu a:hover {
    text-decoration: underline;
}

@media only screen and (max-width:1199px) {
    .twomenu {
        display: block;
        float: none;
        text-align: center;
    }
}

.channel_into {
    background-color: #ededed;
    padding: 20px 25px;
    margin: 30px 0;
    border-radius: 3px;
    line-height: 1.8;
    font-size: 21px;
    color: #333;
    text-align: justify;
}