* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a3c8f;
    --primary-light: #2a5cb8;
    --primary-dark: #153075;
    --secondary-color: #e83a30;
    --accent-color: #00a8ff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.container1 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 顶部信息栏 */
.top_bar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: 12px 0;
    font-size: 14px;
}

.top_bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top_bar_left {
    display: flex;
    align-items: center;
    gap: 24px;
    color: rgba(255, 255, 255, 0.9);
}

.top_bar_left span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top_bar_left span i {
    font-size: 14px;
}

.top_bar_right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top_bar_right a {
    color: rgba(255, 255, 255, 0.9);
    padding: 6px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.top_bar_right a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* Logo区域 */
.header {
    background: var(--bg-white);
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo_area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    height: 56px;
    width: auto;
    object-fit: contain;
}
.logo1 {
    width: auto;
    object-fit: contain;
}

.header_right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.header_tel {
    text-align: right;
}

.header_tel span {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.header_tel strong {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 1px;
}

/* 导航栏 */
.nav {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav .container {
    display: flex;
    justify-content: center;
}

.navbar-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-nav > li {
    position: relative;
}

.navbar-nav > li > a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    padding: 20px 32px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.navbar-nav > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: #fff;
    transition: width 0.3s ease;
}

.navbar-nav > li > a:hover::after,
.navbar-nav > li.active > a::after {
    width: 40px;
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* 下拉菜单 */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
    z-index: 1000;
    border-top: 3px solid var(--secondary-color);
}

.navbar-nav > li:hover .dropdown-menu {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    padding: 14px 24px;
    color: var(--text-primary);
    font-size: 15px;
    border-bottom: 1px solid #f5f5f5;
    transition: all 0.3s ease;
}

.dropdown-menu li:last-child a {
    border-bottom: none;
}

.dropdown-menu li a::before {
    content: '▶';
    color: var(--text-light);
    margin-right: 10px;
    font-size: 10px;
    transition: all 0.3s ease;
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 30px;
}

.dropdown-menu li a:hover::before {
    color: var(--primary-color);
    transform: translateX(3px);
}

/* 轮播图 */
.banner {
    width: 100%;
    max-height: 520px;
    overflow: hidden;
    position: relative;
}

.banner_slider {
    position: relative;
    width: 100%;
    height: 520px;
}

.banner_item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.banner_item.active {
    opacity: 1;
}

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

.banner_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 60, 143, 0.7) 0%, rgba(42, 92, 184, 0.5) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner_content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 10;
    width: 90%;
    max-width: 800px;
}

.banner_content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.banner_content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.3s;
    animation-fill-mode: both;
}

.banner_btn {
    display: inline-block;
    padding: 14px 40px;
    background: var(--secondary-color);
    color: #fff;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.6s;
    animation-fill-mode: both;
}

.banner_btn:hover {
    background: #d62828;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(232, 58, 48, 0.4);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner_dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.banner_dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner_dot.active {
    width: 30px;
    border-radius: 6px;
    background: #fff;
}

/* 首页主体内容 */
.home_main {
    padding: 70px 0;
}

/* 通用区块标题 */
.section_header {
    text-align: center;
    margin-bottom: 60px;
}

.section_header h2 {
    font-size: 34px;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
    font-weight: 600;
}

.section_header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section_header p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 服务范围 */
.service_section {
    padding: 60px 0;
    background: var(--bg-white);
}

.service_list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service_item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.service_item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service_item_img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf0 100%);
}

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

.service_item:hover .service_item_img img {
    transform: scale(1.1);
}

.service_item_info {
    padding: 20px;
    text-align: center;
}

.service_item_info h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 600;
}

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

/* 关于我们 */
.about_section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, #eef2f7 100%);
}

.about_content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.about_img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 400px;
}

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

.about_text h3 {
    font-size: 26px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.about_text p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
    text-align: justify;
}

.about_stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat_item {
    text-align: center;
    padding: 20px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.stat_item .stat_num {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat_item .stat_label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 案例展示 */
.case_section {
    padding: 60px 0;
    background: var(--bg-white);
}

.case_list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case_item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    height: 220px;
    cursor: pointer;
    transition: all 0.4s ease;
}

.case_item:hover {
    transform: translateY(-5px);
}

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

.case_item:hover img {
    transform: scale(1.15);
}

.case_overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case_item:hover .case_overlay {
    opacity: 1;
}

.case_overlay h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 5px;
}

.case_overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
}

/* 新闻资讯 */
.news_section {
    padding: 60px 0;
    background: var(--bg-light);
}

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

.news_item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.news_item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.news_item_img {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

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

.news_item:hover .news_item_img img {
    transform: scale(1.08);
}

.news_item_info {
    padding: 20px;
}

.news_item_info h3 {
    font-size: 17px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_item_info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_item_meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 60px 0 30px;
}

.footer_top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer_logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer_logo img {
    height: 48px;
}

.footer_logo_text {
    font-size: 18px;
    font-weight: 600;
}

.footer_desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer_contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.footer_title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.footer_links li {
    margin-bottom: 12px;
}

.footer_links li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer_links li a:hover {
    color: #fff;
    padding-left: 8px;
}

.footer_bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 40px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

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

/* 页面内容样式 */
.page_content {
    padding: 40px 0;
    background: var(--bg-light);
}

.page_header {
    background: var(--bg-white);
    padding: 30px 24px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.page_header h1 {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.page_header p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.page_header .breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
}

.page_title {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 600;
}

.breadcrumb {
    display: flex;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
}

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

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

.breadcrumb span:last-child {
    color: var(--primary-color);
}

.content_main {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 40px;
}

.content_box {
    margin-bottom: 30px;
}

.content_box1 {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    width:1200px;
}

.content_box h2 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
    padding-left: 12px;
    border-left: 4px solid var(--secondary-color);
}

.article_body {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

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

.article_body img {
    max-width: 100%;
    margin: 20px 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* 服务详情页 */
.service_detail_header {
    text-align: center;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.service_detail_header h1 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.service_detail_header p {
    font-size: 16px;
    color: var(--text-secondary);
}

.service_detail_img {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

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

.service_detail_content {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
}

.service_detail_content h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin: 25px 0 15px;
    font-weight: 600;
}

.service_detail_content ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.service_detail_content ul li {
    list-style: disc;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* 服务项目页面 */
.service_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

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

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

.pagination a.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.cert_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.cert_item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
}

.cert_item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.cert_img {
    /*height: 220px;*/
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
}

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

.cert_info {
    padding: 15px;
    text-align: center;
    background: #fff;
}

.cert_info h3 {
    font-size: 14px;
    color: #333;
}

/* 联系我们页面 */
.contact_info_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.contact_info_item {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.contact_info_item:hover {
    background: var(--primary-color);
    color: #fff;
}

.contact_info_item:hover .contact_icon {
    background: rgba(255, 255, 255, 0.2);
}

.contact_info_item:hover h4,
.contact_info_item:hover p {
    color: #fff;
}

.contact_icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: rgba(26, 60, 143, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
}

.contact_info_item h4 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 600;
}

.contact_info_item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 资质荣誉页面 */
.honor_tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.honor_tab {
    padding: 12px 30px;
    font-size: 16px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.honor_tab.active {
    background: var(--primary-color);
    color: #fff;
}

.honor_list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.honor_item {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.honor_item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.honor_img {
    width: 100%;
    height: 180px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.honor_img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 10px;
}

.honor_item h4 {
    font-size: 15px;
    color: var(--primary-color);
    font-weight: 500;
}

/* 首页关于我们区域 */
.about_wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about_content h2 {
    font-size: 30px;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.about_content h2 span {
    font-size: 14px;
    color: var(--text-light);
    font-weight: normal;
    margin-left: 10px;
}

.about_content .subtitle {
    font-size: 16px;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.about_content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
    text-align: justify;
}

.about_more {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.about_more:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 60, 143, 0.3);
}

/* 公司业绩区域 */
.achievement_section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.achievement_section .section_header h2,
.achievement_section .section_header p {
    color: #fff;
}

.achievement_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.achievement_item {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.achievement_item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.achievement_icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.achievement_number {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.achievement_label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

/* 案例展示区域 */
.cases_section {
    padding: 60px 0;
    background: var(--bg-white);
}

.cases_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case_card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.case_card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case_img {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

.case_card:hover .case_img img {
    transform: scale(1.1);
}

.case_info {
    padding: 20px;
}

.case_info h3 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 600;
}

.case_info p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 公司环境区域 */
.environment_section {
    padding: 60px 0;
    background: var(--bg-light);
}

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

/* 选项卡 */
.tabs {
    margin-bottom: 30px;
}

.tab_nav {
    display: flex;
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 30px;
}

.tab_nav a {
    padding: 15px 30px;
    color: #666;
    font-size: 16px;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s ease;
}

.tab_nav a:hover,
.tab_nav a.active {
    color: #1a3c8f;
    border-bottom-color: #1a3c8f;
}

.tab_content {
    display: none;
}

.tab_content.active {
    display: block;
}

/* 公司环境区域 */
.environment_section {
    padding: 60px 0;
    background: var(--bg-light);
}

.env_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.env_item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.env_item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.env_img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.env_item:hover .env_img img {
    transform: scale(1.1);
}

.env_info {
    padding: 20px;
    text-align: center;
}

.env_info h3 {
    font-size: 17px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 600;
}

.env_info p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 新闻资讯区域 */
.news_section {
    padding: 60px 0;
    background: var(--bg-white);
}

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

.news_card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.news_card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.news_img {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

.news_card:hover .news_img img {
    transform: scale(1.08);
}

.news_content {
    padding: 20px;
}

.news_date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.news_content h3 {
    font-size: 17px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_content h3 a {
    color: var(--primary-color);
}

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

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

.news_item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.news_item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.news_item_img {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

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

.news_item:hover .news_item_img img {
    transform: scale(1.08);
}

.news_item_info {
    padding: 20px;
}

.news_item_info h3 {
    font-size: 17px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_item_info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news_item_meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

/* 关于我们页面样式 */
.main_content {
    padding: 40px 0;
    background: var(--bg-light);
}

.main_content .container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}
.main_content .container1 {
    display: ;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

.content_sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar_card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.sidebar_title {
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.sidebar_menu {
    padding: 10px 0;
}

.sidebar_menu li {
    margin: 0;
}

.sidebar_menu li a {
    display: block;
    padding: 14px 20px;
    color: var(--text-secondary);
    font-size: 15px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.sidebar_menu li a:hover,
.sidebar_menu li a.active {
    background: var(--bg-light);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 25px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .service_list,
    .case_list,
    .news_list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service_grid,
    .honor_list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact_info_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer_top {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about_wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .achievement_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases_grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .environment_section .cases_grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .top_bar .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-nav {
        flex-direction: column;
    }
    
    .navbar-nav > li > a {
        padding: 15px 20px;
        justify-content: center;
    }
    
    .banner_content h1 {
        font-size: 28px;
    }
    
    .banner_content p {
        font-size: 16px;
    }
    
    .service_list,
    .case_list,
    .news_list,
    .service_grid,
    .honor_list,
    .contact_info_grid,
    .footer_top {
        grid-template-columns: 1fr;
    }
    
    .about_content {
        grid-template-columns: 1fr;
    }
    
    .about_stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content_main {
        padding: 20px;
    }
    
    .section_header h2 {
        font-size: 26px;
    }
    
    .page_title {
        font-size: 20px;
    }
    
    .main_content .container {
        grid-template-columns: 1fr;
    }
    
    .content_sidebar {
        position: static;
    }
}