:root {
                 /* 默认主题：浅蓝 */
                 --primary-color: #1e88e5;
                 --secondary-color: #0d47a1;
                 --accent-color: #ff6d00;
                 --text-color: #333;
                 --light-bg: #f8f9fa;
                 --dark-bg: #212529;
                 --border-color: #e0e0e0;
                 --transition: all 0.3s ease;
                 
                 /* 主题颜色预设 */
                 --theme-lightblue-primary: #1e88e5;
                 --theme-lightblue-secondary: #0d47a1;
                 
                 --theme-businessgreen-primary: #2e7d32;
                 --theme-businessgreen-secondary: #1b5e20;
                 
                 --theme-elegantpurple-primary: #7b1fa2;
                 --theme-elegantpurple-secondary: #4a148c;
                 
                 --theme-industrialred-primary: #d32f2f;
                 --theme-industrialred-secondary: #b71c1c;
             }
             
             * {
                 margin: 0;
                 padding: 0;
                 box-sizing: border-box;
                 font-family: "宋体", "SimSun", serif;
             }
             
             body {
                 color: var(--text-color);
                 line-height: 1.6;
                 background-color: #fff;
                 overflow-x: hidden;
             }
             
             .container {
                 max-width: 1600px;
                 margin: 0 auto;
                 padding: 0 20px;
             }
             
             /* 分割线样式 */
             .section-divider {
                 height: 1px;
                 background: linear-gradient(to right, transparent, var(--primary-color), transparent);
                 margin: 60px 0;
                 border: none;
             }
             
             /* 顶部电话图标样式 */
             .header-phone {
                 position: relative;
                 width: 40px;
                 height: 40px;
                 border-radius: 50%;
                 display: flex;
                 align-items: center;
                 justify-content: center;
                 box-shadow: 0 4px 15px rgba(0,0,0,0.2);
                 cursor: pointer;
                 transition: var(--transition);
                 z-index: 10;
             }
             
             .header-phone:hover {
                 transform: scale(1.1);
                 box-shadow: 0 6px 20px rgba(0,0,0,0.3);
             }
             
             .header-phone i {
                 color: white;
                 font-size: 24px;
             }
             
             .phone-tooltip {
                 position: absolute;
                 right: 25px;
      			margin-top: 20px;
                 background-color: white;
                 color: var(--secondary-color);
                 padding: 10px 20px;
                 border-radius: 30px;
                 box-shadow: 0 3px 10px rgba(0,0,0,0.2);
                 font-weight: bold;
                 white-space: nowrap;
             }
             
             .header-phone:hover .phone-tooltip {
                 display: block;
             }
             
             @media (max-width: 768px) {
                 .header-phone {
                     width: 50px;
                     height: 50px;
                 }
                 
                 .header-phone i {
                     font-size: 20px;
                 }
             }
             
             /* 头部样式 - 新增滚动隐藏/悬停显示逻辑 */
             header {
                 background-color: #fff;
                 box-shadow: 0 2px 15px rgba(0,0,0,0.1);
                 position: sticky;
                 top: 0;
                 z-index: 1000;
                 width: 100%;
                 transition: transform 0.3s ease, opacity 0.3s ease;
             }
             
             /* 桌面端滚动隐藏导航栏 */
             @media (min-width: 769px) {
                 header.hidden {
                     transform: translateY(-100%);
                     opacity: 0;
                 }
                 header:hover {
                     transform: translateY(0);
                     opacity: 1;
                 }
             }
             
             /* 移动端导航栏始终显示 */
             @media (max-width: 768px) {
                 header {
                     transform: translateY(0) !important;
                     opacity: 1 !important;
                 }
             }
             
             .header-top {
                 display: flex;
                 justify-content: space-between;
                 align-items: center;
                 padding: 15px 0;
                 position: relative;
             }
             
             /* 导航背景图片 - 修复：补充position:absolute，修正定位 */
             .header-bg888 img {
                 position: absolute; 
                 height: 100px;
                 top: 0;
                 margin-left: 37%;
                 opacity: 0.4;
                 z-index: 1;
      			
             }
             
             .header-content {
                 position: relative;
                 z-index: 2;
                 display: flex;
                 justify-content: space-between;
                 align-items: center;
                 width: 100%;
             }
             
             .logo {
                 display: flex;
                 align-items: center;
             }
             
             .logo img {
                 height: 100px;
                 margin-right: 15px;
             }
             
             .logo-text {
                 font-size: 38px;
                 font-weight: 700;
                 color: var(--primary-color);
             }
             
             /* 右侧工具栏（主题切换+电话图标） */
             .header-right {
                 display: flex;
                 align-items: center;
                 gap: 60px;
             }
             
             /* 主题切换按钮样式 */
             .theme-switcher {
                 display: flex;
                 gap: 7px;
      		}
             
             .theme-btn {
                 width: 26px;
                 height: 26px;
                 border-radius: 50%;
                 border: 2px solid #e0e0e0;
                 cursor: pointer;
                 transition: var(--transition);
                 opacity: 0.7;
             }
             
             .theme-btn:hover {
                 transform: scale(1.1);
                 opacity: 1;
             }
             
             .theme-btn.active {
                 border-color: var(--primary-color);
                 opacity: 1;
                 box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.3);
             }
             
             .theme-lightblue {
                 background-color: var(--theme-lightblue-primary);
             }
             
             .theme-businessgreen {
                 background-color: var(--theme-businessgreen-primary);
             }
             
             .theme-elegantpurple {
                 background-color: var(--theme-elegantpurple-primary);
             }
             
             .theme-industrialred {
                 background-color: var(--theme-industrialred-primary);
             }
             
             /* 分割线 */
             .fengexian {
                 height: 2px;
                 background: linear-gradient(to right, transparent, var(--primary-color), transparent);
                 border: none;
             }
             
             /* 导航菜单样式 - 修复：删除冗余样式定义 */
             .nav-toggle {
                 display: none;
                 background: none;
                 border: none;
                 color: var(--dark-bg);
                 font-size: 24px;
                 cursor: pointer;
             }
             
             .nav-menu {
                 display: flex;
                 justify-content: center;
                 list-style: none;
                 padding: 0;
      			padding-top: 30px;
                 position: relative;
                 z-index: 2;
                 width: 100%;
                 margin: 0;
             }
             
             .nav-menu li {
                 position: relative;
             }
             
             .nav-menu li a {
                 display: block;
                 color: black;
                 text-align: center;
                 padding: 18px 30px;
                 text-decoration: none;
                 font-size: 18px;
                 transition: var(--transition);
             }
             
             .nav-menu li a:hover {
                 background-color: var(--primary-color);
                 color: white;
             }
             
             /* 顶部导航栏当前选中项样式 */
             .nav-menu li a.active {
                 background-color: var(--secondary-color);
                 color: white;
                 clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
             }
             
             /* Banner轮播样式 */
             .banner {
                 height: 600px;
                 position: relative;
                 overflow: hidden;
                 margin-top: 10px;
             }
             
             .banner-slider {
                 display: flex;
                 width: 300%;
                 height: 100%;
                 transition: transform 0.5s ease;
             }
             
             .banner-slide {
                 width: 100%;
                 height: 100%;
                 display: flex;
                 align-items: center;
                 justify-content: center;
                 color: white;
                 text-align: center;
                 background-size: cover;
                 background-position: center;
                 background-repeat: no-repeat;
             }
             
             /* 轮播图片设置 */
             .slide1 {
                 background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/style-demo8/img/banner4.jpg') center/cover;
             }
             
             .slide2 {
                 background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/style-demo8/img/banner2.jpg') center/cover;
             }
             
             .slide3 {
                 background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('/style-demo8/img/banner1.jpg') center/cover;
             }
             
             .banner-content {
                 max-width: 800px;
                 padding: 0 20px;
                 z-index: 2;
             }
             
             .banner h1 {
                 font-size: 48px;
                 margin-bottom: 20px;
                 text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
             }
             
             .banner p {
                 font-size: 20px;
                 margin-bottom: 30px;
             }
             
             /* 轮播控制按钮 */
             .banner-control {
                 position: absolute;
                 top: 50%;
                 transform: translateY(-50%);
                 width: 50px;
                 height: 50px;
                 background-color: rgba(255,255,255,0.3);
                 border-radius: 50%;
                 display: flex;
                 align-items: center;
                 justify-content: center;
                 color: white;
                 font-size: 24px;
                 cursor: pointer;
                 transition: var(--transition);
                 z-index: 3;
             }
             
             .banner-control:hover {
                 background-color: rgba(255,255,255,0.6);
             }
             
             .banner-prev {
                 left: 20px;
             }
             
             .banner-next {
                 right: 20px;
             }
             
             /* 轮播指示器 */
             .banner-indicators {
                 position: absolute;
                 bottom: 30px;
                 left: 50%;
                 transform: translateX(-50%);
                 display: flex;
                 gap: 15px;
                 z-index: 3;
             }
             
             .indicator {
                 width: 15px;
                 height: 15px;
                 border-radius: 50%;
                 background-color: rgba(255,255,255,0.5);
                 cursor: pointer;
                 transition: var(--transition);
             }
             
             .indicator.active {
                 background-color: white;
                 transform: scale(1.2);
             }
             
             .btn {
                 display: inline-block;
                 background-color: var(--accent-color);
                 color: white;
                 padding: 12px 30px;
                 border-radius: 30px;
                 text-decoration: none;
                 font-weight: bold;
                 transition: var(--transition);
             }
             
             .btn:hover {
                 background-color: #e65100;
                 transform: translateY(-3px);
                 box-shadow: 0 5px 15px rgba(0,0,0,0.2);
             }
             
             /* 标题容器样式 - 中英文并排 */
             .title-container {
                 display: flex;
                 /* justify-content: space-between; */
				 justify-content: center;
                 align-items: baseline;
                 margin-bottom: 20px;
             }
             
             .section-title {
                 font-size: 36px;
                 color: var(--secondary-color);
                 margin: 0;
             }
             
             .section-title a {
                 background-color: aliceblue;
                 clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
                 padding: 10px 80px;
             }
             
             .section-eng-title {
                 font-size: 24px;
                 color: #666;
                 font-weight: normal;
                 font-style: italic;
             }
             
			 .news-site {
			     max-width: 1200px;
			     margin: 0 auto;
			     /* background-color: #fff; */
			     /* border-radius: 10px; */
			     /* box-shadow: 0 5px 20px rgba(0,0,0,0.08); */
			     padding: 40px;
			 }
			 
			 
             /* 新闻详情页样式 */
             .news-detail {
                 padding: 80px 0;
                 background-color: var(--light-bg);
             }
             
             .news-detail-container {
                 max-width: 1200px;
                 margin: 0 auto;
                 background-color: #fff;
                 border-radius: 10px;
                 box-shadow: 0 5px 20px rgba(0,0,0,0.08);
                 padding: 40px;
             }
             
             .news-meta-bar {
                 display: flex;
                 justify-content: space-between;
                 align-items: center;
                 padding: 15px 0;
                 border-bottom: 1px solid var(--border-color);
                 margin-bottom: 30px;
                 flex-wrap: wrap;
             }
             
             .news-meta {
                 color: #666;
                 font-size: 16px;
             }
             
             .news-meta span {
                 margin-right: 20px;
             }
             
             .news-share {
                 display: flex;
                 gap: 15px;
             }
             
             .share-icon {
                 width: 36px;
                 height: 36px;
                 border-radius: 50%;
                 background-color: var(--light-bg);
                 display: flex;
                 align-items: center;
                 justify-content: center;
                 cursor: pointer;
                 transition: var(--transition);
             }
             
             .share-icon:hover {
                 background-color: var(--primary-color);
                 color: #fff;
             }
             
             .news-content {
                 font-size: 18px;
                 line-height: 1.8;
                 color: #333;
             }
             
             .news-content h2 {
                 font-size: 28px;
                 color: var(--secondary-color);
                 margin: 30px 0 20px;
             }
             
             .news-content h3 {
                 font-size: 24px;
                 color: var(--secondary-color);
                 margin: 25px 0 15px;
             }
             
             .news-content p {
                 margin-bottom: 20px;
                 text-align: justify;
             }
             
             .news-content img {
                 max-width: 100%;
                 height: auto;
                 border-radius: 8px;
                 margin: 20px 0;
                 box-shadow: 0 3px 10px rgba(0,0,0,0.1);
             }
             
             .news-content blockquote {
                 border-left: 4px solid var(--primary-color);
                 padding: 15px 20px;
                 background-color: var(--light-bg);
                 margin: 20px 0;
                 border-radius: 0 8px 8px 0;
             }
             
             .news-content ul, .news-content ol {
                 margin: 15px 0 15px 40px;
             }
             
             .news-content li {
                 margin-bottom: 10px;
             }
             
             .news-relative {
                 margin-top: 50px;
                 padding-top: 30px;
                 border-top: 1px solid var(--border-color);
             }
             
             .news-relative h3 {
                 font-size: 22px;
                 color: var(--secondary-color);
                 margin-bottom: 20px;
             }
             
             .relative-list {
                 display: grid;
                 grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
                 gap: 20px;
             }
             
             .relative-item {
                 padding: 15px;
                 border: 1px solid var(--border-color);
                 border-radius: 8px;
                 transition: var(--transition);
             }
             
             .relative-item:hover {
                 transform: translateY(-5px);
                 box-shadow: 0 5px 15px rgba(0,0,0,0.1);
                 border-color: var(--primary-color);
             }
             
             .relative-item a {
                 text-decoration: none;
                 color: #333;
             }
             
             .relative-item h4 {
                 font-size: 16px;
                 margin-bottom: 10px;
                 transition: var(--transition);
             }
             
             .relative-item:hover h4 {
                 color: var(--primary-color);
             }
             
             .relative-date {
                 color: #999;
                 font-size: 14px;
             }
             
             /* 侧边栏容器样式 */
             .sidebar-wrapper {
                 position: fixed;
                 right: 0;
                 top: 50%;
                 transform: translateY(-50%);
                 z-index: 999;
                 display: flex;
                 flex-direction: column;
                 align-items: flex-end;
                 padding-right: 5px;
             }
             
             .sidebar-item {
                 position: relative;
                 width: 56px;
                 height: 56px;
                 background-color: var(--secondary-color);
                 color: #ffffff;
                 box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
                 border-radius: 8px 0 0 8px;
                 margin-bottom: 8px;
                 cursor: pointer;
                 display: flex;
                 align-items: center;
                 justify-content: center;
                 transition: all 0.3s ease;
             }
             
             .sidebar-item:hover {
                 background-color: #2d8cf0;
             }
             
             .sidebar-icon {
                 width: 24px;
                 height: 24px;
                 display: block;
                 background-size: 100% 100%;
                 transition: all 0.3s ease;
             }
             
             .sidebar-item:hover .sidebar-icon {
                 filter: brightness(0) invert(1);
             }
             
             .sidebar-content {
                 position: absolute;
                 right: 56px;
                 top: 0;
                 height: 100%;
                 background-color: #ffffff;
                 box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
                 border-radius: 8px 0 0 8px;
                 padding: 0 15px;
                 display: flex;
                 align-items: center;
                 opacity: 0;
                 visibility: hidden;
                 transform: translateX(10px);
                 transition: all 0.3s ease;
                 z-index: -1;
             }
             
             .sidebar-item:hover .sidebar-content {
                 opacity: 1;
                 visibility: visible;
                 transform: translateX(0);
             }
             
             .qrcode-container {
                 padding: 10px;
                 background-color: #fff;
             }
             
             .qrcode-img {
                 width: 120px;
                 height: 120px;
                 display: block;
             }
             
             .qrcode-tip {
                 text-align: center;
                 font-size: 12px;
                 color: #666;
                 margin-top: 5px;
             }
             
             .contact-text {
                 color: #333;
                 font-size: 14px;
                 white-space: nowrap;
             }
             
             /* Footer */
             footer {
                 background-color: var(--dark-bg);
                 color: white;
                 padding: 60px 0 20px;
             }
             
             .footer-content {
                 display: grid;
                 grid-template-columns: 2fr 1fr 1fr;
                 gap: 40px;
                 margin-bottom: 40px;
             }
             
             .footer-info h3 {
                 font-size: 24px;
                 margin-bottom: 20px;
                 color: var(--accent-color);
             }
             
             .footer-contact {
                 display: flex;
                 align-items: center;
                 margin-bottom: 10px;
             }
             
             .footer-contact i {
                 margin-right: 10px;
                 color: var(--accent-color);
             }
             
             .qrcode {
                 text-align: center;
             }
             
             .qrcode img {
                 width: 150px;
                 margin-bottom: 15px;
             }
             
             .copyright {
                 text-align: center;
                 padding-top: 20px;
                 border-top: 1px solid var(--secondary-color);
                 font-size: 14px;
                 color: #aaa;
             }
             
             /* 响应式设计 */
             @media (min-width:1080px) {
                 .logo-text {
                     display: none;
                 }
                 
                 .nav-menu li a:hover {
                     background-color: var(--primary-color);
                     clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
                     color: white;
                 }
             }
             
             @media (max-width: 1024px) {
                 .logo img  {
                     display: none;
                 }
                 
      			.header-bg888 img {
      				display: none;
      			}
      			
                 .header-bg {
                     display: none;
                 }
                 .logo-text  {
                     font-size: 40px;
                 }
                 
                 .nav-menu {
                     background-color:black;
                 }
                 
                 .nav-menu li a {
                     padding: 15px 20px;
                     font-size: 16px;
                     color: white;
                 }
                 
                 .nav-menu li a:hover {
                     color: white;
                 }
                 
                 .banner h1 {
                     font-size: 40px;
                 }
                 
                 .banner p {
                     font-size: 18px;
                 }
                 
                 .title-container {
                     flex-direction: column;
                     align-items: flex-start;
                     gap: 5px;
                 }
                 
                 .section-eng-title {
                     font-size: 20px;
                 }
                 
                 .news-detail-container {
                     padding: 30px 20px;
                 }
                 
                 .news-content {
                     font-size: 16px;
                 }
                 
                 .news-content h2 {
                     font-size: 24px;
                 }
                 
                 .news-content h3 {
                     font-size: 20px;
                 }
             }
             
             @media (max-width: 768px) {
                 .header-top {
                     padding: 10px 0;
                 }
                 
                 .logo-text {
                     font-size: 30px;
                 }
                 
                 .theme-btn {
                     width: 30px;
                     height: 30px;
                 }
                 
                 .header-right {
                     gap: 10px;
                 }
                 
                 .nav-toggle {
                     display: block;
                     margin-left: auto;
                 }
                 
                 .nav-menu {
                     display: none;
                     flex-direction: column;
                     position: absolute;
                     top: 100%;
                     left: 0;
                     right: 0;
                     z-index: 999;
                     background-color: black;
                 }
                 
                 .nav-menu.active {
                     display: flex;
                 }
                 
                 .nav-menu li a {
                     padding: 12px 20px;
                     font-size: 16px;
                     border-bottom: 1px solid rgba(255,255,255,0.1);
                     color: white;
                 }
                 
                 .banner {
                     height: 400px;
                 }
                 
                 .banner h1 {
                     font-size: 32px;
                 }
                 
                 .banner p {
                     font-size: 16px;
                 }
                 
                 .section-title {
                     font-size: 28px;
                     margin-bottom: 5px;
                 }
                 
                 .section-eng-title {
                     font-size: 18px;
                 }
                 
                 .news-detail {
                     padding: 40px 0;
                 }
                 
                 .news-meta-bar {
                     flex-direction: column;
                     align-items: flex-start;
                 }
                 
                 .news-share {
                     margin-top: 15px;
                 }
                 
                 .relative-list {
                     grid-template-columns: 1fr;
                 }
                 
                 .sidebar-wrapper {
                     top: auto;
                     bottom: 20px;
                     transform: none;
                 }
                 
                 .sidebar-item {
                     width: 48px;
                     height: 48px;
                 }
                 
                 .sidebar-content {
                     right: 48px;
                 }
                 
                 .qrcode-img {
                     width: 100px;
                     height: 100px;
                 }
                 
                 .footer-content {
                     grid-template-columns: 1fr;
                     gap: 30px;
                 }
                 
                 footer {
                     padding: 40px 0 20px;
                 }
             }
             
             @media (max-width: 480px) {
                 .logo-text {
                     font-size: 20px;
                 }
                 
                 .banner h1 {
                     font-size: 28px;
                 }
                 
                 .btn {
                     padding: 10px 20px;
                     font-size: 14px;
                 }
                 
                 .nav-menu {
                     background-color:black;
                 }
                 
                 .news-detail-container {
                     padding: 20px 15px;
                 }
                 
                 .news-content {
                     font-size: 15px;
                 }
                 
                 .news-meta span {
                     display: block;
                     margin-right: 0;
                     margin-bottom: 5px;
                 }
             }