/*about.css*/
    /* 重置样式确保跨浏览器一致性 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: Arial, "Microsoft YaHei", sans-serif;
        line-height: 1.6;
        color: #666;
        background-color: white;
        min-height: 60vh;
        display: flex;
        flex-direction: column;
        justify-content: center; /* 垂直居中 */
        align-items: center; /* 水平居中 */
        padding: 10px;
        overflow-x: auto;
    }

    body > * {
    width: 90%;
    max-width: 1080px;
    }
    
    .sticky-menu {
        position: fixed;
        top: 0;
        background: white;
        padding: 0px 0;
        box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        transition: all 0.3s ease;
    }
    
    
    
    .sticky-menu.scrolled .logo-content {
        opacity: 0;
        visibility: hidden;
        height: 0;
        max-height: 0;
        overflow: hidden;
    } 
    
    .sticky-menu.scrolled .menu-container {
        background-color: white !important;
    }
    
    .sticky-menu.scrolled .menu-link{
        color: #666;
        text-decoration: none !important;
    }  
    
    .sticky-menu.scrolled #menu-container-first,
    .sticky-menu.scrolled #menu-container-last {
        opacity: 1;
        visibility: visible;
    }
        
       /* 布局样式 */
   .header-content {
        display: flex;
        flex-direction: column;
        position: relative;
        width: 100%;
        /*height: 126px;*/
        max-height: 155px;
        max-width: 1080px;
        /*margin: 0 auto;
        padding: 0 0px;*/
    }
    
    .logo-content {
        display: flex;
        font-size: 1.1rem;
        position: relative;
        width: 100%;
        height: 80px;
        max-height: 80px;
        max-width: 1080px;
        margin: 0 auto;
        /*padding: 0 0px;*/
        transition: all 0.3s ease;
    }
    
       .logo-content a{
        color:#666;
        font-size:16px;
        text-decoration: none !important;
    }
    
    /* 头部样式 */
    header {
        color: white;
        padding: 1rem 0;
        box-shadow: 0 1px 1px rgba(0,0,0,0.1);
    }
    
    
    /* 导航样式 */
    .menu-container{
        /*background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);*/
        background: rgb(215,96,32);
        display: flex;
        font-size: 1.0rem;
        justify-content: left;
        /*justify-content: center;
        /*margin-bottom: 3rem;*/
        width: 100vw;
        height:57px;
        /*max-width: 1200px;*/
        position:relative;
        left: calc(-50vw + 50%);
        right: calc(-50vw + 50%);
    }
    
    .menu-inner {
        display: flex;
        justify-content: left;
        width: 100%;
        max-width: 1080px; /* 限制内部内容宽度 */
        margin: 0 auto;
        font-size: 1.0rem;
        padding: 0 0px;
    }
    
    #menu-container-first{
        position: relative;
        display: flex;
        margin-left:0px;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    
    #menu-container-last{
        display: flex;
        position: relative;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    
    #menu-container-last a{
        font-size: 0.8rem;
        color:#666;
        text-decoration: none !important;
    }
    
   
    
    .menu-container-nav {
        display: flex;
        width:80%;
        position: relative;
       
    }
    .nav-menu {
        display: flex;
        /*background: white;*/
        border-radius: 1px;
        box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
        overflow: visible; /* 关键修复：允许下拉菜单显示 */
    }
    
    .menu-item {
        display:flex;
        position: relative;
        list-style: none;
        padding: 1px 1px;
        width:110px;
        height:57px;
        justify-content:center;
        align-items:center;
    }
    
    .menu-link {
        display: flex;
        justify-content:center;
        align-items:center;
        width:100%;
        height:100%;
        text-decoration: none;
        color: white;
        transition: all 0.3s ease;
        border-right: 1px solid #f1f1f1;
        position: relative;
        z-index: 1;
    }
    
    .menu-item:last-child .menu-link {
        border-right: none;
    }
    
    .menu-link:hover {
        background: rgb(208,104,0);
        color: white;
    }
    
    /* 下拉菜单样式 - 关键修复 */
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 0;
        background: white;
        min-width: 128px;
        box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 10px 10px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
        z-index: 1000; /* 提高z-index确保菜单显示在最前面 */
        padding: 5px 0; /* 添加内边距使悬停区域更大 */
    }
    
    /* 关键修复：确保悬停区域足够大 */
    .menu-item:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    /* 添加一个透明的悬停区域，使菜单不会在鼠标移动时立即关闭 */
    .menu-item::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: 1px; /* 悬停区域高度 */
        background: transparent;
        z-index: 999;
    }
    
    .dropdown-item {
        list-style: none;
        border-bottom: 1px solid #f1f1f1;
    }
    
    .dropdown-item:last-child {
        border-bottom: none;
    }
    
    .dropdown-link {
        display: block;
        padding: 0.8rem 1.5rem;
        text-decoration: none;
        color: #2c3e50;
        transition: all 0.2s ease;
    }
    
    .dropdown-link:hover {
        background: white;
        padding-left: 1.8rem;
    }
    
    /* 添加指示器 */
    .has-dropdown::after {
        content: "▼";
        font-size: 0.7rem;
        margin-left: 5px;
        display: inline-block;
        transition: transform 0.3s ease;
    }
    
    .menu-item:hover .has-dropdown::after {
        transform: rotate(180deg);
    }    
    
     #main-content{
        display: flex;
        flex-direction: row;
        max-width: 1080px;
        width:1080px;
        position: relative;
        flex: 1 0 auto;
        margin-top:150px;
        margin-bottom: 50px;
        justify-content: flex-start;
        align-items: left;
    }
    
    #container_main_left {
        margin-left: 10px;
        margin-top:4% ;
        left:15px;
		width: 240px;
		background: white;
		border-radius: 8px;
		box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
		overflow: hidden;
		position: relative;
		max-height:600px;
		min-height:600px;
		}
		
	.about-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1px;
            width:100%;
            max-width: 900px;
            background:white;
            font-family: Arial, sans-serif;
            border-radius: 1px;
            box-shadow: 0 2px 1px rgba(0,0,0,0.1);
        }
        
        .grid-item {
            background-color: rgb(106,116,118);
            border-radius: 8px;
            padding: 25px 15px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .grid-item-first {
            background-color: rgb(215,96,32);
            border-radius: 8px;
            padding: 25px 15px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .grid-item-first a {
            color:white;
            text-decoration: none !important;
        }
        
        .grid-item:hover {
            background-color: rgb(93,93,93);
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
        }
        
        .grid-item a {
            text-decoration: none;
            color: white;
            font-weight: normal;
            font-size: 16px;
            display: block;
        }
        
        .grid-item:hover a {
            color: rgb(215,96,32);
        }
        
        .rqphoneweaddress{
            width: 90%;
            height: 261px;
            width: 241px;
            max-width: 241px;
            object-fit: cover;
        }    
    /* 右側主要布局器 */
    #container_main_right{
        top: 5%;
        margin-top:20px;
        margin-left:5%;
        width: 700px;
        /*height: 900px;*/
        min-height: 100px;
        position: relative;
    }
    
    #dynamic-content{
        top:1%;
        display: flex;
        position: relative;
    }
    
    #dynamic-content p{
        text-indent: 2em;
        text-align: left;
    }
    
   #dynamic-content img{
        max-width: 100%;
        max-width: 700px;
        height: auto;
        object-fit: contain;
    }
    .news-container{
        display: block;
        grid-template-columns: repeat(1, 1fr);
        gap: 10px;
        padding: 10px;
        top: 0px;
        width: 710px;
        height: 860px;
        min-height: 84px;
        position: relative;
        flex:1;
    }
    
   .news-listcard-link {
        text-decoration: none;
        color: inherit;
        display: flex;
        width: 100%;
        height: 100%;
    }
    
    .news-listcard {
        display: flex;
        width: 715px;
        height: 116px;
        background: white;
        border-radius: 2px;
        overflow: hidden;
        cursor: pointer;
        margin-bottom:15px;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    /*new container 2025-10-27*/
    .news-listcard:hover {
        transform: translateX(-5px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }
    
    .news-listcard:hover p {
        color: rgb(215,96,32);
    }
    
    .news-image {
        width: 110px;
        height: 110px;
        margin-left:1px ;
        object-fit: cover;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .news-image img{
        height: 110px;
        width: 110px;
    }
    
    .news-info {
        display: flex;
        flex-direction: column;
        width: 590px;
        height: 110px;
        margin-left:10px;
        padding: 5px;
        
    }
    
    
    .news-title {
        display: flex;
        width: 590px;
        height: 30px;
        font-size: 16px;
        color:rgb(215,96,32);
        text-indent: 2em;
        margin-bottom: 4px;
        border-bottom: 1px,dashed #666;
    }
    
    .news-description{
        display: flex;
        width:590px;
        height: 30x;
        color: #666;
        margin-bottom: 1px;
        font-size: 13px;
        text-indent: 2em;
    }
    
     /*timeline container 2025-10-27*/
    .timeline-container {
            position: relative;
            display: flex;
            flex-direction: column;
            width: 700px;
            height: 110px;
            margin: 5px 0;
        }
        
        .timeline-track {
            position: relative;
            height: 110px;
            width:670px;
            left:20px;
            background: rgb(215,96,32);
            border-radius: 1px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            overflow: hidden;
            padding: 0 30px;
        }
        
        .timeline-line {
            position: absolute;
            top: 75%;
            left: 35px;
            right: 35px;
            height: 1px;
            background: white;
            transform: translateY(-50%);
        }
        
        .timeline-nodes {
            display: flex;
            position: absolute;
            top: 0;
            width: 600px; /* 正好显示6个节点 (100px * 6) */
            left: 30px;
            height: 58px;
            transition: transform 0.5s ease;
        }
        
        .timeline-node {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 100px; /* 每个节点100px宽度 */
            height: 60px;
            top: 53px;
            flex-shrink: 0;
            padding: 0 0px;
            margin-right: 0px;
        }
        
        .node-content {
            position: absolute;
            bottom: 60%;
            background: rgb(215,96,32);
            border-radius: 2px;
            padding: 0px;
            width: 40px;
            height: 50px;
            box-shadow: 0 0px 0px rgba(0,0,0,0.1);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            cursor: pointer;
            text-align: center;
            transform-origin: bottom center;
            border: 0px solid transparent;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .node-content:hover {
            transform: translateY(-5px) scale(1.02);
        }
        
        .node-content.active {
            transform: translateY(-5px) scale(1.8);
            z-index: 100;
            background: rgb(215,96,32);
        }
        
        .node-date {
            font-weight: normal;
            color: white;
            font-size: 0.9rem;
        }
        
        .node-marker {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            position: absolute;
            background: white;
            top: 50%;
            transform: translateY(-50%);
            transition: all 0.3s ease;
        }
        
        .node-content.active ~ .node-marker {
            transform: translateY(-50%) scale(2);
        }

        /* 集成在时间轴内部的箭头 */
        .timeline-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            background:white;
            border: none;
            border-radius: 2px;
            color: rgb(215,96,32);
            font-size: 1.5rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .timeline-arrow:hover {
            background: white;
            transform: translateY(-50%) scale(1.1);
            box-shadow: 0 6px 20px rgba(52, 152, 219, 0.6);
        }
        
        .timeline-arrow:active {
            transform: translateY(-50%) scale(0.95);
        }
        
        .arrow-left {
            top: 80px;
            left: 15px;
        }
        
        .arrow-right {
            top: 80px;
            right: 15px;
        }
        
        .timeline-arrow:disabled {
            background: #bdc3c7;
            cursor: not-allowed;
            transform: translateY(-50%) scale(1);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            opacity: 0.6;
        }
        
        .selected-node-info {
            text-align: center;
            margin-top: 2px;
            background: white;
            border-radius: 1px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            transition: all 0.3s ease;
        }
        
        .selected-node-info.active {
            border: 0px solid #666;
        }
        
        .selected-node-info h3 {
            color: #3498db;
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        
        .selected-node-info .date {
            color: #7f8c8d;
            font-size: 1rem;
            margin-bottom: 15px;
            font-weight: 600;
        }
        
        /* 进度指示器 */
        .progress-indicator {
            text-align: center;
            margin-top: 15px;
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        
        /* 装饰性元素 */
        .timeline-track::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, 
                rgba(52, 152, 219, 0.1) 0%, 
                transparent 15%, 
                transparent 85%, 
                rgba(52, 152, 219, 0.1) 100%);
            pointer-events: none;
            border-radius: 1px;
        }
    
    footer{
        margin-top: 30px;
        position: relative;
        background: #666;
        color: white;
        padding: 20px 0;
        width: 100%;
        text-align: center;
        
    }
    .footer-container{
        display: flex;
        text-align: center;
        align-content: center;
    }
    
    .footer-container p{
        align-content: center;
        margin-left:40%;
        text-align: center;
    }
    /* 浏览器兼容性提示 */
    .browser-warning {
        background: #ffc107;
        color: #666;
        padding: 1px;
        text-align: center;
        display: none;
    }