@charset "utf-8";
/* CSS Document */

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

        html, body {
			height: 100%;
            font-family: Arial, 微软雅黑;
			overflow: hidden; /* 隐藏默认滚动条,用于整屏滚动 */
        }


/* 顶部菜单容器 */
        .navtop-menu {
            width: 100%;
            height: 100px;
            background-color: rgba(0, 0, 0, 0.2); /* 初始黑色半透明背景 */
            display: flex;
            align-items: center;
            padding: 0 0.6%; /* ------------------------------------- */
            position: fixed; /* 固定在顶部 */
            top: 0;
            left: 0;
            z-index: 1000; /* 确保在最上层 */
            transition: all 0.3s ease; /* 平滑过渡效果 */
        }

        /* 滚动时隐藏菜单（向上移动100px） */
        .navtop-menu-hidden {
            transform: translateY(-100px);
        }

        /* 第一个div：左侧图片 */
        .navlogo-section {
            width: 20%; /* ------------------------------------- */
            height: auto; /* ------------------------------------- */	
            margin-right: 5%; /* ------------------------------------- */
        }

        .navlogo-image {
            width: 100%;
			height: auto; /* ------------------------------------- */	
            max-height: 100px; /* ------------------------------------- */
            object-fit: contain; /* 保持图片比例，不拉伸 */
        }

        /* 第二个div：9个文字链接 */
        .navlinks-section {
            display: flex;
            gap: 2%; /* 链接间距 */ /* ------------------------------------- */
            flex: 1; /* 占据中间剩余空间 */
        }

        .navlink-item {
            text-decoration: none;
            color: #fff;
            font-size: 110%; /* ------------------------------------- */
			letter-spacing: 2px; /* ------------------------------------- */
            transition: all 0.3s ease;
            position: relative;
            padding: 5px 0;
			text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.6);;
        }

        /* 悬停浮动效果 */
        .navlink-item:hover {
            color: #fff;
            transform: translateY(-3px);
        }

        /* 下划线动画 */
        .navlink-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ef9200;
            transition: width 0.3s ease;
        }

        .navlink-item:hover::after {
            width: 100%;
        }

        /* 第三个div：右侧两个图片 */
        .navright-images-section {
            display: flex;
            gap: 0px; /* 图片间距 */
            align-items: center;
        }

        .navright-image {
            width: 50px;
            height: 60px;
            object-fit: contain; /* 保持图片比例 */
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .navright-image:hover {
            transform: scale(1.1); /* 悬停放大效果 */
        }

/* 主菜单新增下拉通栏子菜单 */
        .main-nav {
            display: flex;
            width: 100%;
            margin: 0 auto;
        }

        /* 主菜单单个项 */
        .main-nav-item {
            position: relative; /* 为悬浮层定位 */
            padding: 40px 10px;
            cursor: pointer;
            transition: color 0.5s ease;
			list-style-type: none;
        }

        .main-nav-item a {
            color: #fff;
            font-size: 18px;
        }

        .main-nav-item:hover a {
            color: #fff;
        }


        /* 悬浮层容器 - 核心修改：调整定位和尺寸 */
        .dropdown-layer {
            position: fixed; /* 改为fixed定位，确保基于视口定位 */
            top: 100px; /* 顶部距离100px */
            left: 0;    /* 左侧距离0px，配合right:0实现100%宽度 */
            right: 0;   /* 右侧距离0px */
            width: 100vw; /* 网页100%宽度 */
            height: 0; /* 默认隐藏 */
			
            background-color: rgba(0,0,0,0.5);
            overflow: hidden; /* 隐藏超出内容 */
            transition: height 0.3s ease; /* 平滑展开动画 */
            z-index: 998;
        }

        /* 鼠标悬停时展开悬浮层 */
        .main-nav-item:hover .dropdown-layer {
            height: 200px; /* 展开到指定高度 */
			border-top: 1px double rgba(255,255,255,0.1);
        }

        /* 悬浮层内部容器 */
        .dropdown-content {
            display: flex;
            height: 100%;
			width: 100%;
            
            margin: 0 auto; /* 居中显示 */
        }

        /* 悬浮层左侧72%区域 */
        .dropdown-left {
            flex: 0 0 72%; /* 固定80%宽度 */
            padding: 15px;
            display: flex;
            flex-direction: column;
            justify-content: space-around;
			padding-left: 12%;
			
        }
		.dropdown-left .link-row{width:1165px; height:180px; padding-top:20px;  overflow:hidden; display:block;}
		.dropdown-left .link-row a{width:220px;height:50px; float:left; display:block; margin:0 10px 10px 0;}

        /* 左侧每行链接容器 */
        .link-row {
            display: flex;
            gap: 12px; /* 链接之间的间距 */
			line-height: 50px;
        }

        .link-row a {
            color: #fff;
            font-size: 16px;
            transition: color 0.2s ease;
			text-decoration: none;
			width: 140px;
			transition: transform 0.5s ease;
        }

        .link-row a:hover {
            color: #ffb43e;
			transform: translateY(-5px); 
        }

        /* 悬浮层右侧28%区域 */
        .dropdown-right {
            flex: 0 0 28%; /* 固定20%宽度 */
            padding: 10px;
            display: flex;
            align-items: center;
        }

        /* 右侧图片样式 */
        .dropdown-img {
            width: 200px;
            height: 160px; /* 适配悬浮层高度 */
            object-fit: contain;
			padding-left: 15px;
			border-left: 1px double rgba(255,255,255,0.2);
        }

/* 视频无缝连播 */
/* 主容器 */
        .video-container {
            width: 100%;
            height: 100vh;
            position: relative;
            overflow: hidden;
			background-color: #4f6ca1;
			background-image: url("/Images/video_load_cn_icon.png");
			background-position: center center; 
            background-repeat: no-repeat; 
        }

        /* 背景视频样式 */
        .bg-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0;
            transition: opacity 1s ease;
        }

        /* 当前激活的视频显示 */
        .bg-video.active {
            opacity: 1;
        }

        /* 左下角文字和按钮容器 */
        .control-panel {
            position: absolute;
            bottom: 40px;
            left: 40px;
            z-index: 10;
            color: #fff;
        }

        /* 文字样式 */
        .panel-text {
            margin-bottom: 20px;
        }

        .text-line1 {
            font-size: 90px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        .text-line2 {
            font-size: 30px;
            opacity: 0.9;
			margin-bottom: 45px;
        }

        /* 视频导航按钮容器 */
        .video-buttons {
            display: flex;
            gap: 20px;
            align-items: center;
			margin-bottom: 45px;
        }

        /* 进度条样式按钮 */
        .video-btn {
            width: 100px;
            height: 3px;
            background-color: rgba(255, 255, 255, 0.3);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        /* 按钮激活状态 */
        .video-btn.active {
            background-color: #fff;
            height: 4px;
        }

        /* 播放进度条 */
        .progress-bar {
            position: absolute;
            top: 0;
            left: 0;
            height: 100%;
            width: 0;
            background-color: #4a90e2;
            transition: width 0.1s linear;
        }

        /* 按钮悬停效果 */
        .video-btn:hover {
            background-color: rgba(255, 255, 255, 0.5);
            height: 4px;
        }

        .video-btn.active:hover {
            background-color: #fff;
        }

/* 语言下拉菜单 */
.dropdownM {
    position: relative;
    display: inline-block;
}

.dropdownM-content {
    display: none;
    position: absolute;
    background-color: rgb(255,255,255,0.8);
	border-radius: 1px;
    min-width: 60px;
    padding: 10px 0 8px 0;
    z-index: 1;
	margin-top: -4px;
	margin-left: -8px;
	border: 1px double #d6d6d6;
	text-align: center;
	
}

.dropdownM-link {
	color: #888888;
	font-size: 15px;
	line-height: 20px;
	text-decoration: none;
}
.dropdownM-link:hover {
	color: #004480;
}

.dropdownM-link-active {
	color: #004480;
	font-size: 15px;
	line-height: 30px;
	text-decoration: none;
}

.dropdownM:hover .dropdownM-content {
    display: block;
}


/*
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: rgb(255,255,255,0.9);
	border-radius: 4px;
    min-width: 80px;
    padding: 12px 12px;
    z-index: 1;
	margin-top: 0;
	margin-left: -16px;
	border: 1px double #d6d6d6;
	text-align: center;
	
}

.dropdown-link {
	color: black;
	font-size: 14px;
	line-height: 30px;
	text-decoration: none;
}
.dropdown-link:hover {
	color: #e88e00;
}

.dropdown:hover .dropdown-content {
    display: block;
}*/

/* 搜索悬浮层 */
/* 初始搜索隐藏遮罩层 */
.overlay {
    display: none;
    position: fixed; /* 固定定位 */
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7); /* 半透明背景 */
    z-index: 1000; /* 确保它在其他内容之上 */
}

/* 搜索遮罩层内容居中 */
.overlay .content {
    position: absolute;
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    text-align: center;
    color: white;
}

.search_bt {
	color: #ffffff;
	font-size: 50px;
	line-height: 40px;
	margin-bottom: 30px;
	text-align: left;
	font-weight: bold;
}
.search_exit {
	text-align: right;
	cursor: pointer;
}
.search {
	width: 1200px;
	height: 80px;
	outline: none;
	color: #4c4c4c;
	font-size: 30px;
	margin-bottom: 50px;
	padding-left: 40px;
	padding-right: 40px;
	border-radius: 40px;
}

.search_btn {
	cursor: pointer;
	border-radius: 30px;
	width: 160px;
	height: 50px;
	border: 1px double #78b540;
	margin-bottom: 150px;
	background-color: rgba(0, 0, 0, 0.4);
	text-align: center;
	color: #fff;
	font-size: 16px;
}
.search_btn:hover {
	background-color: rgba(255, 255, 255, 0.6);
	color: #000;
	border: 1px double #fff;
	transition: background-color 0.5s ease;
}


/* 关于我们 */
.about_k {
	margin: 0 auto;
	width: 100%;
	height: 100vh;
}

.about_left_k {
	float: left;
	width: 50%;
	height: 100%;
	background-image: url('../Images/about_bg01.png'); 
    background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}

.about_right_k {
	float: right;
	width: 50%;
	height: 100%;
	
	position: relative; /* ----------------------------------- */
}

.about_right_nr {
	width: 84%;
	box-sizing: border-box;
	
	position: absolute; /* 设置为绝对定位 */ /* ----------------------------------- */
	left: 8%; /* ----------------------------------- */
    bottom: 8%; /* ----------------------------------- */
}

.about_right_nr_bt {
	margin: 0 auto 50px 0; /* ----------------------------------- */
	width: 97%;
    font-size: 45px;
	color: #78b540;
	line-height: 45px;
	text-align: right;
	border-bottom: 1px double #dddddd;
	padding-bottom: 40px;
}

.about_right_nr_btn {
	cursor: pointer;
	display: inline-block;
	border-radius: 10px;
	margin: 1%;
	padding: 24px;
	width: 30%;
	height: 128px;
    font-size: 20px;
	color: #000000;
	text-align: left;
	background-color: #f2f5ee;
	background-image: url('../Images/about_ico.png'); 
	background-repeat: no-repeat;
	background-position: 25px 90px; 
	overflow: hidden; /* 隐藏溢出，文字单双行高度一致 */
}

.about_right_nr_btn:hover {
	color: #ffffff;
	text-align: left;
	background-color: #78b540;
	background-image: url('../Images/about_ico_hover.png'); 
	background-repeat: no-repeat;
	background-position: 25px 90px; 
	transition: background-color 0.5s ease;
}

.about_right_nr_btn.hover-active {
	color: #ffffff;
	text-align: left;
	background-color: #78b540;
	background-image: url('../Images/about_ico_hover.png'); 
	background-repeat: no-repeat;
	background-position: 25px 90px; 
	transition: background-color 0.5s ease;
}

/* 点击时的活跃状态 */
.about_right_nr_btn:active {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}


#a01:hover, #a02:hover, #a03:hover, #a04:hover, #a05:hover, #a06:hover, #a07:hover, #a08:hover, #a09:hover {
  cursor: pointer;
}

#about_bg {
  transition: background-image 0.5s ease; /* 平滑过渡效果 */
}


/* 风琴菜单 */
/* 全屏背景图 - 平滑切换 */
        .fullscreen-bg {
            position: absolute;
            left: 0;
            width: 100%;
            height: 100vh;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            z-index: -1;
        }

        .fullscreen-bg.active {
            opacity: 1;
        }

        /* 面板容器 - 固定尺寸 */
        .container {
			margin: 0 auto;
            width: 100%;
            height: 100vh;
            display: flex;
            position: relative;
            z-index: 999;
        }

        /* 单个面板 - 基础样式+分割线，所有状态字母水平居中 */
        .panel {
            flex: 1; /* 未展开25%，展开50% */
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center; /* 垂直居中 */
            align-items: center; /* 强制水平居中（核心） */
            color: white;
            transition: flex 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            position: relative;
            background: transparent;
            padding: 2rem;
            overflow: hidden;
        }

        /* 1px白色实线分割线 - 不随缩放变形 */
        .panel:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            height: 100%;
            width: 1px;
            background: rgba(255,255,255,0.3);
            z-index: 2;
            pointer-events: none;
        }

        /* 展开状态 */
        .panel.active {
            flex: 2;
			font-size: 430px; /* 展开后的字母大小 */
        }

        /* 未展开/已关闭状态 - 字母透明度50%，平滑过渡 */
        .panel:not(.active) {
			font-size: 230px;  /* 未展开时字母大小 */
            opacity: 0.5;
            transition: flex 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.5s ease;
        }


		/* 未展开面板悬停效果：透明度提升 */
		.panel:not(.active):hover {
            opacity: 0.9; /* 悬停时透明度提升，增强交互反馈 */
			font-size: 300px; /* 悬停时字母放大 */
			background-color: rgba(0,0,0,0.2);
        }
		
        /* 字母+右侧内容容器 */
        .content-wrap {
            display: flex;
			flex-direction: column;
            align-items: center;
            gap: 2rem;
            width: 100%;
            justify-content: center; /* 未展开时仅字母居中 */
			animation: float 3s ease-in-out infinite; /* 未展开时字母浮动 */
        }
			
        /* 字母样式 - 无阴影，平滑过渡（展开/关闭时尺寸切换） */
        .letter {
            text-shadow: none !important;
            line-height: 1;
            transition: font-size 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            pointer-events: none; /* 彻底禁用字母单独点击事件，仅面板可点击 */
			font-family: 'Arial';
			color: rgba(255,255,255,0.8);
        }
        /* 展开字母上下浮动动画 */
        .panel.active .letter {
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0); }
        }

        /* 右侧文字和按钮 - 双向平滑过渡 */
        .side-content {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            white-space: nowrap;
            opacity: 0;
            transform: translateX(-20px);
            transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
			padding-bottom: 150px;
        }

        .panel.active .side-content {
            opacity: 1;
            transform: translateX(0);
        }

        .panel:not(.active) .side-content {
            opacity: 0;
            transform: translateX(-20px);
            transition: opacity 0.8s ease 0.1s, transform 0.8s ease 0.1s;
        }

        .side-content h1 {
            font-size: 40px;
			letter-spacing: 3px;
			font-weight: 400;
		}

        .side-content button {
            border: 1px solid white;
            background: transparent;
            color: white;
            border-radius: 30px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            font-size: 18px;
			width:180px;
			margin: 0 auto;
			height: 50px;
			
        }

        .side-content button:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        /* 底部文字 - 双向平滑过渡 */
        .bottom-text {
			margin: 0 auto;
			width: 80%;
            position: absolute;
            bottom: 2rem;
            left: 3rem;
            right: 3rem;
            font-size: 16px;
            line-height: 1.8;
            text-align: left;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 1s ease 0.5s, transform 1s ease 0.5s;
        }

        .panel.active .bottom-text {
            opacity: 1;
            transform: translateY(0);
			
        }

        .panel:not(.active) .bottom-text {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
			overflow: hidden;  /* 防止溢出 */
			
        }


/* 业务领域 */
.main-container {
	        margin: 0 auto;
            width: 100%;
            height: 100vh;
            display: flex;
            position: relative;
            overflow: hidden;
        }

        /* 背景图容器 */
        .bg-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            transition: opacity 1s ease;
            background-size: cover;
            background-position: center;
        }

        .bg-container.bg-active {
            opacity: 1;
        }

        .bg-container:not(.bg-active) {
            opacity: 0;
            pointer-events: none;
            position: absolute;
        }

        /* 左侧面板 - 去除半透明背景，添加标题样式 */
        .left-panel {
            width: 40%;
            height: 100%;
			padding: 150px 40px 0px 80px;
            display: flex;
            flex-direction: column;
            gap: 12px; /* 标题与按钮、按钮之间的间距 */
            z-index: 1;
        }

        /* 左侧标题样式 */
        .left-title {
            font-size: 20px;
            color: white;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            margin-bottom: 75px; /* 与第一个按钮的额外间距 */
			padding-left: 10px;
			font-weight: normal;
        }

        .control-button {
            width: 196px;
            height: 58px;
            background-color: rgba(255, 255, 255, 0.3); /* 按钮轻微透明，不影响背景 */
            color: white;
            border-radius: 30px;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            padding-left: 30px;
			border: 1px double rgba(255, 255, 255, 0.5);
        }

        .control-button:hover {
            background-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
			color: #000000;
        }

        .control-button.active {
            background-color: #ffffff;
            border: 1px double #ffffff;
			color: #000000;
        }

        /* 右侧面板 - 内容垂直居中 */
        .right-panel {
            width: 60%;
            height: 100%;
            padding: 60px;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center; /* 垂直居中 */
            position: relative;
            z-index: 1;
        }

        .content-section {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease, transform 0.8s ease;
            position: absolute;
            top: 50%;
            left: 60px;
            right: 60px;
            transform: translateY(-50%); /* 垂直居中 */
        }

        .content-section.active {
            opacity: 1;
            transform: translateY(-50%);
            pointer-events: auto;
			z-index: 1000;
        }

        .content-title {
            font-size: 36px;
            margin-bottom: 30px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
			font-weight: normal;
        }

        .content-button {
            width: 180px;
            height: 50px;
            background-color: rgba(255, 255, 255, 0.2);
            border: 1px double rgba(255, 255, 255, 0.3);
            color: white;
            font-size: 16px;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            margin: 30px 0;
			background-image: url('../Images/business_nrico.png');
			background-repeat: no-repeat;
			background-position: 130px 18px;
			text-align: left;
			padding-left: 30px;
        }

        .content-button:hover {
            background-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
			color: #000000;
        }

        /* 图文内容带1px实线圆角线框 */
        .content-details {
            display: flex;
            gap: 30px;
            margin-top: 20px;
			margin-right: 40px;
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.3); /* 1px实线边框 */
            border-radius: 10px; /* 圆角 */
            background-color: rgba(0, 0, 0, 0.4); /* 轻微背景，增强边框可见性 */
        }

        .content-image {
            width: 372px;
            height: 372px;
            object-fit: cover;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .content-text {
			height: 372px;
			text-indent: 2em;
            font-size: 18px;
            line-height: 38px;
            flex: 1;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
			padding: 0 20px;
			text-align: justify;
			overflow: hidden; 
        }

 /* 业绩展示 */
        .main-performance {
            width: 100%;
            height: 100vh;
            display: flex;
            position: relative;
            overflow: hidden;
            background-color: #fff; /* 主容器背景色为白色 */
            box-shadow: 0 0 20px rgba(0,0,0,0.1); /* 可选：添加轻微阴影增强层次感 */
        }

        /* 背景图容器：全屏覆盖，平滑切换 */
        .bg-performance {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            transition: opacity 0.8s ease-in-out; /* 平滑过渡效果 */
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0;
        }

        /* 初始显示第一张背景图 */
        .bg-performance:first-child {
            opacity: 1;
        }

        /* 左侧div：占比60%，垂直排列文字，无半透明背景 */
        .left-performance {
            width: 70%;
            height: 100%;
            padding: 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        
        .left-performance-text {
            width: 70%;
            height: 100%;
            padding: 60px;
            color: #ffffff;
        }

        .performance-title {
            font-size: 20px;
            margin-bottom: 30px;
            text-shadow: none; /* 移除文字阴影，适应白色背景 */
			font-weight: normal;
        }

        .performance-text {
            font-size: 24px;
            line-height: 1.8;
            margin-bottom: 20px;
            text-shadow: none; /* 移除文字阴影，适应白色背景 */
        }

        /* 右侧div：占比40%，垂直排列6个按钮 */
        .right-performancebuttons {
            width: 30%;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .nav-performancebutton {
			margin: 0 auto;
            width: 408px;
            height: 108px;
            background-color: rgba(255, 255, 255, 0.2); /* 半透明背景 */
            border: 1px solid rgba(255, 255, 255, 0.3); /* 1px实线边框 */
            border-radius: 10px; /* 圆角样式 */
            color: #ffffff; /* 文字颜色为 */
			line-height: 30px;
            font-size: 24px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.4s ease;
            display: flex;
            align-items: center;
            padding: 0 0 0 40px;
            gap: 15px; /* 图标与文字间距 */
			background-image: url('../Images/performance_jt.png');
			background-repeat: no-repeat;
			background-position: 340px 45px;
        }

        /* 按钮图标样式 */
        .nav-performancebutton i {
			margin-top: 3px;
            width: 30px; /* 图标宽度，确保对齐 */
            text-align: center;
        }

        /* 鼠标悬停按钮效果（增强状态反馈） */
        .nav-performancebutton:hover {
            background-color: rgba(255, 255, 255, 0.4); /* 提高透明度 */
            transform: translateY(-3px); /* 轻微上浮 */
            box-shadow: 0 6px 12px rgba(0,0,0,0.4); /* 增强阴影 */
            border-color: rgba(255, 255, 255, 0.8); /* 边框颜色加深 */
            color: #ffffff; /* 文字颜色加深 */
        }

        .nav-performancebutton:hover i {
            color: #357abd; /* 图标颜色加深 */
        }

        .nav-performancebutton.hover-active {
            background-color: rgba(255, 255, 255, 0.4); /* 提高透明度 */
            transform: translateY(-3px); /* 轻微上浮 */
            box-shadow: 0 6px 12px rgba(0,0,0,0.4); /* 增强阴影 */
            border-color: rgba(255, 255, 255, 0.8); /* 边框颜色加深 */
            color: #ffffff; /* 文字颜色加深 */
        }
        

        /* 按钮点击时的活跃状态 */
        .nav-performancebutton:active {
            transform: translateY(-1px); /* 点击时轻微下沉 */
            box-shadow: 0 3px 6px rgba(0,0,0,0.1); /* 阴影减小 */
            background-color: rgba(74, 144, 226, 0.25); /* 背景透明度调整 */
        }

/* 新闻 */
        .main-news {
            width: 100%;
            height: 100vh;
            background-image: url('../Images/news_maxbg.png');
            background-size: 100% 100%;
            background-position: center;
            display: flex;
            justify-content: space-between;
            padding: 0 70px;
            margin: 0 auto;
			align-items: center; 
        }

        /* 三栏通用样式 */
        .newscolumn {
            /*width: 566px; */
			width: 32%;
			height: 720px;
            background-color: rgba(61, 64, 68, 0.7);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
			transition: background-color 0.3s ease, transform 0.3s ease;
			
        }

        .newscolumn:hover {
            transform: translateY(-5px);
			background-color: rgba(11, 40, 84, 0.7);
        }

        /* 标题区域样式 */
        .newssection-title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }

        .newstitle-text {
            font-size: 24px;
            color: #fff;
			font-weight: normal;
        }

        .newsview-more {
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .newsview-more i {
        }

        .newsview-more:hover {
            text-decoration: underline;
        }

        /* 文章列表样式 */
        .newsarticle-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .newsarticle-item {
            display: flex;
            gap: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .newsarticle-item:hover {
            transform: translateX(5px);
        }

        .newsarticle-image {
             width: 180px; 
			/*width: 35%; */
            height: 108px; 
			/*height: auto; */
			
            border-radius: 8px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .newsarticle-item:hover .article-image {
            transform: scale(1.05);
        }

        .newsarticle-content {
			width: 60%;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .newsarticle-title {
            font-size: 18px;
            color: #fff;
            margin-bottom: 8px;
            transition: color 0.3s ease;
			font-weight: normal;
			overflow: hidden;
			white-space: nowrap;
			text-overflow: ellipsis;
        }

        .newsarticle-item:hover .article-title {
            color: #fff;
        }

        .newsarticle-subtitle {
            font-size: 14px;
            color: #c2c2c2;
            margin-bottom: 6px;
			overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .newsarticle-date {
            font-size: 13px;
            color: #8b8b8b;
        }

        /* 右侧栏整体样式（包含上下两个独立div） */
        .newsright-column {
            display: flex;
            flex-direction: column;
            gap: 30px; /* 上下两个div水平间隔10px */
        }

        /* 右侧上栏样式 */
        .newsright-top {
            background-color: rgba(61, 64, 68, 0.7);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .newsright-top:hover {
            transform: translateY(-5px);
			background-color: rgba(11, 40, 84, 0.7);
        }

        
        .newstop {
            cursor: pointer;
        }

        .newsfeatured-image {
            width: 488px;
            height: 330px;
            border-radius: 8px;
            object-fit: cover;
            margin: 0 auto 15px;
            display: block;
            transition: transform 0.5s ease;
        }

        .newsfeatured-image:hover {
            transform: scale(1.03);
        }

        .newsright-top:hover .featured-image {
            transform: scale(1.03);
        }

        .newsfeatured-title {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            text-align: center;
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }

        .newsright-top:hover .featured-title {
            color: #fff;
        }

        .newsfeatured-subtitle {
            font-size: 16px;
            color: #c2c2c2;
            text-align: center;
        }

        /* 右侧下栏样式 */
        .newsright-bottom {
            background-color: rgba(61, 64, 68, 0.7);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            transition: background-color 0.3s ease, transform 0.3s ease;
        }

        .newsright-bottom:hover {
            transform: translateY(-5px);
			background-color: rgba(11, 40, 84, 0.7);
        }

        .newsgallery-images {
            display: flex;
            justify-content: space-between;
            gap: 15px;
        }

        .newsgallery-image {
            width: 236px;
            height: 102px;
            border-radius: 8px;
            object-fit: cover;
            cursor: pointer;
            transition: transform 0.5s ease;
        }

        .newsgallery-image:hover {
            transform: scale(1.05);
        }


   /* 页面底部foot */
       .footmain-container {
            width: 100%;
            display: flex;
            flex-direction: column;
            margin: 0 auto;
		    background-color: #004480;
        }

        /* 第一个div：背景图片（无圆角） */
        .footbg-image-section {
            width: 100%;
            height: 278px;
            background-image: url('../Images/foot_img.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
			justify-content: center;
			align-items: flex-end;
			display: flex;
        }
         /* 返回顶部链接 */
        .footbg-image-section_link {
            width: 90px;
            height: 80px;
			margin-left: 20px;
			cursor: pointer;
        }

        /* 第二个div：文字链接（8个，左对齐，带浮动效果） */
        .footlinks-section {
            width: 100%;
            height: 100px;
            display: flex;
            align-items: center;
            padding-left: 40px; /* 左对齐 padding */
            gap: 40px; /* 链接间距 */
        }

        .foot_line{
			margin: 0 40px;
		    height: 20px;
	        border-bottom: 1px double #4f81bc;
         }

        .footlink-item {
            text-decoration: none;
            color: #9ebef7;
            font-size: 16px;
            transition: all 0.3s ease;
            position: relative;
            padding: 5px 0;
        }

        /* 悬停浮动效果 */
        .footlink-item:hover {
            color: #fff;
            transform: translateY(-5px);
        }

        /* 下划线动画 */
        .footlink-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #4a90e2;
            transition: width 0.3s ease;
        }

        .footlink-item:hover::after {
            width: 100%;
        }

        /* 第三个div：左右布局 */
        .footinfo-section {
            width: 100%;
            height: 140px;
            display: flex;
            align-items: center;
            padding: 0 40px;
        }

        .footinfo-image {
            width: 387px;
            height: 100px; /* 需求指定高度 */
            object-fit: contain; /* 保持图片比例，不拉伸 */
        }

        .footinfo-text {
            margin-left: auto; /* 推到右侧 */
            text-align: right; /* 文字靠右对齐 */
			color: #9ebef7;
			font-size: 16px; 
			line-height: 30px;
        }

        .footinfo-text_link {
			color: #9ebef7;
			font-size: 16px; 
			line-height: 30px;
			text-decoration: none;
        }
        .footinfo-text_link:hover {
			color: #fff;
			font-size: 16px; 
			line-height: 30px;
        }
  
/* 全屏滚屏 */
        .scrolls_container {
            height: 100%;
            position: relative;
            transition: transform 0.5s ease; /* 平滑滚动过渡 */
        }

        /* 前6屏通用样式 */
        .scrolls_screen {
            height: 100vh;
            display: flex;
        }

        /* 第7屏特殊样式（内容小于整屏） */
        .scrolls_screen7 {
            min-height: auto;
            height: auto;
        }