:root {
            /*--primary-red: #c00;*/
			--primary-red: #BD1A2D;
            --secondary-red: #a00;
            --light-red: #f8e6e6;
            --gold: #ffcc00;
            --dark-gray: #333;
            --light-gray: #f5f5f5;
        }
        
        body {
            font-family: "Microsoft YaHei", sans-serif;
            margin: 0;
            padding: 0;
            color: #333;
            overflow-x: hidden;
        }
        a {
			color: var(--dark-gray);
			text-decoration: none;
		}
        /* 顶部轮播区域 */
        .hero-banner {
			width: 1920px;
            height: 688px;
            position: relative;
            overflow: hidden;
			margin: auto;
        }
        
        .carousel-item {
            height: 688px;
        }
        .h_520 {
			height: 520px;
		}
        .carousel-item img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        
        .header-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 10;
            padding: 20px 10%;
        }
        
        .logo-section {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-icon {
            font-size: 36px;
            color: white;
            margin-right: 15px;
        }
        
        .company-name {
            color: white;
            font-size: 48px;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
			letter-spacing: 2px;
        }
        
        .search-box {
            display: flex;
            width: 300px;
        }
        
        .search-box input {
            flex: 1;
            border: none;
            border-radius: 4px 0 0 4px;
            padding: 10px 15px;
        }
        
        .search-btn {
            background: var(--primary-red);
            color: white;
            border: none;
            border-radius: 0 4px 4px 0;
            padding: 10px 15px;
            cursor: pointer;
        }
        
        /* 红色区域 */
        .red-section {
            display: flex;
			justify-content: center; /* 水平居中 */
			align-items: center;     /* 垂直居中 */
			flex-direction: column;  /* 如果需要内容垂直排列，则加上这一句 */
			width: 100%;
			margin: auto;
            background: linear-gradient(to bottom, var(--primary-red) 80%, var(--secondary-red) 80%);
            position: relative;
            z-index: 5;
            padding-top: 30px;
            padding-bottom: 50px;
        }
        
        .container-custom {
            width: 1600px;
            max-width: 100%;
            margin: 0 auto;
            padding: 0 15px;
        }
        /* 导航 */
		.m_area {
		    position: absolute;
			left: 50%;
			transform: translate(-50%, -50%);
			z-index: 9999;
			padding: 0;
			margin: auto;
			width: 1897px;
			height: 95px;
			background: url(../images/nav_bk.png) center top no-repeat;
			top: 670px;
		}

        /* 导航菜单 */
        .main-nav {
            background-color: rgba(0,0,0,0.2);
            border-radius: 5px;
            padding: 10px 20px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
            clip-path: polygon(0 0, 1100px 0, 1164px 64px, 100% 64px, 100% 100%, 0 100%);
			left: 163px;
			top: 20px;
			width: 1180px;
        }
        
        .nav-menu-container {
            max-width: 1080px; /* Constrain menu items to left of slant */
            position: relative;
            z-index: 2;
        }
        
        .main-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            justify-content: space-around;
        }
        
        .main-nav ul li {
            display: inline;
        }
        
        .main-nav ul li a {
            color: white;
            text-decoration: none;
            font-size: 18px;
            padding: 8px 15px;
            transition: all 0.3s;
        }
        
        .main-nav ul li a:hover {
            background-color: rgba(255,255,255,0.2);
            border-radius: 3px;
        }
        
        /* 头条新闻 */
        .headline-news {
			display: flex;
			flex-direction: column;
            text-align: center;
            position: relative;
            padding: 30px 0;
            margin-bottom: 30px;
        }
        .headline-news a:first-child {
			text-decoration: none;
			color: white;
			transition: all 0.3s;
            flex: 1;
		}
		.headline-news a:nth-child(2) {
			text-decoration: none;
			color: #ffe6e6;
			transition: all 0.3s;
            flex: 1;
		}
		.headline-news a:hover {
            color: var(--gold);
        }
        .headline-news::before,
        .headline-news::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 1600px;
            height: 2px;
            background-color: var(--gold);
        }
        
        .headline-news::before {
            top: 0;
        }
        
        .headline-news::after {
            bottom: 0;
        }
        
        .headline-title {
            font-size: 36px;
            font-weight: bold;
            margin-bottom: 15px;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
        }
        
        .headline-summary {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* 新闻列表和轮播图区域 */
        .news-carousel-section {
            margin-top: 40px;
        }
        
        .news-list {
            background-color: rgba(255,255,255,0.1);
            padding: 20px;
            border-radius: 5px;
            height: 500px;
            width: 700px;
        }
        
        .news-item {
            padding: 12px 0;
            border-bottom: 1px dashed rgba(255,255,255,0.3);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .news-item:first-child a {
            font-size: 26px;
            font-weight: bold;
        }
        
        .news-item:first-child .summary {
            font-size: 14px;
            color: #ffe6e6;
            margin-top: 5px;
            display: block;
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-item a {
            color: white;
            text-decoration: none;
            font-size: 16px;
            transition: all 0.3s;
            flex: 1;
        }
        
        .news-item a:hover {
            color: var(--gold);
        }
        
        .news-item .date {
            color: #ccc;
            font-size: 14px;
            flex: 0 0 auto;
        }
        .col-md-5 {
            flex: 0 0 auto;
            width: 51.66666667%;
        }
        .col-md-7 {
            flex: 0 0 auto;
            width: 48.33333333%;
        }
        /* 右侧轮播图 */
        .carousel-right {
            background: rgba(0,0,0,0.3);
            border-radius: 5px;
            padding: 10px;
            height: 500px;
            width: 800px;
        }
        
        .carousel-right .carousel-item {
            position: relative;
        }
        
        .carousel-right .carousel-item img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            border-radius: 5px;
        }
        
        .carousel-caption {
            text-align: left;
            background: rgba(0,0,0,0.5);
            padding: 10px;
            border-radius: 0 0 5px  personally;
            bottom: 40px;
            left: 0;
            right: 0;
            z-index: 10;
        }
        
        .carousel-indicators {
            position: absolute;
            bottom: 10px;
            right: 20px;
            left: auto;
            width: auto;
            margin: 0;
            background: rgba(0,0,0,0.5);
            padding: 5px 10px;
            border-radius: 5px;
            z-index: 11;
        }
        
        .carousel-indicators [data-bs-target] {
            width: 30px;
            height: 12px;
            border-radius: 2px;
            background-color: white;
            text-indent: 0;
            color: white;
            font-size: 12px;
            line-height: 12px;
            text-align: center;
        }
        .container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
            max-width: 1600px;
        }
        
        /* 新增企业信息图片轮播 */
        .info-carousel-section {
            background-color: var(--light-gray);
            padding: 40px 0;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .info-carousel {
            width: 1570px;
            height: 150px;
            margin: 0 auto;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
			padding-right: 0px;
            padding-left: 0px;
        }
        
        .info-carousel .carousel-item {
            height: 150px;
        }
        
        .info-carousel .carousel-item img {
            width: 100%;
            height: 100%;
            object-fit: fill;
        }
        
        .info-carousel .carousel-caption {
            background: rgba(0,0,0,0.6);
            padding: 10px;
            border-radius: 0;
            bottom: 0;
            text-align: center;
        }
        
        /* 手风琴和通知公告、视频区域 */
        .feature-section {
            padding: 80px 0;
            background-color: white;
        }
        
        .accordion-container {
            display: flex;
            height: 445px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .accordion-panel {
            flex: 1;
            overflow: hidden;
            position: relative;
            transition: flex 0.5s ease;
            cursor: pointer;
        }
        
        .accordion-panel:hover {
            flex: 2;
        }
        
        .accordion-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .accordion-panel:hover img {
            transform: scale(1.05);
        }
        
        .accordion-title {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(192, 0, 0, 0.8);
            color: white;
            padding: 15px;
            margin: 0;
            font-size: 20px;
            text-align: center;
        }
        
        .nav-item-container {
            /*margin-top: 30px;*/
			margin-bottom: 30px;
            background-color: var(--light-gray);
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        
        .nav-item-container ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: -15px; /* 关键：负边距抵消底部间隙 */
        }
        
        .nav-item-container ul li {
            background: #F8E6E6;
            border-radius: 5px;
            overflow: hidden;
            transition: all 0.3s;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .nav-item-container ul li:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .nav-item-container ul li a:first-child {
			color: #ffffff;
		}
        .nav-item-container ul li:not(:first-child) a {
            display: flex;
			justify-content: center;
			align-items: center;
			gap: 15px;
            color: var(--primary-red);
            text-decoration: none;
            font-size: 16px;
            /*font-weight: bold;*/
            transition: all 0.3s;
			margin: 0;
        }

		.nav-item-container ul li a:first-child:hover {
			color: var(--primary-red);
			background: var(--light-red);
		}
 
		.nav-item-container ul li:not(:first-child) a:hover {
			color: var(--primary-red);
			background: var(--primary-red); 
		}      

        
        .notice-video-section {
            padding-left: 30px;
        }
        
        .notice-board, .video-show {
            background-color: var(--light-gray);
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        
        .section-title {
            border-left: 4px solid var(--primary-red);
            padding-left: 15px;
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark-gray);
        }
        
        .notice-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .notice-list li {
            padding: 12px 0;
            border-bottom: 1px dashed #ddd;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .notice-list li:last-child {
            border-bottom: none;
        }
        
        .notice-list li a {
            color: #333;
            text-decoration: none;
            display: block;
            transition: all 0.3s;
            flex: 1;
        }
        
        .notice-list li a:hover {
            color: var(--primary-red);
            transform: translateX(5px);
        }
        
        .notice-list li .date {
            color: #999;
            font-size: 14px;
            flex: 0 0 auto;
        }
        
        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            border-radius: 8px;
            overflow: hidden;
            background-color: #000;
        }
        
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        
        /*手风琴下部*/
        .suggestions_cont{padding-top: 20px;}
        .suggestions_cont li{float: left;width:320px;height: 143.46px;margin-right: 2px;margin-bottom: 2px;background: #f6f6f6;}
        .suggestions_cont li.sugg1{background:var(--primary-red);}
        .suggestions_cont li a{
			display: flex;
			justify-content: center;
			align-items: center;
			gap: 15px;
			width:320px;
			height: 143.46px;}
        .suggestions_cont li{background: #dcdcdc;}
        .suggestions_cont li p{
			color:var(--primary-red);
			/*padding:10px 10px 0;*/
			font-size:28px;
			float: left;
			/*font-weight: bold;*/
			/*width:180px;*/
			-webkit-transition: all 0.3s;
			transition: all 0.3s;
			margin: 0;
		}
        .suggestions_cont li.sugg1 p{color:#fff;}
        .suggestions_cont li span{display: block;width:20%;height: 143.46px;background-image: url(../images/ico_index_ch_20191024.png); background-repeat: no-repeat;}
        .suggestions_cont li.sugg1 span{background-position: 0 0;}
        .suggestions_cont li.sugg2 span{background-position: -170px 0;}
        .suggestions_cont li.sugg3 span{background-position: -340px 0;}
        .suggestions_cont li.sugg4 span{background-position: -510px 0;}
        .suggestions_cont li.sugg5 span{background-position: -680px 0;}
        .suggestions_cont li.sugg6 span{background-position: -850px 0;}
        .suggestions_cont li:hover{background:var(--primary-red);-webkit-transition: all 0.3s;transition: all 0.3s;}
        .suggestions_cont li span{-webkit-transition: all 0.3s;transition: all 0.3s;font-size:36px;}
        .suggestions_cont li:hover p{color:#fff;}
		.suggestions_cont li:first-child:hover p {
			color: var(--primary-red);
		}
        .suggestions_cont li.sugg1:hover span{background-position: 0 -100.46px;}
        .suggestions_cont li.sugg2:hover span{color:#ffffff;background-position: -170px -100.46px;}
        .suggestions_cont li.sugg3:hover span{color:#ffffff;background-position: -340px -100.46px;}
        .suggestions_cont li.sugg4:hover span{color:#ffffff;background-position: -510px -100.46px;}
        .suggestions_cont li.sugg5:hover span{color:#ffffff;background-position: -680px -100.46px;}
        .suggestions_cont li.sugg6:hover span{color:#ffffff;background-position: -850px -100.46px;}
        /* 四个栏目 */
        .four-columns {
            background-color: var(--light-gray);
            padding: 60px 0;
        }
        
        .column {
            padding: 0 15px;
            margin-bottom: 30px;
        }
        
        .column-box {
            background: white;
            border-radius: 8px;
            padding: 25px;
            height: 100%;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }
        
        .column-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        
        .column-title {
            color: var(--primary-red);
            border-bottom: 2px solid var(--primary-red);
            padding-bottom: 12px;
            font-size: 22px;
            margin-bottom: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .column-title a {
			color: var(--primary-red);
		}
        .column-title i {
            color: var(--primary-red);
            font-size: 24px;
        }
        
        .column-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .column-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .column-list li:last-child {
            border-bottom: none;
        }
        
        .column-list li a {
            color: #555;
            text-decoration: none;
            display: block;
            transition: all 0.3s;
            flex: 1;
        }
        
        .column-list li a:hover {
            color: var(--primary-red);
        }
        
        .column-list li .date {
            color: #999;
            font-size: 14px;
            flex: 0 0 auto;
        }
        
        /* 图片滚动区域 */
        .image-scroll-section {
            padding: 60px 0;
            background: #f5f5f5;
            overflow: hidden;
        }
        
        .image-scroll-container {
            width: 1600px;
            max-width: 100%;
            margin: 0 auto;
            padding: 15px 0;
            overflow: hidden;
            position: relative;
        }
        
        .image-scroll-inner {
            display: flex;
            animation: scroll 30s linear infinite;
            width: max-content;
        }
        
        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }
        
        .image-scroll-section:hover .image-scroll-inner {
            animation-play-state: paused;
        }
        
        .scroll-image {
            flex: 0 0 auto;
            width: 320px;
            height: 200px;
            margin-right: 15px;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }
        
        .scroll-image:hover {
            transform: scale(1.05);
            z-index: 10;
        }
        
        .scroll-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .scroll-image .caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0,0,0,0.7);
            color: white;
            padding: 10px;
            font-size: 14px;
            text-align: center;
        }
        
        /* 页尾 */
        .footer {
            background: linear-gradient(to bottom, var(--primary-red) 80%, var(--secondary-red) 80%);
            color: #fff;
            padding: 50px 0 20px;
        }
        
        .footer-links h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gold);
            display: inline-block;
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-links ul li {
            margin-bottom: 12px;
        }
        
        .footer-links ul li a {
            color: #ccc;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .footer-links ul li a:hover {
            color: #fff;
            padding-left: 5px;
        }
        
        .contact-info li {
            display: flex;
            align-items: center;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--gold);
            width: 20px;
        }
        
        .friend-links {
            margin-top: 0px;
        }
        
        .friend-links select {
            width: 100%;
            padding: 10px;
            /*background: #444;*/
            color: black;
            border: 1px solid #555;
            border-radius: 4px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #ffcc00;
            margin-top: 30px;
            color: #ccc;
            font-size: 14px;
        }
        
        /* 响应式调整 */
        @media (max-width: 1200px) {
            .container-custom {
                width: 100%;
            }
            
            .red-section {
                height: auto;
                padding-top: 20px;
                padding-bottom: 50px;
            }
            
            .info-carousel {
                width: 100%;
                max-width: 1580px;
            }
            
            .accordion-container {
                height: 500px;
            }
            
            .image-scroll-container {
                width: 100%;
            }
            
            .nav-item-container ul {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .main-nav {
                clip-path: polygon(0 0, 900px 0, 964px 64px, 100% 64px, 100% 100%, 0 100%);
            }
            
            .nav-menu-container {
                max-width: 880px;
            }
        }
        
        @media (max-width: 992px) {
            .notice-video-section {
                padding-left: 0;
                margin-top: 30px;
            }
            
            .four-columns .col-lg-3 {
                flex: 0 0 50%;
                max-width: 50%;
            }
            
            .accordion-container {
                height: 400px;
            }
            
            .news-list {
                width: 100%;
            }
            
            .carousel-right {
                width: 100%;
            }
            
            .nav-item-container ul {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .main-nav {
                clip-path: polygon(0 0, 700px 0, 764px 64px, 100% 64px, 100% 100%, 0 100%);
            }
            
            .nav-menu-container {
                max-width: 680px;
            }
        }
        
        @media (max-width: 768px) {
            .header-overlay {
                padding: 15px 5%;
            }
            
            .logo-section {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .search-box {
                width: 100%;
                margin-top: 15px;
            }
            
            .main-nav ul {
                flex-wrap: wrap;
            }
            
            .main-nav ul li {
                margin: 5px;
            }
            
            .four-columns .col-lg-3 {
                flex: 0 0 100%;
                max-width: 100%;
            }
            
            .accordion-container {
                height: 250px;
            }
            
            .news-list {
                height: auto;
            }
            
            .carousel-right {
                height: auto;
            }
            
            .headline-news::before,
            .headline-news::after {
                width: 100%;
            }
            
            .scroll-image {
                width: 280px;
                height: 180px;
            }
            
            .nav-item-container ul {
                grid-template-columns: 1fr;
            }
            
            .main-nav {
                clip-path: polygon(0 0, 90% 0, 100% 64px, 100% 100%, 0 100%);
            }
            
            .nav-menu-container {
                max-width: 100%;
            }
        }