* { margin: 0; padding: 0; box-sizing: border-box; font-family: "Microsoft YaHei", sans-serif; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        button, .btn { cursor: pointer; border: none; outline: none; }
		.ti{text-align: center; margin: 20px auto;}
        .ti  h3{ font-size: 24px; color: #333; font-weight: normal; }
		.line{width: 30px; margin: 10px 0; height: 3px; background-color: #006599;}
		.line-center{width: 30px; margin: 8px auto; height: 3px; background-color: #006599;}
        .ti h4{ display: block; font-size: 18px; color: #999; margin-top: 5px;font-weight: normal; }
        /* 导航栏 */
        .top-nav { background: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0; height: 40px; font-size: 14px; color: #333; line-height: 40px;  }
        .nav-left ul { display: flex; gap: 30px; }
        .nav-left li.active { color: #0066cc; font-weight: bold; }
        .nav-right { display: flex; align-items: center; gap: 20px; }
        .nav-right .login-btn { color: #666; }
        .nav-right .expert-entrance { background: #0066cc; color: #fff; padding: 4px 10px; border-radius: 3px; }
		/* 主导航 */
		.main-nav{ background: linear-gradient(0deg,#006699, #2d94c8); display:flex;justify-content:center;gap:0;}	
		.main-nav ul{ border-left: 1px solid #2c93c7; border-right: 1px solid #006699;display:flex;justify-content:center;gap:0;}
        .main-nav li{display:block;padding:18px 0px;color:#fff;text-decoration:none;font-size:18px; border-left: 1px solid #006699; border-right: 1px solid #2c93c7; width: 150px; text-align: center;}
        .main-nav li.active{background:#004c99;}
        /* 头部横幅 */
        .banner { background: url("img/banner.png?t=4") no-repeat center top; background-size: cover; width: 100%; color: #fff; text-align: center;  position: relative; overflow: hidden; }
        .banner-btns { display: flex; justify-content: center; gap: 0; margin-top: 526px; margin-bottom: 30px; position: relative; z-index: 1;gap: 20px; height: 60px;relative; width: 50%;margin-left: 25%; }
        .banner-btn { border-radius: 15px;background: rgb(255, 255, 255,0.8);  color: #333; font-size: 20px; border: none; display: flex; align-items: center; justify-content: center; width: 33.333333333333%; gap: 8px; overflow: hidden;  }
        .banner-btn .icon {  display: flex; align-items: center; justify-content: center;  }
		.banner-btn .icon img{width:35px; margin-right: 5px;}
		.banner-btn:hover{background-color: #006599; color: #fff;}
		.banner-btn:hover .icon img{ filter: brightness(0%) invert(100%);}
        

        /* 主体容器 */
        .container { max-width: 1200px; margin: 0 auto;  }

        /* 赛事专区 */
		.lma{width: 100%;  background: linear-gradient(0deg, #f2f2f2 40%, #fff 25%); margin-top: 40px; padding-bottom: 20px; }
        .event-zone{display:flex;gap:40px;align-items: flex-end;flex-wrap:wrap;justify-content:center;}
		.countdown-card{background:#e9eff6;padding:53px 50px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,0.1);min-width:200px;border: 5px solid #fff; margin-top: -80px; height: 317px; }
        .countdown-card h4{font-size:30px;margin-bottom:15px;}
        .countdown-card .num{font-size:80px;color:#0058b8;font-weight:bold;}
        .countdown-card .unit{font-size:20px;color:#333;}
        .event-list{display:flex;gap:20px;flex:1;min-width:300px;align-items: flex-end;}
        .event-item{flex:1;border:1px solid #eee; max-height: 317px; overflow: hidden;}
        .event-item .head{background:#006699;color:#fff;padding:8px;text-align:center;font-size:17px;}
        .event-item .content{padding:15px;font-size:14px;line-height:1.6;color:#666; background-color: #fff;}
        

        /* 会议专区 */
		.lmb{width: 100%;  margin-top: 20px; }
        .conference-section { margin-bottom: 60px; }
		
        .conference-list { display: flex; gap: 18px; flex-wrap: wrap; }
        .conference-card { background: #fff; border: 1px solid #dfdfdf; width: calc(25% - 14px); min-width: 250px; overflow: hidden; }
        .conference-card .card-img { height: 150px; background: linear-gradient(180deg, #0056b3 0%, #00a3e0 100%); display: flex;  }
		.conference-card .card-img img{width: 100%;}
		.conference-list a:hover{ box-shadow: 0 2px 10px rgba(0,0,0,0.3);}
        .conference-card .card-content { padding: 15px; }
        .conference-card .date { font-size: 14px; color: #666; margin-bottom: 0px; }
        .conference-card .name { font-size: 16px; color: #333; margin-bottom: 10px; font-weight: bold; line-height: 30px; }
        .conference-card .info { font-size: 14px; color: #666; line-height: 1.5; }

        /* 展览专区 */
		.lmc{width: 100%;  background: #f2f2f2; margin-top: 40px; padding: 1px 0 20px; }
		.lmc .ibox{overflow:hidden;}
		
		.lmc .ibox img{width: 100%; transition: all 0.5s; -webkit-transform:all 0.5s; -moz-transform:all 0.5s;-ms-transform:all 0.5s;-o-transform:all 0.5s}
		.lmc .ibox:hover img{transform:scale(1.1)}
        /* 页脚 */
        footer {  padding: 20px; text-align: center; font-size: 14px; color: #666; line-height: 1.6; }
        /* 响应式适配 */
        @media (max-width: 992px) {
            .conference-card, .exhibition-card { width: calc(50% - 10px); }
			 .main-nav li{width: 100px;font-size:16px;}
			 .countdown-card{margin-top: 0; padding: 53px 40px;}
			 .event-zone{gap: 20px;}
			 .event-item .content{height: 317px;}
        }
		@media (max-width: 768px) {
			.banner-btns{width: 80%; margin-left: 10%;gap: 8px;}
		    .nav-left ul{gap:10px}
			.article-item { flex-direction: column; align-items: flex-start; }			
			.countdown-card{ padding: 53px 20px;}
			.event-zone{gap: 10px;}
			.event-item .content{padding: 10px 5px 0;}
			 .main-nav li{width: 80px;font-size:15px;}
			 .event-list{min-width:400px}
		}
        @media (max-width: 540px) {
            .event-section { flex-direction: column; align-items: center; }
            .countdown-card { margin-bottom: 30px; }
            .conference-card, .exhibition-card { width: 100%; }
			.banner-btns {width: 90%; margin-left: 5%;}
			.nav-right{display: none;}
			.article-item .img { width: 100%; height: 180px; }
			.main-nav li{width: 50px;font-size:14px;}
        }
/* 内页 */
	/* 面包屑 */
	.crumb { padding: 12px 10px; font-size: 12px; color: #999; background: #f8f9fa; }
	.crumb a { color: #666; text-decoration: none; }
	
	/* 标题区 */
	.page-title { text-align: center; padding: 20px 5% 30px; }
	.page-title h2 { font-size: 22px; color: #333; margin-bottom: 8px; }
	.page-title p { font-size: 14px; color: #999; }
	
	/* 文章列表 */
	.article-list { padding: 0 5% 60px; max-width: 1200px; margin: 0 auto; }
	.article-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px dashed #eee; align-items: center; flex-wrap: wrap; }
	.article-item .img { width: 180px; height: 120px; background: #f1f5fa; border-radius: 4px; flex-shrink: 0; background-size: cover; background-position: center; }
	.article-item .info { flex: 1; min-width: 250px; }
	.article-item .info h3 { font-size: 16px; color: #333; margin-bottom: 8px; font-weight: normal; }
	.article-item .info h3 a { color: #333; text-decoration: none; }
	.article-item .info h3 a:hover { color: #0066cc; }
	.article-item .info .desc { font-size: 12px; color: #999; line-height: 1.6; margin-bottom: 8px; }
	.article-item .info .meta { font-size: 12px; color: #ccc; }
	/* 图片网格 */
	.gallery { padding: 0 5% 60px; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; max-width: 1400px; margin: 0 auto; }
	.gallery-item { border-radius: 6px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
	.gallery-item img { width: 100%; height: 200px; object-fit: cover; display: block; }
	.gallery-item .title { padding: 12px; font-size: 12px; color: #333; text-align: center; background: #fff; }
	
	/* 分页 */
	.pagination { display: flex; justify-content: center; gap: 8px; padding: 40px 0; }
	.pagination a { padding: 6px 12px; border: 1px solid #eee; font-size: 12px; color: #666; text-decoration: none; border-radius: 3px; }
	.pagination a.active { background: #0066cc; color: #fff; border-color: #0066cc; }
	/* 文章头部 */
	.article-header { padding: 30px 5%; text-align: center; max-width: 900px; margin: 0 auto; }
	.article-header h1 { font-size: 24px; color: #333; margin-bottom: 15px; line-height: 1.4; }
	.article-header .meta { font-size: 12px; color: #999; }
	
	/* 文章内容 */
	.article-content { max-width: 900px; margin: 0 auto; padding: 0 5% 60px; font-size: 14px; line-height: 1.8; color: #444; }
	.article-content p { margin-bottom: 18px; text-align: justify; }
	.article-content img { max-width: 100%; border-radius: 6px; margin: 10px 0 20px; }
	.article-content h2 { font-size: 18px; color: #333; margin: 30px 0 15px; padding-left: 10px; border-left: 3px solid #0066cc; }
	
	/* 上下篇 */
	.article-nav { padding: 20px 5%; border-top: 1px solid #eee; max-width: 900px; margin: 0 auto; font-size: 12px; color: #666; }
	.article-nav a { color: #0066cc; text-decoration: none; }

	   .bg{background: url("img/top-bg.jpg") no-repeat center top; padding-top: 50px;}
	   .box{background-color: #fff; width: 1000px; margin: 0 auto;box-shadow: 0 5px 10px rgba(0,0,0,0.1);}