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


        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
			font-size: 16px;
        }
a{text-decoration: none}
a:visited{text-decoration: none;border: none;}
a:active{text-decoration: none;}
        /* 页面基础样式 */
        body {
            background-color: #fff;
            line-height: 1.6;
            color: #333;
        }

        /* 容器：100%宽度，中间内容区1200px居中 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .top-login{background: #0a8276; text-align: right; color: #fff;padding: 10px;}
        .top-login a{margin-right: 15px;color: #fff;}
        /* 头部Banner */
        .banner {
            width: 100%;
            background: url('/images/infineon-seminar/banner-bg.jpg') no-repeat center #0a8278;
      
            background-size: cover;
            background-position: center;
			height: 400px;
        }
        .banner-logo {
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        .banner-slogan {
            font-size: 28px;
            font-weight: 500;
        }

        /* 主内容区 */
        .main-content {
            padding: 40px 0;
        }
        .content-wrap {
            display: flex;
            gap: 30px;
            margin-bottom: 45px;
        }
        .text-section {
            flex: 3;
        }
        .info-section {
            flex: 1;
            background-color: #0a8276;
            color: white;
            padding: 35px;           
            align-self: stretch;
        }
        .main-title {
            font-size: 44px;
            font-weight: bold;
            color: #000;
            margin: 15px  0 50px;
            line-height: 1.3;
        }
        .intro-text {
            
            color: #333;
            margin-bottom: 20px;
        }
        .agenda-title {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #000;
        }
        .agenda-list {
            list-style: none;
            padding-left: 0;            
        }
        .agenda-list li {
            margin-top: 8px;
            padding-left: 15px;
            position: relative;
        }
        .agenda-list li::before {
            content: "●";
            color: #00897b;
            position: absolute;
            left: 0;
            top: 0;
        }
        .info-title {
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 50px;            
        }
        .info-item {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .btn-register {
            display: block;            
            height: 42px;
            line-height: 42px;
            background-color: white;
            color: #00897b;
            text-align: center;
            border-radius: 4px;
            text-decoration: none;
            font-size: 16px;
            font-weight: bold;
            margin: 50px auto 0;
        }
		.btn-register:hover {
		background: #e1faf7;
		}

        /* 讲师区域 */
        .speaker-section {
            background-color: #f7f7f7;
            padding: 25px;           
            display: flex;
            align-items: center;
            gap: 20px;    
			margin-bottom: 20px;
        }
        .speaker-avatar {
            width: 216px;
            height: 216px;
            border-radius: 50%;
            background-color: #0a8276;
            overflow: hidden;
            flex-shrink: 0;
        }
        .speaker-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .speaker-info h3 {
            font-size: 20px;
            font-weight: bold;           
        }
        .speaker-position {            
            color: #666;
            margin: 10px 0;
        }
        .speaker-bio {           
            color: #333;           
        }

        /* 技术资源区 */
		.resource-box{background: #f7f7f7;padding: 40px 0 ;}
        .resource-section {
            margin-bottom: 40px;
        }
        .resource-title {
            font-size:40px;
            font-weight: bold;
            text-align: center;
            margin-bottom: 40px;
            color: #000;
        }
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }
        .resource-grid.row-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .resource-card {
            background-color: white;            
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .resource-card-img {
            width: 100%;
            height: 227px;
            overflow: hidden;
        }
        .resource-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .resource-card-title {
            padding:20px 15px;            
            color: #333;
            text-align: center;
        }

        /* 活动区域 */
        .activity-section {
            width: 100%;
            background-color: #0a8276;
            padding: 40px 0;
            color: white;
        }
        .activity-title {
            font-size:40px;
            font-weight: bold;
            text-align: center;
            margin-bottom:40px;
        }
        .activity-desc {           
            text-align: center;
            margin-bottom: 30px;
            padding: 0 20px;
        }
        .activity-wrap {
            display: flex;           
        }
        .activity-steps {
            flex: 2;
            display: flex;
            flex-direction: column;
            gap: 10px;
			margin-right: 20px;
        }
        .step-item {
            background-color: rgba(255,255,255,0.1);
            padding: 15px 20px;
            border-radius: 4px;
           
        }
        .step-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 10px;
        }
		.step-about{
		  margin-bottom: 10px;
		}
        .step-btn-group {
           margin-top: 8px;    
           display: inline-block;
        }
        .step-btn {
            padding: 8px 20px;
            border: none;
            border-radius: 4px; 
            cursor: pointer;
        }
        .step-btn.white {
            background-color: white;
            color: #00897b;
        }
		.step-btn.white:hover{
		  background: #e1faf7;
		}
        .step-btn.purple {
            background-color: #9c27b0;
            color: white;
        }
        .step-btn.blue {
            background-color: #1565c0;
            color: white;
        }
        .gift-section {
            flex: 2;
            background-color: rgba(255,255,255,0.9);
            color: #333;
            padding:10px 0 5px;
            border-radius: 8px;
            text-align: center;
			display: flex;
    justify-content: space-around;
        }
        .gift-title {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 8px;
        }
        .gift-desc {            
            margin-bottom: 10px;
        }
        .gift-icon {
            width: 179px;
            height: 153px;
            margin: 0 auto;
        }
        .gift-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        #email_form{text-align: center;    padding: 30px 20px;}
        #email_form input{height: 30px;  width: 200px; border: 1px solid #afafaf;}
        .reg-success{font-size: 18px; margin: 25px 0 30px; text-align: center; background: #f98048; box-shadow: 10px 10px 10px #156c64;  color: #fff; padding: 15px;}
        .reg-success a{background: #d74e0f; color: #fff; padding: 2px 8px;border-radius: 4px; font-size: 18px;}
        .reg-success a:hover{background: #f15710;color: #fff;}
        
         /* 缩略图容器 */
        .thumbnails {
           text-align: center;           
           
        }

        /* 缩略图样式 */
        .thumbnail {
            width: 150px;
            height: 100px;
            object-fit: cover;
            cursor: pointer;
            border: 3px solid transparent;
            transition: 0.3s;
            border-radius: 6px;
        }

        .thumbnail:hover {
            border-color: #409eff;
            transform: scale(1.05);
        }

        /* 大图遮罩层（默认隐藏） */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 999;
            justify-content: center;
            align-items: center;
        }

        /* 显示大图 */
        .modal:target {
            display: flex;
        }

        /* 大图样式 */
        .modal-img {
            max-width: 90%;
            max-height: 90%;
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
        }

        /* 关闭按钮 */
        .close {
            position: absolute;
            top: 20px;
            right: 30px;
            color: white;
            font-size: 40px;
            text-decoration: none;
            cursor: pointer;
            transition: 0.3s;
        }

        .close:hover {
            color: #ff4444;
            transform: rotate(90deg);
        }
        /* 响应式适配 */
        @media (max-width: 992px) {
		     .banner{height: 220px;}
			 .main-content{padding: 0px 0;}
			 .main-title{margin:20px 0 20px;}			 
            .content-wrap {
                flex-direction: column;
				margin-bottom: 20px;
            }
			.resource-box{padding: 20px 0 0;}
			.resource-title{font-size: 32px; margin-bottom: 20px;}
			.activity-section{padding: 20px 0;}
			.activity-title{margin-bottom: 20px;}
            .info-section {
                width: 100%;
				padding: 20px;
            }
			.info-title{
			  margin-bottom: 20px;
			}
			.info-item{
			  margin-bottom: 0px;
			}
			.btn-register{
			  margin-top: 20px;
			}
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-grid.row-2 {
                grid-template-columns: 1fr;
            }
            .activity-wrap {
                flex-direction: column;
            }
            .main-title {
                font-size: 24px;
            }
			.gift-section{display: block; margin-top: 10px;}
        }
        @media (max-width: 768px) {
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .speaker-section {
                flex-direction: column;
                text-align: center;
            }
			.activity-steps{margin-right: 0;}
      .thumbnails{margin-top: 20px;}
      .step-item{display: block;}
        }