@charset "utf-8";
/* CSS Document */
@font-face{
	font-family:'myFont';
	src: url('SourceHanSansSC-Regular.otf') format('truetype');
}

@font-face{
	font-family:'myFont2';
	src:url('SourceHanSansSC-Bold.otf') format('truetype');
}


body{ overflow-x:hidden;font-family:'myFont';}

a{text-decoration: none;}
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family:'myFont';
            font-size: 16px;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.5;
            
        }
        /* 全局居中容器，最大宽度1200px */
        .container {
            
            max-width: 1200px;           
            padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
        }

        /* 顶部导航 */
        .top-nav-box{width: 100%; background: #fff;border-bottom: 1px solid #f4f4f4;}
        .top-nav {
            padding: 26px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .infineon-logo {
            height: 40px;
        }
        .nav-login {            
            
        }
        .nav-login a {
            margin-left: 12px;
            cursor: pointer;
            color: #000;
        }
        .nav-login a:hover {
            color: #0A8276;
        }

        /* 首屏Banner */
        .banner-top {
            background: url(/images/infineon-power/banner-bg.jpg) no-repeat center; height: 318px;
            position: relative;
            overflow: hidden;
        }

        
        .banner-text-wrap h1 {
            font-size: 32px;
            line-height: 1.4;
            margin:40px 0 30px;
            font-weight: 600;
            color: #fff;
        }
        .download-btn {
            background-color: #fff;
            color: #0A8276;
            border: none;
            padding:14px 40px;           
            font-weight: bold;
            cursor: pointer;
            display: inline-block;
            align-items: center;
            gap: 8px;
        }
        
        
        .banner-book-img {
            width: 320px;
        }

        /* 介绍图文模块 */
        .intro-section {
            padding: 50px 0;
        }
        .intro-wrap {
            background:url(/images/infineon-power/img-left.jpg) no-repeat left center #fff;
        }        
        .intro-text {
            margin: 35px 35px 35px 300px;
            display: inline-block;
        }
        .intro-text p {
            margin-bottom: 16px;            
        }
        .intro-text .download-btn {
            margin-top: 20px;
            background-color: #0A8276;
            color: #fff;
            font-size: 18px;
        }
       .intro-text .download-btn:hover{background: #08665c;}

        /* 内容预览三栏模块 */
        .preview-section {
            padding-bottom: 50px;
        }
        .section-main-title {
            font-size: 32px;
            text-align: center;
            margin-bottom: 35px;
            font-weight: 600;
        }
        .preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .preview-card {
            background-color: #fff;
            box-shadow: 0 1px 6px rgba(0,0,0,0.06);
        }
        .preview-card h3 {
            font-size: 20px;            
            color: #fff;
            background: url(/images/infineon-power/icon-1.jpg) no-repeat right #0A8276;
            height: 48px; line-height: 48px;padding-left: 30px;
        }
        .preview-card ul {
            list-style: none;
            padding: 20px 30px;
        }
        .preview-card li {            
            margin-bottom: 6px;
            padding-left: 30px;
            position: relative;
        }
        .preview-card li::before {
            content: "";
            position: absolute;
            left: 0;
            color: #0A8276;
            width: 15px;height: 2px;background: #0A8276;top: 12px;
        }

        /* 精彩活动模块 */
        .activity-section {
            padding-bottom: 50px;
        }
        .activity-desc {            
            margin: 10px 0;
        }
        .activity-desc b{color: #0A8276;}
        .activity-desc span{font-size: 20px;margin-top: 10px;display: block;}
        .gift-box{display: flex;}
        .gift-card {           
            margin-left: auto;
            margin-bottom: 15px;
        }
        /* 活动步骤 */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 12px;            
        }
        .step-item {
            display: flex;
            align-items: center;
            background-color: #e8f4f3;
            height: 76px;
        }
        .step-tag {
            background-color: #0A8276;
            color: #fff;
            padding: 10px 40px;
            font-weight: bold;
            white-space: nowrap;
            height: 100%;
            display: flex;
    align-items: center;
    font-size: 20px;
            
        }
        .step-text {
            flex: 1;
            padding: 0 20px;            
        }
        .step-text a{color:  #0A8276;}
        .step-text a:hover{text-decoration: underline;}
        .step-btn-group {
            display: flex;
            gap: 10px;
            padding-right: 20px;
        }
        .step-btn {
            background-color: #0A8276;
            color: #fff;
            border: none;
            padding: 10px 22px;
            cursor: pointer;
        }
        .step-btn:hover{background: #08665c;}
        /* 试题区域 */
        .quiz-wrap {
            background-color: #fff;
            padding: 25px;
        }
        .quiz-item {
            margin-bottom: 26px;
        }
        .quiz-title {            
            margin-bottom: 12px;
            font-weight: bold;
        }
        .quiz-option-list {
            list-style: none;
            padding-left: 10px;
        }
        .quiz-option-list li {            
            margin-bottom: 7px;
        }
        .quiz-option-list li input{margin-right: 10px;}
        .submit-quiz-btn {
            display: block;
            margin: 30px auto 0;
            background-color: #0A8276;
            color: #fff;
            border: none;
            padding: 14px 40px;            
            cursor: pointer;
            font-size: 18px;
        }
        .submit-quiz-btn:hover{background: #08665c;}
        /* 底部栏 */
        .footer-bar {
            background-color: #0A8276;           
            text-align: right;
        }
        .footer-logo {
            width: 120px;
            margin: 20px 0;
        }
        .banner-mob{display: none;}
#email_form{padding: 20px;}
.layui-layer-btn .layui-layer-btn0{border-color: #0A8276!important;background-color: #0A8276!important;}
.p-already{
	text-align: center;
    padding: 50px 20px;
    font-size: 20px;
    font-weight: 600;
    color: #0A8276;
}

.p-already a{
	color: #fff !important;    
    background: #0A8276;
    padding: 2px 8px;
    font-size: 20px;
}
.p-already a:hover{background: #08665c;}

        /* 响应式适配 */
        @media (max-width: 992px) {
           *{font-size: 15px;}
            .container{margin: 0 ;}
            .banner-top .container, .intro-wrap {
                flex-direction: column;
                text-align: center;
            }
            .banner-book-img, .intro-left-img {
                width: 100%;
                max-width: 300px;
            }
            .preview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-wrap{background: #fff;}
            .intro-text{margin: 20px;text-align: left;}
            .section-main-title{font-size: 26px;margin-bottom: 30px;}
            .intro-section{padding:20px 0;}
            .banner-mob{display: block;}
            .banner-mob img{width: 100%;}
            .banner-text-wrap{display: none;}
            .banner-top{background: none; height: auto;}
            .activity-section{padding-bottom: 30px}
            .footer-logo { width: 100px;}
            }
        @media (max-width: 768px) {
            .preview-grid {
                grid-template-columns: 1fr;
            }
            .step-item {
                flex-direction: column;
                align-items: flex-start;
                height: auto;padding-bottom: 10px;
            }
            .step-tag{padding: 6px 40px;font-size:16px;margin-bottom: 8px;}
            .step-btn-group {
                padding: 10px 20px;
                width: 100%;
                justify-content: flex-start;
            }
            .top-nav{padding: 20px 15px;}
            .banner-text-wrap h1 {
                font-size: 22px;
            }
            .gift-box{display: inline-block;}
            .quiz-option-list{padding-left: 0;}
            .intro-text .download-btn{margin-top: 0;}
        }