.font-white{color:#fff;}
.font-black{color:#333;}
.font-center{text-align: center;}
.title-box h1{font-size: 48px; line-height: 72px; padding:160px 0 20px 0; font-weight: 600;}
.title-box p{line-height: 36px; font-size: 24px; padding:0 0 40px;}
.section{position: relative; width: 100%; height: 1200px;}
/*
.section .transi-up{opacity: 0; -webkit-transform: translate3d(0,30px,0); -moz-transform: translate3d(0,30px,0); transform: translate3d(0,30px,0);}
.section.is-visible .transi-up{opacity: 1; -webkit-transition: opacity .8s; -moz-transition: opacity .8s; transition: opacity .8s; -webkit-transform: translateZ(0); -moz-transform: translateZ(0); transform: translateZ(0);}
*/


.product-banner{position: relative; height: 1000px; overflow: hidden; background: url('../images/nocardkey_switch_banner.jpg') center no-repeat #cfd8e1;}
.product-banner .wrap{height: 100%; position: relative;}
.product-banner .title-box {width: 100%; color:#282828; height: 1000px; display: table-cell; vertical-align: middle;}
.product-banner .title-box h1{padding:0;}
.product-banner .title-box .curve{background: #00a0e9; padding:6px 10px; margin:0 0 0 10px; color: #fff; border-radius: 10px;}
.product-banner .title-box p{color:#282828;}
.product-banner .title-box .fun{ line-height: 28px; font-size: 14px; color:#b2b2b2;}
.product-main-content{position: relative; overflow: hidden; box-sizing: border-box;}


.section_saving{height: 1200px; background-color: #000;}
.section_saving .img-power{width: 1200px; height: 614px; margin:60px auto 0; background-image: url('../images/index_nocardkey_saving.jpg'); background-position: center; background-size: cover;}
.section_saving .font{width: 1200px; margin:0 auto; line-height: 60px; overflow: hidden;}
.section_saving .font span{float: left; width: 50%; color:#fff; font-size: 24px; font-weight: 600; text-align: center;}


.section_sense{position: relative; height: 1000px; overflow: hidden; background: url('../images/index_nocardkey_sense_bg.jpg') center no-repeat #fff; background-size: cover;}

.section_install{height: 1200px; background-color: #fff;}
.section_install .img-reform{width: 1200px; height: 640px; margin:100px auto 0; background-image: url('../images/index_nocardkey_install.jpg'); background-position: center; background-size: cover;}


.section_futuretrends{position: relative; height: 1000px; overflow: hidden; background: url('../images/index_nocardkey_futuretrends_bg.jpg') center no-repeat #000; background-size: cover;}