/* books 0.1.0 */
@font-face{font-family:'Helvetica Neue Condensed';src:url("../fonts/helvetica-neue-cond/helvetica-neue-ltpro-cn.woff") format('woff');font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:'Helvetica Neue Condensed';src:url("../fonts/helvetica-neue-cond/helvetica-neue-ltpro-mdcn.woff") format('woff');font-weight:500;font-style:normal;font-display:swap}@font-face{font-family:'Helvetica Neue Condensed';src:url("../fonts/helvetica-neue-cond/helvetica-neue-ltpro-bdcn.woff") format('woff');font-weight:600;font-style:normal;font-display:swap}.book-container{margin:0 auto;font-family:'Helvetica Neue Condensed',sans-serif;font-size:18px;font-weight:500;line-height:26px;letter-spacing:.05em;color:#4b4b4a;overflow:hidden}@media (min-width:640px){.book-container{font-size:20px;line-height:30px}}.book-container a{color:#000}.book-container a:hover{opacity:.5;-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";filter:alpha(opacity=50)}.book-container p{margin-bottom:26px}.book-container ul{list-style:none;margin:0;padding:0}.book-container h1,.book-container h2,.book-container h3,.book-container h4,.book-container h5,.book-container h6{font-family:'Helvetica Neue Condensed',sans-serif;font-weight:600;color:#000}.book-container b,.book-container strong{font-weight:600}.book-container table th,.book-container table td{padding:6px}.book-container blockquote{margin:0 0 1em;padding:0;border:0}.book-title{position:relative;z-index:10;font-size:25px;font-weight:600;text-align:center;padding:.75rem 0 .25rem;color:#353b67;background-image:url("../images/nauc-se-to/bg-title.jpg");background-repeat:no-repeat;background-position:center center;-webkit-background-size:cover;-moz-background-size:cover;background-size:cover;text-transform:uppercase}.book-title:after{content:'';display:block;position:absolute;top:100%;left:10%;right:10%;height:4px;background:-webkit-linear-gradient(left, #fff, #b1b1b1, #fff);background:-moz-linear-gradient(left, #fff, #b1b1b1, #fff);background:-o-linear-gradient(left, #fff, #b1b1b1, #fff);background:-ms-linear-gradient(left, #fff, #b1b1b1, #fff);background:linear-gradient(to right, #fff, #b1b1b1, #fff)}.book-body{position:relative;z-index:5;max-width:745px;margin:0 auto;padding:1.5em}@media (min-width:640px){.book-body{padding:3em 1.5em}}@media (min-width:1000px){.book-body{padding:3em 0}}.book-header{position:relative;text-align:center}.book-cart{max-width:600px;margin:10px auto;background:#fff;letter-spacing:0}.section-subscribe a{color:#202020}.section-subscribe .form{max-width:600px;margin:0 auto}.book-intro{position:relative;z-index:15;padding-top:1.5em;padding-bottom:2em;background:url("../images/nauc-se-to/bg-intro.jpg") no-repeat;background-position:center center;-webkit-background-size:cover;-moz-background-size:cover;background-size:cover}@media (min-width:1000px){.book-intro{padding-top:3em;padding-bottom:4em}}.book-intro p>img{margin-left:-15%}@media (min-width:560px){.book-intro p>img{margin-left:-60px}}@media (min-width:800px){.book-intro p>img{float:left;margin-left:-410px;margin-top:-220px}}@media (min-width:1000px){.book-intro p>img{max-width:560px;margin-left:-570px;margin-top:-250px}}.book-intro h1{position:relative;font-size:40px;font-weight:600;line-height:1;margin-bottom:.5rem;color:#353b67;text-align:center}@media (min-width:640px){.book-intro h1{font-size:50px}}@media (min-width:800px){.book-intro h1{text-align:left}}@media (min-width:1000px){.book-intro h1{font-size:62px}}.book-intro h3{font-size:24px;font-weight:500;line-height:1.2;color:#353b67;margin:0 0 .5rem;text-align:center}@media (min-width:800px){.book-intro h3{text-align:left;font-size:28px}}.book-intro h4{font-size:20px;font-weight:500;color:#353b67;text-align:center}@media (min-width:800px){.book-intro h4{text-align:left}}.book-intro .book-body{zoom:1}.book-intro .book-body:before,.book-intro .book-body:after{content:"";display:table}.book-intro .book-body:after{clear:both}@media (min-width:800px){.book-intro h1,.book-intro h2,.book-intro h3,.book-intro h4,.book-intro ul,.book-intro .book-add-to-cart,.book-intro .book-body > p{margin-left:50%}}.book-about{background:url("../images/nauc-se-to/pattern.jpg") no-repeat;background-position:center center;position:relative}.book-about:before{content:'';display:block;position:absolute;top:0;right:0;left:0;bottom:0;background:rgba(255,255,255,0.8);z-index:5}.book-about .book-body{padding-top:3em}.book-knowledges{background:url("../images/nauc-se-to/pattern.jpg") no-repeat;background-position:center center;position:relative}.book-knowledges:before{content:'';display:block;position:absolute;top:0;right:0;left:0;bottom:0;background:rgba(255,255,255,0.8);z-index:5}.book-knowledges ul{list-style:none;padding:24px;margin:10px;list-style-image:url("../images/nauc-se-to/li.png")}@media (min-width:1000px){.book-knowledges ul{padding:0;margin:0}}.book-knowledges li{position:relative;margin-bottom:13px;padding-left:13px}.book-knowledges .book-body{position:relative}.book-knowledges .book-body:after{content:'';display:block;position:absolute;left:92%;top:50%;background:url("../images/nauc-se-to/one.png") no-repeat;width:176px;height:284px;margin-top:-142px}.book-params{overflow:hidden;background:url("../images/nauc-se-to/pattern.jpg") no-repeat;background-position:center center;position:relative}.book-params:before{content:'';display:block;position:absolute;top:0;right:0;left:0;bottom:0;background:rgba(0,0,0,0.81);z-index:5}.book-params .book-title:after{background:-webkit-linear-gradient(left, #343434, #b1b1b1, #343434);background:-moz-linear-gradient(left, #343434, #b1b1b1, #343434);background:-o-linear-gradient(left, #343434, #b1b1b1, #343434);background:-ms-linear-gradient(left, #343434, #b1b1b1, #343434);background:linear-gradient(to right, #343434, #b1b1b1, #343434)}.book-params table{color:#fff;margin:0 auto;width:100%}@media (min-width:640px){.book-params table{width:70%}}.book-params img{display:block;margin:0 auto}.book-params th,.book-params td{width:50%;vertical-align:top}.book-params th{font-weight:normal;text-align:right;font-weight:400}.book-gallery{position:relative;background:url("../images/nauc-se-to/bg-gallery.jpg") repeat;padding-bottom:2em;text-align:center}.book-gallery .book-title:after{background:-webkit-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:-moz-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:-o-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:-ms-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:linear-gradient(to right, #ccc, #b1b1b1, #ccc)}.book-gallery img{display:block;margin:0 auto}.book-gallery ul{position:relative;z-index:10;margin:0 0 0 -2rem;overflow:hidden}.book-gallery li{float:left;width:50%;padding-left:2rem;margin-bottom:2rem;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}@media (min-width:640px){.book-gallery li{width:33.3%}}.book-gallery li a{display:inline-block;-webkit-box-shadow:1px 1px 4px rgba(0,0,0,0.5);box-shadow:1px 1px 4px rgba(0,0,0,0.5)}.book-gallery:after{content:'';position:absolute;bottom:3em;left:50%;margin-left:250px;width:270px;height:202px;z-index:10}.book-author{position:relative;background:url("../images/nauc-se-to/bg-gallery.jpg") repeat;padding-bottom:26px}.book-author .book-title:after{background:-webkit-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:-moz-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:-o-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:-ms-linear-gradient(left, #ccc, #b1b1b1, #ccc);background:linear-gradient(to right, #ccc, #b1b1b1, #ccc)}.book-author img{display:block;margin:0 auto;margin-bottom:1em}.book-author .book-body{overflow:hidden}.book-author .book-body p{margin:0 1.5%;text-align:center}@media (min-width:800px){.book-author .book-body p{float:left;width:30.3%}}.book-content{background:url("../images/nauc-se-to/pattern.jpg") no-repeat;background-position:center center;position:relative}.book-content:before{content:'';display:block;position:absolute;top:0;right:0;left:0;bottom:0;background:rgba(255,255,255,0.8);z-index:5}.book-refs{background:url("../images/nauc-se-to/pattern.jpg") no-repeat;background-position:center center;position:relative;color:#fff}.book-refs:before{content:'';display:block;position:absolute;top:0;right:0;left:0;bottom:0;background:rgba(0,0,0,0.81);z-index:5}.book-refs .book-title:after{background:-webkit-linear-gradient(left, #343434, #b1b1b1, #343434);background:-moz-linear-gradient(left, #343434, #b1b1b1, #343434);background:-o-linear-gradient(left, #343434, #b1b1b1, #343434);background:-ms-linear-gradient(left, #343434, #b1b1b1, #343434);background:linear-gradient(to right, #343434, #b1b1b1, #343434)}.book-refs p{position:relative;padding-top:35px;padding-bottom:5px;overflow:hidden}.book-refs strong{padding-top:1em;display:block;font-style:normal;text-align:right;max-width:60%;float:right}.book-sources{background:url("../images/nauc-se-to/pattern.jpg") no-repeat;background-position:center center;position:relative;text-align:center}.book-sources:before{content:'';display:block;position:absolute;top:0;right:0;left:0;bottom:0;background:rgba(255,255,255,0.8);z-index:5}.book-sources a{color:#202020;text-decoration:underline}.book-sources ul{margin-bottom:36px}.book-sources li{padding-left:0;margin-bottom:.25em}.book-sources li:before{display:none}.book-sources h2{font-size:22px}.book-comments .book-body{width:600px}#download-book-sample{display:inline-block;text-indent:-9999px;background:url("../images/download.png") no-repeat;-webkit-background-size:contain;-moz-background-size:contain;background-size:contain;width:100%;max-width:295px}#download-book-sample:before{content:'';display:block;padding-bottom:48.47457627118644%}#download-book-sample span{display:none}