@font-face {
    font-family: 'codropsicons';
    src: url('../fonts/codropsicons/codropsicons.eot');
    src: url('../fonts/codropsicons/codropsicons.eot?#iefix') format('embedded-opentype'), url('../fonts/codropsicons/codropsicons.woff') format('woff'), url('../fonts/codropsicons/codropsicons.ttf') format('truetype'), url('../fonts/codropsicons/codropsicons.svg#codropsicons') format('svg');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'arrows';
    src: url('../fonts/arrows/arrows.eot');
    src: url('../fonts/arrows/arrows.eot?#iefix') format('embedded-opentype'), url('../fonts/arrows/arrows.woff') format('woff'), url('../fonts/arrows/arrows.ttf') format('truetype'), url('../fonts/arrows/arrows.svg#arrows') format('svg');
    font-weight: normal;
    font-style: normal;
}



/* No JS */
.no-js .bb-custom-wrapper {
    height: auto;
}

.no-js .bb-custom-content {
    height: 470px;
}




*, *:after, *:before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    outline: none;
}

body, html {
    font-family: "微软雅黑";
    color: #333;
    height: 100%;
    overflow: hidden;
}

a {
    color: #1baede;
    text-decoration: none;
}

    a:hover,
    a:active {
        color: #0181ab;
    }







.bb-custom-wrapper {
    width: 100%;
    height: 100%;
    max-width: 1200px;
    margin: auto;
    padding: 100px 0;
}

.bb-bookblock {
    width: 100%;
    height: 100%;
    -webkit-perspective: 2000px;
    -moz-perspective: 2000px;
    perspective: 2000px;
    border: 1px solid #eee;
    background: #eee;
}

.bb-cover {
    width: 50%;
    height: 100%;
    position: absolute;
    left: 50%;
    box-shadow: -3px 2px 6px 0px rgba(183, 183, 183, 0.53);
}

.bb-cover-back {
    width: 50%;
    height: 100%;
    position: absolute;
    left: 0;
    box-shadow: -3px 2px 6px 0px rgba(183, 183, 183, 0.53);
}

.bb-flex {
    height: inherit;
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: flex;
    background: url(../images/bj.jpg) no-repeat left bottom;
    /* Centering with flexbox */
    /*
	-webkit-flex-direction: row;
	flex-direction: row;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
	-webkit-box-pack: center;
	-moz-box-pack: center;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-box-align: center;
	-moz-box-align: center;
	-webkit-align-items: center;
	align-items: center;
*/
}

.bb-center-line::after {
    content: "";
    width: 50px;
    height: 100%;
    position: absolute;
    left: 50%;
    top: 0;
    margin-left: -50px;
    background-image: -webkit-linear-gradient(left, rgba(255, 255, 255, 0), #eee);
    background-image: -moz-linear-gradient(left, rgba(255, 255, 255, 0), #eee);
    background-image: -ms-linear-gradient(left, rgba(255, 255, 255, 0), #eee);
    background-image: -o-linear-gradient(left, rgba(255, 255, 255, 0), #eee);
}

.bb-box {
    /*margin: 35px 35px 45px;*/
    margin: -50px 0 -70px 0;
    padding: 0 5px;
    overflow-y: auto;
    flex: 1;
    position: relative;
}

@media screen and (max-width: 1024px) {
    .bb-box {
        font-size: 85%;
    }
}

@media screen and (max-width: 61.75em) {
    .bb-box {
        font-size: 70%;
    }
}

@media screen and (max-width: 33em) {
    .bb-box {
        font-size: 60%;
    }
}





/*页数数字*/
.bb-pagenumber {
    font-size: 16px;
    color: #999;
    position: absolute;
    bottom: 15px;
}

.bb-pagenumber-right {
    right: 40px;
}

.bb-pagenumber-left {
    left: 40px;
}
/*页数数字*/


/*详情按钮*/
.bb-detailbtn {
    position: absolute;
    right: 60px;
    bottom: 15px;
    font-size: 18px;
}
.xqbtn {
    position: absolute;
    bottom: 30px;
    right: 15px;
}
/*详情按钮*/


/*页数导航*/
.bb-nav {
    line-height: 64px;
    height: 64px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    z-index: 1000;
    text-align: center;
}

    .bb-nav a {
        display: inline-block;
        width: 40px;
        height: 40px;
        text-align: center;
        border-radius: 2px;
        background: #1baede;
        color: #fff;
        font-size: 0;
        margin: 2px;
    }

        .bb-nav a:hover {
            opacity: 0.6;
        }
    .bb-nav input {
        width: 68px;
        height: 40px;
        line-height: 40px;
        border: 1px solid #ccc;
        float: right;
        margin: 2px;
        border-radius: 2px;
        padding: 9px 6px;
    }
    .bb-nav button {
        background: #1baede;
        color: #fff;
        float: right;
        padding: 0 12px;
        height: 40px;
        line-height: 40px;
        margin: 2px;
        border: 0;
        border-radius: 2px;
    }


.bb-custom-icon:before {
    font-family: 'arrows';
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    font-size: 30px;
    line-height: 40px;
    display: block;
    -webkit-font-smoothing: antialiased;
}

.bb-custom-icon-first:before,
.bb-custom-icon-last:before {
    content: "\e002";
}

.bb-custom-icon-arrow-left:before,
.bb-custom-icon-arrow-right:before {
    content: "\e003";
}

.bb-custom-icon-arrow-left:before,
.bb-custom-icon-first:before {
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}
/*页数导航*/








/*内容盒子*/
.bb-boxtitle {
    margin-bottom: 0.8em;
    font-size: 1em;
    font-weight: bold;
}

.bb-box p {
    font-size: 1em;
    text-indent: 2em;
    margin-bottom: 1em;
    line-height: 1.6em;
    text-align: justify;
}

.bb-box img {
    width: 100%;
}

.img-group {
    display: flex;
    flex-flow: row wrap;
    align-content: flex-start;
    background: #eee;
}

    .img-group > div {
        flex: 0 0 50%;
    }
/*
.img-group>div>img {
	height: 100%;
}
*/
.imgsmall {
    color: #999;
}

.fol50 {
    width: 50%;
    float: left;
    margin-right: 35px;
    margin-bottom: 20px;
}

.bbimgbox {
    /*max-height: 280px;*/
    overflow: hidden;
    vertical-align: middle;
}
/*内容盒子*/





/*距离*/
.mt20 {
    margin-top: 20px;
}

.mb20 {
    margin-bottom: 20px;
}
/*距离*/





/*================================================================================================
 * 滚动条
 *================================================================================================*/
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #e8eaec;
}

    ::-webkit-scrollbar-thumb:hover, ::-webkit-scrollbar-thumb:active {
        background: #e8eaec;
    }





/*目录*/
.bb-mulu {
    text-align: center;
    padding: 20px;
    box-shadow: inset 0px 0px 18px 2px rgba(183, 183, 183, 0.64);
    border-left: 1px solid rgba(183, 183, 183, 0.64);
    ;
    /*
	width: 200px;
    height: 100%;
    position: absolute;
    left: 0;
*/
}

    .bb-mulu h1 {
        font-size: 2.625em;
        line-height: 1.3;
        margin: 0;
        font-weight: 300;
    }

        .bb-mulu h1 span {
            display: block;
            font-size: 14px;
            opacity: 0.5;
            padding: 0 0 0.6em 0.1em;
        }

.mulunav {
    padding-top: 1em;
    font-size: 0.9em;
    overflow-y: auto;
}

    .mulunav a {
        display: inline-block;
        margin: 0.2em auto;
        padding: 0.45em 0.24em;
        width: 96%;
        font-weight: 700;
        border-radius: 2px;
        background: #fff;
        border: 1px solid #ddd;
        color: #333;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

        .mulunav a:hover,
        .mulunav a.active,
        .mulunav a.active:hover {
            /*opacity: 0.6;*/
            color: #fff;
            background: #1baede;
        }
/*目录*/




/*第一页*/
.bb-custom-firstpage {
    text-align: center;
}

    .bb-custom-firstpage h1 {
        font-size: 2.625em;
        line-height: 1.3;
        margin: 0;
        font-weight: 300;
    }

        .bb-custom-firstpage h1 span {
            display: block;
            font-size: 60%;
            opacity: 0.3;
            padding: 0 0 0.6em 0.1em;
        }


/*按钮 */
.codrops-demos {
    padding-top: 1em;
    font-size: 0.9em;
}

    .codrops-demos a {
        display: inline-block;
        margin: 0.2em;
        padding: 0.45em 1em;
        font-weight: 700;
        border-radius: 2px;
        background: #1baede;
        color: #fff;
    }

        .codrops-demos a:hover,
        .codrops-demos a.current-demo,
        .codrops-demos a.current-demo:hover {
            opacity: 0.6;
        }
/*按钮 */


.codrops-nav {
    text-align: center;
}

    .codrops-nav a {
        display: inline-block;
        margin: 20px auto;
        padding: 0.3em;
    }

.codrops-icon:before {
    font-family: 'codropsicons';
    margin: 0 4px;
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
}

.codrops-icon-drop:before {
    content: "\e001";
}

.codrops-icon-prev:before {
    content: "\e004";
}

.codrops-icon-archive:before {
    content: "\e002";
}

.codrops-icon-next:before {
    content: "\e000";
}

.codrops-icon-about:before {
    content: "\e003";
}
/*第一页*/








.flipbook-viewport .flipbook {
    width: 100% !important;
    height: 100% !important;
    left: 0 !important;
    top: 0 !important;
}