body{
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    background-color:#fcfcfc;
    overflow: hidden;
}

.flipbook-viewport{
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 设置pc端翻页区水平垂直居中与页面 */
.flipbook-viewport .container{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateY(-50%);
}

.flipbook-viewport .page{
    width:495px;
    height:700px;
    background-color:white;
}

.flipbook .page{
    box-shadow:0 0 20px rgba(0,0,0,0.2);
}

.flipbook-viewport .shadow{
    box-shadow:0 0 20px #ccc;
}

.flip_gif{
    position: absolute;
    bottom: 0;
    right: 40px;
    z-index: 100;
}

.flip_gif p{
    margin-right: 10px;
    color: #ff0000;
}

.flipbook .even .gradient{
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;

	background:-webkit-gradient(linear, left top, right top, color-stop(0.95, rgba(0,0,0,0)), color-stop(1, rgba(0,0,0,0.2)));
	background-image:-webkit-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:-moz-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:-ms-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:-o-linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
	background-image:linear-gradient(left, rgba(0,0,0,0) 95%, rgba(0,0,0,0.2) 100%);
}

.flipbook .odd .gradient{
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;

	background:-webkit-gradient(linear, right top, left top, color-stop(0.95, rgba(0,0,0,0)), color-stop(1, rgba(0,0,0,0.15)));
	background-image:-webkit-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:-moz-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:-ms-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:-o-linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
	background-image:linear-gradient(right, rgba(0,0,0,0) 95%, rgba(0,0,0,0.15) 100%);
}

/* 移动端适配 */
body.for-app {
    height: 100vh;
}

body.for-app.has-scroll .flipbook-viewport {
    overflow: auto;
}

body.for-app .flipbook-viewport .flipbook {
    left: 50%;
    transform: translateX(-50%);
}

body.for-app .flipbook-viewport .flipbook.no-trans {
    left: unset;
    transform: unset;
    margin-top: -20px;
}

body.for-app .flipbook-viewport {
    overflow: hidden;
}

body.for-app .flipbook-viewport .container {
    position: relative;
    top: 0;
    left: unset;
    margin-left: unset;
    margin-top: 20px;
    transform: translateX(0);
}

body.for-app .flipbook-viewport .container .flipbook .cover {
    object-fit: contain; /* 防止pdf封面图片比例被拉伸 */
}

.tool-bar {
    display: none;
    position: fixed;
    z-index: 9999;
    bottom: 10px;
    left: 50%;
    height: 30px;
    width: 100%;
    transform: translateX(-135px);
}
.tool-bar div {
    margin-right: 10px;
    padding: 0 10px;
    float: left;
    height: 30px;
    line-height: 30px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 15px;
    color: #fff;
}

.tool-bar div:last-of-type {
    margin-right: 0;
}