.mr-10 {
    margin-right: 10px;
}

.mt-10 {
    margin-top: 10px;
}

/* 书本和视频iframe */
.show-book,
.show-video {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
}

.show-book,
.show-video {
    display: none;
}

.show-book-inner,
.show-video-inner {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 90%;
}

.show-video-toolbar,
.show-book-toolbar {
    position: absolute;
    width: 100%;
    padding: 0 20px;
    z-index: 10;
    user-select: none;
}

.show-video-title,
.show-book-title {
    display: inline-block;
    margin-top: 20px;
    color: #333333;
    font-size: 16px;
    font-weight: 700;
    user-select: none;
}

.show-video-new-window,
.show-book-new-window,
.show-book-qrcode {
    float: right;
    margin-top: 11px;
    margin-right: 6px;
    padding: 8px 13px;
    border: 1px solid #e9e9e9;
    border-radius: 4px;
    user-select: none;
}

.show-video-new-window span,
.show-book-new-window span,
.show-book-qrcode span {
    font-size: 14px;
    color: #333333;
}

.show-book-qrcode > i {
    display: inline-block;
    width: 18px;
    height: 18px;
    background-position: -163px -164px;
    vertical-align: middle;
}

.show-book-qrcode:hover .book-qrcode {
    display: flex;
}

.book-qrcode {
    position: absolute;
    display: none;
    justify-content: center;
    align-items: center;
    top: 57px;
    right: 200px;
    width: 210px;
    height: 210px;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0px 2px 6px 1px #3333332b;
}

.book-qrcode img {
    display: inline-block;
}

.show-video-new-window>i,
.show-book-new-window>i {
    display: inline-block;
    width: 18px;
    height: 18px;
    background-position: -163px -119px;
    vertical-align: middle;
}

.close-button {
    display: flex;
    justify-content: center;
    align-items: center;
    float: right;
    width: 37px;
    height: 37px;
    margin: 11px 0 0 6px;
    border: 1px solid #e9e9e9;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
}

.close-button > i {
    display: inline-block;
    width: 15px;
    height: 15px;
    background-position: -162px -146px;
}

.close-button:hover,
.show-book-qrcode:hover,
.show-book-new-window:hover,
.show-video-new-window:hover {
    background-color: #e9e9e9;
}

.close-button:active,
.show-book-new-window:active,
.show-video-new-window:active {
    background-color: #d4d4d4;
}

.demo-iframe {
    background-color: #fff;
    height: 100%;
    border-radius: 8px;
}

.show-book-iframe,
.show-video-iframe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    padding: 57px 20px 20px 20px;
    background-clip: content-box;
}

.show-book-iframe {
    background-color: #E2CFB4;
}

.show-video-iframe {
    background-color: #333;
}

@media (max-width: 860px) {
    .show-book-title,
    .show-video-title {
        display: none;
    }
}

@media (max-width: 640px) {
    .show-book-inner,
    .show-video-inner {
        height: 85%;
        width: 85%;
    }
}

@media (max-width: 500px) {
    .show-book-new-window span,
    .show-book-qrcode span {
        display: none;
    }
}

@media (max-width: 220px) {
    .show-video-new-window,
    .show-book-new-window,
    .show-book-qrcode {
        display: none;
    }
}

.flipbook-home-icon {
    background-image: url("../png/flipbook_icon708a.png?=1");
}

.nav-collapse-list {
    background-color: #364b60;
    border-bottom: 1px solid #233344;
    border-top: 1px solid #2d3f50;
}

/* .home-container {
    position: relative;
    overflow: hidden;
    background-color: #fff;
} */

.home-banner-background-image {
    background: url("../png/banner_bg_flippbook_maker.png") no-repeat #043536;
    background-position: center 0;
    max-height: 980px;
    background-size: cover;
}

/* .home-banner {
    position: relative;
    padding: 80px 15px 0 15px;
    text-align: center;
} */

.home-banner-text {
    margin: 0;
    text-align: center;
    line-height: 36px;
    font-weight: normal;
    /* font-family: Myriad Pro; */
}

.home-banner-text.title-1 {
    color: #fff;
    font-size: 44px;
    padding-bottom: 30px;
    font-weight: 700;
}

.home-banner-text.title-2,
.home-banner-text.title-3 {
    font-size: 28px;
    color: #ffffff;
    font-weight: 900;
}

.home-banner-text.title-2 {
    padding-bottom: 20px;
}

.home-banner-text.title-3 {
    position: relative;
    margin: 0 auto;
    /* max-width: 682px; */
    background: linear-gradient(to right, #caff03, #68fffb);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 619px) {
    .home-banner-text.title-1 {
        font-size: 40px;
    }

    .home-banner-text.title-2 {
        font-size: 25px;
    }

    .home-banner-text.title-3 {
        font-size: 25px;
    }

    .download-button.win-download {
        margin-right: 0;
    }

    .download-button.mac-download {
        margin-top: 20px;
    }
}

.home-banner-download-button {
    margin-top: 50px;
}

.download-button {
    /* display: inline-block;
    padding: 19px 30px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 900; */
}

.win-download {
    background: linear-gradient(90deg, #4cc452, #35bb99);
    color: #ffffff;
    margin-right: 15px;
}

.win-download:hover {
    background: #40bf77;
}

.win-download:active {
    background: #278d53;
}

.mac-download {
    background: #ffffff;
    color: #234350;
}

.mac-download:hover {
    background: #e4fff2;
}

.mac-download:active {
    background: #ffffff;
}

.home-banner-video {
    display: inline-block;
    margin-top: 28px;
    cursor: pointer;
}

.home-banner-video i {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-position: -122px -131px;
}

.home-banner-video span {
    vertical-align: top;
    font-size: 16px;
    color: #ffffff;
    opacity: 0.7;
}

.home-banner-video span:hover {
    text-decoration: underline;
}

.home-banner-bookcase {
    position: relative;
    transform: translateY(60px);
    margin: 0 auto;
    width: 1050px;
    height: 644px;
    /* max-width: 1050px; */
    /* max-height: 625px; */
    background-color: #044c49;
    border-radius: 16px;
    box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

.home-banner-bookcase-inner {
    position: relative;
    width: 1050px;
    height: 644px;
    margin: 0 auto;
    padding: 49px 20px;
    font-size: 0;
}

.home-banner-bookcase-image {
    display: inline-block;
}

.home-banner-bookcase-image img {
    width: 100%;
    /* max-width: 100%; */
    height: auto;
    overflow: hidden;
    filter: brightness(70%);
}

.book-left,
.book-right {
    width: 10px;
    height: 530px;
    display: inline-block;
    background: linear-gradient(to right, #d2d2d2 10%, #f0f0f0);
    background-size: 2px 100%;
    filter: brightness(70%);
}

.book-left {
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.book-right {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
}

.demo-button {
    display: inline-block;
    position: absolute;
    width: 86px;
    height: 86px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-position: -211px -27px;
    z-index: 10;
}

.home-banner-bookcase-image:hover .demo-button {
    width: 98px;
    height: 98px;
    transform: translate(-50%, -50%);
    transform-origin: center;
    background-position: -205px -132px;
}

@media (max-width: 1050px) {
    .home-banner-bookcase,
    .home-banner-bookcase-inner {
        width: auto;
        height: auto;
    }
}

@media (max-width: 870px) {
    .book-left,
    .book-right {
        height: 0;
    }
}

/* who-use-our-products */
.users-brand {
    background-color: #fff;
    text-align: center;
}

.users-brand>span {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #333333;
    text-align: center;
    margin: 230px 0 40px;
}

.users-brand>img {
    display: block;
    height: auto;
    width: auto;
    padding: 0 20px;
    margin: auto;
}

@media (max-width: 1250px) {
    .users-brand>img {
        max-width: 100%;
        max-height: 100%;
    }
}

@media (max-width: 680px) {
    .users-brand>span {
        margin-top: 180px;
    }
}

@media (max-width: 619px) {
    .users-brand>span {
        margin-top: 170px;
    }
}

@media (max-width: 560px) {
    .users-brand>span {
        margin-top: 160px;
    }
}

@media (max-width: 420px) {
    .users-brand>span {
        margin-top: 135px;
    }
}

/*  examples  */
/* .animated-flipbook {
    display: inline-block;
    position: absolute;
    top: 12px;
    left: 125px;
    width: 127px;
    height: 35px;
    background-position: -8px -226px;
}

.home-examples>span {
    display: block;
    font-weight: bold;
    margin: 0;
    margin-top: 110px;
    color: #333;
    text-align: center;
    font-size: 40px;
}

.home-examples>h3 {
    padding: 0 10px;
    font-weight: normal;
    margin: 0;
    color: #888;
    text-align: center;
    font-size: 17px;
    padding-bottom: 40px;
}

.home-examples-slider {
    text-align: center;
}

.home-examples-panel {
    position: relative;
    margin: 0 auto;
}

.home-examples-row {
    display: inline-block;
}

.home-examples-row>li {
    display: inline-block;
    width: 200px;
    margin: 8px 30px;
    text-align: left;
}

.home-examples-row>li>a {
    display: inline-block;
}

.home-examples-item-img {
    position: relative;
}

.home-examples-item-img>img {
    display: block;
}

.home-examples-item-img>span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: inline-block;
    width: 168px;
    height: 42px;
    line-height: 42px;
    text-align: center;
    color: #ffffff;
    background-color: #000000;
    opacity: 0;
    border-radius: 6px;
    z-index: 5;
    cursor: pointer;
    transition: opacity 0.3s;
}

.home-examples-item-img>span:active {
    opacity: 0.8;
}

.home-examples-row>li:hover .home-examples-item-img>span {
    opacity: 0.5;
}

.home-examples-row>li:active .home-examples-item-img>span {
    opacity: 0.6;
}

.home-examples-row>li p {
    color: #333333;
    font-size: 14px;
    padding-top: 8px;
}

.home-examples-switch-tab {
    margin-top: 50px;
    text-align: center;
}

.home-examples-switch-tab>li {
    display: inline-block;
    cursor: pointer;
}

.home-examples-switch-tab li:hover>span {
    color: #333;
}

.home-examples-switch-tab li:hover>i {
    opacity: 1;
}

.home-examples-switch-tab span {
    display: block;
    font-size: 19px;
    color: #777779;
    font-weight: bold;
}

.magazines {
    margin: 0 35px 0;
}

.home-examples-switch-tab .active {
    color: #333333;
}

.home-examples-switch-tab .show {
    opacity: 1;
}

.home-examples-switch-tab i {
    opacity: 0;
    display: inline-block;
    width: 88px;
    height: 4px;
    background-color: #333;
    border-radius: 2px;
    margin-top: 15px;
    transition: opacity 0.3s;
}

.home-examples-panel {
    position: relative;
    margin: 0 auto;
}

.home-examples-panel>.active {
    display: block;
    opacity: 1;
} */

.magazines-item,
.brochures-item,
.catalogs-item {
    display: none;
    position: relative;
    margin-top: 40px;
    opacity: 0;
    animation: examples-show 1s;
}

.get-inspired {
    display: inline-block;
    position: relative;
    width: 218px;
    height: 52px;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 40px;
    border: 1px solid #868686;
    border-radius: 26px;
    text-align: center;
}

.get-inspired span {
    margin-right: 0;
    transition: margin-right 0.3s;
}

.get-inspired:hover {
    border-color: #333333;
}

.get-inspired:hover span {
    margin-right: 30px;
}

.get-inspired:active {
    background-color: #333333;
}

.get-inspired:active span {
    color: #ffffff;
}

.get-inspired:active i {
    background-position: -123px -24px;
}

.get-inspired span {
    display: inline-block;
    font-size: 15px;
    line-height: 52px;
    color: #333333;
}

.get-inspired i {
    display: inline-block;
    background-position: -123px -45px;
    width: 15px;
    height: 10px;
}

@keyframes examples-show {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@media (min-width: 1310px) {
    .home-examples-panel {
        width: 1292px;
    }

    .home-examples-row>li {
        width: 245px;
    }
}

@media (min-width: 1140px) and (max-width: 1309px) {
    .home-examples-panel {
        width: 1112px;
        padding: 0 36px;
    }
}

@media (min-width: 620px) and (max-width: 1139px) {
    .home-examples-panel {
        width: 592px;
    }
}

@media (max-width: 619px) {
    .home-examples>h2 {
        font-size: 30px;
        margin-top: 70px;
    }

    .home-examples-switch-tab {
        padding: 0 20px;
    }

    .home-examples-switch-tab li>span {
        font-size: 15px;
    }

    .home-examples-switch-tab .brochures {
        margin: 0 5px 0;
    }

    .home-examples-panel {
        width: 250px;
    }

    .home-examples-row>li {
        margin: 8px 0;
    }
}

@media (max-width: 420px) {
    .home-examples>h2 {
        font-size: 25px;
        margin-top: 60px;
        padding: 0 10px;
    }

    .home-examples-switch-tab li>span {
        font-size: 13px;
    }

    .brochures,
    .magazines,
    .catalogs {
        margin: 0 3px;
    }

    .magazines-item,
    .brochures-item,
    .catalogs-item {
        margin-top: 20px;
    }
}

@media (max-width: 360px) {
    .home-examples>h2 {
        font-size: 25px;
        margin-top: 40px;
        padding: 0 10px;
    }

    .brochures,
    .magazines,
    .catalogs {
        margin: 0 !important;
    }

    .home-examples-panel {
        width: 260px;
    }

    .home-examples-row>li {
        margin: 8px 0;
    }
}

/*   products  */
.home-products {
    position: relative;
    background-color: #ffffff;
    text-align: center;
}

.home-products>span {
    display: block;
    margin-top: 130px;
    padding: 0 10px;
    color: #666;
    font-size: 40px;
    color: #333333;
    font-weight: bold;
}

.home-products-item {
    display: inline-block;
    position: relative;
    margin: 50px 20px 0;
    border-radius: 12px;
    overflow: hidden;
}

.flip-pdf-plus {
    background: linear-gradient(-30deg, #3e0239, #63054d);
    margin-top: 80px;
}

.flip-pdf-plus-pro {
    background: linear-gradient(-30deg, #013636, #075a58);
}

.flip-pdf-plus-corp {
    background: linear-gradient(-30deg, #37036e, #470e8e);
}

.flip-pdf-plus .home-products-item-description {
    margin: 50px 200px 0 0;
}

.flip-pdf-plus-pro .home-products-item-description {
    margin: 40px 160px 0 0;
}

.flip-pdf-plus-corp .home-products-item-description {
    margin-right: 10px;
}

.home-products-item-inner {
    position: relative;
    margin: 65px;
    display: flex;
    justify-content: center;
}

.home-products-item-description {
    display: inline-block;
    text-align: left;
}

.flip-pdf-plus-corp>.home-products-item-description {
    margin: 68px 0 0 60px;
}

.home-products-item-title {
    display: inline-block;
    font-size: 27px;
    color: #ffffff;
    font-weight: bold;
    text-align: left;
    margin: 0;
    margin-bottom: 31px;
}

.home-products-description-item {
    text-align: left;
    margin-bottom: 15px;
}

.home-products-description-item i {
    display: inline-block;
    width: 15px;
    height: 15px;
    background-position: -125px -65px;
}

.home-products-description-item span {
    font-size: 15px;
    color: #ffffff;
}

.home-products-products-price {
    text-align: left;
}

.home-products-products-price > span:nth-child(1) {
    display: inline-block;
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.home-products-products-price > span:nth-child(2) {
    margin-left: 5px;
    font-size: 13px;
    color: #ffffff;
}

.go-products-page {
    margin-top: 30px;
    text-align: left;
}

.go-products-page {
    display: inline-block;
    width: 170px;
    height: 46px;
    background-color: #ffffff;
    line-height: 46px;
    font-size: 15px;
    color: #333333;
    text-align: center;
    border-radius: 6px;
}

.go-products-page:hover {
    color: #488bdb;
}

.go-products-page:active {
    background-color: #dddddd;
}

.description-image {
    max-height: 100%;
    max-width: 100%;
}

.products-compare {
    display: block;
    position: relative;
    margin: 50px auto 0;
    width: 278px;
    height: 52px;
    margin-top: 50px;
    background: #ffffff;
    border: 1px solid #868686;
    border-radius: 26px;
}

.products-compare:hover {
    border-color: #333333;
}

.products-compare span {
    margin-right: 0;
    transition: margin-right 0.3s;
}

.products-compare:hover span {
    margin-right: 25px;
}

.products-compare:active {
    background-color: #333333;
}

.products-compare:active span {
    color: #ffffff;
}

.products-compare:active i {
    background-position: -123px -24px;
}

.products-compare span {
    font-size: 14px;
    color: #333333;
    line-height: 52px;
}

.products-compare i {
    display: inline-block;
    width: 15px;
    height: 10px;
    background-position: -123px -45px;
}

@media (max-width: 1140px) {
    .description-image {
        display: none;
    }
}

@media (max-width: 619px) {
    .home-products>h2 {
        font-size: 30px;
        margin-top: 70px;
    }

    .home-products-item-description {
        margin-right: 0px !important;
    }
}

@media (max-width: 550px) {
    .home-products-item {
        padding: 10px;
        flex-direction: column;
    }
}

@media (max-width: 420px) {
    .home-products>h2 {
        font-size: 25px;
        margin-top: 60px;
        padding-bottom: 0;
    }
}

@media (max-width: 360px) {
    .home-products>h2 {
        font-size: 25px;
        margin-top: 40px;
    }

    .home-products-item-inner {
        margin: 30px;
    }
}

/* home-why */
.home-why {
    text-align: center;
}

.home-why-title {
    display: block;
    margin: 130px 0 30px;
    font-size: 40px;
    font-weight: 700;
    text-align: center;
}

.home-why-item {
    padding: 80px 0;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
    max-width: 1160px;
}

.home-why-item.home-why-first-item {
    padding-top: 50px;
}

.home-why-item.home-why-last-item {
    padding-bottom: 50px;
}

.home-why-left {
    float: left;
}

.home-why-right {
    float: right;
}

.home-why-item-image {
    display: inline-block;
}

.home-why-item-image img {
    width: 100%;
    height: 100%;
    padding: 0 20px;
}

.home-why-item-reverse {
    flex-direction: row-reverse;
}

.home-why-item-description {
    display: inline-block;
    max-width: 530px;
    width: 100%;
    text-align: left;
    padding: 0 20px;
}

.home-why-item-description-inner > span {
    display: inline-block;
    font-size: 32px;
    font-weight: 700;
    color: #333333;
    margin: 0;
    margin-bottom: 15px;
    line-height: 48px;
}

.home-why-item-description-inner > p {
    font-size: 18px;
    line-height: 32px;
    color: #333333;
}

.home-why-item-description-inner > p > a {
    color: #333333;
    text-decoration: underline;
}

.home-why-item-features {
    margin-top: 30px;
    font-size: 0;
}

.home-why-item-features span {
    display: inline-block;
    border: 2px solid #488bdb;
    border-radius: 16px;
    font-size: 13px;
    text-align: center;
    color: #488bdb;
    padding: 6px 14px;
}

.home-why-link {
    display: inline-block;
    margin-bottom: 100px;
    width: 258px;
    height: 52px;
    border: 1px solid #868686;
    border-radius: 26px;
}

.home-why-link span {
    margin-right: 0;
    transition: margin-right 0.3s;
}

.home-why-link:hover {
    border-color: #333333;
}

.home-why-link:hover span {
    margin-right: 25px;
}

.home-why-link:active {
    background-color: #333333;
}

.home-why-link:active span {
    color: #ffffff;
}

.home-why-link:active i {
    background-position: -123px -24px;
}

.home-why-link span {
    font-size: 14px;
    color: #333333;
    line-height: 52px;
}

.home-why-link i {
    display: inline-block;
    width: 15px;
    height: 10px;
    background-position: -123px -45px;
}

@media (max-width: 1140px) {

    .home-why-left,
    .home-why-right {
        float: none;
    }
}

@media (max-width: 619px) {
    .home-why-title {
        font-size: 25px;
        margin: 70px 0 0 0;
    }

    .home-why-item {
        padding: 60px 0;
    }

    .home-why-item-description {
        margin-top: 30px !important;
    }

    .home-why-item-description-inner h3 {
        font-size: 25px;
    }

    .home-why-item-description-inner p {
        font-size: 14px;
    }

    .home-why-item-features>span {
        margin-top: 10px;
        margin-left: 10px;
    }

    .home-why-link {
        margin-bottom: 80px;
    }
}

@media (max-width: 420px) {
    .home-why-title {
        margin: 60px 0 0 0;
    }

    .home-why-item {
        padding: 40px 0;
    }

    .home-why-link {
        margin-bottom: 50px;
    }
}

/* home-design-partner */
.home-design-partner {
    background-image: url("../png/bg_flipbuilder_flipbook_software.png");
    padding-top: 60px;
    overflow: hidden;
}

.home-design-partner-inner {
    position: relative;
    margin: 0 auto;
    max-width: 1164px;
}

.home-design-partner-left {
    float: left;
}

.home-design-partner-right {
    float: right;
}

.home-design-partner-description {
    display: inline-block;
    /* max-width: 564px; */
    width: 50%;
    text-align: left;
}

.home-design-partner-title {
    display: inline-block;
    max-width: 483px;
    font-size: 40px;
    font-weight: 700;
    color: #ffffff;
}

.home-design-partner-description p {
    font-size: 16px;
    color: #ffffff;
    line-height: 27px;
    margin-top: 31px;
}

.home-design-partner-image {
    width: 50%;
}

.home-design-partner-image img {
    width: auto;
    /* padding: 0 20px; */
}

@media (min-width: 1140px) and (max-width: 1309px) {
    .home-design-partner-description {
        padding-left: 20px;
    }
}

@media (max-width: 1139px) {
    .home-design-partner-image {
        display: none;
    }

    .home-design-partner-description {
        display: block;
        float: none;
        width: 100%;
        text-align: center;
        padding: 0 10px 60px;
    }
}

/* home-use-as */
.home-use-as {
    text-align: center;
}

.home-use-as-title {
    display: block;
    margin: 130px 0 50px;
    font-weight: 700;
    font-size: 40px;
}

.home-use-as-item {
    font-size: 0;
    margin: 0 auto 81px;
    max-width: 1113px;
}

.home-use-as-item a {
    display: inline-block;
    margin: 20px 20px 0 0;
    padding: 20px 30px;
    border: 1px solid #333333;
    border-radius: 29px;
    font-size: 14px;
    color: #333333;
}

@media (max-width: 630px) {
    .home-use-as-item a {
        margin: 5px;
        padding: 15px 10px;
        width: 45%
    }
}

@media (max-width: 420px) {
    .home-use-as-title {
        margin: 70px 0 35px 0;
    }
}

@media (max-width: 360px) {
    .home-use-as-title {
        margin-top: 60px;
    }
}