* {
    margin: 0px;
    padding: 0px;
    border: 0;
    box-sizing: border-box;
}

body {
    font-family: "Arial";
    font-size: 16px;
    line-height: 1.5;
    width: 100%;
    background-color: #ffffff;
}

ul,
li {
    list-style-type: none;
}

a {
    color: #000;
    transition: all 0.3s ease-out;
}

a,
a:hover {
    text-decoration: none;
}

#header {
    width: 100%;
    height: 200px;
}

#bottomifr {
    width: 100%;
    height: 398px;
}

/* General Demo Style */
*,
*:after,
*:before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body,
html {
    font-size: 100%;
    padding: 0;
    margin: 0;
}

body {
    font-family: Arial, sans-serif;
    color: #777;
    background: #f6f6f6;
    overflow: hidden;
    background: url("http://english.scio.gov.cn/images1/en/gxb/20171211/background.jpg") no-repeat;
    background-size: 100% auto;
    min-height: 100vh;
}

a {
    color: #000;
    text-decoration: none;
    outline: none;
}

a:hover,
a:active {
    color: #1247a5;
}

a img {
    border: none;
}

/* Header Style */
.container {
    position: relative;
    height: 100%;
    padding-top: 5%;
}

/* To Navigation Style */

.bb-bookblock {
    width: 968px;
    height: 675px;
    margin: 0 auto;
    position: relative;
    z-index: 100;
    -webkit-perspective: 1300px;
    perspective: 1300px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.bb-page {
    position: absolute;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    -webkit-transition-property: -webkit-transform;
    transition-property: transform;
}

.bb-vertical .bb-page {
    width: 50%;
    height: 100%;
    left: 50%;
    -webkit-transform-origin: left center;
    transform-origin: left center;
}

.bb-horizontal .bb-page {
    width: 100%;
    height: 50%;
    top: 50%;
    -webkit-transform-origin: center top;
    transform-origin: center top;
}

.bb-page>div,
.bb-outer,
.bb-content,
.bb-inner {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.bb-vertical .bb-content {
    width: 200%;
}

.bb-horizontal .bb-content {
    height: 200%;
}

.bb-page>div {
    width: 100%;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.bb-vertical .bb-back {
    -webkit-transform: rotateY(-180deg);
    transform: rotateY(-180deg);
}

.bb-horizontal .bb-back {
    -webkit-transform: rotateX(-180deg);
    transform: rotateX(-180deg);
}

.bb-outer {
    width: 100%;
    overflow: hidden;
    z-index: 999;
}

.bb-overlay,
.bb-flipoverlay {
    background-color: rgba(0, 0, 0, 0.7);
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.bb-flipoverlay {
    background-color: rgba(0, 0, 0, 0.2);
}

.bb-bookblock.bb-vertical>div.bb-page:first-child,
.bb-bookblock.bb-vertical>div.bb-page:first-child .bb-back {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
}

.bb-bookblock.bb-horizontal>div.bb-page:first-child,
.bb-bookblock.bb-horizontal>div.bb-page:first-child .bb-back {
    -webkit-transform: rotateX(180deg);
    transform: rotateX(180deg);
}

/* Content display */

.bb-vertical .bb-front .bb-content {
    left: -100%;
}

.bb-horizontal .bb-front .bb-content {
    top: -100%;
}

/* Flipping classes */
.bb-vertical .bb-flip-next,
.bb-vertical .bb-flip-initial {
    -webkit-transform: rotateY(-180deg);
    transform: rotateY(-180deg);
}

.bb-vertical .bb-flip-prev {
    -webkit-transform: rotateY(0deg);
    transform: rotateY(0deg);
}

.bb-horizontal .bb-flip-next,
.bb-horizontal .bb-flip-initial {
    -webkit-transform: rotateX(180deg);
    transform: rotateX(180deg);
}

.bb-horizontal .bb-flip-prev {
    -webkit-transform: rotateX(0deg);
    transform: rotateX(0deg);
}

.bb-vertical .bb-flip-next-end {
    -webkit-transform: rotateY(-15deg);
    transform: rotateY(-15deg);
}

.bb-vertical .bb-flip-prev-end {
    -webkit-transform: rotateY(-165deg);
    transform: rotateY(-165deg);
}

.bb-horizontal .bb-flip-next-end {
    -webkit-transform: rotateX(15deg);
    transform: rotateX(15deg);
}

.bb-horizontal .bb-flip-prev-end {
    -webkit-transform: rotateX(165deg);
    transform: rotateX(165deg);
}

.bb-item {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}

/* No JS */
.no-js .bb-bookblock,
.no-js ul.bb-custom-grid li {
    width: auto;
    height: auto;
}

.no-js .bb-item {
    display: block;
    position: relative;
}

.bb-custom-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.bb-custom-side {
    width: 50%;
    float: left;
    height: 100%;
    overflow: hidden;
    background: #fff;
    /* Centering with flexbox */
    display: inline-block;
    position: relative;
}

.bb-custom-side.left-side {
    background: #fff;
}

.bb-custom-side.left-side::before {
    content: "";
    display: inline-block;
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 100%;
    background: url("//english.scio.gov.cn/images1/en/whitepapers/shadow_left.png") no-repeat;
    background-size: cover;
}

.bb-custom-side.left-side .wp-title {
    width: 404px;
    position: absolute;
    height: 150px;
    background: url("//english.scio.gov.cn/images1/en/whitepapers/title_square.png") no-repeat;
    background-size: auto 100%;
    background-position: left top;
    left: 50%;
    top: 40px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    padding-left: 30px;
    font-size: 24px;
}

.bb-custom-side.left-side .wp-title::before {
    content: "White Paper";
    font-size: 14px;
    color: #999;
    position: absolute;
    left: 0;
    top: -20px;
}

.bb-custom-side.left-side .page {
    font-size: 24px;
    color: #333;
    padding: 0 40px;
    position: absolute;
    bottom: 40px;
    text-align: right;
}

.bb-custom-side.left-side .page b {
    font-size: 30px;
    color: #e1be3c;
}

.bb-custom-side.cover {
    background: url("//english.scio.gov.cn/images1/en/whitepapers/cover.png") no-repeat;
    text-align: center;
    text-align: center;
    padding: 30px;
}

.bb-custom-side.cover .wp {
    position: relative;
    font-size: 36px;
    font-family: "Times New Roman", Times, serif;
    font-weight: bold;
    padding: 0 60px;
    display: inline-block;
    margin-top: 140px;
}

.bb-custom-side.cover .mb-wp {
    display: none;
}

.bb-custom-side.cover .scio {
    font-size: 12px;
    line-height: 1.5;
    color: #666;
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
}

.bb-custom-side.cover .wp::after,
.bb-custom-side.cover .wp::before {
    content: "";
    width: 40px;
    height: 1px;
    display: inline-block;
    background-color: #000;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.bb-custom-side.cover .wp::after {
    right: 0;
}

.bb-custom-side.cover .wp::before {
    left: 0;
}

.bb-custom-firstpage {
    position: relative;
}

.bb-custom-firstpage h1 {
    font-size: 30px;
    line-height: 1.3;
    margin: 0;
    font-weight: bold;
    color: #fff;
    width: 348px;
    height: 435px;
    box-shadow: 2px 3px 8px 0px rgba(0, 0, 0, 0.6);
    border: solid 4px #e1be3c;
    margin-left: 5px;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.bb-custom-firstpage {
    text-align: center;
    width: 50%;
    float: left;
    height: 100%;
}

.bb-custom-side p {
    font-size: 20px;
    color: #000;
    margin-bottom: 10px;
}

.bb-custom-side.right-side {
    padding: 40px;
}

.bb-custom-side.right-side::before {
    content: "";
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 100%;
    background: url("//english.scio.gov.cn/images1/en/whitepapers/shadow_right.png") no-repeat;
    background-size: cover;
}

.bb-custom-side.right-side .content {
    border-bottom: 2px solid #e1be3c;
    font-size: 24px;
    padding-bottom: 10px;
    display: inline-block;
}

.bb-custom-side.right-side.cat .cat-list {
    margin-top: 20px;
    padding: 0;
    padding-right: 40px;
}

.bb-custom-side.right-side.cat .cat-list p {
    margin-bottom: 20px;
    font-size: 0;
}

.bb-custom-side.right-side.cat .cat-list p a {
    font-size: 14px;
    color: #333 !important;
    text-decoration: none !important;
}

.bb-custom-side.right-side.cat .bb-custom-icon:before {
    font-size: 20px;
    line-height: 40px;
    display: block;
    font-weight: normal;
}

.bb-custom-side.right-side.preface .intro {
    font-size: 16px;
}

.bb-custom-side.right-side.preface .textBox {
    position: absolute;
    bottom: 60px;
    padding-right: 40px;
}

/* 中间内容页 */
.bb-custom-side.right-side.content-page .imgBox {
    width: 448px;
    height: 325px;
    position: absolute;
    overflow: hidden;
    top: 80px;
}

.bb-custom-side.right-side.content-page .imgBox img {
    width: 448px;
    height: 325px;
}

.bb-custom-side.right-side.content-page .textBox {
    width: 340px;
    min-height: 310px;
    border: 1px solid #333;
    padding: 20px 15px;
    position: absolute;
    right: 40px;
    bottom: 60px;
    background: #fff;
}

.bb-custom-side.right-side.content-page .textBox .title {
    color: #333;
    font-family: "Arial";
    font-size: 18px;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
}

.bb-custom-side.right-side.content-page .textBox .t-content {
    font-size: 14px;
    line-height: 1.5;
}

.bb-custom-side.right-side .line {
    width: 3px;
    height: 210px;
    background: #3082ce;
    display: inline-block;
    position: absolute;
    bottom: 60px;
    left: 80px;
}

.bb-custom-side.right-side .line::before {
    content: "";
    position: absolute;
    top: 0;
    display: inline-block;
    background: #e1be3c;
    height: 105px;
    width: 100%;
}

/* 按钮 */
.bb-custom-wrapper>nav {
    position: relative;
    z-index: 1000;
    text-align: center;
    font-size: 24px;
    margin-top: 20px;
}

.bb-custom-wrapper>nav a {
    display: inline-block;
    width: 40px;
    height: 40px;
    text-align: center;
    border-radius: 2px;
    background: #1247a5;
    color: #fff;
    font-size: 0;
    margin: 2px;
    border: 1px solid #fff;
}

.bb-custom-wrapper>nav a:hover {
    opacity: 0.8;
}

.bb-custom-icon:before {
    font-size: 20px;
    line-height: 40px;
    display: block;
    font-weight: normal;
}

.bb-custom-icon-first:before {
    content: "<<";
}

.bb-custom-icon-last:before {
    content: ">>";
}

.bb-custom-icon-arrow-left:before {
    content: "<";
}

.bb-custom-icon-arrow-right:before {
    content: ">";
}

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

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

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

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

.mb-title {
    display: none;
}

.cat-box {
    position: absolute;
    bottom: 40px;
}

header {
    display: none;
}

.list {
    width: 48px;
    height: 208px;
    position: absolute;
    top: 50%;
    right: 50%;
    display: inline-block;
    transform: translate(574px, -70%);
    font-size: 0;
}

.list img {
    margin-bottom: 5px;
}

.list img:hover {
    cursor: pointer;
}

.list a {
    width: 48px;
    height: 48px;
    display: inline-block;
}

.list a:hover {
    filter: alpha(opacity=50) !important;
    /*IE*/
    opacity: 0.5 !important;
}

.left-click,
.right-click {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Mobile
*/
@media screen and (max-width: 768px) {
    body {
        overflow-y: scroll;
        background-size: cover;
    }

    a {
        transition: none;
    }

    .bb-custom-firstpage {
        opacity: 0;
    }

    .bb-custom-wrapper {
        width: 90%;
        margin: 0 auto;
        height: auto;
    }

    .container {
        position: relative;
        width: 100%;
        height: auto;
        padding-top: 8vh;
    }

    .bb-custom-side.cover .wp {
        display: none;
    }

    .bb-custom-side.cover .mb-wp {
        font-size: 0.4rem;
        font-weight: bold;
        display: block;
        display: block;
        font-size: 0.36rem;
        font-weight: bold;
        margin-top: 1.8rem;
    }

    .bb-custom-side.cover {
        padding: 0.4rem;
    }

    .list {
        display: none;
    }

    .bb-bookblock {
        width: 200%;
        height: 10rem;
        position: relative;
        left: -100%;
    }

    .bb-custom-wrapper>nav {
        position: relative;
        left: 50%;
        transform: translateX(-50%);
        font-size: 0;
        margin-top: 0.6rem;
    }

    .bb-custom-side.cover .wp {
        font-size: 0.6rem;
    }

    .bb-custom-side p {
        font-size: 0.3rem;
    }

    .bb-custom-side.cover .scio {
        font-size: 0.2rem;
        width: 100%;
        bottom: 1.6rem;
    }

    .bb-custom-side.left-side .wp-title {
        font-size: 0;
    }

    .bb-custom-side.right-side .content {
        font-size: 0.36rem;
    }

    .bb-custom-side.right-side.cat .cat-list p {

        margin-bottom: 0.2rem;
    }

    .bb-custom-side.right-side.cat .cat-list p a {
        font-size: 0.22rem;
    }

    .bb-custom-side.right-side.cat .cat-list p:last-child {
        margin-bottom: 0;
    }

    .cat-box,
    .bb-custom-side.right-side.preface .textBox {
        bottom: 0.6rem;
    }

    .bb-custom-wrapper>nav a {
        width: 1.2rem;
        height: 0.8rem;
        margin: 0.2rem;
    }

    .bb-custom-side.right-side.preface .intro {
        font-size: 0.3rem;
    }

    .bb-custom-side.right-side::before {
        display: none;
    }

    .bb-custom-side.right-side {
        padding: 0.4rem;
    }

    .bb-custom-side.right-side.content-page .imgBox {
        width: 100%;
        height: auto;
        top: 0.6rem;
    }

    .bb-custom-side.right-side.content-page .imgBox img {
        width: 100%;
        height: auto;
    }

    .bb-custom-side.right-side.content-page .textBox {
        width: 80%;
        height: auto;
        bottom: 0.6rem;
        right: 50%;
        transform: translateX(50%);
    }

    .bb-custom-icon:before {
        font-size: 0.36rem;
        line-height: 0.8rem;
    }

    .bb-custom-side.right-side .line {
        display: none;
    }

    /* 移动端头部 */
    header {
        display: block;
        position: absolute;
        top: 0;
        width: 100%;
        height: 5.6vh;
        background: rgba(0, 0, 0, 0.2);
        background-position: center bottom;
        z-index: 2;
        padding: 0 4vw;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 0;
    }

    header a {
        position: relative;
    }

    header #CHINASCIO {
        height: 2.8vh;
        width: auto;
    }

    header .ftitle {
        opacity: 0;
        text-align: center;
        width: 40%;
        margin: 0 auto;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        font-size: 0.26rem;
        color: white;
        transition: opacity 0.3s ease-in-out;
    }

    header .share {
        display: inline-block;
        height: 2.8vh;
        font-size: 0.32rem;
        font-weight: bold;
    }

    header .share img {
        height: 2.8vh;
        width: auto;
    }

    header .share #facebook {
        margin-right: 1vw;
    }

    header .share #facebook,
    #cn,
    #en {
        margin-right: 4vw;
        color: #fff;
    }

    header #CHINASCIO,
    header .share,
    header .share img {
        height: 2vh;
        line-height: 2vh;
    }

    .right-click {
        height: 30%;
        bottom: 0;
        z-index: 1001;
        top: auto;
    }

    .bb-custom-side.right-side {
        position: relative;
    }
}