* {
    margin: 0px;
    padding: 0px;
}

body {
    position: relative;
    background-color: #fff;
    -webkit-tap-highlight-color: transparent;
    font-family: pingFang;

}
a {
    color: #fff;
    text-decoration: none;

}
@font-face {
    font-family: pingFang;
    src: url("font/pingFang/PingFang_Bold.ttf");
}

.current {
    /* border:1px solid; */
    box-sizing: border-box;
}

.section img {
    width: 100%;
    height: 100%;
}

.header-nav {
    height: 80px;
    width: 100%;
    position: fixed;
    top: 0px;
    left: 0px;
    background-color: #fff;
    box-shadow: 0px 0px 20px rgba(187,187,187,0.5);
    z-index: 999;
    padding: 2vw 5vw;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;

}

.nav-left {
    float: left;
}


.nav-left img {
    height: 50px;
    width: 127px;
}

.mean {
    height: 35px;
    width: 40px;
    background: url(images/官网切图/0标签/xhdpi/top_icon_open.png);
    background-size: 100% 100%;
    float: right;
    cursor: pointer;
}
.rotate{
    transform:rotate(-90deg);
    transition: all 1s;
}
.mean-content {
    width: 100%;
    position: fixed;
    top: 80px;
    left: 0px;
    opacity: 0;
    transform: translateY(-80vh);
    background-color: rgba(0,0,0,0.9);
    z-index: 10;

}

.showMean {
    opacity: 1;
    transform: translateY(0vh);
    transition: all 1s;
}

.mean-content ul {
    color: #fff;
    height: 100%;
    list-style: none;
}

.mean-content ul li {
    height: 25%;
    font-family: pingFang;
    font-size: 18px;
    margin: 0px 24px;
    padding: 6vw 0;
    border-bottom: 0.5px solid rgba(255,255,255,0.5);
}

.mean-content ul li a{
    display: block;
}
.mean-content ul li:last-child {
    border-bottom: none;
}

.mean-content .selected {
    color: #ff8300;
}

.show-nav {
    transition: all 1s;
    transform: translateY(0vw)
}

.hide-nav {
    transition: all 1s;
    transform: translateY(-80px)
}

.content {
    margin-top: 80px;
    width: 100%;
    height: 100%;
    overflow: hidden;

}

.firstPage {
    background: url(images/官网切图/1app下载/xhdpi/top_bg_image_green.png);
    background-size: 100% 50%;
    background-repeat: no-repeat;
    text-align: center;
    opacity: 0;
    transform: translateY(10vw);
}
.firstPage>img {
    width: 325px;
    height: 134px;
    margin-top: 18px;
    opacity: 0;
    transform: translateY(10vw);
}

.what-img{
    width: 300px;
    margin: 0 auto;
    margin-top: 9vw;
    opacity: 0;
    transform: translateY(10vw);
}
.what-img img{
    width: 100%;
    height: 100%;
}

.keketing-video{
    height: 200px;
    margin: 0px 8vw;
    position: relative;
    margin-bottom: 15vw;
    margin-top: 8vw;
    border-radius: 10px;
    background-color: #fff;
    border: 5px solid #fff;
    box-sizing: border-box;
    overflow: hidden;
    opacity: 0;
    transform: translateY(10vw);

}
.keketing-video>img{
    height: 100%;
    width: 100%
}


/* .math-video {
    width: 100%;
    height: 100%;
    border-radius: 10px;
   
    position: relative;
    opacity: 0;
    transform: translateY(5vw);
    background-color: #fff;
} */

.down-load-app {
    width: 249px;
    height: 95px;
    background: url(images/官网切图/1app下载/xhdpi/app_down_btn.png);
    background-size: 100% 100%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    margin-top: -17px;
    opacity: 0;
    transform: translateY(10vw);
}

.down-load-app:hover{
    transform: scale(1.1);
    transition: all 1s;
}

.down-load-app>img {
    width: 19px;
    height: 19px;
    margin-right: 2px;
}

.down-load-app>span {
    font-size: 18px;
    color: #FF8000;
}

.iphone-bg {
    background: url(images/官网切图/1app下载/xhdpi/iphone_image.png);
    background-size: 100% 100%;
    width: 329px;
    height: 544px;
    /* height: 160vw; */
    margin: 0 auto;
    margin-top: 100px;
    padding: 42px;
    padding-top: 33px;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(10vw);
}
.iphone-content{
    width: 100%;
    height: 100%;
    background-color: red;

}

#iphone {
    width: 223px;
    height: 452px;

}

#iphone img {
    width: 223px;
    height: 452px;

}


/* 第一张动画 */


.firstPage.current {
   transition: all 1s;
    opacity: 1;
    transform: translateY(0vw);
}
.firstPage.current #app-down-img {
    transition: all 1s 0.5s;
    opacity: 1;
    transform: translateY(0vw);
}
.firstPage.current .what-img{
    transition: all 1s 1s;
     opacity: 1;
     transform: translateY(0vw);
 }
 .firstPage.current .keketing-video{
    transition: all 1s 1.5s;
     opacity: 1;
     transform: translateY(0vw);
 }


.firstPage.current .down-load-app {
    transition: all 1s 2s;
    opacity: 1;
    transform: translateY(0vw);
}


.firstPage.current .iphone-bg {
    transition: all 2s 2.5s;
    opacity: 1;
    transform: translateY(0vw);
}



.chinesePage {
    /* padding: 2px 10vw; */
    background: url(images/官网切图/2语文/xhdpi/chinese_bg_image.png);
    background-size: 100% 431px;
    background-repeat: no-repeat;
    background-position: -3px 1px;
}

.chinese-top {
    height: 20vw;
    margin-top: 8px;
    padding: 0px 10vw;
}

.chinese-number {
    height: 100%;
    width: 90%;
    position: relative;
}

#chinese-top-img01 {
    position: absolute;
    top: 0px;
    right: -24px;
    height: 65px;
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw)
}

#chinese-top-img02 {
    position: absolute;
    top: 45%;
    right: -24px;
    height: 25px;
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw)
}

#chinese-top-img03 {
    font-size: 24px;
    color: #555555;
    font-weight: 700;
    position: absolute;
    bottom: -13px;
    right: -24px;
    height: 22px;
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw)
}
.teacher{
    width: 100%;
    margin-top: 60px;
    display: flex;
    align-items: center;
    padding:0vw 5vw;
    box-sizing: border-box;
}
.teacher-image{
    width: 50%;
    opacity: 0;
    transform: translateY(10vw);

}
.teacher-image img{
    width: 100%;
}
.teacher-des{
    font-size: 12px;
    color: #868686;
    margin-left: 10px;
    opacity: 0;
    transform: translateY(10vw);
}
.teacher-title{
    color: #7fc335;
    font-size: 14px;
}

.chinese-bottom {
    list-style: none;
    overflow: hidden;
}

#swiper-container {
    width: 100%;
    opacity: 0;
    transform: translateY(10vw);
}
.chinesePage .swiper-slide{
   padding: 0px 10vw;
   box-sizing: border-box;
}


#swiper-container .swiper-slide>img:first-child {
    display: block;
    width: 125px;
    height: 120px;
    margin: 10vw auto;
    margin-top: 20vw;

}

#swiper-container .swiper-slide>img:nth-child(2) {
    display: block;
    width: 20vw;
    height: 5vw;
    margin: 6vw auto;
}

#swiper-container p {
    width: 100%;
    font-family: pingFang;
    text-align: center;
    color: #666666;
}

/* .swiper-slide .chinese-span02 {
        width: 110%;
    }  */
.swiper-pagination-bullet-active {
    opacity: 1;
    background: #7fc335 !important;
}

.chinese-video {
    margin-top: 2vw;
    width: 187px;
    height: 70px;
    padding: 2vw;
    box-sizing: border-box;
    background: url(images/官网切图/2语文/xhdpi/chinese_btn_preview.png);
    background-size: 100% 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10vw auto;
    cursor: pointer;
}

.chinese-video02 {
    margin-top: 2vw;
    width: 217px;
    height: 70px;
    padding: 2vw;
    box-sizing: border-box;
    background: url(images/官网切图/2语文/xhdpi/chinese_btn_reading.png);
    background-size: 100% 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10vw auto;
    margin-top: 16vw;
    cursor: pointer;
}


.chinese-video .chinese-video-content {
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
}
.chinese-video02 .chinese-video-content02 {
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
}

#swiper-container .chinese-video .chinese-video-content span {
    font-size: 16px;
    text-shadow: 0px 2px 4px #EF9561;
    color: #fff;
}


#swiper-container .chinese-video02 .chinese-video-content02 span {
    font-size: 16px;
    text-shadow: 0px 2px 4px #4ACC9A;
    color: #fff;
}

.swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 16px;
    left: 0;
    width: 100%;
}


.chinese-video .chinese-video-content img:first-child {
    width: 20px;
    height: 24px;
    margin-right: 2px;
}

.chinese-video02 .chinese-video-content02 img:first-child {
    width: 20px;
    height: 24px;
    margin-right: 2px;
}



.swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 0 3px;
}

.swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    margin-left: 6px;
    display: inline-block;
    border-radius: 100%;
    background: #cccccc;
}
/* 语文动画 */

.chinesePage.current .chinese-number #chinese-top-img01 {
    transition: all 1s;
    opacity: 1;
    transform: translateX(0vw)
}

.chinesePage.current .chinese-number #chinese-top-img02 {
    transition: all 1s 0.5s;
    opacity: 1;
    transform: translateX(0vw)
}

.chinesePage.current .chinese-number #chinese-top-img03 {
    transition: all 1s 1s;
    opacity: 1;
    transform: translateX(0vw)
}
.chinesePage.current .teacher-image {
    transition: all 1s 1.5s;
    opacity: 1;
    transform: translateY(0vw);
}
.chinesePage.current .teacher-des {
    transition: all 1s 2s;
    opacity: 1;
    transform: translateY(0vw);
}
.chinesePage.current #swiper-container {
    transition: all 1s 2.5s;
    opacity: 1;
    transform: translateY(0vw)
}

/* .chinesePage.current .chinese-video {
    transition: all 1s 2.2s;
    opacity: 1;
    transform: translateY(0vw);
   
} */

/* .chinesePage.current .chinese-bottom li:nth-child(2) {
    transition: all 1s 1.6s;
    opacity: 1;
    transform: translateY(0vw)
}

.chinesePage.current .chinese-bottom li:last-child {
    transition: all 1s 1.9s;
    opacity: 1;
    transform: translateY(0vw)
}


.chinesePage.current .chinese-video:hover .chinese-video-content {
    transform: scale(1.05);
    transition: all 1s;
}  */


/* 数学专辑 */
.mathPage {
    width: 100%;
    height: 729px;
    margin-top: 16px;
    background: url(images/官网切图/3数学/xhdpi/math_bg_image.png);
    background-size: 100% 100%;
    /* background-color: #f8e71c; */
    padding: 10vw;
    padding-bottom: 20vw;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(5vw);
}

.math-left {
    width: 100%;
    height: 100%;
    margin-top: 42px;
}

.math-number {
    height: 11vh;
    width: 100%;
    position: relative;

}

#math-number01 {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 46px;
    height: 66px;
    z-index: 1;
    opacity: 0;
    transform: translateY(5vw)
}

#math-number02 {
    position: absolute;
    top: 48%;
    left: 0px;
    height: 25px;
    /* width: 208px; */
    z-index: 1;
    opacity: 0;
    transform: translateY(5vw)
}

#math-number03 {
    position: absolute;
    bottom: -32px; 
    left: 0px;
    font-size: 24px;
    color: #464000;
    font-weight: 700;
    z-index: 1;
    opacity: 0;
    transform: translateY(5vw)
}

.math-recommend {
    margin-top: 18%;
    width: 100%;

}

.math-recommend p:first-child {
    height: 40%;
    width: 100%;
    opacity: 0;
    transform: translateY(5vw);
    font-family: pingFang;
    color: #595200;
    text-align: left;

}

.math-recommend .math-bottom-span {
    height: 20%;
    width: 100%;
    opacity: 0;
    transform: translateY(5vw);
    font-family: pingFang;
    color: #595200;
    text-align: left;
    display: inline-block;
}


.math-calculation {
    margin-top: 5vw;
    height: 62px;
    width: 132px;
    background: url(images/官网切图/3数学/xhdpi/math_quick\ calculation_btn.png);
    background-size: 100% 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(5vw);
    border-radius: 20px;
    /* box-shadow: 0px 0px 15px #ff8d2a; */
}


.math-calculation img {
    height: 14px;
    width: 8px;
    margin-left: 4px;
}

/* 数学右侧 */
.math-right {
    float: right;
    width: 100%;
    height: 180px;
    position: relative;
    margin-bottom: 8vw;
    margin-top: 8vw;
}

.math-video {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    box-sizing: border-box;
    border: 5px solid #ff9e00;
    position: relative;
    opacity: 0;
    transform: translateY(5vw);
    background-color: #fff;
}

.math-video img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    position: absolute;
    z-index: 10;
}

.math-video-player {
    width: 68px;
    height: 66px;
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 100;
    transform: translate(-50%, -50%);
}

#mathVideo01 {
    position: absolute;
    top: 0%;
    left: 1%;
    width: 98%;
    height: 98%;
    border-radius: 20px;
}

.cover {
    position: absolute;
    top: 0px;
    left: 0px;
    z-index: 100;
    width: 100%;
    height: 100%;
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.5);
}

.math-video-player img {
    width: 100%;
    height: 100%;
}


/* 数学动画 */
.mathPage.current {
    transition: all 1s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current #math-number01 {
    transition: all 1s 0.4s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current #math-number02 {
    transition: all 1s 0.8s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current #math-number03 {
    transition: all 1s 1.2s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current .math-recommend p:first-child {
    transition: all 1s 1.6s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current .math-video {
    transition: all 2s 2s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current .math-recommend span {
    transition: all 1s 2.5s;
    opacity: 1;
    transform: translateY(0vw);
}

.mathPage.current .math-calculation {
    transition: all 1s 3s;
    opacity: 1;
    transform: translateY(0vw);
}







/* 英语专栏 */
.englishPage {
    width: 100%;
    /* height: 60vw; */
    background-size: 100% 100%;
    /* padding: 10vw; */
    padding-bottom: 7vw;
    box-sizing: border-box;
    overflow: hidden;
}

.english-right {
    margin-top: 10vw;
    width: 100%;
    position: relative;
}

.english-number {
    height: 18vw;
    width: 100%;
    position: relative;

}

#english-number01 {
    position: absolute;
    top: 0px;
    right: 10vw;
    height: 67px;
    width: 48px;
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw)
}

#english-number02 {
    position: absolute;
    top: 8.5vw;
    right: 10vw;
    height: 25px;
    /* width: 45vw; */
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw);
}

#english-number03 {
    position: absolute;
    bottom: -34px;
    right: 10vw;
    font-size: 24px;
    color: #555555;
    font-weight: 700;
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw);
}

.english-recommend {
    margin-top: 6%;
    width: 100%;
    background: url(images/官网切图/4英语/xhdpi/english_bg_image.png);
    background-size: 100% 342px;
    background-repeat: no-repeat;
    background-position: 0px 87px;
}

.english-recommend .english-say {
    width: 100%;
    display: flex;
    flex-flow: column;
    align-items: center;
    text-align: left;
    margin-top: 6vw;
    box-sizing: border-box;
    padding: 10vw;

}

.english-say .say-div {
    width: 173px;
    height: 69px;
    border-radius: 20px;
    float: left;
    background: url(images/官网切图/4英语/xhdpi/english_ai.png);
    background-size: 100% 100%;
    margin-bottom: 3vw;
    opacity: 0;
    transform: translateY(10vw);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    /* padding: 3vw; */
    font-size: 18px;
    text-shadow: 0px 2px 4px #68ac1d;
}

.english-say p {
    width: 100%;
    float: right;
    /* margin-top: 1vw; */
    opacity: 0;
    transform: translateY(10vw);
    font-family: pingFang;
    color: #666666;
    text-align: left;
    font-size: 16px;

}

.english-recommend .english-dian {
    /* height: 20%; */
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-flow: column;
    align-items: center;
    padding: 10vw;
    padding-top: 0vw;
    box-sizing: border-box;

}

.english-dian .dian-div {
    margin-top: 1%;
    height: 80px;
    width: 230px;
    border-radius: 20px;
    background:url(images/官网切图/4英语/xhdpi/english_ai.png);
    background-size: 100% 100%;
    margin-bottom: 3vw;
    float: left;
    opacity: 0;
    transform: translateY(10vw);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    /* padding: 3vw; */
    font-size: 18px;
    text-shadow: 0px 2px 4px #68ac1d;
}

.english-dian p {
    /* margin-top: 4%; */
    height: 20%;
    width: 100%;
    float: right;
    opacity: 0;
    transform: translateY(10vw);
    font-family: pingFang;
    /* font-size: 1.45vw; */
    color: #666666  ;
}

.english-calculation {
    margin-top: 2vw;
    height: 9%;
    width: 30%;
    background: url(images/官网切图/3数学/xhdpi/math_quick_calculation_btn.png);
    background-size: 100% 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.english-calculation img {
    vertical-align: middel;
    height: 40%;
}

/* 英语动画 */

.englishPage.current #english-number01 {
    transition: all 1s;
    opacity: 1;
    transform: translateY(0vw)
}

.englishPage.current #english-number02 {
    transition: all 1s 0.2s;
    opacity: 1;
    transform: translateY(0vw)
}


.englishPage.current #english-number03 {
    transition: all 1s 0.4s;
    opacity: 1;
    transform: translateY(0vw)
}

.englishPage.current .english-say .say-div  {
    transition: all 1s 0.6s;
    opacity: 1;
    transform: translateY(0vw)
}

.englishPage.current .english-say p {
    transition: all 1s 0.8s;
    opacity: 1;
    transform: translateY(0vw)
}

.englishPage.current .english-dian .dian-div {
    transition: all 1s 1s;
    opacity: 1;
    transform: translateY(0vw)
}

.englishPage.current .english-dian p {
    transition: all 1s 1.2s;
    opacity: 1;
    transform: translateY(0vw)
}

.englishPage.current .english-left {
    transition: all 2s;
    opacity: 1;
    transform: translateY(0vw)
}






/* 专题 */
.specialPage {
    width: 100%;
    /* height: 99vw; */
    padding: 10vw;
    box-sizing: border-box;
    padding-top: 0vw;
}

.special-top {
    width: 100%;
}

.special-number {
    height: 17vw;
    position: relative;

    margin-top: 4vw;
}


#special-number01 {
    position: absolute;
    top: 0px;
    left: 0px;
    /* height: 100%; */
    width: 48px;
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw)
}

#special-number02 {
    position: absolute;
    top: 48%;
    left: 0vw;
    height:25px;
    /* width: 50vw; */
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw)
}

#special-number03 {
    position: absolute;
    bottom: -30px;
    left: 1vw;
    font-size: 24px;
    color: #555555;
    font-weight: 700;
    /* width: 24vw; */
    z-index: 1;
    opacity: 0;
    transform: translateY(10vw);
}

.special-bottom {
    width: 100%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(10vw);
    /* animation: runRound 5s linear infinite; */
}

.special-content {
    width: 80vw;
    height: 80vw;
    margin: 0 auto;
    margin-top: 9vw;
    position: relative;
}

.special-box01 {
    width: 71.2vw;
    height: 71.2vw;
    background-color: #fff;
    border: 2px solid rgba(245,241,249,0.5);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.special-box02 {
    width: 53.4vw;
    height: 53.4vw;
    background-color: #ecf3ff;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: changeHeight 3s linear infinite;
}

.special-box03 {
    width: 44.5vw;
    height: 44.5vw;
    background-color: #d9e6ff;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: changeHeight 3s linear infinite;
}

.special-bag {
    width: 139px;
    height: 172px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.special-bag img {
    width: 100%;
    height: 100%;
}

.composition {
    position: absolute;
    opacity: 1;
    top: 10%;
    left: 25%;
    cursor: pointer;
    transform: translate(-50%, -50%);
}

.special-select img:first-child {
    width: 68px;
    height: 76px;
    /* height: 18vw; */
    /* border-radius: 50%;
    position: absolute;
    top: 0%;
    left: 0%; */
}

.special-select p {
    text-align: center;
    margin-top: -5vw;
    font-size: 14px;
    color: #666666;
}

/* .special-select:hover {
    width: 16%;
    height: 20%;
    border-radius: 50%;
    transition: all 1s 0s !important;
} */

.special-select:hover img:first-child {
    box-shadow: 0px 0px 10px #ccc;
}

.special-select:hover img:first-child {
    box-shadow: 0px 0px 10px #ccc;
}


/* 故事 */
.gu-shi {
    position: absolute;
    opacity: 1;
    /* top: 40%;
    left: 42%; */
    top: 30%;
    left: -9%;

}

.bai-ke {
    opacity: 1;
    position: absolute;
    /* bottom: 42%;
    left: 42%; */
    bottom: 4%;
    left: 3%;
}

.english {
    opacity: 1;
    position: absolute;
    /* bottom: 42%;
    left: 49%; */
    bottom: -12%;
    left: 50%;
    transform: translateX(-50%)
}

.ao-shu {
    opacity: 1;
    position: absolute;
    bottom: 2%;
    right: 4%;
}

.li-shi {
    opacity: 1;
    position: absolute;
    /* top: 40%;
    right: 44%; */
    top: 35%;
    right: -9%;
}

.guo-xue {
    opacity: 1;
    position: absolute;
    /* top: 40%;
    right: 44%; */
    top: -3%;
    right: 11%;
}

.special-footer {
    margin: 0 auto;
    margin-top: 12vw;
    width: 100%;
    opacity: 0;
    transform: translateY(5vw);
    font-family: pingFang;
    color: #666666;
    text-align: left;
}

.special-footer img {
    width: 100%;
    height: 100%;
}


/* 专题动画 */
.specialPage.current #special-number01 {
    transition: all 1s;
    opacity: 1;
    transform: translateY(0vw)
}

.specialPage.current #special-number02 {
    transition: all 1s 0.5s;
    opacity: 1;
    transform: translateY(0vw)
}

.specialPage.current #special-number03 {
    transition: all 1s 1s;
    opacity: 1;
    transform: translateY(0vw)
}

/* .specialPage.current .composition{
    transition: all 1s 2s;
    opacity: 1;
    position: absolute;
    top: 20%;
    left: 18%;
}
.specialPage.current .gu-shi{
    transition: all 1s 2.2s;
    opacity: 1;
    position: absolute;
    top: 40%;
    left: 0%;
} 

.specialPage.current .bai-ke{
    transition: all 1s 2.4s;
    opacity: 1;
    position: absolute;
    bottom: 10%;
    left: 10%;
}

.specialPage.current .english{
    transition: all 1s 2.6s;
    opacity: 1;
    position: absolute;
    bottom: -4%;
    left: 50%;
}

.specialPage.current .ao-shu{
    transition: all 1s 2.8s;
    opacity: 1;
    position: absolute;
    bottom: 10%;
    right: 10%;
}

.specialPage.current .li-shi{
    transition: all 1s 3s;
    opacity: 1;
    position: absolute;
    top: 40%;
    right: 0%;
}
.specialPage.current .guo-xue{
    transition: all 1s 3.2s;
    opacity: 1;
    position: absolute;
    top: 11%;
    right: 11%;
} */


.specialPage.current .special-footer {
    transition: all 1s 1.5s;
    opacity: 1;
    transform: translateY(0vw)
}


.specialPage.current .special-bottom {
    transition: all 1s 2s;
    opacity: 1;
    transform: translateY(0vw);
}


@keyframes changeHeight {
    0% {
        width: 80%;
        height: 80%;
    }

    50% {
        width: 90%;
        height: 90%;
    }

    100% {
        width: 80%;
        height: 80%;
    }
}

@keyframes runRound {
    0% {
        transform: rotate(0deg)
    }

    100% {
        transform: rotate(360deg)
    }
}






/* 三大优势 */
.three-advantage {
    width: 100%;
    /* height: 80vw; */
    /* padding: 5vw; */
    box-sizing: border-box;
    margin-top: 20vw;
}

.three-title {
    width: 100%;
    text-align: center;
    font-family: pingFang;
    margin: 0 auto;
    font-size: 24px;
    opacity: 0;
    color: #555555;
    transform: translateY(5vw)
}

.three-title img {
    width: 100%;
    height: 100%;

}

.three-select {
    width: 100%;
    margin-top: 6vw;
    padding: 0px 3vw;
    box-sizing: border-box;
}

.three-select ul {
    list-style: none;
    width: 100%;
    display: flex;
    justify-content: space-evenly;
}
#three-banner {
    margin-left: auto;
    margin-right: auto;
    position: relative;
    overflow: visible;
    z-index: 1;
}
.three-select ul li {
    float: left;
    list-style: none;
    width: 118px;
    height: 60px;
    /* padding: 9px 25px; */
    background: url(images/官网切图/7三大优势/xhdpi/advantage_btn_normal.png);
    background-size: 100% 100%;
    color: #ff8d2a;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    cursor: pointer;
    font-weight: 600;
    font-family: pingFang;
    opacity: 0;
    transform: translateY(10vw)
}

.three-select ul li:nth-child(2) {
    opacity: 0;
    transform: translateY(10vw)
}

.three-select ul li:last-child {
    opacity: 0;
    transform: translateY(10vw)
}

.three-select .select-active {
    background: url(images/官网切图/7三大优势/xhdpi/advantage_iamge_one.png);
    background-size: 100% 100%;
    color: #fff;
    transition: all 0.5s !important;
}

.three-banner {
    width: 100%;
    height: 47vw;
    box-sizing: border-box;
    margin-top: 4vw;
    opacity: 0;
    transform: translateY(5vw)
}

#three-banner {
    width: 100%;
    height: 85vw;
    padding-bottom: 10vw;
    opacity: 0;
    transform: translateY(10vw);
}

/* .three-banner ul {
    list-style: none;
    width: 332%;
    height: 100%;
    perspective: 800px;
    transform-style: preserve-3d;
} */

.three-item {
    box-shadow: 0px 0px 24px rgba(204,204,204,0.5);
    border-radius: 2vw;
    text-align: center;
    padding: 0vw 5vw 4vw;
    margin: 3.3vw;
    margin-top: 5vw;
    box-sizing: border-box;
    height: 300px;

}

.three-item>img {
    width: 100% !important;
    margin: 0px auto !important;
    padding-top: 2vw;
}

.three-item .one-p {
    text-align: left;
    font-family: pingFang;
    margin: 0px 2px;
    margin-left: 14px;
    margin-top: 8vw;
    font-size: 14px;
    color: #666666;
}
.three-item p {
    text-align: center;
    font-family: pingFang;
    font-size: 10px;
    margin-top: 5vw;
    color: #666666;
}
.three-item ul{
    width: 100%;
    overflow: hidden;
    list-style: none;
}
.three-item ul li{
    width: 32%;
    float: left;
    margin-right: 2%;
}
.three-item ul li:last-child{
    margin-right: 0%;
}
.three-item ul li img{
    width: 100%;
    padding-top: 5vw;
}
.three-item .book-list li img{
    width: 100%;
    padding-top: 6vw;
}

.three-item .book-list li span{
    font-size: 14px;
}
.three-item ul li span{
    font-size: 12px;
    font-family: pingFang;
    color: #444;
    display: inline-block;
    transform: translateY(-8px);
}
.three-banner ul li:nth-child(2) {
    margin: 0px 12vw;
}

.three-banner ul li img:first-child {
    width: 52%;
    height: 3.5%;
    margin-top: 5.2vw;
}

.three-banner ul li img:last-child {
    width: 67.9%;
    height: 51%;
    margin-top: 8vw;
}
.second-left{
    float: left;
    width: 50%;
    text-align: center;
    display: flex;
    flex-direction: column;
}
.second-right{
    float: left;
    width: 50%;
    display: flex;
    flex-direction: column;
}
.second-left-img {
    width: 80%;
    float: left;
    margin:0 auto;
    margin-top: 1rem;
}

.second-right-img {
    width: 80%;
    float: left;
    margin:0 auto;
    margin-top: 1rem;

}
.third-content{
    height: 82%;
    background: url(images/官网切图/7三大优势/xhdpi/copywriting_image.png);
    background-size: 100% 60%;
    background-repeat: no-repeat;
    background-position: 50% 80%;
}
.three-item .third-content li{
    width: 100%;
}
.third-content li p{
    margin: 5px 0;
    text-align: left;
}
.three-advantage .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 0px;
    left: 0;
    width: 100%;
}


/* 三大优势动画 */


.three-advantage.current .three-select ul li:first-child {
    transition: all 1s;
    opacity: 1;
    transform: translateY(0vw);
}

.three-advantage.current .three-select ul li:nth-child(2) {
    transition: all 1s 0.3s;
    opacity: 1;
    transform: translateY(0vw);
}

.three-advantage.current .three-select ul li:last-child {
    transition: all 1s 0.6s;
    opacity: 1;
    transform: translateY(0vw);
}

.three-advantage.current #three-banner {
    transition: all 1s 1s;
    opacity: 1;
    transform: translateY(0vw);
}





.vip-user {
    padding-top: 20vw;
    width: 100%;
    height: 670px;                           ;
    background: url(images/官网切图/8会员反馈/xhdpi/vip_bg_iamge.png);
    background-size: 100% 100%;
    margin-top: 5vw;
    /* margin-bottom: 5vw; */
    position: relative;
    opacity: 0;
    transform: translateY(10vw);

}

.vip-user-title {
    font-family: pingFang;
    font-size: 24px;
    color: #555555;
    text-align: center;
    opacity: 0;
    transform: translateY(5vw)
}

.vip-user-title img {
    width: 100%;
    height: 100%;

}


.vip-user-item {
    height: 68vw;
    width: 100%;
    /* border: 1px solid; */
}

.vip-user-item ul {
    list-style: none;
    padding: 6vw 15px;
}

.vip-user-item li {
    height: 28vw;
    /* border: 1px solid; */
    position: relative;
    margin-bottom: 6vw;
    cursor: pointer;
}

.user-image {
    position: absolute;
    width: 64px;
    height: 64px;
    bottom: -0.7vw;
    left: 16px;
    opacity: 0;
    transform: translateY(5vw);
}
.vip-user-item li:nth-child(even) .user-image{
    /* border: 1px solid; */
    position: relative;
    bottom: -6.3vw;
    margin-bottom: 1vw;
    cursor: pointer;
    float: right;
    margin-right: 32px;
}
.user-image img {
    width: 100%;
    height: 100%;
}

/* .user-image-voice {
    position: absolute;
    top: 23px;
    left: 82px;
    width: 246px;
    height: 50px;
    background: url(images/官网切图/8会员反馈/xhdpi/vip_user_voice.png);
    background-size: 100% 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 4.5vw;
    font-weight: 550;
    font-family: pingFang;
    opacity: 0;
    transform: translateY(5vw);
} */

.vip-user-item li:nth-child(odd) .user-image-voice{
    position: absolute;
    top: 23px;
    left: 82px;
    width: 246px;
    height: 50px;
    background: url(images/官网切图/8会员反馈/xhdpi/vip_user_voice.png);
    background-size: 100% 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 14px;
    font-weight: 550;
    font-family: pingFang;
    opacity: 0;
    transform: translateY(5vw);
   
}





.vip-user-item li:nth-child(even) .user-image-voice{
    width: 246px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 14px;
    font-weight: 550;
    font-family: pingFang;
    opacity: 0;
    transform: translateY(5vw);
    position: absolute;
    top: 6px;
    right: 84px;
    background: url(images/官网切图/8会员反馈/xhdpi/vip_user_voice_right.png);
    background-size: 100% 100%;
   
}
.user-image-voice img {
    width: 26px;
    height: 18px;
    margin-right: 1vw;
}


/* 会员家长动画 */
.vip-user.current {
    transition: all 1s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-title {
    transition: all 1s 0.2s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-item li:nth-child(1) .user-image {
    transition: all 1s 0.5s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-item li:nth-child(1) .user-image-voice {
    transition: all 1s 1s;
    opacity: 1;
    transform: translateY(0vw)
}
.vip-user.current .vip-user-item li:nth-child(2) .user-image {
    transition: all 1s 1.5s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-item li:nth-child(2) .user-image-voice {
    transition: all 1s 2s;
    opacity: 1;
    transform: translateY(0vw)
}
.vip-user.current .vip-user-item li:nth-child(3) .user-image {
    transition: all 1s 2.5s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-item li:nth-child(3) .user-image-voice {
    transition: all 1s 3s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-item li:nth-child(4) .user-image {
    transition: all 1s 3.5s;
    opacity: 1;
    transform: translateY(0vw)
}

.vip-user.current .vip-user-item li:nth-child(4) .user-image-voice {
    transition: all 1s 4s;
    opacity: 1;
    transform: translateY(0vw)
}








/* 关于我们 */
.about {
    width: 100%;
    margin-bottom: 20vw;
}

.about-title {
    text-align: center;
    font-family: pingFang;
    font-size: 24px;
    color: #555555;
    opacity: 0;
    transform: translateY(5vw);
}


.about-title img {
    width: 100%;
    height: 100%;
}

.about-content {
    width: 90.8vw;
    /* height: 34.7vw; */
    margin: 0 auto;
    box-shadow: 0px 0px 24px rgba(204,204,204,0.5);
    margin-top: 5vw;
    
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(5vw);
    border-radius: 8px;
}

.about-content-left {
    /* float: left; */
    position: relative;
    height: 100%;
    /* width: 45%; */
    opacity: 0;
    transform: translateY(10vw);
}
.about-content-left .coordinate{
    position: absolute;
    top: 22%;
    left: 48%;
    width: 25px;
    height: 31px; 
    animation: downUp 2s infinite;
}


@keyframes downUp {
    0% {
        top: 17%;
    }

    50% {
        top: 20%;
    }

    100% {
        top: 17%;
    }
}
.about-content-left img {
    width: 100%;
    height: 100%;
}

.about-content-right {
    /* float: right; */
    height: 100%;
    /* width: 52%; */
    padding-top: 1.5vw;
    opacity: 0;
    transform: translateY(10vw);
    padding: 2vw 5vw;
    padding-left: 6vw;
}

.about-content-right p:first-child {
        /* height: 1.8vw; */
    /* width: 6.4vw; */
    /* font-size: 1.5vw; */
    font-size: 18px;
    font-family: pingFang;
    color: #444444;
}

.about-content-right p:last-child {
    /* height: 17.7vw; */
    font-size: 14px;
    font-family: pingFang;
    color: #666666;
    margin-bottom: 16px;
}

.small-title {
    opacity: 0;
    transform: translateY(10vw);
}

.small-title p {
    font-family: pingFang;
}

.about-img {
    width: 5vw;
    height: 1vw;
    border-radius: 1vw;
    transform: translateY(-8px);
}

.about-content-left:hover {
    transform: scale(1.2) !important;
    transition: all 1s 0s !important;
}
/* .about-content-left img:hover .coordinate{
    position: absolute;
    top: 25%;
    left: 26.4%;
    transition: all 1s 0s;
} */

.about-content-left img {
    transition: all 1s 0s;
}

.about-content-right img:last-child:hover {
    height: 20.7vw;
    width: 38vw;
    transition: all 1s 0s;
}

.about-content-right img:last-child {
    transition: all 1s 0s;
}









/* 关于我们动画 */
.about.current .about-title {
    transition: all 1s;
    opacity: 1;
    transform: translate(0vw)
}

.about.current .small-title {
    opacity: 1;
    transform: translateY(0vw);
    transition: all 1s 0.5s;
}

.about.current .about-content {
    transition: all 1s 1s;
    opacity: 1;
    transform: translate(0vw)
}

.about.current .about-content-left {
    transition: all 1s 1.5s;
    opacity: 1;
    transform: translate(0vw)
}

.about.current .about-content-right {
    transition: all 1s 2s;
    opacity: 1;
    transform: translate(0vw)
}







.follow {
    /* height: 44.3vw; */
    width: 100%;
    background: url(images/官网切图/10联系我们/xhdpi/follow_bg_iamge.png);
    background-size: 100% 100%;
    /* background-color: #ffc107; */
    opacity: 0;
    transform: translateY(10vw);
}

.follow p{
   font-size: 16px;
}
.follow-top {
    height: 80%;
    width: 100%;
    opacity: 0;
    transform: translateY(10vw);
}

.follow-left {
    opacity: 0;
    transform: translateY(10vw);
    font-family: pingFang;
    color: #464000;
    padding: 0vw 8vw;
    padding-top: 10vw;

}

.follow-right {
    opacity: 0;
    transform: translateY(10vw);

}



.tel {
    margin-top: 10vw;
}
.tel p{
    padding: 5px 0px;
}



.mail {
    margin-top: 2vw;
}
.serve-time p{
    padding-top: 16px;
}

.address {
    margin-top: 16px;
}



.follow-right-content {
    width: 100%;
}

.follow-right-content ul {
    list-style: none;
    overflow: hidden;
    height: 100%;
    width: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    margin-top: 6vw;
    padding: 0vw 4vw;
    box-sizing: border-box
}

.follow-right-content ul li {
    float: left;
    height: 100%;
    width: 172px;

}

.follow-right-content ul li img {
    width: 100%;
}

.follow-right-content ul li p {
    font-family: pingFang;
    color: #464000;
    font-size: 14px;
    margin-top: -6px;
}


.follow-bottom {
    width: 100%;
    text-align: center;
    font-family: pingFang;
    margin-top: 4vw;
    padding: 5vw;
    padding-bottom: 2vw;
    box-sizing: border-box;
    color: #464000;
    opacity: 0;
    transform: translateY(10vw);
}
.follow-bottom p{
   font-size: 14px;
}
.follow-bottom img {
    width: 28.2vw;
}


.follow.current {
    transition: all 1s;
    opacity: 1;
    transform: translate(0vw)
}

.follow.current .follow {
    transition: all 1s;
    opacity: 1;
    transform: translateY(0vw)
}

.follow.current .follow-top {
    transition: all 1s 1s;
    opacity: 1;
    transform: translateY(0vw)
}

.follow.current .follow-left {
    transition: all 1s 1.5s;
    opacity: 1;
    transform: translateY(0vw)
}

.follow.current .follow-right {
    transition: all 1s 2s;
    opacity: 1;
    transform: translateY(0vw)
}

.follow.current .follow-bottom {
    transition: all 1s 2.5s;
    opacity: 1;
    transform: translateY(0vw)
}

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {
    .example {
        background: green;
    }
}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
    .example {
        background: blue;
    }
}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
    .example {
        background: orange;
    }
}

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {
    .example {
        background: pink;
    }
}

.video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    background-color: rgba(0, 0, 0, 1);
    display: none;
}

.video .video-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    z-index: 20000;
    /* background-color: red; */
}

.video .video-content video {
    width: 100%;
    height: 100%;
}


.cancel-video {
    position: absolute;
    top: 2vw;
    right: 2vw;
    z-index: 30000;
    width: 6vw;
    height: 6vw;
    cursor: pointer;
}

.cancel-video img {
    width: 100%;
    height: 100%;
}