html, body, div, span, p, a, em, img {
    margin: 0;
    padding: 0;
    border: 0;
    font-weight: inherit;
    font-style: inherit;
    font-size: 100%;
    font-family: Helvetica, Microsoft yahei, Arial;
}
a img {
    border: none;
    vertical-align: top
}
a {
    text-decoration: none
}
ul, li {
    list-style: none;
    margin: 0;
    padding: 0;
}
html {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: hidden;
    font-family: helvetica;
    background-repeat: repeat-x;
    background-size: 59px 25px;
    -webkit-user-select: none;
}
body {
    word-wrap: break-word;
    word-break: break-all;
    width: 100%;
    height: 100%;
    position: relative;
    /*overflow: hidden;*/
    background: #edf1f5;
}
* {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0)
}
.loading {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #edf1f5;
    z-index: 9999;
}
.clearfix:before, .clearfix:after {
    content: "";
    display: table;
}
.clearfix:after {
    clear: both;
}
.animated {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
}
.warp {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #edf1f5 url(../images/bg.png) no-repeat bottom center;
    background-size: 100% 224px;
    padding: 0 1.5rem;
    z-index: 9;
}
.warp-out{
-webkit-animation:flipOutX 1s .2s ease both;
animation:flipOutX 1s .2s ease both;}
@-webkit-keyframes flipOutX{
0%{-webkit-transform:perspective(400px) rotateX(0deg);
opacity:1}
100%{-webkit-transform:perspective(400px) rotateX(90deg);
opacity:0}
}
@keyframes flipOutX{
0%{transform:perspective(400px) rotateX(0deg);
opacity:1}
100%{transform:perspective(400px) rotateX(90deg);
opacity:0}
}
/* header */

.header {
    text-align: center;
    height: 40px;
    padding-top: 15px;
}
.count-list {} .count-item {
    height: 40px;
    line-height: 40px;
    display: inline-block;
    padding: 0 10px;
}
.icon {
    background: #edf1f5 url(../images/icon.png) no-repeat bottom center;
    background-size: 48px auto;
    height: 21px;
    width: 21px;
    display: inline-block;
    vertical-align: middle;
}
.icon.correct {
    background-position: 0 0;
}
.icon.wrong {
    background-position: -27px -27px;
}
.icon.do-not-known {
    background-position: 0 -27px;
}
.correct-number, .wrong-number, .do-not-known-number {
    display: inline-block;
    vertical-align: middle;
}
/* content */

.container {
    position: relative;
}
.question {
    position: absolute;
    top: 70px;
    z-index: 2;
    width: 100%;
}
.content {
    /*-webkit-transition: all .5s ease-in-out;
    transition: all .5s ease-in-out;*/
    position: absolute;
    width: 100%;
    top: 0;
}
.front {
    z-index: 4;
    display: block;
}
.back {
    display: none;
}
.out {
    -webkit-animation: rotateOutUpLeft .5s .3s ease both;
    animation: rotateOutUpLeft .5s .3s ease both;
    z-index: 99;
}
@-webkit-keyframes rotateOutUpLeft {
    0% {
        -webkit-transform-origin: left top;
        -webkit-transform: rotate(0);
        opacity: 1
   }
   100% {
       -webkit-transform-origin: left top;
       -webkit-transform: rotate(-90deg);
       opacity: 0
  }
}
@keyframes rotateOutUpLeft {
    0% {
        transform-origin: left top;
        transform: rotate(0);
        opacity: 1
   }
   100% {
       transform-origin: left top;
       transform: rotate(-90deg);
       opacity: 0
  }
}
.word {
    height: 140px;
    line-height: 140px;
    text-align: center;
    border-radius: 20px 20px 0 0;
    background: #f1535c;
    font-size: 2.5rem;
    font-weight: bold;
    color: #FFF;
}
.answer {
    padding: 2rem 0;
    background: #FFF;
    border-radius: 0 0 20px 20px;
    -webkit-box-shadow: 0 1px 2px #c7c7c7;
    box-shadow: 0 1px 2px #c7c7c7;
    z-index: 3;
    position: relative;
}
.answer-item {
    height: 42px;
    line-height: 42px;
    padding: 10px 2rem;
}
.answer-item span {
    height: 38px;
    width: 38px;
    line-height: 38px;
    border-radius: 50%;
    text-align: center;
    border: 2px solid #b4bbc0;
    float: left;
    color: #c1c8cb;
}
.answer-item p {
    margin-left: 60px;
    height: 42px;
    line-height: 42px;
    color: #5e5e5e;
}
.answer-item .double-line {
    line-height: 21px;
}
.active.answer-item {
    background: #f8f8f8;
}
.do-not-know span {
    background: url(../images/icon.png) no-repeat;
    background-size: 94px auto;
    background-position: -54px -2px;
    border: 2px solid #b4bbc0;
}
.active .c {
    background: #22acff url(../images/icon.png) no-repeat;
    background-size: 94px auto;
    background-position: 0 0;
    font-size: 0;
    border: 2px solid #22acff;
}
.active .w {
    background: #f2525b url(../images/icon.png) no-repeat;
    background-size: 94px auto;
    background-position: -55px -55px;
    font-size: 0;
    border: 2px solid #f2525b;
}
.active .d {
    background: #b4bbc0 url(../images/icon.png) no-repeat;
    background-size: 94px auto;
    background-position: -1px -55px;
    font-size: 0;
    border: 2px solid #b4bbc0;
}
.background-footer {
    position: absolute;
    bottom: 70px;
    width: 100%;
}
/* result */

.result {
    width: 100%;
    overflow: hidden;
    background: #e6eaf1;
    text-align: center;
    position: relative;
}
.result img {
    width: 90%;
    height: auto;
}
.result .desc {
    position: relative;
    z-index: 9;
    padding-top: 30px;
}
.result .desc p {
    width: 100%;
    position: absolute;
    top: 245px;
    text-align: center;
    color: #f2525b;
    font-weight: 700;
}
.result-container {
    width: 90%;
    margin: 0 auto;
    background: #FFF;
    -webkit-box-shadow: 0 1px 2px #c7c7c7;
    box-shadow: 0 1px 2px #c7c7c7;
    border-radius: 10px;
    padding: 20px 0;
    position: relative;
}
.result-bg1 {
    position: absolute;
    top: -8px;
    right: 0;
    bottom: 8px;
    left: 0;
    background: #FFF;
    z-index: 1;
    -webkit-transform:rotate(2deg);
    transform:rotate(2deg);
    border-radius: 6px;
    -webkit-box-shadow: 1px 0px 5px #999;
    box-shadow: 1px 0px 5px #999;
}
.result-bg2 {
    position: absolute;
    top: -5px;
    right: 0;
    bottom: -5px;
    left: 0;
    background: #e34e56;
    z-index: 2;
    -webkit-transform:rotate(-3deg);
    transform:rotate(-3deg);
    border-radius: 6px;
    -webkit-box-shadow: 1px 0px 5px #999;
    box-shadow: 1px 0px 5px #999;
}
.result-bg3 {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: #FFF;
    z-index: 3;
    border-radius: 6px;
    -webkit-box-shadow: 1px 0px 5px #999;
    box-shadow: 1px 0px 5px #999;
}
.qubiezhen {
    background: url(../images/qubiezhen.png) no-repeat;
    background-size: 62px auto;
    position: absolute;
    top: -10px;
    left: 12px;
    height: 93px;
    width: 62px;
    z-index: 999;
}
a.btn-share {
    height: 40px;
    width: 190px;
    margin: 0 auto;
    display: block;
    background: #f2535c;
    border-radius: 4px;
    font-size: 18px;
    line-height: 40px;
    text-align: center;
    color: #FFF;
    margin-top: 20px;
    position: relative;
    z-index: 9;
}
a.btn-replay {
    color: #22acff;
    height: 20px;
    line-height: 20px;
    border-bottom: 1px solid #22acff;
    display: inline-block;
    margin-top: 10px;
    position: relative;
    z-index: 9;
}
.result-show {
    -webkit-animation: tada 1s 0s ease both;
    display: block;
    animation: tada 1s 0s ease both;
}
@-webkit-keyframes tada {
    0% {
        -webkit-transform: scale(1)
   }
   10%, 20% {
       -webkit-transform: scale(0.9) rotate(-3deg)
  }
  30%, 50%, 70%, 90% {
      -webkit-transform: scale(1.1) rotate(3deg)
 }
 40%, 60%, 80% {
     -webkit-transform: scale(1.1) rotate(-3deg)
}
100% {
    -webkit-transform: scale(1) rotate(0)
}
}
@keyframes tada {
    0% {
        transform: scale(1)
   }
   10%, 20% {
       transform: scale(0.9) rotate(-3deg)
  }
  30%, 50%, 70%, 90% {
      transform: scale(1.1) rotate(3deg)
 }
 40%, 60%, 80% {
     transform: scale(1.1) rotate(-3deg)
}
100% {
    transform: scale(1) rotate(0)
}
}
/* footer */

.footer {
    text-align: center;
    color: #f1535c;
    padding: 40px 0 20px;
}
.paper-middle {
    width: 96%;
    height: 50px;
    border-radius: 100px;
    -webkit-box-shadow: 0 1px 2px #c7c7c7;
    box-shadow: 0 1px 2px #c7c7c7;
    position: absolute;
    left: 2%;
    top: -45px;
    z-index: 1;
    background: #FFF;
}
.paper-bottom {
    width: 90%;
    height: 50px;
    border-radius: 100px;
    -webkit-box-shadow: 0 1px 2px #c7c7c7;
    box-shadow: 0 1px 2px #c7c7c7;
    position: absolute;
    left: 5%;
    top: -40px;
    z-index: -1;
    background: #FFF;
}
/* next */

.next {
    bottom: 0;
    width: 100%;
    left: 0;
    background: url(../images/next.png) no-repeat top center;
    background-size: 90px auto;
    height: 25px;
    bottom: 17px;
    -webkit-transition: all .4s ease-in;
    transition: all .4s ease-in;
    text-align: center;
    animation: NextPage linear 1s infinite;
    -webkit-animation: NextPage linear 1s infinite;
    position: absolute;
    z-index: 9999;
}
@-webkit-keyframes NextPage {
    0% {
        bottom: 17px;
   }
   50% {
       bottom: 8px;
  }
  100% {
      bottom: 17px;
 }
}
@keyframes NextPage {
    0% {
        bottom: 17px;
   }
   50% {
       bottom: 8px;
  }
  100% {
      bottom: 17px;
 }
}
.mask_1, .mask_2 {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    color: #FFF;
    display: none;
}
.mask-content-inner {
    height: 40px;
    line-height: 40px;
    padding: 0 20px;
    background: url(../images/jt.png) no-repeat center right;
}
.mask-content {
    padding: 0 20px 0 0;
    border-radius: 6px;
    background: rgba(0, 0, 0, .7);
    position: absolute;
    top: 0.5rem;
    right: 2rem;
}
.YD-AD {
    background: #e6eaf1;
    border-radius: 10px;
    position: relative;
}
.YD-content {
    width: 90%;
    height: 90%;
    margin: 0 auto;
    background: #FFF;
    -webkit-box-shadow: 0 1px 2px #c7c7c7;
    box-shadow: 0 1px 2px #c7c7c7;
    border-radius: 10px;
    padding: 0;
    position: relative;
}
.YD-container {

}
.YD-container-top {
    height: 80px;
    padding: 50px 0 10px;
    width: 100%;
    background: #f2525b;
    border-radius: 10px 10px 0 0;
    overflow: hidden;
}
.YD-container-top p {
    text-align: center;
    color: #FFF;
}
.YD-container-top .title {
    font-size: 26px;
    padding: 0 0 10px;
}
.YD-container-top .desc {
    font-size: 16px;
}
.YD-container-bottom{
}
.YD-AD img {
    display: block;
    margin: 0 auto;
    width: 232px;
}
a.btn-ad {
    height: 40px;
    width: 190px;
    margin: 0 auto;
    display: block;
    background: #22acff;
    border-radius: 4px;
    font-size: 18px;
    line-height: 40px;
    text-align: center;
    color: #FFF;
    margin-top: 40px;
}
a.btn-ios {
    background: url(../images/iphone.jpg) no-repeat;
    background-size: auto 28px;
    height: 28px;
    width: 95px;
    text-indent: -999px;
    overflow: hidden;
    display: block;
}
.AD-show {
    -webkit-animation: bounceInUp 1s .2s ease both;
    animation: bounceInUp 1s .2s ease both;
    display: block;
}
@-webkit-keyframes bounceInUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(2000px)
   }
   60% {
       opacity: 1;
       -webkit-transform: translateY(-30px)
  }
  80% {
      -webkit-transform: translateY(10px)
 }
 100% {
     -webkit-transform: translateY(0)
}
}
@keyframes bounceInUp {
    0% {
        opacity: 0;
        transform: translateY(2000px)
   }
   60% {
       opacity: 1;
       transform: translateY(-30px)
  }
  80% {
      transform: translateY(10px)
 }
 100% {
     transform: translateY(0)
}
}
.slip {
    position: relative;
}
.low_500 {
    position: absolute;
    height: 500px;
}
.low_500 .word {
    height: 80px;
    line-height: 80px;
}
.low_500 .header {
    height: 45px;
}
.low_500 .answer {
    padding: 1rem 0;
}
.low_500 a.btn-share {
    margin-top: 0;
}
.low_400 {
    position: absolute;
    height: 400px;
}
.low_400 .header {
    height: 40px;
    padding-top: 0;
}
.low_400 .answer-item {
    padding: 5px 1.5rem;
}
.low_400 .footer {
    padding-top:6px;
}
.low_400 .word {
    height: 80px;
    line-height: 80px;
}
.low_400 .answer {
    padding: 1rem 0;
}
.low_400 a.btn-share {
    margin-top: 0;
}
.low_400 .question {
    top: 40px;
}
.low_400 .YD-AD img {
    width: 60%;
}
.low_400 .YD-content {
    height: 85%;
}
.low_400 .result .desc {
    padding-top: 0;
}
.low_400 .YD-container-bottom {
}