! normalize.css v4.1.1 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block}audio:not([controls]){display:none;height:0}progress{vertical-align:baseline}template,[hidden]{display:none}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:0;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:inherit}b,strong{font-weight:bolder}dfn{font-style:italic}h1{font-size:2em;margin:.67em 0}mark{background-color:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}img{border-style:none}svg:not(:root){overflow:hidden}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}figure{margin:1em 40px}hr{box-sizing:content-box;height:0;overflow:visible}button,input,select,textarea{font:inherit;margin:0}optgroup{font-weight:bold}button,input{overflow:visible}button,select{text-transform:none}button,html [type="button"],[type="reset"],[type="submit"]{-webkit-appearance:button}button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring{outline:1px dotted ButtonText}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}textarea{overflow:auto}[type="checkbox"],[type="radio"]{box-sizing:border-box;padding:0}[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button{height:auto}[type="search"]{-webkit-appearance:textfield;outline-offset:-2px}[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-input-placeholder{color:inherit;opacity:.54}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 100;
  src: local("Roboto Thin"), local("Roboto-Thin"), url("//fonts.gstatic.com/s/roboto/v15/Jzo62I39jc0gQRrbndN6nfesZW2xOQ-xsNqO47m55DA.ttf") format("truetype"); }

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  src: local("Roboto Light"), local("Roboto-Light"), url("//fonts.gstatic.com/s/roboto/v15/Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf") format("truetype"); }

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  src: local("Roboto"), local("Roboto-Regular"), url("//fonts.gstatic.com/s/roboto/v15/zN7GBFwfMP4uA6AR0HCoLQ.ttf") format("truetype"); }

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  src: local("Roboto Medium"), local("Roboto-Medium"), url("//fonts.gstatic.com/s/roboto/v15/RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf") format("truetype"); }

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  src: local("Roboto Bold"), local("Roboto-Bold"), url("//fonts.gstatic.com/s/roboto/v15/d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf") format("truetype"); }

@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-weight: 400;
  src: local("Roboto Italic"), local("Roboto-Italic"), url("//fonts.gstatic.com/s/roboto/v15/W4wDsBUluyw0tK3tykhXEfesZW2xOQ-xsNqO47m55DA.ttf") format("truetype"); }

@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-weight: 400;
  src: local("Roboto Mono"), local("RobotoMono-Regular"), url("//fonts.gstatic.com/s/robotomono/v4/hMqPNLsu_dywMa4C_DEpY50EAVxt0G0biEntp43Qt6E.ttf") format("truetype"); }

* {
  box-sizing: border-box; }

html {
  font: 12px/1.5 "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif; }

h1,
h2,
h3 {
  margin: .8rem 0;
  font-size: 2.6rem;
  font-weight: 300; }

a {
  color: #3484F5;
  text-decoration: none; }

a:hover {
  text-decoration: underline; }

p {
  margin: .8rem auto;
  font-weight: 300;
  font-size: 2rem;
  color: rgba(33,33,33,0.64); }

kbd {
  display: inline-block;
  margin: 0 10px;
  padding: 6px 10px;
  border-radius: 4px;
  background: #3484F5;
  font-family: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1rem;
  text-align: center;
  color: #FFF; }

kbd em {
  margin: 0 0 0 4px;
  color: rgba(255, 255, 255, .32);
  font-size: .8rem;
  font-style: normal; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 28px;
  background: #E6E6E6;
  font-size: 2rem;
  text-decoration: none; }

.btn:hover {
  text-decoration: none; }

.btn-download {
  background: #3484F5;
  color: #FFF; }

.btn-download:hover {
  background: #2E76DC; }

.btn-demo {
  background: transparent;
  border: 1px solid #3484F5;
  border-radius: 24px;
  font-size: 1.5rem;
  color: #3484F5; }

.btn-demo:hover {
  background: #3484F5;
  color: #FFF; }

.container {
   }

.row {
  display: flex; }

.col {
  flex: 1; }

.lead {
  padding: .5rem 32px;
  max-width: 640px; }

.main,
.tools-features,
.ui-features,
.export-features,
._donate {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  min-height: 640px;
  background: #FBFBFB;
  text-align: center; }

.tools-features {
  background: #F2F2F2; }

._donate {
  background: #F5F9FC;}

.main picture,
.tools-features picture,
.ui-features picture {
  padding: 3rem 0;
  display: inline-block;
  max-width: 652px; }

.main picture {
  padding: 0;
  max-width: 256px; }

.ui-features {
  background: #E6E6E6; }

.ui-features picture {
  padding: 0;
  max-width: 480px; }

.export-features {
  position: relative;
  align-items: flex-start;
  padding: 96px 0 0;
  background: #D8D8D8; }

.export-features picture {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 760px;
  height: 55%;
  overflow: hidden; }

.main picture img {
  width: 100%; }

.tools-features picture img {
  width: 100%; }

.ui-features picture img {
  width: 100%; }

.export-features picture img {
  width: 100%; }

.version,
.keyboard {
  font-size: 1.2rem;
  color: rgba(33,33,33,0.32); }

.main .version a {
  margin-left: 16px; }

.footer {
  padding: 50px;
  background: #222;
  color: rgba(255,255,255,0.32);
  text-align: center;
  font-size: 1.5rem; }

@media screen and (max-width: 480px) {
  html {
    font-size: 10px; }
}

@media screen and (max-width: 320px) {
  html {
    font-size: 8px; }
}

@media screen and (max-height: 800px) {
  .export-features picture {
    height: 40%; }
}

@media screen and (min-height: 980px) {
  html {
    font-size: 16px; }
  .btn {
    padding: 16px 24px;
    border-radius: 40px; }
  .main picture {
    max-width: 400px; }
  .export-features {
    padding: 128px 0 0; }
  .export-features picture {
      max-width: 1064px;
      height: 55%;
    }
}

.donate {
  margin: 0;
  padding: 3px 10px;
  background: #F50;
  color: #FFF;
  font-size: 1.2rem;
  border-radius: 15px; }

.next {
  position: absolute;
  left: 50%;
  bottom: 20px;
  margin: 0 0 0 -18.5px;
  width: 37px;
  height: 15px;
  line-height: 100px;
  background: url(img/arrow.png) no-repeat;
  background-size: 37px 15px;
  overflow: hidden;
  outline: none; }
._donate h1 {
  margin-bottom: 3rem; }
._donate form,
._chinese {
  position: relative;
  padding: 40px;
  max-width: 440px;
  background: #FFFFFF;
  border: 1px solid rgba(151,151,151,0.30);
  border-radius: 8px; }
._donate picture {
  position: absolute;
  top: 0;
  left: 50%;
  margin: -128px 0 0 -128px; }
._donate picture img {
  width: 256px; }
._donate_box {
  text-align: left; }
._donate_amount {
  display: inline-block;
  margin: 5px; }
._donate_amount input[type=radio] {
  position: absolute;
  visibility: hidden; }
._donate_amount label {
  padding: 10px 20px;
  display: block;
  background: #B5C9D2;
  color: #FFF;
  font-size: 2rem;
  border-radius: 8px; }
._donate_amount input[type=radio]:checked + label {
  background-image: linear-gradient(135deg, #002A6F 0%, #0297DB 100%);
  border: 0;
  color: #FFF; }
._donate_other label {
  padding: 2px 2px 2px 20px; }
._donate_other label:before {
  content: "$";
  margin: 0 20px 0 0; }
._donate_other input[type=text] {
  height: 52px;
  padding: 5px 10px;
  width: 180px;
  border: 0;
  outline: 0;
  font-size: 2rem;
  border-radius: 6px; }
._donate_other input[type=text]::-webkit-input-placeholder {
  color: rgba(0,0,0,.48); }
._donate_footer {
  padding: 35px 0 0; }
button._donate_button,
button._donate_wechat_button,
button._donate_alipay_button {
  padding: 16px 40px;
  width: 100%;
  height: 64px;
  background-image: linear-gradient(135deg, #002A6F 0%, #0297DB 100%);
  border-radius: 32px;
  border: 0;
  outline: 0; }
button._donate_button img {
  width: 124px; }
button._donate_wechat_button img,
button._donate_alipay_button img {
  height: 32px; }

button._donate_wechat_button {
  background: #2DC100; }
button._donate_alipay_button {
  background: #00AAEE; }
._chinese {
  display: flex;
  margin: 20px 0 0;
  padding: 40px; }
._chinese a{
  width: 50%;}
._chinese a:first-child{
  margin-right: 5px;
}
._chinese a:last-child{
  margin-left: 5px;
}
/*@media screen and (max-width: 800px) {
  .export-features picture {
    width: 100%;}

  .export-features picture img {
    width: 90%;  }
}*/
/*@media screen and (max-width: 1200px) {

}

@media screen and (max-width: 1080px) {

}

@media screen and (max-width: 720px) {

}
@media screen and (min-width: 1600px) and (min-height: 980px) {

}