html {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
body {
  line-height: 1.6;
}
html,
body {
  position: relative;
  min-height: 100%;
  margin: 0;
  line-height: 1.65;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  font-size: 16px;
  font-weight: 400;
  min-width: 320px;
  direction: ltr;
  font-feature-settings: "kern";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-scroll-behavior: smooth;
  -moz-scroll-behavior: smooth;
  -ms-scroll-behavior: smooth;
  scroll-behavior: smooth;
  background-color: #fff;
  color: #111;
}
* {
  margin: 0;
  padding: 0;
}
*,
:after,
:before {
  box-sizing: border-box;
  outline: 0;
  -webkit-text-size-adjust: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-overflow-scrolling: touch;
}
blockquote,
body,
button,
code,
dd,
div,
dl,
dt,
fieldset,
form,
h1,
h2,
h3,
h4,
h5,
h6,
input,
legend,
li,
ol,
p,
pre,
td,
textarea,
th,
ul {
  margin: 0;
  padding: 0;
}
caption,
td,
th {
  font-size: 14px;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
  font-size: 100%;
}
address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
img {
  border: none;
  vertical-align: middle;
}
li,
ol,
ul {
  list-style: none;
}

button,
input,
select,
textarea {
  font: 14px -apple-system-font, Arial, Microsoft YaHei, \\9ed1\4f53,
    \\5b8b\4f53, sans-serif;
}
table {
  border-collapse: collapse;
}

body.noScroll,
html.noScroll {
  overflow-y: hidden;
  position: fixed;
}
button {
  border: none;
}
.clearfix:after,
.c:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
* html .clearfix,
* html .c {
  zoom: 1;
} /* IE6 */
*:first-child + html .clearfix,
*:first-child + html .c {
  zoom: 1;
} /* IE7 */
.clear {
  height: 0px;
  clear: both;
  overflow: hidden;
  display: block;
  _zoom: 1;
}
a img {
  border: 0;
}
a {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.display-mobile {
  display: none !important;
}
@media screen and (max-width: 750px) {
  .display-mobile {
    display: block !important;
  }
  .hide-mobile {
    display: none !important;
  }
}
/*************** head start *****************/
.head {
  border-bottom: 1px solid #eaeaea;
  position: fixed;
  top: 0;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: saturate(180%) blur(5px);
  z-index: 99;
  width: 100%;
  -webkit-transform: translateZ(0);
}
.head-box {
  height: 80px;
  display: block;
}
.logo {
  height: 80px;
  line-height: 80px;
  display: flex;
  align-items: center;
}
.logo img {
  width: 100%;
  max-width: 178px;
}
.head .row {
  height: 80px;
  line-height: 80px;
  position: relative;
}
.head .nav a {
  color: #696969;
  transition: all 0.2s;
  margin: 0 20px 0 30px;
}
.head .nav a:hover {
  color: #333;
}
.head .nav a.on {
  color: #0070f3;
  text-shadow: 0px 0px 1px #0070f3;
}
.head .ico {
  display: flex;
  justify-content: flex-end;
}
.head .ico img {
  width: 26px;
  height: 26px;
  opacity: 0.6;
  transition: all 0.2s;
}
.head .ico a:hover img {
  opacity: 1;
}
.notification {
  width: 100%;
  height: 50px;
  text-align: center;
  background: #fafafa;
  border-bottom: 1px solid #eaeaea;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: space-around;
  -webkit-justify-content: space-around;
  -ms-flex-pack: space-around;
  justify-content: space-around;
  font-size: 14px;
}
.notification a {
  color: #6a6a6a;
}
.notification a:hover {
  color: #68b5fb;
}
.highlight {
  margin: 0 1rem;
  color: #0070f3;
  -webkit-transition: opacity 200ms ease;
  transition: opacity 200ms ease;
}
.snav {
  flex: 1;
}
.snav button {
  background: none;
}
.snav button img {
  width: 26px;
  opacity: 0.6;
}
.snav button.on img {
  opacity: 1;
}
.snav-list {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #efefef;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  padding: 0.5rem 1rem;
  height: auto;
  line-height: 2em;
  text-align: center;
  display: none;
}
.snav-list a {
  color: #333;
  display: inline-block;
  margin: 0 8px;
}
@media screen and (max-width: 750px) {
  .head .row {
    display: flex;
    margin: 0 -15px;
  }
  .head .snav {
  }
  .head .logo {
    flex: 2;
  }
  .head .ico {
    flex: 1;
  }
}
/* head end */
/*************** foot start *****************/
.foot {
  width: 100%;
  margin: 0 auto;
  padding: 0 0;
  background-color: #fafafa;
  border-top: 1px solid #eaeaea;
  border-bottom: 1px solid #eaeaea;
  overflow: hidden;
  font-size: 14px;
  line-height: 2em;
}
.foot p {
  margin-bottom: 10px;
}
.foot-nav {
  padding: 20px 0;
}
.foot-nav h4 {
  font-weight: 500;
  color: #111;
  padding: 0;
  margin: 20px 0 20px;
}
.foot a {
  color: #8c8c8c;
  transition: all 0.2s;
}
.foot a:hover {
  color: #111;
}
.foot-logo {
  margin-bottom: 10px;
}
.foot-logo img {
  height: 20px;
}
.foot-copy {
  margin-top: 30px;
  margin-bottom: 30px;
}
.foot-copy p {
  color: #8c8c8c;
  margin-bottom: 5px;
}
.foot-copy a {
  color: #8c8c8c;
}
/* foot end */

/*index-title start*/
.i-title {
  margin: 0 0 5rem;
  text-align: center;
}
.i-title h2 {
  margin: 0;
  padding: 0;
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
  font-weight: bold;
}
.i-title h3 {
  font-weight: 400;
  color: #696969;
  font-size: 1rem;
  margin: 0;
  padding: 0;
  line-height: 1;
}
.i-box {
  display: block;
  margin: 0 auto;
  text-align: center;
}
.i-box img {
  width: 80%;
  box-shadow: rgba(0, 0, 0, 0.117647) 0px 8px 30px;
  display: block;
  margin: 0 auto;
}
.i-btn {
  text-align: center;
}
.i-btn a {
  margin: 0 auto;
  display: inline-block;
  font-size: 16px;
  width: 232px;
  height: 45px;
  line-height: 45px;
  border-radius: 7px;
  background-color: #0070f3;
  box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.39);
  color: white;
  transition: all 0.2s;
}
.i-btn a:hover {
  background: rgba(0, 118, 255, 0.9);
}
.i-wrap {
  padding: 6.25rem 1rem;
}
@media screen and (max-width: 750px) {
  .i-title {
    margin: 0 0 3rem;
  }
  .i-wrap {
    padding: 3rem 10px;
  }
}
/*index-title end*/

/*learn start*/
.learn .i-box {
  margin-bottom: 5rem;
}
@media screen and (max-width: 750px) {
  .learn .i-box {
    margin-bottom: 3rem;
  }
}
/*learn end*/

/*user start */
.user {
  background: #fafafa;
  border-top: 1px solid #eaeaea;
  border-bottom: 1px solid #eaeaea;
  padding-left: 0;
  padding-right: 0;
}
.user-list {
  display: flex;
  max-width: 100vw;
  margin: 50px 0px 0px;
  padding-left: 0;
  padding-right: 0;
  overflow: hidden;
}
.user-box {
  width: 330px;
  height: 185px;
  box-shadow: rgba(0, 0, 0, 0.0784314) 0px 10px 20px,
    rgba(0, 0, 0, 0.0980392) 0px 5px 12px;
  cursor: pointer;
  margin: 0px calc(7.14286vw - 165px);
  border-radius: 7px;
  transition: all 0.5s ease;
  overflow: hidden;
  background: white;
  position: relative;
}
.user-list .user-box:nth-child(1) {
  z-index: 4;
  transform: scale(0.672805) translate3d(-4.2336px, -105px, 0px);
}
.user-list .user-box:nth-child(2) {
  z-index: 5;
  transform: scale(0.779602) translate3d(-27.2789px, -70px, 0px);
}
.user-list .user-box:nth-child(3) {
  z-index: 6;
  transform: scale(0.889117) translate3d(-25.2441px, -35px, 0px);
}
.user-list .user-box:nth-child(4) {
  z-index: 7;
  transform: scale(1) translate3d(0px, 0px, 0px);
}
.user-list .user-box:nth-child(5) {
  z-index: 6;
  transform: scale(0.889117) translate3d(25.2441px, -35px, 0px);
}
.user-list .user-box:nth-child(6) {
  z-index: 5;
  transform: scale(0.779602) translate3d(27.2789px, -70px, 0px);
}
.user-list .user-box:nth-child(7) {
  z-index: 4;
  transform: scale(0.672805) translate3d(4.2336px, -105px, 0px);
}
.user-box img {
  width: 100%;
  height: 100%;
  border-radius: 5px;
}
.user-box a {
  display: block;
  height: 100%;
  position: relative;
}
.user-box a span {
  position: absolute;
  width: 100%;
  bottom: 0px;
  left: 0;
  text-align: center;
  color: white;
  opacity: 0;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.8);
  transition: opacity 0.6s ease;
  font-weight: 400;
  font-size: 1rem;
  border-radius: 0 0 5px 5px;
}
.user-box a:hover span {
  opacity: 1;
}
.user-list-mobile {
  display: none;
  margin: 0 1rem;
}
.user-list-box {
  width: 100%;
  margin-bottom: 2rem;
}
.user-list-box a {
  display: block;
  position: relative;
  box-shadow: rgba(0, 0, 0, 0.0784314) 0px 10px 20px,
    rgba(0, 0, 0, 0.0980392) 0px 5px 12px;
}
.user-list-box a img {
  width: 100%;
  border-radius: 5px;
}
.user-list-box a span {
  position: absolute;
  width: 100%;
  bottom: 0px;
  text-align: center;
  color: white;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.8);
  transition: opacity 0.6s ease;
  font-weight: 400;
  font-size: 1rem;
  border-radius: 0 0 5px 5px;
}
@media screen and (max-width: 750px) {
  .user-list {
    display: none;
  }
  .user-list-mobile {
    display: block;
  }
  .user .i-title {
    margin-top: 3rem;
  }
}

/*user end*/

/*choice start*/
.choice-list {
  padding: 0 40px;
}
.choice-list > div {
  margin-bottom: 40px;
  padding: 0 30px;
}
.choice-list h3 {
  font-weight: 600;
  font-size: 1.265625em;
}
.choice-list p {
  margin: 20px 0;
}
.choice-list a {
  position: relative;
  display: -webkit-inline-box;
  display: -webkit-inline-flex;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  cursor: pointer;
  -webkit-text-decoration: none;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  margin: -0.25rem -0.5rem;
  border-radius: 7px;
  color: #0070f3;
  background-color: transparent;
  border: none;
  font-size: inherit;
  line-height: inherit;
  -webkit-transition: background 0.2s ease, color 0.2s ease,
    box-shadow 0.2s ease;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.choice-list a:hover {
  background: #e6f1ff;
}
.choice-scroll {
  margin-top: 0;
  margin-bottom: 4rem;
}
.choice-scroll-top {
  margin-bottom: 2em;
}
.choice-scroll-list {
  overflow: hidden;
  position: relative;
}
.choice-scroll-list .tempWrap {
  width: 100% !important;
}
.choice-scroll-list .bd {
  padding: 0;
  width: 100%;
}
.choice-scroll-list .bd ul {
  overflow: hidden;
  zoom: 1;
}
.choice-scroll-list .bd ul li {
  margin: 0 8px;
  float: left;
  _display: inline;
  overflow: hidden;
  text-align: center;
}
.choice-scroll-list .bd ul li .pic {
  text-align: center;
  padding: 0 2.2rem;
}
.choice-scroll-list .bd ul li .pic img {
  height: 40px;
  display: block;
}
.choice-scroll-list .bd ul li .pic .img1 {
  transition: all 0.3s;
  display: block;
}
.choice-scroll-list .bd ul li .pic:hover .img1 {
  opacity: 0.8;
}

.choice-bottom {
  width: 100%;
  margin: 0 auto;
  text-align: center;
  position: relative;
  margin-bottom: -2.5rem;
}
.choice-wrap {
}
.choice-btn {
  padding: 16px;
  background-color: #fff;
  box-shadow: 0px 30px 60px rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  max-width: 450px;
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.choice-img {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  position: relative;
}
.choice-img img {
  height: 40px;
}
.choice-btn a {
  font-weight: 400;
}
@media screen and (max-width: 750px) {
  .choice-btn {
    width: 90%;
    max-width: 100%;
    padding: 16px;
    height: auto;
    flex-direction: column;
    justify-content: space-between;
  }
  .choice-img img {
    margin-bottom: 1rem;
  }
  .choice-list {
    padding: 0;
  }
}
/*choice end*/

/*tab start */
code {
  font-size: 0.9em;
  font-family: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono,
    Bitstream Vera Sans Mono, Courier New, monospace, serif;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.2rem;
  margin: 0 0.1rem;
  border-radius: 2px;
  color: #f1f1f1;
}
code:before,
code:after {
  content: "\`";
}
.tab {
  width: 100%;
  margin: -1px auto 0;
  padding: 0 0;
  background: #111;
  color: #f1f1f1;
  overflow: hidden;
}
.tab .hd {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem 0;
}
.tab .hd button {
  display: inline-block;
  border-radius: 7px;
  cursor: pointer;
  -webkit-text-decoration: none;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  margin: 0 1rem;
  color: #8d8d8d;
  -webkit-transition: all 0.2s ease;
  transition: all 0.2s ease;
  background-color: transparent;
  font-size: inherit;
  border: none;
  line-height: inherit;
  -webkit-flex: initial;
  -ms-flex: initial;
  flex: initial;
}
.tab .hd button:hover {
  background: #1c1c1c;
}
.tab .hd button.on {
  color: #efefef;
  background-color: rgba(255, 255, 255, 0.1);
}
@media screen and (max-width: 750px) {
  .tab .hd {
    display: block;
  }
  .tab .hd button {
    width: 100%;
    display: block;
    margin: 0 0 0.5rem;
  }
  .tab-list {
    margin: 0 auto;
  }
}
.tab-box {
  margin: 0 20px 20px;
  display: none;
  padding-top: 60px;
}
.tab-img {
  margin-bottom: 20px;
}
.tab-img .tab-t {
  font-size: 20px;
  text-align: center;
  margin: 20px 0 20px;
}
.tab-img .tab-t span {
  display: inline-block;
  border-radius: 7px;
  cursor: pointer;
  -webkit-text-decoration: none;
  text-decoration: none;
  padding: 0.25rem 0.8rem;
  margin: 0 1rem;
  -webkit-transition: all 0.2s ease;
  transition: all 0.2s ease;
  color: #efefef;
  background-color: rgba(255, 255, 255, 0.1);
}
.tab-pic {
  width: 100%;
  padding-top: 74.22%;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}
.tab-pic img {
  position: absolute;
  width: 100%;
  height: 100%;
  transition: all 0.3s;
  top: 0;
  left: 0;
  z-index: 1;
}
.tab-pic:hover img {
  transform: scale(1.1);
}
.tab-box p {
  margin: 20px 20px 10px;
  text-align: center;
}
.tab-box a {
}
.tab-col {
  display: block;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.0470588);
  padding: 0.5rem 0.8rem;
  border-radius: 7px;
  border-width: 1px;
  border-style: solid;
  border-image: initial;
  border-color: rgb(72, 72, 72);
  transition: border-color 0.1s ease;
}
.tab-box a:hover .tab-col {
  border-color: rgb(33, 149, 255);
}
.tab-title {
  display: block;
  font-weight: 600;
  padding: 0;
  margin: 0 0 0.5rem;
  color: rgb(243, 243, 243);
  font-size: 0.8888888888888888em;
}
.tab-info {
  display: block;
  margin: 0 0 0.2rem !important;
  color: rgb(204, 204, 204);
  font-size: 0.7901234567901234em;
}
.tab-see {
  color: rgb(33, 149, 255);
  opacity: 0;
  transition: opacity 0.1s ease;
  font-weight: 600;
  font-size: 0.7901234567901234em;
  margin: 0 !important;
}
.tab-box a:hover .tab-see {
  opacity: 1;
}
.tab-list {
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  margin: 0px 1rem;
}
.tab-list .col-md-3 {
  padding: 0px 0.5rem 1rem;
}
.tab-more {
  display: flex;
  flex-direction: column;
  height: 100%;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  align-items: center;
  margin: 0px 0.5rem;
  padding: 0.5rem 0.8rem;
  border: none;
  background: none;
}
.tab-more .tab-title {
  display: block;
}
.tab-more .tab-see {
  opacity: 1;
  display: block;
}
.tab-box a:hover .tab-more .tab-see {
  color: rgb(104, 177, 245);
}
/*tab end*/

/*banner start*/
.banner {
  width: 100%;
  margin: 0 auto;
  padding: 0 0;
  position: relative;
}

/*背景特效*/
@-webkit-keyframes orbloop {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}
@keyframes orbloop {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes orbmove {
  from {
    -webkit-transform: translateX(-1000px);
  }
  to {
    -webkit-transform: translateX(2000px);
  }
}
@keyframes orbmove {
  from {
    transform: translateX(-1000px);
  }
  to {
    transform: translateX(2000px);
  }
}
#stage {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}
#bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  margin-left: -500px;
  margin-top: -500px;
}
#bg div div {
  position: absolute;
}
#bg {
  opacity: 0;
}
#bg .row1 div {
  -webkit-animation: orbmove 48s linear infinite;
  animation: orbmove 96s linear infinite;
}
#bg .row1 .orb1 {
  position: absolute;
  width: 60px;
  height: 60px;
  top: 50%;
  left: 50%;
  margin-left: -30px;
  margin-top: -380px;
}
#bg .row1 .orb1 div {
  width: 100%;
  height: 100%;
  border-radius: 60px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row1 .orb2 {
  position: absolute;
  width: 100px;
  height: 100px;
  top: 50%;
  left: 50%;
  margin-left: 450px;
  margin-top: 50px;
}
#bg .row1 .orb2 div {
  width: 100%;
  height: 100%;
  border-radius: 100px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row1 .orb1c {
  position: absolute;
  width: 60px;
  height: 60px;
  top: 50%;
  left: 50%;
  margin-left: 1970px;
  margin-top: -380px;
}
#bg .row1 .orb1c div {
  width: 100%;
  height: 100%;
  border-radius: 60px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row1 .orb2c {
  position: absolute;
  width: 100px;
  height: 100px;
  top: 50%;
  left: 50%;
  margin-left: 2450px;
  margin-top: 50px;
}
#bg .row1 .orb2c div {
  width: 100%;
  height: 100%;
  border-radius: 100px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row2 div {
  -webkit-animation: orbmove 24s linear infinite;
  animation: orbmove 48s linear infinite;
}
#bg .row2 .orb1 {
  position: absolute;
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  margin-left: -500px;
  margin-top: -300px;
}
#bg .row2 .orb1 div {
  width: 100%;
  height: 100%;
  border-radius: 200px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row2 .orb2 {
  position: absolute;
  width: 250px;
  height: 250px;
  top: 50%;
  left: 50%;
  margin-left: 175px;
  margin-top: -125px;
}
#bg .row2 .orb2 div {
  width: 100%;
  height: 100%;
  border-radius: 250px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row2 .orb1c {
  position: absolute;
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  margin-left: 1500px;
  margin-top: -300px;
}
#bg .row2 .orb1c div {
  width: 100%;
  height: 100%;
  border-radius: 200px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row2 .orb2c {
  position: absolute;
  width: 400px;
  height: 400px;
  top: 50%;
  left: 50%;
  margin-left: 2100px;
  margin-top: -200px;
}
#bg .row2 .orb2c div {
  width: 100%;
  height: 100%;
  border-radius: 400px;
  background: -webkit-linear-gradient(top, #ffffff, #dedede);
  background: linear-gradient(to bottom, #ffffff, #dedede);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row3 div {
  -webkit-animation: orbmove 12s linear infinite;
  animation: orbmove 24s linear infinite;
}
#bg .row3 .orb1 {
  position: absolute;
  width: 300px;
  height: 300px;
  top: 50%;
  left: 50%;
  margin-left: 850px;
  margin-top: -300px;
}
#bg .row3 .orb1 div {
  width: 100%;
  height: 100%;
  border-radius: 300px;
  background: -webkit-linear-gradient(top, #dedede, #ffffff);
  background: linear-gradient(to bottom, #dedede, #ffffff);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row3 .orb2 {
  position: absolute;
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  margin-left: 0px;
  margin-top: 0px;
}
#bg .row3 .orb2 div {
  width: 100%;
  height: 100%;
  border-radius: 600px;
  background: -webkit-linear-gradient(top, #dedede, #ffffff);
  background: linear-gradient(to bottom, #dedede, #ffffff);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row3 .orb1c {
  position: absolute;
  width: 300px;
  height: 300px;
  top: 50%;
  left: 50%;
  margin-left: 2850px;
  margin-top: -300px;
}
#bg .row3 .orb1c div {
  width: 100%;
  height: 100%;
  border-radius: 300px;
  background: -webkit-linear-gradient(top, #dedede, #ffffff);
  background: linear-gradient(to bottom, #dedede, #ffffff);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}
#bg .row3 .orb2c {
  position: absolute;
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  margin-left: 2000px;
  margin-top: 0px;
}
#bg .row3 .orb2c div {
  width: 100%;
  height: 100%;
  border-radius: 600px;
  background: -webkit-linear-gradient(top, #dedede, #ffffff);
  background: linear-gradient(to bottom, #dedede, #ffffff);
  -webkit-animation: orbloop 6s linear infinite;
  animation: orbloop 6s linear infinite;
}

.banner-main {
  position: relative;
  z-index: 3;
  width: 100%;
  margin: 0 auto;
  padding: 0 0;
  text-align: center;
  min-height: 564px;
  background-image: radial-gradient(#d7d7d7 1px, transparent 1px),
    radial-gradient(#d7d7d7 1px, transparent 1px);
  background-position: 0 0, 25px 25px;
  background-size: 50px 50px;
  display: flex;
  align-items: flex-end;
}
.banner-box {
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem;
  max-width: 1024px;
}
.banner-info {
  margin: 0 0 0 0;
  overflow: visible;
}
.banner-logo {
  display: flex;
  justify-content: center;
  color: #0070f3;
  left: 0;
  right: 0;
  width: 200px;
  margin: auto;
  font-weight: 600;
}
.banner-logo img {
  transform: translateX(4%);
  shape-rendering: auto;
}
.banner-content {
  width: 100%;
  letter-spacing: -0.02rem;
  overflow: hidden;
  cursor: default;
  z-index: -1;
  margin: 1rem 0 5rem;
}
.banner-links {
  display: flex;
  align-items: center;
  justify-content: center;
}
.banner-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 7px;
  color: #0070f3;
  background-color: transparent;
  border: none;
  font-size: inherit;
  line-height: inherit;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}
.banner-links a span {
  color: #696969;
}
.banner-content {
  width: 100%;
  letter-spacing: -0.02rem;
  overflow: hidden;
  cursor: default;
  z-index: -1;
  margin: 1rem 0 5rem;
}
.banner-content h1 {
  font-size: 1.5rem;
  font-weight: 600;
}
.banner-content h2 {
  font-size: 4rem;
  margin-top: -3rem;
  margin-bottom: 0;
  font-weight: 700;
}
.banner-container {
  margin: auto;
  margin-top: 0;
  margin-bottom: 0;
  line-height: 1.2em;
  white-space: nowrap;
  position: relative;
  pointer-events: none;
}
.banner-words {
  width: 100%;
  height: 2.8em;
  display: block;
  margin-top: 1rem;
  margin-bottom: 0;
}
.banner-words span {
  position: absolute;
  opacity: 0;
  overflow: hidden;
  letter-spacing: -1px;
  -webkit-animation: slide-word 19.8s linear infinite 0s;
  animation: slide-word 19.8s linear infinite 0s;
  -webkit-animation-timing-function: cubic-bezier(0.19, 0.82, 0.84, 1.06);
  animation-timing-function: cubic-bezier(0.19, 0.82, 0.84, 1.06);
}
@-webkit-keyframes slide-word {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(-50%, 25%, 0px);
    -ms-transform: translate3d(-50%, 25%, 0px);
    transform: translate3d(-50%, 25%, 0px);
    visibility: visible;
  }
  0.9% {
    opacity: 1;
    -webkit-transform: translate3d(-50%, 75%, 0px);
    -ms-transform: translate3d(-50%, 75%, 0px);
    transform: translate3d(-50%, 75%, 0px);
  }
  9.090909090909092% {
    opacity: 1;
    -webkit-transform: translate3d(-50%, 75%, 0px);
    -ms-transform: translate3d(-50%, 75%, 0px);
    transform: translate3d(-50%, 75%, 0px);
    visibility: visible;
  }
  10% {
    opacity: 0;
    -webkit-transform: translate3d(-50%, 135%, 0px);
    -ms-transform: translate3d(-50%, 135%, 0px);
    transform: translate3d(-50%, 135%, 0px);
    visibility: hidden;
  }
  100% {
    opacity: 0;
    visibility: visible;
  }
}
@keyframes slide-word {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(-50%, 25%, 0px);
    -ms-transform: translate3d(-50%, 25%, 0px);
    transform: translate3d(-50%, 25%, 0px);
    visibility: visible;
  }
  0.9% {
    opacity: 1;
    -webkit-transform: translate3d(-50%, 75%, 0px);
    -ms-transform: translate3d(-50%, 75%, 0px);
    transform: translate3d(-50%, 75%, 0px);
  }
  9.090909090909092% {
    opacity: 1;
    -webkit-transform: translate3d(-50%, 75%, 0px);
    -ms-transform: translate3d(-50%, 75%, 0px);
    transform: translate3d(-50%, 75%, 0px);
    visibility: visible;
  }
  10% {
    opacity: 0;
    -webkit-transform: translate3d(-50%, 135%, 0px);
    -ms-transform: translate3d(-50%, 135%, 0px);
    transform: translate3d(-50%, 135%, 0px);
    visibility: hidden;
  }
  100% {
    opacity: 0;
    visibility: visible;
  }
}
@media screen and (max-width: 750px) {
  .banner-content h1 {
    font-size: 1rem;
  }
  .banner-content h2 {
    font-size: 2rem;
    margin-top: 1rem;
  }
}
.banner-button {
  margin-bottom: 2rem;
}
.button-spacer {
  display: inline-block;
  padding: 10px;
}
.banner-button a {
  position: relative;
  display: -webkit-inline-box;
  display: -webkit-inline-flex;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  cursor: pointer;
  -webkit-text-decoration: none;
  text-decoration: none;
  color: #0070f3;
  background-color: transparent;
  border: none;
  font-size: inherit;
  line-height: inherit;
  -webkit-transition: background 0.2s ease, color 0.2s ease,
    box-shadow 0.2s ease;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  margin: 0;
  padding: 0 3.5rem;
  height: 2.81rem;
  line-height: 2.8rem;
  border-radius: 7px;
}
.banner-button .banner-btn1 {
  background-color: #0070f3;
  box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.39);
  color: white;
}
.banner-button .banner-btn2 {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 20px rgba(93, 93, 93, 0.23);
  color: #696969;
}
.banner-button a:hover {
  box-shadow: 0 6px 20px rgba(93, 93, 93, 0.4);
}
.banner-button .banner-btn1:hover {
  background: #388ced;
  box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.5);
}
.banner-dock {
  width: 100%;
  position: relative;
}
.banner-dock img {
  width: 100%;
}
/*banner end*/

/*case start*/
.case-title {
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem;
  max-width: 1024px;
  text-align: center;
}
.case-title h2 {
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  line-height: 1.3;
}
.case-title p {
  color: #696969;
  font-weight: 400;
  font-size: 1rem;
}
.case-menu {
  position: sticky;
  z-index: 100;
  background: rgba(255, 255, 255, 1);
  width: 100%;
}
.case-menu-fixed {
  position: fixed;
  top: 80px;
}
.case-menu-box {
  width: 100%;
  margin: 0 auto;
  padding: 0.6rem 1rem;
  max-width: 1024px;
  text-align: center;
}
.case-menu-bg {
  display: none;
}
.case-menu a {
  display: inline-block;
  height: 100%;
  line-height: 2rem;
  position: relative;
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  text-transform: uppercase;
  color: rgb(105, 105, 105);
  border-width: initial;
  border-style: none;
  border-color: initial;
  border-image: initial;
  outline: none;
  padding: 0px 1.25rem;
  border-radius: 7px;
  font-size: 0.7901234567901234em;
}
.case-menu a.on {
  color: rgb(0, 112, 243);
  background: rgba(0, 118, 255, 0.0980392);
}
.case-menu a:hover {
  color: #000;
}
.case-top {
  height: 4rem;
}
.case {
  width: 100%;
  text-align: center;
  background-color: rgb(250, 250, 250);
  margin: 0px auto;
  padding: 0;
  border-top: 1px solid rgb(234, 234, 234);
  border-bottom: 1px solid rgb(234, 234, 234);
  overflow: hidden;
}
.case .container {
  position: relative;
  margin: 1rem auto 6rem;
}
.case .row {
  margin: 0 -20px;
}
.case .col-md-4 {
  padding: 0 20px;
}
.case-box {
  position: relative;
  width: 100%;
  padding-top: 80%;
  margin: 20px 0 20px;
  box-shadow: rgba(0, 0, 0, 0.0784314) 0px 4px 12px 0px,
    rgba(0, 0, 0, 0.0196078) 0px 0px 0px 1px;
  border-radius: 10px;
  cursor: zoom-in;
}
.case-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  border-radius: 10px;
}
.case-shadow {
  z-index: 2;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: end;
  justify-content: flex-end;
  height: 100%;
  color: white;
  text-shadow: rgba(0, 0, 0, 0.498039) 0px 2px 20px;
  opacity: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.498039), rgba(0, 0, 0, 0.298039));
  transition: opacity 0.2s ease;
  border-radius: 10px;
  overflow: hidden;
}
.case-info {
  width: 100%;
  text-align: center;
  opacity: 0;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.8);
  transition: opacity 0.6s ease;
}
.case-info h3 {
  font-size: 1.125em;
  color: #fff;
}
.case-info a {
  color: #0074de;
  font-size: 0.8888888888888888em;
}
.case-box:hover .case-shadow,
.case-box:hover .case-info {
  opacity: 1;
}
.case-pop {
  position: fixed;
  z-index: 1010;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  background-color: rgba(0, 0, 0, 0.901961);
  cursor: zoom-out;
  padding: 3rem 3rem 7rem;
  display: none;
}
.case-pop-box {
  width: 100%;
  height: 100%;
  text-align: center;
  display: flex;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
}
.case-pop-box img {
  max-width: 100%;
  max-height: 100%;
  box-shadow: rgba(0, 0, 0, 0.2) 0px 2px 6px,
    rgba(0, 0, 0, 0.0980392) 0px 10px 20px;
  border-radius: 7px;
  overflow: hidden;
}
.case-pop-info {
  position: absolute;
  bottom: 0px;
  left: 0px;
  width: 100%;
  text-align: center;
  color: white;
  text-shadow: rgba(0, 0, 0, 0.498039) 0px 2px 20px;
  padding: 1rem 2rem 2rem;
}
.case-pop-info h3 {
  font-size: 1.125em;
  color: #fff;
}
.case-pop-info a {
  font-size: 0.8888888888888888em;
  color: #0074de;
}
/*case end*/

/*docs start*/
.docs {
  padding: 2rem 0 0;
}
.search {
  position: relative;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
}
.search .form-control {
  padding: 6px 12px 6px 40px;
  border-color: #d8d8d8;
  color: #666;
  background: url("../img/search.png") no-repeat 12px center;
}
.search .form-control:focus {
  border: 1px solid #666;
  background: url("../img/search2.png") no-repeat 12px center;
}

.aside {
  padding: 1rem 2rem 2rem 0;
}
.course > ul {
  padding: 0;
  margin: 0;
  margin-left: 1rem;
  border-left: 1px solid #efefef;
}
.course ul li {
  list-style: none;
  margin: 12px 0;
}
.course ul li a {
  margin-left: 1.25rem;
  position: relative;
  font-size: 0.8888888888888888em;
  color: #111;
  display: block;
  box-shadow: none;
}
.course ul li a:hover {
  color: #808080;
  box-shadow: none;
}
.course > ul > li {
  list-style: none;
  padding-top: 3rem;
  margin: 0 !important;
}
.course > ul > li > a {
  color: #111;
  text-decoration: none;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
  font-size: 0.7901234567901234em;
}

.course ul li a:before {
  position: absolute;
  top: 50%;
  left: -3rem;
  content: "";
  width: 7px;
  height: 7px;
  background: #efefef;
  border-radius: 100%;
  margin: -4px 0 0 0;
  z-index: 10;
}
.course .children .current_page_item a:before {
  width: 9px;
  height: 9px;
  left: -3rem;
  margin-top: -5px;
  background: #111;
}
.course ul li a.finished:before {
  width: 16px;
  height: 16px;
  line-height: 16px;
  margin-top: -8px;
  left: -3rem;
  background: url("../img/finish.png") no-repeat center;
  background-size: cover;
}

.course > ul > li > a:before {
  display: none;
}

.lesson h2 {
  margin: 0.75rem 0 0 0;
  font-size: 3rem;
  font-weight: bold;
}
.lesson-page a {
  color: #c7c7c7;
  display: inline-block;
  cursor: pointer;
  -webkit-text-decoration: none;
  text-decoration: none;
  padding: 0.25rem 0.8rem;
  border-radius: 7px;
  -webkit-transition: background 0.2s ease, color 0.2s ease,
    box-shadow 0.2s ease;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  margin-right: 0.5rem;
  font-weight: 600;
}
.lesson-page a:hover {
  background: #f5f5f5;
}
.lesson-page a.on {
  color: white;
  background: #0070f3;
  box-shadow: 0 2px 6px 0 rgba(0, 118, 255, 0.39);
}
.lesson-content {
  margin: 0 0 0 0;
}
.lesson p {
  margin: 1.25rem 0;
}
.lesson ul {
  padding-left: 40px;
  margin: 1rem 0;
}
.lesson ul li {
  list-style-type: disc;
}
.lesson h3 {
  margin-top: 2rem;
  font-size: 1.125rem;
  font-weight: bold;
}
.lesson blockquote {
  margin: 2rem 0;
  padding: 1rem 1.25rem;
  background: #f7f7f7;
  font-size: 1rem;
  border: 0;
}
.lesson footer {
  color: #999 !important;
  text-align: right;
}
.lesson blockquote p:first-child {
  margin-top: 0;
}
.lesson blockquote p:last-child {
  margin-bottom: 0;
}
.lesson-step-nav {
  display: inline-block;
}
.lesson-step-nav a {
  margin: 0;
  border-radius: 7px;
  color: white;
  background: #0070f3;
  box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.39);
  padding: 0 2rem;
  height: 2.5rem;
  line-height: 2.5rem;
  display: inline-block;
  transition: all 0.3s;
}
.lesson-step-nav a:hover {
  background: #1983ff;
}
.learn-menu {
  position: relative;
  display: none;
  height: 56px;
  margin: 0 -30px;
}
.learn-menu button {
  padding: 0 1rem;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  height: 100%;
  width: 100%;
  -webkit-align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  border-bottom: 1px solid #efefef;
}
.learn-ico {
  font-weight: bold;
  margin-right: 10px;
  display: inline-block;
  width: 16px;
}
.learn-ico img {
  width: 100%;
}
.learn-title {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-wrap: normal;
  font-weight: bold;
}
.learn-menu-more {
  position: absolute;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: flex-start;
  -webkit-box-align: flex-start;
  -ms-flex-align: flex-start;
  align-items: flex-start;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  left: 0;
  top: 100%;
  bottom: -50vh;
  width: 100%;
  padding: 0 0.65rem;
  background: white;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  -webkit-transition: bottom 0.5s ease;
  transition: bottom 0.5s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 1;
  display: none;
}
.learn-menu-more .course-box {
  padding-top: 1rem;
}
.learn-menu-more .course-box h3 {
  text-transform: uppercase;
  margin-bottom: 12px;
}
@media screen and (max-width: 750px) {
  .docs {
    padding-top: 0rem;
  }
}
/*docs end*/

/*about start */
.about-top {
  position: relative;
  background: #000000;
  width: 100%;
}
.about-bg {
  position: absolute;
  z-index: 0;
  position: absolute;
  width: 100%;
  background: linear-gradient(
    180deg,
    rgba(51, 110, 107, 0.7),
    rgba(44, 56, 94, 0.7) 51.79%,
    rgba(196, 178, 219, 0.7)
  );
  top: 0;
  left: 0;
}
.about-bg img {
  width: 100%;
}

.about-container {
  z-index: 2;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.about-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 7rem 0 0;
}
.about-title p {
  display: block;
  font-size: 1.5rem;
  color: #fff;
}
.about-title h1 {
  line-height: 1.2;
  font-size: 5.5rem;
  margin: 0;
  color: #fff;
}

.about-img {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  max-width: 100%;
  margin: 6rem 0;
}
.about-img img {
  width: 80%;
  border-radius: 4px;
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.25),
    0 18px 36px -18px rgba(0, 0, 0, 0.3), 0 -12px 36px -8px rgba(0, 0, 0, 0.025);
}
.about-info {
  margin: 0 0 12rem 32rem;
  color: #fff;
  padding: 0 4rem 0 0;
}

.about-logo {
  display: flex;
  align-items: center;
  opacity: 0.5;
  margin-bottom: 1rem;
}
.about-logo img {
  height: 32px;
}
.about-info h2 {
  font-size: 2.25rem;
  margin: 1.75rem 0 2rem;
  line-height: 1.2em;
}
.about-info p {
  padding: 0;
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 400;
  max-width: 30rem;
}
.about-banner {
  position: relative;
}
.about-banner > img {
  width: 100%;
}
.about-banner-logo {
  position: absolute;
  top: -13rem;
  width: 100%;
}
.about-mid {
  display: flex;
  flex-direction: column;
  position: relative;
  background: #fff;
  align-items: center;
}
.about-mid:before {
  z-index: 1;
  content: "";
  top: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  background: linear-gradient(135deg, #000 50%, transparent 0);
}
.about-mid-bg {
  position: absolute;
  z-index: 0;
  top: 25rem;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(180deg, #fff, hsla(0, 0%, 100%, 0) 164.16%), #333;
  -webkit-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  transform: rotate(180deg);
}
.about-mid-box {
  padding: 0 2rem;
  color: #fff;
  max-width: 34rem;
  margin: 10rem 20rem 0 0;
  z-index: 2;
  position: relative;
}
.about-mid-box h4 {
  margin: 0 0 1rem;
  color: #666;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.about-mid-box h2 {
  font-size: 2.25rem;
  margin: 1.75rem 0 2rem;
  line-height: 1.2;
}
.about-mid-box p {
  padding: 0;
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 400;
  margin: 2rem 0;
}
.about-mid-box button {
  appearance: none;
  position: relative;
  display: inline-block;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  line-height: 0;
  white-space: nowrap;
  width: 200px;
  height: 40px;
  padding: 0 25px;
  font-weight: 500;
  border-radius: 5px;
  font-size: 12px;
  color: #000;
  background-color: #fff;
  border: 1px solid #fff;
  transition: all 0.2s ease;
  user-select: none;
  cursor: pointer;
  overflow: hidden;
  outline: none;
}
.about-mid-box button:hover {
  background: #000;
  color: #fff;
}
.about-mid-img {
  position: relative;
  z-index: 3;
  max-width: 64rem;
  width: 100%;
  padding: 0 4rem;
  margin: 10rem 0 14rem;
}
.about-mid-img > img {
  width: 100%;
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.25),
    0 18px 36px -18px rgba(0, 0, 0, 0.3), 0 -12px 36px -8px rgba(0, 0, 0, 0.025);
  border-radius: 8px;
}
.about-mid-simg {
  top: -250px;
  right: -72px;
  position: absolute;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.about-mid-simg img {
  width: 100%;
}

.about-mid-read {
  max-width: 38rem;
  padding: 0 2rem;
  margin: 0 0 3rem;
  color: #000;
}
.about-mid-ico {
  margin-bottom: 3rem;
  width: 80px;
  height: 80px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.24);
  display: flex;
  justify-content: center;
  align-items: center;
}
.about-mid-ico img {
  width: 100%;
  border-radius: 50%;
}
.about-mid-read h4 {
  margin: 0 0 1rem;
  color: #666;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.about-mid-read h2 {
  font-size: 2.25rem;
  margin: 1.75rem 0 2rem;
  line-height: 1.2;
}
.about-mid-read p {
  padding: 0;
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 400;
  margin: 2rem 0;
}
.about-pic {
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  padding: 5rem 0 7rem;
}
.about-pic img {
  width: 60vw;
}
.about-txt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 5rem 2rem;
  background: linear-gradient(
      180deg,
      hsla(0, 0%, 51%, 0.18),
      hsla(0, 0%, 100%, 0)
    ),
    #ededed;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.about-txt-box {
  display: flex;
  padding: 4rem 3rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.about-txt-box p {
  padding: 0;
  text-align: center;
  line-height: 1.5;
  font-size: 1.4rem;
  font-weight: 500;
  margin: 0 0 1.5rem;
  max-width: 38rem;
}
.about-txt-box span {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.4);
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.about-txt > p {
  padding: 0;
  font-size: 1rem;
  line-height: 1.5rem;
  font-weight: 400;
  margin: 3rem 0 0;
  text-align: center;
  max-width: 32rem;
}
.about-bot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #fff;
  overflow: hidden;
}
.about-bot:before {
  content: "";
  top: 36rem;
  width: 100%;
  height: 100%;
  position: absolute;
  background: linear-gradient(135deg, transparent 50%, #1c1c1c 0);
  z-index: 1;
}

.about-bot-bg {
  position: absolute;
  z-index: 0;
  top: 106rem;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(180deg, #fff, hsla(0, 0%, 100%, 0) 164.16%), #333;
}

.about-bot-img {
  max-width: 1440px;
  width: 65vw;
  margin: 0;
  padding: 10rem 0;
  position: relative;
  z-index: 3;
}
.about-bot-img img {
  width: 100%;
  position: relative;
  z-index: 10;
}
.about-top-info {
  z-index: 1;
  color: #fff;
  margin: 0 0 12rem 32rem;
  padding: 0 4rem 0 0;
}
.about-bot-con {
  color: #000;
}
.about-bot-con .quote {
  margin: 4rem 0;
}
.about-bot-con .quote p {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 2rem;
  font-style: italic;
  margin: 0 0 1.5rem;
  padding: 0;
  max-width: 35rem;
}
.about-bot-con .quote span {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.4);
  -webkit-letter-spacing: 1.6px;
  -moz-letter-spacing: 1.6px;
  -ms-letter-spacing: 1.6px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.about-bot-ico {
  position: absolute;
  z-index: 1;
  top: -10rem;
  right: -11rem;
}
.about-bot-ico img {
  position: relative;
  z-index: 0;
  width: 100%;
}
.about-bot-box {
  color: #fff;
  position: relative;
  z-index: 10;
}
.about-bot-box h4 {
  margin: 0 0 1rem;
  color: #666;
  font-size: 0.8rem;
  font-weight: 600;
  -webkit-letter-spacing: 1.6px;
  -moz-letter-spacing: 1.6px;
  -ms-letter-spacing: 1.6px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}
.about-list {
  position: relative;
  width: 100%;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding: 12rem 0 8rem;
  background: #1c1c1c;
}
.about-con {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 12rem 0 8rem;
  background: #1c1c1c;
}
.about-list-img {
  max-width: 1440px;
  display: flex;
  margin: 0 auto;
}
.about-list-item {
  flex: 1;
  margin-right: 16px;
}
.about-list-item:nth-of-type(2n -1) {
  z-index: 2;
}
.about-list-item:not(:last-child) {
  margin-right: 16px;
}
.about-list-item:nth-of-type(2n) {
  transform: translateY(-36px);
}
.about-list-item img {
  width: 100%;
}
.about-list-line {
  top: 0.5rem;
  left: 0;
  display: flex;
  position: absolute;
  height: 100%;
  width: 100%;
  justify-content: center;
  align-items: center;
}
.about-list-line svg {
  width: 100%;
}
.about-list-line svg:last-child {
  display: none;
}
.about-con {
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 0 8rem;
  background: #1c1c1c;
  color: #fff;
}
.about-con p a {
  color: #fff;
  text-decoration: underline;
}
.about-con p a:hover {
  color: #68b5fb;
}

.about-more {
  display: flex;
  justify-content: center;
  background-color: #1c1c1c;
  color: #fff;
}
.about-more-box {
  display: flex;
  color: #fff;
  justify-content: space-between;
  align-items: center;
  max-width: 64rem;
  width: 100%;
  padding: 5rem 2rem;
  border-top: 1px solid #000;
}
.about-more h2 {
  font-size: 2.25rem;
  margin: 1.75rem 0 2rem;
  line-height: 1.2;
  padding: 0;
}
.about-more a {
  height: unset;
  width: unset;
  margin-left: 4rem;
}
.about-more button {
  appearance: none;
  position: relative;
  display: inline-block;
  text-transform: uppercase;
  text-align: center;
  -webkit-text-decoration: none;
  text-decoration: none;
  line-height: 0;
  white-space: nowrap;
  width: 200px;
  height: 40px;
  padding: 0 25px;
  font-weight: 500;
  border-radius: 5px;
  font-size: 12px;
  color: #000;
  background-color: #fff;
  border: 1px solid #fff;
  -webkit-transition: all 0.2s ease;
  transition: all 0.2s ease;
  user-select: none;
  cursor: pointer;
  overflow: hidden;
  outline: none;
}
.about-more button:hover {
  color: #fff;
  background: #000;
}

@media screen and (max-width: 1080px) {
  .about-info {
    margin: 0 0 12rem 16rem;
  }
  .about-mid-simg {
    width: 50%;
  }
}
@media screen and (min-width: 1100px) {
  .corner-gradient.jsx-748407462 {
    top: 112rem;
  }
}
@media screen and (min-width: 1400px) {
  .corner-gradient.jsx-748407462 {
    top: 120rem;
  }
  .about-list-line svg:first-child {
    height: auto;
  }
}
@media screen and (max-width: 750px) {
  .about-title {
    margin: 2rem 0 0;
  }
  .about-img {
    margin: 2rem 0;
  }
  .about-info {
    margin: 1rem 2rem 5rem;
    padding: 0;
  }
  .about-banner-logo {
    top: -7rem;
    width: 50%;
  }
  .about-banner-logo img {
    width: 100%;
  }
  .about-mid:before {
    top: -6%;
    background: linear-gradient(160deg, #000 50%, transparent 0);
  }
  .about-mid-box {
    margin: 6rem 0 0;
  }
  .about-mid-img {
    max-width: unset;
    padding: 0 2rem;
    margin: 6rem 0 5rem;
    width: 100%;
  }
  .about-mid-bg {
    display: none;
  }
  .about-pic {
    padding: 0 0 4rem;
  }
  .about-pic img {
    width: 90vw;
  }
  .about-bot-img {
    width: 80vw;
    padding: 5rem 0;
  }
  .about-bot:before {
    top: 34rem;
    background: linear-gradient(160deg, transparent 50%, #1c1c1c 0);
  }
  .about-bot-ico {
    width: 60vw;
    top: -14rem;
    right: -8rem;
  }
  .about-bot-ico svg {
    width: 100%;
  }
  .about-list {
    padding: 6rem 0 6rem;
  }
  .about-list-line {
    top: 3rem;
    height: 50%;
  }
  .about-con {
    padding: 0 0 0rem;
  }
  .about-more {
    display: block;
  }
  .about-more-box {
    display: block;
    text-align: center;
    padding: 3rem 2rem 4rem;
  }
  .about-more a {
    margin-left: 0;
  }
}
@media screen and (max-width: 640px) {
}

/*about end */

/*search start*/
.search-a {
}
.search-title {
  font-size: 1.4rem;
}
.search-info {
  margin-top: 10px;
}
.search-header {
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #efefef;
}
.search-header-title {
  margin: 0;
  padding: 0;
  height: 6rem;
  line-height: 6rem;
  font-size: 1.5rem;
  font-weight: normal !important;
}

.search-form {
  height: 40px;
  margin-top: 20px;
}
.search-field {
  height: 40px;
  line-height: 40px;
  padding-top: 0;
  padding-bottom: 0;
  position: absolute;
  top: 0;
}
.search-submit {
  background: #fff;
}
.search-submit:hover {
  background: #fff !important;
  opacity: 0.8;
}
/*search end*/

/*授权页开始*/
.authorize {
  max-width: 800px;
  min-width: 300px;
  margin: 0px auto;
}
.authorize-img {
  padding-top:50px;
  margin: 0 auto 50px;
  text-align: center;
}
.authorize-title {
  display: block;
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 50px;
} 
.authorize-txt p {
  margin-bottom: 20px;
  font-size: 16px;
    color: #2E3033;
    line-height: 1.8em;
}
body { font-family: "Microsoft YaHei", "Times New Roman"; text-align: center; }
    .title-img { width: 469px; height: 180px; }
    .cn-title { font-family: "Microsoft YaHei"; font-size: 20pt; font-weight: bold; }
    .en-title { font-family: "Microsoft YaHei"; font-size: 20pt; color: #A5A5A5; }
    .cn-subtitle { font-family: "Microsoft YaHei"; font-size: 12pt; font-weight: bold; }
    .en-text { font-size: 12pt; }
    .product-name { font-family: "Microsoft YaHei"; font-size: 12pt; font-weight: bold; }
    
/*授权页结束/