html, body {
  padding: 0;
  margin: 0;
  overflow-x: hidden;
}

body {
  color: #000;
  background: #fff;
  font-size: 100%;
  line-height: 1;
  font-family: "-apple-system", "PingFang SC", helvetica, "Heiti SC", "Hiragino Sans GB", "Droid Sans", "Microsoft Yahei";
}

h1, h2, h3, h4, h5, h6, select, input, button {
  font-size: 100%;
  font-weight: normal;
  outline: none;
  box-sizing: border-box;
}

body, h1, h2, h3, h4, h5, h6, div, ol, ul, li, dl, dt, dd, form, p, img, hr {
  margin: 0;
  padding: 0;
  border: 0;
  outline: none;
  box-sizing: border-box;
}

input, button, select, img {
  margin: 0;
  padding: 0;
  line-height: normal;
  border: 0;
  outline: none;
  box-sizing: border-box;
}

input {
  -webkit-appearance: none;
}

ul, li, dl, dt, dd {
  list-style: none;
}

select, input, textarea, button, button img, label {
  vertical-align: middle;
  font-family: "-apple-system", "PingFang SC", helvetica, "Heiti SC", "Hiragino Sans GB", "Droid Sans", "Microsoft Yahei";
  outline: none;
  box-sizing: border-box;
}

header, footer, section, aside, nav, hgroup, figure, figcaption {
  display: block;
  margin: 0;
  padding: 0;
  border: none;
  outline: none;
  box-sizing: border-box;
}

a, a:link, a:visited {
  color: #333;
  text-decoration: none;
  cursor: pointer;
  outline: none;
}

a:hover {
  color: #ffde02;
  text-decoration: none;
  cursor: pointer;
}

.clearfix:after {
  content: "";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

.clearfix {
  zoom: 1;
}

body {
  -webkit-text-size-adjust: 100%;
     -moz-text-size-adjust: 100%;
          text-size-adjust: 100%;
}

.content {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

footer {
  background-color: #000;
}

.footer {
  display: flex;
  flex-direction: row;
}
.footer .left {
  width: 60%;
}
.footer .logo {
  padding: 44px 0 34px 0;
}
.footer .logo img {
  width: 260px;
}
.footer .business {
  font-size: 24px;
  line-height: 48px;
  color: #fff;
  padding: 10px 0 24px 0;
}
.footer .cp {
  padding: 0px 0 110px 0;
  font-size: 16px;
  color: #9a9a9a;
}
.footer .code-app img {
  width: 100px;
}
.footer .right {
  width: 40%;
  padding-top: 280px;
  text-align: right;
}
.footer .right .list.m {
  display: none;
}
.footer .icon {
  width: 50px;
  height: 50px;
  margin-left: 36px;
  display: inline-block;
  vertical-align: top;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
  animation: iconFadeInUp 0.6s ease forwards;
  opacity: 0;
}
.footer .icon:nth-child(1) {
  animation-delay: 0.1s;
}
.footer .icon:nth-child(2) {
  animation-delay: 0.2s;
}
.footer .icon:nth-child(3) {
  animation-delay: 0.3s;
}
.footer .icon.icon-1 {
  background: url("../images/f-icon-1.png") no-repeat;
  background-size: 100% 100%;
}
.footer .icon.icon-2 {
  background: url("../images/f-icon-2.png") no-repeat;
  background-size: 100% 100%;
}
.footer .icon.icon-3 {
  background: url("../images/f-icon-3.png") no-repeat;
  background-size: 100% 100%;
}
.footer .icon:hover {
  transform: translateY(-8px) scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  border-radius: 8px;
}
.footer .icon.icon-1:hover {
  background-image: url("../images/f-icon-1h.png");
}
.footer .icon.icon-2:hover {
  background-image: url("../images/f-icon-2h.png");
}
.footer .icon.icon-3:hover {
  background-image: url("../images/f-icon-3h.png");
}
.footer .icon .code {
  position: absolute;
  top: -120px;
  left: -33px;
  width: 116px;
  height: 122px;
  display: none;
  transition: all 0.3s ease;
}
.footer .icon .code img {
  width: 100%;
}
.footer .icon:hover .code {
  display: block;
  animation: codeFadeIn 0.3s ease;
}
@keyframes iconFadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes codeFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

header {
  position: relative;
}
header .head {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}
header .head .img {
  display: none;
}
header .content {
  height: 100%;
}
header h1 {
  position: absolute;
  top: 34px;
  left: 0;
}
header h1 img {
  height: 42px;
}
header .img {
  display: inline-block;
  vertical-align: top;
}
header .t {
  font-size: 20px;
  color: #000;
  line-height: 20px;
  padding: 22px 0 0 10px;
  display: inline-block;
  vertical-align: top;
}
header .banner-text {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
header .banner-text .t1 {
  font-size: 80px;
  line-height: 112px;
}
header .banner-text .t2 {
  font-size: 64px;
  line-height: 90px;
}

.nav {
  position: absolute;
  top: 22px;
  right: 0;
  font-size: 24px;
  line-height: 34px;
  z-index: 2;
}
.nav > ul > li:first-child {
  display: none;
}
.nav ul {
  display: flex;
}
.nav li {
  padding: 0 40px;
}
.nav li.on a.on {
  position: relative;
}
.nav li.on a.on::before {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  content: "";
  height: 8px;
  background-color: #ffde02;
  z-index: -1;
}
.nav li ul {
  display: none;
}
.nav a {
  color: #000;
  white-space: nowrap;
  display: inline-block;
  vertical-align: top;
  padding: 23px 0;
  position: relative;
  transition: all 0.3s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 24px;
  width: 0;
  height: 8px;
  background-color: #ffde02;
  transition: all 0.3s ease;
  transform: translateX(-50%);
  z-index: -1;
}
.nav a:hover {
  color: #333;
}
.nav a:hover::after {
  width: 100%;
}

.recommend {
  padding: 180px 0 100px 0;
}
.recommend .tit {
  font-size: 32px;
  line-height: 45px;
  color: #000;
}
.recommend .text {
  font-size: 56px;
  line-height: 76px;
  color: #000;
  padding-top: 15px;
}
.recommend .t2 {
  font-size: 24px;
  color: #000;
}

.bg-img {
  opacity: 0;
  width: 100%;
  max-width: 100%;
  min-width: 1200px;
}

.pages {
  text-align: center;
  padding: 100px 0;
}

.pagelist {
  display: flex;
  justify-content: center;
}
.pagelist li {
  height: 40px;
  font-size: 24px;
  padding: 0 8px;
  min-width: 40px;
  background-color: #eee;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 20px;
}

.conn h2 span, .case-detail h2 span {
  font-size: 46px;
  line-height: 69px;
  font-weight: bold;
  position: relative;
}
.conn h2 span::before, .case-detail h2 span::before {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  content: "";
  height: 16px;
  background-color: #FFDE02;
  z-index: -1;
}
.conn .tit span, .case-detail .tit span {
  padding: 0 24px 0 6px;
  height: 62px;
  display: inline-flex;
  align-items: center;
  background: #FFEA5F;
  border-radius: 31px;
  font-size: 34px;
}
.conn .tit img, .case-detail .tit img {
  width: 50px;
  height: 50px;
  margin-right: 13px;
}

.list-flex {
  display: flex;
  flex-direction: row;
  padding: 30px 0 100px 0;
}
.list-flex .left {
  width: 50%;
  padding-right: 5%;
}
.list-flex .left h3 {
  font-size: 36px;
  line-height: 54px;
  color: #000;
  font-weight: bold;
}
.list-flex .left p {
  font-size: 18px;
  line-height: 30px;
  color: #666;
}
.list-flex .right {
  width: 50%;
  padding-left: 15%;
}
.list-flex .right p {
  font-size: 20px;
  line-height: 38px;
}
.list-flex .right h4 {
  font-size: 20px;
  line-height: 38px;
  font-weight: bold;
  position: relative;
  padding-left: 22px;
}
.list-flex .right h4::before {
  position: absolute;
  left: 0;
  top: 13px;
  content: "";
  width: 12px;
  height: 12px;
  background-color: #FFDE02;
  border-radius: 50%;
}

.h-5 {
  height: 5px;
}

.h-10 {
  height: 10px;
}

.h-20 {
  height: 20px;
}

.h-30 {
  height: 30px;
}

.list-point {
  font-size: 20px;
  line-height: 38px;
  font-weight: bold;
  position: relative;
  padding-left: 22px;
}
.list-point::before {
  position: absolute;
  left: 0;
  top: 13px;
  content: "";
  width: 12px;
  height: 12px;
  background-color: #FFDE02;
  border-radius: 50%;
}

.list-tag span {
  display: inline-flex;
  vertical-align: top;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 16px;
  border: 1px #000 solid;
  color: #000;
  border-radius: 4px;
  margin-right: 24px;
  cursor: default;
}
.list-tag span:hover {
  background-color: #000;
  color: #fff;
}

.fs24 {
  font-size: 24px;
}

.fs26 {
  font-size: 26px;
}

.fs28 {
  font-size: 28px;
}

.fs30 {
  font-size: 30px;
}

.fs32 {
  font-size: 32px;
}

.fs34 {
  font-size: 34px;
}

.fs36 {
  font-size: 36px;
}

.fs38 {
  font-size: 38px;
}

.fs54 {
  font-size: 54px;
}

.fs56 {
  font-size: 56px;
}

.fs58 {
  font-size: 58px;
}

.fs60 {
  font-size: 60px;
}

.fs62 {
  font-size: 62px;
}

.fs64 {
  font-size: 64px;
}

.fs66 {
  font-size: 66px;
}

.fs68 {
  font-size: 68px;
}

.fnormal {
  font-weight: normal;
}

.tmp-case-box {
  display: flex;
  position: relative;
  color: #000;
  overflow: hidden;
}
.tmp-case-box img {
  width: 100%;
}
.tmp-case-box .tit {
  position: absolute;
  left: 60px;
  bottom: 40px;
}
.tmp-case-box .tit span {
  display: inline-block;
  position: relative;
}
.tmp-case-box .tit span::after {
  position: absolute;
  left: 0;
  width: 0;
  bottom: -4px;
  content: "";
  height: 8px;
  background-color: #FFDE02;
  transition: all 0.5s;
}
.tmp-case-box .name {
  font-size: 28px;
  line-height: 40px;
}
.tmp-case-box .desc {
  font-size: 24px;
  line-height: 32px;
}
.tmp-case-box:hover img {
  transform: scale(1.1);
  transition: all 0.5s;
}
.tmp-case-box:hover .tit span::after {
  width: 100%;
}

hr {
  height: 1px;
  background-color: #979797;
  padding: 0;
  margin: 0;
}

@media screen and (max-width: 750px) {
  .content {
    width: 100%;
    padding: 0;
    position: relative;
  }
  .recommend {
    padding: 0 50px;
  }
  header h1 {
    left: 50px;
    z-index: 9;
    white-space: nowrap;
  }
  header h1 .img {
    display: none;
  }
  header h1 .img2 {
    display: inline-block;
  }
  .menu {
    position: absolute;
    top: 38px;
    right: 30px;
    width: 50px;
    height: 50px;
    z-index: 9;
  }
  .menu::before {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    top: 15px;
    height: 3px;
    background-color: #1a1a1a;
    transition: all 0.3s ease;
  }
  .menu::after {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    top: 35px;
    height: 3px;
    background-color: #1a1a1a;
    transition: all 0.3s ease;
  }
  .menu i {
    position: absolute;
    left: 10px;
    right: 10px;
    top: 25px;
    height: 3px;
    background-color: #1a1a1a;
    pointer-events: none;
  }
  .menu.close::before {
    transform: rotate(45deg);
    top: 25px;
  }
  .menu.close::after {
    transform: rotate(-45deg);
    top: 25px;
  }
  .menu.close i {
    display: none;
  }
  .video {
    height: auto;
    width: 100%;
  }
  header {
    height: auto;
  }
  header .open .img {
    display: none;
  }
  header .open .img2 {
    display: inline-block;
  }
  header .open .t {
    color: #000;
  }
  .nav > ul > li:first-child {
    display: block;
  }
  .navn {
    display: none;
  }
  .navn.open {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgb(255, 255, 255);
    padding: 200px 0 0 10px;
  }
  .navn.open ul {
    flex-direction: column;
  }
  .navn.open ul li {
    text-align: left;
    font-size: 36px;
  }
  .navn.open ul li.on ul {
    position: static;
    top: auto;
    right: auto;
  }
  .navn.open ul li.on ul li {
    font-size: 36px;
    padding-left: 20px;
  }
  .navn.open ul li.on ul li a {
    font-size: 36px;
    color: #000;
  }
  .navn.open ul a {
    display: block;
    color: #000;
    padding: 30px 0;
  }
  .navn.open ul a::before {
    display: none;
  }
  .navn.open ul a::after {
    display: none;
  }
  .navn.open ul a.on {
    position: relative;
  }
  .navn.open ul a.on span::before {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    content: "";
    height: 8px;
    background-color: #ffde02;
    z-index: -1;
  }
  .navn.open ul span {
    display: inline-block;
    position: relative;
  }
  .navn.open ul span::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -1px;
    width: 0;
    height: 8px;
    background-color: #ffde02;
    transition: all 0.3s ease;
    transform: translateX(-50%);
    z-index: -1;
  }
  .footer {
    padding: 0 50px 0 70px;
    justify-content: space-between;
  }
  .footer .left {
    width: 43%;
  }
  .footer .logo {
    padding: 30px 0;
  }
  .footer .logo img {
    height: 35px;
    width: auto;
  }
  .footer .business {
    font-size: 16px;
    padding: 0 0 10px 0;
  }
  .footer .code-app {
    display: none;
  }
  .footer .cp {
    padding-bottom: 30px;
    line-height: 20px;
    font-size: 12px;
  }
  .footer .right {
    padding: 150px 0 100px 0;
    text-align: right;
    width: 50%;
  }
  .footer .right .list {
    display: none;
  }
  .footer .right .list.m {
    display: block;
  }
  .footer .icon.icon-1 {
    margin-left: 0;
  }
  .list-flex {
    flex-direction: column;
  }
  .list-flex .left {
    width: 100%;
  }
  .list-flex .left h3 br {
    display: none;
  }
  .list-flex .right {
    width: 100%;
    padding-left: 0;
  }
  .list-flex .right p {
    font-size: 22px;
  }
}