* {
  padding: 0;
  margin: 0;
  border: 0;
  list-style: none;
  box-sizing: border-box;
}
/* 引入思源黑体字体Medium */
@font-face {
  font-family: 'SourceHanSansCN-Medium';
  src: url('font/SourceHanSansCN-Medium.eot');
  /* IE9 Compat Modes */
  src: url('font/SourceHanSansCN-Medium.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */ url('font/SourceHanSansCN-Medium.woff') format('woff'), /* Modern Browsers */ url('font/SourceHanSansCN-Medium.ttf') format('truetype'), /* Safari, Android, iOS */ url('font/SourceHanSansCN-Medium.svg#SourceHanSansCN-Medium') format('svg');
  /* Legacy iOS */
}
@font-face {
  font-family: 'SourceHanSansCN-Normal';
  src: url('font/SourceHanSansCN-Normal.eot');
  /* IE9 Compat Modes */
  src: url('font/SourceHanSansCN-Normal.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */ url('font/SourceHanSansCN-Normal.woff') format('woff'), /* Modern Browsers */ url('font/SourceHanSansCN-Normal.ttf') format('truetype'), /* Safari, Android, iOS */ url('font/SourceHanSansCN-Normal.svg#SourceHanSansCN-Normal') format('svg');
  /* Legacy iOS */
}
@font-face {
  font-family: 'SourceHanSansCN-Regular';
  src: url('font/SourceHanSansCN-Regular.eot');
  /* IE9 Compat Modes */
  src: url('font/SourceHanSansCN-Regular.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */ url('font/SourceHanSansCN-Regular.woff') format('woff'), /* Modern Browsers */ url('font/SourceHanSansCN-Regular.ttf') format('truetype'), /* Safari, Android, iOS */ url('font/SourceHanSansCN-Regular.svg#SourceHanSansCN-Regular') format('svg');
  /* Legacy iOS */
}
body {
  min-width: 1366px;
  background-color: #ffffff;
  font-family: 'SourceHanSansCN-Medium';
  color: #0a0a0a;
  font-size: 14px;
  line-height: 180%;
}
input,
textarea {
  font-family: 'SourceHanSansCN-Medium';
}
input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
  color: #9fa0a0;
}
input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: #9fa0a0;
}
label[for] {
  cursor: pointer;
}
a {
  color: #000000;
  text-decoration: none;
}
a:active,
a:hover {
  outline: 0;
  text-decoration: none;
}
textarea {
  resize: none;
}
input {
  outline: 0;
}
input[type=button] {
  -webkit-appearance: none;
}
img {
  /* css 缩小图片后，图片变模糊的解决办法 */
  image-rendering: -moz-crisp-edges;
  image-rendering: -o-crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  -ms-interpolation-mode: nearest-neighbor;
}
.f-pl {
  position: absolute;
  z-index: 2;
  left: 0;
}
.f-pr {
  position: absolute;
  z-index: 2;
  right: 0;
}
.f-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.f-flex-startBetween {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.f-flex-centerBetween {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.m-mainBox {
  position: relative;
  max-width: 1600px;
  margin: 0 auto;
}
.g-layout-header {
  position: sticky;
  z-index: 99;
  top: 0;
  left: 0;
  right: 0;
  background-color: #fff;
}
.g-layout-header .m-mainBox {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 120px;
  padding: 16px 30px 0 30px;
}
.g-layout-header .header-logo {
  width: 299px;
  height: 59px;
}
.g-layout-header .header-logo img {
  display: block;
  width: 100%;
  height: auto;
}
.g-layout-header .header-menu {
  display: flex;
  align-items: center;
  grid-gap: 45px;
}
.g-layout-header .header-menu a {
  display: block;
  width: 130px;
  height: 50px;
  font-size: 20px;
  font-weight: bold;
  border-bottom: 2px solid transparent;
  line-height: 50px;
  text-align: center;
}
.g-layout-header .header-menu a:hover {
  color: #5140cf;
}
.g-layout-header .header-menu a.u-active {
  color: #5140cf;
  border-bottom-color: #5140cf;
}
.g-layout-footer {
  background-color: #333333;
}
.g-layout-footer .footer-top {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 152px;
  grid-gap: 45px;
  border-bottom: 1px solid #545454;
}
.g-layout-footer .footer-top a {
  display: block;
  width: 130px;
  height: 50px;
  color: #b2b2b2;
  font-size: 26px;
  border-bottom: 2px solid transparent;
  line-height: 50px;
  text-align: center;
}
.g-layout-footer .footer-top a:hover {
  color: #5140cf;
}
.g-layout-footer .footer-bottom {
  padding: 15px 0 55px 0;
  color: #f6f6f6;
  font-size: 26px;
  text-align: center;
  line-height: 60px;
}
.g-layout-footer .footer-bottom img {
  margin-right: 15px;
}
.g-layout-footer .footer-bottom span {
  font-size: 32px;
}
.m-banner img {
  display: block;
  width: 100%;
  height: auto;
}
.index-about {
  position: relative;
  overflow: hidden;
}
.index-about .m-mainBox {
  padding-top: 132px;
  padding-bottom: 320px;
}
.index-about .m-mainBox > .f-pr {
  top: 0;
  right: -150px;
  color: #d0ebf4;
  font-size: 164px;
  font-weight: bold;
  line-height: 132px;
}
.index-about .m-mainBox > .f-pl {
  bottom: 0;
  left: -140px;
  padding-bottom: 30px;
  color: #d0ebf4;
  font-size: 164px;
  font-weight: bold;
  line-height: 145px;
  text-align: center;
}
.index-about .m-mainBox.u-contactBox {
  padding-bottom: 220px;
}
.index-about .m-mainBox.u-contactBox .f-pl {
  padding-bottom: 75px;
}
.index-about .m-mainBox.u-contactBox .text-text {
  font-size: 26px;
}
.index-about .u-text {
  width: 58%;
  color: #676664;
}
.index-about .u-text .text-title {
  position: relative;
  height: 140px;
  line-height: 140px;
}
.index-about .u-text .text-title b {
  position: relative;
  z-index: 3;
  margin-right: 22px;
  font-size: 40px;
}
.index-about .u-text .text-title span {
  position: relative;
  z-index: 3;
  font-size: 20px;
}
.index-about .u-text .text-title::before {
  content: '';
  position: absolute;
  z-index: 1;
  top: 0;
  left: 40px;
  width: 380px;
  height: 119px;
  border-width: 9px 7px 12px 9px;
  border-style: solid;
  border-color: #d0ebf4;
}
.index-about .u-text .text-title.u-small-title {
  height: 110px;
  line-height: 110px;
}
.index-about .u-text .text-title.u-small-title::before {
  height: 89px;
}
.index-about .u-text .text-title.text-title-intro {
  margin-bottom: 60px;
}
.index-about .u-text .text-text {
  padding: 25px 6.5% 0 0;
  font-size: 32px;
  line-height: 200%;
  text-indent: 2em;
}
.index-about .u-text .text-us {
  position: relative;
  padding-top: 15px;
  margin-right: 35px;
}
.index-about .u-text .text-us .f-pr {
  top: -30px;
  width: 210px;
}
.index-about .u-text .text-us .f-pr img {
  display: block;
  margin: 0 auto;
}
.index-about .u-text .text-us p {
  display: flex;
  padding-right: 210px;
  font-size: 26px;
  line-height: 180%;
}
.index-about .u-text .text-us p label {
  flex: 0 0 135px;
}
.index-about .u-text .text-us p span {
  flex: auto;
}
.index-about .u-img {
  width: 42%;
}
.index-about .u-img img {
  display: block;
  width: 100%;
  height: auto;
}
.index-strengths {
  height: 697px;
  background: url('images/index-strengths-bg.jpg') no-repeat center;
  background-size: cover;
}
.index-strengths .m-mainBox {
  display: flex;
  flex-wrap: wrap;
  height: 100%;
  padding-top: 60px;
  padding-bottom: 60px;
}
.index-strengths .m-mainBox .u-item {
  width: 50%;
  height: 50%;
  color: #fff;
  font-size: 22px;
  line-height: 160%;
}
.index-strengths .m-mainBox .u-item .u-img {
  flex: 0 0 130px;
}
.index-strengths .m-mainBox .u-item .u-img img {
  display: block;
  width: 100%;
  height: auto;
}
.index-strengths .m-mainBox .u-item .u-text {
  flex: auto;
  padding: 0 35px;
}
.index-strengths .m-mainBox .u-item h3 {
  position: relative;
  display: block;
  margin-bottom: 16px;
  padding-bottom: 8px;
  font-weight: normal;
}
.index-strengths .m-mainBox .u-item h3 span {
  font-size: 32px;
  letter-spacing: 5px;
}
.index-strengths .m-mainBox .u-item h3 label {
  font-size: 18px;
}
.index-strengths .m-mainBox .u-item h3::before {
  content: '';
  position: absolute;
  z-index: 2;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 3px;
  background-color: #fff;
}
.index-list {
  padding-top: 150px;
  padding-bottom: 100px;
}
.index-list .list-title {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  width: 850px;
  height: 140px;
  margin: 0 auto 40px auto;
  padding: 15px 0;
  color: #676664;
}
.index-list .list-title.u-border {
  border: 9px solid #d0ebf4;
}
.index-list .list-title b {
  font-size: 40px;
}
.index-list .list-title span {
  font-size: 26px;
}
.index-list .u-list {
  display: flex;
  justify-content: center;
  grid-gap: 35px;
}
.index-list .u-list.u-moreNum .list-item {
  width: 380px;
}
.index-list .u-list.u-moreNum .list-item img {
  height: 360px;
}
.index-list .u-list.u-moreNum .list-item p b {
  font-size: 22px;
}
.index-list .u-list.u-moreNum .list-item p span {
  font-size: 16px;
}
.index-list .u-list.u-moreNum .list-item:nth-child(2n) p span {
  letter-spacing: -2px;
}
.index-list .u-list.u-large .list-item {
  width: 465px;
}
.index-list .u-list.u-large .list-item img {
  height: 473px;
}
.index-list .u-list.u-large .list-item p {
  display: block;
  padding: 10px 0;
  height: auto;
  min-height: 102px;
  background-color: transparent;
}
.index-list .u-list.u-large .list-item p label {
  display: block;
  padding-top: 15px;
  font-size: 28px;
}
.index-list .u-list.u-large .list-item p b {
  font-size: 42px;
  font-weight: normal;
}
.index-list .u-list.u-large .list-item p span {
  display: block;
  min-height: 66px;
  font-size: 16px;
  line-height: 140%;
}
.index-list .u-list .list-item {
  width: 370px;
  margin-bottom: 60px;
}
.index-list .u-list .list-item img {
  display: block;
  width: 100%;
  height: 355px;
}
.index-list .u-list .list-item p {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  height: 102px;
  padding: 20px 0;
  color: #434343;
  background-color: #eee;
}
.index-list .u-list .list-item p b {
  font-size: 20px;
}
.index-list .u-list .list-item p span {
  font-size: 18px;
}
.index-list .u-list-tip {
  margin-top: 15px;
  color: #434343;
  font-size: 30px;
  text-align: center;
}
.intro-outline {
  height: 826px;
  padding-top: 88px;
  background: url('images/intro-outline-bg.jpg') no-repeat center;
  background-size: cover;
}
.intro-outline .outline-body {
  position: relative;
  z-index: 1;
  width: 1170px;
  height: 672px;
  margin: 0 auto;
  background-color: rgba(210, 226, 231, 0.85);
}
.intro-outline .outline-title {
  position: absolute;
  z-index: 2;
  top: -130px;
  left: -45px;
  display: flex;
  flex-direction: column;
  width: 374px;
  height: 197px;
  padding: 40px 45px;
  background: url('images/intro-outline-title-bg.jpg') no-repeat center;
  background-size: 100% 100%;
  font-size: 30px;
  color: #fff;
  line-height: 130%;
}
.intro-outline .outline-title::after {
  content: '';
  position: absolute;
  left: 45px;
  bottom: 45px;
  width: 42px;
  height: 3px;
  background-color: #fff;
}
.intro-outline .f-flex-startBetween {
  padding-top: 110px;
  padding-right: 115px;
}
.intro-outline .f-flex-startBetween .u-text {
  width: 61.2%;
  padding-right: 50px;
  color: #302f2f;
  font-size: 18px;
  font-weight: bold;
}
.intro-outline .f-flex-startBetween .u-text p {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  line-height: 240%;
}
.intro-outline .f-flex-startBetween .u-text p span {
  flex: 0 0 130px;
  text-align: right;
}
.intro-outline .f-flex-startBetween .u-text p label {
  flex: auto;
  padding-left: 20px;
}
.intro-outline .f-flex-startBetween .u-img {
  width: 38.8%;
  padding-top: 25px;
}
.intro-outline .f-flex-startBetween .u-img img {
  display: block;
  width: 100%;
  height: auto;
}
.intro-history {
  padding-top: 40px;
  padding-bottom: 140px;
}
.intro-history .history-title {
  margin-bottom: 70px;
  color: #302f2f;
  font-size: 32px;
  line-height: 180%;
  text-align: center;
}
.intro-history .history-title b {
  display: block;
}
.intro-history .history-line {
  position: relative;
  display: flex;
  align-items: stretch;
  height: 500px;
}
.intro-history .history-line::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #302f2f;
}
.intro-history .history-line .u-item {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.intro-history .history-line .u-item .item-dot {
  position: absolute;
  z-index: 2;
  width: 24px;
  height: 24px;
  left: 50%;
  top: 50%;
  margin-left: -12px;
  margin-top: -12px;
}
.intro-history .history-line .u-item .item-dot::before {
  content: '';
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #5842c9;
}
.intro-history .history-line .u-item .item-dot::after {
  content: '';
  position: absolute;
  z-index: 2;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: 50%;
  background-color: #cde9f3;
}
.intro-history .history-line .u-item .item-null {
  flex: 0 0 360px;
}
.intro-history .history-line .u-item .item-text {
  position: relative;
  flex: 0 0 140px;
  font-size: 28px;
  color: #302f2f;
  text-align: center;
}
.intro-history .history-line .u-item .item-text::after {
  content: '';
  position: absolute;
  z-index: 2;
  bottom: 140px;
  left: 50%;
  width: 1px;
  height: 80px;
  background-color: #129ac5;
}
.intro-history .history-line .u-item .f-flex-center {
  flex-direction: column;
  height: 140px;
  line-height: 180%;
}
.intro-history .history-line .u-item .f-pl {
  top: -190px;
  width: 100%;
  font-weight: bold;
  text-align: center;
}
.intro-history .history-line .u-item:nth-child(2) .item-text::after {
  top: 140px;
  bottom: initial;
}
.intro-history .history-line .u-item:nth-child(2) .f-pl {
  top: initial;
  bottom: -190px;
}
.contact-form {
  padding: 40px 0;
  background-color: #f5f5f5;
}
.contact-form .form-title {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  width: 850px;
  height: 100px;
  margin: 0 auto 15px auto;
  padding: 10px 0;
}
.contact-form .form-title b {
  font-size: 28px;
  font-weight: normal;
  color: #313131;
}
.contact-form .form-title span {
  font-size: 14px;
  color: #989898;
}
.contact-form .u-form {
  width: 980px;
  margin: 0 auto;
}
.contact-form .u-form .f-flex-centerBetween {
  grid-gap: 25px;
}
.contact-form .u-form .u-form-item {
  flex: 1;
  position: relative;
  margin-bottom: 25px;
}
.contact-form .u-form input {
  display: block;
  width: 100%;
  height: 50px;
  padding: 0 20px;
  border: 1px solid #d2d2d2;
  background-color: transparent;
  color: #555555;
  font-size: 22px;
}
.contact-form .u-form textarea {
  display: block;
  width: 100%;
  height: 100px;
  padding: 10px 20px;
  border: 1px solid #d2d2d2;
  background-color: transparent;
  color: #555555;
  font-size: 22px;
}
.contact-form .u-form .u-form-btn {
  padding: 20px 0;
}
.contact-form .u-form .u-form-btn .u-btn {
  width: 180px;
  height: 46px;
  margin: 0 auto;
  background-color: #0e80d8;
  border-radius: 4px;
  color: #fff;
  font-size: 22px;
  text-align: center;
  line-height: 46px;
  cursor: pointer;
}
.contact-form .u-form .u-form-btn .u-btn:hover {
  background-color: rgba(14, 128, 216, 0.8);
}
.contact-form .u-form .u-form-btn .u-item-error {
  display: none;
  margin-top: 10px;
  font-size: 20px;
  color: #fa0001;
  text-align: center;
}
.m-fixed-popup {
  position: fixed;
  z-index: 99;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
}
.m-fixed-popup .popup-body {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  width: 580px;
  min-height: 120px;
  padding: 30px;
  background-color: #fff;
  border-radius: 20px;
}
.m-fixed-popup .popup-text {
  margin-bottom: 30px;
  color: #555555;
  font-size: 24px;
  line-height: 180%;
}
.m-fixed-popup .popup-btn .u-btn {
  width: 138px;
  height: 48px;
  margin: 0 auto;
  background-color: #265ebf;
  border-radius: 20px;
  color: #fff;
  font-size: 20px;
  text-align: center;
  line-height: 48px;
  cursor: pointer;
}
.m-fixed-popup .popup-btn .u-btn:hover {
  background-color: rgba(38, 94, 191, 0.8);
}
@media screen and (max-width: 1600px) {
  .m-mainBox {
    padding-left: 10%;
    padding-right: 10%;
  }
  .index-about .m-mainBox {
    padding-top: 114px;
    padding-bottom: 320px;
  }
  .index-about .m-mainBox > .f-pr {
    right: 0;
    font-size: 148px;
    line-height: 114px;
  }
  .index-about .m-mainBox > .f-pl {
    left: 0;
    font-size: 148px;
    line-height: 145px;
  }
  .index-about .m-mainBox.u-contactBox {
    padding-bottom: 180px;
  }
  .index-about .m-mainBox.u-contactBox .f-pl {
    padding-bottom: 35px;
  }
  .index-about .m-mainBox.u-contactBox .text-text {
    font-size: 24px;
  }
  .index-about .u-text .text-title {
    height: 114px;
    line-height: 114px;
  }
  .index-about .u-text .text-title b {
    font-size: 32px;
  }
  .index-about .u-text .text-title span {
    font-size: 16px;
  }
  .index-about .u-text .text-title::before {
    width: 340px;
    height: 103px;
  }
  .index-about .u-text .text-title.u-small-title {
    height: 96px;
    line-height: 96px;
  }
  .index-about .u-text .text-title.u-small-title::before {
    height: 85px;
  }
  .index-about .u-text .text-title.text-title-intro {
    margin-bottom: 40px;
  }
  .index-about .u-text .text-text {
    font-size: 28px;
  }
  .index-about .u-text .text-us .f-pr {
    top: 0;
  }
  .index-about .u-text .text-us p {
    padding-right: 210px;
    font-size: 22px;
  }
  .index-about .u-text .text-us p label {
    flex: 0 0 110px;
  }
  .index-strengths {
    height: 620px;
  }
  .index-strengths .m-mainBox .u-item {
    font-size: 18px;
  }
  .index-strengths .m-mainBox .u-item .u-img {
    flex: 0 0 130px;
  }
  .index-strengths .m-mainBox .u-item .u-text {
    padding: 0 30px;
  }
  .index-strengths .m-mainBox .u-item h3 span {
    font-size: 28px;
  }
  .index-strengths .m-mainBox .u-item h3 label {
    font-size: 16px;
  }
  .index-list .list-title {
    width: 680px;
  }
  .index-list .list-title b {
    font-size: 34px;
  }
  .index-list .list-title span {
    font-size: 22px;
  }
  .index-list .u-list {
    grid-gap: 25px;
  }
  .index-list .u-list.u-moreNum .list-item img {
    height: auto;
  }
  .index-list .u-list.u-moreNum .list-item p b {
    font-size: 20px;
  }
  .index-list .u-list.u-moreNum .list-item p span {
    font-size: 14px;
  }
  .index-list .u-list.u-large .list-item img {
    height: auto;
  }
  .index-list .u-list.u-large .list-item p label {
    font-size: 24px;
  }
  .index-list .u-list.u-large .list-item p b {
    font-size: 34px;
  }
  .index-list .u-list.u-large .list-item p span {
    font-size: 14px;
  }
  .index-list .u-list .list-item img {
    height: auto;
  }
  .index-list .u-list .list-item p b {
    font-size: 18px;
  }
  .index-list .u-list .list-item p span {
    font-size: 16px;
  }
  .index-list .u-list-tip {
    font-size: 26px;
  }
  .intro-outline {
    height: 786px;
  }
  .intro-outline .outline-body {
    height: 622px;
  }
  .intro-outline .outline-title {
    width: 354px;
    height: 177px;
    font-size: 28px;
  }
  .intro-outline .f-flex-startBetween {
    padding-top: 100px;
    padding-right: 105px;
  }
  .intro-outline .f-flex-startBetween .u-text {
    font-size: 16px;
  }
  .intro-outline .f-flex-startBetween .u-text p span {
    flex: 0 0 130px;
  }
  .intro-history {
    padding-bottom: 120px;
  }
  .intro-history .history-title {
    font-size: 28px;
  }
  .intro-history .history-line {
    height: 500px;
  }
  .intro-history .history-line .u-item .item-null {
    flex: 0 0 360px;
  }
  .intro-history .history-line .u-item .item-text {
    flex: 0 0 140px;
    font-size: 24px;
  }
}
@media screen and (max-width: 1366px) {
  .g-layout-header .m-mainBox {
    height: 100px;
  }
  .g-layout-header .header-menu {
    grid-gap: 35px;
  }
  .g-layout-header .header-menu a {
    width: 120px;
    font-size: 18px;
  }
  .g-layout-footer .footer-top {
    height: 132px;
    grid-gap: 35px;
  }
  .g-layout-footer .footer-top a {
    width: 120px;
    font-size: 22px;
  }
  .g-layout-footer .footer-bottom {
    padding: 15px 0 55px 0;
    font-size: 22px;
    line-height: 60px;
  }
  .g-layout-footer .footer-bottom img {
    width: 56px;
    height: auto;
  }
  .g-layout-footer .footer-bottom span {
    font-size: 28px;
  }
  .index-about .m-mainBox {
    padding-top: 100px;
    padding-bottom: 280px;
  }
  .index-about .m-mainBox > .f-pr {
    font-size: 128px;
    line-height: 100px;
  }
  .index-about .m-mainBox > .f-pl {
    font-size: 128px;
    line-height: 126px;
  }
  .index-about .m-mainBox.u-contactBox .f-pl {
    padding-bottom: 15px;
  }
  .index-about .m-mainBox.u-contactBox .text-text {
    font-size: 20px;
  }
  .index-about .u-text .text-title {
    height: 108px;
    line-height: 108px;
  }
  .index-about .u-text .text-title b {
    font-size: 28px;
  }
  .index-about .u-text .text-title span {
    font-size: 14px;
  }
  .index-about .u-text .text-title::before {
    width: 280px;
    height: 92px;
  }
  .index-about .u-text .text-title.u-small-title {
    height: 88px;
    line-height: 88px;
  }
  .index-about .u-text .text-title.u-small-title::before {
    height: 82px;
  }
  .index-about .u-text .text-title.text-title-intro {
    margin-bottom: 30px;
  }
  .index-about .u-text .text-text {
    font-size: 24px;
  }
  .index-about .u-text .text-us p {
    padding-right: 210px;
    font-size: 20px;
  }
  .index-about .u-text .text-us p label {
    flex: 0 0 110px;
  }
  .index-strengths {
    height: 580px;
  }
  .index-strengths .m-mainBox .u-item {
    font-size: 16px;
  }
  .index-strengths .m-mainBox .u-item .u-img {
    flex: 0 0 110px;
  }
  .index-strengths .m-mainBox .u-item .u-text {
    padding: 0 30px;
  }
  .index-strengths .m-mainBox .u-item h3 span {
    font-size: 24px;
  }
  .index-strengths .m-mainBox .u-item h3 label {
    font-size: 14px;
  }
  .index-list {
    padding-top: 130px;
    padding-bottom: 80px;
  }
  .index-list .list-title {
    width: 560px;
    height: 120px;
  }
  .index-list .list-title b {
    font-size: 32px;
  }
  .index-list .list-title span {
    font-size: 20px;
  }
  .index-list .u-list.u-moreNum .list-item p b {
    font-size: 18px;
  }
  .index-list .u-list.u-large .list-item p label {
    font-size: 20px;
  }
  .index-list .u-list.u-large .list-item p b {
    font-size: 28px;
  }
  .index-list .u-list.u-large .list-item p span {
    min-height: 76px;
  }
  .index-list .u-list .list-item {
    margin-bottom: 40px;
  }
  .index-list .u-list .list-item p b {
    font-size: 16px;
  }
  .index-list .u-list .list-item p span {
    font-size: 14px;
  }
  .index-list .u-list-tip {
    font-size: 22px;
  }
  .intro-outline .outline-body {
    width: 1068px;
  }
  .intro-outline .outline-title {
    top: -120px;
    width: 314px;
    height: 157px;
    padding: 35px 40px;
    font-size: 24px;
  }
  .intro-outline .f-flex-startBetween {
    padding-top: 80px;
    padding-right: 85px;
  }
  .intro-history {
    padding-bottom: 100px;
  }
  .intro-history .history-title {
    margin-bottom: 40px;
    font-size: 24px;
  }
  .intro-history .history-line {
    height: 460px;
  }
  .intro-history .history-line .u-item .item-dot {
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
  }
  .intro-history .history-line .u-item .item-null {
    flex: 0 0 340px;
  }
  .intro-history .history-line .u-item .item-text {
    flex: 0 0 120px;
    font-size: 20px;
  }
  .intro-history .history-line .u-item .item-text::after {
    bottom: 120px;
  }
  .intro-history .history-line .u-item .f-flex-center {
    height: 120px;
  }
  .intro-history .history-line .u-item:nth-child(2) .item-text::after {
    top: 120px;
  }
  .contact-form .form-title b {
    font-size: 24px;
  }
  .contact-form .u-form {
    width: 820px;
  }
  .contact-form .u-form input {
    font-size: 20px;
  }
  .contact-form .u-form textarea {
    font-size: 20px;
  }
  .contact-form .u-form .u-form-btn .u-btn {
    width: 160px;
    font-size: 20px;
  }
  .contact-form .u-form .u-form-btn .u-item-error {
    font-size: 18px;
  }
}