@charset "utf-8";

/* 主题色设置 */
:root {
  --yf-green-default: #008375;
  --yf-green-light: #39aaa0;
  --yf-green-bg: #f6fbfa;

  --yf-black-v1: #292929;
  --yf-black-v2: #3c3c3c;
  --yf-black-v3: #808080;
  --yf-black-v4: #cccccc;
  --yf-black-line: #ebebeb;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

*:after,
*:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

html,
body {
  padding: 0;
  margin: 0;
}

img {
  border-style: none;
  border: 0;
  vertical-align: middle;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

p {
  margin: 0;
  padding: 0;
}

b,
strong {
  font-weight: bolder;
}

a {
  background-color: transparent;
  color: var(--yf-black-v2);
  text-decoration: none;
  outline: none;
}

a:hover,
a:focus,
a:active {
  color: #666;
}

ul,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 表单*/
input {
  outline: none;
  border: none;
  -webkit-appearance: none;
}

textarea {
  font-family: Arial, "Open Sans", "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
  overflow: auto;
  resize: none;
}

button {
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

/* 表格 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* scrollbar */
::-webkit-scrollbar {
  -webkit-appearance: none;
  width: 6px;
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f5f5f5;
}

::-webkit-scrollbar-thumb {
  background: var(--yf-green-default);
}

::-webkit-scrollbar-thumb:active {
  background: #666;
}

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
/*@font-face {*/
/*  font-family: "Light";*/
/*  src:local("Light"), url("//rcdn.comma.news/fonts/SourceHanSansSC/SourceHanSansSC-Light.otf") format("opentype");*/
/*  font-display: swap;*/
/*}*/

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
/*@font-face {*/
/*  font-family: "Regular";*/
/*  src:local("Regular"), url("//rcdn.comma.news/fonts/SourceHanSansSC/SourceHanSansSC-Regular.otf") format("opentype");*/
/*  font-display: swap;*/
/*}*/

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
/*@font-face {*/
/*  font-family: "Medium";*/
/*  src:local("Medium"), url("//rcdn.comma.news/fonts/SourceHanSansSC/SourceHanSansSC-Medium.otf") format("opentype");*/
/*  font-display: swap;*/
/*}*/

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
/*@font-face {*/
/*  font-family: "InstrumentSans";*/
/*  src:local("InstrumentSans"), url("//rcdn.comma.news/fonts/SourceHanSansSC/InstrumentSans-Regular.ttf") format("opentype");*/
/*  font-display: swap;*/
/*}*/

/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
@font-face {
  font-family: "iconfont";
  /* Project id 4259298 */
  src: url("//at.alicdn.com/t/c/font_4259298_hdvp5ykjf8.woff2?t=1695355379410")
      format("woff2"),
    url("//at.alicdn.com/t/c/font_4259298_hdvp5ykjf8.woff?t=1695355379410")
      format("woff"),
    url("//at.alicdn.com/t/c/font_4259298_hdvp5ykjf8.ttf?t=1695355379410")
      format("truetype");
}

/* 全局设置 */
body {
  font-size: 18px;
  /* font-family: Arial, "Open Sans", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif; */
  font-family: "InstrumentSans", "Regular";
  line-height: 1.64;
  color: var(--yf-black-v2);
}

/* body::before {
  position: fixed;
  top: 0;
  left: 50%;
  content: "";
  z-index: 9999;
  width: 1px;
  height: 100vh;
  background-color: red;
} */

.flex {
  display: flex;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  -moz-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
}

.position {
  position: relative;
}

.overflow {
  overflow: hidden;
}

.background {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.container {
  margin: 0 auto;
  width: 84%;
}

@media (max-width: 1200px) {
  .container {
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
  }
}

.padding {
  padding-top: 100px;
  padding-bottom: 120px;
}

.pt-120 {
  padding-top: 120px;
}

.pb-120 {
  padding-bottom: 120px;
}

@media (max-width: 1200px) {
  .padding {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .pt-120 {
    padding-top: 80px;
  }

  .pb-120 {
    padding-bottom: 80px;
  }
}

@media (max-width: 768px) {
  .padding {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .pt-120 {
    padding-top: 40px;
  }

  .pb-120 {
    padding-bottom: 40px;
  }
}

/* 文字 */
.tf-banner {
  font-size: 64px;
  line-height: 1.64;
  color: var(--yf-black-v1);
  font-family: "Medium";
}

.tf-v1 {
  font-size: 48px;
  color: var(--yf-black-v1);
  font-family: "Medium";
}

.tf-v1 span {
  display: block;
}

.tf-v2 {
  font-size: 28px;
  color: var(--yf-black-v1);
}

.tf-v3 {
  font-size: 24px;
  color: var(--yf-black-v1);
  font-family: "Medium";
}

.tf-vs {
  font-size: 24px;
  color: var(--yf-black-v2);
  font-family: "Light";
}

.tf-st-lg {
  font-family: "Light";
}

.tf-st-lg {
  font-family: "Regular";
}

.tf-st-lg {
  font-family: "Medium";
}

@media (max-width: 1600px) {
  body {
    font-size: 16px;
  }

  .tf-banner {
    font-size: 56px;
  }

  .tf-v1 {
    font-size: 40px;
  }

  .tf-v2 {
    font-size: 24px;
    color: var(--yf-black-v1);
  }

  .tf-v3 {
    font-size: 20px;
  }

  .tf-vs {
    font-size: 20px;
  }
}

@media (max-width: 1366px) {
  .tf-banner {
    font-size: 48px;
  }

  .tf-v1 {
    font-size: 36px;
  }

  .tf-v2 {
    font-size: 24px;
    color: var(--yf-black-v1);
  }

  .tf-v3 {
    font-size: 20px;
  }

  .tf-vs {
    font-size: 20px;
  }
}

@media (max-width: 960px) {
  .tf-banner {
    font-size: 38px;
  }
  .tf-v1 {
    font-size: 28px;
  }

  .tf-v2,
  .tf-v3 {
    font-size: 20px;
  }

  .tf-vs {
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .tf-banner {
    font-size: 32px;
  }

  .tf-v1 {
    font-size: 24px;
  }

  .tf-v2,
  .tf-v3 {
    font-size: 18px;
  }

  .tf-vs {
    font-size: 12px;
  }
}
@media (max-width: 640px) {
}
/* 
@media (max-width: 480px) {
  .tf-banner {
    font-size: 32px;
    line-height: 1.2;
  }
  .tf-v1 {
    font-size: 28px;
  }
  .tf-v2,
  .tf-v3 {
    font-size: 16px;
  }

  .tf-vs {
    font-size: 14px;
  }
} */

/* btn */

.btn {
  position: relative;
  z-index: 1;
  display: block;
  width: 274px;
  padding: 0 40px;
  line-height: 78px;
  height: 80px;
  border-radius: 12px;
  font-size: 0;
  overflow: hidden;
}

.btn.center {
  margin-left: auto;
  margin-right: auto;
}

.btn::before {
  position: absolute;
  inset: 0;
  content: "";
  z-index: -1;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
}

.btn .text {
  position: relative;
  z-index: 1;
  display: block;
  font-size: 24px;
  transition: 0.3s;
}

.btn .arrow {
  position: absolute;
  top: 50%;
  right: 20px;
  z-index: -1;
  margin-top: -16px;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
}

.btn .arrow i {
  line-height: 1;
  color: #fff;
}

.btn .arrow::before {
  position: absolute;
  top: 50%;
  right: 50%;
  z-index: -1;
  content: "";
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #39aaa0;
  border: 1px solid #39aaa0;

  transform: translate(50%, -50%);
  transition: 1s;
}

.btn.white .text {
  color: #fff;
}

/* */
.btn:hover .text {
  color: #fff;
}

.btn:hover .arrow::before {
  transform: scale(15);
}

@media (max-width: 1200px) {
  .btn {
    width: 204px;
    padding: 0 28px;
    line-height: 54px;
    height: 56px;
    border-radius: 8px;
  }

  .btn::before {
    border-radius: 8px;
  }

  .btn .text {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .btn {
    width: 140px;
    padding: 0 20px;
    line-height: 50px;
    height: 50px;
    border-radius: 4px;
  }

  .btn .text {
    font-size: 14px;
  }

  .btn.center .text {
    padding-right: 25px;
  }

  .btn .arrow {
    right: 20px;
    margin-top: -12px;
    width: 24px;
    height: 24px;
  }

  .btn .arrow i {
    font-size: 14px;
  }

  .btn .arrow::before {
    width: 24px;
    height: 24px;
  }
}

/* small */
.btn.small {
  width: 128px;
  padding: 0 18px;
  line-height: 38px;
  height: 40px;
  border-radius: 6px;
}

.btn.small::before {
  border-radius: 6px;
}

.btn.small .text {
  font-size: 12px;
}

.btn.small .arrow {
  right: 18px;
  margin-top: -9px;
  width: 18px;
  height: 18px;
}

.btn.small .arrow i {
  font-size: 12px;
}

.btn.small .arrow::before {
  width: 18px;
  height: 18px;
}

.btn.small:hover .text {
  color: #fff !important;
}

/* 动画 */
.goScale {
  -moz-animation-name: goScale;
  -ms-animation-name: goScale;
  -webkit-animation-name: goScale;
  animation-name: goScale;
}
@keyframes goScale {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.4);
    -ms-transform: scale(0.4);
    -moz-transform: scale(0.4);
    transform: scale(0.2);
  }
  to {
    opacity: 1;
    -webkit-transform: scale(1);
    -ms-transform: scale(1);
    -moz-transform: scale(1);
    transform: scale(1);
  }
}
.goLeft {
  -ms-animation-name: goLeft;
  -moz-animation-name: goLeft;
  -webkit-animation-name: goLeft;
  animation-name: goLeft;
}
@keyframes goLeft {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(-30px, 0, 0);
    -ms-transform: translate3d(-30px, 0, 0);
    -moz-transform: translate3d(-30px, 0, 0);
    transform: translate3d(-30px, 0, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -moz-transform: translateZ(0);
    transform: translateZ(0);
  }
}
.goRight {
  -webkit-animation-name: goRight;
  -ms-animation-name: goRight;
  -moz-animation-name: goRight;
  animation-name: goRight;
}
@keyframes goRight {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(30px, 0, 0);
    -ms-transform: translate3d(30px, 0, 0);
    -moz-transform: translate3d(30px, 0, 0);
    transform: translate3d(30px, 0, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -moz-transform: translateZ(0);
    transform: translateZ(0);
  }
}
.goUp {
  -webkit-animation-name: goUp;
  -ms-animation-name: goUp;
  -moz-animation-name: goUp;
  animation-name: goUp;
}
@keyframes goUp {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(0, 30px, 0);
    -ms-transform: translate3d(0, 30px, 0);
    -moz-transform: translate3d(0, 30px, 0);
    transform: translate3d(0, 30px, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -moz-transform: translateZ(0);
    transform: translateZ(0);
  }
}
.goDown {
  -webkit-animation-name: goDown;
  -ms-animation-name: goDown;
  -moz-animation-name: goDown;
  animation-name: goDown;
}
@keyframes goDown {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(0, -30px, 0);
    -ms-transform: translate3d(0, -30px, 0);
    -moz-transform: translate3d(0, -30px, 0);
    transform: translate3d(0, -30px, 0);
  }
  to {
    opacity: 1;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    -moz-transform: translateZ(0);
    transform: translateZ(0);
  }
}
.animated {
  -webkit-animation-duration: 1s;
  -ms-animation-duration: 1s;
  -moz-animation-duration: 1s;
  animation-duration: 1s;
  -webkit-animation-fill-mode: both;
  -ms-animation-fill-mode: both;
  -moz-animation-fill-mode: both;
  animation-fill-mode: both;
}
.animated.infinite {
  -webkit-animation-iteration-count: infinite;
  -ms-animation-iteration-count: infinite;
  -moz-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}
.animated.delay-1s {
  -webkit-animation-delay: 1s;
  -ms-animation-delay: 1s;
  -moz-animation-delay: 1s;
  animation-delay: 1s;
}
.animated.delay-2s {
  -webkit-animation-delay: 2s;
  -ms-animation-delay: 2s;
  -moz-animation-delay: 2s;
  animation-delay: 2s;
}
.animated.delay-3s {
  -webkit-animation-delay: 3s;
  -ms-animation-delay: 3s;
  -moz-animation-delay: 3s;
  animation-delay: 3s;
}
.animated.delay-4s {
  -webkit-animation-delay: 4s;
  animation-delay: 4s;
}
.animated.delay-5s {
  -webkit-animation-delay: 5s;
  -ms-animation-delay: 5s;
  -moz-animation-delay: 5s;
  animation-delay: 5s;
}
.animated.fast {
  -webkit-animation-duration: 0.8s;
  -ms-animation-duration: 0.8s;
  -moz-animation-duration: 0.8s;
  animation-duration: 0.8s;
}
.animated.faster {
  -webkit-animation-duration: 0.5s;
  -ms-animation-duration: 0.5s;
  -moz-animation-duration: 0.5s;
  animation-duration: 0.5s;
}
.animated.slow {
  -webkit-animation-duration: 2s;
  -ms-animation-duration: 2s;
  -moz-animation-duration: 2s;
  animation-duration: 2s;
}
.animated.slower {
  -webkit-animation-duration: 3s;
  -ms-animation-duration: 3s;
  -moz-animation-duration: 3s;
  animation-duration: 3s;
}
@media (prefers-reduced-motion: reduce), (print) {
  .animated {
    -webkit-animation-duration: 1ms !important;
    -ms-animation-duration: 1ms !important;
    -moz-animation-duration: 1ms !important;
    animation-duration: 1ms !important;
    -webkit-transition-duration: 1ms !important;
    -ms-transition-duration: 1ms !important;
    -moz-transition-duration: 1ms !important;
    transition-duration: 1ms !important;
    -webkit-animation-iteration-count: 1 !important;
    -ms-animation-iteration-count: 1 !important;
    -moz-animation-iteration-count: 1 !important;
    animation-iteration-count: 1 !important;
  }
} /***编程使我快乐**/
.an-animate .an-animate-item:nth-child(1) {
  animation-delay: 0.1s;
  -webkit-animation-delay: 0.1s;
  -ms-animation-delay: 0.1s;
  -moz-animation-delay: 0.1s;
}
.an-animate .an-animate-item:nth-child(2) {
  animation-delay: 0.2s;
  -webkit-animation-delay: 0.2s;
  -ms-animation-delay: 0.2s;
  -moz-animation-delay: 0.2s;
}
.an-animate .an-animate-item:nth-child(3) {
  animation-delay: 0.3s;
  -webkit-animation-delay: 0.3s;
  -ms-animation-delay: 0.3s;
  -moz-animation-delay: 0.3s;
}
.an-animate .an-animate-item:nth-child(4) {
  animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
  -ms-animation-delay: 0.4s;
  -moz-animation-delay: 0.4s;
}
.an-animate .an-animate-item:nth-child(5) {
  animation-delay: 0.5s;
  -webkit-animation-delay: 0.5s;
  -ms-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
}
.an-animate .an-animate-item:nth-child(6) {
  animation-delay: 0.6s;
  -webkit-animation-delay: 0.6s;
  -ms-animation-delay: 0.6s;
  -moz-animation-delay: 0.6s;
}
.an-animate .an-animate-item:nth-child(7) {
  animation-delay: 0.7s;
  -webkit-animation-delay: 0.7s;
  -ms-animation-delay: 0.7s;
  -moz-animation-delay: 0.7s;
}
.an-animate .an-animate-item:nth-child(8) {
  animation-delay: 0.8s;
  -webkit-animation-delay: 0.8s;
  -ms-animation-delay: 0.8s;
  -moz-animation-delay: 0.8s;
}
.an-animate .an-animate-item:nth-child(9) {
  animation-delay: 0.9s;
  -webkit-animation-delay: 0.9s;
  -ms-animation-delay: 0.9s;
  -moz-animation-delay: 0.9s;
}
.an-animate .an-animate-item:nth-child(10) {
  animation-delay: 1s;
  -webkit-animation-delay: 1s;
  -ms-animation-delay: 1s;
  -moz-animation-delay: 1s;
}
.an-animate .an-animate-item:nth-child(11) {
  animation-delay: 1.1s;
  -webkit-animation-delay: 1.1s;
  -ms-animation-delay: 1.1s;
  -moz-animation-delay: 1.1s;
}
.an-animate .an-animate-item:nth-child(12) {
  animation-delay: 1.2s;
  -webkit-animation-delay: 1.2s;
  -ms-animation-delay: 1.2s;
  -moz-animation-delay: 1.2s;
}
.an-animate .an-animate-item:nth-child(13) {
  animation-delay: 1.3s;
  -webkit-animation-delay: 1.3s;
  -ms-animation-delay: 1.3s;
  -moz-animation-delay: 1.3s;
}
.an-animate .an-animate-item:nth-child(14) {
  animation-delay: 1.4s;
  -webkit-animation-delay: 1.4s;
  -ms-animation-delay: 1.4s;
  -moz-animation-delay: 1.3s;
}
.an-animate .an-animate-item:nth-child(15) {
  animation-delay: 1.5s;
  -webkit-animation-delay: 1.5s;
  -ms-animation-delay: 1.5s;
  -moz-animation-delay: 1.5s;
}
.an-animate .an-animate-item:nth-child(16) {
  animation-delay: 1.6s;
  -webkit-animation-delay: 1.6s;
  -ms-animation-delay: 1.6s;
  -moz-animation-delay: 1.6s;
}