@charset "utf-8";
/* CSS Document */
body {
  font-family: "MicroSoft YaHei", Arial, sans-serif, "微软雅黑", "宋体", "SimSuni";
  overflow-x: hidden;
  color: #000;
  background: #ffffff;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
select,
textarea,
th,
td {
  margin: 0;
  padding: 0;
}
img {
  display: block;
  border: none;
  max-width: 100%;
}
a {
  color: #0d0d0d;
  text-decoration: none;
}
input {
  border: none;
  background: none;
  outline: none;
  -webkit-appearance: none;
}
textarea,
select {
  outline: none;
  resize: none;
}
input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0px 1000px white inset;
}
img,
input,
select {
  vertical-align: top;
}
ul,
li {
  list-style: none;
}
.bg_f4f4f4 {
  background-color: #f4f4f4;
}
.container {
  box-sizing: border-box;
  position: relative;
  width: 1200px;
  margin: 0 auto;
}
.container.overflow {
  overflow: hidden;
}
.title_h3 {
  text-align: center;
  padding-top: 80px;
}
.title_h3 span {
  position: relative;
  font-size: 52px;
  color: #333;
}
.title_h3 span b {
  color: #e72e15;
}
.title_h3 span i,
.title_h3 span s {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  width: 138px;
  height: 14px;
  background: linear-gradient(90deg, #fff, #ff8968, #fe5230);
  opacity: 0.7;
}
.title_h3 span i::after,
.title_h3 span s::after {
  content: "";
  position: absolute;
  right: -5px;
  top: -5px;
  width: 25px;
  height: 25px;
  background: linear-gradient(20deg, #ff8968 0%, #fe5230 30%);
  transform: rotate(45deg);
}
.title_h3 span i {
  left: -160px;
  animation: left_ani 3s linear infinite;
}
.title_h3 span s {
  right: -160px;
  background: linear-gradient(270deg, #fff, #ff8968, #fe5230 30%);
  animation: right_ani 3s linear infinite;
}
.title_h3 span s::after {
  left: -5px;
  right: initial;
}
@keyframes left_ani {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50px);
    opacity: 0.3;
  }
  100% {
    transform: translateX(0px);
    opacity: 1;
  }
}
@keyframes right_ani {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  50% {
    transform: translateX(50px);
    opacity: 0.3;
  }
  100% {
    transform: translateX(0px);
    opacity: 1;
  }
}
.title_p {
  text-align: center;
  font-size: 24px;
  color: #333;
  line-height: 24px;
  margin: 15px 0 20px;
}
.title_span {
  display: block;
  text-align: center;
  font-size: 22px;
  color: #fff;
  line-height: 50px;
  width: 390px;
  height: 50px;
  background: linear-gradient(#ff5847, #f1513b);
  border-radius: 25px;
  margin: 0 auto;
}
.header_top {
  background: url(../images/top.jpg) no-repeat center center;
  height: 300px;
  overflow: hidden;
}
.header_top .header_top_content {
  display: flex;
  justify-content: space-between;
  padding-right: 15px;
}
.header_top .header_top_content .top_k {
  margin-top: 80px;
  background: url(../images/top_1.png) no-repeat center center;
  width: 386px;
  height: 214px;
  z-index: 2;
  position: relative;
}
.header_top .header_top_content .top_k h3 {
  font-size: 32px;
  line-height: 32px;
  color: #fff;
  text-align: center;
  font-weight: bold;
  padding-top: 18px;
  margin-bottom: 40px;
}
.header_top .header_top_content .top_k p {
  font-size: 21px;
  line-height: 36px;
  color: #4b818a;
  text-shadow: 0 6px 3px rgba(75, 168, 253, 0.35);
  text-align: center;
  font-weight: bold;
}
.header_top .header_top_content .top_z {
  background: url(../images/top_3.png) no-repeat center center;
  background-size: contain;
  width: 467px;
  height: 288px;
  position: absolute;
  left: 0;
  right: 0;
  top: 18px;
  margin: 0 auto;
}
.header_top .header_top_content .top_z a {
  background: url(../images/top_2.png) no-repeat center center;
  background-size: contain;
  width: 194px;
  height: 54px;
  position: absolute;
  left: 96px;
  bottom: 40px;
  font-size: 22px;
  color: #fff;
  text-align: center;
  line-height: 54px;
  font-weight: bold;
  letter-spacing: 4px;
  transition: 0.2s;
}
.header_top .header_top_content .top_z a:hover {
  opacity: 0.8;
}
.header_nav {
  background-color: #f5f5f5;
}
.header_nav .header_nav_content {
  display: flex;
  align-items: center;
  height: 74px;
}
.header_nav .header_nav_content .logo {
  width: 207px;
  height: 27px;
}
.header_nav .header_nav_content ul {
  display: flex;
  margin-left: 50px;
}
.header_nav .header_nav_content ul li {
  padding: 0 25px;
  border-right: 1px solid #333;
}
.header_nav .header_nav_content ul li:last-child {
  border-right: none;
}
.header_nav .header_nav_content ul a {
  font-size: 18px;
  line-height: 22px;
  color: #333;
  letter-spacing: 2px;
  transition: 0.2s;
}
.header_nav .header_nav_content ul a:hover {
  color: #f51212;
}
.slogan {
  background: url(../images/bg_1.png) no-repeat center;
}
.slogan h5 {
  font-size: 26px;
  color: #fff;
  line-height: 90px;
  text-align: center;
  letter-spacing: 1px;
}
.teacher_wrap {
  padding: 60px 0 50px;
}
.teacher_wrap .teacher_content {
  height: 450px;
  border-radius: 18px;
  background-color: #fff;
}
.teacher_wrap .teacher_content::after {
  content: "";
  background: url(../images/huatu.png) no-repeat center center;
  width: 582px;
  height: 91px;
  position: absolute;
  right: 0;
  top: -15px;
}
.teacher_wrap .js_dt {
  position: absolute;
  bottom: 0;
  left: 20px;
  width: 300px;
}
.teacher_wrap .js_zl {
  position: relative;
  z-index: 2;
  left: 355px;
  top: 60px;
  width: 760px;
}
.teacher_wrap .js_zl h6 {
  display: flex;
  font-size: 32px;
  color: #333;
  font-weight: bold;
  line-height: 40px;
}
.teacher_wrap .js_zl h6 strong {
  width: 135px;
  height: 40px;
  background: linear-gradient(#ff5847, #f1513b);
  font-size: 18px;
  color: #fff;
  line-height: 40px;
  border-radius: 20px;
  text-align: center;
  margin-left: 20px;
}
.teacher_wrap .js_zl p {
  font-size: 18px;
  color: #333;
  line-height: 26px;
  margin-top: 30px;
  max-height: 130px;
  overflow-y: auto;
}
.teacher_wrap .teacher_list {
  position: absolute;
  left: 340px;
  bottom: 27px;
  z-index: 2;
  width: 785px;
  height: 148px;
  background: linear-gradient(#ffeded, #fff);
  border-radius: 74px;
  box-sizing: border-box;
  padding: 24px 55px 0;
}
.teacher_wrap .teacher_list .swiper-button-prev,
.teacher_wrap .teacher_list .swiper-button-next {
  position: absolute;
  width: 15px;
  height: 15px;
  top: 90px;
}
.teacher_wrap .teacher_list .swiper-button-prev {
  background: url(../images/j_l.png) no-repeat center center;
  background-size: contain;
  left: 30px;
}
.teacher_wrap .teacher_list .swiper-button-next {
  background: url(../images/j_r.png) no-repeat center center;
  background-size: contain;
  right: 30px;
}
.st_wrap {
  padding-bottom: 60px;
}
.course_list {
  display: flex;
  justify-content: space-between;
  margin: 40px 0;
}
.course_list li {
  width: 158px;
  height: 88px;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-content: center;
  flex-wrap: wrap;
}
.course_list li h6 {
  text-align: center;
  font-size: 26px;
  color: #fff;
  width: 100%;
  margin-bottom: 10px;
}
.course_list li span {
  width: 82px;
  height: 24px;
  border-radius: 5px;
  background-color: #fff;
  font-size: 15px;
  line-height: 24px;
  color: #333;
  text-align: center;
  cursor: pointer;
  transition: 0.2s;
}
.course_list li span:hover {
  opacity: 0.8;
}
.course_list li:nth-child(1) {
  background: url(../images/01.png) no-repeat top center;
}
.course_list li:nth-child(2) {
  background: url(../images/02.png) no-repeat top center;
}
.course_list li:nth-child(3) {
  background: url(../images/03.png) no-repeat top center;
}
.course_list li:nth-child(4) {
  background: url(../images/04.png) no-repeat top center;
}
.course_list li:nth-child(5) {
  background: url(../images/05.png) no-repeat top center;
}
.course_list li:nth-child(6) {
  background: url(../images/06.png) no-repeat top center;
}
.course_list li:nth-child(7) {
  background: url(../images/07.png) no-repeat top center;
}
.video_wrap {
  width: 100%;
  height: 290px;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  position: relative;
  padding: 0 30px;
  box-sizing: border-box;
}
.video_wrap i {
  position: absolute;
  top: -8px;
  left: 50px;
  width: 20px;
  height: 20px;
  background: #f4f4f4;
  transform: rotate(45deg);
}
.video_wrap video {
  width: 360px;
  height: 210px;
  border-radius: 18px;
  background-color: #333;
  margin-right: 20px;
}
.code_img {
  display: flex;
  align-items: center;
  padding-bottom: 70px;
  margin-top: 55px;
  box-sizing: border-box;
  padding-left: 65px;
}
.code_img p {
  width: 242px;
  height: 242px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  margin-right: 30px;
}
.footer_img {
  display: flex;
  justify-content: space-between;
  height: 580px;
  margin-top: 50px;
  padding-bottom: 190px;
}
.footer_img div {
  display: flex;
  align-content: space-between;
  flex-wrap: wrap;
  width: 393px;
}
.footer_img div.w_1 {
  width: 373px;
}
.footer_fixed {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: url(../images/f_bg.png) no-repeat center center;
  background-size: contain;
  height: 160px;
  box-sizing: border-box;
  padding-top: 70px;
}
.footer_fixed .container {
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer_fixed .container img {
  height: 49px;
  margin-right: 50px;
}
.footer_fixed .container div {
  position: relative;
}
.footer_fixed .container div p {
  width: 310px;
  height: 44px;
  background: linear-gradient(#63b9a6, #46a79d);
  color: #fff;
  font-size: 26px;
  line-height: 44px;
  text-indent: 32px;
  border-radius: 15px;
}
.footer_fixed .container div span {
  border-radius: 27px;
  border: 2px solid #fff;
  background: linear-gradient(45deg, #ff952d, #ffb954);
  font-size: 22px;
  color: #fff;
  width: 76px;
  height: 76px;
  position: absolute;
  right: 0;
  top: -16px;
  text-align: center;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  padding: 0 10px;
  letter-spacing: 2px;
  font-weight: bold;
}
@media only all and (max-width: 1080px) {
  .container {
    width: 96%;
  }
  .title_h3 {
    padding-top: 0;
  }
  .title_h3 span {
    font-size: 0.4333rem;
  }
  .title_h3 span i,
  .title_h3 span s {
    width: 1.15rem;
    height: 0.1167rem;
  }
  .title_h3 span i::after,
  .title_h3 span s::after {
    right: -0.0417rem;
    top: -0.0417rem;
    width: 0.2083rem;
    height: 0.2083rem;
  }
  .title_h3 span i {
    left: -1.3333rem;
    animation: left_ani 3s linear infinite;
  }
  .title_h3 span s {
    right: -1.3333rem;
    background: linear-gradient(270deg, #fff, #ff8968, #fe5230 30%);
    animation: right_ani 3s linear infinite;
  }
  .title_h3 span s::after {
    left: -0.0417rem;
    right: initial;
  }
  @keyframes left_ani {
    0% {
      transform: translateX(0);
      opacity: 1;
    }
    50% {
      transform: translateX(-0.4167rem);
      opacity: 0.3;
    }
    100% {
      transform: translateX(0px);
      opacity: 1;
    }
  }
  @keyframes right_ani {
    0% {
      transform: translateX(0);
      opacity: 1;
    }
    50% {
      transform: translateX(0.4167rem);
      opacity: 0.3;
    }
    100% {
      transform: translateX(0px);
      opacity: 1;
    }
  }
  .title_p {
    font-size: 0.24rem;
    line-height: 0.24rem;
    margin: 0.3rem 0 0.1667rem;
  }
  .title_span {
    font-size: 0.22rem;
    line-height: 0.4167rem;
    width: 3.8rem;
    height: 0.4167rem;
    border-radius: 0.2083rem;
  }
  .header_top {
    height: 2.4rem;
    position: relative;
  }
  .header_top::after {
    content: '';
    background: url(../images/logo.png) no-repeat center;
    background-size: contain;
    position: absolute;
    top: 0.05rem;
    left: 0.1rem;
    width: 1.2rem;
    height: 1rem;
  }
  .header_top .header_top_content {
    padding-right: 0;
  }
  .header_top .header_top_content .top_k {
    margin-top: 0.6667rem;
    background: url(../images/top_1.png) no-repeat center center;
    background-size: contain;
    width: 2.6rem;
    height: 1.7833rem;
  }
  .header_top .header_top_content .top_k h3 {
    font-size: 0.24rem;
    line-height: 0.2667rem;
    padding-top: 0.3rem;
    margin-bottom: 0.1rem;
  }
  .header_top .header_top_content .top_k p {
    font-size: 0.16rem;
    line-height: 0.3rem;
    text-shadow: 0 0.05rem 0.025rem rgba(75, 168, 253, 0.35);
  }
  .header_top .header_top_content .top_z {
    width: 3.5rem;
    height: 2.4rem;
    top: -0.3rem;
  }
  .header_top .header_top_content .top_z a {
    width: 1.6167rem;
    height: 0.45rem;
    left: 0.8rem;
    bottom: 0.3333rem;
    font-size: 0.1833rem;
    line-height: 0.45rem;
    letter-spacing: 0.0333rem;
  }
  .header_nav .header_nav_content {
    height: 0.8rem;
  }
  .header_nav .header_nav_content .logo {
    width: 1rem;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
  }
  .header_nav .header_nav_content ul {
    display: flex;
    margin-left: 0;
  }
  .header_nav .header_nav_content ul li {
    padding: 0 0.0833rem;
  }
  .header_nav .header_nav_content ul a {
    font-size: 0.2rem;
    line-height: 0.24rem;
    letter-spacing: 0.0167rem;
    display: block;
  }
  .slogan h5 {
    font-size: 0.2167rem;
    line-height: 0.375rem;
    padding: 0.3rem;
  }
  .teacher_wrap {
    padding: 0.3rem 0 0.2rem;
  }
  .teacher_wrap .teacher_content {
    height: 3.75rem;
    border-radius: 0.15rem;
  }
  .teacher_wrap .teacher_content::after {
    background: url(../images/huatu.png) no-repeat center center;
    background-size: contain;
    width: 4.85rem;
    height: 0.7583rem;
    top: -0.125rem;
  }
  .teacher_wrap .js_dt {
    left: 0.1667rem;
    width: 2.5rem;
  }
  .teacher_wrap .js_zl {
    left: 2.9583rem;
    top: 0.3rem;
    width: 4rem;
  }
  .teacher_wrap .js_zl h6 {
    font-size: 0.2667rem;
    line-height: 0.3333rem;
  }
  .teacher_wrap .js_zl h6 strong {
    width: 1.125rem;
    height: 0.3333rem;
    font-size: 0.15rem;
    line-height: 0.3333rem;
    border-radius: 0.1667rem;
    margin-left: 0.1667rem;
  }
  .teacher_wrap .js_zl p {
    font-size: 0.15rem;
    line-height: 0.2167rem;
    margin-top: 0.25rem;
    max-height: 1.4rem;
  }
  .teacher_wrap .teacher_list {
    left: 2.8333rem;
    bottom: 0.225rem;
    width: 4rem;
    height: 1.2333rem;
    border-radius: 0.6167rem;
    padding: 0.2rem 0.3rem 0;
  }
  .teacher_wrap .teacher_list .swiper-slide img {
    width: 1rem;
    height: 1rem;
  }
  .teacher_wrap .teacher_list .swiper-button-prev,
  .teacher_wrap .teacher_list .swiper-button-next {
    position: absolute;
    width: 0.125rem;
    height: 0.125rem;
    top: 1rem;
  }
  .teacher_wrap .teacher_list .swiper-button-prev {
    left: 0.1rem;
  }
  .teacher_wrap .teacher_list .swiper-button-next {
    right: 0.1rem;
  }
  .st_wrap {
    padding-bottom: 0.5rem;
  }
  .course_list {
    margin: 0.3333rem 0;
    flex-wrap: wrap;
  }
  .course_list li {
    width: 32%;
    height: 1.2rem;
    border-radius: 10px;
    margin-bottom: 0.3333rem;
  }
  .course_list li h6 {
    font-size: 0.3rem;
    margin-bottom: 0.1rem;
  }
  .course_list li span {
    width: 1.5rem;
    height: 0.4rem;
    border-radius: 0.0417rem;
    font-size: 0.24rem;
    line-height: 0.4rem;
  }
  .video_wrap {
    height: auto;
    border-radius: 0.15rem;
    padding: 0.25rem;
    margin-top: -0.3rem;
    flex-wrap: wrap;
  }
  .video_wrap i {
    position: absolute;
    top: -0.0667rem;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 0.3rem;
    height: 0.3rem;
  }
  .video_wrap video {
    width: 48%;
    height: 2rem;
    border-radius: 0.15rem;
    margin-bottom: 0.2rem;
    margin-right: auto;
  }
  .code_img {
    padding-bottom: 0.3rem;
    margin-top: 0.2rem;
    padding-left: 0;
    justify-content: space-between;
  }
  .code_img p {
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 0.15rem;
    margin: 0;
  }
  .code_img p img {
    width: 1.5rem;
    height: 1.5rem;
  }
  .code_img .code_3 {
    height: 1.6rem;
  }
  .footer_img {
    height: auto;
    margin-top: 0.4167rem;
    padding-bottom: 2rem;
  }
  .footer_img div {
    width: 33%;
  }
  .footer_img div.w_1 {
    width: 33%;
  }
  .footer_img div.w_1 img {
    margin-bottom: 0.1rem;
  }
  .footer_img div.w_1 img:last-child {
    margin-bottom: 0;
  }
  .footer_fixed {
    background-size: cover;
    background-position: left center;
    height: 2rem;
    padding-top: 0.8rem;
  }
  .footer_fixed .container {
    flex-wrap: wrap;
  }
  .footer_fixed .container img {
    height: 0.4167rem;
    margin-right: 0rem;
    margin-bottom: 0.2rem;
  }
  .footer_fixed .container div {
    position: relative;
  }
  .footer_fixed .container div p {
    width: 2.5833rem;
    height: 0.3667rem;
    font-size: 0.2167rem;
    line-height: 0.3667rem;
    text-indent: 0.2667rem;
    border-radius: 0.125rem;
  }
  .footer_fixed .container div span {
    border-radius: 0.225rem;
    border: 0.0167rem solid #fff;
    font-size: 0.1833rem;
    width: 0.6333rem;
    height: 0.6333rem;
    top: -0.1333rem;
    padding: 0 0.0833rem;
    letter-spacing: 0.0167rem;
  }
}