.w1280 {
  width: 1280px;
  margin: 0 auto;
}

.banner {

height: 500px;
  overflow: hidden;
}

.ai_tool .btn {
  background: #ffffff;
  font-size: 16px;
  border: 1px solid #78beff;
  padding: 4px 14px 4px 14px;

  color: #0175FF;

  border-radius: 20px;
}


.div4 {
  color: #68798c;


  font-size: 14px;

}

.ai_tool {
  padding: 34px 16px;
  background: #eff8ff;
  border-radius: 16px;
  width: 236px;
  height: 347px;
  text-align: center;
  box-sizing: border-box;
  cursor: pointer;
}

.ai_tool_tit {
  color: #000000;
  font-weight: 600;
  margin-bottom: 50px;
  font-size: 20px;


}

.ai_tool .img {
  width: 90px;
  height: 90px;
  border-radius: 50px;
  margin: 0 auto;

}



.top {

  background: linear-gradient(180deg, #D7F3FF 0%, #F1F6FF 100%);
  height: 1313px;

}


.ai_znt {
  background: #ffffff;
  border-radius: 20px;
  width: 1280px;
  height: 519px;

  box-shadow: 0px 0px 50px 0px rgba(0, 89, 255, 0.11);

}

.tab_item {
  display: flex;
  align-items: center;
  padding-left: 20px;
  position: relative;
  border-radius: 16px 0px 0px 16px;
  width: 220px;
  height: 70px;
  color: #4B6380;
  margin-left: 20px;
  cursor: pointer;
}

.tab_item.on {
  position: relative;
  color: #015AFF;
  border-radius: 16px 0px 0px 16px;
  background: #FFF;
  width: 220px;
  height: 70px;
}

.tab_item.on::after {
  content: "";
  position: absolute;
  left: 10px;
  bottom: 0;
  width: 210px;
  height: 2px;
  background: linear-gradient(90deg, #015AFF 0%, #FFF 100%);
}

.ai_znt_text {


  font-size: 20px;
  line-height: 175.5%;
  font-weight: 600;
  position: absolute;
  left: 64px;
  top: 18px;
}

.tab_item::after {

  background: linear-gradient(90deg,
      rgba(1, 90, 255, 1) 0%,
      rgba(255, 255, 255, 1) 100%);
  width: 220px;
  height: 2px;
  position: absolute;

  left: 0px;
  top: 68px;
}







.tab {
  background: linear-gradient(180deg, rgba(237, 245, 255, 1) 0%, rgba(210, 230, 255, 1) 100%);
  width: 240px;
  height: 519px;
}

.list_li {
  position: relative;


  border-radius: 12px;
  padding: 8px 16px;
  width: 307px;
  height: 156px;
  margin-right: 10px;
  margin-bottom: 70px;
  background: url(../images/indexnew/bg.png)  no-repeat;
background-size: 100%;
  box-sizing: border-box;

}

.list_li:nth-of-type(3n) {
  margin-right: 0px;
}

.mgb5 {
  margin-bottom: 5px;
}

.bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 107px;
  height: 156px;
  border-radius: 12px;
  background: url(../images/indexnew/frame-13213162920.svg);
}

.fw700 {
  font-weight: 700;
}

.dis_flex_b {
  display: flex;
  justify-content: space-between;
}

.dis_flex_e {
  display: flex;
  justify-content: space-evenly;
}

.user {

  border-radius: 50px;
  width: 20px;
  height: 20px;

}

.c3370FF{
  color: #3370FF;
}
.ai5 {
  background: linear-gradient(136.15deg,
      rgba(253, 178, 5, 1) 0%,
      rgba(253, 154, 5, 1) 100%);
  border-radius: 16px;
  width: 64px;
  height: 64px;
  position: absolute;

  left: 18px;

  top: -12px;

}




.look_gd {
  display: inline-block;
  border-radius: 30px;
  border-style: solid;
  border-color: #a6b2ff;
  border-width: 1px;
  width: 140px;
  height: 42px;
  color: #152dc9;
  cursor: pointer;
  font-size: 16px;
  line-height: 42px;
  ;
}

.mgb80 {
  margin-bottom: 80px;
}

.ai_course {
  background: linear-gradient(180deg,
      rgba(255, 255, 255, 1) 0%,
      rgba(241, 247, 255, 1) 100%);
  border-radius: 12px;
  width: 1280px;
  height: 365px;

  box-shadow: 0px 10px 80px 0px rgba(128, 163, 208, 0.11);

}


.ai_tab {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 214px;
  height: 88px;
  cursor: pointer;
}

.ai_tab_text {
  color: #0007ce;
  text-align: left;
  font-family: "PingFangSc-Regular", sans-serif;
  font-size: 24px;
  font-weight: 400;

}

.bg_img {
  background: url(../images/indexnew/rectangle-346281140.svg) no-repeat;
  background-size: 100%;

}



.ai_course_li {
  background: #ffffff;
  border-radius: 12px;
  padding: 16px;
  width: 295px;
  height: 225px;
  box-sizing: border-box;
  cursor: pointer;
}

.ai8 {
  color: #000000;
  line-height: 40px;
  font-size: 16px;
  font-weight: 400;

}

.c7887a4 {
  color: #7887a4;


}

.case_bottom {


margin-top: 20px;
  font-size: 20px;
line-height: 26px;

}



.good_case_tit {



  font-size: 24px;
  font-weight: 600;


}

.case_btn {

  width: 60px;
  height: 60px;
  margin-top: -26px;
  cursor: pointer;
}

.good_case {
 
  text-align: center;
  color: #fff;
  font-weight: 600;
  border-radius: 16px;
  padding: 20px;
  width: 295px;
  height: 417px;
  box-sizing: border-box;
  cursor: pointer;

  background: 
    url(../images/indexnew/bg2.png) no-repeat bottom / 100%,
    linear-gradient(180deg, rgba(69, 134, 255, 1) 0%, rgba(142, 182, 255, 1) 100%);

}

.case_image {
  border-radius: 50px;
  width: 91px;
  height: 91px;

  object-fit: cover;
}



.trapezoid_tit {
  background: linear-gradient(90deg, rgb(45, 0, 64) 10%, rgb(1, 109, 240) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
padding-top: 5px;
  text-align: center;
  font-family: "DingTalkJinBuTi-Regular", sans-serif;
  font-size: 28px;
  font-weight: 600;
  height: 40px;
  font-style: italic;

}

.mgt12 {
  margin-top: 12px;
}

.trapezoid1,
.trapezoid2 {
  width: 362px;
  /* 椤堕儴瀹藉害 */
  height: 0px;
  /* 楂樺害 */
  border-bottom: 155px solid #edf9ff;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  text-align: center;
  border-radius: 10px;
  cursor: pointer;
}

.trapezoid1:hover,
.trapezoid2:hover {
  border-bottom: 155px solid #fff;
}

.trapezoid2 {
  transform: rotate(180deg);
}

.trapezoid2 img,
.trapezoid2 .trapezoid_tit {
  transform: rotate(-180deg);
}




.case_h1 {
  font-size: 16px;
  margin: 0;
  margin-top: 15px;
}

.active {
  width: 595px;
  text-align: left;
  background: linear-gradient(106.84deg, rgba(239, 244, 248, 1) 0%, rgba(250, 253, 255, 1) 100%);
  transition: all 0.25s linear;
  color: #000;
  padding: 57px;
}

.active .case_image {
  float: none;
  width: 56px;
height: 56px;
}

.active .case_tit{
  margin-top: 90px;
  padding: 30px 0 0 0;
}
.case_tit{
  margin: 30px 0 0px;
  font-weight: 600;
  height: 32px;
  font-size: 40px;
  background: linear-gradient(91deg, #1B2538 -3.98%, #9B44D4 30.23%);
background-clip: text;
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.active .case_h1 {
  font-size: 24px;
  margin-left: 20px;
}
.active .case_bottom {
  color: #2b4473;
margin-top: 0;
  line-height: 40px;
  font-size: 17.3125px;
  font-weight: 400;

}
.active .good_case_tit {
  display: flex;

}

.bgf9fbff {
  background: #f9fbff;
}
.sq_details{
  display: inline-block;
  color: #107CFB;
  padding: 7px 12px 7px 12px;
font-size: 14px;
border-radius: 19px;
background: #EDF3FF;
}

.zcfg{
  
  padding: 24px;
  border-radius: 10px;
background: linear-gradient(181deg, #FFF 0.62%, #F6FAFF 89.36%);
}
.c107CFB{
  color: #107CFB;
}
.zcfg_left{
  display: flex;
    justify-content: space-evenly;
    flex-direction: column;
  width: 129px;
height: 98px;
border-radius: 12px;
background: #E5F2FE;

}
.zcfg_center {
  width: 921px;
  margin-left: 24px;
}
.f32{
  font-size: 32px;
}
.zcfg li{
  cursor: pointer;
  padding-bottom: 20px;
  border-bottom: 1px solid #E1E8F5;
}
.zcfg li:hover h5{
  background: linear-gradient(90deg, #005EFF 0%, #b8e6f1 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lh32{
  line-height: 32px;
}
.c_p{
  cursor: pointer;
}
.one_ellipsis {
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}
.two_ellipsis {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
}
.hover_animate {
  transition: all 0.3s linear;
}

.hover_animate:hover {
  transform: translateY(-10px);
}
.ai_tool2{
  padding: 25px 0;
  width: 150px;
height: 208px;
box-shadow: 0 10px 20px 0 rgba(82, 121, 158, 0.02);
}
.ai_tool2 .ai_tool_tit{
  font-size: 16px;
}
.ai_tool2 .btn{
      display: inline-block;
  font-size: 14px;
  margin: 16px 0 5px;
}
.ai_tool2 .img{
  width: 72px;
height: 72px;

}
/* 8.14 */
.ai_teaching{
    height: 196px;
    width: 406px;
    padding: 0;
    margin-bottom: 30px;
}
.dis_flex_s{
  display: flex;
flex-wrap: wrap;
}
.dis_flex_s .ai_teaching{
  margin-right: 30px;
}
.dis_flex_s .ai_teaching:nth-child(3n){
  margin-right: 0;
}
/* 8.14 */