/**
 * bigmode.html PC端样式（统一入口）
 * 整合自原 reset.css / ai2024.css / index.css，仅保留 bigmode.html 中实际使用的样式
 * 公共基础重置（box-sizing / body / ul / a / img 边框 / input:focus 等）由 public.css 提供
 * 顺序：@import 公共样式 → 字体定义 → 补充重置 → banner → part2/part3/part61/part5/part7/part8/part15/part62
 */

@import url("../../css2020/public.css");
/* ============ 补充重置（public.css 未覆盖部分） ============ */
img{
  display: block;  /* public.css 仅去除边框，此处补充 block 显示 */
}
a{
  outline: none;
  color: #333;
}
a:visited{
  text-decoration: none;
}
.clear{ clear: both; }

/* ============ banner_agi ============ */
.banner_agi{
  width: 100%;
  height: 500px;
  background: url('banner1920-500.jpg') no-repeat center;
  background-size: cover;
  padding-top: 416px;
}

/* ============ 通用按钮 edu_button（CTA） ============ */
.edu_button{
  width: 450px;
  height: 50px;
  background: linear-gradient(267deg, #FF8035 0%, #FF6243 100%);
  box-shadow: 0px 13px 7px 0px rgba(50, 71, 195, 0.19);
  border-radius: 25px;
  margin: 0 auto;
  font-family: AliMedium;
  font-weight: 500;
  font-size: 30px;
  color: #FFFFFF;
  line-height: 50px;
  text-align: center;
  cursor: pointer;
  transition: 500ms;
}
.edu_button:hover{
  transform: scale(1.1);
}

/* ============ 通用标题 ============ */
.t_title{
  font-family: AliBold;
  font-weight: bold;
  font-size: 40px;
  color: #000000;
  text-align: center;
  padding-top: 46px;
}
.t_title1{
  font-family: AliRegular;
  font-weight: 400;
  font-size: 18px;
  color: #000000;
  text-align: center;
  margin-top: 25px;
}
.t_title.c_white,.t_title1.c_white{
  color: #ffffff;
}

/* ============ part2 时代机遇 ============ */
.part2{
  width: 100%;
  height: 700px;
  background: #ebf7ff;
  background-size: cover;
}
.part2_box{
  width: 1200px;
  margin: 0 auto;
}
.part2_con{
  display: flex;
  justify-content: space-between;
  margin-top: 38px;
}
.part2_con1{
  width: 400px;
}
.part2_con1 ul{
  margin: 0;
  padding: 0;
  height: 441px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.part2_con1 ul li{
  margin: 0;
  padding: 0;
  width: 400px;
  height: 212px;
  background: url("part2_t2.png") no-repeat;
}
.part2_con1 ul li.on{
  background: url("part2_t1.png") no-repeat;
}
.part2_con1_t{
  width: 336px;
  font-family: AliBold;
  font-weight: bold;
  font-size: 30px;
  color: #000000;
  margin-top: 20px;
  margin-left: 34px;
}
.part2_con1 ul li p{
  width: 347px;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 18px;
  color: #000000;
  line-height: 30px;
  margin-left: 34px;
  margin-top: 17px;
  text-align: justify;
}
.part2_con1 ul li.on .part2_con1_t{
  color: #ffffff;
}
.part2_con1 ul li.on .part2_con1_t span{
  display: block;
}
.part2_con1 ul li.on p{
  color: #ffffff;
}
.part2_con2{
  width: 784px;
  height: 441px;
  background: #FFFFFF;
  border-radius: 15px;
}
.part2_con2_1{
  height: 441px;
  padding: 10px 11px;
  display: none;
  position: relative;
}
.part2_con2_1 span{
  font-family: AliMedium;
  font-weight: 500;
  font-size: 10px;
  color: #767676;
  text-align: right;
  display: block;
  position: absolute;
  right: 14px;
  bottom: 6px;
}
.part2_con2_1.on{
  display: block;
}

/* ============ part3 岗位缺口 ============ */
.part3{
  background: #FFFFFF;
  padding-bottom: 50px;
}
.part3_box{
  width: 1200px;
  margin: 0 auto;
  padding-bottom: 30px;
  text-align: center;
}
.part3_list{
  display: flex;
  justify-content: space-between;
  margin-top: 38px;
}
.part3_list1{
  height: 435px;
  transition: 300ms;
}
.part3_list1 h2{
  margin: 0;
  padding: 0;
  font-family: AliBold;
  font-weight: bold;
  font-size: 24px;
  color: #FFFFFF;
  margin-top: 226px;
  text-align: center;
}
.part3_list1 p{
  margin: 0;
  padding: 0;
  height: 97px;
  font-family: AliRegular;
  font-weight: 1200;
  font-size: 16px;
  color: #FFFFFF;
  line-height: 24px;
  margin-top: 35px;
  padding: 0 14px;
  text-align: justify;
}
.part3_list1 span{
  font-family: AliRegular;
  font-weight: 500;
  font-size: 10px;
  color: #767676;
  text-align: right;
  display: block;
  right: 14px;
  bottom: 6px;
}
.part3_list1:hover{
  margin-top: -20px;
}
.part3_list3{
  margin: 30px 10px 10px 10px;
  width: 1200px;
  height: 74px;
  background: #3d85ff;
  color: #FFFFFF;
  border-radius: 20px;
}
.part3_list3 span{
  font-family: AliRegular;
  font-size: 18px;
  color: #FFFFFF;
  text-align: left;
  display: block;
  left: 14px;
  margin: 10px;
  padding: 10px;
}
.part3_bt{
  margin-top: 21px;
}

/* ============ part61 行业趋势 ============ */
.part61{
  width: 100%;
  height: 700px;
  background: #ebf7ff;
}
.part61_box{
  width: 1200px;
  margin: 0 auto;
}
.part61_list{
  width: 1200px;
  margin-top: 38px;
  padding-top: 1px;
}
.part61_ul{
  width: 1200px;
  margin: 0 auto;
}
.part61_ul ul{
  width: 1200px;
  height: 54px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-content: center;
}
.part61_ul ul li{
  width: 378px;
  height: 54px;
  background: url('part5_li1.png') no-repeat;
  font-family: AliBold;
  font-weight: bold;
  font-size: 18px;
  color: #4F7DF9;
  line-height: 54px;
  text-align: left;
  padding-left: 30px;
  cursor: pointer;
}
.part61_ul ul li.on{
  width: 378px;
  height: 54px;
  background: url('part5_li2.png') no-repeat;
  color: #FFFFFF;
}
.part61_con{
  width: 1200px;
  height: 290px;
  background: url('part5_con.png') no-repeat;
  display: none;
  padding-top: 10px;
}
.part61_con.on{
  display: block;
}
.part61_con1{
  width: 1198px;
  height: 270px;
  margin: 0 auto;
  padding-left: 46px;
}
.part61_con1_1{
  font-family: AliRegular;
  font-weight: 400;
  font-size: 14px;
  color: #000000;
  line-height: 28px;
}
.part61_con1_2{
  display: flex;
  justify-content: left;
}
.part61_con2{
  width: 550px;
}
.part61_con2 h2{
  margin: 0;
  padding: 0;
  font-family: AliMedium;
  font-size: 20px;
  color: #000000;
  line-height: 45px;
}
.part61_con2 p{
  margin: 0;
  padding: 0;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 14px;
  color: #000000;
  line-height: 25px;
}
.part61_content{
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
}
.part61_content1{
  width: 285px;
}
.part61_xa{
  width: 285px;
  height: 255px;
  background: #FFFFFF;
  padding-top: 30px;
  border-radius: 0px 0px 20px 20px;
}
.part61_xa h2{
  margin: 0;
  padding: 0;
  font-family: AliBold;
  font-weight: bold;
  font-size: 24px;
  color: #000;
  line-height: 53px;
  text-align: center;
}
.part61_xa p{
  font-family: AliRegular;
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  line-height: 28px;
  text-align: justify;
  padding: 0 16px;
  margin-top: 15px;
}

/* ============ part5 课程大纲（.ai 容器） ============ */
.ai *{
  box-sizing: border-box;
  font-family: Microsoft YaHei;
}
.ai .innerContent,
.ai .innerMain{
  width: 1300px;
  margin: 0 auto;
  box-sizing: border-box;
}
.ai .aiModule{
  padding: 10px 0 50px;
}
.ai .aiMoudle7{
  background: #E0EEFF;
}
.ai .aiMoudle7 .inner{
  height: auto;
}
.ai .aiMoudle7 .inner .boxlist3_con{
  padding-bottom: 34px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_left{
  padding: 33px 0 0 0;
  width: 322px;
  height: 638px;
  background: #3d85ff;
  border-radius: 15px 0px 0px 15px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_left ul li{
  margin-top: 0;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_left ul li p{
  padding: 11px 0 11px 54px;
  width: 322px;
  border-radius: 0;
  font-weight: bold;
  font-size: 15px;
  line-height: 15px;
  margin-bottom: 4px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_left ul .cur p{
  background-color: #ff6a3f;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_left ul .cur::before{
  content: "";
  display: inline-block;
  top: 56%;
  right: 20px;
  width: 8px;
  height: 8px;
  border-top: 2px solid white;
  border-right: 2px solid white;
  transform: rotate(45deg);
  margin-right: 8px;
  vertical-align: middle;
  background: none;
}
.ai .aiMoudle7 .boxlist3_main{
  margin-bottom: 0;
  width: 1200px;
  height: 638px;
  margin: 0 auto;
  background: #FFF;
  background-size: cover;
  border-radius: 15px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_right{
  position: relative;
  margin-top: 30px;
  padding: 0 0 0 65px;
  width: 910px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_right .con7list h3{
  font-weight: bold;
  width: 780px;
  font-size: 18px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_right .con7list h3 span{
  margin-left: 35px;
  font-size: 16px;
}
.ai .aiMoudle7 .boxlist3_main .boxlist3_right .tips{
  position: absolute;
  bottom: 66px;
  left: 69px;
  font-size: 15px;
  color: #ff367b;
  line-height: 15px;
}

/* boxlist3 通用结构（来自 ai2024.css） */
.boxlist3{
  padding: 130px 0 100px;
  background-color: #f7f7f7;
}
.boxlist3 .boxlist3_con{
  padding: 45px 0;
}
.boxlist3 .boxlist3_main{
  display: flex;
  justify-content: start;
  height: 512px;
  box-sizing: border-box;
  background: #fff;
  margin: 20px 0 10px;
}
.boxlist3 .boxlist3_main .boxlist3_left{
  width: 285px;
  height: 490px;
  background: url(ai2024/six-blue.png) no-repeat;
  background-size: cover;
  color: #fff;
  padding: 22px 14px 0 20px;
}
.boxlist3 .boxlist3_main .boxlist3_left ul{
  margin-top: 7px;
}
.boxlist3 .boxlist3_main .boxlist3_left ul li{
  position: relative;
  margin-top: 6px;
}
.boxlist3 .boxlist3_main .boxlist3_left ul li.cur:before{
  position: absolute;
  right: 8px;
  top: 50%;
  width: 9px;
  height: 14px;
  background: url("/2020gw/images/pythonpic/pic.png") no-repeat -275px 0;
  margin-top: -7px;
  content: "";
}
.boxlist3 .boxlist3_main .boxlist3_left ul li p{
  display: flex;
  width: 260px;
  font-size: 14px;
  color: #fff;
  line-height: 19px;
  box-sizing: border-box;
  border-radius: 8px;
  padding: 7px 0 7px 13px;
  cursor: pointer;
}
.boxlist3 .boxlist3_main .boxlist3_left h2{
  font-size: 20px;
  color: #44a4ff;
  line-height: 50px;
  border-bottom: 1px solid #44a4ff;
}
.boxlist3 .boxlist3_main .boxlist3_left ul li.cur p{
  background-color: #44a4ff;
}
.boxlist3 .boxlist3_main .boxlist3_left ul li p span,
.boxlist3 .boxlist3_main .boxlist3_left ul li em{
  width: 30px;
  height: 19px;
  font-size: 12px;
  color: #fff;
  text-align: center;
  line-height: 19px;
  border-radius: 4px;
  background-color: #00c788;
  margin-right: 3px;
}
.boxlist3 .boxlist3_main .boxlist3_left ul li em{
  font-style: inherit;
}
.boxlist3 .boxlist3_main .boxlist3_right{
  width: 835px;
  box-sizing: border-box;
  padding-left: 38px;
  margin-top: 14px;
  padding: 14px 10px 20px 24px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .con{
  width: 100%;
  display: none;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .con.cur{
  display: block;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .plist{
  height: 410px;
  overflow-y: auto;
  padding-right: 118px;
  margin-top: 26px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .plist::-webkit-scrollbar{
  width: 10px;
  height: 1px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .plist::-webkit-scrollbar-thumb{
  width: 10px;
  border-radius: 10px;
  background: #569eff;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .plist::-webkit-scrollbar-track{
  width: 10px;
  height: 1px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list h3{
  position: relative;
  height: 30px;
  line-height: 30px;
  font-size: 26px;
  color: #1a5bff;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list h3 span{
  font-size: 15px;
  color: #999;
  border: none;
  font-weight: normal;
  margin-left: 24px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list h3 span.h2span2{
  margin-right: 46px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list h4{
  font-size: 20px;
  line-height: 30px;
  padding-top: 10px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .xm_p3{
  font-size: 14px;
  color: #61656e;
  line-height: 22px;
  padding-top: 10px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .conh4{
  font-size: 16px;
  color: #333;
  line-height: 24px;
  margin: 0 0 10px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .conh4 i,
.boxlist3 .boxlist3_main .boxlist3_right .con7list .conh4 em,
.boxlist3 .boxlist3_main .boxlist3_right .con7list .conh4 span{
  float: left;
  width: 24px;
  height: 24px;
  background: url("/2020gw/images/pythonpic/pic.png") no-repeat -255px -17px;
  margin-right: 6px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .conh4 em{
  background-position-y: -43px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list .conh4 span{
  background-position-y: -69px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list p.conp{
  font-size: 16px;
  color: #61656e;
  line-height: 26px;
  padding: 0 0 20px 30px;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list p.conp span{
  margin: 0 30px 0 0;
}
.boxlist3 .boxlist3_main .boxlist3_right .con7list p.conp span:last-child{
  margin: 0;
}

/* part6_con 系列样式（bigmode.html 课程内容卡片使用） */
.part6_con{
  width: 1200px;
  height: 400px;
  background: #f0f8ff;
  display: none;
  padding-top: 10px;
  border-radius: 20px;
  border: 1px #000000;
  margin-bottom: 20px;
}
.part6_con.on{
  display: block;
}
.part6_con1{
  width: 1198px;
  height: 380px;
  margin: 0 auto;
  overflow-y: scroll;
  padding-left: 46px;
}
.part6_con1_1{
  font-family: AliRegular;
  font-weight: 400;
  font-size: 14px;
  color: #000000;
  line-height: 28px;
}
.part6_con1_2{
  display: flex;
  justify-content: left;
  width: 800px;
}
.part6_con2{
  width: 400px;
}
.part6_con2 h2{
  margin: 0;
  padding: 0;
  font-family: AliMedium;
  font-size: 18px;
  color: #545454;
  line-height: 45px;
}
.part6_con2 p{
  margin: 0;
  padding: 0;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 16px;
  color: #545454;
  line-height: 25px;
}

/* 滚动条样式 */
div::-webkit-scrollbar{
  width: 5px;
  height: 3px;
  margin-right: 5px;
}
div::-webkit-scrollbar-track{
  width: 8px;
  background: #D3E9FC;
  border-radius: 4px;
  margin-right: 10px;
}
div::-webkit-scrollbar-thumb{
  background: #A8CFFF;
  border-radius: 10px;
}
div::-webkit-scrollbar-thumb:hover{
  background: #A8CFFF;
}
div::-webkit-scrollbar-corner{
  background: #A8CFFF;
}

/* ============ part7 适合岗位 ============ */
.part7{
  background: #FFFFFF;
  padding-bottom: 45px;
}
.part7_box{
  width: 1200px;
  margin: 0 auto;
}
.part7_con{
  height: 393px;
  background: url('part7_bg.png') no-repeat center;
  position: relative;
  margin-top: 35px;
}
.part7_con1{
  width: 256px;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 16px;
  color: #545454;
  line-height: 24px;
  position: absolute;
}
.part7_con2{
  width: 155px;
  font-family: AliBold;
  font-weight: bold;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 30px;
  position: absolute;
  text-align: center;
}
.part7_p1{ top: 81px;  left: 80px;  text-align: right; }
.part7_p2{ top: 250px; left: 82px;  text-align: right; }
.part7_p3{ top: 33px;  right: 87px; }
.part7_p4{ top: 188px; right: 79px; }
.part7_p6{ top: 263px; right: 124px; }
.part7_z1{ top: 63px;  left: 454px; }
.part7_z2{ top: 63px;  right: 454px; }
.part7_z3{ top: 208px; left: 366px; }
.part7_z4{ top: 208px; left: 540px; }
.part7_z5{ top: 208px; left: 716px; }
.part7_z6{ top: 359px; left: 454px; }
.part7_z7{ top: 359px; right: 454px; }

/* ============ part8 教学服务 ============ */
.part8{
  width: 100%;
  height: 650px;
  background: #0c08c1;
}
.part8_box{
  width: 1200px;
  margin: 0 auto;
}
.part8_list{
  margin-top: 55px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.part8_con1{
  width: 180px;
  height: 400px;
  background: #FFFFFF;
  border-radius: 15px;
  text-align: center;
  color: #000000;
}
.part8_con1 img{
  height: 92px;
  margin: 0 auto;
  margin-top: 48px;
}
.part8_con1 img:nth-child(2){
  display: none;
}
.part8_con1 h2{
  margin: 0;
  padding: 0;
  height: 50px;
  font-family: AliBold;
  font-weight: bold;
  font-size: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 26px;
  margin-top: 28px;
}
.part8_con1 p{
  margin: 0;
  padding: 0;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 14px;
  line-height: 24px;
  padding: 0 10px;
  text-align: justify;
  margin-top: 24px;
}
.part8_con1.on{
  width: 220px;
  height: 400px;
  background: #436BFF;
  border-radius: 15px;
  color: #FFFFFF;
}
.part8_con1.on img:nth-child(1){
  display: none;
}
.part8_con1.on img:nth-child(2){
  display: block;
  margin-top: 36px;
  height: 139px;
}
.part8_con1.on h2{
  margin-top: 12px;
  font-size: 24px;
}
.part8_con1.on p{
  color: #FFFFFF;
}

/* ============ part15 就业推荐 ============ */
.part15{
  width: 100%;
  background: #f0f8ff;
  padding-bottom: 99px;
}
.part15_box{
  width: 1200px;
  margin: 0 auto;
}
.part15_con{
  display: flex;
  justify-content: space-between;
  margin-top: 29px;
  flex-wrap: wrap;
}
.part15_con1{
  width: 200px;
  height: 153px;
  background: #3E68FF;
}
.part15_con1 img{
  width: 200px;
  height: 153px;
}
.part15_con1 h1{
  margin: 0;
  padding: 0;
  font-family: AliBlod;
  font-weight: 500;
  font-size: 20px;
  color: #FFFFFF;
  text-align: center;
  margin-top: 24px;
}
.part15_con1 i{
  width: 37px;
  height: 4px;
  background: #FFFFFF;
  border-radius: 2px;
  margin: 0 auto;
  margin-top: 20px;
  display: block;
}
.part15_con1 p{
  margin: 0;
  padding: 0;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 14px;
  color: #FFFFFF;
  padding: 7px 15px;
  text-align: center;
  margin-top: 10px;
}

/* ============ part62 常见问题 ============ */
.part62{
  width: 100%;
  height: 400px;
  background: #FFFFFF;
}
.part62_box{
  width: 1200px;
  margin: 0 auto;
}
.part62_list{
  width: 1200px;
  padding-top: 1px;
}
.part6_ul{
  width: 1200px;
  margin: 0 auto;
}
.part62_ul ul{
  width: 1200px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-content: center;
}
.part62_ul ul li{
  width: 368px;
  height: 54px;
  background: #f0f8ff;
  font-family: AliBold;
  font-weight: bold;
  font-size: 18px;
  color: #4F7DF9;
  line-height: 54px;
  text-align: left;
  padding-left: 30px;
  cursor: pointer;
  border-radius: 20px;
  margin: 0 0 20px 20px;
}
.part62_ul ul li:hover{
  width: 368px;
  height: 54px;
  background: #3d85ff;
  color: #FFFFFF;
  border-radius: 20px;
}
.part62_con{
  width: 1200px;
  margin: 0 auto;
  margin-top: 11px;
}
.part62_con.on{
  display: block;
}
.part62_con1{
  width: 1200px;
  height: 290px;
  background: url('part5_con.png') no-repeat;
  display: none;
  padding-top: 10px;
}
.part62_con1.on{
  display: block;
}
.part62_con1_1{
  width: 1198px;
  height: 270px;
  margin: 0 auto;
  padding-left: 46px;
}
.part62_con1_2{
  display: flex;
  justify-content: left;
}
.part62_con2{
  width: 550px;
}
.part62_con2 h2{
  margin: 0;
  padding: 0;
  font-family: AliMedium;
  font-size: 20px;
  color: #000000;
  line-height: 45px;
}
.part62_con2 p{
  margin: 0;
  padding: 0;
  font-family: AliRegular;
  font-weight: 400;
  font-size: 14px;
  color: #000000;
  line-height: 25px;
}
.part62_content{
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
}
.part62_content1{
  width: 285px;
}