.ai_wrap {
  background: url(/images/ai_bg.png) repeat top left/contain, url(/images/ai_bg_tc.svg) no-repeat 47% 20.5%/1102px auto, url(/images/ai_bg_tr.svg) no-repeat 102% 26%/380px auto, url(/images/ai_bg_lc.svg) no-repeat 6% 48%/380px auto, url(/images/ai_bg_c.svg) no-repeat 15% 54%/2000px auto, url(/images/ai_bg_rb.svg) no-repeat 122% 86%/1012px auto;
}
.ai_wrap h1, .ai_wrap h2, .ai_wrap h3, .ai_wrap h4, .ai_wrap h5, .ai_wrap h6, .ai_wrap p {
  color: #000D1D;
  line-height: 1.4em;
}
.ai_wrap p {
  font-size: 20px;
  font-weight: normal;
  text-align: justify;
}
.ai_wrap h3 {
  font-size: 50px;
}

.ai_mainImg {
  background: url(/images/ai_banner_bg.webp) no-repeat center bottom/95.6%;
  width: 100%;
  height: 0;
  padding-bottom: 40.787%;
}

.intro_outer {
  margin-top: 140px;
  padding-left: 30px;
  padding-right: 30px;
}

.ai_intro_wrap {
  background-color: #fff;
  padding-top: 38px;
  padding-bottom: 38px;
  margin-top: 58px;
  border-top: 2px solid #272A2A;
  border-bottom: 2px solid #272A2A;
  position: relative;
}
.ai_intro_wrap::before {
  content: "";
  display: block;
  width: 341px;
  height: 37px;
  position: absolute;
  top: -36px;
  left: -9px;
  background: url(/images/dec_top.svg) no-repeat center/contain;
}

.ai_intro_word {
  padding-left: 60px;
}
.ai_intro_word h4 {
  font-size: 31px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  position: relative;
  border-bottom: 5px solid #00FFE5;
}
.ai_intro_word h4::before {
  content: "";
  display: block;
  width: 21px;
  height: 77px;
  position: absolute;
  top: 8px;
  left: -45px;
  background: url(/images/dec_squares.svg) no-repeat center/contain;
}

.ai_intro_list {
  margin-top: 18px;
}
.ai_intro_list span {
  font-weight: 500;
  border-bottom: 1px solid #000D1D;
}

.ai_intro_img {
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai_intro_img div {
  width: 500px;
  height: auto;
  position: relative;
}
.ai_intro_img div::before {
  content: "";
  display: block;
  width: 130px;
  height: 47px;
  position: absolute;
  bottom: -22px;
  left: -42px;
  background: url(/images/dec_twoP.svg) no-repeat center/contain;
}

.intro_outer_02 h3 {
  text-align: right;
}
.intro_outer_02 .ai_intro_wrap::before {
  left: unset;
  right: -9px;
}
.intro_outer_02 .ai_intro_word {
  padding-right: 30px;
}
.intro_outer_02 .ai_intro_img div::before {
  display: none;
}

.intro_outer_03 .ai_intro_img div::before {
  display: none;
}

.ending_part {
  margin-top: 150px;
  background-color: #1B1E1E;
}
.ending_part h3, .ending_part p {
  color: #fff;
}
.ending_part .ai_ending_text {
  margin-bottom: 40px;
}
.ending_part > li > img {
  height: 408px;
  width: auto;
}

@media screen and (max-width: 1199.98px) {
  .ai_wrap h3 {
    font-size: 46px;
  }
  .ai_intro_word h4 {
    font-size: 25px;
  }
  .ai_wrap p {
    font-size: 18px;
  }
}
@media screen and (max-width: 991.98px) {
  .intro_outer {
    margin-top: 70px;
  }
  .ai_intro_img div {
    margin-top: 30px;
    margin-bottom: 30px;
  }
  .ending_part {
    margin-top: 120px;
  }
  .ending_part .ai_ending_text {
    margin-top: 30px;
  }
}
@media screen and (max-width: 767.98px) {
  .intro_outer {
    margin-top: 50px;
  }
  .ai_wrap h3 {
    font-size: 34px;
  }
  .ai_intro_wrap {
    padding-top: 40px;
    margin-top: 20px;
  }
  .ai_intro_word {
    padding-left: 15px;
  }
  .ai_intro_wrap::before {
    display: none;
  }
  .ai_intro_word h4::before {
    left: -35px;
  }
  .ai_intro_img div::before {
    width: 100px;
    left: -12px;
  }
  .intro_outer_02 .ai_intro_word {
    padding-right: 15px;
  }
}