.wrap {
  width: 100%;
  height: auto;
}

.sec_1 {
  width: 100%;
  height: 800px;
  background: url(../../img/ak/main/sec_1-bg1.png) no-repeat;
  background-size: cover;
  background-position: 60%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #f3f3f3;
  position: relative;
}

.sec_1 .inner {
  padding-top: 130px;

  /**/
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
}

.sec_1 .swiper-slide {
  width: 100vw;
  height: 800px;
}

.sec_1 .swiper-slide.slide1 {
  background: url(../../img/ak/main/sec_1-bg1.png) no-repeat;
  background-size: cover;
  background-position: 80%;
}
.sec_1 .swiper-slide.slide2 {
  background: url(../../img/ak/main/sec_1-bg3.png) no-repeat;
  background-size: cover;
  background-position: 70%;
}
.sec_1 .swiper-slide.slide3 {
  background: url(../../img/ak/main/sec_1-bg2.png) no-repeat;
  background-size: cover;
  background-position: 70%;
}

.sec_1 .txt_wrap h3 {
  font-size: 2rem;
  line-height: 2rem;
  margin-bottom: 2rem;
  font-weight: 400;
}

.sec_1 .txt_wrap h1 {
  font-size: 7rem;
  line-height: 7rem;
  margin-bottom: 4rem;
  font-weight: 500;
}

.sec_1 .txt_wrap h2 {
  font-size: 4rem;
  line-height: 4rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.sec_1 .txt_wrap p {
  font-size: 1.6rem;
  display: block;
  width: 400px;
  margin-top: 4rem;
}

.sec_1 .btn_wrap {
  display: flex;
  gap: var(--gap);
  margin-top: 4rem;
}

.sec_1 .btn_wrap.big {
  width: 500px;
  flex-wrap: wrap;
}

.sec_1 .btn_wrap.big .btn {
  width: calc(33.333% - 20px);
}

/**/
.line_banner {
  width: 100%;
  height: 150px;
  display: flex;
  justify-content: center;
}

.line_banner .inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.line_banner .con_wrap {
  display: flex;
  align-items: center;
  gap: calc(var(--gap) * 2);
}

.line_banner .con_wrap .con a {
  display: flex;
  align-items: center;
}

.line_banner .con_wrap .con .icon {
  width: 70px;
  height: 70px;
  margin-right: 10px;
}

.line_banner .con_wrap .con a p {
  display: flex;
  flex-direction: column;
  font-size: 2rem;
}

.line_banner .con_wrap .con a p span {
  font-size: 1.6rem;
  color: #999999;
  display: block;
}

.line_banner .con_wrap .line {
  display: block;
  width: 2px;
  height: 50px;
  background: #ebebeb;
}

/**/
.sec_2 {
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 10rem;
  background: url(../../img/ak/main/main_sec2_backg.png) no-repeat;
  background-size: cover;
  background-position: center;
  position: relative;
}

.sec_2 .bannerbg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: calc(100% - 40rem);
  background: var(--gradient1);
  z-index: 0;
}

.sec_2 .inner {
  display: flex;
  flex-wrap: wrap;
  position: relative;
}

.sec_2 .text_wrap {
  width: 100%;
}

.sec_2 .text_wrap h1 {
  font-size: 4rem;
  line-height: 5rem;
  font-weight: 400;
  font-family: var(--font-serif);
}

.sec_2 .text_wrap p {
  display: block;
  width: 420px;
  font-size: 2rem;
  line-height: 3rem;
  margin-top: 4rem;
}

.sec_2 .img_wrap {
  width: 50%;
}

.sec_2 .img_wrap img {
  width: 86%;
}

.sec_2 .con_wrap {
  display: flex;
  align-items: flex-end;
  width: 45%;
}

.sec_2 .con_wrap .con {
  padding: 2rem;
  font-size: 1.6rem;
}

.sec_2 .con_wrap .con_txt .icon {
  width: 6rem;
  height: 6rem;
  margin-bottom: 2rem;
}

.sec_2 .con_wrap .con_txt h2 {
  font-size: 3rem;
  margin-bottom: 4rem;
}

.sec_2 .con_wrap .con_txt h2 span {
  font-size: 1.6rem;
}

.sec_2 .con_wrap .con_txt p {
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
}
/**/

.sec_9 {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 12rem 0;
  background: #f4f4f4;
}

.sec_9 .item_ul {
  display: flex;
  margin-top: 6rem;
  flex-wrap: wrap;
  gap: 2rem;
}
.sec_9 .item_ul .item {
  width: calc(25% - 1.5rem);
  text-align: center;
  /* padding: 3rem 2rem; */
  background: #fff;
}

.sec_9 .item_ul .item a {
  display: flex;
  justify-content: center;
  /* padding: 3rem 2rem; */
  position: relative;
  flex-direction: column;
}

.sec_9 .item_ul .item a .line {
  /* position: absolute; */
  /* bottom: 0; */
  /* left: 0; */
  width: 0;
  height: 3px;
  background: var(--main-c);
  transition-duration: 0.5s;
}

.sec_9 .item_ul .item a:hover h2 {
  color: var(--main-c);
  font-weight: 500;
}

.sec_9 .item_ul .item a:hover .line {
  width: 100%;
}

.sec_9 .item_ul .item h2 {
  font-size: 2.4rem;
  font-weight: 400;
  padding: 2rem 0;
}

.sec_9 .btn {
  margin: 6rem auto 0;
}

/**/
.sec_3 {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 12rem 0;
  /* background: #f4f4f4; */
}

.sec_3 .swiper_wrap {
  /* height: 840px; */
  margin-top: 6rem;
  position: relative;
}

.sec_3 .swiper_wrap.small {
  /* height: 420px; */
}

.sec_3 .swiper_wrap.small .swiper-slide {
  /* height: 100% !important; */
}

.sec_3 .swiper {
  width: 100%;
  height: 100%;
  margin-left: auto;
  margin-right: auto;
}

.sec_3 .swiper-slide {
  /* background: #fff; */
  height: calc((100% - 30px) / 2) !important;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 394px;
}

.sec_3 .swiper-button-next {
  right: -67px;
}
.sec_3 .swiper-button-prev {
  left: -67px;
}

.swiper-button-next,
.swiper-button-prev {
  color: #222222;
}

.sec_3 .swiper-slide .icon {
  width: 4rem;
  display: flex;
}

.sec_3 .swiper-slide .slide-inner {
  padding: 2rem;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

.sec_3 .swiper-slide h2 {
  font-size: 2.2rem;
  margin: 1rem 0;
}
.sec_3 .swiper-slide p {
  font-size: 1.6rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.sec_3 .con {
  width: calc(100% - 1rem);
  height: calc(100% - 1rem);
  background: #fff;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
  padding: 4rem;
}

.sec_3 .con .badge {
  padding: 2px 20px;
  color: #fff;
  font-size: 1.6rem;
  background: #4b5962;
  border-radius: 4px;
  box-sizing: border-box;
  margin-bottom: 1rem;
}

.sec_3 .con h2.con_tit {
  font-size: 2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  line-height: 3rem;
  height: 6rem;
  margin-top: 1rem;
  margin-bottom: 4rem;
}

.sec_3 .con p.con_txt {
  font-size: 1.6rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  line-height: 2.6rem;
  height: 7.8rem;
  color: #999999;
}

.sec_3 .info_box {
  width: 100%;
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.sec_3 .info_box .u_img {
  width: 5rem;
  height: 5rem;
  border: 2px solid #4b5962;
  overflow: hidden;
  border-radius: 50%;
  box-sizing: border-box;
}

.sec_3 .info_box .u_info {
  font-size: 1.6rem;
}

.sec_3 .inner .btn {
  /* margin: 2rem auto; */
  margin: 6rem auto 0;
}

/**/
.sec_4 {
  width: 100%;
  height: auto;
  background: url(../../img/ak/main/sec_4-bg.png) no-repeat;
  background-size: cover;
  background-position: center;
  display: flex;
  color: #fff;
}

.sec_4 .con_wrap {
  display: flex;
  flex-direction: column;
}

.sec_4 .con_wrap.con_left {
  width: 60%;
}

.sec_4 .con_wrap.con_right {
  width: 40%;
}

.sec_4 .con_wrap .con {
  width: 100%;
  height: 280px;
  display: flex;
  overflow: hidden;
}

.sec_4 .con_wrap .con_txt {
  width: calc(100% - 280px);
  height: 100%;
}

.sec_4 .con_wrap h1 {
  font-size: 3rem;
  font-weight: 500;
}

.sec_4 .con_wrap .con_img {
  width: 280px;
  height: 100%;
}

.sec_4 .con_wrap .con.con1,
.sec_4 .con_wrap .con.con4 {
  height: 250px;
}

.sec_4 .con_left .con1 {
  background: #cf5c7a;
}
.sec_4 .con_left .con2 {
  background: url(../../img/ak/main/sec_4-conbg1.png);
  background-size: contain;
  background-position: 0 0;
  position: relative;
}

.sec_4 .con_left .con2 .con_txt h1 {
  position: relative;
  top: 50%;
  left: 8rem;
  transform: translateY(-50%);
}

.sec_4 .con_left .con2 .con_txt h1:after {
  content: "";
  width: 4px;
  height: 100%;
  background: #fff;
  position: absolute;
  top: 0;
  left: -24px;
}

.sec_4 .con_left .con3 .con_txt {
  background: url(../../img/ak/main/sec_4-conimg3.png) no-repeat;
  background-size: cover;
  background-position: center;
}

.sec_4 .con_left .con4,
.sec_4 .con_right .con1 {
  background: var(--main-c);
}

.sec_4 .con_right {
  position: relative;
}

.sec_4 .con_right p {
  font-family: var(--font-serif);
}

.sec_4 .con_right .con1 {
  display: flex;
  align-items: center;
}

.sec_4 .con_right .con1 p {
  font-size: 3rem;
  line-height: 4rem;
  margin-left: 4rem;
}

.sec_4 .con_right .con2 {
  flex-direction: column;
  height: 420px;
}

.sec_4 .con_right .con2 h2 {
  font-size: 6rem;
  font-weight: 400;
  font-family: var(--font-serif);
  margin: 4rem;
}

.sec_4 .con_right .con2 p {
  display: block;
  width: calc(100% - 8rem);
  margin-left: 4rem;
  font-size: 2rem;
}

.sec_4 .con_right .con3 {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 380px;
  background: var(--point-c);
  flex-direction: column;
  line-height: 4rem;
}

.sec_4 .con_right .con3 h1 {
  padding: 4rem;
}

.sec_4 .con_right .con3 p {
  font-size: 2rem;
  line-height: 3rem;
  font-weight: 600;
  padding-left: 4rem;
}

/**/
.sec_5 {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12rem 0 0 0;
  background: url(../../img/ak/main/sec_5-bg1.png) no-repeat;
  background-size: cover;
  background-position: center;
}

.sec_5 .txt_wrap {
  font-family: var(--font-serif);
  font-size: 3rem;
  text-align: center;
  padding: 6rem 0 10rem;
}

.sec_5 .img_wrap {
  width: 90%;
}

.sec_5 .img_wrap img {
  width: 100%;
}

/**/
.sec_6 {
  width: 100%;
  height: 300px;
  /* background: #f2f2f2; */
  display: flex;
  justify-content: center;
}

.sec_6 .inner {
  display: flex;
  gap: calc(var(--gap) * 4);
}

.sec_6 .box {
  width: 340px;
  height: 100%;
  background: var(--main-c);
  position: relative;
}

.sec_6 .box:after {
  content: "";
  width: 100%;
  height: 30px;
  background: var(--main-c);
  position: absolute;
  top: -30px;
  left: 0;
}

.sec_6 .box h1 {
  color: #ffffff;
  margin-top: 2rem;
  margin-left: 4rem;
  font-size: 3rem;
  line-height: 3rem;
  font-weight: 500;
}

.sec_6 .box h1 .thin {
  font-weight: 400;
  line-height: 4rem;
}

.sec_6 .con_wrap {
  display: flex;
  gap: calc(var(--gap) * 4);
  align-items: center;
}

.sec_6 .con_wrap .con {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  font-weight: 300;
  text-align: center;
}

.sec_6 .con_wrap .con_img {
  width: 120px;
  height: auto;
}

/**/
.sec_8 {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 8rem 0;
}
.sec_8 .s_sec_1 {
  padding-bottom: 0;
}

.sec_8 .s_sec_1 .con_wrap {
  display: flex;
  margin-top: 6rem;
}

.sec_8 .s_sec_1 .con_left,
.sec_8 .s_sec_1 .con_right {
  width: 50%;
  height: auto;
}

.sec_8 .s_sec_1 .con_left {
  color: #fff;
}

.sec_8 .s_sec_1 .con_left .con1 {
  background: var(--point-c);
  padding: 4rem;
  position: relative;
  margin-bottom: 0;
}

.sec_8 .s_sec_1 .con_left .con1:after {
  content: "";
  width: 100%;
  height: 20rem;
  background: var(--main-c);
  position: absolute;
  bottom: -20rem;
  left: -100%;
}

.sec_8 .s_sec_1 .con_left .con1 .box {
  width: 20px;
  height: 20px;
  background: #fff;
  display: block;
  margin-bottom: 2rem;
}

.sec_8 .s_sec_1 .con_left .con1 h1 {
  font-size: 3rem;
  line-height: 4rem;
  font-weight: 600;
  font-family: var(--font-serif);
}

.sec_8 .s_sec_1 .con_left .con2 {
  background: url(../../img/ak/sub/1/sec_1-bg1.png);
  background-size: contain;
  background-position: 0 0;
  font-size: 2rem;
  line-height: 3rem;
  padding: 4rem;
  position: relative;
}

.sec_8 .s_sec_1 .con_left .con2:before {
  content: "";
  width: 10rem;
  height: 100%;
  background: var(--gradient2);
  position: absolute;
  top: 0;
  left: -10rem;
}

.sec_8 .s_sec_1 .con_left .con2:after {
  content: "";
  width: 1920px;
  height: 600px;
  background: var(--gradient1);
  background: linear-gradient(
    90deg,
    var(--gradient1) 0%,
    var(--gradient2) 100%
  );
  position: absolute;
  bottom: 0;
  right: -1920px;
  z-index: -1;
}

.sec_8 .s_sec_1 .con_left .con2 p {
  margin-bottom: 4rem;
  color: #ffffff;
}

.sec_8 .s_sec_1 .con_left .con2 p span {
  font-size: 4rem;
  line-height: 5rem;
  font-weight: 400;
}

.sec_8 .s_sec_1 .con_right {
  /* height: 750px; */
  height: auto;
  position: relative;
}

.sec_8 .s_sec_1 .con_right .con_icon {
  position: absolute;
  bottom: 80px;
  right: -250px;
  width: 600px;
}

.sec_8 .s_sec_1 .con_right .con_txt {
  position: absolute;
  right: -10rem;
  bottom: 16rem;
  transform: rotate(90deg);
  font-size: 2rem;
  display: flex;
  align-items: center;
  font-weight: 600;
}

.sec_8 .s_sec_1 .con_right .con_txt .line {
  display: inline-block;
  width: 30px;
  height: 4px;
  background: #222222;
  margin-right: 1rem;
}

.sec_8 .tab_wrap.con_tab_wrap {
  margin-top: 6rem;
}

.sec_8 .tab_wrap ul {
  display: flex;
  width: 100%;
}

.sec_8 .tab_wrap ul li {
  width: 100%;
  height: 70px;
  background: var(--gradient1);
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
}

.sec_8 .tab_wrap ul li:nth-child(odd) {
  background: var(--gradient2);
}

.sec_8 .tab_wrap ul li.active {
  background: var(--point-c);
}

.sec_8 .con_active_wrap .con {
  width: 100%;
  display: none;
  background: #fff;
  padding: 0;
}

.sec_8 .con_active_wrap .con.active {
  display: flex;
}

.sec_8 .con_active_wrap .map_wrap {
  width: 60%;
  height: auto;
  background: #fafafa;
}

.sec_8 .con_active_wrap .con_txt_wrap {
  width: calc(40% - 4rem);
  height: 600px;
  padding: 4rem 0 4rem 4rem;
}

.sec_8 .con_active_wrap .con_txt_wrap article {
  margin-bottom: 4rem;
  font-size: 2rem;
  display: flex;
  align-items: flex-start;
}

.sec_8 .con_active_wrap .con_txt_wrap .icon {
  width: 30px;
  height: 30px;
  margin-right: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sec_8 .con_active_wrap .con_txt_wrap .con_txt {
  width: calc(100% - 40px);
}

.sec_10 {
  background: url(../../img/ak/construct/sub10_bg.png) no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  padding: 8rem 0 10rem;
  color: #fafafa;
}

.sec_10 .item_ul {
  display: flex;
  gap: 16rem;
  margin-top: 6rem;
  text-align: center;
}

.sec_10 .item_ul .item {
  width: 33.333%;
}

.sec_10 .item_ul .item h2 {
  font-size: 2.4rem;
  font-weight: 400;
  padding: 2rem 0;
}

.sec_10 .item_ul .item p {
  font-size: 1.8rem;
  word-break: keep-all;
  width: 100%;
  padding: 0 2rem;
}

.sec_11 {
  display: flex;
  justify-content: center;
  padding: 10rem 0;
  background: url(../../img/ak/construct/sub11_bg.png) no-repeat;
  background-size: cover;
  background-position: center;
  color: #fff;
}

.sec_11 .inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.sec_11 .tit_wrap {
  text-align: left;
}

.sec_11 .text {
  text-align: right;
  font-size: 2rem;
}

@media all and (max-width: 1520px) {
  .sec_4 .con_wrap.con_left {
    width: 55%;
  }
  .sec_4 .con_wrap.con_right {
    width: 45%;
  }
}

@media all and (max-width: 1500px) {
  .sec_1 .swiper-slide.slide3 {
    background-position: 75%;
  }
}

@media all and (max-width: 1380px) {
  .sec_4 {
    flex-direction: column;
  }
  .sec_4 .con_wrap.con_left {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sec_4 .con_left .con {
    width: 50%;
  }

  .sec_4 .con_left .con2 .con_img {
    display: none;
  }
  .sec_4 .con_left .con2 .con_txt {
    width: 100%;
  }

  .sec_4 .con_left .con4 {
    background: transparent;
  }

  .sec_4 .con_wrap .con.con1,
  .sec_4 .con_wrap .con.con4 {
    height: 280px;
  }

  .sec_4 .con_right .con {
    width: 50%;
  }

  .sec_4 .con_right .con3 {
    left: auto;
    right: 0;
    height: auto;
    padding-bottom: 4rem;
  }

  .sec_4 .con_right .con1,
  .sec_4 .con_wrap.con_right {
    width: 100%;
  }

  .board-next,
  .board-prev {
    display: none;
  }
}

@media all and (max-width: 1181px) {
  .line_banner {
    height: 200px;
  }
  .line_banner .inner {
    justify-content: center;
    flex-direction: column-reverse;
    gap: 4rem;
  }
  .line_banner .con_wrap {
    justify-content: space-between;
    width: 100%;
    gap: 2rem;
  }
  /**/

  /**/
  .sec_4 .con_left .con {
    width: 100%;
  }
  .sec_4 .con_left .con2 .con_img {
    display: block;
  }
  .sec_4 .con_right .con2 {
    padding-bottom: 36rem;
    height: auto;
    width: 100%;
  }
  .sec_4 .con_right .con3 {
    left: 0;
    right: auto;
    padding-bottom: 4rem;
    width: 50%;
  }

  /**/
  .sec_5 .txt_wrap {
    font-size: 2.5rem;
  }

  /**/
  .sec_6 {
    height: auto;
  }
  .sec_6 .inner {
    flex-direction: column;
    gap: 2rem;
  }
  .sec_6 .box {
    height: auto;
    padding-bottom: 4rem;
  }

  .sec_6 .con_wrap {
    justify-content: center;
    padding: 0 0 4rem 0;
  }
}

@media all and (max-width: 1124px) {
  .sec_2 .img_wrap img {
    width: 96%;
  }
  .sec_2 .con_wrap .con {
    padding: 2rem;
  }

  /* .sec_1 .swiper-slide.slide1 {
    background: url(../../img/ak/main/1120bg1.png) no-repeat;
    background-size: cover;
    background-position: right;
  }
  .sec_1 .swiper-slide.slide2 {
    background: url(../../img/ak/main/1120bg2.png) no-repeat;
    background-size: cover;
    background-position: right;
  }
  .sec_1 .swiper-slide.slide3 {
    background: url(../../img/ak/main/1120bg3.png) no-repeat;
    background-size: cover;
    background-position: right;
  } */
}

@media all and (max-width: 1024px) {
  .sec_8 .con_active_wrap .con.active {
    flex-direction: column;
  }
  .sec_8 .con_active_wrap .map_wrap,
  .sec_8 .con_active_wrap .con_txt_wrap {
    width: 100%;
  }
  .sec_8 .con_active_wrap .con_txt_wrap {
    padding: 4rem 0 0;
    height: auto;
  }
}

@media all and (max-width: 990px) {
  .sec_2 .bannerbg {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: calc(100% - 50rem);
    background: var(--gradient1);
    z-index: 0;
  }

  .sec_2 .img_wrap {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .sec_2 .img_wrap img {
    width: 45rem;
  }
  .sec_2 .con_wrap {
    width: 100%;
    justify-content: center;
  }
  .sec_10 .item_ul {
    gap: 2rem;
  }
}

@media all and (max-width: 891px) {
  .line_banner {
    height: 300px;
  }
  .line_banner .con_wrap {
    flex-wrap: wrap;
  }
  .line_banner .con_wrap .con {
    width: calc(50% - 3rem);
  }
  .line_banner .con_wrap .line:nth-child(4) {
    width: 100%;
    height: 2px;
    display: none;
  }
  .line_banner .con_wrap .con a {
    justify-content: center;
  }

  /**/
  .sec_4 .con_right .con3,
  .sec_4 .con_left .con3 .con_txt {
    width: 100%;
  }
  .sec_4 .con_left .con2 .con_img,
  .sec_4 .con_left .con3 .con_img {
    display: none;
  }
  .sec_4 .con_left .con.con4 {
    display: none;
  }
  .sec_4 .con_wrap .con.con1,
  .sec_4 .con_wrap .con.con4 {
    height: 200px;
  }

  /**/
  .sec_6 .con_wrap {
    flex-wrap: wrap;
    width: calc(100% - 230px);
    gap: 0 2rem;
    padding: 4rem 0;
  }
  .sec_6 .con_wrap .con {
    width: calc(50% - 1rem);
  }
  .sec_6 .inner {
    flex-direction: row;
    gap: 2rem;
  }

  .sec_9 .item_ul .item {
    width: calc(33.333% - 1.5rem);
  }

  .sec_11 .inner {
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
  }

  .sec_11 .text {
    text-align: left;
    margin-top: 4rem;
  }
}

@media all and (max-width: 720px) {
  /**/
  .sec_2 .text_wrap h1 {
    font-size: 3rem;
    line-height: 4rem;
  }

  .sec_2 .text_wrap,
  .sec_2 .text_wrap p {
    width: 100%;
  }
  .sec_2 .img_wrap img {
    width: 80%;
  }

  /**/
  .sec_6 .inner {
    flex-direction: column;
  }
  .sec_6 .con_wrap {
    gap: 2rem;
    padding: 0 0 4rem 0;
    width: 100%;
  }
  .sec_6 .box {
    padding-bottom: 2rem;
  }
  .sec_6 .box:after {
    display: none;
  }

  /**/
  .sec_8 .tab_wrap ul {
    flex-wrap: wrap;
  }

  .sec_8 .tab_wrap ul li {
    /* width: 33.333%; */
    width: 50%; height: 45px; line-height:1em;
  }
}

@media all and (max-width: 691px) {
  .btn {
    width: 142px;
    height: 42px;
    font-size: 1.6rem;
  }
  /**/
  .sec_1 .txt_wrap h3 {
    font-size: 1.8rem;
  }
  .sec_1 .txt_wrap h1 {
    font-size: 6rem;
  }

  .sec_1 .txt_wrap h2 {
    font-size: 3rem;
    line-height: 3rem;
  }

  .sec_9 .item_ul .item {
    width: calc(50% - 1.5rem);
  }
  .sec_9 .item_ul .item h2 {
    font-size: 2rem;
  }

  .sec_10 .item_ul {
    display: flex;
    gap: 6rem;
    margin-top: 6rem;
    text-align: center;
    flex-wrap: wrap;
    justify-content: center;
  }

  .sec_10 .item_ul .item {
    width: 50%;
  }
}

@media all and (max-width: 620px) {
  .tit_wrap h1 {
    font-size: 3rem;
    line-height: 4rem;
  }
  .sec_5 .txt_wrap {
    font-size: 2rem;
  }
  .sec_4 .con_right .con2 h2 {
    font-size: 5rem;
  }
  .sec_4 .con_right .con1 p {
    font-size: 2.5rem;
    line-height: 3.5rem;
  }

  .sec_1 .btn_wrap.big {
    width: 100%;
  }

  .sec_1 .btn_wrap.big .btn {
    width: calc(50% - 20px);
  }
}

@media all and (max-width: 590px) {
  .sec_1 .inner {
    padding-top: 0;
    /* top: 48%; */
    top: 60%;
  }

  /* .sec_1 .swiper-slide.slide1 {
    background: url(../../img/ak/main/580bg1.png) no-repeat;
    background-size: cover;
    background-position: center;
  }
  .sec_1 .swiper-slide.slide2 {
    background: url(../../img/ak/main/580bg2.png) no-repeat;
    background-size: cover;
    background-position: center;
  }
  .sec_1 .swiper-slide.slide3 {
    background: url(../../img/ak/main/580bg3.png) no-repeat;
    background-size: cover;
    background-position: center;
  } */
}

@media all and (max-width: 499px) {
  /**/
  .sec_1,
  .sec_1 .swiper-slide {
    /* height: 100vh; */
    height: calc(100vh - 90px);
  }
  .sec_1 .txt_wrap h1 {
    font-size: 5rem;
    line-height: 5rem;
  }
  .sec_1 .txt_wrap h2 {
    font-size: 2.5rem;
    line-height: 2.5rem;
  }
  .sec_1 .txt_wrap p {
    width: 100%;
  }
  /**/
  .line_banner {
    height: auto;
    padding: 4rem 0;
  }
  .line_banner .con_wrap .con a {
    justify-content: center;
    flex-direction: column;
  }
  .line_banner .con_wrap .con .icon {
    margin-right: 0;
  }
  /**/

  /**/
  .sec_3 .swiper_wrap.small {
    /* height: 280px; */
  }

  .sec_3 .swiper_wrap {
    /* height: 570px; */
  }
  /**/
  .sec_4 .con_wrap .con.con1,
  .sec_4 .con_wrap .con.con4,
  .sec_4 .con_wrap .con {
    height: 40vw;
  }

  .sec_4 .con_wrap.con_right .con2,
  .sec_4 .con_wrap.con_right .con3 {
    height: auto;
  }

  .sec_4 .con_wrap .con_img {
    width: 40vw;
  }

  .sec_4 .con_wrap .con1 .con_img img {
    width: 100%;
  }

  .sec_4 .con_wrap .con_txt {
    width: 60vw;
  }

  .sec_4 .con_left .con2 .con_txt h1 {
    left: 6rem;
    font-size: 2.5rem;
  }
  .sec_4 .con_right .con2 h2 {
    font-size: 4rem;
  }
  .sec_4 .con_right .con1 p {
    margin-right: 4rem;
  }
  /**/

  .sec_6 .box {
    width: 100%;
  }
  .sec_10 .item_ul .item {
    width: 70%;
  }
}