.header {
  background: transparent;
  border-bottom: 1px solid #5f5f5f;
  box-shadow: none;
}

.header .header_t .header_t_c .logo_b {
  display: none;
}

.header .header_t .header_t_c .logo_w {
  display: block;
}

.header .header_t .header_r {
  align-items: center;
}

.header .header_t .header_r .header_r_lang a:hover {
  color: #FFF;
}

.header .header_t .header_r .header_r_lang a.active {
  color: #FFF;
}

.header .header_t .header_r .header_r_l_more img:first-child {
  display: none;
}

.header .header_t .header_r .header_r_l_more img:last-child {
  display: block;
}

.header .header_t .header_r .header_search {
  border: 1px solid #FFF;
}

.header .header_t .header_r .header_search input {
  color: #fff;
  background: transparent;
}

.header .header_t .header_r .header_search .sou_b {
  display: none;
}

.header .header_t .header_r .header_search .sou_w {
  display: block;
}

.header .header_b .header_b_box .header_b_item .header_item .header_item_title {
  color: #A9A9A9;
}

.header .header_b .header_b_box .header_b_item .header_item.active .header_item_title {
  color: #fff;
}

.header.active {
  background: #fff;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.1);
  border-bottom: 0px solid #5f5f5f;
}

.header.active .header_t .header_t_c .logo_b {
  display: block;
}

.header.active .header_t .header_t_c .logo_w {
  display: none;
}

.header.active .header_t .header_r {
  align-items: center;
}

.header.active .header_t .header_r .header_r_lang a:hover {
  color: #000;
}

.header.active .header_t .header_r .header_r_lang a.active {
  color: #000;
}

.header.active .header_t .header_r .header_r_l_more img:first-child {
  display: block;
}

.header.active .header_t .header_r .header_r_l_more img:last-child {
  display: none;
}

.header.active .header_t .header_r .header_search {
  border: 1px solid #8D8D8D;
}

.header.active .header_t .header_r .header_search input {
  color: #fff;
  background: transparent;
}

.header.active .header_t .header_r .header_search .sou_b {
  display: block;
}

.header.active .header_t .header_r .header_search .sou_w {
  display: none;
}

.header.active .header_b .header_b_box .header_b_item .header_item .header_item_title {
  color: #545454;
}

.header.active .header_b .header_b_box .header_b_item .header_item.active .header_item_title {
  color: #000;
}

.banner {
  width: 100%;
  height: 940px;
}

.banner .banner_box {
  width: 100%;
  height: 100%;
}

.banner .banner_box .banner_item {
  width: 100%;
  height: 100%;
  position: relative;
}

.banner .banner_box .banner_item > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner .banner_box .banner_item .banner_i_content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.banner .banner_box .banner_item .banner_i_content .banner_title {
  font-family: "Bebas Neue";
  color: #FFF;
  text-align: left;
  font-size: 26px;
  font-style: normal;
  font-weight: 700;
  line-height: 36px;
  /* 112.5% */
  text-transform: uppercase;
}

.banner .banner_box .banner_item .banner_i_content .banner_desc {
  margin-top: 10px;
  text-align: left;
  color: #FFF;
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: capitalize;
}

.light {
  width: 100%;
  height: auto;
  margin: 20px 0;
  position: relative;
}

.light img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.light .light_pc {
  display: block;
}

.light .light_mb {
  display: none;
}

.light .light_box {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: absolute;
  top: 240px;
  left: 50%;
  transform: translateX(-50%);
}

.light .light_box .light_title {
  color: #000;
  font-size: 24px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  text-transform: capitalize;
}

.light .light_box .light_desc {
  margin-top: 8px;
  color: #000;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: capitalize;
}

.light .light_box a {
  margin-top: 38px;
  color: #000;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: capitalize;
}

.residential {
  width: 100%;
  height: 920px;
  position: relative;
}

.residential img {
  width: 100%;
  height: 100%;
}

.residential .residential_box {
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  position: absolute;
  left: 50%;
  top: 386px;
  transform: translateX(-50%);
}

.residential .residential_box .res_title {
  color: #FFF;
  font-size: 24px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  text-transform: capitalize;
}

.residential .residential_box .res_desc {
  margin-top: 8px;
  color: #FFF;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: capitalize;
}

.residential .residential_box a {
  margin-top: 38px;
  color: #FFF;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: capitalize;
}

.cases {
  width: 100%;
  height: auto;
  padding: 120px 0;
}

.cases .case_title {
  color: #000;
  text-align: center;
  font-size: 24px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  text-transform: capitalize;
}

.cases .case_desc {
  margin-top: 8px;
  color: #000;
  text-align: center;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  text-transform: capitalize;
}

.cases .cases_content {
  margin-top: 58px;
  width: 100%;
  height: 666px;
  position: relative;
}

.cases .cases_content .cases_box {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cases .cases_content .cases_box .cases_box_item {
  width: 100%;
  height: 320px;
}

.cases .cases_content .cases_box .cases_box_item .str_move {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.cases .cases_content .cases_box .cases_box_item .cases_item {
  margin-right: 26px;
  width: 566px;
  height: 320px;
}

.cases .cases_content .cases_box .cases_box_item .cases_item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cases .cases_content .cases_b_l {
  width: 320px;
  height: 666px;
  position: absolute;
  left: 0;
  top: 0;
  background: linear-gradient(90deg, #FFF 0%, rgba(255, 255, 255, 0) 100%);
}

.cases .cases_content .cases_b_r {
  width: 320px;
  height: 666px;
  position: absolute;
  right: 0;
  top: 0;
  background: linear-gradient(270deg, #FFF 0%, rgba(255, 255, 255, 0) 100%);
}

.footer .safearea {
  max-width: 1200px;
}

@media screen and (max-width: 1300px) {
  .banner {
    width: 100%;
    height: 61.46154vw;
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
  }
  .banner .banner_box .banner_item {
    width: 100%;
    height: 100%;
    position: relative;
  }
  .banner .banner_box .banner_item > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .banner_box .banner_item .banner_i_content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .banner .banner_box .banner_item .banner_i_content .banner_title {
    font-family: "Bebas Neue";
    color: #FFF;
    text-align: left;
    font-size: 1.7vw;
    font-style: normal;
    font-weight: 700;
    line-height: 2.35385vw;
    /* 112.5% */
    text-transform: uppercase;
  }
  .banner .banner_box .banner_item .banner_i_content .banner_desc {
    margin-top: 0.65385vw;
    text-align: left;
    color: #FFF;
    font-size: 1.56923vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .light {
    width: 100%;
    height: auto;
    margin: 1.30769vw 0;
    position: relative;
  }
  .light img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .light .light_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 15.69231vw;
    left: 50%;
    transform: translateX(-50%);
  }
  .light .light_box .light_title {
    color: #000;
    font-size: 1.56923vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: capitalize;
  }
  .light .light_box .light_desc {
    margin-top: 0.52308vw;
    color: #000;
    font-size: 1.04615vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .light .light_box a {
    margin-top: 2.48462vw;
    color: #000;
    font-size: 0.91538vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .residential {
    width: 100%;
    height: 60.15385vw;
    position: relative;
  }
  .residential img {
    width: 100%;
    height: 100%;
  }
  .residential .residential_box {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: absolute;
    left: 50%;
    top: 25.23846vw;
    transform: translateX(-50%);
  }
  .residential .residential_box .res_title {
    color: #FFF;
    font-size: 1.56923vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: capitalize;
  }
  .residential .residential_box .res_desc {
    margin-top: 0.52308vw;
    color: #FFF;
    font-size: 1.04615vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .residential .residential_box a {
    margin-top: 2.48462vw;
    color: #FFF;
    font-size: 0.91538vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .cases {
    width: 100%;
    height: auto;
    padding: 7.84615vw 0;
  }
  .cases .case_title {
    color: #000;
    text-align: center;
    font-size: 1.56923vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: capitalize;
  }
  .cases .case_desc {
    margin-top: 0.52308vw;
    color: #000;
    text-align: center;
    font-size: 1.04615vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .cases .cases_content {
    margin-top: 3.79231vw;
    width: 100%;
    height: 43.54615vw;
    position: relative;
  }
  .cases .cases_content .cases_box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .cases .cases_content .cases_box .cases_box_item {
    width: 100%;
    height: 20.92308vw;
  }
  .cases .cases_content .cases_box .cases_box_item .str_move {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .cases .cases_content .cases_box .cases_box_item .cases_item {
    margin-right: 1.7vw;
    width: 37.00769vw;
    height: 20.92308vw;
  }
  .cases .cases_content .cases_box .cases_box_item .cases_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .cases .cases_content .cases_b_l {
    width: 20.92308vw;
    height: 43.54615vw;
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(90deg, #FFF 0%, rgba(255, 255, 255, 0) 100%);
  }
  .cases .cases_content .cases_b_r {
    width: 20.92308vw;
    height: 43.54615vw;
    position: absolute;
    right: 0;
    top: 0;
    background: linear-gradient(270deg, #FFF 0%, rgba(255, 255, 255, 0) 100%);
  }
  .footer .safearea {
    max-width: 78.46154vw;
  }
}

@media screen and (max-width: 1024px) {
  .header {
    width: 100%;
    height: auto;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    background: #fff;
    box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.1);
  }
  .header .header_t {
    width: 100%;
    height: 11.73333vw;
    max-width: 92vw;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
  }
  .header .header_t .header_t_c {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 19.2vw;
    height: 3.2vw;
  }
  .header .header_t .header_t_c img {
    width: 100%;
    height: auto;
  }
  .header .header_t .header_t_c .logo_b {
    display: block;
  }
  .header .header_t .header_t_c .logo_w {
    display: none;
  }
  .header .header_t .header_r {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .header .header_t .header_r .header_r_lang {
    display: none;
    flex-direction: row;
    align-items: center;
    color: #999;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
  }
  .header .header_t .header_r .header_r_lang a {
    color: #999;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
  }
  .header .header_t .header_r .header_r_lang a:hover {
    color: #000;
  }
  .header .header_t .header_r .header_r_lang a.active {
    color: #000;
  }
  .header .header_t .header_r .header_r_l_more {
    display: none;
    cursor: pointer;
    width: 18px;
    height: 4px;
    margin: 0 20px 0 12px;
  }
  .header .header_t .header_r .header_r_l_more img {
    width: 100%;
    height: 100%;
  }
  .header .header_t .header_r .header_r_l_more img:first-child {
    display: block;
  }
  .header .header_t .header_r .header_r_l_more img:last-child {
    display: none;
  }
  .header .header_t .header_r .header_search {
    display: none;
    width: 120px;
    height: 26px;
    border-radius: 4px;
    border: 1px solid #8D8D8D;
    position: relative;
    overflow: hidden;
  }
  .header .header_t .header_r .header_search input {
    outline: none;
    border: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: 0 30px 0 10px;
    color: #000;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
  }
  .header .header_t .header_r .header_search input::placeholder {
    color: #999;
  }
  .header .header_t .header_r .header_search img {
    width: 12px;
    height: 12px;
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 12px;
  }
  .header .header_t .header_r .header_search .sou_b {
    display: block;
  }
  .header .header_t .header_r .header_search .sou_w {
    display: none;
  }
  .header .header_t .header_r .header_search_mb {
    display: block;
    width: 4.8vw;
    height: 4.8vw;
  }
  .header .header_t .header_r .header_search_mb img {
    width: 100%;
    height: 100%;
  }
  .header .header_t .header_r .header_menu_mb {
    display: block;
    margin-left: 4vw;
    width: 5.2vw;
    height: 4.4vw;
  }
  .header .header_t .header_r .header_menu_mb img {
    width: 100%;
    height: 100%;
  }
  .header .header_b {
    display: none;
  }
  .header.active {
    background: #fff;
    box-shadow: 0vw 0vw 1.6vw 0vw rgba(0, 0, 0, 0.1);
    border-bottom: 0vw solid #5f5f5f;
  }
  .header.active .header_t .header_t_c .logo_b {
    display: block;
  }
  .header.active .header_t .header_t_c .logo_w {
    display: none;
  }
  .header.active .header_t .header_r {
    align-items: center;
  }
  .header.active .header_t .header_r .header_r_lang a:hover {
    color: #000;
  }
  .header.active .header_t .header_r .header_r_lang a.active {
    color: #000;
  }
  .header.active .header_t .header_r .header_r_l_more img:first-child {
    display: block;
  }
  .header.active .header_t .header_r .header_r_l_more img:last-child {
    display: none;
  }
  .header.active .header_t .header_r .header_search {
    border: 0.13333vw solid #8D8D8D;
  }
  .header.active .header_t .header_r .header_search input {
    color: #fff;
    background: transparent;
  }
  .header.active .header_t .header_r .header_search .sou_b {
    display: block;
  }
  .header.active .header_t .header_r .header_search .sou_w {
    display: none;
  }
  .header.active .header_b .header_b_box .header_b_item .header_item .header_item_title {
    color: #545454;
  }
  .header.active .header_b .header_b_box .header_b_item .header_item.active .header_item_title {
    color: #000;
  }
  .banner {
    margin-top: 11.73333vw;
    width: 100%;
    height: 125.33333vw;
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
  }
  .banner .banner_box .banner_item {
    width: 100%;
    height: 100%;
    position: relative;
  }
  .banner .banner_box .banner_item > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .banner_box .banner_item .banner_i_content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    position: absolute;
    top: 0;
    left: 4vw;
    transform: translate(0%, 0%);
  }
  .banner .banner_box .banner_item .banner_i_content .banner_title {
    padding-top: 32.4vw;
    font-family: "Bebas Neue";
    color: #FFF;
    letter-spacing: 0.48vw;
    text-align: left;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    /* 112.5% */
    text-transform: uppercase;
  }
  .banner .banner_box .banner_item .banner_i_content .banner_desc {
    margin-top: 1.33333vw;
    text-align: left;
    color: #FFF;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .light {
    width: 100%;
    height: 122.66667vw;
    margin: 2.66667vw 0;
    position: relative;
  }
  .light img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .light .light_pc {
    display: none;
  }
  .light .light_mb {
    display: block;
  }
  .light .light_box {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 29.33333vw;
    left: 50%;
    transform: translateX(-50%);
  }
  .light .light_box .light_title {
    color: #000;
    font-size: 4.8vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: capitalize;
  }
  .light .light_box .light_desc {
    margin-top: 1.6vw;
    color: #000;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .light .light_box a {
    margin-top: 6.53333vw;
    color: #000;
    font-size: 1.86667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .residential {
    width: 100%;
    height: 122.66667vw;
    position: relative;
    background: url(../img/solution/red_bg.jpg) no-repeat;
    background-size: 100% 100%;
  }
  .residential img {
    display: none;
    width: 100%;
    height: 100%;
  }
  .residential .residential_box {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: absolute;
    left: 50%;
    top: 48.8vw;
    transform: translateX(-50%);
  }
  .residential .residential_box .res_title {
    color: #FFF;
    font-size: 4.8vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: capitalize;
  }
  .residential .residential_box .res_desc {
    margin-top: 1.6vw;
    color: #FFF;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .residential .residential_box a {
    margin-top: 6.53333vw;
    color: #FFF;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .cases {
    width: 100%;
    height: auto;
    padding: 5.33333vw 0;
  }
  .cases .case_title {
    color: #000;
    text-align: center;
    font-size: 4.8vw;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-transform: capitalize;
  }
  .cases .case_desc {
    margin-top: 1.6vw;
    color: #000;
    text-align: center;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
  }
  .cases .cases_content {
    margin-top: 6.66667vw;
    width: 100%;
    height: 88.8vw;
    position: relative;
  }
  .cases .cases_content .cases_box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .cases .cases_content .cases_box .cases_box_item {
    width: 100%;
    height: 42.66667vw;
  }
  .cases .cases_content .cases_box .cases_box_item .str_move {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .cases .cases_content .cases_box .cases_box_item .cases_item {
    margin-right: 3.46667vw;
    width: 75.46667vw;
    height: 42.66667vw;
  }
  .cases .cases_content .cases_box .cases_box_item .cases_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .cases .cases_content .cases_b_l {
    display: none;
    width: 42.66667vw;
    height: 88.8vw;
    position: absolute;
    left: 0;
    top: 0;
    background: linear-gradient(90deg, #FFF 0%, rgba(255, 255, 255, 0) 100%);
  }
  .cases .cases_content .cases_b_r {
    display: none;
    width: 42.66667vw;
    height: 88.8vw;
    position: absolute;
    right: 0;
    top: 0;
    background: linear-gradient(270deg, #FFF 0%, rgba(255, 255, 255, 0) 100%);
  }
  .footer .safearea {
    max-width: 92vw;
  }
}