body {
  background-color: #000;
  min-height: 100vh;
}

.wrap {
  width: 1300px;
  margin: auto;
}
@media (max-width: 1320px) {
  .wrap {
    width: 1170px;
  }
}
@media (max-width: 1190px) {
  .wrap {
    width: 92%;
  }
}

html {
  font-size: 0.8333333333vw;
}

.title_wrap h3 {
  font-size: 48px;
  color: #fff;
}
@media (max-width: 1320px) {
  .title_wrap h3 {
    font-size: 40px;
  }
}
@media (max-width: 1190px) {
  .title_wrap h3 {
    font-size: 32px;
  }
}
@media (max-width: 767px) {
  .title_wrap h3 {
    font-size: 26px;
  }
}

.head_pc {
  width: 100%;
  left: 0;
  top: 0;
  position: fixed;
  z-index: 999;
  -webkit-transition: all 0.3s;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
  padding-top: 2.8125rem;
  padding-bottom: 2.8125rem;
}
.head_pc .hover {
  display: none;
}
.head_pc.fixed {
  background-color: #000;
  padding-top: 25px;
  padding-bottom: 25px;
}
.head_pc .nav-drop {
  min-width: 5.2083vw;
  padding: 6px 0;
  border-radius: 4px;
  box-shadow: 0px 6px 18px rgba(29, 41, 57, 0.14);
  border: 1px solid rgba(0, 0, 0, 0.1);
}
.head_pc .nav-drop a {
  display: block;
  color: #333;
  height: 2.0833vw;
  line-height: 2.0833vw;
  text-align: center;
  font-size: 14px;
}
.head_pc .nav-drop a:hover, .head_pc .nav-drop a.active {
  background-color: #000;
  color: #fff;
}
.head_pc .nav li {
  position: relative;
  margin-right: 3.125rem;
}
.head_pc .nav li > a {
  font-size: clamp(14px, 1.125rem, 18px);
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
  color: #fff;
}
.head_pc .nav li > a:hover {
  color: #0087e8;
}
.head_pc .lan .text {
  margin-left: 10px;
}

.banner {
  padding-top: 180px;
  position: relative;
}
.banner .banner_info {
  width: 100%;
  position: absolute;
  left: 0;
  top: 180px;
}
@media (max-width: 1180px) {
  .banner .banner_info {
    top: 120px;
  }
}
@media (max-width: 640px) {
  .banner .banner_info {
    top: 50px;
  }
}
.banner .banner_info h3 {
  font-size: 60px;
}
.banner .banner_info .sub {
  font-size: 30px;
  margin-top: 40px;
}
@media (max-width: 640px) {
  .banner .banner_info h3 {
    font-size: 24px;
  }
  .banner .banner_info .sub {
    font-size: 16px;
    margin-top: 20px;
  }
}
.banner .bannerimg {
  margin-top: 50px;
}
@media (max-width: 640px) {
  .banner {
    padding-top: 50px;
  }
}

.common_info0 {
  margin-top: -60px;
}
@media (max-width: 640px) {
  .common_info0 {
    margin-top: 0;
  }
}

.common_info {
  position: relative;
  z-index: 1;
}
.common_info .top .title {
  font-size: 48px;
}
@media (max-width: 1320px) {
  .common_info .top .title {
    font-size: 40px;
  }
}
@media (max-width: 640px) {
  .common_info .top .title {
    font-size: 20px;
  }
}
.common_info .top .text {
  font-size: 20px;
  line-height: 40px;
  max-width: 1180px;
  margin: 35px auto 0;
}
@media (max-width: 1320px) {
  .common_info .top .text {
    max-width: 100%;
    padding: 0 20px;
    font-size: 16px;
    line-height: 26px;
  }
}
@media (max-width: 640px) {
  .common_info .top .text {
    padding: 0 15px;
    font-size: 14px;
    line-height: 24px;
    margin-top: 16px;
  }
}
.common_info .top .more {
  width: 210px;
  height: 60px;
  border-radius: 30px;
  border: 1px solid #fff;
  margin: 35px auto 0;
  font-size: 18px;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
}
.common_info .top .more img {
  margin-left: 20px;
}
.common_info .top .more:hover {
  background-color: #000;
}
@media (max-width: 1320px) {
  .common_info .top .more {
    width: 180px;
    height: 50px;
  }
}
@media (max-width: 640px) {
  .common_info .top .more {
    width: 160px;
    height: 40px;
    font-size: 15px;
  }
  .common_info .top .more img {
    margin-left: 10px;
  }
}
.common_info .bottom {
  margin-top: 70px;
}
@media (max-width: 1320px) {
  .common_info .bottom {
    margin-top: 60px;
  }
}
@media (max-width: 640px) {
  .common_info .bottom {
    margin-top: 30px;
  }
}
.common_info .bottom ul {
  gap: 20px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 640px) {
  .common_info .bottom ul {
    grid-template-columns: repeat(1, 1fr);
  }
}
.common_info .bottom ul li {
  border-radius: 15px;
  border: 1px solid #1d1d1d;
  position: relative;
}
.common_info .bottom ul li .info {
  padding-left: 45px;
  padding-right: 45px;
  position: absolute;
  z-index: 1;
  width: 100%;
  left: 0;
}
@media (max-width: 1320px) {
  .common_info .bottom ul li .info {
    padding-left: 25px;
    padding-right: 25px;
  }
}
.common_info .bottom ul li .info .title {
  font-size: 24px;
}
@media (max-width: 1320px) {
  .common_info .bottom ul li .info .title {
    font-size: 20px;
  }
}
.common_info .bottom ul li .info .sub {
  line-height: 30px;
  color: #a4a4a4;
  margin-top: 25px;
}
@media (max-width: 1320px) {
  .common_info .bottom ul li .info .sub {
    margin-top: 20px;
    line-height: 24px;
  }
}
.common_info .bottom ul li:nth-child(1) .info, .common_info .bottom ul li:nth-child(3) .info {
  bottom: 50px;
}
.common_info .bottom ul li:nth-child(2) .info {
  top: 50px;
}

.common_info1 {
  margin-top: 115px;
  padding: 50px 0;
  margin-bottom: 30px;
  background: url(../images/bg1.png) 0 0 no-repeat;
  -o-background-size: cover;
     background-size: cover;
}
@media (max-width: 640px) {
  .common_info1 {
    margin-top: 10px;
    padding: 20px 0;
  }
}
.common_info1 .list {
  margin-top: 65px;
  gap: 20px;
  grid-template-columns: repeat(6, 1fr);
}
@media (max-width: 1320px) {
  .common_info1 .list {
    gap: 15px;
  }
}
@media (max-width: 960px) {
  .common_info1 .list {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 640px) {
  .common_info1 .list {
    margin-top: 30px;
    grid-template-columns: repeat(2, 1fr);
  }
}
.common_info1 .list li {
  border-radius: 15px;
  border: 1px solid #262626;
  background: rgba(0, 0, 0, 0.8);
  height: 350px;
}
@media (max-width: 1320px) {
  .common_info1 .list li {
    height: auto;
    padding-bottom: 40px;
  }
}
@media (max-width: 640px) {
  .common_info1 .list li {
    height: auto;
    padding-bottom: 15px;
  }
}
.common_info1 .list li .icon_box {
  padding-top: 70px;
  padding-bottom: 50px;
}
@media (max-width: 1320px) {
  .common_info1 .list li .icon_box {
    padding-top: 50px;
    padding-bottom: 30px;
  }
}
@media (max-width: 640px) {
  .common_info1 .list li .icon_box {
    padding: 15px 0;
  }
}
.common_info1 .list li .title {
  font-size: 20px;
  color: #fff;
}
@media (max-width: 1320px) {
  .common_info1 .list li .title {
    font-size: 18px;
  }
}
@media (max-width: 640px) {
  .common_info1 .list li .title {
    font-size: 16px;
  }
}
.common_info1 .list li .text {
  padding: 0 25px;
  margin-top: 26px;
  line-height: 24px;
  color: #a4a4a4;
}
@media (max-width: 1320px) {
  .common_info1 .list li .text {
    padding: 0 15px;
    margin-top: 16px;
  }
}

.common_info2 {
  margin-top: 160px;
}
@media (max-width: 640px) {
  .common_info2 {
    margin-top: 20px;
  }
}
.common_info2 ul {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 70px;
}
@media (max-width: 1320px) {
  .common_info2 ul {
    gap: 15px;
  }
}
@media (max-width: 640px) {
  .common_info2 ul {
    grid-template-columns: repeat(1, 1fr);
    margin-top: 20px;
  }
}
.common_info2 ul li {
  border-radius: 15px;
  border: 1px solid #262626;
  position: relative;
}
.common_info2 ul li .info {
  position: absolute;
  width: 100%;
  top: 64px;
  left: 0;
  padding: 0 45px;
}
.common_info2 ul li .info .title {
  font-size: 24px;
  color: #fff;
}
.common_info2 ul li .info .text {
  margin-top: 26px;
  line-height: 30px;
  color: #a4a4a4;
}
@media (max-width: 1320px) {
  .common_info2 ul li .info {
    padding: 0 25px;
  }
  .common_info2 ul li .info .title {
    font-size: 20px;
    color: #fff;
  }
  .common_info2 ul li .info .text {
    margin-top: 20px;
    line-height: 24px;
  }
}
@media (max-width: 640px) {
  .common_info2 ul li .info {
    padding: 0 15px;
  }
  .common_info2 ul li .info .title {
    font-size: 16px;
  }
  .common_info2 ul li .info .text {
    font-size: 13px;
    margin-top: 15px;
    line-height: 20px;
  }
}
.common_info2 ul li:nth-child(1) {
  grid-column-start: auto;
  grid-row-start: auto;
  grid-column-end: span 2;
}
.common_info2 ul li:nth-child(1) .info {
  max-width: 465px;
}
@media (max-width: 640px) {
  .common_info2 ul li:nth-child(1) {
    grid-column-end: auto;
  }
}

.footer {
  margin-top: 130px;
  padding-bottom: 100px;
}
@media (max-width: 640px) {
  .footer {
    margin-top: 30px;
    padding-bottom: 30px;
  }
}
@media (max-width: 640px) {
  .footer .content {
    display: block;
  }
  .footer .content .foot_logo {
    display: block;
  }
  .footer .content .foot_logo img {
    margin: auto;
  }
}
.footer .content .foot_left .contact_method {
  padding-right: 15px;
  margin-top: 60px;
}
.footer .content .foot_left .contact_method .item {
  margin-bottom: 30px;
}
.footer .content .foot_left .contact_method .item p {
  font-size: 16px;
  color: #a4a4a4;
  margin-left: 30px;
  line-height: 22px;
}
@media (max-width: 640px) {
  .footer .content .foot_left .contact_method {
    padding-right: 15px;
    margin-top: 20px;
  }
  .footer .content .foot_left .contact_method .item {
    margin-bottom: 12px;
  }
  .footer .content .foot_left .contact_method .item p {
    font-size: 14px;
    margin-left: 10px;
  }
}
.footer .content .share {
  padding-top: 30px;
}
@media (max-width: 640px) {
  .footer .content .share {
    padding-top: 20px;
  }
}
.footer .content .share a {
  width: 35px;
  height: 35px;
  border-radius: 6px;
  background-color: #1a1a1a;
  margin-right: 20px;
}
.footer .content .copyright {
  padding-top: 80px;
  font-size: 16px;
  color: #a4a4a4;
}
.footer .content .copyright span {
  margin-right: 20px;
}
.footer .content .copyright span a{
  color: #a4a4a4;
}
@media (max-width: 640px) {
  .footer .content .copyright {
    padding-top: 40px;
    font-size: 14px;
    text-align: center;
  }
  .footer .content .copyright span {
    margin-right: 10px;
  }
}
.footer .foot_right {
  width: 400px;
}
.footer .foot_right .title {
  padding-bottom: 40px;
  font-size: 24px;
}
.footer .foot_right textarea, .footer .foot_right input {
  padding: 20px 10px;
  font-size: 16px;
  color: #a4a4a4;
  border-bottom: 1px solid #1a1a1a;
}
@media (max-width: 640px) {
  .footer .foot_right textarea, .footer .foot_right input {
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  }
}
.footer .foot_right textarea {
  min-height: 130px;
}
.footer .foot_right .submit {
  width: 150px;
  height: 50px;
  border-radius: 25px;
  border: 1px solid #fff;
  margin-top: 50px;
  font-size: 16px;
}
@media (max-width: 640px) {
  .footer .foot_right {
    padding-top: 40px;
    width: 100%;
  }
  .footer .foot_right .title {
    padding-bottom: 20px;
    font-size: 16px;
  }
  .footer .foot_right textarea, .footer .foot_right input {
    padding: 15px 10px;
  }
  .footer .foot_right .submit {
    width: 140px;
    height: 40px;
    margin: 30px auto 0;
    font-size: 15px;
  }
}
.footer .app_show {
  display: none;
}
@media (max-width: 640px) {
  .footer .app_show {
    display: block;
  }
  .footer .pc_show {
    display: none;
  }
}

.body .head_pc {
  background: transparent !important;
}
.body .head_pc.fixed {
  background: #fff !important;
}
.body .head_pc .nav li > a {
  color: #000 !important;
}

.company_info_1 .company_info_box {
  padding-top: 12.5rem;
  margin: 0;
  position: absolute;
  right: 19.6875rem;
  top: 0;
  width: 40.625rem;
}
@media (max-width: 1024px) {
  .company_info_1 .company_info_box {
    padding-top: 70px;
  }
}
@media (max-width: 640px) {
  .company_info_1 .company_info_box {
    padding-top: 30px;
    width: 90%;
    right: auto;
    left: 50%;
    top: 50%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.6);
    -webkit-transform: translate(-50%, -50%);
       -moz-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
         -o-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
  }
}
.company_info_1 .company_info_box .title {
  font-size: 3rem;
}
@media (max-width: 640px) {
  .company_info_1 .company_info_box .title {
    font-size: 16px;
    color: #fff;
    text-align: center;
  }
}
.company_info_1 .company_info_box .text {
  font-size: 1.25rem;
  line-height: 2.5rem;
  margin-top: 1.875rem;
}
@media (max-width: 640px) {
  .company_info_1 .company_info_box .text {
    font-size: 14px;
    line-height: 20px;
    margin-top: 16px;
    color: #fff;
  }
}

.company_info_2 {
  margin-top: 110px;
}
@media (max-width: 1320px) {
  .company_info_2 {
    margin-top: 80px;
  }
}
@media (max-width: 640px) {
  .company_info_2 {
    margin-top: 30px;
  }
}
.company_info_2 .list {
  margin-top: 66px;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1320px) {
  .company_info_2 .list {
    margin-top: 40px;
  }
}
@media (max-width: 640px) {
  .company_info_2 .list {
    margin-top: 30px;
    gap: 15px;
    grid-template-columns: repeat(2, 1fr);
  }
}
.company_info_2 .list li {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.company_info_2 .list li .b_mask {
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
}
.company_info_2 .list li .title_box {
  position: absolute;
  left: 0;
  bottom: 60px;
  width: 100%;
}
.company_info_2 .list li .title_box .title {
  font-size: 24px;
}
@media (max-width: 640px) {
  .company_info_2 .list li .title_box .title {
    font-size: 16px;
  }
}
.company_info_2 .list li .title_box .text {
  color: #a4a4a4;
  line-height: 30px;
  max-width: 324px;
  margin: 0 auto;
  opacity: 0;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
  height: 0;
}
@media (max-width: 640px) {
  .company_info_2 .list li .title_box .text {
    font-size: 12px;
    line-height: 18px;
    padding: 0 10px;
  }
}
.company_info_2 .list li .title_box:hover .text {
  opacity: 1;
  height: 30px;
  margin-top: 20px;
}

.company_info_4 {
  margin-top: 150px;
}
@media (max-width: 1320px) {
  .company_info_4 {
    margin-top: 100px;
  }
}
@media (max-width: 640px) {
  .company_info_4 {
    margin-top: 30px;
  }
}
.company_info_4 .box {
  margin-top: 70px;
}
@media (max-width: 640px) {
  .company_info_4 .box {
    margin-top: 30px;
    display: block;
  }
  .company_info_4 .box .w50 {
    width: 100%;
  }
}
.company_info_4 .culture_text {
  padding-left: 5rem;
}
@media (max-width: 640px) {
  .company_info_4 .culture_text {
    padding-left: 0;
    padding-top: 30px;
  }
}
.company_info_4 .culture_text .list {
  border-top: 1px solid #2b2b2b;
}
.company_info_4 .culture_text .list li {
  cursor: pointer;
  -webkit-flex: 1;
     -moz-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 34px 10px;
  border-bottom: 1px solid #2b2b2b;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
}
@media (max-width: 1320px) {
  .company_info_4 .culture_text .list li {
    padding: 28px 10px;
  }
}
@media (max-width: 1024px) {
  .company_info_4 .culture_text .list li {
    padding: 24px 10px;
  }
}
@media (max-width: 960px) {
  .company_info_4 .culture_text .list li {
    padding: 14px 10px;
  }
}
.company_info_4 .culture_text .list li .title {
  font-size: 24px;
}
.company_info_4 .culture_text .list li .text {
  font-size: 16px;
  color: #a4a4a4;
  margin-top: 24px;
  display: none;
  opacity: 0;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
}
@media (max-width: 1024px) {
  .company_info_4 .culture_text .list li .title {
    font-size: 20px;
  }
  .company_info_4 .culture_text .list li .text {
    font-size: 14px;
    margin-top: 20px;
    line-height: 20px;
  }
}
.company_info_4 .culture_text .list li.active {
  padding-top: 54px;
  padding-bottom: 45px;
}
.company_info_4 .culture_text .list li.active .text {
  display: block;
  opacity: 1;
}
@media (max-width: 1024px) {
  .company_info_4 .culture_text .list li.active {
    padding-top: 30px;
    padding-bottom: 20px;
  }
}

.company_info_5 {
  margin-top: 180px;
}
@media (max-width: 1320px) {
  .company_info_5 {
    margin-top: 140px;
  }
}
@media (max-width: 1024px) {
  .company_info_5 {
    margin-top: 100px;
  }
}
@media (max-width: 640px) {
  .company_info_5 {
    margin-top: 30px;
  }
}
.company_info_5 .box {
  margin-top: 80px;
}
@media (max-width: 1320px) {
  .company_info_5 .box {
    margin-top: 60px;
  }
}
@media (max-width: 960px) {
  .company_info_5 .box {
    line-height: 1.4;
  }
}
@media (max-width: 640px) {
  .company_info_5 .box {
    display: block;
    margin-top: 30px;
  }
  .company_info_5 .box .w50 {
    width: 100%;
  }
  .company_info_5 .box .right {
    padding-top: 30px;
  }
}
.company_info_5 .box .left {
  padding-top: 56px;
  padding-right: 7.5rem;
}
@media (max-width: 1024px) {
  .company_info_5 .box .left {
    padding-top: 30px;
    padding-right: 20px;
  }
}
@media (max-width: 640px) {
  .company_info_5 .box .left {
    padding-top: 0;
    padding-right: 0;
  }
}
.company_info_5 .box .left .title {
  font-size: 24px;
}
.company_info_5 .box .left .ul {
  margin-top: 66px;
}
.company_info_5 .box .left .ul li {
  font-size: 18px;
  color: #fff;
  margin-bottom: 44px;
}
.company_info_5 .box .left .ul li:last-child {
  margin-bottom: 0;
}
.company_info_5 .box .left .ul li p {
  margin-left: 15px;
}
@media (max-width: 1320px) {
  .company_info_5 .box .left .title {
    font-size: 18px;
  }
  .company_info_5 .box .left .ul {
    margin-top: 40px;
  }
  .company_info_5 .box .left .ul li {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .company_info_5 .box .left .ul li p {
    margin-left: 10px;
  }
}
@media (max-width: 640px) {
  .company_info_5 .box .left .title {
    font-size: 16px;
  }
  .company_info_5 .box .left .ul {
    margin-top: 20px;
  }
}

.bg_main {
  background: url(../images/bg2.png) 0 180px no-repeat;
}

.company_info_6 {
  margin-top: 120px;
  height: 450px;
  background: url(../images/bg3.png) right center no-repeat;
  -o-background-size: cover;
     background-size: cover;
}
.company_info_6 p {
  font-size: 24px;
  line-height: 40px;
  max-width: 1032px;
  color: #fff;
}
@media (max-width: 1190px) {
  .company_info_6 p {
    font-size: 20px;
    line-height: 30px;
  }
}
@media (max-width: 640px) {
  .company_info_6 p {
    font-size: 15px;
    line-height: 24px;
    padding: 0 15px;
  }
}
@media (max-width: 1190px) {
  .company_info_6 {
    height: 400px;
    margin-top: 60px;
  }
}
@media (max-width: 640px) {
  .company_info_6 {
    height: 240px;
    margin-top: 30px;
  }
}

.body_company .head_pc {
  padding-left: 19.375rem;
  padding-right: 19.375rem;
}
.body_company .head_pc .wrap {
  width: 100% !important;
}

.project_banner {
  padding-top: 0;
}
.project_banner .bannerimg {
  margin-top: 0;
}
@media (max-width: 640px) {
  .project_banner .bannerimg1 {
    height: 400px;
  }
}
.project_banner .banner_info {
  top: 15.625rem;
}
.project_banner .banner_info h3 {
  font-size: clamp(20px, 3rem, 48px);
  line-height: 1.3;
}
.project_banner .banner_info .sub {
  max-width: 850px;
  margin: 3.625rem auto 0;
  font-size: clamp(15px, 1.25rem, 20px);
  line-height: clamp(24px, 2.5rem, 40px);
}
@media (max-width: 1024px) {
  .project_banner .banner_info {
    padding-left: 25px;
    padding-right: 25px;
  }
}

.project_section_1 {
  padding-top: 20px;
}
.project_section_1 .list {
  margin-top: 70px;
  grid-template-columns: repeat(2, 1fr);
  row-gap: 30px;
  -webkit-column-gap: 40px;
     -moz-column-gap: 40px;
          column-gap: 40px;
}
@media (max-width: 640px) {
  .project_section_1 .list {
    grid-template-columns: repeat(1, 1fr);
  }
}
.project_section_1 .list li {
  cursor: pointer;
  padding: 4.375rem 3.125rem 3.125rem 5rem;
  border: 1px solid #2b2b2b;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
  border-radius: 16px;
}
@media (max-width: 1320px) {
  .project_section_1 .list li {
    padding: 28px 10px;
  }
}
@media (max-width: 1024px) {
  .project_section_1 .list li {
    padding: 24px 10px;
  }
}
@media (max-width: 960px) {
  .project_section_1 .list li {
    padding: 14px 10px;
  }
}
.project_section_1 .list li .title {
  font-size: 24px;
}
.project_section_1 .list li .text {
  font-size: 16px;
  color: #a4a4a4;
  line-height: 30px;
  margin-top: 30px;
  max-width: 340px;
}
.project_section_1 .list li .info {
  margin-left: 4.375rem;
}
@media (max-width: 1024px) {
  .project_section_1 .list li .title {
    font-size: 20px;
  }
  .project_section_1 .list li .text {
    font-size: 14px;
    margin-top: 20px;
    line-height: 20px;
  }
}

.project_section_2 {
  margin-top: 120px;
  padding-top: 0;
  padding-bottom: 0;
  background: transparent;
}
@media (max-width: 640px) {
  .project_section_2 {
    margin-top: 30px;
  }
}

.project_section_3 {
  margin-top: 120px;
}
@media (max-width: 640px) {
  .project_section_3 {
    margin-top: 30px;
  }
}
.project_section_3 .box {
  margin-top: 70px;
}
@media (max-width: 640px) {
  .project_section_3 .box {
    margin-top: 30px;
    display: block;
  }
  .project_section_3 .box .w50 {
    width: 100%;
  }
}
.project_section_3 .box .right {
  padding-left: 5rem;
}
@media (max-width: 640px) {
  .project_section_3 .box .right {
    padding-top: 20px;
    padding-left: 0;
  }
}
.project_section_3 .box .right ul li {
  padding: 30px 0px 30px 20px;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
  border-bottom: 1px solid #2a2a2a;
  cursor: pointer;
}
@media (max-width: 640px) {
  .project_section_3 .box .right ul li {
    padding: 20px 10px !important;
  }
}
.project_section_3 .box .right ul li .num {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: #fff;
  font-size: 18px;
  margin-right: 24px;
}
@media (max-width: 640px) {
  .project_section_3 .box .right ul li .num {
    font-size: 16px;
    width: 36px;
    height: 36px;
    margin-right: 15px;
  }
}
.project_section_3 .box .right ul li .text {
  font-size: 18px;
  color: #fff;
  line-height: 22px;
  -webkit-flex: 1;
     -moz-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
@media (max-width: 640px) {
  .project_section_3 .box .right ul li .text {
    font-size: 16px;
  }
}
.project_section_3 .box .right ul li.active {
  padding-top: 35px;
  background-color: #fff;
}
.project_section_3 .box .right ul li.active .num {
  color: #fff;
  background-color: #000;
}
.project_section_3 .box .right ul li.active .text {
  color: #000;
}

.project_section_4 {
  background-image: url(../images/banner3.png);
}

.project_two_1 {
  margin-top: 0;
}

.project_two_2 {
  margin-top: 80px;
}
@media (max-width: 640px) {
  .project_two_2 {
    margin-top: 20px;
  }
}

.project_two_4 {
  background-image: url(../images/p19.png);
}

.project_two_3 {
  margin-top: 100px;
}
@media (max-width: 640px) {
  .project_two_3 {
    margin-top: 30px;
  }
}
.project_two_3 .list {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 70px;
}
@media (max-width: 640px) {
  .project_two_3 .list {
    margin-top: 30px;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
}
.project_two_3 .list li {
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
  cursor: pointer;
  border-radius: 20px;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-direction: column;
     -moz-box-orient: vertical;
     -moz-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.project_two_3 .list li .info {
  -webkit-flex: 1;
     -moz-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 30px 2.8125rem 40px;
  background-color: #232323;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}
@media (max-width: 640px) {
  .project_two_3 .list li .info {
    padding: 20px 15px;
  }
}
.project_two_3 .list li .info .title {
  font-size: 24px;
  color: #fff;
  margin-bottom: 16px;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
}
@media (max-width: 640px) {
  .project_two_3 .list li .info .title {
    font-size: 18px;
  }
}
.project_two_3 .list li .info .text {
  line-height: 24px;
  color: #a4a4a4;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  -moz-transition: all 0.5s;
  transition: all 0.5s;
}
.project_two_3 .list li .poster_box {
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}
.project_two_3 .list li:hover .info {
  background-color: #fff;
}
.project_two_3 .list li:hover .info .text, .project_two_3 .list li:hover .info .title {
  color: #000;
}