* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, SF UI Text, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;
}
@font-face {
  font-family: 'PxGroteskRegular';
  src: url('../PxGroteskRegular.otf');
}
a {
  text-decoration: none;
  color: #000;
}
a:hover {
  text-decoration: none;
}
a,
button,
input,
select,
textarea,
img,
label {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
  outline: medium none;
}
input::-moz-focus-inner {
  border: none;
  padding: 0;
}
input,
textarea {
  color: #fff;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
  font-size: 0.16rem;
}
img {
  display: block;
}
body::-webkit-scrollbar {
  display: none;
}
#index {
  padding-top: 1rem;
}
#index .nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 1rem;
  z-index: 15;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
}
#index .nav .logo {
  height: 0.5rem;
  display: flex;
  align-items: center;
}
#index .nav .logo img {
  width: 2.48rem;
}
#index .nav .nav_list {
  display: flex;
  align-items: center;
}
#index .nav .nav_list .nav_item {
  position: relative;
  line-height: 0.8rem;
  margin-right: 0.4rem;
  color: #3D3D3D;
  font-weight: 500;
  font-size: 0.2rem;
  font-family: STHeitiSC-Light;
  cursor: pointer;
  transition: 0.2s all linear;
}
#index .nav .nav_list .nav_item a {
  color: #3D3D3D;
  font-size: 0.2rem;
}
#index .nav .nav_list .nav_item:last-child {
  margin-right: 0;
}
#index .nav .nav_list .nav_item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 100%;
  width: 0;
  height: 100%;
  border-bottom: 2px solid #fff;
  transition: 0.2s all linear;
}
#index .nav .nav_list .nav_item:hover::before {
  width: 0.2rem;
  top: 0;
  left: 50%;
  transform: translate(-50%, 0);
  transition-delay: 0.1s;
  border-bottom-color: #fff;
  z-index: -1;
}
#index .nav .nav_list .nav_item:hover ~ .nav_item::before {
  left: 50%;
  transform: translate(-50%, 0);
}
#index .nav .nav_list .nav_item.active::before {
  width: 0.2rem;
  left: 50%;
  transform: translate(-50%, 0);
  border-bottom-color: #fff;
}
#index .mian {
  padding: 1rem 0;
}
#index .mian .introduction {
  height: 3.8rem;
  display: flex;
  align-items: flex-start;
  padding-left: 1rem;
}
#index .mian .introduction .title {
  font-size: 0.36rem;
  font-weight: 600;
  color: #3D3D3D;
  flex-shrink: 0;
  margin-left: 0.76rem;
}
#index .mian .introduction .info p {
  width: 7.38rem;
  font-size: 0.2rem;
  font-weight: 400;
  line-height: 2;
  cursor: pointer;
  color: #9fa0a0;
  transition: all 0.3s ease;
  text-align: justify;
}
#index .mian .introduction .info p:first-child {
  margin-top: 0;
}
#index .mian .introduction .info p:hover {
  color: #000;
}
#index .mian .case {
  height: 6.72rem;
  width: 100%;
  display: flex;
  align-items: center;
  background: #F2F2F2;
  position: relative;
}
#index .mian .case .case_right_left {
  width: 7.2rem;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
}
#index .mian .case .case_right_left .info {
  position: relative;
  z-index: 15;
  width: 4.76rem;
}
#index .mian .case .case_right_left .info .top {
  display: flex;
  align-items: flex-end;
  margin-bottom: 0.12rem;
}
#index .mian .case .case_right_left .info .top.mt {
  margin-top: 0.6rem;
}
#index .mian .case .case_right_left .info .top .number {
  font-size: 0.8rem;
  font-weight: 400;
  color: #ffffff;
  margin-right: 0.1rem;
  font-family: PxGroteskRegular;
}
#index .mian .case .case_right_left .info .top .h4 {
  font-size: 0.4rem;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 0.2rem;
}
#index .mian .case .case_right_left .info .lable {
  font-size: 0.24rem;
  font-weight: 400;
  color: #ffffff;
  line-height: 2;
}
#index .mian .case .case_right_right {
  width: calc(100vw - 7.2rem);
  height: 100%;
  background: rgba(13, 13, 13, 0.8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#index .mian .case .case_right_right .line {
  width: calc(33.3% - 0.06rem);
  height: 100%;
  overflow: hidden;
  position: relative;
}
#index .mian .case .case_right_right .line .box {
  position: absolute;
  left: 0;
  top: 0;
}
#index .mian .case .case_right_right .line .line_img {
  width: 100%;
  height: 100%;
  margin-bottom: 0.1rem;
  object-fit: cover;
}
#index .mian .case #creativity {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100vw;
  height: 1rem;
}
#index .mian .example .title {
  padding: 0.9rem 1rem 0.88rem;
  font-size: 0.36rem;
  font-weight: 800;
  color: #3D3D3D;
}
#index .mian .example .main {
  display: flex;
  align-items: center;
  padding-bottom: 0.8rem;
}
#index .mian .example .main .main_left {
  width: 3.58rem;
  height: 5.6rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: column;
  padding-left: 1rem;
}
#index .mian .example .main .main_left p {
  font-weight: 400;
  font-size: 0.26rem;
  color: #3D3D3D;
  cursor: pointer;
  white-space: nowrap;
}
#index .mian .example .main .main_left p.active {
  font-weight: bold;
}
#index .mian .example .main .swiper {
  height: 5.6rem;
  overflow: hidden;
}
#index .mian .example .main .main_right {
  display: flex;
  align-items: center;
  width: 100%;
}
#index .mian .example .main .main_right .main_right_left img {
  width: 9.5rem;
  height: 5.6rem;
}
#index .mian .example .main .main_right .main_right_right {
  width: 4.52rem;
  margin-left: 0.86rem;
  height: 5.6rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: column;
}
#index .mian .example .main .main_right .main_right_right .item {
  margin-bottom: 0.1rem;
}
#index .mian .example .main .main_right .main_right_right .item h2 {
  font-size: 0.24rem;
  font-weight: bold;
  color: #3D3D3D;
}
#index .mian .example .main .main_right .main_right_right .item p {
  font-size: 0.2rem;
  font-weight: 400;
  color: #3D3D3D;
  line-height: 1.5;
  margin-top: 0.1rem;
}
#index .mian .brand {
  display: flex;
  background: #F2F2F2;
}
#index .mian .brand .brand_right .brand_right_title {
  padding: 0.9rem 0 0.44rem 1rem;
  font-size: 0.36rem;
  font-weight: 800;
  color: #3D3D3D;
}
#index .mian .brand .brand_right .brand_right_lable {
  padding: 0 0 0.52rem 1rem;
  font-size: 0.24rem;
  font-weight: 400;
  color: #3D3D3D;
  line-height: 2;
}
#index .mian .brand .brand_right .brand_right_list {
  padding: 0 1rem 0.96rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
#index .mian .brand .brand_right .brand_right_list img {
  width: 2.6rem;
  height: 1.4rem;
  margin-bottom: 0.3rem;
  cursor: pointer;
  filter: grayscale(100%);
}
#index .mian .brand .brand_right .brand_right_list img:hover {
  filter: grayscale(0);
}
#index .mian .service {
  padding-left: 1rem;
  position: relative;
}
#index .mian .service .service_title {
  padding: 0.68rem 0 0.58rem 0;
  font-size: 0.36rem;
  font-weight: 800;
  color: #3D3D3D;
}
#index .mian .service .service_list {
  padding: 0 1rem 0.8rem 0;
}
#index .mian .service .service_list .item {
  margin-bottom: 0.64rem;
}
#index .mian .service .service_list .item:last-child {
  margin-bottom: 0;
}
#index .mian .service .service_list .item h2 {
  font-size: 0.26rem;
  font-weight: 800;
  color: #3D3D3D;
}
#index .mian .service .service_list .item p {
  font-size: 0.24rem;
  font-weight: 400;
  color: #3D3D3D;
  line-height: 2;
  margin-top: 0.2rem;
}
#index .mian .service #team {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100vw;
  height: 1rem;
}
#index .mian .join {
  background: #F2F2F2;
  padding-bottom: 0.56rem;
}
#index .mian .join .join_right {
  padding-top: 0.8rem;
  padding: 0.9rem 0 0 1rem;
}
#index .mian .join .join_right .join_right_title {
  width: 3.24rem;
  margin-bottom: 0.6rem;
}
#index .mian .join .join_right .join_right_lable {
  padding: 0 0 0.52rem 0;
  font-size: 0.45rem;
  font-weight: bold;
  color: #3D3D3D;
}
#index .mian .join .join_right h3 {
  font-size: 0.2rem;
  font-weight: 400;
  color: #3D3D3D;
  line-height: 2;
  margin-bottom: 0.44rem;
}
#index .mian .middle {
  width: 100%;
}
#index .mian .btn_box {
  display: flex;
  align-items: center;
  width: 2.36rem;
  height: 0.68rem;
  border: 1px solid #3D3D3D;
  margin-left: 1rem;
}
#index .mian .btn_box .btn {
  font-size: 0.2rem;
  line-height: 0.68rem;
  color: #3D3D3D;
  width: 1.7rem;
  text-align: center;
  border-right: 1px solid #3D3D3D;
}
#index .mian .btn_box .right {
  width: 0.66rem;
  height: 0.68rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
#index .mian .btn_box .right img {
  width: 0.24rem;
  height: 0.24rem;
}
#index .mian .contact {
  display: flex;
  padding-bottom: 1.2rem;
  position: relative;
}
#index .mian .contact #contact {
  position: absolute;
  left: 0;
  top: -1rem;
  width: 100vw;
  height: 1rem;
}
#index .mian .contact .contact_left {
  width: 1rem;
  flex-shrink: 0;
}
#index .mian .contact .contact_right .contact_right_title {
  padding: 1.2rem 0 0.24rem 0;
  font-size: 0.36rem;
  font-weight: 800;
  color: #3D3D3D;
}
#index .mian .contact .contact_right .contact_right_lable {
  padding: 0 0 0.74rem 0;
  font-size: 0.2rem;
  font-weight: 400;
  color: #3D3D3D;
}
#index .mian .contact .contact_right .contact_right_info {
  padding: 0 0 0 0;
  font-size: 0.2rem;
  font-weight: 400;
  color: #3D3D3D;
  line-height: 2.5;
}
#index .mian .contact .contact_right .sub_box .top {
  width: 11rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 0;
}
#index .mian .contact .contact_right .sub_box .top div {
  padding-top: 0.8rem;
}
#index .mian .contact .contact_right .sub_box .top div input {
  display: block;
  width: 4.8rem;
  height: 0.46rem;
  line-height: 0.46rem;
  font-size: 0.2rem;
  padding: 0 0.1rem;
  border: none;
  color: #3D3D3D;
  border-bottom: 1px solid #3D3D3D;
}
#index .mian .contact .contact_right .sub_box .msg {
  padding-top: 0.8rem;
  padding-left: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
#index .mian .contact .contact_right .sub_box .msg textarea {
  resize: none;
  display: block;
  width: 4.8rem;
  height: 1.8rem;
  line-height: 0.46rem;
  font-size: 0.2rem;
  color: #3D3D3D;
  padding: 0 0.1rem;
  outline: none;
  border: 0;
  border-bottom: 1px solid #3D3D3D;
}
#index .mian .contact .contact_right .sub_box .sub_btn {
  width: 2.95rem;
  height: 0.85rem;
  line-height: 0.85rem;
  color: #fff;
  text-align: center;
  font-size: 0.27rem;
  margin: 0.4rem 1rem 0;
  cursor: pointer;
  border: 1px solid #3D3D3D;
  color: #3D3D3D;
}
#index footer {
  height: 1.8rem;
  width: 100%;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #333333;
  z-index: 100;
  position: relative;
}
#index footer p {
  font-size: 0.2rem;
  color: #6A6A6A;
}
#index footer a {
  font-size: 0.2rem;
  color: #6A6A6A;
}
#index .alert-box {
  width: 100vw;
  height: 0;
  position: fixed;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.15);
  z-index: 20;
  opacity: 0;
}
#index .alert-box .alert {
  transition: all 0.5s;
  width: 6rem;
  height: 3rem;
  background: #fff;
  position: fixed;
  left: 50%;
  top: 100%;
  transform: translate(-50%, -50%);
  border-radius: 0.1rem;
}
#index .alert-box .alert .alert_title {
  font-size: 0.36rem;
  color: #333;
  text-align: center;
  margin-top: 0.4rem;
}
#index .alert-box .alert .alert_main {
  font-size: 0.28rem;
  color: #2C2E37;
  text-align: center;
  margin-top: 0.4rem;
}
#index .alert-box .alert .alert_btn {
  width: 1.26rem;
  height: 0.58rem;
  line-height: 0.58rem;
  background: #EBEBEB;
  color: #4A4A4A;
  font-size: 0.2rem;
  text-align: center;
  margin: 0.44rem auto 0;
  cursor: pointer;
}
#index .loading {
  width: 100vw;
  height: 0;
  position: fixed;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.05);
  z-index: 20;
  opacity: 0;
}
#index .loading img {
  width: 4rem;
  height: 4rem;
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: none;
}