* {
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.banner-inner, .intor-inner, .step-inner, .advantage-inner, .success-inner, .source-inner, .start-inner {
  width: 1200px;
  margin: 0 auto;
  height: 100%;
}

.intor-inner .title, .step-inner .title, .advantage-inner .title, .source-inner .title {
  text-align: center;
  margin-bottom: 60px;
}

.intor-inner .title .main_title, .step-inner .title .main_title, .advantage-inner .title .main_title, .source-inner .title .main_title {
  color: #222222;
  font-size: 36px;
  font-weight: bold;
  position: relative;
}

.intor-inner .title .main_title span, .step-inner .title .main_title span, .advantage-inner .title .main_title span, .source-inner .title .main_title span {
  color: #ea1447;
}

.intor-inner .title .main_title:after, .step-inner .title .main_title:after, .advantage-inner .title .main_title:after, .source-inner .title .main_title:after {
  content: "";
  display: block;
  width: 25px;
  height: 3px;
  background: #ea1447;
  position: absolute;
  bottom: -52px;
  left: calc(50% - 28.5px);
}

.intor-inner .title .sub_title, .step-inner .title .sub_title, .advantage-inner .title .sub_title, .source-inner .title .sub_title {
  position: relative;
  font-size: 18px;
  color: #666666;
  line-height: 44px;
}

.intor-inner .title .sub_title:after, .step-inner .title .sub_title:after, .advantage-inner .title .sub_title:after, .source-inner .title .sub_title:after {
  content: "";
  display: block;
  width: 25px;
  height: 3px;
  background: #ea1447;
  position: absolute;
  bottom: -8px;
  left: calc(50% + 4.5px);
}

.banner {
  width: 100%;
  height: 620px;
  background: url(/dian/images/bannerbg.png) no-repeat #190705;
  background-size: 100% 100%;
}

.banner-inner {
  padding-top: 90px;
  overflow: hidden;
}

.banner-inner-left .in_mall {
  font-size: 122px;
  color: #ffffff;
  opacity: 0.2;
  font-weight: bold;
}

.banner-inner-left .extension {
  font-size: 48px;
  color: #ffffff;
  font-weight: bold;
}

.banner-inner-left .into {
  font-size: 20px;
  color: #ffffff;
  opacity: 0.9;
}

.banner-inner-left .into span {
  position: relative;
  display: inline-block;
}

.banner-inner-left .into span::after {
  content: "";
  display: block;
  width: 32px;
  height: 6px;
  background: url(/dian/images/line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
}

.banner-inner-left .dream {
  background: #ea1447;
  color: #ffffff;
  font-size: 18px;
  width: 223px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  margin: 20px 0 40px 0;
}

.banner-inner-left .btns {
  margin-bottom: 50px;
  width: 310px;
  position: relative;
}

.banner-inner-left .btns::after {
  content: "";
  display: block;
  width: 35px;
  height: 3px;
  background: #fff;
  opacity: 0.2;
  position: absolute;
  bottom: -40px;
}

.banner-inner-left .btns a {
  display: inline-block;
  width: 142px;
  height: 40px;
  font-size: 18px;
  line-height: 40px;
  color: #ffffff;
  border-radius: 5rem;
  border: 1px solid #ffffff;
  text-align: center;
  transition: all 0.5s;
}

.banner-inner-left .btns a:hover {
  background: #ea1447;
}

.banner-inner-left .btns a:first-child {
  margin-right: 25px;
}

.banner-inner-left .help {
  width: 300px;
  font-size: 14px;
  font-weight: bold;
  color: #ffffff;
  opacity: 0.3;
  line-height: 24px;
}

.banner-inner-right {
  width: 668px;
  padding-left: 96px;
}

.banner-inner-right img {
  box-shadow: 0 5px 5px rgba(0, 0, 0, 0.3);
  float: left;
}

.banner-inner-right img:nth-child(1), .banner-inner-right img:nth-child(2) {
  margin-left: 0;
  margin-top: 61px;
}

.banner-inner-right img:nth-child(2) {
  margin-left: 60px;
}

.banner-inner-right img:nth-child(3) {
  margin-left: 137px;
  margin-top: -514px;
}

.intor {
  width: 100%;
  height: 1145px;
  background: #ffffff;
}

.intor-inner {
  padding: 60px 0;
}

.intor-inner-content {
  padding-bottom: 60px;
  height: 100%;
}

.intor-inner-content .intor-item {
  width: 540px;
  height: 455px;
  background: #ffffff;
}

.intor-inner-content .intor-item .title {
  text-align: left;
  color: #666666;
  font-size: 16px;
  margin-bottom: 15px;
  padding-left: 40px;
  position: relative;
}

.intor-inner-content .intor-item .title::before {
  content: "";
  display: block;
  width: 30px;
  height: 4px;
  border-radius: 5px;
  background: #ea1447;
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -2px;
}

.intor-inner-content .intor-item .main_title {
  font-size: 26px;
  color: #222222;
  font-weight: bold;
  margin-bottom: 40px;
}

.intor-inner-content .intor-item .sub_title {
  font-size: 16px;
  color: #666666;
  margin-bottom: 20px;
}

.intor-inner-content .intor-item .content {
  width: 375px;
  height: 116px;
  background: #f6f6f6;
  border-radius: 5px;
  overflow: hidden;
}

.intor-inner-content .intor-item .content.height {
  height: 227px;
  padding: 0;
}

.intor-inner-content .intor-item .content.height .content-item {
  padding-top: 10px;
}

.intor-inner-content .intor-item .content.height .content-item.low {
  padding-top: 10px;
}

.intor-inner-content .intor-item .content.height .content-item:last-child {
  cursor: pointer;
}

.intor-inner-content .intor-item .content.height .content-item:last-child p {
  color: #ea1447;
}

.intor-inner-content .intor-item .content-item {
  width: 125px;
  height: 116px;
  padding: 20px 0;
  text-align: center;
}

.intor-inner-content .intor-item .content-item p {
  margin-top: 15px;
  color: #222222;
  font-size: 16px;
  font-size: 600;
}

.intor-inner-content .intor-item1 {
  width: 660px;
  background: #ffffff;
  height: 455px;
}

.intor-inner-content .intor-item1 .title {
  text-align: right;
  color: #666666;
  font-size: 16px;
  margin-bottom: 15px;
  position: relative;
}

.intor-inner-content .intor-item1 .title::before {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  border-radius: 5px;
  background: #ea1447;
  position: absolute;
  bottom: -7px;
  right: 3px;
}

.intor-inner-content .intor-item1 .img1 {
  width: 363px;
  height: 361px;
  overflow: hidden;
}

.intor-inner-content .intor-item1 .img1 img {
  width: 100%;
  height: 100%;
}

.intor-inner-content .intor-item1 .img2 {
  margin-top: -330px;
  margin-left: 330px;
}

.intor-inner-content .intor-item1 .img2 img {
  width: 351px;
  height: 316px;
}

.intor-inner-content .intor-item2 {
  width: 660px;
  background: #ffffff;
  height: 455px;
}

.step {
  width: 100%;
  height: 435px;
  background: url(/dian/images/step_bg.png) #302625;
}

.step-inner {
  padding: 60px 0;
}

.step-inner .title .main_title {
  color: #ffffff;
}

.step-inner .title .sub_title {
  color: #ffffff;
}

.step-inner .title .sub_title span {
  color: #fffc00;
}

.step-inner .step-content {
  text-align: center;
}

.step-inner .step-content-item {
  padding: 30px 0px;
  width: 132px;
  height: 143px;
  background: rgba(0, 0, 0, 0.3);
  margin-right: 35px;
  position: relative;
  transition: all 0.5s;
}

.step-inner .step-content-item:not(:first-child) {
  margin-left: 10px;
}

.step-inner .step-content-item:last-child {
  margin-right: 0;
}

.step-inner .step-content-item:last-child::after {
  display: none;
}

.step-inner .step-content-item p {
  font-size: 16px;
  color: #ffffff;
  margin-top: 35px;
}

.step-inner .step-content-item:after {
  content: "";
  width: 45px;
  height: 35px;
  display: block;
  position: absolute;
  background: url(/dian/images/step_arrow.png) no-repeat;
  background-position: 50% 50%;
  right: -45px;
  top: 50%;
  margin-top: -17.25px;
}

.step-inner .step-content-item:hover {
  background: #ea1447;
}

.advantage {
  width: 100%;
  height: 855px;
  background: url(/dian/images/advantage_bg.png) no-repeat;
  background-size: 100% 100%;
}

.advantage-inner {
  padding: 60px 0;
}

.advantage .advantage-content {
  margin: 0 auto;
  width: 1120px;
  height: 577px;
  padding-bottom: 55px;
  background: url(/dian/images/advantage_bg1.png) no-repeat;
  background-position: 100% 100%;
}

.advantage .advantage-content-inner {
  padding: 45px 0;
  width: 1066px;
  height: 553px;
  background: #ffffff;
  box-shadow: -5px -5px 20px rgba(0, 0, 0, 0.1);
  position: relative;
}

.advantage .advantage-content-inner .inner-left {
  width: 408px;
  height: 100%;
  text-align: right;
}

.advantage .advantage-content-inner .inner-left .high {
  padding: 14px 50px 14px 0;
}

.advantage .advantage-content-inner .inner-left h1 {
  font-size: 36px;
  font-weight: bold;
  color: #ea1447;
  margin-bottom: 70px;
}

.advantage .advantage-content-inner .inner-left p {
  font-size: 18px;
  color: #222222;
  margin-bottom: 18px;
  padding-right: 50px;
  position: relative;
}

.advantage .advantage-content-inner .inner-left p::after {
  content: "";
  display: block;
  height: 33px;
  width: 33px;
  background: url(/dian/images/select_icon.png) no-repeat;
  position: absolute;
  right: 0;
  top: 50%;
  margin-top: -16.5px;
}

.advantage .advantage-content-inner .inner-left p:last-child {
  margin: 0;
}

.advantage .advantage-content-inner .inner-left p span {
  color: #ea1447;
  font-weight: bold;
}

.advantage .advantage-content-inner .inner-center {
  width: 250px;
  height: 100%;
  text-align: center;
  position: relative;
}

.advantage .advantage-content-inner .inner-center h1 {
  font-size: 36px;
  font-weight: bold;
  color: #ea1447;
  margin-bottom: 70px;
}

.advantage .advantage-content-inner .inner-center p {
  width: 112px;
  height: 51px;
  text-align: center;
  line-height: 51px;
  border-radius: 5px;
  color: #ffffff;
  font-size: 20px;
  background: #ea1447;
  margin: 20px auto;
  position: relative;
}

.advantage .advantage-content-inner .inner-center p::before {
  content: "-------";
  display: block;
  color: #ea1447;
  height: 1px;
  width: 61px;
  position: absolute;
  left: -65px;
  top: -2px;
}

.advantage .advantage-content-inner .inner-center p::after {
  content: "-------";
  display: block;
  color: #666666;
  height: 1px;
  width: 61px;
  position: absolute;
  right: -65px;
  top: -2px;
}

.advantage .advantage-content-inner .inner-right {
  width: 408px;
  height: 100%;
}

.advantage .advantage-content-inner .inner-right h1 {
  font-size: 36px;
  font-weight: bold;
  color: #222222;
  margin-bottom: 70px;
}

.advantage .advantage-content-inner .inner-right P {
  font-size: 18px;
  margin-bottom: 18px;
  padding-left: 50px;
  position: relative;
  color: #666666;
}

.advantage .advantage-content-inner .inner-right P::after {
  content: "";
  display: block;
  height: 33px;
  width: 33px;
  background: url(/dian/images/close-icon.png) no-repeat;
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -16.5px;
}

.success {
  width: 100%;
  height: 815px;
  background: #ffffff;
  padding: 69px 0 71px;
}

.success-inner-left {
  width: 525px;
  height: 675px;
}

.success-inner-left .title h1 {
  font-size: 36px;
  color: #222222;
}

.success-inner-left .title h1 span {
  color: #ea1447;
}

.success-inner-left .title p {
  font-size: 18px;
  color: #666666;
  margin: 24px 0 32px;
  position: relative;
}

.success-inner-left .title p::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  border-radius: 5px;
  background: #ea1447;
  position: absolute;
  bottom: -32px;
  left: 0;
}

.success-inner-left .left-content {
  height: 482px;
  width: 100%;
  padding-top: 116px;
}

.success-inner-left .left-content .hoverclass {
  background: #ea1447;
}

.success-inner-left .left-content .hoverclass::after {
  content: "";
  display: block;
  width: 297px;
  height: 13px;
  background: url(/dian/images/ququ-xian.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  right: -297px;
  z-index: 99;
  top: 50%;
  margin-top: -6.5px;
}

.success-inner-left .left-content div {
  width: 164px;
  height: 47px;
  line-height: 47px;
  border-radius: 5px;
  background: #696b70;
  color: #ffffff;
  font-size: 18px;
  text-align: center;
  margin-bottom: 19px;
  transition: all 0.3s;
  position: relative;
}

.success-inner-left .left-content div:hover::after {
  content: "";
  display: block;
  width: 297px;
  height: 13px;
  background: url(/dian/images/ququ-xian2.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  right: -297px;
  z-index: 99;
  top: 50%;
  margin-top: -6.5px;
}

.success-inner-left .left-bottom {
  font-size: 16px;
  font-weight: bold;
  color: #222222;
}

.success-inner-left .left-bottom .icon-zuanshi {
  display: inline-block;
  width: 24px;
  height: 18px;
  background: url(/dian/images/zuanshi.png) no-repeat;
  background-size: 100% 100%;
}

.success-inner-right {
  width: 675px;
  height: 675px;
  background: #40c0ff;
  position: relative;
}

.success-inner-right::before {
  content: "";
  display: block;
  width: 92px;
  height: 266px;
  position: absolute;
  left: -72px;
  top: 50%;
  margin-top: -133px;
  background: url(/dian/images/right-sqr.png) no-repeat;
  background-size: 100% 100%;
}

.success-inner-right .group-one, .success-inner-right .group-two, .success-inner-right .group-three {
  width: 100%;
  height: 100%;
  display: none;
}

.success-inner-right .group-one .fl, .success-inner-right .group-two .fl, .success-inner-right .group-three .fl {
  width: 50%;
  height: 50%;
  border: 1px solid #ffffff;
  overflow: hidden;
  transition: all 0.3s;
}

.success-inner-right .group-one .fl:hover, .success-inner-right .group-two .fl:hover, .success-inner-right .group-three .fl:hover {
  transform: scale(1.1);
}

.source {
  width: 100%;
  height: 760px;
  background: #f7f7f7;
}

.source-inner {
  height: 100%;
  padding: 60px 0;
}

.source-inner .title {
  margin-bottom: 50px;
}

.source-inner .source-content {
  width: 100%;
}

.source-inner .source-content .source-left {
  width: 530px;
  height: 460px;
  border: 5px solid #ea1447;
  margin-right: 65px;
  position: relative;
}

.source-inner .source-content .source-left img {
  margin-top: 25px;
  margin-left: -25px;
}

.source-inner .source-content .source-left a {
  display: block;
  width: 200px;
  height: 56px;
  text-align: center;
  line-height: 56px;
  color: #ffffff;
  background: #ea1447;
  background: linear-gradient(to left, #f83f48, #f3285e);
  position: absolute;
  left: 25%;
  bottom: -7px;
  z-index: 99;
  font-size: 20px;
  padding-left: 25px;
  transition: all 0.3s;
}

.source-inner .source-content .source-left a .kefu-icon {
  display: block;
  width: 25px;
  height: 25px;
  background: url(/dian/images/kefu-icon.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  left: 20%;
  top: 50%;
  margin-top: -12.5px;
}

.source-inner .source-content .source-left a:hover {
  transform: translateY(-2px);
}

.source-inner .source-content .source-right {
  width: 605px;
}

.source-inner .source-content .source-right .s-item h1 {
  font-size: 20px;
  color: #222222;
  line-height: 20px;
  margin-bottom: 30px;
}

.source-inner .source-content .source-right .s-item h1 .build-icon {
  display: inline-block;
  width: 20px;
  height: 21px;
  background: url(/dian/images/build.png) no-repeat;
  background-size: 100% 100%;
  margin-right: 5px;
}

.source-inner .source-content .source-right .s-items {
  width: 500px;
  margin-bottom: 55px;
}

.source-inner .source-content .source-right .s-items p {
  width: 50%;
  float: left;
  margin-bottom: 10px;
  font-size: 16px;
  color: #444444;
}

.source-inner .source-content .source-right .s-items p.plus {
  width: 100%;
}

.source-inner .source-content .source-right .s-items p span {
  display: inline-block;
  font-size: 14px;
  height: 18px;
  width: 18px;
  color: #ea1447;
  border-radius: 50%;
  border: 1px solid #ea1447;
  text-align: center;
  line-height: 18px;
  margin-right: 10px;
}

.source-inner .tips {
  font-size: 16px;
  color: #444444;
  margin-top: 20px;
}

.source-inner .tips span {
  color: #ea1447;
  margin-right: 5px;
}

.start {
  width: 100%;
  height: 516px;
  background: url(/dian/images/start_bg.png) no-repeat top center;
  background-size: 100%;
  padding: 65px 0 60px;
  position: relative;
  overflow: hidden;
}

.start-inner {
  position: relative;
}

.start-inner h1 {
  font-size: 36px;
  font-weight: bold;
  color: #ffffff;
  padding-top: 119px;
}

.start-inner h1 span {
  color: #ea1447;
}

.start-inner p.title {
  font-size: 18px;
  color: #ffffff;
  margin: 27px 0;
  width: 226px;
  text-align: center;
  border: 1px solid #ffffff;
}

.start-inner p.sub_title {
  font-size: 60px;
  color: rgba(255, 255, 255, 0.1);
}

.start-inner p.person {
  position: absolute;
  bottom: -200px;
  left: 44%;
  width: 244px;
  margin-left: -122px;
  z-index: 99;
}

.start-inner .form {
  width: 564px;
  height: 455px;
  border-radius: 5px;
  border: 3px solid #ea1447;
  position: absolute;
  right: 0;
  top: 50%;
  margin-top: -227.5px;
  background: #ffffff;
  text-align: center;
  padding: 27px 0 22px;
}

.start-inner .form .title {
  color: #ea1447;
  width: 100%;
  font-size: 26px;
  font-weight: bold;
}

.start-inner .form-item {
  width: 100%;
}

.start-inner .form-item .item {
  text-align: left;
  padding-left: 30px;
  float: left;
  width: 50%;
  margin-bottom: 7px;
}

.start-inner .form-item .item.plus {
  width: 100%;
}

.start-inner .form-item .item p {
  color: #222222;
  font-size: 16px;
  width: 221px;
  margin-bottom: 5px;
}

.start-inner .form-item .item .step1:hover .more, .start-inner .form-item .item .step2:hover .more {
  height: 123px;
}

.start-inner .form-item .item .select {
  width: 221px;
  height: 41px;
  border-radius: 5px;
  border: 1px solid #eeeeee;
  position: relative;
}

.start-inner .form-item .item .select .deepcolor {
  color: #222222 !important;
}

.start-inner .form-item .item .select.plus {
  width: 483px;
  height: 71px;
  overflow: hidden;
}

.start-inner .form-item .item .select .holder1, .start-inner .form-item .item .select .holder2 {
  padding: 10px;
  font-size: 12px;
  color: #999999;
}

.start-inner .form-item .item .select .holder1::after, .start-inner .form-item .item .select .holder2::after {
  content: "";
  display: block;
  width: 14px;
  height: 9px;
  background: url(/dian/images/icon-font.png) no-repeat;
  background-size: 100% 100%;
  float: right;
  margin-top: 10px;
  margin-right: 10px;
}

.start-inner .form-item .item .select .more {
  transition: all 0.5s;
  width: 220px;
  height: 0;
  position: absolute;
  left: 0;
  top: 100%;
  background: #ffffff;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  box-shadow: 0 5px 5px rgba(0, 0, 0, 0.3);
  z-index: 99;
  overflow: hidden;
}

.start-inner .form-item .item .select .more .inner {
  width: 240px;
  overflow: auto;
  max-height: 123px;
}

.start-inner .form-item .item .select .more .inner p {
  padding-left: 10px;
  background: #ffffff;
  line-height: 41px;
  border-bottom: 1px solid #eeeeee;
  cursor: pointer;
  font-size: 12px;
}

.start-inner .form-item .item .select .more .inner p:hover {
  background: #eeeeee;
}

.start-inner .form-item .item .select .more .inner p:last-child {
  border: 0;
}

.start-inner .form-item .item textarea {
  border: 0;
  padding: 10px;
}

.start-inner .form-item .item input {
  height: 100%;
  width: 100%;
  padding: 10px;
}

.start-inner .form button {
  width: 227px;
  height: 45px;
  border-radius: 5rem;
  cursor: pointer;
  background: #ea1447;
  background: linear-gradient(to left, #f83f48, #f3285e);
  color: #ffffff;
  font-size: 18px;
  margin-top: 5px;
  box-shadow: 0px 5px 5px rgba(0, 0, 0, 0.3);
}
/*短视频推广*/
#advantages {
  padding: 2.875% 0 6.25%;
}
#advantages .advantages-title:before {
  left: 25%;
}
#advantages .advantages-title h3 {
  margin-left: -14%;
}
#advantages .advantages-list {
  margin-top: 7.5%;
}
#advantages .advantages-list ul {
  margin: 0 -27px;
}
#advantages .advantages-list li {
  width: 33.3333%;
  padding: 0 20px;
  float: left;
}
#advantages .advantages-list li.li-hover .advantages-box {
  border-color: #c92027;
}
#advantages .advantages-list li.li-hover .advantages-box::before {
  opacity: 1;
  filter: alpha(opacity=100);
}
#advantages .advantages-list li.li-hover span {
  color: #e7373f;
}
#advantages .advantages-list li.li-hover span::after {
  background-position: -79px 0;
}
#advantages .advantages-list li.li-hover h4,
#advantages .advantages-list li.li-hover p {
  color: #fff;
}
#advantages .advantages-list li.li-hover .summary::after {
  background: #fff;
}
#advantages .advantages-list .advantages-box {
  border: 1px solid #f3f3f3;
  cursor: pointer;
  padding: 74px 90px 80px 64px;
  position: relative;
  transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
}
#advantages .advantages-list .advantages-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: #c92027;
  transition: all 0.4s;
  -ms-transition: all 0.4s;
  -o-transition: all 0.4s;
  -webkit-transition: all 0.4s;
  -moz-transition: all 0.4s;
  opacity: 0;
  filter: alpha(opacity=0);
}
#advantages .advantages-list span {
  font-family: AKZIDENZGROTESK-BOLDCOND;
  font-size: 200px;
  line-height: 1;
  color: #f7f7f7;
  display: block;
  position: relative;
  transition: all 0.4s;
  -ms-transition: all 0.4s;
  -o-transition: all 0.4s;
  -webkit-transition: all 0.4s;
  -moz-transition: all 0.4s;
}
#advantages .advantages-list span::after {
  content: "";
  width: 79px;
  height: 74px;
  position: absolute;
  bottom: 35px;
  left: 0;
  background-position: 0 0;
  background-repeat: no-repeat;
}
#advantages .advantages-list span.one::after {
  background-image: url(/dian/images/icon8-1.png);
}
#advantages .advantages-list span.two::after {
  background-image: url(/dian/images/icon9-1.png);
}
#advantages .advantages-list span.three::after {
  background-image: url(/dian/images/icon10-1.png);
}
#advantages .advantages-list h4 {
  font-family: SOURCEHANSANSCN-BOLD;
  font-size: 30px;
  line-height: 1;
  color: #323333;
  font-weight: 700;
  margin: 60px 0;
  transition: all 0.4s;
  -ms-transition: all 0.4s;
  -o-transition: all 0.4s;
  -webkit-transition: all 0.4s;
  -moz-transition: all 0.4s;
}
#advantages .advantages-list .summary {
  position: relative;
  padding-bottom: 20px;
}
#advantages .advantages-list .summary::after {
  content: '';
  width: 50px;
  height: 2px;
  background: #232323;
  position: absolute;
  bottom: 0;
  left: 0;
  transition: all 0.4s;
  -ms-transition: all 0.4s;
  -o-transition: all 0.4s;
  -webkit-transition: all 0.4s;
  -moz-transition: all 0.4s;
}
#advantages .advantages-list p {
  font-size: 16px;
  line-height: 30px;
  height: 180px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  color: #898989;
  transition: all 0.4s;
  -ms-transition: all 0.4s;
  -o-transition: all 0.4s;
  -webkit-transition: all 0.4s;
  -moz-transition: all 0.4s;
}
.container {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}
.main-title {
  text-align: center;
  position: relative;
}
.main-title.black-font {
  color: #232323;
}
.main-title.white-font {
  color: #fff;
}
.main-title::before {
  content: "";
  width: 162px;
  height: 90px;
  background: url(/dian/images/title-before.png) no-repeat;
  position: absolute;
  z-index: -1;
  top: -5px;
}
.main-title h1 {
  font-size: 48px;
  line-height: 1;
  font-family: SOURCEHANSANSCN-BOLD;
  margin-bottom: 15px;
}
.main-title h3 {
  font-size: 24px;
  line-height: 1;
  font-family: AKZIDENZGROTESK-BOLDCOND;
  text-transform: uppercase;
}
.main-title.black-font {
  color: #232323;
}
#about {
  background: #232323;
  padding: 5.052% 0 53px;
}
#about .main-title::before {
  left: 35%;
}
#about .main-title h3 {
  margin-left: -3%;
}
#about .about-icon {
  text-align: center;
  margin: 43px 0 8.3333%;
}
#about .about-wrap {
  background: #d92c33;
  position: relative;
  margin-bottom: 4.7222%;
}
#about .about-wrap .about-img {
  width: 51.9444%;
  transform: translate(34px, -34px);
  -ms-transform: translate(34px, -34px);
  -o-transform: translate(34px, -34px);
  -webkit-transform: translate(34px, -34px);
  -moz-transform: translate(34px, -34px);
}
#about .about-wrap .about-desc {
  width: 43.3333%;
  padding: 5.5555% 2.3333% 32px 7.5%;
  position: relative;
}
#about .about-wrap .about-desc::before {
  content: attr(data-text);
  display: inline-block;
  text-transform: uppercase;
  font-family: AKZIDENZGROTESK-BOLDCOND;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 3px;
  color: #fff;
  transform-origin: 0 100%;
  -webkit-transform-origin: 0 100%;
  transform: rotateZ(90deg);
  -ms-transform: rotateZ(90deg);
  -o-transform: rotateZ(90deg);
  -webkit-transform: rotateZ(90deg);
  -moz-transform: rotateZ(90deg);
  filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=1);
  position: absolute;
  top: 3%;
  left: 0;
}
#about .about-wrap h3 {
  font-size: 30px;
  line-height: 1;
  color: #fff;
  font-weight: 700;
  margin-bottom: 30px;
}
#about .about-wrap h3 em {
  color: #232323;
  font-style: normal;
}
#about .about-wrap p {
  font-size: 14px;
  line-height: 28px;
  color: #fff;
  margin-bottom: 36px;
}
#about .about-wrap span {
  font-size: 12px;
  line-height: 24px;
  color: #fff;
  display: block;
}
#about .about-wrap span::before {
  content: '';
  width: 214px;
  height: 12px;
  background: url(/dian/images/about-line.png) no-repeat;
  display: block;
  margin-bottom: 12px;
}
#about .about-sum ul {
  margin: 0 -13px;
}
#about .about-sum li {
  float: left;
  width: calc(25% - 26px);
  border: 1px solid #88292c;
  margin: 0 13px;
  padding: 40px 30px 30px;
  transition: all 0.45s ease;
  -ms-transition: all 0.45s ease;
  -o-transition: all 0.45s ease;
  -webkit-transition: all 0.45s ease;
  -moz-transition: all 0.45s ease;
}
#about .about-sum li > div {
  display: inline-block;
  vertical-align: middle;
}
#about .about-sum li:hover {
  background: #88292c;
}
#about .about-sum li:hover .icon {
  background-position: -68px 0;
}
#about .about-sum li:hover .txt p,
#about .about-sum li:hover .txt span {
  color: #fff;
}
#about .about-sum .icon {
  width: 68px;
  height: 68px;
  background-position: 0 0;
  background-repeat: no-repeat;
  margin-right: 30px;
  background-size: 136px 68px;
}
#about .about-sum .icon.icon1 {
  background-image: url(/dian/images/icon11.png);
}
#about .about-sum .icon.icon2 {
  background-image: url(/dian/images/icon12.png);
}
#about .about-sum .icon.icon3 {
  background-image: url(/dian/images/icon13.png);
}
#about .about-sum .icon.icon4 {
  background-image: url(/dian/images/icon14.png);
}
#about .about-sum .txt p {
  font-size: 30px;
  line-height: 1;
  color: #d92c33;
  margin-bottom: 10px;
}
#about .about-sum .txt span {
  font-size: 18px;
  color: #9b9b9b;
  line-height: 1;
}
.img_scale {
  overflow: hidden;
}
.img_scale img {
  transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -ms-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -o-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -webkit-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -moz-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
}
.img_scale:hover img {
  transform: scale(1.1);
  -ms-transform: scale(1.1);
  -o-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
}
.img_scale:hover .full {
  transform: scale(1.1);
  -ms-transform: scale(1.1);
  -o-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
}
.img-auto{max-width: 100%;height: auto; width: 100%;}
#promise {
  padding: 2.3333% 0 4.8229%;
  position: relative;
}
#promise::after {
  content: '';
  width: 100%;
  height: 100%;
  background: url(/dian/images/promise-bg.png) no-repeat center / cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
#promise .promise-tit-wrap {
  position: relative;
}
#promise .promise-tit-wrap::before {
  content: '';
  width: 100%;
  height: 32px;
  background: url(/dian/images/line1.png) no-repeat center / cover;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  z-index: -1;
}
#promise .promise-tit-wrap .promise-tit {
  width: 813px;
  margin: 0 auto;
  background: url(/dian/images/promise-tit-bg.png) no-repeat;
  padding: 20px 4% 8px;
  color: #fff;
  position: relative;
  z-index: 2;
  background-size: 100% 100%;
}
#promise .promise-tit-wrap .promise-tit > div {
  display: inline-block;
  vertical-align: middle;
}
#promise .promise-tit-wrap .promise-tit .tit-l {
  font-size: 36px;
  line-height: 1;
  margin-right: 8%;
}
#promise .promise-tit-wrap .promise-tit h2 {
  font-size: 48px;
  line-height: 1;
  text-transform: uppercase;
  font-family: AKZIDENZGROTESK-BOLDCOND;
  letter-spacing: 3px;
}
#promise .promise-tit-wrap .promise-tit p {
  font-size: 14px;
  line-height: 1;
}
#promise .container {
  margin-top: 4.25%;
}
#promise .promise-img {
  width: 60%;
  position: relative;
}
#promise .promise-img::after {
  content: '';
  width: 478px;
  height: 100%;
  background: #1b1b1b;
  position: absolute;
  top: -30px;
  left: -40px;
  z-index: -1;
}
#promise .promise-desc {
  width: 40%;
}
#promise .promise-desc li {
  margin-bottom: 15px;
}
#promise .promise-desc .num {
  font-family: AKZIDENZGROTESK-BOLDCOND;
  font-size: 100px;
  line-height: 1;
  color: #f7f7f7;
  display: inline-block;
}
#promise .promise-desc .txt {
  display: inline-block;
  vertical-align: text-bottom;
}
#promise .promise-desc .icon,
#promise .promise-desc .txt-desc {
  display: inline-block;
  vertical-align: top;
}
#promise .promise-desc .icon {
  margin-right: 20px;
}
#promise .promise-desc .txt-desc::after {
  content: '';
  width: 40px;
  height: 7px;
  background: #c92027;
  display: block;
  margin-top: 20px;
}
#promise .promise-desc p {
  font-size: 24px;
  line-height: 1;
  color: #333;
  margin-bottom: 15px;
}
#promise .promise-desc span {
  font-size: 14px;
  line-height: 26px;
  color: #868686;
}
#case {
  background: url(/dian/images/case-bg.jpg) no-repeat center / cover;
  padding: 5.3125% 0 40px;
}
#case .case-title::before {
  left: 25%;
}
#case .case-title em {
  font-size: 48px;
  text-transform: uppercase;
  font-family: AKZIDENZGROTESK-BOLDCOND;
  font-style: normal;
  letter-spacing: 3px;
  display: inline-block;
  margin-right: 10px;
}
#case .case-title h1 {
  font-size: 42px;
  line-height: 1;
  font-weight: normal;
}
#case .case-title h3 {
  font-size: 20px;
  margin-left: -14%;
}
#case .case-summary {
  font-size: 14px;
  line-height: 26px;
  color: #c0c0c0;
  text-align: center;
  margin: 30px 0 5.5555%;
}
#case .case-summary::before {
  content: '';
  width: 68px;
  height: 10px;
  background: url(/dian/images/icon7-1.png);
  display: block;
  margin: 0 auto 30px;
}
#case ul {
  margin: 0 -27px;
}
#case li {
  float: left;
  width: 25%;
  padding: 0 27px;
  margin-bottom: 14px;
}
#case .desc {
  text-align: center;
  color: #fff;
  margin-top: 40px;
}
#case .desc h5 {
  font-size: 22px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
  margin-bottom: 18px;
}
#case .desc p {
  font-size: 14px;
  line-height: 24px;
  height: 72px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
#case .video-wrap,
#case .img-wrap {
  width: 1200px;
  margin: 0 auto;
  display: none;
}
#case .video-wrap .video-content {
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: all 0.36s ease;
  -ms-transition: all 0.36s ease;
  -o-transition: all 0.36s ease;
  -webkit-transition: all 0.36s ease;
  -moz-transition: all 0.36s ease;
}
#case .video-wrap .video-content .video-bg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 10px;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
#case .video-wrap .video-content .video-bg.hidden-poster {
  visibility: hidden;
}
#case .video-wrap .video-content .video-fouth {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
#case .img-wrap .img {
  border-radius: 10px;
}