/* 展示栏开始 */
.display_bar {
  height: 700px;
  width: 100%;
  background: url(http://sz-static-file.sanzhisoft.com/website/img/banner_5.png)  no-repeat center;
  text-align: center;
  padding-top: 300px;
  background-size: 100% 100%;
}

.display_bar h1 {
  font-size: 39px;
  font-family: "I-2-65";
  margin-bottom: 22px;
  color: #FFFFFF;
}

.display_bar h3 {
  font-size: 20px;
  font-family: "I-2-45";
  color: #FFFFFF;
}

/* 展示栏结束 */


/* 服务介绍开始 */
.service_introduce{
  text-align: center;
}
.service_introduce img{
  width: 100%;
}
.service_introduce .introduce_top{
  height: 213px;
  padding-top: 70px;
}
.service_introduce .introduce_top h3{
  font-size: 28px;
  color: #2C3C4D;
  font-family: "I-2-65";
}
.service_introduce .introduce_top p{
  margin-top: 20px;
  font-size: 16px;
  color: #647D94;
  font-family: "I-2-55";
}
.introduce_middle , .introduce_bottom{
  height: auto;
  overflow: hidden;
  max-height: 600px;
}
.introduce_img , .introduce_text{
  width: 50%;
  display: inline-block;
  vertical-align: top;
}
.introduce_middle .introduce_text{
  padding: 65px 0 0 86px;
  text-align: left;
}
.introduce_text h5{
  font-size: 28px;
  color: #2C3C4D;
  font-family: "I-2-65";
}
.introduce_text p{
  margin-top: 20px;
  font-size: 16px;
  color: #647D94;
  font-family: "I-2-55";
  width: 697px;
  line-height: 36px;
}
.introduce_bottom .introduce_text{
  padding: 130px 0 0 180px;
  text-align: left;
}

/* 服务介绍结束 */

/* 中间展示栏开始 */
.cnr_expo{
  height: 434px;
  background: url(http://sz-static-file.sanzhisoft.com/website/img/space_img_3.png) no-repeat center;
  text-align: center;
  padding: 160px 0 0 0;
  margin-top: 70px;
}
.cnr_expo h3{
  font-size: 24px;
  color: #2C3C4D;
  font-family: "I-2-65";
}
.cnr_expo p{
  font-size: 16px;
  color: #647D94;
  font-family: "I-2-55";
  width: 795px;
  line-height: 36px;
  margin: 30px auto 0; 
}

/* 中间展示栏结束 */


/* 联系我们开始 */
.contact_us {
  width: 100%;
  height: 470px;
  overflow: hidden;
  position: relative;
}

.contact_us video {
  width: 100%;
}

.contact_us .contact_us_content {
  width: 100%;
  height: 100%;
  background: rgba(21, 72, 76, 0.3);
  position: absolute;
  top: 0;
  left: 0;
  text-align: center;
  padding-top: 120px;
  z-index: 99999;
}

.contact_us video {
  filter: brightness(0.8) contrast(1.2) saturate(1.5) grayscale(0.5);
}

.contact_us .contact_us_content h1 {
  font-family: "I-2-65";
  font-size: 36px;
  color: #FFFFFF;
}

.contact_us .contact_us_content h2 {
  font-family: "I-2-45";
  font-size: 18px;
  color: #FFFFFF;
  margin: 30px 0 60px;
}

.contact_us .contact_us_content button {
  width: 300px;
  height: 72px;
  background: #2E9FFF;
  border: 1px solid #2E9FFF;
}

.contact_us .contact_us_content button span {
  font-size: 20px;
  color: #FFFFFF;
}

.contact_us .contact_us_content button img {
  position: relative;
  bottom: 6px;
  left: 6px;
}

/* 联系我们结束 */