/* 展示栏开始 */
.display_bar {
  height: 700px;
  width: 100%;
  background: url(http://sz-static-file.sanzhisoft.com/website/img/banner_2.png);
  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 */


/* 中间功能介绍开始 */
.function_introduction {
  background: url(http://sz-static-file.sanzhisoft.com/website/img/bg_img4.png) no-repeat center;
  padding: 0 8% 3%;
  background-size: 100% 100%;
}

.introduce_top {
  padding-top: 70px;
  text-align: center;
}
.introduce_top h2{
  color: #2C3C4D;
  font-family: "I-2-65";
  font-size: 28px;
  margin-bottom: 20px;

}
.introduce_top p{
  color: #647D94;
  font-size: 16px;
  font-family: "I-2-45";
  width: 755px;
  margin: 0 auto 70px;
  line-height: 30px;
}

.introduce_bottom {
  display: flex;
  justify-content: space-between;
}

.introduce_bottom .introduce_list {
  width: 20%;
  background-color: #FFFFFF;
  padding-bottom: 2vh;
}

.introduce_bottom .introduce_list h3 {
  height: 72px;
  background: linear-gradient(92deg, #2E9FFF 0%, #8FCBFF 100%);
  line-height: 72px;
  position: relative;
}

.introduce_bottom .introduce_list h3::after {
  content: '';
  background: url(http://sz-static-file.sanzhisoft.com/website/img/title_bg.png);
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.introduce_bottom .introduce_list span {
  margin: 0px 63px 0 30px;
  font-size: 20px;
  font-family: "I-2-75";
  color: #FFFFFF;
}

.introduce_bottom .introduce_list h3 img {
  position: absolute;
  right: 15px;
  bottom: 5px;
  z-index: 99;
}

.introduce_bottom .introduce_list h5 {
  font-family: "I-2-75";
  color: #2C3C4D;
  font-size: 16px;
  margin: 25px 20px 20px 15px;
  line-height: 25px;
}

.introduce_bottom .introduce_list li {
  line-height: 2vw;
  font-size: 0.7vw;
  color: #647D94;
  font-family: "I-2-55";
  margin-left: 46px;
  position: relative;
}

.introduce_bottom .introduce_list li::before {
  content: '';
  background: url(http://sz-static-file.sanzhisoft.com/website/img/round_img.png) no-repeat;
  width: 8px;
  height: 8px;
  position: absolute;
  top: 38%;
  left: -22px;
}


/* 中间功能介绍结束 */


/* 环境介绍开始 */
.surroundings{
  height: 722px;
}
.surroundings .surroundings_top{
  padding-top: 70px;
  text-align: center;
}
.surroundings .surroundings_top h2{
  font-size: 28px;
  color: #2C3C4D;
  font-family: "I-2-65";
}
.surroundings .surroundings_top p{
  margin: 15px 0 50px;
  font-size: 16px;
  color: #647D94;
  font-family: "I-2-45";
}
.surroundings_bottom{
  width: 1530px;
  height: 462px;
  margin: auto;
  padding: 65px 80px;
  background: #F6F9FB;
}
.surroundings_bottom div{
  display: inline-block;
  vertical-align: top;
  width: 676px;
  margin: 25px 0 0 70px;
}
.surroundings_bottom p{
  font-size: 16px;
  color: #2C3C4D;
  font-family: "I-2-45";
  text-indent: 2em;
  line-height: 35px;
}
.surroundings_bottom span{
  font-size: 16px;
  color: #2C3C4D;
  font-family: "I-2-75";
  display: inline-block;
  vertical-align: top;
  margin-top: 50px;
  text-indent: 2em;
  line-height: 35px;
}
.surroundings_bottom img{
  width: 600px;
  height: 332px;
}



/* 环境介绍结束 */

/* 中间展示栏开始 */
.cnr_expo{
  height: 434px;
  background: url(http://sz-static-file.sanzhisoft.com/website/img/xr_bj_img.png) no-repeat center;
  text-align: center;
  padding: 110px 0 0 0;
  margin-top: 70px;
  background-size: 100% 100%;
}
.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 */