.zt-padd {
  padding-top: 70px;
  padding-bottom: 70px;
}

.zt-magg {
  margin-top: 70px;
  margin-bottom: 70px;
}

.zt-mtop {
  margin-top: 70px;
}

.zt-content p {
  line-height: 1.7em;
}

.zt-banner {
  position: relative;
}

.zt-projecttop {
  position: relative;
  padding-bottom: 20px;
  z-index: 1;
}
.zt-projecttop::before {
  content: "";
  display: block;
  position: absolute;
  left: 55px;
  right: 0;
  bottom: 0;
  height: 69%;
  border: 2px solid #D32121;
  z-index: -1;
}
.zt-projecttop .pic {
  width: 51.8%;
  border-right: 24px solid #FFF;
  border-bottom: 20px solid #FFF;
  box-sizing: border-box;
}
.zt-projecttop .txt {
  width: 44.9%;
}
.zt-projecttop .txt h1 {
  font-size: 36px;
  font-weight: bold;
  text-transform: uppercase;
  line-height: 1.3em;
  padding-right: 28px;
  padding-left: 10px;
}
.zt-projecttop .txt h1 span {
  display: block;
}
.zt-projecttop .txt h1 .h1 i {
  display: inline-block;
  width: 22px;
  height: 22px;
  background: #D32121;
  vertical-align: top;
  margin-left: 16px;
  margin-top: -6px;
}
.zt-projecttop .txt h1 .h1::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  background: #D32121;
  opacity: 0.62;
  margin-left: 5px;
  vertical-align: middle;
}
.zt-projecttop .txt h1 .h2 {
  text-align: right;
}
.zt-projecttop .txt h1 .h2::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  background: #D32121;
  margin-right: 20px;
}
.zt-projecttop .txt .txtcon {
  margin-top: 75px;
  padding-right: 60px;
}

.zt-projecttop-img img {
  width: 31.27%;
  margin-top: 58px;
}

.zt-titbox {
  text-align: center;
  margin-bottom: 50px;
}
.zt-titbox i::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 22px;
  background: #D32121;
  vertical-align: top;
  margin-top: -5px;
}
.zt-titbox i::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  background: #D32121;
  opacity: 0.62;
  vertical-align: middle;
  margin-left: 2px;
  margin-right: 20px;
  margin-top: -5px;
}
.zt-titbox h2 {
  font-size: 36px;
  font-weight: bold;
  text-transform: uppercase;
  display: inline-block;
  line-height: 1.2em;
}
.zt-titbox h2::after {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  background: #D32121;
  vertical-align: middle;
  margin-left: 20px;
}

.zt-tit2 {
  margin-bottom: 50px;
}
.zt-tit2 h3 {
  font-size: 26px;
  font-weight: bold;
  display: inline-block;
  background: #D32121;
  color: #FFF;
  padding-right: 20px;
}
.zt-tit2 h3 span {
  display: inline-block;
  font-size: 24px;
  color: #1A1A1A;
  margin-bottom: 4px;
  padding-bottom: 8px;
  vertical-align: middle;
  position: relative;
  padding-left: 3px;
  z-index: 1;
  padding-right: 20px;
  margin-right: 28px;
}
.zt-tit2 h3 span::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  border-style: solid;
  border-width: 47px 18px 0 0;
  width: 100%;
  left: 0;
  border-color: #fff transparent transparent transparent;
  z-index: -1;
}

.zt-demo {
  position: relative;
  flex-direction: row-reverse;
  align-items: flex-start;
  padding-bottom: 50px;
}
.zt-demo .pic {
  width: 49.6%;
}
.zt-demo > .txt {
  width: 45.58%;
  margin-top: -35px;
}
.zt-demo > .txt h4 {
  font-size: 18px;
  font-weight: bold;
  padding-left: 23px;
  position: relative;
  margin-bottom: 15px;
  margin-top: 35px;
}
.zt-demo > .txt h4::before {
  content: "";
  display: block;
  width: 9px;
  height: 18px;
  background: #D32121;
  position: absolute;
  left: 0;
  top: 0.2em;
}
.zt-demo > .txt ul li {
  padding-left: 15px;
  margin-top: 1.2em;
  position: relative;
  line-height: 1.7em;
}
.zt-demo > .txt ul li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: #D32121;
  border-radius: 50%;
  display: block;
  position: absolute;
  left: 0;
  top: 0.7em;
}

.zt-demotxt {
  position: absolute;
  padding-top: 27px;
  padding-right: 55px;
  left: 0;
  bottom: 0;
  background: #FFF;
  box-sizing: border-box;
  width: 88.6%;
}
.zt-demotxt .txt {
  border: 2px solid #D32121;
  padding: 23px 60px;
  position: relative;
}
.zt-demotxt .txt h5 {
  font-size: 18px;
  font-weight: bold;
}
.zt-demotxt .txt span {
  color: #D32121;
  width: 57px;
  height: 48px;
  display: inline-block;
  position: absolute;
}
.zt-demotxt .txt .start {
  background: url(../images/left.png) no-repeat;
  left: -25px;
  top: -27px;
  background-size: 100% 100%;
}
.zt-demotxt .txt .end {
  background: url(../images/right.png) no-repeat;
  right: -25px;
  bottom: -23px;
  background-size: 100% 100%;
}

.zt-waste .pic {
  width: 47.58%;
}
.zt-waste .txt {
  width: 47.5%;
}
.zt-waste .txt .tit {
  font-weight: bold;
  font-size: 24px;
  margin-bottom: 25px;
}
.zt-waste .txt .tit h3 {
  text-align: right;
  margin-top: 12px;
  padding-right: 20px;
}
.zt-waste .txt .tit h3 span {
  display: inline-block;
  position: relative;
  padding: 10px 0;
  font-size: 24px;
  color: #FFF;
  padding-left: 30px;
  padding-right: 14px;
  font-weight: bold;
  background: #D32121;
  z-index: 1;
}
.zt-waste .txt .tit h3 span::before {
  content: "";
  display: block;
  position: absolute;
  width: 21px;
  right: -21px;
  top: 0;
  height: 100%;
  background: url(../images/titbg.png) no-repeat;
  background-size: 100% 100%;
}

.zt-tit3 {
  margin-top: 30px;
  margin-bottom: 20px;
}
.zt-tit3 h4 {
  display: inline-block;
  background: #D32121;
  font-size: 20px;
  font-weight: bold;
  color: #FFF;
  padding-left: 15px;
  padding-right: 15px;
  padding-top: 4px;
  padding-bottom: 4px;
  position: relative;
}
.zt-tit3 h4::before {
  content: "";
  position: absolute;
  display: block;
  width: 13px;
  height: 100%;
  background: url(../images/titbg.png) no-repeat;
  background-size: 100% 100%;
  right: -12px;
  top: 0;
}

.zt-titm3 {
  margin-top: 50px;
}

.zt-deliver p {
  margin-top: 1em;
}
.zt-deliver .pic img {
  width: 31.6%;
  margin-top: 30px;
}

.zt-demo2 .pic {
  width: 42.4%;
}
.zt-demo2 > .txt {
  margin-top: 0;
  width: 47.6%;
}

.zt-opera {
  margin-top: 45px;
  align-items: flex-start;
}
.zt-opera .pic {
  width: 42.75%;
}
.zt-opera .txt {
  width: 49.6%;
  margin-top: 30px;
}
.zt-opera .txt p {
  line-height: 2em;
}
.zt-opera .txt p b {
  font-size: 18px;
}
.zt-opera .txt h4 {
  font-size: 18px;
  font-weight: bold;
  padding-left: 23px;
  position: relative;
  margin-bottom: 15px;
}
.zt-opera .txt h4::before {
  content: "";
  display: block;
  width: 9px;
  height: 18px;
  background: #D32121;
  position: absolute;
  left: 0;
  top: 0.2em;
}

.zt-operapic {
  width: 96.75%;
  margin-left: 3.25%;
  background: #FFF;
  padding-top: 27px;
  padding-left: 33px;
  position: relative;
  z-index: 2;
  margin-top: -104px;
}
.zt-operapic img {
  width: 23.5%;
}

.zt-success {
  margin-top: 50px;
  background: url(../images/projectpic17.jpg) no-repeat center top;
  background-size: 100% 65%;
  padding-top: 65px;
  padding-right: 35px;
  padding-left: 45px;
  align-items: flex-start;
}
.zt-success .pic {
  border: 10px solid #FFF;
}
.zt-success .left {
  width: 55.6%;
}
.zt-success .left h5 {
  font-size: 18px;
  font-weight: bold;
  color: #FFF;
  margin-bottom: 40px;
  padding-left: 19px;
}
.zt-success .left ul {
  padding-left: 18px;
}
.zt-success .left ul li {
  color: #FFF;
  line-height: 1.7em;
  margin-bottom: 25px;
  padding-left: 17px;
  position: relative;
}
.zt-success .left ul li b {
  font-size: 18px;
}
.zt-success .left ul li::before {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  background: #D32121;
  border-radius: 50%;
}
.zt-success .right {
  width: 39.7%;
}
.zt-success .right p {
  margin-right: -18px;
  margin-left: 20px;
  margin-top: 1.5em;
}

@media (max-width: 1600px) {
  .zt-padd {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .zt-magg {
    margin-top: 60px;
    margin-bottom: 60px;
  }
  .zt-mtop {
    margin-top: 60px;
  }
}
@media (max-width: 1450px) {
  .zt-projecttop .txt h1, .zt-titbox h2 {
    font-size: 30px;
  }
  .zt-projecttop .txt h1 .h1 i, .zt-titbox i::before {
    width: 18px;
    height: 18px;
    margin-top: -2px;
  }
  .zt-projecttop .txt h1 .h2::before, .zt-titbox h2::after {
    width: 18px;
    height: 18px;
  }
  .zt-projecttop .txt h1 .h1::after, .zt-titbox i::after {
    width: 10px;
    height: 10px;
  }
  .zt-tit2 h3 {
    font-size: 22px;
  }
  .zt-tit2 h3 span {
    font-size: 22px;
    margin-top: -2px;
    margin-left: -2px;
  }
  .zt-tit2 h3 span::before {
    border-width: 40px 18px 0 0;
  }
  .zt-waste .txt .tit, .zt-waste .txt .tit h3 span {
    font-size: 20px;
  }
  .zt-tit3 h4 {
    font-size: 18px;
  }
  .zt-tit2 {
    margin-bottom: 40px;
  }
  .zt-opera {
    margin-top: 35px;
  }
  .zt-success {
    margin-top: 40px;
    padding-top: 50px;
  }
}
@media (max-width: 1000px) {
  .content, body {
    width: 100%;
  }
  .zt-content, .zt-contentbig {
    width: 100%;
    padding: 0 0.64rem;
    box-sizing: border-box;
  }
  .zt-padd {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .zt-magg {
    margin-top: 50px;
    margin-bottom: 50px;
  }
  .zt-mtop {
    margin-top: 50px;
  }
  .zt-projecttop {
    padding-bottom: 0px;
    z-index: 1;
  }
  .zt-projecttop::before {
    display: none;
  }
  .zt-projecttop .pic {
    width: 100%;
    border: 0 none;
  }
  .zt-projecttop .txt {
    margin-top: 30px;
    width: 100%;
  }
  .zt-projecttop .txt h1 {
    font-size: 22px;
    line-height: 1.3em;
    padding-right: 10px;
    padding-left: 10px;
  }
  .zt-projecttop .txt h1 span {
    display: block;
  }
  .zt-projecttop .txt h1 .h1 i {
    width: 15px;
    height: 15px;
    margin-left: 10px;
    margin-top: -3px;
  }
  .zt-projecttop .txt h1 .h1::after {
    width: 10px;
    height: 10px;
  }
  .zt-projecttop .txt h1 .h2::before {
    width: 15px;
    height: 15px;
    margin-right: 10px;
  }
  .zt-projecttop .txt .txtcon {
    margin-top: 20px;
    padding-right: 0px;
  }
  .zt-projecttop-img img {
    width: 31.27%;
    margin-top: 20px;
  }
  .zt-titbox {
    margin-bottom: 30px;
  }
  .zt-titbox i::before {
    width: 15px;
    height: 15px;
    margin-top: -3px;
  }
  .zt-titbox i::after {
    width: 10px;
    height: 10px;
    margin-right: 10px;
    margin-top: -2px;
  }
  .zt-titbox h2 {
    font-size: 22px;
  }
  .zt-titbox h2::after {
    width: 14px;
    height: 14px;
    margin-left: 10px;
  }
  .zt-tit2 {
    margin-bottom: 20px;
  }
  .zt-tit2 h3 {
    font-size: 18px;
    padding-right: 0px;
    background: none;
    color: #D32121;
  }
  .zt-tit2 h3 span {
    font-size: 16px;
    margin: 0;
    display: initial;
    padding: 0;
  }
  .zt-tit2 h3 span::before {
    display: none;
  }
  .zt-demo {
    padding-bottom: 0px;
  }
  .zt-demo .pic {
    width: 100%;
  }
  .zt-demo > .txt {
    width: 100%;
    margin-top: 0px;
  }
  .zt-demo > .txt h4 {
    font-size: 16px;
    padding-left: 15px;
    margin-bottom: 10px;
    margin-top: 25px;
  }
  .zt-demo > .txt h4::before {
    width: 5px;
    height: 15px;
    top: 0.2em;
  }
  .zt-demo > .txt ul li {
    padding-left: 15px;
  }
  .zt-demo > .txt ul li::before {
    top: 0.5em;
  }
  .zt-demotxt {
    position: static;
    margin-top: 20px;
    padding: 20px 20px;
    width: 100%;
    box-sizing: border-box;
  }
  .zt-demotxt .txt {
    border: 1px solid #D32121;
    padding: 15px 20px;
  }
  .zt-demotxt .txt h5 {
    font-size: 16px;
    font-weight: bold;
  }
  .zt-demotxt .txt span {
    width: 30px;
    height: 25px;
    display: inline-block;
    position: absolute;
  }
  .zt-demotxt .txt .start {
    left: -15px;
    top: -17px;
  }
  .zt-demotxt .txt .end {
    right: -15px;
    bottom: -13px;
  }
  .zt-waste {
    margin-top: 30px;
  }
  .zt-waste .pic {
    width: 100%;
  }
  .zt-waste .txt {
    margin-top: 30px;
    width: 100%;
  }
  .zt-waste .txt .tit {
    font-size: 16px;
    margin-bottom: 15px;
  }
  .zt-waste .txt .tit h3 {
    margin-top: 10px;
    padding-right: 13px;
  }
  .zt-waste .txt .tit h3 span {
    padding: 4px 0;
    font-size: 18px;
    padding-left: 15px;
    padding-right: 10px;
  }
  .zt-waste .txt .tit h3 span::before {
    width: 15px;
    right: -14px;
  }
  .zt-tit3 {
    margin-top: 20px;
    margin-bottom: 10px;
  }
  .zt-tit3 h4 {
    max-width: 96%;
    font-size: 16px;
    padding-left: 10px;
    padding-right: 10px;
  }
  .zt-titm3 {
    margin-top: 30px;
  }
  .zt-opera {
    margin-top: 30px;
  }
  .zt-opera .pic {
    width: 100%;
  }
  .zt-opera .txt {
    width: 100%;
    margin-top: 30px;
  }
  .zt-opera .txt p {
    line-height: 1.7em;
    margin: 10px 0;
  }
  .zt-opera .txt p b {
    font-size: 16px;
  }
  .zt-opera .txt h4 {
    font-size: 18px;
    padding-left: 15px;
    margin-bottom: 15px;
  }
  .zt-opera .txt h4::before {
    width: 5px;
    height: 15px;
    top: 0.2em;
  }
  .zt-operapic {
    width: 100%;
    margin-left: 0;
    padding: 0;
    margin-top: 10px;
  }
  .zt-operapic img {
    width: 48%;
    margin-top: 10px;
  }
  .zt-success {
    margin-top: 20px;
    padding: 0;
    background: none;
  }
  .zt-success .pic {
    border: 4px solid #FFF;
  }
  .zt-success .left {
    width: 100%;
  }
  .zt-success .left h5 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding-left: 15px;
  }
  .zt-success .left ul {
    padding-left: 0px;
  }
  .zt-success .left ul li {
    color: #333;
    margin-bottom: 15px;
    padding-left: 14px;
  }
  .zt-success .left ul li b {
    font-size: 16px;
  }
  .zt-success .left ul li::before {
    top: 0.7em;
    width: 5px;
    height: 5px;
  }
  .zt-success .right {
    width: 100%;
    margin-top: 20px;
  }
  .zt-success .right p {
    margin-right: 0;
    margin-left: 0px;
    margin-top: 1.5em;
    padding: 0 10px;
  }
}