.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-bancon {
  position: absolute;
  width: 100%;
  top: 25%;
}
.zt-bancon h1 {
  color: #FFF;
  font-weight: bold;
  font-size: 44px;
  text-transform: uppercase;
  display: inline-block;
  background: #D32121;
  padding: 20px 50px;
  margin-bottom: 10px;
  margin-left: -20px;
  z-index: 1;
  position: relative;
}
.zt-bancon h1::before {
  content: "";
  display: block;
  width: 87px;
  height: 73px;
  position: absolute;
  border-left: 3px solid #FFF;
  border-bottom: 3px solid #FFF;
  left: 53px;
  bottom: -76px;
  z-index: -1;
}
.zt-bancon h1::after {
  content: "";
  display: block;
  width: 59px;
  height: 66px;
  position: absolute;
  border-right: 3px solid #FFF;
  border-top: 3px solid #FFF;
  right: -62px;
  top: 49px;
  z-index: -1;
}
.zt-bancon h2 {
  font-size: 48px;
  font-weight: bold;
  color: #FFF;
  text-transform: uppercase;
  display: inline-block;
  background: #D32121;
  padding: 13px 60px;
  position: relative;
  z-index: 2;
  margin-left: 125px;
}

.zt-gradetop {
  z-index: 1;
  position: relative;
  overflow: hidden;
}
.zt-gradetop > img {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: -1;
  object-fit: cover;
  box-sizing: border-box;
}
.zt-gradetop .txt {
  width: 60%;
  box-sizing: border-box;
  padding: 70px 80px 90px;
  padding-right: 0;
}
.zt-gradetop .txt p {
  color: #FFF;
  margin-top: 1.5em;
}

.zt-catalog {
  padding-bottom: 40px;
  position: relative;
}
.zt-catalog::before {
  content: "";
  position: absolute;
  width: 100%;
  background: #F2F5FA;
  top: 26px;
  bottom: 0;
  left: 0;
}
.zt-catalog h3 {
  font-size: 24px;
  color: #FFF;
  text-transform: uppercase;
  background: #D32121;
  font-weight: bold;
  padding: 7px 0;
  padding-left: 35px;
  position: relative;
  margin-bottom: 20px;
}
.zt-catalog h3:after {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 17px 12px 0 12px;
  border-color: #fff transparent transparent transparent;
  right: 33px;
  top: 15px;
  position: absolute;
}

.zt-cataloglist li {
  border-bottom: 1px dotted #D32121;
  position: relative;
  padding-right: 30px;
}
.zt-cataloglist li:last-child {
  border-bottom: 0 none;
}
.zt-cataloglist li::after {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  background: url(../images/more.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  right: 0;
  top: 50%;
  margin-top: -10px;
}
.zt-cataloglist li:hover a {
  color: #D32121;
  font-weight: bold;
}

.zt-cataloglist li a {
  font-size: 18px;
  padding: 9px 0;
  display: block;
}

.zt-titbox {
  border-bottom: 4px solid #D32121;
  align-items: flex-end;
  justify-content: flex-start;
  position: relative;
  margin-bottom: 50px;
}
.zt-titbox::after {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 17px 11.5px 0 11.5px;
  border-color: #D32121 transparent transparent transparent;
  right: 20px;
  bottom: 20px;
  position: absolute;
}
.zt-titbox span {
  font-size: 44px;
  color: #FFF;
  background: #D32121;
  font-weight: bold;
  padding: 0 12px;
  display: inline-block;
}
.zt-titbox h2 {
  font-size: 30px;
  font-weight: bold;
  display: inline-block;
  margin-left: 15px;
  margin-bottom: 5px;
}

.zt-tit2 {
  margin-top: 40px;
  margin-bottom: 30px;
}
.zt-tit2 h3 {
  display: inline-block;
  font-size: 24px;
  font-weight: bold;
  color: #FFF;
  background: #D32121;
  line-height: 1.3em;
  padding: 2px 0;
  padding-left: 28px;
  padding-right: 22px;
  position: relative;
}
.zt-tit2 h3::after {
  content: "";
  display: block;
  width: 19px;
  height: 100%;
  background: url(../images/zt-titbg.png) no-repeat;
  background-size: 100% 100%;
  right: -19px;
  top: 0;
  position: absolute;
}

.zt-crush {
  position: relative;
  align-items: flex-start;
  padding-bottom: 18px;
}
.zt-crush .pic {
  width: 54.3%;
}
.zt-crush .zt-list {
  width: 41%;
  margin-top: 8px;
}
.zt-crush .txt {
  width: 60.8%;
  right: 0;
  background: #D32121;
  position: absolute;
  box-sizing: border-box;
  padding: 20px 40px;
  bottom: 0;
}
.zt-crush .txt p {
  font-weight: bold;
  color: #FFF;
}

.zt-list li {
  padding-left: 18px;
  line-height: 1.7em;
  position: relative;
}
.zt-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: #D32121;
  position: absolute;
  left: 0;
  top: 0.5em;
}

.zt-huibg {
  padding-top: 10px;
  padding-bottom: 50px;
  background: #F2F5FA;
}

.zt-agglome {
  width: 79.6%;
  margin: 30px auto 0;
  align-items: initial;
}
.zt-agglome .item {
  width: 47.48%;
  border: 2px dotted #D32121;
  box-sizing: border-box;
  border-radius: 10px;
  box-sizing: border-box;
  padding: 25px 40px;
}
.zt-agglome .item .txt {
  display: flex;
  justify-content: center;
}
.zt-agglome .item .zt-list {
  display: inline-block;
}
.zt-agglome .item h4 {
  color: #D32121;
  font-weight: bold;
  margin-bottom: 16px;
}

.zt-pretreat {
  position: relative;
  z-index: 1;
  padding: 60px 0;
}
.zt-pretreat img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
  z-index: -1;
}
.zt-pretreat .txt {
  width: 43.6%;
  background: #FFF;
  box-sizing: border-box;
  padding: 40px 45px;
  margin-left: 52%;
}

.zt-leach .zt-left {
  width: 53.8%;
}
.zt-leach .zt-left img {
  border: 1px solid #E6E6E6;
  margin-top: 45px;
}
.zt-leach .zt-right {
  width: 40%;
}
.zt-leach .zt-right p {
  margin-top: 30px;
  margin-bottom: 20px;
  padding-left: 20px;
}
.zt-leach .zt-right .zt-list {
  margin-left: 25px;
}
.zt-leach .zt-right .zt-list li {
  margin: 6px 0;
}

.zt-leachtxt {
  background: #F2F5FA;
  margin-top: 50px;
  padding: 30px 50px;
}

.zt-stack h4 {
  font-weight: bold;
  color: #D32121;
  margin-top: 30px;
  margin-bottom: 20px;
}
.zt-stack .zt-list {
  margin-left: 15px;
  margin-bottom: 25px;
}
.zt-stack .zt-left {
  width: 49.9%;
}
.zt-stack .zt-left img {
  margin-top: 60px;
}
.zt-stack .zt-right {
  width: 46.3%;
}
.zt-stack .zt-right img {
  margin-bottom: 60px;
}
.zt-stack .zt-right h4, .zt-stack .zt-right p, .zt-stack .zt-right ul {
  margin-left: 20px;
}

.zt-solut {
  flex-direction: row-reverse;
  margin-top: 40px;
}
.zt-solut .pic {
  width: 42.9%;
}
.zt-solut .txt {
  width: 48.25%;
}
.zt-solut .txt .zt-list {
  margin-top: 30px;
  margin-bottom: 40px;
}
.zt-solut .txt .zt-list li {
  margin: 5px 0;
}

.zt-distrib {
  margin-bottom: 40px;
}
.zt-distrib .pic {
  width: 47.75%;
}
.zt-distrib .txt {
  width: 44.25%;
}
.zt-distrib .txt h4 {
  font-weight: bold;
  color: #D32121;
}
.zt-distrib .txt .zt-list {
  margin-top: 15px;
}
.zt-distrib .txt .zt-list li {
  margin: 6px 0;
}

.zt-collect .img {
  margin-top: 45px;
}
.zt-collect .img img {
  width: 47.6%;
}

.zt-carbon .zt-left {
  width: 55%;
}
.zt-carbon .zt-left img {
  margin-top: 50px;
}
.zt-carbon .zt-list {
  margin: 25px 0;
}
.zt-carbon .zt-right {
  width: 39.3%;
}
.zt-carbon .zt-right img {
  border: 1px solid #E6E6E6;
  box-sizing: border-box;
}

.zt-heap {
  position: relative;
  z-index: 1;
  margin-top: 40px;
  padding: 50px 48px;
}
.zt-heap img {
  width: 100%;
  position: absolute;
  left: 0;
  height: 100%;
  top: 0;
  object-fit: cover;
  z-index: -1;
}
.zt-heap .txt {
  background: #FFF;
  width: 69.5%;
  box-sizing: border-box;
  padding: 35px 40px;
}
.zt-heap .txt h4 {
  font-weight: bold;
  color: #D32121;
}
.zt-heap .txt .zt-list {
  margin: 20px 0;
}

.zt-gold h4 {
  font-weight: bold;
  color: #D32121;
  margin-bottom: 30px;
}

.zt-goldpro {
  margin-top: 50px;
  flex-direction: row-reverse;
}
.zt-goldpro .pic {
  width: 43.3%;
}
.zt-goldpro .txt {
  width: 50.7%;
}
.zt-goldpro .txt h4 {
  margin-bottom: 0;
}
.zt-goldpro .txt .zt-list {
  margin: 20px 0;
}
.zt-goldpro .txt .zt-list li {
  margin: 5px 0;
}

.zt-tablebox {
  margin: 40px 0;
}
.zt-tablebox table {
  width: 100%;
  border-top: 1px solid #EDEDED;
  border-left: 1px solid #EDEDED;
  border-collapse: collapse;
}
.zt-tablebox table td, .zt-tablebox table th {
  border-right: 1px solid #EDEDED;
  padding: 10px;
  font-size: 16px;
  text-align: center;
}
.zt-tablebox table th {
  font-size: 18px;
  color: #FFF;
  background: #D32121;
}
.zt-tablebox table tr {
  border-bottom: 1px solid #EDEDED;
  background: #F4F8FB;
}
.zt-tablebox table tr:nth-child(2n+1) {
  background: #FFF;
}

.zt-select .pic {
  margin: 50px 0;
}
.zt-select .pic img {
  width: 47.4%;
}
.zt-select .txt {
  margin-top: 60px;
  padding: 40px 75px;
  background: url(../images/gradepic18.jpg) no-repeat;
  background-size: 100% 100%;
}
.zt-select .txt p {
  font-size: 16px;
  color: #FFF;
}

@media (max-width: 1500px) {
  .zt-magg {
    margin-top: 60px;
    margin-bottom: 60px;
  }
  .zt-bancon h1 {
    font-size: 38px;
    padding: 15px 40px;
  }
  .zt-bancon h2 {
    font-size: 42px;
    padding: 10px 40px;
  }
  .zt-titbox h2 {
    font-size: 26px;
  }
  .zt-titbox span {
    font-size: 38px;
  }
  .zt-gradetop .txt {
    padding: 40px 60px 65px;
  }
}
@media (max-width: 1300px) {
  .zt-magg {
    margin-top: 50px;
    margin-bottom: 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-banner {
    height: 190px;
  }
  .zt-banner > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .zt-bancon {
    top: 50%;
    transform: translateY(-50%);
  }
  .zt-bancon h1 {
    font-size: 18px;
    margin-left: 0;
    padding: 5px 20px;
  }
  .zt-bancon h1::before {
    display: none;
  }
  .zt-bancon h1::after {
    display: none;
  }
  .zt-bancon h2 {
    padding: 5px 20px;
    font-size: 18px;
    margin-left: 40px;
  }
  .zt-gradetop .txt {
    width: 100%;
    padding: 10px 20px 30px;
  }
  .zt-catalog h3 {
    font-size: 18px;
    padding: 5px 0;
    padding-left: 12px;
  }
  .zt-catalog h3:after {
    border-width: 12px 8px 0 8px;
    border-color: #fff transparent transparent transparent;
    right: 17px;
    top: 12px;
  }
  .zt-cataloglist li a {
    line-height: 1.2em;
    font-size: 16px;
  }
  .zt-titbox {
    margin-bottom: 30px;
  }
  .zt-titbox span {
    font-size: 22px;
    padding: 4px 10px;
  }
  .zt-titbox h2 {
    font-size: 18px;
    max-width: 84%;
    margin-left: 10px;
  }
  .zt-titbox::after {
    display: none;
  }
  .zt-tit2 {
    margin: 30px 0 20px;
  }
  .zt-tit2 h3 {
    font-size: 18px;
    padding-left: 10px;
    padding-right: 10px;
  }
  .zt-tit2 h3::after {
    width: 15px;
    right: -15px;
  }
  .zt-crush {
    padding-bottom: 0;
  }
  .zt-crush .pic {
    width: 100%;
  }
  .zt-crush .zt-list {
    width: 100%;
    margin-top: 20px;
  }
  .zt-crush .txt {
    position: static;
    width: 100%;
    padding: 10px 20px;
    margin-top: 20px;
  }
  .zt-agglome {
    margin-top: 10px;
    width: 100%;
  }
  .zt-agglome .item {
    width: 100%;
    margin-top: 20px;
    padding: 20px 20px;
  }
  .zt-agglome .item h4 {
    margin-bottom: 10px;
  }
  .zt-pretreat {
    padding: 30px 20px;
  }
  .zt-pretreat .txt {
    width: 100%;
    margin-left: 0;
    padding: 20px 20px;
  }
  .zt-leach .zt-left {
    width: 100%;
  }
  .zt-leach .zt-left img {
    margin-top: 20px;
  }
  .zt-leach .zt-right {
    margin-top: 30px;
    width: 100%;
  }
  .zt-leach .zt-right p {
    padding-left: 0;
  }
  .zt-leachtxt {
    margin-top: 30px;
    padding: 20px;
  }
  .zt-stack h4 {
    margin-top: 20px;
    margin-bottom: 10px;
  }
  .zt-stack .zt-left {
    width: 100%;
  }
  .zt-stack .zt-left img {
    margin-top: 20px;
  }
  .zt-stack .zt-right {
    margin-top: 30px;
    width: 100%;
  }
  .zt-stack .zt-right img {
    margin-bottom: 20px;
  }
  .zt-stack .zt-right h4 {
    margin-left: 0;
  }
  .zt-stack .zt-right ul, .zt-stack .zt-right p {
    margin-left: 10px;
  }
  .zt-stack .zt-list {
    margin-bottom: 20px;
  }
  .zt-solut {
    margin-top: 30px;
  }
  .zt-solut .txt {
    margin-top: 30px;
    width: 100%;
  }
  .zt-solut .txt .zt-list {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .zt-solut .pic {
    width: 100%;
  }
  .zt-distrib {
    margin-bottom: 30px;
  }
  .zt-distrib .pic {
    width: 100%;
  }
  .zt-distrib .txt {
    margin-top: 30px;
    width: 100%;
  }
  .zt-collect .img {
    margin-top: 30px;
  }
  .zt-carbon .zt-left {
    width: 100%;
  }
  .zt-carbon .zt-left img {
    margin-top: 30px;
  }
  .zt-carbon .zt-right {
    margin-top: 30px;
    width: 100%;
  }
  .zt-carbon .zt-list {
    margin: 20px 0;
  }
  .zt-heap {
    padding: 30px;
  }
  .zt-heap .txt {
    width: 100%;
    padding: 20px;
  }
  .zt-gold h4 {
    margin-bottom: 20px;
  }
  .zt-goldpro {
    margin-top: 30px;
  }
  .zt-goldpro .pic {
    width: 100%;
  }
  .zt-goldpro .txt {
    margin-top: 30px;
    width: 100%;
  }
  .zt-tablebox {
    margin: 30px 0;
  }
  .zt-tablebox table td {
    line-height: 1.3em;
    padding: 5px 10px;
  }
  .zt-select .pic {
    margin: 30px 0;
  }
  .zt-select .txt {
    margin-top: 50px;
    padding: 20px;
  }
}