.zt-padd {
  padding-top: 1.49rem;
  padding-bottom: 1.49rem;
}

.zt-magg {
  margin-top: 1.49rem;
  margin-bottom: 1.49rem;
}

.zt-mtop {
  margin-top: 1.49rem;
}

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

.zt-banner {
  position: relative;
  overflow: hidden;
  height: 8rem;
}

.zt-banner > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zt-bancon {
  position: absolute;
  width: 100%;
  top: 50%;
  transform: translateY(-50%);
}
.zt-bancon h1 {
  color: #FFF;
  font-weight: bold;
  font-size: 0.68rem;
  text-transform: uppercase;
  display: inline-block;
  background: #D32121;
  padding: 0.3rem 0.7rem;
  margin-bottom: 0.21rem;
  z-index: 1;
  position: relative;
}
.zt-bancon h2 {
  font-size: 0.68rem;
  font-weight: bold;
  color: #FFF;
  text-transform: uppercase;
  display: inline-block;
  background: #D32121;
  padding: 0.28rem 0.7rem;
  position: relative;
  z-index: 2;
}

.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: 100%;
  box-sizing: border-box;
  padding: 0.49rem 0.71rem 0.92rem;
}
.zt-gradetop .txt p {
  color: #FFF;
  margin-top: 1.5em;
}

.zt-catalog {
  padding-bottom: 0.85rem;
  position: relative;
}
.zt-catalog::before {
  content: "";
  position: absolute;
  width: 100%;
  background: #F2F5FA;
  top: 0.55rem;
  bottom: 0;
  left: 0;
}
.zt-catalog h3 {
  font-size: 0.73rem;
  color: #FFF;
  text-transform: uppercase;
  background: #D32121;
  font-weight: bold;
  padding: 0.3rem 0;
  padding-left: 0.75rem;
  position: relative;
  margin-bottom: 0.43rem;
}
.zt-catalog h3:after {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0.43rem 0.38rem 0 0.38rem;
  border-color: #fff transparent transparent transparent;
  right: 0.7rem;
  top: 0.65rem;
  position: absolute;
}

.zt-cataloglist li {
  border-bottom: 1px dotted #D32121;
  position: relative;
  padding-right: 0.64rem;
}
.zt-cataloglist li:last-child {
  border-bottom: 0 none;
}
.zt-cataloglist li::after {
  content: "";
  display: block;
  width: 0.64rem;
  height: 0.64rem;
  background: url(../images/more.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  right: 0;
  top: 50%;
  margin-top: -0.32rem;
}
.zt-cataloglist li:hover a {
  color: #D32121;
  font-weight: bold;
}

.zt-cataloglist li a {
  font-size: 0.6rem;
  padding: 0.41rem 0;
  line-height: 1.5em;
  display: block;
}

.zt-titbox {
  border-bottom: 0.09rem solid #D32121;
  align-items: flex-end;
  justify-content: flex-start;
  position: relative;
  margin-bottom: 1.07rem;
}
.zt-titbox span {
  font-size: 0.94rem;
  color: #FFF;
  background: #D32121;
  font-weight: bold;
  padding: 0 0.26rem;
  display: inline-block;
}
.zt-titbox h2 {
  font-size: 0.64rem;
  font-weight: bold;
  display: inline-block;
  margin-left: 0.5rem;
  margin-bottom: 0.11rem;
  width: 85%;
}

.zt-tit2 {
  margin-top: 1.07rem;
  margin-bottom: 1.07rem;
}
.zt-tit2 h3 {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: bold;
  color: #FFF;
  background: #D32121;
  line-height: 1.3em;
  padding: 0.17rem 0;
  padding-left: 0.6rem;
  padding-right: 0.47rem;
  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: 0.6rem;
}
.zt-crush .pic {
  width: 100%;
  margin-bottom: 0.64rem;
}
.zt-crush .zt-list {
  width: 100%;
  margin-top: 0.17rem;
}
.zt-crush .txt {
  width: 100%;
  right: 0;
  background: #D32121;
  box-sizing: border-box;
  margin-top: 1.07rem;
  padding: 0.43rem 0.85rem;
}
.zt-crush .txt p {
  font-weight: bold;
  color: #FFF;
}

.zt-list li {
  padding-left: 0.6rem;
  line-height: 1.7em;
  position: relative;
}
.zt-list li::before {
  content: "";
  width: 0.21rem;
  height: 0.21rem;
  background: #D32121;
  position: absolute;
  left: 0;
  top: 0.5em;
}

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

.zt-agglome {
  width: 100%;
  align-items: initial;
}
.zt-agglome .item {
  width: 100%;
  border: 2px dotted #D32121;
  box-sizing: border-box;
  border-radius: 0.21rem;
  box-sizing: border-box;
  padding: 0.64rem 0.85rem;
  margin-top: 30px;
}
.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: 0.64rem;
}

.zt-pretreat {
  position: relative;
  z-index: 1;
  padding: 1.28rem 0.64rem;
}
.zt-pretreat img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
  z-index: -1;
}
.zt-pretreat .txt {
  width: 100%;
  background: #FFF;
  box-sizing: border-box;
  padding: 0.85rem 0.96rem;
}

.zt-leach .zt-left {
  width: 100%;
}
.zt-leach .zt-left img {
  border: 1px solid #E6E6E6;
  margin-top: 0.96rem;
}
.zt-leach .zt-right {
  margin-top: 1.07rem;
  width: 100%;
}
.zt-leach .zt-right p {
  margin-top: 0.64rem;
  margin-bottom: 0.43rem;
}
.zt-leach .zt-right .zt-list {
  margin-left: 0.53rem;
}
.zt-leach .zt-right .zt-list li {
  margin: 0.13rem 0;
}

.zt-leachtxt {
  background: #F2F5FA;
  margin-top: 1.07rem;
  padding: 0.64rem 1.07rem;
}

.zt-stack h4 {
  font-weight: bold;
  color: #D32121;
  margin-top: 0.64rem;
  margin-bottom: 0.43rem;
}
.zt-stack .zt-list {
  margin-left: 0.32rem;
  margin-bottom: 0.53rem;
}
.zt-stack .zt-left {
  width: 100%;
}
.zt-stack .zt-left img {
  margin-top: 0.64rem;
}
.zt-stack .zt-right {
  width: 100%;
  margin-top: 1.07rem;
}
.zt-stack .zt-right img {
  margin-bottom: 0.64rem;
}
.zt-stack .zt-right ul {
  margin-left: 0.43rem;
}

.zt-solut {
  flex-direction: row-reverse;
  margin-top: 0.85rem;
}
.zt-solut .pic {
  width: 100%;
}
.zt-solut .txt {
  margin-top: 0.85rem;
  width: 100%;
}
.zt-solut .txt .zt-list {
  margin-top: 0.64rem;
  margin-bottom: 0.85rem;
}
.zt-solut .txt .zt-list li {
  margin: 0.11rem 0;
}

.zt-distrib {
  margin-bottom: 0.85rem;
}
.zt-distrib .pic {
  width: 100%;
}
.zt-distrib .txt {
  width: 100%;
  margin-top: 1.07rem;
}
.zt-distrib .txt h4 {
  font-weight: bold;
  color: #D32121;
}
.zt-distrib .txt .zt-list {
  margin-top: 0.32rem;
}
.zt-distrib .txt .zt-list li {
  margin: 0.13rem 0;
}

.zt-collect .img {
  margin-top: 0.96rem;
}
.zt-collect .img img {
  width: 47.6%;
}

.zt-carbon .zt-left {
  width: 100%;
}
.zt-carbon .zt-left img {
  margin-top: 1.07rem;
}
.zt-carbon .zt-list {
  margin: 0.53rem 0;
}
.zt-carbon .zt-right {
  width: 100%;
  margin-top: 1.07rem;
}
.zt-carbon .zt-right img {
  border: 1px solid #E6E6E6;
  box-sizing: border-box;
}

.zt-heap {
  position: relative;
  z-index: 1;
  margin-top: 0.85rem;
  padding: 1.07rem 1.02rem;
}
.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: 100%;
  box-sizing: border-box;
  padding: 0.75rem 0.85rem;
}
.zt-heap .txt h4 {
  font-weight: bold;
  color: #D32121;
}
.zt-heap .txt .zt-list {
  margin: 0.43rem 0;
}

.zt-gold h4 {
  font-weight: bold;
  color: #D32121;
  margin-bottom: 0.64rem;
}

.zt-goldpro {
  margin-top: 1.07rem;
  flex-direction: row-reverse;
}
.zt-goldpro .pic {
  width: 100%;
}
.zt-goldpro .txt {
  width: 100%;
  margin-top: 1.07rem;
}
.zt-goldpro .txt h4 {
  margin-bottom: 0;
}
.zt-goldpro .txt .zt-list {
  margin: 0.43rem 0;
}
.zt-goldpro .txt .zt-list li {
  margin: 0.11rem 0;
}

.zt-tablebox {
  margin: 0.85rem 0;
}
.zt-tablebox table {
  width: 100%;
  border-top: 1px solid #EDEDED;
  border-left: 1px solid #EDEDED;
  border-collapse: collapse;
  box-sizing: border-box;
}
.zt-tablebox table td, .zt-tablebox table th {
  border-right: 1px solid #EDEDED;
  padding: 0.21rem;
  font-size: 0.55rem;
  text-align: center;
}
.zt-tablebox table th {
  font-size: 0.55rem;
  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: 1.07rem 0;
}
.zt-select .pic img {
  width: 47.4%;
}
.zt-select .txt {
  margin-top: 1.28rem;
  padding: 0.85rem 1.2rem;
  background: url(../images/gradepic18.jpg) no-repeat;
  background-size: 100% 100%;
}
.zt-select .txt p {
  color: #FFF;
}