* {
    margin: 0;
    padding: 0;
    font-family: "微软雅黑";
}

ul,
li {
    list-style: none;
}

a {
    text-decoration: none;
}

.ltgaibanner img {
    width: 100%;
}

.ltgai1 {
    width: 100%;
    height: 690px;
    background: url(/images/ltgai1_02.jpg) no-repeat 0 0;
    margin-top: -4px;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.ltgai1 h1 {
    text-align: center;
    padding-top: 60px;
    font-size: 36px;
    color: #000;
    letter-spacing: 3px;
    margin-bottom: 5px;
}

.ltgai1 h2 {
    text-align: center;
    font-size: 20px;
    color: #616161;
    letter-spacing: 3px;
    font-weight: normal;
}

.ltgai1box ul li {
    float: left;
    width: 219px;
    height: 313px;
    margin-left: 22px;
    position: relative;
}

.ltgai1box ul li img {
    width: 219px;
    height: 313px;
}

.ltgai1box ul li a {
    width: 219px;
    height: 313px;
    display: block;
}

.ltgai1box ul li:nth-child(1) {
    margin-left: 0;
}

.ltgai1box ul li:nth-child(2) {
    margin-top: 48px;
}

.ltgai1box ul li:nth-child(4) {
    margin-top: 48px;
}

.ltgai1box ul li p {
    position: absolute;
    font-size: 22px;
    color: #000;
}

.ltgai1box .lihei1 {
    bottom: 40px;
    left: 15px;
}

.ltgai1box .lihei2 {
    bottom: 15px;
    left: 15px;
}

.ltgai1box ul li:hover .dinglt {
    display: none;
}

.ltgai1box ul li:hover .lihei1 {
    color: #fff;
}

.ltgai1box ul li:hover .lihei2 {
    color: #fff;
}

.ltgai1box .dinglt {
    display: block;
    background: rgba(255, 255, 255, 0.6);
    width: 219px;
    height: 313px;
    top: 0;
    left: 0;
}

.ltgai1 .ltgai1box ul .hov1 .dinglt {
    display: none;
}

.ltgai1 .ltgai1box ul .hov1 .lihei1 {
    color: #fff;
}

.ltgai1 .ltgai1box ul .hov1 .lihei2 {
    color: #fff;
}

.ltgai1box ul .hov1:hover .lihei1 {
    color: #000;
}

.ltgai1box ul .hov1:hover .lihei2 {
    color: #000;
}

.ltgai1box ul .hov1:hover .dinglt {
    display: block;
}

.ltgai1box ul {
    height: 430px;
    margin-top: 70px;
}

.ltgai2 {
    height: 950px;
}

.ltgai2-t1 {
    text-align: center;
    padding-top: 60px;
    font-size: 36px;
    color: #000;
    letter-spacing: 3px;
    margin-bottom: 5px;
    font-weight: bold;
}

.ltgai2-t2 {
    text-align: center;
    font-size: 20px;
    color: #616161;
    letter-spacing: 3px;
}

.ltgai2bj {
    width: 100%;
    height: 491px;
    background: url(/images/ltbj_02.png) no-repeat 0 0;
    background-position: center 0;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    /* 兼容Webkit内核浏览器如Chrome和Safari */
    -o-background-size: cover;
    /* 兼容Opera */
    zoom: 1;
}

.ltgai2cont {
    width: 560px;
    height: 500px;
}

.ltgai2bj .w1200 {
    margin-top: 45px;
}

.puttit {
    font-size: 30px;
    color: #d6b100;
}

.puttit2 {
    font-size: 20px;
    color: #979797;
    float: left;
    width: 600px;
    margin-top: 16px;
    margin-bottom: 70px;
}

.puttit2 img {
    width: 119px;
    height: 20px;
}

.putcont {
    font-size: 22px;
    line-height: 38px;
}

.ltphe {
    font-size: 26px;
    color: #979797;
    height: 40px;
    margin-top: 57px;
    margin-bottom: 10px;
}

.ltphe img {
    margin-top: 3px;
    float: left;
}

.ltzx a {
    display: block;
    font-size: 22px;
    color: #979797;
    width: 130px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    border: 1px solid #979797;
    border-radius: 20px;
}

.ltgai2cont2 {
    height: 160px;
}

.ltgai2cont2 ul {
    margin-top: 90px;
}

.ltgai2cont2 ul li {
    width: 390px;
    height: 120px;
    float: left;
}

.ltgai2cont2 ul li:nth-child(2) {
    border-left: 1px solid #979797;
    border-right: 1px solid #979797;
    height: 75px;
}

.ltgai2cont2 li p {
    text-align: center;
    color: #979797;
}

.ltgai2cont2 li .hovh1 {
    font-size: 58px;
    color: #acacac;
    font-weight: 900;
}

.ltgai2cont2 li .hovh1:hover {
    color: #d6b100;
}

.ltgai3 {
    background: url(/images/ltcsbj_02.jpg) no-repeat 0 0;
    height: 653px;
}

.ltgai3 p:nth-child(1) {
    font-size: 38px;
    text-align: center;
    color: #fff;
    padding-top: 44px;
    font-weight: 300;
    letter-spacing: 2px;
}

.ltgai3 p:nth-child(2) {
    font-size: 20px;
    text-align: center;
    color: #fff;
    margin-top: 2px;
    margin-bottom: 28px;
}

.ltgai4 {
    background: url(/images/ltzzx_02.jpg) center;
    height: 464px;
}

.ltgai4-p {
    width: 435px;
    height: 44px;
    padding-top: 42px;
    float: right;
    position: relative;
}

.ltgai4-p p {
    position: absolute;
    top: 47px;
    right: 50px;
    font-size: 24px;
    color: #ffd200;
    font-weight: 600;
}

.Superior ul {
    height: 390px;
    margin-top: 27px;
    margin-bottom: 40px;
}

.Superior ul li {
    width: 287px;
    height: 381px;
    float: left;
    position: relative;
    margin-right: 17px;
}

.Superior ul li .sord {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 287px;
    height: 381px;
    background-color: rgba(230, 229, 230, 0.4);
}

.Superior ul li p {
    width: 260px;
    text-align: right;
    font-size: 28px;
    font-weight: bold;
    color: #383838;
    margin-top: 26px;
    margin-bottom: 170px;
}

.Superior ul li div {
    color: #383838;
    font-size: 20px;
    width: 220px;
    margin: 0 auto;
    z-index: 9999;
}

.Superior ul li:hover .sord {
    background-color: rgba(230, 229, 230, 0);
}

.Superior ul li:hover .sord p {
    color: #fff;
}

.Superior ul li:hover .sord div {
    color: #fff;
}

.zzzm .zzzm-r {
    width: 506px;
    height: 465px;
    float: right;
}

.zzzm ul {
    margin-top: 68px;
}

.zzzm ul li p:nth-child(2) {
    width: 31px;
    height: 3px;
    background-color: #101010;
    margin-top: 17px;
    margin-bottom: 16px;
}

.zzzm ul li p:nth-child(1) {
    font-size: 20px;
    color: #373737;
}

.zzzm p a {
    width: 132px;
    height: 42px;
    display: block;
    background-color: #d6b100;
    color: #fff;
    font-size: 24px;
    border-radius: 20px;
    text-align: center;
    line-height: 42px;
}

.zzzm {
    background: url(/images/zzzm1_15.jpg) center;
    height: 465px;
    width: 100%;
    background-position: center 0;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    /* 兼容Webkit内核浏览器如Chrome和Safari */
    -o-background-size: cover;
    /* 兼容Opera */
    zoom: 1;
}

.lt-mest {
    height: 100px;
    color: #fff;
    font-size: 36px;
    text-align: center;
    line-height: 100px;
}

.input {
    width: 494px;
    height: 51px;
    float: left;
    color: #fff;
    border: 2px solid #fff;
    background-color: rgba(255, 255, 255, 0.000001);
    outline: none;
}

.require {
    width: 1013px;
    height: 111px;
    color: #fff;
    border: 2px solid #fff;
    background-color: rgba(255, 255, 255, 0.000001);
    outline: none;
}

.messa1 {
    position: relative;
}

.messa1 input {
    float: left;
    display: block;
    margin-bottom: 22px;
}

.messa1 i {
    display: block;
    font-family: none;
    color: #fff;
    font-size: 20px;
    position: absolute;
    right: 15px;
    top: 17px;
    height: 0;
}

.messa4 i {
    position: absolute;
    left: 472px;
    top: 17px;
}

.messa2 {
    width: 155px;
    height: 48px;
    margin: 0 auto;
}

.messa2 input {
    width: 155px;
    height: 48px;
    background-color: #d6b100;
    color: #fff;
    text-align: center;
    line-height: 48px;
    font-size: 24px;
    border: 0;
}

.lt-mes {
    background: url(/images/ltsq1_02.jpg) no-repeat 0 0;
    height: 421px;
}

.messa {
    width: 1013px;
    margin: 0 auto;
}


/* 铁合金 */

.thejgai {
    background: none
}

.thejbox ul li img {
    width: 272px;
    height: 313px;
}

.thejgai ul li {
    width: 272px;
    height: 313px;
}

.thejbox .dinglt {
    width: 272px;
    height: 313px;
}

.thejbox ul li:nth-child(2) {
    margin-top: 0;
}

.thejbox ul li:nth-child(4) {
    margin-top: 0;
}

.thejbox {
    background-color: #f7f4e7;
    height: 466px;
}

.thejbox ul {
    margin-top: 20px;
    padding-top: 40px;
}

.thejbox .lihei1 {
    top: -62px;
    left: 0px;
    color: #202020;
}

.thejbox .lihei2 {
    top: -26px;
    left: 0px;
}

.thejbox ul .lihei2 {
    width: 37px;
    height: 3px;
    background-color: #838383;
}

.thejgai .thejbox ul li p {
    color: #838383;
}

.thejgai .thejbox ul .lihei1 {
    color: #838383;
}

.thejgai .thejbox ul .hov1 .lihei1 {
    color: #838383;
}

.thejgai .thejbox ul li:hover .lihei1 {
    color: #202020;
}

.thejgai .thejbox ul li:hover .lihei2 {
    background-color: #c2a208;
}

.thejbox ul .hov1 .dinglt {
    width: 272px;
    display: none;
}

.thejgai .thejbox ul .hov1 :hover .lihei2 {
    background-color: #838383;
}

.thejgai .thejbox ul .hov1 :hover .lihei1 {
    color: #838383;
}

.thejgai .thejbox ul .hov1 .lihei1 {
    color: #202020;
}

.thejgai .thejbox ul .hov1 .lihei2 {
    background-color: #c2a208;
}

.thejbox ul {
    padding-top: 90px;
}

.zzzm2 {
    background: url(/images/thej06_02.png) no-repeat 0 0;
    height: 575px;
    margin-top: 40px;
    width: 100%;
    background-position: center 0;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    /* 兼容Webkit内核浏览器如Chrome和Safari */
    -o-background-size: cover;
    /* 兼容Opera */
    zoom: 1;
}

.puttit0 {
    width: 92px;
    height: 3px;
    background-color: #000;
    margin-top: 42px;
}

.zzzm3 {
    background: url(/images/thej15_02.jpg) no-repeat 0 0;
    height: 576px;
    width: 100%;
    background-position: center 0;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    /* 兼容Webkit内核浏览器如Chrome和Safari */
    -o-background-size: cover;
    /* 兼容Opera */
    zoom: 1;
}

.zzzm3 .zzzm-r {
    width: 360px;
    float: left;
    margin-left: 120px;
}

.ltzx a:hover {
    border: 1px solid #0a7cd8;
    background-color: #0a7cd8;
    color: #fff;
}

.zzzm p a:hover {
    background-color: #0a7cd8;
}


/* 磷生铁系列 */

.lstgai .ltgai1box ul li img {
     width: 268px;
    height: 226px;
}

.lstgai .ltgai1box .dinglt {
     width: 268px;
    height: 226px;
    border-top-left-radius: 6%;
    border-top-right-radius: 6%;
}

.lstgai .ltgai1box ul li {
     width: 268px;
    height: 226px;
    margin-left: 30px;
}
.lstgai  .ltgai1box ul li:nth-child(4){
    margin-top: 0;
}
.lstgai .ltgai1box ul {
    margin-top: 94px;
}

.lstgai .ltgai1box ul .lihei1 {
    width: 268px;
    height: 60px;
    line-height: 60px;
    color: #949494;
    background-color: #f7eee6;
    left: 0;
    bottom: -60px;
    text-indent: 1em;
}

.lstgai .ltgai1box ul .hov1 .lihei1 {
    color: #c36100;
}

.lstgai .ltgai1box ul li:hover .lihei1 {
    color: #c36100;
}

.lstgai .ltgai1box ul .hov1 :hover .lihei1 {
    color: #949494;
}

.lstgai {
    height: 560px;
}

.lstgai2 .puttit2 {
    background-color: #c65f00;
    width: 305px;
    height: 35px;
    color: #fff;
    line-height: 35px;
    margin-right: 60px;
}

.lstgai2 .puttit2 p {
    float: left;
    text-indent: 1em;
}

.lstgai2 .puttit2 img {
    width: 111px;
    height: 35px;
    margin-left: 6px;
}

.lstgai2 .putcont {
    width: 360px;
    height: 300px;
    font-family: "黑体";
}
.ltgai2cont{
        text-align: left;
}
.lstgai2 .puttit {
    color: #c65f00;

}

.lstgai3 ul li div {
    color: #000;
}

.lstgai4 {
    height: 507px;
}

.lstgai4 .zzzm-r {
    width: 400px;
}

.lstgai4 ul {
    margin-top: 57px;
}

.lstgai4 p a {
    background-color: #c65f00;
}

.lstgai4 p a:hover {
    background-color: #d6b100;
}


/* 添加剂系列 */

.tjjgai .ltgai1box ul li {
    width: 564px;
    height: 260px;
    margin-left: 30px;
}

.tjjgai .ltgai1box ul li img {
    width: 563px;
    height: 259px;
}

.tjjgai .ltgai1box .dinglt {
    width: 564px;
    height: 260px;
    /* border-top-left-radius: 6.1em;
    border-top-right-radius: 6.1em;
    border-bottom-right-radius: 6.1em;
    border-bottom-left-radius: 6.1em; */
    border-radius: 7em;
}

.tjjgai .ltgai1box ul .lihei1 {
    width: 510px;
    height: 60px;
    line-height: 60px;
    color: #0e0e0e;
    bottom: -60px;
    text-indent: 1em;
    text-align: center;
    background-color: rgba(230, 229, 230, 0);
}

.tjjgai .ltgai1box ul .hov1 .lihei1 {
    color: #0e0e0e;
}

.tjjgai .ltgai1box ul .hov1:hover .lihei1 {
    color: #8b8b8b;
}

.tjjgai .ltgai1box ul li:hover .lihei1 {
    color: #0e0e0e;
}

.tjjgai .ltgai1box ul li .lihei1 {
    color: #8b8b8b;
}

.tjjgai2 .puttit {
    color: #004da8;
}

.tjjgai2 .puttit2 {
    background-color: #004da8;
}

.zentjgai1 .puttit2 {
    margin-bottom: 30px;
}

.zentjgai1 .putcont {
    width: 386px;
    height: 350px;
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #fff;
    font-size: 16px;
}
    .tgst1 p {
        text-align: center;
    }
    
    .tgst1 p:nth-child(1) {
        font-size: 40px;
        color: #000;
        margin-top: 50px;
        margin-bottom: 10px;
    }
    
    .tgst1 p:nth-child(2) {
        font-size: 20px;
        color: #a6a6a6;
        margin-bottom: 40px;
    }
    
    .tgst1 p:nth-child(3) {
        font-size: 28px;
        color: #c65f00;
        margin-bottom: 18px;
    }
    
    .tgst1 p:nth-child(4) {
        font-size: 20px;
        color: #444243;
        margin-bottom: 40px;
    }
    
    .tgst1 p span {
        color: #c65f00;
        font-size: 26px;
    }
    
    .tgst1 img {
        width: 100%;
    }
    
    .sttt {
        width: 1070px;
        margin: 0 auto;
        margin-top: 20px;
        margin-bottom: 60px;
        font-size: 23px;
        line-height: 40px;
    }
    
    .tgstn {
        width: 1200px;
        margin: 0 auto;
    }
    
    .tgstn li .hovh1:hover {
        color: #c65f00;
    }
    
    .tgstn2 {
        height: 384px;
        background: #f7eee7;
    }
    
    .tgstn2 p:nth-child(1) {
        color: #000;
       padding-top: 20px;
    }
    
    .tgstn2 p:nth-child(2) {
        color: #000;
    }
    
    .tgstn3 a {
        margin: 0 auto;
        margin-top: 20px;
        background-color: #c65f00;
        color: #fff;
        border: 1px solid #c65f00;
    }
    
    .tgstn4 .zzzm-r {
        float: none;
    }
    
    .tgstn4 {
        background: url(/images/tgst04_10.jpg) center;
        height: 716px;
    }
    
    .tgstn4 ul {
        padding-top: 158px;
        margin-top: 50px;
        margin-left: 140px;
    }
    .tgstn4 ul li p:nth-child(1){
        font-size: 26px
    }
    .tgstn4 ul li p:nth-child(2) {
        width: 435px;
        height: 30px;
        font-size: 20px;
        background-color: #f7eee7;
        margin-top: 0px;
        margin-bottom: 0px;
    }
    
    .tgstn4 ul li p:nth-child(3) {
        width: 31px;
        height: 3px;
        background-color: #101010;
        margin-top: 17px;
        margin-bottom: 16px;
    }
    
    .tgstn4 p a {
        margin-left: 135px;
        margin-top: 60px;
        background-color: #c65f00;
        color: #fff;
    }
    
    .spid1 {
        margin-top: 16px;height: 490px;
    }
    
    .spid1 div {
        width: 597px;
        height: 399px;
        float: left;
        color: #fff;
    }
    
    .spid1 div p {
        text-align: center;
    }
    
    .spid1 div p:nth-child(1) {
        margin-top: 100px;
        font-size: 30px;
        margin-bottom: 45px;
    }
    
    .spid1 div p:nth-child(2) {
        width: 413px;
        font-size: 24px;
        margin: 0 auto;
    }
    @-moz-document url-prefix() { 
    #gotopc{
          top:63%;  
          top:63%;
        }

}

@media screen and (-webkit-min-device-pixel-ratio:0) {    
        #gotopc{ -webkit-top:69%;     top:69%;/*only for webkit*/    }




         }
#gotopc {
    width: 110px;
    position: fixed !important;
    position: absolute;
    right: 50px;
/*2015-07-17修改  top: 55%;*/

    
    top:70%\9;
    #top:70%;
    *top:70%;
    _top:70%;
    z-index: 20000;
    text-align: center;
    font-size: 12px;
}
#gotop div {
    width: 110px;
    height: 30px;
    margin-top: 2px;
    line-height: 30px;
}
#gotop .go_top {
    display: block;
    height: 30px;
    width: 110px;
}
#gotop div a:hover {
    background: #df3c3d;
}
#gotop div a {
    width: 110px;
    height: 30px;
    line-height: 30px;
    color: #ffffff;
    text-decoration: none;
    background: #93939e;
    display: block;
}
#gotop .go_top img {
    padding-top: 8px;
}
 #gotop{
    width: 110px;
    position: fixed !important;
    position: absolute;
    right: 50px;
    top: 18%;
    z-index: 20000;
    text-align: center;
    font-size: 12px; 
    }  


    
    /*干雾抑尘改版*/
        .gwbox1 {
      background: #ebebeb;
    }
    .all .ltgai2cont {
      float: right;
    }
    .all .lstgai2 .puttit2 {
      margin-right: 64px;
    }
    .all .putcont {
      font-size: 20px;
    }
    .all .banner img {
      width: 100%;
    }
    .all .ltgai2 {
      height: 870px;
    }
    .all .gwg2 ul {
      display: flex;
      justify-content: space-between;
    }
    .all .gwg2 ul:nth-child(1) li {
      width: 328px;
      height: 60px;
      line-height: 60px;
      font-size: 28px;
    }
    .gwg2 .w1200 ul:nth-child(1) {
      width: 1170px;
      text-align: center;
      margin-top: 58px;
    }
    .gwg2 .w1200 ul:nth-child(3) {
      width: 1162px;
      margin-left: 30px;
    }
    .gwg2 .w1200 ul:nth-child(3) li {
      font-size: 22px;
      width: 328px;
    }
    .gwg2 {
      background-color: #f2f2f2;
      height: 740px;
    }
    .gwg4 {
      height: 960px;
      background-color: #f5f5f5;
    }

    .gwg4 .gwbox1-t {
      padding-top: 277px;
    }
    .gwg4 .gwbox1 {
      margin-top: 55px;
      width: 255px;
      height: 789px;
      margin-left: 58px;
    }
    .gwg4 .gwbox1 ul li {
      padding-right: 8px;
      margin-top: 10px;
      line-height: 30px;
    }
     .all .zzzm ul li p:nth-child(1){
        font-size: 30px;
        color: #3176d0;
     }
    .all .zzzm ul li p:nth-child(2) {
      background: none;
      width: 360px;
      height: auto;
      font-size: 22px
    }
    .all .zzzm3 .zzzm-r {
      float: right;
    }
    .all .zzzm ul {
      margin-top: 37px;
    }
    .all .zzzm3 .zzzm-r {
      margin-left: 0;
      margin-right: 120px;
    }
       .shengt2  {
      border-collapse: collapse;
      border: 1px solid #000;
      text-align: center;
      width: 1200px;
            font-size: 22px;
    }
    .shengt2 td {
      border: 1px solid #000;
      height: 52px;
    }
    .shengt2 th {
      text-align: center;
      height: 52px;
    }