html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: "Microsoft YaHei", "宋体", "黑体", "Helvetica Neue", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
em,
img,
strong,
sub,
sup,
tt,
dd,
dl,
dt,
form,
label,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
ul,
li,
p,
a,
section {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

input,
select,
textarea {
    vertical-align: middle;
    -ms-behavior: url(css/PIE.htc);
    behavior: url(css/PIE.htc);
    outline: none;
}

img {
    border: 0;
    margin: 0;
    padding: 0;
    display: block;
}

ul li {
    list-style-type: none;
}

a {
    blr: expression(this.onFocus=this.blur());
    text-decoration: none;
}

* {
    margin: 0;
    padding: 0;
    border: 0;
}

div,
a {
    tap-highlight-color: rgba(0, 0, 0, 0);
    focus-ring-color: rgba(0, 0, 0, 0);
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -moz-tap-highlight-color: rgba(0, 0, 0, 0);
    -moz-focus-ring-color: rgba(0, 0, 0, 0);
}

.show-pc {
    display: block;
}

.show-phone {
    display: none;
}
.cas-container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.cas-container img {
    width: 100%;
}

/* 头部 */
.cas-header {
    width: 100%;
    position: absolute;
    top:3.2%;
    left:0%;
    overflow: hidden;
    padding: 0 46px;
    box-sizing: border-box;
    display: none;
}
.cas-header-wrap-logo {
    width: 6%;
    float: left;
}
.cas-menu-btn{
    width: auto;
    float:right;
    font-size: 18px;
}
.cas-menu-btn a{
    color: #fff;
}
.cas-menu-btn p{
    float:left;
}
.cas-menu-btn img{
    width:15px;
    float:left;
    margin-left: 10px;
}
.cas-header-wrap-logo img {
    width: 100%;
}

/* banner */

.cas-bannerbox {
    width: 100%;
    position: fixed;
    top: 0;
    left:0;
    z-index: 5;
    height: 100%;
    margin: 0 auto;
    background: url(../images/cas-banner.jpg) no-repeat center center;
    background-size: cover; 
    overflow: hidden;
}
.cas-banner-titbox {
    position: absolute;
    left: 0;
    top: 69%;
    right:0;
    bottom:0;
    margin:0 auto;
    width: 100%;
    height: auto;
    text-align: center;
    display: none;
}
/* .cas-banner-titimg{
    width:32%;
    margin:0 auto;
} */
.cas-banner-tit{
    font-size: 36px;
    font-weight: 600;
    color:#fff;
}
.cas-banner-txt{
    font-size: 18px;
    color:#fff;
    line-height: 2em;
    margin: 2% 0;
}
.cas-banner-btn{
    width:10.8%;
    margin:0 auto;
    cursor: pointer;
}
.cas-banner-btn2{
    width:1.2%;
    margin:0 auto;
    margin-top: 2%;
}


/* 内容 */
.cas-content {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    display: none;
}

.cas-main {
    width: 1000px;
    position: relative;
    margin: 0 auto;
}
.cas-box{
    position: relative;
    width:100%;
}
.cas-titbbox{
    width:100%;
    margin:60px auto 46px;
}
.cas-itembox{
    width:79%;
    position: absolute;
    top:0.3%;
    left:20%;
    overflow: hidden;
}
.cas-itembox2 .cas-left,.cas-itembox4 .cas-left,.cas-itembox6 .cas-left,.cas-itembox8 .cas-left,.cas-itembox10 .cas-left,.cas-itembox12 .cas-left{
    float: left;
}
.cas-itembox2 .cas-right,.cas-itembox4 .cas-right,.cas-itembox6 .cas-right,.cas-itembox8 .cas-right,.cas-itembox10 .cas-right,.cas-itembox12 .cas-right{
    float: left;
}
.cas-left{
    width:32.5%;
    float:right;
    margin-right: 8.4%;
}
.cas-right{
    width:59.1%;
    float:right;
    position: relative;
}
.cas-right-txtbox{
    width:100%;
    position: absolute;
    top:0%;
    left:0%;
    overflow: hidden;
    box-sizing: border-box;
    padding: 0px 40px;
    color: #595757;
    padding-top: 35px;
}
.cas-r-tit{
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 18px;
}
.cas-r-txtbox{
    width:100%;
    overflow: hidden;
    margin-top: 10px;
}
.cas-r-icon{
    width:15px;
    float: left;
    margin-top: 2.8%;
}
.cass-r-txt{
    width:94%;
    font-size: 20px;
    float: right;
    line-height: 1.6em;
}
.cas-itembox2{
    top: 9.2%;
    left:1%;
}
.cas-2022 {
    margin-left: 8.4%;
    margin-top: 1.8%;
    margin-right: 0;
}
.cas-2012{
    margin-left: 8.4%;
    margin-top: 1.3%;
    margin-right: 0;
}
.cas-itembox3{
    top: 17.2%;
}
.cas-2013{
    margin-top: 2.3%;
}
.cas-2019{
    margin-top: 3.3%;
}
.cas-2018{
    margin-top: 2.3%;
    margin-left: 8.4%;
    margin-right: 0;
}
.cas-itembox4{
    top: 26%;
    left:1%;
}
.cas-itembox5{
    top: 33.4%;
}
.cas-itembox6{
    top: 41.4%;
    left:1%;
}
.cas-itembox7{
    top: 49.3%;
}
.cas-itembox8{
    top: 57%;
    left:1%;
}
.cas-itembox9{
    top: 64.3%;
}
.cas-itembox10{
    top: 72.4%;
    left:1%;
}
.cas-itembox11{
    top: 79%;
}
.cas-itembox12 {
    top: 85.5%;
    left: 1%;
}
.cas-itembox13 {
    top: 92.6%;
  
}

.cas-2011-right-txtbox{
    margin-top: 5%;
}
.cas-content2{
    background: #F7F7F7;
    margin-top: 60px;
}
.cas-zy-titbox{
    width:100%;
    text-align: center;
    padding: 60px 0%;
}
.cas-zyimg{
    width:35.6%;
    margin: 0 auto;
}
.cas-zy-txtbox{
    margin: 60px 0 50px 0;
}
.cas-zy-txt{
    font-size: 16px;
    color:#595757;
    line-height: 2em;
    margin-top: 15px;
}
.cas-zy-jy{
    width:38%;
    overflow: hidden;
    margin:0 auto;
}
.cas-zy-btn{
    width:154px;
    height: 48px;
    line-height: 48px;
    font-size: 22px;
    background: #e60012;
    border-radius: 25px;
    float: left;
    text-align: center;
}
.cas-zy-btn a{
    color: #fff;
    display: inline-block;
    width: 100%;
}
.cas-zy-btn1{
    float:right;
}
.cas-top{
    width:4.7%;
    position: fixed;
    right: 4%;
    bottom: 35%;
    display: none;
    cursor: pointer;
}

.bottom {
    width: 100%;
    height: 60px;
    background-color: #4d4d4d;
    text-align: center;
    font-size: 12px;
    line-height: 60px;
    color: #e5e5e5;
    display: none;
}

.bottom img {
    vertical-align: middle;
    display: inline-block;
    padding-left: 1%;
    padding-right: 0.5%;
}

@media(max-width:1200px) {
    .cas-main {
        width: 960px;
        position: relative;
        margin: 0 auto;
        overflow: hidden;
    }

    .cas-header-wrap {
        width: 960px;
        height: 80px;
        overflow: hidden;
        margin: 0 auto;
    }
    .cass-r-txt {
        font-size: 19px;
    }


}

@media(max-width:768px) {
    .show-pc {
        display: none;
    }

    .show-phone {
        display: block;
    }
    .cas-box{
        padding-top: 5%;
    }
    .cas-main {
        width: 87%;
        position: relative;
        margin: 0 auto;
        overflow: hidden;
    }
    .cas-header {
        padding: 0 3.2%;
        top:2%;
    }
 
    .cas-bannerbox img {
        width: 100%;
    }
    .cas-bannerbox {
        height: auto;
        background: none;
    }

    .cas-header-wrap {
        width: 93%;
        height: auto;
        overflow: hidden;
        margin: 0 auto;
    }

    .cas-header-wrap-logo {
        width: 17.7%;
        float: left;
        margin-top: 0%;
    }

    .cas-header-menu-w {
        width: 100%;
        position: fixed;
        top: 7%;
        right: 0;
        z-index: 3;
        /* display: none; */
        border-bottom: 1px solid #ddd;
        z-index: 11;
        background-color: #fff;
    }

    .cas-header-menu-w li {
        border-top: 1px solid #ddd;
    }

    .cas-header-menu-list {
        font-size: 3.6vw;
        width: 100%;
        padding: 2% 5%;
        background-color: #fff;
    }

    .cas-header-menu-list a {
        color: #333333;
    }

    .cas-header-menu-list.active {
        color: #e60012;
    }

    .cas-menu-btn {
        font-size: 3.2vw;
        width:auto;
        margin-top: 1%;
    }

    .cas-menu-btn img {
        width:8%;
        float: right;
        margin-left: 0%;
    }
    .cas-titbbox {
        width: 100%;
        margin: 5% auto 0%;
        position: absolute;
        top:0%;
        left: 0%;
    }
    .cas-content {
        padding-top: 5%;
    }

    .cas-banner-titbox {
        top: 57%;
    }
    .cas-banner-tit {
        font-size: 6.13vw;
    }
    .cas-banner-txt {
        font-size: 3.2vw;
        margin: 8% 0;
    }
    .cas-banner-btn {
        width: 33.8%;
    }
    .cas-banner-btn2 {
        width: 4.2%;
        margin-top: 23%;
    }



    .cas-banner-tititem {
        position: absolute;
        left: 6.8%;
        top: 15.5%;
        width: 83.2%;
    }

    .cas-banner-icon {
        width: 62%;
        font-size: 3.2vw;
        font-weight: 600;
        margin-top: 5%;
    }

    .cas-banner-icon img {
        width: 7%;
        margin-right: 3%;
        float: left;
        margin-top: 1%;
    }

    .cas-titbox {
        top: 7.5%;
        font-size: 3.47vw;
    }
    .cas-right {
        width: 100%;
        float:none;
        position: relative;
        margin-top: 5%;
    }
    .cas-right:first-child{
        margin-top: 0%;
    }
    .cas-left {
        width: 100%;
        float:none;
        margin-right: 0;
        margin-top: 9%;
        margin-left: 4%;
    }
    .cas-right-txtbox {
        padding: 0px 7%;
        color: #595757;
        padding-top: 5%;
    }
    .cas-r-tit {
        font-size: 4.3vw;
        margin-bottom: 5%;
    }
    .cas-r-icon {
        width:10px;
        margin-top:2%;
    }
    .cas-r-txtbox {
        margin-top:3%;
    }
    .cass-r-txt {
        width: 94%;
        font-size: 3.73vw;
        float: right;
        line-height: 1.6em;
    }
    .cas-itembox {
        width: 92.5%;
        position: absolute;
        top: 1.5%;
        left: 6%;
        overflow: hidden;
    }
    .cas-itembox2{
        top: 9.26%;
        left: 6%;
    }
    .cas-2012{
        margin-left: 0%;
        margin-top: 10%;
    }
    .cas-itembox3{
        top: 17.2%;
    }
    .cas-2013{
        margin-top: 10%;
    }
    .cas-itembox4{
        top: 25.44%;
        left: 6%;
    }
    .cas-itembox5{
        top: 32.82%;
    }
    .cas-itembox6{
        top: 41%;
        left: 6%;
    }
    .cas-itembox7{
        top: 49.73%;
    }
    .cas-itembox8{
        top: 57.6%;
        left: 6%;
    }
    .cas-itembox9{
        top: 65.5%;
    }
    .cas-itembox10{
        top: 73.44%;
        left: 6%;    
    }
    .cas-itembox11{
        top: 79.54%;
    }
    .cas-itembox12{
        top: 85.75%;
    }
    .cas-itembox13{
        top: 92.3%;
    }
    .cas-t{
        width:84.67%;
    }
    .cas-itembox5 .cas-right,.cas-itembox6 .cas-right,.cas-itembox7 .cas-right,.cas-itembox8 .cas-right,.cas-itembox9 .cas-right,.cas-itembox10 .cas-right,.cas-itembox11 .cas-right{
         margin-top: 11%;
    }
    .cas-itembox3 .cas-left{
        margin-top: 11%;
    }
    .cas-itembox3 .cas-right{
        margin-top: 11%;
    }
    .cas-itembox4 .cas-right{
        margin-top: 11%;
    }
    .cas-itembox4 .cas-left{
        margin-top: 7%;
        margin-left: 4%;
    }
    .cas-itembox10 .cas-right{
        margin-top: 5%;
    }
    .cas-itembox10 .cas-left{
        margin-top: 3%;
        margin-left: 4%;
    }
    .cas-itembox8 .cas-left{
        margin-top: 3%;
        margin-left: 4%;
    }
    .cas-itembox12 .cas-left{
       
        margin-left: 4%;
    }
    .cas-itembox11 .cas-right{
        margin-top: 5%;
    }
    .cas-itembox11 .cas-left{
        margin-top: 7%;
    }
    .cas-content2 {
        margin-top: 8%;
    }
    .cas-zy-titbox {
        padding: 2% 0% 10% 0%;
    }
    .cas-zyimg {
        width: 57.1%;
    }
    .cas-zy-txtbox{
        margin: 8% 0 8% 0;
    }
    .cas-zy-txt{
        font-size: 3.467vw;
        line-height: 1.8em;
        margin-top: 3%;
    }
    .cas-zy-btn {
        width:42.2%;
        height: auto;
        padding: 2% 0;
        line-height:1.8em;
        font-size: 3.6vw;
        background: #e60012;
        border-radius: 20px;
    }
    .cas-zy-jy {
        width: 72.2%;
    }
    .cas-bannerbox {
        width: 100%;
        position: fixed;
        top: 0;
        left:0;
        z-index: 5;
        height: 100%;
        margin: 0 auto;
        background: url(../images/cas-banner-w.jpg) no-repeat top center;
        background-size: cover; 
        overflow: hidden;
    }
    .cas-menu-btn p {
    margin-left: 10%;
    }

    .cas-top{
        width:11%;
        bottom: 30%;
    }
    .bottom {
        padding: 2.5% 0;
        height: auto;
        line-height: 1.75em;
        font-size: 3vw;
    }

    .bottom span {
        display: block;
    }

    .main {
        width: 93%;
    }

}