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

body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
p,
blockquote,
pre,
a,
address,
code,
b,
em,
img,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
footer,
header,
hgroup,
nav,
section {
    margin: 0;
    padding: 0;
    border: 0;
}

body {
    background: #fff;
    color: #666;
    position: relative;
    font: 12px/1.5 Microsoft YaHei, arial, 宋体, sans-serif;
    vertical-align: baseline;
    width: 100%;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    outline: none;
}

a:link {
    color: #666;
}

a:visited {
    color: #666;
}

a:hover,
a:active,
a:focus {
    color: rgb(1, 197, 176);
    text-decoration: none;
    outline: none;
}

input {
    padding: 0;
    margin: 0;
    font-family: 'Microsoft YaHei';
}

img {
    border: none;
    background: none;
    vertical-align: middle;
}

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

select,
input,
img,
select {
    vertical-align: middle;
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

table,
th,
td {
    vertical-align: middle
}

.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    overflow: hidden;
    visibility: hidden;
}

.clearfix {
    zoom: 1
}

.clearboth {
    height: 0px;
    line-height: 0px;
    overflow: hidden;
    clear: both;
    font-size: 0px;
}

h1,
h2,
h3,
h4 {
    font-size: 12px;
    font-weight: bold;
}

hr {
    border: 0;
    border-top: 1px solid #ccc;
    height: 0;
}

.com-img {
    display: inline;
    overflow: hidden;
    margin: 0 auto;
    display: table;
}

.com-img img {
    transition: all 0.5s ease-in 0s;
    -webkit-transition: all 0.5s ease-in 0s;
    -moz-transition: all 0.5s ease-in 0s;
    -o-transition: all 0.5s ease-in 0s;
}

.com-img:hover img {
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -o-transform: scale(1.1);
    -ms-transform: scale(1.1);
}


@font-face {
    font-family: 'constan2';
    src: url('https://www.letonn.com/template/default/fonts/Microsoft%20JhengHei%20UI/msjhl_0.ttc') format('truetype');

}

.ssddds {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.demo-message-wrap input::-webkit-input-placeholder,
.demo-message-wrap textarea::-webkit-input-placeholder {
    /* WebKit browsers */
    color: #fff;
}

.demo-message-wrap input:-moz-placeholder,
textarea:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #fff;
}

.demo-message-wrap input::-moz-placeholder,
textarea::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #fff;
}

.demo-message-wrap input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
    /* Internet Explorer 10+ */
    color: #fff;
}

.demo-message-wrap input[type='text']::-webkit-input-placeholder {
    color: #fff;
}



.aby_hh li:hover .aby_hh_img img {
    filter: invert(49%) sepia(93%) saturate(369%) hue-rotate(900deg) brightness(60%) contrast(93%);
}

/*头部样式*/
.sky {
    width: 1920px;
    position: relative;
    left: 50%;
    margin-left: -960px;
    height: 35px;
    background: #dddddd;
}

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

.huan {
    float: left;
    color: #666666;
    font: 400 12px/35px "Microsoft Yahei";
}

.huan a {
    line-height: 35px;
    color: #666666;
    font-size: 12px;
    padding-right: 5px;
}

.k1x {
    float: right;
    line-height: 35px;
    color: #666666;
    font-size: 12px;
}

.k1x a {
    color: #666666;
    font-size: 12px;
}

.xyin-case-sort li:hover,
.xyin-case-sort li.on {
    background: #3c486d;
    position: relative;
    color: #fff;
    cursor: pointer;
}

.xyin-case-sort li:hover a,
.xyin-case-sort li.on a {
    color: #fff;
}



.tou_con {
    width: 1920px;
    position: relative;
    left: 50%;
    margin-left: -960px;
    background: #f5f5f5
}

.tou {
    width: 1200px;
    margin: 0 auto;
    height: 120px;
    overflow: hidden
}

.logo {
    float: left;
    line-height: 120px;
    margin-top: 2%
}

.telx {
    float: right;
    margin-top: 30px;
}


/* #formsearch {
    width: 420px;
    float: left;
    margin-left: 60px;
    margin-top: 40px;
}

#search-type {
    float: left;
    width: 100px;
    height: 24px;
    border: 1px solid #c8c8c8;
    margin-right: 5px;
}

.hotSearch a {
    margin-right: 6px;
}

#formsearch input {
    background: #fff;
    border: 1px solid #c8c8c8;
    float: left;
    width: 260px;
    outline: none;
}

#formsearch input#keyword {
    height: 35px;
    line-height: 35px;
    padding-left: 4px;
    color: #666;
}

#formsearch input#s_btn {
    width: 44px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    background: url(../images/so.png) no-repeat center;
    color: #fff;
    border: none;
    cursor: pointer;
} */

#menu {
    width: 1920px;
    position: relative;
    left: 50%;
    margin-left: -960px;
    background: #03479c;
}

.ct1 {
    color: #03479c;
    font-size: 42px;
    text-align: center;
}

.ct1 span {
    display: block;
    text-transform: uppercase;
    font-size: 18px;
    font-weight: normal;
    color: #888888;
    font-family: "Arial";
    line-height: 30px;
}


/* .container {
    width: 1200px;
    margin: 0 auto;
} */

/*高品质追求*/
.box2 {
    width: 1200px;
    margin: 0 auto;
    margin-top: 20px;
}

.tabz {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
}

.tabz li {
    float: left;
    width: 140px;
    height: 32px;
    display: block;
    line-height: 32px;
    background: #eaeaea;
    text-align: center;
    color: #666666;
    font-size: 14px;
    cursor: pointer;
    margin-left: 10px;
}

.tabz li.cur {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    background: #03479c;
}

.tabz li:hover,
.tabz li.cur {
    background: #03479c;
    position: relative;
    color: #fff;
    cursor: pointer;
}

.tabz li:hover a,
.tabz li.cur a {
    color: #fff;
}

.ttz {
    display: none;
    margin-top: 30px;
}

.list1z {
    padding: 8px 10px;
}

.list1z li {
    position: relative;
    vertical-align: middle;
    float: left;
    margin-right: 26px;
    margin-bottom: 26px
}

.list1z li a.img {
    display: block
}

.list1z li a.img img {
    width: 376px;
    height: 270px;
}


.list1z li:nth-child(3n) {
    float: right;
    margin-right: 0px;
}

.dac {
    background: #03479c;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    line-height: 45px;
    height: 45px;
}

.list1z li h3 {
    color: #fff;
    font-size: 16px;
    float: left;
    font-weight: normal;
    margin-left: 5%;
}

.list1z li h3 a {
    color: #fff;
    font-size: 16px;
    line-height: 45px;
}

.list1z li:hover .dac {
    background: #b99562;
}


.mx {
    float: right;
    color: #fff;
    font-size: 16px;
    margin-right: 5%;
}

.mx a {
    color: #fff;
    font-size: 16px;
}

/*滚动*/
.pin {
    width: 1200px;
    margin: 0 auto;
}

.chan {
    text-align: center;
    padding-top: 30px;
    position: relative;
    margin-bottom: 40px;
}

.l_btn,
.r_btn {
    position: absolute;
    cursor: pointer;
    top: 55%;
}

.l_btn {
    left: -50px;
}

.r_btn {
    right: -50px;
}

.twt {
    float: left;
}

.twt li a.img {
    display: block;
}

.twt li a.img img {
    display: block;
    width: 273px;
    height: 150px;
}

.twt li {
    float: left;
    overflow: hidden;
    margin-left: 20px;
}

#m_demo {
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
    padding-top: 20px;
}

#m_indemo {
    float: left;
    width: 800%
}

#m_demo1 {
    float: left;
}

#m_demo2 {
    float: left;
}

.huise {
    width: 1920px;
    position: relative;
    left: 50%;
    margin-left: -960px;
    background: #f5f5f5;
    padding-bottom: 50px;
    padding-top: 70px;
}

#demo {
    overflow: hidden;
    width: 100%;
    margin: 0 auto;
}

#indemo {
    float: left;
    width: 800%
}

#demo1 {
    float: left;
}

#demo2 {
    float: left;
}


.anls {
    width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid #e5e5e5
}

.product_list3 {}

.product_list3 li {
    float: left;
    margin-right: 38px;
    margin-bottom: 38px;
    _display: inline;
    position: relative;
    width: 376px;
    height: 248px;
}

.product_list3 li a.img {}

.product_list3 li a.img img {
    width: 376px;
    height: 248px;
}

.product_list3 li h3 {
    text-align: center;
    position: absolute;
    bottom: 0px;
    width: 100%;
    background: url(../image/h3.png) no-repeat center top;
    height: 40px;
    color: #fff;
}

.product_list3 li h3 a {
    font-weight: normal;
    line-height: 40px;
    font-size: 16px;
    color: #fff;
}

.product_list3 li a.img {
    display: block;
}

.product_list3 li a.img:hover {
    border-color: #b99562;
}


.xypg-left {
    float: left;
    width: 240px;
}

.page-wrap-right {
    float: right;
    width: 910px;
}




.tab-con { position: relative; }
.tab-con .tab-main { position: absolute; left: 0; top: 0; z-index: 9; right: 0;}
.tab-con .tab-main { opacity: 0; visibility: hidden; transition: all .5s ease; }
.tab-con .tab-main.active { position: static; opacity: 1; visibility: visible;  }