@charset "UTF-8";

html,
body {
  font-family: "Microsoft yahei";
  background-color: #fff;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
img,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

input,
button,
ul,
ol {
  margin: 0px;
  padding: 0px;
}

body,
input,
button,
form {
  font-size: 14px;
  line-height: 28px;
  /* font-family: "microsoft yahei", "Arial"; */
  color: #333333;
}


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

input {
  background: none;
  border: 0 none;
}
input{  
  background:none;  
  outline:none;  
  border:1px solid #ccc;
}
input:focus{   
  border:none;
}
img,
iframe {
  border: 0px;
}

em,
i {
  font-style: normal;
}

button,
input,
select,
textarea {
  font-size: 100%;
}

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

.red {
  color: #ba292e;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.tac {
  text-align: center;
}

.tar {
  text-align: right;
}

.poa {
  position: absolute;
}

.por {
  position: relative;
}

.hidden {
  display: none;
}

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

a {
  color: #000;
  text-decoration: none;
}

a:hover {
  color: #1F7F57;
  /* color: #3fb150; */
  text-decoration: none;
}

a:visited {
  text-decoration: none;
}

.ease,
.ease * {
  -webkit-transition: all ease 300ms;
  -moz-transition: all ease 300ms;
  -ms-transition: all ease 300ms;
  -o-transition: all ease 300ms;
  transition: all ease 300ms;
}

.noease,
.noease * {
  -webkit-transition: none;
  -moz-transition: none;
  -ms-transition: none;
  -o-transition: none;
  transition: none;
}

:-moz-placeholder {
  color: #aaa;
}

::-moz-placeholder {
  color: #aaa;
}

input:-ms-input-placeholder,
textarea:-ms-input-placeholder {
  color: #aaa;
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
  color: #aaa;
}

/*清除浮动*/
.clearfix {
  *zoom: 1;
}

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

/* 头部导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  background-color: #fff;
  height: 80px;
  width: 100%;
  z-index: 9999;
  border-bottom: 1px solid #f1f1f1;
  -webkit-transform: translateZ(0);
  -moz-transform: translateZ(0);
  transform: translateZ(0);
}

.header .w1200 {
  position: relative;
  height: 80px;
}

.header .logo {
  height: 80px;
  width: 144px;
}

.header .logo img {
  margin-top: 15px;
}

.header .nav {
  padding-left: 35px;
  height: 80px;
  line-height: 80px;

}

.header .nav>ul>li {
  float: left;
}

header .nav>ul>li>a:hover {
  color: #1F7F57;
  /* border-bottom: 3px solid #1F7F57; */
}

.header .nav .active {
  color: #1F7F57;
  border-bottom: 3px solid #1F7F57;
}

.header .nav>ul>li>a {
  position: relative;
  display: block;
  box-sizing: border-box;
  height: 80px;
  font-size: 16px;
  padding: 0 28px;
}

.nav .list {
  position: absolute;
  top: 88px;
  left: -266px;
  padding: 0 140px 0 160px;
  width: 1200px;
  height: 0px;
  background-color: #fff;
  z-index: 100;
  overflow: hidden;
  transition: height 0.5s ease;
}
.nav .list li:nth-child(2) {
  position: relative;
}
.nav .list li:nth-child(2)::before {
  position: absolute;
  top: -8px;
  left: 41px;
  content: ' ';
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 10px solid #fff;
  z-index: 100;
}

.nav .list li:first-of-type {
  margin-left: 0;
}

.nav .list li {
  float: left;
  margin-left: 40px;
}

.nav .list li a:first-of-type {
  display: inline-block;
  font-size:18px;
  font-family:Microsoft YaHei;
  font-weight:bold;
  line-height: 26px;
  color: #333;
  border-bottom: 1px solid #333;
}
.nav .list li a:first-of-type.active {
  color: #1F7F57;
  border-bottom: 1px solid #1F7F57;
}
.nav .list li a:first-of-type:hover {
  color: #1F7F57;
  border-bottom: 1px solid #1F7F57;
}
.product:after {
  position: absolute;
  content: ' ';
  width: 0;
  height: 0;
  bottom: -10px;
  right: 41px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 10px solid #fff;
  z-index: 100;
  display: none;
}
.nav .product:hover:after {
  display: block;
}
.nav .product:hover .list {
  height: 256px;
}
.nav .product {
  position: relative;
}
.nav .list li a {
  display: block;
  color: #333;
  font-size: 14px;
  text-align: left;
  line-height: 26px;
}

.nav .list li a:hover {
  color: #005C35;
  /* background-color: #f2f1f1; */
}

#triangle {
  position: relative;
}

#triangle-down {
  position: absolute;
  width: 0;
  height: 0;
  top: 38px;
  right: 16px;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 6px solid #000;
}



.nav>ul>li>a:after {
    content: ' ';
    position: absolute;
    z-index: 2;
    bottom: 0;
    left: 50%;
    display: block;
    width: 100%;
    height: 1px;
    transform: translate(-50%);
}

.header .nav>ul>.ad_width>a:hover:after {
    height: 3px;
    animation: ad_width .5s linear forwards;
    background: #1F7F57;
}

@keyframes ad_width {
    from {
        width: 0
    }

    to {
        width: 100%;
    }
}

.header .about {
  padding-left: 50px;
  width: 188px;
  height: 80px;
  line-height: 23px;
  background: url("../img/nav-dh.png") no-repeat left center;
  background-size: 40px 40px;
}

.header .about p {
  margin-top: 16px;
  color: #0b603c;
  font-size: 14px;
}

.header .about span {
  display: block;
  color: #F78001;
  font-size: 18px;
  font-weight: 600;
}






/* 尾部 */
.footer {
    width:100%;
    height:213px;
    background-color: #5D5B59;
  }
  
  .footer .footer_top {
    height: 198px;
  }
  
  .footer .footer_top .logo img {
    margin-top: 40px;
    width: 200px;
    height: 70px;
  }
  
  .footer .footer_top .logo .tel {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
  }
  
  .footer .footer_top .logo .tel span {
    display: inline-block;
    margin-right: 10px;
    width: 14px;
    height: 14px;
    background: url("../img/sy-db-icon-dh.png") no-repeat;
  }
  
  .footer .footer_top .logo p {
    color: #fff;
    font-size: 12px;
    font-weight: 500;
  }
  
  .footer .footer_top .logo p span {
    display: inline-block;
    margin-right: 10px;
    width: 14px;
    height: 14px;
    background: url("../img/sy-db-icon-dw.png") no-repeat;
  }
  
  .footer .footer_top .about {
    margin-top: 55px;
    margin-left: 146px;
  }
  
  .footer .footer_top .about ul li {
    padding-left: 46px;
  }
  
  .footer .footer_top .about ul li div {
    font: 14px;
    color: #fff;
    padding-bottom: 5px;
  }
  
  .footer .footer_top .about ul li a {
    display: block;
    color: #A5A4A3;
    line-height: 22px;
    font-size: 12px;
  }
  
  .footer .footer_top .about ul li a:hover {
    color: #000;
  }
  
  .footer .footer_top .wx {
    margin-top: 50px;
    text-align: center;
  }
  
  .footer .footer_top .wx p {
    color: #fff;
    font-size: 12px;
    margin-top: -10px;
  }
  
  .footer .footer_top .wx .quzz {
    margin-right: 26px;
  }
  
  .footer .w1200 p {
    padding-top: 10px;
    color: #959492;
    font-size: 12px;
    line-height: 20px;
  }
  
  .footer .w1200 p a {
    color: #959492;
    font-size: 12px;
  }
  
  .footer .w1200 p a:hover {
    color: #000;
  }
  
  /* 版权 */
  .copyright {
    width: 100%;
    height: 45px;
    line-height: 45px;
    background-color: #393838;
  }
  
  .copyright .w1200 div {
    color: #959595;
    font-size: 12px;
  }

  .copyright .w1200 div a {
    color: #959595;
}