body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, hr, pre, code, form, fieldset, legend, input, button, textarea, p, blockquote, th, td {
    margin: 0;
    padding: 0;
}

body {
    font: 14px 'Microsoft YaHei';
    color: #333;
}

ul li {
    list-style: none;
}

a {
    color: #333;
    text-decoration: none;
    cursor: pointer;
}

    a:hover {
        text-decoration: none;
    }

input, select, textarea, pre {
    font-family: 'Microsoft YaHei';
    color: #333;
}

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

/*-----------------------*/

.right_help
{

    position: fixed;
    top: 45%;
    right: 60px;
        height: 114px;
    width: 50px;
}
.to_top_out
{
      width: 50px;
    height: 50px;
}
.to_top {
    width: 50px;
    height: 50px;

    background-color: #fff;
    text-align: center;
    cursor: pointer;
    z-index: 100;
}
.rb-item img
{
  height: 100%;
    width: 100%;
}
    .to_top:hover {
        background-color: #00bec7;
    }
.to_top img:nth-child(2)
{
    display:none;
 }
.rb-item img:nth-child(2)
{
    display:none;
 }
        .to_top:hover img:nth-child(1)
        {
          display:none;
        }
          .to_top:hover img:nth-child(2)
        {
          display:block;
        }
                  .rb-item:hover img:nth-child(1)
        {
          display:none;
        }
          .rb-item:hover img:nth-child(2)
        {
          display:block;
        }
    .to_top img {
        width: 50px;
        height: 50px;
    }

/*-----------------------*/
.header {
    margin-top: 75px;
}

.banner {
    width: 1300px;
    height: 75px;
    line-height: 75px;
    background-color: #f0f0f0;
    margin: 0 auto;
    position: fixed;
    z-index: 999;
    top: 0;
}

    .banner li {
        padding-left: 45px;
        float: left;
    }

    .banner ul img {
        width: 120px;
        height: 55px;
    }

.ban_phone {
    float: right;
    margin-right: 30px;
    cursor: pointer;
    position: relative;
}

    .ban_phone img {
        width: 18px;
        height: 18px;
        vertical-align: middle;
        margin-top: -2px;
        margin-right: 5px;
    }

.ban_mexpo {
    /*width: 80px;*/
    height: 26px;
    line-height: 26px;
    text-align: center;
    border: 1px solid #1b99e9;
    border-radius: 5px;
    font-size: 14px;
    color: #1b99e9;
    float: right;
    margin-top: 23px;
    margin-right: 20px;
    cursor: pointer;
    padding:0 5px;
}

    .ban_mexpo:hover {
        opacity: 0.65;
        filter: alpha(opacity=65);
    }

.ban_login {
    float: right;
    margin-right: 50px;
}

    .ban_login a {
        margin: auto 5px;
    }

        .ban_login a:hover {
            color: #1b99e9;
        }

.phone_div {
    background-color: #fff;
    border: 1px solid #d7d7d7;
    position: absolute;
    border-radius: 5px;
    width: 240px;
    top: 65px;
    left: -70px;
    display: none;
    z-index: 999;
}

    .phone_div span {
        height: 34px;
        line-height: 34px;
        text-align: center;
        border-bottom: 1px solid #d7d7d7;
        display: block;
    }

    .phone_div span:last-child {
        border-bottom: none;
    }

    .phone_div img {
        width: 20px;
        height: 10px;
        position: absolute;
        top: -8px;
        left: 50%;
        margin-left: -10px;
    }

/*-----------------------*/
.bottom {
    width: 1280px;
    height: 155px;
    background-color: #505050;
    color: #fff;
    margin: 0 auto;
    margin-top: 80px;
}

    .bottom a.link {
        color: #fff;
        padding-left: 15px;
    }

.btm_inner {
    width: 1280px;
    height: 155px;
    margin: 0 auto;
}

    .btm_inner ul {
        margin-top: 40px;
        margin-left: 20px;
        float: left;
    }

    .btm_inner li {
        height: 35px;
    }

        .btm_inner li span {
            margin-right: 50px;
        }

.btm_img {
    width: 90px;
    margin-top: 30px;
    margin-right: 20px;
    float: right;
}

    .btm_img img {
        width: 90px;
        margin-bottom: 10px;
    }

.btm_code {
    width: 80px;
    margin-top: 30px;
    margin-right: 20px;
    float: right;
    
}

.btm_weixin_code {
    width: 140px;
    float: left;
    position:relative;
    top:-75px;
    left:-120px;
    z-index:99999;
    display:none;
}



/*-----------------------*/
.center {
    width: 1220px;
    padding-top: 50px;
    margin: 0 auto;
}

.left-menu {
    float: left;
}

    .left-menu li {
        width: 238px;
        height: 50px;
        line-height: 50px;
        border: 1px solid #e1e1e1;
        border-top: 0;
        color: #999999;
        padding-left: 30px;
        cursor: pointer;
    }

        .left-menu li:nth-of-type(1) {
            border-top: 1px solid #e1e1e1;
        }

    .left-menu img {
        width: 30px;
        height: 12px;
        margin-left: 50px;
        vertical-align: middle;
    }

    .left-menu li a {
        display: block;
        width: 100%;
        height: 100%;
    }

.banner ul li .alink {
    color: #1b99e9;
}

.display_none {
    display: none;
}
/*-----------------------*/
@media screen and (min-width:1300px) {
    .banner {
        width: 100%;
    }

    .bottom {
        width: 100%;
    }
}
@media screen and (max-width:1350px)
{
    .banner li
    {
       padding-left:30px;
    }
}