/* 把我们所有标签的内外边距清零 */
* {
    margin: 0;
    padding: 0;
    /* css3盒子模型 */
    box-sizing: border-box;
}
/* em 和 i 斜体的文字不倾斜 */
em,
i {
    font-style: normal
}
/* 去掉li 的小圆点 */
li {
    list-style: none
}

img {
    /* border 0 照顾低版本浏览器 如果 图片外面包含了链接会有边框的问题 */
    border: 0;
    /* 取消图片底侧有空白缝隙的问题 */
    vertical-align: middle
}
button {
    /* 当我们鼠标经过button 按钮的时候，鼠标变成小手 */
    cursor: pointer
}
a {
    color: #666;
    text-decoration: none
}
a:hover {
    color: #c81623
}
button,
input {
    /* "\5B8B\4F53" 就是宋体的意思 这样浏览器兼容性比较好 */
    font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    /* 默认有灰色边框我们需要手动去掉 */
    border: 0; 
    outline: none;
}

body {
    /* CSS3 抗锯齿形 让文字显示的更加清晰 */
    -webkit-font-smoothing: antialiased;
    background-color: #fff;
    font: 12px/1.5 Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    color: #666
}

.hide,
.none {
    display: none
}
/* 清除浮动 */
.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0
}
.clearfix{
    *zoom: 1
}
/* 最左侧的盒子没有向右的距离 */
#mr{
    margin-right: 0px;
}
.fr{
    float: right;
}
.fl{
    float: left;
}

.nav_ul li:last-child{
    padding: 19px 0 19px 20px
}

.nav-logo {
    cursor: pointer;
}

.navbar {
    width: auto !important;
}

.goTop > img{
    display: inline-block;
    margin-top: 10px;
    width: 60px;
    height: 60px;
    cursor: pointer;
}
.goTop{
    display: none;
    /* width: 80px; */
    /* height: 90px; */
    text-align: center;
    /* background-color: #fff; */
    /* line-height: 50px; */
    position: fixed;
    left: 50%;
    bottom : 20px;
    margin-left: 720px;
}
.goTop span{
    display: inline-block;
    margin-top: 15px;
}

.nav-logo {
    width: 289px !important;
    height: 64px !important;
    background-size: 100% 100%;
}
.top_phone{
    font-size: 20px;
    margin-top: 67px;
    margin-left: 20px;
    display: inline-block;
    font-weight: bold;
    color: #fff;
}
.top:hover .top_phone{
    color: #2967cc !important;
}




/* 
@media screen and (min-width: 1920px) {
    .nav-logo {
        width: 90px !important;
        height: 87px !important;
        background: url(../image/blogw.png) no-repeat !important;
        background-size: 100% 100%;
        margin: 15px 0 !important;
    }

    .top:hover .nav-logo {
        background: url(../image/blogb.png) no-repeat !important; 
    }

    .header_bg .top:hover .nav-logo {
        background: url(../image/blogb.png) no-repeat !important; 
    }
}  */


@media screen and (min-width: 1440px) {
    .main {
        width: 1400px !important;
        margin: 0 auto;
    }
    .top-box {
        position: relative !important ;
    }
    .product_total {
        left: 410px !important;
    }
    .footer-msg,
    .footer_gw {
        margin-left: 11% !important;
    }
}

@media screen and (min-width: 1200px) and (max-width: 1440px){
    .main {
        width: 1200px !important;
        margin: 0 auto;
    }

     /* 底部的适配 */
    .footer .footer-msg {
        margin-left: 5% !important;
      }
    
    .footer .footer_gw {
        margin-left: 4.7% !important;
      }
      .top-box {
        position: relative !important ;
    }
    .product_total {
          left: 210px !important;
      }

    .goTop{
        position: fixed;
        left: 50%;
        bottom : 20px;
        margin-left: 630px;
    }
}