html, body {
    padding: 0;
    margin: 0;
    position: relative;
    display: block;
    border: 0;
}

body {
    font-family: 'Microsoft YaHei', Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
}

a {
    color: #333;
}

a:hover {
    color: rgba(0, 143, 215, 1);
}

.container {
    width: 1200px;
    position: relative;
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
}

/*动画*/
.transition {
    -moz-transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

img {
    max-width: 100%;
}

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

/*清除缓存*/

/*标题*/
.i-title {
    padding: 45px 0 25px;
    text-align: center;
}

.i-title h2 {
    font-size: 27px;
    color: #333;
    font-weight: bold;
}

.i-title p {
    font-size: 16px;
    color: #666;
    padding-top: 8px;
    letter-spacing: 2px;
}

/*头部*/
.header {
    width: 100%;
    min-width: 1200px;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(0, 0, 0, .25);
}

.header .box {

    width: 90%;
    min-width: 1200px;
    position: relative;
    margin: 0 auto;
    height: 100px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    z-index: 2;

}
.header .box .logo  {
    flex-grow: 1;
}
.header .box .logo a {
    display: block;
    flex-grow: 1;
}

.header .box .logo img {
    height: 80px;
    width: auto;
}

.header .box .top-tel {
    margin-left: 15px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.header .box .top-tel .title{
    font-size: 12px;
    color: #999;
}

.header .box .top-tel .tel{
    font-size: 22px;
    color: rgba(0, 143, 215, 1);
}
/*导航*/
.top-nav-list {
    display: flex;
    flex-direction: row;

}
.top-nav-list .item {
    display: flex;
    width: 120px;
    height: 80px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.top-nav-list .item .icon {
    font-size: 20px;
    color: rgba(0, 143, 215, 1);
    height: 30px;

}

.top-nav-list .item:hover {
    background-color: rgba(0, 143, 215, 1);
    color: #fff;
}

.top-nav-list .item:hover .icon {
    color: #fff;
}

/*底部*/
.footer {
    width: 100%;
    min-width: 1200px;
    margin: 20px auto 0;
    background: #efefef;
    overflow: hidden;
    color: #666;
}

.footer a {
    color: #333;
}

.footer a:hover {
    color:  rgba(0, 143, 215, 1);
}

.footer .bottom {
    width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    padding: 20px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer .bottom .copyright {
    line-height: 30px;
}

.footer .bottom .right img {
    width: 120px;
    height: 120px;
}

.footer .bottom .b-icon {
    margin-left: 10px;
    font-size: 20px;
}