*{
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none;
    color: #2b2b2b;
}
ul{
    list-style: none;
    /* display: flex; */
}
/* 头部 */
header {
    width: 100%;
    height: 100px;
    z-index: 100;
    position: fixed;
    top: 0px;
    background-color: #fff;
}
.nav {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}
.logo {
    width: 260px;
    height: 58px;
    margin-top: 20px;
}
.logo img {
    width: 127px;
    height: 58px;
    margin-right: 10px;
    vertical-align: middle;
}
.logo :hover{
    cursor: pointer;
}
.logo b{
    font-size: 24px;
}
.nav_left {
    width: 550px;
    height: 58px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-top: 15px;
    cursor: pointer;
    line-height: 80px;
}
.nav_left li{
    width: 100px;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    position: relative;
}
.nav_left li a:hover{
    color: #1a6cff
}
.cii{
    width: 10px;
    height: 10px;
    background-color: #1a6cff;
    border-radius: 50%;
    display: inline-block;
    position: absolute;
    bottom: -38px;
    left: 46px;
    opacity: 0;
    transition: all .5s;
}
.nav_left span{
    color: #ccc;
}
/* 头部结束 */

/* 尾部 */
.footer{
    width: 100%;
    background-color: #0f1f38;
    padding-top: 50px;
    position: relative;
}
.footer-bx {
    width: 1000px;
    height: 188px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.fl-item1 {
    width: 25%;
}

.fl-item1 b {
    margin-bottom: 40px;
    font-size: 14px;
    color: #fff;
}
.fl-item1 ul{
    margin-top: 25px;
}
.fl-item1 ul li {
    line-height: 25px;
    color: #4f494b;
    font-size: 12px;
}

.fl-item1 ul li a {
    font-size: 12px;
    color: #4f494b;
    font-weight: bold;
}
.footer-bottom{
    height: 80px;
    background-color: #05152f;
    color: #4f494b;
    font-size: 12px;
    /* text-align: center; */
    line-height: 80px;
}
.fixd{
    background-color: #1a6cff;
    width: 670px;
    height: 80px;
    color: #fff;
    position: absolute;
    bottom: 0;
    right: 0;
}
.phone2{
    height: 40px;
    line-height: 40px;
    margin: 20px 0 20px 100px ;
}
.line2{
    position: absolute;
    top: 22px;
    left: -60px;
}
.display{
    text-align: center;
    width: 129px;
    height: 38px;
    border-radius: 5px;
    background-color: #fff;
    color: pink;
    position: absolute;
    top: 22px;
    left: 150px;
    font-size: 16px;
    line-height: 38px;
    display: none;
}
.icon-dianhua-yuankuang:hover .display{
    display: block;
}