/**
    pc端导航栏样式
 */
.header_pc {
    position: fixed;
    top: 0;
    z-index: 10;
    width: 100%;
    /* 2次修改：改为85px高度 */
    /*height: 115px;*/
    height: 85px;
    background-color: #ffffff;
    transition: all .8s;
}

.header_pc * {
    transition: all .8s;
}

.header_pc .content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    width: 100%;
    max-width: 1700px;
    height: 100%;
}

.header_pc .content .title {
    width: 340px;
    height: 68px;
    background-image: url("../../image/logo.png");
    background-repeat: no-repeat;
}

.header_pc .content .title a {
    display: block;
    width: 100%;
    height: 100%;
    text-indent: -9999px;
}

.header_pc .content nav {
    display: flex;
    height: 100%;
}

.header_pc .content nav a,
.header_pc .content nav span {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 15px;
    font-size: 18px;
    z-index: 1000;
}

.header_pc .content nav span:hover ul {
    top: 100%;
    opacity: 1;
}

.header_pc .content nav span ul {
    position: absolute;
    top: -200%;
    left: 0;
    z-index: 1;
    width: 100%;
    transition: opacity .5s;
    background-color: #ffffff;
    border-radius: 0 0 4px 4px;
    border-top: 1px #00a2ea solid;
    opacity: 0;
}

.header_pc .content nav span ul li {
    list-style: none;
}

.header_pc .content nav span ul a {
    padding: 0;
    text-align: center;
    font-size: 14px;
    width: 100%;
    justify-content: center;
    height: 40px;
}

.header_pc .content nav a:hover {
    color: #00a2ea;
}

.header_pc.hide {
    background-color: rgba(0, 0, 0, 0);
}

.header_pc.hide .content nav, .header_pc.hide .decoration {
    opacity: 0;
}

.header_pc.hide:hover {
    background-color: #ffffff;
}

.header_pc.hide:hover .content nav, .header_pc.hide:hover .decoration {
    opacity: 1;
}