* {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

body {
    position: relative;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    background: #ffff;
}

.header {
    position: fixed;
    display: flex;
    top: 0px;
    left: 0px;
    height: 12vw;
    z-index: 100;
    width: 100%;
    align-items: center;
    font-weight: bold;
    background: #F5F5F5;
    flex: 0 0 auto;
}

.flex1 {
    position: relative;
    left: 41%;
    transform: translateX(-50%);
    flex: 1;
    font-size: 4.67vw;
    text-align: center;
    display: inline-block;
    white-space: nowrap;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

.backImg {
    width: 2.93vw;
    height: 3.53vw;
    margin-left: 4vw;
}

.unfold {
    display: flex;
    align-items: center;
    font-size: 4.53vw;
    padding: 4vw;
}

.unfoldImg {
    width: 4.8vw;
    height: 4.26vw;
    margin-left: 2.667vw;
}

.child {
    position: relative;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 弹窗样式 */
.dialog {
    position: absolute;
    top: 0px;
    width: 100%;
    height: 100vh;
    overflow: auto;
    z-index: 10000;
    display: none;
    background-color: #fff;
}

.close {
    flex: 0 0 auto;
    width: 100%;
    text-align: right;
}

.closeImg {
    text-align: right;
    top: 2.67vw;
    width: 6vw;
    height: 6vw;
    margin-top: 4vw;
    margin-right: 4vw;
}

.navList li {
    cursor: pointer;
    border-bottom: 1px solid #ccc;
}

.navList {
    flex: 1;
    padding: 2vw 0;
    font-size: 5.06vw;
}

.frontPage {
    border-top: 1px solid #ccc;
}

.navItem {

    padding: 2.67vw 4vw;
}

.navList a {
    color: black;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 50%;
    display: block;
}

.navItemTop {
    position: relative;
}

.iconImg {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 0vw;
    height: 4.93vw;
    width: 4.93vw;
}

.children {
    padding-left: 5.33vw;
}

.child {
    border-bottom: none !important;
    padding: 4.33vw 0;
}

.none {
    display: none;
}

.block {
    display: block;
}