html {
    height: 100%;
}
body {
    font-size: 14px;
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    min-width: 1080px;
    min-height: 100%;
}
.page-container {
    width: 100%;
    min-height: 100vh;
}
.clear {
    clear: both;
    height: 100px;
}
.nav {
    width: 100%;
    position: sticky;
    height: 60px;
    background-color: white;
    border: 1px solid #ebeef5;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    top: 0;
    z-index: 100;
}
.nav__body {
    display: flex;
    margin: 0 auto;
    width: 1200px;
    height: 60px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}
.nav__logo {
    height: 36px;
    margin-right: 20px;
}
.nav__list {
    height: 100%;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
}
.nav__list-left {
    width: 360px;
    justify-content: space-around;
}
.nav__list-right {
    width: 300px;
    justify-content: flex-end;
}
.nav__list-right .nav__item {
    text-align: right;
    width: 100px;
}
.nav__search {
    width: 240px;
}
.nav__item {
    text-align: center;
}
.nav__item a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
}
.nav__item a:hover {
    color: #409eff;
}
.nav__item-left a {
    font-size: 18px;
    font-weight: bold;
}
.nav__photo {
    width: 40px;
    height: 40px;
    border-radius: 20px;
    border: 1px solid #ebeef5;
    cursor: pointer;
}
.drop-container {
    padding: 0;
}
.drop-container .drop-info {
    width: 100%;
    padding: 10px;
    border-bottom: 0.5px #999 solid;
}
.drop-container .drop-info__item {
    width: 100%;
    text-align: center;
}
.drop-container .drop-info__name {
    color: #333;
    font-weight: bold;
}
.drop-container .drop-list {
    border: 0;
}
.drop-container .drop-list .el-menu-item {
    text-align: center;
    height: 30px;
    line-height: 30px;
}
.drop-container .drop-list .el-menu-item span {
    line-height: 30px;
}
.foot {
    width: 100%;
    background-color: white;
    color: #333;
    padding: 30px 0 0 0;
    border: 1px solid #ebeef5;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    margin-top: 50px;
}
.foot__main {
    width: 1200px;
    height: 180px;
    border-bottom: 0.5px white solid;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: auto;
}
.foot__logo {
    width: 360px;
}
.foot__slogan {
    margin-top: 10px;
}
.foot a {
    font-size: 14px;
    color: #666;
    text-decoration: none;
    display: block;
    cursor: pointer;
    margin-top: 5px;
}
.foot__right {
    width: 450px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.foot__list {
    min-width: 100px;
}
.foot__list-icons a {
    display: inline-block;
}
.foot__title {
    font-size: 16px;
    padding-bottom: 5px;
}
.foot__icon {
    margin-top: 10px;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    border: 1px white solid;
    display: inline-block;
    margin-right: 5px;
}
.foot__icon-zhihu {
    background-image: url("/image/zhihu_icon.jpg");
}
.foot__icon-bilibili {
    background-image: url("/image/bilibili_icon.jpg");
}
.foot__bottom {
    width: 100%;
    text-align: center;
    font-size: 12px;
}
h1 h2 h3 {
    color: #333;
}