html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #212529;
}

a:hover, a:hover p, a:hover span {
    color: #b8b8d8;
}

p, span, h1 {
    margin: 0;
    color: #212529;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

img {
    -webkit-user-drag: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3em;
}

.panel {
    background-color: rgba(0, 0, 0, 0.25);
    border-radius: 1em;
    backdrop-filter: blur(12px) saturate(160%);
}

#head-bar {
    width: 100%;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}

#title {
    font-family: SentyWatermelon;
    color: #d0b8ff;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
    font-size: 4em;
}

#info-bar {
    height: 4em;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2em;
    padding-left: 2em;
    padding-right: 2em;
}

.info-text {
    font-family: 'Microsoft YaHei UI';
    font-size: 20px;
}

.info-icon {
    width: 20px;
    height: 20px;
}

#weather-box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5em;
}

#login-box {
    display: flex;
    justify-content: center;
    align-items: center;
}

#login-box:hover {
    backdrop-filter: blur(8px);
}

#content {
    height: 75%;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 4em;
}

#me-panel {
    height: 100%;
    width: 25%;
    text-align: center
}

#me-avatar {
    width: 40%;
    border-radius: 50%;
    margin-top: 3em;
    margin-bottom: 1em;
}

#me-name {
    font-size: 2em;
}

#me-contacts {
    width: 56%;
    margin-top: 2em;
    margin-left: auto;
    margin-right: auto;
    text-align: left
}

.me-contacts-item {
    display: flex;
    align-items: center;
    margin-top: 0.5em;
    gap: 1em;
}

.me-contacts-icon {
    width: 1.5em;
    height: 1.5em;
}

.me-contacts-text {
    font-size: 1.2em;
}

#beian {
    position: absolute;
    bottom: 2em;
    left: 0;
    right: 0;
}

#content-panel {
    height: 100%;
    width: 60%;
    overflow: hidden;
}

#tab-area {
    width: 100%;
    height: 7%;
    display: flex;
    justify-content: flex-start;
}

.tab {
    height: 100%;
    width: 8em;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: large;
}

.tab.activate {
    border-radius: 1em 1em 0 0;
    background-color: rgba(0, 0, 0, 0.15);
}

#sub-page {
    width: 100%;
    height: 93%;
    background-color: rgba(0, 0, 0, 0.15);
}

.sub-page {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: scroll;
    scrollbar-width: none;
    scrollbar-color: transparent transparent;
}

.sub-page::-webkit-scrollbar {
   display: none;
}

.sub-page {
    display: none;
}

.sub-page.activate {
    display: flex;
}

#sub-page-home {
    justify-content: center;
    align-items: center;
}