* {
    position: relative;
    margin: 0;
    padding: 0;
    font-size: 1em;
    font-family: "Noto Sans TC", sans-serif;
    letter-spacing: 0;
    border: none;
    outline: none;
    background-color: rgba(0, 0, 0, 0);
    color: hsl(223, 82%, 6%);
    word-wrap: break-word;
    text-decoration: none;
    box-sizing: border-box;
    -ms-overflow-style: none;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: manipulation;
    -webkit-touch-callout: inherit;
    -webkit-user-select: inherit;
    -khtml-user-select: inherit;
    -moz-user-select: inherit;
    -ms-user-select: inherit;
    user-select: inherit
}

* ::-webkit-scrollbar {
    display: none
}

* .rz::-webkit-scrollbar {
    display: block;
    width: .25rem;
    background-color: hsl(223, 14%, 97%)
}

* .rz::-webkit-scrollbar-thumb {
    background-color: hsl(223, 11%, 81%)
}

* .rz.vert {
    resize: vertical
}

* [user-select=false],
* [user-select="0"] {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

* [user-select=true],
* [user-select="1"] {
    -webkit-touch-callout: initial;
    -webkit-user-select: initial;
    -khtml-user-select: initial;
    -moz-user-select: initial;
    -ms-user-select: initial;
    user-select: initial
}

* ::before,
* ::after {
    box-sizing: border-box
}

img {
    content: url("data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==");
    object-fit: cover
}

img[src]:not([src=""]) {
    content: unset
}

img[data-src] {
    background: linear-gradient(to right, #EEF0F3, #E0E2E8, #EEF0F3)
}

textarea {
    resize: none
}

input,
textarea,
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none
}

input::placeholder,
textarea::placeholder {
    color: hsl(223, 11%, 81%);
    opacity: 1
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: hsl(223, 11%, 81%)
}

input::-ms-input-placeholder,
textarea::-ms-input-placeholder {
    color: hsl(223, 11%, 81%)
}

a[href]:not([href=""]),
button {
    cursor: pointer
}

span,
b,
strong,
i,
em,
time {
    line-height: inherit;
    font-size: inherit;
    color: inherit
}

html {
    position: fixed;
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden
}

body {
    position: relative;
    display: flex;
    flex-flow: column;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    height: 100%;
    background-color: #fffefc;
    overflow: hidden scroll
}

body[ready="0"] *,
body[ready="0"] * ::before,
body[ready="0"] * ::after {
    transition: none !important
}

body>nav {
    position: sticky;
    z-index: 1000;
    display: flex;
    flex-shrink: 0;
    justify-content: space-between;
    align-items: center;
    top: 0;
    padding: 0 1rem;
    width: 100%;
    height: 6rem;
    background-color: #fff;
    transition: .3s
}

body>nav>section {
    max-width: 1024px
}

body>nav.min {
    height: 4rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .1019607843)
}

body>nav.min img.head {
    padding: 0;
    width: 3rem;
    height: 3rem;
    border: 1px solid rgba(0, 0, 0, 0)
}

body>nav img.head {
    padding: .25rem;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, .2039215686);
    transition: .3s;
    cursor: pointer
}

body>nav a {
    font-size: 1.5rem
}

body.md {
    background-color: #e0e2e8
}

body.md>nav {
    max-width: 640px
}

body.md>section#PDMDViewer {
    position: relative;
    padding: 0 1rem 10rem;
    width: 100%;
    max-width: 640px;
    min-height: calc(100vh - 6rem);
    background-color: #fff
}