/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */

html {
    line-height: 1.15; /* 1 */
    -webkit-text-size-adjust: 100%; /* 2 */
}

/* Sections
   ========================================================================== */

/**
 * Remove the margin in all browsers.
 */

body {
    margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */

main {
    display: block;
}

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

/* Grouping content
   ========================================================================== */

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */

hr {
    box-sizing: content-box; /* 1 */
    height: 0; /* 1 */
    overflow: visible; /* 2 */
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

pre {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
}

/* Text-level semantics
   ========================================================================== */

/**
 * Remove the gray background on active links in IE 10.
 */

a {
    background-color: transparent;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */

abbr[title] {
    border-bottom: none; /* 1 */
    text-decoration: underline; /* 2 */
    text-decoration: underline dotted; /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */

b,
strong {
    font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */

code,
kbd,
samp {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */

small {
    font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}

sup {
    top: -0.5em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove the border on images inside links in IE 10.
 */

img {
    border-style: none;
}

/* Forms
   ========================================================================== */

/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
optgroup,
select,
textarea {
    font-family: inherit; /* 1 */
    font-size: 100%; /* 1 */
    line-height: 1.15; /* 1 */
    margin: 0; /* 2 */
}

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */

button,
input { /* 1 */
    overflow: visible;
}

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */

button,
select { /* 1 */
    text-transform: none;
}

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}

/**
 * Remove the inner border and padding in Firefox.
 */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

/**
 * Restore the focus styles unset by the previous rule.
 */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}

/**
 * Correct the padding in Firefox.
 */

fieldset {
    padding: 0.35em 0.75em 0.625em;
}

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */

legend {
    box-sizing: border-box; /* 1 */
    color: inherit; /* 2 */
    display: table; /* 1 */
    max-width: 100%; /* 1 */
    padding: 0; /* 3 */
    white-space: normal; /* 1 */
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
    vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */

textarea {
    overflow: auto;
}

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */

[type="checkbox"],
[type="radio"] {
    box-sizing: border-box; /* 1 */
    padding: 0; /* 2 */
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
    height: auto;
}

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */

[type="search"] {
    -webkit-appearance: textfield; /* 1 */
    outline-offset: -2px; /* 2 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */

::-webkit-file-upload-button {
    -webkit-appearance: button; /* 1 */
    font: inherit; /* 2 */
}

/* Interactive
   ========================================================================== */

/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */

details {
    display: block;
}

/*
 * Add the correct display in all browsers.
 */

summary {
    display: list-item;
}

/* Misc
   ========================================================================== */

/**
 * Add the correct display in IE 10+.
 */

template {
    display: none;
}

/**
 * Add the correct display in IE 10.
 */

[hidden] {
    display: none;
}

/**
  Çå³ýĬÈÏÑùʽ
 */
blockquote, body, button, dd, div, dl, dt, form, h1, h2, h3, h4, h5, h6, input, li, ol, p, pre, td, textarea, th, ul {
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0)
}

a:active, a:hover {
    outline: 0
}

img {
    display: inline-block;
    border: none;
    vertical-align: middle
}

li {
    list-style: none
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

h1, h2, h3, h4 {
    font-weight: 700
}

h5, h6 {
    font-weight: 500;
    font-size: 100%
}

button, input, select, textarea {
    font-size: 100%
}

button, input, optgroup, option, select, textarea {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
    outline: 0
}

pre {
    white-space: pre-wrap;
    white-space: -moz-pre-wrap;
    white-space: -o-pre-wrap;
    word-wrap: break-word
}

body {
    line-height: 1.6;
    color: #333;
    color: rgba(0, 0, 0, .85);
    font: 14px Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif
}

hr {
    height: 0;
    line-height: 0;
    margin: 10px 0;
    padding: 0;
    border: none;
    border-bottom: 1px solid #eee;
    clear: both;
    overflow: hidden;
    background: 0 0
}

a {
    color: #333;
    text-decoration: none
}

a:hover {
    color: #777
}

a cite {
    font-style: normal;
    *cursor: pointer
}

.app-navbar {
    display: none;
}
.btn{
    --bs-btn-padding-x:none;
    --bs-btn-border-width:none;
}

html {
    font-size: 75px;
}

body {
    background-image: url('/static/images/body-background.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    font-family: 'Source Han Serif','Open Sans', "Helvetica Neue", Helvetica, Arial,'΢ÈíÑźÚ', sans-serif !important;
}

.container {
    width: 1280px;
    overflow: hidden;
    max-width: none !important;
    --bs-gutter-x: none;
    --bs-gutter-y: none;
}

@media screen and (max-width: 1280px) {
    body {
        width: 1280px;
    }
}