/*! normalize.css v7.0.0 | 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
 *    IE on Windows Phone and in iOS.
 */

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

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

/**
 * Remove the margin in all browsers (opinionated).
 */

body {
  margin: 0;
}

/**
 * Add the correct display in IE 9-.
 */

article,
aside,
footer,
header,
nav,
section {
  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
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in IE.
 */

figcaption,
figure,
main { /* 1 */
  display: block;
}

/**
 * Add the correct margin in IE 8.
 */

figure {
  margin: 1em 40px;
}

/**
 * 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
   ========================================================================== */

/**
 * 1. Remove the gray background on active links in IE 10.
 * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
 */

a {
  background-color: transparent; /* 1 */
  -webkit-text-decoration-skip: objects; /* 2 */
}

/**
 * 1. Remove the bottom border in Chrome 57- and Firefox 39-.
 * 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 */
}

/**
 * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
 */

b,
strong {
  font-weight: inherit;
}

/**
 * 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 style in Android 4.3-.
 */

dfn {
  font-style: italic;
}

/**
 * Add the correct background and color in IE 9-.
 */

mark {
  background-color: #ff0;
  color: #000;
}

/**
 * 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
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 */

audio,
video {
  display: inline-block;
}

/**
 * Add the correct display in iOS 4-7.
 */

audio:not([controls]) {
  display: none;
  height: 0;
}

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

img {
  border-style: none;
}

/**
 * Hide the overflow in IE.
 */

svg:not(:root) {
  overflow: hidden;
}

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

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

button,
input,
optgroup,
select,
textarea {
  font-family: sans-serif; /* 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;
}

/**
 * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
 *    controls in Android 4.
 * 2. Correct the inability to style clickable types in iOS and Safari.
 */

button,
html [type="button"], /* 1 */
[type="reset"],
[type="submit"] {
  -webkit-appearance: button; /* 2 */
}

/**
 * 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 */
}

/**
 * 1. Add the correct display in IE 9-.
 * 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */

progress {
  display: inline-block; /* 1 */
  vertical-align: baseline; /* 2 */
}

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

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 and cancel buttons in Chrome and Safari on macOS.
 */

[type="search"]::-webkit-search-cancel-button,
[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 IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 */

details, /* 1 */
menu {
  display: block;
}

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

summary {
  display: list-item;
}

/* Scripting
   ========================================================================== */

/**
 * Add the correct display in IE 9-.
 */

canvas {
  display: inline-block;
}

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

template {
  display: none;
}

/* Hidden
   ========================================================================== */

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

[hidden] {
  display: none;
}
.slider-container {
    width: 300px;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.slider-container .back-bar {
    height: 10px;
    position: relative;
}

.slider-container .back-bar .selected-bar {
    position: absolute;
    height: 100%;
}

.slider-container .back-bar .pointer {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: red;
    cursor: col-resize;
    opacity: 1;
    z-index: 2;
}

.slider-container .back-bar .pointer.last-active {
    z-index: 3;
}

.slider-container .back-bar .pointer-label {
    position: absolute;
    top: -17px;
    font-size: 8px;
    background: white;
    white-space: nowrap;
    line-height: 1;
}

.slider-container .back-bar .focused {
    z-index: 10;
}

.slider-container .clickable-dummy {
    cursor: pointer;
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slider-container .scale {
    top: 2px;
    position: relative;
}

.slider-container .scale span {
    position: absolute;
    height: 5px;
    border-left: 1px solid #999;
    font-size: 0;
}

.slider-container .scale ins {
    font-size: 1.2rem;
    text-decoration: none;
    position: absolute;
    left: 0;
    top: 5px;
    color: #999;
    line-height: 1;
}

.slider-container.slider-readonly .clickable-dummy,
.slider-container.slider-readonly .pointer {
    cursor: auto;
}

.theme-green .back-bar {
    height: 1rem;
    border-radius: 2px;
    background-color: #eeeeee;
    background-color: #e7e7e7;
    background-image: -moz-linear-gradient(top, #eeeeee, #dddddd);
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#eeeeee), to(#dddddd));
    background-image: -webkit-linear-gradient(top, #eeeeee, #dddddd);
    background-image: -o-linear-gradient(top, #eeeeee, #dddddd);
    background-image: linear-gradient(to bottom, #eeeeee, #dddddd);
    background-repeat: repeat-x;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffeeeeee', endColorstr='#ffdddddd', GradientType=0);
}

.theme-green .back-bar .selected-bar {
    border-radius: 2px;
    background-color: #2b93bf;
    background-repeat: repeat-x;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffbdfade', endColorstr='#ff76fabc', GradientType=0);
}

.theme-green .back-bar .pointer {
    width: 2rem;
    height: 2rem;
    top: -0.5rem;
    border-radius: 50%;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    border: 1px solid #AAA;
    background-color: #e7e7e7;
    background-image: -moz-linear-gradient(top, #eeeeee, #dddddd);
    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#eeeeee), to(#dddddd));
    background-image: -webkit-linear-gradient(top, #eeeeee, #dddddd);
    background-image: -o-linear-gradient(top, #eeeeee, #dddddd);
    background-image: linear-gradient(to bottom, #eeeeee, #dddddd);
    background-repeat: repeat-x;
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffeeeeee', endColorstr='#ffdddddd', GradientType=0);
}

.theme-green .back-bar .pointer-label {
    color: #999;
}

.theme-green .back-bar .focused {
    color: #333;
}

.theme-green .scale span {
    border-left: 1px solid #e5e5e5;
}

.theme-green .scale ins {
    color: #999;
}
* {
    font-family: PingFang SC, Helvetica Neue, Helvetica, Arial, Hiragino Sans GB, Microsoft Yahei;
}

body {
    padding-bottom: 5rem;
}

#header {
    height: 5rem;
    box-sizing: border-box;
    padding: 1rem 0;
    background: #3f3f40;
    /*background: -webkit-linear-gradient(#191919, #3f3f40); !* Safari 5.1 - 6.0 *!*/
}

#header-logo {
    height: 3rem;
    background: url(c9329cbf5b4a7caf92907c379d6846fc.png) no-repeat;
    background-size: contain;
}

.big-title {
    font-size: 2.5rem;
    line-height: 2.8rem;
    color: #363636;
    text-align: center;
    font-weight: bold;
    /*padding: 2.4rem 0;*/
    box-sizing: border-box;
}

.big-title img {
    width: 100%;
}

.sub-title {
    font-size: 1.2rem;
    line-height: 1.6rem;
    color: #363636;
    text-align: justify;
    width: 90%;
    margin: 0 auto 2rem;
    box-sizing: border-box;
    font-style: italic;
}

#age-bar {
    font-size: 2rem;
    width: 90%;
    margin: 0 auto 0.5rem;
    font-weight: bold;
}

#age-bar-desc {
    font-size: 1.2rem;
    color: #999999;
    width: 90%;
    margin: 0 auto;
}

#range-slider-container {
    margin: 2rem 10%;
    white-space: nowrap;
    word-wrap: break-word;
}

#map {
    position: relative;
}

#map .desc {
    font-size: 0.8rem;
    color: #999999;
}

#bjDesc {
    position: absolute;
    top: 25%;
    left: 43%;
    font-size: 1rem;
    /*border: 1px solid #000;*/
}

#shDesc {
    position: absolute;
    top: 63%;
    left: 76%;
    font-size: 1rem;
    /*border: 1px solid #000;*/
}

#gdDesc {
    position: absolute;
    top: 77%;
    left: 46%;
    font-size: 1rem;
    /*border: 1px solid #000;*/
}

.cut-off {
    width: 100%;
    height: 4rem;
    background: url(ed58de456818d7cfe96bff029a5be76e.jpg) no-repeat;
    background-size: contain;
    margin: 2rem auto;
}

.item-box {
    margin: 2rem 0;
}

.item-box .sec-title {
    width: 90%;
    margin: 0 auto 0.5rem;
    font-size: 1.3rem;
    line-height: 1.6rem;
    font-weight: bold;
}

.item-box img {
    width: 90%;
    display: block;
    margin: 1rem auto;
}

.item-box .item-content {
    width: 90%;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 2rem;
    text-align: justify;
}

.reference {
    width: 90%;
    margin: 0 auto 3rem;
    font-size: 1rem;
    line-height: 1.8rem;
    color: #999;
}

.author {
    width: 90%;
    margin: 0 auto;
    text-align: center;
    font-size: 1rem;
    color: #999;

}

.author img {
    width: 25%;
    margin: 0 auto;
    display: block;
    margin-bottom: 2rem;
}

#guideG {
    position: absolute;
    width: 100px;
    height: 100px;
    left: 10px;
    top: 10px;
    border: 1px solid #000;
}

svg {
    display: block;
}

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