a {
  color: #DC965A;
  text-decoration: none;
}

/*normalize start*/


/*! normalize.css v4.1.1 | MIT License | github.com/necolas/normalize.css */


/**
 * 1. Change the default font family in all browsers (opinionated).
 * 2. Prevent adjustments of font size after orientation changes in IE and iOS.
 */

html {
	font-family: sans-serif;
	/* 1 */
	-ms-text-size-adjust: 100%;
	/* 2 */
	-webkit-text-size-adjust: 100%;
	/* 2 */
}


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

body {
	margin: 0;
}


/* HTML5 display definitions
   ========================================================================== */


/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 * 2. Add the correct display in IE.
 */

article,
aside,
details,

/* 1 */

figcaption,
figure,
footer,
header,
main,

/* 2 */

menu,
nav,
section,
summary {
	/* 1 */
	display: block;
}


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

audio,
canvas,
progress,
video {
	display: inline-block;
}


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

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


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

progress {
	vertical-align: baseline;
}


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

template,

/* 1 */

[hidden] {
	display: none;
}


/* Links
   ========================================================================== */


/**
 * 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 */
}


/**
 * Remove the outline on focused links when they are also active or hovered
 * in all browsers (opinionated).
 */

a:active,
a:hover {
	outline-width: 0;
}


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


/**
 * 1. Remove the bottom border in 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;
}


/**
 * Add the correct font style in Android 4.3-.
 */

dfn {
	font-style: italic;
}


/**
 * 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;
}


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


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

img {
	border-style: none;
}


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

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


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


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

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


/**
 * 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 */
}


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


/**
 * 1. Change font properties to `inherit` in all browsers (opinionated).
 * 2. Remove the margin in Firefox and Safari.
 */

button,
input,
select,
textarea {
	font: inherit;
	/* 1 */
	margin: 0;
	/* 2 */
}


/**
 * Restore the font weight unset by the previous rule.
 */

optgroup {
	font-weight: bold;
}


/**
 * 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;
}


/**
 * Change the border, margin, and padding in all browsers (opinionated).
 */

fieldset {
	border: 1px solid #c0c0c0;
	margin: 0 2px;
	padding: 0.35em 0.625em 0.75em;
}


/**
 * 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 */
}


/**
 * 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 OS X.
 */

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


/**
 * Correct the text style of placeholders in Chrome, Edge, and Safari.
 */

::-webkit-input-placeholder {
	color: inherit;
	opacity: 0.54;
}


/**
 * 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 */
}

/*normalize end*/


/*main start*/

*{
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

h1{
	margin: 10px;
	font-size: 2.8125em;
	font-family: "times new roman";
}

.cleanfix:before{
	content: " ";
	display: table;
	width: 100%;
}

.cleanfix:after{
	content: " ";
	display: table;
	width: 100%;
}

nav{
	background-color:transparent;
}

.nav_items ul{
	float: right;
}

ul{
	margin: 0;
	padding: 0;
}

.logo{
	font-size: 30px;
	padding: 10px;
	font-weight: 900;
	font-family: "times new roman";
}

#index_html{
	display: inherit;
	text-decoration: none;
	color: #fff;
}

.c1, .c2, .c3, .c4, .c5, .c6, .c7, .c8, .c9, .c10, .c11, .c12{
	position: relative;
	float: left;
	min-height: 1px;
}

.c2{
	width: 16.66666666%;
}

.c10{
	width: 83.33333333%;
}

.mobile-nav{
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

nav ul{
	list-style: none;
}

nav ul li{
	display: inline-block;
}

nav ul li a{
	display: inherit;
	padding: 20px 12px;
	text-decoration: none;
	color: #fff;
}

nav ul li a:hover{ /* 鼠标经过以后的颜色变化 */
	color: #aaa;
}

header{
	min-height: 400px;
	width: 100%;
	background: #CCC url(../img/Background3.png);
	background-size: cover;
	background-repeat: no-repeat;
}

.inner_header{
	width: 54%;
	margin: 6% auto;
	margin-bottom: 0;
	position: relative;
	text-align: center;
	color: #fff;
	font-family: arial, simsun;
}

.sub_header{
	padding: 20px;
	font-family: KaiTi;
}

.container{
	width: 50%;
	margin: 0 auto;
}

.container_sitemap{
	width: 90%;
	margin: 0 auto;
}

.art_item{
	color: #555;
	padding: 30px 0;
	border-bottom: 1px solid #ddd;
}

.art_item h2{
	font-size: 2.125em;
	margin: 10px 0;
}

.art_item h2 a{
	display: inherit;
	text-decoration: none;
	color: #555;
}

.art_item .summary{
	font-size: 15px;
	font-weight: 100;
	color: #888;
	margin-bottom: 20px;
	text-align: justify;
}

.art_item .info{
	color: #999;
}

.art_item .info a{
	color: #999;
}

footer{
	background: #666;
	color: #fff;
}

.footer_item{
	font-family: arial;
	width: 100%;
	margin-top: 20px;
	margin: 0 auto;
	text-align: center;
	height: auto;
}

.footer_item ul{
	list-style: none;
	width: 100%;
}

.footer_item ul li{
	display: inline-block;
	padding: 1.25em;
}

.footer_item ul li a{
	text-decoration: none;
	color: #fff;
}

.inner_header.article h1{
	font-size: 2em;
	font-family: simsun;
}

.inner_header.error h1{
	font-size: 1.56em;
	font-family: STKaiti;
}

.article.info{
	padding: 5%;
	color: #999;
}

.article.info a{
	color: #999;
}

.download_type{
	text-align: center;
}

.download_type a{
	text-decoration: none;
	color: #444;
}

article{
	font-size: 100%;
	line-height: 2em;
	color: #444;
	border-bottom: 1px solid #ddd;
	text-align: justify;
}

.about.info{
	padding: 2%;
	color: #999;
	line-height: 2;
	font-family: "times new roman";
}

.about.info .intro_myself{
	margin-left: 5em;
	text-indent: -5em;
}

.about.info .wechat{
	margin-left: 9em;
	text-indent: -9em;
}

.previous_next{
	width: 50%;
	margin: 0 auto;
}

.previous_next .previous a{
	text-decoration: none;
	color: #444;
}

.previous_next .next a{
	/*display: inherit;*/
	text-decoration: none;
	color: #444;
}

.up{
	list-style: none;
}

.up li{
	display: inline-block;
}

.up .up_red{
	color: red;
}

.back2top{
	position: fixed;
	bottom: 10px;
	right:10px;
	width: 40px;
	height: 40px;
}

.back2top a{
	display: block;
	width: 100%;
}

.back2top a img{
	width: 100%;
}

.carlzhangblog-container{
	display: none;
}

.code{
	word-break: break-all;
}

.code p{
	line-height: 1em;
}

body{
	font-family: arial, SimSun;
}
/*main end*/

@media screen and (max-width: 768px) {
	.inner_header{
		width: 90%;
		margin: 6% auto;
		margin-bottom: 0;
		position: relative;
		text-align: center;
		color: #fff;
	}
	
	.container{
		width: 90%;
		margin: 0 auto;
	}
	
	.footer_item ul li{
		display: block;
		padding: 10px;
	}
	
	.footer_item .divide{
		display: none;
	}
	
	.previous_next{
		width: 90%;
		margin: 0 auto;
	}

	nav ul{
		list-style: none;
	}

	nav ul li{
		display: block;
	}
	
	nav ul li a{
		display: inherit;
		padding: 8px 6px;
		text-decoration: none;
		color: #fff;
	}
}

@media screen and (min-width: 768px) and (max-width: 1300px){
	.inner_header{
		width: 90%;
		margin: 6% auto;
		margin-bottom: 0;
		position: relative;
		text-align: center;
		color: #fff;
	}
	
	.container{
		width: 90%;
		margin: 0 auto;
	}
	
	.footer_item ul li{
		display: block;
		padding: 10px;
	}
	
	.footer_item .divide{
		display: none;
	}
	
	.previous_next{
		width: 90%;
		margin: 0 auto;
	}
	
	nav ul{
		list-style: none;
	}

	nav ul li{
		display: block;
	}
	
	nav ul li a{
		display: inherit;
		padding: 8px 4px;
		text-decoration: none;
		color: #fff;
	}
}

@media screen and (max-device-width: 768px){
	.carlzhangblog-container{
		display: inline-block;
		margin: 0;
		padding: 0;
		/*float: right;*/
	}
	
	.desktop-nav{
		display: none;
	}
	
	header{
		width: 100%;
		height: auto;
		min-height: 250px;
		background: #999;
		background-size: cover;
		background-repeat: no-repeat;
	}
	
	.sub_header{
		padding: 10px;
		font-family: KaiTi;
	}
	
	.canvas_js{
		display: none;
	}
}