As the sun rises and the forest mist clears, and the clouds return and the caves darken, these changes of light and shadow are the morning and evening in the mountains. Wildflowers bloom with their subtle fragrance, fine trees flourish with their dense shade, the wind and frost are pure and clean, and the water recedes to reveal the rocks—these are the four seasons in the mountains. Going out in the morning and returning in the evening, the scenery of the four seasons is different, and the joy is endless.至于负者歌于途,行者休于树,前者呼,后者应,伛偻提携,往来而不绝者,滁人游也。临溪而渔,溪深而鱼肥,酿泉为酒,泉香而酒洌,山肴野蔌,杂然而前陈者,太守宴也。宴酣之乐,非丝非竹,射者中,弈者胜,觥筹交错,起坐而喧哗者,众宾欢也。苍颜白发,颓然乎其间者,太守醉也。
/*! This file is auto-generated from CodeMirror - github:codemirror/CodeMirror#ee20357d279bf9edfed0047d3bf2a75b5f0a040f
CodeMirror, copyright (c) by Marijn Haverbeke and others
Distributed under an MIT license: http://codemirror.net/LICENSE
This is CodeMirror (http://codemirror.net), a code editor
implemented in JavaScript on top of the browser's DOM.
You can find some technical background for some of the code below
at http://marijnhaverbeke.nl/blog/#cm-internals .
*/.CodeMirror-Tern-tooltip,.CodeMirror-hints{-webkit-box-shadow:2px 3px 5px rgba(0,0,0,.2)}.CodeMirror{font-family:monospace;height:300px;color:#000;direction:ltr}.CodeMirror-lines{padding:4px 0}.CodeMirror pre{padding:0 4px}.CodeMirror-gutter-filler,.CodeMirror-scrollbar-filler{background-color:#fff}.CodeMirror-gutters{border-right:1px solid #ddd;background-color:#f7f7f7;white-space:nowrap}.CodeMirror-linenumber{padding:0 3px 0 5px;min-width:20px;text-align:right;color:#999;white-space:nowrap}.CodeMirror-guttermarker{color:#000}.CodeMirror-guttermarker-subtle{color:#999}.CodeMirror-cursor{border-left:1px solid #000;border-right:none;width:0}.CodeMirror div.CodeMirror-secondarycursor{border-left:1px solid silver}.cm-fat-cursor .CodeMirror-cursor{width:auto;border:0!important;background:#7e7}.cm-fat-cursor div.CodeMirror-cursors{z-index:1}.cm-animate-fat-cursor{width:auto;border:0;-webkit-animation:blink 1.06s steps(1) infinite;-moz-animation:blink 1.06s steps(1) infinite;animation:blink 1.06s steps(1) infinite;background-color:#7e7}@-moz-keyframes blink{50%{background-color:transparent}}@-webkit-keyframes blink{50%{background-color:transparent}}@keyframes blink{50%{background-color:transparent}}.cm-tab{display:inline-block;text-decoration:inherit}.CodeMirror-rulers{position:absolute;left:0;right:0;top:-50px;bottom:-20px;overflow:hidden}.CodeMirror-ruler{border-left:1px solid #ccc;top:0;bottom:0;position:absolute}.cm-s-default .cm-header{color:#00f}.cm-s-default .cm-quote{color:#090}.cm-negative{color:#d44}.cm-positive{color:#292}.cm-header,.cm-strong{font-weight:700}.cm-em{font-style:italic}.cm-link{text-decoration:underline}.cm-strikethrough{text-decoration:line-through}.cm-s-default .cm-keyword{color:#708}.cm-s-default .cm-atom{color:#219}.cm-s-default .cm-number{color:#164}.cm-s-default .cm-def{color:#00f}.cm-s-default .cm-variable-2{color:#05a}.cm-s-default .cm-type,.cm-s-default .cm-variable-3{color:#085}.cm-s-default .cm-comment{color:#a50}.cm-s-default .cm-string{color:#a11}.cm-s-default .cm-string-2{color:#f50}.cm-s-default .cm-meta,.cm-s-default .cm-qualifier{color:#555}.cm-s-default .cm-builtin{color:#30a}.cm-s-default .cm-bracket{color:#997}.cm-s-default .cm-tag{color:#170}.cm-s-default .cm-attribute{color:#00c}.cm-s-default .cm-hr{color:#999}.cm-s-default .cm-link{color:#00c}.cm-invalidchar,.cm-s-default .cm-error{color:red}.CodeMirror-composing{border-bottom:2px solid}div.CodeMirror span.CodeMirror-matchingbracket{color:#0f0}div.CodeMirror span.CodeMirror-nonmatchingbracket{color:#f22}.CodeMirror-matchingtag{background:rgba(255,150,0,.3)}.CodeMirror-activeline-background{background:#e8f2ff}.CodeMirror{position:relative;overflow:hidden;background:#fff}.CodeMirror-scroll{overflow:scroll!important;margin-bottom:-30px;margin-right:-30px;padding-bottom:30px;height:100%;outline:0;position:relative}.CodeMirror-sizer{position:relative;border-right:30px solid transparent}.CodeMirror-gutter-filler,.CodeMirror-hscrollbar,.CodeMirror-scrollbar-filler,.CodeMirror-vscrollbar{position:absolute;z-index:6;display:none}.CodeMirror-vscrollbar{right:0;top:0;overflow-x:hidden;overflow-y:scroll}.CodeMirror-hscrollbar{bottom:0;left:0;overflow-y:hidden;overflow-x:scroll}.CodeMirror-scrollbar-filler{right:0;bottom:0}.CodeMirror-gutter-filler{left:0;bottom:0}.CodeMirror-gutters{position:absolute;left:0;top:0;min-height:100%;z-index:3}.CodeMirror-gutter{white-space:normal;height:100%;display:inline-block;vertical-align:top;margin-bottom:-30px}.CodeMirror-gutter-wrapper{position:absolute;z-index:4;background:0 0!important;border:none!important}.CodeMirror-gutter-background{position:absolute;top:0;bottom:0;z-index:4}.CodeMirror-gutter-elt{position:absolute;cursor:default;z-index:4}.CodeMirror-gutter-wrapper ::selection{background-color:transparent}.CodeMirror-gutter-wrapper ::-moz-selection{background-color:transparent}.CodeMirror-lines{cursor:text;min-height:1px}.CodeMirror pre{-moz-border-radius:0;-webkit-border-radius:0;border-radius:0;border-width:0;background:0 0;font-family:inherit;font-size:inherit;margin:0;white-space:pre;word-wrap:normal;line-height:inherit;color:inherit;z-index:2;position:relative;overflow:visible;-webkit-tap-highlight-color:transparent;-webkit-font-variant-ligatures:contextual;font-variant-ligatures:contextual}.CodeMirror-wrap pre{word-wrap:break-word;white-space:pre-wrap;word-break:normal}.CodeMirror-linebackground{position:absolute;left:0;right:0;top:0;bottom:0;z-index:0}.CodeMirror-linewidget{position:relative;z-index:2;overflow:auto}.CodeMirror-rtl pre{direction:rtl}.CodeMirror-code{outline:0}.CodeMirror-gutter,.CodeMirror-gutters,.CodeMirror-linenumber,.CodeMirror-scroll,.CodeMirror-sizer{-moz-box-sizing:content-box;box-sizing:content-box}.CodeMirror-measure{position:absolute;width:100%;height:0;overflow:hidden;visibility:hidden}.CodeMirror-cursor{position:absolute;pointer-events:none}.CodeMirror-measure pre{position:static}div.CodeMirror-cursors{visibility:hidden;position:relative;z-index:3}.CodeMirror-focused div.CodeMirror-cursors,div.CodeMirror-dragcursors{visibility:visible}.CodeMirror-selected{background:#d9d9d9}.CodeMirror-focused .CodeMirror-selected{background:#d7d4f0}.CodeMirror-crosshair{cursor:crosshair}.CodeMirror-line::selection,.CodeMirror-line>span::selection,.CodeMirror-line>span>span::selection{background:#d7d4f0}.CodeMirror-line::-moz-selection,.CodeMirror-line>span::-moz-selection,.CodeMirror-line>span>span::-moz-selection{background:#d7d4f0}.cm-searching{background-color:#ffa;background-color:rgba(255,255,0,.4)}.cm-force-border{padding-right:.1px}@media print{.CodeMirror div.CodeMirror-cursors{visibility:hidden}}.cm-tab-wrap-hack:after{content:''}span.CodeMirror-selectedtext{background:0 0}.CodeMirror-hints{position:absolute;z-index:10;overflow:hidden;list-style:none;margin:0;padding:2px;-moz-box-shadow:2px 3px 5px rgba(0,0,0,.2);box-shadow:2px 3px 5px rgba(0,0,0,.2);border-radius:3px;border:1px solid silver;background:#fff;font-size:90%;font-family:monospace;max-height:20em;overflow-y:auto}.CodeMirror-hint{margin:0;padding:0 4px;border-radius:2px;white-space:pre;color:#000;cursor:pointer}li.CodeMirror-hint-active{background:#08f;color:#fff}.CodeMirror-lint-markers{width:16px}.CodeMirror-lint-tooltip{background-color:#ffd;border:1px solid #000;border-radius:4px;color:#000;font-family:monospace;font-size:10pt;overflow:hidden;padding:2px 5px;position:fixed;white-space:pre;white-space:pre-wrap;z-index:100;max-width:600px;opacity:0;transition:opacity .4s;-moz-transition:opacity .4s;-webkit-transition:opacity .4s;-o-transition:opacity .4s;-ms-transition:opacity .4s}.CodeMirror-lint-mark-error,.CodeMirror-lint-mark-warning{background-position:left bottom;background-repeat:repeat-x}.CodeMirror-lint-mark-error{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJDw4cOCW1/KIAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAHElEQVQI12NggIL/DAz/GdA5/xkY/qPKMDAwAADLZwf5rvm+LQAAAABJRU5ErkJggg==)}.CodeMirror-lint-mark-warning{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJFhQXEbhTg7YAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAMklEQVQI12NkgIIvJ3QXMjAwdDN+OaEbysDA4MPAwNDNwMCwiOHLCd1zX07o6kBVGQEAKBANtobskNMAAAAASUVORK5CYII=)}.CodeMirror-lint-marker-error,.CodeMirror-lint-marker-warning{background-position:center center;background-repeat:no-repeat;cursor:pointer;display:inline-block;height:16px;width:16px;vertical-align:middle;position:relative}.CodeMirror-lint-message-error,.CodeMirror-lint-message-warning{padding-left:18px;background-position:top left;background-repeat:no-repeat}.CodeMirror-lint-marker-error,.CodeMirror-lint-message-error{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAHlBMVEW7AAC7AACxAAC7AAC7AAAAAAC4AAC5AAD///+7AAAUdclpAAAABnRSTlMXnORSiwCK0ZKSAAAATUlEQVR42mWPOQ7AQAgDuQLx/z8csYRmPRIFIwRGnosRrpamvkKi0FTIiMASR3hhKW+hAN6/tIWhu9PDWiTGNEkTtIOucA5Oyr9ckPgAWm0GPBog6v4AAAAASUVORK5CYII=)}.CodeMirror-lint-marker-warning,.CodeMirror-lint-message-warning{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAANlBMVEX/uwDvrwD/uwD/uwD/uwD/uwD/uwD/uwD/uwD6twD/uwAAAADurwD2tQD7uAD+ugAAAAD/uwDhmeTRAAAADHRSTlMJ8mN1EYcbmiixgACm7WbuAAAAVklEQVR42n3PUQqAIBBFUU1LLc3u/jdbOJoW1P08DA9Gba8+YWJ6gNJoNYIBzAA2chBth5kLmG9YUoG0NHAUwFXwO9LuBQL1giCQb8gC9Oro2vp5rncCIY8L8uEx5ZkAAAAASUVORK5CYII=)}.CodeMirror-lint-marker-multiple{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAMAAADzjKfhAAAACVBMVEUAAAAAAAC/v7914kyHAAAAAXRSTlMAQObYZgAAACNJREFUeNo1ioEJAAAIwmz/H90iFFSGJgFMe3gaLZ0od+9/AQZ0ADosbYraAAAAAElFTkSuQmCC);background-repeat:no-repeat;background-position:right bottom;width:100%;height:100%}.CodeMirror-dialog{position:absolute;left:0;right:0;background:inherit;z-index:15;padding:.1em .8em;overflow:hidden;color:inherit}.CodeMirror-dialog-top{border-bottom:1px solid #eee;top:0}.CodeMirror-dialog-bottom{border-top:1px solid #eee;bottom:0}.CodeMirror-dialog input{border:none;outline:0;background:0 0;width:20em;color:inherit;font-family:monospace}.CodeMirror-dialog button{font-size:70%}.CodeMirror-fullscreen{position:fixed;top:0;left:0;right:0;bottom:0;height:auto;z-index:9}.CodeMirror-foldmarker{color:#00f;text-shadow:#b9f 1px 1px 2px,#b9f -1px -1px 2px,#b9f 1px -1px 2px,#b9f -1px 1px 2px;font-family:arial;line-height:.3;cursor:pointer}.CodeMirror-foldgutter{width:.7em}.CodeMirror-foldgutter-folded,.CodeMirror-foldgutter-open{cursor:pointer}.CodeMirror-foldgutter-open:after{content:"\25BE"}.CodeMirror-foldgutter-folded:after{content:"\25B8"}.CodeMirror-merge{position:relative;border:1px solid #ddd;white-space:pre}.CodeMirror-merge,.CodeMirror-merge .CodeMirror{height:350px}.CodeMirror-merge-2pane .CodeMirror-merge-pane{width:47%}.CodeMirror-merge-2pane .CodeMirror-merge-gap{width:6%}.CodeMirror-merge-3pane .CodeMirror-merge-pane{width:31%}.CodeMirror-merge-3pane .CodeMirror-merge-gap{width:3.5%}.CodeMirror-merge-pane{display:inline-block;white-space:normal;vertical-align:top}.CodeMirror-merge-pane-rightmost{position:absolute;right:0;z-index:1}.CodeMirror-merge-gap{z-index:2;display:inline-block;height:100%;-moz-box-sizing:border-box;box-sizing:border-box;overflow:hidden;border-left:1px solid #ddd;border-right:1px solid #ddd;position:relative;background:#f8f8f8}.CodeMirror-merge-collapsed-line .CodeMirror-gutter-elt,.CodeMirror-overlayscroll .CodeMirror-gutter-filler,.CodeMirror-overlayscroll .CodeMirror-scrollbar-filler{display:none}.CodeMirror-merge-scrolllock-wrap{position:absolute;bottom:0;left:50%}.CodeMirror-merge-scrolllock{position:relative;left:-50%;cursor:pointer;color:#555;line-height:1}.CodeMirror-merge-copy,.CodeMirror-merge-copy-reverse{color:#44c;cursor:pointer;position:absolute}.CodeMirror-merge-copybuttons-left,.CodeMirror-merge-copybuttons-right{position:absolute;left:0;top:0;right:0;bottom:0;line-height:1}.CodeMirror-merge-copy{z-index:3}.CodeMirror-merge-copybuttons-left .CodeMirror-merge-copy{left:2px}.CodeMirror-merge-copybuttons-right .CodeMirror-merge-copy{right:2px}.CodeMirror-merge-l-inserted,.CodeMirror-merge-r-inserted{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAGUlEQVQI12MwuCXy3+CWyH8GBgYGJgYkAABZbAQ9ELXurwAAAABJRU5ErkJggg==);background-position:bottom left;background-repeat:repeat-x}.CodeMirror-merge-l-deleted,.CodeMirror-merge-r-deleted{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAGUlEQVQI12M4Kyb2/6yY2H8GBgYGJgYkAABURgPz6Ks7wQAAAABJRU5ErkJggg==);background-position:bottom left;background-repeat:repeat-x}.CodeMirror-merge-r-chunk{background:#ffffe0}.CodeMirror-merge-r-chunk-start{border-top:1px solid #ee8}.CodeMirror-merge-r-chunk-end{border-bottom:1px solid #ee8}.CodeMirror-merge-r-connect{fill:#ffffe0;stroke:#ee8;stroke-width:1px}.CodeMirror-merge-l-chunk{background:#eef}.CodeMirror-merge-l-chunk-start{border-top:1px solid #88e}.CodeMirror-merge-l-chunk-end{border-bottom:1px solid #88e}.CodeMirror-merge-l-connect{fill:#eef;stroke:#88e;stroke-width:1px}.CodeMirror-merge-l-chunk.CodeMirror-merge-r-chunk{background:#dfd}.CodeMirror-merge-l-chunk-start.CodeMirror-merge-r-chunk-start{border-top:1px solid #4e4}.CodeMirror-merge-l-chunk-end.CodeMirror-merge-r-chunk-end{border-bottom:1px solid #4e4}.CodeMirror-merge-collapsed-widget:before{content:"(...)"}.CodeMirror-merge-collapsed-widget{cursor:pointer;color:#88b;background:#eef;border:1px solid #ddf;font-size:90%;padding:0 3px;border-radius:4px}.CodeMirror-simplescroll-horizontal div,.CodeMirror-simplescroll-vertical div{position:absolute;background:#ccc;-moz-box-sizing:border-box;box-sizing:border-box;border:1px solid #bbb;border-radius:2px}.CodeMirror-simplescroll-horizontal,.CodeMirror-simplescroll-vertical{position:absolute;z-index:6;background:#eee}.CodeMirror-simplescroll-horizontal{bottom:0;left:0;height:8px}.CodeMirror-simplescroll-horizontal div{bottom:0;height:100%}.CodeMirror-simplescroll-vertical{right:0;top:0;width:8px}.CodeMirror-simplescroll-vertical div{right:0;width:100%}.CodeMirror-overlayscroll-horizontal div,.CodeMirror-overlayscroll-vertical div{position:absolute;background:#bcd;border-radius:3px}.CodeMirror-overlayscroll-horizontal,.CodeMirror-overlayscroll-vertical{position:absolute;z-index:6}.CodeMirror-overlayscroll-horizontal{bottom:0;left:0;height:6px}.CodeMirror-overlayscroll-horizontal div{bottom:0;height:100%}.CodeMirror-overlayscroll-vertical{right:0;top:0;width:6px}.CodeMirror-overlayscroll-vertical div{right:0;width:100%}.CodeMirror-search-match{background:gold;border-top:1px solid orange;border-bottom:1px solid orange;-moz-box-sizing:border-box;box-sizing:border-box;opacity:.5}.CodeMirror-Tern-completion{padding-left:22px;position:relative;line-height:1.5}.CodeMirror-Tern-completion:before{position:absolute;left:2px;bottom:2px;border-radius:50%;font-size:12px;font-weight:700;height:15px;width:15px;line-height:16px;text-align:center;color:#fff;-moz-box-sizing:border-box;box-sizing:border-box}.CodeMirror-Tern-completion-unknown:before{content:"?";background:#4bb}.CodeMirror-Tern-completion-object:before{content:"O";background:#77c}.CodeMirror-Tern-completion-fn:before{content:"F";background:#7c7}.CodeMirror-Tern-completion-array:before{content:"A";background:#c66}.CodeMirror-Tern-completion-number:before{content:"1";background:#999}.CodeMirror-Tern-completion-string:before{content:"S";background:#999}.CodeMirror-Tern-completion-bool:before{content:"B";background:#999}.CodeMirror-Tern-completion-guess{color:#999}.CodeMirror-Tern-tooltip{border:1px solid silver;border-radius:3px;color:#444;padding:2px 5px;font-size:90%;font-family:monospace;background-color:#fff;white-space:pre-wrap;max-width:40em;position:absolute;z-index:10;-moz-box-shadow:2px 3px 5px rgba(0,0,0,.2);box-shadow:2px 3px 5px rgba(0,0,0,.2);transition:opacity 1s;-moz-transition:opacity 1s;-webkit-transition:opacity 1s;-o-transition:opacity 1s;-ms-transition:opacity 1s}.CodeMirror-Tern-hint-doc{max-width:25em;margin-top:-3px}.CodeMirror-Tern-fname{color:#000}.CodeMirror-Tern-farg{color:#70a}.CodeMirror-Tern-farg-current{text-decoration:underline}.CodeMirror-Tern-type{color:#07c}.CodeMirror-Tern-fhint-guess{opacity:.7}