:root{
	--c1: #3498db;
	--c3: #db3498;
	--scroll-bar-bg-color: transparent;
}
*,
*:before,
*:after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
	font: inherit;
	font-weight: inherit;
	line-height: inherit;
	list-style: none;
	text-decoration: none;
	color: inherit;
	background: inherit;
	border: 0;
	border-radius: 0;
	outline: 0;
	box-shadow: none;
	-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-webkit-tap-highlight-color: transparent;
	scrollbar-width: thin;
	scrollbar-color: #c5c5c5 transparent;
	scrollbar-color: var(--c1) var(--scroll-bar-bg-color);
}

html {
	scroll-behavior: smooth;
}

body,html {
	width: 100%;
	height: 100%;
}
main{
	margin: auto;
}
button,a {
	color: var(--c1);
	cursor: pointer;
	user-select: none;
}

code,pre {
	background-color: #f0f0f0;
}

body {
	font-family: 'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;
	line-height: 1.6;
	color: #333;
	max-width: 800px;
	margin: 0 auto;
	padding: 20px;
	background-color: #f9f9f9;
}

h1,h2,h3 {
	color: #2c3e50;
	margin-top: 1.5em;
}

h1 {
	font-size: 2.2em;
	border-bottom: 2px solid var(--c1);
	padding-bottom: 10px;
	margin-bottom: 1rem;
}

h2 {
	font-size: 1.8em;
	color: #2980b9;
}

h3 {
	font-size: 1.4em;
}

p {
	margin-bottom: 1.2em;
}

ol,ul {
	margin-bottom: 1.5em;
	padding-left: 1.5em;
}

li {
	margin-bottom: .5em;
}

li {
margin-bottom: 10px;
padding-left: 20px;
position: relative;
}
li:before {
content: "•";
color: var(--c1);;
font-weight: bold;
display: inline-block;
width: 1em;
margin-left: -1em;
}

.note,pre,table {
	margin: 1.5em 0;
}

pre {
	padding: 15px;
	border-radius: 5px;
	overflow-x: auto;
	border-left: 4px solid var(--c1);
}

.highlight,code {
	padding: 2px 5px;
}

code {
	font-family: 'Courier New',Courier,monospace;
	border-radius: 3px;
	font-size: .9em;
}

table {
	width: 100%;
	border-collapse: collapse;
}

td,th {
	border: 1px solid #ddd;
	padding: 8px 12px;
	text-align: left;
}

th {
	background-color: var(--c1);
	color: #fff;
}

tr:nth-child(2n) {
	background-color: #f2f2f2;
}

.highlight {
	background-color: #fffde7;
	border-radius: 3px;
}

.note {
	background-color: #e3f2fd;
	border-left: 4px solid #2196f3;
	padding: 15px;
	border-radius: 0 3px 3px 0;
}

@media (max-width:600px) {
	body {
		padding: 15px;
	}

	h1 {
		font-size: 1.8em;
	}

	h2 {
		font-size: 1.5em;
	}

	pre {
		font-size: .9em;
		padding: 10px;
	}
}

txt {
	font-size: 1.3rem;
	font-weight: 100;
	line-height: 1.3;
	word-wrap: break-word;
	white-space: pre;
	white-space: pre-wrap;
	white-space: pre-line;
	margin: auto;
}

.txt {
	max-width: 46ch;
	margin: 3rem auto;
	white-space: pre-wrap;
	overflow-wrap: break-word;
}

#reviews {
	max-width: 700px;
	margin: 2rem auto;
	padding: 1rem 1.5rem;
	background: #f9f9fb;
	border-radius: 10px;
	box-shadow: 0 4px 12px rgba(0,0,0,0.1);
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	color: #333;
}

#reviews h2 {
	text-align: center;
	font-size: 2rem;
	margin-bottom: 1.5rem;
	color: #2c3e50;
}

.review {
	background: #fff;
	border-left: 5px solid var(--c1);
	padding: 1rem 1.5rem;
	margin-bottom: 1.25rem;
	border-radius: 6px;
	box-shadow: 0 2px 6px rgba(52, 152, 219, 0.15);
	transition: box-shadow 0.3s ease;
}

.review:hover {
	box-shadow: 0 6px 15px rgba(52, 152, 219, 0.3);
}

.review p {
	font-size: 1rem;
	line-height: 1.5;
	margin: 0;
}

.review strong {
	color: #2980b9;
	font-weight: 700;
	display: block;
	margin-bottom: 0.4rem;
	font-size: 1.1rem;
}

ul.tag {
	user-select: none;
	list-style-type: none;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

ul.tag li {
	background-color: #f0f0f0;
	padding: 5px 14px;
	border-radius: 15px;
	font-size: 14px;
}

.r2{
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
}
.r2>div{
	flex: 1;
	min-width: 300px;
	padding: 2rem;
}
.red{
	width: auto;
	max-width: 100%;
	font-size: 24px;
	padding: 2rem 1rem;
	color: var(--c3);
	margin: auto;
}