@charset "UTF-8";

:root {
	--spacing: 10px;
	--font-size: 16px;
	--color-primary: #2563eb;
	--color-red: #D32F2F;
	--color-orange: #f0600c;
	--color-yellow: #ff9900;
	--color-green: #388E3C;
	--color-blue: #1d4ed8;
	--color-deep-blue: #012684;
	--color-navy: #001737;
	--color-blue-purple: #6360ff;
	--color-purple: #b645cd;
	--color-cyan: #026b70;
	--color-slate-blue: #2c3e50;
	--color-grey: #727171;
	--color-grey-light: #cccccc;
	--color-grey-lighter: #dddddd;
	--color-black: #000000;
	--color-text: #212529;
	--color-white: #e6e6e7;
	--color-bg: #ffffff;
	--border-radius: 4px;
	--shadow: 0 6px 16px rgba(0, 0, 0, 0.45), 0 -4px 12px rgba(0, 0, 0, 0.15);
	--shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6), 0 -8px 24px rgba(0, 0, 0, 0.25);
	--transition: all 0.3s ease;
}

:root[data-theme="dark"] {
	--color-bg: #001737;
	--color-text: #ffffff;
}

@media (max-width:768px) {
	:root {
		--spacing: 8px;
		--font-size: 14px;
	}
}

*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
	font-size: var(--font-size);
	color: var(--color-text);
	text-size-adjust: 100%;
}

body {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	line-height: 1.6;
	color: var(--color-text);
	background-color: var(--color-bg);
}

main {
	flex: 1;
}

.container {
	width: 100%;
	margin-right: auto;
	margin-left: auto;
	padding-right: calc(var(--spacing) * 1.5);
	padding-left: calc(var(--spacing) * 1.5);
}

.container:after {
	content: "";
	display: table;
	clear: both;
}

@media (min-width:576px) {
	.container {
		max-width: 540px;
	}
}

@media (min-width:768px) {
	.container {
		max-width: 720px;
	}
}

@media (min-width:992px) {
	.container {
		max-width: 960px;
	}
}

@media (min-width:1200px) {
	.container {
		max-width: 1140px;
	}
}

@media (min-width:1400px) {
	.container {
		max-width: 1320px;
	}
}

ol,
ul,
li {
	list-style: none;
}

b,
strong,
.bold {
	font-weight: 700;
}

i,
em {
	font-style: normal;
}

img {
	display: block;
	max-width: 100%;
	height: auto;
	border: none;
}

h1,
h2,
h3 {
	margin-top: 0;
	margin-bottom: var(--spacing);
	color: var(--color-text);
	font-weight: 600;
}

h1 {
	font-size: calc(var(--font-size) * 2);
	line-height: 1.3;
	font-weight: 700;
}

h2 {
	font-size: calc(var(--font-size) * 1.75);
	line-height: 1.4;
}

h3 {
	font-size: calc(var(--font-size) * 1.5);
	line-height: 1.5;
}

p {
	margin-bottom: calc(var(--spacing) * 1.5);
	font-size: var(--font-size);
	color: var(--color-text);
}

p:last-child {
	margin-bottom: 0;
}

a {
	color: var(--color-text);
	text-decoration: none;
	cursor: pointer;
	transition: color var(--transition);
}

a:hover {
	color: var(--color-primary);
}

hr {
	margin: calc(var(--spacing) * 1.5) 0;
	border-top: 1px dashed var(--color-text);
}


small {
	font-size: calc(var(--font-size) * 0.875);
}

sub,
sup {
	position: relative;
	font-size: calc(var(--font-size) * 0.75);
	line-height: 0;
	vertical-align: baseline;
}

sub {
	bottom: -4px;
}

sup {
	top: -8px;
}

code {
	display: inline;
	padding: calc(var(--spacing) * 0.5) var(--spacing);
	font-size: calc(var(--font-size) * 0.875);
	font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
	color: var(--color-red);
	background-color: var(--color-grey-lighter);
	border: 1px solid var(--color-grey-light);
	border-radius: var(--border-radius);
}


blockquote {
	position: relative;
	padding: 30px 50px 25px 50px;
	margin: 25px 0 15px 0;
	font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'Consolas', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
	color: var(--color-text);
	background: linear-gradient(135deg, rgba(240, 248, 255, 0.95) 0%, rgba(230, 240, 250, 0.98) 100%);
	border-left: 4px solid var(--color-primary);
	border-radius: 12px;
	box-shadow: var(--shadow);
	transition: all 0.3s ease;
}

blockquote:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-hover);
}

blockquote::before {
	content: "❝";
	position: absolute;
	top: 20px;
	left: 20px;
	font-size: calc(var(--font-size) * 2);
	color: var(--color-primary);
	opacity: 0.7;
	font-family: serif;
}

blockquote::after {
	content: "❞";
	position: absolute;
	bottom: 15px;
	right: 20px;
	font-size: calc(var(--font-size) * 2);
	color: var(--color-primary);
	opacity: 0.7;
	font-family: serif;
}

blockquote ul li {
	position: relative;
	margin-bottom: calc(var(--spacing) * 0.6);
	padding-left: calc(var(--spacing) * 1.5);
	font-size: var(--font-size);
	color: var(--color-text);
}

blockquote ul li:last-child {
	margin-bottom: 0;
}

blockquote ul li::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 0;
	width: 6px;
	height: 6px;
	transform: translateY(-50%);
	background-color: var(--color-primary);
	border-radius: 50%;
	opacity: 0.8;
}

/* span:before和 after添加* */
blockquote ul li span {
	font-size: calc(var(--font-size) * 0.875);
	color: var(--color-grey);
	position: relative;
}

blockquote ul li span:before {
	content: "/*";
}

blockquote ul li span:after {
	content: "*/";
}

button,
input,
optgroup,
select,
textarea {
	font: inherit;
	color: inherit;
}

button {
	overflow: visible;
	text-transform: none;
}

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

button[disabled],
input[disabled] {
	cursor: default;
}

input {
	line-height: normal;
}

input[type="checkbox"],
input[type="radio"] {
	box-sizing: border-box;
}

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

fieldset,
legend {
	border: 0;
}

textarea {
	overflow: auto;
	resize: none;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
	border: 0;
}

/* 按钮核心样式 */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: var(--spacing);
	font-size: var(--font-size);
	color: var(--color-text);
	background: var(--color-grey-light);
	border: 1px solid var(--color-grey-light);
	border-radius: var(--border-radius);
	white-space: nowrap;
	cursor: pointer;
	transition: var(--transition);
}

.btn:hover {
	background: var(--color-grey);
	border-color: var(--color-primary);
	transform: translateY(-2px);
	box-shadow: var(--shadow);
}

.btn.btn-primary {
	color: var(--color-white);
	background-color: var(--color-primary);
	border-color: var(--color-primary);
}

.btn.btn-primary:hover {
	background-color: var(--color-blue);
	border-color: var(--color-blue);
}

.btn.btn-secondary {
	background-color: var(--color-bg);
	color: var(--color-primary);
	border: 2px solid var(--color-primary);
}

.btn.btn-secondary:hover {
	background-color: var(--color-primary);
	color: var(--color-white);
}

.btn.btn-copy {
	color: var(--color-white);
	background-color: var(--color-green);
	border-color: var(--color-green);
}

.btn.btn-reset {
	color: var(--color-white);
	background-color: var(--color-red);
	border-color: var(--color-red);
}

.form legend {
	width: 100%;
	margin-bottom: var(--spacing);
	padding: var(--spacing) 0;
	font-size: calc(var(--font-size) * 1.125);
	color: var(--color-text);
	border-bottom: 1px solid var(--color-grey-light);
}

.form-group {
	display: flex;
	flex-direction: column;
	margin-bottom: calc(var(--spacing) * 1.5);
}

.radio-group,
.checkbox-group {
	display: flex;
	gap: calc(var(--spacing) * 2);
}

.form label {
	margin: calc(var(--spacing) * 0.75) 0;
	font-size: var(--font-size);
	color: var(--color-text);
}

.form input:not([type="checkbox"]):not([type="radio"]),
.form select,
.form textarea {
	width: 100%;
	padding: calc(var(--spacing) * 1.25) var(--spacing);
	font-size: var(--font-size);
	color: var(--color-text);
	border: 1px solid var(--color-grey-light);
	border-radius: var(--border-radius);
	transition: border-color var(--transition);
}

.form input:not([type="checkbox"]):not([type="radio"]):focus,
.form select:focus,
.form textarea:focus {
	outline: 0;
	border-color: var(--color-primary);
}

.input-message {
	display: block;
	margin-top: calc(var(--spacing) * 0.75);
	font-size: calc(var(--font-size) * 0.875);
	color: #999;
}

.search-container {
	max-width: 600px;
	margin: 0 auto;
	padding: var(--spacing) 0;
}

.search-form {
	display: flex;
	align-items: stretch;
	gap: calc(var(--spacing) * 0.75);
	flex-wrap: wrap;
}

.search-form .search-input {
	flex: 1;
	padding: calc(var(--spacing) * 1.25) var(--spacing);
	font-size: var(--font-size);
	color: var(--color-text);
	border: 1px solid var(--color-grey-light);
	border-radius: var(--border-radius);
	transition: border-color var(--transition);
}

.search-form .search-input:focus {
	outline: 0;
	border-color: var(--color-primary);
}

.search-form .search-btn {
	padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 2);
}

@media (max-width:576px) {
	.search-form {
		flex-direction: column;
	}

	.search-form .search-btn {
		width: 100%;
	}
}

.table {
	display: table;
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	empty-cells: show;
	color: var(--color-text);
	border: 1px solid var(--color-grey-light);
	border-radius: var(--border-radius);
	overflow: hidden;
}

.table caption {
	text-align: center;
	margin-bottom: calc(var(--spacing) * 0.75);
	font-size: calc(var(--font-size) * 1.25);
	font-weight: bold;
	color: var(--color-primary);
	text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}

.table thead {
	text-align: center;
	color: var(--color-black);
	background-color: var(--color-grey-lighter);
}

.table td,
.table th {
	overflow: visible;
	padding: calc(var(--spacing) * 1.25);
	font-size: var(--font-size);
	text-align: center;
	color: var(--color-text);
	border-left: 1px solid var(--color-grey-light);
}

.table td:first-child,
.table th:first-child {
	border-left-width: 0;
}

.table-striped tr:nth-child(2n) td {
	background-color: var(--color-grey-lighter);
}

.table-bordered td {
	border-bottom: 1px solid var(--color-grey-light);
}

.table-bordered tbody>tr:last-child>td {
	border-bottom-width: 0;
}

.table-horizontal td,
.table-horizontal th {
	border-width: 0 0 1px;
	border-bottom: 1px solid var(--color-grey-light);
}

.table-horizontal tbody>tr:last-child>td {
	border-bottom-width: 0;
}