body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Arial";
  font-size: 16px;
}
.main {
	color: #1f2328;
	line-height: 1.5;
	word-wrap: break-word;
	box-sizing: border-box;
	min-width: 200px;
	max-width: 980px;
	margin: 0 auto;
	padding: 20px 80px 20px 80px;
}

.main h1,
.main h2,
.main h3,
.main h4,
.main h5,
.main h6 {
	margin-top: 24px;
	margin-bottom: 16px;
	font-weight: 600;
	line-height: 1.25;
}

.main h1 {
	margin: 0.67em 0;
	font-weight: 600;
	padding-bottom: 0.3em;
	font-size: 1.8em;
	border-bottom: 1px solid #d8dee4;
}

.main h2 {
	padding-bottom: 0.3em;
	font-size: 1.5em;
	border-bottom: 1px solid #d8dee4;
}

.main h3 {
	font-size: 1.25em;
}

.main h4 {
	font-size: 1em;
}

.main h5 {
	font-size: 0.875em;
}

.main h6 {
	font-size: 0.85em;
	color: #656d76;
}

.main p,
.main blockquote,
.main ul,
.main ol,
.main table,
.main pre {
	margin-top: 0;
	margin-bottom: 16px;
}

.main a {
	color: #0969da;
	text-decoration: none;
}

.main a:hover {
	text-decoration: underline;
}

.main b,
.main strong {
	font-weight: 600;
}

.main img {
	max-width: 75%;
}

.main p {
	margin-top: 0;
	margin-bottom: 10px;
}

.main blockquote {
	margin: 0;
	padding: 0 1em;
	color: #656d76;
	border-left: 0.25em solid #d0d7de;
}

.main hr {
	box-sizing: content-box;
	overflow: hidden;
	background: transparent;
	border-bottom: 1px solid #d8dee4;
	height: 0.25em;
	padding: 0;
	margin: 24px 0;
	background-color: #d0d7de;
	border: 0;
}

.main ul,
.main ol {
	padding-left: 2em;
}

.main li {
	margin-top: 0.5em;
	margin-bottom: 0;
}

.main ol ol,
.main ul ol {
	list-style-type: lower-roman;
}

.main table {
	display: block;
	width: max-content;
	max-width: 100%;
	overflow: auto;
	border-collapse: collapse;
}

.main table th {
	font-weight: 600;
}

.main table tr {
	background-color: #fff;
}

.main table tr:nth-child(2n) {
	background-color: #f6f8fa;
}

.main code {
	font-size: 85%;
	padding: 0.2em 0.4em;
}

.main pre {
	padding: 16px;
}

.main pre code {
	display: inline;
	padding: 0;
	margin: 0;
	background-color: transparent;
	border: 0;
}

.main table th,
.main table td {
	padding: 6px 13px;
	border: 1px solid #d0d7de;
}

.main code,
.main pre {
	line-height: 1.35;
	font-family: monospace;
	text-wrap: wrap;
	white-space: pre-wrap;
	border-radius: 6px;
	color: #1f2328;
	background-color: #f6f8fa;
}

.main .btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    background-color: transparent;
    border: 1px solid transparent;
    padding: .25rem .5rem;
    font-size: .875rem;
    line-height: 1.5;
    border-radius: .2rem;
    color: #6c757d !important;
    border-color: #6c757d
}

@media (max-width: 800px) {
	.main {
		padding: 20px;
	}

	.main img {
		max-width: 100%;
	}
}

.post-lang-switch { margin-top: .5rem; font-size: .9rem; }
.post-lang-switch a { margin-right: .75rem; text-decoration: none; }
.post-lang-switch a:hover { text-decoration: underline; }

/* container */
.lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 6px;
}

/* pill button */
.lang-pill {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  padding: .4rem .7rem;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.12);
  background: rgba(0,0,0,.03);
  text-decoration: none;
  font-size: .875rem;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
  transition: background .2s, border-color .2s, color .2s, transform .06s;
}

.lang-pill:hover { 
  background: rgba(0,0,0,.06); 
  border-color: rgba(0,0,0,.18);
}

.lang-pill:active { transform: translateY(1px); }

/* active state */
.lang-pill.is-active {
  --accent: var(--color-accent, #0ea5e9); /* 若主题无变量则回退天蓝 */
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(14,165,233,.35);
}

.lang-pill .lang-code {
  font-weight: 600;
  font-variant: all-small-caps;
  letter-spacing: .04em;
  line-height: 1;
}

.lang-pill .lang-label { opacity: .85; }
.lang-pill.is-active .lang-label { opacity: 1; }

/* 深色模式优化 */
@media (prefers-color-scheme: dark) {
  .lang-pill {
    border-color: rgba(255,255,255,.16);
    background: rgba(255,255,255,.06);
    box-shadow: 0 1px 2px rgba(0,0,0,.3);
  }
  .lang-pill:hover { background: rgba(255,255,255,.09); }
}


.main .post-item {
  margin-bottom: 35px;
}

.main .post-date {
  margin-bottom: 5px;
}

.main .post-title {
  margin: 0;
  padding: 0;
  border: 0;
}

.main .post-hr {
  margin: 12px 0;
}
.page-nav {
  padding-left: 0;
  margin: 40px auto;
  border-radius: 4px;
  text-align: center;
}

.page-nav a,
.page-nav span {
  display: inline-block;
  padding: 6px 12px;
  margin-left: -1px;
  line-height: 1.42857143;
  color: #337ab7;
  text-decoration: none;
  background-color: #ffffff;
  border: 1px solid #dddddd;
}

.page-nav a :hover {
  color: #23527c;
  background-color: #eeeeee;
  border-color: #dddddd;
}

.page-nav span {
  color: #777777;
  cursor: not-allowed;
  background-color: #ffffff;
  border-color: #dddddd;
}

.page-nav .current {
  color: #ffffff;
  cursor: default;
  background-color: #337ab7;
  border-color: #337ab7;
}

.page-prev {
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

.page-next {
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}
.head-nav {
	overflow: hidden;
	background-color: #f5f5f5;
	border-bottom: 1px solid #ececec;
}

.head-nav .inner {
	min-width: 200px;
	max-width: 980px;
	margin: 0 auto;
	padding: 0px 100px;
}

.head-nav a {
	float: left;
	color: #555555;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
	font-size: 17px;
	font-weight: bold;
}

.head-nav a:hover {
	color: #a7a7a7;
	font-weight: bold;
}

.head-nav .right {
	float: right;
}

@media (max-width: 800px) {
	.inner {
		padding: 0px 20px;
	}

	.head-nav a {
		padding: 14px 8px;
	}
}