@charset "utf-8";
@font-face {
  font-family: 'icomoon';
  src: url('fonts/icomoon.eot?7jyvbf');
  src: url('fonts/icomoon.eot?7jyvbf#iefix') format('embedded-opentype'), url('fonts/icomoon.ttf?7jyvbf') format('truetype'), url('fonts/icomoon.woff?7jyvbf') format('woff'), url('fonts/icomoon.svg?7jyvbf#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
}
[class^="icon-"],
[class*=" icon-"] {
  /* use !important to prevent issues with browser extensions that change fonts */
  font-family: 'icomoon' !important;
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  /* Better Font Rendering =========== */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-arrow_upward:before {
  content: "\e5d8";
}
.icon-chat_bubble_outline:before {
  content: "\e0cb";
}
.icon-format_list_bulleted:before {
  content: "\e241";
}
.icon-format_list_numbered:before {
  content: "\e242";
}
.icon-close:before {
  content: "\e5cd";
}
.icon-search:before {
  content: "\e8b6";
}
.icon-chevron-down:before {
  content: "\e900";
}
.icon-chevron-left:before {
  content: "\e901";
}
.icon-chevron-right:before {
  content: "\e902";
}
.icon-chevron-thin-down:before {
  content: "\e903";
}
.icon-chevron-thin-left:before {
  content: "\e904";
}
.icon-chevron-thin-right:before {
  content: "\e905";
}
.icon-chevron-thin-up:before {
  content: "\e906";
}
.icon-chevron-up:before {
  content: "\e907";
}
.icon-mail:before {
  content: "\e90d";
}
.icon-menu:before {
  content: "\e908";
}
.icon-rss:before {
  content: "\e90a";
}
.icon-user:before {
  content: "\e90b";
}
.icon-vcard:before {
  content: "\e909";
}
.icon-sina-weibo:before {
  content: "\e90e";
}
.icon-facebook:before {
  content: "\e90f";
}
.icon-github:before {
  content: "\e910";
}
.icon-google:before {
  content: "\e911";
}
.icon-instagram:before {
  content: "\e912";
}
.icon-pinterest:before {
  content: "\e913";
}
.icon-tumblr:before {
  content: "\e914";
}
.icon-twitter:before {
  content: "\e915";
}
/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
/**
 * 1. Set default font family to sans-serif.
 * 2. Prevent iOS text size adjust after orientation change, without disabling
 *    user zoom.
 */
html {
  font-family: sans-serif;
  /* 1 */
  -ms-text-size-adjust: 100%;
  /* 2 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
}
/**
 * Remove default margin.
 */
body {
  margin: 0;
}
/* HTML5 display definitions
   ========================================================================== */
/**
 * Correct `block` display not defined for any HTML5 element in IE 8/9.
 * Correct `block` display not defined for `details` or `summary` in IE 10/11
 * and Firefox.
 * Correct `block` display not defined for `main` in IE 11.
 */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}
/**
 * 1. Correct `inline-block` display not defined in IE 8/9.
 * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
 */
audio,
canvas,
progress,
video {
  display: inline-block;
  /* 1 */
  vertical-align: baseline;
  /* 2 */
}
/**
 * Prevent modern browsers from displaying `audio` without controls.
 * Remove excess height in iOS 5 devices.
 */
audio:not([controls]) {
  display: none;
  height: 0;
}
/**
 * Address `[hidden]` styling not present in IE 8/9/10.
 * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
 */
[hidden],
template {
  display: none;
}
/* Links
   ========================================================================== */
/**
 * Remove the gray background color from active links in IE 10.
 */
a {
  background-color: transparent;
}
/**
 * Improve readability when focused and also mouse hovered in all browsers.
 */
a:active,
a:hover {
  outline: 0;
}
/* Text-level semantics
   ========================================================================== */
/**
 * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
 */
abbr[title] {
  border-bottom: 1px dotted;
}
/**
 * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
 */
b,
strong {
  font-weight: bold;
}
/**
 * Address styling not present in Safari and Chrome.
 */
dfn {
  font-style: italic;
}
/**
 * Address variable `h1` font-size and margin within `section` and `article`
 * contexts in Firefox 4+, Safari, and Chrome.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}
/**
 * Address styling not present in IE 8/9.
 */
mark {
  background: #ff0;
  color: #000;
}
/**
 * Address inconsistent and variable font size in all browsers.
 */
small {
  font-size: 80%;
}
/**
 * Prevent `sub` and `sup` affecting `line-height` in all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sup {
  top: -0.5em;
}
sub {
  bottom: -0.25em;
}
/* Embedded content
   ========================================================================== */
/**
 * Remove border when inside `a` element in IE 8/9/10.
 */
img {
  border: 0;
}
/**
 * Correct overflow not hidden in IE 9/10/11.
 */
svg:not(:root) {
  overflow: hidden;
}
/* Grouping content
   ========================================================================== */
/**
 * Address margin not present in IE 8/9 and Safari.
 */
figure {
  margin: 1em 40px;
}
/**
 * Address differences between Firefox and other browsers.
 */
hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}
/**
 * Contain overflow in all browsers.
 */
pre {
  overflow: auto;
}
/**
 * Address odd `em`-unit font size rendering in all browsers.
 */
code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}
/* Forms
   ========================================================================== */
/**
 * Known limitation: by default, Chrome and Safari on OS X allow very limited
 * styling of `select`, unless a `border` property is set.
 */
/**
 * 1. Correct color not being inherited.
 *    Known issue: affects color of disabled elements.
 * 2. Correct font properties not being inherited.
 * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
 */
button,
input,
optgroup,
select,
textarea {
  color: inherit;
  /* 1 */
  font: inherit;
  /* 2 */
  margin: 0;
  /* 3 */
}
/**
 * Address `overflow` set to `hidden` in IE 8/9/10/11.
 */
button {
  overflow: visible;
}
/**
 * Address inconsistent `text-transform` inheritance for `button` and `select`.
 * All other form control elements do not inherit `text-transform` values.
 * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
 * Correct `select` style inheritance in Firefox.
 */
button,
select {
  text-transform: none;
}
/**
 * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
 *    and `video` controls.
 * 2. Correct inability to style clickable `input` types in iOS.
 * 3. Improve usability and consistency of cursor style between image-type
 *    `input` and others.
 */
button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button;
  /* 2 */
  cursor: pointer;
  /* 3 */
}
/**
 * Re-set default cursor for disabled elements.
 */
button[disabled],
html input[disabled] {
  cursor: default;
}
/**
 * Remove inner padding and border in Firefox 4+.
 */
button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}
/**
 * Address Firefox 4+ setting `line-height` on `input` using `!important` in
 * the UA stylesheet.
 */
input {
  line-height: normal;
}
/**
 * It's recommended that you don't attempt to style these elements.
 * Firefox's implementation doesn't respect box-sizing, padding, or width.
 *
 * 1. Address box sizing set to `content-box` in IE 8/9/10.
 * 2. Remove excess padding in IE 8/9/10.
 */
input[type="checkbox"],
input[type="radio"] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */
}
/**
 * Fix the cursor style for Chrome's increment/decrement buttons. For certain
 * `font-size` values of the `input`, it causes the cursor style of the
 * decrement button to change from `default` to `text`.
 */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}
/**
 * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
 * 2. Address `box-sizing` set to `border-box` in Safari and Chrome
 *    (include `-moz` to future-proof).
 */
input[type="search"] {
  -webkit-appearance: textfield;
  /* 1 */
  -moz-box-sizing: content-box;
  -webkit-box-sizing: content-box;
  /* 2 */
  box-sizing: content-box;
}
/**
 * Remove inner padding and search cancel button in Safari and Chrome on OS X.
 * Safari (but not Chrome) clips the cancel button when the search input has
 * padding (and `textfield` appearance).
 */
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}
/**
 * Define consistent border, margin, and padding.
 */
fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}
/**
 * 1. Correct `color` not being inherited in IE 8/9/10/11.
 * 2. Remove padding so people aren't caught out if they zero out fieldsets.
 */
legend {
  border: 0;
  /* 1 */
  padding: 0;
  /* 2 */
}
/**
 * Remove default vertical scrollbar in IE 8/9/10/11.
 */
textarea {
  overflow: auto;
}
/**
 * Don't inherit the `font-weight` (applied by a rule above).
 * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
 */
optgroup {
  font-weight: bold;
}
/* Tables
   ========================================================================== */
/**
 * Remove most spacing between table cells.
 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}
td,
th {
  padding: 0;
}
/* Basic Settings */
* {
  box-sizing: border-box;
  outline: none;
  margin: 0;
  padding: 0;
}
/* My Base */
html {
  width: 100%;
  height: 100%;
  padding-top: 50px;
  font-family: 'Titillium Web', Helvetica, "Hiragino Sans GB", "Hiragino Sans GB W3", Source Han Sans CN Regular, WenQuanYi Micro Hei, "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5rem;
  color: #414141;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-rendering: optimizelegibility;
}
body {
  background-color: #EBECEE;
}
body.modal-active {
  overflow: hidden;
}
@media (max-width: 680px) {
  body.modal-active {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
  }
}
body.z_menu-open .menu-phone {
  transform: translate3d(0, 0, 0);
}
.z-depth-0 {
  box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.14);
}
.z-depth-1,
.l_header,
.menu-phone,
.l_main .post,
.m_widget {
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
}
.z-depth-1-half {
  box-shadow: 0 5px 11px 0 rgba(0, 0, 0, 0.18), 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}
.z-depth-2,
.toc-wrapper {
  box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
.z-depth-3 {
  box-shadow: 0 12px 15px 0 rgba(0, 0, 0, 0.24), 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}
.z-depth-4 {
  box-shadow: 0 16px 28px 0 rgba(0, 0, 0, 0.22), 0 25px 55px 0 rgba(0, 0, 0, 0.21);
}
.z-depth-5 {
  box-shadow: 0 27px 24px 0 rgba(0, 0, 0, 0.2), 0 40px 77px 0 rgba(0, 0, 0, 0.22);
}
.hoverable {
  transition: box-shadow 0.25s;
  box-shadow: 0;
}
.hoverable:hover {
  transition: box-shadow 0.25s;
  box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
::-moz-selection {
  background: rgba(106, 184, 247, 0.7);
  color: #414141;
}
::selection {
  background: rgba(106, 184, 247, 0.7);
  color: #414141;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  -webkit-font-feature-settings: 'dlig' 1, 'liga' 1, 'lnum' 1, 'kern' 1;
  -moz-font-feature-settings: 'dlig' 1, 'liga' 1, 'lnum' 1, 'kern' 1;
  -o-font-feature-settings: 'dlig' 1, 'liga' 1, 'lnum' 1, 'kern' 1;
  text-rendering: geometricPrecision;
  margin: 0 0 0.4em 0;
}
h1 {
  font-size: 1.8em;
}
h2 {
  font-size: 1.6em;
}
h3 {
  font-size: 1.4em;
}
h4 {
  font-size: 1.2em;
}
h5 {
  font-size: 1em;
}
h6 {
  font-size: 1em;
}
a {
  color: #414141;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.24s ease;
}
a:hover {
  text-decoration: none;
}
pre {
  tab-size: 2;
  -moz-tab-size: 2;
  -o-tab-size: 2;
  -webkit-tab-size: 2;
}
img {
  max-width: 100%;
}
/**
 *  Util
 */
.clearfix {
  zoom: 1;
}
.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
}
.clearfix:after {
  clear: both;
}
.hidden {
  text-indent: -9999px;
  visibility: hidden;
  display: none;
}
.inner {
  position: relative;
  width: 80%;
  max-width: 710px;
  margin: 0 auto;
}
.vertical {
  display: table-cell;
  vertical-align: middle;
}
.right {
  float: right;
}
.left {
  float: left;
}
.disable-trans {
  -moz-transition: none !important;
  -webkit-transition: none !important;
  -o-transition: color 0 ease-in !important;
  transition: none !important;
}
.dark-btn {
  display: inline-block;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid black;
  padding: 0px 15px;
  font-size: 13px;
  font-family: 'Titillium Web', Helvetica, "Hiragino Sans GB", "Hiragino Sans GB W3", Source Han Sans CN Regular, WenQuanYi Micro Hei, "Microsoft YaHei", Arial, sans-serif;
  text-align: center;
  color: #c2c2c2;
}
.dark-btn:hover {
  color: #f5f5f5;
  background-color: #009688;
}
.dark-btn .icon {
  margin-right: 5px;
  font-size: 16px;
  vertical-align: middle;
  line-height: 44px;
}
.dark-btn .text {
  vertical-align: middle;
  line-height: 44px;
}
.txt-ellipsis,
.toc-wrapper ol li,
.m_widget ul.entry > li > a .name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
ul,
ol {
  padding-left: 0;
}
li {
  list-style: none;
}
.mark {
  position: relative;
}
.mark a {
  display: inline-block;
  padding: 0 8px;
  color: #414141;
  border-left: 3px solid transparent;
  background: transparent;
  transition: all ease 0.24s;
}
.mark a:hover {
  border-left-color: #2196f3;
  background: #f1f1f3;
}
ul.h-list {
  display: flex;
  align-items: center;
}
ul.h-list > li {
  flex: none;
}
/**
 *  Loading bar
 */
#loading-bar-wrapper {
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  overflow: visible;
  z-index: 99999;
}
#loading-bar {
  position: relative;
  width: 0;
  height: 2px;
  background-color: #52b455;
  transition: all 0.5s ease;
}
.container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.container--flex {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: center;
}
.l_body {
  position: relative;
  padding: 30px 0 0 0;
}
@media (max-width: 820px) {
  .l_body {
    padding: 20px 20px/2 20px/2;
  }
}
.reveal {
  visibility: hidden;
}
.l_header {
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  font-size: 1rem;
  line-height: 50px;
  height: 50px;
  overflow: hidden;
  background: #3367d6;
  padding: 0 20px;
}
.l_header .wrapper {
  transition: transform 0.2s ease-out;
}
.l_header .wrapper.sub {
  transform: translateY(-50px);
}
.l_header .nav--main,
.l_header .nav-sub {
  height: 50px;
}
.l_header,
.l_header a {
  color: #ffffff;
}
.l_header .logo {
  flex: none;
  padding: 0 20px;
  font-size: 1.3rem;
}
.l_header .menu {
  position: relative;
  flex: 1 0 auto;
  height: 50px;
  transition: all 0.24s ease-out;
  margin: 0 28px;
}
.l_header .menu ul > li > a {
  transition: all 0.24s ease-out;
  display: block;
  color: rgba(255, 255, 255, 0.7);
  padding: 0 16px; /* 修改为更大的左右内边距 */
  margin: 0 4px;   /* 增加左右间距 */
}

.l_header .menu ul > li > a:hover,
.l_header .menu ul > li > a.active {
  color: #ffffff;
  background: rgba(255,255,255,0.08); /* 可选，增加悬停时的背景色 */
  padding: 0 16px; /* 保持内边距一致 */
  margin: 0 4px;   /* 保持间距一致 */
}
.l_header .menu .underline {
  transition: all 0.15s ease-out;
  position: absolute;
  background: #ffffff;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
}
.l_header .switcher {
  display: none;
  font-size: 1.3rem;
}
.l_header .switcher > li {
  margin-left: 20px;
  transition: all 0.24s ease-out;
}
.l_header .switcher > li svg {
  margin-top: 16px;
}
@media (max-width: 820px) {
  .l_header .switcher {
    display: flex;
  }
}
.l_header .nav-sub .switcher {
  display: flex;
}
@media (max-width: 820px) {
  .l_header .m_search {
    width: 0;
    overflow: hidden;
    position: absolute;
    transition: all 0.24s ease-out;
    right: 0px;
    top: 14px/2;
  }
  .l_header.z_search-open .logo,
  .l_header.z_search-open .switcher {
    opacity: 0;
  }
  .l_header.z_search-open .m_search {
    width: 100%;
  }
}
.m_search {
  position: relative;
  height: 36px;
  width: 300px;
  line-height: 36px;
  vertical-align: middle;
}
.m_search .form {
  position: relative;
  display: block;
  width: 100%;
}
.m_search .icon,
.m_search .input {
  transition: all 0.1s ease-out;
}
.m_search .icon {
  position: absolute;
  display: block;
  height: 36px;
  width: 36px;
  line-height: 36px;
  top: 0;
  left: 20px/2;
}
.m_search .input {
  display: block;
  font-size: 14px;
  line-height: 26px;
  margin: 0;
  width: 100%;
  color: #ffffff;
  padding: 5px 10px 5px 40px;
  height: 36px;
  line-height: 36px;
  font-family: 'Titillium Web', Helvetica, "Hiragino Sans GB", "Hiragino Sans GB W3", Source Han Sans CN Regular, WenQuanYi Micro Hei, "Microsoft YaHei", Arial, sans-serif;
  border: none;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.15);
  box-sizing: border-box;
  -webkit-appearance: none;
  box-shadow: none;
}
.m_search .input:hover {
  background: rgba(255, 255, 255, 0.35);
}
.m_search .input:focus {
  color: #414141;
  background: #ffffff;
}
.m_search .input:focus::-webkit-input-placeholder {
  color: #414141;
}
.m_search .input:focus:-moz-placeholder {
  color: #414141;
}
.m_search .input:focus::-moz-placeholder {
  color: #414141;
}
.m_search .input:focus:-ms-input-placeholder {
  color: #414141;
}
.m_search .input:focus ~ .icon {
  color: #414141;
}
.m_search .input::-webkit-input-placeholder {
  color: #ffffff;
}
.m_search .input:-moz-placeholder {
  color: #ffffff;
}
.m_search .input::-moz-placeholder {
  color: #ffffff;
}
.m_search .input:-ms-input-placeholder {
  color: #ffffff;
}
.menu-phone {
  position: fixed;
  top: 0;
  right: 0;
  width: 220px;
  z-index: 9999;
  padding: 20px/2 0px;
  line-height: 40px;
  background: white;
  border: 1px solid #e6e7e6;
  border-right: 0;
  transform: translate3d(280px, 0, 0);
  transition: all 0.24s ease;
}
.menu-phone nav .nav {
  position: relative;
  display: block;
  color: #414141;
  font-size: 0.8125em;
  padding: 2px 20px;
  border-left: 3px solid transparent;
}
.menu-phone nav .nav:hover {
  background: rgba(233, 234, 234, 0.6);
  border-color: #2196f3;
}
/* 桌面端：使用 Flex 布局 */
.l_body {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* 主内容区 */
.l_main {
  flex: 1;
  min-width: 0;
  max-width: 840px;
  order: 1;
  width: calc(100% - 360px);
  margin-right: 60px;
  margin-top: 70px;
  padding-right: 0; /* 添加右侧间距防止重叠 */
  box-sizing: border-box;
}

/* 侧边栏 */
.l_side {
  width: 250px;
  flex-shrink: 0;
  order: 2;
  position: sticky;
  margin-left: 20px;
  background: #fff;
  box-shadow: -8px 0 16px rgba(0,0,0,0.05);
  top: 70px;
  height: fit-content;
  margin: 0;
}

/* 文章列表 */
.post-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0 0 30px;
}

.post-item.card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 25px;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
}

/* 移动端适配 */
@media (max-width: 820px) {
/* 主体布局结构 */
.l_body {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  gap: 30px;
  box-sizing: border-box;
}

/* 主内容区 */
.l_main {
  flex: 1;
  min-width: 0; /* 防止flex子项溢出 */
  max-width: 850px; /* 调整主内容区宽度 */
}

/* 侧边栏 */
.l_side {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 70px; /* 距离顶部的距离 */
  height: fit-content;
  margin-top: 0; /* 移除上边距，与主内容对齐 */
}

/* 侧边栏中的卡片样式 */
.l_side .card, 
.l_side .toc-wrapper {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 20px;
  margin-bottom: 20px;
}

/* 移动端适配 */
@media (max-width: 820px) {
  .l_body {
    flex-direction: column;
    padding: 15px;
  }

  .l_main {
    max-width: 100%;
    padding-right: 0; /* 移动端移除右侧间距 */
  }

  .l_side {
    width: 100%;
    position: static;
    margin-top: 20px;
  }
}
}

@media (max-width: 480px) {
  .l_body {
    padding: 15px 10px;
  }

  .post-item.card {
    padding: 15px;
  }
}
.post-list {
  display: block;
  margin: 40px 0;
}

@media (max-width: 820px) {
  .l_main .post-list {
    margin: 0;
  }
}
.l_main #comments {
  position: relative;
  padding-top: 30px;
  background: white;
}
@media (max-width: 820px) {
  .l_main #comments {
    padding-top: 20px;
  }
}
.l_main .post-wrapper {
  column-break-inside: avoid;
  break-inside: avoid-column;
}
.l_main .post-wrapper {
  padding: 20px / 2;
}
.l_main .post-wrapper .post {
  padding: 30px 20px;
}
.l_main .post-wrapper .post .meta {
  margin-bottom: 20px;
}
.l_main .post-wrapper .post .meta .title {
  font-size: 1.5rem;
}
.l_main .post-wrapper .post .full-width {
  margin-left: -20px;
  margin-right: -20px;
  padding-left: 20px;
  padding-right: 20px;
  width: calc(100% + 2 * 20px);
}
.l_main .post-wrapper .post .auto-padding {
  padding-left: 20px;
  padding-right: 20px;
}
.l_main .post-wrapper .post img,
.l_main .post-wrapper .post .highlight {
  margin-left: -20px;
  margin-right: -20px;
  width: calc(100% + 2 * 20px);
  max-width: none;
}
.l_main .post-wrapper .tags {
  margin-bottom: -30px;
}
@media (max-width: 820px) {
  .l_main .post-wrapper {
    padding-left: 0;
    padding-right: 0;
  }
}
.l_main .post {
  position: relative;
  margin: 0 auto;
  padding: 40px 30px;
  background: white;
}
.l_main .post .meta {
  margin-bottom: 40px;
}
.l_main .post .meta .title {
  left: 0;
  font-size: 2rem;
}
@media (max-width: 820px) {
  .l_main .post .meta .title {
    font-size: 1.5rem;
  }
}
.l_main .post .meta .title:before {
  content: none;
}
.l_main .post .meta .title a {
  display: inline;
  line-height: 1.25;
  font-weight: normal;
  color: #464646;
}
.l_main .post .meta .title a:hover {
  color: #2196f3;
}
.l_main .post .meta time,
.l_main .post .meta .cats {
  display: inline-block;
  font-size: 0.75rem;
}
.l_main .post .meta .cats:before {
  display: inline-block;
  margin: 0 5px;
  content: '';
  border-top: 8px/2 solid transparent;
  border-bottom: 8px/2 solid transparent;
  border-left: 8px solid #4caf50;
}
.l_main .post .meta .cats a {
  font-weight: bold;
  color: #4caf50;
}
.l_main .post .meta time {
  color: #b5b5b5;
}
.l_main .post .full-width,
.l_main .post .highlight {
  margin-left: -30px;
  margin-right: -30px;
  padding-left: 30px;
  padding-right: 30px;
  width: calc(100% + 3 * 20px);
}
.l_main .post img {
  max-width: 100%;
}
@media (max-width: 820px) {
  .l_main {
    padding-right: 0;
  }
  .l_main .post {
    padding: 30px 20px;
  }
  .l_main .post .meta {
    margin-bottom: 20px;
  }
  .l_main .post .meta .title {
    font-size: 1.5rem;
  }
  .l_main .post .full-width {
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
    width: calc(100% + 2 * 20px);
  }
  .l_main .post .auto-padding {
    padding-left: 20px;
    padding-right: 20px;
  }
  .l_main .post img,
  .l_main .post .highlight {
    margin-left: -20px;
    margin-right: -20px;
    width: calc(100% + 2 * 20px);
    max-width: none;
  }
}
.l_side {
  width: 250px;
  float: right;
  margin-left: -250px;
}
@media (max-width: 820px) {
  .l_side {
    margin: 20px 0 0;
    width: 100%;
  }
  .l_side .m_widget {
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.1);
  }
}
.toc-wrapper {
  position: fixed;
  top: 90px;
  right: 50%;
  margin-right: -1200px/2;
  transition: all 0.24s ease-out;
  overflow: auto;
  max-height: calc(100% - 50px - 2 * 20px);
  width: 250px;
  z-index: 3;
  padding: 20px;
  border-left: 3px solid #4caf50;
  background: #ffffff;
}
@media (max-width: 1200px) {
  .toc-wrapper {
    right: 0;
    margin-right: 0;
  }
}
@media (max-width: 820px) {
  .toc-wrapper {
    right: -247px;
    margin-right: 0;
  }
  .toc-wrapper.active {
    transform: translateX(-250px);
  }
}
.toc-wrapper a {
  display: inline-block;
}
.toc-wrapper a:hover,
.toc-wrapper a:active,
.toc-wrapper a.active {
  color: #2196f3;
}
.toc-wrapper ol.toc-child {
  padding-left: 20px;
}
.toc-wrapper ol li {
  list-style: none;
  width: auto;
}
.toc-wrapper:empty {
  display: none;
}
.m_widget {
  background: #ffffff;
  margin-bottom: 20px;
}
.m_widget .header {
  font-size: 1.2rem;
  line-height: 2rem;
  padding: 8px 20px;
}
.m_widget .header:before {
  content: '#';
  margin-left: -10px;
  margin-right: 10px;
  color: #4caf50;
}
.m_widget .content {
  border-top: 1px solid rgba(65, 65, 65, 0.1);
  padding: 20px/2 0;
}
.m_widget ul.entry > li > a {
  padding: 0 20px;
  line-height: 36px;
  height: 36px;
  display: flex;
  justify-content: space-between;
  align-content: center;
}
.m_widget ul.entry > li > a .name {
  flex: auto;
  color: #696969;
}
.m_widget ul.entry > li > a .badget {
  flex: none;
  color: #828282;
}
.m_widget ul.entry > li > a:hover {
  background: rgba(0, 0, 0, 0.08);
}
.m_widget.about .waves-effect,
.m_widget.about img {
  width: 100%;
  display: block;
}
@media (max-width: 820px) {
  .m_widget.about {
    display: none;
  }
}
.m_widget.about .content {
  padding: 0;
}
.m_widget.about .content .desc {
  position: relative;
  padding: 20px;
  background: #f7f7f7;
  transition: all 0.15s ease-out;
  line-height: 1.2em;
  font-style: italic;
}
.m_widget.about .content .desc:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: #4caf50;
}
.m_widget.about .content .desc:empty {
  padding: 0;
  height: 0;
}
.m_widget.tagcloud .content {
  padding: 10px 20px;
}
.m_widget.tagcloud .content a {
  display: inline-block;
  transition: all 0.1s ease-out;
  line-height: 1.6em;
}
.m_widget.tagcloud .content a:hover {
  color: #2196f3 !important;
  text-decoration: underline;
}
#archive-page {
  margin-bottom: 40px;
}
#archive-page .archive {
  position: relative;
}
#archive-page .archive .archive-year {
  font-size: 16px;
  margin: 10px 0px;
}
#archive-page .archive .archive-year a {
  color: #414141;
}
#archive-page .archive .archive-post a {
  display: inline-flex;
  flex-flow: row nowrap;
  justify-content: flex-start;
  align-items: flex-start;
}
#archive-page .archive .archive-post time {
  color: #414141;
  flex: none;
  font-size: 12px;
  padding-right: 10px;
}
#archive-page .archive .archive-post .title {
  flex: auto;
  font-size: 14px;
  color: #2196f3;
}
.article {
  color: #464646;
  font-size: 1rem;
  line-height: 1.6;
  word-break: break-all;
  word-wrap: break-word;
}
.article em {
  position: relative;
}
.article em:before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  content: "・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・";
}
.article img {
  position: relative;
  display: block;
  margin: 0 auto;
  background: white;
  transition: all 0.24s ease;
}
@media (max-width: 820px) {
  .article img {
    box-shadow: none;
  }
}
.article hr {
  border: 0;
  border-bottom: 1px solid #ddd;
}
.article p.small-img img,
.article div.small-img img {
  width: auto;
  max-width: 100%;
  margin: 0;
  box-shadow: none;
}
.article p {
  margin: 20px 0px;
}
.article ul,
.article ol {
  list-style: initial;
  padding-left: 20px;
  margin: 20px 0px;
}
.article ul > li,
.article ol > li {
  list-style: initial;
}
.article a {
  color: #1791f2;
}
.article a:hover {
  color: #128ff2;
  background: rgba(33, 150, 243, 0.1);
}
.article a:active {
  background: rgba(33, 150, 243, 0.2);
  color: #ffffff;
}
.article h1,
.article h2,
.article h3,
.article h4,
.article h5,
.article h6 {
  position: relative;
  font-family: 'Titillium Web', Helvetica, "Hiragino Sans GB", "Hiragino Sans GB W3", Source Han Sans CN Regular, WenQuanYi Micro Hei, "Microsoft YaHei", Arial, sans-serif;
  font-weight: normal;
  margin: 20px auto 10px;
  left: 20px;
}
.article h1::before,
.article h2::before,
.article h3::before,
.article h4::before,
.article h5::before,
.article h6::before {
  position: absolute;
  left: -20px;
  top: 0px;
  content: "#";
  color: #4caf50;
  font-weight: normal;
}
.article h1.title,
.article h2.title,
.article h3.title,
.article h4.title,
.article h5.title,
.article h6.title {
  left: 0;
}
.article h1.title:before,
.article h2.title:before,
.article h3.title:before,
.article h4.title:before,
.article h5.title:before,
.article h6.title:before {
  content: none;
}
.article figure figcaption span {
  display: inline-block;
  margin-right: 5px;
}
.article blockquote {
  position: relative;
  width: 100%;
  margin: 20px 0px;
  padding: 0px 20px;
  border-left: 4px solid #4caf50;
}
.article blockquote footer strong {
  margin-right: 7px;
}
.article pre {
  display: block;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-family: "Roboto Mono", Consolas, monospace, sans-serif;
}
.article code {
  font-family: "Roboto Mono", Consolas, monospace, sans-serif;
  color: #4caf50;
  padding: 3px 5px;
  margin: 0px 2px;
  border-radius: 2px;
  font-size: 1em;
  background: #f9f9fa;
}
.article .readmore {
  font-size: 1.2rem;
  margin-top: 20px;
}
.article .readmore a {
  display: inline-block;
  vertical-align: middle;
  line-height: 2rem;
}
.article .tags {
  position: relative;
  padding-top: 20px/2;
  padding-bottom: 20px/2;
  font-size: 1rem;
  line-height: 1.5rem;
  margin-top: 20px;
  background: #f7f7f7;
  word-spacing: 20px/2;
}
.article .tags.article-tags {
  background: transparent;
}
.article .tags a {
  position: relative;
  display: inline-block;
  word-spacing: 0;
  transition: all 0.1s ease-out;
  color: #828282;
}
.article .tags a:hover {
  color: #2196f3;
  background: transparent;
}
.article .tags a::before {
  content: "#";
}
.article table:not('.highlight table') {
  width: 100%;
}
.article table:not('.highlight table') td,
.article table:not('.highlight table') th {
  padding: 12px 24px;
}
.article table:not('.highlight table') tr {
  border-bottom: 1px solid #ddd;
}
.article table:not('.highlight table') > thead > th {
  border-bottom-width: 2px;
}
@media (max-width: 820px) {
  .article h1,
  .article h2,
  .article h3 {
    margin: 20px 0px;
  }
  .article h4,
  .article h5,
  .article h6 {
    margin: 10px 0px;
  }
  .article h1 {
    font-size: 1.5em;
  }
  .article h2 {
    font-size: 1.4em;
  }
  .article h3 {
    font-size: 1.3em;
  }
  .article h4 {
    font-size: 1.2em;
  }
  .article h5 {
    font-size: 1.1em;
  }
  .article h6 {
    font-size: 1em;
  }
  .article figure {
    font-size: 13px;
    line-height: 1.6em;
  }
}
/* Tomorrow Night Eighties Theme */
/* Original theme - https://github.com/chriskempson/tomorrow-theme */
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
.tomorrow-comment,
pre .comment,
pre .title {
  color: #999999;
}
.tomorrow-red,
pre .variable,
pre .attribute,
pre .tag,
pre .regexp,
pre .ruby .constant,
pre .xml .tag .title,
pre .xml .pi,
pre .xml .doctype,
pre .html .doctype,
pre .css .id,
pre .css .class,
pre .css .pseudo {
  color: #f2777a;
}
.tomorrow-orange,
pre .number,
pre .preprocessor,
pre .built_in,
pre .literal,
pre .params,
pre .constant {
  color: #f99157;
}
.tomorrow-yellow,
pre .class,
pre .ruby .class .title,
pre .css .rules .attribute {
  color: #ffcc66;
}
.tomorrow-green,
pre .string,
pre .value,
pre .inheritance,
pre .header,
pre .ruby .symbol,
pre .xml .cdata {
  color: #99cc99;
}
.tomorrow-aqua,
pre .css .hexcolor {
  color: #66cccc;
}
.tomorrow-blue,
pre .function,
pre .python .decorator,
pre .python .title,
pre .ruby .function .title,
pre .ruby .title .keyword,
pre .perl .sub,
pre .javascript .title,
pre .coffeescript .title {
  color: #6699cc;
}
.tomorrow-purple,
pre .keyword,
pre .javascript .function {
  color: #cc99cc;
}
.highlight {
  width: 100%;
  margin: 20px 0px;
  overflow: auto;
  display: block;
  background: #2d2d2d;
  color: #cccccc;
  font-size: 0.9rem;
  font-family: "Roboto Mono", Consolas, monospace, sans-serif;
  line-height: 1.5;
  border: 1px solid #ccc;
  padding: 10px;
  /* Handle */
}
.highlight .gutter {
  color: #999999;
  padding-right: 20px;
  text-align: right;
}
.highlight .code {
  vertical-align: top;
}
.highlight::-webkit-scrollbar {
  height: 6px;
  width: 6px;
}
.highlight::-webkit-scrollbar-track-piece {
  background: transparent;
}
.highlight::-webkit-scrollbar-thumb {
  background: #ccc;
  cursor: pointer;
  transition: all 0.2s ease-out;
}
.highlight::-webkit-scrollbar-thumb:hover {
  background: #b3b3b3;
}
.art-item-footer {
  height: 40px;
  line-height: 40px;
}
.art-item-footer .art-item-left,
.art-item-footer .art-item-right {
  width: 50%;
  height: 40px;
  line-height: 40px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.art-item-footer .art-item-left {
  float: left;
  text-align: left;
}
.art-item-footer .art-item-right {
  width: 50%;
  float: right;
  text-align: right;
}
/* Pagination */
#page-nav {
  position: relative;
  width: 100%;
  padding: 20px 0px;
}
#page-nav .page-number,
#page-nav .space {
  display: none;
}
#page-nav .next,
#page-nav .prev {
  font-size: 0.8125em;
  font-weight: normal;
  color: #a7a7a7;
  border-radius: 2px;
}
#page-nav .next:hover,
#page-nav .prev:hover {
  color: #414141;
}
#page-nav .next span,
#page-nav .prev span {
  line-height: 20px;
  vertical-align: middle;
}
#page-nav .next span.icon,
#page-nav .prev span.icon {
  position: relative;
  top: 1px;
}
#page-nav .next {
  float: right;
  padding: 0 7px 2px 10px;
}
#page-nav .prev {
  float: left;
  padding: 0 10px 2px 7px;
}
#u-search {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 60px 20px;
  z-index: 999999;
}
@media (max-width: 680px) {
  #u-search {
    padding: 0px;
  }
}
#u-search .modal {
  position: fixed;
  height: 80%;
  width: 100%;
  max-width: 640px;
  left: 50%;
  top: 0;
  margin: 64px 0px 0px -320px;
  background: #fff;
  box-shadow: 0 7px 8px -4px rgba(0, 0, 0, 0.2), 0 13px 19px 2px rgba(0, 0, 0, 0.14), 0 5px 24px 4px rgba(0, 0, 0, 0.12);
  z-index: 3;
}
@media (max-width: 680px) {
  #u-search .modal {
    box-shadow: none;
    max-width: none;
    top: 0;
    left: 0;
    margin: 0;
    height: 100%;
  }
}
#u-search .modal .modal-ajax-content {
  opacity: 0;
  visibility: hidden;
  transition: all 0.36s;
}
#u-search .modal .modal-ajax-content.loaded {
  opacity: 1;
  visibility: visible;
}
#u-search .modal .modal-header {
  position: relative;
  width: 100%;
  height: 50px;
  background-color: #3367d6;
  z-index: 3;
}
#u-search .modal .modal-header .btn-close {
  display: block;
  position: absolute;
  width: 50px;
  height: 50px;
  top: 0;
  right: 0;
  color: white;
  cursor: pointer;
  text-align: center;
  line-height: 50px;
  vertical-align: middle;
  font-size: 18px;
  transition: all 0.24s;
  z-index: 2;
}
#u-search .modal .modal-header .btn-close:hover {
  transform: rotate(90deg);
}
#u-search .modal .modal-header .modal-loading {
  position: absolute;
  bottom: -2px;
  left: 0px;
  width: 100%;
  height: 2px;
  background: transparent;
  z-index: 1;
}
#u-search .modal .modal-header .modal-loading .modal-loading-bar {
  display: block;
  position: relative;
  width: 0%;
  height: 100%;
  background: #6ab8f7;
  transition: width 0.24s;
}
#u-search .modal .modal-header #u-search-modal-form {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
}
#u-search .modal .modal-header #u-search-modal-form #u-search-modal-input {
  width: 100%;
  padding: 0px 50px 0px 40px;
  font-size: 15px;
  line-height: 50px;
  vertical-align: middle;
  color: #fff;
  border: none;
  background: transparent;
  transition: background-color 0.24s;
  font-weight: thin;
  appearance: none;
  box-shadow: none;
}
#u-search .modal .modal-header #u-search-modal-form #u-search-modal-input:focus {
  background-color: #3c546a;
}
#u-search .modal .modal-header #u-search-modal-btn-submit {
  position: absolute;
  top: 0;
  left: 0;
  padding-left: 5px;
  padding-top: 2px;
  background: transparent;
  border: none;
  width: 40px;
  height: 50px;
  vertical-align: middle;
  font-size: 20px;
  color: white;
  z-index: 2;
}
#u-search .modal .modal-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  padding: 0px 15px;
  background: #fff;
  border-top: 1px solid #dadada;
}
#u-search .modal .modal-footer .logo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  text-align: center;
  z-index: 0;
}
#u-search .modal .modal-footer .logo a {
  display: inline-block;
}
#u-search .modal .modal-footer .logo.google img {
  height: 24px;
  margin-top: 13px;
}
#u-search .modal .modal-footer .logo.baidu img {
  height: 22px;
  margin-top: 14px;
}
#u-search .modal .modal-footer .logo img {
  position: relative;
  display: inline-block;
  width: auto;
  height: 18px;
  margin-top: 16px;
}
#u-search .modal .modal-footer .modal-error {
  position: relative;
  float: left;
  vertical-align: middle;
  line-height: 50px;
  font-size: 13px;
  z-index: 1;
}
#u-search .modal .modal-footer .modal-metadata {
  position: relative;
  float: left;
  vertical-align: middle;
  line-height: 50px;
  font-size: 13px;
  z-index: 1;
}
#u-search .modal .modal-footer .nav {
  position: relative;
  display: block;
  float: right;
  vertical-align: middle;
  font-size: 13px;
  font-weight: 500;
  line-height: 50px;
  color: #828282;
  cursor: pointer;
  z-index: 1;
}
#u-search .modal .modal-footer .nav:hover {
  color: #414141;
}
#u-search .modal .modal-footer .nav.btn-next {
  margin-left: 10px;
}
#u-search .modal .modal-footer .nav .icon {
  font-size: 12px;
}
#u-search .modal .modal-body {
  position: absolute;
  padding: 64px 40px 80px 40px;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 680px) {
  #u-search .modal .modal-body {
    padding: 60px 20px 80px 20px;
  }
}
#u-search .modal .modal-body .modal-results {
  list-style: none;
}
#u-search .modal .modal-body .modal-results li {
  border-bottom: 1px solid #e6e8ea;
}
#u-search .modal .modal-body .modal-results li:last-child {
  border-bottom: none;
}
#u-search .modal .modal-body .modal-results .result {
  position: relative;
  display: block;
  padding: 15px 30px 15px 0px;
  text-decoration: none;
}
#u-search .modal .modal-body .modal-results .result:hover .digest,
#u-search .modal .modal-body .modal-results .result:hover .icon {
  color: #414141;
}
#u-search .modal .modal-body .modal-results .result .title {
  display: inline-block;
  max-width: 100%;
  color: #2196f3;
  font-size: 15px;
  font-weight: bold;
  background: #f1f8fe;
  padding: 1px;
  border-bottom: 1px solid #e6e8ea;
  margin-bottom: 2px;
  line-height: 110%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#u-search .modal .modal-body .modal-results .result .digest {
  display: block;
  font-size: 13px;
  line-height: 140%;
  color: #8e8e8e;
  transition: color 0.24s;
}
#u-search .modal .modal-body .modal-results .result .digest em {
  font-weight: bold;
}
#u-search .modal .modal-body .modal-results .result .icon {
  position: absolute;
  top: 50%;
  right: 0;
  margin-top: -4px;
  font-size: 11px;
  color: #828282;
}
#u-search .modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1;
}
#footer {
  position: relative;
  padding: 20px;
  width: 100%;
  color: #ffffff;
  margin: 0px auto;
  font-size: 14px;
  overflow: hidden;
  text-align: center;
  background: #414141;
}
#footer .codename {
  color: #4caf50;
}
#footer .social-wrapper {
  padding-top: 20px;
}
#footer a {
  color: rgba(255, 255, 255, 0.8);
}
#footer a:hover {
  background: rgba(33, 150, 243, 0.1);
  color: #128ff2;
}
#footer a.social {
  position: relative;
  display: inline-block;
  text-align: center;
  font-size: 16px;
  margin: 0px 5px;
}
#footer a.social:hover {
  background: transparent;
  color: #2196f3;
}
#footer a.social.github:hover {
  color: #467cc2;
}
#footer a.social.google:hover {
  color: #db4437;
}
#footer a.social.twitter:hover {
  color: #55acee;
}
#footer a.social.weibo:hover {
  color: #f8712a;
}
html, body {
  height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.l_body, .l_main {
  flex: 1 0 auto;
}

#footer {
  flex-shrink: 0;
  width: 100%;
  background: #414141;
  color: #ffffff;
  text-align: center;
  padding: 20px;
  font-size: 14px;
  box-sizing: border-box;
}
.l_side {
  position: fixed;
  right: 30px;
  top: 100px;
  width: 260px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.l_main {
  width: calc(100% - 320px);
  margin-right: 320px;
  padding: 40px 30px 40px 0;
}

@media (max-width: 820px) {
  .l_side {
    position: static;
    width: 100%;
    height: auto;
    margin: 20px 0;
  }
  .l_main {
    width: 100%;
    margin-right: 0;
    padding: 20px 15px;
  }
}

.toc-wrapper {
  position: relative;
  top: 0;
  right: 0;
  margin: 0 0 20px 0;
  max-height: none;
  width: 100%;
  z-index: 3;
  padding: 20px;
  border-left: 3px solid #4caf50;
  background: #ffffff;
  box-sizing: border-box;
  transition: all 0.24s ease-out;
  overflow: auto;
}

@media (max-width: 820px) {
  .l_side {
    position: static;
    width: 100%;
    height: auto;
    margin: 20px 0;
    box-shadow: none;
  }
  .toc-wrapper {
    width: 100%;
    margin: 0 0 20px 0;
    position: relative;
    right: 0;
    top: 0;
    max-height: none;
    transform: none !important;
  }
}
.card {
  background: #ffffff;
  border-radius: 4px;
  box-shadow: 0 2px 5px 0 rgba(0,0,0,0.16), 0 2px 10px 0 rgba(0,0,0,0.12);
  padding: 20px;
  margin-bottom: 20px;
}

.card .card-header {
  border-bottom: 1px solid rgba(65,65,65,0.1);
  padding-bottom: 15px;
  margin-bottom: 15px;
}

.card .card-title {
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0;
}

.card .card-content {
  color: #464646;
  line-height: 1.6;
}

.card .card-footer {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(65,65,65,0.1);
}
.post-list {
  width: 100%;
  max-width: 800px; /* 适当减小最大宽度使卡片更美观 */
  margin: 40px auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (max-width: 820px) {
  .mobile-menu-button {
    display: block;
  }
  .menu ul.h-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    background: #3367d6;
    z-index: 1000;
  }
  .menu ul.h-list.active {
    display: flex;
  }
  .menu ul.h-list li {
    margin: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .menu ul.h-list li a {
    display: block;
    padding: 15px 20px;
  }
}
.post-item.card {
  padding: 20px 18px 16px 18px;
}

@media (max-width: 680px) {
  .l_main {
    padding: 0 10px;
  }
  .post-item.card {
    padding: 20px 16px 16px 16px;
    margin-bottom: 16px;
  }
}

.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}



/* 头图区域 */
.hero {
  position: relative;
  width: 100%;
  min-height: 200px;
  background: #3367d6;
  color: #fff;
  padding: 60px 20px 40px;
  margin: 50px 0 30px;
  box-sizing: border-box;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 2.4em;
  margin-bottom: 15px;
}

.hero-subtitle {
  font-size: 1.2em;
  opacity: 0.9;
}

/* 文章列表 */
.post-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 30px 0;
}

.post-item.card {
  width: 100%;
  background: #fff;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  box-sizing: border-box;
}

.post-title {
  font-size: 1.5em;
  margin: 0 0 10px;
}

.post-excerpt {
  color: #666;
  line-height: 1.6;
}

/* 移动端适配 */
@media (max-width: 820px) {
  .l_body {
    padding: 0;
  }
  
  .l_main {
    padding: 0 12px;
  }
  
  .hero {
    min-height: 160px;
    padding: 40px 15px 30px;
    margin: 50px 0 20px;
  }
  
  .hero-title {
    font-size: 1.8em;
    margin-bottom: 10px;
  }
  
  .hero-subtitle {
    font-size: 1em;
  }
  
  .post-item.card {
    padding: 20px 15px;
  }
  
  .post-title {
    font-size: 1.3em;
  }
}

@media (max-width: 480px) {
  .l_main {
    padding: 0 8px;
  }
  
  .hero {
    min-height: 140px;
    padding: 30px 12px 25px;
  }
  
  .hero-title {
    font-size: 1.5em;
  }
  
  .post-item.card {
    padding: 15px 12px;
  }
}
 /* 基础布局 */
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}


/* 头图区域 */
.hero {
  position: relative;
  width: 100%;
  min-height: 200px;
  background: #3367d6;
  color: #fff;
  padding: 60px 20px 40px;
  margin: 50px 0 30px;
  box-sizing: border-box;
}
.post-item {
    display: flex;
    gap: 30px;  /* 增加间距 */
    align-items: flex-start;
    padding: 20px 0;
}

.post-thumbnail {
    flex: 0 0 260px;  /* 固定缩略图宽度 */
    height: 180px;
    min-width: 260px;  /* 防止被压缩 */
}

.post-content {
    flex: 1;
    min-width: 300px;  /* 保证文字区域最小宽度 */
}

@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
        gap: 15px;
    }
    .post-thumbnail {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}


/* 头图区域 */
.hero {
  position: relative;
  width: 100%;
  min-height: 200px;
  background: #3367d6;
  color: #fff;
  padding: 60px 20px 40px;
  margin: 50px 0 30px;
  box-sizing: border-box;
  /* 添加以下属性确保背景图片完整显示 */
  background-size: cover;     /* 背景图片覆盖整个区域 */
  background-position: center; /* 背景图片居中 */
  background-repeat: no-repeat; /* 防止背景图片重复 */
}

/* 如果你有特定的头图图片，可以这样设置 */
.hero {
  position: relative;
  width: 100%;
  min-height: 200px;
  background: #3367d6;
  color: #fff;
  padding: 60px 20px 40px;
  margin: 50px 0 30px;
  box-sizing: border-box;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 如果你希望保持图片的原始比例，可以使用 contain */
.hero {
  position: relative;
  width: 100%;
  min-height: 200px;
  background: #3367d6;
  color: #fff;
  padding: 60px 20px 40px;
  margin: 50px 0 30px;
  box-sizing: border-box;
  background-size: contain;    /* 保持图片完整显示 */
  background-position: center;
  background-repeat: no-repeat;
}


/* 如果你希望保持图片的原始比例，可以使用 contain */
/* 头图区域 - 修改后的版本 */
.hero {
  position: relative;
  width: 100%;
  /* 移除固定 min-height，让高度根据内容自适应 */
  background: transparent; /* 移除背景色 */
  color: #fff;
  padding: 30px 0; /* 减小上下内边距 */
  margin: 30px auto; /* 居中显示 */
  box-sizing: border-box;
  text-align: center; /* 让内容居中 */
}

/* 如果 hero 区域包含图片，可以这样设置 */
.hero img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto; /* 图片居中 */
  box-shadow: none;
}

/* 保持文字内容的样式 */
.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.6); /* 半透明背景突出文字 */
  border-radius: 8px;
  display: inline-block;
}

.hero-title {
  font-size: 2.4em;
  margin-bottom: 15px;
}

.hero-subtitle {
  font-size: 1.2em;
  opacity: 0.9;
}

/* 移动端适配 */

.post-item {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.post-thumbnail {
    flex: 0 0 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}



.post-item {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.post-thumbnail {
    flex: 0 0 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}

.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}



.post-item {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.post-thumbnail {
    flex: 0 0 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}
/* 头图区域 - 修改后的版本 */
/* 头图区域样式 */
.hero {
  position: relative;
  width: 100%;
  min-height: 300px; /* 增加最小高度以确保图片有足够空间 */
  background: #3367d6;
  color: #fff;
  padding: 0; /* 移除内边距 */
  margin: 50px 0 30px;
  box-sizing: border-box;
  /* 确保背景图片完整显示并居中 */
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 头图内容容器 */
.hero-content {
  max-width: 800px;
  text-align: center;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.5); /* 半透明背景突出文字 */
  border-radius: 8px;
}

.hero-title {
  font-size: 2.4em;
  margin-bottom: 15px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8); /* 文字阴影增强可读性 */
}

.hero-subtitle {
  font-size: 1.2em;
  opacity: 0.9;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* 移动端适配 */
@media (max-width: 820px) {
  .hero {
    min-height: 250px;
    margin: 50px 0 20px;
  }
  
  .hero-content {
    padding: 30px 15px;
  }
  
  .hero-title {
    font-size: 1.8em;
    margin-bottom: 10px;
  }
  
  .hero-subtitle {
    font-size: 1em;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 200px;
    margin: 50px 0 15px;
  }
  
  .hero-title {
    font-size: 1.5em;
  }
}
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}


.post-item {
    position: relative;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.post-thumbnail {
    flex: 0 0 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}

@media (max-width: 820px) {
  .l_side {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(5px);
    padding: 20px;
    margin: 20px 15px;
  }
}

.l_main {
  width: 100%;
  max-width: 900px;
  padding: 0 15px;
  margin: 0 auto;
  box-sizing: border-box;
}


@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}


.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}







@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}




@media (max-width: 820px) {
  .l_side {
    background: rgba(255,255,255,0
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(5px);
    padding: 20px;
    margin: 20px 15px;
  }
}

.l_main {
  width: 100%;
  max-width: 900px;
  padding: 0 15px;
  margin: 0 auto;
  box-sizing: border-box;
}


@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  */

.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
} 
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
} 
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  */

.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  */

.l_body {
  position: relative;
  padding: 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.l_side {
  background: transparent;
  box-shadow: none;
  padding: 0 15px;
  margin-right: 20px;
}




@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
    }
    .post-thumbnail {
        width: 100%;
        flex: none;
    }
}



@media (max-width: 680px) {
  .hero {
    min-height: 140px;
    padding: 18px 6px;
    margin-top: 0;
    margin-bottom: 18px;
  }
  .hero-title {
    font-size: 1.3em;
    margin-bottom: 12px;
  }
  .hero-subtitle {
    font-size: 0.95em;
    margin-bottom: 14px;
  }
}  
.post-item {
    display: flex;
    gap: 30px;  /* 增加间距 */
    align-items: flex-start;
    padding: 20px 0;
}

.post-thumbnail {
    flex: 0 0 260px;  /* 固定缩略图宽度 */
    height: 180px;
    min-width: 260px;  /* 防止被压缩 */
}

.post-content {
    flex: 1;
    min-width: 300px;  /* 保证文字区域最小宽度 */
}

@media (max-width: 768px) {
    .post-item {
        flex-direction: column;
        gap: 15px;
    }
    .post-thumbnail {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
    }
}