/* 在线链接服务仅供平台体验和调试使用，平台不承诺服务的稳定性，企业客户需下载字体包自行发布使用并做好备份。 */
@font-face {
  font-family: 'iconfont';  /* Project id 301548 */
  src: url('//at.alicdn.com/t/c/font_301548_h2qzgwjt5k.woff2?t=1751439876318') format('woff2'),
       url('//at.alicdn.com/t/c/font_301548_h2qzgwjt5k.woff?t=1751439876318') format('woff'),
       url('//at.alicdn.com/t/c/font_301548_h2qzgwjt5k.ttf?t=1751439876318') format('truetype');
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: #f7fbfd;
  padding-top: 60px;
  font-size: 14px;
  color: #222529;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
  line-height: 1.4;
  font-size: 16px;
}

.btn,
.btn:focus,
button, input,
button:focus {
  outline: none !important;
  box-shadow: none !important;
}

input::placeholder {color: #999;font-size: 13px;}

img {
  max-width: 100%
}

a {
  text-decoration: none !important;
  outline: none;
}

p {
  line-height: 1.8;
}


.iconfont {
  font-family: "iconfont" !important;
  color: #666;
  font-size: 18px;
  font-style: normal;
}

b,
strong {
  font-weight: 500;
}

hr {  
	display: block;
	width: 100%;
	height: 2px;
}

li {
  list-style-type: none;
}

.btn {
  font-size: 15px;
  padding: 0.7rem 1.4rem;
  transition: all 0.4s;
}

.btn:hover {
  outline: none;
  text-decoration: none;
  transform: translateY(-4px);
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: .875rem;
}

.btn-rounded {
  border-radius: 30px;
}

.f-12 {
  font-size: 12px;
}

.f-14 {
  font-size: 14px;
}

.f-15 {
  font-size: 15px;
}

.f-16 {
  font-size: 16px;
}

.f-18 {
  font-size: 18px;
}

.f-17 {
  font-size: 17px;
}

.f-20 {
  font-size: 20px;
}

.f-30 {
  font-size: 30px;
}

.header {
  height: 60px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 20px;
  background-color: #f7fbfd;
  justify-content: space-between;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #ff4e4e;
}

.header>.head_nav {
  display: flex;
  align-items: center;
}

.header>.head_nav>.search {  
    min-width: 400px;
    background-color: #fff;
    line-height: 40px;
    border-radius: 8px;
    border: 1px solid #e8eaec;
	position: relative;
}

.header>.head_nav>.search>#search_form>i {  
    position: absolute;
    left: 8px;
    color: #888;
    top: 0;
}

.header>.head_nav>.search .search_txt {  
    border: 0;
    height: 38px;
    width: 100%;
    text-indent: 36px;
	border-radius: 12px;
}

.header>.head_nav>.search>#search_form>button {  
    position: absolute;
    right: 6px;
    line-height: 28px;
    top: 6px;
    border: 0;
    padding: 0 10px;
    border-radius: 4px;
    background-color: #6a5fc7;
    color: #FFF;
	display: none
}

.header>.head_nav>.search.active {  
    min-width: 600px;
    border-color: #2254f4;
}

.header>.head_nav>.search.active>#search_form>i {
    left: 120px;
}

.header>.head_nav>.search.active .search_txt {    
    text-indent: 150px;
}

.header>.head_nav>.search.active>#search_form>button {    
    display: block
}

.header>.head_nav>.member {
  background: linear-gradient(90deg,#5d70e2 0%,#8437ff 100%);
  margin-left: 20px;
  line-height: 40px;
  padding: 0 15px;
  border-radius: 40px;
}
.header>.head_nav>.member:hover {
    box-shadow: 0 4px 11px rgba(55,125,255,.35);
    transform: translateY(-2px);
    transition: .2s;
}
.header>.head_nav>.member>a {
  color: #ffffff;
  padding: 0 6px;
}

.header>.head_nav>.member>a>span {padding: 0 6px;}

.container {border-top: 1px solid #EEE;padding-top: 20px;}

.sub_nav>ul {  
    display: flex;
	margin-bottom: 20px
}

.sub_nav>ul>li {  
    margin-right: 25px;
}

.sub_nav>ul>li>a {  
    color: #222529;
    font-weight: 500;
    text-shadow: 0 0 .25px currentColor;
	padding: 7px 0 9px;
	transition: color .3s cubic-bezier(.645,.045,.355,1);
	font-size: 16px;
	display: block;
	position: relative;
	line-height: 40px;
}

.sub_nav>ul>li>a.active:after {  
    content: '';
	position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #222529;
}

.item_desc {  
    display: flex;
    justify-content: space-between;
	margin: 25px 0 15px;
}

.item_desc>ul { 
    display: flex;
    align-items: center;
}

.item_desc>ul>li {  
    margin-left: 20px;
}

.item_desc>ul>li:first-child {  
    margin-left: 0;
}

.item_desc>ul>li>a {  
    color: #7f8792
}

.item_desc>ul>li>a.active {  
    color: #222529;
    
}

.grid {
	width: 100%;
	opacity: 0;
	transition: opacity 0.5s ease;
}

.grid.visible {
  opacity: 1;
}

.grid-sizer {
  width: 15.5%;
}

.grid-item {
  width: 15.5%;
  margin-bottom: 20px;
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
  /* box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
}

.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.item-img-container {
  position: relative;
  padding-top: 100%;
  background: #f0f0f0;
  overflow: hidden;
}

.item-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.item-img.loaded {
  opacity: 1;
}

.item-info {
  padding: 12px;
}

.item-title {
  color: #333;
  margin-bottom: 8px;
  line-height: 22px;
}

.item-author {
  font-size: 12px;
  color: #999;
  display: flex;
  align-items: center;
}

.loading-container {
  text-align: center;
  padding: 20px;
  display: none;
}

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: #ff4e4e;
  animation: spin 1s ease-in-out infinite;
}

.loading-text {
  margin-top: 8px;
  font-size: 14px;
  color: #999;
}

.error-text {
  color: #ff4e4e;
  text-align: center;
  padding: 20px;
  font-size: 14px;
  display: none;
}

.no-more-data {
  text-align: center;
  padding: 20px;
  color: #999;
  font-size: 14px;
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1440px) {

  .grid-sizer,
  .grid-item {
    width: 18%;
  }
}

@media (max-width: 1200px) {

  .grid-sizer,
  .grid-item {
    width: 23.5%;
  }
}

@media (max-width: 768px) {

  .grid-sizer,
  .grid-item {
    width: 48%;
  }
}

@media (max-width: 480px) {
  body {
    padding-top: 50px;
  }

  .header {
    height: 50px;
  }

  .grid-sizer,
  .grid-item {
    width: 100%;
  }
}

.body_full {
  padding: 20px 15px 20px 250px;
}

.left_menu {
  position: fixed;
  left: 0;
  top: 60px;
  width: 200px;
}

.left_menu>ul {
  padding: 0 8px 8px 16px;
}

.left_menu>ul>li>a {
  display: flex;
  flex: none;
  flex-direction: row;
  flex-grow: 0;
  align-items: flex-start;
  align-items: center;
  justify-content: center;
  justify-content: flex-start;
  order: 0;
  margin-top: 4px;
  width: 100%;
  height: 40px;
  padding: 0 8px;
  color: #222529;
  border-radius: 8px;
  cursor: pointer;
  transition: all .3s;
  font-size: 14px;
}

.left_menu>ul>li>a:hover,
.left_menu>ul>li>a.active {
  background: rgb(0 0 0 / 4%);
}

.left_menu>ul>li>a>i {
  padding: 0 8px;
  color: #222529;
}

.contents-filter-tags>dl {
  display: flex;
  flex: 1;
  margin-bottom: 10px;
}

.contents-filter-tags>dl>dt {
  flex: none;
  color: #7f8792;
  white-space: nowrap;
  line-height: 32px;
  min-width: 2em;
  margin-right: 40px;
  margin-top: 10px;
}

.contents-filter-tags>dl>dd {
  display: flex;
  white-space: nowrap;
  flex-wrap: wrap;
}

.contents-filter-tags>dl>dd>a {
  line-height: 32px;
  color: #222529;
  display: block;
  margin-right: 10px;
  padding: 0 8px;
  border-radius: 4px;
  transition: all .3s cubic-bezier(.645, .045, .355, 1);
  margin-top: 10px;
}

.contents-filter-tags>dl>dd>a.active {
  background-color: rgb(0 0 0 / 8%);
}

.contents-filter-tags>dl>dd>a:hover {
  background-color: rgb(0 0 0 / 12%);
}
/* 下拉菜单容器 */
.dropdown {
    position: absolute;
    display: inline-block;
	width: 100px;
    left: 10px;
	display: none
}

.dropdown:after {  
    content: '|';
	position: absolute;
    right: 0;
    color: #cacaca;
}

.dropdown>i {  
    position: absolute;
    top: 0;
    right: 15px;
    transform: rotate(90deg);
    font-size: 14px;
    color: #909294;
}

.active>.dropdown {  
    display: block;
}

/* 下拉按钮样式 */
.dropdown-toggle {
	color: #222529;
    border: none;
    cursor: pointer;
    line-height: 40px;
    font-size: 15px;
    transition: background-color 0.3s;
    background: none;
	width: 100%;
    text-align: left;
}

.arrow {
    float: right;
}

/* 下拉菜单内容 */
.dropdown-menu {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    width: 100%;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.1);
    z-index: 1;
    list-style: none;
    border-radius: 8px;
    overflow: hidden;
	padding: 4px;
	left: -4px;
    top: 42px;
}

.dropdown-menu li {
    border-radius: 8px;
}

.dropdown-menu li:hover {
    background-color: #EEE;
}

.dropdown-menu li a {
    color: #333;
    padding: 0 14px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
}

/* 显示下拉菜单 */
.dropdown-menu.show {
    display: block;
}