@import '../../../../../at.alicdn.com/t/font_2011969_evor59ne36t.css';
/*****************
 * 顶部
 *****************/
#header {
  position: relative;
  z-index: 10;
}
.header {
  height: 4rem;
  background: #61abaa;
}
.header .logo {
  float: left;
  margin: 0.5rem 1rem 0.5rem 0;
}
.header .logo img {
  display: block;
  height: 3rem;
}
.member {
  float: right;
  position: relative;
  z-index: 2;
  height: 3rem;
  margin: 0.5rem 0 0.5rem 0;
}
.member .sign {
  line-height: 3rem;
}
.member .sign a {
  padding: 0 0.5rem;
  color: #ffffff;
}
.member .avatar {
  display: block;
  height: 3rem;
  padding: 0.3rem 0.8rem 0.3rem 0.3rem;
  position: relative;
}
.member .avatar:before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  margin: -0.2rem 0 0 0;
  width: 0;
  height: 0;
  border: 0.4rem solid transparent;
  border-top-color: #ffffff;
}
.member .avatar .name {
  float: left;
  line-height: 2.4rem;
  color: #ffffff;
  padding: 0 0.5rem;
  white-space: nowrap;
}
.member .avatar .img {
  float: left;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 2px solid #ffffff;
  background: #eeeeee;
}
.member .user {
  position: relative;
}
.member .user .drop {
  position: absolute;
  left: 0;
  right: 0;
  top: 3rem;
  padding: 0.5rem 0 0;
  display: none;
}
.member .user .drop dl {
  position: relative;
  padding: 0.5rem 0;
  background: #ffffff;
  box-shadow: 0 0.5rem 0.5rem rgba(0, 0, 0, 0.02);
}
.member .user .drop dt {
  border-bottom: 1px solid #f5f5f5;
}
.member .user .drop dd {
  position: relative;
  text-align: center;
}
.member .user .drop dd a {
  display: block;
  line-height: 2.4rem;
  padding: 0 1rem;
}
.member .user .drop dd a:hover {
  background: #f9f9f9f9;
}
.member .user:hover .drop {
  display: block;
}
.nav {
  position: relative;
  float: left;
  height: 4rem;
}
.nav .list {
  float: left;
}
.nav .item {
  float: left;
  position: relative;
}
.nav .item > a {
  display: block;
  padding: 0 1rem;
  line-height: 4rem;
  font-size: 1.1rem;
  color: #ffffff;
  opacity: 0.7;
}
.nav .item.active > a {
  opacity: 1;
}
.nav .drop {
  position: absolute;
  left: 0;
  right: -1rem;
  top: 4rem;
  display: none;
}
.nav .list2 {
  background: #61abaa;
  padding: 0.5rem 0;
}
.nav .item2 {
  position: relative;
}
.nav .item2 > a {
  display: block;
  line-height: 0.5rem;
  padding: 0 0.5rem;
  white-space: nowrap;
  color: #ffffff;
}
.search-form {
  float: right;
  margin: 12px 20px 12px 0;
}
.search-form .control {
  position: relative;
}
.search-form .control .type {
  display: none;
}
.search-form .control .txt {
  position: relative;
  width: 200px;
  transition: all 0.3s ease;
}
.search-form .control .txt:focus-within {
  width: 240px;
}
.search-form .control .txt input {
  width: 100%;
  padding: 0 40px 0 10px;
  height: 32px;
  line-height: 32px;
  border: 0;
  background: #ffffff;
  border-radius: 2px;
}
.search-form .control .submit {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  padding: 0;
  width: 40px;
}
.search-form .control .submit button {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: none;
  cursor: pointer;
}
.search-form .control .submit button:hover i {
  color: #00a67c;
}
.search-form .control .submit button i {
  color: #333333;
}
/*****************
 * 底部
 *****************/
#footer {
  position: relative;
  padding: 1rem 0;
  background: #545255;
  color: #cccccc;
  text-align: center;
}
.subnav {
  text-align: center;
  margin: 0 0 1rem;
}
.subnav dd {
  display: inline-block;
  vertical-align: middle;
  line-height: 2;
  margin: 0 1rem;
}
.subnav dd a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.footer {
  position: relative;
}
.copyright {
  position: relative;
}
.copyright p {
  line-height: 1.8;
}
.copyright a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.foxbar {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
}
.foxbar .inner {
  position: relative;
}
.foxbar .list {
  position: relative;
}
.foxbar .item {
  width: 40px;
  height: 40px;
  padding: 10px;
  margin: 0 0 0.5rem;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 0.2rem;
}
.foxbar .item.itop {
  display: none;
}
.foxbar .icon {
  display: block;
  width: 20px;
  height: 20px;
  background: url(../image/icon_x20.png) 0 0 no-repeat;
}
.foxbar .icon-itop {
  background-position: 0 -20px;
}
.foxbar .icon-wx {
  background-position: 0 -40px;
}
.foxbar .item:hover {
  background: rgba(0, 0, 0, 0.6);
}
/*****************
 * 侧栏
 *****************/
.sidebar {
  float: right;
  width: 20rem;
  margin: 0 0 0 -21rem;
}
.sidebar-box {
  position: relative;
  background: #ffffff;
  margin: 0 0 1rem;
}
.sidebar-head {
  line-height: 3rem;
  white-space: nowrap;
  margin: 0 1rem;
  border-bottom: 1px solid #61abaa;
}
.sidebar-head h2 {
  font-size: 1.1rem;
}
.sidebar-news {
  position: relative;
  padding: 1rem;
}
.sidebar-news ol {
  position: relative;
}
.sidebar-news li {
  line-height: 1.8;
}
.sidebar-news a {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.sidebar-img {
  position: relative;
}
.sidebar-img img {
  display: block;
  width: 100%;
}
.sidebar-menu {
  position: relative;
  padding: 1rem;
}
.sidebar-menu dl {
  position: relative;
}
.sidebar-menu dd {
  position: relative;
  margin: 0 0 0.2rem;
}
.sidebar-menu dd a {
  display: block;
  line-height: 3rem;
  padding: 0 1rem;
  color: #61abaa;
}
.sidebar-menu dd span {
  position: absolute;
  right: 1rem;
  top: 50%;
  margin: -0.7rem 0 0 0;
  padding: 0 0.4rem;
  width: auto;
  line-height: 1.4rem;
  border-radius: 1.4rem;
  background: #659be0;
  color: #ffffff;
  text-align: center;
}
.sidebar-menu dd a:hover {
  background: #eeeeee;
}
.sidebar-menu dd.active a {
  background: #f1f4f7;
  color: #333333;
}
/*****************
 * 主体
 *****************/
.container {
  float: left;
  width: 100%;
}
.content {
  position: relative;
  margin: 0 21rem 0 0;
  background: #ffffff;
  overflow: hidden;
}
.location {
  position: relative;
  padding: 1rem 0;
  overflow: hidden;
}
.location dl {
  line-height: 2rem;
  margin: 0 0 0 -1rem;
  white-space: nowrap;
}
.location dd {
  display: inline-block;
  vertical-align: middle;
}
.location dd::before {
  content: '/';
  color: #dddddd;
}
.location dd a,
.location dd span {
  color: #61abaa;
  padding: 0 0.3rem 0 0.6rem;
}
.location dd span {
  color: #999999;
  margin: 0 0 0 -0.3rem;
}
.location dd a:hover {
  text-decoration: underline;
}
.pager {
  position: relative;
  border-top: 1px solid #eeeeee;
}
.pager .pagination {
  position: relative;
  text-align: center;
  padding: 2rem 0;
  white-space: nowrap;
}
.pager .pagination li {
  display: inline-block;
  margin: 0 0.3rem;
}
.pager .pagination li a {
  display: block;
  line-height: 2.4rem;
  padding: 0 1rem;
  background: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 0.3rem;
}
.pager .pagination li a:hover {
  border-color: #61abaa;
}
.pager .pagination li.active a {
  background-color: #61abaa;
  border-color: #61abaa;
  color: #ffffff;
}
.page {
  position: relative;
  padding: 1rem;
  background: #ffffff;
}
.ui-article {
  position: relative;
  text-align: justify;
}
.ui-article img {
  max-width: 100%;
}
/*****************
 * 首页
 *****************/
.banner {
  position: relative;
  margin: 0 0 1rem;
}
.banner .swiper {
  position: relative;
}
.banner .swiper img {
  display: block;
  width: 100%;
}
.banner .dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1rem;
  z-index: 2;
  text-align: center;
}
.banner .dots dd {
  width: 1rem;
  height: 1rem;
  margin: 0 0.5rem;
  background: #ffffff;
}
/*****************
 * 列表
 *****************/
.lister {
  position: relative;
  padding: 1rem;
}
.lister .null {
  position: relative;
  padding: 0.5rem;
}
.lister .null p {
  line-height: 3rem;
  color: #999999;
}
.lister .list {
  position: relative;
  margin: -0.5rem;
}
.lister .list .item {
  float: left;
}
.lister .list .cell {
  position: relative;
  margin: 0.5rem;
}
.lister .list .img {
  position: relative;
  display: block;
  padding: 0 0 135%;
  overflow: hidden;
  background: #eeeeee;
}
.lister .list .img img {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transition: all 0.3s ease;
}
.lister .list .tags {
  height: 1.5rem;
  line-height: 1.3rem;
  white-space: nowrap;
  overflow: hidden;
}
.lister .list .tags dd {
  display: inline-block;
  vertical-align: middle;
  margin: 0 0.3rem 0 0;
}
.lister .list .tags span {
  display: block;
  font-size: small;
  color: #999999;
}
.lister .list .exp {
  position: relative;
  padding: 0.5rem;
}
.lister .list .exp h3 {
  height: 2rem;
  line-height: 2rem;
  font-weight: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #00a67c;
}
.lister .list .exp p {
  height: 3rem;
  line-height: 1.5rem;
  font-size: smaller;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #999999;
}
.lister .list .item:hover img {
  transform: scale(1.05);
}
.lister .list2 {
  position: relative;
}
.lister .list2 .item {
  position: relative;
  margin: 0 0 1rem;
}
.lister .list2 .cell {
  position: relative;
  overflow: hidden;
}
.lister .list2 .img {
  float: left;
  width: 10rem;
  height: 7.5rem;
  position: relative;
  display: block;
  overflow: hidden;
  background: #eeeeee;
}
.lister .list2 .img img {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  transition: all 0.3s ease;
}
.lister .list2 .exp {
  position: relative;
  margin: 0 0 0 11rem;
}
.lister .list2 .exp h3 {
  height: 3rem;
  line-height: 3rem;
  margin: 0 0 0.5rem;
  font-size: larger;
  font-weight: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #00a67c;
}
.lister .list2 .exp p {
  height: 3rem;
  line-height: 1.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #999999;
}
.lister .list2 .item:hover img {
  transform: scale(1.05);
}
/*****************
 * 文章详情
 *****************/
.portlet-introduce {
  position: relative;
  padding: 1rem;
}
.portlet-title {
  position: relative;
  padding: 0 0 1rem;
  border-bottom: 1px solid #eeeeee;
}
.portlet-title h1 {
  line-height: 1.6;
  font-size: large;
  font-weight: normal;
}
.portlet-post {
  position: relative;
  padding: 0.5rem 0;
}
.portlet-post dd {
  display: inline-block;
  vertical-align: middle;
  margin: 0 1rem 0 0;
  color: #999999;
}
.portlet-post dd i {
  font-style: normal;
}
.portlet-body {
  position: relative;
  padding: 1rem 0;
}
.portlet-tags {
  position: relative;
  padding: 1rem 0 0;
}
.portlet-tags dd {
  display: inline-block;
  vertical-align: middle;
}
.portlet-tags a {
  display: block;
  padding: 0 0.8rem;
  line-height: 2.2rem;
  background: #eeeeee;
  color: #999999;
  border-radius: 0.3rem;
}
.portlet-tags a:hover {
  background: #659be0;
  color: #ffffff;
}
.portlet-single {
  padding: 1rem 0;
  border-top: 1px solid #eeeeee;
}
.portlet-single dd {
  position: relative;
  line-height: 2rem;
}
.portlet-single strong {
  font-weight: normal;
}
/*****************
 * 书籍详情
 *****************/
.book-introduce {
  position: relative;
  padding: 1rem;
}
.book-profile {
  position: relative;
  overflow: hidden;
  padding: 0 0 1rem;
}
.book-profile .thumb {
  float: left;
}
.book-profile .thumb img {
  display: block;
  width: 15rem;
  height: 20rem;
}
.book-profile .exp {
  margin: 0 0 0 15rem;
  padding: 0 0 0 2rem;
}
.book-profile .exp h1 {
  line-height: 1.4;
  font-size: 1.3rem;
  font-weight: normal;
  color: #333333;
}
.book-profile .property {
  position: relative;
  padding: 1rem 0;
}
.book-profile .property dd {
  line-height: 2;
  white-space: nowrap;
}
.book-profile .url {
  position: relative;
  margin: 0 0 4px;
}
.book-profile .url dd {
  display: inline-block;
  vertical-align: middle;
}
.book-profile .url a {
  display: block;
  line-height: 34px;
  padding: 0 15px;
  background: #fd9271;
  color: #ffffff;
}
.book-profile .url dd:first-child a {
  background-color: #d9534f;
}
.book-profile .url a:hover {
  box-shadow: 0 0 100rem rgba(0, 0, 0, 0.1) inset;
}
.book-profile .tags {
  position: relative;
  display: none;
}
.book-profile .tags dd {
  display: inline-block;
  vertical-align: middle;
}
.book-profile .tags a {
  display: block;
  line-height: 34px;
  padding: 0 15px;
  background: #dddddd;
  color: #888888;
}
.book-post {
  position: relative;
  border-bottom: 1px solid #dddddd;
}
.book-post .post {
  line-height: 3rem;
}
.book-post .post dd {
  display: inline-block;
  vertical-align: middle;
  margin: 0 2rem 0 0;
}
.book-post .post i {
  color: #999999;
  font-style: normal;
}
.book-post .post span {
  color: #999999;
}
.book-body {
  position: relative;
  padding: 1rem 0;
}
.book-summary {
  position: relative;
  padding: 1rem;
  background: #f5f5f5;
  border: 1px solid #dddddd;
  box-shadow: 0 0.1rem 0.1rem rgba(0, 0, 0, 0.1) inset;
  border-radius: 0.5rem;
  margin: 0 0 1rem;
}
.book-summary div {
  line-height: 1.5;
}
.book-single {
  padding: 1rem 0;
  border-top: 1px solid #eeeeee;
}
.book-single dd {
  position: relative;
  line-height: 2rem;
}
.book-single strong {
  font-weight: normal;
}
.book-resource {
  border-top: 1rem solid #f1f4f7;
}
.book-resource .head {
  position: relative;
  border-bottom: 1px solid #eeeeee;
}
.book-resource .head h2 {
  line-height: 50px;
  font-size: 1.2rem;
  color: #333;
  font-weight: normal;
  padding: 0 0 0 1rem;
}
.book-resource .main {
  position: relative;
  padding: 1rem;
}
.book-alert {
  position: relative;
  padding: 1rem;
  background: #f2dede;
  border: 1px solid #ebccd1;
  color: #a94442;
  border-radius: 0.3rem;
  margin: 0 0 1rem;
}
.book-alert p {
  line-height: 1.5;
}
.book-alert-danger {
  background: #f2dede;
  border: 1px solid #ebccd1;
  color: #a94442;
}
.book-alert-blue {
  background: #d9edf7;
  border: 1px solid #bce8f1;
  color: #31708f;
}
.book-download {
  position: relative;
  padding: 1rem 8rem 1rem 1rem;
  background: #ffffff;
  border-radius: 0.3rem;
  border: 1px dashed #e5e5e5;
}
.book-download h3 {
  line-height: 1.5;
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: #333333;
}
.book-download .less {
  position: relative;
}
.book-download .less dd {
  line-height: 2;
}
.book-download .less label {
  color: #999999;
}
.book-download .url {
  position: absolute;
  right: 1rem;
  top: 1rem;
}
.book-download .url a {
  display: block;
  line-height: 30px;
  padding: 0 15px;
  background: #15c288;
  color: #ffffff;
}
.book-download .url a:hover {
  box-shadow: 0 0 100rem rgba(0, 0, 0, 0.1) inset;
}
/*****************
 * 评论
 *****************/
.comments {
  padding: 1rem;
  border-top: 1rem solid #f1f4f7;
}
/*****************
 * 注册+登录
 *****************/
.register-control {
  position: relative;
  padding: 3rem 0 10rem;
}
.register-wrap {
  position: relative;
}
.register-head {
  display: none;
}
.form-horizontal {
  position: relative;
  max-width: 40rem;
  margin: 0 auto;
}
.form-body {
  position: relative;
}
.form-group {
  padding: 0 0 1rem;
}
.form-group .label {
  display: block;
  line-height: 3rem;
}
.form-group .label span {
  color: #ff0000;
}
.form-group .control {
  position: relative;
}
.form-group .control > label {
  position: relative;
}
.form-group .input-text {
  position: relative;
  width: 100%;
  padding: 0 1rem;
  background: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 0.3rem;
}
.form-group .input-text:focus {
  border-color: #15c288;
}
.form-group .input-large {
  height: 3rem;
}
.form-group .input-rcode {
  position: relative;
}
.form-group .input-rcode-btn {
  position: absolute;
  right: 1px;
  top: 1px;
  bottom: 1px;
  padding: 0.5rem;
  background: #ffffff;
  border-left: 1px solid #dddddd;
}
.form-group .input-rcode-btn img {
  display: block;
  width: 6rem;
  height: 100%;
}
.form-group .input-verifi-btn {
  position: absolute;
  right: 1px;
  top: 1px;
  bottom: 1px;
  padding: 0;
  background: #ffffff;
  border-left: 1px solid #dddddd;
}
.form-group .input-verifi-btn button {
  width: 100%;
  height: 100%;
  background: none;
  border: 0;
  color: #999999;
  padding: 0 1rem;
}
.form-actions {
  position: relative;
  padding: 1rem 0 0 0;
}
.form-actions .control {
  position: relative;
}
.form-actions .control > label {
  display: inline-block;
  vertical-align: middle;
  height: 3rem;
  line-height: 3rem;
  margin: 0 1rem 0 0;
}
.form-actions .submit {
  height: 2.8rem;
  padding: 0 2rem;
  background: #15c288;
  border: 0;
  border-radius: 0.3rem;
  color: #ffffff;
  cursor: pointer;
}
.form-actions .submit:hover,
.form-actions .submit:active {
  box-shadow: 0 0 100rem rgba(0, 0, 0, 0.1) inset;
}
.form-actions .input-checkbox {
  position: relative;
}
.form-actions .input-checkbox input {
  -webkit-appearance: checkbox !important;
  width: 1.2rem;
  height: 1.2rem;
  vertical-align: middle;
}
.login-options {
  position: relative;
}
.login-oauth {
  padding: 0.5rem 0;
  display: none;
}
.login-oauth dd {
  display: inline-block;
  vertical-align: middle;
}
.login-oauth a {
  display: block;
}
.login-oauth img {
  display: block;
  width: 26px;
  height: 26px;
}
.login-account {
  position: relative;
}
.login-account dd {
  display: inline-block;
  vertical-align: middle;
}
/*****************
 * 搜索
 *****************/
.search-filter {
  position: relative;
  background: #ffffff;
  padding: 1rem;
  margin: 0 0 1rem;
  display: none;
}
.search-data {
  position: relative;
  background: #ffffff;
  padding: 1rem;
}
.search-sort {
  display: none;
}
.search-list {
  position: relative;
}
.search-list .list {
  margin: -1rem;
  padding: 0 0 1rem;
}
.search-list .item {
  position: relative;
}
.search-list .cell {
  position: relative;
  overflow: hidden;
  margin: 1rem;
}
.search-list .img {
  float: left;
  width: 10rem;
}
.search-list .img a {
  display: block;
  position: relative;
}
.search-list .img img {
  display: block;
  width: 100%;
}
.search-list .exp {
  margin: 0 0 0 10rem;
  padding: 1rem;
}
.search-list .title {
  line-height: 2;
  font-size: 1.2rem;
  font-weight: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-list .title a {
  color: #333333;
}
.search-list .desc {
  overflow: hidden;
  max-height: 4.5rem;
  line-height: 1.5rem;
  color: #999999;
}
.search-list .post {
  padding: 1rem 0 0 0;
  overflow: hidden;
  position: relative;
}
.search-list .tags {
  float: left;
}
.search-list .tags dd {
  display: inline-block;
  vertical-align: middle;
}
.search-list .tags dd a {
  display: block;
  line-height: 2rem;
  padding: 0 0.8rem;
  background: #eeeeee;
}
.search-list .meta {
  float: right;
}
.search-list .meta dd {
  display: inline-block;
  vertical-align: middle;
  margin: 0 0 0 1rem;
}
.search-list .meta dd a {
  display: block;
  line-height: 2rem;
  color: #999999;
}
/*****************
 * 响应
 *****************/
.item-lg-5 {
  width: 20%;
}
.item-lg-4 {
  width: 25%;
}
.item-lg-3 {
  width: 33.33%;
}
.item-lg-2 {
  width: 50%;
}
@media (max-width: 1280px) {
  .wrap {
    width: 100%;
    padding: 0 1rem;
  }
  .item-md-5 {
    width: 20%;
  }
  .item-md-4 {
    width: 25%;
  }
  .item-md-3 {
    width: 33.33%;
  }
  .item-md-2 {
    width: 50%;
  }
}
@media (max-width: 992px) {
  .item-ms-5 {
    width: 20%;
  }
  .item-ms-4 {
    width: 25%;
  }
  .item-ms-3 {
    width: 33.33%;
  }
  .item-ms-2 {
    width: 50%;
  }
}
@media (max-width: 768px) {
  .container {
    float: none;
  }
  .wrapper {
    padding: 0;
  }
  .wrap {
    padding: 0;
  }
  .content {
    margin: 0;
  }
  .sidebar,
  .node {
    display: none;
  }
  .header .logo {
    display: none;
  }
  .member .avatar .img {
    display: none;
  }
  .banner {
    margin: 0;
  }
  .member {
    right: 1rem;
    position: absolute;
    top: 0;
  }
  .member .avatar {
    padding: 0.3rem;
  }
  .member .avatar:before {
    display: none;
  }
  .member .avatar .name {
    padding: 0;
  }
  .search-form {
    float: none;
    margin: 0;
    padding: 12px 100px;
  }
  .search-form .control .txt {
    width: 100%;
  }
  .search-form .control .txt:focus-within {
    width: 100%;
  }
  .nav {
    position: absolute;
    left: 0;
    top: 0;
    float: none;
  }
  .nav .pointer {
    position: absolute;
    left: 0.5rem;
    top: 0.5rem;
    width: 3rem;
    height: 3rem;
  }
  .nav .pointer i {
    display: block;
    position: relative;
    top: 50%;
    left: 50%;
    margin: -1px 0 0 -0.8rem;
    width: 1.6rem;
    height: 2px;
    background: #ffffff;
  }
  .nav .pointer i:before,
  .nav .pointer i:after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    position: relative;
    background: #ffffff;
  }
  .nav .pointer i:before {
    top: -8px;
  }
  .nav .pointer i:after {
    bottom: -6px;
  }
  .nav .list {
    position: absolute;
    left: 0;
    top: 4rem;
    z-index: 2;
    width: 8rem;
    background: #fff;
    box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    display: none;
  }
  .nav .item {
    float: none;
    position: relative;
  }
  .nav .item a {
    line-height: 2.4rem;
    color: #333333;
  }
  .nav .item a:active {
    box-shadow: 0 0 100rem rgba(0, 0, 0, 0.1) inset;
  }
  .book-profile .thumb {
    float: none;
    margin: 0 0 1rem;
  }
  .book-profile .thumb img {
    width: 100%;
    height: auto;
  }
  .book-profile .exp {
    margin: 0;
    padding: 0;
  }
  .book-post {
    display: none;
  }
  .book-download {
    padding: 1rem;
  }
  .book-download .less label {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .book-download .url {
    position: relative;
    right: auto;
    top: auto;
    padding: 1rem 0 0;
  }
  .book-download .url a {
    display: inline-block;
  }
  .pager .pagination li {
    margin: 0;
  }
  .pager .pagination li a {
    display: none;
  }
  .pager .pagination li a[rel='prev'],
  .pager .pagination li a[rel='next'] {
    display: block;
    padding: 0 3rem;
    color: #999999;
  }
  .pager .pagination li.active a {
    display: block;
    margin: 0 1rem;
    background-color: #ffffff;
    color: #61abaa;
  }
  .register-control {
    padding: 1rem 0 5rem;
  }
  .search-list .meta {
    display: none;
  }
  .search-list .img {
    width: 6rem;
  }
  .search-list .exp {
    margin: 0 0 0 6rem;
    padding: 0 0 0 1rem;
  }
  .search-list .post {
    padding: 0.5rem 0 0 0;
  }
  .search-list .desc {
    height: 3rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
}
@media (max-width: 544px) {
  .item-xs-5 {
    width: 20%;
  }
  .item-xs-4 {
    width: 25%;
  }
  .item-xs-3 {
    width: 33.33%;
  }
  .item-xs-2 {
    width: 50%;
  }
}