#pulistset_title{
   margin-bottom: 15px;
   box-shadow: 0 1px 6px #ccc;
   background-color: #0884ff!important;
}

#pulistset_title a{
    color: #fff;
}

#pulistset_title .head_box_text_w{
    border-bottom: none;
    color: #fff;
}

/* 题集页面统一CSS样式  */
.wrap{
    background-color: rgba(248,250,252)!important;
}

div.page-header::before{

    display: none;
}

/* 位置导航 */
.position_nav {
    margin-bottom: 15px;
}
/* 侧边栏卡片 */
.sidebar-card {
    background: #ffffff;
    box-shadow: 0 1px 6px #ccc;
    overflow: hidden;
    margin-bottom: 20px;
    color: #333333;
}

.sidebar-header {
    font-size: 18px;
    font-weight: bold;
    display: inline-block;
}

.sidebar-header h2 {
    padding: 15px 0;
    margin:0 20px;
    box-sizing: border-box;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 4px solid #4071FD;
}

/* 侧边栏导航 */
.sidebar-nav {
    padding: 0;
    margin: 0;
    list-style: none;
}

.sidebar-nav li {
    border-bottom: 1px solid #eee;
}

.sidebar-nav li:last-child {
    border-bottom: none;
}

.sidebar-nav a {
    line-height: 30px;
    display: block;
    padding: 10px 15px 10px 40px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    background: none;
    font-size: 16px;
}

.sidebar-nav a:hover,
.sidebar-nav a:focus {
    background-color: #E5ECF9;
    color: #428bca;
    text-decoration: none;
}

.sidebar-nav a.active {
    background-color: rgba(51, 122, 183, 0.1);
    color: #428bca;
    border-left: 4px solid #4071FD;
    padding-left: 20px;
}

/* 侧边栏图标样式 */
.sidebar-nav a .glyphicon {
    margin-right: 8px;
    width: 20px;
    text-align: center;
}

/* Badge 徽章样式 */
.sidebar-nav a .badge {
    background-color: #d9534f;
    margin-top: 2px;
    float: right;
}

/* 简介卡片 */
.intro-card {
    display: inline-block;
    font-size: 16px;
}

.intro-card h2 {
    padding: 0;
    padding-top: 15px;
    margin:0 20px;
    
    box-sizing: border-box;
    font-size: 18px;
    font-weight: bold;
}

.intro-card h2 i {
    font-size: 20px;
}

.intro-card-content {
    /*display: flex;*/
    flex-direction: column;
    margin: 20px;
    font-size: 16px;
    margin-bottom: 0;
}

.intro-card-content a{
    text-decoration: none;
}

.ueditor_container img{
    margin-right: 10px;
}

.intro-card p {
    color: #333333;
    line-height: 1.4;
    margin-bottom: 10px;
}

.intro-card p:nth-last-child(1) {
    margin-bottom: 0;
}

.intro-card .highlight-box {
    background-color: rgba(51, 122, 183, 0.1);
    padding: 20px;
    border: 1px solid rgba(51, 122, 183, 0.2);
}

.intro-card .highlight-box p {
    color: #333;
    font-weight: 500;
}

.intro-card .highlight-box a {
    color: #428bca;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.intro-card .highlight-box a:hover {}

/* 题集目录 */
.div_padding_sm h2 {
    padding-top: 10px;
    margin-right:; 20px;
    margin-left: 13px;
    box-sizing: border-box;
    font-size: 18px;
    font-weight: bold;
    padding-top: 0;
}

.div_padding_sm a{
    text-decoration: none;
}

.div_padding_sm h2 i {
    color: #428bca;
}

.div_padding_sm tbody tr td span{
    color: #fff!important;
}

/* 题集分类头部 */
.category-header {
    display: flex;
    align-items: center;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #4071FD;
    transition: all 0.3s ease;
    padding: 10px 0;
    padding-left: 14px;
    font-size: 18px;
    margin: 4px 0;
}

.category-header a {
    width: 100%;
    height: 100%;
    display: contents;
    text-decoration: none;
}

.category-header:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.category-header h3 {
    font-size: 18px;
    color: #333;
    font-weight: 400;
    margin: 0;
    margin-right: 5px;
}

.category-header .problem-count {
    background-color: #e7f2fd;
    color: #428bca;
    padding: 0 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* 题目表格 */
.problems-table {
    width: 100%;
    background-color: #ffffff;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-collapse: collapse;
    margin-bottom: 20px;
}

.problems-table thead {
    background-color: #f8f9fa;
}

.problems-table th {
    padding: 8px;
    text-align: left;
    font-weight: 600;
    color: #333333;
    border-bottom: 1px solid #eee
    background-color: #f8f9fa;
}

.problems-table tbody tr:hover {
    background-color: #E5ECF9;
}

.problems-table td {
    padding: 10px 5px;
    vertical-align: middle;
    font-size: 16px;
}

.problems-table tr td:nth-of-type(1){
    padding: 10px 5px 10px 20px!important;
}
.problems-table tr td:nth-of-type(4) a,
.problems-table tr td:nth-of-type(1) span{
    margin: 1px!important;
    padding: 3px 6px!important;
}

.problems-table tr td:nth-of-type(4) a{
    width: 56px;
}

.problems-table tr td:nth-of-type(1) span{
    width: 25px;
}

.btn-info{
     background-color:#3d8bfd!important;
    border-color: #3d8bfd!important;
}

.btn-info:hover{
    background-color:  #3a7deb!important;
    border-color: #316ac8!important;
}

/*.problems-table tr:nth-of-type(2) td:nth-of-type(4) a{
    background-color:#3d8bfd!important;
    border-color: #3d8bfd!important;
}

/* 题目编号 */
.problem-number {
    color: #333333;
    font-weight: 500;
}

/* 题目标题 */
.problem-title a {
    color: #333333;
    text-decoration: none;
    font-weight: 500;
    display: block;
}

.problem-title a:hover{
    color: #428bca;
}

/* 题目统计 */
.problem-stats {
    font-size: 14px;
    font-weight: 500;
}

/* Y/N状态样式 */
.is_successful {
    width: 50px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
}

.status-y {
    color: #28a745;
}

.status-n {
    color: #dc3545;
}

.status-none {
    color: #6c757d;
}
/* 位置导航 */
.position_nav {
    margin: 0 15px;
    margin-bottom: 15px;
}