body{background-color:#f5f5f5!important}
/*列表*/
.lazy-error {
    background: #f5f5f5 url(https://f.dangkexuexi.com/assets/special/images/lazy-error.png) no-repeat center center;
}
.left-wrap{
	position: relative;
    float: left;
    width: 975px;
    min-height: 772px;
    background: #fff;
    padding: 0 20px 20px; /* 左右和底部留白 */
    box-sizing: border-box;
}
.left-wrap .hd {
    margin: 0 -20px 24px -20px; /* 抵消容器的padding，让标题延伸到边缘 */
    padding: 24px 20px 20px; /* 增加内边距 */
    border-bottom: 3px solid #ec3b3b; /* 增加边框厚度 */
    background: linear-gradient(to bottom, #fff 0%, #fafafa 100%); /* 渐变背景 */
}
.left-wrap .hd h1 {
    font-size: 28px;
    font-weight: 700; /* 更粗 */
    color: #1a1a1a; /* 更深的颜色 */
    margin: 0;
    letter-spacing: -0.5px; /* 字母间距优化 */
}
.icon-topic-lab {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 9;
    width: 40px;
    height: 40px;
    background: url(https://f.dangkexuexi.com/assets/special/images/lab.png) no-repeat center center;
}
.icon-index-tag-1 {
    background-position: -3px -26px;
}
.icon-index-tag-2 {
    background-position: -28px -26px;
}
.icon-index-tag-3 {
    background-position: -52px -26px;
}
.icon-index {
    background-image: url(https://f.dangkexuexi.com/assets/special/images/index.png);
}
.icon-index-hit {
    width: 20px;
    height: 20px;
    background-position: -85px -50px;
}
/* 现代化卡片式布局 */
.left-wrap .list {
    margin: 20px 0;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    gap: 18px; /* 增加卡片间距 */
}
.left-wrap .list li {
    width: calc(25% - 13.5px); /* 固定4列，每张占25%宽度减去gap */
    background: #fff;
    border-radius: 12px; /* 增加圆角 */
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06); /* 优化阴影 */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* 更流畅的动画 */
    display: flex;
    flex-direction: column;
    border: 1px solid #f0f0f0; /* 添加边框 */
    flex-shrink: 0; /* 防止收缩，保持固定宽度 */
}
.left-wrap .list li:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12); /* hover时阴影更深 */
    transform: translateY(-4px); /* hover时上浮更多 */
    border-color: #ec3b3b; /* hover时边框变红 */
}
.left-wrap .list .front {
	position: relative;
	width: 100%;
	height: auto; /* 高度自适应 */
	overflow: hidden;
	background: #f9f9f9;
	border-radius: 12px 12px 0 0; /* 顶部圆角 */
}
.left-wrap .list .front .pic {
    position: relative;
    width:100%;
    height:100%;
    background-image: url(https://f.dangkexuexi.com/assets/special/images/tcbg.jpg);
    background-repeat: repeat;
    background-size: cover;
}
.left-wrap .list .front .text-cover {
    padding: 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.left-wrap .list .front .text-cover::before {
    font-size: 10px;
    color: #000;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    z-index: 1;
    text-align: center;
    opacity: 0.2;
}
.left-wrap .list .front .text-cover::after{content: "";display: block;position: absolute;top:0; left:0;width: 100%;height: 100%;z-index:0;opacity: .3;}
.left-wrap .list .front .text-cover-title {
    color: #000;
    padding: 0;
    font-weight: bold;
    font-size: 18px;
    opacity: 0.7;
    text-align: center;
    line-height: 1.4;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.tcbg0::after{background: #ccc7d1;}
.tcbg1::after{background: #c9b39c;}
.tcbg::after{background: #c2d0d6;}
.tcbg3::after{background: #beaca7;}
.tcbg4::after{background: #c4cad4;}
.tcbg5::after{background: #98acb3;}
.tcbg6::after{background: #b2acb9;}
.tcbg7::after{background: #a3aec2;}
.tcbg8::after{background: #9cb3c9;}
.tcbg9::after{background: #a7beb5;} 
.tcbg10::after{background: #cfcaaf;}
.left-wrap .list .front a.cover {
	display: block;
	width: 100%;
	height: 100%;
    overflow: hidden;
    position: relative;
}
.left-wrap .list .front a.cover:hover img {
	transform: scale(1.05);
}
.left-wrap .list .front img.doc-img {
	width: 100%;
	height: auto; /* 高度自适应，保持图片原始宽高比 */
	display: block;
	transition: transform 0.3s ease;
}
.left-wrap .list .front .icon-topic-lab {
	position: absolute;
	top: 10px;
	left: 10px;
	z-index: 2;
	width: 40px;
	height: 40px;
	background: url(https://f.dangkexuexi.com/assets/special/images/lab.png) no-repeat center center;
	background-size: contain;
}
.left-wrap .list .title {
	width: 100%;
    padding: 18px 18px 10px; /* 增加内边距 */
    overflow: hidden;
    position: relative;
}
.left-wrap .list .title a {
	line-height: 26px; /* 增加行高 */
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	font-size: 16px; /* 稍微减小字体 */
	font-weight: 600; /* 加粗 */
	color: #1a1a1a; /* 更深的颜色 */
	transition: color 0.2s;
}
.left-wrap .list .title a:hover {
	color: #ec3b3b;
	text-decoration: none;
}
.left-wrap .list .intros {
	width: 100%;
	padding: 0 18px; /* 与标题对齐 */
	line-height: 22px;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	font-size: 13px; /* 稍微减小字体 */
	color: #888; /* 更柔和的颜色 */
	flex: 1;
	margin-bottom: 4px;
}
.left-wrap .list .intros a {
	color:#666;
}
.left-wrap .list .btns {
	padding: 12px 18px 18px; /* 与标题对齐 */
	margin: 0;
}
.left-wrap .list .btns a.btn-detail {
    display: inline-block;
	width: 100%; /* 按钮占满宽度 */
	min-width: 100px;
	height: 38px; /* 稍微增加高度 */
	line-height: 38px;
	padding: 0 20px;
	background: linear-gradient(135deg, #fff 0%, #fafafa 100%); /* 渐变背景 */
    border: 1.5px solid #ec3b3b;
    color: #ec3b3b;
	border-radius: 6px; /* 增加圆角 */
    font-size: 14px;
	font-weight: 500;
    text-align: center;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	text-decoration: none;
	box-sizing: border-box;
}
.left-wrap .list .btns a.btn-detail:hover {
	background: linear-gradient(135deg, #ec3b3b 0%, #d51d1d 100%); /* hover渐变 */
	color: #fff;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(236, 59, 59, 0.4); /* 更明显的阴影 */
	border-color: #d51d1d;
}
.left-wrap .list .ft {
    width: 100%;
    margin-top: 30px;
    padding: 20px 0;
    text-align: center;
}
.right-wrap {
    float: right;
    width: 290px;
}
.right-wrap .topten {
    margin: 0 0 15px;
    padding: 0 18px 20px;
    background: #fff;
}
.right-wrap .topten .hd {
    padding: 20px 0 10px;
    line-height: 32px;
    overflow: hidden;
}
.right-wrap .topten .hd h3 {
    float: left;
    font-size: 16px;
}
.right-wrap .topten .hd ul.tab-nav {
    float: right;
    height: 22px;
		padding: 5px 0;
}
.right-wrap .topten .hd ul.tab-nav li {
    float: left;
    padding: 0 1px;
}
.right-wrap .topten .hd ul.tab-nav li a {
    display: block;
    width: 28px;
    height: 22px;
    line-height: 22px;
    border-radius: 3px;
    text-align: center;
    color: #aaa;
}
.right-wrap .topten .hd ul.tab-nav li a:hover, 
.right-wrap .topten .hd ul.tab-nav li a.active {
    background: #f5f5f5;
    color: #ec3b3b;
    font-weight: 700;
}
.right-wrap .topten ul.list li {
    padding: 10px 0 5px;
    *padding: 7px 0 5px;
}
.right-wrap .topten ul.list li > a {
    display: block;
    overflow: hidden;
}
.right-wrap .topten ul.list li > a > i.icon {
    color: #fff;
}
.right-wrap .topten ul.list li > a > i {
    float: left;
    width: 20px;
    height: 24px;
    line-height: 20px;
    text-align: center;
    font-size: 14px;
    font-style: normal;
}
.right-wrap .topten ul.list li > a > i.num {
    color: #888;
}
.right-wrap .topten ul.list li > a > span.cover {
    float: left;
    display: none;
    width: 86px;height: 121px;
	margin: 0 8px;
	border-radius: 3px;
	border: 1px solid #eee;
	overflow: hidden;
}
.right-wrap .topten ul.list li > a > span.cover img {
    width: 100%;height: 100%;
}
.right-wrap .topten ul.list li > a.active > span.cover,
.right-wrap .topten ul.list li > a.active > span.d {
    display: block;
}
.right-wrap .topten ul.list li > a > strong {
    float: left;
    display: block;
    padding: 0 0 0 8px;
    width: 222px;
    height: 24px;
    line-height: 20px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 14px;
    font-weight: 400;
    color: #000;
}
.right-wrap .topten ul.list li > a.active > strong {
    float: right;
    display: block;
    display: -webkit-box;
    width: 126px;
    height: 40px;
		padding: 0;
    white-space: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.right-wrap .topten ul.list li > a > strong:hover {
    color: #ec3b3b;
    text-decoration: underline;
}
.right-wrap .topten ul.list li > a > span.d {
    display: none;
    float: right;
    padding: 60px 0 0 0;
    width: 126px;
    height: 24px;
    line-height: 20px;
    font-size: 12px;
    color: #999;
}
.right-wrap .topten ul.list li > a > span.d > small {
    float: left;
}
.right-wrap .topten ul.list li > a > span.d > em {
    float: left;
    padding: 0 10px;
    font-style: normal;
}
.tab-items > .tab-item {
	display: none;
}
.tab-items > .active {
    display: block;
}

.special-detail-left-wrap{
	float: left;
    margin: 0 0 16px 0;
    padding: 20px 30px 17px 30px;
    width: 975px;
    background-color: #fff;
    box-sizing: border-box;
}
.special-detail-left-wrap .hd {
    position: relative;
    margin: 0 0 30px 0;
    padding: 25px;
    background: linear-gradient(135deg, #fff 0%, #fafafa 100%);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.special-detail-left-wrap .hd .hd-content {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}
.special-detail-left-wrap .hd .cover-pic {
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 8px;
}
.special-detail-left-wrap .hd .cover-pic img {
    display: block;
    width: 140px;
    height: 190px;
    object-fit: cover;
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    transition: transform 0.3s ease;
}
.special-detail-left-wrap .hd .cover-pic:hover img {
    transform: scale(1.02);
}

.special-detail-left-wrap .hd .cover-pic .text-cover {
    position: relative;
    width: 133px;
    height: 182px;
    background-image: url(https://f.dangkexuexi.com/assets/special/images/tcbg.jpg);
    background-repeat: repeat;
    background-size: cover;
    padding: 10% 10% 35% 10%;
}
.special-detail-left-wrap .hd .cover-pic .text-cover::before {
    font-size: 10px;
    color: #000;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    z-index: 1;
    text-align: center;
    opacity: 0.2;
}
.special-detail-left-wrap .hd .cover-pic .text-cover-title {
    color: #000;
    text-orientation: mixed;
    padding: 0;
    font-weight: bold;
    font-size: 16px;
    opacity: 0.6;
    height: 100px;
    overflow: hidden;
}
.special-detail-left-wrap .hd .cover-pic .text-cover::after{content: "";display: block;position: absolute;top:0; left:0;width: 100%;height: 100%;z-index:0;opacity: .3;}

.special-detail-left-wrap .hd .title {
    flex: 1;
    padding: 0;
    min-width: 0;
}
.special-detail-left-wrap .hd .title h1{
	margin: 0 0 16px 0;
	font-size: 28px;
	line-height: 38px;
	font-weight: 700;
	color: #1a1a1a;
	display: -webkit-box;
    -webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	letter-spacing: -0.5px;
}
.special-detail-left-wrap .hd .title h1 a {
	font-size: 14px;
	font-weight: 400;
	color: #ec3b3b;
	float: right;
	margin-left: 15px;
	text-decoration: none;
	transition: color 0.2s;
}
.special-detail-left-wrap .hd .title h1 a:hover {
	color: #d51d1d;
	text-decoration: underline;
}
.special-detail-left-wrap .hd .title p{
	font-size: 15px;
	line-height: 26px;
	font-weight: 400;
	color: #666;
	margin: 0 0 16px 0;
}
.special-detail-left-wrap .hd .title p.intro{
	display: -webkit-box;
    -webkit-line-clamp: 5; /* 显示五行 */
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
	color: #555;
	line-height: 26px; /* 确保行高合适 */
	max-height: 130px; /* 5行 × 26px = 130px */
}
.special-detail-left-wrap .hd .title p.attribute{
	margin-top: 0;
	line-height: 32px;
	color: #888;
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
}
.special-detail-left-wrap .hd .title p.attribute .item{
	font-size: 13px;
	height: 32px;
	color: #888;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	display: flex;
	align-items: center;
	padding: 0 12px;
	background: #f5f5f5;
	border-radius: 16px;
	transition: all 0.2s;
}
.special-detail-left-wrap .hd .title p.attribute .item:hover{
	background: #ececec;
	color: #333;
}
.special-detail-left-wrap .hd .title p.attribute .item i{
	margin-right: 6px;
	font-size: 14px;
	color: #ec3b3b;
}

.special-detail-right-wrap{
	float: right;
    width: 290px;
}
.special-detail-right-wrap .resemble {
    padding: 19px 20px;
    margin-bottom: 15px;
    background-color: #fff;
    background: #fff;
}
.special-detail-right-wrap .resemble h3 {
    padding: 0 0 0 8px;
    margin: 0 0 20px 0;
    line-height: 16px;
    font-size: 16px;
    font-weight: 400;
    border-left: 4px solid #f01414;
}
.special-detail-right-wrap ul.list li {
    margin: 0 0 13px 0;
}
.special-detail-right-wrap ul.list li i {
    margin: 5px 5px 0 0;
}
.special-detail-right-wrap ul.list li strong {
    display: inline-block;
    overflow: hidden;
    width: 220px;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 14px;
    font-weight: 400;
    color: #333;
}
.special-detail-right-wrap ul.list li a:hover > strong{
	text-decoration: underline;
	color: #f01414;
}
.special-detail-left-wrap .hd .catalog{
	padding: 0;
	margin: 0;
	background: transparent;
	border-radius: 0;
	border: none;
	box-shadow: none;
	overflow: visible;
	border-top: 1px solid #e8e8e8;
	padding-top: 20px;
	margin-top: 4px;
}
.special-detail-left-wrap .catalog dl{
	overflow: hidden;
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	align-items: center;
}
.special-detail-left-wrap .catalog dt{
	font-size: 16px;
	font-weight: 700;
	color: #1a1a1a;
	margin-right: 8px;
	flex-shrink: 0;
}
.special-detail-left-wrap .catalog dd{
	margin: 0;
	padding: 0;
}
.special-detail-left-wrap .catalog dd a{
	display: inline-block;
	padding: 8px 18px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	background: #fff;
	border: 1.5px solid #e0e0e0;
	border-radius: 20px;
	font-size: 14px;
	color: #555;
	text-decoration: none;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.special-detail-left-wrap .catalog dd a:hover{
	background: linear-gradient(135deg, #ec3b3b 0%, #d51d1d 100%);
	color: #fff;
	border-color: #ec3b3b;
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(236, 59, 59, 0.3);
	text-decoration: none;
}

.special-detail-left-wrap .bd .classify{
	padding: 20px 0 7px 0;
	border-bottom: 1px dashed #ddd;
}
.special-detail-left-wrap .bd .classify:last-child{
	border-bottom:0px;
}
.special-detail-left-wrap .bd .classify .headline{
	margin: 0 0 20px 0;
}
.special-detail-left-wrap .bd .classify .headline span{
	display: inline-block;
	line-height: 22px;
}
.special-detail-left-wrap .bd .classify .headline span.number{
	width: 22px;
	height: 22px;
	text-align: center;
	font-weight: bolder;
	color: #fff;
	background: #f01414;
	border: 1px solid #f01414;
	border-radius: 3px;
}
.special-detail-left-wrap .bd .classify .headline span.title{
	padding: 0 0 0 10px;
	font-size: 18px;
	vertical-align: middle;
}
.special-detail-left-wrap .bd .classify ul.list{
	overflow: hidden;
}
.special-detail-left-wrap .bd .classify ul.list li{
	padding: 0 37px 13px 39px;
	float: left;
	width: 455px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: relative;
}
.special-detail-left-wrap .bd .classify ul.list li strong{
	padding-left: 5px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	vertical-align: middle;
	font-size: 14px;
	font-weight: normal;
	color: #333;
}
.special-detail-left-wrap .bd .classify ul.list li a:hover > strong{
	text-decoration: underline;
	color: #f01414;
}
/* 卡片式列表样式 */
.special-detail-left-wrap .bd .classify .headline .total-count {
	float: right;
	font-size: 14px;
	color: #999;
	font-weight: normal;
	line-height: 22px;
}
.special-detail-left-wrap .bd .classify .doc-list {
	overflow: hidden;
	margin: 20px 0;
	width: 100%;
}
.special-detail-left-wrap .bd .classify .doc-list li {
	float: left;
	width: 298px;
	margin: 0 3.5px 20px 3.5px;
	padding: 0;
	overflow: hidden;
	border-bottom: none;
	box-sizing: border-box;
}
.special-detail-left-wrap .bd .classify .doc-list li:nth-child(3n+1) {
	margin-left: 0;
}
.special-detail-left-wrap .bd .classify .doc-list li:nth-child(3n) {
	margin-right: 0;
}
.special-detail-left-wrap .bd .classify .doc-list li .front {
	overflow: hidden;
	position: relative;
	float: left;
	border: 1px solid #f1f1f1;
	border-radius: 4px;
	padding: 0;
	width: 100%;
	height: 168px;
	display: flex;
	justify-content: center;
	align-items: center;
	background: #f9f9f9;
	box-sizing: border-box;
	transition: all 0.3s;
}
.special-detail-left-wrap .bd .classify .doc-list li:hover .front {
	border-color: #f01414;
	box-shadow: 0 2px 8px rgba(240, 20, 20, 0.3);
}
.special-detail-left-wrap .bd .classify .doc-list li .front::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 60px;
	background-image: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 40%, rgba(0,0,0,0.1) 70%, transparent 100%);
	transition: opacity 0.3s;
	z-index: 1;
	pointer-events: none;
}
.special-detail-left-wrap .bd .classify .doc-list li:hover .front::after {
	background-image: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.5) 40%, rgba(0,0,0,0.2) 70%, transparent 100%);
}
.special-detail-left-wrap .bd .classify .doc-list li .front i.filetype {
	font-size: 24px;
	position: absolute;
	top: 8px;
	right: 8px;
	color: #2f97fe;
	z-index: 3;
	background-color: #ffffff;
	opacity: 0.9;
	border-radius: 4px;
	padding: 4px;
	margin-right: 0 !important;
}
.special-detail-left-wrap .bd .classify .doc-list li .front i.icon-vip {
	position: absolute;
	top: 8px;
	left: 8px;
	z-index: 3;
	background: rgba(255, 68, 0, 0.9);
	color: #fff;
	padding: 2px 8px;
	border-radius: 3px;
	font-size: 12px;
	font-style: normal;
	font-weight: 500;
}
.special-detail-left-wrap .bd .classify .doc-list li .front img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.special-detail-left-wrap .bd .classify .doc-list li .front .no-pic {
	width: 100%;
	height: 180px;
	display: flex;
	justify-content: center;
	align-items: center;
	background: #f9f9f9;
}
.special-detail-left-wrap .bd .classify .doc-list li .front .no-pic i.filetype {
	position: relative;
	font-size: 60px;
	color: #ccc;
}
.special-detail-left-wrap .bd .classify .doc-list li .title {
	display: block !important;
	float: left;
	height: 24px;
	max-width: 100%;
	line-height: 24px;
	font-size: 16px;
	color: #000;
	margin: 10px 0 0 0;
	font-weight: 400;
	overflow: hidden;
	white-space: nowrap !important;
	text-overflow: ellipsis !important;
	width: 100%;
}
.special-detail-left-wrap .bd .classify .doc-list li .title a {
	color: #000;
	text-decoration: none;
	display: block;
	overflow: hidden;
	white-space: nowrap !important;
	text-overflow: ellipsis !important;
}
.special-detail-left-wrap .bd .classify .doc-list li .title a:hover {
	color: #ec3b3b;
	text-decoration: underline;
}
.special-detail-left-wrap .bd .classify .doc-list li .title .doc-title {
	display: block;
	overflow: hidden;
	white-space: nowrap !important;
	text-overflow: ellipsis !important;
}
.special-detail-left-wrap .bd .classify .more-link {
	text-align: center;
	padding: 20px 0;
	border-top: 1px dashed #ddd;
	margin-top: 20px;
}
.special-detail-left-wrap .bd .classify .more-link .btn-more {
	display: inline-block;
	padding: 8px 20px;
	background: #fdeaea;
	border: 1px solid #ec3b3b;
	color: #ec3b3b;
	border-radius: 3px;
	font-size: 14px;
	text-decoration: none;
	transition: all 0.3s;
}
.special-detail-left-wrap .bd .classify .more-link .btn-more:hover {
	background: #ec3b3b;
	color: #fff;
}
.special-detail-left-wrap .bd .classify .pageModel {
	padding: 20px 0;
	text-align: center;
}
/* 隐藏首页、尾页按钮 */
.special-detail-left-wrap .bd .classify .pageModel a:contains('首页'),
.special-detail-left-wrap .bd .classify .pageModel a:contains('尾页') {
	display: none !important;
}
/* 使用更通用的方式隐藏首页、尾页 */
.special-detail-left-wrap .bd .classify .pageModel a {
	position: relative;
}
.special-detail-left-wrap .bd .classify .pageModel a[href*="page/1.html"]:first-child,
.special-detail-left-wrap .bd .classify .pageModel a:last-child:not(.next):not([class*="next"]) {
	/* 通过JavaScript动态隐藏，这里先保留样式 */
}
.special-detail-left-wrap .catalog dd a.active{
	background: linear-gradient(135deg, #ec3b3b 0%, #d51d1d 100%);
	color: #fff;
	border-color: #ec3b3b;
	box-shadow: 0 2px 8px rgba(236, 59, 59, 0.25);
	font-weight: 600;
}
.special-detail-left-wrap .catalog dd a.active:hover{
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(236, 59, 59, 0.4);
}
.no-data{display:block;width:100%;height:88px;margin:110px auto 210px auto;color:#999;font-size:14px;background:url(https://f.dangkexuexi.com/assets/special/images/no-data.png) no-repeat center;background-size:contain}
.no-data p{padding-top:113px;text-align:center;color:#999}

/* 响应式设计优化 - 固定4列布局 */
@media (max-width: 1200px) {
	.left-wrap .list li {
		width: calc(25% - 13.5px); /* 保持4列 */
	}
}

@media (max-width: 992px) {
	.left-wrap .list li {
		width: calc(25% - 13.5px); /* 保持4列 */
	}
}

@media (max-width: 768px) {
	.left-wrap .list {
		gap: 15px;
	}
	.left-wrap .list li {
		width: calc(50% - 7.5px); /* 移动端显示2张 */
	}
	.left-wrap .list .front {
		height: auto;
	}
	.left-wrap .hd h1 {
		font-size: 24px;
	}
}