body {
				background-color: #fff;
			}

			#tray_screen1 {
				background: url('/static/web/imgs/topic/head_bg.png') no-repeat;
				background-position: center center;
				background-size: cover;
			}

			#tray_screen1 .nav {
				border: none;
			}

			#tray_screen1 .swiper {
				margin: 0 auto;
			}

			#tray_screen1 .swiper,
			.swiper-container,
			.swiper-wrapper {
				width: 758px;
				height: 637px;
			}

			.menu {
				width: 1200px;
				margin: -46px auto 0;
				display: flex;
				align-items: center;
				justify-content: space-between;
				position: relative;
				z-index: 1;
			}

			.menu>a>div {
				width: 183px;
				height: 100px;
				background: linear-gradient(180deg, #F1F5FB 0%, rgba(255, 255, 255, 0.9) 100%);
				box-shadow: 0px 2px 8px 0px rgba(193, 219, 255, 1);
				border-radius: 6px;
				border: 1px solid #FFFFFF;
				line-height: 100px;
				text-align: center;
				color: #000000;
				font-size: 22px;
			}

			.menu_sel {
				background: linear-gradient(90deg, #5431EC 0%, #9E46F2 100%) !important;
				color: #fff !important;
			}

			.topic_main {
				margin-top: 50px;
			}

			.topic_tag {
				font-size: 14px;
				color: #333333;
				padding: 10px 0;
				border-bottom: 1px solid #D8D8D8;
			}

			.topbar {
				margin-top: 20px;
				display: flex;
				align-items: center;
				justify-content: space-between;
				color: #fff;
			}

			.topbar>div {
				position: relative;
				width: 386px;
				height: 200px;
			}

			.topbar>div>div:nth-child(1) {
				position: absolute;
				font-size: 25px;
				font-weight: bold;
				left: 37px;
				top: 53px;
			}

			.topbar>div>div:nth-child(2) {
				position: absolute;
				width: 109px;
				height: 40px;
				border-radius: 20px;
				border: 2px solid #FFFFFF;
				text-align: center;
				line-height: 40px;
				left: 37px;
				bottom: 54px;
				font-size: 16px;
			}

			.topbar>div:nth-child(1) {
				background: url('/static/web/imgs/topic/img01.png') no-repeat;
				background-size: 100% 100%;
			}

			.topbar>div:nth-child(2) {
				background: url('/static/web/imgs/topic/img02.png') no-repeat;
				background-size: 100% 100%;
			}

			.topbar>div:nth-child(3) {
				background: url('/static/web/imgs/topic/img03.png') no-repeat;
				background-size: 100% 100%;
			}

			.topic_fl {
				display: flex;
				align-items: flex-start;
				margin-top: 30px;
			}

			.topic_type {
				width: 384px;
				border: 1px solid #D8D8D8;
				padding: 20px;
				min-height: 800px;
			}

			.tab {
				width: 304px;
				height: 58px;
				background: linear-gradient(90deg, #FFFFFF 0%, #FFFFFF 100%);
				border-radius: 29px;
				border: 1px solid #5131ED;
				margin: 0 auto;
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.tab>div {
				width: 150px;
				height: 52px;
				border-radius: 29px;
				color: #5131ED;
				font-size: 18px;
				line-height: 52px;
				text-align: center;
			}

			.tab_sel {
				background: linear-gradient(90deg, #5431EC 0%, #9E46F2 100%);
				color: #fff !important;
			}

			.grade {}

			.grade_title {
				border-bottom: 1px solid #377CFD;
				height: 40px;
				line-height: 40px;
				font-size: 16px;
				color: #5131ED;
			}

			.grade_list {}

			.grade_item {
				width: 100%;
				background: #F5F8FD;
				padding: 20px 10px;
				margin-top: 10px;
			}

			.grade_item_name {
				display: flex;
				align-items: center;
				color: #5131ED;
				font-size: 16px;
			}

			.grade_item_name>img {
				width: 22px;
				height: 22px;
				margin-right: 6px;
			}

			.grade_item_info {
				margin-top: 10px;
				display: flex;
				align-items: center;
				justify-content: space-between;
				color: #616161;
				font-size: 12px;
			}

			.grade_difficulty {
				display: flex;
				align-items: center;
				color: #616161;
				font-size: 14px;
			}

			.grade_difficulty>img {
				/* width: 14px; */
				height: 14px;
				margin-left: 4px;
			}


			.term_list {
				flex: 1;
				display: flex;
				align-items: center;
				margin-left: 20px;
				flex-wrap: wrap;
			}

			.term_item {
				width: 253px;
				height: 124px;
				background: linear-gradient(180deg, #F1F5FB 0%, rgba(255, 255, 255, 0.9) 100%);
				box-shadow: 0px 2px 8px 0px rgba(193, 219, 255, 1);
				border-radius: 6px;
				border: 1px solid #FFFFFF;
				padding: 30px 20px;
				color: #616161;
				font-size: 14px;
				margin: 0 10px 20px 0;
			}

			.term_item:hover {
				background: linear-gradient(90deg, #5431EC 0%, #9E46F2 100%);
				color: #EBDDFF;
			}

			.term_item:hover .name {
				color: #fff;
			}

			.term_item_top {
				display: flex;
				align-items: center;
				justify-content: space-between;
				margin-bottom: 10px;
			}

			.term_item_top .name {
				display: flex;
				align-items: center;
				color: #000;
				font-size: 18px;
				font-weight: bold;
			}

			.term_item_top .name>img {
				width: 36px;
				height: 36px;
				margin-right: 10px;
			}

			.term_item_top>img {
				width: 55px;
				height: 27px;
			}

			.topic_question {
				margin-top: 30px;
				width: 100%;
				/* height: 254px; */
				background: #F2F6FC;
				display: flex;
				color: #464646;
				font-size: 16px;
				padding: 20px;
			}

			.topic_question>div {
				width: 50%;
			}

			.topic_question .title {
				color: #000;
				font-size: 18px;
				font-weight: 400;
				border-left: 3px solid #5131ED;
				padding-left: 8px;
				height: 17px;
				line-height: 17px;
			}

			.topic_question ul {
				padding-left: 10px;
			}

			.topic_question ul li {
				margin-top: 20px;
				list-style: disc;
				height: 27px;
				line-height: 27px;
			}

			.topic_question ul li::marker {
				color: #C6C6C6;
			}

			.topic_question p {
				font-size: 16px;
				color: #333;
				font-weight: bold;
				margin-top: 20px;
			}

			.answer {
				width: 1200px;
				margin: 30px auto;
				display: flex;
				align-items: flex-start;
			}

			.sidebar {
				width: 316px;
				height: 1754px;
				border: 1px solid #D8D8D8;
				padding: 20px;
			}

			.sidebar_title {
				border-bottom: 1px solid #377CFD;
				padding: 10px 0;
				font-size: 20px;
				color: #5131ED;
			}

			.sidebar li {
				display: flex;
				align-items: center;
				justify-content: space-between;
				font-size: 14px;
				color: #7C7C7C;
				margin-top: 20px;
			}

			.sidebar li>div:first-child {
				width: 114px;
				height: 40px;
				line-height: 40px;
				background: #F5F3FF;
				border-radius: 4px;
				border: 1px solid #E1DBFF;
				text-align: center;
				font-size: 18px;
				color: #40356C;
			}

			.answer_main {
				flex: 1;
				height: 1754px;
				background: #F2F6FC;
				padding: 30px;
				position: relative;
			}

			.answer_main ul{
				height: 100%;
				overflow-y: scroll;
			}

			.answer_main li {
				border-bottom: 1px dashed #B4C7E3;
				padding: 30px 0;
				font-size: 16px;
			}

			.answer_question {
				display: flex;
				align-items: flex-start;
				font-size: 20px;
			}

			.answer_question>img {
				width: 48px;
				height: 26px;
				margin-right: 20px;
			}

			.answer_options {
				display: flex;
				flex-wrap: wrap;
				padding-top: 30px;
				font-size: 16px;
			}

			.answer_options_item {
				display: flex;
				margin-right: 50px;
				margin-bottom: 15px;
			}

			.answer_options_item>div {
				width: 26px;
				height: 26px;
				border-radius: 50%;
				box-shadow: 0px 2px 8px -3px rgb(0 0 0 / 50%);
				line-height: 26px;
				text-align: center;
				font-weight: 600;
				color: #333;
				margin-right: 6px;
				flex-shrink: 0;
			}

			.analysis {
				padding-top: 30px;
				font-size: 16px;
			}

			.analysis p {
				border-left: 2px solid #5131ED;
				height: 18px;
				line-height: 18px;
				font-size: 18px;
				padding-left: 8px;
			}

			.question_analysis {
				margin: 20px 0;
				filter: blur(5px);
			}

			.question_analysis span {
				color: #4B905A;
			}

			.question_grade {
				display: flex;
				align-items: center;
			}

			.question_grade>div:nth-child(1) {
				display: flex;
				align-items: center;
				margin-right: 60px;
			}

			.question_grade img {
				height: 16px;
				margin-left: 4px;
			}

			.course li {
				display: flex;
				align-items: center;
			}

			.course li img {
				width: 148px;
				height: 111px;
			}

			.course li>div {
				height: 111px;
				margin-left: 30px;
				width: 400px;
				display: flex;
				flex-direction: column;
				justify-content: space-around;
			}

			.course p {
				font-size: 22px;
				font-weight: bold;
			}

			.course span {
				color: #7C7C7C;
				font-size: 14px;
			}

			.course li button {
				width: 109px;
				height: 42px;
				background: linear-gradient(90deg, #5431EC 0%, #9E46F2 100%);
				border-radius: 21px;
				color: #fff;
				border: none;
			}

			.select-answer-tab>div:first-child {
				background: linear-gradient(90deg, #5431EC 0%, #9E46F2 100%) !important;
				color: #fff !important;
			}

			.grade-nav>a>div{
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.grade-nav img {
				width: 36px;
				height: 36px;
				margin-right: 8px;
			}

			.topic-list {
				flex: 1;
			}