.catalog {
    	margin-bottom: 0px;
    }

    .catalog .inner .bottom a {
    	background: #00a0ea;
    	color: #fff;
    	margin-top: 10px;
    }

    .catalog .inner .text .left li .zb-main {
    	height: 50px;
    	line-height: 50px;
    	border-bottom: 1px dashed #999;
    	cursor: pointer;
    }

    .catalog .inner .text .left li a {
    	display: block;
    	height: 45px;
    	line-height: 45px;
    	border-bottom: 1px dashed #999;
    }

    .catalog .inner .text .left li .zb-drop {
    	display: none;
    }

    .catalog .inner .text .left li .zb-drop a {
    	padding-left: 20px;
    }

    .catalog .inner .text .left li .zb-drop.open {
    	display: block;
    }

    .catalog .inner .text .left li .zb-main img {
    	margin-right: 5px;
    	vertical-align: middle;
    }

    .top h5 {
    	font-size: 22px;
    	height: 50px;
    	line-height: 50px;
    }

    .brief {
    	color: #ffffff;
    	background: #375172;

    }

    .brief h6 {
    	font-size: 18px;
    }

    .brief p {
    	font-size: 16px;
    }

    /* ------------------------------------------------------------------ */
    .zb-btn-list {
    	margin-top: 5px;
    	text-align: center;
    	margin-bottom: 40px;
    }

    .zb-btn-list .item {
    	display: inline-block;
    	width: 19%;
    	height: 37px;
    	line-height: 37px;
    	font-size: 16px;
    	text-align: center;
    	border: 1px solid #ccc;
    	border-radius: 5px;
    }

    .zb-btn-list .item a {
    	display: block;
    	color: #323232;
    }

    .zb-btn-list .item:nth-child(3n+0) {
    	width: 39%;
    }


    .blue_btn {
    	padding: 0 10px;
    	height: 40px;
    	color: #fff !important;
    	background: #00A0EA;
    	text-align: center;
    	border-radius: 4px;
    }

    .study_back a {
    	padding: 0 10px;
    	margin-right: 20px;
    	margin-top: 7px;
    	margin-bottom: 6px;
    	color: #ffffff;
    	line-height: 40px;
    	font-size: 16px;
    	display: inline-block;
    }

    .section {
    	margin-bottom: 0px;
    }

    .spqh {
    	position: relative;
    }

    .bf_left {
    	float: left;
    	width: 200px;
    	height: 600px;
    	background: #fff;
    	background: #f8f8f8
    }

    .bf_right {
    	float: right;
    	width: 200px;
    	height: 600px;
    	background: #fff;
    	background: #f8f8f8
    }

    .bf_left ul li {
    	height: 120px;
    	border-bottom: 1px #ddd dashed;
    	padding-top: 40px
    }

    .bf_right ul li {
    	height: 120px;
    	border-bottom: 1px #ddd dashed;
    	padding-top: 40px
    }

    .bf_left ul li a {
    	display: block;
    	width: 140px;
    	margin: 0 auto 0 auto;
    	line-height: 40px;
    	background: #375172;
    	color: #fff;
    	font-size: 16px;
    	border-radius: 10px;
    	text-align: center
    }

    .bf_right ul li a {
    	display: block;
    	width: 140px;
    	margin: 0 auto 0 auto;
    	line-height: 40px;
    	background: #375172;
    	color: #fff;
    	font-size: 16px;
    	border-radius: 10px;
    	text-align: center
    }

    .bofang {
    	height: 600px
    }

    .bofang2 {
    	height: 90px;
    	width: 360px;
    	margin: 0 auto
    }

    .spqh .left_sp {
    	width: 800px !important;
    	height: 600px !important;
    }

    @media (max-width: 1380px) {
    	.bf_left {
    		width: 100px;
    	}

    	.bf_right {
    		width: 100px;
    	}

    	.bf_left ul li a {
    		width: 80px;
    	}

    	.bf_right ul li a {
    		width: 80px;
    	}

    	.spqh .left_sp {
    		left: 100px;
    	}
    }

    .spqh .top_sp {
    	width: 800px !important;
    	height: 600px !important;
    	display: none;
    }

    .spqh .bottom_sp {
    	width: 800px !important;
    	height: 600px !important;
    	display: none;
    }

    .qhs {
    	position: absolute;
    	left: 80px;
    	bottom: 5px;
    	cursor: pointer;
    	z-index: 2;
    	padding-top: 4px;
    	display: none;
    }

    .qhx {
    	position: absolute;
    	right: 80px;
    	bottom: 5px;
    	cursor: pointer;
    	z-index: 2;
    	padding-top: 4px;
    	display: none;
    }

    .section .moreOl {
    	position: absolute;
    	padding: 0;
    	margin: 0;
    	display: none;
    	opacity: 0;
    	top: auto !important;
    	bottom: 0;
    	left: 50%;
    	margin-left: -408px;
    	background: #9fc5fd;
    	color: #fff;
    	font-size: 15px;
    	width: 816px;
    	z-index: 100;
    	box-shadow: 0px -2px 10px #9fc5fd;
    	bottom: 156px;
    }

    .section .moreOl>li {
    	float: left;
    	border-radius: 8px;
    	box-sizing: border-box;
    	font-size: 16px;
    	width: 132px !important;
    	text-align: center;
    	padding: 5px 0;
    }

    .section .moreOl>li a {
    	display: block;
    	border: 1px solid #eee;
    	padding: 10px 0;
    	width: 90%;
    	position: relative;
    	left: 5%;
    	top: 5%;
    	cursor: pointer;
    	height: 90%;
    }

    .section .moreOl>li>a {
    	color: #444;
    }

    .section .moreOl>li>a:hover {
    	background: #00a0ea;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl>li .hover {
    	background: #00a0ea;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl>li ol {
    	position: absolute;
    	left: 0;
    	top: 100%;
    	display: none;
    	width: 100%;
    	padding: 0;
    	overflow: hidden;
    	border-top: 2px solid #00a0ea;
    	background: #d3dff0;
    	box-shadow: 0px 2px 10px #d3dff0;
    }

    .section .moreOl>li ol a {
    	color: #333;
    	font-size: 14px;
    }

    .section .moreOl>li ol a:hover {
    	background: #6ec0f0;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl>li ol li {
    	width: 272px;
    	float: left;
    	padding: 5px 0;
    }

    .section .moreOl .last {
    	width: 272px !important;
    }

    .section .moreOl .last a {
    	width: 95%;
    	position: relative;
    	left: 2.5%;
    	top: 5%;
    	cursor: pointer;
    	height: 90%;
    }

    .section .moreOl .last.hover>a {
    	background: #00a0ea;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl .last.hover ol {
    	display: block;
    }

    .section .moreOl>li.zb-page {
    	margin-left: 1%;
    	width: 98% !important;
    	border: 1px solid #eee;
    }

    .section .moreOl1 {
    	position: absolute;
    	padding: 0;
    	margin: 0;
    	display: none;
    	opacity: 0;
    	top: auto !important;
    	bottom: 0;
    	left: 50%;
    	margin-left: -408px;
    	background: #9fc5fd;
    	color: #fff;
    	font-size: 15px;
    	width: 816px;
    	z-index: 100;
    	box-shadow: 0px -2px 10px #9fc5fd;
    	bottom: 172px;
    }

    .section .moreOl1>li {
    	float: left;
    	border-radius: 8px;
    	box-sizing: border-box;
    	font-size: 16px;
    	width: 130px !important;
    	text-align: center;
    	padding: 5px 0;
    }

    .section .moreOl1>li a {
    	display: block;
    	border: 1px solid #eee;
    	padding: 10px 0;
    	width: 90%;
    	position: relative;
    	left: 5%;
    	top: 5%;
    	cursor: pointer;
    	height: 90%;
    }

    .section .moreOl1>li>a {
    	color: #444;
    }

    .section .moreOl1>li>a:hover {
    	background: #00a0ea;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl1>li .hover {
    	background: #00a0ea;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl1>li ol {
    	position: absolute;
    	left: 0;
    	top: 100%;
    	display: none;
    	width: 100%;
    	padding: 0;
    	overflow: hidden;
    	border-top: 2px solid #00a0ea;
    	background: #d3dff0;
    	box-shadow: 0px 2px 10px #d3dff0;
    }

    .section .moreOl1>li ol a {
    	color: #333;
    	font-size: 14px;
    }

    .section .moreOl1>li ol a:hover {
    	background: #6ec0f0;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl1>li ol li {
    	width: 272px;
    	float: left;
    	padding: 5px 0;
    }

    .section .moreOl1 .last {
    	width: 272px !important;
    }

    .section .moreOl1 .last a {
    	width: 95%;
    	position: relative;
    	left: 2.5%;
    	top: 5%;
    	cursor: pointer;
    	height: 90%;
    }

    .section .moreOl1 .last.hover>a {
    	background: #00a0ea;
    	color: #fff !important;
    	box-shadow: 2px 2px 10px #6ec0f0;
    }

    .section .moreOl1 .last.hover ol {
    	display: block;
    }

    .section .moreOl1>li.zb-page {
    	margin-left: 1%;
    	width: 98% !important;
    	border: 1px solid #eee;
    }

    .zb-li {
    	padding: 0;
    }

    .zb-li>li.item {
    	width: 272px !important;
    }

    .zb-li>li {
    	float: left;
    	border-radius: 8px;
    	box-sizing: border-box;
    	font-size: 16px;
    	width: 136px !important;
    	text-align: center;
    	padding: 5px 0;
    }

    .zb-li>li a {
    	display: block;
    	border: 1px solid #eee;
    	padding: 10px 0;
    	width: 90%;
    	position: relative;
    	left: 5%;
    	top: 5%;
    	cursor: pointer;
    	height: 90%;
    }

    .img_btn {
    	font-size: 3em;
    	line-height: 1.5em;
    	height: 1.63332em;
    	width: 3em;
    	display: block;
    	position: absolute;
    	top: 50%;
    	left: 50%;
    	transform: translate(-50%, -50%);
    	padding: 0;
    	cursor: pointer;
    	opacity: 1;
    	border: .06666em solid #fff;
    	background-color: #2b333f;
    	background-color: rgba(43, 51, 63, .7);
    	border-radius: .3em;
    	transition: all .4s;
    }

    .img_container:hover .img_btn {
    	background-color: rgba(43, 51, 63, .3) !important;
    }

    .img_icon:before {
    	content: "\f101";
    	font-family: VideoJS;
    	font-weight: 400;
    	font-style: normal;
    	color: #FFFFFF;
    }

    .img_text {
    	border: 0;
    	clip: rect(0 0 0 0);
    	height: 1px;
    	overflow: hidden;
    	padding: 0;
    	position: absolute;
    	width: 1px;
    }

    .item {
    	display: inline-block;
    	margin: 4px 0px;
    	width: 20%;
        height: 48px;
        line-height: 48px;
    	font-size: 16px;
    	text-align: center;
    	border: 1px solid #ccc;
    	border-radius: 5px;
    }





    .flexbox {
    	margin: 0;
    	padding: 0;
    	background: #f2f2f2;
    	display: flex;
    	justify-content: center;
    	align-items: center;
    	height: 100vh;
    	font-family: "Microsoft YaHei", sans-serif;
    }

    .payment-modal {
    	width: 640px;
    	background: white;
    	border-radius: 8px;
    	overflow: hidden;
    	box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    	position: relative;
    	top: 80px;
    }

    .payment-header {
    	background: #00a0ea;
    	color: white;
    	padding: 18px 40px;
    	position: relative;
    }

    .payment-header h1 {
    	font-size: 20px;
    	margin: 0;
    	font-weight: bold;
    }

    .subtitle {
    	font-size: 22px;
    	opacity: 0.9;
    	margin-top: 8px;
    }

    .closebtn {
    	position: absolute;
    	top: 16px;
    	right: 20px;
    	width: 30px;
    	height: 30px;
    	background: rgba(255, 255, 255, 0.2);
    	border-radius: 50%;
    	display: flex;
    	align-items: center;
    	justify-content: center;
    	cursor: pointer;
    	font-size: 16px;
    	font-weight: bold;
    	transition: background 0.3s;
    }

    #headerCloseBtn {
    	cursor: pointer !important;
    	pointer-events: auto !important;
    	z-index: 1000 !important;
    }

    .closebtn:hover {
    	background: rgba(255, 255, 255, 0.3);
    }

    .payment-content {
    	padding: 20px 20px;
    }

    .course-info {
    	margin-bottom: 30px;
    }

    .course-title {
    	font-size: 18px;
    	color: #333;
    	margin-bottom: 10px;
    	font-weight: bold;
    }

    .course-duration {
    	font-size: 16px;
    	color: #666;
    	margin-bottom: 10px;
    }

    .price-section {
    	display: flex;
    	justify-content: space-between;
    	align-items: center;
    	padding: 15px 0;
    	margin-bottom: 30px;
    }

    .price-label {
    	font-size: 18px;
    	color: #333;
    	text-align: center;
    	position: relative;
    	width: 640px;
    }

    .price-amount {
    	font-size: 28px;
    	color: #F56C6C;
    	font-weight: bold;
    }

    .reminder {
    	background: #f0f9ff;
    	border: 1px solid #b3e0ff;
    	padding: 15px;
    	margin-bottom: 10px;
    	font-size: 15px;
    	color: #333;
    	line-height: 1.5;
    }

    .button-group {
    	display: flex;
    	gap: 20px;
    }

    .pay-button {
    	flex: 1;
    	background: #409EFF;
    	color: white;
    	border: none;
    	border-radius: 4px;
    	padding: 6px 12px;
    	font-size: 18px;
    	cursor: pointer;
    	transition: background 0.3s;
    }

    .pay-button:hover {
    	background: #337ecc;
    }

    .close-button {
    	flex: 1;
    	background: #f5f5f5;
    	color: #333;
    	border: 1px solid #dcdfe6;
    	border-radius: 4px;
    	padding: 16px;
    	font-size: 18px;
    	cursor: pointer;
    	transition: all 0.3s;
    }

    .close-button:hover {
    	background: #e8e8e8;
    	border-color: #c0c4cc;
    }

    .pay-button:disabled {
    	background: #a0cfff;
    	cursor: not-allowed;
    }