@font-face {
	font-family: 'chem17';  /* Project id 1943868 */
	src: url('//at.alicdn.com/t/font_1943868_hg8h0ml4l9g.woff2?t=1636160224746') format('woff2'),
		 url('//at.alicdn.com/t/font_1943868_hg8h0ml4l9g.woff?t=1636160224746') format('woff'),
		 url('//at.alicdn.com/t/font_1943868_hg8h0ml4l9g.ttf?t=1636160224746') format('truetype');
  }
  .chem17{
    font-family:"chem17" !important;
    font-size:16px;font-style:normal;
    -webkit-font-smoothing: antialiased;
    -webkit-text-stroke-width: 0.2px;
    -moz-osx-font-smoothing: grayscale;}
body {
	line-height: 1;
}

.gray {
	background-color: #f5f5f5;
}
.iframe {
	overflow: hidden;
}
.iframe iframe {
	width: calc(100% + 18px);
	margin-left: -9px;
}
.advs {
	position: relative;
	display: block;
	height: 100%;
	width: 100%;
}

.advs img {
	display: block;
}

.advs i {
	position: absolute;
	left: 0;
	bottom: 0;
	z-index: 9;
	width: 24px;
	height: 12px;
	background: url("https://public.mtnets.com/Images/public/adv.png") no-repeat;
}

.ease {
	-webkit-transition: all 0.3s ease;
	-moz-transition: all 0.3s ease;
	-ms-transition: all 0.3s ease;
	-o-transition: all 0.3s ease;
	transition: all 0.3s ease;
}

.w {
	width: 1560px;
	margin: 0 auto;
}

.header {
	height: 42px;
	background: #f5f5f5;
	font-size: 13px;
}

.header .left {
	float: left;
}

.header .left p {
	line-height: 42px;
	float: left;
}

.header .left p a {
	color: #333;
}

.header .left p a:hover {
	color: #4385f5;
}

.header .left ul {
	float: left;
	margin-top: 13px;
}

.header ul li {
	float: left;
	padding: 0 6px;
}

.header .left ul li a {
	color: #666;
	line-height: 24px;
	display: inline-block;
	padding: 0 10px;
	margin-top: -4px;
}

.header .left ul li:first-child a {
	padding: 0 7px;
}

.header .left ul li a {
	padding: 0 10px;
}

.header .left ul li:first-child a {
	color: #4385f5;
}

.header .left ul li:nth-child(even) a,
.header .item ul li:nth-child(even) a:hover {
	color: #fff;
	background-color: #4385f5;
	border-radius: 2px;
}

.header .right {
	float: right;
	margin-right: 190px;
	margin-top: 15px;
}

.header .right li {
	padding: 0 12px;
	border-right: 1px solid #ddd;
}

.header .right li a {
	color: #666;
}

.header .right li a:hover {
	color: #4385f5;
}

.header--drop {
	margin: 0 auto;
	position: relative;
	font-size: 14px;
}

.header--drop ul {
	position: absolute;
	right: 0;
	top: -43px;
}

.header--drop ul li {
	float: left;
	height: 42px;
	position: relative;
}

.header--drop ul li .weixin {
	height: 43px;
	position: relative;
}

.header--drop ul li .weixin.hover::before {
	background-color: #fff;
	content: '';
	position: absolute;
	left: 0px;
	top: -2px;
	right: 0px;
	bottom: 0;
	height: 45px;
	z-index: 101;
}

.header--drop ul li .weixin.hover {
	background-color: #fff;
	box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.2);
}

.header--drop ul li .weixin.hover::after,
.header--drop ul li:last-child .weixin::after {
	display: none;
}

.web-code {
	width: 130px;
	padding: 25px 25px 20px 25px;
	background-color: #fff;
	position: absolute;
	z-index: 99;
	top: 36px;
	right: 0;
	box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.2);
	display: none;
	text-align: center;
}

.web-code1 {
	width: 300px;
	padding: 25px 12px 20px 12px;
}

.web-code .item {
	float: left;
	width: calc(50% - 20px);
	margin: 0 10px;
}

.web-code img {
	width: 100%;
	height: 100%;
}

.web-code b {
	display: block;
	font-size: 14px;
	padding: 18px 0 8px 0;
}

.web-code p {
	color: #999;
}
.header--drop ul li a {
	color: #666;
	line-height: 42px;
	display: block;
	padding: 0 13px;
	position: relative;
	z-index: 105;
}
.header--drop ul li a i {
	vertical-align: top;
	margin: -1px 8px 0 0;
	display: inline-block;
	width: 14px;
}
.header--drop ul li.mobile a i {
	width: 10px;
}
.header--drop ul li a:hover {
	color: #4385f5;
}
.headerNav {
	padding: 20px 0;
	overflow: hidden;
	background-color: #fff;
}

.headerNav p {
	font-size: 14px;
	color: #333;
	width: 1560px;
	margin: 0 auto;
}

.headerNav p a {
	color: #666;
	padding: 0 15px;
	font-weight: normal;
	position: relative;
}

.headerNav p a:hover {
	color: #4385f5;
}

.top {
    position: relative;
	background-color: #fff;
	padding-bottom: 34px;
}
.top .logo {
	float: left;
	height: 70px;
    position: relative;
}
.top .logo a {
	position: absolute;
	width: 54%;
	left: 0;
	top: 0;
	height: 100%;
}
.top .logo a:last-child {
	width: 46%;
	left: auto;
	right: 0;
}
.top p.topTxt {
	display: inline-block;
	padding-left: 20px;
	margin-left: 20px;
	border-left: 1px solid #ddd;
	vertical-align: top;
	margin-top: 23px;
}
.search {
	width: 570px;
	height: 40px;
	border: 2px solid #4385f5;
	position: relative;
	margin-top: 17px;
	float: left;
	margin-left: 80px;
}
.searchSelect {
	width: 90px;
	height: 40px;
	position: relative;
	float: left;
}
.selectTop {
	position: relative;
	cursor: pointer;
}
.selectTop p {
	font-size: 14px;
	line-height: 26px;
	color: black;
	text-indent: 10px;
	border-right: 1px solid #e6e6e6;
	margin-top: 7px;
	text-align: center;
	padding-right: 15px;
}
.selectTop i {
	position: absolute;
	line-height: 1;
	top: 10px;
	right: 6px;
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 5px 5px 0 5px;
	border-color: #333333 transparent transparent transparent;
}

.selectTop.focus i{
	-webkit-transform: rotate(180deg);
	-ms-transform: rotate(180deg);
	-o-transform: rotate(180deg);
	transform: rotate(180deg);
}
.search button {
	position: absolute;
	right: -2px;
	top: -2px;
	height: 44px;
	background-color: #4385f5;
	color: #ffffff;
	width: 95px;
	font-size: 16px;
	border: none;
	font-family: "microsoft yahei";
	cursor: pointer;
}
.search button i {
	margin-right: 7px;
	display: inline-block;
	vertical-align: top;
	margin-top: 2px;
}
.search input {
	width: calc(100% - 95px - 90px);
	height: 40px;
	float: left;
	border: none;
	font-size: 14px;
	font-family: "microsoft yahei";
	color: #999999;
	text-indent: 12px;
}
.search .search1 {
	position: absolute;
	color: #c0c0c0;
	top: 12px;
	left: 85px;
}
.selectBot {
	position: absolute;
	width: 100%;
	background-color: #ffffff;
	top: 42px;
	left: 0;
	z-index: 99;
	border-top: 2px solid #e6e6e6;
	border-bottom: 2px solid #e6e6e6;
	display: none;
	left: -2px;
}

.selectBot li {
	line-height: 26px;
	font-size: 14px;
	text-indent: 12px;
	border-left: 2px solid #e6e6e6;
	border-right: 2px solid #e6e6e6;
}
.selectBot li:hover {
	background-color: #4385f5;
	border-left: 2px solid #4385f5;
	border-right: 2px solid #4385f5;
	color: #fff;
	cursor: pointer;
}
.right-adv {
	float: right;
	width: 370px;
	margin-top: 18px;
}
.nav {
	height: 60px;
	line-height: 60px;
	background-color: #4385f5;
}
.nav li {
	float: left;
	position: relative;
}
.nav li a {
	color: #fff;
	font-size: 18px;
	padding: 0px 48px;
	display: block;
	position: relative;
	z-index: 9;
	white-space: nowrap;
}
.nav .menu-top a i {
	font-size: 12px;
	margin: 22px 0 0 8px;
	vertical-align: top;
	-webkit-transform: rotate(0deg);
	-ms-transform: rotate(0deg);
	-o-transform: rotate(0deg);
	transform: rotate(0deg);
	display: inline-block;
	line-height: 1;
}
.nav .menu-top a:hover i{
	-webkit-transform: rotate(180deg);
	-ms-transform: rotate(180deg);
	-o-transform: rotate(180deg);
	transform: rotate(180deg);
}
.nav li::after {
	position: absolute;
	content: "";
	right: -1px;
	top: 23px;
	width: 2px;
	height: 14px;
	background-color: #fff;
}
.nav li:last-child::after {
	display: none;
}
.nav li:hover a,.nav li a.on {
	background-color: #1b62dc;
}
.nav li:hover::after ,.nav li.on::after a {
	display: none;
}
.nav li .menu-bot {
	position: absolute;
	z-index: 999;
	width: 100%;
	display: none;
	top: 60px;
	left: 0;
	background-color: #fff;
	box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.2);
}
.nav li .menu-bot p a{
	height: 50px;
	text-align: center;
	font-size: 16px;
	line-height: 50px;
	color: #333;
	display: block;
	position:relative;
	background-color: #fff;
}
.nav li .menu-bot p a:hover{
	color: #4385f5;
	background-color: #e6eefb;
}
.nav li .menu-bot p a::after{
	content:'';
	position:absolute;
	bottom:0;
	left:16px;
	right: 16px;
	border-bottom:1px dotted #dddddd;
}
.main .videoList {
	overflow: hidden;
}
.main .videoList dl {
	height: 40px;
	line-height: 38px;
	overflow: hidden;
	float: left;
	width: calc(50% - 30px);
	margin-top: 20px;
	margin-right: 30px;
	padding: 0 10px;
	box-sizing: border-box;
}
.main .videoList dl:hover {
	background-color: #f8f8f8;
}
.main .videoList dt {
	float: left;
	font-size: 16px;
	width: calc(100% - 250px);
	box-sizing: border-box;
}
.videoList span.chem17 {
	margin-right: 8px;
	vertical-align: top;
	display: inline-block;
	margin-top: 13px;
	line-height: 1;
}
.main .videoList dt a {
	color: #000;
}
.main .videoList dt:hover a {
	color: #ff7500;
}
.main .videoList dd {
	float: right;
	font-size: 14px;
	color: #999;
	width: 245px;
	text-align: right;
}
.main .title {
	height: 75px;
	line-height: 75px;
	font-size: 18px;
	color: #000;
}
.main .title span {
	padding-left: 85px;
	box-sizing: border-box;
	display: inline-block;
}
.main .content span {
	display: inline-block;
	vertical-align: top;
}
.main .title span.price {
	padding-left: 55px;
}
.main .title span.dataTime {
	padding-left: 50px;
}
.main .name {
	width: 625px;
}
.main .price {
	width: 280px;
}
.main .company {
	width: 415px;
}
.main .dataTime {
	width: 194px;
}
.main .content {
	font-size: 16px;
	color: #666;
}
.main .content li {
	height: 40px;
	line-height: 40px;
	overflow: hidden;
}
.main .content li span {
	margin-right: 8px;
}
.main .content li:nth-child(2n+1) {
	background-color: #f8f8f8;
}
.main .content li:nth-child(2n) {
	height: 55px;
	line-height: 55px;
}
.main .content li:nth-child(2n) .name,.main .content li:nth-child(2n) .price,.main .content li:nth-child(2n) .company ,.main .content li:nth-child(2n) .dataTime {
	background-position: 12px 20px;
}
.main .content li:nth-child(2n) .name:hover {
	background-position: 12px 20px;
}
.main .content li .name a {
	color: #000;
}
.main .content li .price {
	font-size: 14px;
}
.main .content li .price b {
	color: #fe1200;
	font-weight: normal;
}
.main .content li .price b span {
	margin-right: 0;
}
.main .content li .dataTime {
	font-size: 14px;
}
.main .content li .name:hover a {
	color: #ff7500;
}

.newspages {
	height: 40px;
	clear: both;
	margin: 0 auto;
	padding: 2px 0;
	text-align: center;
	font: normal 14px/40px "Tahoma";
	margin-top: 30px;
}
.newspages a {
	width: 40px;
	height: 38px;
	display: inline-block;
	border: 1px solid #e6e6e6;
	border-left: 0;
	text-align: center;
	font: normal 14px/38px "Tahoma";
	color: #666666;
	vertical-align: middle;
	background-color: #fff;
}
.newspages a.ft {
	border-left: 1px solid #e6e6e6;
	border-right: 0;
	background: url(https://www.chem17.com/images/company/companyList.png) no-repeat -56px -530px #fff;
}
.newspages a.next {
	margin-right: 15px;
	background: url(https://www.chem17.com/images/company/companyList.png) no-repeat 15px -530px #fff;
}
.newspages a.prev {
	width: 68px;
	background: url(https://www.chem17.com/images/company/companyList.png) no-repeat 8px -467px #fff;
	border-left: 1px solid #e6e6e6;
}
.newspages a.lt{ width: 68px; background: #fff url(https://www.chem17.com/images/company/companyList.png) no-repeat 8px -497px; }
.newspages a.on{background: #4285f4;border: 1px solid #4285f4;border-left: 0;color: #fff;font-weight: bold;}
.newspages input {
	width: 38px;
	height: 38px;
	display: inline-block;
	text-align: center;
	border: 1px solid #e6e6e6;
	font: normal 14px/38px "Tahoma";
	margin: 0 10px;
	vertical-align: middle;
	background-color: transparent;
}
.newspages button{ width: 52px; height: 40px; display: inline-block; text-align: center; border: 1px solid #e6e6e6; font:normal 14px/40px "Tahoma"; vertical-align: middle; cursor: pointer; background: url(https://www.chem17.com/images/company/companyList.png) no-repeat 0 -386px; }
.Lista {
	margin-top: 22px;
	overflow: hidden;
	margin-bottom: 22px;
}
.Lista a {
	float: left;
	width: calc(100% / 9);
	height: 46px;
	line-height: 46px;
	text-align: center;
	font-size: 16px;
	color: #666;
	background-color: #ebfadb;
}
.Lista a:nth-child(2) {
	background-color: #fcede0;
}
.Lista a:nth-child(3),.Lista a:nth-child(7) {
	background-color: #ece4fd;
}
.Lista a:nth-child(4),.Lista a:nth-child(6) {
	background-color: #e4eefc;
}
.Lista a:nth-child(5),.Lista a:nth-child(8) {
	background-color: #fcf8e0;
}
.Lista a:nth-child(9) {
	background-color: #fbe2e9;
}
.footer {
	background-color: #242a37;
	padding: 40px 0;
}
.foot{
	margin: 0 auto;
	overflow: hidden;
}
.foot-nav {
	width: 570px;
	float: left;
}
.foot-txt {
	overflow: hidden;
	padding: 15px 0 0 0;
}
.foot-txt li {
	width: 14%;
	float: left;
	font-size: 14px;
	line-height: 30px;
	height: 30px;
	overflow: hidden;
}
.foot-txt li a{
	color: #999;
}
.foot-txt li a:hover{
	color: #4385f5;
}
.copyright {
	color: #999;
	padding: 15px 0;
	text-align: center;
	background-color: #1b1f29;
	font-size: 14px;
}
.copyright a {
	color: #999;
}
.copyright a:hover {
	color: #ff6600;
}
.foot-img {
	overflow: hidden;
	width: calc(100% + 20px);
	background: url('../../../../Images/Index/Version/2020/copyright.png') no-repeat 0 0;
	background-size: auto 100%;
	margin-top: 12px;
}
.foot-img li {
	width: 83px;
	height: 33px;
	float: left;
	margin-right: 8px;
}
.foot-img li a{
	display: block;
	height: 33px;
	color: #333;
	border-radius: 3px;
	overflow: hidden;
}
.police{
	text-align: left;
	color: #888888;
	margin-top: 12px;
	line-height: 20px;
}

.police img {
	display: inline-block;
	margin-right: 10px;
	vertical-align: top;
}

.police a {
	color: #888888;
}
.hot-line {
	width: 293px;
	height: 256px;
	padding-top: 10px;
	float: left;
	margin-left: 200px;
	color: #999;
}
.hot-line i{
	font-size: 66px;

}
.hot-line p{
	font-size: 14px;
	line-height: 28px;
}
.hot-line p a{
	display: inline-block;
	width: 18px;
	height: 21px;
	vertical-align: top;
	margin-top: 3px;
	background: url("https://www.chem17.com/images/Index/2019/main.png") no-repeat 100% -223px;
}
.hot-line span {
	display: block;
	font-size: 13px;
	line-height: 36px;
}
.hot-line > b {
	display: block;
	font-size: 30px;
	color: #fff;
	margin-top: 20px;
}
.qr-code {
	float: right;
	padding-top: 10px;
}
.qr-code li{
	float: left;
	padding: 0 0 0 40px;
}
.foot h2 {
	color: #999;
	font-size: 18px;
	height: 30px;
	font-weight: bold;
}
.foot h2 b {
	border-bottom: 3px solid #387ee8;
	height: 30px;
	display: inline-block;
}
.qr-code h2 {
	padding-left: 40px;
}
.qr-code ul {
	margin-top: 28px;
}
.qr-code li span {
	display: block;
	width: 144px;
	height: 144px;
	background-color: #fff;
}
.qr-code li span img{
	width: 100%;
	height: 100%;
}
.qr-code li p {
	text-align: center;
	font-size: 14px;
	color: #999;
	margin-top: 16px;
}
.foot-nav p {
	font-size: 14px;
	color: #999;
	line-height: 30px;
}
.foot-nav p a {
	color: #999;
}
.foot-nav p a img {
	margin-left: 8px;
}
.foot-nav p a:hover {
	color: #f90;
}
.foot-img {
	overflow: hidden;
	width: calc(100% + 20px);
	background: url('https://www.chem17.com/Images/Index/Version/2020/copyright.png') no-repeat 0 0;
	background-size: auto 100%;
	margin-top: 12px;
}
.foot-img li {
	width: 83px;
	height: 33px;
	float: left;
	margin-right: 8px;
}
.foot-img li a{
	display: block;
	height: 33px;
	color: #333;
	border-radius: 3px;
	overflow: hidden;
}
.right-bar {
	position: fixed;
	right: 0;
	top: 50%;
	transform: translateY(-50%);
	white-space: nowrap;
	z-index: 99;
}
.right-bar li {
	margin-top: 5px;
	position: relative;
	right: 0;
	padding-top: 60px;
}
.right-bar li .bar-top {
	width: 60px;
	height: 60px;
	line-height: 60px;
	overflow: hidden;
	font-size: 16px;
	position: absolute;
	right: 0;
	top: 0;
	background-color: #4385f5;
	z-index: 99;
}
.right-bar li .bar-top i {
	font-size: 32px;
	margin: 0 15px;
	display: inline-block;
	vertical-align: top;
}
.right-bar li .bar-top a {
	color: #fff;
	display: block;
}
.right-bar li .bar-bot {
	width: 0;
	height: 0;
	box-sizing: border-box;
}
.right-bar li .bar-bot .image {
	padding: 0 20px;
}
.right-bar li .bar-bot p {
	font-size: 14px;
	line-height: 40px;
	color: #fff;
	text-align: center;
}
.right-bar li.hover {
	padding-top: 0;
}
.right-bar li.hover .bar-top {
	width: 168px;
	height: auto;
	position: relative;
}
.right-bar li.hover .bar-bot {
	width: 100%;
	height: auto;
}

.publicbox {
	overflow: hidden;
	background-color: #fff;
	padding: 85px;
	text-align: center;
}
.publicbox .ct-3 {
	display: inline-block;
	margin-right: 30px;
}
.publicbox .ct-9 {
	display: inline-block;
}
.lostproab {
	color: #999;
	line-height: 28px;
	font-size: 16px;
	margin-top: 15px;
}
.lostproab i {
	color: #ff9600;
	font-style: normal;
	font-weight: bold;
}
.lostpro span {
	font: 24px/34px "Microsoft Yahei";
	color: #333;
}
.lostpro p{font: 12px/24px "\5b8b\4f53";color: #767676;}
.lostpro ul{font: 12px/24px "\5b8b\4f53";color: #767676;}
.lostpro ul li{background: url("/images/caigouSearch.png") no-repeat -143px -30px;padding-left: 12px;}

.tips-box {
	width: 508px;
	height: 260px;
	position: fixed;
	top: 50%;
	margin-top: -130px;
	left: 50%;
	margin-left: -255px;
	z-index: 999;
	background: #fff;
	box-shadow: 0 0 10px #ddd;
	border: 1px solid #cacaca;
}

.tips-box a.close {
	position: absolute;
	right: 16px;
	top: 14px;
	width: 23px;
	height: 23px;
	background: url("http://www.chem17.com/NewShowStand/Style/14/Images/Blue/close.png") center center no-repeat;
}

.tips-box .correct .tips, .tips-box .err .tips {
	position: absolute;
	top: 78px;
	left: 90px;
	width: 100%;
	height: 52px;
	padding: 9px 0 9px 90px;
	font: bold 24px/52px "microsoft yahei";
}

.tips-box .correct .tips i, .tips-box .err .tips i {
	height: 70px;
	width: 70px;
	position: absolute;
	left: 0;
	top: 0;
	background: url("http://www.chem17.com/NewShowStand/Style/14/Images/Blue/tips-icon.png") 0 0 no-repeat;
}

.tips-box .correct .btn, .tips-box .err .btn {
	position: absolute;
	top: 198px;
	left: 0;
	width: 100%;
	text-align: center;
}

.tips-box .correct .btn a, .tips-box .err .btn a {
	display: inline-block;
	width: 150px;
	height: 32px;
	font: normal 14px/32px "microsoft yahei";
	color: #474747;
	border: 2px solid #0f9732;
	border-radius: 2px;
	margin: 0 12px;
}

.tips-box .correct .btn a:hover, .tips-box .err .btn a:hover {
	background: #0f9732;
	color: #fff;
}

.tips-box .err .tips {
	font: bold 18px/26px "microsoft yahei";
}

.tips-box .err .tips i {
	background: url("http://www.chem17.com/NewShowStand/Style/14/Images/Blue/tips-icon.png") 0 bottom no-repeat;
}

.tips-box .err .btn {
	top: 180px;
}

.tips-box .err .btn a {
	width: 80px;
}

@media only screen and (min-width: 1025px) and (max-width:1199px){

	.w{
		width: 998px;
	}
	.nav .menu-top a i {
		font-size: 10px;
		margin: 18px 0 0 8px;
	}
	.nav li .menu-bot {
		top: 46px;
	}
	.nav li .menu-bot p a {
		height: 44px;
		font-size: 15px;
		line-height: 44px;
	}
	.header ul li {
		padding: 0 2px;
	}
	.header .left ul li a {
		padding: 0 1px;
	}
	.headerNav p {
		width: 998px;
	}
	.header {
		font-size: 12px;
	}
	.header--drop {
		font-size: 12px;
	}
	.header .left ul li:first-child a {
		padding: 0 7px;
	}
	.header .right li {
		padding: 0 8px;
	}
	.header--drop ul li a {
		padding: 0 8px;
	}
	.header .right {
		margin-right: 155px;
	}
	.headerNav {
		padding: 16px 0;
	}
	.headerNav p {
		font-size: 12px;
	}
	.headerNav p a {
		padding: 0 8px;
	}
	.headerNav p a::after {
		height: 13px;
	}
	.top .logo {
		height: 48px;
	}
	.main .left {
		width: 718px;
		margin-right: 15px;
	}
	.main {
		margin-top: 15px;
	}
	.right-adv {
		width: 265px;
		margin-top: 12px;
	}
	.search {
		width: 340px;
		margin-left: 38px;
		margin-top: 10px;
		height: 30px;
	}
	.selectTop p {
		font-size: 12px;
		line-height: 16px;
		text-indent: 8px;
		margin-top: 8px;
	}
	.selectTop i {
		top: 5px;
		right: 6px;
		border-width: 4px 4px 0 4px;
	}
	.searchSelect {
		width: 76px;
		height: 30px;
	}
	.search input {
		width: calc(100% - 76px - 65px);
		height: 30px;
		font-size: 12px;
		text-indent: 8px;
	}
	.search button {
		height: 34px;
		width: 66px;
		font-size: 12px;
	}
	.search button i {
		margin-right: 5px;
		margin-top: 2px;
		font-size: 12px;
	}
	.nav li a {
		padding: 0 23px;
		font-size: 14px;
	}
	.top {
		padding-bottom: 20px;
	}
	.nav {
		height: 46px;
		line-height: 46px;
	}
	.nav li::after {
		top: 17px;
		height: 12px;
	}
	.main .videoList dd {
		font-size: 12px;
		width: 175px;
	}
	.videoList span.chem17 {
		margin-right: 3px;
		margin-top: 13px;
		font-size: 12px;
	}
	.videoList dt span.chem17 {
		font-size: 14px;
	}
	.main .videoList dt {
		font-size: 14px;
		width: calc(100% - 175px);
	}
	.main .videoList dl {
		padding: 0 5px;
	}
	.Lista a {
		height: 40px;
		line-height: 40px;
		font-size: 14px;
	}
	.main .name {
		width: 364px;
	}
	.main .price {
		width: 170px;
	}
	.main .dataTime {
		width: 180px;
	}
	.main .company {
		width: 240px;
	}
	.main .content {
		font-size: 14px;
	}
	.main .title {
		height: 50px;
		line-height: 40px;
		font-size: 16px;
	}
	.foot-img li {
		width: 55px;
		height: 22px;
		margin-right: 5px;
	}
	.foot-nav p {
		font-size: 12px;
		line-height: 24px;
	}
	.footer {
		min-width: 1060px;
		padding: 40px 0 0 0;
	}
	.foot-nav {
		width: 400px;
	}
	.hot-line > b {
		font-size: 26px;
	}
	.hot-line span {
		font-size: 12px;
		line-height: 24px;
	}
	.qr-code {
		padding-top: 10px;
	}
	.foot-txt li{
		font-size: 12px;
	}
	.hot-line {
		width: 223px;
		margin-left: 100px;
		height: 235px;
	}
	.hot-line p{
		font-size: 12px;
	}
	.qr-code li{
		padding: 0 0 0 20px;
	}
	.qr-code li span {
		width: 120px;
		height: 120px;
	}
	.qr-code li p{
		font-size: 12px;
	}
	.course-list li .item p {
		font-size: 14px;
		line-height: 20px;
		height: 40px;
		margin-top: 7px;
	}
	.interview--hot ul li {
		margin-top: 12px;
	}
	.qr-code h2 {
		padding-left: 20px;
	}
	.qr-code li span {
		width: 101px;
		height: 101px;
	}
	.footer {
		padding: 27px 0 0;
	}

}
@media only screen and (min-width: 1200px) and (max-width:1399px){
	.w{
		width: 1188px;
	}
	.nav .menu-top a i {
		font-size: 10px;
		margin: 18px 0 0 8px;
	}
	.nav li .menu-bot {
		top: 46px;
	}
	.nav li .menu-bot p a {
		height: 44px;
		font-size: 15px;
		line-height: 44px;
	}
	.Lista a {
		height: 40px;
		line-height: 40px;
		font-size: 14px;
	}
	.header .left {
		font-size: 12px;
	}
	.header {
		font-size: 12px;
	}
	.header--drop {
		font-size: 12px;
	}
	.header--drop ul li.mobile a i {
		width: 8px;
	}
	.header--drop ul li a i {
		width: 12px;
	}
	.header .right li {
		padding: 0 10px;
	}
	.headerNav p {
		width: 1260px;
	}
	.header .right li {
		padding: 0 8px;
	}
	.header--drop ul li a {
		padding: 0 8px;
	}
	.header .right {
		margin-right: 152px;
	}
	.header .left ul li:first-child a {
		padding: 0 10px;
	}
	.headerNav p {
		font-size: 13px;
	}
	.headerNav p a {
		padding: 0 12px;
	}
	.headerNav p {
		width: 1188px;
	}
	.header .left ul li:first-child a {
		padding: 0 7px;
	}
	.header .right li {
		padding: 0 8px;
	}
	.header--drop ul li a {
		padding: 0 8px;
	}
	.header .right {
		margin-right: 152px;
	}
	.headerNav {
		padding: 16px 0;
	}
	.headerNav p {
		font-size: 13px;
	}
	.headerNav p a {
		padding: 0 8px;
	}
	.headerNav p a::after {
		height: 13px;
	}
	.top .logo {
		height: 56px;
	}
	.main .left {
		width: 888px;
		margin-right: 20px;
	}
	.main {
		margin-top: 15px;
	}
	.right-adv {
		width: 280px;
		margin-top: 16px;
	}
	.search {
		width: 440px;
		margin-left: 50px;
		margin-top: 13px;
		height: 34px;
	}
	.selectTop p {
		font-size: 12px;
		line-height: 21px;
		text-indent: 8px;
		margin-top: 7px;
	}
	.selectTop i {
		top: 8px;
		right: 6px;
		border-width: 4px 4px 0 4px;
	}
	.searchSelect {
		width: 76px;
		height: 38px;
	}
	.search input {
		width: calc(100% - 76px - 72px);
		height: 34px;
		font-size: 12px;
		text-indent: 8px;
	}
	.search button {
		height: 38px;
		width: 75px;
		font-size: 14px;
	}
	.search button i {
		margin-right: 7px;
		margin-top: 3px;
		font-size: 14px;
	}
	.nav li a {
		padding: 0 33px;
		font-size: 15px;
	}
	.top {
		padding-bottom: 20px;
	}
	.nav {
		height: 46px;
		line-height: 46px;
	}
	.nav li::after {
		top: 18px;
	}
	.main .videoList dd {
		width: 215px;
	}
	.main .videoList dt {
		width: calc(100% - 218px);
	}
	.main .company {
    	width: 295px;
    }
	.main .name {
		width: 448px;
	}
	.main .price {
		width: 205px;
	}
	.footer {
		min-width: 1260px;
	}
	.foot-nav {
		width: 540px;
	}
	.foot-img li {
		width: 78px;
		height: 31px;
		margin-right: 7px;
	}
	.foot-img li a {
		height: 31px;
	}
	.hot-line {
		width: 275px;
		margin-left: 62px;
	}
	.qr-code li {
		padding: 0 0 0 30px;
	}
	.interview--hot ul li {
		margin-top: 12px;
	}
	.qr-code li span {
		width: 114px;
		height: 114px;
	}
	.qr-code h2 {
		padding-left: 30px;
	}
}
@media only screen and (min-width: 1400px) and (max-width:1599px){
	.w{
		width: 1260px;
	}
	.nav li .menu-bot {
		top: 52px;
	}
	.Lista a {
		height: 40px;
		line-height: 40px;
		font-size: 14px;
	}
	.header .left {
		font-size: 12px;
	}
	.header {
		font-size: 12px;
	}
	.header--drop {
		font-size: 12px;
	}
	.header--drop ul li.mobile a i {
		width: 8px;
	}
	.header--drop ul li a i {
		width: 12px;
	}
	.header .right li {
		padding: 0 10px;
	}
	.headerNav p {
		width: 1260px;
	}
	.header .right li {
		padding: 0 8px;
	}
	.header--drop ul li a {
		padding: 0 8px;
	}
	.header .right {
		margin-right: 152px;
	}
	.header .left ul li:first-child a {
		padding: 0 10px;
	}
	.headerNav p {
		font-size: 13px;
	}
	.headerNav p a {
		padding: 0 12px;
	}
	.top .logo {
		height: 60px;
	}
	.main .left {
		width: 940px;
		margin-right: 20px;
	}
	.right-adv {
		width: 300px;
	}
	.search {
		width: 470px;
		margin-left: 50px;
		margin-top: 12px;
		height: 38px;
	}
	.selectTop p {
		font-size: 13px;
		line-height: 24px;
		text-indent: 8px;
		margin-top: 7px;
	}
	.searchSelect {
		width: 82px;
		height: 38px;
	}
	.search input {
		width: calc(100% - 88px - 82px);
		height: 38px;
		font-size: 14px;
	}
	.search button {
		height: 42px;
		width: 88px;
		font-size: 15px;
	}
	.search button i {
		margin-right: 7px;
		margin-top: 3px;
		font-size: 14px;
	}
	.nav li a {
		padding: 0 35px;
		font-size: 16px;
	}
	.top {
		padding-bottom: 20px;
	}
	.nav {
		height: 52px;
		line-height: 52px;
	}
	.main .videoList dd {
		width: 215px;
	}
	.main .videoList dt {
		width: calc(100% - 218px);
	}
	.main .company {
    	width: 295px;
    }
	.main .name {
		width: 515px;
	}
	.main .price {
		width: 205px;
	}
	.footer {
		min-width: 1260px;
	}
	.foot-nav {
		width: 540px;
	}
	.foot-img li {
		width: 78px;
		height: 31px;
		margin-right: 7px;
	}
	.foot-img li a {
		height: 31px;
	}
	.hot-line {
		width: 275px;
		margin-left: 100px;
	}
	.qr-code li {
		padding: 0 0 0 30px;
	}
	.interview--hot ul li {
		margin-top: 12px;
	}
	.qr-code li span {
		width: 114px;
		height: 114px;
	}
	.qr-code h2 {
		padding-left: 30px;
	}
}
@media only screen and (min-width: 1600px) and (max-width:1919px){
	.w{
		width: 1420px;
	}
	.headerNav p {
		width: 1420px;
	}
	.top .logo {
		height: 68px;
	}
	.main .left {
		width: 1057px;
	}
	.right-adv {
		width: 335px;
	}
	.search {
		width: 500px;
		margin-left: 70px;
	}
	.nav li a {
		padding: 0 40px;
	}
	.top {
		padding-bottom: 25px;
	}
	.main .right .hot-video li p {
		margin-top: 16px;
		font-size: 16px;
		height: 16px;
	}
	.main .time {
		line-height: 36px;
		height: 36px;
		margin-top: 12px;
		padding-left: 15px;
		font-size: 13px;
	}
	.main .time i {
		margin-right: 7px;
	}
	.main .price {
		width: 260px;
	}
	.main .company {
		width: 330px;
	}
	.main .name {
		width: 585px;
	}


	.hot-line {
		margin-left: 160px;
	}

}
@media only screen and (min-width:1920px){
	.w{
		width: 1560px;
	}
}
@media only screen and (max-width:1024px){
	.w{
		width: 998px;
	}
	.nav .menu-top a i {
		font-size: 10px;
		margin: 18px 0 0 8px;
	}
	.nav li .menu-bot {
		top: 46px;
	}
	.nav li .menu-bot p a {
		height: 44px;
		font-size: 15px;
		line-height: 44px;
	}
	.header ul li {
		padding: 0 2px;
	}
	.header .left ul li a {
		padding: 0 1px;
	}
	.headerNav p {
		width: 998px;
	}
	.header {
		font-size: 12px;
	}
	.header--drop {
		font-size: 12px;
	}
	.header .left ul li:first-child a {
		padding: 0 7px;
	}
	.header .right li {
		padding: 0 8px;
	}
	.header--drop ul li a {
		padding: 0 8px;
	}
	.header .right {
		margin-right: 155px;
	}
	.headerNav {
		padding: 16px 0;
	}
	.headerNav p {
		font-size: 12px;
	}
	.headerNav p a {
		padding: 0 8px;
	}
	.headerNav p a::after {
		height: 13px;
	}
	.top .logo {
		height: 48px;
	}
	.main .left {
		width: 718px;
		margin-right: 15px;
	}
	.main {
		margin-top: 15px;
	}
	.right-adv {
		width: 265px;
		margin-top: 12px;
	}
	.search {
		width: 340px;
		margin-left: 38px;
		margin-top: 10px;
		height: 30px;
	}
	.selectTop p {
		font-size: 12px;
		line-height: 16px;
		text-indent: 8px;
		margin-top: 8px;
	}
	.selectTop i {
		top: 5px;
		right: 6px;
		border-width: 4px 4px 0 4px;
	}
	.searchSelect {
		width: 76px;
		height: 30px;
	}
	.search input {
		width: calc(100% - 76px - 65px);
		height: 30px;
		font-size: 12px;
		text-indent: 8px;
	}
	.search button {
		height: 34px;
		width: 66px;
		font-size: 12px;
	}
	.search button i {
		margin-right: 5px;
		margin-top: 2px;
		font-size: 12px;
	}
	.nav li a {
		padding: 0 33px;
		font-size: 14px;
	}
	.top {
		padding-bottom: 20px;
	}
	.nav {
		height: 46px;
		line-height: 46px;
	}
	.nav li::after {
		top: 17px;
		height: 12px;
	}
	.main .videoList dd {
		font-size: 12px;
		width: 175px;
	}
	.videoList span.chem17 {
		margin-right: 3px;
		margin-top: 13px;
		font-size: 12px;
	}
	.videoList dt span.chem17 {
		font-size: 14px;
	}
	.main .videoList dt {
		font-size: 14px;
		width: calc(100% - 175px);
	}
	.main .videoList dl {
		padding: 0 5px;
	}
	.Lista a {
		height: 40px;
		line-height: 40px;
		font-size: 14px;
	}
	.main .name {
		width: 364px;
	}
	.main .price {
		width: 170px;
	}
	.main .dataTime {
		width: 180px;
	}
	.main .company {
		width: 240px;
	}
	.main .content {
		font-size: 14px;
	}
	.main .title {
		height: 50px;
		line-height: 40px;
		font-size: 16px;
	}
	.foot-img li {
		width: 55px;
		height: 22px;
		margin-right: 5px;
	}
	.foot-nav p {
		font-size: 12px;
		line-height: 24px;
	}
	.footer {
		min-width: 1060px;
		padding: 40px 0 0 0;
	}
	.foot-nav {
		width: 400px;
	}
	.hot-line > b {
		font-size: 26px;
	}
	.hot-line span {
		font-size: 12px;
		line-height: 24px;
	}
	.qr-code {
		padding-top: 10px;
	}
	.foot-txt li{
		font-size: 12px;
	}
	.hot-line {
		width: 223px;
		margin-left: 100px;
		height: 235px;
	}
	.hot-line p{
		font-size: 12px;
	}
	.qr-code li{
		padding: 0 0 0 20px;
	}
	.qr-code li span {
		width: 120px;
		height: 120px;
	}
	.qr-code li p{
		font-size: 12px;
	}
	.course-list li .item p {
		font-size: 14px;
		line-height: 20px;
		height: 40px;
		margin-top: 7px;
	}
	.interview--hot ul li {
		margin-top: 12px;
	}
	.qr-code h2 {
		padding-left: 20px;
	}
	.qr-code li span {
		width: 101px;
		height: 101px;
	}
	.footer {
		padding: 27px 0 0;
	}
}