@charset "UTF-8";

body {
  min-width: 1000px;
  font-size: 12px;
}
.wrap {
  width: 1000px;
}

.top-bar {
  border-bottom: 2px #e20000 solid;
}

.top-bar-login,
.top-bar-login-after {
  line-height: 30px;
  font: 12px/30px simsun;
}

.top-bar-login-after {
  display: none;
}

.top-bar .ofw-logo {
  margin-top: 2px;
}

.top-bar-login>.signin {
  display: inline-block;
  background: #e20000;
  height: 24px;
  width: 50px;
  border-radius: 2px;
  text-align: center;
  margin-top: 3px;
  line-height: 24px;
}

.top-bar-login>.signin>a {
  color: #fff;
}

.top-bar-login a,
.top-bar-login-after a {
  color: #333;
}

.top-bar-login a:hover,
.top-bar-login-after a:hover {
  text-decoration: underline;
}

.top-bar-login i {
  font-style: normal;
  color: #666;
}

.top-bar-login>.email {
  padding-left: 24px;
  display: inline-block;
  background: url(../images/ico_email.png) no-repeat left;
}

.nav-layout .wrap,
.top-bar .wrap {
  width: 1000px;
}
/* 顶部 导航 */
.nav-layout {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 60px;
  background-color: #016aa9;
  z-index: 9;
}
.nav-layout .wrap {
  position: relative;
}
.nav_text {
  font-size: 14px;
  color: #fff;
  line-height: 60px;
}
.nav-layout .nav {
  margin-right: 15px;
  margin-left: 100px;
}

.nav-layout .nav .nav-item,
.nav-layout .nav .toSponsor {
  margin-left: 25px;
  font-size: 0;
  height: 60px;
  line-height: 60px;
}
.nav-layout .nav .nav-item:first-child {
  margin-left: 0;
}

.nav-layout .nav .nav-item a,
.nav-layout .nav .toSponsor a {
  display: inline-block;
  font: 18px/60px Microsoft YaHei;
  color: #fff;
  cursor: pointer;
}

.nav-layout .nav .nav-item.active a {
  color: #ffea3d;
}

.nav-layout .toSponsor a {
  display: inline-block;
  height: 32px;
  padding: 0 21px;
  line-height: 30px !important;
  font-size: 18px;
  color: #fff;
  background-color: #f1000c;
  border-radius: 10px;
  vertical-align: middle;
}

.nav-layout.active {
  position: fixed;
  top: 0px;
  z-index: 10;
}

/* banner */
.banner-layout {
  position: relative;
  height: 640px;
  padding-top: 60px;
}
.banner_swiper {
  position: relative;
  width: 100%;
  height: 640px;
  overflow: hidden;
  color: #000;
  font-size: 20px;
}
.banner_swiper .swiper-slide {
  width: 100%;
  height: 640px;
}
.banner_swiper .swiper-slide1 {
  
  background: url("../images/banner5.png?v=20200310") no-repeat center top;
}
.banner_swiper .swiper-slide2 {
  background: url("../images/banner6.png?v=20200310") no-repeat center top;
}
.banner_content {
  position: relative;
  height: 100%;
}
.banner_time {
  position: absolute;
  left: 0;
  top: 311px;
  width: 660px;
  height: 30px;
  font-size: 0;
  line-height: 30px;
}
.swiper-slide2 .banner_time {
  left: 335px;
  top: 335px;
  width: auto;
}
.banner_time img {
  display: inline-block;
  vertical-align: middle;
  margin-right: 10px;
}
.banner_time span {
  display: inline-block;
  font-size: 24px;
  color: #333;
  vertical-align: middle;
}
.banner_act {
  position: absolute;
  top: 465px;
  left: 0;
}
.swiper-slide1 .banner_act p {
  position: relative;
  margin-bottom: 10px;
  padding-left: 85px;
}
.swiper-slide1 .banner_act p i {
  position: absolute;
  left: 0;
  top: 4px;
  width: 77px;
  height: 21px;
  font-size: 14px;
  color: #fff;
  line-height: 21px;
  text-indent: 3px;
  font-style: normal;
  background: url(../images/banner_danwei.png) no-repeat;
}
.banner_act p span {
  font-size: 16px;
  color: #000;
  line-height: 21px;
}
.swiper-slide2 .banner_act {
  top: 573px;
  left: 0;
  width: 1000px;
  height: 50px;
  font-size: 0;
  text-align: center;
}
.swiper-slide2 .banner_act p {
  display: inline-block;
  font-size: 14px;
  color: #fff;
  line-height: 50px;
  margin: 0 20px;
}

.banner_btn {
  position: absolute;
  left: 0;
  top: 399px;
  width: 213px;
  height: 45px;
}
.swiper-slide2 .banner_btn {
  left: 532px;
  top: 328px;
  width: 213px;
  height: 45px;
  font-size: 0;
}

.countdown {
  position: absolute;
  left: 50%;
  top: 18px;
  margin-left: -14px;
  font-size: 0;
  color: #000;
  z-index: 3;
}
#countdown{
  display: inline-block;
}
.countdown p {
  display: inline-block;
  font-size: 14px;
  margin-right: 10px;
}
.countdown li {
  display: inline-block;
  width: 92px;
  margin-right: 12px;
  font-size: 18px;
  text-align: center;
}
.countdown li span {
  display: inline-block;
  font-size: 34px;
  margin-right: 2px;
}



/* title */
.mian-title {
  position: relative;
  background: url("../images/title_bg.png") no-repeat center 35px;
  margin: 45px 0 30px;
}

.mian-title > h2 {
  font-size: 40px;
  color: #000;
  line-height: 1;
  text-align: center;
  font-weight: 500;
}
.mian-title > h3 {
  font-size: 14px;
  color: #666;
  line-height: 1;
  text-align: center;
  font-weight: 500;
  padding-top: 5px;
}
.mian-title2 {
  background: url("../images/title_bg2.png") no-repeat center 35px;
}
.mian-title2 > h2 {
  color: #fff;
}
.mian-title2 > h3 {
  color: #fff;
}


/* 大会背景 */
.intro {
  position: relative;
  background: #fff;
  overflow: hidden;
}

.intro .text {
  height: 380px;
  padding-right: 375px;
  background: url("../images/intro.png") no-repeat right top;
  margin: 0 0 55px;
}

.intro .text p {
  font-size: 14px;
  color: #333;
  text-indent: 2em;
  line-height: 1.5;
  margin-bottom: 10px;
}

.intro .intro-right-img {
  width: 472px;
  height: 266px;
  margin-top: 35px;
}

.intro_img {
  display: block;
  width: 999px;
  margin: 110px auto 0;
}

/* 大会亮点 */
.lightSpot {
  position: relative;
  height: 757px;
  background: url("../images/light/light_bg.png") no-repeat center top;
  overflow: hidden;
}

.light_swiper {
  position: relative;
  width: 1000px;
  height: 524px;
  margin: 50px auto 0;
  background: url("../images/light/light_bg2.png") no-repeat center top;
}
.light_swiper_img {
  position: absolute;
  right: 40px;
  top:50px;
  width: 180px;
  height: 168px;
}

.lightSpot .light-text {
  width: 700px;
  height: 248px;
  padding-top: 45px;
  padding-left: 40px;
}
.lightSpot .light-text > li {
  display: none;
  color: #000;
}
.lightSpot .light-text > li.active {
  display: block;
}
.lightSpot .light-text > li > p.light-text1 {
  position: relative;
  font-size: 0;
}
.lightSpot .light-text > li > p.light-text1::after {
  position: absolute;
  left: 42px;
  bottom: -10px;
  content: '';
  width: 80px;
  height: 3px;
  background: #0e6eb8;
}
.lightSpot .light-text > li > p.light-text1 span {
  display: inline-block;
  font-size: 24px;
  line-height: 32px;
  vertical-align: middle;
}
.lightSpot .light-text > li > p.light-text1 i {
  display: inline-block;
  width: 32px;
  height: 32px;
  margin-right: 10px;
  vertical-align: middle;
}
.lightSpot .light-text > li > p.light-text1 i.light_icon1 {
  background: url(../images/light/small1.png) no-repeat center center;
}
.lightSpot .light-text > li > p.light-text1 i.light_icon2 {
  background: url(../images/light/small2.png) no-repeat center center;
}
.lightSpot .light-text > li > p.light-text1 i.light_icon3 {
  background: url(../images/light/small3.png) no-repeat center center;
}
.lightSpot .light-text > li > p.light-text1 i.light_icon4 {
  background: url(../images/light/small4.png) no-repeat center center;
}
.lightSpot .light-text > li > p.light-text1 i.light_icon5 {
  background: url(../images/light/small5.png) no-repeat center center;
}
.lightSpot .light-text > li > p.light-text1 i.light_icon6 {
  background: url(../images/light/small6.png) no-repeat center center;
}
.lightSpot .light-text > li > p.light-text2 {
  padding-top: 30px;
  line-height: 1.8em;
  font-size: 16px;
}

.lightSpot .light-tab {
  position: relative;
  height: 174px;
  color: #fff;
}
.light-tab > .spot-item {
  float: left;
  width: 140px;
  height: 159px;
  margin-left: 50px;
  background: url("../images/light/bg_icon1.png") no-repeat center top;
  background-size: 100% 100%;
  overflow: hidden;
  text-align: center;
  font-size: 18px;
  color: #333;
  cursor: pointer;
  line-height: 1.2em;
  transition: all .2s;
}
.light-tab > .spot-item:first-child {
  margin-left: 50px;
}
.light-tab > .spot-item.active {
  background: url("../images/light/bg_icon2.png") no-repeat center top;
  background-size: 100% 100%;
  color: #fff;
}

.light-tab > .spot-item i {
  display: block;
  height: 60px;
  margin-top: 15px;
  transition: all .2s;
}

.light-tab > .spot-item1 i {
  background: url("../images/light/icon1.png") no-repeat center center;
}
.light-tab > .spot-item2 i {
  background: url("../images/light/icon2.png") no-repeat center center;
}
.light-tab > .spot-item3 i {
  background: url("../images/light/icon3.png") no-repeat center center;
}
.light-tab > .spot-item4 i {
  background: url("../images/light/icon4.png") no-repeat center center;
}
.light-tab > .spot-item5 i {
  background: url("../images/light/icon5.png") no-repeat center center;
}
.light-tab > .spot-item6 i {
  background: url("../images/light/icon6.png") no-repeat center center;
}

.light-tab > .spot-item1.active i {
  background: url("../images/light/hover1.png") no-repeat center center;
}
.light-tab > .spot-item2.active i {
  background: url("../images/light/hover2.png") no-repeat center center;
}
.light-tab > .spot-item3.active i {
  background: url("../images/light/hover3.png") no-repeat center center;
}
.light-tab > .spot-item4.active i {
  background: url("../images/light/hover4.png") no-repeat center center;
}
.light-tab > .spot-item5.active i {
  background: url("../images/light/hover5.png") no-repeat center center;
}
.light-tab > .spot-item6.active i {
  background: url("../images/light/hover6.png") no-repeat center center;
}

.pagination1 {
  position: absolute;
  z-index: 2;
  top: 511px;
  width: 100%;
  text-align: center;
}
.swiper-pagination-switch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 8px;
  background: #fff;
  margin: 0 5px;
  opacity: 0.8;
  cursor: pointer;
}
.swiper-active-switch {
  background: #55a1ff;
}
.swiper_prev1 {
  position: absolute;
  left: 390px;
  top: 500px;
  width: 62px;
  height: 37px;
  background: url("../images/light/prev.png") no-repeat center center;
  background-size: 100% auto;
  z-index: 2;
  cursor: pointer;
}
.swiper_next1 {
  position: absolute;
  left: 550px;
  top: 500px;
  width: 62px;
  height: 37px;
  background: url("../images/light/next.png") no-repeat center center;
  background-size: 100% auto;
  z-index: 2;
  cursor: pointer;
}

/* 拟邀嘉宾 */
.guest {
  display: block;
  position: relative;
  overflow: hidden;
  background: #f6f6f6;
  padding-bottom: 80px;
  padding-top: 20px;
}
.guest .wrap {
  position: relative;
}
.guest_prev,
.guest_next {
  position: absolute;
  top: 182px;
  width: 61px;
  height: 61px;
  cursor: pointer;
  border-radius: 61px;
  border: 1px solid #9dbde3;
}
.guest_prev {
  background: url(../images/guest/prev.png) no-repeat center center;
  left: -85px;
}
.guest_next {
  background: url(../images/guest/next.png) no-repeat center center;
  right: -85px;
}
.guest-content {
  padding: 20px 0 0 29px;
}
.guest .guest-item {
  position: relative;
  width: 192px;
  height: 228px;
  margin-right: 58px;
  margin-bottom: 30px;
}
.guest .guest-item:nth-child(4n) {
  margin-right: 0;
}
.guest .guest-item img {
  width: 192px;
  height: 228px;
}
.guest .guest-item .guest-text {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 8px 0;
  color: #fff;
  background: rgba(0, 0, 0, .5);
}
.guest .guest-item .guest-text p {
  font-size: 14px;
  padding: 0 10px;
}
.guest .guest-item .guest-text .name {
  font-size: 20px;
  margin-bottom: 3px;
}
.guest_tip {
  font-size: 12px; 
  color: #666666;
  text-align: right;
  margin-top: 30px;
}

/* 大会日程 */
.schedule {
  position: relative;
  height: 1245px;
  overflow: hidden;
  background: url("../images/yicheng_bg.png") no-repeat center top;
}

.richeng-table {
  width: 1000px;
  margin: 70px auto 0;
  background: #fff;
}
.richeng-table tr td {
  position: relative;
  font-size: 16px;
  color: #000;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 58px;
}
.richeng-table tr:first-child td {
  color: #5086f5;
}
.richeng-table tr td.first {
  text-align: right;
  padding-right: 68px;
  border-right: 2px solid #5086f5;
}
.richeng-table tr td .time_td {
  padding-left: 22px;
  background: url(../images/time_icon.png) no-repeat left center;
}
.richeng-table tr td i {
  position: absolute;
  top: 11px;
  right: -9px;
  width: 16px;
  height: 16px;
  background: url(../images/circle.png) no-repeat;
}
.richeng-table tr td span {
  color: #5086f5;
}
.richeng-hint {
  font-size: 12px;
  color: #333;
  text-align: right;
  padding: 40px 0 25px;
}

/* 产业动态 */
.dynamics {
  position: relative;
  height: 634px;
  overflow: hidden;
  background: url("../images/cydt/bg.png") no-repeat center center;
}
.dynamics_tab {
  width: 525px;
  margin: 35px auto 28px;
  font-size: 0;
  text-align: center;
  border-bottom: 1px solid #fff;
}
.dynamics_tab span {
  position: relative;
  bottom: -1px;
  display: inline-block;
  font-size: 20px;
  color: #fff;
  padding: 0 5px 6px;
  margin: 0 12px;
  user-select: none;
  cursor: pointer;
}
.dynamics_tab span.on {
  border-bottom: 2px solid #f1000c;
}
.dynamics_con {
  width: 1000px;
  height: 385px;
  background: url("../images/cydt/bg2.png") no-repeat center center;
  background-size: 100% 100%;
}
.dynamics_con > div {
  display: none;
}
.dynamics_con_item1 {
  padding: 20px 40px 0;
}
.dynamics_con_item1 .fl {
  width: 440px;
  font-size: 14px;
  color: #000;
  line-height: 1.8;
  padding-top: 25px;
}
.dynamics_con_item1 .fl p {
  text-indent: 2em;
  margin-bottom: 10px;
}
.dynamics_con_item2 {
  padding: 14px 18px 0;
}
.dynamics_con_item2 li {
  position: relative;
  float: left;
  width: 25%;
  height: 173px;
}
.dynamics_con_item2 li i {
  display: block;
  height: 70px;
  margin-top: 40px;
}
.dynamics_con_item2 li:nth-child(1) i {
  background: url(../images/cydt/icon1.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(2) i {
  background: url(../images/cydt/icon2.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(3) i {
  background: url(../images/cydt/icon3.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(4) i {
  background: url(../images/cydt/icon4.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(5) i {
  background: url(../images/cydt/icon5.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(6) i {
  background: url(../images/cydt/icon6.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(7) i {
  background: url(../images/cydt/icon7.png) no-repeat center center;
}
.dynamics_con_item2 li:nth-child(8) i {
  background: url(../images/cydt/icon8.png) no-repeat center center;
}
.dynamics_con_item2 li p {
  font-size: 20px;
  color: #4753dd;
  text-align: center;
}
.dynamics_con_item2 li div {
  position: absolute;
  left: 0;
  top: 0;
  display: none;
  width: 100%;
  height: 100%;
  background: rgba(71, 83, 221, .8);
  padding: 15px;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  font-size: 14px;
  color: #fff;
}
.dynamics_con_item2 li:hover div {
  display: block;
}

.dynamics_prve,
.dynamics_next {
  position: absolute;
  top: 315px;
  width: 63px;
  height: 63px;
  cursor: pointer;
}
.dynamics_prve {
  left: -73px;
  background: url(../images/cydt/prve.png) no-repeat;
}
.dynamics_next {
  right: -73px;
  background: url(../images/cydt/next.png) no-repeat;
}


/* 参会对象 */
.crowd {
  overflow: hidden;
  height: 640px;
  background: url(../images/chqt_bg.png) no-repeat center top;
}
.crowd_list {
  width: 1085px;
  height: 414px;
  margin: 0 auto;
  background: url(../images/chqt_img.png?v=202003101) no-repeat center top;
  overflow: hidden;
}
.crowd_list li {
  padding-left: 560px;
  width: 455px;
  margin-top: 12px;
  overflow: hidden;
}
.crowd_list li:first-child {
  margin-top: 72px;
}
.crowd_list li p {
  font-size: 14px;
  color: #000;
  line-height: 1.5;
}
.crowd_list li p:first-child {
  position: relative;
  padding-left: 16px;
  margin-bottom: 5px;
  font-size: 16px;
  color: #016ba9;
  font-weight: bold;
  line-height: 1;
}
.crowd_list li p:first-child:after {
  position: absolute;
  left: 0;
  top: 4px;
  content: '';
  width: 8px;
  height: 8px;
  background: #016ba9;
}


/* 组织机构 */
.organization {
  position: relative;
  overflow: hidden;
}

.organization_item {
  padding-bottom: 40px;
}
.organization_item_title {
  position: relative;
  width: 1000px;
  margin: 0 auto 25px;
  text-align: center;
}
.organization_item_title span {
  position: relative;
  display: inline-block;
  font-size: 20px;
  color: #376ad9;
  padding: 0 20px;
  background: #fff;
  z-index: 1;
}
.organization_item_title::after {
  position: absolute;
  left: 0;
  top: 50%;
  content: '';
  width: 100%;
  height: 1px;
  background: #dcdcdc;
}
.organization_item ul li {
  font-size: 18px;
  color: #515151;
  text-align: center;
  line-height: 1.5em;
}

/* liucheng */
.liucheng .wrap {
  overflow: hidden;
}
.liucheng .wrap img {
  width: 426px;
  display: block;
  margin: 0 auto 45px;
}
.liucheng .wrap a {
  display: block;
  width: 225px;
  height: 54px;
  font-size: 20px;
  color: #fff;
  text-align: center;
  line-height: 54px;
  background: #f1000c;
  margin: 0 auto 65px;
  user-select: none;
}

/* 合作媒体 */
.logo_swiper {
  width: 1000px;
  height: 170px;
  margin: 0 auto;
  overflow: hidden;
}
.logo_swiper .swiper-slide {
  width: 1000px;
  height: 135px;
  overflow: hidden;
}
.str_wrap {
	overflow:hidden;
	zoom:1;
	width:100%;
	font-size:12px;
	line-height:16px;
	position:relative;
	-moz-user-select: none;
	-khtml-user-select: none;
	user-select: none;  
	background:#f6f6f6;
  white-space:nowrap;
  margin-top: 20px;
}

.str_wrap.str_active {
	background:#f1f1f1;
}
.str_move { 
	white-space:nowrap;
	position:absolute; 
	top:0; 
	left:0;
	cursor:move;
}
.str_move_clone {
	display:inline-block;
	display:inline;
	zoom:1;
	vertical-align:top;
	position:absolute; 
	left:100%;
	top:0;
}
.str_vertical .str_move_clone {
	left:0;
	top:100%;
}
.str_down .str_move_clone {
	left:0;
	bottom:100%;
}
.str_vertical .str_move,
.str_down .str_move {
	white-space:normal;
	width:100%;
}
.str_static .str_move,
.no_drag .str_move,
.noStop .str_move{
	cursor:inherit;
}
.str_wrap img {
  max-width:none !important;	
  width: 164px;
  height: 60px;
  margin: 0 10px 8px 0;
}

/* 联系我们 */
.contact_wrap {
  background: #262626;
  padding-bottom: 50px;
}

.contact_wrap .w_title {
  border-color: #535353;
  margin-top: 30px;
}

.contact_wrap .w_title span {
  background: #313131;
  color: #fff;
}
.contact_title {
  position: relative;
  padding: 50px 0 55px;
  font-size: 0;
  text-align: center;
  color: #fff;
}
.contact_title i {
  position: absolute;
  left: 0;
  top: 66px;
  width: 100%;
  height: 1px;
  background: #fff;
}
.contact_title h3 {
  position: relative;
  display: inline-block;
  font-size: 30px;
  padding: 0 12px;
  line-height: 1;
  background: #262626;
  z-index: 2;
}
.contact_title p {
  font-size: 14px;
  margin-top: 15px;
  line-height: 1;
}

.contact {
  color: #fff;
  font-family: Microsoft Yahei;
  margin-left: 50px;
}

.contact li {
  margin-right: 54px;
  font-size: 16px;
  line-height: 30px;
  margin-bottom: 26px;
}

.contact li strong {
  font-size: 16px;
  font-weight: normal;
  color: #946641;
  margin-right: 18px;
}

.concat {
margin-left: 50px;
font-size: 16px;
color: #fff;
font-family:'Microsoft Yahei';
}
.concat dl+dl {
margin-top: 35px;
}
.concat dl dt {
width: 96px;
height: 78px;
text-align: center;
line-height: 78px;
margin-right: 32px;
background: #0a3974;
  float: left;
  font-size: 0;
}
.concat dl dt::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 100%;
  vertical-align: middle;
}
.concat dl dt span {
  display: inline-block;
  line-height: 1.4;
  vertical-align: middle;
  font-size: 20px;
}
.concat dl dd {
  position: relative;
  font-size: 14px;
  line-height: 25px;
  overflow: hidden;
}
.concat dl dd span {
  color: #ffb400;
  font-size: 16px;
}

.weixin {
  font-family: Microsoft Yahei;
  width: 400px;
  margin-right: 50px;
  text-align: center;
}
.weixin ul {
  margin-top: 25px;
}
.weixin ul li {
  text-align: center;
  width: 175px;
  padding: 20px 0 5px;
  border: solid 1px #3f3f3f;
  text-align: center;
  _display: inline;
}
.weixin ul li p {
  color: #fff;
  padding: 10px 0;
}

/* 锚点 */
.anchor {
  position: absolute;
  top: -45px;
}

/* 交通指引 */
.map {
  position: relative;
  overflow: hidden;
}
.map_wrap {
  position: relative;
  width: 100%;
  height: 397px;
  background: url(../images/map.png) no-repeat center top;
}
.map_wrap > .map_text {
  position: absolute;
  left: 50%;
  top: 140px;
  margin-left: -119px;
  font-size: 14px;
  color: #fff;
  line-height: 1.8em;
}

/* 产业动态 */
.dynamics {
  position: relative;
  height: 837px;
  overflow: hidden;
  background: url("../images/cydt/bg.png?v=20200312") no-repeat center top;
}
.dynamics_ul_box {
  position: relative;
  width: 1000px;
  height: auto;
  margin: 0 auto;
}
.dynamics_ul1,
.dynamics_ul2 {
  width: 1000px;
  margin: 0 auto ;
}
.dynamics ul li {
  position: relative;
  overflow: hidden;
}
.dynamics ul li img {
  width: 100%;
  height: 100%;
}
.dynamics_ul1 li {
  float: left;
  width: 325px;
  height: 373px;
  margin-left: 11px;
}
.dynamics_ul1 li:first-child {
  margin-left: 0;
  width: 663px;
  background: #000;
}
#video {
  width: 663px;
  height: 373px;
}
.dynamics_ul2 li {
  float: left;
  width: 325px;
  height: 208px;
  margin-left: 12px;
  margin-top: 11px;
}
.dynamics_ul2 li:first-child {
  margin-left: 0;
}
.dynamics_text {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 8px 10px;
  font-size: 14px;
  color: #fff;
  line-height: 1.5em;
  background: rgba(0, 0, 0, 0.6);
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
}