/* 鍏ㄥ眬 */
html {
  *overflow-x: hidden;
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font: 16px/1.5 "PingFang SC", "Lantinghei SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  overflow-y: scroll;
  overflow-x: scroll;
  background: white;
  color: #333;
  margin: 0;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}

audio,
canvas,
progress,
video {
  display: inline-block;
  vertical-align: baseline;
}

a {
  color: #06273a;
  text-decoration: none;
}

a:hover {
  color: #d74339;
  text-decoration: none;
}

ul,
ol,
dl,
dt,
dd,
li {
  list-style: none;
}

ul {
  margin: 0;
  padding: 0;
}

h2,
h3,
h4,
h5 {
  margin: 0;
}

figure {
  margin: 0;
}

body ::selection {
  color: #fff;
  background-color: #d74339;
  text-shadow: none;
}

body ::-moz-selection {
  color: #fff;
  background-color: #d74339;
  text-shadow: none;
}

/* 閫氱敤 */
.transdelay1 {
  transition: all 0.3s ease-in-out 0s;
  -webkit-transition: all 0.3s ease-in-out 0s;
  -o-transition: all 0.3s ease-in-out 0s;
}

.transdelay1 a {
  transition: all 0.3s ease-in-out 0s;
  -webkit-transition: all 0.3s ease-in-out 0s;
  -o-transition: all 0.3s ease-in-out 0s;
}

.transdelay2 {
  transition: all 0.6s ease-in-out 0s;
  -webkit-transition: all 0.6s ease-in-out 0s;
  -o-transition: all 0.6s ease-in-out 0s;
}

.transdelay2 a {
  transition: all 0.6s ease-in-out 0s;
  -webkit-transition: all 0.6s ease-in-out 0s;
  -o-transition: all 0.6s ease-in-out 0s;
}

.opactran a img {
  filter: alpha(opacity=100);
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=100);
  -moz-opacity: 1.00;
  opacity: 1;
  transition: all 0.3s ease-in-out 0s;
}

.opactran a:hover img {
  filter: alpha(opacity=70);
  filter: progid:DXImageTransform.Microsoft.Alpha(opacity=70);
  -moz-opacity: 0.70;
  opacity: 0.7;
}

/* 閫氱敤缁撴瀯 */
.container {
  width: 1200px;
  margin: 0 auto;
}

.row {
  width: 100%;
  overflow: hidden;
}

.ovfv {
  overflow: visible;
}

/* 椤堕儴 */
header .top_line {
  height: 5px;
  line-height: 0;
  font-size: 0;
  background: #d74339;
}

header .top {
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  min-width: 800px;
}

header .top .host {
  width: 230px;
  height: 165px;
  display: table;
}

header .top .host span {
  color: #cf4f45;
  padding: 0 30px;
  display: table-cell;
  vertical-align: middle;
  font-size: 16px;
}

header .top .logo {
  width: 154px;
  height: 165px;
  line-height: 165px;
}

header .top .logo img {
  vertical-align: middle;
}

header .top .search {
  width: 280px;
  margin: 60px 30px 0 0;
}

header .top .search .searchbox {
  position: relative;
  width: 273px;
  padding: 0px 15px;
  background: url(http://www.qstheory.cn/n8/images/v8_index_20220117_01.png) no-repeat;
}

header .top .search .searchbox input {
  width: 220px;
  background: transparent;
  border: 0;
}

header .top .search .searchbox input[type="submit"] {
  position: absolute;
  right: 40px;
  top: 4px;
  width: 17px;
  height: 17px;
  cursor: pointer;
  background: url(http://www.qstheory.cn/n8/images/v8_index_20200408_03.png) no-repeat;
}

header .top .search .mobile {
  width: 280px;
  margin: 12px 0 0 0;
}

header .top .search .mobile .line {
  float: left;
  width: 30px;
  text-align: center;
  color: #cf4f45;
}

header .top .search .mobile .mblog {
  font-size: 16px;
  color: #cf4f45;
  float: left;
}

header .top .search .mobile .mblog a {
  color: #cf4f45;
}

header .top .search .mobile .mblog img {
  vertical-align: middle;
}

header .top .search .mobile .wechat {
  font-size: 16px;
  color: #cf4f45;
  float: left;
  cursor: pointer;
  position: relative;
}

header .top .search .mobile .wechat img {
  vertical-align: middle;
}

header .top .search .mobile .wechat #wechat_con {
  position: absolute;
  top: 30px;
  left: 0px;
  width: 112px;
  height: 112px;
  display: none;
}

header .top .search .mobile .wechat #wechat_con img {
  width: 112px;
  height: 112px;
}

header .top .search .report {
  margin: 5px 0 0 0;
  text-align: center;
  font-size: 14px;
}

header .top .search .report a {
  color: #cf4f45;
}

header .menu {
  height: 50px;
  background: #d74339;
}

header .menu .content {
  width: 1400px;
  margin: 0 auto;
}

header .menu .content ul {
  overflow: hidden;
}

header .menu .content ul li {
  float: left;
  color: #fff;
  font-size: 20px;
  line-height: 50px;
  padding: 0 20px;
}

header .menu .content ul li img {
  vertical-align: middle;
  padding-bottom: 2px;
}

header .menu .content ul li a {
  color: #fff;
}

header .menu .content ul li a:hover {
  color: #fff;
}

header .menu .content ul #more {
  cursor: pointer;
}

header .menu_more {
  display: none;
  height: 50px;
  background: #be3930;
}

header .menu_more .content {
  width: 1400px;
  margin: 0 auto;
}

header .menu_more .content ul {
  overflow: hidden;
}

header .menu_more .content ul li {
  float: left;
  color: #fff;
  font-size: 20px;
  line-height: 50px;
  padding: 0 20px;
}

header .menu_more .content ul li img {
  vertical-align: middle;
  padding-bottom: 2px;
}

header .menu_more .content ul li a {
  color: #fff;
}

header .menu_more .content ul li a:hover {
  color: #fff;
}

header .menu_more .content ul #more {
  cursor: pointer;
}

@media (max-width:1400px) {
  header .menu .content {
    width: 1000px;
  }

  header .menu .content ul li {
    font-size: 16px;
    padding: 0 11px;
  }

  header .menu_more .content {
    width: 1000px;
  }

  header .menu_more .content ul li {
    font-size: 16px;
    padding: 0 11px;
  }
}

/* 鐐瑰嚮澶嶅埗鍏ㄦ枃 */
.zero-clipboard {}

.zero-clipboard .btn-clipboard {
  color: #348cec;
  width: 100%;
  text-align: center;
  display: block;
  position: absolute;
  bottom: -50px;
  cursor: pointer;
  font: 14px/1.5 "PingFang SC", "Lantinghei SC", "Microsoft YaHei", Helvetica, Arial, sans-serif;
}

@media (max-width: 767px) {
  .zero-clipboard {
    display: none;
  }
}

/* 瑙嗛 */
#videoArea iframe {
  width: 100%;
  height: 460px;
}

@media screen and (min-width:0px) and (max-width: 767px) {
  #videoArea iframe {
    width: 100%;
    height: 200px;
  }
}

.pageVideo {
  width: 638px;
  height: 520px;
}

@media (max-width: 1051px) and (min-width: 992px) {
  .pageVideo {
    width: 617px;
    height: 520px;
  }
}

@media (max-width: 767px) {
  .pageVideo {
    width: 100%;
    height: 200px;
  }
}

/* 棣栭〉閫氱敤 */
.standard {
  display: flex;
  justify-content: space-between;
  flex-flow: row wrap;
}

.standard .content {
  width: 380px;
}

@media (max-width: 1400px) {
  .hidden-sm {
    display: none;
  }
}

.ml12p {
  margin-left: 12px;
}

.mt20p {
  margin-top: 20px;
}

.mt30p {
  margin-top: 30px;
}

.mt40p {
  margin-top: 40px;
}

.mt50p {
  margin-top: 50px;
}

.mt60p {
  margin-top: 60px;
}

.column_name01 {
  height: 55px;
  border-bottom: solid 1px #d74339;
}

.column_name01 .title {
  background: #fff;
  width: auto;
  padding-right: 10px;
  display: inline-block;
  margin: 0;
}

.column_name01 .title span {
  height: 51px;
  font-size: 26px;
  line-height: 51px;
  color: #06273a;
  display: inline-block;
  font-weight: bold;
  font-family: "寰蒋闆呴粦";
  border-bottom: solid 5px #d74339;
}

.column_name01 .title span a {
  color: #06273a;
}


.column_name01 .title .red {
  color: #d74339;
}

.column_name02 {
  height: 40px;
}

.column_name02 .title {
  display: inline-block;
  font-size: 20px;
  color: #06273a;
  line-height: 40px;
  font-weight: bold;
  font-family: "寰蒋闆呴粦";
  border-bottom: solid 5px #d74339;
}

.column_name02 .title a {
  color: #06273a;
}

.column_name03 {
  height: 26px;
  border-bottom: solid 1px #06273a;
}

.column_name03 .title {
  background: #fff;
  width: auto;
  padding-right: 10px;
  display: inline-block;
  margin: 0;
}

.column_name03 .title span {
  height: 26px;
  font-size: 24px;
  line-height: 26px;
  color: #06273a;
  display: inline-block;
  font-weight: bold;
  font-family: "寰蒋闆呴粦";
}

.column_name03 .title span img {
  vertical-align: middle;
  margin-right: 5px;
}

.column_name03 .title span a {
  color: #06273a;
}

.column_name03 .title span a:hover {
  color: #d74339;
}

.column_name04 {
  height: 55px;
  border-bottom: solid 1px #06273a;
}

.column_name04 .title {
  background: #fff;
  width: auto;
  padding-right: 10px;
  display: inline-block;
  margin: 0;
}

.column_name04 .title span {
  height: 51px;
  font-size: 26px;
  line-height: 51px;
  color: #06273a;
  display: inline-block;
  font-weight: bold;
  font-family: "寰蒋闆呴粦";
  border-bottom: solid 5px #06273a;
}

.column_name04 .title span a {
  color: #06273a;
}

.column_name04 .arrow {
  width: 19px;
  height: 16px;
  float: right;
  margin: 20px 0 0 0;
}

.column_name05 {
  height: 44px;
  border-bottom: solid 1px #06273a;
}

.column_name05 .title {
  background: #fff;
  width: auto;
  padding-right: 10px;
  display: inline-block;
  margin: 0;
}

.column_name05 .title span {
  height: 40px;
  font-size: 20px;
  line-height: 40px;
  color: #06273a;
  display: inline-block;
  font-weight: bold;
  padding: 0 10px;
  font-family: "寰蒋闆呴粦";
  border-bottom: solid 5px #06273a;
}

.column_name05 .title span a {
  color: #06273a;
}

.column_name05 .arrow {
  width: 19px;
  height: 16px;
  float: right;
  margin: 16px 0 0 0;
}

/* 搴曢儴 */
.friend_links {
  height: 550px;
  background: url(http://www.qstheory.cn/n8/images/v8_index_20200408_38.png) center no-repeat;
}

.friend_links .logo {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  padding: 20px 0 10px 0;
}

.friend_links .line {
  height: 2px;
  font-size: 0px;
  line-height: 0;
  background: url(http://www.qstheory.cn/n8/images/v8_index_20200408_37.png);
}

.friend_links .list {
  margin: 20px 0;
}

.friend_links .list ul {
  overflow: hidden;
}

.friend_links .list ul li {
  float: left;
  font-size: 14px;
  color: #fff;
  margin: 5px 10px;
}

.friend_links .list ul li a {
  color: #fff;
}

.friend_links .product_link {
  display: flex;
  justify-content: space-between;
}

.friend_links .product_link .content {
  width: 102px;
  margin: 35px 0;
  position: relative;
}

.friend_links .product_link .content .pic {}

.friend_links .product_link .content .pic img {
  width: 100%;
}

.friend_links .product_link .content .pic::before {
  position: absolute;
  top: -110px;
  left: -4px;
  display: none;
}

.friend_links .product_link .content:hover .pic::before {
  display: block;
}

.friend_links .product_link .content .pic::before img {
  width: 100px;
}

.friend_links .product_link .content .qswb::before {
  content: url(http://www.qstheory.cn/n8/images/v8_index_20200608_weibo.png);
}

.friend_links .product_link .content .qswx::before {
  content: url(http://www.qstheory.cn/n8/images/v8_index_20200608_weixin.png);
}

.friend_links .product_link .content .xesx::before {
  content: url(http://www.qstheory.cn/n8/images/v8_index_20200608_xesx.png);
}

.friend_links .product_link .content .wgwb::before {
  content: url(http://www.qstheory.cn/n8/images/v8_index_20200608_hqwb.png);
}

.friend_links .product_link .content .wgwx::before {
  content: url(http://www.qstheory.cn/n8/images/v8_index_20200608_hqwx.png);
}

.friend_links .product_link .content .zztg::before {
  content: url(http://www.qstheory.cn/n8/images/v8_index_20200608_zztg.png);
}

.friend_links .product_link .content .text {
  font-size: 16px;
  color: #fff;
  text-align: center;
  padding-right: 10px;
}

.friend_links .product_link .content .text a {
  color: #fff;
}

.friend_links .copyright {
  font-size: 12px;
  text-align: center;
  color: #fff;
  margin: 20px 0 0 0;
  line-height: 32px;
}

.friend_links .copyright a {
  color: #fff;
}

.aboutus {
  background: #06273a;
  height: 50px;
}

.aboutus .list {}

.aboutus .list ul {
  display: flex;
  justify-content: space-between;
}

.aboutus .list ul li {
  width: 100px;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  line-height: 50px;
}

.aboutus .list ul li a {
  color: #fff;
}