* {
  margin: 0;
  padding: 0;
}

img {
  border: none;
  vertical-align: top;
}

li {
  list-style: none;
}

i,
em {
  font-style: normal;
}

a {
  color: #8f8f8f;
}

body {
  padding-top: 50px;
  font:
    12px/24px tahoma,
    '\5b8b\4f53';
  color: #8f8f8f;
  background: #fff url(https://img.q1cdn.com/lw/images/20200603_main/body_v43.jpg?v=2) no-repeat center 40px;
  font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, HelveticaNeue, Helvetica, 'BBAlpha Sans', sans-serif;
}

.top {
  width: 1280px;
  margin: 0 auto;
  position: relative;
  height: 721px;
}

.logo {
  position: absolute;
  top: 10px;
  left: 0px;
  z-index: 1;
}

.logo img {
  width: 150px;
  height: 125px;
}

.top_video {
  /* width: 99px;
  height: 100px;
  position: absolute;
  right: 798px;
  top: 583px;
  cursor: pointer;
  z-index: 2;
  background: url(https://img.q1cdn.com/lw/images/20200603_main/video_btn.png?v=3); */

  width: 253px;
  height: 82px;
  position: absolute;
  right: 1086px;
  top: 474px;
  cursor: pointer;
  z-index: 2;
  /* background: url(https://img.q1cdn.com/lw/images/20200603_main/bannerBtn.png?v=3); */
}

.server {
  background: url(https://img.q1cdn.com/lw/images/20170215_main/mulitline3.png?v=1) no-repeat 0 -2px;
  width: 237px;
  height: 34px;
  position: absolute;
  overflow: hidden;
  left: 0;
  bottom: 20px;
  margin-left: 0;
}

.server ul {
  position: absolute;
  height: 26px;
  line-height: 26px;
  width: 180px;
  overflow: hidden;
  top: 2px;
  left: 120px;
}

.server li {
  color: #fff;
  font-size: 14px;
}

.server ul span {
  display: inline-block;
  color: #fff;
  width: 36px;
  text-align: center;
  font-size: 14px;
  height: 26px;
  margin-right: 15px;
}

.menu {
  width: 100%;
  height: 65px;
  position: absolute;
  top: 10px;
  left: 130px;
  overflow: hidden;
}

.menu_one {
  margin-top: 17px;
  height: 40px;
}

.menu_one {
  position: relative;
}

.menu_one li {
  float: left;
  display: inline;
  height: 40px;
  text-align: center;
  width: 176px;
}

.menu_one li.menu_list1 {
  border-left: none;
}

/*.menu_list4{margin-left: 160px;}*/
.menu_one li.menu_list6 {
  border-right: none;
}

.menu_one li a {
  display: block;
  font-weight: bold;
  font-size: 14px;
  color: #fff;
}

.menu_one li span {
  display: block;
  color: #fff;
}

.menu_one li a:hover {
  color: #fff;
  text-decoration: none;
}

.menu_tow {
  margin-top: 5px;
}

.menu_tow li {
  float: left;
  display: inline;
  text-align: center;
  width: 176px;
  height: 108px;
}

.menu_tow li span {
  display: block;
  margin-bottom: 1px;
}

.menu_tow li a {
  color: #fff;
  padding: 0 13px;
  line-height: 16px;
  display: inline-block;
  height: 16px;
}

.menu_tow li a:hover {
  color: #fff;
  text-decoration: underline;
}

.nav {
  background: #343e59;
  height: 135px;
}

.nav li {
  overflow: hidden;
  float: left;
  width: 120px;
  display: inline-block;
  height: 67px;
  text-align: center;
  font-size: 13px;
}

.nav li span,
.nav li a:hover span {
  background: url(https://img.q1cdn.com/lw/images/20200603_main/icon.png?v=1);
}

.nav li.nav_1 {
  border-bottom: 1px solid #3f4962;
  border-right: 1px solid #3f4962;
}

.nav li.nav_2 {
  border-bottom: 1px solid #3f4962;
}

.nav li.nav_3 {
  border-right: 1px solid #3f4962;
}

.nav li a {
  display: inline-block;
  color: #fff;
  width: 100%;
  height: 47px;
  padding-top: 20px;
}

.nav li span {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  display: inline-block;
  margin-right: 10px;
}

.nav li.nav_1 span {
  background-position: 0 -27px;
}

.nav li.nav_2 span {
  background-position: -31px -27px;
}

.nav li.nav_3 span {
  background-position: -60px -27px;
}

.nav li.nav_4 span {
  background-position: -89px -27px;
}

.nav li a:hover {
  color: #ffd686;
}

.nav li.nav_1 a:hover span {
  background-position: 0 0;
}

.nav li.nav_2 a:hover span {
  background-position: -31px 0;
}

.nav li.nav_3 a:hover span {
  background-position: -60px 0;
}

.nav li.nav_4 a:hover span {
  background-position: -89px 0;
}

.fast {
  background: #343e59;
  height: 294px;
}

.fast li {
  overflow: hidden;
  width: 120px;
  height: 97px;
  float: left;
  position: relative;
  text-align: center;
}

.fast li span {
  width: 27px;
  height: 26px;
  background: url(https://img.q1cdn.com/lw/images/20200603_main/icon.png?v=1);
  vertical-align: middle;
  display: block;
  margin: 0 auto;
}

.fast li a {
  display: inline-block;
  color: #fff;
  width: 100%;
  padding-top: 30px;
  height: 67px;
}

.fast li:hover a {
  color: #ffd686;
}

.fast li.fast_1 span {
  background-position: 0 -57px;
}

.fast li.fast_2 span {
  background-position: -32px -57px;
}

.fast li.fast_3 span {
  background-position: -61px -57px;
}

.fast li.fast_4 span {
  background-position: -90px -57px;
}

.fast li.fast_5 span {
  background-position: -123px -57px;
}

.fast li.fast_6 span {
  background-position: -151px -57px;
}

.fast li.fast_1:hover span {
  background-position: 0 -90px;
}

.fast li.fast_2:hover span {
  background-position: -32px -90px;
}

.fast li.fast_3:hover span {
  background-position: -61px -90px;
}

.fast li.fast_4:hover span {
  background-position: -90px -90px;
}

.fast li.fast_5:hover span {
  background-position: -123px -90px;
}

.fast li.fast_6:hover span {
  background-position: -151px -90px;
}

.fast li.fast_1 {
  border-right: 1px solid #464f68;
  border-bottom: 1px solid #464f68;
}

.fast li.fast_2 {
  border-bottom: 1px solid #464f68;
}

.fast li.fast_3 {
  border-right: 1px solid #464f68;
  border-bottom: 1px solid #464f68;
}

.fast li.fast_4 {
  border-bottom: 1px solid #464f68;
}

.fast li.fast_5 {
  border-right: 1px solid #464f68;
  height: 87px;
}

.fast li.fast_6 {
  height: 87px;
}

.service {
  height: 291px;
  width: 241px;
  border: 1px solid #e6ebf7;
  background: #fff;
}

.service h2 {
  height: 60px;
  line-height: 60px;
  text-align: center;
  font-size: 20px;
  color: #343e59;
  font-weight: normal;
}

.service ul {
  margin-left: 9px;
}

.service li {
  width: 111px;
  height: 47px;
  border: 1px solid #d9dbe1;
  float: left;
  margin-left: -1px;
  margin-top: -1px;
  text-align: center;
  line-height: 47px;
}

.service li a {
  display: inline-block;
  width: 100%;
  height: 100%;
  font-size: 14px;
  color: #343e59;
  position: relative;
}

.service li a span {
  position: absolute;
  background: url(https://img.q1cdn.com/lw/images/20200603_main/icon.png?v=1) -123px 0;
  width: 9px;
  height: 11px;
  display: block;
  right: 18px;
  top: 9px;
}

.service li a:hover {
  background: #343e59;
  color: #fff;
}

.contact {
  height: 126px;
  width: 229px;
  border: 7px solid #95a3bf;
  background: #354164;
}

.mask_video {
  position: absolute;
  z-index: 9;
  filter: alpha(opacity=80);
  background: #000;
  opacity: 0.8;
  -moz-opacity: 0.8;
  left: 0;
  top: 0;
  width: 100%;
  display: none;
}

.popup_video {
  width: 800px;
  height: 600px;
  position: fixed;
  _position: absolute;
  top: 300px;
  _top: 100px;
  left: 50%;
  margin-left: -400px;
  z-index: 10;
  display: none;
}

.video_close {
  background: url(https://img.q1cdn.com/lw/images/20170215_main/close.png?v=1) no-repeat;
  width: 59px;
  height: 58px;
  position: absolute;
  top: 5px;
  right: -70px;
  z-index: 10;
  cursor: pointer;
}

.video_close:hover {
  transform: rotate(360deg);
  transition: 1s;
}