/* reset */
html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
div,
dl,
dt,
dd,
ul,
ol,
li,
p,
blockquote,
pre,
hr,
figure,
table,
caption,
th,
td,
form,
fieldset,
legend,
input,
button,
textarea,
menu {
  margin: 0;
  padding: 0;
}
header,
footer,
section,
article,
aside,
nav,
hgroup,
address,
figure,
figcaption,
menu,
details {
  display: block;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
caption,
th {
  text-align: left;
  font-weight: normal;
}
html,
body,
fieldset,
img,
iframe,
abbr {
  border: 0;
}
i,
cite,
em,
var,
address,
dfn {
  font-style: normal;
}
[hidefocus],
summary {
  outline: 0;
}
li {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6,
small {
  font-size: 100%;
}
sup,
sub {
  font-size: 83%;
}
pre,
code,
kbd,
samp {
  font-family: inherit;
}
q:before,
q:after {
  content: none;
}
textarea {
  overflow: auto;
  resize: none;
}
label,
summary {
  cursor: default;
}
a,
button {
  cursor: pointer;
}
h1,
h2,
h3,
h4,
h5,
h6,
em,
strong,
b {
  font-weight: bold;
}
del,
ins,
u,
s,
a,
a:hover {
  text-decoration: none;
}
body,
textarea,
input,
button,
select,
keygen,
legend {
  font: 12px/1.14 arial, \5b8b\4f53;
  color: #333;
  outline: 0;
  font-family: system, -apple-system, BlinkMacSystemFont, PingFang SC, Segoe UI, Microsoft YaHei, wenquanyi micro hei, Hiragino Sans GB, Hiragino Sans GB W3, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, Helvetica, Arial, sans-serif;
}
body {
  background: #fafafa;
}
a,
a:hover {
  color: #333;
}
.f-cb:after,
.f-cbli li:after {
  display: block;
  clear: both;
  visibility: hidden;
  height: 0;
  overflow: hidden;
  content: ".";
}
.f-cb,
.f-cbli li {
  zoom: 1;
}
.f-ib {
  display: inline-block;
  *display: inline;
  *zoom: 1;
}
.f-dn {
  display: none;
}
.f-db {
  display: block;
}
.f-fl {
  float: left;
}
.f-fr {
  float: right;
}
.f-pr {
  position: relative;
}
.f-prz {
  position: relative;
  zoom: 1;
}
.f-oh {
  overflow: hidden;
}
.f-ff0 {
  font-family: arial, \5b8b\4f53;
}
.f-fs1 {
  font-size: 12px;
}
.f-fs2 {
  font-size: 14px;
}
.f-fwn {
  font-weight: normal;
}
.f-fwb {
  font-weight: bold;
}
.f-tal {
  text-align: left;
}
.f-tac {
  text-align: center;
}
.f-tar {
  text-align: right;
}
.f-taj {
  text-align: justify;
  text-justify: inter-ideograph;
}
.f-vam,
.f-vama * {
  vertical-align: middle;
}
.f-wsn {
  word-wrap: normal;
  white-space: nowrap;
}
.f-pre {
  overflow: hidden;
  text-align: left;
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-all;
}
.f-wwb {
  white-space: normal;
  word-wrap: break-word;
  word-break: break-all;
}
.f-ti {
  overflow: hidden;
  text-indent: -30000px;
}
.f-ti2 {
  text-indent: 2em;
}
.f-lhn {
  line-height: normal;
}
.f-tdu,
.f-tdu:hover {
  text-decoration: underline;
}
.f-tdn,
.f-tdn:hover {
  text-decoration: none;
}
.f-toe {
  overflow: hidden;
  word-wrap: normal;
  white-space: nowrap;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}
.f-toe2 {
  display: block;
  display: -webkit-box;
  margin: 0 auto;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}
.f-toe3 {
  display: block;
  display: -webkit-box;
  margin: 0 auto;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}
.f-csp {
  cursor: pointer;
}
.f-csd {
  cursor: default;
}
.f-csh {
  cursor: help;
}
.f-csm {
  cursor: move;
}
.f-usn {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}
.f-full {
  width: 100%;
  height: 100%;
  display: block;
}
.ym-content {
  width: 1200px;
  margin: 0 auto;
}
.ym-banner {
  width: 100%;
  margin: 0 auto;
  min-width: 1200px;
  max-width: 1920px;
  overflow: hidden;
  position: relative;
  height: 620px;
}
.ym-banner img {
  position: relative;
  width: 1920px;
  height: 620px;
  left: 50%;
  top: 0;
  display: block;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
}
.ym-nav {
  -webkit-box-shadow: 0px 1px 8px 0px rgba(6, 0, 1, 0.15);
  box-shadow: 0px 1px 8px 0px rgba(6, 0, 1, 0.15);
}
.ym-nav .ym-nav-wrap {
  text-align: center;
  font-size: 0;
}
.ym-nav .item {
  display: inline-block;
  width: 160px;
  margin: 0 90px;
  line-height: 88px;
  height: 88px;
}
.ym-nav .item a {
  display: block;
  font-size: 30px;
}
.ym-nav .item.active {
  position: relative;
}
.ym-nav .item.active::before {
  content: "";
  display: block;
  width: 120px;
  height: 4px;
  background-color: #d92400;
  position: absolute;
  left: 50%;
  bottom: 0;
  margin-left: -60px;
}
.ym-paging {
  text-align: center;
}
.ym-paging .wrap {
  display: inline-block;
  line-height: 60px;
  font-size: 20px;
}
.ym-paging .wrap a {
  font-size: 20px;
}
.ym-paging .wrap a:hover {
  color: #d92400;
}
.ym-paging .wrap .num {
  margin: 0 20px;
}
.ym-header .ym-header-wrap {
  height: 120px;
}
.ym-header .ym-header-wrap .logo {
  float: left;
  line-height: 120px;
  font-size: 0;
}
.ym-header .ym-header-wrap .logo a {
  display: inline-block;
  vertical-align: middle;
}
.ym-header .ym-header-wrap .logo img {
  width: 188px;
  height: 40px;
  display: block;
}
.ym-header .ym-header-wrap .nav {
  float: right;
}
.ym-header .ym-header-wrap .nav .nav-item {
  display: inline-block;
  line-height: 120px;
  text-align: right;
}
.ym-header .ym-header-wrap .nav .nav-item a {
  font-size: 16px;
  display: inline-block;
  line-height: 40px;
  height: 40px;
  vertical-align: middle;
  padding: 0 10px;
  margin: 0 18px;
}
.ym-header .ym-header-wrap .nav .nav-item a:hover {
  color: #d92400;
}
.ym-header .ym-header-wrap .nav .nav-item.active a {
  color: #d92400;
}
.ym-header .oper {
  position: absolute;
  right: 20px;
  top: 50%;
  display: none;
  margin-top: -20px;
  height: 40px;
  width: 40px;
  overflow: hidden;
  cursor: pointer;
  -webkit-transition: all 0.3s;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
}
.ym-header .oper .line {
  width: 40px;
  height: 4px;
  background-color: #999;
  position: absolute;
  -webkit-transition: all 0.3s;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
}
.ym-header .oper .line1 {
  top: 0;
  left: 0;
}
.ym-header .oper .line2 {
  top: 18px;
  left: 0;
}
.ym-header .oper .line3 {
  bottom: 0;
  left: 0;
}
.ym-header .oper.open {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
.ym-header .oper.open .line1 {
  top: 18px;
}
.ym-header .oper.open .line2 {
  display: none;
}
.ym-header .oper.open .line3 {
  left: 0;
  top: 18px;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  -o-transform: rotate(90deg);
  transform: rotate(90deg);
}
.ym-header .fixed-nav {
  display: none;
}
.ym-footer {
  background: url(../img/footer-bg.png) repeat;
  height: 300px;
  width: 100%;
  max-width: 1920px;
  min-width: 1200px;
  border-top: 4px solid #d92400;
  margin: 0 auto;
}
.ym-footer .link {
  height: 200px;
  position: relative;
  border-bottom: 1px solid #746a5f;
}
.ym-footer .ym-footer-links {
  float: left;
  overflow: hidden;
  position: absolute;
  left: 0;
  bottom: 20px;
}
.ym-footer .ym-footer-links li {
  float: left;
  line-height: 18px;
  height: 18px;
  border-left: 1px solid #746a5f;
}
.ym-footer .ym-footer-links li:first-child {
  border-left: 0;
}
.ym-footer .ym-footer-links li.tag {
  color: #746a5f;
  font-size: 16px;
  border-right: 0;
}
.ym-footer .ym-footer-links li a {
  color: #746a5f;
  font-size: 16px;
  display: block;
  width: 120px;
  text-align: center;
  -webkit-transition: color 0.4s;
  -o-transition: color 0.4s;
  -moz-transition: color 0.4s;
  transition: color 0.4s;
}
.ym-footer .ym-footer-links li a:hover {
  color: #fff;
}
.ym-footer .ym-footer-code {
  position: absolute;
  right: 0;
  bottom: 20px;
  text-align: center;
  font-size: 0;
}
.ym-footer .ym-footer-code .code-item {
  display: inline-block;
  width: 110px;
  margin-left: 10px;
}
.ym-footer .ym-footer-code .code-item img {
  width: 110px;
  height: 110px;
  display: block;
}
.ym-footer .ym-footer-code .code-item .text {
  font-size: 14px;
  color: #746a5f;
  line-height: 30px;
}
.ym-footer .map .ym-footer-map {
  padding-top: 26px;
  text-align: center;
  margin-bottom: 16px;
}
.ym-footer .map .ym-footer-map li {
  display: inline-block;
  line-height: 18px;
  height: 18px;
  border-right: 1px solid #746a5f;
}
.ym-footer .map .ym-footer-map li:last-child {
  border-right: 0;
}
.ym-footer .map .ym-footer-map li a {
  color: #746a5f;
  font-size: 16px;
  display: block;
  width: 120px;
  text-align: center;
  -webkit-transition: color 0.4s;
  -o-transition: color 0.4s;
  -moz-transition: color 0.4s;
  transition: color 0.4s;
}
.ym-footer .map .ym-footer-map li a:hover {
  color: #fff;
}
.ym-footer .map .ym-footer-copyright {
  text-align: center;
}
.ym-footer .map .ym-footer-copyright span {
  display: inline-block;
  margin: 0 10px;
  font-size: 14px;
  line-height: 18px;
  color: #746a5f;
}
.ym-footer .map .ym-footer-copyright span a {
  color: #746a5f;
  font-size: 14px;
}