/* CSS Reset */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 16px;
  font: inherit;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  vertical-align: baseline;
  transition: all 0.5s ease-in-out;
  box-sizing: border-box;
  /* Ensure padding and borders are included in element sizes */
}
/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
body {
  line-height: 1;
}
ol,
ul {
  list-style: none;
}
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
a {
  text-decoration: none;
  transition: all 0.5s ease-in-out;
}
/* Custom Styles */
body {
  background: white;
  color: black;
  font-family: Arial, sans-serif;
}
.swiper-pagination-bullet-active {
  background-color: #103b46 !important;
  width: 16px!important;
  border-radius: 4px!important;
}
.mian-width {
  width: 1336px;
}
/* 头部 */
header {
  width: 100%;
  position: fixed;
  z-index: 9999999;
  background: #ffffff;
  top: 0;
  left: 0;
  border-bottom: 1px solid #e8e8e8;
}
.nav-wrap {
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100px;
}
.nav-logo a {
  display: block;
}
.nav-logo a img {
  height: 36px;
  width: 120px;
}
.nav-box {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.nav-box ul.nav-list {
  width: 600px;
  display: flex;
  justify-content: flex-end;
  margin-right: 40px;
}
.nav-box ul.nav-list li {
  margin-right: 40px;
}
.nav-box ul.nav-list li a {
  display: block;
  font-size: 18px;
  color: #333333;
  padding: 5px 0;
  transition: all 0.5s;
}
.nav-box ul.nav-list li a:hover {
  color: #d60000;
  font-weight: 700;
}
.nav-box ul.nav-list li a.active {
  color: #d60000;
  font-weight: 700;
  border-bottom: 3px solid #d60000;
}
.nav-info {
  height: 80px;
  text-align: right;
}
.nav-info .nav-lang {
  height: 32px;
  width: 60px;
  border-radius: 2px;
  background-color: #e8e8e8;
  text-align: center;
  line-height: 32px;
  font-size: 14px;
  display: inline-block;
  cursor: pointer;
}
.nav-info .nav-lang:hover {
  background-color: #333333;
  color: #ffffff;
  font-weight: 700;
}
.nav-info .nav-tel {
  margin-top: 12px;
}
.nav-info .nav-tel a {
  display: flex;
  align-items: center;
  color: #333333;
  font-size: 16px;
  font-weight: 500;
}
.nav-info .nav-tel a i {
  font-size: 28px;
  margin-right: 6px;
}
.nav-info .nav-tel a:hover {
  color: #d60000;
}
.banner-box {
  margin-top: 100px;
  background: url(../images/index-banner.jpg) no-repeat center 0;
  height: 724px;
  background-size: cover;
  display: flex;
  align-items: center;
}
.banner-box .banner-mian {
  width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.banner-box .banner-mian h1 {
  font-size: 48px;
  font-weight: 700;
  color: #ffffff;
}
.banner-box .banner-mian h1 span {
  color: #d60000;
}
.banner-box .banner-mian p {
  color: #ffffff;
  margin-top: 36px;
  font-size: 16px;
  line-height: 32px;
}
.banner-box .banner-mian a {
  width: 240px;
  margin: 60px auto 0;
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 24px;
  background-color: #d60000;
  color: #ffffff;
}
.banner-box .banner-mian a i {
  font-size: 24px;
  margin-left: 20px;
}
.banner-box .banner-mian a:hover {
  background: #b00000;
}
.box-title {
  font-size: 48px;
  text-align: center;
  font-weight: 700;
  margin-bottom: 60px;
}
.sec-1 {
  margin: 80px auto 0;
}
.sec1-mian {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}
.sec1-mian li {
  width: 334px;
  padding: 40px;
  text-align: center;
  position: relative;
}
.sec1-mian li:before {
  position: absolute;
  content: "";
  height: 120px;
  width: 1px;
  background: #e8e8e8;
  right: 0;
  top: 40px;
}
.sec1-mian li:last-child:before {
  display: none;
}
.sec1-mian li img {
  width: 48px;
}
.sec1-mian li h4 {
  margin-top: 40px;
  font-size: 20px;
  font-weight: 700;
}
.sec1-mian li p {
  margin-top: 20px;
  color: #666666;
  line-height: 28px;
}
.sec1-mian li:hover {
  background-color: #f7f7f7;
}
.sec-2 {
  margin: 80px auto 0;
}
.sec-2-mian {
  margin-top: 60px;
  display: flex;
  justify-content: space-between;
}
.sec-2-mian li {
  width: 400px;
}
.sec-2-mian li h4 {
  font-size: 20px;
  font-weight: 700;
  margin: 20px 0;
}
.sec-2-mian li h4 span {
  color: #d60000;
}
.sec-2-mian li p {
  line-height: 28px;
  color: #666666;
}
.sec-2-mian li a {
  width: 48px;
  height: 48px;
  text-align: center;
  border-radius: 24px;
  line-height: 48px;
  display: block;
  border: 1px solid #e8e8e8;
  color: #333333;
  float: right;
}
.sec-2-mian li a i {
  font-size: 28px;
}
.sec-2-mian li a:hover {
  border: 1px solid #d60000;
  background-color: #d60000;
  color: #ffffff;
}
.sec-lg {
  height: 1020px;
  background: url(../images/index-footer.jpg) no-repeat 0 0;
  background-size: cover;
  margin-top: 80px;
}
.sec-3 {
  margin: 0 auto 100px;
}
.sec-3 .box-title {
  color: #ffffff;
  padding-top: 80px;
}
.sec-3 ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.sec-3 ul li {
  cursor: pointer;
  width: 300px;
  height: 120px;
  color: #ffffff;
  text-align: center;
  line-height: 120px;
  font-size: 20px;
  background-color: rgba(255, 255, 255, 0.15);
  margin-bottom: 40px;
}
.sec-3 ul li:hover {
  background-color: rgba(214, 0, 0, 0.38);
  font-weight: 700;
}
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 60px;
}
.ft-box {
  margin: 0 auto;
  display: flex;
}
.ft-left {
  margin-right: 100px;
  width: 300px;
}
.ft-left img {
  width: 180px;
}
.ft-left p {
  margin-top: 40px;
  color: #cacaca;
  line-height: 28px;
}
.ft-rt {
  flex: 1;
  display: flex;
  justify-content: space-between;
}
.ft-rt .ft-list h1 {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  position: relative;
  height: 40px;
}
.ft-rt .ft-list h1:before {
  position: absolute;
  content: "";
  height: 3px;
  width: 40px;
  background-color: #d60000;
  left: 0;
  bottom: 0;
}
.ft-rt .ft-list ul li a {
  display: block;
  padding: 10px 0;
  color: #cacaca;
}
.ft-rt .ft-list ul li a:hover {
  color: #d60000;
}
.ft-bt {
  margin-top: 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: #cacaca;
  padding-top: 30px;
}
.subtit-box {
  height: 80px;
  border-bottom: 1px solid #e8e8e8;
}
.subtit-box h1 {
  font-size: 24px;
  font-weight: 700;
}
.subtit-info {
  margin-top: 16px;
}
.subtit-info a {
  color: #d60000;
}
.subtit-info a:hover {
  text-decoration: underline;
}
.subtit-info i {
  margin: 0 8px ;
  font-size: 16px;
}
.subtit-info span {
  color: #333;
}
.down-box {
  margin-top: 16px;
}
.down-box ul {
  margin-top: 40px;
}
.down-box ul .down-list {
  background-color: #f7f7f7;
  border: 1px solid #e8e8e8;
  margin-bottom: 40px;
}
.down-box ul .down-list h1 {
  font-size: 18px;
  height: 40px;
  padding: 0 16px;
  line-height: 40px;
  background-color: #d60000;
  color: #ffffff;
  font-weight: 700;
}
.down-box ul .down-list-info {
  display: flex;
}
.down-box ul .down-list-info img {
  width: 200px;
}
.down-box ul .down-list-info .down-detial {
  padding: 30px;
}
.down-box ul .down-list-info .down-detial h4 {
  font-size: 18px;
  font-weight: 700;
}
.down-box ul .down-list-info .down-detial ol {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
}
.down-box ul .down-list-info .down-detial ol li {
  width: 50%;
  line-height: 28px;
  color: #666666;
  list-style: circle;
}
.down-box ul .down-list-info .down-detial a {
  margin-top: 20px;
  display: inline-block;
  padding: 10px 16px;
  background-color: #333;
  color: #ffffff;
}
.down-box ul .down-list-info .down-detial a:hover {
  background-color: #b00000;
}
.tips-box {
  font-size: 16px;
  color: #666666;
}
.about-bn {
  height: 310px;
  background: #000000 url(../images/about-banner.jpg) no-repeat 0 0;
  background-size: cover;
}
.about-bn .banner-mian {
  width: 1336px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 310px;
}
.about-bn .banner-mian h4 {
  color: #ffffff;
  font-size: 24px;
}
.sec-about1 {
  padding-top: 80px;
  height: 700px;
  background: url(../images/about-2.jpg) no-repeat center bottom;
}
.sec-about1 .mian-width {
  margin: 0 auto;
}
.tit-2 h4 {
  font-size: 40px;
  font-weight: 700;
}
.tit-2 p {
  color: #cbcbcb;
  font-size: 32px;
  margin-top: 10px;
}
.about-info {
  display: flex;
  justify-content: end;
}
.about-text {
  width: 50%;
}
.about-text dl dd {
  line-height: 28px;
  color: #666666;
  margin-bottom: 15px;
}
.about-text dl dt {
  margin-top: 50px;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}
.sec-about2 {
  margin: 80px auto;
  height: 420px;
  background: url(../images/about-3.jpg) no-repeat 0 0;
}
.sec-about2 ul {
  margin-top: 40px;
}
.sec-about2 ul li {
  color: #666666;
  line-height: 40px;
}
.sup-bn {
  background: url(../images/sup-1.jpg) no-repeat 0 0;
}
.sup-bn .mian-width {
  margin: 0 auto;
  height: 350px;
  display: flex;
  align-items: center;
}
.sup-bn .mian-width h4 {
  color: #ffffff;
  font-size: 40px;
  letter-spacing: 10px;
}
.sec-sup {
  width: 1336px;
  margin: 80px auto 0;
}
.sec-sup dl {
  margin-top: 50px;
}
.sec-sup dl dt {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.sec-sup dl dd {
  color: #666666;
  margin-top: 12px;
}
.sup-lgtitle {
  margin-bottom: 20px;
}
.sup-lgtitle p {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 10px;
}
.sup-lgtitle span {
  display: inline-block;
  height: 4px;
  width: 80px;
  background: #d60000;
}
.product-detial {
  text-align: center;
}
.product-detial img {
  width: 800px;
}