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: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* 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;
}
.clear {
  zoom: 1;
}
.clear:after {
  content: '';
  display: block;
  clear: both;
}
html,
body {
  width: 100%;
  font-family: "Arial", "Microsoft YaHei", "黑体", "宋体", "微软雅黑", sans-serif;
}
.wrapper {
  width: 1024px;
  margin: 0 auto;
}
.tac {
  text-align: center;
}
body {
  padding-top: 90px;
}
.header {
  height: 90px;
  line-height: 90px;
  box-sizing: border-box;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #fff;
  z-index: 2;
}
.header .wrapper {
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .wrapper a {
  height: 24px;
  color: #101010;
  font-size: 14px;
  font-family: SourceHanSansSC-regular;
  text-decoration: none;
  padding: 6px 12px;
  box-sizing: border-box;
  transition: 0.3s ease;
  margin-left: 5px;
}
.header .wrapper a:hover,
.header .wrapper a.active {
  border-radius: 15px;
  background-color: #000000;
  color: #ffffff;
}
.home-box {
  min-height: calc(100vh - 90px);
  margin-top: -60px;
  display: flex;
  align-items: center;
}
.home-box .wrapper {
  padding: 0 30px;
  display: flex;
  align-items: center;
}
.home-box .wrapper > div:nth-child(1) {
  margin-right: 60px;
}
.home-box .wrapper > div:nth-child(2) {
  height: 100%;
}
.home-box .wrapper .home-info h3 {
  color: #101010;
  font-size: 45px;
  font-family: SourceHanSansSC-bold;
  line-height: 58px;
}
.home-box .wrapper .home-info p {
  color: #999999;
  font-size: 14px;
  font-family: SourceHanSansSC-regular;
  margin: 20px 0;
}
.home-box .wrapper .home-info a {
  box-sizing: border-box;
  display: inline-block;
  width: 134px;
  height: 46px;
  line-height: 46px;
  border-radius: 4px;
  background-color: #101010;
  color: #fff;
  font-size: 12px;
  font-family: Roboto;
  text-decoration: none;
  padding-left: 15px;
  margin-right: 15px;
}
.home-box .wrapper .home-info a img {
  width: 16px;
  vertical-align: -3px;
}
.project-box {
  margin-top: 80px;
}
.project-box h3 {
  color: #101010;
  font-size: 48px;
  font-family: SourceHanSansSC-bold;
  line-height: 72px;
}
.project-box ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 50px;
}
.project-box ul li {
  width: 306px;
  background-color: #ffffff;
  box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.06);
  margin-bottom: 40px;
  padding: 30px 24px 50px;
  text-align: center;
  box-sizing: border-box;
}
.project-box ul li h4 {
  opacity: 0.9;
  color: #101010;
  font-size: 24px;
  font-family: SourceHanSansSC-bold;
  margin: 24px 0 32px;
}
.project-box ul li p {
  opacity: 0.5;
  color: #101010;
  font-size: 16px;
  font-family: SourceHanSansSC-regular;
  line-height: 24px;
}
.project-box ul img {
  width: 78px;
}
.charm-box {
  color: #101010;
  margin-top: 150px;
}
.charm-box .charm-content {
  display: flex;
}
.charm-box .charm-content ul {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.charm-box .charm-content ul:before {
  content: '';
  position: absolute;
  top: 30px;
  width: 650px;
  height: 650px;
  background-color: #000000;
  text-align: center;
  border-radius: 50%;
}
.charm-box .charm-content ul li {
  position: relative;
  width: 200px;
  line-height: 20px;
  border-radius: 8px;
  background-color: #ffffff;
  text-align: center;
  box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.2);
  margin-top: 30px;
  margin-left: 30px;
  padding: 50px 16px 20px;
}
.charm-box .charm-content ul li:before {
  content: '';
  position: absolute;
  width: 78px;
  height: 78px;
  left: 50%;
  top: 50px;
  margin-left: -39px;
  border-radius: 50%;
  background-color: rgba(255, 58, 48, 0.59);
  z-index: 0;
}
.charm-box .charm-content ul li:nth-child(1),
.charm-box .charm-content ul li:nth-child(3) {
  top: -60px;
}
.charm-box .charm-content ul li h4 {
  opacity: 0.9;
  color: #101010;
  font-size: 24px;
  font-family: SourceHanSansSC-regular;
  margin: 40px 0 20px;
}
.charm-box .charm-content ul li p {
  line-height: 24px;
  opacity: 0.5;
  font-size: 16px;
  font-family: SourceHanSansSC-regular;
}
.charm-box .charm-content ul img {
  width: 78px;
  position: relative;
  z-index: 2;
  top: -10px;
  right: -10px;
}
.charm-box .charm-content > div {
  flex: 0 0 346px;
  margin: 160px 0 0 100px;
}
.charm-box .charm-content > div h3 {
  font-size: 48px;
  line-height: 72px;
  font-family: SourceHanSansSC-bold;
  margin-bottom: 36px;
}
.charm-box .charm-content > div p {
  opacity: 0.5;
  color: #101010;
  font-size: 14px;
  text-align: left;
  line-height: 24px;
  font-family: SourceHanSansSC-regular;
}
.charm-remark {
  margin-top: 30px;
  padding-bottom: 60px;
  padding-top: 90px;
  background-color: #f2f2f2;
}
.charm-remark h3 {
  font-size: 48px;
  font-family: SourceHanSansSC-bold;
  margin-bottom: 28px;
}
.charm-remark p {
  font-size: 14px;
  line-height: 25px;
  font-family: SourceHanSansSC-regular;
  text-indent: 2em;
}
.commentary-box > div {
  padding: 62px 0;
}
.commentary-box > div:nth-child(2n+1) .wrapper {
  flex-direction: row-reverse;
}
.commentary-box > div:nth-child(2n) {
  background-color: #f2f2f7;
}
.commentary-box > div .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.commentary-box > div .wrapper div {
  margin-left: 20px;
}
.commentary-box > div .wrapper img {
  width: 50%;
}
.commentary-box > div .wrapper h3 {
  line-height: 40px;
  color: #101010;
  font-size: 28px;
  margin-bottom: 28px;
}
.commentary-box > div .wrapper p {
  color: #101010;
  font-size: 14px;
  margin-top: 15px;
}
.trial-box {
  background-color: #000;
  color: #fff;
  font-family: Roboto;
  padding: 82px 0 112px;
}
.trial-box h3 {
  font-size: 18px;
  font-family: SourceHanSansSC-regular;
}
.trial-box h2 {
  margin: 28px 0 50px;
  font-size: 60px;
  font-family: SourceHanSansSC-bold;
}
.trial-box a {
  display: inline-block;
  width: 146px;
  height: 48px;
  line-height: 48px;
  border-radius: 24px;
  color: #101010;
  font-size: 20px;
  text-align: center;
  font-family: Microsoft Yahei;
  border: 1px solid #bbbbbb;
  background-color: #fff;
  text-decoration: none;
}
.footer {
  width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 90px 0 50px;
}
.footer h2 {
  color: #222a41;
  font-size: 60px;
  line-height: 88px;
  font-family: SourceHanSansSC-bold;
}
.footer .f-about {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 80px 0;
}
.footer .f-about h3 {
  text-align: right;
  color: #233d63;
  font-size: 34px;
  line-height: 50px;
  font-family: SourceHanSansSC-regular;
}
.footer .f-about ul {
  margin-left: 80px;
}
.footer .f-about li {
  margin-top: 26px;
  text-align: left;
  line-height: 1.4;
}
.footer .f-about li:first-child {
  margin-top: 0;
}
.footer .f-about span {
  display: inline-block;
  min-width: 80px;
}
.footer p {
  color: #999;
  font-size: 14px;
  font-family: SourceHanSansSC-regular;
}