<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">body,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
li,
dl,
dt,
dd,
ol,
p,
input,
select,
option,
textarea,
button {
  margin: 0;
  padding: 0;
  font-family: 'Microsoft YaHei';
  font-weight: normal;
}
ul,
li,
ol,
dl,
dt,
dd {
  list-style: none;
}
input,
button,
select,
textarea {
  border: none;
  background: none;
  outline: none;
}
textarea {
  resize: none;
}
img {
  border: none;
  vertical-align: middle;
  outline: none;
}
a {
  text-decoration: none;
  outline: none;
}
a:link,
a:visited,
a:hover,
a:active {
  outline: none;
  text-decoration: none;
}
em,
i,
u {
  font-style: normal;
}
b,
strong {
  font-weight: normal;
}
@reset ();
nav {
  width: 100%;
  background: #fff;
  height: 66px;
  overflow: hidden;
  border-bottom: 2px solid #e2e5e7;
}
nav ul {
  overflow: hidden;
}
nav li {
  float: left;
  font-size: 16px;
  line-height: 70px;
  height: 66px;
  margin-right: 2px;
  padding-left: 6px;
  padding-right: 20px;
}
nav li:hover a,
nav li.cur a {
  color: #29b5e6;
  border-bottom: 3px solid #29b5e6;
  padding-bottom: 8px;
}
nav li a {
  color: #444;
}
.csdn-toolbar .container {
  display: none;
  max-width: 1170px;
  padding-left: 15px;
  padding-right: 15px;
}
@media (min-width: 992px) {
  .csdn-toolbar .container {
    display: block;
    width: 970px;
  }
}
@media (min-width: 1200px) {
  .csdn-toolbar .container {
    width: 1170px;
  }
}
body {
  background: #edeeef;
  font-size: 16px;
  color: #666;
}
embed {
  display: block;
  margin: 20px auto;
  box-shadow: 0 10px 10px 0;
}
img {
  width: 100%;
}
.container {
  padding-right: 40px;
  padding-left: 40px;
  width: 960px;
}
.item:after {
  content: " ";
  display: block;
  clear: both;
}
.items:after {
  content: "";
  display: block;
  clear: both;
}
h2 {
  text-align: center;
  margin-bottom: 23px;
}
h2 span {
  font-size: 34px;
  color: #1a66a4;
  line-height: 1;
}
h2:before,
h2:after {
  content: "";
  width: 328px;
  height: 1px;
  background: #95c7ed;
  display: inline-block;
  margin-bottom: 10px;
}

h2 .decol {
  display: inline-block;
  width: 9px;
  height: 5px;
  background: #95c7ed;
  opacity: 0.7;
  position: relative;
  margin-left: -8px;
  margin-bottom: 8px;
  margin-right: 28px;
}
h2 .decol:before,
h2 .decol:after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 5px;
  background: #69eff6;
  opacity: 0.7;
  position: absolute;
  left: 14px;
  top: -6px;
}
h2 .decol:after {
  background: #8aa9cd;
  left: 15px;
  top: 6px;
}
h2 .decor {
  display: inline-block;
  width: 9px;
  height: 5px;
  background: #95c7ed;
  opacity: 0.7;
  position: relative;
  margin-left: 28px;
  margin-bottom: 8px;
  margin-right: -7px;
}
h2 .decor:before,
h2 .decor:after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 5px;
  background: #69eff6;
  opacity: 0.7;
  position: absolute;
  left: -14px;
  top: -6px;
}
h2 .decor:after {
  background: #8aa9cd;
  left: -15px;
  top: 6px;
}
.mod .container {
  background: #fff;
  margin-bottom: 20px;
  padding-top: 48px;
  border: 1px solid #e2e5e7;
}
.brief {
  font-size: 14px;
  line-height: 24px;
  color: #7f919e;
  overflow: hidden;
}
.brief h3 {
  margin-top: -6px;
}
.banner {
  background: url("../images/banner_bg.jpg") center center repeat-y;
}
.banner .container {
  width: 1338px;
  padding: 0;
}
.btn-group {
  text-align: center;
  width: 100%;
  margin-top: 20px;
}
.btn-group .btn {
  background: #fff;
  border-radius: 20px;
  color: #29b5e6;
  padding-left: 40px;
  padding-right: 40px;
  border: 1px solid #29b5e6;
  font-size: 18px;
  float: none;
}
.btn-group .btn:hover {
  color: #fff;
  background: #29b5e6;
}
.totop {
  position: fixed;
  right: 20px;
  width: 182px;
  top: 494px;
  transition: top 1s;
}
.totop .header,
.totop footer {
  background: #29b5e6;
  padding: 6px;
  position: relative;
}
.totop .header:before,
.totop footer:before,
.totop .header:after,
.totop footer:after {
  content: "";
  width: 4px;
  height: 9px;
  background: #108dc4;
  position: absolute;
  bottom: -6px;
  left: 40px;
}
.totop .header:after,
.totop footer:after {
  left: 138px;
}
.totop .header .container,
.totop footer .container {
  border: 1px solid #bfe9f8;
  width: auto;
  padding: 15px 6px 18px 6px;
}
.totop .header h2,
.totop footer h2 {
  font-size: 14px;
  color: #fff;
  line-height: 1;
  font-weight: bold;
  margin: 0;
  text-align: center;
}
.totop .header h2:before,
.totop footer h2:before,
.totop .header h2:after,
.totop footer h2:after {
  display: none;
}
.totop .header img,
.totop footer img {
  margin: 12px auto;
  width: auto;
  display: block;
}
.totop .header p,
.totop footer p {
  font-size: 14px;
  line-height: 1;
  margin-bottom: 8px;
  color: #fff;
  text-align: center;
}
.totop .header p:last-of-type,
.totop footer p:last-of-type {
  margin-bottom: 0;
}
.totop footer {
  padding-top: 5px;
  margin-top: 10px;
}
.totop footer:before,
.totop footer:after {
  bottom: 0;
  top: -5px;
}
.totop footer .container {
  padding: 0;
}
.totop footer li {
  height: 32px;
  border-bottom: 1px solid #54c4eb;
  text-align: center;
  line-height: 32px;
}
.totop footer li:hover {
  background: #21a1ce;
}
.totop footer li:last-child a {
  font-weight: bold;
  color: #fd0;
}
.totop footer a {
  color: #fff;
  font-size: 14px;
  width: 100%;
  display: inline-block;
}
.totop .trigger {
  height: 38px;
  margin-top: 5px;
  padding: 5px;
  text-align: center;
  background: #29b5e6;
}
.totop .trigger a {
  display: block;
  border: 1px solid #bfe9f8;
  padding-left: 9px;
  height: 28px;
  font-size: 14px;
  line-height: 28px;
  background: url("../images/arr.png") 42px 10px no-repeat;
  color: #fff;
}
.state2 {
  top: 100px;
  transition: top 1s;
}
.hr {
  width: calc(100% - 24px);
  height: 1px;
  margin: 8px auto;
  background: #95c7ed;
  position: relative;
}
.hr:before,
.hr:after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: -2px;
  width: 12px;
  height: 5px;
  background: #95c7ed;
}
.hr:after {
  content: "";
  left: auto;
  right: 0;
}
</pre></body></html>