html, body, div {
	margin: 0;
	padding: 0;
}
body {
	font-size: 14px;
	font-family: PingFang SC,Helvetica neue,Helvetica,Tahoma,lantinghei sc,Microsoft Yahei,sans-serif;
	-webkit-font-smoothing: antialiased;
  background: #f3f2f2;
}
a {
	text-decoration: none
}
.container {
  width: 1200px;
  margin: 0 auto;
}
.app-navigation {
  height: 60px;
  border-bottom: 1px solid #f1f1f1;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fff;
}
.app-navigation .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.app-navigation .logo {
  display: flex;
  align-items: center;
}
.app-navigation .logo img {
  height: 40px;
  margin-right: 10px;
}
.app-navigation .logo span {
  font-size: 1.2em;
  font-weight: bold;
}
.app-navigation nav a {
  text-decoration: none;
  margin: 0 15px;
  font-size: 1em;
  color: #333
}
.app-navigation nav a:hover {
  text-decoration: underline;
}

.app-banner {
  height: 400px;
  background: url(./banner.png) no-repeat center #fff4de;
  background-size: contain;
  border-bottom: 1px solid #f2e4ca;
}
.section {
  padding: 140px 0 180px;
  border-bottom: 1px solid #e1e1e1;
}
.section h3 {
  margin: 0 0 80px;
  text-align: center;
  font-weight: 400;
  font-size: 28px;
  color: #555
}

/* .section-a {} */
.service-section-group {
  display: flex;
  gap: 40px;
}
.section-a .service-section {
  width: 30%;
  min-height: 240px;
  flex-grow: 1;
  padding: 30px 20px;
  border-radius: 8px;
  background: #fff;
}
.section-a .service-section h4 {
  font-size: 1.5em;
  color: #ff8c00;
  padding-bottom: 5px;
  margin: 0 0 25px;
}
.section-a .service-section ul {
  padding-left: 20px;
}
.section-a .service-section li {
  margin-bottom: 10px;
  color: #111
}
.section-a .service-section li::marker {
  color: #ccc;
}



/* .section-b {} */
.section-b .process {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin: 40px 0 80px;
  padding: 20px;
}
.section-b .process .step-item {
  padding: 0.1em 0.3em;
  border-radius: 8px;
  background-color: #fff;
  font-size: 36px;
  font-weight: bold;
  color: #ff8c00
}
.section-b .process .step-arrow {
  font-size: 18px;
  color: #aaa;
}
.section-b p {
  max-width: 740px;
  margin: 5px auto;
  line-height: 1.5em;
  font-size: 14px;
  text-align: center;
  color: #555;
}


/* .section-c {} */
.section-c img {
  display: block;
  width: 300px;
  margin: 0 auto;
}
.section-c  {
  text-align: center;
}

footer {
  background-color: #333;
  color: #ccc;
  text-align: center;
  font-size: 0.9em;
  padding: 20px 10px;
}
footer a {
  color: #ccc;
  text-decoration: none;
  margin: 0 5px;
}
footer a:hover {
  text-decoration: underline;
}